glade-widget.c 119 KB
Newer Older
Jose Maria Celorio's avatar
Jose Maria Celorio committed
1
2
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
3
 * Copyright (C) 2008 Tristan Van Berkom
4
5
 * Copyright (C) 2004 Joaquin Cuenca Abela
 * Copyright (C) 2001, 2002, 2003 Ximian, Inc.
Jose Maria Celorio's avatar
Jose Maria Celorio committed
6
7
8
9
10
11
12
13
14
15
16
17
18
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
19
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Jose Maria Celorio's avatar
Jose Maria Celorio committed
20
21
 *
 * Authors:
22
 *   Joaquin Cuenca Abela <e98cuenc@yahoo.com>
Jose Maria Celorio's avatar
Jose Maria Celorio committed
23
 *   Chema Celorio <chema@celorio.com>
24
 *   Tristan Van Berkom <tvb@gnome.org>
Jose Maria Celorio's avatar
Jose Maria Celorio committed
25
26
 */

27
28
29
30
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

31
32
33
34
35
36
37
38
39
/**
 * SECTION:glade-widget
 * @Short_Description: An object wrapper for the Glade runtime environment.
 *
 * #GladeWidget is the proxy between the instantiated runtime object and
 * the Glade core metadata. This api will be mostly usefull for its
 * convenience api for getting and setting properties (mostly from the plugin).
 */

Jose Maria Celorio's avatar
Jose Maria Celorio committed
40
#include <string.h>
41
#include <glib-object.h>
42
43
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n-lib.h>
Jose Maria Celorio's avatar
Jose Maria Celorio committed
44
#include "glade.h"
45
#include "glade-accumulators.h"
Jose Maria Celorio's avatar
Jose Maria Celorio committed
46
#include "glade-project.h"
47
#include "glade-widget-adaptor.h"
48
49
#include "glade-widget.h"
#include "glade-marshallers.h"
Jose Maria Celorio's avatar
Jose Maria Celorio committed
50
51
#include "glade-property.h"
#include "glade-property-class.h"
52
#include "glade-placeholder.h"
53
#include "glade-signal.h"
54
#include "glade-popup.h"
55
#include "glade-editor.h"
56
#include "glade-app.h"
57
#include "glade-design-view.h"
58
#include "glade-widget-action.h"
59

Jose Maria Celorio's avatar
Jose Maria Celorio committed
60

61

62
63
static void         glade_widget_set_adaptor           (GladeWidget           *widget,
							GladeWidgetAdaptor    *adaptor);
64
65
static void         glade_widget_set_properties        (GladeWidget           *widget,
							GList                 *properties);
66
67
68
69
70
static gboolean     glade_window_is_embedded           (GtkWindow             *window);
static gboolean     glade_widget_embed                 (GladeWidget           *widget);
static void         glade_widget_set_object            (GladeWidget           *gwidget, 
							GObject               *new_object, 
							gboolean               destroy);
71

72
enum
Jose Maria Celorio's avatar
Jose Maria Celorio committed
73
{
74
75
76
	ADD_SIGNAL_HANDLER,
	REMOVE_SIGNAL_HANDLER,
	CHANGE_SIGNAL_HANDLER,
77
78
79
	BUTTON_PRESS_EVENT,
	BUTTON_RELEASE_EVENT,
	MOTION_NOTIFY_EVENT,
80
	SUPPORT_CHANGED,
81
82
	LAST_SIGNAL
};
Jose Maria Celorio's avatar
Jose Maria Celorio committed
83

84
enum
85
{
86
87
88
	PROP_0,
	PROP_NAME,
	PROP_INTERNAL,
89
	PROP_ANARCHIST,
90
	PROP_OBJECT,
91
	PROP_ADAPTOR,
92
93
	PROP_PROJECT,
	PROP_PROPERTIES,
94
95
96
	PROP_PARENT,
	PROP_INTERNAL_NAME,
	PROP_TEMPLATE,
97
	PROP_TEMPLATE_EXACT,
98
99
	PROP_REASON,
	PROP_TOPLEVEL_WIDTH,
100
101
	PROP_TOPLEVEL_HEIGHT,
	PROP_SUPPORT_WARNING
102
103
};

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
104
105
106
static guint         glade_widget_signals[LAST_SIGNAL] = {0};
static GQuark        glade_widget_name_quark = 0;

107

108
G_DEFINE_TYPE (GladeWidget, glade_widget, G_TYPE_INITIALLY_UNOWNED)
109

110
111
112
/*******************************************************************************
                           GladeWidget class methods
 *******************************************************************************/
113
114
115
116
117
118
119
120
121
122
static void
glade_widget_set_packing_actions (GladeWidget *widget, GladeWidget *parent)
{
	if (widget->packing_actions)
	{
		g_list_foreach (widget->packing_actions, (GFunc)g_object_unref, NULL);
		g_list_free (widget->packing_actions);
		widget->packing_actions = NULL;
	}
	
123
124
	if (parent->adaptor->packing_actions)
		widget->packing_actions = glade_widget_adaptor_pack_actions_new (parent->adaptor);
125
126
}

127
static void
128
glade_widget_add_child_impl (GladeWidget  *widget,
129
130
			     GladeWidget  *child,
			     gboolean      at_mouse)
131
{
132
133
	g_object_ref (child);

