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@@ -1,182 +1,165 b'' | |||||
1 | # Standard library imports |
|
1 | # Standard library imports | |
2 | import re |
|
2 | import re | |
3 | from textwrap import dedent |
|
3 | from textwrap import dedent | |
4 |
|
4 | |||
5 | # System library imports |
|
5 | # System library imports | |
6 | from PyQt4 import QtCore, QtGui |
|
6 | from PyQt4 import QtCore, QtGui | |
7 |
|
7 | |||
8 |
|
8 | |||
9 | class CallTipWidget(QtGui.QLabel): |
|
9 | class CallTipWidget(QtGui.QLabel): | |
10 | """ Shows call tips by parsing the current text of Q[Plain]TextEdit. |
|
10 | """ Shows call tips by parsing the current text of Q[Plain]TextEdit. | |
11 | """ |
|
11 | """ | |
12 |
|
12 | |||
13 | #-------------------------------------------------------------------------- |
|
13 | #-------------------------------------------------------------------------- | |
14 | # 'QObject' interface |
|
14 | # 'QObject' interface | |
15 | #-------------------------------------------------------------------------- |
|
15 | #-------------------------------------------------------------------------- | |
16 |
|
16 | |||
17 | def __init__(self, parent): |
|
17 | def __init__(self, parent): | |
18 | """ Create a call tip manager that is attached to the specified Qt |
|
18 | """ Create a call tip manager that is attached to the specified Qt | |
19 | text edit widget. |
|
19 | text edit widget. | |
20 | """ |
|
20 | """ | |
21 | assert isinstance(parent, (QtGui.QTextEdit, QtGui.QPlainTextEdit)) |
|
21 | assert isinstance(parent, (QtGui.QTextEdit, QtGui.QPlainTextEdit)) | |
22 | QtGui.QLabel.__init__(self, parent, QtCore.Qt.ToolTip) |
|
22 | QtGui.QLabel.__init__(self, parent, QtCore.Qt.ToolTip) | |
23 |
|
23 | |||
24 | self.setFont(parent.document().defaultFont()) |
|
24 | self.setFont(parent.document().defaultFont()) | |
25 | self.setForegroundRole(QtGui.QPalette.ToolTipText) |
|
25 | self.setForegroundRole(QtGui.QPalette.ToolTipText) | |
26 | self.setBackgroundRole(QtGui.QPalette.ToolTipBase) |
|
26 | self.setBackgroundRole(QtGui.QPalette.ToolTipBase) | |
27 | self.setPalette(QtGui.QToolTip.palette()) |
|
27 | self.setPalette(QtGui.QToolTip.palette()) | |
28 |
|
28 | |||
29 | self.setAlignment(QtCore.Qt.AlignLeft) |
|
29 | self.setAlignment(QtCore.Qt.AlignLeft) | |
30 | self.setIndent(1) |
|
30 | self.setIndent(1) | |
31 | self.setFrameStyle(QtGui.QFrame.NoFrame) |
|
31 | self.setFrameStyle(QtGui.QFrame.NoFrame) | |
32 | self.setMargin(1 + self.style().pixelMetric( |
|
32 | self.setMargin(1 + self.style().pixelMetric( | |
33 | QtGui.QStyle.PM_ToolTipLabelFrameWidth, None, self)) |
|
33 | QtGui.QStyle.PM_ToolTipLabelFrameWidth, None, self)) | |
34 | self.setWindowOpacity(self.style().styleHint( |
|
34 | self.setWindowOpacity(self.style().styleHint( | |
35 | QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self) / 255.0) |
|
35 | QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self) / 255.0) | |
36 |
|
36 | |||
|
37 | def eventFilter(self, obj, event): | |||
|
38 | """ Reimplemented to hide on certain key presses and on parent focus | |||
|
39 | changes. | |||
|
40 | """ | |||
|
41 | if obj == self.parent(): | |||
|
42 | etype = event.type() | |||
|
43 | if (etype == QtCore.QEvent.KeyPress and | |||
|
44 | event.key() in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, | |||
|
45 | QtCore.Qt.Key_Escape)): | |||
|
46 | self.hide() | |||
|
47 | elif etype == QtCore.QEvent.FocusOut: | |||
|
48 | self.hide() | |||
|
49 | ||||
|
50 | return QtGui.QLabel.eventFilter(self, obj, event) | |||
|
51 | ||||
37 | #-------------------------------------------------------------------------- |
|
52 | #-------------------------------------------------------------------------- | |
38 | # 'QWidget' interface |
|
53 | # 'QWidget' interface | |
39 | #-------------------------------------------------------------------------- |
|
54 | #-------------------------------------------------------------------------- | |
40 |
|
55 | |||
41 | def hideEvent(self, event): |
|
56 | def hideEvent(self, event): | |
42 |
""" Reimplemented to disconnect |
|
57 | """ Reimplemented to disconnect signal handlers and event filter. | |
43 | """ |
|
58 | """ | |
44 | QtGui.QLabel.hideEvent(self, event) |
|
59 | QtGui.QLabel.hideEvent(self, event) | |
45 | self.parent().cursorPositionChanged.disconnect(self._update_tip) |
|
60 | parent = self.parent() | |
46 |
|
61 | parent.cursorPositionChanged.disconnect(self._cursor_position_changed) | ||
47 | def keyPressEvent(self, event): |
|
62 | parent.removeEventFilter(self) | |
48 | """ Reimplemented to hide on certain key presses. |
|
|||
49 | """ |
|
|||
50 | if event.key() in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, |
|
|||
51 | QtCore.Qt.Key_Escape): |
|
|||
52 | self.hide() |
|
|||
53 |
|
63 | |||
54 | def paintEvent(self, event): |
|
64 | def paintEvent(self, event): | |
55 | """ Reimplemented to paint the background panel. |
|
65 | """ Reimplemented to paint the background panel. | |
56 | """ |
|
66 | """ | |
57 | painter = QtGui.QStylePainter(self) |
|
67 | painter = QtGui.QStylePainter(self) | |
58 | option = QtGui.QStyleOptionFrame() |
|
68 | option = QtGui.QStyleOptionFrame() | |
59 | option.init(self) |
|
69 | option.init(self) | |
60 | painter.drawPrimitive(QtGui.QStyle.PE_PanelTipLabel, option) |
|
70 | painter.drawPrimitive(QtGui.QStyle.PE_PanelTipLabel, option) | |
61 | painter.end() |
|
71 | painter.end() | |
62 |
|
72 | |||
63 | QtGui.QLabel.paintEvent(self, event) |
|
73 | QtGui.QLabel.paintEvent(self, event) | |
64 |
|
74 | |||
65 | def showEvent(self, event): |
|
75 | def showEvent(self, event): | |
66 |
""" Reimplemented to connect |
|
76 | """ Reimplemented to connect signal handlers and event filter. | |
67 | """ |
|
77 | """ | |
68 | QtGui.QLabel.showEvent(self, event) |
|
78 | QtGui.QLabel.showEvent(self, event) | |
69 | self.parent().cursorPositionChanged.connect(self._update_tip) |
|
79 | parent = self.parent() | |
|
80 | parent.cursorPositionChanged.connect(self._cursor_position_changed) | |||
|
81 | parent.installEventFilter(self) | |||
70 |
|
82 | |||
71 | #-------------------------------------------------------------------------- |
|
83 | #-------------------------------------------------------------------------- | |
72 | # 'CallTipWidget' interface |
|
84 | # 'CallTipWidget' interface | |
73 | #-------------------------------------------------------------------------- |
|
85 | #-------------------------------------------------------------------------- | |
74 |
|
86 | |||
75 | def show_docstring(self, doc, maxlines=20): |
|
87 | def show_docstring(self, doc, maxlines=20): | |
76 | """ Attempts to show the specified docstring at the current cursor |
|
88 | """ Attempts to show the specified docstring at the current cursor | |
77 | location. The docstring is dedented and possibly truncated for |
|
89 | location. The docstring is dedented and possibly truncated for | |
78 | length. |
|
90 | length. | |
79 | """ |
|
91 | """ | |
80 | doc = dedent(doc.rstrip()).lstrip() |
|
92 | doc = dedent(doc.rstrip()).lstrip() | |
81 | match = re.match("(?:[^\n]*\n){%i}" % maxlines, doc) |
|
93 | match = re.match("(?:[^\n]*\n){%i}" % maxlines, doc) | |
82 | if match: |
|
94 | if match: | |
83 | doc = doc[:match.end()] + '\n[Documentation continues...]' |
|
95 | doc = doc[:match.end()] + '\n[Documentation continues...]' | |
84 | return self.show_tip(doc) |
|
96 | return self.show_tip(doc) | |
85 |
|
97 | |||
86 | def show_tip(self, tip): |
|
98 | def show_tip(self, tip): | |
87 | """ Attempts to show the specified tip at the current cursor location. |
|
99 | """ Attempts to show the specified tip at the current cursor location. | |
88 | """ |
|
100 | """ | |
89 | text_edit = self.parent() |
|
101 | text_edit = self.parent() | |
90 | document = text_edit.document() |
|
102 | document = text_edit.document() | |
91 | cursor = text_edit.textCursor() |
|
103 | cursor = text_edit.textCursor() | |
92 | search_pos = cursor.position() - 1 |
|
104 | search_pos = cursor.position() - 1 | |
93 | self._start_position, _ = self._find_parenthesis(search_pos, |
|
105 | self._start_position, _ = self._find_parenthesis(search_pos, | |
94 | forward=False) |
|
106 | forward=False) | |
95 | if self._start_position == -1: |
|
107 | if self._start_position == -1: | |
96 | return False |
|
108 | return False | |
97 |
|
109 | |||
98 | point = text_edit.cursorRect(cursor).bottomRight() |
|
110 | point = text_edit.cursorRect(cursor).bottomRight() | |
99 | point = text_edit.mapToGlobal(point) |
|
111 | point = text_edit.mapToGlobal(point) | |
100 | self.move(point) |
|
112 | self.move(point) | |
101 | self.setText(tip) |
|
113 | self.setText(tip) | |
102 | if self.isVisible(): |
|
114 | if self.isVisible(): | |
103 | self.resize(self.sizeHint()) |
|
115 | self.resize(self.sizeHint()) | |
104 | else: |
|
116 | else: | |
105 | self.show() |
|
117 | self.show() | |
106 | return True |
|
118 | return True | |
107 |
|
119 | |||
108 | #-------------------------------------------------------------------------- |
|
120 | #-------------------------------------------------------------------------- | |
109 | # Protected interface |
|
121 | # Protected interface | |
110 | #-------------------------------------------------------------------------- |
|
122 | #-------------------------------------------------------------------------- | |
111 |
|
123 | |||
112 | def _find_parenthesis(self, position, forward=True): |
|
124 | def _find_parenthesis(self, position, forward=True): | |
113 | """ If 'forward' is True (resp. False), proceed forwards |
|
125 | """ If 'forward' is True (resp. False), proceed forwards | |
114 | (resp. backwards) through the line that contains 'position' until an |
|
126 | (resp. backwards) through the line that contains 'position' until an | |
115 | unmatched closing (resp. opening) parenthesis is found. Returns a |
|
127 | unmatched closing (resp. opening) parenthesis is found. Returns a | |
116 | tuple containing the position of this parenthesis (or -1 if it is |
|
128 | tuple containing the position of this parenthesis (or -1 if it is | |
117 | not found) and the number commas (at depth 0) found along the way. |
|
129 | not found) and the number commas (at depth 0) found along the way. | |
118 | """ |
|
130 | """ | |
119 | commas = depth = 0 |
|
131 | commas = depth = 0 | |
120 | document = self.parent().document() |
|
132 | document = self.parent().document() | |
121 | qchar = document.characterAt(position) |
|
133 | qchar = document.characterAt(position) | |
122 | while (position > 0 and qchar.isPrint() and |
|
134 | while (position > 0 and qchar.isPrint() and | |
123 | # Need to check explicitly for line/paragraph separators: |
|
135 | # Need to check explicitly for line/paragraph separators: | |
124 | qchar.unicode() not in (0x2028, 0x2029)): |
|
136 | qchar.unicode() not in (0x2028, 0x2029)): | |
125 | char = qchar.toAscii() |
|
137 | char = qchar.toAscii() | |
126 | if char == ',' and depth == 0: |
|
138 | if char == ',' and depth == 0: | |
127 | commas += 1 |
|
139 | commas += 1 | |
128 | elif char == ')': |
|
140 | elif char == ')': | |
129 | if forward and depth == 0: |
|
141 | if forward and depth == 0: | |
130 | break |
|
142 | break | |
131 | depth += 1 |
|
143 | depth += 1 | |
132 | elif char == '(': |
|
144 | elif char == '(': | |
133 | if not forward and depth == 0: |
|
145 | if not forward and depth == 0: | |
134 | break |
|
146 | break | |
135 | depth -= 1 |
|
147 | depth -= 1 | |
136 | position += 1 if forward else -1 |
|
148 | position += 1 if forward else -1 | |
137 | qchar = document.characterAt(position) |
|
149 | qchar = document.characterAt(position) | |
138 | else: |
|
150 | else: | |
139 | position = -1 |
|
151 | position = -1 | |
140 | return position, commas |
|
152 | return position, commas | |
141 |
|
153 | |||
142 | def _highlight_tip(self, tip, current_argument): |
|
154 | #------ Signal handlers ---------------------------------------------------- | |
143 | """ Highlight the current argument (arguments start at 0), ending at the |
|
155 | ||
144 | next comma or unmatched closing parenthesis. |
|
156 | def _cursor_position_changed(self): | |
145 |
|
||||
146 | FIXME: This is an unreliable way to do things and it isn't being |
|
|||
147 | used right now. Instead, we should use inspect.getargspec |
|
|||
148 | metadata for this purpose. |
|
|||
149 | """ |
|
|||
150 | start = tip.find('(') |
|
|||
151 | if start != -1: |
|
|||
152 | for i in xrange(current_argument): |
|
|||
153 | start = tip.find(',', start) |
|
|||
154 | if start != -1: |
|
|||
155 | end = start + 1 |
|
|||
156 | while end < len(tip): |
|
|||
157 | char = tip[end] |
|
|||
158 | depth = 0 |
|
|||
159 | if (char == ',' and depth == 0): |
|
|||
160 | break |
|
|||
161 | elif char == '(': |
|
|||
162 | depth += 1 |
|
|||
163 | elif char == ')': |
|
|||
164 | if depth == 0: |
|
|||
165 | break |
|
|||
166 | depth -= 1 |
|
|||
167 | end += 1 |
|
|||
168 | tip = tip[:start+1] + '<font color="blue">' + \ |
|
|||
169 | tip[start+1:end] + '</font>' + tip[end:] |
|
|||
170 | tip = tip.replace('\n', '<br/>') |
|
|||
171 | return tip |
|
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172 |
|
||||
173 | def _update_tip(self): |
|
|||
174 | """ Updates the tip based on user cursor movement. |
|
157 | """ Updates the tip based on user cursor movement. | |
175 | """ |
|
158 | """ | |
176 | cursor = self.parent().textCursor() |
|
159 | cursor = self.parent().textCursor() | |
177 | if cursor.position() <= self._start_position: |
|
160 | if cursor.position() <= self._start_position: | |
178 | self.hide() |
|
161 | self.hide() | |
179 | else: |
|
162 | else: | |
180 | position, commas = self._find_parenthesis(self._start_position + 1) |
|
163 | position, commas = self._find_parenthesis(self._start_position + 1) | |
181 | if position != -1: |
|
164 | if position != -1: | |
182 | self.hide() |
|
165 | self.hide() |
@@ -1,124 +1,136 b'' | |||||
1 | # System library imports |
|
1 | # System library imports | |
2 | from PyQt4 import QtCore, QtGui |
|
2 | from PyQt4 import QtCore, QtGui | |
3 |
|
3 | |||
4 |
|
4 | |||
5 | class CompletionWidget(QtGui.QListWidget): |
|
5 | class CompletionWidget(QtGui.QListWidget): | |
6 | """ A widget for GUI tab completion. |
|
6 | """ A widget for GUI tab completion. | |
7 | """ |
|
7 | """ | |
8 |
|
8 | |||
9 | #-------------------------------------------------------------------------- |
|
9 | #-------------------------------------------------------------------------- | |
10 |
# 'Q |
|
10 | # 'QObject' interface | |
11 | #-------------------------------------------------------------------------- |
|
11 | #-------------------------------------------------------------------------- | |
12 |
|
12 | |||
13 | def __init__(self, parent): |
|
13 | def __init__(self, parent): | |
14 | """ Create a completion widget that is attached to the specified Qt |
|
14 | """ Create a completion widget that is attached to the specified Qt | |
15 | text edit widget. |
|
15 | text edit widget. | |
16 | """ |
|
16 | """ | |
17 | assert isinstance(parent, (QtGui.QTextEdit, QtGui.QPlainTextEdit)) |
|
17 | assert isinstance(parent, (QtGui.QTextEdit, QtGui.QPlainTextEdit)) | |
18 | QtGui.QListWidget.__init__(self, parent) |
|
18 | QtGui.QListWidget.__init__(self, parent) | |
19 |
|
19 | |||
20 | self.setWindowFlags(QtCore.Qt.ToolTip | QtCore.Qt.WindowStaysOnTopHint) |
|
20 | self.setWindowFlags(QtCore.Qt.ToolTip | QtCore.Qt.WindowStaysOnTopHint) | |
21 | self.setAttribute(QtCore.Qt.WA_StaticContents) |
|
21 | self.setAttribute(QtCore.Qt.WA_StaticContents) | |
22 |
|
22 | |||
23 | # Ensure that parent keeps focus when widget is displayed. |
|
23 | # Ensure that parent keeps focus when widget is displayed. | |
24 | self.setFocusProxy(parent) |
|
24 | self.setFocusProxy(parent) | |
25 |
|
25 | |||
26 | self.setFrameShadow(QtGui.QFrame.Plain) |
|
26 | self.setFrameShadow(QtGui.QFrame.Plain) | |
27 | self.setFrameShape(QtGui.QFrame.StyledPanel) |
|
27 | self.setFrameShape(QtGui.QFrame.StyledPanel) | |
28 |
|
28 | |||
29 | self.itemActivated.connect(self._complete_current) |
|
29 | self.itemActivated.connect(self._complete_current) | |
30 |
|
30 | |||
|
31 | def eventFilter(self, obj, event): | |||
|
32 | """ Reimplemented to handle keyboard input and to auto-hide when our | |||
|
33 | parent loses focus. | |||
|
34 | """ | |||
|
35 | if obj == self.parent(): | |||
|
36 | etype = event.type() | |||
|
37 | ||||
|
38 | if etype == QtCore.QEvent.KeyPress: | |||
|
39 | key, text = event.key(), event.text() | |||
|
40 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, | |||
|
41 | QtCore.Qt.Key_Tab): | |||
|
42 | self._complete_current() | |||
|
43 | return True | |||
|
44 | elif key == QtCore.Qt.Key_Escape: | |||
|
45 | self.hide() | |||
|
46 | return True | |||
|
47 | elif key in (QtCore.Qt.Key_Up, QtCore.Qt.Key_Down, | |||
|
48 | QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown, | |||
|
49 | QtCore.Qt.Key_Home, QtCore.Qt.Key_End): | |||
|
