glade-widget.c 116 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
static gboolean     glade_window_is_embedded           (GtkWindow *window);
67
static gboolean     glade_widget_embed                 (GladeWidget *widget);
68

69
enum
Jose Maria Celorio's avatar
Jose Maria Celorio committed
70
{
71
72
73
	ADD_SIGNAL_HANDLER,
	REMOVE_SIGNAL_HANDLER,
	CHANGE_SIGNAL_HANDLER,
74
75
76
	BUTTON_PRESS_EVENT,
	BUTTON_RELEASE_EVENT,
	MOTION_NOTIFY_EVENT,
77
78
	LAST_SIGNAL
};
Jose Maria Celorio's avatar
Jose Maria Celorio committed
79

80
enum
81
{
82
83
84
	PROP_0,
	PROP_NAME,
	PROP_INTERNAL,
85
	PROP_ANARCHIST,
86
	PROP_OBJECT,
87
	PROP_ADAPTOR,
88
89
	PROP_PROJECT,
	PROP_PROPERTIES,
90
91
92
	PROP_PARENT,
	PROP_INTERNAL_NAME,
	PROP_TEMPLATE,
93
	PROP_TEMPLATE_EXACT,
94
95
	PROP_REASON,
	PROP_TOPLEVEL_WIDTH,
96
97
	PROP_TOPLEVEL_HEIGHT,
	PROP_SUPPORT_WARNING
98
99
};

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
100
101
102
static guint         glade_widget_signals[LAST_SIGNAL] = {0};
static GQuark        glade_widget_name_quark = 0;

103
104
105

G_DEFINE_TYPE (GladeWidget, glade_widget, G_TYPE_OBJECT)

106
107
108
/*******************************************************************************
                           GladeWidget class methods
 *******************************************************************************/
109
110
111
112
113
114
115
116
117
118
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;
	}
	
119
120
	if (parent->adaptor->packing_actions)
		widget->packing_actions = glade_widget_adaptor_pack_actions_new (parent->adaptor);
121
122
}

123
static void
124
glade_widget_add_child_impl (GladeWidget  *widget,
125
126
			     GladeWidget  *child,
			     gboolean      at_mouse)
127
{
Tristan Van Berkom's avatar
Tristan Van Berkom committed
128
129
130
	/* Safe to set the parent first... setting it afterwards
	 * creates packing properties, and that is not always
	 * desirable.
131
132
133
	 */
	glade_widget_set_parent (child, widget);

134
135
136
137
	/* Set packing actions first so we have access from the plugin
	 */
	glade_widget_set_packing_actions (child, widget);

138
139
	glade_widget_adaptor_add 
		(widget->adaptor, widget->object, child->object);
140

141
142
143
144
145
146
147
148
149
150
151
152
153
154
	/* 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.
	 */
155
	glade_widget_set_packing_properties (child, widget);
156
}
157

158
static void
159
160
glade_widget_remove_child_impl (GladeWidget  *widget,
				GladeWidget  *child)
161
{
162
163
	glade_widget_adaptor_remove
		(widget->adaptor, widget->object, child->object);
164
}
165

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
166
167
168
169
170
171
172
173
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);

174
175
176
177
178
179
180
181
182
	if (gnew_widget)
	{
		gnew_widget->parent = widget;

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

Tristan Van Berkom's avatar
Tristan Van Berkom committed
183
184
	if (gold_widget && gold_widget != gnew_widget)
		gold_widget->parent = NULL;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
185

186
187
	glade_widget_adaptor_replace_child 
		(widget->adaptor, widget->object,
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
188
189
		 old_object, new_object);

190
191
	/* Setup packing properties here so we can introspect the new
	 * values from the backend.
192
	 */
193
	if (gnew_widget)
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
194
195
196
		glade_widget_set_packing_properties (gnew_widget, widget);
}

197
198
199
200
201
static void
glade_widget_add_signal_handler_impl (GladeWidget *widget, GladeSignal *signal_handler)
{
	GPtrArray *signals;
	GladeSignal *new_signal_handler;
202