Tristan Van Berkom's avatar
Tristan Van Berkom committed
134
135
136
	/* Safe to set the parent first... setting it afterwards
	 * creates packing properties, and that is not always
	 * desirable.
137
138
139
	 */
	glade_widget_set_parent (child, widget);

140
141
142
143
	/* Set packing actions first so we have access from the plugin
	 */
	glade_widget_set_packing_actions (child, widget);

144
145
	glade_widget_adaptor_add 
		(widget->adaptor, widget->object, child->object);
146

147
148
149
150
151
152
153
154
155
156
157
158
159
160
	/* XXX FIXME:
	 * We have a fundamental flaw here, we set packing props
	 * after parenting the widget so that we can introspect the
	 * values setup by the runtime widget, in which case the plugin
	 * cannot access its packing properties and set them sensitive
	 * or connect to thier signals etc. maybe its not so important
	 * but its a flaw worthy of note, some kind of double pass api
	 * would be needed to accomadate this.
	 */

	
	/* Setup packing properties here so we can introspect the new
	 * values from the backend.
	 */
161
	glade_widget_set_packing_properties (child, widget);
162
}
163

164
static void
165
166
glade_widget_remove_child_impl (GladeWidget  *widget,
				GladeWidget  *child)
167
{
168
169
	glade_widget_adaptor_remove
		(widget->adaptor, widget->object, child->object);
170

171
	child->parent = NULL;
172
173

	g_object_unref (child);
174
}
175

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
176
177
178
179
180
181
182
183
static void
glade_widget_replace_child_impl (GladeWidget *widget,
				 GObject     *old_object,
				 GObject     *new_object)
{
	GladeWidget *gnew_widget = glade_widget_get_from_gobject (new_object);
	GladeWidget *gold_widget = glade_widget_get_from_gobject (old_object);

184
185
	if (gnew_widget)
	{
186
187
		g_object_ref (gnew_widget);

188
189
190
191
192
193
194
		gnew_widget->parent = widget;

		/* Set packing actions first so we have access from the plugin
		 */
		glade_widget_set_packing_actions (gnew_widget, widget);
	}

195
196
197
198
199
200
201
	if (gold_widget)
	{ 
		g_object_unref (gold_widget);

		if (gold_widget != gnew_widget)
			gold_widget->parent = NULL;
	}
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
202

203
204
	glade_widget_adaptor_replace_child 
		(widget->adaptor, widget->object,
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
205
206
		 old_object, new_object);

207
208
	/* Setup packing properties here so we can introspect the new
	 * values from the backend.
209
	 */
210
	if (gnew_widget)
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
211
212
213
		glade_widget_set_packing_properties (gnew_widget, widget);
}

214
215
216
217
218
static void
glade_widget_add_signal_handler_impl (GladeWidget *widget, GladeSignal *signal_handler)
{
	GPtrArray *signals;
	GladeSignal *new_signal_handler;
219

220
221
222
223
224
225
226
227
	g_return_if_fail (GLADE_IS_WIDGET (widget));
	g_return_if_fail (GLADE_IS_SIGNAL (signal_handler));

	signals = glade_widget_list_signal_handlers (widget, signal_handler->name);
	if (!signals)
	{
		signals = g_ptr_array_new ();
		g_hash_table_insert (widget->signals, g_strdup (signal_handler->name), signals);
228
229
	}

230
231
	new_signal_handler = glade_signal_clone (signal_handler);
	g_ptr_array_add (signals, new_signal_handler);
232
233

	glade_project_update_signal_support_warning (widget, new_signal_handler);
234
235
}

236
static void
237
glade_widget_remove_signal_handler_impl (GladeWidget *widget, GladeSignal *signal_handler)
238
{
239
240
241
	GPtrArray   *signals;
	GladeSignal *tmp_signal_handler;
	guint        i;
242

243
244
	g_return_if_fail (GLADE_IS_WIDGET (widget));
	g_return_if_fail (GLADE_IS_SIGNAL (signal_handler));
245

246
	signals = glade_widget_list_signal_handlers (widget, signal_handler->name);
247

248
249
	/* trying to remove an inexistent signal? */
	g_assert (signals);
250

251
252
253
254
255
256
257
258
259
260
261
	for (i = 0; i < signals->len; i++)
	{
		tmp_signal_handler = g_ptr_array_index (signals, i);
		if (glade_signal_equal (tmp_signal_handler, signal_handler))
		{
			glade_signal_free (tmp_signal_handler);
			g_ptr_array_remove_index (signals, i);
			break;
		}
	}
}
262

263
264
265
266
267
268
static void
glade_widget_change_signal_handler_impl (GladeWidget *widget,
					 GladeSignal *old_signal_handler,
					 GladeSignal *new_signal_handler)
{
	GPtrArray   *signals;
269
	GladeSignal *signal_handler_iter;
270
271
272
273
274
275
	guint        i;
	
	g_return_if_fail (GLADE_IS_WIDGET (widget));
	g_return_if_fail (GLADE_IS_SIGNAL (old_signal_handler));
	g_return_if_fail (GLADE_IS_SIGNAL (new_signal_handler));
	g_return_if_fail (strcmp (old_signal_handler->name, new_signal_handler->name) == 0);
276

277
	signals = glade_widget_list_signal_handlers (widget, old_signal_handler->name);
278

