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@@ -1,751 +1,812 b'' | |||
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1 | 1 | #!/usr/bin/python |
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2 | 2 | # -*- coding: iso-8859-15 -*- |
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3 | 3 | ''' |
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4 | 4 | Provides IPython WX console widgets. |
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5 | 5 | |
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6 | 6 | @author: Laurent Dufrechou |
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7 | 7 | laurent.dufrechou _at_ gmail.com |
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8 | 8 | This WX widget is based on the original work of Eitan Isaacson |
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9 | 9 | that provided the console for the GTK toolkit. |
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10 | 10 | |
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11 | 11 | Original work from: |
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12 | 12 | @author: Eitan Isaacson |
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13 | 13 | @organization: IBM Corporation |
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14 | 14 | @copyright: Copyright (c) 2007 IBM Corporation |
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15 | 15 | @license: BSD |
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16 | 16 | |
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17 | 17 | All rights reserved. This program and the accompanying materials are made |
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18 | 18 | available under the terms of the BSD which accompanies this distribution, and |
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19 | 19 | is available at U{http://www.opensource.org/licenses/bsd-license.php} |
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20 | 20 | ''' |
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21 | 21 | |
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22 | 22 | __version__ = 0.8 |
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23 | 23 | __author__ = "Laurent Dufrechou" |
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24 | 24 | __email__ = "laurent.dufrechou _at_ gmail.com" |
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25 | 25 | __license__ = "BSD" |
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26 | 26 | |
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27 | 27 | import wx |
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28 | 28 | import wx.stc as stc |
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29 | 29 | import wx.lib.newevent |
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30 | 30 | |
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31 | 31 | import re |
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32 | 32 | import sys |
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33 | 33 | import locale |
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34 | 34 | from StringIO import StringIO |
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35 | 35 | try: |
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36 | 36 | import IPython |
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37 | 37 | except Exception,e: |
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38 | 38 | raise "Error importing IPython (%s)" % str(e) |
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39 | 39 | |
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40 | 40 | from ipshell_nonblocking import NonBlockingIPShell |
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41 | 41 | |
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42 | 42 | |
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43 | 43 | class WxNonBlockingIPShell(NonBlockingIPShell): |
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44 | 44 | ''' |
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45 | 45 | An NonBlockingIPShell Thread that is WX dependent. |
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46 | 46 | ''' |
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47 | 47 | def __init__(self, parent, |
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48 | 48 | argv=[],user_ns={},user_global_ns=None, |
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49 | 49 | cin=None, cout=None, cerr=None, |
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50 | 50 | ask_exit_handler=None): |
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51 | 51 | |
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52 | 52 | NonBlockingIPShell.__init__(self,argv,user_ns,user_global_ns, |
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53 | 53 | cin, cout, cerr, |
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54 | 54 | ask_exit_handler) |
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55 | 55 | |
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56 | 56 | self.parent = parent |
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57 | 57 | |
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58 | 58 | self.ask_exit_callback = ask_exit_handler |
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59 | 59 | self._IP.exit = self._askExit |
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60 | 60 | |
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61 | 61 | def addGUIShortcut(self,text,func): |
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62 | 62 | wx.CallAfter(self.parent.add_button_handler, |
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63 | 63 | button_info={ 'text':text, |
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64 | 64 | 'func':self.parent.doExecuteLine(func)}) |
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65 | 65 | |
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66 | 66 | def _askExit(self): |
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67 | 67 | wx.CallAfter(self.ask_exit_callback, ()) |
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68 | 68 | |
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69 | 69 | def _afterExecute(self): |
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70 | 70 | wx.CallAfter(self.parent.evtStateExecuteDone, ()) |
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71 | 71 | |
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72 | 72 | |
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73 | 73 | class WxConsoleView(stc.StyledTextCtrl): |
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74 | 74 | ''' |
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75 | 75 | Specialized styled text control view for console-like workflow. |
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76 | 76 | We use here a scintilla frontend thus it can be reused in any GUI that |
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77 | 77 | supports scintilla with less work. |
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78 | 78 | |
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79 | 79 | @cvar ANSI_COLORS_BLACK: Mapping of terminal colors to X11 names. |
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80 | 80 | (with Black background) |
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81 | 81 | @type ANSI_COLORS_BLACK: dictionary |
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82 | 82 | |
