1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 /*
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
25 */
26
27 #include "config.h"
28 #include "gtkcheckbutton.h"
29 #include "gtklabel.h"
30 #include "gtkprivate.h"
31 #include "gtkintl.h"
32 #include "gtkalias.h"
33
34
35 #define INDICATOR_SIZE 13
36 #define INDICATOR_SPACING 2
37
38
39 static void gtk_check_button_size_request (GtkWidget *widget,
40 GtkRequisition *requisition);
41 static void gtk_check_button_size_allocate (GtkWidget *widget,
42 GtkAllocation *allocation);
43 static gint gtk_check_button_expose (GtkWidget *widget,
44 GdkEventExpose *event);
45 static void gtk_check_button_paint (GtkWidget *widget,
46 GdkRectangle *area);
47 static void gtk_check_button_draw_indicator (GtkCheckButton *check_button,
48 GdkRectangle *area);
49 static void gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
50 GdkRectangle *area);
51
G_DEFINE_TYPE(GtkCheckButton,gtk_check_button,GTK_TYPE_TOGGLE_BUTTON)52 G_DEFINE_TYPE (GtkCheckButton, gtk_check_button, GTK_TYPE_TOGGLE_BUTTON)
53
54 static void
55 gtk_check_button_class_init (GtkCheckButtonClass *class)
56 {
57 GtkWidgetClass *widget_class;
58
59 widget_class = (GtkWidgetClass*) class;
60
61 widget_class->size_request = gtk_check_button_size_request;
62 widget_class->size_allocate = gtk_check_button_size_allocate;
63 widget_class->expose_event = gtk_check_button_expose;
64
65 class->draw_indicator = gtk_real_check_button_draw_indicator;
66
67 gtk_widget_class_install_style_property (widget_class,
68 g_param_spec_int ("indicator-size",
69 P_("Indicator Size"),
70 P_("Size of check or radio indicator"),
71 0,
72 G_MAXINT,
73 INDICATOR_SIZE,
74 GTK_PARAM_READABLE));
75 gtk_widget_class_install_style_property (widget_class,
76 g_param_spec_int ("indicator-spacing",
77 P_("Indicator Spacing"),
78 P_("Spacing around check or radio indicator"),
79 0,
80 G_MAXINT,
81 INDICATOR_SPACING,
82 GTK_PARAM_READABLE));
83 }
84
85 static void
gtk_check_button_init(GtkCheckButton * check_button)86 gtk_check_button_init (GtkCheckButton *check_button)
87 {
88 gtk_widget_set_has_window (GTK_WIDGET (check_button), FALSE);
89 gtk_widget_set_receives_default (GTK_WIDGET (check_button), FALSE);
90 GTK_TOGGLE_BUTTON (check_button)->draw_indicator = TRUE;
91 GTK_BUTTON (check_button)->depress_on_activate = FALSE;
92 }
93
94 GtkWidget*
gtk_check_button_new(void)95 gtk_check_button_new (void)
96 {
97 return g_object_new (GTK_TYPE_CHECK_BUTTON, NULL);
98 }
99
100
101 GtkWidget*
gtk_check_button_new_with_label(const gchar * label)102 gtk_check_button_new_with_label (const gchar *label)
103 {
104 return g_object_new (GTK_TYPE_CHECK_BUTTON, "label", label, NULL);
105 }
106
107 /**
108 * gtk_check_button_new_with_mnemonic:
109 * @label: The text of the button, with an underscore in front of the
110 * mnemonic character
111 * @returns: a new #GtkCheckButton
112 *
113 * Creates a new #GtkCheckButton containing a label. The label
114 * will be created using gtk_label_new_with_mnemonic(), so underscores
115 * in @label indicate the mnemonic for the check button.