279
280
	/* trying to remove an inexistent signal? */
	g_assert (signals);
281

282
283
	for (i = 0; i < signals->len; i++)
	{
284
285
		signal_handler_iter = g_ptr_array_index (signals, i);
		if (glade_signal_equal (signal_handler_iter, old_signal_handler))
286
287
288
289
		{
			if (strcmp (old_signal_handler->handler,
				    new_signal_handler->handler) != 0)
			{
290
291
				g_free (signal_handler_iter->handler);
				signal_handler_iter->handler =
292
293
					g_strdup (new_signal_handler->handler);
			}
Tristan Van Berkom's avatar
Tristan Van Berkom committed
294

295
			/* Handler */
296
297
298
			if (signal_handler_iter->handler)
				g_free (signal_handler_iter->handler);
			signal_handler_iter->handler =
299
300
301
				g_strdup (new_signal_handler->handler);
			
			/* Object */
302
303
304
			if (signal_handler_iter->userdata)
				g_free (signal_handler_iter->userdata);
			signal_handler_iter->userdata = 
305
306
				g_strdup (new_signal_handler->userdata);
			
307
308
			signal_handler_iter->after    = new_signal_handler->after;
			signal_handler_iter->swapped  = new_signal_handler->swapped;
309
310
311
312
			break;
		}
	}
}
Tristan Van Berkom's avatar
Tristan Van Berkom committed
313
314


315
static gboolean
316
317
glade_widget_button_press_event_impl (GladeWidget    *gwidget,
				      GdkEvent       *base_event)
318
{
319
	GtkWidget         *widget;
320
	GdkEventButton    *event = (GdkEventButton *)base_event;
321
	gboolean           handled = FALSE;
322

323
	/* make sure to grab focus, since we may stop default handlers */
324
	widget = GTK_WIDGET (glade_widget_get_object (gwidget));
325
	if (gtk_widget_get_can_focus (widget) && !gtk_widget_has_focus (widget))
326
		gtk_widget_grab_focus (widget);
327

328
329
	/* if it's already selected don't stop default handlers, e.g. toggle button */
	if (event->button == 1)
330
	{
331
332
		if (event->state & GDK_CONTROL_MASK)
		{
333
334
			if (glade_project_is_selected (gwidget->project,
						       gwidget->object))
335
				glade_app_selection_remove 
336
					(gwidget->object, TRUE);
337
338
			else
				glade_app_selection_add
339
					(gwidget->object, TRUE);
340
341
			handled = TRUE;
		}
342
343
		else if (glade_project_is_selected (gwidget->project,
						    gwidget->object) == FALSE)
344
345
346
		{
			glade_util_clear_selection ();
			glade_app_selection_set 
347
				(gwidget->object, TRUE);
348
349
350
351
352
353

			/* Add selection without interrupting event flow 
			 * when shift is down, this allows better behaviour
			 * for GladeFixed children 
			 */
			handled = !(event->state & GDK_SHIFT_MASK);
354
355
		}
	}
356
357

	/* Give some kind of access in case of missing right button */
358
	if (!handled && glade_popup_is_popup_event (event))
359
360
361
       	{
			glade_popup_widget_pop (gwidget, event, TRUE);
			handled = TRUE;
362
363
	}

364
365
	return handled;
}
366

367
static gboolean
368
369
glade_widget_event_impl (GladeWidget *gwidget,
			 GdkEvent    *event)
370
{
371
372
	gboolean handled = FALSE;

373
	g_return_val_if_fail (GLADE_IS_WIDGET (gwidget), FALSE);
374
375
376
377

	switch (event->type) 
	{
	case GDK_BUTTON_PRESS:
378
379
380
381
382
383
384
385
386
387
388
389
390
391
		g_signal_emit (gwidget, 
			       glade_widget_signals[BUTTON_PRESS_EVENT], 0, 
			       event, &handled);
		break;
	case GDK_BUTTON_RELEASE:
		g_signal_emit (gwidget, 
			       glade_widget_signals[BUTTON_RELEASE_EVENT], 0, 
			       event, &handled);
		break;
	case GDK_MOTION_NOTIFY:
		g_signal_emit (gwidget, 
			       glade_widget_signals[MOTION_NOTIFY_EVENT], 0, 
			       event, &handled);
		break;
392
393
394
395
	default:
		break;
	}

396
	return handled;
397
398
}

399
400
401
402
403
404
405
406

/**
 * glade_widget_event:
 * @event: A #GdkEvent
 *
 * Feed an event to be handled on the project GladeWidget
 * hierarchy.
 *
407
 * Returns: whether the event was handled or not.
408
409
410
411
 */
gboolean
glade_widget_event (GladeWidget *gwidget,
		    GdkEvent    *event)
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
412
{
413
	gboolean   handled = FALSE;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
414

415
	/* Lets just avoid some synthetic events (like focus-change) */
416
	if (((GdkEventAny *)event)->window == NULL) return FALSE;
417

418
	handled = GLADE_WIDGET_GET_CLASS (gwidget)->event (gwidget, event);
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
419

420
#if 0
421
422
423
	if (event->type != GDK_EXPOSE)
		g_print ("event widget '%s' handled '%d' event '%d'\n",
			 gwidget->name, handled, event->type);
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
424
#endif
425

426
	return handled;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
427
428
}

