mdw@git.distorted.org.uk Git - clg/blob - gtk/gtkwidget.lisp

   1 ;; Common Lisp bindings for GTK+ v2.x
   2 ;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
   3 ;;
   4 ;; Permission is hereby granted, free of charge, to any person obtaining
   5 ;; a copy of this software and associated documentation files (the
   6 ;; "Software"), to deal in the Software without restriction, including
   7 ;; without limitation the rights to use, copy, modify, merge, publish,
   8 ;; distribute, sublicense, and/or sell copies of the Software, and to
   9 ;; permit persons to whom the Software is furnished to do so, subject to
  10 ;; the following conditions:
  11 ;;
  12 ;; The above copyright notice and this permission notice shall be
  13 ;; included in all copies or substantial portions of the Software.
  14 ;;
  15 ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16 ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17 ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  18 ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  19 ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  20 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  21 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23 ;; $Id: gtkwidget.lisp,v 1.18 2005-04-23 16:48:52 espen Exp $
  24
  25 (in-package "GTK")
  26
  27
  28 (defmethod shared-initialize ((widget widget) names &key (visible nil visible-p))
  29   (when (and visible-p (not visible)) ; widget explicit set as not visible
  30     (setf (user-data widget 'hidden-p) t)
  31     (signal-connect widget 'show
  32      #'(lambda ()
  33          (unset-user-data widget 'hidden-p))
  34      :remove t))
  35   (call-next-method))
  36
  37 (defmethod shared-initialize :after ((widget widget) names &key parent visible)
  38   (declare (ignore names))
  39   (when visible
  40     (widget-show widget))
  41   (when parent
  42     (when (slot-boundp widget 'parent)
  43       (container-remove (widget-parent widget) widget))
  44     (destructuring-bind (parent &rest args)  (mklist parent)
  45       (apply #'container-add parent widget args))))
  46
  47 (defmethod slot-unbound ((class gobject-class) (object widget)
  48                          (slot (eql 'child-properties)))
  49   (cond
  50    ((slot-boundp object 'parent)
  51     (with-slots (parent child-properties) object
  52       (setf child-properties
  53        (make-instance
  54         (gethash (class-of parent) *container-to-child-class-mappings*)
  55         :parent parent :child object))))
  56    ((call-next-method))))
  57
  58 (defmethod slot-boundp-using-class ((class gobject-class) (object widget) slot)
  59   (or
  60    (and
  61     (eq (slot-definition-name slot) 'child-properties)
  62     (slot-boundp object 'parent))
  63    (call-next-method)))
  64
  65 (defmethod compute-signal-function ((widget widget) signal function object)
  66   (if (eq object :parent)
  67       #'(lambda (&rest args)
  68           (if (slot-boundp widget 'parent)
  69               (apply function (widget-parent widget) (rest args))
  70             ;; Delay until parent is set
  71             (signal-connect widget 'parent-set
  72              #'(lambda (old-parent)
  73                  (declare (ignore old-parent))
  74                  (let ((*signal-stop-emission*
  75                         #'(lambda ()
  76                             (warn "Ignoring emission stop in delayed signal handler"))))
  77                    (apply function (widget-parent widget) (rest args))))
  78              :remove t)
  79 ;           (warn "Widget has no parent -- ignoring signal")
  80             ))
  81     (call-next-method)))
  82
  83 (defun child-property-value (widget slot)
  84   (slot-value (widget-child-properties widget) slot))
  85
  86 (defun (setf child-property-value) (value widget slot)
  87   (setf (slot-value (widget-child-properties widget) slot) value))
  88
  89 (defmacro with-child-properties (slots widget &body body)
  90   `(with-slots ,slots (widget-child-properties ,widget)
  91      ,@body))
  92
  93
  94 ;;; Bindings
  95
  96 (defbinding widget-destroy () nil
  97   (widget widget))
  98
  99 (defbinding widget-unparent () nil
 100   (widget widget))
 101
 102 (defbinding widget-show () nil
 103   (widget widget))
 104
 105 (defbinding widget-show-now () nil
 106   (widget widget))
 107
 108 (defbinding widget-hide () nil
 109   (widget widget))
 110
 111 (defun widget-hidden-p (widget)
 112   "Return T if WIDGET has been explicit hidden during construction."