50 | QtGui.QListWidget.keyPressEvent(self, event) | |||
|
51 | return True | |||
|
52 | ||||
|
53 | elif etype == QtCore.QEvent.FocusOut: | |||
|
54 | self.hide() | |||
|
55 | ||||
|
56 | return QtGui.QListWidget.eventFilter(self, obj, event) | |||
|
57 | ||||
|
58 | #-------------------------------------------------------------------------- | |||
|
59 | # 'QWidget' interface | |||
|
60 | #-------------------------------------------------------------------------- | |||
|
61 | ||||
31 | def hideEvent(self, event): |
|
62 | def hideEvent(self, event): | |
32 |
""" Reimplemented to disconnect |
|
63 | """ Reimplemented to disconnect signal handlers and event filter. | |
33 | """ |
|
64 | """ | |
34 | QtGui.QListWidget.hideEvent(self, event) |
|
65 | QtGui.QListWidget.hideEvent(self, event) | |
|
66 | parent = self.parent() | |||
35 | try: |
|
67 | try: | |
36 |
|
|
68 | parent.cursorPositionChanged.disconnect(self._update_current) | |
37 | except TypeError: |
|
69 | except TypeError: | |
38 | pass |
|
70 | pass | |
39 |
|
71 | parent.removeEventFilter(self) | ||
40 | def keyPressEvent(self, event): |
|
|||
41 | """ Reimplemented to update the list. |
|
|||
42 | """ |
|
|||
43 | key, text = event.key(), event.text() |
|
|||
44 |
|
||||
45 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, |
|
|||
46 | QtCore.Qt.Key_Tab): |
|
|||
47 | self._complete_current() |
|
|||
48 | event.accept() |
|
|||
49 |
|
||||
50 | elif key == QtCore.Qt.Key_Escape: |
|
|||
51 | self.hide() |
|
|||
52 | event.accept() |
|
|||
53 |
|
||||
54 | elif key in (QtCore.Qt.Key_Up, QtCore.Qt.Key_Down, |
|
|||
55 | QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown, |
|
|||
56 | QtCore.Qt.Key_Home, QtCore.Qt.Key_End): |
|
|||
57 | QtGui.QListWidget.keyPressEvent(self, event) |
|
|||
58 | event.accept() |
|
|||
59 |
|
||||
60 | else: |
|
|||
61 | event.ignore() |
|
|||
62 |
|
72 | |||
63 | def showEvent(self, event): |
|
73 | def showEvent(self, event): | |
64 |
""" Reimplemented to connect |
|
74 | """ Reimplemented to connect signal handlers and event filter. | |
65 | """ |
|
75 | """ | |
66 | QtGui.QListWidget.showEvent(self, event) |
|
76 | QtGui.QListWidget.showEvent(self, event) | |
67 | self.parent().cursorPositionChanged.connect(self._update_current) |
|
77 | parent = self.parent() | |
|
78 | parent.cursorPositionChanged.connect(self._update_current) | |||
|
79 | parent.installEventFilter(self) | |||
68 |
|
80 | |||
69 | #-------------------------------------------------------------------------- |
|
81 | #-------------------------------------------------------------------------- | |
70 | # 'CompletionWidget' interface |
|
82 | # 'CompletionWidget' interface | |
71 | #-------------------------------------------------------------------------- |
|
83 | #-------------------------------------------------------------------------- | |
72 |
|
84 | |||
73 | def show_items(self, cursor, items): |
|
85 | def show_items(self, cursor, items): | |
74 | """ Shows the completion widget with 'items' at the position specified |
|
86 | """ Shows the completion widget with 'items' at the position specified | |
75 | by 'cursor'. |
|
87 | by 'cursor'. | |
76 | """ |
|
88 | """ | |
77 | text_edit = self.parent() |
|
89 | text_edit = self.parent() | |
78 | point = text_edit.cursorRect(cursor).bottomRight() |
|
90 | point = text_edit.cursorRect(cursor).bottomRight() | |
79 | point = text_edit.mapToGlobal(point) |
|
91 | point = text_edit.mapToGlobal(point) | |
80 | screen_rect = QtGui.QApplication.desktop().availableGeometry(self) |
|
92 | screen_rect = QtGui.QApplication.desktop().availableGeometry(self) | |
81 | if screen_rect.size().height() - point.y() - self.height() < 0: |
|
93 | if screen_rect.size().height() - point.y() - self.height() < 0: | |
82 | point = text_edit.mapToGlobal(text_edit.cursorRect().topRight()) |
|
94 | point = text_edit.mapToGlobal(text_edit.cursorRect().topRight()) | |
83 | point.setY(point.y() - self.height()) |
|
95 | point.setY(point.y() - self.height()) | |
84 | self.move(point) |
|
96 | self.move(point) | |
85 |
|
97 | |||
86 | self._start_position = cursor.position() |
|
98 | self._start_position = cursor.position() | |
87 | self.clear() |
|
99 | self.clear() | |
88 | self.addItems(items) |
|
100 | self.addItems(items) | |
89 | self.setCurrentRow(0) |
|
101 | self.setCurrentRow(0) | |
90 | self.show() |
|
102 | self.show() | |
91 |
|
103 | |||
92 | #-------------------------------------------------------------------------- |
|
104 | #-------------------------------------------------------------------------- | |
93 | # Protected interface |
|
105 | # Protected interface | |
94 | #-------------------------------------------------------------------------- |
|
106 | #-------------------------------------------------------------------------- | |
95 |
|
107 | |||
96 | def _complete_current(self): |
|
108 | def _complete_current(self): | |
97 | """ Perform the completion with the currently selected item. |
|
109 | """ Perform the completion with the currently selected item. | |
98 | """ |
|
110 | """ | |
99 | self._current_text_cursor().insertText(self.currentItem().text()) |
|
111 | self._current_text_cursor().insertText(self.currentItem().text()) | |
100 | self.hide() |
|
112 | self.hide() | |
101 |
|
113 | |||
102 | def _current_text_cursor(self): |
|
114 | def _current_text_cursor(self): | |
103 | """ Returns a cursor with text between the start position and the |
|
115 | """ Returns a cursor with text between the start position and the | |
104 | current position selected. |
|
116 | current position selected. | |
105 | """ |
|
117 | """ | |
106 | cursor = self.parent().textCursor() |
|
118 | cursor = self.parent().textCursor() | |
107 | if cursor.position() >= self._start_position: |
|
119 | if cursor.position() >= self._start_position: | |
108 | cursor.setPosition(self._start_position, |
|
120 | cursor.setPosition(self._start_position, | |
109 | QtGui.QTextCursor.KeepAnchor) |
|
121 | QtGui.QTextCursor.KeepAnchor) | |
110 | return cursor |
|
122 | return cursor | |
111 |
|
123 | |||
112 | def _update_current(self): |
|
124 | def _update_current(self): | |
113 | """ Updates the current item based on the current text. |
|
125 | """ Updates the current item based on the current text. | |
114 | """ |
|
126 | """ | |
115 | prefix = self._current_text_cursor().selection().toPlainText() |
|
127 | prefix = self._current_text_cursor().selection().toPlainText() | |
116 | if prefix: |
|
128 | if prefix: | |
117 | items = self.findItems(prefix, (QtCore.Qt.MatchStartsWith | |
|
129 | items = self.findItems(prefix, (QtCore.Qt.MatchStartsWith | | |
118 | QtCore.Qt.MatchCaseSensitive)) |
|
130 | QtCore.Qt.MatchCaseSensitive)) | |
119 | if items: |
|
131 | if items: | |
120 | self.setCurrentItem(items[0]) |
|
132 | self.setCurrentItem(items[0]) | |
121 | else: |
|
133 | else: | |
122 | self.hide() |
|
134 | self.hide() | |
123 | else: |
|
135 | else: | |
124 | self.hide() |
|
136 | self.hide() |
@@ -1,1047 +1,1049 b'' | |||||
1 | # Standard library imports |
|
1 | # Standard library imports | |
2 | import sys |
|
2 | import sys | |
3 |
|
3 | |||
4 | # System library imports |
|
4 | # System library imports | |
5 | from PyQt4 import QtCore, QtGui |
|
5 | from PyQt4 import QtCore, QtGui | |
6 |
|
6 | |||
7 | # Local imports |
|
7 | # Local imports | |
8 | from ansi_code_processor import QtAnsiCodeProcessor |
|
8 | from ansi_code_processor import QtAnsiCodeProcessor | |
9 | from completion_widget import CompletionWidget |
|
9 | from completion_widget import CompletionWidget | |
10 |
|
10 | |||
11 |
|
11 | |||
12 | class ConsoleWidget(QtGui.QWidget): |
|
12 | class ConsoleWidget(QtGui.QWidget): | |
13 | """ Base class for console-type widgets. This class is mainly concerned with |
|
13 | """ Base class for console-type widgets. This class is mainly concerned with | |
14 | dealing with the prompt, keeping the cursor inside the editing line, and |
|
14 | dealing with the prompt, keeping the cursor inside the editing line, and | |
15 | handling ANSI escape sequences. |
|
15 | handling ANSI escape sequences. | |
16 | """ |
|
16 | """ | |
17 |
|
17 | |||
18 | # Whether to process ANSI escape codes. |
|
18 | # Whether to process ANSI escape codes. | |
19 | ansi_codes = True |
|
19 | ansi_codes = True | |
20 |
|
20 | |||
21 | # The maximum number of lines of text before truncation. |
|
21 | # The maximum number of lines of text before truncation. | |
22 | buffer_size = 500 |
|
22 | buffer_size = 500 | |
23 |
|
23 | |||
24 | # Whether to use a CompletionWidget or plain text output for tab completion. |
|
24 | # Whether to use a CompletionWidget or plain text output for tab completion. | |
25 | gui_completion = True |
|
25 | gui_completion = True | |
26 |
|
26 | |||
27 | # Whether to override ShortcutEvents for the keybindings defined by this |
|
27 | # Whether to override ShortcutEvents for the keybindings defined by this | |
28 | # widget (Ctrl+n, Ctrl+a, etc). Enable this if you want this widget to take |
|
28 | # widget (Ctrl+n, Ctrl+a, etc). Enable this if you want this widget to take | |
29 | # priority (when it has focus) over, e.g., window-level menu shortcuts. |
|
29 | # priority (when it has focus) over, e.g., window-level menu shortcuts. | |
30 | override_shortcuts = False |
|
30 | override_shortcuts = False | |
31 |
|
31 | |||
32 | # Signals that indicate ConsoleWidget state. |
|
32 | # Signals that indicate ConsoleWidget state. | |
33 | copy_available = QtCore.pyqtSignal(bool) |
|
33 | copy_available = QtCore.pyqtSignal(bool) | |
34 | redo_available = QtCore.pyqtSignal(bool) |
|
34 | redo_available = QtCore.pyqtSignal(bool) | |
35 | undo_available = QtCore.pyqtSignal(bool) |
|
35 | undo_available = QtCore.pyqtSignal(bool) | |
36 |
|
36 | |||
37 | # Protected class variables. |
|
37 | # Protected class variables. | |
38 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, |
|
38 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, | |
39 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, |
|
39 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, | |
40 | QtCore.Qt.Key_A : QtCore.Qt.Key_Home, |
|
40 | QtCore.Qt.Key_A : QtCore.Qt.Key_Home, | |
41 | QtCore.Qt.Key_E : QtCore.Qt.Key_End, |
|
41 | QtCore.Qt.Key_E : QtCore.Qt.Key_End, | |
42 | QtCore.Qt.Key_P : QtCore.Qt.Key_Up, |
|
42 | QtCore.Qt.Key_P : QtCore.Qt.Key_Up, | |
43 | QtCore.Qt.Key_N : QtCore.Qt.Key_Down, |
|
43 | QtCore.Qt.Key_N : QtCore.Qt.Key_Down, | |
44 | QtCore.Qt.Key_D : QtCore.Qt.Key_Delete, } |
|
44 | QtCore.Qt.Key_D : QtCore.Qt.Key_Delete, } | |
45 | _shortcuts = set(_ctrl_down_remap.keys() + |
|
45 | _shortcuts = set(_ctrl_down_remap.keys() + | |
46 | [ QtCore.Qt.Key_C, QtCore.Qt.Key_V ]) |
|
46 | [ QtCore.Qt.Key_C, QtCore.Qt.Key_V ]) | |
47 |
|
47 | |||
48 | #--------------------------------------------------------------------------- |
|
48 | #--------------------------------------------------------------------------- | |
49 | # 'QObject' interface |
|
49 | # 'QObject' interface | |
50 | #--------------------------------------------------------------------------- |
|
50 | #--------------------------------------------------------------------------- | |
51 |
|
51 | |||
52 | def __init__(self, kind='plain', parent=None): |
|
52 | def __init__(self, kind='plain', parent=None): | |
53 | """ Create a ConsoleWidget. |
|
53 | """ Create a ConsoleWidget. | |
54 |
|
54 | |||
55 | Parameters |
|
55 | Parameters | |
56 | ---------- |
|
56 | ---------- | |
57 | kind : str, optional [default 'plain'] |
|
57 | kind : str, optional [default 'plain'] | |
58 | The type of text widget to use. Valid values are 'plain', which |
|
58 | The type of text widget to use. Valid values are 'plain', which | |
59 |
specifies a QPlainTextEdit, and 'rich', which specifies a |
|
59 | specifies a QPlainTextEdit, and 'rich', which specifies a QTextEdit. | |
60 | QTextEdit. |
|
|||
61 |
|
60 | |||
62 | parent : QWidget, optional [default None] |
|
61 | parent : QWidget, optional [default None] | |
63 | The parent for this widget. |
|
62 | The parent for this widget. | |
64 | """ |
|
63 | """ | |
65 | super(ConsoleWidget, self).__init__(parent) |
|
64 | super(ConsoleWidget, self).__init__(parent) | |
66 |
|
65 | |||
67 | # Create the underlying text widget. |
|
66 | # Create the underlying text widget. | |
68 | self._control = self._create_control(kind) |
|
67 | self._control = self._create_control(kind) | |
69 |
|
68 | |||
70 | # Initialize protected variables. Some variables contain useful state |
|
69 | # Initialize protected variables. Some variables contain useful state | |
71 | # information for subclasses; they should be considered read-only. |
|
70 | # information for subclasses; they should be considered read-only. | |
72 | self._ansi_processor = QtAnsiCodeProcessor() |
|
71 | self._ansi_processor = QtAnsiCodeProcessor() | |
73 | self._completion_widget = CompletionWidget(self._control) |
|
72 | self._completion_widget = CompletionWidget(self._control) | |
74 | self._continuation_prompt = '> ' |
|
73 | self._continuation_prompt = '> ' | |
75 | self._continuation_prompt_html = None |
|
74 | self._continuation_prompt_html = None | |
76 | self._executing = False |
|
75 | self._executing = False | |
77 | self._prompt = '' |
|
76 | self._prompt = '' | |
78 | self._prompt_html = None |
|
77 | self._prompt_html = None | |
79 | self._prompt_pos = 0 |
|
78 | self._prompt_pos = 0 | |
80 | self._reading = False |
|
79 | self._reading = False | |
81 | self._reading_callback = None |
|
80 | self._reading_callback = None | |
82 | self._tab_width = 8 |
|
81 | self._tab_width = 8 | |
83 |
|
82 | |||
84 | # Set a monospaced font. |
|
83 | # Set a monospaced font. | |
85 | self.reset_font() |
|
84 | self.reset_font() | |
86 |
|
85 | |||
87 | def eventFilter(self, obj, event): |
|
86 | def eventFilter(self, obj, event): | |
88 | """ Reimplemented to ensure a console-like behavior in the underlying |
|
87 | """ Reimplemented to ensure a console-like behavior in the underlying | |
89 | text widget. |
|
88 | text widget. | |
90 | """ |
|
89 | """ | |
91 | if obj == self._control: |
|
90 | if obj == self._control: | |
92 | etype = event.type() |
|
91 | etype = event.type() | |
93 |
|
92 | |||
94 | # Disable moving text by drag and drop. |
|
93 | # Disable moving text by drag and drop. | |
95 | if etype == QtCore.QEvent.DragMove: |
|
94 | if etype == QtCore.QEvent.DragMove: | |
96 | return True |
|
95 | return True | |
97 |
|
96 | |||
98 | elif etype == QtCore.QEvent.KeyPress: |
|
97 | elif etype == QtCore.QEvent.KeyPress: | |
99 | return self._event_filter_keypress(event) |
|
98 | return self._event_filter_keypress(event) | |
100 |
|
99 | |||
101 | # On Mac OS, it is always unnecessary to override shortcuts, hence |
|
100 | # On Mac OS, it is always unnecessary to override shortcuts, hence | |
102 | # the check below. Users should just use the Control key instead of |
|
101 | # the check below. Users should just use the Control key instead of | |
103 | # the Command key. |
|
102 | # the Command key. | |
104 | elif etype == QtCore.QEvent.ShortcutOverride: |
|
103 | elif etype == QtCore.QEvent.ShortcutOverride: | |
105 | if sys.platform != 'darwin' and \ |
|
104 | if sys.platform != 'darwin' and \ | |
106 | self._control_key_down(event.modifiers()) and \ |
|
105 | self._control_key_down(event.modifiers()) and \ | |
107 | event.key() in self._shortcuts: |
|
106 | event.key() in self._shortcuts: | |
108 | event.accept() |
|
107 | event.accept() | |
109 | return False |
|
108 | return False | |
110 |
|
109 | |||
111 | return super(ConsoleWidget, self).eventFilter(obj, event) |
|
110 | return super(ConsoleWidget, self).eventFilter(obj, event) | |
112 |
|
111 | |||
113 | #--------------------------------------------------------------------------- |
|
112 | #--------------------------------------------------------------------------- | |
114 | # 'ConsoleWidget' public interface |
|
113 | # 'ConsoleWidget' public interface | |
115 | #--------------------------------------------------------------------------- |
|
114 | #--------------------------------------------------------------------------- | |
116 |
|
115 | |||
117 | def clear(self, keep_input=False): |
|
116 | def clear(self, keep_input=False): | |
118 | """ Clear the console, then write a new prompt. If 'keep_input' is set, |
|
117 | """ Clear the console, then write a new prompt. If 'keep_input' is set, | |
119 | restores the old input buffer when the new prompt is written. |
|
118 | restores the old input buffer when the new prompt is written. | |
120 | """ |
|
119 | """ | |
121 | self._control.clear() |
|
120 | self._control.clear() | |
122 | if keep_input: |
|
121 | if keep_input: | |
123 | input_buffer = self.input_buffer |
|
122 | input_buffer = self.input_buffer | |
124 | self._show_prompt() |
|
123 | self._show_prompt() | |
125 | if keep_input: |
|
124 | if keep_input: | |
126 | self.input_buffer = input_buffer |
|
125 | self.input_buffer = input_buffer | |
127 |
|
126 | |||
128 | def copy(self): |
|