116 **/
117 GtkWidget*
gtk_check_button_new_with_mnemonic(const gchar * label)118 gtk_check_button_new_with_mnemonic (const gchar *label)
119 {
120 return g_object_new (GTK_TYPE_CHECK_BUTTON,
121 "label", label,
122 "use-underline", TRUE,
123 NULL);
124 }
125
126
127 /* This should only be called when toggle_button->draw_indicator
128 * is true.
129 */
130 static void
gtk_check_button_paint(GtkWidget * widget,GdkRectangle * area)131 gtk_check_button_paint (GtkWidget *widget,
132 GdkRectangle *area)
133 {
134 GtkCheckButton *check_button = GTK_CHECK_BUTTON (widget);
135
136 if (gtk_widget_is_drawable (widget))
137 {
138 gint border_width;
139 gint interior_focus;
140 gint focus_width;
141 gint focus_pad;
142
143 gtk_widget_style_get (widget,
144 "interior-focus", &interior_focus,
145 "focus-line-width", &focus_width,
146 "focus-padding", &focus_pad,
147 NULL);
148
149 gtk_check_button_draw_indicator (check_button, area);
150
151 border_width = GTK_CONTAINER (widget)->border_width;
152 if (gtk_widget_has_focus (widget))
153 {
154 GtkWidget *child = GTK_BIN (widget)->child;
155
156 if (interior_focus && child && gtk_widget_get_visible (child))
157 gtk_paint_focus (widget->style, widget->window, gtk_widget_get_state (widget),
158 area, widget, "checkbutton",
159 child->allocation.x - focus_width - focus_pad,
160 child->allocation.y - focus_width - focus_pad,
161 child->allocation.width + 2 * (focus_width + focus_pad),
162 child->allocation.height + 2 * (focus_width + focus_pad));
163 else
164 gtk_paint_focus (widget->style, widget->window, gtk_widget_get_state (widget),
165 area, widget, "checkbutton",
166 border_width + widget->allocation.x,
167 border_width + widget->allocation.y,
168 widget->allocation.width - 2 * border_width,
169 widget->allocation.height - 2 * border_width);
170 }
171 }
172 }
173
174 void
_gtk_check_button_get_props(GtkCheckButton * check_button,gint * indicator_size,gint * indicator_spacing)175 _gtk_check_button_get_props (GtkCheckButton *check_button,
176 gint *indicator_size,
177 gint *indicator_spacing)
178 {
179 GtkWidget *widget = GTK_WIDGET (check_button);
180
181 if (indicator_size)
182 gtk_widget_style_get (widget, "indicator-size", indicator_size, NULL);
183
184 if (indicator_spacing)
185 gtk_widget_style_get (widget, "indicator-spacing", indicator_spacing, NULL);
186 }
187
188 static void
gtk_check_button_size_request(GtkWidget * widget,GtkRequisition * requisition)189 gtk_check_button_size_request (GtkWidget *widget,
190 GtkRequisition *requisition)
191 {
192 GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (widget);
193
194 if (toggle_button->draw_indicator)
195 {
196 GtkWidget *child;
197 gint temp;
198 gint indicator_size;
199 gint indicator_spacing;
200 gint border_width = GTK_CONTAINER (widget)->border_width;
201 gint focus_width;
202 gint focus_pad;
203
204 gtk_widget_style_get (GTK_WIDGET (widget),
205 "focus-line-width", &focus_width,
206 "focus-padding", &focus_pad,
207 NULL);
208
209 requisition->width = border_width * 2;
210 requisition->height = border_width * 2;
211
212 _gtk_check_button_get_props (GTK_CHECK_BUTTON (widget),
213 &indicator_size, &indicator_spacing);
214
215 child = GTK_BIN (widget)->child;
216 if (child && gtk_widget_get_visible (child))
217 {
218 GtkRequisition child_requisition;
219
220 gtk_widget_size_request (child, &child_requisition);
221
222 requisition->width += child_requisition.width + indicator_spacing;
