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1 ;;; Window management code for VM
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2 ;;; Copyright (C) 1989-1997 Kyle E. Jones
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3 ;;;
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4 ;;; This program is free software; you can redistribute it and/or modify
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5 ;;; it under the terms of the GNU General Public License as published by
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6 ;;; the Free Software Foundation; either version 1, or (at your option)
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7 ;;; any later version.
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8 ;;;
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9 ;;; This program is distributed in the hope that it will be useful,
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10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ;;; GNU General Public License for more details.
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13 ;;;
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14 ;;; You should have received a copy of the GNU General Public License
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15 ;;; along with this program; if not, write to the Free Software
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16 ;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17
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18 (provide 'vm-window)
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19
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20
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20 (defun vm-display (buffer display commands configs
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21 &optional do-not-raise)
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22 ;; the clearinghouse VM display function.
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23 ;;
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24 ;; First arg BUFFER non-nil is a buffer to display or undisplay.
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25 ;; nil means there is no request to display or undisplay a
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26 ;; buffer.
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27 ;;
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28 ;; Second arg DISPLAY non-nil means to display the buffer, nil means
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29 ;; to undisplay it. This function guarantees to display the
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30 ;; buffer if requested. Undisplay is not guaranteed.
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31 ;;
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32 ;; Third arg COMMANDS is a list of symbols. this-command must
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33 ;; match one of these symbols for a window configuration to be
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34 ;; applied.
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35 ;;
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36 ;; Fourth arg CONFIGS is a list of window configurations to try.
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37 ;; vm-set-window-configuration will step through the list looking
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38 ;; for an existing configuration, and apply the one it finds.
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39 ;;
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40 ;; Display is done this way:
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41 ;; 1. if the buffer is visible in an invisible frame, make that frame visible
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42 ;; 2. if the buffer is already displayed, quit
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43 ;; 3. if vm-display-buffer-hook in non-nil
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44 ;; run the hooks
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45 ;; use the selected window/frame to display the buffer
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46 ;; quit
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47 ;; 4. apply a window configuration
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48 ;; if the buffer is displayed now, quit
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49 ;; 5. call vm-display-buffer which will display the buffer.
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50 ;;
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51 ;; Undisplay is done this way:
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52 ;; 1. if the buffer is not displayed, quit
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53 ;; 2. if vm-undisplay-buffer-hook is non-nil
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54 ;; run the hooks
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55 ;; quit
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56 ;; 3. apply a window configuration
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57 ;; 4, if a window configuration was applied
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58 ;; quit
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59 ;; 5. call vm-undisplay-buffer which will make the buffer
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60 ;; disappear from at least one window/frame.
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61 ;;
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62 ;; If display/undisplay is not requested, only window
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63 ;; configuration is done, and only then if the value of
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64 ;; this-command is found in the COMMANDS list.
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65 (vm-save-buffer-excursion
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66 (let* ((w (and buffer (vm-get-buffer-window buffer)))
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67 (wf (and w (vm-window-frame w))))
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68 (and buffer (set-buffer buffer))
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69 (if (and w display (not do-not-raise))
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70 (vm-raise-frame wf))
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71 (if (and w display (not (eq (vm-selected-frame) wf)))
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72 (vm-select-frame wf))
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73 (cond ((and buffer display)
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74 (if (and vm-display-buffer-hook
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75 (null (vm-get-visible-buffer-window buffer)))
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76 (progn (run-hooks 'vm-display-buffer-hook)
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77 (switch-to-buffer buffer)
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78 (vm-record-current-window-configuration nil))
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79 (if (not (and (memq this-command commands)
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80 (apply 'vm-set-window-configuration configs)
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81 (vm-get-visible-buffer-window buffer)))
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82 (vm-display-buffer buffer))))
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83 ((and buffer (not display))
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84 (if (and vm-undisplay-buffer-hook
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85 (vm-get-visible-buffer-window buffer))
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86 (progn (run-hooks 'vm-undisplay-buffer-hook)
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87 (vm-record-current-window-configuration nil))
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88 (if (not (and (memq this-command commands)
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89 (apply 'vm-set-window-configuration configs)))
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90 (vm-undisplay-buffer buffer))))
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91 ((memq this-command commands)