 113   (user-data widget 'hidden-p))
 114
 115 (defbinding widget-show-all () nil
 116   (widget widget))
 117
 118 (defbinding widget-hide-all () nil
 119   (widget widget))
 120
 121 (defbinding widget-map () nil
 122   (widget widget))
 123
 124 (defbinding widget-unmap () nil
 125   (widget widget))
 126
 127 (defbinding widget-realize () nil
 128   (widget widget))
 129
 130 (defbinding widget-unrealize () nil
 131   (widget widget))
 132
 133 (defbinding widget-queue-draw () nil
 134   (widget widget))
 135
 136 (defbinding widget-queue-resize () nil
 137   (widget widget))
 138
 139 (defbinding widget-queue-resize-no-redraw () nil
 140   (widget widget))
 141
 142 (defbinding widget-size-request
 143     (widget &optional (requisition (make-instance 'requisition))) nil
 144   (widget widget)
 145   (requisition requisition :return))
 146
 147 (defbinding widget-get-child-requisition
 148     (widget &optional (requisition (make-instance 'requisition))) nil
 149   (widget widget)
 150   (requisition requisition :return))
 151
 152 (defbinding widget-size-allocate () nil
 153   (widget widget)
 154   (allocation allocation))
 155
 156 (defbinding widget-add-accelerator
 157     (widget signal accel-group key modifiers flags) nil
 158   (widget widget)
 159   ((name-to-string signal) string)
 160   (accel-group accel-group)
 161   ((gdk:keyval-from-name key) unsigned-int)
 162   (modifiers gdk:modifier-type)
 163   (flags accel-flags))
 164
 165 (defbinding widget-remove-accelerator
 166     (widget accel-group key modifiers) nil
 167   (widget widget)
 168   (accel-group accel-group)
 169   ((gdk:keyval-from-name key) unsigned-int)
 170   (modifiers gdk:modifier-type))
 171
 172 (defbinding widget-set-accel-path () nil
 173   (widget widget)
 174   (accel-path string)
 175   (accel-group accel-group))
 176
 177 (defbinding widget-list-accel-closures () (glist pointer)
 178   (widget widget))
 179
 180 (defbinding widget-can-activate-accel-p () boolean
 181   (widget widget)
 182   (signal-id unsigned-int))
 183
 184 (defbinding widget-event () boolean
 185   (widget widget)
 186   (event gdk:event))
 187
 188 (defbinding widget-activate () boolean
 189   (widget widget))
 190
 191 (defbinding widget-reparent () nil
 192   (widget widget)
 193   (new-parent widget))
 194
 195 (defbinding %widget-intersect () boolean
 196   (widget widget)
 197   (area gdk:rectangle)
 198   (intersection (or null gdk:rectangle)))
 199
 200 (defun widget-intersection (widget area)
 201   (let ((intersection (make-instance 'gdk:rectangle)))
 202     (when (%widget-intersect widget area intersection)
 203       intersection)))
 204
 205 (defun widget-intersect-p (widget area)
 206   (%widget-intersect widget area nil))
 207
 208 (defbinding widget-grab-focus () nil
 209   (widget widget))
 210
 211 (defbinding widget-grab-default () nil
 212   (widget widget))
 213
 214 (defbinding widget-add-events () nil
 215   (widget widget)
 216   (events gdk:event-mask))
 217
 218 (defbinding widget-get-toplevel () widget
 219   (widget widget))
 220
 221 (defbinding widget-get-ancestor (widget type) widget
 222   (widget widget)
 223   ((find-type-number type) type-number))
 224
 225 (defbinding widget-get-pointer () nil
 226   (widget widget)
 227   (x int :out)
 228   (y int :out))
 229
 230 (defbinding widget-is-ancestor-p () boolean
 231   (widget widget)
 232   (ancestor widget))
 233
 234 (defbinding widget-translate-coordinates () boolean
 235   (src-widget widget)
 236   (dest-widget widget)
 237   (src-x int) (src-y int)
 238   (set-x int :out) (dest-y int :out))
 239
 240 (defun widget-hide-on-delete (widget)
 241   "Utility function; intended to be connected to the DELETE-EVENT
 242 signal on a WINDOW. The function calls WIDGET-HIDE on its
 243 argument, then returns T. If connected to DELETE-EVENT, the
 244 result is that clicking the close button for a window (on the window
 245 frame, top right corner usually) will hide but not destroy the
 246 window. By default, GTK+ destroys windows when DELETE-EVENT is
 247 received."
