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@@ -34,22 +34,32 b' class CallTipWidget(QtGui.QLabel):' | |||||
34 | self.setWindowOpacity(self.style().styleHint( |
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34 | self.setWindowOpacity(self.style().styleHint( | |
35 | QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self) / 255.0) |
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35 | QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self) / 255.0) | |
36 |
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36 | |||
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37 | def eventFilter(self, obj, event): | |||
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38 | """ Reimplemented to hide on certain key presses and on parent focus | |||
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39 | changes. | |||
|
40 | """ | |||
|
41 | if obj == self.parent(): | |||
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42 | etype = event.type() | |||
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43 | if (etype == QtCore.QEvent.KeyPress and | |||
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44 | event.key() in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, | |||
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45 | QtCore.Qt.Key_Escape)): | |||
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46 | self.hide() | |||
|
47 | elif etype == QtCore.QEvent.FocusOut: | |||
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48 | self.hide() | |||
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49 | ||||
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50 | return QtGui.QLabel.eventFilter(self, obj, event) | |||
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51 | ||||
37 | #-------------------------------------------------------------------------- |
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52 | #-------------------------------------------------------------------------- | |
38 | # 'QWidget' interface |
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53 | # 'QWidget' interface | |
39 | #-------------------------------------------------------------------------- |
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54 | #-------------------------------------------------------------------------- | |
40 |
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55 | |||
41 | def hideEvent(self, event): |
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56 | def hideEvent(self, event): | |
42 |
""" Reimplemented to disconnect |
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57 | """ Reimplemented to disconnect signal handlers and event filter. | |
43 | """ |
|
58 | """ | |
44 | QtGui.QLabel.hideEvent(self, event) |
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59 | QtGui.QLabel.hideEvent(self, event) | |
45 | self.parent().cursorPositionChanged.disconnect(self._update_tip) |
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60 | parent = self.parent() | |
46 |
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61 | parent.cursorPositionChanged.disconnect(self._cursor_position_changed) | ||
47 | def keyPressEvent(self, event): |
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62 | parent.removeEventFilter(self) | |
48 | """ Reimplemented to hide on certain key presses. |
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49 | """ |
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50 | if event.key() in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return, |
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51 | QtCore.Qt.Key_Escape): |
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52 | self.hide() |
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53 |
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63 | |||
54 | def paintEvent(self, event): |
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64 | def paintEvent(self, event): | |
55 | """ Reimplemented to paint the background panel. |
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65 | """ Reimplemented to paint the background panel. | |
@@ -63,10 +73,12 b' class CallTipWidget(QtGui.QLabel):' | |||||
63 | QtGui.QLabel.paintEvent(self, event) |
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73 | QtGui.QLabel.paintEvent(self, event) | |
64 |
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74 | |||
65 | def showEvent(self, event): |
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75 | def showEvent(self, event): | |
66 |
""" Reimplemented to connect |
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76 | """ Reimplemented to connect signal handlers and event filter. | |
67 | """ |
|
77 | """ | |
68 | QtGui.QLabel.showEvent(self, event) |
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78 | QtGui.QLabel.showEvent(self, event) | |
69 | self.parent().cursorPositionChanged.connect(self._update_tip) |
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79 | parent = self.parent() | |
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80 | parent.cursorPositionChanged.connect(self._cursor_position_changed) | |||
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81 | parent.installEventFilter(self) | |||
70 |
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82 | |||
71 | #-------------------------------------------------------------------------- |
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83 | #-------------------------------------------------------------------------- | |
72 | # 'CallTipWidget' interface |
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84 | # 'CallTipWidget' interface | |
@@ -139,38 +151,9 b' class CallTipWidget(QtGui.QLabel):' | |||||
139 | position = -1 |
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151 | position = -1 | |
140 | return position, commas |
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152 | return position, commas | |
141 |
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153 | |||
142 | def _highlight_tip(self, tip, current_argument): |
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154 | #------ Signal handlers ---------------------------------------------------- | |
143 | """ Highlight the current argument (arguments start at 0), ending at the |
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144 | next comma or unmatched closing parenthesis. |
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145 |
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146 | FIXME: This is an unreliable way to do things and it isn't being |
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147 | used right now. Instead, we should use inspect.getargspec |
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148 | metadata for this purpose. |
