1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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.
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.
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.
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/.
27 #include "gtkcheckbutton.h"
32 #define INDICATOR_SIZE 13
33 #define INDICATOR_SPACING 2
36 static void gtk_check_button_class_init (GtkCheckButtonClass *klass);
37 static void gtk_check_button_init (GtkCheckButton *check_button);
38 static void gtk_check_button_size_request (GtkWidget *widget,
39 GtkRequisition *requisition);
40 static void gtk_check_button_size_allocate (GtkWidget *widget,
41 GtkAllocation *allocation);
42 static gint gtk_check_button_expose (GtkWidget *widget,
43 GdkEventExpose *event);
44 static void gtk_check_button_paint (GtkWidget *widget,
46 static void gtk_check_button_draw_indicator (GtkCheckButton *check_button,
48 static void gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
51 static GtkToggleButtonClass *parent_class = NULL;
55 gtk_check_button_get_type (void)
57 static GType check_button_type = 0;
59 if (!check_button_type)
61 static const GTypeInfo check_button_info =
63 sizeof (GtkCheckButtonClass),
65 NULL, /* base_finalize */
66 (GClassInitFunc) gtk_check_button_class_init,
67 NULL, /* class_finalize */
68 NULL, /* class_data */
69 sizeof (GtkCheckButton),
71 (GInstanceInitFunc) gtk_check_button_init,
75 g_type_register_static (GTK_TYPE_TOGGLE_BUTTON, "GtkCheckButton",
76 &check_button_info, 0);
79 return check_button_type;
83 gtk_check_button_class_init (GtkCheckButtonClass *class)
85 GtkWidgetClass *widget_class;
87 widget_class = (GtkWidgetClass*) class;
88 parent_class = g_type_class_peek_parent (class);
90 widget_class->size_request = gtk_check_button_size_request;
91 widget_class->size_allocate = gtk_check_button_size_allocate;
92 widget_class->expose_event = gtk_check_button_expose;
94 class->draw_indicator = gtk_real_check_button_draw_indicator;
96 gtk_widget_class_install_style_property (widget_class,
97 g_param_spec_int ("indicator_size",
99 _("Size of check or radio indicator"),
104 gtk_widget_class_install_style_property (widget_class,
105 g_param_spec_int ("indicator_spacing",
106 _("Indicator Spacing"),
107 _("Spacing around check or radio indicator"),
115 gtk_check_button_init (GtkCheckButton *check_button)
117 GTK_WIDGET_SET_FLAGS (check_button, GTK_NO_WINDOW);
118 GTK_WIDGET_UNSET_FLAGS (check_button, GTK_RECEIVES_DEFAULT);
119 GTK_TOGGLE_BUTTON (check_button)->draw_indicator = TRUE;
120 GTK_BUTTON (check_button)->depress_on_activate = FALSE;
124 gtk_check_button_new (void)
126 return g_object_new (GTK_TYPE_CHECK_BUTTON, NULL);
131 gtk_check_button_new_with_label (const gchar *label)
133 return g_object_new (GTK_TYPE_CHECK_BUTTON, "label", label, NULL);
137 * gtk_check_button_new_with_mnemonic:
138 * @label: The text of the button, with an underscore in front of the
140 * @returns: a new #GtkCheckButton
142 * Creates a new #GtkCheckButton containing a label. The label
143 * will be created using gtk_label_new_with_mnemonic(), so underscores
144 * in @label indicate the mnemonic for the check button.