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92 (apply 'vm-set-window-configuration configs))))))
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93
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94 (defun vm-display-buffer (buffer)
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95 (let ((pop-up-windows (eq vm-mutable-windows t))
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96 (pop-up-frames vm-mutable-frames))
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97 (vm-record-current-window-configuration nil)
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98 (if (or pop-up-frames
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99 (and (eq vm-mutable-windows t)
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100 (symbolp
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101 (vm-buffer-to-label
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102 (window-buffer
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103 (selected-window))))))
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104 (select-window (display-buffer buffer))
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105 (switch-to-buffer buffer))))
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106
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107 (defun vm-undisplay-buffer (buffer)
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108 (vm-save-buffer-excursion
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109 (vm-delete-windows-or-frames-on buffer)
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110 (let ((w (vm-get-buffer-window buffer)))
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111 (and w (set-window-buffer w (other-buffer))))))
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112
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113 (defun vm-load-window-configurations (file)
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114 (save-excursion
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115 (let ((work-buffer nil))
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116 (unwind-protect
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117 (progn
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118 (set-buffer (setq work-buffer (get-buffer-create "*vm-wconfig*")))
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119 (erase-buffer)
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120 (setq vm-window-configurations
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121 (condition-case ()
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122 (progn
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123 (insert-file-contents file)
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124 (read (current-buffer)))
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125 (error nil))))
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126 (and work-buffer (kill-buffer work-buffer))))))
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127
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128 (defun vm-store-window-configurations (file)
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129 (save-excursion
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130 (let ((work-buffer nil))
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131 (unwind-protect
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132 (progn
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133 (set-buffer (setq work-buffer (get-buffer-create "*vm-wconfig*")))
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134 ;; for XEmacs/MULE
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135 (and (vm-xemacs-mule-p)
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136 (set-file-coding-system 'no-conversion))
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137 (erase-buffer)
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138 (print vm-window-configurations (current-buffer))
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139 (write-region (point-min) (point-max) file nil 0))
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140 (and work-buffer (kill-buffer work-buffer))))))
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141
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142 (defun vm-set-window-configuration (&rest tags)
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143 (catch 'done
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144 (if (not vm-mutable-windows)
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145 (throw 'done nil))
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146 (let ((nonexistent " *vm-nonexistent*")
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147 (nonexistent-summary " *vm-nonexistent-summary*")
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148 (selected-frame (vm-selected-frame))
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149 summary message composition edit config)
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150 (while (and tags (null config))
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151 (setq config (assq (car tags) vm-window-configurations)
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152 tags (cdr tags)))
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153 (or config (setq config (assq 'default vm-window-configurations)))
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154 (or config (throw 'done nil))
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155 (setq config (vm-copy config))
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156 (setq composition (vm-find-composition-buffer t))
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157 (cond ((eq major-mode 'vm-summary-mode)
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158 (if (or (null vm-mail-buffer) (null (buffer-name vm-mail-buffer)))
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159 (throw 'done nil)
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160 (setq summary (current-buffer))
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161 (setq message vm-mail-buffer)))
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162 ((eq major-mode 'vm-mode)
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163 (setq message (current-buffer)))
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164 ((eq major-mode 'vm-presentation-mode)
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165 (setq message vm-mail-buffer))
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166 ((eq major-mode 'vm-virtual-mode)
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167 (setq message (current-buffer)))
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168 ((eq major-mode 'mail-mode)
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169 (if (or (null vm-mail-buffer) (null (buffer-name vm-mail-buffer)))
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170 (throw 'done nil)
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171 (setq message vm-mail-buffer
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172 ;; assume that the proximity implies affinity
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173 composition (current-buffer))))
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174 ((eq vm-system-state 'editing)
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175 (if (or (null vm-mail-buffer) (null (buffer-name vm-mail-buffer)))
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176 (throw 'done nil)
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177 (setq edit (current-buffer))
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178 (setq message vm-mail-buffer)))
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179 ;; not in a VM related buffer, bail...
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180 (t (throw 'done nil)))
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181 (set-buffer message)
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182 (vm-check-for-killed-presentation)
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183 (if vm-presentation-buffer
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184 (setq message vm-presentation-buffer))
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185 ;; if this configuration is already the current one, don't
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186 ;; set it up again.