127 | def copy(self): | |
129 | """ Copy the current selected text to the clipboard. |
|
128 | """ Copy the current selected text to the clipboard. | |
130 | """ |
|
129 | """ | |
131 | self._control.copy() |
|
130 | self._control.copy() | |
132 |
|
131 | |||
133 | def execute(self, source=None, hidden=False, interactive=False): |
|
132 | def execute(self, source=None, hidden=False, interactive=False): | |
134 | """ Executes source or the input buffer, possibly prompting for more |
|
133 | """ Executes source or the input buffer, possibly prompting for more | |
135 | input. |
|
134 | input. | |
136 |
|
135 | |||
137 | Parameters: |
|
136 | Parameters: | |
138 | ----------- |
|
137 | ----------- | |
139 | source : str, optional |
|
138 | source : str, optional | |
140 |
|
139 | |||
141 | The source to execute. If not specified, the input buffer will be |
|
140 | The source to execute. If not specified, the input buffer will be | |
142 | used. If specified and 'hidden' is False, the input buffer will be |
|
141 | used. If specified and 'hidden' is False, the input buffer will be | |
143 | replaced with the source before execution. |
|
142 | replaced with the source before execution. | |
144 |
|
143 | |||
145 | hidden : bool, optional (default False) |
|
144 | hidden : bool, optional (default False) | |
146 |
|
145 | |||
147 | If set, no output will be shown and the prompt will not be modified. |
|
146 | If set, no output will be shown and the prompt will not be modified. | |
148 | In other words, it will be completely invisible to the user that |
|
147 | In other words, it will be completely invisible to the user that | |
149 | an execution has occurred. |
|
148 | an execution has occurred. | |
150 |
|
149 | |||
151 | interactive : bool, optional (default False) |
|
150 | interactive : bool, optional (default False) | |
152 |
|
151 | |||
153 | Whether the console is to treat the source as having been manually |
|
152 | Whether the console is to treat the source as having been manually | |
154 | entered by the user. The effect of this parameter depends on the |
|
153 | entered by the user. The effect of this parameter depends on the | |
155 | subclass implementation. |
|
154 | subclass implementation. | |
156 |
|
155 | |||
157 | Raises: |
|
156 | Raises: | |
158 | ------- |
|
157 | ------- | |
159 | RuntimeError |
|
158 | RuntimeError | |
160 | If incomplete input is given and 'hidden' is True. In this case, |
|
159 | If incomplete input is given and 'hidden' is True. In this case, | |
161 | it not possible to prompt for more input. |
|
160 | it not possible to prompt for more input. | |
162 |
|
161 | |||
163 | Returns: |
|
162 | Returns: | |
164 | -------- |
|
163 | -------- | |
165 | A boolean indicating whether the source was executed. |
|
164 | A boolean indicating whether the source was executed. | |
166 | """ |
|
165 | """ | |
167 | if not hidden: |
|
166 | if not hidden: | |
168 | if source is not None: |
|
167 | if source is not None: | |
169 | self.input_buffer = source |
|
168 | self.input_buffer = source | |
170 |
|
169 | |||
171 | self._append_plain_text('\n') |
|
170 | self._append_plain_text('\n') | |
172 | self._executing_input_buffer = self.input_buffer |
|
171 | self._executing_input_buffer = self.input_buffer | |
173 | self._executing = True |
|
172 | self._executing = True | |
174 | self._prompt_finished() |
|
173 | self._prompt_finished() | |
175 |
|
174 | |||
176 | real_source = self.input_buffer if source is None else source |
|
175 | real_source = self.input_buffer if source is None else source | |
177 | complete = self._is_complete(real_source, interactive) |
|
176 | complete = self._is_complete(real_source, interactive) | |
178 | if complete: |
|
177 | if complete: | |
179 | if not hidden: |
|
178 | if not hidden: | |
180 | # The maximum block count is only in effect during execution. |
|
179 | # The maximum block count is only in effect during execution. | |
181 | # This ensures that _prompt_pos does not become invalid due to |
|
180 | # This ensures that _prompt_pos does not become invalid due to | |
182 | # text truncation. |
|
181 | # text truncation. | |
183 | self._control.document().setMaximumBlockCount(self.buffer_size) |
|
182 | self._control.document().setMaximumBlockCount(self.buffer_size) | |
184 | self._execute(real_source, hidden) |
|
183 | self._execute(real_source, hidden) | |
185 | elif hidden: |
|
184 | elif hidden: | |
186 | raise RuntimeError('Incomplete noninteractive input: "%s"' % source) |
|
185 | raise RuntimeError('Incomplete noninteractive input: "%s"' % source) | |
187 | else: |
|
186 | else: | |
188 | self._show_continuation_prompt() |
|
187 | self._show_continuation_prompt() | |
189 |
|
188 | |||
190 | return complete |
|
189 | return complete | |
191 |
|
190 | |||
192 | def _get_input_buffer(self): |
|
191 | def _get_input_buffer(self): | |
193 | """ The text that the user has entered entered at the current prompt. |
|
192 | """ The text that the user has entered entered at the current prompt. | |
194 | """ |
|
193 | """ | |
195 | # If we're executing, the input buffer may not even exist anymore due to |
|
194 | # If we're executing, the input buffer may not even exist anymore due to | |
196 | # the limit imposed by 'buffer_size'. Therefore, we store it. |
|
195 | # the limit imposed by 'buffer_size'. Therefore, we store it. | |
197 | if self._executing: |
|
196 | if self._executing: | |
198 | return self._executing_input_buffer |
|
197 | return self._executing_input_buffer | |
199 |
|
198 | |||
200 | cursor = self._get_end_cursor() |
|
199 | cursor = self._get_end_cursor() | |
201 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) |
|
200 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) | |
202 | input_buffer = str(cursor.selection().toPlainText()) |
|
201 | input_buffer = str(cursor.selection().toPlainText()) | |
203 |
|
202 | |||
204 | # Strip out continuation prompts. |
|
203 | # Strip out continuation prompts. | |
205 | return input_buffer.replace('\n' + self._continuation_prompt, '\n') |
|
204 | return input_buffer.replace('\n' + self._continuation_prompt, '\n') | |
206 |
|
205 | |||
207 | def _set_input_buffer(self, string): |
|
206 | def _set_input_buffer(self, string): | |
208 | """ Replaces the text in the input buffer with 'string'. |
|
207 | """ Replaces the text in the input buffer with 'string'. | |
209 | """ |
|
208 | """ | |
210 | # Remove old text. |
|
209 | # Remove old text. | |
211 | cursor = self._get_end_cursor() |
|
210 | cursor = self._get_end_cursor() | |
212 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) |
|
211 | cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor) | |
213 | cursor.removeSelectedText() |
|
212 | cursor.removeSelectedText() | |
214 |
|
213 | |||
215 | # Insert new text with continuation prompts. |
|
214 | # Insert new text with continuation prompts. | |
216 | lines = string.splitlines(True) |
|
215 | lines = string.splitlines(True) | |
217 | if lines: |
|
216 | if lines: | |
218 | self._append_plain_text(lines[0]) |
|
217 | self._append_plain_text(lines[0]) | |
219 | for i in xrange(1, len(lines)): |
|
218 | for i in xrange(1, len(lines)): | |
220 | if self._continuation_prompt_html is None: |
|
219 | if self._continuation_prompt_html is None: | |
221 | self._append_plain_text(self._continuation_prompt) |
|
220 | self._append_plain_text(self._continuation_prompt) | |
222 | else: |
|
221 | else: | |
223 | self._append_html(self._continuation_prompt_html) |
|
222 | self._append_html(self._continuation_prompt_html) | |
224 | self._append_plain_text(lines[i]) |
|
223 | self._append_plain_text(lines[i]) | |
225 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
224 | self._control.moveCursor(QtGui.QTextCursor.End) | |
226 |
|
225 | |||
227 | input_buffer = property(_get_input_buffer, _set_input_buffer) |
|
226 | input_buffer = property(_get_input_buffer, _set_input_buffer) | |
228 |
|
227 | |||
229 | def _get_input_buffer_cursor_line(self): |
|
228 | def _get_input_buffer_cursor_line(self): | |
230 | """ The text in the line of the input buffer in which the user's cursor |
|
229 | """ The text in the line of the input buffer in which the user's cursor | |
231 | rests. Returns a string if there is such a line; otherwise, None. |
|
230 | rests. Returns a string if there is such a line; otherwise, None. | |
232 | """ |
|
231 | """ | |
233 | if self._executing: |
|
232 | if self._executing: | |
234 | return None |
|
233 | return None | |
235 | cursor = self._control.textCursor() |
|
234 | cursor = self._control.textCursor() | |
236 | if cursor.position() >= self._prompt_pos: |
|
235 | if cursor.position() >= self._prompt_pos: | |
237 | text = self._get_block_plain_text(cursor.block()) |
|
236 | text = self._get_block_plain_text(cursor.block()) | |
238 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): |
|
237 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): | |
239 | return text[len(self._prompt):] |
|
238 | return text[len(self._prompt):] | |
240 | else: |
|
239 | else: | |
241 | return text[len(self._continuation_prompt):] |
|
240 | return text[len(self._continuation_prompt):] | |
242 | else: |
|
241 | else: | |
243 | return None |
|
242 | return None | |
244 |
|
243 | |||
245 | input_buffer_cursor_line = property(_get_input_buffer_cursor_line) |
|
244 | input_buffer_cursor_line = property(_get_input_buffer_cursor_line) | |
246 |
|
245 | |||
247 | def _get_font(self): |
|
246 | def _get_font(self): | |
248 | """ The base font being used by the ConsoleWidget. |
|
247 | """ The base font being used by the ConsoleWidget. | |
249 | """ |
|
248 | """ | |
250 | return self._control.document().defaultFont() |
|
249 | return self._control.document().defaultFont() | |
251 |
|
250 | |||
252 | def _set_font(self, font): |
|
251 | def _set_font(self, font): | |
253 | """ Sets the base font for the ConsoleWidget to the specified QFont. |
|
252 | """ Sets the base font for the ConsoleWidget to the specified QFont. | |
254 | """ |
|
253 | """ | |
255 | font_metrics = QtGui.QFontMetrics(font) |
|
254 | font_metrics = QtGui.QFontMetrics(font) | |
256 | self._control.setTabStopWidth(self.tab_width * font_metrics.width(' ')) |
|
255 | self._control.setTabStopWidth(self.tab_width * font_metrics.width(' ')) | |
257 |
|
256 | |||
258 | self._completion_widget.setFont(font) |
|
257 | self._completion_widget.setFont(font) | |
259 | self._control.document().setDefaultFont(font) |
|
258 | self._control.document().setDefaultFont(font) | |
260 |
|
259 | |||
261 | font = property(_get_font, _set_font) |
|
260 | font = property(_get_font, _set_font) | |
262 |
|
261 | |||
263 | def paste(self): |
|
262 | def paste(self): | |
264 | """ Paste the contents of the clipboard into the input region. |
|
263 | """ Paste the contents of the clipboard into the input region. | |
265 | """ |
|
264 | """ | |
266 | self._keep_cursor_in_buffer() |
|
265 | self._keep_cursor_in_buffer() | |
267 | self._control.paste() |
|
266 | self._control.paste() | |
268 |
|
267 | |||
269 | def print_(self, printer): |
|
268 | def print_(self, printer): | |
270 | """ Print the contents of the ConsoleWidget to the specified QPrinter. |
|
269 | """ Print the contents of the ConsoleWidget to the specified QPrinter. | |
271 | """ |
|
270 | """ | |
272 | self._control.print_(printer) |
|
271 | self._control.print_(printer) | |
273 |
|
272 | |||
274 | def redo(self): |
|
273 | def redo(self): | |
275 | """ Redo the last operation. If there is no operation to redo, nothing |
|
274 | """ Redo the last operation. If there is no operation to redo, nothing | |
276 | happens. |
|
275 | happens. | |
277 | """ |
|
276 | """ | |
278 | self._control.redo() |
|
277 | self._control.redo() | |
279 |
|
278 | |||
280 | def reset_font(self): |
|
279 | def reset_font(self): | |
281 | """ Sets the font to the default fixed-width font for this platform. |
|
280 | """ Sets the font to the default fixed-width font for this platform. | |
282 | """ |
|
281 | """ | |
283 | if sys.platform == 'win32': |
|
282 | if sys.platform == 'win32': | |
284 | name = 'Courier' |
|
283 | name = 'Courier' | |
285 | elif sys.platform == 'darwin': |
|
284 | elif sys.platform == 'darwin': | |
286 | name = 'Monaco' |
|
285 | name = 'Monaco' | |
287 | else: |
|
286 | else: | |
288 | name = 'Monospace' |
|
287 | name = 'Monospace' | |
289 | font = QtGui.QFont(name, QtGui.qApp.font().pointSize()) |
|
288 | font = QtGui.QFont(name, QtGui.qApp.font().pointSize()) | |
290 | font.setStyleHint(QtGui.QFont.TypeWriter) |
|
289 | font.setStyleHint(QtGui.QFont.TypeWriter) | |
291 | self._set_font(font) |
|
290 | self._set_font(font) | |
292 |
|
291 | |||
293 | def select_all(self): |
|
292 | def select_all(self): | |
294 | """ Selects all the text in the buffer. |
|
293 | """ Selects all the text in the buffer. | |
295 | """ |
|
294 | """ | |
296 | self._control.selectAll() |
|
295 | self._control.selectAll() | |
297 |
|
296 | |||
298 | def _get_tab_width(self): |
|
297 | def _get_tab_width(self): | |
299 | """ The width (in terms of space characters) for tab characters. |
|
298 | """ The width (in terms of space characters) for tab characters. | |
300 | """ |
|
299 | """ | |
301 | return self._tab_width |
|
300 | return self._tab_width | |
302 |
|
301 | |||
303 | def _set_tab_width(self, tab_width): |
|
302 | def _set_tab_width(self, tab_width): | |
304 | """ Sets the width (in terms of space characters) for tab characters. |
|
303 | """ Sets the width (in terms of space characters) for tab characters. | |
305 | """ |
|
304 | """ | |
306 | font_metrics = QtGui.QFontMetrics(self.font) |
|
305 | font_metrics = QtGui.QFontMetrics(self.font) | |
307 | self._control.setTabStopWidth(tab_width * font_metrics.width(' ')) |
|
306 | self._control.setTabStopWidth(tab_width * font_metrics.width(' ')) | |
308 |
|
307 | |||
309 | self._tab_width = tab_width |
|
308 | self._tab_width = tab_width | |
310 |
|
309 | |||
311 | tab_width = property(_get_tab_width, _set_tab_width) |
|
310 | tab_width = property(_get_tab_width, _set_tab_width) | |
312 |
|
311 | |||
313 | def undo(self): |
|
312 | def undo(self): | |
314 | """ Undo the last operation. If there is no operation to undo, nothing |
|
313 | """ Undo the last operation. If there is no operation to undo, nothing | |
315 | happens. |
|
314 | happens. | |
316 | """ |
|
315 | """ | |
317 | self._control.undo() |
|
316 | self._control.undo() | |
318 |
|
317 | |||
319 | #--------------------------------------------------------------------------- |
|
318 | #--------------------------------------------------------------------------- | |
320 | # 'ConsoleWidget' abstract interface |
|
319 | # 'ConsoleWidget' abstract interface | |
321 | #--------------------------------------------------------------------------- |
|
320 | #--------------------------------------------------------------------------- | |
322 |
|
321 | |||
323 | def _is_complete(self, source, interactive): |
|
322 | def _is_complete(self, source, interactive): | |
324 | """ Returns whether 'source' can be executed. When triggered by an |
|
323 | """ Returns whether 'source' can be executed. When triggered by an | |
325 | Enter/Return key press, 'interactive' is True; otherwise, it is |
|
324 | Enter/Return key press, 'interactive' is True; otherwise, it is | |
326 | False. |
|
325 | False. | |
327 | """ |
|
326 | """ | |
328 | raise NotImplementedError |
|
327 | raise NotImplementedError | |
329 |
|
328 | |||
330 | def _execute(self, source, hidden): |
|
329 | def _execute(self, source, hidden): | |
331 | """ Execute 'source'. If 'hidden', do not show any output. |
|
330 | """ Execute 'source'. If 'hidden', do not show any output. | |
332 | """ |
|
331 | """ | |
333 | raise NotImplementedError |
|
332 | raise NotImplementedError | |
334 |
|
333 | |||
|
334 | def _execute_interrupt(self): | |||
|
335 | """ Attempts to stop execution. Returns whether this method has an | |||
|
336 | implementation. | |||
|
337 | """ | |||
|
338 | return False | |||
|
339 | ||||
335 | def _prompt_started_hook(self): |
|
340 | def _prompt_started_hook(self): | |
336 | """ Called immediately after a new prompt is displayed. |
|
341 | """ Called immediately after a new prompt is displayed. | |
337 | """ |
|
342 | """ | |
338 | pass |
|
343 | pass | |
339 |
|
344 | |||
340 | def _prompt_finished_hook(self): |
|
345 | def _prompt_finished_hook(self): | |
341 | """ Called immediately after a prompt is finished, i.e. when some input |
|
346 | """ Called immediately after a prompt is finished, i.e. when some input | |
342 | will be processed and a new prompt displayed. |
|
347 | will be processed and a new prompt displayed. | |
343 | """ |
|
348 | """ | |
344 | pass |
|
349 | pass | |
345 |
|
350 | |||
346 | def _up_pressed(self): |
|
351 | def _up_pressed(self): | |
347 | """ Called when the up key is pressed. Returns whether to continue |
|
352 | """ Called when the up key is pressed. Returns whether to continue | |
348 | processing the event. |
|
353 | processing the event. | |
349 | """ |
|
354 | """ | |