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83 | 83 | @cvar ANSI_COLORS_WHITE: Mapping of terminal colors to X11 names. |
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84 | 84 | (with White background) |
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85 | 85 | @type ANSI_COLORS_WHITE: dictionary |
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86 | 86 | |
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87 | 87 | @ivar color_pat: Regex of terminal color pattern |
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88 | 88 | @type color_pat: _sre.SRE_Pattern |
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89 | 89 | ''' |
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90 | 90 | ANSI_STYLES_BLACK={'0;30': [0,'WHITE'], '0;31': [1,'RED'], |
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91 | 91 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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92 | 92 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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93 | 93 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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94 | 94 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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95 | 95 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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96 | 96 | '1;34': [12,'LIGHT BLUE'], '1;35': |
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97 | 97 | [13,'MEDIUM VIOLET RED'], |
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98 | 98 | '1;36': [14,'LIGHT STEEL BLUE'],'1;37': [15,'YELLOW']} |
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99 | 99 | |
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100 | 100 | ANSI_STYLES_WHITE={'0;30': [0,'BLACK'], '0;31': [1,'RED'], |
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101 | 101 | '0;32': [2,'GREEN'], '0;33': [3,'BROWN'], |
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102 | 102 | '0;34': [4,'BLUE'], '0;35': [5,'PURPLE'], |
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103 | 103 | '0;36': [6,'CYAN'], '0;37': [7,'LIGHT GREY'], |
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104 | 104 | '1;30': [8,'DARK GREY'], '1;31': [9,'RED'], |
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105 | 105 | '1;32': [10,'SEA GREEN'], '1;33': [11,'YELLOW'], |
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106 | 106 | '1;34': [12,'LIGHT BLUE'], '1;35': |
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107 | 107 | [13,'MEDIUM VIOLET RED'], |
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108 | 108 | '1;36': [14,'LIGHT STEEL BLUE'],'1;37': [15,'YELLOW']} |
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109 | 109 | |
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110 | 110 | def __init__(self,parent,prompt,intro="",background_color="BLACK", |
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111 | 111 | pos=wx.DefaultPosition, ID = -1, size=wx.DefaultSize, |
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112 | style=0): | |
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112 | style=0, autocomplete_mode = 'IPYTHON'): | |
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113 | 113 | ''' |
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114 | 114 | Initialize console view. |
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115 | 115 | |
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116 | 116 | @param parent: Parent widget |
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117 | 117 | @param prompt: User specified prompt |
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118 | 118 | @type intro: string |
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119 | 119 | @param intro: User specified startup introduction string |
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120 | 120 | @type intro: string |
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121 | 121 | @param background_color: Can be BLACK or WHITE |
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122 | 122 | @type background_color: string |
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123 | 123 | @param other: init param of styledTextControl (can be used as-is) |
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124 | @param autocomplete_mode: Can be 'IPYTHON' or 'STC' | |
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125 | 'IPYTHON' show autocompletion the ipython way | |
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126 | 'STC" show it scintilla text control way | |
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124 | 127 | ''' |
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125 | 128 | stc.StyledTextCtrl.__init__(self, parent, ID, pos, size, style) |
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126 | 129 | |
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127 | 130 | ####### Scintilla configuration ################################### |
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128 | 131 | |
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129 | 132 | # Ctrl + B or Ctrl + N can be used to zoomin/zoomout the text inside |
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130 | 133 | # the widget |
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131 | 134 | self.CmdKeyAssign(ord('B'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMIN) |
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132 | 135 | self.CmdKeyAssign(ord('N'), stc.STC_SCMOD_CTRL, stc.STC_CMD_ZOOMOUT) |
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133 | 136 | |
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134 | 137 | #we define platform specific fonts |
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135 | 138 | if wx.Platform == '__WXMSW__': |
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136 | 139 | faces = { 'times': 'Times New Roman', |
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137 | 140 | 'mono' : 'Courier New', |
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138 | 141 | 'helv' : 'Arial', |
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139 | 142 | 'other': 'Comic Sans MS', |
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140 | 143 | 'size' : 10, |
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141 | 144 | 'size2': 8, |
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142 | 145 | } |
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143 | 146 | elif wx.Platform == '__WXMAC__': |
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144 | 147 | faces = { 'times': 'Times New Roman', |
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145 | 148 | 'mono' : 'Monaco', |
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146 | 149 | 'helv' : 'Arial', |
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147 | 150 | 'other': 'Comic Sans MS', |
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148 | 151 | 'size' : 10, |
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149 | 152 | 'size2': 8, |
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150 | 153 | } |
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151 | 154 | else: |
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152 | 155 | faces = { 'times': 'Times', |