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149 | """ |
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150 | start = tip.find('(') |
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151 | if start != -1: |
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152 | for i in xrange(current_argument): |
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153 | start = tip.find(',', start) |
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154 | if start != -1: |
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155 | end = start + 1 |
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156 | while end < len(tip): |
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157 | char = tip[end] |
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158 | depth = 0 |
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159 | if (char == ',' and depth == 0): |
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160 | break |
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161 | elif char == '(': |
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162 | depth += 1 |
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163 | elif char == ')': |
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164 | if depth == 0: |
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165 | break |
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166 | depth -= 1 |
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167 | end += 1 |
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168 | tip = tip[:start+1] + '<font color="blue">' + \ |
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169 | tip[start+1:end] + '</font>' + tip[end:] |
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170 | tip = tip.replace('\n', '<br/>') |
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171 | return tip |
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172 |
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155 | |||
173 |
def _ |
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156 | def _cursor_position_changed(self): | |
174 | """ Updates the tip based on user cursor movement. |
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157 | """ Updates the tip based on user cursor movement. | |
175 | """ |
|
158 | """ | |
176 | cursor = self.parent().textCursor() |
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159 | cursor = self.parent().textCursor() |
@@ -7,7 +7,7 b' class CompletionWidget(QtGui.QListWidget):' | |||||
7 | """ |
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7 | """ | |
8 |
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8 | |||
9 | #-------------------------------------------------------------------------- |
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9 | #-------------------------------------------------------------------------- | |
10 |
# 'Q |
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10 | # 'QObject' interface | |
11 | #-------------------------------------------------------------------------- |
|
11 | #-------------------------------------------------------------------------- | |
12 |
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12 | |||
13 | def __init__(self, parent): |
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13 | def __init__(self, parent): | |
@@ -28,43 +28,55 b' class CompletionWidget(QtGui.QListWidget):' | |||||
28 |
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28 | |||
29 | self.itemActivated.connect(self._complete_current) |
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29 | self.itemActivated.connect(self._complete_current) | |
30 |
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30 | |||
31 |
def |
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31 | def eventFilter(self, obj, event): | |
32 | """ Reimplemented to disconnect the cursor movement handler. |
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32 | """ Reimplemented to handle keyboard input and to auto-hide when our | |
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33 | parent loses focus. | |||
33 | """ |
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34 | """ | |
34 | QtGui.QListWidget.hideEvent(self, event) |
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35 | if obj == self.parent(): | |
35 | try: |
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36 | etype = event.type() | |
36 | self.parent().cursorPositionChanged.disconnect(self._update_current) |
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37 | except TypeError: |
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38 | pass |
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39 |
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37 | |||
40 | def keyPressEvent(self, event): |
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38 | if etype == QtCore.QEvent.KeyPress: | |
41 | """ Reimplemented to update the list. |
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42 | """ |
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43 | key, text = event.key(), event.text() |
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39 | key, text = event.key(), event.text() | |
44 |
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45 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, |
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40 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, | |
46 | QtCore.Qt.Key_Tab): |
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41 | QtCore.Qt.Key_Tab): | |
47 | self._complete_current() |
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42 | self._complete_current() | |
48 | event.accept() |
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43 | return True | |
49 |
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50 | elif key == QtCore.Qt.Key_Escape: |
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44 | elif key == QtCore.Qt.Key_Escape: | |
51 | self.hide() |
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45 | self.hide() | |
52 | event.accept() |
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46 | return True | |
53 |
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54 | elif key in (QtCore.Qt.Key_Up, QtCore.Qt.Key_Down, |
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47 | elif key in (QtCore.Qt.Key_Up, QtCore.Qt.Key_Down, | |
55 | QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown, |
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48 | QtCore.Qt.Key_PageUp, QtCore.Qt.Key_PageDown, | |
56 | QtCore.Qt.Key_Home, QtCore.Qt.Key_End): |
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49 | QtCore.Qt.Key_Home, QtCore.Qt.Key_End): | |