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187 (if (or (and vm-mutable-frames (eq (car config) vm-window-configuration))
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188 (and (not vm-mutable-frames)
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189 (listp vm-window-configuration)
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190 (eq (car config)
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191 (cdr (assq selected-frame vm-window-configuration)))))
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192 (throw 'done nil))
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193 (vm-check-for-killed-summary)
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194 (or summary (setq summary (or vm-summary-buffer nonexistent-summary)))
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195 (or composition (setq composition nonexistent))
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196 (or edit (setq edit nonexistent))
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197 (tapestry-replace-tapestry-element (nth 1 config) 'buffer-name
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198 (function
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199 (lambda (x)
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200 (if (symbolp x)
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201 (symbol-value x)
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202 x ))))
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203 (set-tapestry (nth 1 config) 1)
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204 (and (get-buffer nonexistent)
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205 (vm-delete-windows-or-frames-on nonexistent))
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206 (if (and (vm-get-buffer-window nonexistent-summary)
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207 (not (vm-get-buffer-window message)))
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208 ;; user asked for summary to be displayed but doesn't
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209 ;; have one, nor is the folder buffer displayed. Help
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210 ;; the user not to lose here.
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211 (vm-replace-buffer-in-windows nonexistent-summary message)
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212 (and (get-buffer nonexistent-summary)
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213 (vm-delete-windows-or-frames-on nonexistent-summary)))
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214 (vm-record-current-window-configuration config)
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215 config )))
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216
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217 (defun vm-record-current-window-configuration (config)
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218 ;; this function continues to be a no-op.
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219 ;;
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220 ;; the idea behind this function is that VM can remember what
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221 ;; the current window configuration is and not rebuild the
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222 ;; configuration for the next command if it matches what we
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223 ;; have recorded.
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224 ;;
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225 ;; the problem with this idea is that the user can do things
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226 ;; like C-x 0 and VM has no way of knowing. So VM thinks the
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227 ;; right configuration is displayed when in fact it is not,
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228 ;; which can cause incorrect displays.
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229 '(let (cell)
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230 (if (and (listp vm-window-configuration)
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231 (setq cell (assq (vm-selected-frame) vm-window-configuration)))
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232 (setcdr cell (car config))
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233 (setq vm-window-configuration
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234 (cons
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235 (cons (vm-selected-frame) (car config))
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236 vm-window-configuration)))))
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237
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238 (defun vm-save-window-configuration (tag)
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239 "Name and save the current window configuration.
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240 With this command you associate the current window setup with an
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241 action. Each time you perform this action VM will duplicate this
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242 window setup.
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243
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244 Nearly every VM command can have a window configuration
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245 associated with it. VM also allows some category configurations,
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246 `startup', `reading-message', `composing-message', `editing-message',
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247 `marking-message' and `searching-message' for the commands that
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248 do these things. There is also a `default' configuration that VM
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249 will use if no other configuration is applicable. Command
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250 specific configurations are searched for first, then the category
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251 configurations and then the default configuration. The first
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252 configuration found is the one that is applied.
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253
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254 The value of vm-mutable-windows must be non-nil for VM to use
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255 window configurations.
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256
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257 If vm-mutable-frames is non-nil and Emacs is running under X
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258 windows, then VM will use all existing frames. Otherwise VM will
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259 restrict its changes to the frame in which it was started."
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260 (interactive
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261 (let ((last-command last-command)
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262 (this-command this-command))
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263 (if (null vm-window-configuration-file)
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264 (error "Configurable windows not enabled. Set vm-window-configuration-file to enable."))
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265 (list
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266 (intern
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267 (completing-read "Name this window configuration: "
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268 vm-supported-window-configurations
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269 'identity t)))))
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270 (if (null vm-window-configuration-file)
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271 (error "Configurable windows not enabled. Set vm-window-configuration-file to enable."))
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272 (let (map p)
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273 (setq map (tapestry (list (vm-selected-frame))))
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274 ;; set frame map to nil since we don't use it. this prevents
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275 ;; cursor objects and any other objects that have an
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276 ;; "unreadable" read syntax appearing in the window
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277 ;; configuration file by way of frame-parameters.
