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1 ;; Mouse support for X window system.
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2 ;; Copyright (C) 1985, 1992, 1993, 1994 Free Software Foundation, Inc.
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3 ;; Copyright (C) 1995, 1996 Ben Wing.
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4
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5 ;; This file is part of XEmacs.
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6
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7 ;; XEmacs is free software; you can redistribute it and/or modify it
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8 ;; under the terms of the GNU General Public License as published by
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9 ;; the Free Software Foundation; either version 2, or (at your option)
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10 ;; any later version.
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11
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12 ;; XEmacs is distributed in the hope that it will be useful, but
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13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 ;; General Public License for more details.
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16
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17 ;; You should have received a copy of the GNU General Public License
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18 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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19 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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20
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21 ;;(define-key global-map 'button2 'x-set-point-and-insert-selection)
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22 ;; This is reserved for use by Hyperbole.
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23 ;;(define-key global-map '(shift button2) 'x-mouse-kill)
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24 (define-key global-map '(control button2) 'x-set-point-and-move-selection)
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25
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26 (setq mouse-yank-function 'x-yank-function)
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27
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28 (defun x-mouse-kill (event)
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29 "Kill the text between the point and mouse and copy it to the clipboard and
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30 to the cut buffer"
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31 (interactive "@e")
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32 (let ((old-point (point)))
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33 (mouse-set-point event)
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34 (let ((s (buffer-substring old-point (point))))
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35 (x-own-clipboard s)
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36 (x-store-cutbuffer s))
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37 (kill-region old-point (point))))
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38
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39 (defun x-yank-function ()
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40 "Insert the current X selection or, if there is none, insert the X cutbuffer.
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41 A mark is pushed, so that the inserted text lies between point and mark."
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42 (push-mark)
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43 (if (region-active-p)
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44 (if (consp zmacs-region-extent)
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45 ;; pirated code from insert-rectangle in rect.el
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46 ;; perhaps that code should be modified to handle a list of extents
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47 ;; as the rectangle to be inserted?
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48 (let ((lines zmacs-region-extent)
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49 (insertcolumn (current-column))
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50 (first t))
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51 (push-mark)
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52 (while lines
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53 (or first
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54 (progn
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55 (forward-line 1)
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56 (or (bolp) (insert ?\n))
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57 (move-to-column insertcolumn t)))
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58 (setq first nil)
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59 (insert (extent-string (car lines)))
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60 (setq lines (cdr lines))))
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61 (insert (extent-string zmacs-region-extent)))
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62 (x-insert-selection t)))
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63
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64 (defun x-insert-selection (&optional check-cutbuffer-p move-point-event)
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65 "Insert the current selection into buffer at point."
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66 (interactive "P")
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67 (let ((text (if check-cutbuffer-p
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68 (or (condition-case () (x-get-selection) (error ()))
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69 (x-get-cutbuffer)
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70 (error "No selection or cut buffer available"))
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71 (x-get-selection))))
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72 (cond (move-point-event
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73 (mouse-set-point move-point-event)
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74 (push-mark (point)))
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75 ((interactive-p)
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76 (push-mark (point))))
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77 (insert text)
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78 ))
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79
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80 (make-obsolete 'x-set-point-and-insert-selection 'mouse-yank)
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81 (defun x-set-point-and-insert-selection (event)
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82 "Set point where clicked and insert the primary selection or the cut buffer."
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83 (interactive "e")
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84 (let ((mouse-yank-at-point nil))
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85 (mouse-yank event)))
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86
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87 (defun x-set-point-and-move-selection (event)
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88 "Set point where clicked and move the selected text to that location."
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89 (interactive "e")
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90 ;; Don't try to move the selection if x-kill-primary-selection if going
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91 ;; to fail; just let the appropriate error message get issued. (We need
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92 ;; to insert the selection and set point first, or the selection may
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93 ;; get inserted at the wrong place.)
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94 (and (x-selection-owner-p)
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95 primary-selection-extent
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96 (x-insert-selection t event))
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97 (x-kill-primary-selection))
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98
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99 (defun mouse-track-and-copy-to-cutbuffer (event)
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100 "Make a selection like `mouse-track', but also copy it to the cutbuffer."
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101 (interactive "e")
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102 (mouse-track event)
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103 (cond
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104 ((null primary-selection-extent)
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105 nil)
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106 ((consp primary-selection-extent)
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107 (save-excursion
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108 (set-buffer (extent-object (car primary-selection-extent)))
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109 (x-store-cutbuffer
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110 (mapconcat
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111 'identity
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112 (extract-rectangle
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113 (extent-start-position (car primary-selection-extent))
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114 (extent-end-position (car (reverse primary-selection-extent))))
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115 "\n"))))
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116 (t
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117 (save-excursion
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118 (set-buffer (extent-object primary-selection-extent))
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119 (x-store-cutbuffer
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120 (buffer-substring (extent-start-position primary-selection-extent)
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121 (extent-end-position primary-selection-extent)))))))
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122
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123
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124 (defvar x-pointers-initialized nil)
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125
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126 (defun x-init-pointer-shape (device)
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127 "Initializes the mouse-pointers of the given device from the resource
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128 database."
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129 (if x-pointers-initialized ; only do it when the first device is created
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130 nil
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131 (set-glyph-image text-pointer-glyph
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132 (or (x-get-resource "textPointer" "Cursor" 'string device)
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133 "xterm"))
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134 (set-glyph-image selection-pointer-glyph
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135 (or (x-get-resource "selectionPointer" "Cursor" 'string device)
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136 "top_left_arrow"))
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137 (set-glyph-image nontext-pointer-glyph
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138 (or (x-get-resource "spacePointer" "Cursor" 'string device)
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139 "xterm")) ; was "crosshair"
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140 (set-glyph-image modeline-pointer-glyph
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141 (or (x-get-resource "modeLinePointer" "Cursor" 'string device)
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142 "sb_v_double_arrow"))
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143 (set-glyph-image gc-pointer-glyph
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144 (or (x-get-resource "gcPointer" "Cursor" 'string device)
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145 "watch"))
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146 (set-glyph-image scrollbar-pointer-glyph
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147 (or (x-get-resource "scrollbarPointer" "Cursor" 'string device)
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148 "top_left_arrow"))
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149 (set-glyph-image busy-pointer-glyph
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150 (or (x-get-resource "busyPointer" "Cursor" 'string device)
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151 "watch"))
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152 (set-glyph-image toolbar-pointer-glyph
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153 (or (x-get-resource "toolBarPointer" "Cursor" 'string device)
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154 "left_ptr"))
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155 (let ((fg
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156 (x-get-resource "pointerColor" "Foreground" 'string device)))
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157 (and fg
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158 (set-face-foreground 'pointer fg)))
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159 (let ((bg
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160 (x-get-resource "pointerBackground" "Background" 'string device)))
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161 (and bg
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162 (set-face-background 'pointer bg)))
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163 (setq x-pointers-initialized t))
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164 nil)
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165
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