203
204
205
206
207
208
209
210
	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);
211
212
	}

213
214
	new_signal_handler = glade_signal_clone (signal_handler);
	g_ptr_array_add (signals, new_signal_handler);
215
216
}

217
static void
218
glade_widget_remove_signal_handler_impl (GladeWidget *widget, GladeSignal *signal_handler)
219
{
220
221
222
	GPtrArray   *signals;
	GladeSignal *tmp_signal_handler;
	guint        i;
223

224
225
	g_return_if_fail (GLADE_IS_WIDGET (widget));
	g_return_if_fail (GLADE_IS_SIGNAL (signal_handler));
226

227
	signals = glade_widget_list_signal_handlers (widget, signal_handler->name);
228

229
230
	/* trying to remove an inexistent signal? */
	g_assert (signals);
231

232
233
234
235
236
237
238
239
240
241
242
	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;
		}
	}
}
243

244
245
246
247
248
249
250
251
252
253
254
255
256
static void
glade_widget_change_signal_handler_impl (GladeWidget *widget,
					 GladeSignal *old_signal_handler,
					 GladeSignal *new_signal_handler)
{
	GPtrArray   *signals;
	GladeSignal *tmp_signal_handler;
	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);
257

258
	signals = glade_widget_list_signal_handlers (widget, old_signal_handler->name);
259

260
261
	/* trying to remove an inexistent signal? */
	g_assert (signals);
262

263
264
265
266
267
268
269
270
271
272
273
274
	for (i = 0; i < signals->len; i++)
	{
		tmp_signal_handler = g_ptr_array_index (signals, i);
		if (glade_signal_equal (tmp_signal_handler, old_signal_handler))
		{
			if (strcmp (old_signal_handler->handler,
				    new_signal_handler->handler) != 0)
			{
				g_free (tmp_signal_handler->handler);
				tmp_signal_handler->handler =
					g_strdup (new_signal_handler->handler);
			}
Tristan Van Berkom's avatar
Tristan Van Berkom committed
275

276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
			/* Handler */
			if (tmp_signal_handler->handler)
				g_free (tmp_signal_handler->handler);
			tmp_signal_handler->handler =
				g_strdup (new_signal_handler->handler);
			
			/* Object */
			if (tmp_signal_handler->userdata)
				g_free (tmp_signal_handler->userdata);
			tmp_signal_handler->userdata = 
				g_strdup (new_signal_handler->userdata);
			
			tmp_signal_handler->after  = new_signal_handler->after;
			break;
		}
	}
}
Tristan Van Berkom's avatar
Tristan Van Berkom committed
293
294


295
static gboolean
296
297
glade_widget_button_press_event_impl (GladeWidget    *gwidget,
				      GdkEvent       *base_event)
298
{
299
	GtkWidget         *widget;
300
	GdkEventButton    *event = (GdkEventButton *)base_event;
301
	gboolean           handled = FALSE;
302

303
	/* make sure to grab focus, since we may stop default handlers */
304
	widget = GTK_WIDGET (glade_widget_get_object (gwidget));
305
306
	if (GTK_WIDGET_CAN_FOCUS (widget) && !GTK_WIDGET_HAS_FOCUS (widget))
		gtk_widget_grab_focus (widget);
307

308
309
	/* if it's already selected don't stop default handlers, e.g. toggle button */
	if (event->button == 1)
310
	{
311
312
		if (event->state & GDK_CONTROL_MASK)
		{
313
314
			if (glade_project_is_selected (gwidget->project,
						       gwidget->object))
315
				glade_app_selection_remove 
316
					(gwidget->object, TRUE);
317
318
			else
				glade_app_selection_add
319
					(gwidget->object, TRUE);
320
321
			handled = TRUE;
		}
322
323
		else if (glade_project_is_selected (gwidget->project,
						    gwidget->object) == FALSE)
324
325
326
		{
			glade_util_clear_selection ();
			glade_app_selection_set 
327
				(gwidget->object, TRUE);
328
329
330
331
332
333