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278 (setcar map nil)
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279 (tapestry-replace-tapestry-element map 'buffer-name 'vm-buffer-to-label)
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280 (tapestry-nullify-tapestry-elements map t nil t t t nil)
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281 (setq p (assq tag vm-window-configurations))
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282 (if p
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283 (setcar (cdr p) map)
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284 (setq vm-window-configurations
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285 (cons (list tag map) vm-window-configurations)))
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286 (vm-store-window-configurations vm-window-configuration-file)
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287 (message "%s configuration recorded" tag)))
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288
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289 (defun vm-buffer-to-label (buf)
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290 (save-excursion
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291 (set-buffer buf)
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292 (cond ((eq major-mode 'vm-summary-mode)
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293 'summary)
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294 ((eq major-mode 'mail-mode)
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295 'composition)
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296 ((eq major-mode 'vm-mode)
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297 'message)
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298 ((eq major-mode 'vm-virtual-mode)
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299 'message)
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300 ((eq vm-system-state 'editing)
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301 'edit)
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302 (t buf))))
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303
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304 (defun vm-delete-window-configuration (tag)
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305 "Delete the configuration saved for a particular action.
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306 This action will no longer have an associated window configuration.
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307 The action will be read from the minibuffer."
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308 (interactive
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309 (let ((last-command last-command)
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310 (this-command this-command))
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311 (if (null vm-window-configuration-file)
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312 (error "Configurable windows not enabled. Set vm-window-configuration-file to enable."))
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313 (list
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314 (intern
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315 (completing-read "Delete window configuration: "
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316 (mapcar (function
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317 (lambda (x)
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318 (list (symbol-name (car x)))))
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319 vm-window-configurations)
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320 'identity t)))))
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321 (if (null vm-window-configuration-file)
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322 (error "Configurable windows not enabled. Set vm-window-configuration-file to enable."))
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323 (let (p)
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324 (setq p (assq tag vm-window-configurations))
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325 (if p
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326 (if (eq p (car vm-window-configurations))
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327 (setq vm-window-configurations (cdr vm-window-configurations))
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328 (setq vm-window-configurations (delq p vm-window-configurations)))
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329 (error "No window configuration set for %s" tag)))
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330 (vm-store-window-configurations vm-window-configuration-file)
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331 (message "%s configuration deleted" tag))
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332
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333 (defun vm-apply-window-configuration (tag)
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334 "Change the current window configuration to be one
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335 associated with a particular action. The action will be read
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336 from the minibuffer."
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337 (interactive
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338 (let ((last-command last-command)
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339 (this-command this-command))
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340 (list
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341 (intern
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342 (completing-read "Apply window configuration: "
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343 (mapcar (function
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344 (lambda (x)
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345 (list (symbol-name (car x)))))
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346 vm-window-configurations)
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347 'identity t)))))
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348 (vm-set-window-configuration tag))
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349
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350 (defun vm-window-help ()
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351 (interactive)
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352 (message "WS = save configuration, WD = delete configuration, WW = apply configuration"))
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353
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354 (defun vm-iconify-frame ()
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355 "Iconify the current frame.
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356 Run the hooks in vm-iconify-frame-hook before doing so."
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357 (interactive)
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358 (vm-check-for-killed-summary)
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359 (vm-select-folder-buffer)
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360 (if (vm-multiple-frames-possible-p)
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361 (progn
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362 (run-hooks 'vm-iconify-frame-hook)
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363 (vm-iconify-frame-xxx))))
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364
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365 (defun vm-window-loop (action obj-1 &optional obj-2)
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366 (let ((delete-me nil)
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367 (done nil)
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368 (all-frames (if vm-mutable-frames t nil))
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369 start w)
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370 (setq start (next-window (selected-window) 'nomini all-frames)
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371 w start)
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372 (and obj-1 (setq obj-1 (get-buffer obj-1)))
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373 (while (not done)
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374 (if (and delete-me (not (eq delete-me (next-window delete-me 'nomini))))
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375 (progn
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376 (delete-window delete-me)
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377 (if (eq delete-me start)
|
|
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378 (setq start nil))
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379 (setq delete-me nil)))
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380 (cond ((and (eq action 'delete) (eq obj-1 (window-buffer w)))
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381 ;; a deleted window has no next window, so we
|
|
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382 ;; defer the deletion until after we've moved
|
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383 ;; to the next window.