429
430
431
/*******************************************************************************
                      GObjectClass & Object Construction
 *******************************************************************************/
432
433
434

/*
 * This function creates new GObject parameters based on the GType of the 
435
 * GladeWidgetAdaptor and its default values.
436
437
438
439
440
441
442
443
444
 *
 * If a GladeWidget is specified, it will be used to apply the
 * values currently in use.
 */
static GParameter *
glade_widget_template_params (GladeWidget      *widget,
			      gboolean          construct,
			      guint            *n_params)
{
445
	GladeWidgetAdaptor    *klass;
446
447
448
449
450
451
452
453
454
455
	GArray              *params;
	GObjectClass        *oclass;
	GParamSpec         **pspec;
	GladeProperty       *glade_property;
	GladePropertyClass  *pclass;
	guint                n_props, i;

	g_return_val_if_fail (GLADE_IS_WIDGET (widget), NULL);
	g_return_val_if_fail (n_params != NULL, NULL);

456
	klass = widget->adaptor;
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
	
	/* As a slight optimization, we never unref the class
	 */
	oclass = g_type_class_ref (klass->type);
	pspec  = g_object_class_list_properties (oclass, &n_props);
	params = g_array_new (FALSE, FALSE, sizeof (GParameter));

	for (i = 0; i < n_props; i++)
	{
		GParameter parameter = { 0, };

		if ((glade_property = 
		     glade_widget_get_property (widget, pspec[i]->name)) == NULL)
			continue;

472
		pclass = glade_property->klass;
473
474
475
		
		/* Ignore properties based on some criteria
		 */
476
477
		if (!glade_property_get_enabled (glade_property) ||
		    pclass == NULL  || /* Unaccounted for in the builder */
478
		    pclass->virt    || /* should not be set before 
479
480
					  GladeWidget wrapper exists */
		    pclass->ignore)    /* Catalog explicitly ignores the object */
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
			continue;

		if (construct &&
		    (pspec[i]->flags & 
		     (G_PARAM_CONSTRUCT|G_PARAM_CONSTRUCT_ONLY)) == 0)
			continue;
		else if (!construct &&
			 (pspec[i]->flags & 
			  (G_PARAM_CONSTRUCT|G_PARAM_CONSTRUCT_ONLY)) != 0)
			continue;

		if (g_value_type_compatible (G_VALUE_TYPE (pclass->def),
					     pspec[i]->value_type) == FALSE)
		{
			g_critical ("Type mismatch on %s property of %s",
				    parameter.name, klass->name);
			continue;
		}

		if (g_param_values_cmp (pspec[i], 
					glade_property->value, 
					pclass->orig_def) == 0)
			continue;


		parameter.name = pspec[i]->name; /* These are not copied/freed */
		g_value_init (&parameter.value, pspec[i]->value_type);
		g_value_copy (glade_property->value, &parameter.value);
		
		g_array_append_val (params, parameter);
	}
	g_free (pspec);

	*n_params = params->len;
	return (GParameter *)g_array_free (params, FALSE);
}

static void
free_params (GParameter *params, guint n_params)
{
	gint i;
	for (i = 0; i < n_params; i++)
		g_value_unset (&(params[i].value));
	g_free (params);

}

static GObject *
529
530
glade_widget_build_object (GladeWidget *widget,
			   GladeWidget *template,
531
			   GladeCreateReason reason)
532
533
534
{
	GParameter          *params;
	GObject             *object;
535
	guint                n_params, i;
536
537
	
	if (reason == GLADE_CREATE_LOAD)
538
539
	{
		object = glade_widget_adaptor_construct_object (widget->adaptor, 0, NULL);
540
		glade_widget_set_object (widget, object, TRUE);
541
542
		return object;
	}
543

544
	if (template)
545
		params = glade_widget_template_params (widget, TRUE, &n_params);
546
	else
547
		params = glade_widget_adaptor_default_params (widget->adaptor, TRUE, &n_params);
548
549
550

	/* Create the new object with the correct parameters.
	 */
551
	object = glade_widget_adaptor_construct_object (widget->adaptor, n_params, params);
552
553
554

	free_params (params, n_params);

555
556
	/* Dont destroy toplevels when rebuilding, handle that separately */
	glade_widget_set_object (widget, object, reason != GLADE_CREATE_REBUILD);
557
558

	if (template)
559
		params = glade_widget_template_params (widget, FALSE, &n_params);
560
	else
561
		params = glade_widget_adaptor_default_params (widget->adaptor, FALSE, &n_params);
562
563

	for (i = 0; i < n_params; i++)
564
		glade_widget_adaptor_set_property (widget->adaptor, object, params[i].name, &(params[i].value));
565
566
567

	free_params (params, n_params);

568
569
570
	return object;
}

571
572
/**
 * glade_widget_dup_properties:
573
 * @dest_widget: the widget we are copying properties for
574
575
 * @template_props: the #GladeProperty list to copy
 * @as_load: whether to behave as if loading the project
576
577
 * @copy_parentless: whether to copy reffed widgets at all
 * @exact: whether to copy reffed widgets exactly
578
579
580
581
582
583
 *
 * Copies a list of properties, if @as_load is specified, then
 * properties that are not saved to the glade file are ignored.
 *
 * Returns: A newly allocated #GList of new #GladeProperty objects.
 */
584
GList *
585
glade_widget_dup_properties (GladeWidget *dest_widget, GList *template_props, gboolean as_load, 
586
			     gboolean copy_parentless, gboolean exact)
587
588
589
590
591
592
{
	GList *list, *properties = NULL;

	for (list = template_props; list && list->data; list = list->next)
	{
		GladeProperty *prop = list->data;
593
		