			/* Add selection without interrupting event flow 
			 * when shift is down, this allows better behaviour
			 * for GladeFixed children 
			 */
			handled = !(event->state & GDK_SHIFT_MASK);
334
335
		}
	}
336
337
338
339
340
341
342
343
344
345
346

	/* Give some kind of access in case of missing right button */
	if (!handled &&
	    (event->button == 3 || 
	     (event->button == 1 && 
	      ((event->state & GDK_MOD1_MASK) != 0 ||
	       (event->state & GDK_MOD2_MASK) != 0 ||
	       (event->state & GDK_MOD2_MASK) != 0))))
       	{
			glade_popup_widget_pop (gwidget, event, TRUE);
			handled = TRUE;
347
348
	}

349
350
	return handled;
}
351

352
static gboolean
353
354
glade_widget_event_impl (GladeWidget *gwidget,
			 GdkEvent    *event)
355
{
356
357
	gboolean handled = FALSE;

358
	g_return_val_if_fail (GLADE_IS_WIDGET (gwidget), FALSE);
359
360
361
362

	switch (event->type) 
	{
	case GDK_BUTTON_PRESS:
363
364
365
366
367
368
369
370
371
372
373
374
375
376
		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;
377
378
379
380
	default:
		break;
	}

381
	return handled;
382
383
}

384
385
386
387
388
389
390
391

/**
 * glade_widget_event:
 * @event: A #GdkEvent
 *
 * Feed an event to be handled on the project GladeWidget
 * hierarchy.
 *
392
 * Returns: whether the event was handled or not.
393
394
395
396
 */
gboolean
glade_widget_event (GladeWidget *gwidget,
		    GdkEvent    *event)
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
397
{
398
	gboolean   handled = FALSE;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
399

400
	/* Lets just avoid some synthetic events (like focus-change) */
401
	if (((GdkEventAny *)event)->window == NULL) return FALSE;
402

403
	handled = GLADE_WIDGET_GET_CLASS (gwidget)->event (gwidget, event);
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
404

405
#if 0
406
407
408
	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
409
#endif
410

411
	return handled;
Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
412
413
}

414
415
416
/*******************************************************************************
                      GObjectClass & Object Construction
 *******************************************************************************/
417
418
419

/*
 * This function creates new GObject parameters based on the GType of the 
420
 * GladeWidgetAdaptor and its default values.
421
422
423
424
425
426
427
428
429
 *
 * 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)
{
430
	GladeWidgetAdaptor    *klass;
431
432
433
434
435
436
437
438
439
440
	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);

441
	klass = widget->adaptor;
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
	
	/* 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;

457
		pclass = glade_property->klass;
458
459
460
		
		/* Ignore properties based on some criteria
		 */
461
462
		if (!glade_property_get_enabled (glade_property) ||
		    pclass == NULL  || /* Unaccounted for in the builder */
463
		    pclass->virt    || /* should not be set before 
464
465
					  GladeWidget wrapper exists */
		    pclass->ignore)    /* Catalog explicitly ignores the object */
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
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
			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 *
514
515
glade_widget_build_object (GladeWidget *widget,
			   GladeWidget *template,
516
			   GladeCreateReason reason)
517
518
519
{
	GParameter          *params;
	GObject             *object;
520
	guint                n_params, i;
521
522
	
	if (reason == GLADE_CREATE_LOAD)
523
524
525
526
527
	{
		object = glade_widget_adaptor_construct_object (widget->adaptor, 0, NULL);
		glade_widget_set_object (widget, object);
		return object;
	}
528

529
	if (template)
530
		params = glade_widget_template_params (widget, TRUE, &n_params);
531
	else
532
		params = glade_widget_adaptor_default_params (widget->adaptor, TRUE, &n_params);
533
534
535

	/* Create the new object with the correct parameters.
	 */
536
	object = glade_widget_adaptor_construct_object (widget->adaptor, n_params, params);
537
538
539

	free_params (params, n_params);

