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annotate lisp/dialog.el @ 5416:365bc8cb5894
Convert to GPLv3 misc files.
| author | Mats Lidell <matsl@xemacs.org> |
|---|---|
| date | Wed, 27 Oct 2010 00:09:04 +0200 |
| parents | 308d34e9f07d |
| children | 89331fa1c819 |
| rev | line source |
|---|---|
| 209 | 1 ;;; dialog.el --- Dialog-box support for XEmacs |
| 2 | |
| 3 ;; Copyright (C) 1991-4, 1997 Free Software Foundation, Inc. | |
| 844 | 4 ;; Copyright (C) 2000, 2002 Ben Wing. |
| 209 | 5 |
| 6 ;; Maintainer: XEmacs Development Team | |
| 7 ;; Keywords: extensions, internal, dumped | |
| 8 | |
| 9 ;; This file is part of XEmacs. | |
| 10 | |
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11 ;; XEmacs is free software: you can redistribute it and/or modify it |
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12 ;; under the terms of the GNU General Public License as published by the |
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13 ;; Free Software Foundation, either version 3 of the License, or (at your |
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14 ;; option) any later version. |
| 209 | 15 |
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16 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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17 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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18 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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19 ;; for more details. |
| 209 | 20 |
| 21 ;; You should have received a copy of the GNU General Public License | |
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22 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 209 | 23 |
| 24 ;;; Synched up with: Not in FSF. | |
| 25 | |
| 844 | 26 ;;; Authorship: Mostly written or rewritten by Ben Wing; some old old stuff |
| 27 ;;; that underlies some current code was written by JWZ. | |
| 28 | |
| 209 | 29 ;;; Commentary: |
| 30 | |
| 31 ;; This file is dumped with XEmacs (when dialog boxes are compiled in). | |
| 32 | |
| 442 | 33 ;; Dialog boxes are non-modal at the C level, but made modal at the |
| 34 ;; Lisp level via hacks in functions such as yes-or-no-p-dialog-box | |
| 35 ;; below. Perhaps there should be truly modal dialog boxes | |
| 36 ;; implemented at the C level for safety. All code using dialog boxes | |
| 37 ;; should be careful to assume that the environment, for example the | |
| 38 ;; current buffer, might be completely different after returning from | |
| 39 ;; yes-or-no-p-dialog-box, but such code is difficult to write and test. | |
| 40 | |
| 209 | 41 ;;; Code: |
| 42 (defun yes-or-no-p-dialog-box (prompt) | |
| 442 | 43 "Ask user a yes-or-no question with a popup dialog box. |
| 44 Return t if the answer is \"yes\". | |
| 209 | 45 Takes one argument, which is the string to display to ask the question." |
| 442 | 46 (save-selected-frame |
| 47 (make-dialog-box 'question | |
| 48 :question prompt | |
| 49 :modal t | |
| 50 :buttons '(["Yes" (dialog-box-finish t)] | |
| 51 ["No" (dialog-box-finish nil)] | |
| 52 nil | |
| 53 ["Cancel" (dialog-box-cancel)])))) | |
| 209 | 54 |
| 442 | 55 ;; FSF has a similar function `x-popup-dialog'. |
| 209 | 56 (defun get-dialog-box-response (position contents) |
| 57 "Pop up a dialog box and return user's selection. | |
| 58 POSITION specifies which frame to use. | |
| 59 This is normally an event or a window or frame. | |
| 60 If POSITION is t or nil, it means to use the frame the mouse is on. | |
| 61 The dialog box appears in the middle of the specified frame. | |
| 62 | |
| 63 CONTENTS specifies the alternatives to display in the dialog box. | |
| 64 It is a list of the form (TITLE ITEM1 ITEM2...). | |
| 65 Each ITEM is a cons cell (STRING . VALUE). | |
| 66 The return value is VALUE from the chosen item. | |
| 67 | |