594
		if (prop->klass->save == FALSE && as_load)
595
596
			continue;

597
598
599
600
601
602
603

		if (prop->klass->parentless_widget && copy_parentless)
		{
			GObject *object = NULL;
			GladeWidget *parentless;

			glade_property_get (prop, &object);
604
605
606

			prop = glade_property_dup (prop, NULL);

607
608
609
610
611
612
			if (object)
			{
				parentless = glade_widget_get_from_gobject (object);

				parentless = glade_widget_dup (parentless, exact);

613
614
				glade_widget_set_project (parentless, dest_widget->project);

615
616
617
618
619
620
621
622
				glade_property_set (prop, parentless->object);
			}
		} 
		else 
			prop = glade_property_dup (prop, NULL);


		properties = g_list_prepend (properties, prop);
623
624
625
626
	}
	return g_list_reverse (properties);
}

627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
/**
 * glade_widget_remove_property:
 * @widget: A #GladeWidget
 * @id_property: the name of the property
 *
 * Removes the #GladeProperty indicated by @id_property
 * from @widget (this is intended for use in the plugin, to
 * remove properties from composite children that dont make
 * sence to allow the user to specify, notably - properties
 * that are proxied through the composite widget's properties or
 * style properties).
 */
void
glade_widget_remove_property (GladeWidget  *widget,
			      const gchar  *id_property)
{
	GladeProperty *prop;

	g_return_if_fail (GLADE_IS_WIDGET (widget));
	g_return_if_fail (id_property);

648
649
650
651
	/* XXX FIXME: currently we arent calling this on packing properties,
	 * but doing so could cause crashes because the hash table is not
	 * managed properly
	 */
652
653
654
	if ((prop = glade_widget_get_property (widget, id_property)) != NULL)
	{
		widget->properties = g_list_remove (widget->properties, prop);
655
		g_hash_table_remove (widget->props_hash, prop->klass->id);
656
657
658
659
660
661
662
		g_object_unref (prop);
	}
	else
		g_critical ("Couldnt find property %s on widget %s\n",
			    id_property, widget->name);
}

663
664
665
666
667
668
669
670
671
672
673
674
675
676
static void
glade_widget_set_catalog_defaults (GList *list)
{
	GList *l;
	for (l = list; l && l->data; l = l->next)
	{
		GladeProperty *prop  = l->data;
		GladePropertyClass *klass = prop->klass;
		
		if (glade_property_equals_value (prop, klass->orig_def) &&
		     g_param_values_cmp (klass->pspec, klass->orig_def, klass->def))
			glade_property_reset (prop);
	}
}
677

678
679
680
681
682
683
684
static void
glade_widget_sync_custom_props (GladeWidget *widget)
{
	GList *l;
	for (l = widget->properties; l && l->data; l = l->next)
	{
		GladeProperty *prop  = GLADE_PROPERTY(l->data);
685

686
		if (prop->klass->virt || prop->klass->needs_sync)
687
688
			glade_property_sync (prop);

689
690
691
692
693
694
695
696
697
698
699
700
701
	}
}

static void
glade_widget_sync_packing_props (GladeWidget *widget)
{
	GList *l;
	for (l = widget->packing_properties; l && l->data; l = l->next) {
		GladeProperty *prop  = GLADE_PROPERTY(l->data);
		glade_property_sync (prop);
	}
}

702

703
704
705
706
707
708
709
710
711
static GObject *
glade_widget_constructor (GType                  type,
			  guint                  n_construct_properties,
			  GObjectConstructParam *construct_properties)
{
	GladeWidget      *gwidget;
	GObject          *ret_obj, *object;
	GList            *properties = NULL, *list;

712
	ret_obj = G_OBJECT_CLASS (glade_widget_parent_class)->constructor
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
		(type, n_construct_properties, construct_properties);

	gwidget = GLADE_WIDGET (ret_obj);

	if (gwidget->name == NULL)
	{
		if (gwidget->internal)
		{
			gchar *name_base = g_strdup_printf ("%s-%s", 
							    gwidget->construct_internal, 
							    gwidget->internal);
			
			if (gwidget->project)
			{
				gwidget->name = 
					glade_project_new_widget_name (gwidget->project, 
729
								       gwidget,
730
731
732
733
734
735
736
737
738
								       name_base);
				g_free (name_base);
			}
			else
				gwidget->name = name_base;

		}
		else if (gwidget->project)
			gwidget->name = glade_project_new_widget_name
739
				(gwidget->project, gwidget,
740
				 gwidget->adaptor->generic_name);
741
742
		else
			gwidget->name = 
743
				g_strdup (gwidget->adaptor->generic_name);
744
745
746
747
748
	}

	if (gwidget->construct_template)
	{
		properties = glade_widget_dup_properties
749
			(gwidget, gwidget->construct_template->properties, FALSE, TRUE, gwidget->construct_exact);
750
751
752
753
754
755
		
		glade_widget_set_properties (gwidget, properties);
	}

	if (gwidget->object == NULL)
	{
756
757
758
		object = glade_widget_build_object (gwidget, 
						    gwidget->construct_template, 
						    gwidget->construct_reason);
759
760
	}