350 | return True |
|
355 | return True | |
351 |
|
356 | |||
352 | def _down_pressed(self): |
|
357 | def _down_pressed(self): | |
353 | """ Called when the down key is pressed. Returns whether to continue |
|
358 | """ Called when the down key is pressed. Returns whether to continue | |
354 | processing the event. |
|
359 | processing the event. | |
355 | """ |
|
360 | """ | |
356 | return True |
|
361 | return True | |
357 |
|
362 | |||
358 | def _tab_pressed(self): |
|
363 | def _tab_pressed(self): | |
359 | """ Called when the tab key is pressed. Returns whether to continue |
|
364 | """ Called when the tab key is pressed. Returns whether to continue | |
360 | processing the event. |
|
365 | processing the event. | |
361 | """ |
|
366 | """ | |
362 | return False |
|
367 | return False | |
363 |
|
368 | |||
364 | #-------------------------------------------------------------------------- |
|
369 | #-------------------------------------------------------------------------- | |
365 | # 'ConsoleWidget' protected interface |
|
370 | # 'ConsoleWidget' protected interface | |
366 | #-------------------------------------------------------------------------- |
|
371 | #-------------------------------------------------------------------------- | |
367 |
|
372 | |||
368 | def _append_html(self, html): |
|
373 | def _append_html(self, html): | |
369 | """ Appends html at the end of the console buffer. |
|
374 | """ Appends html at the end of the console buffer. | |
370 | """ |
|
375 | """ | |
371 | cursor = self._get_end_cursor() |
|
376 | cursor = self._get_end_cursor() | |
372 | self._insert_html(cursor, html) |
|
377 | self._insert_html(cursor, html) | |
373 |
|
378 | |||
374 | def _append_html_fetching_plain_text(self, html): |
|
379 | def _append_html_fetching_plain_text(self, html): | |
375 | """ Appends 'html', then returns the plain text version of it. |
|
380 | """ Appends 'html', then returns the plain text version of it. | |
376 | """ |
|
381 | """ | |
377 | anchor = self._get_end_cursor().position() |
|
382 | anchor = self._get_end_cursor().position() | |
378 | self._append_html(html) |
|
383 | self._append_html(html) | |
379 | cursor = self._get_end_cursor() |
|
384 | cursor = self._get_end_cursor() | |
380 | cursor.setPosition(anchor, QtGui.QTextCursor.KeepAnchor) |
|
385 | cursor.setPosition(anchor, QtGui.QTextCursor.KeepAnchor) | |
381 | return str(cursor.selection().toPlainText()) |
|
386 | return str(cursor.selection().toPlainText()) | |
382 |
|
387 | |||
383 | def _append_plain_text(self, text): |
|
388 | def _append_plain_text(self, text): | |
384 | """ Appends plain text at the end of the console buffer, processing |
|
389 | """ Appends plain text at the end of the console buffer, processing | |
385 | ANSI codes if enabled. |
|
390 | ANSI codes if enabled. | |
386 | """ |
|
391 | """ | |
387 | cursor = self._get_end_cursor() |
|
392 | cursor = self._get_end_cursor() | |
388 | if self.ansi_codes: |
|
393 | if self.ansi_codes: | |
389 | for substring in self._ansi_processor.split_string(text): |
|
394 | for substring in self._ansi_processor.split_string(text): | |
390 | format = self._ansi_processor.get_format() |
|
395 | format = self._ansi_processor.get_format() | |
391 | cursor.insertText(substring, format) |
|
396 | cursor.insertText(substring, format) | |
392 | else: |
|
397 | else: | |
393 | cursor.insertText(text) |
|
398 | cursor.insertText(text) | |
394 |
|
399 | |||
395 | def _append_plain_text_keeping_prompt(self, text): |
|
400 | def _append_plain_text_keeping_prompt(self, text): | |
396 | """ Writes 'text' after the current prompt, then restores the old prompt |
|
401 | """ Writes 'text' after the current prompt, then restores the old prompt | |
397 | with its old input buffer. |
|
402 | with its old input buffer. | |
398 | """ |
|
403 | """ | |
399 | input_buffer = self.input_buffer |
|
404 | input_buffer = self.input_buffer | |
400 | self._append_plain_text('\n') |
|
405 | self._append_plain_text('\n') | |
401 | self._prompt_finished() |
|
406 | self._prompt_finished() | |
402 |
|
407 | |||
403 | self._append_plain_text(text) |
|
408 | self._append_plain_text(text) | |
404 | self._show_prompt() |
|
409 | self._show_prompt() | |
405 | self.input_buffer = input_buffer |
|
410 | self.input_buffer = input_buffer | |
406 |
|
411 | |||
407 | def _complete_with_items(self, cursor, items): |
|
412 | def _complete_with_items(self, cursor, items): | |
408 | """ Performs completion with 'items' at the specified cursor location. |
|
413 | """ Performs completion with 'items' at the specified cursor location. | |
409 | """ |
|
414 | """ | |
410 | if len(items) == 1: |
|
415 | if len(items) == 1: | |
411 | cursor.setPosition(self._control.textCursor().position(), |
|
416 | cursor.setPosition(self._control.textCursor().position(), | |
412 | QtGui.QTextCursor.KeepAnchor) |
|
417 | QtGui.QTextCursor.KeepAnchor) | |
413 | cursor.insertText(items[0]) |
|
418 | cursor.insertText(items[0]) | |
414 | elif len(items) > 1: |
|
419 | elif len(items) > 1: | |
415 | if self.gui_completion: |
|
420 | if self.gui_completion: | |
416 | self._completion_widget.show_items(cursor, items) |
|
421 | self._completion_widget.show_items(cursor, items) | |
417 | else: |
|
422 | else: | |
418 | text = self._format_as_columns(items) |
|
423 | text = self._format_as_columns(items) | |
419 | self._append_plain_text_keeping_prompt(text) |
|
424 | self._append_plain_text_keeping_prompt(text) | |
420 |
|
425 | |||
421 | def _control_key_down(self, modifiers): |
|
426 | def _control_key_down(self, modifiers): | |
422 | """ Given a KeyboardModifiers flags object, return whether the Control |
|
427 | """ Given a KeyboardModifiers flags object, return whether the Control | |
423 | key is down (on Mac OS, treat the Command key as a synonym for |
|
428 | key is down (on Mac OS, treat the Command key as a synonym for | |
424 | Control). |
|
429 | Control). | |
425 | """ |
|
430 | """ | |
426 | down = bool(modifiers & QtCore.Qt.ControlModifier) |
|
431 | down = bool(modifiers & QtCore.Qt.ControlModifier) | |
427 |
|
432 | |||
428 | # Note: on Mac OS, ControlModifier corresponds to the Command key while |
|
433 | # Note: on Mac OS, ControlModifier corresponds to the Command key while | |
429 | # MetaModifier corresponds to the Control key. |
|
434 | # MetaModifier corresponds to the Control key. | |
430 | if sys.platform == 'darwin': |
|
435 | if sys.platform == 'darwin': | |
431 | down = down ^ bool(modifiers & QtCore.Qt.MetaModifier) |
|
436 | down = down ^ bool(modifiers & QtCore.Qt.MetaModifier) | |
432 |
|
437 | |||
433 | return down |
|
438 | return down | |
434 |
|
439 | |||
435 | def _create_control(self, kind): |
|
440 | def _create_control(self, kind): | |
436 | """ Creates and sets the underlying text widget. |
|
441 | """ Creates and sets the underlying text widget. | |
437 | """ |
|
442 | """ | |
438 | layout = QtGui.QVBoxLayout(self) |
|
443 | layout = QtGui.QVBoxLayout(self) | |
439 | layout.setMargin(0) |
|
444 | layout.setMargin(0) | |
440 | if kind == 'plain': |
|
445 | if kind == 'plain': | |
441 | control = QtGui.QPlainTextEdit() |
|
446 | control = QtGui.QPlainTextEdit() | |
442 | elif kind == 'rich': |
|
447 | elif kind == 'rich': | |
443 | control = QtGui.QTextEdit() |
|
448 | control = QtGui.QTextEdit() | |
444 | else: |
|
449 | else: | |
445 | raise ValueError("Kind %s unknown." % repr(kind)) |
|
450 | raise ValueError("Kind %s unknown." % repr(kind)) | |
446 | layout.addWidget(control) |
|
451 | layout.addWidget(control) | |
447 |
|
452 | |||
448 | control.installEventFilter(self) |
|
453 | control.installEventFilter(self) | |
449 | control.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) |
|
454 | control.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) | |
450 | control.customContextMenuRequested.connect(self._show_context_menu) |
|
455 | control.customContextMenuRequested.connect(self._show_context_menu) | |
451 | control.copyAvailable.connect(self.copy_available) |
|
456 | control.copyAvailable.connect(self.copy_available) | |
452 | control.redoAvailable.connect(self.redo_available) |
|
457 | control.redoAvailable.connect(self.redo_available) | |
453 | control.undoAvailable.connect(self.undo_available) |
|
458 | control.undoAvailable.connect(self.undo_available) | |
454 |
|
459 | |||
455 | return control |
|
460 | return control | |
456 |
|
461 | |||
457 | def _event_filter_keypress(self, event): |
|
462 | def _event_filter_keypress(self, event): | |
458 | """ Filter key events for the underlying text widget to create a |
|
463 | """ Filter key events for the underlying text widget to create a | |
459 | console-like interface. |
|
464 | console-like interface. | |
460 | """ |
|
465 | """ | |
461 | key = event.key() |
|
466 | key = event.key() | |
462 | ctrl_down = self._control_key_down(event.modifiers()) |
|
467 | ctrl_down = self._control_key_down(event.modifiers()) | |
463 |
|
468 | |||
464 | # If the key is remapped, return immediately. |
|
469 | # If the key is remapped, return immediately. | |
465 | if ctrl_down and key in self._ctrl_down_remap: |
|
470 | if ctrl_down and key in self._ctrl_down_remap: | |
466 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, |
|
471 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |
467 | self._ctrl_down_remap[key], |
|
472 | self._ctrl_down_remap[key], | |
468 | QtCore.Qt.NoModifier) |
|
473 | QtCore.Qt.NoModifier) | |
469 | QtGui.qApp.sendEvent(self._control, new_event) |
|
474 | QtGui.qApp.sendEvent(self._control, new_event) | |
470 | return True |
|
475 | return True | |
471 |
|
476 | |||
472 | # If the completion widget accepts the key press, return immediately. |
|
|||
473 | if self._completion_widget.isVisible(): |
|
|||
474 | self._completion_widget.keyPressEvent(event) |
|
|||
475 | if event.isAccepted(): |
|
|||
476 | return True |
|
|||
477 |
|
||||
478 | # Otherwise, proceed normally and do not return early. |
|
477 | # Otherwise, proceed normally and do not return early. | |
479 | intercepted = False |
|
478 | intercepted = False | |
480 | cursor = self._control.textCursor() |
|
479 | cursor = self._control.textCursor() | |
481 | position = cursor.position() |
|
480 | position = cursor.position() | |
482 | alt_down = event.modifiers() & QtCore.Qt.AltModifier |
|
481 | alt_down = event.modifiers() & QtCore.Qt.AltModifier | |
483 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier |
|
482 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier | |
484 |
|
483 | |||
485 | if event.matches(QtGui.QKeySequence.Paste): |
|
484 | if event.matches(QtGui.QKeySequence.Paste): | |
486 | # Call our paste instead of the underlying text widget's. |
|
485 | # Call our paste instead of the underlying text widget's. | |
487 | self.paste() |
|
486 | self.paste() | |
488 | intercepted = True |
|
487 | intercepted = True | |
489 |
|
488 | |||
490 | elif ctrl_down: |
|
489 | elif ctrl_down: | |
491 |
if key == QtCore.Qt.Key_ |
|
490 | if key == QtCore.Qt.Key_C and self._executing: | |
|
491 | intercepted = self._execute_interrupt() | |||
|
492 | ||||
|
493 | elif key == QtCore.Qt.Key_K: | |||
492 | if self._in_buffer(position): |
|
494 | if self._in_buffer(position): | |
493 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, |
|
495 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, | |
494 | QtGui.QTextCursor.KeepAnchor) |
|
496 | QtGui.QTextCursor.KeepAnchor) | |
495 | cursor.removeSelectedText() |
|
497 | cursor.removeSelectedText() | |
496 | intercepted = True |
|
498 | intercepted = True | |
497 |
|
499 | |||
498 | elif key == QtCore.Qt.Key_X: |
|
500 | elif key == QtCore.Qt.Key_X: | |
499 | intercepted = True |
|
501 | intercepted = True | |
500 |
|
502 | |||
501 | elif key == QtCore.Qt.Key_Y: |
|
503 | elif key == QtCore.Qt.Key_Y: | |
502 | self.paste() |
|
504 | self.paste() | |
503 | intercepted = True |
|
505 | intercepted = True | |
504 |
|
506 | |||
505 | elif alt_down: |
|
507 | elif alt_down: | |
506 | if key == QtCore.Qt.Key_B: |
|
508 | if key == QtCore.Qt.Key_B: | |
507 | self._set_cursor(self._get_word_start_cursor(position)) |
|
509 | self._set_cursor(self._get_word_start_cursor(position)) | |
508 | intercepted = True |
|
510 | intercepted = True | |
509 |
|
511 | |||
510 | elif key == QtCore.Qt.Key_F: |
|
512 | elif key == QtCore.Qt.Key_F: | |
511 | self._set_cursor(self._get_word_end_cursor(position)) |
|
513 | self._set_cursor(self._get_word_end_cursor(position)) | |
512 | intercepted = True |
|
514 | intercepted = True | |
513 |
|
515 | |||
514 | elif key == QtCore.Qt.Key_Backspace: |
|
516 | elif key == QtCore.Qt.Key_Backspace: | |
515 | cursor = self._get_word_start_cursor(position) |
|
517 | cursor = self._get_word_start_cursor(position) | |
516 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
|
518 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |
517 | cursor.removeSelectedText() |
|
519 | cursor.removeSelectedText() | |
518 | intercepted = True |
|
520 | intercepted = True | |
519 |
|
521 | |||
520 | elif key == QtCore.Qt.Key_D: |
|
522 | elif key == QtCore.Qt.Key_D: | |
521 | cursor = self._get_word_end_cursor(position) |
|
523 | cursor = self._get_word_end_cursor(position) | |
522 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
|
524 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |
523 | cursor.removeSelectedText() |
|
525 | cursor.removeSelectedText() | |
524 | intercepted = True |
|
526 | intercepted = True | |
525 |
|
527 | |||
526 | else: |
|
528 | else: | |
527 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): |
|
529 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): | |
528 | if self._reading: |
|
530 | if self._reading: | |
529 | self._append_plain_text('\n') |
|
531 | self._append_plain_text('\n') | |
530 | self._reading = False |
|
532 | self._reading = False | |
531 | if self._reading_callback: |
|
533 | if self._reading_callback: | |
532 | self._reading_callback() |
|
534 | self._reading_callback() | |
533 | elif not self._executing: |
|
535 | elif not self._executing: | |
534 | self.execute(interactive=True) |
|
536 | self.execute(interactive=True) | |
535 | intercepted = True |
|
537 | intercepted = True | |
536 |
|
538 | |||
537 | elif key == QtCore.Qt.Key_Up: |
|
539 | elif key == QtCore.Qt.Key_Up: | |
538 | if self._reading or not self._up_pressed(): |
|
540 | if self._reading or not self._up_pressed(): | |
539 | intercepted = True |
|
541 | intercepted = True | |
540 | else: |
|
542 | else: | |
541 | prompt_line = self._get_prompt_cursor().blockNumber() |
|
543 | prompt_line = self._get_prompt_cursor().blockNumber() | |
542 | intercepted = cursor.blockNumber() <= prompt_line |
|
544 | intercepted = cursor.blockNumber() <= prompt_line | |
543 |
|
545 | |||
544 | elif key == QtCore.Qt.Key_Down: |
|
546 | elif key == QtCore.Qt.Key_Down: | |
545 | if self._reading or not self._down_pressed(): |
|
547 | if self._reading or not self._down_pressed(): | |
546 | intercepted = True |
|
548 | intercepted = True | |
547 | else: |
|
549 | else: | |
548 | end_line = self._get_end_cursor().blockNumber() |
|
550 | end_line = self._get_end_cursor().blockNumber() | |
549 | intercepted = cursor.blockNumber() == end_line |
|
551 | intercepted = cursor.blockNumber() == end_line | |
550 |
|
552 | |||
551 | elif key == QtCore.Qt.Key_Tab: |
|
553 | elif key == QtCore.Qt.Key_Tab: | |
552 | if self._reading: |
|
554 | if self._reading: | |
553 | intercepted = False |
|
555 | intercepted = False | |
554 | else: |
|
556 | else: | |
555 | intercepted = not self._tab_pressed() |
|
557 | intercepted = not self._tab_pressed() | |
556 |
|
558 | |||
557 | elif key == QtCore.Qt.Key_Left: |
|
559 | elif key == QtCore.Qt.Key_Left: | |
558 | intercepted = not self._in_buffer(position - 1) |
|
560 | intercepted = not self._in_buffer(position - 1) | |
559 |
|
561 | |||
560 | elif key == QtCore.Qt.Key_Home: |
|
562 | elif key == QtCore.Qt.Key_Home: | |
561 | cursor.movePosition(QtGui.QTextCursor.StartOfLine) |
|
563 | cursor.movePosition(QtGui.QTextCursor.StartOfLine) | |
562 | start_line = cursor.blockNumber() |
|
564 | start_line = cursor.blockNumber() | |
563 | if start_line == self._get_prompt_cursor().blockNumber(): |
|
565 | if start_line == self._get_prompt_cursor().blockNumber(): | |
564 | start_pos = self._prompt_pos |
|
566 | start_pos = self._prompt_pos | |
565 | else: |
|
567 | else: | |
566 | start_pos = cursor.position() |
|
568 | start_pos = cursor.position() | |
567 | start_pos += len(self._continuation_prompt) |
|
569 | start_pos += len(self._continuation_prompt) | |
568 | if shift_down and self._in_buffer(position): |
|
570 | if shift_down and self._in_buffer(position): | |
569 | self._set_selection(position, start_pos) |
|
571 | self._set_selection(position, start_pos) | |
570 | else: |
|
572 | else: | |
571 | self._set_position(start_pos) |
|
573 | self._set_position(start_pos) | |
572 | intercepted = True |
|
574 | intercepted = True | |
573 |
|
575 | |||
574 | elif key == QtCore.Qt.Key_Backspace and not alt_down: |
|
