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This diff has been collapsed as it changes many lines, (683 lines changed) Show them Hide them | |||||
@@ -9,7 +9,7 b' from ansi_code_processor import QtAnsiCodeProcessor' | |||||
9 | from completion_widget import CompletionWidget |
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9 | from completion_widget import CompletionWidget | |
10 |
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10 | |||
11 |
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11 | |||
12 |
class ConsoleWidget(QtGui.Q |
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12 | class ConsoleWidget(QtGui.QWidget): | |
13 | """ Base class for console-type widgets. This class is mainly concerned with |
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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 |
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14 | dealing with the prompt, keeping the cursor inside the editing line, and | |
15 | handling ANSI escape sequences. |
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15 | handling ANSI escape sequences. | |
@@ -29,6 +29,11 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
29 | # priority (when it has focus) over, e.g., window-level menu shortcuts. |
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29 | # priority (when it has focus) over, e.g., window-level menu shortcuts. | |
30 | override_shortcuts = False |
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30 | override_shortcuts = False | |
31 |
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31 | |||
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32 | # Signals that indicate ConsoleWidget state. | |||
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33 | copy_available = QtCore.pyqtSignal(bool) | |||
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34 | redo_available = QtCore.pyqtSignal(bool) | |||
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35 | undo_available = QtCore.pyqtSignal(bool) | |||
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36 | ||||
32 | # Protected class variables. |
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37 | # Protected class variables. | |
33 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, |
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38 | _ctrl_down_remap = { QtCore.Qt.Key_B : QtCore.Qt.Key_Left, | |
34 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, |
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39 | QtCore.Qt.Key_F : QtCore.Qt.Key_Right, | |
@@ -44,13 +49,28 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
44 | # 'QObject' interface |
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49 | # 'QObject' interface | |
45 | #--------------------------------------------------------------------------- |
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50 | #--------------------------------------------------------------------------- | |
46 |
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51 | |||
47 | def __init__(self, parent=None): |
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52 | def __init__(self, kind='plain', parent=None): | |
48 | QtGui.QPlainTextEdit.__init__(self, parent) |
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53 | """ Create a ConsoleWidget. | |
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54 | ||||
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55 | Parameters | |||
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56 | ---------- | |||
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57 | kind : str, optional [default 'plain'] | |||
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58 | The type of text widget to use. Valid values are 'plain', which | |||
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59 | specifies a QPlainTextEdit, and 'rich', which specifies an | |||
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60 | QTextEdit. | |||
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61 | ||||
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62 | parent : QWidget, optional [default None] | |||
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63 | The parent for this widget. | |||
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64 | """ | |||
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65 | super(ConsoleWidget, self).__init__(parent) | |||
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66 | ||||
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67 | # Create the underlying text widget. | |||
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68 | self._control = self._create_control(kind) | |||
49 |
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69 | |||
50 | # Initialize protected variables. Some variables contain useful state |
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70 | # Initialize protected variables. Some variables contain useful state | |
51 | # information for subclasses; they should be considered read-only. |
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71 | # information for subclasses; they should be considered read-only. | |
52 | self._ansi_processor = QtAnsiCodeProcessor() |
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72 | self._ansi_processor = QtAnsiCodeProcessor() | |
53 | self._completion_widget = CompletionWidget(self) |
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73 | self._completion_widget = CompletionWidget(self._control) | |
54 | self._continuation_prompt = '> ' |
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74 | self._continuation_prompt = '> ' | |
55 | self._continuation_prompt_html = None |
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75 | self._continuation_prompt_html = None | |
56 | self._executing = False |
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76 | self._executing = False | |
@@ -64,249 +84,51 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
64 | # Set a monospaced font. |
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84 | # Set a monospaced font. | |
65 | self.reset_font() |
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85 | self.reset_font() | |
66 |
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86 | |||
67 | # Define a custom context menu. |
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87 | def eventFilter(self, obj, event): | |
68 | self._context_menu = QtGui.QMenu(self) |
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88 | """ Reimplemented to ensure a console-like behavior in the underlying | |
69 |
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89 | text widget. | ||
70 | copy_action = QtGui.QAction('Copy', self) |
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71 | copy_action.triggered.connect(self.copy) |
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72 | self.copyAvailable.connect(copy_action.setEnabled) |
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73 | self._context_menu.addAction(copy_action) |
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74 |
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75 | self._paste_action = QtGui.QAction('Paste', self) |
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76 | self._paste_action.triggered.connect(self.paste) |
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77 | self._context_menu.addAction(self._paste_action) |
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78 | self._context_menu.addSeparator() |
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79 |
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80 | select_all_action = QtGui.QAction('Select All', self) |
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81 | select_all_action.triggered.connect(self.selectAll) |
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82 | self._context_menu.addAction(select_all_action) |
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83 |
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84 | def event(self, event): |
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85 | """ Reimplemented to override shortcuts, if necessary. |
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86 | """ |
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87 | # On Mac OS, it is always unnecessary to override shortcuts, hence the |
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88 | # check below. Users should just use the Control key instead of the |
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89 | # Command key. |
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90 | if self.override_shortcuts and \ |
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91 | sys.platform != 'darwin' and \ |
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92 | event.type() == QtCore.QEvent.ShortcutOverride and \ |
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93 | self._control_down(event.modifiers()) and \ |
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94 | event.key() in self._shortcuts: |
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95 | event.accept() |
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96 | return True |
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97 | else: |
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98 | return QtGui.QPlainTextEdit.event(self, event) |
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99 |
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100 | #--------------------------------------------------------------------------- |
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101 | # 'QWidget' interface |
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102 | #--------------------------------------------------------------------------- |
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103 |
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104 | def contextMenuEvent(self, event): |
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105 | """ Reimplemented to create a menu without destructive actions like |
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106 | 'Cut' and 'Delete'. |
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107 | """ |
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108 | clipboard_empty = QtGui.QApplication.clipboard().text().isEmpty() |