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384 (setq delete-me w))
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385 ((and (eq action 'replace) (eq obj-1 (window-buffer w)))
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386 (set-window-buffer w obj-2)))
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387 (setq done (eq start
|
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388 (setq w
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389 (condition-case nil
|
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390 (next-window w 'nomini all-frames)
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391 (wrong-number-of-arguments
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|
392 (next-window w 'nomini))))))
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393 (if (null start)
|
|
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394 (setq start w)))
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395 (if (and delete-me (not (eq delete-me (next-window delete-me 'nomini))))
|
|
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396 (delete-window delete-me))))
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|
|
397
|
|
|
398 (defun vm-frame-loop (action obj-1)
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399 (if (fboundp 'vm-next-frame)
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|
400 (let ((start (vm-next-frame (vm-selected-frame)))
|
|
|
401 (delete-me nil)
|
|
|
402 (done nil)
|
|
|
403 f)
|
|
|
404 (setq f start)
|
|
|
405 (and obj-1 (setq obj-1 (get-buffer obj-1)))
|
|
|
406 (while (not done)
|
|
|
407 (if delete-me
|
|
|
408 (progn
|
|
|
409 (condition-case nil
|
|
|
410 (progn
|
|
20
|
411 (if (vm-created-this-frame-p delete-me)
|
|
|
412 (vm-delete-frame delete-me))
|
|
0
|
413 (if (eq delete-me start)
|
|
|
414 (setq start nil)))
|
|
|
415 (error nil))
|
|
|
416 (setq delete-me nil)))
|
|
|
417 (cond ((and (eq action 'delete)
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|
|
418 ;; one-window-p doesn't take a frame argument
|
|
|
419 (eq (next-window (vm-frame-selected-window f) 'nomini)
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|
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420 (previous-window (vm-frame-selected-window f)
|
|
|
421 'nomini))
|
|
|
422 ;; the next-window call is to avoid looking
|
|
|
423 ;; at the minibuffer window
|
|
|
424 (eq obj-1 (window-buffer
|
|
|
425 (next-window
|
|
|
426 (vm-frame-selected-window f)
|
|
|
427 'nomini))))
|
|
|
428 ;; a deleted frame has no next frame, so we
|
|
|
429 ;; defer the deletion until after we've moved
|
|
|
430 ;; to the next frame.
|
|
|
431 (setq delete-me f))
|
|
|
432 ((eq action 'bury)
|
|
|
433 (bury-buffer obj-1)))
|
|
|
434 (setq done (eq start (setq f (vm-next-frame f))))
|
|
|
435 (if (null start)
|
|
|
436 (setq start f)))
|
|
|
437 (if delete-me
|
|
|
438 (progn
|
|
|
439 (vm-error-free-call 'vm-delete-frame delete-me)
|
|
|
440 (setq delete-me nil))))))
|
|
|
441
|
|
|
442 (defun vm-delete-windows-or-frames-on (buffer)
|
|
|
443 (and (eq vm-mutable-windows t) (vm-window-loop 'delete buffer))
|
|
|
444 (and vm-mutable-frames (vm-frame-loop 'delete buffer)))
|
|
|
445
|
|
|
446 (defun vm-replace-buffer-in-windows (old new)
|