| 68 An ITEM may also be just a string--that makes a nonselectable item. | |
| 69 An ITEM may also be nil--that means to put all preceding items | |
| 70 on the left of the dialog box and all following items on the right." | |
| 71 (cond | |
| 72 ((eventp position) | |
| 73 (select-frame (event-frame position))) | |
| 74 ((framep position) | |
| 75 (select-frame position)) | |
| 76 ((windowp position) | |
| 77 (select-window position))) | |
| 442 | 78 (make-dialog-box 'question |
| 79 :question (car contents) | |
| 80 :modal t | |
| 81 :buttons | |
| 82 (mapcar #'(lambda (x) | |
| 83 (cond | |
| 84 ((null x) | |
| 85 nil) | |
| 86 ((stringp x) | |
| 87 ;;this will never get selected | |
| 88 `[,x 'ignore nil]) | |
| 89 (t | |
| 90 `[,(car x) (dialog-box-finish ',(cdr x)) t]))) | |
| 91 (cdr contents)))) | |
| 209 | 92 |
| 93 (defun message-box (fmt &rest args) | |
| 94 "Display a message, in a dialog box if possible. | |
| 95 If the selected device has no dialog-box support, use the echo area. | |
| 96 The arguments are the same as to `format'. | |
| 97 | |
| 98 If the only argument is nil, clear any existing message; let the | |
| 99 minibuffer contents show." | |
| 100 (if (and (null fmt) (null args)) | |
| 101 (progn | |
| 102 (clear-message nil) | |
| 103 nil) | |
| 104 (let ((str (apply 'format fmt args))) | |
| 105 (if (device-on-window-system-p) | |
| 442 | 106 (get-dialog-box-response nil (list str (cons "%_OK" t))) |
| 209 | 107 (display-message 'message str)) |
| 108 str))) | |
| 109 | |
| 110 (defun message-or-box (fmt &rest args) | |
| 442 | 111 "Display a message in a dialog box or in the echo area. |
| 112 If this command was invoked with the mouse, use a dialog box. | |
| 209 | 113 Otherwise, use the echo area. |
| 114 The arguments are the same as to `format'. | |
| 115 | |
| 116 If the only argument is nil, clear any existing message; let the | |
| 117 minibuffer contents show." | |
| 118 (if (should-use-dialog-box-p) | |
| 119 (apply 'message-box fmt args) | |
| 120 (apply 'message fmt args))) | |
| 121 | |
| 442 | 122 (defun make-dialog-box (type &rest cl-keys) |
| 123 "Pop up a dialog box. | |
| 124 TYPE is a symbol, the type of dialog box. Remaining arguments are | |
| 125 keyword-value pairs, specifying the particular characteristics of the | |
| 126 dialog box. The allowed keywords are particular to each type, but | |
| 127 some standard keywords are common to many types: | |
| 128 | |
| 129 :title | |
| 130 The title of the dialog box's window. | |
| 131 | |
| 132 :modal | |
| 133 If true, indicates that XEmacs will wait until the user is \"done\" | |
| 134 with the dialog box (usually, this means that a response has been | |
| 135 given). Typically, the response is returned. NOTE: Some dialog | |
| 136 boxes are always modal. If the dialog box is modal, `make-dialog-box' | |
| 137 returns immediately. The return value will be either nil or a | |
| 138 dialog box handle of some sort, e.g. a frame for type `general'. | |
| 139 | |
| 140 --------------------------------------------------------------------------- | |
| 141 | |
| 142 Recognized types are | |
| 143 | |
| 144 general | |
| 145 A dialog box consisting of an XEmacs glyph, typically a `layout' | |
| 146 widget specifying a dialog box arrangement. This is the most | |
| 147 general and powerful dialog box type, but requires more work than | |
| 148 the other types below. | |
| 149 | |
| 150 question | |
| 151 A simple dialog box that displays a question and contains one or | |
| 152 more user-defined buttons to specify possible responses. (This is | |
| 153 compatible with the old built-in dialog boxes formerly specified | |
| 154 using `popup-dialog-box'.) | |
| 155 | |
| 156 file | |
| 157 A file dialog box, of the type typically used in the window system | |
| 158 XEmacs is running on. | |
| 159 | |
| 160 color | |
| 161 A color picker. | |
| 162 | |
| 163 find | |