 248   (widget-hide widget)
 249   t)
 250
 251 (defbinding widget-ensure-style () nil
 252   (widget widget))
 253
 254 (defbinding widget-reset-rc-styles () nil
 255   (widget widget))
 256
 257 (defbinding widget-push-colormap () nil
 258   (colormap gdk:colormap))
 259
 260 (defbinding widget-pop-colormap () nil)
 261
 262 (defbinding %widget-set-default-colormap () nil
 263   (colormap gdk:colormap))
 264
 265 (defun (setf widget-default-colormap) (colormap)
 266   (%widget-set-default-colormap colormap)
 267   colormap)
 268
 269 (defbinding (widget-default-style "gtk_widget_get_default_style") () style)
 270
 271 (defbinding (widget-default-colromap "gtk_widget_get_default_colormap")
 272     () gdk:colormap)
 273
 274 (defbinding (widget-default-visual "gtk_widget_get_default_visual")
 275     () gdk:visual)
 276
 277 (defbinding (widget-default-direction "gtk_widget_get_default_direction")
 278     () text-direction)
 279
 280 (defbinding %widget-set-default-direction () nil
 281   (direction text-direction))
 282
 283 (defun (setf widget-default-direction) (direction)
 284   (%widget-set-default-direction direction)
 285   direction)
 286
 287 (defbinding widget-shape-combine-mask () nil
 288   (widget widget)
 289   (shape-mask (or null gdk:bitmap))
 290   (x-offset int)
 291   (y-offset int))
 292
 293 (defbinding widget-path () nil
 294   (widget widget)
 295   (path-length int :out)
 296   (path string :out)
 297   (reverse-path string :out))
 298
 299 (defbinding widget-class-path () nil
 300   (widget widget)
 301   (path-length int :out)
 302   (path string :out)
 303   (reverse-path string :out))
 304
 305 (defbinding widget-modify-style () nil
 306   (widget widget)
 307   (style rc-style))
 308
 309 (defbinding widget-get-modifier-style () rc-style
 310   (widget widget))
 311
 312 (defbinding widget-modify-fg () nil
 313   (widget widget)
 314   (state state-type)
 315   (color gdk:color))
 316
 317 (defbinding widget-modify-bg () nil
 318   (widget widget)
 319   (state state-type)
 320   (color gdk:color))
 321
 322 (defbinding widget-modify-text () nil
 323   (widget widget)
 324   (state state-type)
 325   (color gdk:color))
 326
 327 (defbinding widget-modify-base () nil
 328   (widget widget)
 329   (state state-type)
 330   (color gdk:color))
 331
 332 (defbinding widget-modify-font () nil
 333   (widget widget)
 334   (state state-type)
 335   (font-desc pango:font-description))
 336
 337 (defbinding widget-create-pango-context () pango:context
 338   (widget widget))
 339
 340 (defbinding widget-get-pango-context () pango:context
 341   (widget widget))
 342
 343 (defbinding widget-create-pango-layout (widget &optional text) pango:layout
 344   (widget widget)
 345   (text (or string null)))
 346
 347 (defbinding widget-render-icon (widget stock-id &optional size detail)
 348     gdk:pixbuf
 349   (widget widget)
 350   (stock-id string)
 351   ((or size -1) (or icon-size int))
 352   (detail (or null string)))
 353
 354 (defbinding widget-push-composite-child () nil)
 355
 356 (defbinding widget-pop-composite-child () nil)
 357
 358 (defbinding widget-queue-draw-area () nil
 359   (widget widget)
 360   (x int) (y int) (width int) (height int))
 361
 362 (defbinding widget-reset-shapes () nil
 363   (widget widget))
 364
 365 ;; (defbinding widget-set-double-buffered () nil
 366 ;;   (widget widget)
 367 ;;   (double-buffered boolean))
 368
 369 ;; (defbinding widget-set-redraw-on-allocate () nil
 370 ;;   (widget widget)
 371 ;;   (redraw-on-allocate boolean))
 372
 373 (defbinding widget-set-scroll-adjustments () boolean
 374   (widget widget)
 375   (hadjustment (or null adjustment))