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153 | 156 | 'mono' : 'Courier', |
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154 | 157 | 'helv' : 'Helvetica', |
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155 | 158 | 'other': 'new century schoolbook', |
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156 | 159 | 'size' : 10, |
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157 | 160 | 'size2': 8, |
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158 | 161 | } |
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159 | 162 | |
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160 | 163 | #We draw a line at position 80 |
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161 | 164 | self.SetEdgeMode(stc.STC_EDGE_LINE) |
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162 | 165 | self.SetEdgeColumn(80) |
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163 | 166 | self.SetEdgeColour(wx.LIGHT_GREY) |
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164 | 167 | |
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165 | 168 | #self.SetViewWhiteSpace(True) |
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166 | 169 | #self.SetViewEOL(True) |
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167 | 170 | self.SetEOLMode(stc.STC_EOL_CRLF) |
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168 | 171 | #self.SetWrapMode(stc.STC_WRAP_CHAR) |
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169 | 172 | #self.SetWrapMode(stc.STC_WRAP_WORD) |
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170 | 173 | self.SetBufferedDraw(True) |
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171 | 174 | #self.SetUseAntiAliasing(True) |
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172 | 175 | self.SetLayoutCache(stc.STC_CACHE_PAGE) |
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173 | 176 | |
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174 | 177 | self.EnsureCaretVisible() |
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175 | 178 | |
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176 | 179 | self.SetMargins(3,3) #text is moved away from border with 3px |
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177 | 180 | # Suppressing Scintilla margins |
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178 | 181 | self.SetMarginWidth(0,0) |
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179 | 182 | self.SetMarginWidth(1,0) |
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180 | 183 | self.SetMarginWidth(2,0) |
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181 | 184 | |
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182 | 185 | # make some styles |
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183 | 186 | if background_color != "BLACK": |
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184 | 187 | self.background_color = "WHITE" |
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185 | 188 | self.SetCaretForeground("BLACK") |
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186 | 189 | self.ANSI_STYLES = self.ANSI_STYLES_WHITE |
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187 | 190 | else: |
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188 | 191 | self.background_color = background_color |
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189 | 192 | self.SetCaretForeground("WHITE") |
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190 | 193 | self.ANSI_STYLES = self.ANSI_STYLES_BLACK |
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191 | 194 | |
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192 | 195 | self.StyleSetSpec(stc.STC_STYLE_DEFAULT, |
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193 | 196 | "fore:%s,back:%s,size:%d,face:%s" |
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194 | 197 | % (self.ANSI_STYLES['0;30'][1], |
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195 | 198 | self.background_color, |
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196 | 199 | faces['size'], faces['mono'])) |
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197 | 200 | self.StyleClearAll() |
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198 | 201 | self.StyleSetSpec(stc.STC_STYLE_BRACELIGHT, |
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199 | 202 | "fore:#FF0000,back:#0000FF,bold") |
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200 | 203 | self.StyleSetSpec(stc.STC_STYLE_BRACEBAD, |
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201 | 204 | "fore:#000000,back:#FF0000,bold") |
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202 | 205 | |
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203 | 206 | for style in self.ANSI_STYLES.values(): |
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204 | 207 | self.StyleSetSpec(style[0], "bold,fore:%s" % style[1]) |
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205 | 208 | |
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206 | 209 | ####################################################################### |
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207 | 210 | |
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208 | 211 | self.indent = 0 |
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209 | 212 | self.prompt_count = 0 |
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210 | 213 | self.color_pat = re.compile('\x01?\x1b\[(.*?)m\x02?') |
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211 | 214 | |
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212 | 215 | self.write(intro) |
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213 | 216 | self.setPrompt(prompt) |
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214 | 217 | self.showPrompt() |
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218 | ||
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219 | self.autocomplete_mode = autocomplete_mode | |
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215 | 220 | |
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216 | 221 | self.Bind(wx.EVT_KEY_DOWN, self._onKeypress, self) |
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217 | ||
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222 | ||
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218 | 223 | def asyncWrite(self, text): |
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219 | 224 | ''' |
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220 | 225 | Write given text to buffer in an asynchroneous way. |
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221 | 226 | It is used from another thread to be able to acces the GUI. |
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222 | 227 | @param text: Text to append |
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223 | 228 | @type text: string |
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224 | 229 | ''' |
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225 | 230 | try: |
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226 | 231 | #print >>sys.__stdout__,'entering' |
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227 | 232 | wx.MutexGuiEnter() |
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228 | 233 | #print >>sys.__stdout__,'locking the GUI' |
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229 | 234 | |
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230 | 235 | #be sure not to be interrutpted before the MutexGuiLeave! |