576 | elif key == QtCore.Qt.Key_Backspace and not alt_down: | |
575 |
|
577 | |||
576 | # Line deletion (remove continuation prompt) |
|
578 | # Line deletion (remove continuation prompt) | |
577 | len_prompt = len(self._continuation_prompt) |
|
579 | len_prompt = len(self._continuation_prompt) | |
578 | if not self._reading and \ |
|
580 | if not self._reading and \ | |
579 | cursor.columnNumber() == len_prompt and \ |
|
581 | cursor.columnNumber() == len_prompt and \ | |
580 | position != self._prompt_pos: |
|
582 | position != self._prompt_pos: | |
581 | cursor.setPosition(position - len_prompt, |
|
583 | cursor.setPosition(position - len_prompt, | |
582 | QtGui.QTextCursor.KeepAnchor) |
|
584 | QtGui.QTextCursor.KeepAnchor) | |
583 | cursor.removeSelectedText() |
|
585 | cursor.removeSelectedText() | |
584 |
|
586 | |||
585 | # Regular backwards deletion |
|
587 | # Regular backwards deletion | |
586 | else: |
|
588 | else: | |
587 | anchor = cursor.anchor() |
|
589 | anchor = cursor.anchor() | |
588 | if anchor == position: |
|
590 | if anchor == position: | |
589 | intercepted = not self._in_buffer(position - 1) |
|
591 | intercepted = not self._in_buffer(position - 1) | |
590 | else: |
|
592 | else: | |
591 | intercepted = not self._in_buffer(min(anchor, position)) |
|
593 | intercepted = not self._in_buffer(min(anchor, position)) | |
592 |
|
594 | |||
593 | elif key == QtCore.Qt.Key_Delete: |
|
595 | elif key == QtCore.Qt.Key_Delete: | |
594 | anchor = cursor.anchor() |
|
596 | anchor = cursor.anchor() | |
595 | intercepted = not self._in_buffer(min(anchor, position)) |
|
597 | intercepted = not self._in_buffer(min(anchor, position)) | |
596 |
|
598 | |||
597 | # Don't move the cursor if control is down to allow copy-paste using |
|
599 | # Don't move the cursor if control is down to allow copy-paste using | |
598 | # the keyboard in any part of the buffer. |
|
600 | # the keyboard in any part of the buffer. | |
599 | if not ctrl_down: |
|
601 | if not ctrl_down: | |
600 | self._keep_cursor_in_buffer() |
|
602 | self._keep_cursor_in_buffer() | |
601 |
|
603 | |||
602 | return intercepted |
|
604 | return intercepted | |
603 |
|
605 | |||
604 | def _format_as_columns(self, items, separator=' '): |
|
606 | def _format_as_columns(self, items, separator=' '): | |
605 | """ Transform a list of strings into a single string with columns. |
|
607 | """ Transform a list of strings into a single string with columns. | |
606 |
|
608 | |||
607 | Parameters |
|
609 | Parameters | |
608 | ---------- |
|
610 | ---------- | |
609 | items : sequence of strings |
|
611 | items : sequence of strings | |
610 | The strings to process. |
|
612 | The strings to process. | |
611 |
|
613 | |||
612 | separator : str, optional [default is two spaces] |
|
614 | separator : str, optional [default is two spaces] | |
613 | The string that separates columns. |
|
615 | The string that separates columns. | |
614 |
|
616 | |||
615 | Returns |
|
617 | Returns | |
616 | ------- |
|
618 | ------- | |
617 | The formatted string. |
|
619 | The formatted string. | |
618 | """ |
|
620 | """ | |
619 | # Note: this code is adapted from columnize 0.3.2. |
|
621 | # Note: this code is adapted from columnize 0.3.2. | |
620 | # See http://code.google.com/p/pycolumnize/ |
|
622 | # See http://code.google.com/p/pycolumnize/ | |
621 |
|
623 | |||
622 | font_metrics = QtGui.QFontMetrics(self.font) |
|
624 | font_metrics = QtGui.QFontMetrics(self.font) | |
623 | displaywidth = max(5, (self.width() / font_metrics.width(' ')) - 1) |
|
625 | displaywidth = max(5, (self.width() / font_metrics.width(' ')) - 1) | |
624 |
|
626 | |||
625 | # Some degenerate cases. |
|
627 | # Some degenerate cases. | |
626 | size = len(items) |
|
628 | size = len(items) | |
627 | if size == 0: |
|
629 | if size == 0: | |
628 | return '\n' |
|
630 | return '\n' | |
629 | elif size == 1: |
|
631 | elif size == 1: | |
630 | return '%s\n' % str(items[0]) |
|
632 | return '%s\n' % str(items[0]) | |
631 |
|
633 | |||
632 | # Try every row count from 1 upwards |
|
634 | # Try every row count from 1 upwards | |
633 | array_index = lambda nrows, row, col: nrows*col + row |
|
635 | array_index = lambda nrows, row, col: nrows*col + row | |
634 | for nrows in range(1, size): |
|
636 | for nrows in range(1, size): | |
635 | ncols = (size + nrows - 1) // nrows |
|
637 | ncols = (size + nrows - 1) // nrows | |
636 | colwidths = [] |
|
638 | colwidths = [] | |
637 | totwidth = -len(separator) |
|
639 | totwidth = -len(separator) | |
638 | for col in range(ncols): |
|
640 | for col in range(ncols): | |
639 | # Get max column width for this column |
|
641 | # Get max column width for this column | |
640 | colwidth = 0 |
|
642 | colwidth = 0 | |
641 | for row in range(nrows): |
|
643 | for row in range(nrows): | |
642 | i = array_index(nrows, row, col) |
|
644 | i = array_index(nrows, row, col) | |
643 | if i >= size: break |
|
645 | if i >= size: break | |
644 | x = items[i] |
|
646 | x = items[i] | |
645 | colwidth = max(colwidth, len(x)) |
|
647 | colwidth = max(colwidth, len(x)) | |
646 | colwidths.append(colwidth) |
|
648 | colwidths.append(colwidth) | |
647 | totwidth += colwidth + len(separator) |
|
649 | totwidth += colwidth + len(separator) | |
648 | if totwidth > displaywidth: |
|
650 | if totwidth > displaywidth: | |
649 | break |
|
651 | break | |
650 | if totwidth <= displaywidth: |
|
652 | if totwidth <= displaywidth: | |
651 | break |
|
653 | break | |
652 |
|
654 | |||
653 | # The smallest number of rows computed and the max widths for each |
|
655 | # The smallest number of rows computed and the max widths for each | |
654 | # column has been obtained. Now we just have to format each of the rows. |
|
656 | # column has been obtained. Now we just have to format each of the rows. | |
655 | string = '' |
|
657 | string = '' | |
656 | for row in range(nrows): |
|
658 | for row in range(nrows): | |
657 | texts = [] |
|
659 | texts = [] | |
658 | for col in range(ncols): |
|
660 | for col in range(ncols): | |
659 | i = row + nrows*col |
|
661 | i = row + nrows*col | |
660 | if i >= size: |
|
662 | if i >= size: | |
661 | texts.append('') |
|
663 | texts.append('') | |
662 | else: |
|
664 | else: | |
663 | texts.append(items[i]) |
|
665 | texts.append(items[i]) | |
664 | while texts and not texts[-1]: |
|
666 | while texts and not texts[-1]: | |
665 | del texts[-1] |
|
667 | del texts[-1] | |
666 | for col in range(len(texts)): |
|
668 | for col in range(len(texts)): | |
667 | texts[col] = texts[col].ljust(colwidths[col]) |
|
669 | texts[col] = texts[col].ljust(colwidths[col]) | |
668 | string += '%s\n' % str(separator.join(texts)) |
|
670 | string += '%s\n' % str(separator.join(texts)) | |
669 | return string |
|
671 | return string | |
670 |
|
672 | |||
671 | def _get_block_plain_text(self, block): |
|
673 | def _get_block_plain_text(self, block): | |
672 | """ Given a QTextBlock, return its unformatted text. |
|
674 | """ Given a QTextBlock, return its unformatted text. | |
673 | """ |
|
675 | """ | |
674 | cursor = QtGui.QTextCursor(block) |
|
676 | cursor = QtGui.QTextCursor(block) | |
675 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) |
|
677 | cursor.movePosition(QtGui.QTextCursor.StartOfBlock) | |
676 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, |
|
678 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, | |
677 | QtGui.QTextCursor.KeepAnchor) |
|
679 | QtGui.QTextCursor.KeepAnchor) | |
678 | return str(cursor.selection().toPlainText()) |
|
680 | return str(cursor.selection().toPlainText()) | |
679 |
|
681 | |||
680 | def _get_cursor(self): |
|
682 | def _get_cursor(self): | |
681 | """ Convenience method that returns a cursor for the current position. |
|
683 | """ Convenience method that returns a cursor for the current position. | |
682 | """ |
|
684 | """ | |
683 | return self._control.textCursor() |
|
685 | return self._control.textCursor() | |
684 |
|
686 | |||
685 | def _get_end_cursor(self): |
|
687 | def _get_end_cursor(self): | |
686 | """ Convenience method that returns a cursor for the last character. |
|
688 | """ Convenience method that returns a cursor for the last character. | |
687 | """ |
|
689 | """ | |
688 | cursor = self._control.textCursor() |
|
690 | cursor = self._control.textCursor() | |
689 | cursor.movePosition(QtGui.QTextCursor.End) |
|
691 | cursor.movePosition(QtGui.QTextCursor.End) | |
690 | return cursor |
|
692 | return cursor | |
691 |
|
693 | |||
692 | def _get_prompt_cursor(self): |
|
694 | def _get_prompt_cursor(self): | |
693 | """ Convenience method that returns a cursor for the prompt position. |
|
695 | """ Convenience method that returns a cursor for the prompt position. | |
694 | """ |
|
696 | """ | |
695 | cursor = self._control.textCursor() |
|
697 | cursor = self._control.textCursor() | |
696 | cursor.setPosition(self._prompt_pos) |
|
698 | cursor.setPosition(self._prompt_pos) | |
697 | return cursor |
|
699 | return cursor | |
698 |
|
700 | |||
699 | def _get_selection_cursor(self, start, end): |
|
701 | def _get_selection_cursor(self, start, end): | |
700 | """ Convenience method that returns a cursor with text selected between |
|
702 | """ Convenience method that returns a cursor with text selected between | |
701 | the positions 'start' and 'end'. |
|
703 | the positions 'start' and 'end'. | |
702 | """ |
|
704 | """ | |
703 | cursor = self._control.textCursor() |
|
705 | cursor = self._control.textCursor() | |
704 | cursor.setPosition(start) |
|
706 | cursor.setPosition(start) | |
705 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) |
|
707 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) | |
706 | return cursor |
|
708 | return cursor | |
707 |
|
709 | |||
708 | def _get_word_start_cursor(self, position): |
|
710 | def _get_word_start_cursor(self, position): | |
709 | """ Find the start of the word to the left the given position. If a |
|
711 | """ Find the start of the word to the left the given position. If a | |
710 | sequence of non-word characters precedes the first word, skip over |
|
712 | sequence of non-word characters precedes the first word, skip over | |
711 | them. (This emulates the behavior of bash, emacs, etc.) |
|
713 | them. (This emulates the behavior of bash, emacs, etc.) | |
712 | """ |
|
714 | """ | |
713 | document = self._control.document() |
|
715 | document = self._control.document() | |
714 | position -= 1 |
|
716 | position -= 1 | |
715 | while self._in_buffer(position) and \ |
|
717 | while self._in_buffer(position) and \ | |
716 | not document.characterAt(position).isLetterOrNumber(): |
|
718 | not document.characterAt(position).isLetterOrNumber(): | |
717 | position -= 1 |
|
719 | position -= 1 | |
718 | while self._in_buffer(position) and \ |
|
720 | while self._in_buffer(position) and \ | |
719 | document.characterAt(position).isLetterOrNumber(): |
|
721 | document.characterAt(position).isLetterOrNumber(): | |
720 | position -= 1 |
|
722 | position -= 1 | |
721 | cursor = self._control.textCursor() |
|
723 | cursor = self._control.textCursor() | |
722 | cursor.setPosition(position + 1) |
|
724 | cursor.setPosition(position + 1) | |
723 | return cursor |
|
725 | return cursor | |
724 |
|
726 | |||
725 | def _get_word_end_cursor(self, position): |
|
727 | def _get_word_end_cursor(self, position): | |
726 | """ Find the end of the word to the right the given position. If a |
|
728 | """ Find the end of the word to the right the given position. If a | |
727 | sequence of non-word characters precedes the first word, skip over |
|
729 | sequence of non-word characters precedes the first word, skip over | |
728 | them. (This emulates the behavior of bash, emacs, etc.) |
|
730 | them. (This emulates the behavior of bash, emacs, etc.) | |
729 | """ |
|
731 | """ | |
730 | document = self._control.document() |
|
732 | document = self._control.document() | |
731 | end = self._get_end_cursor().position() |
|
733 | end = self._get_end_cursor().position() | |
732 | while position < end and \ |
|
734 | while position < end and \ | |
733 | not document.characterAt(position).isLetterOrNumber(): |
|
735 | not document.characterAt(position).isLetterOrNumber(): | |
734 | position += 1 |
|
736 | position += 1 | |
735 | while position < end and \ |
|
737 | while position < end and \ | |
736 | document.characterAt(position).isLetterOrNumber(): |
|
738 | document.characterAt(position).isLetterOrNumber(): | |
737 | position += 1 |
|
739 | position += 1 | |
738 | cursor = self._control.textCursor() |
|
740 | cursor = self._control.textCursor() | |
739 | cursor.setPosition(position) |
|
741 | cursor.setPosition(position) | |
740 | return cursor |
|
742 | return cursor | |
741 |
|
743 | |||
742 | def _insert_html(self, cursor, html): |
|
744 | def _insert_html(self, cursor, html): | |
743 | """ Insert HTML using the specified cursor in such a way that future |
|
745 | """ Insert HTML using the specified cursor in such a way that future | |
744 | formatting is unaffected. |
|
746 | formatting is unaffected. | |
745 | """ |
|
747 | """ | |
746 | cursor.insertHtml(html) |
|
748 | cursor.insertHtml(html) | |
747 |
|
749 | |||
748 | # After inserting HTML, the text document "remembers" the current |
|
750 | # After inserting HTML, the text document "remembers" the current | |
749 | # formatting, which means that subsequent calls adding plain text |
|
751 | # formatting, which means that subsequent calls adding plain text | |
750 | # will result in similar formatting, a behavior that we do not want. To |
|
752 | # will result in similar formatting, a behavior that we do not want. To | |
751 | # prevent this, we make sure that the last character has no formatting. |
|
753 | # prevent this, we make sure that the last character has no formatting. | |
752 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
754 | cursor.movePosition(QtGui.QTextCursor.Left, | |
753 | QtGui.QTextCursor.KeepAnchor) |
|
755 | QtGui.QTextCursor.KeepAnchor) | |
754 | if cursor.selection().toPlainText().trimmed().isEmpty(): |
|
756 | if cursor.selection().toPlainText().trimmed().isEmpty(): | |
755 | # If the last character is whitespace, it doesn't matter how it's |
|
757 | # If the last character is whitespace, it doesn't matter how it's | |
756 | # formatted, so just clear the formatting. |
|
758 | # formatted, so just clear the formatting. | |
757 | cursor.setCharFormat(QtGui.QTextCharFormat()) |
|
759 | cursor.setCharFormat(QtGui.QTextCharFormat()) | |
758 | else: |
|
760 | else: | |
759 | # Otherwise, add an unformatted space. |
|
761 | # Otherwise, add an unformatted space. | |
760 | cursor.movePosition(QtGui.QTextCursor.Right) |
|
762 | cursor.movePosition(QtGui.QTextCursor.Right) | |
761 | cursor.insertText(' ', QtGui.QTextCharFormat()) |
|
763 | cursor.insertText(' ', QtGui.QTextCharFormat()) | |
762 |
|
764 | |||
763 | def _in_buffer(self, position): |
|
765 | def _in_buffer(self, position): | |
764 | """ Returns whether the given position is inside the editing region. |
|
766 | """ Returns whether the given position is inside the editing region. | |
765 | """ |
|
767 | """ | |
766 | return position >= self._prompt_pos |
|
768 | return position >= self._prompt_pos | |
767 |
|
769 | |||
768 | def _keep_cursor_in_buffer(self): |
|
770 | def _keep_cursor_in_buffer(self): | |
769 | """ Ensures that the cursor is inside the editing region. Returns |
|
771 | """ Ensures that the cursor is inside the editing region. Returns | |
770 | whether the cursor was moved. |
|
772 | whether the cursor was moved. | |
771 | """ |
|
773 | """ | |
772 | cursor = self._control.textCursor() |
|
774 | cursor = self._control.textCursor() | |
773 | if cursor.position() < self._prompt_pos: |
|
775 | if cursor.position() < self._prompt_pos: | |
774 | cursor.movePosition(QtGui.QTextCursor.End) |
|
776 | cursor.movePosition(QtGui.QTextCursor.End) | |
775 | self._control.setTextCursor(cursor) |
|
777 | self._control.setTextCursor(cursor) | |
776 | return True |
|
778 | return True | |
777 | else: |
|
779 | else: | |
778 | return False |
|
780 | return False | |
779 |
|
781 | |||
780 | def _prompt_started(self): |
|
782 | def _prompt_started(self): | |
781 | """ Called immediately after a new prompt is displayed. |
|
783 | """ Called immediately after a new prompt is displayed. | |
782 | """ |
|
784 | """ | |
783 | # Temporarily disable the maximum block count to permit undo/redo and |
|
785 | # Temporarily disable the maximum block count to permit undo/redo and | |
784 | # to ensure that the prompt position does not change due to truncation. |
|
786 | # to ensure that the prompt position does not change due to truncation. | |
785 | self._control.document().setMaximumBlockCount(0) |
|
787 | self._control.document().setMaximumBlockCount(0) | |
786 | self._control.setUndoRedoEnabled(True) |
|
788 | self._control.setUndoRedoEnabled(True) | |
787 |
|
789 | |||
788 | self._control.setReadOnly(False) |
|
790 | self._control.setReadOnly(False) | |
789 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