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109 | self._paste_action.setEnabled(not clipboard_empty) |
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110 |
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111 | self._context_menu.exec_(event.globalPos()) |
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112 |
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113 | def dragMoveEvent(self, event): |
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114 | """ Reimplemented to disable moving text by drag and drop. |
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115 | """ |
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116 | event.ignore() |
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117 |
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118 | def keyPressEvent(self, event): |
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119 | """ Reimplemented to create a console-like interface. |
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120 | """ |
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90 | """ | |
121 | intercepted = False |
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91 | if obj == self._control: | |
122 | cursor = self.textCursor() |
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92 | etype = event.type() | |
123 | position = cursor.position() |
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124 | key = event.key() |
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125 | ctrl_down = self._control_down(event.modifiers()) |
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126 | alt_down = event.modifiers() & QtCore.Qt.AltModifier |
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127 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier |
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128 |
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129 | # Even though we have reimplemented 'paste', the C++ level slot is still |
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130 | # called by Qt. So we intercept the key press here. |
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131 | if event.matches(QtGui.QKeySequence.Paste): |
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132 | self.paste() |
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133 | intercepted = True |
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134 |
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135 | elif ctrl_down: |
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136 | if key in self._ctrl_down_remap: |
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137 | ctrl_down = False |
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138 | key = self._ctrl_down_remap[key] |
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139 | event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, key, |
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140 | QtCore.Qt.NoModifier) |
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141 |
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142 | elif key == QtCore.Qt.Key_K: |
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143 | if self._in_buffer(position): |
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144 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, |
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145 | QtGui.QTextCursor.KeepAnchor) |
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146 | cursor.removeSelectedText() |
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147 | intercepted = True |
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148 |
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149 | elif key == QtCore.Qt.Key_X: |
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150 | intercepted = True |
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151 |
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152 | elif key == QtCore.Qt.Key_Y: |
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153 | self.paste() |
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154 | intercepted = True |
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155 |
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156 | elif alt_down: |
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157 | if key == QtCore.Qt.Key_B: |
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158 | self.setTextCursor(self._get_word_start_cursor(position)) |
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159 | intercepted = True |
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160 |
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161 | elif key == QtCore.Qt.Key_F: |
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162 | self.setTextCursor(self._get_word_end_cursor(position)) |
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163 | intercepted = True |
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164 |
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165 | elif key == QtCore.Qt.Key_Backspace: |
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166 | cursor = self._get_word_start_cursor(position) |
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167 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
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168 | cursor.removeSelectedText() |
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169 | intercepted = True |
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170 |
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171 | elif key == QtCore.Qt.Key_D: |
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172 | cursor = self._get_word_end_cursor(position) |
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173 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) |
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174 | cursor.removeSelectedText() |
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175 | intercepted = True |
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176 |
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177 | if self._completion_widget.isVisible(): |
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178 | self._completion_widget.keyPressEvent(event) |
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179 | intercepted = event.isAccepted() |
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180 |
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181 | else: |
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182 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): |
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183 | if self._reading: |
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184 | self.appendPlainText('\n') |
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185 | self._reading = False |
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186 | if self._reading_callback: |
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187 | self._reading_callback() |
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188 | elif not self._executing: |
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189 | self.execute(interactive=True) |
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190 | intercepted = True |
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191 |
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192 | elif key == QtCore.Qt.Key_Up: |
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193 | if self._reading or not self._up_pressed(): |
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194 | intercepted = True |
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195 | else: |
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196 | prompt_line = self._get_prompt_cursor().blockNumber() |
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197 | intercepted = cursor.blockNumber() <= prompt_line |
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198 |
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199 | elif key == QtCore.Qt.Key_Down: |
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200 | if self._reading or not self._down_pressed(): |
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201 | intercepted = True |
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202 | else: |
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203 | end_line = self._get_end_cursor().blockNumber() |
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204 | intercepted = cursor.blockNumber() == end_line |
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205 |
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206 | elif key == QtCore.Qt.Key_Tab: |
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207 | if self._reading: |
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208 | intercepted = False |
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209 | else: |
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210 | intercepted = not self._tab_pressed() |
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211 |
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212 | elif key == QtCore.Qt.Key_Left: |
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213 | intercepted = not self._in_buffer(position - 1) |
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214 |
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93 | |||
215 | elif key == QtCore.Qt.Key_Home: |
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94 | # Disable moving text by drag and drop. | |
216 | cursor.movePosition(QtGui.QTextCursor.StartOfLine) |
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95 | if etype == QtCore.QEvent.DragMove: | |
217 | start_line = cursor.blockNumber() |
|
96 | return True | |
218 | if start_line == self._get_prompt_cursor().blockNumber(): |
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219 | start_pos = self._prompt_pos |
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220 | else: |
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221 | start_pos = cursor.position() |
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222 | start_pos += len(self._continuation_prompt) |
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223 | if shift_down and self._in_buffer(position): |