| 164 A find dialog box. | |
| 165 | |
| 166 font | |
| 167 A font chooser. | |
| 168 | |
| 169 print | |
| 170 A dialog box used when printing (e.g. number of pages, printer). | |
| 171 | |
| 172 page-setup | |
| 173 A dialog box for setting page options (e.g. margins) for printing. | |
| 174 | |
| 175 replace | |
| 176 A find/replace dialog box. | |
| 177 | |
| 178 mswindows-message | |
| 179 An MS Windows-specific standard dialog box type similar to `question'. | |
| 180 | |
| 181 --------------------------------------------------------------------------- | |
| 182 | |
| 183 For type `general': | |
| 184 | |
| 185 This type creates a frame and puts the specified widget layout in it. | |
| 186 \(Currently this is done by eliminating all areas but the gutter and placing | |
| 187 the layout there; but this is an implementation detail and may change.) | |
| 188 | |
| 189 The keywords allowed for `general' are | |
| 190 | |
| 191 :spec | |
| 192 The widget spec -- anything that can be passed to `make-glyph'. | |
| 193 :title | |
| 194 The title of the frame. | |
| 195 :parent | |
| 196 The frame is made a child of this frame (defaults to the selected frame). | |
| 197 :properties | |
| 198 Additional properties of the frame, as well as `dialog-frame-plist'. | |
| 863 | 199 :autosize |
| 200 If t the frame is sized to exactly fit the widgets given by :spec. | |
| 442 | 201 |
| 202 --------------------------------------------------------------------------- | |
| 203 | |
| 204 For type `question': | |
| 205 | |
| 206 The keywords allowed are | |
| 207 | |
| 208 :modal | |
| 209 t or nil. When t, the dialog box callback should exit the dialog box | |
| 210 using the functions `dialog-box-finish' or `dialog-box-cancel'. | |
| 211 :title | |
| 212 The title of the frame. | |
| 213 :question | |
| 214 A string, the question. | |
| 215 :buttons | |
| 216 A list, describing the buttons below the question. Each of these is a | |
| 217 vector, the syntax of which is essentially the same as that of popup menu | |
| 218 items. They may have any of the following forms: | |
| 219 | |
| 220 [ \"name\" callback <active-p> ] | |
| 221 [ \"name\" callback <active-p> \"suffix\" ] | |
| 222 [ \"name\" callback :<keyword> <value> :<keyword> <value> ... ] | |
| 223 | |
| 224 The name is the string to display on the button; it is filtered through the | |
| 225 resource database, so it is possible for resources to override what string | |
| 226 is actually displayed. | |
| 227 | |
| 228 Accelerators can be indicated in the string by putting the sequence | |
| 229 \"%_\" before the character corresponding to the key that will invoke | |
| 230 the button. Uppercase and lowercase accelerators are equivalent. The | |
| 231 sequence \"%%\" is also special, and is translated into a single %. | |
| 232 | |
| 233 If the `callback' of a button is a symbol, then it must name a command. | |
| 234 It will be invoked with `call-interactively'. If it is a list, then it is | |
| 235 evaluated with `eval'. | |
| 236 | |
| 237 One (and only one) of the buttons may be `nil'. This marker means that all | |
| 238 following buttons should be flushright instead of flushleft. | |
| 239 | |
| 240 Though the keyword/value syntax is supported for dialog boxes just as in | |
| 241 popup menus, the only keyword which is both meaningful and fully implemented | |
| 242 for dialog box buttons is `:active'. | |
| 243 | |
| 244 --------------------------------------------------------------------------- | |
| 245 | |
| 246 For type `file': | |
| 247 | |
| 248 The keywords allowed are | |
| 249 | |
| 250 :initial-filename | |
| 251 The initial filename to be placed in the dialog box (defaults to nothing). | |
| 252 :initial-directory | |
| 253 The initial directory to be selected in the dialog box (defaults to the | |
| 254 current buffer's `default-directory). | |
| 255 :filter-list | |
| 256 A list of (filter-desc filter ...) | |