791 | self._control.moveCursor(QtGui.QTextCursor.End) | |
790 |
|
792 | |||
791 | self._executing = False |
|
793 | self._executing = False | |
792 | self._prompt_started_hook() |
|
794 | self._prompt_started_hook() | |
793 |
|
795 | |||
794 | def _prompt_finished(self): |
|
796 | def _prompt_finished(self): | |
795 | """ Called immediately after a prompt is finished, i.e. when some input |
|
797 | """ Called immediately after a prompt is finished, i.e. when some input | |
796 | will be processed and a new prompt displayed. |
|
798 | will be processed and a new prompt displayed. | |
797 | """ |
|
799 | """ | |
798 | self._control.setUndoRedoEnabled(False) |
|
800 | self._control.setUndoRedoEnabled(False) | |
799 | self._control.setReadOnly(True) |
|
801 | self._control.setReadOnly(True) | |
800 | self._prompt_finished_hook() |
|
802 | self._prompt_finished_hook() | |
801 |
|
803 | |||
802 | def _readline(self, prompt='', callback=None): |
|
804 | def _readline(self, prompt='', callback=None): | |
803 | """ Reads one line of input from the user. |
|
805 | """ Reads one line of input from the user. | |
804 |
|
806 | |||
805 | Parameters |
|
807 | Parameters | |
806 | ---------- |
|
808 | ---------- | |
807 | prompt : str, optional |
|
809 | prompt : str, optional | |
808 | The prompt to print before reading the line. |
|
810 | The prompt to print before reading the line. | |
809 |
|
811 | |||
810 | callback : callable, optional |
|
812 | callback : callable, optional | |
811 | A callback to execute with the read line. If not specified, input is |
|
813 | A callback to execute with the read line. If not specified, input is | |
812 | read *synchronously* and this method does not return until it has |
|
814 | read *synchronously* and this method does not return until it has | |
813 | been read. |
|
815 | been read. | |
814 |
|
816 | |||
815 | Returns |
|
817 | Returns | |
816 | ------- |
|
818 | ------- | |
817 | If a callback is specified, returns nothing. Otherwise, returns the |
|
819 | If a callback is specified, returns nothing. Otherwise, returns the | |
818 | input string with the trailing newline stripped. |
|
820 | input string with the trailing newline stripped. | |
819 | """ |
|
821 | """ | |
820 | if self._reading: |
|
822 | if self._reading: | |
821 | raise RuntimeError('Cannot read a line. Widget is already reading.') |
|
823 | raise RuntimeError('Cannot read a line. Widget is already reading.') | |
822 |
|
824 | |||
823 | if not callback and not self.isVisible(): |
|
825 | if not callback and not self.isVisible(): | |
824 | # If the user cannot see the widget, this function cannot return. |
|
826 | # If the user cannot see the widget, this function cannot return. | |
825 | raise RuntimeError('Cannot synchronously read a line if the widget' |
|
827 | raise RuntimeError('Cannot synchronously read a line if the widget' | |
826 | 'is not visible!') |
|
828 | 'is not visible!') | |
827 |
|
829 | |||
828 | self._reading = True |
|
830 | self._reading = True | |
829 | self._show_prompt(prompt, newline=False) |
|
831 | self._show_prompt(prompt, newline=False) | |
830 |
|
832 | |||
831 | if callback is None: |
|
833 | if callback is None: | |
832 | self._reading_callback = None |
|
834 | self._reading_callback = None | |
833 | while self._reading: |
|
835 | while self._reading: | |
834 | QtCore.QCoreApplication.processEvents() |
|
836 | QtCore.QCoreApplication.processEvents() | |
835 | return self.input_buffer.rstrip('\n') |
|
837 | return self.input_buffer.rstrip('\n') | |
836 |
|
838 | |||
837 | else: |
|
839 | else: | |
838 | self._reading_callback = lambda: \ |
|
840 | self._reading_callback = lambda: \ | |
839 | callback(self.input_buffer.rstrip('\n')) |
|
841 | callback(self.input_buffer.rstrip('\n')) | |
840 |
|
842 | |||
841 | def _reset(self): |
|
843 | def _reset(self): | |
842 | """ Clears the console and resets internal state variables. |
|
844 | """ Clears the console and resets internal state variables. | |
843 | """ |
|
845 | """ | |
844 | self._control.clear() |
|
846 | self._control.clear() | |
845 | self._executing = self._reading = False |
|
847 | self._executing = self._reading = False | |
846 |
|
848 | |||
847 | def _set_continuation_prompt(self, prompt, html=False): |
|
849 | def _set_continuation_prompt(self, prompt, html=False): | |
848 | """ Sets the continuation prompt. |
|
850 | """ Sets the continuation prompt. | |
849 |
|
851 | |||
850 | Parameters |
|
852 | Parameters | |
851 | ---------- |
|
853 | ---------- | |
852 | prompt : str |
|
854 | prompt : str | |
853 | The prompt to show when more input is needed. |
|
855 | The prompt to show when more input is needed. | |
854 |
|
856 | |||
855 | html : bool, optional (default False) |
|
857 | html : bool, optional (default False) | |
856 | If set, the prompt will be inserted as formatted HTML. Otherwise, |
|
858 | If set, the prompt will be inserted as formatted HTML. Otherwise, | |
857 | the prompt will be treated as plain text, though ANSI color codes |
|
859 | the prompt will be treated as plain text, though ANSI color codes | |
858 | will be handled. |
|
860 | will be handled. | |
859 | """ |
|
861 | """ | |
860 | if html: |
|
862 | if html: | |
861 | self._continuation_prompt_html = prompt |
|
863 | self._continuation_prompt_html = prompt | |
862 | else: |
|
864 | else: | |
863 | self._continuation_prompt = prompt |
|
865 | self._continuation_prompt = prompt | |
864 | self._continuation_prompt_html = None |
|
866 | self._continuation_prompt_html = None | |
865 |
|
867 | |||
866 | def _set_cursor(self, cursor): |
|
868 | def _set_cursor(self, cursor): | |
867 | """ Convenience method to set the current cursor. |
|
869 | """ Convenience method to set the current cursor. | |
868 | """ |
|
870 | """ | |
869 | self._control.setTextCursor(cursor) |
|
871 | self._control.setTextCursor(cursor) | |
870 |
|
872 | |||
871 | def _set_position(self, position): |
|
873 | def _set_position(self, position): | |
872 | """ Convenience method to set the position of the cursor. |
|
874 | """ Convenience method to set the position of the cursor. | |
873 | """ |
|
875 | """ | |
874 | cursor = self._control.textCursor() |
|
876 | cursor = self._control.textCursor() | |
875 | cursor.setPosition(position) |
|
877 | cursor.setPosition(position) | |
876 | self._control.setTextCursor(cursor) |
|
878 | self._control.setTextCursor(cursor) | |
877 |
|
879 | |||
878 | def _set_selection(self, start, end): |
|
880 | def _set_selection(self, start, end): | |
879 | """ Convenience method to set the current selected text. |
|
881 | """ Convenience method to set the current selected text. | |
880 | """ |
|
882 | """ | |
881 | self._control.setTextCursor(self._get_selection_cursor(start, end)) |
|
883 | self._control.setTextCursor(self._get_selection_cursor(start, end)) | |
882 |
|
884 | |||
883 | def _show_context_menu(self, pos): |
|
885 | def _show_context_menu(self, pos): | |
884 | """ Shows a context menu at the given QPoint (in widget coordinates). |
|
886 | """ Shows a context menu at the given QPoint (in widget coordinates). | |
885 | """ |
|
887 | """ | |
886 | menu = QtGui.QMenu() |
|
888 | menu = QtGui.QMenu() | |
887 |
|
889 | |||
888 | copy_action = QtGui.QAction('Copy', menu) |
|
890 | copy_action = QtGui.QAction('Copy', menu) | |
889 | copy_action.triggered.connect(self.copy) |
|
891 | copy_action.triggered.connect(self.copy) | |
890 | copy_action.setEnabled(self._get_cursor().hasSelection()) |
|
892 | copy_action.setEnabled(self._get_cursor().hasSelection()) | |
891 | copy_action.setShortcut(QtGui.QKeySequence.Copy) |
|
893 | copy_action.setShortcut(QtGui.QKeySequence.Copy) | |
892 | menu.addAction(copy_action) |
|
894 | menu.addAction(copy_action) | |
893 |
|
895 | |||
894 | paste_action = QtGui.QAction('Paste', menu) |
|
896 | paste_action = QtGui.QAction('Paste', menu) | |
895 | paste_action.triggered.connect(self.paste) |
|
897 | paste_action.triggered.connect(self.paste) | |
896 | paste_action.setEnabled(self._control.canPaste()) |
|
898 | paste_action.setEnabled(self._control.canPaste()) | |
897 | paste_action.setShortcut(QtGui.QKeySequence.Paste) |
|
899 | paste_action.setShortcut(QtGui.QKeySequence.Paste) | |
898 | menu.addAction(paste_action) |
|
900 | menu.addAction(paste_action) | |
899 | menu.addSeparator() |
|
901 | menu.addSeparator() | |
900 |
|
902 | |||
901 | select_all_action = QtGui.QAction('Select All', menu) |
|
903 | select_all_action = QtGui.QAction('Select All', menu) | |
902 | select_all_action.triggered.connect(self.select_all) |
|
904 | select_all_action.triggered.connect(self.select_all) | |
903 | menu.addAction(select_all_action) |
|
905 | menu.addAction(select_all_action) | |
904 |
|
906 | |||
905 | menu.exec_(self._control.mapToGlobal(pos)) |
|
907 | menu.exec_(self._control.mapToGlobal(pos)) | |
906 |
|
908 | |||
907 | def _show_prompt(self, prompt=None, html=False, newline=True): |
|
909 | def _show_prompt(self, prompt=None, html=False, newline=True): | |
908 | """ Writes a new prompt at the end of the buffer. |
|
910 | """ Writes a new prompt at the end of the buffer. | |
909 |
|
911 | |||
910 | Parameters |
|
912 | Parameters | |
911 | ---------- |
|
913 | ---------- | |
912 | prompt : str, optional |
|
914 | prompt : str, optional | |
913 | The prompt to show. If not specified, the previous prompt is used. |
|
915 | The prompt to show. If not specified, the previous prompt is used. | |
914 |
|
916 | |||
915 | html : bool, optional (default False) |
|
917 | html : bool, optional (default False) | |
916 | Only relevant when a prompt is specified. If set, the prompt will |
|
918 | Only relevant when a prompt is specified. If set, the prompt will | |
917 | be inserted as formatted HTML. Otherwise, the prompt will be treated |
|
919 | be inserted as formatted HTML. Otherwise, the prompt will be treated | |
918 | as plain text, though ANSI color codes will be handled. |
|
920 | as plain text, though ANSI color codes will be handled. | |
919 |
|
921 | |||
920 | newline : bool, optional (default True) |
|
922 | newline : bool, optional (default True) | |
921 | If set, a new line will be written before showing the prompt if |
|
923 | If set, a new line will be written before showing the prompt if | |
922 | there is not already a newline at the end of the buffer. |
|
924 | there is not already a newline at the end of the buffer. | |
923 | """ |
|
925 | """ | |
924 | # Insert a preliminary newline, if necessary. |
|
926 | # Insert a preliminary newline, if necessary. | |
925 | if newline: |
|
927 | if newline: | |
926 | cursor = self._get_end_cursor() |
|
928 | cursor = self._get_end_cursor() | |
927 | if cursor.position() > 0: |
|
929 | if cursor.position() > 0: | |
928 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
930 | cursor.movePosition(QtGui.QTextCursor.Left, | |
929 | QtGui.QTextCursor.KeepAnchor) |
|
931 | QtGui.QTextCursor.KeepAnchor) | |
930 | if str(cursor.selection().toPlainText()) != '\n': |
|
932 | if str(cursor.selection().toPlainText()) != '\n': | |
931 | self._append_plain_text('\n') |
|
933 | self._append_plain_text('\n') | |
932 |
|
934 | |||
933 | # Write the prompt. |
|
935 | # Write the prompt. | |
934 | if prompt is None: |
|
936 | if prompt is None: | |
935 | if self._prompt_html is None: |
|
937 | if self._prompt_html is None: | |
936 | self._append_plain_text(self._prompt) |
|
938 | self._append_plain_text(self._prompt) | |
937 | else: |
|
939 | else: | |
938 | self._append_html(self._prompt_html) |
|
940 | self._append_html(self._prompt_html) | |
939 | else: |
|
941 | else: | |
940 | if html: |
|
942 | if html: | |
941 | self._prompt = self._append_html_fetching_plain_text(prompt) |
|
943 | self._prompt = self._append_html_fetching_plain_text(prompt) | |
942 | self._prompt_html = prompt |
|
944 | self._prompt_html = prompt | |
943 | else: |
|
945 | else: | |
944 | self._append_plain_text(prompt) |
|
946 | self._append_plain_text(prompt) | |
945 | self._prompt = prompt |
|
947 | self._prompt = prompt | |
946 | self._prompt_html = None |
|
948 | self._prompt_html = None | |
947 |
|
949 | |||
948 | self._prompt_pos = self._get_end_cursor().position() |
|
950 | self._prompt_pos = self._get_end_cursor().position() | |
949 | self._prompt_started() |
|
951 | self._prompt_started() | |
950 |
|
952 | |||
951 | def _show_continuation_prompt(self): |
|
953 | def _show_continuation_prompt(self): | |
952 | """ Writes a new continuation prompt at the end of the buffer. |
|
954 | """ Writes a new continuation prompt at the end of the buffer. | |
953 | """ |
|
955 | """ | |
954 | if self._continuation_prompt_html is None: |
|
956 | if self._continuation_prompt_html is None: | |
955 | self._append_plain_text(self._continuation_prompt) |
|
957 | self._append_plain_text(self._continuation_prompt) | |
956 | else: |
|
958 | else: | |
957 | self._continuation_prompt = self._append_html_fetching_plain_text( |
|
959 | self._continuation_prompt = self._append_html_fetching_plain_text( | |
958 | self._continuation_prompt_html) |
|
960 | self._continuation_prompt_html) | |
959 |
|
961 | |||
960 | self._prompt_started() |
|
962 | self._prompt_started() | |
961 |
|
963 | |||
962 |
|
964 | |||
963 | class HistoryConsoleWidget(ConsoleWidget): |
|
965 | class HistoryConsoleWidget(ConsoleWidget): | |
964 | """ A ConsoleWidget that keeps a history of the commands that have been |
|
966 | """ A ConsoleWidget that keeps a history of the commands that have been | |
965 | executed. |
|
967 | executed. | |
966 | """ |
|
968 | """ | |
967 |
|
969 | |||
968 | #--------------------------------------------------------------------------- |
|
970 | #--------------------------------------------------------------------------- | |
969 | # 'object' interface |
|
971 | # 'object' interface | |
970 | #--------------------------------------------------------------------------- |
|
972 | #--------------------------------------------------------------------------- | |
971 |
|
973 | |||
972 | def __init__(self, *args, **kw): |
|
974 | def __init__(self, *args, **kw): | |
973 | super(HistoryConsoleWidget, self).__init__(*args, **kw) |
|
975 | super(HistoryConsoleWidget, self).__init__(*args, **kw) | |
974 | self._history = [] |
|
976 | self._history = [] | |
975 | self._history_index = 0 |
|
977 | self._history_index = 0 | |
976 |
|
978 | |||
977 | #--------------------------------------------------------------------------- |
|
979 | #--------------------------------------------------------------------------- | |
978 | # 'ConsoleWidget' public interface |
|
980 | # 'ConsoleWidget' public interface | |
979 | #--------------------------------------------------------------------------- |
|
981 | #--------------------------------------------------------------------------- | |
980 |
|
982 | |||
981 | def execute(self, source=None, hidden=False, interactive=False): |
|
983 | def execute(self, source=None, hidden=False, interactive=False): | |
982 | """ Reimplemented to the store history. |
|
984 | """ Reimplemented to the store history. | |
983 | """ |
|
985 | """ | |
984 | if not hidden: |
|
986 | if not hidden: | |
985 | history = self.input_buffer if source is None else source |
|
987 | history = self.input_buffer if source is None else source | |
986 |
|
988 | |||
987 | executed = super(HistoryConsoleWidget, self).execute( |
|
989 | executed = super(HistoryConsoleWidget, self).execute( | |
988 | source, hidden, interactive) |
|
990 | source, hidden, interactive) | |
989 |
|
991 | |||
990 | if executed and not hidden: |
|
992 | if executed and not hidden: | |
991 | self._history.append(history.rstrip()) |
|
993 | self._history.append(history.rstrip()) | |
992 | self._history_index = len(self._history) |
|
994 | self._history_index = len(self._history) | |
993 |
|
995 | |||
994 | return executed |
|
996 | return executed | |
995 |
|
997 | |||
996 | #--------------------------------------------------------------------------- |
|
998 | #--------------------------------------------------------------------------- | |
997 | # 'ConsoleWidget' abstract interface |
|
999 | # 'ConsoleWidget' abstract interface | |
998 | #--------------------------------------------------------------------------- |
|
1000 | #--------------------------------------------------------------------------- | |
999 |
|
1001 | |||
1000 | def _up_pressed(self): |
|
1002 | def _up_pressed(self): | |
1001 | """ Called when the up key is pressed. Returns whether to continue |
|
1003 | """ Called when the up key is pressed. Returns whether to continue | |
1002 | processing the event. |
|
1004 | processing the event. | |
1003 | """ |
|
1005 | """ | |
1004 | prompt_cursor = self._get_prompt_cursor() |
|
1006 | prompt_cursor = self._get_prompt_cursor() | |
1005 | if self._get_cursor().blockNumber() == prompt_cursor.blockNumber(): |
|
1007 | if self._get_cursor().blockNumber() == prompt_cursor.blockNumber(): | |
1006 | self.history_previous() |
|
1008 | self.history_previous() | |
1007 |
|
1009 | |||
1008 | # Go to the first line of prompt for seemless history scrolling. |