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224 | self._set_selection(position, start_pos) |
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225 | else: |
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226 | self._set_position(start_pos) |
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227 | intercepted = True |
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228 |
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97 | |||
229 |
elif |
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98 | elif etype == QtCore.QEvent.KeyPress: | |
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99 | return self._event_filter_keypress(event) | |||
230 |
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100 | |||
231 | # Line deletion (remove continuation prompt) |
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101 | # On Mac OS, it is always unnecessary to override shortcuts, hence | |
232 | len_prompt = len(self._continuation_prompt) |
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102 | # the check below. Users should just use the Control key instead of | |
233 | if not self._reading and \ |
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103 | # the Command key. | |
234 | cursor.columnNumber() == len_prompt and \ |
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104 | elif etype == QtCore.QEvent.ShortcutOverride: | |
235 | position != self._prompt_pos: |
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105 | if sys.platform != 'darwin' and \ | |
236 | cursor.setPosition(position - len_prompt, |
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106 | self._control_key_down(event.modifiers()) and \ | |
237 | QtGui.QTextCursor.KeepAnchor) |
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107 | event.key() in self._shortcuts: | |
238 |
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108 | event.accept() | |
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109 | return False | |||
239 |
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110 | |||
240 | # Regular backwards deletion |
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111 | return super(ConsoleWidget, self).eventFilter(obj, event) | |
241 | else: |
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242 | anchor = cursor.anchor() |
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243 | if anchor == position: |
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244 | intercepted = not self._in_buffer(position - 1) |
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245 | else: |
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246 | intercepted = not self._in_buffer(min(anchor, position)) |
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247 |
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248 | elif key == QtCore.Qt.Key_Delete: |
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249 | anchor = cursor.anchor() |
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250 | intercepted = not self._in_buffer(min(anchor, position)) |
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251 |
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252 | # Don't move cursor if control is down to allow copy-paste using |
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253 | # the keyboard in any part of the buffer. |
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254 | if not ctrl_down: |
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255 | self._keep_cursor_in_buffer() |
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256 |
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257 | if not intercepted: |
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258 | QtGui.QPlainTextEdit.keyPressEvent(self, event) |
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259 |
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260 | #-------------------------------------------------------------------------- |
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261 | # 'QPlainTextEdit' interface |
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262 | #-------------------------------------------------------------------------- |
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263 |
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112 | |||
264 | def appendHtml(self, html): |
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113 | #--------------------------------------------------------------------------- | |
265 | """ Reimplemented to not append HTML as a new paragraph, which doesn't |
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114 | # 'ConsoleWidget' public interface | |
266 | make sense for a console widget. |
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115 | #--------------------------------------------------------------------------- | |
267 | """ |
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268 | cursor = self._get_end_cursor() |
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269 | self._insert_html(cursor, html) |
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270 |
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271 | def appendPlainText(self, text): |
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272 | """ Reimplemented to not append text as a new paragraph, which doesn't |
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273 | make sense for a console widget. Also, if enabled, handle ANSI |
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274 | codes. |
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275 | """ |
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276 | cursor = self._get_end_cursor() |
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277 | if self.ansi_codes: |
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278 | for substring in self._ansi_processor.split_string(text): |
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279 | format = self._ansi_processor.get_format() |
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280 | cursor.insertText(substring, format) |
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281 | else: |
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282 | cursor.insertText(text) |
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283 |
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116 | |||
284 | def clear(self, keep_input=False): |
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117 | def clear(self, keep_input=False): | |
285 |
""" |
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118 | """ Clear the console, then write a new prompt. If 'keep_input' is set, | |
286 | restores the old input buffer when the new prompt is written. |
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119 | restores the old input buffer when the new prompt is written. | |
287 | """ |
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120 | """ | |
288 | QtGui.QPlainTextEdit.clear(self) |
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121 | self._control.clear() | |
289 | if keep_input: |
|
122 | if keep_input: | |
290 | input_buffer = self.input_buffer |
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123 | input_buffer = self.input_buffer | |
291 | self._show_prompt() |
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124 | self._show_prompt() | |
292 | if keep_input: |
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125 | if keep_input: | |
293 | self.input_buffer = input_buffer |
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126 | self.input_buffer = input_buffer | |
294 |
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127 | |||
295 |
def |
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128 | def copy(self): | |
296 | """ Reimplemented to ensure that text is pasted in the editing region. |
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129 | """ Copy the current selected text to the clipboard. | |
297 | """ |
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130 | """ | |
298 | self._keep_cursor_in_buffer() |
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131 | self._control.copy() | |
299 | QtGui.QPlainTextEdit.paste(self) |
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300 |
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301 | def print_(self, printer): |
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302 | """ Reimplemented to work around a bug in PyQt: the C++ level 'print_' |
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303 | slot has the wrong signature. |
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304 | """ |
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305 | QtGui.QPlainTextEdit.print_(self, printer) |
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306 |
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307 | #--------------------------------------------------------------------------- |
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308 | # 'ConsoleWidget' public interface |
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309 | #--------------------------------------------------------------------------- |
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310 |
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132 | |||
311 | def execute(self, source=None, hidden=False, interactive=False): |
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133 | def execute(self, source=None, hidden=False, interactive=False): | |
312 | """ Executes source or the input buffer, possibly prompting for more |
|
134 | """ Executes source or the input buffer, possibly prompting for more | |
@@ -346,7 +168,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
346 | if source is not None: |
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168 | if source is not None: | |
347 | self.input_buffer = source |
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169 | self.input_buffer = source | |
348 |
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170 | |||
349 |
self.append |
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171 | self._append_plain_text('\n') | |
350 | self._executing_input_buffer = self.input_buffer |
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172 | self._executing_input_buffer = self.input_buffer | |
351 | self._executing = True |
