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2 @node Mouse Selection, Additional Mouse Operations, Mark, Top
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3 @comment node-name, next, previous, up
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4 @section Selecting Text with the Mouse
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5 @cindex mouse selection
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6
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7 @cindex pointer shapes
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8 If you are using XEmacs under X, you can use the mouse pointer
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9 to select text. (The normal mouse pointer is an I-beam, the same
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10 pointer that @code{xterm} uses.)
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11
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12 @vindex modeline-pointer-glyph
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13 @vindex nontext-pointer-glyph
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14 @vindex text-pointer-glyph
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15 The glyph variable @code{text-pointer-glyph} controls the shape of
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16 the mouse pointer when over text. You can also control the shape
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17 of the mouse pointer when over nontext using @code{nontext-pointer-glyph},
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18 and the shape of the mouse pointer when over the modeline using
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19 @code{modeline-pointer-glyph}. (Remember, you should use
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20 @code{set-glyph-image}, not @code{setq}, to set one of these
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21 variables.)
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22
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23 @cindex pointer face
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24 If you want to get fancy, you can set the foreground and background
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25 colors of the mouse pointer by setting the @code{pointer} face.
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26
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27 There are two ways to select a region of text with the mouse:
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28
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29 To select a word in text, double-click with the left mouse button
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30 while the mouse cursor is over the word. The word is highlighted when
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31 selected. On monochrome monitors, a stippled background indicates that a
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32 region of text has been highlighted. On color monitors, a color
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33 background indicates highlighted text. You can triple-click to select
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34 whole lines.
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35
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36 To select an arbitrary region of text:
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37
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38 @enumerate
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39 @item
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40 Move the mouse cursor over the character at the beginning of the region of
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41 text you want to select.
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42 @item
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43 Press and hold the left mouse button.
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44 @item
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45 While holding the left mouse button down, drag the cursor to the
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46 character at the end of the region of text you want to select.
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47 @item
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48 Release the left mouse button.
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49 @end enumerate
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50 The selected region of text is highlighted.
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51
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52 Once a region of text is selected, it becomes the primary X selection
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53 (@pxref{Using X Selections}) as well as the Emacs selected region. You
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54 can paste it into other X applications and use the options from the
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55 @b{Edit} pull-down menu on it. Since it is also the Emacs region, you
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56 can use Emacs region commands on it.
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57
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58 @node Additional Mouse Operations, Killing, Mouse Selection, Top
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59 @section Additional Mouse Operations
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60 @cindex mouse operations
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61
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62 XEmacs also provides the following mouse functions. Most of these are
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63 not bound to mouse gestures by default, but they are provided for your
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64 customization pleasure. For example, if you wanted @kbd{shift-left}
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65 (that is, holding down the @key{Shift} key and clicking the left mouse
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66 button) to delete the character at which you are pointing, then you
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67 could do this:
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68
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69 @example
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70 (global-set-key '(shift button1) 'mouse-del-char)
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71 @end example
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72
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73 @findex mouse-del-char
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74 @findex mouse-delete-window
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75 @findex mouse-keep-one-window
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76 @findex mouse-kill-line
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77 @findex mouse-line-length
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78 @findex mouse-scroll
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79 @findex mouse-select
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80 @findex mouse-select-and-split
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81 @findex mouse-set-mark
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82 @findex mouse-set-point
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83 @findex mouse-track
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84 @findex mouse-track-adjust
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85 @findex mouse-track-and-copy-to-cutbuffer
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86 @findex mouse-track-delete-and-insert
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87
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88 @table @kbd
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89 @item mouse-del-char
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90 Delete the character pointed to by the mouse.
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91 @item mouse-delete-window
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92 Delete the Emacs window that the mouse is on.
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93 @item mouse-keep-one-window
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94 Select the Emacs window that the mouse is on, then delete all other
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95 windows on this frame.
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96 @item mouse-kill-line
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97 Kill the line pointed to by the mouse.
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98 @item mouse-line-length
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99 Print the length of the line indicated by the pointer.
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100 @item mouse-scroll
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101 Scroll point to the mouse position.
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102 @item mouse-select
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103 Select the Emacs window the mouse is on.
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104 @item mouse-select-and-split
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105 Select the Emacs window mouse is on, then split it vertically in half.
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106 @item mouse-set-mark
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107 Select the Emacs window the mouse is on and set the mark at the mouse
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108 position. Display the cursor at that position for a second.
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109 @item mouse-set-point
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110 Select the Emacs window that the mouse is on and move point to the
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111 mouse position.
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112 @item mouse-track
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113 Make a selection with the mouse. This is the default binding of
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114 the left mouse button (@key{button1}).
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115 @item mouse-track-adjust
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116 Extend the existing selection. This is the default binding of
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117 @key{Shift-button1}.
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118 @item mouse-track-and-copy-to-cutbuffer
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119 Make a selection like @code{mouse-track}, but also copy it to the cut buffer.
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120 @item mouse-track-delete-and-insert
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121 Make a selection with the mouse and insert it at point. This is the
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122 default binding of @key{control-shift-button1}.
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123 @item mouse-track-insert
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124 Make a selection with the mouse and insert it at point.
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125 This is the default binding of @key{control-button1}.
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126 @item mouse-window-to-region
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127 Narrow a window to the region between the cursor and the mouse pointer.
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128 @end table
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129
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130 The @kbd{M-x mouse-track} command should be bound to a mouse button. If
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131 you click-and-drag, the selection is set to the region between the
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132 point of the initial click and the point at which you release the
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133 button. These positions do not need to be ordered.
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134
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135 If you click-and-release without moving the mouse, the point is moved,
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136 and the selection is disowned (there will be no selection owner.) The
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137 mark will be set to the previous position of point.
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138
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139 If you double-click, the selection will extend by symbols instead of by
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140 characters. If you triple-click, the selection will extend by lines.
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141
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142 If you drag the mouse off the top or bottom of the window, you can
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143 select pieces of text that are larger than the visible part of the
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144 buffer; the buffer will scroll as necessary.
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145
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146 The selected text becomes the current X selection, and is also copied to
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147 the top of the kill ring. Point will be left at the position at
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148 which you released the button and the mark will be left at the initial
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149 click position. Bind a mouse click to
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150 @kbd{mouse-track-and-copy-to-cutbuffer} to copy selections to the cut buffer.
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151 (See also the @code{mouse-track-adjust} command, on @kbd{Shift-button1}.)
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152
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153 The @kbd{M-x mouse-track-adjust} command should be bound to a mouse
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154 button. The selection will be enlarged or shrunk so that the point of
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155 the mouse click is one of its endpoints. This is only meaningful
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156 after the @code{mouse-track} command (@key{button1}) has been executed.
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157
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158 The @kbd{M-x mouse-track-delete-and-insert} command is exactly the same
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159 as the @code{mouse-track} command on @key{button1}, except that point is
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160 not moved; the selected text is immediately inserted after being
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161 selected; and the text of the selection is deleted.
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162
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163 The @kbd{M-x mouse-track-insert} command is exactly the same as the
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164 @code{mouse-track} command on @key{button1}, except that point is not moved;
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165 the selected text is immediately inserted after being selected; and the
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166 selection is immediately disowned afterwards.
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