|
1010 | # Go to the first line of prompt for seemless history scrolling. | |
1009 | cursor = self._get_prompt_cursor() |
|
1011 | cursor = self._get_prompt_cursor() | |
1010 | cursor.movePosition(QtGui.QTextCursor.EndOfLine) |
|
1012 | cursor.movePosition(QtGui.QTextCursor.EndOfLine) | |
1011 | self._set_cursor(cursor) |
|
1013 | self._set_cursor(cursor) | |
1012 |
|
1014 | |||
1013 | return False |
|
1015 | return False | |
1014 | return True |
|
1016 | return True | |
1015 |
|
1017 | |||
1016 | def _down_pressed(self): |
|
1018 | def _down_pressed(self): | |
1017 | """ Called when the down key is pressed. Returns whether to continue |
|
1019 | """ Called when the down key is pressed. Returns whether to continue | |
1018 | processing the event. |
|
1020 | processing the event. | |
1019 | """ |
|
1021 | """ | |
1020 | end_cursor = self._get_end_cursor() |
|
1022 | end_cursor = self._get_end_cursor() | |
1021 | if self._get_cursor().blockNumber() == end_cursor.blockNumber(): |
|
1023 | if self._get_cursor().blockNumber() == end_cursor.blockNumber(): | |
1022 | self.history_next() |
|
1024 | self.history_next() | |
1023 | return False |
|
1025 | return False | |
1024 | return True |
|
1026 | return True | |
1025 |
|
1027 | |||
1026 | #--------------------------------------------------------------------------- |
|
1028 | #--------------------------------------------------------------------------- | |
1027 | # 'HistoryConsoleWidget' interface |
|
1029 | # 'HistoryConsoleWidget' interface | |
1028 | #--------------------------------------------------------------------------- |
|
1030 | #--------------------------------------------------------------------------- | |
1029 |
|
1031 | |||
1030 | def history_previous(self): |
|
1032 | def history_previous(self): | |
1031 | """ If possible, set the input buffer to the previous item in the |
|
1033 | """ If possible, set the input buffer to the previous item in the | |
1032 | history. |
|
1034 | history. | |
1033 | """ |
|
1035 | """ | |
1034 | if self._history_index > 0: |
|
1036 | if self._history_index > 0: | |
1035 | self._history_index -= 1 |
|
1037 | self._history_index -= 1 | |
1036 | self.input_buffer = self._history[self._history_index] |
|
1038 | self.input_buffer = self._history[self._history_index] | |
1037 |
|
1039 | |||
1038 | def history_next(self): |
|
1040 | def history_next(self): | |
1039 | """ Set the input buffer to the next item in the history, or a blank |
|
1041 | """ Set the input buffer to the next item in the history, or a blank | |
1040 | line if there is no subsequent item. |
|
1042 | line if there is no subsequent item. | |
1041 | """ |
|
1043 | """ | |
1042 | if self._history_index < len(self._history): |
|
1044 | if self._history_index < len(self._history): | |
1043 | self._history_index += 1 |
|
1045 | self._history_index += 1 | |
1044 | if self._history_index < len(self._history): |
|
1046 | if self._history_index < len(self._history): | |
1045 | self.input_buffer = self._history[self._history_index] |
|
1047 | self.input_buffer = self._history[self._history_index] | |
1046 | else: |
|
1048 | else: | |
1047 | self.input_buffer = '' |
|
1049 | self.input_buffer = '' |
@@ -1,384 +1,369 b'' | |||||
1 | # Standard library imports |
|
1 | # Standard library imports | |
2 | import signal |
|
2 | import signal | |
3 | import sys |
|
3 | import sys | |
4 |
|
4 | |||
5 | # System library imports |
|
5 | # System library imports | |
6 | from pygments.lexers import PythonLexer |
|
6 | from pygments.lexers import PythonLexer | |
7 | from PyQt4 import QtCore, QtGui |
|
7 | from PyQt4 import QtCore, QtGui | |
8 | import zmq |
|
8 | import zmq | |
9 |
|
9 | |||
10 | # Local imports |
|
10 | # Local imports | |
11 | from IPython.core.inputsplitter import InputSplitter |
|
11 | from IPython.core.inputsplitter import InputSplitter | |
12 | from call_tip_widget import CallTipWidget |
|
12 | from call_tip_widget import CallTipWidget | |
13 | from completion_lexer import CompletionLexer |
|
13 | from completion_lexer import CompletionLexer | |
14 | from console_widget import HistoryConsoleWidget |
|
14 | from console_widget import HistoryConsoleWidget | |
15 | from pygments_highlighter import PygmentsHighlighter |
|
15 | from pygments_highlighter import PygmentsHighlighter | |
16 |
|
16 | |||
17 |
|
17 | |||
18 | class FrontendHighlighter(PygmentsHighlighter): |
|
18 | class FrontendHighlighter(PygmentsHighlighter): | |
19 | """ A PygmentsHighlighter that can be turned on and off and that ignores |
|
19 | """ A PygmentsHighlighter that can be turned on and off and that ignores | |
20 | prompts. |
|
20 | prompts. | |
21 | """ |
|
21 | """ | |
22 |
|
22 | |||
23 | def __init__(self, frontend): |
|
23 | def __init__(self, frontend): | |
24 | super(FrontendHighlighter, self).__init__(frontend._control.document()) |
|
24 | super(FrontendHighlighter, self).__init__(frontend._control.document()) | |
25 | self._current_offset = 0 |
|
25 | self._current_offset = 0 | |
26 | self._frontend = frontend |
|
26 | self._frontend = frontend | |
27 | self.highlighting_on = False |
|
27 | self.highlighting_on = False | |
28 |
|
28 | |||
29 | def highlightBlock(self, qstring): |
|
29 | def highlightBlock(self, qstring): | |
30 | """ Highlight a block of text. Reimplemented to highlight selectively. |
|
30 | """ Highlight a block of text. Reimplemented to highlight selectively. | |
31 | """ |
|
31 | """ | |
32 | if not self.highlighting_on: |
|
32 | if not self.highlighting_on: | |
33 | return |
|
33 | return | |
34 |
|
34 | |||
35 | # The input to this function is unicode string that may contain |
|
35 | # The input to this function is unicode string that may contain | |
36 | # paragraph break characters, non-breaking spaces, etc. Here we acquire |
|
36 | # paragraph break characters, non-breaking spaces, etc. Here we acquire | |
37 | # the string as plain text so we can compare it. |
|
37 | # the string as plain text so we can compare it. | |
38 | current_block = self.currentBlock() |
|
38 | current_block = self.currentBlock() | |
39 | string = self._frontend._get_block_plain_text(current_block) |
|
39 | string = self._frontend._get_block_plain_text(current_block) | |
40 |
|
40 | |||
41 | # Decide whether to check for the regular or continuation prompt. |
|
41 | # Decide whether to check for the regular or continuation prompt. | |
42 | if current_block.contains(self._frontend._prompt_pos): |
|
42 | if current_block.contains(self._frontend._prompt_pos): | |
43 | prompt = self._frontend._prompt |
|
43 | prompt = self._frontend._prompt | |
44 | else: |
|
44 | else: | |
45 | prompt = self._frontend._continuation_prompt |
|
45 | prompt = self._frontend._continuation_prompt | |
46 |
|
46 | |||
47 | # Don't highlight the part of the string that contains the prompt. |
|
47 | # Don't highlight the part of the string that contains the prompt. | |
48 | if string.startswith(prompt): |
|
48 | if string.startswith(prompt): | |
49 | self._current_offset = len(prompt) |
|
49 | self._current_offset = len(prompt) | |
50 | qstring.remove(0, len(prompt)) |
|
50 | qstring.remove(0, len(prompt)) | |
51 | else: |
|
51 | else: | |
52 | self._current_offset = 0 |
|
52 | self._current_offset = 0 | |
53 |
|
53 | |||
54 | PygmentsHighlighter.highlightBlock(self, qstring) |
|
54 | PygmentsHighlighter.highlightBlock(self, qstring) | |
55 |
|
55 | |||
56 | def setFormat(self, start, count, format): |
|
56 | def setFormat(self, start, count, format): | |
57 | """ Reimplemented to highlight selectively. |
|
57 | """ Reimplemented to highlight selectively. | |
58 | """ |
|
58 | """ | |
59 | start += self._current_offset |
|
59 | start += self._current_offset | |
60 | PygmentsHighlighter.setFormat(self, start, count, format) |
|
60 | PygmentsHighlighter.setFormat(self, start, count, format) | |
61 |
|
61 | |||
62 |
|
62 | |||
63 | class FrontendWidget(HistoryConsoleWidget): |
|
63 | class FrontendWidget(HistoryConsoleWidget): | |
64 | """ A Qt frontend for a generic Python kernel. |
|
64 | """ A Qt frontend for a generic Python kernel. | |
65 | """ |
|
65 | """ | |
66 |
|
66 | |||
67 | # Emitted when an 'execute_reply' is received from the kernel. |
|
67 | # Emitted when an 'execute_reply' is received from the kernel. | |
68 | executed = QtCore.pyqtSignal(object) |
|
68 | executed = QtCore.pyqtSignal(object) | |
69 |
|
69 | |||
70 | #--------------------------------------------------------------------------- |
|
70 | #--------------------------------------------------------------------------- | |
71 | # 'object' interface |
|
71 | # 'object' interface | |
72 | #--------------------------------------------------------------------------- |
|
72 | #--------------------------------------------------------------------------- | |
73 |
|
73 | |||
74 | def __init__(self, *args, **kw): |
|
74 | def __init__(self, *args, **kw): | |
75 | super(FrontendWidget, self).__init__(*args, **kw) |
|
75 | super(FrontendWidget, self).__init__(*args, **kw) | |
76 |
|
76 | |||
77 | # FrontendWidget protected variables. |
|
77 | # FrontendWidget protected variables. | |
78 | self._call_tip_widget = CallTipWidget(self._control) |
|
78 | self._call_tip_widget = CallTipWidget(self._control) | |
79 | self._completion_lexer = CompletionLexer(PythonLexer()) |
|
79 | self._completion_lexer = CompletionLexer(PythonLexer()) | |
80 | self._hidden = True |
|
80 | self._hidden = True | |
81 | self._highlighter = FrontendHighlighter(self) |
|
81 | self._highlighter = FrontendHighlighter(self) | |
82 | self._input_splitter = InputSplitter(input_mode='replace') |
|
82 | self._input_splitter = InputSplitter(input_mode='replace') | |
83 | self._kernel_manager = None |
|
83 | self._kernel_manager = None | |
84 |
|
84 | |||
85 | # Configure the ConsoleWidget. |
|
85 | # Configure the ConsoleWidget. | |
86 | self.tab_width = 4 |
|
86 | self.tab_width = 4 | |
87 | self._set_continuation_prompt('... ') |
|
87 | self._set_continuation_prompt('... ') | |
88 |
|
88 | |||
89 | # Connect signal handlers. |
|
89 | # Connect signal handlers. | |
90 | document = self._control.document() |
|
90 | document = self._control.document() | |
91 | document.contentsChange.connect(self._document_contents_change) |
|
91 | document.contentsChange.connect(self._document_contents_change) | |
92 |
|
92 | |||
93 | #--------------------------------------------------------------------------- |
|
93 | #--------------------------------------------------------------------------- | |
94 | # 'QWidget' interface |
|
|||
95 | #--------------------------------------------------------------------------- |
|
|||
96 |
|
||||
97 | def focusOutEvent(self, event): |
|
|||
98 | """ Reimplemented to hide calltips. |
|
|||
99 | """ |
|
|||
100 | self._call_tip_widget.hide() |
|
|||
101 | super(FrontendWidget, self).focusOutEvent(event) |
|
|||
102 |
|
||||
103 | def keyPressEvent(self, event): |
|
|||
104 | """ Reimplemented to allow calltips to process events and to send |
|
|||
105 | signals to the kernel. |
|
|||
106 | """ |
|
|||
107 | if self._executing and event.key() == QtCore.Qt.Key_C and \ |
|
|||
108 | self._control_down(event.modifiers()): |
|
|||
109 | self._interrupt_kernel() |
|
|||
110 | else: |
|
|||
111 | if self._call_tip_widget.isVisible(): |
|
|||
112 | self._call_tip_widget.keyPressEvent(event) |
|
|||
113 | super(FrontendWidget, self).keyPressEvent(event) |
|
|||
114 |
|
||||
115 | #--------------------------------------------------------------------------- |
|
|||
116 | # 'ConsoleWidget' abstract interface |
|
94 | # 'ConsoleWidget' abstract interface | |
117 | #--------------------------------------------------------------------------- |
|
95 | #--------------------------------------------------------------------------- | |
118 |
|
96 | |||
119 | def _is_complete(self, source, interactive): |
|
97 | def _is_complete(self, source, interactive): | |
120 | """ Returns whether 'source' can be completely processed and a new |
|
98 | """ Returns whether 'source' can be completely processed and a new | |
121 | prompt created. When triggered by an Enter/Return key press, |
|
99 | prompt created. When triggered by an Enter/Return key press, | |
122 | 'interactive' is True; otherwise, it is False. |
|
100 | 'interactive' is True; otherwise, it is False. | |
123 | """ |
|
101 | """ | |
124 | complete = self._input_splitter.push(source.expandtabs(4)) |
|
102 | complete = self._input_splitter.push(source.expandtabs(4)) | |
125 | if interactive: |
|
103 | if interactive: | |
126 | complete = not self._input_splitter.push_accepts_more() |
|
104 | complete = not self._input_splitter.push_accepts_more() | |
127 | return complete |
|
105 | return complete | |
128 |
|
106 | |||
129 | def _execute(self, source, hidden): |
|
107 | def _execute(self, source, hidden): | |
130 | """ Execute 'source'. If 'hidden', do not show any output. |
|
108 | """ Execute 'source'. If 'hidden', do not show any output. | |
131 | """ |
|
109 | """ | |
132 | self.kernel_manager.xreq_channel.execute(source) |
|
110 | self.kernel_manager.xreq_channel.execute(source) | |
133 | self._hidden = hidden |
|
111 | self._hidden = hidden | |
|
112 | ||||
|
113 | def _execute_interrupt(self): | |||
|
114 | """ Attempts to stop execution. Returns whether this method has an | |||
|
115 | implementation. | |||
|
116 | """ | |||
|
117 | self._interrupt_kernel() | |||
|
118 | return True | |||
134 |
|
119 | |||
135 | def _prompt_started_hook(self): |
|
120 | def _prompt_started_hook(self): | |
136 | """ Called immediately after a new prompt is displayed. |
|
121 | """ Called immediately after a new prompt is displayed. | |
137 | """ |
|
122 | """ | |
138 | if not self._reading: |
|
123 | if not self._reading: | |
139 | self._highlighter.highlighting_on = True |
|
124 | self._highlighter.highlighting_on = True | |
140 |
|
125 | |||
141 | # Auto-indent if this is a continuation prompt. |
|
126 | # Auto-indent if this is a continuation prompt. | |
142 | if self._get_prompt_cursor().blockNumber() != \ |
|
127 | if self._get_prompt_cursor().blockNumber() != \ | |
143 | self._get_end_cursor().blockNumber(): |
|
128 | self._get_end_cursor().blockNumber(): | |
144 | spaces = self._input_splitter.indent_spaces |
|
129 | spaces = self._input_splitter.indent_spaces | |
145 | self._append_plain_text('\t' * (spaces / self.tab_width)) |
|
130 | self._append_plain_text('\t' * (spaces / self.tab_width)) | |
146 | self._append_plain_text(' ' * (spaces % self.tab_width)) |
|
131 | self._append_plain_text(' ' * (spaces % self.tab_width)) | |
147 |
|
132 | |||
148 | def _prompt_finished_hook(self): |
|
133 | def _prompt_finished_hook(self): | |
149 | """ Called immediately after a prompt is finished, i.e. when some input |
|
134 | """ Called immediately after a prompt is finished, i.e. when some input | |
150 | will be processed and a new prompt displayed. |
|
135 | will be processed and a new prompt displayed. | |
151 | """ |
|
136 | """ | |
152 | if not self._reading: |
|
137 | if not self._reading: | |
153 | self._highlighter.highlighting_on = False |
|
138 | self._highlighter.highlighting_on = False | |
154 |
|
139 | |||
155 | def _tab_pressed(self): |
|
140 | def _tab_pressed(self): | |
156 | """ Called when the tab key is pressed. Returns whether to continue |
|
141 | """ Called when the tab key is pressed. Returns whether to continue | |
157 | processing the event. |
|
142 | processing the event. | |
158 | """ |
|
143 | """ | |
159 | self._keep_cursor_in_buffer() |
|
144 | self._keep_cursor_in_buffer() | |
160 | cursor = self._get_cursor() |
|
145 | cursor = self._get_cursor() | |
161 | return not self._complete() |
|
146 | return not self._complete() | |
162 |
|
147 | |||
163 | #--------------------------------------------------------------------------- |
|
148 | #--------------------------------------------------------------------------- | |
164 | # 'FrontendWidget' interface |
|
149 | # 'FrontendWidget' interface | |
165 | #--------------------------------------------------------------------------- |
|
150 | #--------------------------------------------------------------------------- | |
166 |
|
151 | |||
167 | def execute_file(self, path, hidden=False): |
|
152 | def execute_file(self, path, hidden=False): | |
168 | """ Attempts to execute file with 'path'. If 'hidden', no output is |
|
153 | """ Attempts to execute file with 'path'. If 'hidden', no output is | |
169 | shown. |
|
154 | shown. | |
170 | """ |
|
155 | """ | |
171 | self.execute('execfile("%s")' % path, hidden=hidden) |
|
156 | self.execute('execfile("%s")' % path, hidden=hidden) | |
172 |
|
157 | |||
173 | def _get_kernel_manager(self): |
|
158 | def _get_kernel_manager(self): | |
174 | """ Returns the current kernel manager. |
|
159 | """ Returns the current kernel manager. | |
175 | """ |
|
160 | """ | |
176 | return self._kernel_manager |
|
161 | return self._kernel_manager | |
177 |
|
162 | |||
178 | def _set_kernel_manager(self, kernel_manager): |
|
163 | def _set_kernel_manager(self, kernel_manager): | |