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173 | self._executing = True | |
352 | self._prompt_finished() |
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174 | self._prompt_finished() | |
@@ -358,7 +180,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
358 | # The maximum block count is only in effect during execution. |
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180 | # The maximum block count is only in effect during execution. | |
359 | # This ensures that _prompt_pos does not become invalid due to |
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181 | # This ensures that _prompt_pos does not become invalid due to | |
360 | # text truncation. |
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182 | # text truncation. | |
361 | self.setMaximumBlockCount(self.buffer_size) |
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183 | self._control.document().setMaximumBlockCount(self.buffer_size) | |
362 | self._execute(real_source, hidden) |
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184 | self._execute(real_source, hidden) | |
363 | elif hidden: |
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185 | elif hidden: | |
364 | raise RuntimeError('Incomplete noninteractive input: "%s"' % source) |
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186 | raise RuntimeError('Incomplete noninteractive input: "%s"' % source) | |
@@ -393,14 +215,14 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
393 | # Insert new text with continuation prompts. |
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215 | # Insert new text with continuation prompts. | |
394 | lines = string.splitlines(True) |
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216 | lines = string.splitlines(True) | |
395 | if lines: |
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217 | if lines: | |
396 |
self.append |
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218 | self._append_plain_text(lines[0]) | |
397 | for i in xrange(1, len(lines)): |
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219 | for i in xrange(1, len(lines)): | |
398 | if self._continuation_prompt_html is None: |
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220 | if self._continuation_prompt_html is None: | |
399 |
self.append |
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221 | self._append_plain_text(self._continuation_prompt) | |
400 | else: |
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222 | else: | |
401 |
self.append |
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223 | self._append_html(self._continuation_prompt_html) | |
402 |
self.append |
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224 | self._append_plain_text(lines[i]) | |
403 | self.moveCursor(QtGui.QTextCursor.End) |
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225 | self._control.moveCursor(QtGui.QTextCursor.End) | |
404 |
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226 | |||
405 | input_buffer = property(_get_input_buffer, _set_input_buffer) |
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227 | input_buffer = property(_get_input_buffer, _set_input_buffer) | |
406 |
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228 | |||
@@ -410,7 +232,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
410 | """ |
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232 | """ | |
411 | if self._executing: |
|
233 | if self._executing: | |
412 | return None |
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234 | return None | |
413 | cursor = self.textCursor() |
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235 | cursor = self._control.textCursor() | |
414 | if cursor.position() >= self._prompt_pos: |
|
236 | if cursor.position() >= self._prompt_pos: | |
415 | text = self._get_block_plain_text(cursor.block()) |
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237 | text = self._get_block_plain_text(cursor.block()) | |
416 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): |
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238 | if cursor.blockNumber() == self._get_prompt_cursor().blockNumber(): | |
@@ -425,19 +247,36 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
425 | def _get_font(self): |
|
247 | def _get_font(self): | |
426 | """ The base font being used by the ConsoleWidget. |
|
248 | """ The base font being used by the ConsoleWidget. | |
427 | """ |
|
249 | """ | |
428 | return self.document().defaultFont() |
|
250 | return self._control.document().defaultFont() | |
429 |
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251 | |||
430 | def _set_font(self, font): |
|
252 | def _set_font(self, font): | |
431 | """ Sets the base font for the ConsoleWidget to the specified QFont. |
|
253 | """ Sets the base font for the ConsoleWidget to the specified QFont. | |
432 | """ |
|
254 | """ | |
433 | font_metrics = QtGui.QFontMetrics(font) |
|
255 | font_metrics = QtGui.QFontMetrics(font) | |
434 | self.setTabStopWidth(self.tab_width * font_metrics.width(' ')) |
|
256 | self._control.setTabStopWidth(self.tab_width * font_metrics.width(' ')) | |
435 |
|
257 | |||
436 | self._completion_widget.setFont(font) |
|
258 | self._completion_widget.setFont(font) | |
437 | self.document().setDefaultFont(font) |
|
259 | self._control.document().setDefaultFont(font) | |
438 |
|
260 | |||
439 | font = property(_get_font, _set_font) |
|
261 | font = property(_get_font, _set_font) | |
440 |
|
262 | |||
|
263 | def paste(self): | |||
|
264 | """ Paste the contents of the clipboard into the input region. | |||
|
265 | """ | |||
|
266 | self._keep_cursor_in_buffer() | |||
|
267 | self._control.paste() | |||
|
268 | ||||
|
269 | def print_(self, printer): | |||
|
270 | """ Print the contents of the ConsoleWidget to the specified QPrinter. | |||
|
271 | """ | |||
|
272 | self._control.print_(printer) | |||
|
273 | ||||
|
274 | def redo(self): | |||
|
275 | """ Redo the last operation. If there is no operation to redo, nothing | |||
|
276 | happens. | |||
|
277 | """ | |||
|
278 | self._control.redo() | |||
|
279 | ||||
441 | def reset_font(self): |
|
280 | def reset_font(self): | |
442 | """ Sets the font to the default fixed-width font for this platform. |
|
281 | """ Sets the font to the default fixed-width font for this platform. | |
443 | """ |
|
282 | """ | |
@@ -451,6 +290,11 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
451 | font.setStyleHint(QtGui.QFont.TypeWriter) |
|
290 | font.setStyleHint(QtGui.QFont.TypeWriter) | |
452 | self._set_font(font) |
|
291 | self._set_font(font) | |
453 |
|
292 | |||
|
293 | def select_all(self): | |||
|
294 | """ Selects all the text in the buffer. | |||
|
295 | """ | |||
|
296 | self._control.selectAll() | |||
|
297 | ||||
454 | def _get_tab_width(self): |
|
298 | def _get_tab_width(self): | |
455 | """ The width (in terms of space characters) for tab characters. |
|
299 | """ The width (in terms of space characters) for tab characters. | |
456 | """ |
|
300 | """ | |
@@ -460,12 +304,18 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
460 | """ Sets the width (in terms of space characters) for tab characters. |
|
304 | """ Sets the width (in terms of space characters) for tab characters. | |
461 | """ |
|
305 | """ | |
462 | font_metrics = QtGui.QFontMetrics(self.font) |
|
306 | font_metrics = QtGui.QFontMetrics(self.font) | |
463 | self.setTabStopWidth(tab_width * font_metrics.width(' ')) |
|
307 | self._control.setTabStopWidth(tab_width * font_metrics.width(' ')) | |
464 |
|
308 | |||
465 | self._tab_width = tab_width |
|
309 | self._tab_width = tab_width | |
466 |
|
310 | |||
467 | tab_width = property(_get_tab_width, _set_tab_width) |
|
311 | tab_width = property(_get_tab_width, _set_tab_width) | |
468 |
|
312 | |||
|
313 | def undo(self): | |||
|
314 | """ Undo the last operation. If there is no operation to undo, nothing | |||
|
315 | happens. | |||
|
316 | """ | |||
|
317 | self._control.undo() | |||
|
318 | ||||
469 | #--------------------------------------------------------------------------- |
|
319 | #--------------------------------------------------------------------------- | |
470 | # 'ConsoleWidget' abstract interface |
|
320 | # 'ConsoleWidget' abstract interface | |
471 | #--------------------------------------------------------------------------- |
|
321 | #--------------------------------------------------------------------------- | |
@@ -515,28 +365,60 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
515 | # 'ConsoleWidget' protected interface |
|
365 | # 'ConsoleWidget' protected interface | |
516 | #-------------------------------------------------------------------------- |
|
366 | #-------------------------------------------------------------------------- | |
517 |
|
367 | |||
|
368 | def _append_html(self, html): | |||
|
369 | """ Appends html at the end of the console buffer. | |||
|
370 | """ | |||
|
371 | cursor = self._get_end_cursor() | |||
|
372 | self._insert_html(cursor, html) | |||
|
373 | ||||
518 | def _append_html_fetching_plain_text(self, html): |
|
374 | def _append_html_fetching_plain_text(self, html): | |
519 | """ Appends 'html', then returns the plain text version of it. |
|
375 | """ Appends 'html', then returns the plain text version of it. | |
520 | """ |
|
376 | """ | |
521 | anchor = self._get_end_cursor().position() |
|
377 | anchor = self._get_end_cursor().position() | |
522 |
self.append |
|
378 | self._append_html(html) | |
523 | cursor = self._get_end_cursor() |
|
379 | cursor = self._get_end_cursor() | |
524 | cursor.setPosition(anchor, QtGui.QTextCursor.KeepAnchor) |
|
380 | cursor.setPosition(anchor, QtGui.QTextCursor.KeepAnchor) | |
525 | return str(cursor.selection().toPlainText()) |
|
381 | return str(cursor.selection().toPlainText()) | |
526 |
|
382 | |||
|
383 | def _append_plain_text(self, text): | |||
|
384 | """ Appends plain text at the end of the console buffer, processing | |||
|
385 | ANSI codes if enabled. | |||
|
386 | """ | |||
|
387 | cursor = self._get_end_cursor() | |||
|
388 | if self.ansi_codes: | |||
|
389 | for substring in self._ansi_processor.split_string(text): | |||
|
390 | format = self._ansi_processor.get_format() | |||
|
391 | cursor.insertText(substring, format) | |||
|
392 | else: | |||
|
393 | cursor.insertText(text) | |||
|
394 | ||||