540
541
542
	glade_widget_set_object (widget, object);

	if (template)
543
		params = glade_widget_template_params (widget, FALSE, &n_params);
544
	else
545
		params = glade_widget_adaptor_default_params (widget->adaptor, FALSE, &n_params);
546
547

	for (i = 0; i < n_params; i++)
548
		glade_widget_adaptor_set_property (widget->adaptor, object, params[i].name, &(params[i].value));
549
550
551

	free_params (params, n_params);

552
553
554
	return object;
}

555
556
/**
 * glade_widget_dup_properties:
557
 * @dest_widget: the widget we are copying properties for
558
559
 * @template_props: the #GladeProperty list to copy
 * @as_load: whether to behave as if loading the project
560
561
 * @copy_parentless: whether to copy reffed widgets at all
 * @exact: whether to copy reffed widgets exactly
562
563
564
565
566
567
 *
 * 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.
 */
568
GList *
569
glade_widget_dup_properties (GladeWidget *dest_widget, GList *template_props, gboolean as_load, 
570
			     gboolean copy_parentless, gboolean exact)
571
572
573
574
575
576
{
	GList *list, *properties = NULL;

	for (list = template_props; list && list->data; list = list->next)
	{
		GladeProperty *prop = list->data;
577
		
578
		if (prop->klass->save == FALSE && as_load)
579
580
			continue;

581
582
583
584
585
586
587

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

			glade_property_get (prop, &object);
588
589
590

			prop = glade_property_dup (prop, NULL);

591
592
593
594
595
596
			if (object)
			{
				parentless = glade_widget_get_from_gobject (object);

				parentless = glade_widget_dup (parentless, exact);

597
598
				glade_widget_set_project (parentless, dest_widget->project);

599
600
601
602
603
604
605
606
				glade_property_set (prop, parentless->object);
			}
		} 
		else 
			prop = glade_property_dup (prop, NULL);


		properties = g_list_prepend (properties, prop);
607
608
609
610
	}
	return g_list_reverse (properties);
}

611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
/**
 * 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);

632
633
634
635
	/* XXX FIXME: currently we arent calling this on packing properties,
	 * but doing so could cause crashes because the hash table is not
	 * managed properly
	 */
636
637
638
	if ((prop = glade_widget_get_property (widget, id_property)) != NULL)
	{
		widget->properties = g_list_remove (widget->properties, prop);
639
		g_hash_table_remove (widget->props_hash, prop->klass->id);
640
641
642
643
644
645
646
		g_object_unref (prop);
	}
	else
		g_critical ("Couldnt find property %s on widget %s\n",
			    id_property, widget->name);
}

647
648
649
650
651
652
653
654
655
656
657
658
659
660
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);
	}
}
661

662
663
664
665
666
667
668
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);
669

670
		if (prop->klass->virt || prop->klass->needs_sync)
671
672
			glade_property_sync (prop);

673
674
675
676
677
678
679
680
681
682
683
684
685
	}
}

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);
	}
}

686

687
688
689
690
691
692
693
694
695
static GObject *
glade_widget_constructor (GType                  type,
			  guint                  n_construct_properties,
			  GObjectConstructParam *construct_properties)
{
	GladeWidget      *gwidget;
	GObject          *ret_obj, *object;
	GList            *properties = NULL, *list;

696
	ret_obj = G_OBJECT_CLASS (glade_widget_parent_class)->constructor
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
		(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, 
713
								       gwidget,
714
715
716
717
718
719
720
721
722
								       name_base);
				g_free (name_base);
			}
			else
				gwidget->name = name_base;

		}
		else if (gwidget->project)
			gwidget->name = glade_project_new_widget_name
723
				(gwidget->project, gwidget,
724
				 gwidget->adaptor->generic_name);
725
726
		else
			gwidget->name = 
727
				g_strdup (gwidget->adaptor->generic_name);
728
729
730
731
732
	}

	if (gwidget->construct_template)
	{
		properties = glade_widget_dup_properties
733
			(gwidget, gwidget->construct_template->properties, FALSE, TRUE, gwidget->construct_exact);
734
735
736
737
738
739
		
		glade_widget_set_properties (gwidget, properties);
	}

	if (gwidget->object == NULL)
	{
740
		object = glade_widget_build_object(gwidget, 
741
						   gwidget->construct_template, 
742
						   gwidget->construct_reason);
743
744
	}