|
|
447 (vm-window-loop 'replace old new))
|
|
|
448
|
|
|
449 (defun vm-bury-buffer (&optional buffer)
|
|
|
450 (or buffer (setq buffer (current-buffer)))
|
|
|
451 (if (vm-xemacs-p)
|
|
|
452 (if (vm-multiple-frames-possible-p)
|
|
|
453 (vm-frame-loop 'bury buffer)
|
|
|
454 (bury-buffer buffer))
|
|
|
455 (bury-buffer buffer)))
|
|
|
456
|
|
|
457 (defun vm-unbury-buffer (buffer)
|
|
|
458 (save-excursion
|
|
|
459 (save-window-excursion
|
|
|
460 (switch-to-buffer buffer))))
|
|
|
461
|
|
|
462 (defun vm-get-buffer-window (buffer)
|
|
|
463 (condition-case nil
|
|
|
464 (or (get-buffer-window buffer nil nil)
|
|
|
465 (and vm-search-other-frames
|
|
|
466 (get-buffer-window buffer t t)))
|
|
|
467 (wrong-number-of-arguments
|
|
|
468 (condition-case nil
|
|
|
469 (or (get-buffer-window buffer nil)
|
|
|
470 (and vm-search-other-frames
|
|
|
471 (get-buffer-window buffer t)))
|
|
|
472 (wrong-number-of-arguments
|
|
|
473 (get-buffer-window buffer))))))
|
|
|
474
|
|
|
475 (defun vm-get-visible-buffer-window (buffer)
|
|
|
476 (condition-case nil
|
|
|
477 (or (get-buffer-window buffer nil nil)
|
|
|
478 (and vm-search-other-frames
|
|
|
479 (get-buffer-window buffer t nil)))
|
|
|
480 (wrong-number-of-arguments
|
|
|
481 (condition-case nil
|
|
|
482 (or (get-buffer-window buffer nil)
|
|
|
483 (and vm-search-other-frames
|
|
|
484 (get-buffer-window buffer 'visible)))
|
|
|
485 (wrong-number-of-arguments
|
|
|
486 (get-buffer-window buffer))))))
|
|
|
487
|
|
|
488 (defun vm-set-hooks-for-frame-deletion ()
|
|
|
489 (make-local-variable 'vm-undisplay-buffer-hook)
|
|
|
490 (add-hook 'vm-undisplay-buffer-hook 'vm-delete-buffer-frame)
|
|
|
491 (add-hook 'kill-buffer-hook 'vm-delete-buffer-frame))
|
|
|
492
|
|
20
|
493 (defun vm-created-this-frame-p (&optional frame)
|
|
|
494 (memq (or frame (vm-selected-frame)) vm-frame-list))
|
|
|
495
|
|
0
|
496 (defun vm-delete-buffer-frame ()
|
|
20
|
497 ;; kludge. we only want to this to run on VM related buffers
|
|
|
498 ;; but this function is generally on a global hook. Check for
|
|
|
499 ;; vm-undisplay-buffer-hook set; this is a good sign that this
|
|
|
500 ;; is a VM buffer.
|
|
|
501 (if vm-undisplay-buffer-hook
|
|
|
502 (save-excursion
|
|
|
503 ;; run once only per buffer.
|
|
|
504 (remove-hook 'vm-undisplay-buffer-hook 'vm-delete-buffer-frame)
|
|
|
505 (let* ((w (vm-get-visible-buffer-window (current-buffer)))
|
|
|
506 (b (current-buffer))
|
|
|
507 (wf (and w (vm-window-frame w))))
|
|
|
508 (and w (eq (vm-selected-frame) wf) (vm-created-this-frame-p wf)
|
|
|
509 (vm-error-free-call 'vm-delete-frame wf))
|
|
|
510 (and w (let ((vm-mutable-frames t))
|
|
|
511 (vm-delete-windows-or-frames-on b)))))))
|
|
|
512
|
|
|
513 (defun vm-register-frame (frame)
|
|
|
514 (setq vm-frame-list (cons frame vm-frame-list)))
|
|
0
|
515
|
|
|
516 (defun vm-goto-new-frame (&rest types)
|
|
|
517 (let ((params nil))
|
|
|
518 (while (and types (null params))
|
|
|
519 (setq params (car (cdr (assq (car types) vm-frame-parameter-alist)))
|
|
|
520 types (cdr types)))
|
|
|
521 ;; these functions might be defined in an Emacs that isn't
|
|
|
522 ;; running under a window system, but VM always checks for
|
|
|
523 ;; multi-frame support before calling this function.