527 | def _append_plain_text_keeping_prompt(self, text): |
|
395 | def _append_plain_text_keeping_prompt(self, text): | |
528 | """ Writes 'text' after the current prompt, then restores the old prompt |
|
396 | """ Writes 'text' after the current prompt, then restores the old prompt | |
529 | with its old input buffer. |
|
397 | with its old input buffer. | |
530 | """ |
|
398 | """ | |
531 | input_buffer = self.input_buffer |
|
399 | input_buffer = self.input_buffer | |
532 |
self.append |
|
400 | self._append_plain_text('\n') | |
533 | self._prompt_finished() |
|
401 | self._prompt_finished() | |
534 |
|
402 | |||
535 |
self.append |
|
403 | self._append_plain_text(text) | |
536 | self._show_prompt() |
|
404 | self._show_prompt() | |
537 | self.input_buffer = input_buffer |
|
405 | self.input_buffer = input_buffer | |
538 |
|
406 | |||
539 | def _control_down(self, modifiers): |
|
407 | def _complete_with_items(self, cursor, items): | |
|
408 | """ Performs completion with 'items' at the specified cursor location. | |||
|
409 | """ | |||
|
410 | if len(items) == 1: | |||
|
411 | cursor.setPosition(self._control.textCursor().position(), | |||
|
412 | QtGui.QTextCursor.KeepAnchor) | |||
|
413 | cursor.insertText(items[0]) | |||
|
414 | elif len(items) > 1: | |||
|
415 | if self.gui_completion: | |||
|
416 | self._completion_widget.show_items(cursor, items) | |||
|
417 | else: | |||
|
418 | text = self._format_as_columns(items) | |||
|
419 | self._append_plain_text_keeping_prompt(text) | |||
|
420 | ||||
|
421 | def _control_key_down(self, modifiers): | |||
540 | """ Given a KeyboardModifiers flags object, return whether the Control |
|
422 | """ Given a KeyboardModifiers flags object, return whether the Control | |
541 | key is down (on Mac OS, treat the Command key as a synonym for |
|
423 | key is down (on Mac OS, treat the Command key as a synonym for | |
542 | Control). |
|
424 | Control). | |
@@ -549,20 +431,175 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
549 | down = down ^ bool(modifiers & QtCore.Qt.MetaModifier) |
|
431 | down = down ^ bool(modifiers & QtCore.Qt.MetaModifier) | |
550 |
|
432 | |||
551 | return down |
|
433 | return down | |
552 |
|
434 | |||
553 | def _complete_with_items(self, cursor, items): |
|
435 | def _create_control(self, kind): | |
554 | """ Performs completion with 'items' at the specified cursor location. |
|
436 | """ Creates and sets the underlying text widget. | |
555 | """ |
|
437 | """ | |
556 | if len(items) == 1: |
|
438 | layout = QtGui.QVBoxLayout(self) | |
557 | cursor.setPosition(self.textCursor().position(), |
|
439 | layout.setMargin(0) | |
558 | QtGui.QTextCursor.KeepAnchor) |
|
440 | if kind == 'plain': | |
559 | cursor.insertText(items[0]) |
|
441 | control = QtGui.QPlainTextEdit() | |
560 | elif len(items) > 1: |
|
442 | elif kind == 'rich': | |
561 | if self.gui_completion: |
|
443 | control = QtGui.QTextEdit() | |
562 | self._completion_widget.show_items(cursor, items) |
|
444 | else: | |
563 | else: |
|
445 | raise ValueError("Kind %s unknown." % repr(kind)) | |
564 | text = self._format_as_columns(items) |
|
446 | layout.addWidget(control) | |
565 | self._append_plain_text_keeping_prompt(text) |
|
447 | ||
|
448 | control.installEventFilter(self) | |||
|
449 | control.setContextMenuPolicy(QtCore.Qt.CustomContextMenu) | |||
|
450 | control.customContextMenuRequested.connect(self._show_context_menu) | |||
|
451 | control.copyAvailable.connect(self.copy_available) | |||
|
452 | control.redoAvailable.connect(self.redo_available) | |||
|
453 | control.undoAvailable.connect(self.undo_available) | |||
|
454 | ||||
|
455 | return control | |||
|
456 | ||||
|
457 | def _event_filter_keypress(self, event): | |||
|
458 | """ Filter key events for the underlying text widget to create a | |||
|
459 | console-like interface. | |||
|
460 | """ | |||
|
461 | key = event.key() | |||
|
462 | ctrl_down = self._control_key_down(event.modifiers()) | |||
|
463 | ||||
|
464 | # If the key is remapped, return immediately. | |||
|
465 | if ctrl_down and key in self._ctrl_down_remap: | |||
|
466 | new_event = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, | |||
|
467 | self._ctrl_down_remap[key], | |||
|
468 | QtCore.Qt.NoModifier) | |||
|
469 | QtGui.qApp.sendEvent(self._control, new_event) | |||
|
470 | return True | |||
|
471 | ||||
|
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. | |||
|
479 | intercepted = False | |||
|
480 | cursor = self._control.textCursor() | |||
|
481 | position = cursor.position() | |||
|
482 | alt_down = event.modifiers() & QtCore.Qt.AltModifier | |||
|
483 | shift_down = event.modifiers() & QtCore.Qt.ShiftModifier | |||
|
484 | ||||
|
485 | if event.matches(QtGui.QKeySequence.Paste): | |||
|
486 | # Call our paste instead of the underlying text widget's. | |||
|
487 | self.paste() | |||
|
488 | intercepted = True | |||
|
489 | ||||
|
490 | elif ctrl_down: | |||
|
491 | if key == QtCore.Qt.Key_K: | |||
|
492 | if self._in_buffer(position): | |||
|
493 | cursor.movePosition(QtGui.QTextCursor.EndOfLine, | |||
|
494 | QtGui.QTextCursor.KeepAnchor) | |||
|
495 | cursor.removeSelectedText() | |||
|
496 | intercepted = True | |||
|
497 | ||||
|
498 | elif key == QtCore.Qt.Key_X: | |||
|
499 | intercepted = True | |||
|
500 | ||||
|
501 | elif key == QtCore.Qt.Key_Y: | |||
|
502 | self.paste() | |||
|
503 | intercepted = True | |||
|
504 | ||||
|
505 | elif alt_down: | |||
|
506 | if key == QtCore.Qt.Key_B: | |||
|
507 | self._set_cursor(self._get_word_start_cursor(position)) | |||
|
508 | intercepted = True | |||
|
509 | ||||
|
510 | elif key == QtCore.Qt.Key_F: | |||
|
511 | self._set_cursor(self._get_word_end_cursor(position)) | |||
|
512 | intercepted = True | |||
|
513 | ||||
|
514 | elif key == QtCore.Qt.Key_Backspace: | |||
|
515 | cursor = self._get_word_start_cursor(position) | |||
|
516 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |||
|
517 | cursor.removeSelectedText() | |||
|
518 | intercepted = True | |||
|
519 | ||||
|
520 | elif key == QtCore.Qt.Key_D: | |||
|
521 | cursor = self._get_word_end_cursor(position) | |||
|
522 | cursor.setPosition(position, QtGui.QTextCursor.KeepAnchor) | |||
|
523 | cursor.removeSelectedText() | |||
|
524 | intercepted = True | |||
|
525 | ||||
|
526 | else: | |||
|
527 | if key in (QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter): | |||
|
528 | if self._reading: | |||
|
529 | self._append_plain_text('\n') | |||
|
530 | self._reading = False | |||
|
531 | if self._reading_callback: | |||
|
532 | self._reading_callback() | |||
|
533 | elif not self._executing: | |||
|
534 | self.execute(interactive=True) | |||
|
535 | intercepted = True | |||
|
536 | ||||
|
537 | elif key == QtCore.Qt.Key_Up: | |||
|
538 | if self._reading or not self._up_pressed(): | |||
|
539 | intercepted = True | |||
|
540 | else: | |||
|
541 | prompt_line = self._get_prompt_cursor().blockNumber() | |||
|
542 | intercepted = cursor.blockNumber() <= prompt_line | |||
|
543 | ||||
|
544 | elif key == QtCore.Qt.Key_Down: | |||
|
545 | if self._reading or not self._down_pressed(): | |||
|
546 | intercepted = True | |||
|
547 | else: | |||
|
548 | end_line = self._get_end_cursor().blockNumber() | |||
|
549 | intercepted = cursor.blockNumber() == end_line | |||
|
550 | ||||
|
551 | elif key == QtCore.Qt.Key_Tab: | |||
|
552 | if self._reading: | |||
|
553 | intercepted = False | |||
|
554 | else: | |||
|
555 | intercepted = not self._tab_pressed() | |||
|
556 | ||||
|
557 | elif key == QtCore.Qt.Key_Left: | |||
|
558 | intercepted = not self._in_buffer(position - 1) | |||
|
559 | ||||
|
560 | elif key == QtCore.Qt.Key_Home: | |||
|
561 | cursor.movePosition(QtGui.QTextCursor.StartOfLine) | |||
|
562 | start_line = cursor.blockNumber() | |||
|
563 | if start_line == self._get_prompt_cursor().blockNumber(): | |||
|
564 | start_pos = self._prompt_pos | |||
|
565 | else: | |||
|
566 | start_pos = cursor.position() | |||
|
567 | start_pos += len(self._continuation_prompt) | |||
|
568 | if shift_down and self._in_buffer(position): | |||
|
569 | self._set_selection(position, start_pos) | |||
|
570 | else: | |||
|
571 | self._set_position(start_pos) | |||
|
572 | intercepted = True | |||
|
573 | ||||
|
574 | elif key == QtCore.Qt.Key_Backspace and not alt_down: | |||
|
575 | ||||
|
576 | # Line deletion (remove continuation prompt) | |||
|
577 | len_prompt = len(self._continuation_prompt) | |||
|
578 | if not self._reading and \ | |||
|
579 | cursor.columnNumber() == len_prompt and \ | |||
|
580 | position != self._prompt_pos: | |||
|
581 | cursor.setPosition(position - len_prompt, | |||
|
582 | QtGui.QTextCursor.KeepAnchor) | |||
|
583 | cursor.removeSelectedText() | |||
|
584 | ||||
|
585 | # Regular backwards deletion | |||
|
586 | else: | |||
|
587 | anchor = cursor.anchor() | |||
|
588 | if anchor == position: | |||
|
589 | intercepted = not self._in_buffer(position - 1) | |||
|
590 | else: | |||
|
591 | intercepted = not self._in_buffer(min(anchor, position)) | |||
|
592 | ||||
|
593 | elif key == QtCore.Qt.Key_Delete: | |||
|
594 | anchor = cursor.anchor() | |||
|
595 | intercepted = not self._in_buffer(min(anchor, position)) | |||
|
596 | ||||
|
597 | # Don't move the cursor if control is down to allow copy-paste using | |||
|
598 | # the keyboard in any part of the buffer. | |||
|
599 | if not ctrl_down: | |||
|
600 | self._keep_cursor_in_buffer() | |||
|
601 | ||||
|
602 | return intercepted | |||
566 |
|
603 | |||
567 | def _format_as_columns(self, items, separator=' '): |
|
604 | def _format_as_columns(self, items, separator=' '): | |
568 | """ Transform a list of strings into a single string with columns. |
|
605 | """ Transform a list of strings into a single string with columns. | |
@@ -639,18 +676,23 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
639 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, |
|
676 | cursor.movePosition(QtGui.QTextCursor.EndOfBlock, | |
640 | QtGui.QTextCursor.KeepAnchor) |
|
677 | QtGui.QTextCursor.KeepAnchor) | |
641 | return str(cursor.selection().toPlainText()) |
|
678 | return str(cursor.selection().toPlainText()) | |
|
679 | ||||
|
680 | def _get_cursor(self): | |||
|
681 | """ Convenience method that returns a cursor for the current position. | |||
|