223 requisition->height += child_requisition.height;
224 }
225
226 requisition->width += (indicator_size + indicator_spacing * 2 + 2 * (focus_width + focus_pad));
227
228 temp = indicator_size + indicator_spacing * 2;
229 requisition->height = MAX (requisition->height, temp) + 2 * (focus_width + focus_pad);
230 }
231 else
232 GTK_WIDGET_CLASS (gtk_check_button_parent_class)->size_request (widget, requisition);
233 }
234
235 static void
gtk_check_button_size_allocate(GtkWidget * widget,GtkAllocation * allocation)236 gtk_check_button_size_allocate (GtkWidget *widget,
237 GtkAllocation *allocation)
238 {
239 GtkCheckButton *check_button;
240 GtkToggleButton *toggle_button;
241 GtkButton *button;
242 GtkAllocation child_allocation;
243
244 button = GTK_BUTTON (widget);
245 check_button = GTK_CHECK_BUTTON (widget);
246 toggle_button = GTK_TOGGLE_BUTTON (widget);
247
248 if (toggle_button->draw_indicator)
249 {
250 gint indicator_size;
251 gint indicator_spacing;
252 gint focus_width;
253 gint focus_pad;
254
255 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
256 gtk_widget_style_get (widget,
257 "focus-line-width", &focus_width,
258 "focus-padding", &focus_pad,
259 NULL);
260
261 widget->allocation = *allocation;
262 if (gtk_widget_get_realized (widget))
263 gdk_window_move_resize (button->event_window,
264 allocation->x, allocation->y,
265 allocation->width, allocation->height);
266
267 if (GTK_BIN (button)->child && gtk_widget_get_visible (GTK_BIN (button)->child))
268 {
269 GtkRequisition child_requisition;
270 gint border_width = GTK_CONTAINER (widget)->border_width;
271
272 gtk_widget_get_child_requisition (GTK_BIN (button)->child, &child_requisition);
273
274 child_allocation.width = MIN (child_requisition.width,
275 allocation->width -
276 ((border_width + focus_width + focus_pad) * 2
277 + indicator_size + indicator_spacing * 3));
278 child_allocation.width = MAX (child_allocation.width, 1);
279
280 child_allocation.height = MIN (child_requisition.height,
281 allocation->height - (border_width + focus_width + focus_pad) * 2);
282 child_allocation.height = MAX (child_allocation.height, 1);
283
284 child_allocation.x = (border_width + indicator_size + indicator_spacing * 3 +
285 widget->allocation.x + focus_width + focus_pad);
286 child_allocation.y = widget->allocation.y +
287 (allocation->height - child_allocation.height) / 2;
288
289 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
290 child_allocation.x = allocation->x + allocation->width
291 - (child_allocation.x - allocation->x + child_allocation.width);
292
293 gtk_widget_size_allocate (GTK_BIN (button)->child, &child_allocation);
294 }
295 }
296 else
297 GTK_WIDGET_CLASS (gtk_check_button_parent_class)->size_allocate (widget, allocation);
298 }
299
300 static gint
gtk_check_button_expose(GtkWidget * widget,GdkEventExpose * event)301 gtk_check_button_expose (GtkWidget *widget,
302 GdkEventExpose *event)
303 {
304 GtkToggleButton *toggle_button;
305 GtkBin *bin;
306
307 toggle_button = GTK_TOGGLE_BUTTON (widget);
308 bin = GTK_BIN (widget);
309
310 if (gtk_widget_is_drawable (widget))
311 {
312 if (toggle_button->draw_indicator)
313 {
314 gtk_check_button_paint (widget, &event->area);
315
316 if (bin->child)
317 gtk_container_propagate_expose (GTK_CONTAINER (widget),
318 bin->child,
319 event);
320 }
321 else if (GTK_WIDGET_CLASS (gtk_check_button_parent_class)->expose_event)
322 GTK_WIDGET_CLASS (gtk_check_button_parent_class)->expose_event (widget, event);