761
762
763
764
765
766
767
768
769
770
771
772
	/* Copy sync parentless widget props here after a dup
	 */
	if (gwidget->construct_reason == GLADE_CREATE_COPY)
	{
		for (list = gwidget->properties; list; list = list->next)
		{
			GladeProperty *property = list->data;
			if (property->klass->parentless_widget)
				glade_property_sync (property);
		}
	}

773
774
775
776
	/* Setup width/height */
	gwidget->width  = GWA_DEFAULT_WIDTH (gwidget->adaptor);
	gwidget->height = GWA_DEFAULT_HEIGHT (gwidget->adaptor);

777
778
779
780
	/* Introspect object properties before passing it to post_create,
	 * but only when its freshly created (depend on glade file at
	 * load time and copying properties at dup time).
	 */
781
	if (gwidget->construct_reason == GLADE_CREATE_USER)
782
783
		for (list = gwidget->properties; list; list = list->next)
			glade_property_load (GLADE_PROPERTY (list->data));
784
	
785
786
787
788
	/* We only use catalog defaults when the widget was created by the user! */
	if (gwidget->construct_reason == GLADE_CREATE_USER)
		glade_widget_set_catalog_defaults (gwidget->properties);
	
789
790
791
	/* Only call this once the GladeWidget is completely built
	 * (but before calling custom handlers...)
	 */
792
793
794
	glade_widget_adaptor_post_create (gwidget->adaptor, 
					  gwidget->object,
					  gwidget->construct_reason);
795

796
	/* Virtual properties need to be explicitly synchronized.
797
798
799
800
801
802
	 */
	if (gwidget->construct_reason == GLADE_CREATE_USER)
		glade_widget_sync_custom_props (gwidget);

	if (gwidget->parent && gwidget->packing_properties == NULL)
		glade_widget_set_packing_properties (gwidget, gwidget->parent);
803
	
804
	if (GTK_IS_WIDGET (gwidget->object) && !gtk_widget_is_toplevel (GTK_WIDGET (gwidget->object)))
Tristan Van Berkom's avatar
Tristan Van Berkom committed
805
806
807
808
809
810
811
	{
		gwidget->visible = TRUE;
		gtk_widget_show_all (GTK_WIDGET (gwidget->object));
	}
	else if (GTK_IS_WIDGET (gwidget->object) == FALSE)
		gwidget->visible = TRUE;
	
812
813
814
	return ret_obj;
}

815
816
static void
glade_widget_finalize (GObject *object)
817
{
818
	GladeWidget *widget = GLADE_WIDGET (object);
819

820
	g_return_if_fail (GLADE_IS_WIDGET (object));
821

822
823
824
825
826
#if 0
	/* A good way to check if refcounts are balancing at project close time */
	g_print ("Finalizing widget %s\n", widget->name);
#endif

827
828
	g_free (widget->name);
	g_free (widget->internal);
829
	g_free (widget->support_warning);
830
	g_hash_table_destroy (widget->signals);
831

832
833
834
835
836
	if (widget->props_hash)
		g_hash_table_destroy (widget->props_hash);
	if (widget->pack_props_hash)
		g_hash_table_destroy (widget->pack_props_hash);

837
838
839
840
841
842
843
844
845
846
	G_OBJECT_CLASS (glade_widget_parent_class)->finalize(object);
}

static void
reset_object_property (GladeProperty *property,
		       GladeProject  *project)
{
	if (glade_property_class_is_object (property->klass, 
					    glade_project_get_format (project)))
		glade_property_reset (property);
847
848
}

849
850
static void
glade_widget_dispose (GObject *object)
851
{
852
	GladeWidget *widget = GLADE_WIDGET (object);
853

854
	glade_widget_push_superuser ();
Tristan Van Berkom's avatar
Updated    
Tristan Van Berkom committed
855

856
857
858
859
860
861
862
863
864
865
	/* Release references by way of object properties... */
	while (widget->prop_refs)
	{
		GladeProperty *property = GLADE_PROPERTY (widget->prop_refs->data);
		glade_property_set (property, NULL);
	}

	if (widget->properties)
		g_list_foreach (widget->properties, (GFunc)reset_object_property, widget->project);

866
867
868
869
870
871
872
873
874
	/* We have to make sure properties release thier references on other widgets first 
	 * hence the reset (for object properties) */
	if (widget->properties)
	{
		g_list_foreach (widget->properties, (GFunc)g_object_unref, NULL);
		g_list_free (widget->properties);
		widget->properties = NULL;
	}

875
	glade_widget_set_object (widget, NULL, TRUE);
876
877
878
879
880
	
	if (widget->packing_properties)
	{
		g_list_foreach (widget->packing_properties, (GFunc)g_object_unref, NULL);
		g_list_free (widget->packing_properties);
881
		widget->packing_properties = NULL;
882
	}
883
884
885
886
887
	
	if (widget->actions)
	{
		g_list_foreach (widget->actions, (GFunc)g_object_unref, NULL);
		g_list_free (widget->actions);
888
		widget->actions = NULL;
889
	}
890
891
892
893
894
	
	if (widget->packing_actions)
	{
		g_list_foreach (widget->packing_actions, (GFunc)g_object_unref, NULL);
		g_list_free (widget->packing_actions);
895
		widget->packing_actions = NULL;
896
	}
897