682 | """ | |||
|
683 | return self._control.textCursor() | |||
642 |
|
684 | |||
643 | def _get_end_cursor(self): |
|
685 | def _get_end_cursor(self): | |
644 | """ Convenience method that returns a cursor for the last character. |
|
686 | """ Convenience method that returns a cursor for the last character. | |
645 | """ |
|
687 | """ | |
646 | cursor = self.textCursor() |
|
688 | cursor = self._control.textCursor() | |
647 | cursor.movePosition(QtGui.QTextCursor.End) |
|
689 | cursor.movePosition(QtGui.QTextCursor.End) | |
648 | return cursor |
|
690 | return cursor | |
649 |
|
691 | |||
650 | def _get_prompt_cursor(self): |
|
692 | def _get_prompt_cursor(self): | |
651 | """ Convenience method that returns a cursor for the prompt position. |
|
693 | """ Convenience method that returns a cursor for the prompt position. | |
652 | """ |
|
694 | """ | |
653 | cursor = self.textCursor() |
|
695 | cursor = self._control.textCursor() | |
654 | cursor.setPosition(self._prompt_pos) |
|
696 | cursor.setPosition(self._prompt_pos) | |
655 | return cursor |
|
697 | return cursor | |
656 |
|
698 | |||
@@ -658,7 +700,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
658 | """ Convenience method that returns a cursor with text selected between |
|
700 | """ Convenience method that returns a cursor with text selected between | |
659 | the positions 'start' and 'end'. |
|
701 | the positions 'start' and 'end'. | |
660 | """ |
|
702 | """ | |
661 | cursor = self.textCursor() |
|
703 | cursor = self._control.textCursor() | |
662 | cursor.setPosition(start) |
|
704 | cursor.setPosition(start) | |
663 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) |
|
705 | cursor.setPosition(end, QtGui.QTextCursor.KeepAnchor) | |
664 | return cursor |
|
706 | return cursor | |
@@ -668,7 +710,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
668 | sequence of non-word characters precedes the first word, skip over |
|
710 | sequence of non-word characters precedes the first word, skip over | |
669 | them. (This emulates the behavior of bash, emacs, etc.) |
|
711 | them. (This emulates the behavior of bash, emacs, etc.) | |
670 | """ |
|
712 | """ | |
671 | document = self.document() |
|
713 | document = self._control.document() | |
672 | position -= 1 |
|
714 | position -= 1 | |
673 | while self._in_buffer(position) and \ |
|
715 | while self._in_buffer(position) and \ | |
674 | not document.characterAt(position).isLetterOrNumber(): |
|
716 | not document.characterAt(position).isLetterOrNumber(): | |
@@ -676,7 +718,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
676 | while self._in_buffer(position) and \ |
|
718 | while self._in_buffer(position) and \ | |
677 | document.characterAt(position).isLetterOrNumber(): |
|
719 | document.characterAt(position).isLetterOrNumber(): | |
678 | position -= 1 |
|
720 | position -= 1 | |
679 | cursor = self.textCursor() |
|
721 | cursor = self._control.textCursor() | |
680 | cursor.setPosition(position + 1) |
|
722 | cursor.setPosition(position + 1) | |
681 | return cursor |
|
723 | return cursor | |
682 |
|
724 | |||
@@ -685,7 +727,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
685 | sequence of non-word characters precedes the first word, skip over |
|
727 | sequence of non-word characters precedes the first word, skip over | |
686 | them. (This emulates the behavior of bash, emacs, etc.) |
|
728 | them. (This emulates the behavior of bash, emacs, etc.) | |
687 | """ |
|
729 | """ | |
688 | document = self.document() |
|
730 | document = self._control.document() | |
689 | end = self._get_end_cursor().position() |
|
731 | end = self._get_end_cursor().position() | |
690 | while position < end and \ |
|
732 | while position < end and \ | |
691 | not document.characterAt(position).isLetterOrNumber(): |
|
733 | not document.characterAt(position).isLetterOrNumber(): | |
@@ -693,7 +735,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
693 | while position < end and \ |
|
735 | while position < end and \ | |
694 | document.characterAt(position).isLetterOrNumber(): |
|
736 | document.characterAt(position).isLetterOrNumber(): | |
695 | position += 1 |
|
737 | position += 1 | |
696 | cursor = self.textCursor() |
|
738 | cursor = self._control.textCursor() | |
697 | cursor.setPosition(position) |
|
739 | cursor.setPosition(position) | |
698 | return cursor |
|
740 | return cursor | |
699 |
|
741 | |||
@@ -718,17 +760,33 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
718 | cursor.movePosition(QtGui.QTextCursor.Right) |
|
760 | cursor.movePosition(QtGui.QTextCursor.Right) | |
719 | cursor.insertText(' ', QtGui.QTextCharFormat()) |
|
761 | cursor.insertText(' ', QtGui.QTextCharFormat()) | |
720 |
|
762 | |||
|
763 | def _in_buffer(self, position): | |||
|
764 | """ Returns whether the given position is inside the editing region. | |||
|
765 | """ | |||
|
766 | return position >= self._prompt_pos | |||
|
767 | ||||
|
768 | def _keep_cursor_in_buffer(self): | |||
|
769 | """ Ensures that the cursor is inside the editing region. Returns | |||
|
770 | whether the cursor was moved. | |||
|
771 | """ | |||
|
772 | cursor = self._control.textCursor() | |||
|
773 | if cursor.position() < self._prompt_pos: | |||
|
774 | cursor.movePosition(QtGui.QTextCursor.End) | |||
|
775 | self._control.setTextCursor(cursor) | |||
|
776 | return True | |||
|
777 | else: | |||
|
778 | return False | |||
|
779 | ||||
721 | def _prompt_started(self): |
|
780 | def _prompt_started(self): | |
722 | """ Called immediately after a new prompt is displayed. |
|
781 | """ Called immediately after a new prompt is displayed. | |
723 | """ |
|
782 | """ | |
724 | # Temporarily disable the maximum block count to permit undo/redo and |
|
783 | # Temporarily disable the maximum block count to permit undo/redo and | |
725 | # to ensure that the prompt position does not change due to truncation. |
|
784 | # to ensure that the prompt position does not change due to truncation. | |
726 | self.setMaximumBlockCount(0) |
|
785 | self._control.document().setMaximumBlockCount(0) | |
727 | self.setUndoRedoEnabled(True) |
|
786 | self._control.setUndoRedoEnabled(True) | |
728 |
|
787 | |||
729 | self.setReadOnly(False) |
|
788 | self._control.setReadOnly(False) | |
730 | self.moveCursor(QtGui.QTextCursor.End) |
|
789 | self._control.moveCursor(QtGui.QTextCursor.End) | |
731 | self.centerCursor() |
|
|||
732 |
|
790 | |||
733 | self._executing = False |
|
791 | self._executing = False | |
734 | self._prompt_started_hook() |
|
792 | self._prompt_started_hook() | |
@@ -737,8 +795,8 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
737 | """ Called immediately after a prompt is finished, i.e. when some input |
|
795 | """ Called immediately after a prompt is finished, i.e. when some input | |
738 | will be processed and a new prompt displayed. |
|
796 | will be processed and a new prompt displayed. | |
739 | """ |
|
797 | """ | |
740 | self.setUndoRedoEnabled(False) |
|
798 | self._control.setUndoRedoEnabled(False) | |
741 | self.setReadOnly(True) |
|
799 | self._control.setReadOnly(True) | |
742 | self._prompt_finished_hook() |
|
800 | self._prompt_finished_hook() | |
743 |
|
801 | |||
744 | def _readline(self, prompt='', callback=None): |
|
802 | def _readline(self, prompt='', callback=None): | |
@@ -783,7 +841,7 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
783 | def _reset(self): |
|
841 | def _reset(self): | |
784 | """ Clears the console and resets internal state variables. |
|
842 | """ Clears the console and resets internal state variables. | |
785 | """ |
|
843 | """ | |
786 | QtGui.QPlainTextEdit.clear(self) |
|
844 | self._control.clear() | |
787 | self._executing = self._reading = False |
|
845 | self._executing = self._reading = False | |
788 |
|
846 | |||
789 | def _set_continuation_prompt(self, prompt, html=False): |
|
847 | def _set_continuation_prompt(self, prompt, html=False): | |
@@ -804,18 +862,47 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
804 | else: |
|
862 | else: | |
805 | self._continuation_prompt = prompt |
|
863 | self._continuation_prompt = prompt | |
806 | self._continuation_prompt_html = None |
|
864 | self._continuation_prompt_html = None | |
|
865 | ||||
|
866 | def _set_cursor(self, cursor): | |||
|
867 | """ Convenience method to set the current cursor. | |||
|
868 | """ | |||
|
869 | self._control.setTextCursor(cursor) | |||
807 |
|
870 | |||
808 | def _set_position(self, position): |
|
871 | def _set_position(self, position): | |
809 | """ Convenience method to set the position of the cursor. |
|
872 | """ Convenience method to set the position of the cursor. | |
810 | """ |
|
873 | """ | |
811 | cursor = self.textCursor() |
|
874 | cursor = self._control.textCursor() | |
812 | cursor.setPosition(position) |
|
875 | cursor.setPosition(position) | |
813 | self.setTextCursor(cursor) |
|
876 | self._control.setTextCursor(cursor) | |
814 |
|
877 | |||
815 | def _set_selection(self, start, end): |
|
878 | def _set_selection(self, start, end): | |
816 | """ Convenience method to set the current selected text. |
|
879 | """ Convenience method to set the current selected text. | |
817 | """ |
|
880 | """ | |
818 | self.setTextCursor(self._get_selection_cursor(start, end)) |
|
881 | self._control.setTextCursor(self._get_selection_cursor(start, end)) | |
|
882 | ||||
|
883 | def _show_context_menu(self, pos): | |||
|
884 | """ Shows a context menu at the given QPoint (in widget coordinates). | |||
|
885 | """ | |||
|
886 | menu = QtGui.QMenu() | |||
|
887 | ||||
|
888 | copy_action = QtGui.QAction('Copy', menu) | |||
|
889 | copy_action.triggered.connect(self.copy) | |||
|
890 | copy_action.setEnabled(self._get_cursor().hasSelection()) | |||
|
891 | copy_action.setShortcut(QtGui.QKeySequence.Copy) | |||
|
892 | menu.addAction(copy_action) | |||
|
893 | ||||
|
894 | paste_action = QtGui.QAction('Paste', menu) | |||
|
895 | paste_action.triggered.connect(self.paste) | |||
|
896 | paste_action.setEnabled(self._control.canPaste()) | |||
|
897 | paste_action.setShortcut(QtGui.QKeySequence.Paste) | |||
|
898 | menu.addAction(paste_action) | |||
|
899 | menu.addSeparator() | |||
|
900 | ||||
|
901 | select_all_action = QtGui.QAction('Select All', menu) | |||
|