| 257 :title | |
| 258 The title of the dialog box (defaults to \"Open\"). | |
| 259 :allow-multi-select t or nil | |
| 260 :create-prompt-on-nonexistent t or nil | |
| 261 :overwrite-prompt t or nil | |
| 262 :file-must-exist t or nil | |
| 263 :no-network-button t or nil | |
| 264 :no-read-only-return t or nil | |
| 265 | |
| 266 --------------------------------------------------------------------------- | |
| 267 | |
| 673 | 268 For type `directory': |
| 269 | |
| 270 The keywords allowed are | |
| 271 | |
| 272 :initial-directory | |
| 273 The initial directory to be selected in the dialog box (defaults to the | |
| 274 current buffer's `default-directory). | |
| 275 :title | |
| 276 The title of the dialog box (defaults to \"Open\"). | |
| 277 | |
| 278 --------------------------------------------------------------------------- | |
| 279 | |
| 442 | 280 For type `print': |
| 281 | |
| 282 This invokes the Windows standard Print dialog. | |
| 283 This dialog is usually invoked when the user selects the Print command. | |
| 284 After the user presses OK, the program should start actual printout. | |
| 285 | |
| 286 The keywords allowed are | |
| 287 | |
| 288 :device | |
| 289 An 'msprinter device. | |
| 290 :print-settings | |
| 291 A printer settings object. | |
| 510 | 292 :allow-selection |
| 293 t or nil -- whether the \"Selection\" button is enabled (defaults to nil). | |
| 294 :allow-pages | |
| 295 t or nil -- whether the \"Pages\" button and associated edit controls | |
| 296 are enabled (defaults to t). | |
| 297 :selected-page-button | |
| 298 `all', `selection', or `pages' -- which page button is initially | |
| 299 selected. | |
| 442 | 300 |
| 510 | 301 Exactly one of :device and :print-settings must be given. |
| 442 | 302 |
| 303 The function brings up the Print dialog, where the user can | |
| 506 | 304 select a different printer and/or change printer options. Connection |
| 442 | 305 name can change as a result of selecting a different printer device. If |
| 506 | 306 a device is specified, then changes are stored into the settings object |
| 442 | 307 currently selected into that printer. If a settings object is supplied, |
| 629 | 308 then changes are recorded into it, and, it is selected into a |
| 442 | 309 printer, then changes are propagated to that printer |
| 310 too. | |
| 311 | |
| 312 Return value is nil if the user has canceled the dialog. Otherwise, it | |
| 313 is a new plist, with the following properties: | |
| 510 | 314 name Printer device name, even if unchanged by the user. |
| 315 from-page First page to print, 1-based. Returned if | |
| 316 `selected-page-button' is `pages'. | |
| 317 user, then this value is not included in the plist. | |
| 318 to-page Last page to print, inclusive, 1-based. Returned if | |
| 319 `selected-page-button' is `pages'. | |
| 320 copies Number of copies to print. Always returned. | |
| 321 selected-page-button Which page button was selected (`all', `selection', | |
| 322 or `pages'). | |
| 442 | 323 |
| 324 The DEVICE is destroyed and an error is signaled in case of | |
| 325 initialization problem with the new printer. | |
| 326 | |
| 510 | 327 See also the `page-setup' dialog box type. |
| 442 | 328 |
| 329 --------------------------------------------------------------------------- | |
| 330 | |
| 331 For type `page-setup': | |
| 332 | |
| 333 This invokes the Windows standard Page Setup dialog. | |
| 506 | 334 This dialog is usually invoked in response to the Page Setup command, |
| 335 and used to choose such parameters as page orientation, print margins | |
| 336 etc. Note that this dialog contains the \"Printer\" button, which | |
| 337 invokes the Printer Setup dialog so that the user can update the | |
| 338 printer options or even select a different printer as well. | |
| 442 | 339 |
| 340 The keywords allowed are | |
| 341 | |
| 342 :device | |