745
746
747
748
749
750
751
752
753
754
755
756
	/* 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);
		}
	}

757
758
759
760
	/* Setup width/height */
	gwidget->width  = GWA_DEFAULT_WIDTH (gwidget->adaptor);
	gwidget->height = GWA_DEFAULT_HEIGHT (gwidget->adaptor);

761
762
763
764
	/* 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).
	 */
765
	if (gwidget->construct_reason == GLADE_CREATE_USER)
766
767
		for (list = gwidget->properties; list; list = list->next)
			glade_property_load (GLADE_PROPERTY (list->data));
768
	
769
770
771
772
	/* 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);
	
773
774
775
	/* Only call this once the GladeWidget is completely built
	 * (but before calling custom handlers...)
	 */
776
777
778
	glade_widget_adaptor_post_create (gwidget->adaptor, 
					  gwidget->object,
					  gwidget->construct_reason);
779

780
	/* Virtual properties need to be explicitly synchronized.
781
782
783
784
785
786
	 */
	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);
787
	
Tristan Van Berkom's avatar
Tristan Van Berkom committed
788
789
790
791
792
793
794
795
	if (GTK_IS_WIDGET (gwidget->object) && !GTK_WIDGET_TOPLEVEL (gwidget->object))
	{
		gwidget->visible = TRUE;
		gtk_widget_show_all (GTK_WIDGET (gwidget->object));
	}
	else if (GTK_IS_WIDGET (gwidget->object) == FALSE)
		gwidget->visible = TRUE;
	
796
797
798
	return ret_obj;
}

799
800
static void
glade_widget_finalize (GObject *object)
801
{
802
	GladeWidget *widget = GLADE_WIDGET (object);
803

804
	g_return_if_fail (GLADE_IS_WIDGET (object));
805

806
807
	g_free (widget->name);
	g_free (widget->internal);
808
	g_free (widget->support_warning);
809
	g_hash_table_destroy (widget->signals);
810

811
812
813
814
815
	if (widget->props_hash)
		g_hash_table_destroy (widget->props_hash);
	if (widget->pack_props_hash)
		g_hash_table_destroy (widget->pack_props_hash);

816
	G_OBJECT_CLASS(glade_widget_parent_class)->finalize(object);
817
818
}

819
820
static void
glade_widget_dispose (GObject *object)
821
{
822
	GladeWidget *widget = GLADE_WIDGET (object);
823

824
	g_return_if_fail (GLADE_IS_WIDGET (object));
Tristan Van Berkom's avatar
Updated    
Tristan Van Berkom committed
825

826
827
828
829
830
	/* At this point, any callbacks on "object" generated by destroy 
	 * wont come with a GladeWidget 
	 */
	g_object_set_qdata (G_OBJECT (object), glade_widget_name_quark, NULL);

831
832
833
834
835
836
837
838
	/* We do not keep a reference to internal widgets */
	if (widget->internal == NULL)
	{
		if (GTK_IS_OBJECT (widget->object))
			gtk_object_destroy (GTK_OBJECT (widget->object));
		else 
			g_object_unref (widget->object);
	}
839

840
841
842
843
	if (widget->properties)
	{
		g_list_foreach (widget->properties, (GFunc)g_object_unref, NULL);
		g_list_free (widget->properties);
844
	}
845
846
847
848
849
850
	
	if (widget->packing_properties)
	{
		g_list_foreach (widget->packing_properties, (GFunc)g_object_unref, NULL);
		g_list_free (widget->packing_properties);
	}
851
852
853
854
855
856
	
	if (widget->actions)
	{
		g_list_foreach (widget->actions, (GFunc)g_object_unref, NULL);
		g_list_free (widget->actions);
	}
857
858
859
860
861
862
863
	
	if (widget->packing_actions)
	{
		g_list_foreach (widget->packing_actions, (GFunc)g_object_unref, NULL);
		g_list_free (widget->packing_actions);
	}
	