902 | select_all_action.triggered.connect(self.select_all) | |||
|
903 | menu.addAction(select_all_action) | |||
|
904 | ||||
|
905 | menu.exec_(self._control.mapToGlobal(pos)) | |||
819 |
|
906 | |||
820 | def _show_prompt(self, prompt=None, html=False, newline=True): |
|
907 | def _show_prompt(self, prompt=None, html=False, newline=True): | |
821 | """ Writes a new prompt at the end of the buffer. |
|
908 | """ Writes a new prompt at the end of the buffer. | |
@@ -841,20 +928,20 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
841 | cursor.movePosition(QtGui.QTextCursor.Left, |
|
928 | cursor.movePosition(QtGui.QTextCursor.Left, | |
842 | QtGui.QTextCursor.KeepAnchor) |
|
929 | QtGui.QTextCursor.KeepAnchor) | |
843 | if str(cursor.selection().toPlainText()) != '\n': |
|
930 | if str(cursor.selection().toPlainText()) != '\n': | |
844 |
self.append |
|
931 | self._append_plain_text('\n') | |
845 |
|
932 | |||
846 | # Write the prompt. |
|
933 | # Write the prompt. | |
847 | if prompt is None: |
|
934 | if prompt is None: | |
848 | if self._prompt_html is None: |
|
935 | if self._prompt_html is None: | |
849 |
self.append |
|
936 | self._append_plain_text(self._prompt) | |
850 | else: |
|
937 | else: | |
851 |
self.append |
|
938 | self._append_html(self._prompt_html) | |
852 | else: |
|
939 | else: | |
853 | if html: |
|
940 | if html: | |
854 | self._prompt = self._append_html_fetching_plain_text(prompt) |
|
941 | self._prompt = self._append_html_fetching_plain_text(prompt) | |
855 | self._prompt_html = prompt |
|
942 | self._prompt_html = prompt | |
856 | else: |
|
943 | else: | |
857 |
self.append |
|
944 | self._append_plain_text(prompt) | |
858 | self._prompt = prompt |
|
945 | self._prompt = prompt | |
859 | self._prompt_html = None |
|
946 | self._prompt_html = None | |
860 |
|
947 | |||
@@ -865,30 +952,13 b' class ConsoleWidget(QtGui.QPlainTextEdit):' | |||||
865 | """ Writes a new continuation prompt at the end of the buffer. |
|
952 | """ Writes a new continuation prompt at the end of the buffer. | |
866 | """ |
|
953 | """ | |
867 | if self._continuation_prompt_html is None: |
|
954 | if self._continuation_prompt_html is None: | |
868 |
self.append |
|
955 | self._append_plain_text(self._continuation_prompt) | |
869 | else: |
|
956 | else: | |
870 | self._continuation_prompt = self._append_html_fetching_plain_text( |
|
957 | self._continuation_prompt = self._append_html_fetching_plain_text( | |
871 | self._continuation_prompt_html) |
|
958 | self._continuation_prompt_html) | |
872 |
|
959 | |||
873 | self._prompt_started() |
|
960 | self._prompt_started() | |
874 |
|
961 | |||
875 | def _in_buffer(self, position): |
|
|||
876 | """ Returns whether the given position is inside the editing region. |
|
|||
877 | """ |
|
|||
878 | return position >= self._prompt_pos |
|
|||
879 |
|
||||
880 | def _keep_cursor_in_buffer(self): |
|
|||
881 | """ Ensures that the cursor is inside the editing region. Returns |
|
|||
882 | whether the cursor was moved. |
|
|||
883 | """ |
|
|||
884 | cursor = self.textCursor() |
|
|||
885 | if cursor.position() < self._prompt_pos: |
|
|||
886 | cursor.movePosition(QtGui.QTextCursor.End) |
|
|||
887 | self.setTextCursor(cursor) |
|
|||
888 | return True |
|
|||
889 | else: |
|
|||
890 | return False |
|
|||
891 |
|
||||
892 |
|
962 | |||
893 | class HistoryConsoleWidget(ConsoleWidget): |
|
963 | class HistoryConsoleWidget(ConsoleWidget): | |
894 | """ A ConsoleWidget that keeps a history of the commands that have been |
|
964 | """ A ConsoleWidget that keeps a history of the commands that have been | |
@@ -896,12 +966,11 b' class HistoryConsoleWidget(ConsoleWidget):' | |||||
896 | """ |
|
966 | """ | |
897 |
|
967 | |||
898 | #--------------------------------------------------------------------------- |
|
968 | #--------------------------------------------------------------------------- | |
899 |
# ' |
|
969 | # 'object' interface | |
900 | #--------------------------------------------------------------------------- |
|
970 | #--------------------------------------------------------------------------- | |
901 |
|
971 | |||
902 |
def __init__(self, |
|
972 | def __init__(self, *args, **kw): | |
903 |
super(HistoryConsoleWidget, self).__init__( |
|
973 | super(HistoryConsoleWidget, self).__init__(*args, **kw) | |
904 |
|
||||
905 | self._history = [] |
|
974 | self._history = [] | |
906 | self._history_index = 0 |
|
975 | self._history_index = 0 | |
907 |
|
976 | |||
@@ -933,13 +1002,13 b' class HistoryConsoleWidget(ConsoleWidget):' | |||||
933 | processing the event. |
|
1002 | processing the event. | |
934 | """ |
|
1003 | """ | |
935 | prompt_cursor = self._get_prompt_cursor() |
|
1004 | prompt_cursor = self._get_prompt_cursor() | |
936 |
if self. |
|
1005 | if self._get_cursor().blockNumber() == prompt_cursor.blockNumber(): | |
937 | self.history_previous() |
|
1006 | self.history_previous() | |
938 |
|
1007 | |||
939 | # Go to the first line of prompt for seemless history scrolling. |
|
1008 | # Go to the first line of prompt for seemless history scrolling. | |
940 | cursor = self._get_prompt_cursor() |
|
1009 | cursor = self._get_prompt_cursor() | |
941 | cursor.movePosition(QtGui.QTextCursor.EndOfLine) |
|
1010 | cursor.movePosition(QtGui.QTextCursor.EndOfLine) | |
942 |
self. |
|
1011 | self._set_cursor(cursor) | |
943 |
|
1012 | |||
944 | return False |
|
1013 | return False | |
945 | return True |
|
1014 | return True | |
@@ -949,7 +1018,7 b' class HistoryConsoleWidget(ConsoleWidget):' | |||||
949 | processing the event. |
|
1018 | processing the event. | |
950 | """ |
|
1019 | """ | |
951 | end_cursor = self._get_end_cursor() |
|
1020 | end_cursor = self._get_end_cursor() | |
952 |
if self. |
|
1021 | if self._get_cursor().blockNumber() == end_cursor.blockNumber(): | |
953 | self.history_next() |
|
1022 | self.history_next() | |
954 | return False |
|
1023 | return False | |
955 | return True |
|
1024 | return True |
@@ -21,7 +21,7 b' class FrontendHighlighter(PygmentsHighlighter):' | |||||
21 | """ |
|
21 | """ | |
22 |
|
22 | |||
23 | def __init__(self, frontend): |
|
23 | def __init__(self, frontend): | |
24 | super(FrontendHighlighter, self).__init__(frontend.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 | |
@@ -68,14 +68,14 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
68 | executed = QtCore.pyqtSignal(object) |
|
68 | executed = QtCore.pyqtSignal(object) | |
69 |
|
69 | |||
70 | #--------------------------------------------------------------------------- |
|
70 | #--------------------------------------------------------------------------- | |
71 |
# ' |
|
71 | # 'object' interface | |
72 | #--------------------------------------------------------------------------- |
|
72 | #--------------------------------------------------------------------------- | |
73 |
|
73 | |||
74 |
def __init__(self, |
|
74 | def __init__(self, *args, **kw): | |
75 |
super(FrontendWidget, self).__init__( |
|
75 | super(FrontendWidget, self).__init__(*args, **kw) | |
76 |
|
76 | |||
77 | # FrontendWidget protected variables. |
|
77 | # FrontendWidget protected variables. | |
78 | self._call_tip_widget = CallTipWidget(self) |
|
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) | |
@@ -86,7 +86,9 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
86 | self.tab_width = 4 |
|
86 | self.tab_width = 4 | |
87 | self._set_continuation_prompt('... ') |
|
87 | self._set_continuation_prompt('... ') | |
88 |
|
88 | |||
89 | self.document().contentsChange.connect(self._document_contents_change) |
|
89 | # Connect signal handlers. | |
|
90 | document = self._control.document() | |||
|
91 | document.contentsChange.connect(self._document_contents_change) | |||
90 |
|
92 | |||
91 | #--------------------------------------------------------------------------- |
|
93 | #--------------------------------------------------------------------------- | |
92 | # 'QWidget' interface |
|
94 | # 'QWidget' interface | |
@@ -140,8 +142,8 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
140 | if self._get_prompt_cursor().blockNumber() != \ |
|
142 | if self._get_prompt_cursor().blockNumber() != \ | |
141 | self._get_end_cursor().blockNumber(): |
|
143 | self._get_end_cursor().blockNumber(): | |
142 | spaces = self._input_splitter.indent_spaces |
|
144 | spaces = self._input_splitter.indent_spaces | |
143 |
self.append |
|
145 | self._append_plain_text('\t' * (spaces / self.tab_width)) | |
144 |
self.append |
|
146 | self._append_plain_text(' ' * (spaces % self.tab_width)) | |
145 |
|
147 | |||
146 | def _prompt_finished_hook(self): |
|
148 | def _prompt_finished_hook(self): | |
147 | """ Called immediately after a prompt is finished, i.e. when some input |
|
149 | """ Called immediately after a prompt is finished, i.e. when some input | |
@@ -155,7 +157,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
155 | processing the event. |
|
157 | processing the event. | |
156 | """ |
|
158 | """ | |
157 | self._keep_cursor_in_buffer() |
|
159 | self._keep_cursor_in_buffer() | |
158 |
cursor = self. |
|
160 | cursor = self._get_cursor() | |
159 | return not self._complete() |
|
161 | return not self._complete() | |
160 |
|
162 | |||
161 | #--------------------------------------------------------------------------- |
|
163 | #--------------------------------------------------------------------------- | |
@@ -232,9 +234,9 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
232 | """ Shows a call tip, if appropriate, at the current cursor location. |
|
234 | """ Shows a call tip, if appropriate, at the current cursor location. | |
233 | """ |
|
235 | """ | |
234 | # Decide if it makes sense to show a call tip |
|
236 | # Decide if it makes sense to show a call tip | |
235 |
cursor = self. |
|
237 | cursor = self._get_cursor() | |
236 | cursor.movePosition(QtGui.QTextCursor.Left) |
|
238 | cursor.movePosition(QtGui.QTextCursor.Left) | |
237 | document = self.document() |
|
239 | document = self._control.document() | |
238 | if document.characterAt(cursor.position()).toAscii() != '(': |
|
240 | if document.characterAt(cursor.position()).toAscii() != '(': | |
239 | return False |
|
241 | return False | |
240 | context = self._get_context(cursor) |
|
242 | context = self._get_context(cursor) | |