|
|
|
524 (cond ((fboundp 'make-frame)
|
|
|
525 (select-frame (make-frame params)))
|
|
|
526 ((fboundp 'make-screen)
|
|
|
527 (select-screen (make-screen params)))
|
|
|
528 ((fboundp 'new-screen)
|
|
|
529 (select-screen (new-screen params))))
|
|
20
|
530 (vm-register-frame (vm-selected-frame))
|
|
0
|
531 (and vm-warp-mouse-to-new-frame
|
|
|
532 (vm-warp-mouse-to-frame-maybe (vm-selected-frame)))))
|
|
|
533
|
|
20
|
534 (defun vm-goto-new-summary-frame-maybe ()
|
|
|
535 (if (and vm-frame-per-summary (vm-multiple-frames-possible-p))
|
|
|
536 (let ((w (vm-get-buffer-window vm-summary-buffer)))
|
|
|
537 (if (null w)
|
|
|
538 (progn
|
|
|
539 (vm-goto-new-frame 'summary)
|
|
|
540 (vm-set-hooks-for-frame-deletion))
|
|
|
541 (save-excursion
|
|
|
542 (select-window w)
|
|
|
543 (and vm-warp-mouse-to-new-frame
|
|
|
544 (vm-warp-mouse-to-frame-maybe (vm-window-frame w))))))))
|
|
|
545
|
|
|
546 (defun vm-goto-new-folder-frame-maybe (&rest types)
|
|
|
547 (if (and vm-frame-per-folder (vm-multiple-frames-possible-p))
|
|
|
548 (let ((w (or (vm-get-buffer-window (current-buffer))
|
|
|
549 ;; summary == folder for the purpose
|
|
|
550 ;; of frame reuse.
|
|
|
551 (and vm-summary-buffer
|
|
|
552 (vm-get-buffer-window vm-summary-buffer))
|
|
|
553 ;; presentation == folder for the purpose
|
|
|
554 ;; of frame reuse.
|
|
|
555 (and vm-presentation-buffer
|
|
|
556 (vm-get-buffer-window vm-presentation-buffer)))))
|
|
|
557 (if (null w)
|
|
|
558 (progn
|
|
|
559 (apply 'vm-goto-new-frame types)
|
|
|
560 (vm-set-hooks-for-frame-deletion))
|
|
|
561 (save-excursion
|
|
|
562 (select-window w)
|
|
|
563 (and vm-warp-mouse-to-new-frame
|
|
|
564 (vm-warp-mouse-to-frame-maybe (vm-window-frame w))))))))
|
|
|
565
|
|
0
|
566 (defun vm-warp-mouse-to-frame-maybe (&optional frame)
|
|
|
567 (or frame (setq frame (vm-selected-frame)))
|
|
|
568 (if (vm-mouse-support-possible-p)
|
|
|
569 (cond ((vm-mouse-xemacs-mouse-p)
|
|
|
570 (cond ((fboundp 'mouse-position);; XEmacs 19.12
|
|
|
571 (let ((mp (mouse-position)))
|
|
|
572 (if (and (car mp)
|
|
|
573 (eq (window-frame (car mp)) (selected-frame)))
|
|
|
574 nil
|
|
|
575 (set-mouse-position (frame-highest-window frame)
|
|
|
576 (/ (frame-width frame) 2)
|
|
|
577 (/ (frame-height frame) 2)))))
|
|
|
578 (t ;; XEmacs 19.11
|
|
|
579 ;; use (apply 'screen-...) instead of
|
|
|
580 ;; (screen-...) to avoid stimulating a
|
|
|
581 ;; byte-compiler bug in Emacs 19.29 that
|
|
|
582 ;; happens when it encounters 'obsolete'
|
|
|
583 ;; functions. puke, puke, puke.