864
	G_OBJECT_CLASS (glade_widget_parent_class)->dispose (object);
865
866
}

867
static void
868
869
870
871
glade_widget_set_real_property (GObject         *object,
				guint            prop_id,
				const GValue    *value,
				GParamSpec      *pspec)
872
{
873
	GladeWidget *widget;
874

875
	widget = GLADE_WIDGET (object);
876

877
	switch (prop_id)
878
	{
879
880
881
882
883
884
885
886
887
888
	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:
889
890
		if (g_value_get_object (value))
			glade_widget_set_object (widget, g_value_get_object (value));
891
892
893
894
		break;
	case PROP_PROJECT:
		glade_widget_set_project (widget, GLADE_PROJECT (g_value_get_object (value)));
		break;
895
896
897
	case PROP_ADAPTOR:
		glade_widget_set_adaptor (widget, GLADE_WIDGET_ADAPTOR
					  (g_value_get_object (value)));
898
899
900
901
902
903
904
		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;
905
906
907
908
909
910
911
	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;
912
913
914
	case PROP_TEMPLATE_EXACT:
		widget->construct_exact = g_value_get_boolean (value);
		break;
915
916
917
	case PROP_REASON:
		widget->construct_reason = g_value_get_int (value);
		break;
918
919
920
921
922
923
	case PROP_TOPLEVEL_WIDTH:
		widget->width = g_value_get_int (value);
		break;
	case PROP_TOPLEVEL_HEIGHT:
		widget->height = g_value_get_int (value);
		break;
924
925
926
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
927
928
929
930
	}
}

static void
931
932
933
934
glade_widget_get_real_property (GObject         *object,
				guint            prop_id,
				GValue          *value,
				GParamSpec      *pspec)
935
{
936
937
938
939
940
	GladeWidget *widget;

	widget = GLADE_WIDGET (object);

	switch (prop_id)
941
	{
942
943
944
945
946
947
948
949
950
	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;
951
952
	case PROP_ADAPTOR:
		g_value_set_object (value, widget->adaptor);
953
954
955
956
957
958
959
960
961
962
963
964
965
		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;
966
967
968
969
970
971
	case PROP_TOPLEVEL_WIDTH:
		g_value_set_int (value, widget->width);
		break;
	case PROP_TOPLEVEL_HEIGHT:
		g_value_set_int (value, widget->height);
		break;
972
973
974
	case PROP_SUPPORT_WARNING:
		g_value_set_string (value, widget->support_warning);
		break;
975
976
977
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
		break;
978
979
980
981
	}
}

static void
982
free_signals (gpointer value)
983
{
984
985
986
	GPtrArray *signals = (GPtrArray*) value;
	guint i;
	guint nb_signals;
987

988
989
	if (signals == NULL)
		return;
990

991
992
993
994
995
	/* 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));
996

997
	g_ptr_array_free (signals, TRUE);
998
999
}

1000
static void
1001
glade_widget_init (GladeWidget *widget)
1002
{
1003
	widget->adaptor = NULL;
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
	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);
1015
1016
1017
1018
	
	/* Initial invalid values */
	widget->width  = -1;
	widget->height = -1;
1019
1020
}

1021
static void
1022
glade_widget_class_init (GladeWidgetClass *klass)
1023
{
1024
	GObjectClass *object_class;
1025

Tristan Van Berkom's avatar
updated    
Tristan Van Berkom committed
1026
1027
1028
1029
	if (glade_widget_name_quark == 0)
		glade_widget_name_quark = 
			g_quark_from_static_string ("GladeWidgetDataTag");

1030
	object_class = G_OBJECT_CLASS (klass);
1031

1032
	object_class->constructor     = glade_widget_constructor;
1033
1034
1035
1036
	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;
1037

1038
1039
	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
1040
	klass->replace_child          = glade_widget_replace_child_impl;
1041
	klass->event                  = glade_widget_event_impl;
1042