@@ -244,7 +246,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
244 | # Send the metadata request to the kernel |
|
246 | # Send the metadata request to the kernel | |
245 | name = '.'.join(context) |
|
247 | name = '.'.join(context) | |
246 | self._calltip_id = self.kernel_manager.xreq_channel.object_info(name) |
|
248 | self._calltip_id = self.kernel_manager.xreq_channel.object_info(name) | |
247 |
self._calltip_pos = self. |
|
249 | self._calltip_pos = self._get_cursor().position() | |
248 | return True |
|
250 | return True | |
249 |
|
251 | |||
250 | def _complete(self): |
|
252 | def _complete(self): | |
@@ -259,7 +261,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
259 | text = '.'.join(context) |
|
261 | text = '.'.join(context) | |
260 | self._complete_id = self.kernel_manager.xreq_channel.complete( |
|
262 | self._complete_id = self.kernel_manager.xreq_channel.complete( | |
261 | text, self.input_buffer_cursor_line, self.input_buffer) |
|
263 | text, self.input_buffer_cursor_line, self.input_buffer) | |
262 |
self._complete_pos = self. |
|
264 | self._complete_pos = self._get_cursor().position() | |
263 | return True |
|
265 | return True | |
264 |
|
266 | |||
265 | def _get_banner(self): |
|
267 | def _get_banner(self): | |
@@ -273,7 +275,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
273 | """ Gets the context at the current cursor location. |
|
275 | """ Gets the context at the current cursor location. | |
274 | """ |
|
276 | """ | |
275 | if cursor is None: |
|
277 | if cursor is None: | |
276 |
cursor = self. |
|
278 | cursor = self._get_cursor() | |
277 | cursor.movePosition(QtGui.QTextCursor.StartOfLine, |
|
279 | cursor.movePosition(QtGui.QTextCursor.StartOfLine, | |
278 | QtGui.QTextCursor.KeepAnchor) |
|
280 | QtGui.QTextCursor.KeepAnchor) | |
279 | text = str(cursor.selection().toPlainText()) |
|
281 | text = str(cursor.selection().toPlainText()) | |
@@ -285,8 +287,8 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
285 | if self.kernel_manager.has_kernel: |
|
287 | if self.kernel_manager.has_kernel: | |
286 | self.kernel_manager.signal_kernel(signal.SIGINT) |
|
288 | self.kernel_manager.signal_kernel(signal.SIGINT) | |
287 | else: |
|
289 | else: | |
288 |
self.append |
|
290 | self._append_plain_text('Kernel process is either remote or ' | |
289 | 'unspecified. Cannot interrupt.\n') |
|
291 | 'unspecified. Cannot interrupt.\n') | |
290 |
|
292 | |||
291 | def _show_interpreter_prompt(self): |
|
293 | def _show_interpreter_prompt(self): | |
292 | """ Shows a prompt for the interpreter. |
|
294 | """ Shows a prompt for the interpreter. | |
@@ -299,7 +301,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
299 | """ Called when the kernel manager has started listening. |
|
301 | """ Called when the kernel manager has started listening. | |
300 | """ |
|
302 | """ | |
301 | self._reset() |
|
303 | self._reset() | |
302 |
self.append |
|
304 | self._append_plain_text(self._get_banner()) | |
303 | self._show_interpreter_prompt() |
|
305 | self._show_interpreter_prompt() | |
304 |
|
306 | |||
305 | def _stopped_channels(self): |
|
307 | def _stopped_channels(self): | |
@@ -315,8 +317,8 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
315 | # Calculate where the cursor should be *after* the change: |
|
317 | # Calculate where the cursor should be *after* the change: | |
316 | position += added |
|
318 | position += added | |
317 |
|
319 | |||
318 | document = self.document() |
|
320 | document = self._control.document() | |
319 |
if position == self. |
|
321 | if position == self._get_cursor().position(): | |
320 | self._call_tip() |
|
322 | self._call_tip() | |
321 |
|
323 | |||
322 | def _handle_req(self, req): |
|
324 | def _handle_req(self, req): | |
@@ -336,11 +338,11 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
336 | handler(omsg) |
|
338 | handler(omsg) | |
337 |
|
339 | |||
338 | def _handle_pyout(self, omsg): |
|
340 | def _handle_pyout(self, omsg): | |
339 |
self.append |
|
341 | self._append_plain_text(omsg['content']['data'] + '\n') | |
340 |
|
342 | |||
341 | def _handle_stream(self, omsg): |
|
343 | def _handle_stream(self, omsg): | |
342 |
self.append |
|
344 | self._append_plain_text(omsg['content']['data']) | |
343 | self.moveCursor(QtGui.QTextCursor.End) |
|
345 | self._control.moveCursor(QtGui.QTextCursor.End) | |
344 |
|
346 | |||
345 | def _handle_execute_reply(self, reply): |
|
347 | def _handle_execute_reply(self, reply): | |
346 | if self._hidden: |
|
348 | if self._hidden: | |
@@ -355,7 +357,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
355 | self._handle_execute_error(reply) |
|
357 | self._handle_execute_error(reply) | |
356 | elif status == 'aborted': |
|
358 | elif status == 'aborted': | |
357 | text = "ERROR: ABORTED\n" |
|
359 | text = "ERROR: ABORTED\n" | |
358 |
self.append |
|
360 | self._append_plain_text(text) | |
359 | self._hidden = True |
|
361 | self._hidden = True | |
360 | self._show_interpreter_prompt() |
|
362 | self._show_interpreter_prompt() | |
361 | self.executed.emit(reply) |
|
363 | self.executed.emit(reply) | |
@@ -363,10 +365,10 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
363 | def _handle_execute_error(self, reply): |
|
365 | def _handle_execute_error(self, reply): | |
364 | content = reply['content'] |
|
366 | content = reply['content'] | |
365 | traceback = ''.join(content['traceback']) |
|
367 | traceback = ''.join(content['traceback']) | |
366 |
self.append |
|
368 | self._append_plain_text(traceback) | |
367 |
|
369 | |||
368 | def _handle_complete_reply(self, rep): |
|
370 | def _handle_complete_reply(self, rep): | |
369 |
cursor = self. |
|
371 | cursor = self._get_cursor() | |
370 | if rep['parent_header']['msg_id'] == self._complete_id and \ |
|
372 | if rep['parent_header']['msg_id'] == self._complete_id and \ | |
371 | cursor.position() == self._complete_pos: |
|
373 | cursor.position() == self._complete_pos: | |
372 | text = '.'.join(self._get_context()) |
|
374 | text = '.'.join(self._get_context()) | |
@@ -374,7 +376,7 b' class FrontendWidget(HistoryConsoleWidget):' | |||||
374 | self._complete_with_items(cursor, rep['content']['matches']) |
|
376 | self._complete_with_items(cursor, rep['content']['matches']) | |
375 |
|
377 | |||
376 | def _handle_object_info_reply(self, rep): |
|
378 | def _handle_object_info_reply(self, rep): | |
377 |
cursor = self. |
|
379 | cursor = self._get_cursor() | |
378 | if rep['parent_header']['msg_id'] == self._calltip_id and \ |
|
380 | if rep['parent_header']['msg_id'] == self._calltip_id and \ | |
379 | cursor.position() == self._calltip_pos: |
|
381 | cursor.position() == self._calltip_pos: | |
380 | doc = rep['content']['docstring'] |
|
382 | doc = rep['content']['docstring'] |
@@ -35,11 +35,11 b' class IPythonWidget(FrontendWidget):' | |||||
35 | out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' |
|
35 | out_prompt = 'Out[<span class="out-prompt-number">%i</span>]: ' | |
36 |
|
36 | |||
37 | #--------------------------------------------------------------------------- |
|
37 | #--------------------------------------------------------------------------- | |
38 |
# ' |
|
38 | # 'object' interface | |
39 | #--------------------------------------------------------------------------- |
|
39 | #--------------------------------------------------------------------------- | |
40 |
|
40 | |||
41 |
def __init__(self, |
|
41 | def __init__(self, *args, **kw): | |
42 |
super(IPythonWidget, self).__init__( |
|
42 | super(IPythonWidget, self).__init__(*args, **kw) | |
43 |
|
43 | |||
44 | # Initialize protected variables. |
|
44 | # Initialize protected variables. | |
45 | self._previous_prompt_blocks = [] |
|
45 | self._previous_prompt_blocks = [] | |
@@ -108,15 +108,15 b' class IPythonWidget(FrontendWidget):' | |||||
108 | ename_styled = '<span class="error">%s</span>' % ename |
|
108 | ename_styled = '<span class="error">%s</span>' % ename | |
109 | traceback = traceback.replace(ename, ename_styled) |
|
109 | traceback = traceback.replace(ename, ename_styled) | |
110 |
|
110 | |||
111 |
self.append |
|
111 | self._append_html(traceback) | |
112 |
|
112 | |||
113 | def _handle_pyout(self, omsg): |
|
113 | def _handle_pyout(self, omsg): | |
114 | """ Reimplemented for IPython-style "display hook". |
|
114 | """ Reimplemented for IPython-style "display hook". | |
115 | """ |
|
115 | """ | |
116 |
self.append |
|
116 | self._append_html(self._make_out_prompt(self._prompt_count)) | |
117 | self._save_prompt_block() |
|
117 | self._save_prompt_block() | |
118 |
|
118 | |||
119 |
self.append |
|
119 | self._append_plain_text(omsg['content']['data'] + '\n') | |
120 |
|
120 | |||
121 | #--------------------------------------------------------------------------- |
|
121 | #--------------------------------------------------------------------------- | |
122 | # 'IPythonWidget' interface |
|
122 | # 'IPythonWidget' interface | |
@@ -144,7 +144,7 b' class IPythonWidget(FrontendWidget):' | |||||
144 | the stylesheet is queried for Pygments style information. |
|
144 | the stylesheet is queried for Pygments style information. | |
145 | """ |
|
145 | """ | |
146 | self.setStyleSheet(stylesheet) |
|
146 | self.setStyleSheet(stylesheet) | |
147 | self.document().setDefaultStyleSheet(stylesheet) |
|
147 | self._control.document().setDefaultStyleSheet(stylesheet) | |
148 |
|
148 | |||
149 | if syntax_style is None: |
|
149 | if syntax_style is None: | |
150 | self._highlighter.set_style_sheet(stylesheet) |
|
150 | self._highlighter.set_style_sheet(stylesheet) | |
@@ -180,7 +180,7 b' class IPythonWidget(FrontendWidget):' | |||||
180 | """ Assuming a prompt has just been written at the end of the buffer, |
|
180 | """ Assuming a prompt has just been written at the end of the buffer, | |
181 | store the QTextBlock that contains it and its length. |
|
181 | store the QTextBlock that contains it and its length. | |
182 | """ |
|
182 | """ | |
183 | block = self.document().lastBlock() |
|
183 | block = self._control.document().lastBlock() | |
184 | self._previous_prompt_blocks.append((block, block.length())) |
|
184 | self._previous_prompt_blocks.append((block, block.length())) | |
185 |
|
185 | |||
186 |
|
186 |
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