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231 | 236 | self.write(text) |
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232 | 237 | #print >>sys.__stdout__,'done' |
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233 | 238 | |
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234 | 239 | except KeyboardInterrupt: |
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235 | 240 | #print >>sys.__stdout__,'got keyboard interrupt' |
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236 | 241 | wx.MutexGuiLeave() |
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237 | 242 | #print >>sys.__stdout__,'interrupt unlock the GUI' |
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238 | 243 | raise KeyboardInterrupt |
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239 | 244 | wx.MutexGuiLeave() |
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240 | 245 | #print >>sys.__stdout__,'normal unlock the GUI' |
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241 | 246 | |
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242 | 247 | |
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243 | 248 | def write(self, text): |
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244 | 249 | ''' |
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245 | 250 | Write given text to buffer. |
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246 | 251 | |
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247 | 252 | @param text: Text to append. |
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248 | 253 | @type text: string |
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249 | 254 | ''' |
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250 | 255 | segments = self.color_pat.split(text) |
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251 | 256 | segment = segments.pop(0) |
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252 | 257 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
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253 | 258 | self.AppendText(segment) |
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254 | 259 | |
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255 | 260 | if segments: |
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256 | 261 | ansi_tags = self.color_pat.findall(text) |
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257 | 262 | |
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258 | 263 | for tag in ansi_tags: |
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259 | 264 | i = segments.index(tag) |
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260 | 265 | self.StartStyling(self.getCurrentLineEnd(),0xFF) |
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261 | 266 | self.AppendText(segments[i+1]) |
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262 | 267 | |
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263 | 268 | if tag != '0': |
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264 | 269 | self.SetStyling(len(segments[i+1]),self.ANSI_STYLES[tag][0]) |
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265 | 270 | |
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266 | 271 | segments.pop(i) |
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267 | 272 | |
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268 | 273 | self.moveCursor(self.getCurrentLineEnd()) |
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269 | 274 | |
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270 | 275 | def getPromptLen(self): |
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271 | 276 | ''' |
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272 | 277 | Return the length of current prompt |
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273 | 278 | ''' |
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274 | 279 | return len(str(self.prompt_count)) + 7 |
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275 | 280 | |
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276 | 281 | def setPrompt(self,prompt): |
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277 | 282 | self.prompt = prompt |
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278 | 283 | |
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279 | 284 | def setIndentation(self,indentation): |
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280 | 285 | self.indent = indentation |
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281 | 286 | |
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282 | 287 | def setPromptCount(self,count): |
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283 | 288 | self.prompt_count = count |
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284 | 289 | |
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285 | 290 | def showPrompt(self): |
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286 | 291 | ''' |
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287 | 292 | Prints prompt at start of line. |
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288 | 293 | |
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289 | 294 | @param prompt: Prompt to print. |
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290 | 295 | @type prompt: string |
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291 | 296 | ''' |
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292 | 297 | self.write(self.prompt) |
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293 | 298 | #now we update the position of end of prompt |
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294 | 299 | self.current_start = self.getCurrentLineEnd() |
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295 | 300 | |
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296 | 301 | autoindent = self.indent*' ' |
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297 | 302 | autoindent = autoindent.replace(' ','\t') |
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298 | 303 | self.write(autoindent) |
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299 | 304 | |
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300 | 305 | def changeLine(self, text): |
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301 | 306 | ''' |
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302 | 307 | Replace currently entered command line with given text. |
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303 | 308 | |
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304 | 309 | @param text: Text to use as replacement. |
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305 | 310 | @type text: string |
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306 | 311 | ''' |
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307 | 312 | self.SetSelection(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
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308 | 313 | self.ReplaceSelection(text) |
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309 | 314 | self.moveCursor(self.getCurrentLineEnd()) |
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310 | 315 | |
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311 | 316 | def getCurrentPromptStart(self): |
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312 | 317 | return self.current_start |
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313 | 318 | |