323 }
324
325 return FALSE;
326 }
327
328
329 static void
gtk_check_button_draw_indicator(GtkCheckButton * check_button,GdkRectangle * area)330 gtk_check_button_draw_indicator (GtkCheckButton *check_button,
331 GdkRectangle *area)
332 {
333 GtkCheckButtonClass *class;
334
335 g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
336
337 class = GTK_CHECK_BUTTON_GET_CLASS (check_button);
338
339 if (class->draw_indicator)
340 class->draw_indicator (check_button, area);
341 }
342
343 static void
gtk_real_check_button_draw_indicator(GtkCheckButton * check_button,GdkRectangle * area)344 gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
345 GdkRectangle *area)
346 {
347 GtkWidget *widget;
348 GtkWidget *child;
349 GtkButton *button;
350 GtkToggleButton *toggle_button;
351 GtkStateType state_type;
352 GtkShadowType shadow_type;
353 gint x, y;
354 gint indicator_size;
355 gint indicator_spacing;
356 gint focus_width;
357 gint focus_pad;
358 gboolean interior_focus;
359
360 widget = GTK_WIDGET (check_button);
361
362 if (gtk_widget_is_drawable (widget))
363 {
364 button = GTK_BUTTON (check_button);
365 toggle_button = GTK_TOGGLE_BUTTON (check_button);
366
367 gtk_widget_style_get (widget,
368 "interior-focus", &interior_focus,
369 "focus-line-width", &focus_width,
370 "focus-padding", &focus_pad,
371 NULL);
372
373 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
374
375 x = widget->allocation.x + indicator_spacing + GTK_CONTAINER (widget)->border_width;
376 y = widget->allocation.y + (widget->allocation.height - indicator_size) / 2;
377
378 child = GTK_BIN (check_button)->child;
379 if (!interior_focus || !(child && gtk_widget_get_visible (child)))
380 x += focus_width + focus_pad;
381
382 if (toggle_button->inconsistent)
383 shadow_type = GTK_SHADOW_ETCHED_IN;
384 else if (toggle_button->active)
385 shadow_type = GTK_SHADOW_IN;
386 else
387 shadow_type = GTK_SHADOW_OUT;
388
389 if (button->activate_timeout || (button->button_down && button->in_button))
390 state_type = GTK_STATE_ACTIVE;
391 else if (button->in_button)
392 state_type = GTK_STATE_PRELIGHT;
393 else if (!gtk_widget_is_sensitive (widget))
394 state_type = GTK_STATE_INSENSITIVE;
395 else
396 state_type = GTK_STATE_NORMAL;
397
398 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
399 x = widget->allocation.x + widget->allocation.width - (indicator_size + x - widget->allocation.x);
400
401 if (gtk_widget_get_state (widget) == GTK_STATE_PRELIGHT)
402 {
403 GdkRectangle restrict_area;
404 GdkRectangle new_area;
405
406 restrict_area.x = widget->allocation.x + GTK_CONTAINER (widget)->border_width;
407 restrict_area.y = widget->allocation.y + GTK_CONTAINER (widget)->border_width;
408 restrict_area.width = widget->allocation.width - (2 * GTK_CONTAINER (widget)->border_width);
409 restrict_area.height = widget->allocation.height - (2 * GTK_CONTAINER (widget)->border_width);
410
411 if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
412 {
413 gtk_paint_flat_box (widget->style, widget->window, GTK_STATE_PRELIGHT,
414 GTK_SHADOW_ETCHED_OUT,
415 area, widget, "checkbutton",
416 new_area.x, new_area.y,
417 new_area.width, new_area.height);
418 }
419 }
420
421 gtk_paint_check (widget->style, widget->window,
422 state_type, shadow_type,
423 area, widget, "checkbutton",
424 x, y, indicator_size, indicator_size);
425 }
426 }
427
428 #define __GTK_CHECK_BUTTON_C__
429 #include "gtkaliasdef.c"
430