1043
1044
1045
	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;
1046

1047
1048
1049
	klass->button_press_event     = glade_widget_button_press_event_impl;
	klass->button_release_event   = NULL;
	klass->motion_notify_event    = NULL;
1050

1051
1052
1053
1054
1055
1056
1057
	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));
1058

1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
	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));
1073

1074
1075
1076
1077
1078
1079
1080
	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));
1081

1082
	g_object_class_install_property
1083
1084
1085
1086
1087
1088
		(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));
1089

1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
	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));
1105

1106
1107
1108
	g_object_class_install_property
		(object_class, 	PROP_PARENT,
		 g_param_spec_object ("parent", _("Parent"),
1109
1110
1111
1112
				      _("A pointer to the parenting GladeWidget"),
				      GLADE_TYPE_WIDGET,
				      G_PARAM_READWRITE |
				      G_PARAM_CONSTRUCT));
1113

1114
1115
1116
1117
1118
	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));
1119

1120
1121
1122
1123
1124
1125
1126
	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));

1127
1128
1129
1130
1131
1132
	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));

1133
1134
1135
1136
1137
1138
1139
1140
	g_object_class_install_property
		(object_class, 	PROP_REASON,
		 g_param_spec_int ("reason", _("Reason"),
				   _("A GladeCreateReason for this creation"),
				   GLADE_CREATE_USER,
				   GLADE_CREATE_REASONS - 1,
				   GLADE_CREATE_USER,
				   G_PARAM_CONSTRUCT_ONLY|G_PARAM_WRITABLE));
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161

	g_object_class_install_property
		(object_class, 	PROP_TOPLEVEL_WIDTH,
		 g_param_spec_int ("toplevel-width", _("Toplevel Width"),
				   _("The width of the widget when toplevel in "
				     "the GladeDesignLayout"),
				   -1,
				   G_MAXINT,
				   -1,
				   G_PARAM_READWRITE));

	g_object_class_install_property
		(object_class, 	PROP_TOPLEVEL_HEIGHT,
		 g_param_spec_int ("toplevel-height", _("Toplevel Height"),
				   _("The height of the widget when toplevel in "
				     "the GladeDesignLayout"),
				   -1,
				   G_MAXINT,
				   -1,
				   G_PARAM_READWRITE));

1162
1163
1164
1165
1166
1167
	g_object_class_install_property
		(object_class, 	PROP_SUPPORT_WARNING,
		 g_param_spec_string ("support warning", _("Support Warning"),
				      _("A warning string about version mismatches"),
				      NULL, G_PARAM_READABLE));

1168
1169
1170
1171
1172
1173
	/**
	 * GladeWidget::add-signal-handler:
	 * @gladewidget: the #GladeWidget which received the signal.
	 * @arg1: the #GladeSignal that was added to @gladewidget.
	 */
	glade_widget_signals[ADD_SIGNAL_HANDLER] =
1174
		g_signal_new ("add-signal-handler",
1175
1176
			      G_TYPE_FROM_CLASS (object_class),
			      G_SIGNAL_RUN_LAST,
1177
			      G_STRUCT_OFFSET (GladeWidgetClass, add_signal_handler),
1178
1179
1180
1181
			      NULL, NULL,
			      g_cclosure_marshal_VOID__POINTER,
			      G_TYPE_NONE,
			      1,
1182
			      G_TYPE_POINTER);
1183

1184
1185
1186
1187
1188
1189
	/**
	 * GladeWidget::remove-signal-handler:
	 * @gladewidget: the #GladeWidget which received the signal.
	 * @arg1: the #GladeSignal that was removed from @gladewidget.
	 */
	glade_widget_signals[REMOVE_SIGNAL_HANDLER] =
1190
		g_signal_new ("remove-signal-handler",
1191
1192
			      G_TYPE_FROM_CLASS (object_class),
			      G_SIGNAL_RUN_LAST,
1193
			      G_STRUCT_OFFSET (GladeWidgetClass, remove_signal_handler),