898
899
	glade_widget_pop_superuser ();

900
	G_OBJECT_CLASS (glade_widget_parent_class)->dispose (object);
901
902
}

903
static void
904
905
906
907
glade_widget_set_real_property (GObject         *object,
				guint            prop_id,
				const GValue    *value,
				GParamSpec      *pspec)
908
{
909
	GladeWidget *widget;
910

911
	widget = GLADE_WIDGET (object);
912

913
	switch (prop_id)
914
	{
915
916
917
918
919
920
921
922
923
924
	case PROP_NAME:
		glade_widget_set_name (widget, g_value_get_string (value));
		break;
	case PROP_INTERNAL:
		glade_widget_set_internal (widget, g_value_get_string (value));
		break;
	case PROP_ANARCHIST:
		widget->anarchist = g_value_get_boolean (value);
		break;
	case PROP_OBJECT:
925
		if (g_value_get_object (value))
926
			glade_widget_set_object (widget, g_value_get_object (value), TRUE);
927
928
929
930
		break;
	case PROP_PROJECT:
		glade_widget_set_project (widget, GLADE_PROJECT (g_value_get_object (value)));
		break;
931
932
933
	case PROP_ADAPTOR:
		glade_widget_set_adaptor (widget, GLADE_WIDGET_ADAPTOR
					  (g_value_get_object (value)));
934
935
936
937
938
939
940
		break;
	case PROP_PROPERTIES:
		glade_widget_set_properties (widget, (GList *)g_value_get_pointer (value));
		break;
	case PROP_PARENT:
		glade_widget_set_parent (widget, GLADE_WIDGET (g_value_get_object (value)));
		break;
941
942
943
944
945
946
947
	case PROP_INTERNAL_NAME:
		if (g_value_get_string (value))
			widget->construct_internal = g_value_dup_string (value);
		break;
	case PROP_TEMPLATE:
		widget->construct_template = g_value_get_object (value);
		break;
948
949
950
	case PROP_TEMPLATE_EXACT:
		widget->construct_exact = g_value_get_boolean (value);
		break;
951
952
953
	case PROP_REASON:
		widget->construct_reason = g_value_get_int (value);
		break;
954
955
956
957
958
959
	case PROP_TOPLEVEL_WIDTH:
		widget->width = g_value_get_int (value);
		break;
	case PROP_TOPLEVEL_HEIGHT:
		widget->height = g_value_get_int (value);
		break;
960
961
962
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
963
964
965
966
	}
}

static void
967
968
969
970
glade_widget_get_real_property (GObject         *object,
				guint            prop_id,
				GValue          *value,
				GParamSpec      *pspec)
971
{
972
973
974
975
976
	GladeWidget *widget;

	widget = GLADE_WIDGET (object);

	switch (prop_id)
977
	{
978
979
980
981
982
983
984
985
986
	case PROP_NAME:
		g_value_set_string (value, widget->name);
		break;
	case PROP_INTERNAL:
		g_value_set_string (value, widget->internal);
		break;
	case PROP_ANARCHIST:
		g_value_set_boolean (value, widget->anarchist);
		break;
987
988
	case PROP_ADAPTOR:
		g_value_set_object (value, widget->adaptor);
989
990
991
992
993
994
995
996
997
998
999
1000
1001
		break;
	case PROP_PROJECT:
		g_value_set_object (value, G_OBJECT (widget->project));
		break;
	case PROP_OBJECT:
		g_value_set_object (value, widget->object);
		break;
	case PROP_PROPERTIES:
		g_value_set_pointer (value, widget->properties);
		break;
	case PROP_PARENT:
		g_value_set_object (value, widget->parent);
		break;
1002
1003
1004
1005
1006
1007
	case PROP_TOPLEVEL_WIDTH:
		g_value_set_int (value, widget->width);
		break;
	case PROP_TOPLEVEL_HEIGHT:
		g_value_set_int (value, widget->height);
		break;
1008
1009
1010
	case PROP_SUPPORT_WARNING:
		g_value_set_string (value, widget->support_warning);
		break;
1011
1012
1013
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
1014
1015
1016
1017
	}
}

static void
1018
free_signals (gpointer value)
1019
{
1020
1021
1022
	GPtrArray *signals = (GPtrArray*) value;
	guint i;
	guint nb_signals;
1023

1024
1025
	if (signals == NULL)
		return;
1026

1027
1028
1029
1030
1031
	/* g_ptr_array_foreach (signals, (GFunc) glade_signal_free, NULL);
	 * only available in modern versions of Gtk+ */
	nb_signals = signals->len;
	for (i = 0; i < nb_signals; i++)
		glade_signal_free (g_ptr_array_index (signals, i));
1032

1033
	g_ptr_array_free (signals, TRUE);
1034
1035
}

1036
static void
1037
glade_widget_init (GladeWidget *widget)
1038
{
1039
	widget->adaptor = NULL;
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
	widget->project = NULL;
	widget->name = NULL;
	widget->internal = NULL;
	widget->object = NULL;
	widget->properties = NULL;
	widget->packing_properties = NULL;
	widget->prop_refs = NULL;
	widget->signals = g_hash_table_new_full
		(g_str_hash, g_str_equal,
		 (GDestroyNotify) g_free,
		 (GDestroyNotify) free_signals);
1051
1052
1053
1054
	