| 343 An 'msprinter device. | |
| 344 :print-settings | |
| 345 A printer settings object. | |
| 346 :properties | |
| 347 A plist of job properties. | |
| 348 | |
| 349 Exactly one of these keywords must be given. | |
| 350 | |
| 351 The function brings up the Page Setup dialog, where the user | |
| 352 can select a different printer and/or change printer options. | |
| 353 Connection name can change as a result of selecting a different printer | |
| 506 | 354 device. If a device is specified, then changes are stored into the |
| 442 | 355 settings object currently selected into that printer. If a settings |
| 629 | 356 object is supplied, then changes are recorded into it, and, it is |
| 442 | 357 selected into a printer, then changes are propagated to that printer |
| 358 too. | |
| 359 | |
| 360 :properties specifies a plist of job properties; | |
| 361 see `default-msprinter-frame-plist' for the complete list. The plist | |
| 362 is used to initialize the dialog. | |
| 363 | |
| 364 Return value is nil if the user has canceled the dialog. Otherwise, | |
| 365 it is a new plist, containing the new list of properties. | |
| 366 | |
| 506 | 367 NOTE: The margin properties (returned by this function) are *NOT* stored |
| 368 into the print-settings or device object. | |
| 369 | |
| 442 | 370 The DEVICE is destroyed and an error is signaled in case of |
| 371 initialization problem with the new printer. | |
| 372 | |
| 510 | 373 See also the `print' dialog box type. |
| 442 | 374 |
| 375 --------------------------------------------------------------------------- | |
| 376 | |
| 377 For type `mswindows-message': | |
| 378 | |
| 379 The keywords allowed are | |
| 380 | |
| 381 :title | |
| 382 The title of the dialog box. | |
| 383 :message | |
| 384 The string to display. | |
| 385 :flags | |
| 386 A symbol or list of symbols: | |
| 387 | |
| 388 -- To specify the buttons in the message box: | |
| 389 | |
| 390 abortretryignore | |
| 391 The message box contains three push buttons: Abort, Retry, and Ignore. | |
| 392 ok | |
| 393 The message box contains one push button: OK. This is the default. | |
| 394 okcancel | |
| 395 The message box contains two push buttons: OK and Cancel. | |
| 396 retrycancel | |
| 397 The message box contains two push buttons: Retry and Cancel. | |
| 398 yesno | |
| 399 The message box contains two push buttons: Yes and No. | |
| 400 yesnocancel | |
| 401 The message box contains three push buttons: Yes, No, and Cancel. | |
| 402 | |
| 403 | |
| 404 -- To display an icon in the message box: | |
| 405 | |
| 406 iconexclamation, iconwarning | |
| 407 An exclamation-point icon appears in the message box. | |
| 408 iconinformation, iconasterisk | |
| 409 An icon consisting of a lowercase letter i in a circle appears in | |
| 410 the message box. | |
| 411 iconquestion | |
| 412 A question-mark icon appears in the message box. | |
| 413 iconstop, iconerror, iconhand | |
| 414 A stop-sign icon appears in the message box. | |
| 415 | |
| 416 | |
| 417 -- To indicate the default button: | |
| 418 | |
| 419 defbutton1 | |
| 420 The first button is the default button. This is the default. | |
| 421 defbutton2 | |
| 422 The second button is the default button. | |
| 423 defbutton3 | |
| 424 The third button is the default button. | |
| 425 defbutton4 | |
| 426 The fourth button is the default button. | |
| 427 | |
| 428 | |
| 429 -- To indicate the modality of the dialog box: | |
| 430 | |
| 431 applmodal | |
| 432 The user must respond to the message box before continuing work in | |
| 433 the window identified by the hWnd parameter. However, the user can | |
| 434 move to the windows of other applications and work in those windows. | |
| 435 Depending on the hierarchy of windows in the application, the user | |
| 436 may be able to move to other windows within the application. All | |
| 437 child windows of the parent of the message box are automatically | |