57 | QtGui.QListWidget.keyPressEvent(self, event) |
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50 | QtGui.QListWidget.keyPressEvent(self, event) | |
58 | event.accept() |
|
51 | return True | |
59 |
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52 | |||
60 | else: |
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53 | elif etype == QtCore.QEvent.FocusOut: | |
61 |
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54 | self.hide() | |
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55 | ||||
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56 | return QtGui.QListWidget.eventFilter(self, obj, event) | |||
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57 | ||||
|
58 | #-------------------------------------------------------------------------- | |||
|
59 | # 'QWidget' interface | |||
|
60 | #-------------------------------------------------------------------------- | |||
|
61 | ||||
|
62 | def hideEvent(self, event): | |||
|
63 | """ Reimplemented to disconnect signal handlers and event filter. | |||
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64 | """ | |||
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65 | QtGui.QListWidget.hideEvent(self, event) | |||
|
66 | parent = self.parent() | |||
|
67 | try: | |||
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68 | parent.cursorPositionChanged.disconnect(self._update_current) | |||
|
69 | except TypeError: | |||
|
70 | pass | |||
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71 | parent.removeEventFilter(self) | |||
62 |
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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) |
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76 | QtGui.QListWidget.showEvent(self, event) | |
67 | self.parent().cursorPositionChanged.connect(self._update_current) |
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77 | parent = self.parent() | |
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78 | parent.cursorPositionChanged.connect(self._update_current) | |||
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79 | parent.installEventFilter(self) | |||
68 |
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80 | |||
69 | #-------------------------------------------------------------------------- |
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81 | #-------------------------------------------------------------------------- | |
70 | # 'CompletionWidget' interface |
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82 | # 'CompletionWidget' interface |
@@ -56,8 +56,7 b' class ConsoleWidget(QtGui.QWidget):' | |||||
56 | ---------- |
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56 | ---------- | |
57 | kind : str, optional [default 'plain'] |
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57 | kind : str, optional [default 'plain'] | |
58 | The type of text widget to use. Valid values are 'plain', which |
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58 | The type of text widget to use. Valid values are 'plain', which | |
59 |
specifies a QPlainTextEdit, and 'rich', which specifies a |
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59 | specifies a QPlainTextEdit, and 'rich', which specifies a QTextEdit. | |
60 | QTextEdit. |
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61 |
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60 | |||
62 | parent : QWidget, optional [default None] |
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61 | parent : QWidget, optional [default None] | |
63 | The parent for this widget. |
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62 | The parent for this widget. | |
@@ -332,6 +331,12 b' class ConsoleWidget(QtGui.QWidget):' | |||||
332 | """ |
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331 | """ | |
333 | raise NotImplementedError |
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332 | raise NotImplementedError | |
334 |
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333 | |||
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334 | def _execute_interrupt(self): | |||
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335 | """ Attempts to stop execution. Returns whether this method has an | |||
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336 | implementation. | |||
|
337 | """ | |||
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338 | return False | |||
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339 | ||||
335 | def _prompt_started_hook(self): |
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340 | def _prompt_started_hook(self): | |
336 | """ Called immediately after a new prompt is displayed. |
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341 | """ Called immediately after a new prompt is displayed. | |
337 | """ |
|
342 | """ | |
@@ -469,12 +474,6 b' class ConsoleWidget(QtGui.QWidget):' | |||||
469 | QtGui.qApp.sendEvent(self._control, new_event) |
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474 | QtGui.qApp.sendEvent(self._control, new_event) | |
470 | return True |
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475 | return True | |
471 |
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476 | |||
472 | # If the completion widget accepts the key press, return immediately. |
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473 | if self._completion_widget.isVisible(): |
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474 | self._completion_widget.keyPressEvent(event) |
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475 | if event.isAccepted(): |
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476 | return True |
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477 |
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478 | # Otherwise, proceed normally and do not return early. |
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477 | # Otherwise, proceed normally and do not return early. | |
479 | intercepted = False |
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478 | intercepted = False | |
480 | cursor = self._control.textCursor() |
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479 | cursor = self._control.textCursor() | |
@@ -488,7 +487,10 b' class ConsoleWidget(QtGui.QWidget):' | |||||
488 | intercepted = True |
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487 | intercepted = True | |
489 |
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488 | |||
490 | elif ctrl_down: |
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489 | elif ctrl_down: | |
491 |
if key == QtCore.Qt.Key_ |
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490 | if key == QtCore.Qt.Key_C and self._executing: | |