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314 | 319 | def getCurrentLineStart(self): |
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315 | 320 | return self.GotoLine(self.LineFromPosition(self.GetCurrentPos())) |
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316 | 321 | |
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317 | 322 | def getCurrentLineEnd(self): |
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318 | 323 | return self.GetLength() |
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319 | 324 | |
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320 | 325 | def getCurrentLine(self): |
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321 | 326 | ''' |
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322 | 327 | Get text in current command line. |
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323 | 328 | |
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324 | 329 | @return: Text of current command line. |
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325 | 330 | @rtype: string |
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326 | 331 | ''' |
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327 | 332 | return self.GetTextRange(self.getCurrentPromptStart(), |
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328 | 333 | self.getCurrentLineEnd()) |
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329 | 334 | |
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330 | 335 | def moveCursorOnNewValidKey(self): |
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331 | 336 | #If cursor is at wrong position put it at last line... |
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332 | 337 | if self.GetCurrentPos() < self.getCurrentPromptStart(): |
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333 | 338 | self.GotoPos(self.getCurrentPromptStart()) |
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334 | 339 | |
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335 | 340 | def removeFromTo(self,from_pos,to_pos): |
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336 | 341 | if from_pos < to_pos: |
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337 | 342 | self.SetSelection(from_pos,to_pos) |
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338 | 343 | self.DeleteBack() |
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339 | 344 | |
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340 | 345 | def removeCurrentLine(self): |
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341 | 346 | self.LineDelete() |
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342 | 347 | |
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343 | 348 | def moveCursor(self,position): |
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344 | 349 | self.GotoPos(position) |
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345 | 350 | |
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346 | 351 | def getCursorPos(self): |
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347 | 352 | return self.GetCurrentPos() |
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348 | 353 | |
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349 | 354 | def selectFromTo(self,from_pos,to_pos): |
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350 | 355 | self.SetSelectionStart(from_pos) |
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351 | 356 | self.SetSelectionEnd(to_pos) |
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352 | 357 | |
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353 | 358 | def writeHistory(self,history): |
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354 | 359 | self.removeFromTo(self.getCurrentPromptStart(),self.getCurrentLineEnd()) |
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355 | 360 | self.changeLine(history) |
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361 | ||
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362 | def setCompletionMethod(self, completion): | |
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363 | if completion in ['IPYTHON','STC']: | |
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364 | self.autocomplete_mode = completion | |
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365 | else: | |
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366 | raise AttributeError | |
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367 | ||
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368 | def getCompletionMethod(self, completion): | |
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369 | return self.autocomplete_mode | |
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356 | 370 | |
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357 | 371 | def writeCompletion(self, possibilities): |
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358 | max_len = len(max(possibilities,key=len)) | |
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359 | max_symbol =' '*max_len | |
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360 | ||
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361 | #now we check how much symbol we can put on a line... | |
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362 | cursor_pos = self.getCursorPos() | |
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363 | test_buffer = max_symbol + ' '*4 | |
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364 | current_lines = self.GetLineCount() | |
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365 | ||
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366 | allowed_symbols = 80/len(test_buffer) | |
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367 |
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368 |
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372 | if self.autocomplete_mode == 'IPYTHON': | |
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373 | max_len = len(max(possibilities,key=len)) | |
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374 | max_symbol =' '*max_len | |
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375 | ||
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376 | #now we check how much symbol we can put on a line... | |
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377 | cursor_pos = self.getCursorPos() | |
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378 | test_buffer = max_symbol + ' '*4 | |
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379 | current_lines = self.GetLineCount() | |
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380 | ||
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381 | allowed_symbols = 80/len(test_buffer) | |
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382 | if allowed_symbols == 0: | |
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383 | allowed_symbols = 1 | |
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384 | ||
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385 | pos = 1 | |
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386 | buf = '' | |
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387 | for symbol in possibilities: | |
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388 | #buf += symbol+'\n'#*spaces) | |
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389 | if pos<allowed_symbols: | |
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390 | spaces = max_len - len(symbol) + 4 | |