| 438 disabled, but popup windows are not. This is the default. | |
| 439 systemmodal | |
| 440 Same as applmodal except that the message box has the WS_EX_TOPMOST | |
| 441 style. Use system-modal message boxes to notify the user of serious, | |
| 442 potentially damaging errors that require immediate attention (for | |
| 443 example, running out of memory). This flag has no effect on the | |
| 444 user's ability to interact with windows other than those associated | |
| 445 with hWnd. | |
| 446 taskmodal | |
| 447 Same as applmodal except that all the top-level windows belonging to | |
| 448 the current task are disabled if the hWnd parameter is NULL. Use | |
| 449 this flag when the calling application or library does not have a | |
| 450 window handle available but still needs to prevent input to other | |
| 451 windows in the current application without suspending other | |
| 452 applications. | |
| 453 | |
| 454 | |
| 455 In addition, you can specify the following flags: | |
| 456 | |
| 457 default-desktop-only | |
| 458 The desktop currently receiving input must be a default desktop; | |
| 459 otherwise, the function fails. A default desktop is one an | |
| 460 application runs on after the user has logged on. | |
| 461 help | |
| 462 Adds a Help button to the message box. Choosing the Help button or | |
| 463 pressing F1 generates a Help event. | |
| 464 right | |
| 465 The text is right-justified. | |
| 466 rtlreading | |
| 467 Displays message and caption text using right-to-left reading order | |
| 468 on Hebrew and Arabic systems. | |
| 469 setforeground | |
| 470 The message box becomes the foreground window. Internally, Windows | |
| 471 calls the SetForegroundWindow function for the message box. | |
| 472 topmost | |
| 473 The message box is created with the WS_EX_TOPMOST window style. | |
| 474 service-notification | |
| 475 Windows NT only: The caller is a service notifying the user of an | |
| 476 event. The function displays a message box on the current active | |
| 477 desktop, even if there is no user logged on to the computer. If | |
| 478 this flag is set, the hWnd parameter must be NULL. This is so the | |
| 479 message box can appear on a desktop other than the desktop | |
| 480 corresponding to the hWnd. | |
| 481 | |
| 482 | |
| 483 The return value is one of the following menu-item values returned by | |
| 484 the dialog box: | |
| 485 | |
| 486 abort | |
| 487 Abort button was selected. | |
| 488 cancel | |
| 489 Cancel button was selected. | |
| 490 ignore | |
| 491 Ignore button was selected. | |
| 492 no | |
| 493 No button was selected. | |
| 494 ok | |
| 495 OK button was selected. | |
| 496 retry | |
| 497 Retry button was selected. | |
| 498 yes | |
| 499 Yes button was selected. | |
| 500 | |
| 501 If a message box has a Cancel button, the function returns the | |
| 502 `cancel' value if either the ESC key is pressed or the Cancel button | |
| 503 is selected. If the message box has no Cancel button, pressing ESC has | |
| 504 no effect." | |
| 505 (flet ((dialog-box-modal-loop (thunk) | |
| 506 (let* ((frames (frame-list)) | |
| 507 (result | |
| 508 ;; ok, this is extremely tricky. normally a modal | |
| 509 ;; dialog will pop itself down using (dialog-box-finish) | |
| 510 ;; or (dialog-box-cancel), which throws back to this | |
| 511 ;; catch. but question dialog boxes pop down themselves | |
| 512 ;; regardless, so a badly written question dialog box | |
| 513 ;; that does not use (dialog-box-finish) could seriously | |
| 514 ;; wedge us. furthermore, we disable all other frames | |
| 515 ;; in order to implement modality; we need to restore | |
| 516 ;; them before the dialog box is destroyed, because | |
| 517 ;; otherwise windows at least will notice that no top- | |
| 518 ;; level window can have the focus and will shift the | |
| 519 ;; focus to a different app, raising it and obscuring us. | |