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491 | intercepted = self._execute_interrupt() | |||
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492 | ||||
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493 | elif key == QtCore.Qt.Key_K: | |||
492 | if self._in_buffer(position): |
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494 | if self._in_buffer(position): | |
493 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, |
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495 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, | |
494 | QtGui.QTextCursor.KeepAnchor) |
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496 | QtGui.QTextCursor.KeepAnchor) |
@@ -91,28 +91,6 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
91 | document.contentsChange.connect(self._document_contents_change) |
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91 | document.contentsChange.connect(self._document_contents_change) | |
92 |
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92 | |||
93 | #--------------------------------------------------------------------------- |
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93 | #--------------------------------------------------------------------------- | |
94 | # 'QWidget' interface |
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95 | #--------------------------------------------------------------------------- |
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96 |
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97 | def focusOutEvent(self, event): |
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98 | """ Reimplemented to hide calltips. |
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99 | """ |
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100 | self._call_tip_widget.hide() |
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101 | super(FrontendWidget, self).focusOutEvent(event) |
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102 |
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103 | def keyPressEvent(self, event): |
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104 | """ Reimplemented to allow calltips to process events and to send |
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105 | signals to the kernel. |
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106 | """ |
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107 | if self._executing and event.key() == QtCore.Qt.Key_C and \ |
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108 | self._control_down(event.modifiers()): |
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109 | self._interrupt_kernel() |
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110 | else: |
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111 | if self._call_tip_widget.isVisible(): |
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112 | self._call_tip_widget.keyPressEvent(event) |
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113 | super(FrontendWidget, self).keyPressEvent(event) |
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114 |
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115 | #--------------------------------------------------------------------------- |
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116 | # 'ConsoleWidget' abstract interface |
|
94 | # 'ConsoleWidget' abstract interface | |
117 | #--------------------------------------------------------------------------- |
|
95 | #--------------------------------------------------------------------------- | |
118 |
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96 | |||
@@ -132,6 +110,13 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
132 | self.kernel_manager.xreq_channel.execute(source) |
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110 | self.kernel_manager.xreq_channel.execute(source) | |
133 | self._hidden = hidden |
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111 | self._hidden = hidden | |
134 |
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112 | |||
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113 | def _execute_interrupt(self): | |||
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114 | """ Attempts to stop execution. Returns whether this method has an | |||
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115 | implementation. | |||
|
116 | """ | |||
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117 | self._interrupt_kernel() | |||
|
118 | return True | |||
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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 | """ | |
@@ -245,8 +230,8 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
245 |
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230 | |||
246 | # Send the metadata request to the kernel |
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231 | # Send the metadata request to the kernel | |
247 | name = '.'.join(context) |
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232 | name = '.'.join(context) | |
248 | self._calltip_id = self.kernel_manager.xreq_channel.object_info(name) |
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233 | self._call_tip_id = self.kernel_manager.xreq_channel.object_info(name) | |
249 | self._calltip_pos = self._get_cursor().position() |
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234 | self._call_tip_pos = self._get_cursor().position() | |
250 | return True |
|
235 | return True | |
251 |
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236 | |||
252 | def _complete(self): |
|
237 | def _complete(self): | |
@@ -377,8 +362,8 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
377 |
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362 | |||
378 | def _handle_object_info_reply(self, rep): |
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363 | def _handle_object_info_reply(self, rep): | |
379 | cursor = self._get_cursor() |
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364 | cursor = self._get_cursor() | |
380 | if rep['parent_header']['msg_id'] == self._calltip_id and \ |
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365 | if rep['parent_header']['msg_id'] == self._call_tip_id and \ | |
381 | cursor.position() == self._calltip_pos: |
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366 | cursor.position() == self._call_tip_pos: | |
382 | doc = rep['content']['docstring'] |
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367 | doc = rep['content']['docstring'] | |
383 | if doc: |
|
368 | if doc: | |
384 | self._call_tip_widget.show_docstring(doc) |
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369 | self._call_tip_widget.show_docstring(doc) |
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