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391 | buf += symbol+' '*spaces | |
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392 | pos += 1 | |
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393 | else: | |
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394 | buf+=symbol+'\n' | |
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395 | pos = 1 | |
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396 | self.write(buf) | |
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397 | else: | |
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398 | possibilities.sort() # Python sorts are case sensitive | |
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399 | self.AutoCompSetIgnoreCase(False) | |
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400 | #let compute the length ot last word | |
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401 | splitter = [' ','(','[','{'] | |
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402 | last_word = self.getCurrentLine() | |
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403 | for breaker in splitter: | |
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404 | last_word = last_word.split(breaker)[-1] | |
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405 | self.AutoCompShow(len(last_word), " ".join(possibilities)) | |
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369 | 406 | |
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370 | pos = 1 | |
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371 | buf = '' | |
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372 | for symbol in possibilities: | |
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373 | #buf += symbol+'\n'#*spaces) | |
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374 | if pos<allowed_symbols: | |
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375 | spaces = max_len - len(symbol) + 4 | |
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376 | buf += symbol+' '*spaces | |
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377 | pos += 1 | |
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378 | else: | |
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379 | buf+=symbol+'\n' | |
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380 | pos = 1 | |
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381 | self.write(buf) | |
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382 | ||
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383 | 407 | def _onKeypress(self, event, skip=True): |
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384 | 408 | ''' |
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385 | 409 | Key press callback used for correcting behavior for console-like |
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386 | 410 | interfaces. For example 'home' should go to prompt, not to begining of |
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387 | 411 | line. |
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388 | 412 | |
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389 | 413 | @param widget: Widget that key press accored in. |
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390 | 414 | @type widget: gtk.Widget |
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391 | 415 | @param event: Event object |
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392 | 416 | @type event: gtk.gdk.Event |
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393 | 417 | |
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394 | 418 | @return: Return True if event as been catched. |
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395 | 419 | @rtype: boolean |
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396 | 420 | ''' |
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397 | if event.GetKeyCode() == wx.WXK_HOME: | |
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398 | if event.Modifiers == wx.MOD_NONE: | |
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399 | self.moveCursorOnNewValidKey() | |
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400 | self.moveCursor(self.getCurrentPromptStart()) | |
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401 | return True | |
|
402 | elif event.Modifiers == wx.MOD_SHIFT: | |
|
403 | self.moveCursorOnNewValidKey() | |
|
404 | self.selectFromTo(self.getCurrentPromptStart(),self.getCursorPos()) | |
|
405 | return True | |
|
406 | else: | |
|
407 | return False | |
|
408 | 421 | |
|
409 | elif event.GetKeyCode() == wx.WXK_LEFT: | |
|
410 |
if event. |
|
|
411 | self.moveCursorOnNewValidKey() | |
|
412 | ||
|
413 | self.moveCursor(self.getCursorPos()-1) | |
|
414 | if self.getCursorPos() < self.getCurrentPromptStart(): | |
|
422 | if not self.AutoCompActive(): | |
|
423 | if event.GetKeyCode() == wx.WXK_HOME: | |
|
424 | if event.Modifiers == wx.MOD_NONE: | |
|
425 | self.moveCursorOnNewValidKey() | |
|
415 | 426 | self.moveCursor(self.getCurrentPromptStart()) |
|
427 | return True | |
|
428 | elif event.Modifiers == wx.MOD_SHIFT: | |
|
429 | self.moveCursorOnNewValidKey() | |
|
430 | self.selectFromTo(self.getCurrentPromptStart(),self.getCursorPos()) | |
|
431 | return True | |
|
432 | else: | |
|
433 | return False | |
|
434 | ||
|
435 | elif event.GetKeyCode() == wx.WXK_LEFT: | |
|
436 | if event.Modifiers == wx.MOD_NONE: | |
|
437 | self.moveCursorOnNewValidKey() | |
|
438 | ||
|
439 | self.moveCursor(self.getCursorPos()-1) | |
|
440 | if self.getCursorPos() < self.getCurrentPromptStart(): | |
|
441 | self.moveCursor(self.getCurrentPromptStart()) | |
|
442 | return True | |
|
443 | ||
|
444 | elif event.GetKeyCode() == wx.WXK_BACK: | |
|
445 | self.moveCursorOnNewValidKey() | |
|
446 | if self.getCursorPos() > self.getCurrentPromptStart(): | |
|
447 | event.Skip() | |
|
416 | 448 | return True |
|
417 | ||
|
418 | elif event.GetKeyCode() == wx.WXK_BACK: | |
|
419 | self.moveCursorOnNewValidKey() | |
|
420 | if self.getCursorPos() > self.getCurrentPromptStart(): | |
|
449 | ||
|
450 | if skip: | |
|
451 | if event.GetKeyCode() not in [wx.WXK_PAGEUP,wx.WXK_PAGEDOWN] and event.Modifiers == wx.MOD_NONE: | |
|
452 | self.moveCursorOnNewValidKey() | |
|
453 | ||
|
421 | 454 | event.Skip() |
|
422 | return True | |
|
423 | ||
|
424 |
|
|
|
425 | if event.GetKeyCode() not in [wx.WXK_PAGEUP,wx.WXK_PAGEDOWN] and event.Modifiers == wx.MOD_NONE: | |
|
426 | self.moveCursorOnNewValidKey() | |
|
427 | ||
|
455 | return True | |
|
456 | return False | |
|
457 | else: | |
|
428 | 458 | event.Skip() |
|
429 |
|
|
|
430 | return False | |
|
431 | ||
|
459 | ||
|
432 | 460 | def OnUpdateUI(self, evt): |
|
433 | 461 | # check for matching braces |
|
434 | 462 | braceAtCaret = -1 |
|
435 | 463 | braceOpposite = -1 |
|
436 | 464 | charBefore = None |
|
437 | 465 | caretPos = self.GetCurrentPos() |
|
438 | 466 | |
|
439 | 467 | if caretPos > 0: |
|
440 | 468 | charBefore = self.GetCharAt(caretPos - 1) |
|
441 | 469 | styleBefore = self.GetStyleAt(caretPos - 1) |
|
442 | 470 | |
|
443 | 471 | # check before |
|
444 | 472 | if charBefore and chr(charBefore) in "[]{}()" and styleBefore == stc.STC_P_OPERATOR: |
|
445 | 473 | braceAtCaret = caretPos - 1 |
|
446 | 474 | |
|
447 | 475 | # check after |
|
448 | 476 | if braceAtCaret < 0: |
|
449 | 477 | charAfter = self.GetCharAt(caretPos) |
|
450 | 478 | styleAfter = self.GetStyleAt(caretPos) |
|
451 | 479 | |
|