| 520 ;; so we create `delete-dialog-box-hook', which is | |
| 521 ;; called right *before* the dialog box gets destroyed. | |
| 522 ;; here, we put a hook on it, and when it's our dialog | |
| 523 ;; box and not someone else's that's being destroyed, | |
| 524 ;; we reenable all the frames and remove the hook. | |
| 525 ;; BUT ... we still have to deal with exiting the | |
| 526 ;; modal loop in case it doesn't happen before us. | |
| 527 ;; we can't do this until after the callbacks for this | |
| 528 ;; dialog box get executed, and that doesn't happen until | |
| 529 ;; after the dialog box is destroyed. so to keep things | |
| 530 ;; synchronous, we enqueue an eval event, which goes into | |
| 531 ;; the same queue as the misc-user events encapsulating | |
| 532 ;; the dialog callbacks and will go after it (because | |
| 533 ;; destroying the dialog box happens after processing | |
| 534 ;; its selection). if the dialog boxes are written | |
| 535 ;; properly, we don't see this eval event, because we've | |
| 536 ;; already exited our modal loop. (Thus, we make sure the | |
| 537 ;; function given in this eval event is actually defined | |
| 538 ;; and does nothing.) If we do see it, though, we know | |
| 539 ;; that we encountered a badly written dialog box and | |
| 540 ;; need to exit now. Currently we just return nil, but | |
| 541 ;; maybe we should signal an error or issue a warning. | |
| 542 (catch 'internal-dialog-box-finish | |
| 543 (let ((id (eval thunk)) | |
| 544 (sym (gensym))) | |
| 545 (fset sym | |
| 546 `(lambda (did) | |
| 547 (when (eq ',id did) | |
| 548 (mapc 'enable-frame ',frames) | |
| 549 (enqueue-eval-event | |
| 550 'internal-make-dialog-box-exit did) | |
| 551 (remove-hook 'delete-dialog-box-hook | |
| 552 ',sym)))) | |
| 1066 | 553 (if (framep id) |
| 554 (add-hook 'delete-frame-hook sym) | |
| 555 (add-hook 'delete-dialog-box-hook sym)) | |
| 442 | 556 (mapc 'disable-frame frames) |
| 557 (block nil | |
| 558 (while t | |
| 559 (let ((event (next-event))) | |
| 560 (if (and (eval-event-p event) | |
| 561 (eq (event-function event) | |
| 562 'internal-make-dialog-box-exit) | |
| 563 (eq (event-object event) id)) | |
| 564 (return '(nil)) | |
| 565 (dispatch-event event))))))))) | |
| 566 (if (listp result) | |
| 567 (car result) | |
| 568 (signal 'quit nil))))) | |
| 569 (case type | |
| 570 (general | |
| 571 (cl-parsing-keywords | |
| 572 ((:title "XEmacs") | |
| 573 (:parent (selected-frame)) | |
| 574 :modal | |
| 575 :properties | |
| 863 | 576 :autosize |
| 442 | 577 :spec) |
| 578 () | |
| 579 (flet ((create-dialog-box-frame () | |
| 580 (let* ((ftop (frame-property cl-parent 'top)) | |
| 581 (fleft (frame-property cl-parent 'left)) | |
| 582 (fwidth (frame-pixel-width cl-parent)) | |
| 583 (fheight (frame-pixel-height cl-parent)) | |
| 584 (fonth (font-height (face-font 'default))) | |
| 585 (fontw (font-width (face-font 'default))) | |
| 586 (cl-properties (append cl-properties | |
| 587 dialog-frame-plist)) | |
| 588 (dfheight (plist-get cl-properties 'height)) | |
| 589 (dfwidth (plist-get cl-properties 'width)) | |
| 590 (unmapped (plist-get cl-properties | |
| 591 'initially-unmapped)) | |
| 592 (gutter-spec cl-spec) | |
| 593 (name (or (plist-get cl-properties 'name) "XEmacs")) | |
| 594 (frame nil)) | |
| 595 (plist-remprop cl-properties 'initially-unmapped) | |
| 596 ;; allow the user to just provide a glyph | |
| 597 (or (glyphp cl-spec) (setq cl-spec (make-glyph cl-spec))) | |
| 598 (setq gutter-spec (copy-sequence "\n")) | |
| 599 (set-extent-begin-glyph (make-extent 0 1 gutter-spec) | |
| 600 cl-spec) | |
| 601 ;; under FVWM at least, if I don't specify the | |
| 602 ;; initial position, it ends up always at (0, 0). | |
| 603 ;; xwininfo doesn't tell me that there are any | |
| 604 ;; program-specified position hints, so it must be | |
| 605 ;; an FVWM bug. So just be smashing and position in | |