 376   (vadjustment (or null adjustment)))
 377
 378 (defbinding widget-mnemonic-activate () boolean
 379   (widget widget)
 380   (group-cycling boolean))
 381
 382 (defbinding widget-class-find-style-property (class name) param
 383   ((type-class-peek class) pointer)
 384   (name string))
 385
 386 (defbinding widget-class-list-style-properties (class)
 387     (vector (copy-of param) n-properties)
 388   ((type-class-peek class) pointer)
 389   (n-properties unsigned-int :out))
 390
 391 (defbinding widget-region-intersect () pointer ;gdk:region
 392   (widget widget)
 393   (region pointer)) ;gdk:region))
 394
 395 (defbinding widget-send-expose () boolean
 396   (widget widget)
 397   (event gdk:event))
 398
 399 (defbinding %widget-style-get-property () nil
 400   (widget widget)
 401   (name string)
 402   (value gvalue))
 403
 404 (defun style-property-value (widget style)
 405   (let* ((name (string-downcase style))
 406          (param (widget-class-find-style-property (class-of widget) name)))
 407     (if (not param)
 408         (error "~A has no such style property: ~A" widget style)
 409       (with-gvalue (gvalue (param-value-type param))
 410         (%widget-style-get-property widget (string-downcase style) gvalue)))))
 411
 412 (defbinding widget-get-accessible () atk:object
 413   (widget widget))
 414
 415 (defbinding widget-child-focus () boolean
 416   (widget widget)
 417   (direction direction-type))
 418
 419 (defbinding widget-child-notify () nil
 420   (widget widget)
 421   (child-property string))
 422
 423 (defbinding widget-freeze-child-notify () nil
 424   (widget widget))
 425
 426 (defbinding widget-get-clipboard () clipboard
 427   (widget widget)
 428   (selection int #|gdk:atom|#))
 429
 430 (defbinding widget-get-display () gdk:display
 431   (widget widget))
 432
 433 (defbinding widget-get-root-window () gdk:window
 434   (widget widget))
 435
 436 (defbinding widget-get-screen () gdk:screen
 437   (widget widget))
 438
 439 (defbinding widget-has-screen-p () boolean
 440   (widget widget))
 441
 442 (defbinding %widget-get-size-request () nil
 443   (widget widget)
 444   (width int :out)
 445   (height int :out))
 446
 447 (defun widget-get-size-request (widget)
 448   (multiple-value-bind (width height) (%widget-get-size-request widget)
 449      (values (unless (= width -1) width) (unless (= height -1) height))))
 450
 451 (defbinding widget-set-size-request (widget width height) nil
 452   (widget widget)
 453   ((or width -1) int)
 454   ((or height -1) int))
 455
 456 (defbinding widget-thaw-child-notify () nil
 457   (widget widget))
 458
 459 (defbinding widget-list-mnemonic-labels () (glist widget)
 460   (widget widget))
 461
 462 (defbinding widget-add-mnemonic-label () nil
 463   (widget widget)
 464   (label widget))
 465
 466 (defbinding widget-remove-mnemonic-label () nil
 467   (widget widget)
 468   (label widget))
 469
 470
 471 ;;; Additional bindings and functions
 472
 473 (defbinding (widget-mapped-p "gtk_widget_mapped_p") () boolean
 474   (widget widget))
 475
 476 (defbinding widget-get-size-allocation () nil
 477   (widget widget)
 478   (width int :out)
 479   (height int :out))
 480
 481 (defbinding get-event-widget () widget
 482   (event gdk:event))
 483
 484 (defun (setf widget-cursor) (cursor-type widget)
 485   (let ((cursor (make-instance 'gdk:cursor :type cursor-type)))
 486     (gdk:window-set-cursor (widget-window widget) cursor)))
 487
 488 (defbinding %widget-get-parent-window () gdk:window
 489   (widget widget))
 490
 491 (defun %widget-parent-window (widget)
 492   (when (slot-boundp widget 'parent)
 493     (%widget-get-parent-window widget)))