179 | """ Disconnect from the current kernel manager (if any) and set a new |
|
164 | """ Disconnect from the current kernel manager (if any) and set a new | |
180 | kernel manager. |
|
165 | kernel manager. | |
181 | """ |
|
166 | """ | |
182 | # Disconnect the old kernel manager, if necessary. |
|
167 | # Disconnect the old kernel manager, if necessary. | |
183 | if self._kernel_manager is not None: |
|
168 | if self._kernel_manager is not None: | |
184 | self._kernel_manager.started_channels.disconnect( |
|
169 | self._kernel_manager.started_channels.disconnect( | |
185 | self._started_channels) |
|
170 | self._started_channels) | |
186 | self._kernel_manager.stopped_channels.disconnect( |
|
171 | self._kernel_manager.stopped_channels.disconnect( | |
187 | self._stopped_channels) |
|
172 | self._stopped_channels) | |
188 |
|
173 | |||
189 | # Disconnect the old kernel manager's channels. |
|
174 | # Disconnect the old kernel manager's channels. | |
190 | sub = self._kernel_manager.sub_channel |
|
175 | sub = self._kernel_manager.sub_channel | |
191 | xreq = self._kernel_manager.xreq_channel |
|
176 | xreq = self._kernel_manager.xreq_channel | |
192 | rep = self._kernel_manager.rep_channel |
|
177 | rep = self._kernel_manager.rep_channel | |
193 | sub.message_received.disconnect(self._handle_sub) |
|
178 | sub.message_received.disconnect(self._handle_sub) | |
194 | xreq.execute_reply.disconnect(self._handle_execute_reply) |
|
179 | xreq.execute_reply.disconnect(self._handle_execute_reply) | |
195 | xreq.complete_reply.disconnect(self._handle_complete_reply) |
|
180 | xreq.complete_reply.disconnect(self._handle_complete_reply) | |
196 | xreq.object_info_reply.disconnect(self._handle_object_info_reply) |
|
181 | xreq.object_info_reply.disconnect(self._handle_object_info_reply) | |
197 | rep.input_requested.disconnect(self._handle_req) |
|
182 | rep.input_requested.disconnect(self._handle_req) | |
198 |
|
183 | |||
199 | # Handle the case where the old kernel manager is still listening. |
|
184 | # Handle the case where the old kernel manager is still listening. | |
200 | if self._kernel_manager.channels_running: |
|
185 | if self._kernel_manager.channels_running: | |
201 | self._stopped_channels() |
|
186 | self._stopped_channels() | |
202 |
|
187 | |||
203 | # Set the new kernel manager. |
|
188 | # Set the new kernel manager. | |
204 | self._kernel_manager = kernel_manager |
|
189 | self._kernel_manager = kernel_manager | |
205 | if kernel_manager is None: |
|
190 | if kernel_manager is None: | |
206 | return |
|
191 | return | |
207 |
|
192 | |||
208 | # Connect the new kernel manager. |
|
193 | # Connect the new kernel manager. | |
209 | kernel_manager.started_channels.connect(self._started_channels) |
|
194 | kernel_manager.started_channels.connect(self._started_channels) | |
210 | kernel_manager.stopped_channels.connect(self._stopped_channels) |
|
195 | kernel_manager.stopped_channels.connect(self._stopped_channels) | |
211 |
|
196 | |||
212 | # Connect the new kernel manager's channels. |
|
197 | # Connect the new kernel manager's channels. | |
213 | sub = kernel_manager.sub_channel |
|
198 | sub = kernel_manager.sub_channel | |
214 | xreq = kernel_manager.xreq_channel |
|
199 | xreq = kernel_manager.xreq_channel | |
215 | rep = kernel_manager.rep_channel |
|
200 | rep = kernel_manager.rep_channel | |
216 | sub.message_received.connect(self._handle_sub) |
|
201 | sub.message_received.connect(self._handle_sub) | |
217 | xreq.execute_reply.connect(self._handle_execute_reply) |
|
202 | xreq.execute_reply.connect(self._handle_execute_reply) | |
218 | xreq.complete_reply.connect(self._handle_complete_reply) |
|
203 | xreq.complete_reply.connect(self._handle_complete_reply) | |
219 | xreq.object_info_reply.connect(self._handle_object_info_reply) |
|
204 | xreq.object_info_reply.connect(self._handle_object_info_reply) | |
220 | rep.input_requested.connect(self._handle_req) |
|
205 | rep.input_requested.connect(self._handle_req) | |
221 |
|
206 | |||
222 | # Handle the case where the kernel manager started channels before |
|
207 | # Handle the case where the kernel manager started channels before | |
223 | # we connected. |
|
208 | # we connected. | |
224 | if kernel_manager.channels_running: |
|
209 | if kernel_manager.channels_running: | |
225 | self._started_channels() |
|
210 | self._started_channels() | |
226 |
|
211 | |||
227 | kernel_manager = property(_get_kernel_manager, _set_kernel_manager) |
|
212 | kernel_manager = property(_get_kernel_manager, _set_kernel_manager) | |
228 |
|
213 | |||
229 | #--------------------------------------------------------------------------- |
|
214 | #--------------------------------------------------------------------------- | |
230 | # 'FrontendWidget' protected interface |
|
215 | # 'FrontendWidget' protected interface | |
231 | #--------------------------------------------------------------------------- |
|
216 | #--------------------------------------------------------------------------- | |
232 |
|
217 | |||
233 | def _call_tip(self): |
|
218 | def _call_tip(self): | |
234 | """ Shows a call tip, if appropriate, at the current cursor location. |
|
219 | """ Shows a call tip, if appropriate, at the current cursor location. | |
235 | """ |
|
220 | """ | |
236 | # Decide if it makes sense to show a call tip |
|
221 | # Decide if it makes sense to show a call tip | |
237 | cursor = self._get_cursor() |
|
222 | cursor = self._get_cursor() | |
238 | cursor.movePosition(QtGui.QTextCursor.Left) |
|
223 | cursor.movePosition(QtGui.QTextCursor.Left) | |
239 | document = self._control.document() |
|
224 | document = self._control.document() | |
240 | if document.characterAt(cursor.position()).toAscii() != '(': |
|
225 | if document.characterAt(cursor.position()).toAscii() != '(': | |
241 | return False |
|
226 | return False | |
242 | context = self._get_context(cursor) |
|
227 | context = self._get_context(cursor) | |
243 | if not context: |
|
228 | if not context: | |
244 | return False |
|
229 | return False | |
245 |
|
230 | |||
246 | # Send the metadata request to the kernel |
|
231 | # Send the metadata request to the kernel | |
247 | name = '.'.join(context) |
|
232 | name = '.'.join(context) | |
248 | self._calltip_id = self.kernel_manager.xreq_channel.object_info(name) |
|
233 | self._call_tip_id = self.kernel_manager.xreq_channel.object_info(name) | |
249 | self._calltip_pos = self._get_cursor().position() |
|
234 | self._call_tip_pos = self._get_cursor().position() | |
250 | return True |
|
235 | return True | |
251 |
|
236 | |||
252 | def _complete(self): |
|
237 | def _complete(self): | |
253 | """ Performs completion at the current cursor location. |
|
238 | """ Performs completion at the current cursor location. | |
254 | """ |
|
239 | """ | |
255 | # Decide if it makes sense to do completion |
|
240 | # Decide if it makes sense to do completion | |
256 | context = self._get_context() |
|
241 | context = self._get_context() | |
257 | if not context: |
|
242 | if not context: | |
258 | return False |
|
243 | return False | |
259 |
|
244 | |||
260 | # Send the completion request to the kernel |
|
245 | # Send the completion request to the kernel | |
261 | text = '.'.join(context) |
|
246 | text = '.'.join(context) | |
262 | self._complete_id = self.kernel_manager.xreq_channel.complete( |
|
247 | self._complete_id = self.kernel_manager.xreq_channel.complete( | |
263 | text, self.input_buffer_cursor_line, self.input_buffer) |
|
248 | text, self.input_buffer_cursor_line, self.input_buffer) | |
264 | self._complete_pos = self._get_cursor().position() |
|
249 | self._complete_pos = self._get_cursor().position() | |
265 | return True |
|
250 | return True | |
266 |
|
251 | |||
267 | def _get_banner(self): |
|
252 | def _get_banner(self): | |
268 | """ Gets a banner to display at the beginning of a session. |
|
253 | """ Gets a banner to display at the beginning of a session. | |
269 | """ |
|
254 | """ | |
270 | banner = 'Python %s on %s\nType "help", "copyright", "credits" or ' \ |
|
255 | banner = 'Python %s on %s\nType "help", "copyright", "credits" or ' \ | |
271 | '"license" for more information.' |
|
256 | '"license" for more information.' | |
272 | return banner % (sys.version, sys.platform) |
|
257 | return banner % (sys.version, sys.platform) | |
273 |
|
258 | |||
274 | def _get_context(self, cursor=None): |
|
259 | def _get_context(self, cursor=None): | |
275 | """ Gets the context at the current cursor location. |
|
260 | """ Gets the context at the current cursor location. | |
276 | """ |
|
261 | """ | |
277 | if cursor is None: |
|
262 | if cursor is None: | |
278 | cursor = self._get_cursor() |
|
263 | cursor = self._get_cursor() | |
279 | cursor.movePosition(QtGui.QTextCursor.StartOfLine, |
|
264 | cursor.movePosition(QtGui.QTextCursor.StartOfLine, | |
280 | QtGui.QTextCursor.KeepAnchor) |
|
265 | QtGui.QTextCursor.KeepAnchor) | |
281 | text = str(cursor.selection().toPlainText()) |
|
266 | text = str(cursor.selection().toPlainText()) | |
282 | return self._completion_lexer.get_context(text) |
|
267 | return self._completion_lexer.get_context(text) | |
283 |
|
268 | |||
284 | def _interrupt_kernel(self): |
|
269 | def _interrupt_kernel(self): | |
285 | """ Attempts to the interrupt the kernel. |
|
270 | """ Attempts to the interrupt the kernel. | |
286 | """ |
|
271 | """ | |
287 | if self.kernel_manager.has_kernel: |
|
272 | if self.kernel_manager.has_kernel: | |
288 | self.kernel_manager.signal_kernel(signal.SIGINT) |
|
273 | self.kernel_manager.signal_kernel(signal.SIGINT) | |
289 | else: |
|
274 | else: | |
290 | self._append_plain_text('Kernel process is either remote or ' |
|
275 | self._append_plain_text('Kernel process is either remote or ' | |
291 | 'unspecified. Cannot interrupt.\n') |
|
276 | 'unspecified. Cannot interrupt.\n') | |
292 |
|
277 | |||
293 | def _show_interpreter_prompt(self): |
|
278 | def _show_interpreter_prompt(self): | |
294 | """ Shows a prompt for the interpreter. |
|
279 | """ Shows a prompt for the interpreter. | |
295 | """ |
|
280 | """ | |
296 | self._show_prompt('>>> ') |
|
281 | self._show_prompt('>>> ') | |
297 |
|
282 | |||
298 | #------ Signal handlers ---------------------------------------------------- |
|
283 | #------ Signal handlers ---------------------------------------------------- | |
299 |
|
284 | |||
300 | def _started_channels(self): |
|
285 | def _started_channels(self): | |
301 | """ Called when the kernel manager has started listening. |
|
286 | """ Called when the kernel manager has started listening. | |
302 | """ |
|
287 | """ | |
303 | self._reset() |
|
288 | self._reset() | |
304 | self._append_plain_text(self._get_banner()) |
|
289 | self._append_plain_text(self._get_banner()) | |
305 | self._show_interpreter_prompt() |
|
290 | self._show_interpreter_prompt() | |
306 |
|
291 | |||
307 | def _stopped_channels(self): |
|
292 | def _stopped_channels(self): | |
308 | """ Called when the kernel manager has stopped listening. |
|
293 | """ Called when the kernel manager has stopped listening. | |
309 | """ |
|
294 | """ | |
310 | # FIXME: Print a message here? |
|
295 | # FIXME: Print a message here? | |
311 | pass |
|
296 | pass | |
312 |
|
297 | |||
313 | def _document_contents_change(self, position, removed, added): |
|
298 | def _document_contents_change(self, position, removed, added): | |
314 | """ Called whenever the document's content changes. Display a calltip |
|
299 | """ Called whenever the document's content changes. Display a call tip | |
315 | if appropriate. |
|
300 | if appropriate. | |
316 | """ |
|
301 | """ | |
317 | # Calculate where the cursor should be *after* the change: |
|
302 | # Calculate where the cursor should be *after* the change: | |
318 | position += added |
|
303 | position += added | |
319 |
|
304 | |||
320 | document = self._control.document() |
|
305 | document = self._control.document() | |
321 | if position == self._get_cursor().position(): |
|
306 | if position == self._get_cursor().position(): | |
322 | self._call_tip() |
|
307 | self._call_tip() | |
323 |
|
308 | |||
324 | def _handle_req(self, req): |
|
309 | def _handle_req(self, req): | |
325 | # Make sure that all output from the SUB channel has been processed |
|
310 | # Make sure that all output from the SUB channel has been processed | |
326 | # before entering readline mode. |
|
311 | # before entering readline mode. | |
327 | self.kernel_manager.sub_channel.flush() |
|
312 | self.kernel_manager.sub_channel.flush() | |
328 |
|
313 | |||
329 | def callback(line): |
|
314 | def callback(line): | |
330 | self.kernel_manager.rep_channel.input(line) |
|
315 | self.kernel_manager.rep_channel.input(line) | |
331 | self._readline(req['content']['prompt'], callback=callback) |
|
316 | self._readline(req['content']['prompt'], callback=callback) | |
332 |
|
317 | |||
333 | def _handle_sub(self, omsg): |
|
318 | def _handle_sub(self, omsg): | |
334 | if self._hidden: |
|
319 | if self._hidden: | |
335 | return |
|
320 | return | |
336 | handler = getattr(self, '_handle_%s' % omsg['msg_type'], None) |
|
321 | handler = getattr(self, '_handle_%s' % omsg['msg_type'], None) | |
337 | if handler is not None: |
|
322 | if handler is not None: | |
338 | handler(omsg) |
|
323 | handler(omsg) | |
339 |
|
324 | |||
340 | def _handle_pyout(self, omsg): |
|
325 | def _handle_pyout(self, omsg): | |
341 | self._append_plain_text(omsg['content']['data'] + '\n') |
|
326 | self._append_plain_text(omsg['content']['data'] + '\n') | |
342 |
|
327 | |||
343 | def _handle_stream(self, omsg): |
|
328 | def _handle_stream(self, omsg): | |
344 | self._append_plain_text(omsg['content']['data']) |
|
329 | self._append_plain_text(omsg['content']['data']) | |
345 | self._control.moveCursor(QtGui.QTextCursor.End) |
|
330 | self._control.moveCursor(QtGui.QTextCursor.End) | |
346 |
|
331 | |||
347 | def _handle_execute_reply(self, reply): |
|
332 | def _handle_execute_reply(self, reply): | |
348 | if self._hidden: |
|
333 | if self._hidden: | |
349 | return |
|
334 | return | |
350 |
|
335 | |||
351 | # Make sure that all output from the SUB channel has been processed |
|
336 | # Make sure that all output from the SUB channel has been processed | |
352 | # before writing a new prompt. |
|
337 | # before writing a new prompt. | |
353 | self.kernel_manager.sub_channel.flush() |
|
338 | self.kernel_manager.sub_channel.flush() | |
354 |
|
339 | |||
355 | status = reply['content']['status'] |
|
340 | status = reply['content']['status'] | |
356 | if status == 'error': |
|
341 | if status == 'error': | |
357 | self._handle_execute_error(reply) |
|
342 | self._handle_execute_error(reply) | |
358 | elif status == 'aborted': |
|
343 | elif status == 'aborted': | |
359 | text = "ERROR: ABORTED\n" |
|
344 | text = "ERROR: ABORTED\n" | |
360 | self._append_plain_text(text) |
|
345 | self._append_plain_text(text) | |
361 | self._hidden = True |
|
346 | self._hidden = True | |
362 | self._show_interpreter_prompt() |
|
347 | self._show_interpreter_prompt() | |
363 | self.executed.emit(reply) |
|
348 | self.executed.emit(reply) | |
364 |
|
349 | |||
365 | def _handle_execute_error(self, reply): |
|
350 | def _handle_execute_error(self, reply): | |
366 | content = reply['content'] |
|
351 | content = reply['content'] | |
367 | traceback = ''.join(content['traceback']) |
|
352 | traceback = ''.join(content['traceback']) | |
368 | self._append_plain_text(traceback) |
|
353 | self._append_plain_text(traceback) | |
369 |
|
354 | |||
370 | def _handle_complete_reply(self, rep): |
|
355 | def _handle_complete_reply(self, rep): | |
371 | cursor = self._get_cursor() |
|
356 | cursor = self._get_cursor() | |
372 | if rep['parent_header']['msg_id'] == self._complete_id and \ |
|
357 | if rep['parent_header']['msg_id'] == self._complete_id and \ | |
373 | cursor.position() == self._complete_pos: |
|
358 | cursor.position() == self._complete_pos: | |
374 | text = '.'.join(self._get_context()) |
|
359 | text = '.'.join(self._get_context()) | |
375 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(text)) |
|
360 | cursor.movePosition(QtGui.QTextCursor.Left, n=len(text)) | |
376 | self._complete_with_items(cursor, rep['content']['matches']) |
|
361 | self._complete_with_items(cursor, rep['content']['matches']) | |
377 |
|
362 | |||
378 | def _handle_object_info_reply(self, rep): |
|
363 | def _handle_object_info_reply(self, rep): | |
379 | cursor = self._get_cursor() |
|
364 | cursor = self._get_cursor() | |
380 | if rep['parent_header']['msg_id'] == self._calltip_id and \ |
|
365 | if rep['parent_header']['msg_id'] == self._call_tip_id and \ | |
381 | cursor.position() == self._calltip_pos: |
|
366 | cursor.position() == self._call_tip_pos: | |
382 | doc = rep['content']['docstring'] |
|
367 | doc = rep['content']['docstring'] | |
383 | if doc: |
|
368 | if doc: | |
384 | self._call_tip_widget.show_docstring(doc) |
|
369 | self._call_tip_widget.show_docstring(doc) |
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