| 606 ;; the center of the selected frame. | |
| 607 (setq frame | |
| 608 (make-frame | |
| 609 (append cl-properties | |
| 502 | 610 `(popup |
| 611 ,cl-parent initially-unmapped t | |
| 612 menubar-visible-p nil | |
| 613 has-modeline-p nil | |
| 614 default-toolbar-visible-p nil | |
| 615 top-gutter-visible-p t | |
| 616 top-gutter-height ,(* dfheight fonth) | |
| 617 top-gutter ,gutter-spec | |
| 618 minibuffer none | |
| 619 name ,name | |
| 620 modeline-shadow-thickness 0 | |
| 621 vertical-scrollbar-visible-p nil | |
| 622 horizontal-scrollbar-visible-p nil | |
| 623 unsplittable t | |
| 863 | 624 internal-border-width 8 |
| 502 | 625 left ,(+ fleft (- (/ fwidth 2) |
| 626 (/ (* dfwidth | |
| 627 fontw) | |
| 628 2))) | |
| 629 top ,(+ ftop (- (/ fheight 2) | |
| 630 (/ (* dfheight | |
| 631 fonth) | |
| 632 2))))))) | |
| 442 | 633 (set-face-foreground 'modeline [default foreground] frame) |
| 634 (set-face-background 'modeline [default background] frame) | |
| 863 | 635 ;; resize before mapping |
| 636 (when cl-autosize | |
| 1126 | 637 (set-frame-displayable-pixel-size |
| 863 | 638 frame |
| 639 (image-instance-width | |
| 640 (glyph-image-instance cl-spec | |
| 641 (frame-selected-window frame))) | |
| 642 (image-instance-height | |
| 643 (glyph-image-instance cl-spec | |
| 644 (frame-selected-window frame))))) | |
| 645 ;; somehow, even though the resizing is supposed | |
| 646 ;; to be while the frame is not visible, a | |
| 647 ;; visible resize is perceptible | |
| 442 | 648 (unless unmapped (make-frame-visible frame)) |
| 649 (let ((newbuf (generate-new-buffer " *dialog box*"))) | |
| 650 (set-buffer-dedicated-frame newbuf frame) | |
| 651 (set-frame-property frame 'dialog-box-buffer newbuf) | |
| 502 | 652 (set-window-buffer (frame-root-window frame) newbuf) |
| 442 | 653 (with-current-buffer newbuf |
| 502 | 654 (set (make-local-variable 'frame-title-format) |
| 655 cl-title) | |
| 656 (add-local-hook 'delete-frame-hook | |
| 657 #'(lambda (frame) | |
| 658 (kill-buffer | |
| 659 (frame-property | |
| 660 frame | |
| 661 'dialog-box-buffer)))))) | |
| 442 | 662 frame))) |
| 663 (if cl-modal | |
| 664 (dialog-box-modal-loop '(create-dialog-box-frame)) | |
| 665 (create-dialog-box-frame))))) | |
| 666 (question | |
| 667 (cl-parsing-keywords | |
| 668 ((:modal nil)) | |
| 669 t | |
| 670 (remf cl-keys :modal) | |
| 671 (if cl-modal | |
| 672 (dialog-box-modal-loop `(make-dialog-box-internal ',type | |
| 673 ',cl-keys)) | |
| 674 (make-dialog-box-internal type cl-keys)))) | |
| 675 (t | |
| 676 (make-dialog-box-internal type cl-keys))))) | |
| 677 | |
| 678 (defun dialog-box-finish (result) | |
| 679 "Exit a modal dialog box, returning RESULT. | |
| 680 This is meant to be executed from a dialog box callback function." | |
| 681 (throw 'internal-dialog-box-finish (list result))) | |
| 682 | |
| 683 (defun dialog-box-cancel () | |
| 684 "Cancel a modal dialog box. | |
| 685 This is meant to be executed from a dialog box callback function." | |
| 686 (throw 'internal-dialog-box-finish 'cancel)) | |
| 687 | |
| 688 ;; an eval event, used as a trigger inside of the dialog modal loop. | |
| 689 (defun internal-make-dialog-box-exit (did) | |
| 690 nil) | |
| 691 | |
| 692 (make-obsolete 'popup-dialog-box 'make-dialog-box) | |
| 693 (defun popup-dialog-box (desc) | |
| 694 "Obsolete equivalent of (make-dialog-box 'question ...). | |
| 695 | |
| 696 \(popup-dialog-box (QUESTION BUTTONS ...) | |
| 697 | |
| 698 is equivalent to | |
| 699 | |
| 700 \(make-dialog-box 'question :question QUESTION :buttons BUTTONS)" | |
| 701 (check-argument-type 'stringp (car desc)) | |
| 702 (or (consp (cdr desc)) | |
| 703 (error 'syntax-error | |
| 704 "Dialog descriptor must supply at least one button" | |
| 705 desc)) | |
| 706 (make-dialog-box 'question :question (car desc) :buttons (cdr desc))) | |
| 707 | |
| 209 | 708 ;;; dialog.el ends here |