	/* Initial invalid values */
	widget->width  = -1;
	widget->height = -1;
1055
1056
}

1057
static void
1058
glade_widget_class_init (GladeWidgetClass *klass)
1059
{
1060
	GObjectClass *object_class;
1061

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
1062
1063
1064
1065
	if (glade_widget_name_quark == 0)
		glade_widget_name_quark = 
			g_quark_from_static_string ("GladeWidgetDataTag");

1066
	object_class = G_OBJECT_CLASS (klass);
1067

1068
	object_class->constructor     = glade_widget_constructor;
1069
1070
1071
1072
	object_class->finalize        = glade_widget_finalize;
	object_class->dispose         = glade_widget_dispose;
	object_class->set_property    = glade_widget_set_real_property;
	object_class->get_property    = glade_widget_get_real_property;
1073

1074
1075
	klass->add_child              = glade_widget_add_child_impl;
	klass->remove_child           = glade_widget_remove_child_impl;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
1076
	klass->replace_child          = glade_widget_replace_child_impl;
1077
	klass->event                  = glade_widget_event_impl;
1078

1079
1080
1081
	klass->add_signal_handler     = glade_widget_add_signal_handler_impl;
	klass->remove_signal_handler  = glade_widget_remove_signal_handler_impl;
	klass->change_signal_handler  = glade_widget_change_signal_handler_impl;
1082

1083
1084
1085
	klass->button_press_event     = glade_widget_button_press_event_impl;
	klass->button_release_event   = NULL;
	klass->motion_notify_event    = NULL;
1086

1087
1088
1089
1090
1091
1092
1093
	g_object_class_install_property
		(object_class, PROP_NAME,
		 g_param_spec_string ("name", _("Name"),
				      _("The name of the widget"),
				      NULL,
				      G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));
1094

1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
	g_object_class_install_property
		(object_class, PROP_INTERNAL,
		 g_param_spec_string ("internal", _("Internal name"),
				      _("The internal name of the widget"),
				      NULL, G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));
	
	g_object_class_install_property
		(object_class, PROP_ANARCHIST,
		 g_param_spec_boolean ("anarchist", _("Anarchist"),
				       _("Whether this composite child is "
					 "an ancestral child or an anarchist child"),
				       FALSE, G_PARAM_READWRITE |
				       G_PARAM_CONSTRUCT_ONLY));
1109

1110
1111
1112
1113
1114
1115
1116
	g_object_class_install_property
		(object_class, PROP_OBJECT,
		 g_param_spec_object ("object", _("Object"),
				      _("The object associated"),
				      G_TYPE_OBJECT,
				      G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));
1117

1118
	g_object_class_install_property
1119
1120
1121
1122
1123
1124
		(object_class, PROP_ADAPTOR,
		   g_param_spec_object ("adaptor", _("Adaptor"),
					_("The class adaptor for the associated widget"),
					GLADE_TYPE_WIDGET_ADAPTOR,
					G_PARAM_READWRITE |
					G_PARAM_CONSTRUCT_ONLY));
1125

1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
	g_object_class_install_property
		(object_class, PROP_PROJECT,
		 g_param_spec_object ("project", _("Project"),
				      _("The glade project that "
					"this widget belongs to"),
				      GLADE_TYPE_PROJECT,
				      G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));

	g_object_class_install_property
		(object_class, PROP_PROPERTIES,
		 g_param_spec_pointer ("properties", _("Properties"),
				       _("A list of GladeProperties"),
				       G_PARAM_READWRITE |
				       G_PARAM_CONSTRUCT_ONLY));
1141

1142
1143
1144
	g_object_class_install_property
		(object_class, 	PROP_PARENT,
		 g_param_spec_object ("parent", _("Parent"),
1145
1146
1147
1148
				      _("A pointer to the parenting GladeWidget"),
				      GLADE_TYPE_WIDGET,
				      G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));
1149

1150
1151
1152
1153
1154
	g_object_class_install_property
		(object_class, 	PROP_INTERNAL_NAME,
		 g_param_spec_string ("internal-name", _("Internal Name"),
				      _("A generic name prefix for internal widgets"),
				      NULL, G_PARAM_CONSTRUCT_ONLY|G_PARAM_WRITABLE));
1155

1156
1157
1158
1159
1160
1161
1162
	g_object_class_install_property
		(object_class, 	PROP_TEMPLATE,
		 g_param_spec_object ("template", _("Template"),
				       _("A GladeWidget template to base a new widget on"),
				      GLADE_TYPE_WIDGET,
				      G_PARAM_CONSTRUCT_ONLY|G_PARAM_WRITABLE));

1163
1164
1165
1166
1167
1168
	g_object_class_install_property
		(object_class, PROP_TEMPLATE_EXACT,
		 g_param_spec_boolean ("template-exact", _("Exact Template"),
				       _("Whether we are creating an exact duplicate when using a template"),
				       FALSE, G_PARAM_WRITABLE|G_PARAM_CONSTRUCT_ONLY));

1169
1170
1171
1172
1173
1174
1175
1176
	g_object_class_install_property
		(