452 | 480 | if charAfter and chr(charAfter) in "[]{}()" and styleAfter == stc.STC_P_OPERATOR: |
|
453 | 481 | braceAtCaret = caretPos |
|
454 | 482 | |
|
455 | 483 | if braceAtCaret >= 0: |
|
456 | 484 | braceOpposite = self.BraceMatch(braceAtCaret) |
|
457 | 485 | |
|
458 | 486 | if braceAtCaret != -1 and braceOpposite == -1: |
|
459 | 487 | self.BraceBadLight(braceAtCaret) |
|
460 | 488 | else: |
|
461 | 489 | self.BraceHighlight(braceAtCaret, braceOpposite) |
|
462 | 490 | #pt = self.PointFromPosition(braceOpposite) |
|
463 | 491 | #self.Refresh(True, wxRect(pt.x, pt.y, 5,5)) |
|
464 | 492 | #print pt |
|
465 | 493 | #self.Refresh(False) |
|
466 | 494 | |
|
467 | 495 | class IPShellWidget(wx.Panel): |
|
468 | 496 | ''' |
|
469 | 497 | This is wx.Panel that embbed the IPython Thread and the wx.StyledTextControl |
|
470 | 498 | If you want to port this to any other GUI toolkit, just replace the |
|
471 | 499 | WxConsoleView by YOURGUIConsoleView and make YOURGUIIPythonView derivate |
|
472 | 500 | from whatever container you want. I've choosed to derivate from a wx.Panel |
|
473 | 501 | because it seems to be more useful |
|
474 | 502 | Any idea to make it more 'generic' welcomed. |
|
475 | 503 | ''' |
|
476 | 504 | |
|
477 | 505 | def __init__(self, parent, intro=None, |
|
478 | 506 | background_color="BLACK", add_button_handler=None, |
|
479 | 507 | wx_ip_shell=None, user_ns={},user_global_ns=None, |
|
480 | 508 | ): |
|
481 | 509 | ''' |
|
482 | 510 | Initialize. |
|
483 | 511 | Instanciate an IPython thread. |
|
484 | 512 | Instanciate a WxConsoleView. |
|
485 | 513 | Redirect I/O to console. |
|
486 | 514 | ''' |
|
487 | 515 | wx.Panel.__init__(self,parent,wx.ID_ANY) |
|
488 | 516 | |
|
489 | 517 | ### IPython non blocking shell instanciation ### |
|
490 | 518 | self.cout = StringIO() |
|
491 | 519 | self.add_button_handler = add_button_handler |
|
492 | 520 | |
|
493 | 521 | if wx_ip_shell is not None: |
|
494 | 522 | self.IP = wx_ip_shell |
|
495 | 523 | else: |
|
496 | 524 | self.IP = WxNonBlockingIPShell(self, |
|
497 | 525 | cout = self.cout, cerr = self.cout, |
|
498 | 526 | ask_exit_handler = self.askExitCallback) |
|
499 | 527 | |
|
500 | 528 | ### IPython wx console view instanciation ### |
|
501 | 529 | #If user didn't defined an intro text, we create one for him |
|
502 | 530 | #If you really wnat an empty intrp just call wxIPythonViewPanel |
|
503 | 531 | #with intro='' |
|
504 | 532 | if intro is None: |
|
505 | 533 | welcome_text = "Welcome to WxIPython Shell.\n\n" |
|
506 | 534 | welcome_text+= self.IP.getBanner() |
|
507 | 535 | welcome_text+= "!command -> Execute command in shell\n" |
|
508 | 536 | welcome_text+= "TAB -> Autocompletion\n" |
|
509 | 537 | else: |
|
510 | 538 | welcome_text = intro |
|
511 | 539 | |
|
512 | 540 | self.text_ctrl = WxConsoleView(self, |
|
513 | 541 | self.IP.getPrompt(), |
|
514 | 542 | intro=welcome_text, |
|
515 | 543 | background_color=background_color) |
|
516 | 544 | |
|
517 | 545 | self.cout.write = self.text_ctrl.asyncWrite |
|
546 | ||
|
547 | self.completion_option = wx.CheckBox(self, -1, "Scintilla completion") | |
|
548 | self.completion_option.SetValue(False) | |
|
549 | option_text = wx.StaticText(self,-1,'Options:') | |
|
518 | 550 | |
|
519 | 551 | self.text_ctrl.Bind(wx.EVT_KEY_DOWN, self.keyPress) |
|
520 | ||
|
552 | self.Bind(wx.EVT_CHECKBOX, self.evtCheckOptionCompletion, self.completion_option) | |
|
553 | ||
|
521 | 554 | ### making the layout of the panel ### |
|
522 | 555 | sizer = wx.BoxSizer(wx.VERTICAL) |
|
523 | 556 | sizer.Add(self.text_ctrl, 1, wx.EXPAND) |
|
557 | option_sizer = wx.BoxSizer(wx.HORIZONTAL) | |
|
558 | sizer.Add(option_sizer,0) | |
|
559 | option_sizer.AddMany([(10,15), | |
|
560 | option_text, | |
|
561 | (20,15), | |
|
562 | self.completion_option | |
|
563 | ]) | |
|
524 | 564 | self.SetAutoLayout(True) |
|
525 | 565 | sizer.Fit(self) |
|
526 | 566 | sizer.SetSizeHints(self) |
|
527 | 567 | self.SetSizer(sizer) |
|
528 | 568 | #and we focus on the widget :) |
|
529 | 569 | self.SetFocus() |
|
530 | 570 | |
|
531 | 571 | #widget state management (for key handling different cases) |
|
532 | 572 | self.setCurrentState('IDLE') |
|
533 | 573 | self.pager_state = 'DONE' |
|
534 | 574 | self.raw_input_current_line = 0 |
|
535 | 575 | |
|
536 | 576 | def askExitCallback(self, event): |
|
537 | 577 | self.askExitHandler(event) |
|
538 | 578 | |
|
539 | 579 | #---------------------- IPython Thread Management ------------------------ |
|
540 | 580 | def stateDoExecuteLine(self): |
|
541 | 581 | lines=self.text_ctrl.getCurrentLine() |
|
542 | 582 | self.text_ctrl.write('\n') |
|
543 | 583 | lines_to_execute = lines.replace('\t',' '*4) |
|
544 | 584 | lines_to_execute = lines_to_execute.replace('\r\n','\n') |
|
545 | 585 | self.IP.doExecute(lines.encode('cp1252')) |
|
546 | 586 | self.updateHistoryTracker(lines) |
|
547 | 587 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
548 | 588 | |
|
549 | 589 | def evtStateExecuteDone(self,evt): |
|
550 | 590 | self.doc = self.IP.getDocText() |
|
551 | 591 | self.help = self.IP.getHelpText() |
|
552 | 592 | if self.doc: |
|
553 | 593 | self.pager_lines = self.doc[7:].split('\n') |
|
554 | 594 | self.pager_state = 'INIT' |
|
555 | 595 | self.setCurrentState('SHOW_DOC') |
|
556 | 596 | self.pager(self.doc) |
|
557 | 597 | elif self.help: |
|
558 | 598 | self.pager_lines = self.help.split('\n') |
|
559 | 599 | self.pager_state = 'INIT' |
|
560 | 600 | self.setCurrentState('SHOW_DOC') |
|
561 | 601 | self.pager(self.help) |
|
562 | 602 | else: |
|
563 | 603 | self.stateShowPrompt() |
|
564 | 604 | |
|
565 | 605 | def stateShowPrompt(self): |
|
566 | 606 | self.setCurrentState('SHOW_PROMPT') |
|
567 | 607 | self.text_ctrl.setPrompt(self.IP.getPrompt()) |
|
568 | 608 | self.text_ctrl.setIndentation(self.IP.getIndentation()) |
|
569 | 609 | self.text_ctrl.setPromptCount(self.IP.getPromptCount()) |
|
570 | 610 | self.text_ctrl.showPrompt() |
|
571 | 611 | self.IP.initHistoryIndex() |
|
572 | 612 | self.setCurrentState('IDLE') |
|
573 | 613 | |
|
574 | 614 | def setCurrentState(self, state): |
|
575 | 615 | self.cur_state = state |
|
576 | 616 | self.updateStatusTracker(self.cur_state) |
|
577 | 617 | |
|
578 | 618 | def pager(self,text): |
|
579 | 619 | |
|
580 | 620 | if self.pager_state == 'INIT': |
|
581 | 621 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
582 | 622 | self.pager_nb_lines = len(self.pager_lines) |
|
583 | 623 | self.pager_index = 0 |
|
584 | 624 | self.pager_do_remove = False |
|
585 | 625 | self.text_ctrl.write('\n') |
|
586 | 626 | self.pager_state = 'PROCESS_LINES' |
|
587 | 627 | |
|
588 | 628 | if self.pager_state == 'PROCESS_LINES': |
|
589 | 629 | #print >>sys.__stdout__,"PAGER state:",self.pager_state |
|
590 | 630 | if self.pager_do_remove == True: |
|
591 | 631 | self.text_ctrl.removeCurrentLine() |
|
592 | 632 | self.pager_do_remove = False |
|
593 | 633 | |
|
594 | 634 | if self.pager_nb_lines > 10: |
|
595 | 635 | #print >>sys.__stdout__,"PAGER processing 10 lines" |
|
596 | 636 | if self.pager_index > 0: |
|
597 | 637 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
598 | 638 | else: |
|
599 | 639 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
600 | 640 | |
|
601 | 641 | for line in self.pager_lines[self.pager_index+1:self.pager_index+9]: |
|
602 | 642 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