|
|
|
584 (let ((mp (read-mouse-position frame)))
|
|
|
585 (if (and (>= (car mp) 0)
|
|
|
586 (<= (car mp) (apply 'screen-width frame))
|
|
|
587 (>= (cdr mp) 0)
|
|
|
588 (<= (cdr mp) (apply 'screen-height frame)))
|
|
|
589 nil
|
|
|
590 (set-mouse-position frame
|
|
|
591 (/ (apply 'screen-width frame) 2)
|
|
|
592 (/ (apply 'screen-height frame) 2)))))))
|
|
|
593 ((vm-fsfemacs-19-p)
|
|
|
594 (let ((mp (mouse-position)))
|
|
|
595 (if (and (eq (car mp) frame)
|
|
|
596 ;; nil coordinates mean that the mouse
|
|
|
597 ;; pointer isn't really within the frame
|
|
|
598 (car (cdr mp)))
|
|
|
599 nil
|
|
|
600 (set-mouse-position frame
|
|
|
601 (/ (frame-width frame) 2)
|
|
|
602 (/ (frame-height frame) 2))
|
|
|
603 ;; doc for set-mouse-position says to do this
|
|
|
604 (unfocus-frame)))))))
|
|
|
605
|
|
|
606 (fset 'vm-selected-frame
|
|
|
607 (symbol-function
|
|
|
608 (cond ((fboundp 'selected-frame) 'selected-frame)
|
|
|
609 ((fboundp 'selected-screen) 'selected-screen)
|
|
|
610 (t 'ignore))))
|
|
|
611
|
|
|
612 (fset 'vm-delete-frame
|
|
|
613 (symbol-function
|
|
|
614 (cond ((fboundp 'delete-frame) 'delete-frame)
|
|
|
615 ((fboundp 'delete-screen) 'delete-screen)
|
|
|
616 (t 'ignore))))
|
|
|
617
|
|
|
618 ;; xxx because vm-iconify-frame is a command
|
|
|
619 (defun vm-iconify-frame-xxx (&optional frame)
|
|
|
620 (cond ((fboundp 'iconify-frame)
|
|
|
621 (iconify-frame frame))
|
|
|
622 ((fboundp 'iconify-screen)
|
|
|
623 (iconify-screen (or frame (selected-screen))))))
|
|
|
624
|
|
|
625 (fset 'vm-raise-frame
|
|
|
626 (symbol-function
|
|
|
627 (cond ((fboundp 'raise-frame) 'raise-frame)
|
|
|
628 ((fboundp 'raise-screen) 'raise-screen)
|
|
|
629 (t 'ignore))))
|
|
|
630
|
|
|
631 (fset 'vm-frame-visible-p
|
|
|
632 (symbol-function
|
|
|
633 (cond ((fboundp 'frame-visible-p) 'frame-visible-p)
|
|
|
634 ((fboundp 'screen-visible-p) 'screen-visible-p)
|
|
|
635 (t 'ignore))))
|
|
|
636
|
|
20
|
637 (if (fboundp 'frame-iconified-p)
|
|
|
638 (fset 'vm-frame-iconified-p 'frame-iconified-p)
|
|
|
639 (defun vm-frame-iconified-p (&optional frame)
|
|
|
640 (eq (vm-frame-visible-p frame) 'icon)))
|
|
|
641
|
|
|
642 ;; frame-totally-visible-p is broken under XEmacs 19.14 and is
|
|
|
643 ;; absent under Emacs 19.34. So vm-frame-per-summary won't work
|
|
|
644 ;; quite right under these Emacs versions. XEmacs 19.15 should
|
|
|
645 ;; have a working version of this function.
|
|
|
646 (if (and (fboundp 'frame-totally-visible-p)
|
|
|
647 (vm-xemacs-p)
|
|
|
648 (or (>= emacs-major-version 20)
|
|
|
649 (>= emacs-minor-version 15)))
|
|
|
650 (fset 'vm-frame-totally-visible-p 'frame-totally-visible-p)
|
|
|
651 (fset 'vm-frame-totally-visible-p 'vm-frame-visible-p))
|
|
|
652
|
|
0
|
653 (fset 'vm-window-frame
|
|
|
654 (symbol-function
|
|
|
655 (cond ((fboundp 'window-frame) 'window-frame)
|
|
|
656 ((fboundp 'window-screen) 'window-screen)
|
|
|
657 (t 'ignore))))
|
|
|
658
|
|
|
659 (cond ((fboundp 'next-frame)
|
|
|
660 (fset 'vm-next-frame (symbol-function 'next-frame))
|
|
|
661 (fset 'vm-select-frame (symbol-function 'select-frame))
|
|
|
662 (fset 'vm-frame-selected-window
|
|
|
663 (symbol-function 'frame-selected-window)))
|
|
|
664 ((fboundp 'next-screen)
|
|
|
665 (fset 'vm-next-frame (symbol-function 'next-screen))
|
|
|
666 (fset 'vm-select-frame (symbol-function 'select-screen))
|
|
|
667 (fset 'vm-frame-selected-window
|
|
|
668 (if (fboundp 'epoch::selected-window)
|
|
|
669 (symbol-function 'epoch::selected-window)
|
|
|
670 (symbol-function 'screen-selected-window))))
|
|
|
671 (t
|
|
|
672 ;; it is useful for this to be a no-op, but don't bind the
|
|
|
673 ;; others.
|
|
|
674 (fset 'vm-select-frame 'ignore)))
|