603 | 643 | self.pager_index += 10 |
|
604 | 644 | self.pager_nb_lines -= 10 |
|
605 | 645 | self.text_ctrl.write("--- Push Enter to continue or 'Q' to quit---") |
|
606 | 646 | self.pager_do_remove = True |
|
607 | 647 | self.pager_state = 'WAITING' |
|
608 | 648 | return |
|
609 | 649 | else: |
|
610 | 650 | #print >>sys.__stdout__,"PAGER processing last lines" |
|
611 | 651 | if self.pager_nb_lines > 0: |
|
612 | 652 | if self.pager_index > 0: |
|
613 | 653 | self.text_ctrl.write(">\x01\x1b[1;36m\x02"+self.pager_lines[self.pager_index]+'\n') |
|
614 | 654 | else: |
|
615 | 655 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+self.pager_lines[self.pager_index]+'\n') |
|
616 | 656 | |
|
617 | 657 | self.pager_index += 1 |
|
618 | 658 | self.pager_nb_lines -= 1 |
|
619 | 659 | if self.pager_nb_lines > 0: |
|
620 | 660 | for line in self.pager_lines[self.pager_index:]: |
|
621 | 661 | self.text_ctrl.write("\x01\x1b[1;36m\x02 "+line+'\n') |
|
622 | 662 | self.pager_nb_lines = 0 |
|
623 | 663 | self.pager_state = 'DONE' |
|
624 | 664 | self.stateShowPrompt() |
|
625 | 665 | |
|
626 | 666 | #------------------------ Key Handler ------------------------------------ |
|
627 | 667 | def keyPress(self, event): |
|
628 | 668 | ''' |
|
629 | 669 | Key press callback with plenty of shell goodness, like history, |
|
630 | 670 | autocompletions, etc. |
|
631 | 671 | ''' |
|
632 | 672 | if event.GetKeyCode() == ord('C'): |
|
633 | if event.Modifiers == wx.MOD_CONTROL: | |
|
673 | if event.Modifiers == wx.MOD_CONTROL or event.Modifiers == wx.MOD_ALT: | |
|
634 | 674 | if self.cur_state == 'WAIT_END_OF_EXECUTION': |
|
635 | 675 | #we raise an exception inside the IPython thread container |
|
636 | 676 | self.IP.ce.raise_exc(KeyboardInterrupt) |
|
637 | 677 | return |
|
638 | 678 | |
|
679 | #let this before 'wx.WXK_RETURN' because we have to put 'IDLE' | |
|
680 | #mode if AutoComp has been set as inactive | |
|
681 | if self.cur_state == 'COMPLETING': | |
|
682 | if not self.text_ctrl.AutoCompActive(): | |
|
683 | self.cur_state = 'IDLE' | |
|
684 | else: | |
|
685 | event.Skip() | |
|
686 | ||
|
639 | 687 | if event.KeyCode == wx.WXK_RETURN: |
|
640 | 688 | if self.cur_state == 'IDLE': |
|
641 | 689 | #we change the state ot the state machine |
|
642 | 690 | self.setCurrentState('DO_EXECUTE_LINE') |
|
643 | 691 | self.stateDoExecuteLine() |
|
644 | 692 | return |
|
645 | 693 | |
|
646 | 694 | if self.pager_state == 'WAITING': |
|
647 | 695 | self.pager_state = 'PROCESS_LINES' |
|
648 | 696 | self.pager(self.doc) |
|
649 | 697 | return |
|
650 | 698 | |
|
651 | 699 | if self.cur_state == 'WAITING_USER_INPUT': |
|
652 | 700 | line=self.text_ctrl.getCurrentLine() |
|
653 | 701 | self.text_ctrl.write('\n') |
|
654 | 702 | self.setCurrentState('WAIT_END_OF_EXECUTION') |
|
655 | 703 | return |
|
656 | 704 | |
|
657 | 705 | if event.GetKeyCode() in [ord('q'),ord('Q')]: |
|
658 | 706 | if self.pager_state == 'WAITING': |
|
659 | 707 | self.pager_state = 'DONE' |
|
660 | 708 | self.text_ctrl.write('\n') |
|
661 | 709 | self.stateShowPrompt() |
|
662 | 710 | return |
|
663 | 711 | |
|
664 | 712 | if self.cur_state == 'WAITING_USER_INPUT': |
|
665 | 713 | event.Skip() |
|
666 | ||
|
714 | ||
|
667 | 715 | if self.cur_state == 'IDLE': |
|
668 | 716 | if event.KeyCode == wx.WXK_UP: |
|
669 | 717 | history = self.IP.historyBack() |
|
670 | 718 | self.text_ctrl.writeHistory(history) |
|
671 | 719 | return |
|
672 | 720 | if event.KeyCode == wx.WXK_DOWN: |
|
673 | 721 | history = self.IP.historyForward() |
|
674 | 722 | self.text_ctrl.writeHistory(history) |
|
675 | 723 | return |
|
676 | 724 | if event.KeyCode == wx.WXK_TAB: |
|
677 | 725 | #if line empty we disable tab completion |
|
678 | 726 | if not self.text_ctrl.getCurrentLine().strip(): |
|
679 | 727 | self.text_ctrl.write('\t') |
|
680 | 728 | return |
|
681 | 729 | completed, possibilities = self.IP.complete(self.text_ctrl.getCurrentLine()) |
|
682 | 730 | if len(possibilities) > 1: |
|
683 |
|
|
|
684 |
self.text_ctrl. |
|
|
685 |
self.text_ctrl.write |
|
|
686 |
self.text_ctrl.write( |
|
|
687 | ||
|
688 | self.text_ctrl.showPrompt() | |
|
689 |
self.text_ctrl. |
|
|
690 |
self.text_ctrl. |
|
|
691 | ||
|
731 | if self.text_ctrl.autocomplete_mode == 'IPYTHON': | |
|
732 | cur_slice = self.text_ctrl.getCurrentLine() | |
|
733 | self.text_ctrl.write('\n') | |
|
734 | self.text_ctrl.writeCompletion(possibilities) | |
|
735 | self.text_ctrl.write('\n') | |
|
736 | ||
|
737 | self.text_ctrl.showPrompt() | |
|
738 | self.text_ctrl.write(cur_slice) | |
|
739 | self.text_ctrl.changeLine(completed or cur_slice) | |
|
740 | else: | |
|
741 | self.cur_state = 'COMPLETING' | |
|
742 | self.text_ctrl.writeCompletion(possibilities) | |
|
743 | else: | |
|
744 | self.text_ctrl.changeLine(completed or cur_slice) | |
|
692 | 745 | return |
|
693 | 746 | event.Skip() |
|
747 | ||
|
748 | #------------------------ Option Section --------------------------------- | |
|
749 | def evtCheckOptionCompletion(self, event): | |
|
750 | if event.IsChecked(): | |
|
751 | self.text_ctrl.setCompletionMethod('STC') | |
|
752 | else: | |
|
753 | self.text_ctrl.setCompletionMethod('IPYTHON') | |
|
754 | self.text_ctrl.SetFocus() | |
|
694 | 755 | |
|
695 | 756 | #------------------------ Hook Section ----------------------------------- |
|
696 | 757 | def updateHistoryTracker(self,command_line): |
|
697 | 758 | ''' |
|
698 | 759 | Default history tracker (does nothing) |
|
699 | 760 | ''' |
|
700 | 761 | pass |
|
701 | 762 | |
|
702 | 763 | def setHistoryTrackerHook(self,func): |
|
703 | 764 | ''' |
|
704 | 765 | Define a new history tracker |
|
705 | 766 | ''' |
|
706 | 767 | self.updateHistoryTracker = func |
|
707 | 768 | |
|
708 | 769 | def updateStatusTracker(self,status): |
|
709 | 770 | ''' |
|
710 | 771 | Default status tracker (does nothing) |
|
711 | 772 | ''' |
|
712 | 773 | pass |
|
713 | 774 | |
|
714 | 775 | def setStatusTrackerHook(self,func): |
|
715 | 776 | ''' |
|
716 | 777 | Define a new status tracker |
|
717 | 778 | ''' |
|
718 | 779 | self.updateStatusTracker = func |
|
719 | 780 | |
|
720 | 781 | def askExitHandler(self, event): |
|
721 | 782 | ''' |
|
722 | 783 | Default exit handler |
|
723 | 784 | ''' |
|
724 | 785 | self.text_ctrl.write('\nExit callback has not been set.') |
|
725 | 786 | |
|
726 | 787 | def setAskExitHandler(self, func): |
|
727 | 788 | ''' |
|
728 | 789 | Define an exit handler |
|
729 | 790 | ''' |
|
730 | 791 | self.askExitHandler = func |
|
731 | 792 | |
|
732 | 793 | if __name__ == '__main__': |
|
733 | 794 | # Some simple code to test the shell widget. |
|
734 | 795 | class MainWindow(wx.Frame): |
|
735 | 796 | def __init__(self, parent, id, title): |
|
736 | 797 | wx.Frame.__init__(self, parent, id, title, size=(300,250)) |
|
737 | 798 | self._sizer = wx.BoxSizer(wx.VERTICAL) |
|
738 | 799 | self.shell = IPShellWidget(self) |
|
739 | 800 | self._sizer.Add(self.shell, 1, wx.EXPAND) |
|
740 | 801 | self.SetSizer(self._sizer) |
|
741 | 802 | self.SetAutoLayout(1) |
|
742 | 803 | self.Show(True) |
|
743 | 804 | |
|
744 | 805 | app = wx.PySimpleApp() |
|
745 | 806 | frame = MainWindow(None, wx.ID_ANY, 'Ipython') |
|
746 | 807 | frame.SetSize((780, 460)) |
|
747 | 808 | shell = frame.shell |
|
748 | 809 | |
|
749 | 810 | app.MainLoop() |
|
750 | 811 | |
|
751 | 812 |
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