147 gtk_check_button_new_with_mnemonic (const gchar *label)
149 return g_object_new (GTK_TYPE_CHECK_BUTTON, "label", label, "use_underline", TRUE, NULL);
153 /* This should only be called when toggle_button->draw_indicator
157 gtk_check_button_paint (GtkWidget *widget,
160 GtkCheckButton *check_button = GTK_CHECK_BUTTON (widget);
162 if (GTK_WIDGET_DRAWABLE (widget))
169 gtk_widget_style_get (widget,
170 "interior-focus", &interior_focus,
171 "focus-line-width", &focus_width,
172 "focus-padding", &focus_pad,
175 gtk_check_button_draw_indicator (check_button, area);
177 border_width = GTK_CONTAINER (widget)->border_width;
178 if (GTK_WIDGET_HAS_FOCUS (widget))
180 GtkWidget *child = GTK_BIN (widget)->child;
182 if (interior_focus && child && GTK_WIDGET_VISIBLE (child))
183 gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
184 NULL, widget, "checkbutton",
185 child->allocation.x - focus_width - focus_pad,
186 child->allocation.y - focus_width - focus_pad,
187 child->allocation.width + 2 * (focus_width + focus_pad),
188 child->allocation.height + 2 * (focus_width + focus_pad));
190 gtk_paint_focus (widget->style, widget->window, GTK_WIDGET_STATE (widget),
191 NULL, widget, "checkbutton",
192 border_width + widget->allocation.x,
193 border_width + widget->allocation.y,
194 widget->allocation.width - 2 * border_width,
195 widget->allocation.height - 2 * border_width);
201 _gtk_check_button_get_props (GtkCheckButton *check_button,
202 gint *indicator_size,
203 gint *indicator_spacing)
205 GtkWidget *widget = GTK_WIDGET (check_button);
208 gtk_widget_style_get (widget, "indicator_size", indicator_size, NULL);
210 if (indicator_spacing)
211 gtk_widget_style_get (widget, "indicator_spacing", indicator_spacing, NULL);
215 gtk_check_button_size_request (GtkWidget *widget,
216 GtkRequisition *requisition)
218 GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (widget);
220 if (toggle_button->draw_indicator)
225 gint indicator_spacing;
226 gint border_width = GTK_CONTAINER (widget)->border_width;
230 gtk_widget_style_get (GTK_WIDGET (widget),
231 "focus-line-width", &focus_width,
232 "focus-padding", &focus_pad,
235 requisition->width = border_width * 2;
236 requisition->height = border_width * 2;
238 child = GTK_BIN (widget)->child;
239 if (child && GTK_WIDGET_VISIBLE (child))
241 GtkRequisition child_requisition;
243 gtk_widget_size_request (child, &child_requisition);
245 requisition->width += child_requisition.width + indicator_spacing;
246 requisition->height += child_requisition.height;
249 _gtk_check_button_get_props (GTK_CHECK_BUTTON (widget),
250 &indicator_size, &indicator_spacing);
252 requisition->width += (indicator_size + indicator_spacing * 2 + 2 * (focus_width + focus_pad));
254 temp = indicator_size + indicator_spacing * 2;
255 requisition->height = MAX (requisition->height, temp) + 2 * (focus_width + focus_pad);
258 (* GTK_WIDGET_CLASS (parent_class)->size_request) (widget, requisition);
262 gtk_check_button_size_allocate (GtkWidget *widget,
263 GtkAllocation *allocation)
265 GtkCheckButton *check_button;
266 GtkToggleButton *toggle_button;
268 GtkAllocation child_allocation;
270 button = GTK_BUTTON (widget);
271 check_button = GTK_CHECK_BUTTON (widget);
272 toggle_button = GTK_TOGGLE_BUTTON (widget);
274 if (toggle_button->draw_indicator)
277 gint indicator_spacing;
281 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
282 gtk_widget_style_get (widget,
283 "focus-line-width", &focus_width,
284 "focus-padding", &focus_pad,
287 widget->allocation = *allocation;
288 if (GTK_WIDGET_REALIZED (widget))
289 gdk_window_move_resize (button->event_window,
290 allocation->x, allocation->y,
291 allocation->width, allocation->height);
293 if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
295 GtkRequisition child_requisition;
296 gint border_width = GTK_CONTAINER (widget)->border_width;
298 gtk_widget_get_child_requisition (GTK_BIN (button)->child, &child_requisition);
300 child_allocation.width = MIN (child_requisition.width,
302 ((border_width + focus_width + focus_pad) * 2
303 + indicator_size + indicator_spacing * 3));
304 child_allocation.width = MAX (child_allocation.width, 1);
306 child_allocation.height = MIN (child_requisition.height,
307 allocation->height - (border_width + focus_width + focus_pad) * 2);
308 child_allocation.height = MAX (child_allocation.height, 1);
310 child_allocation.x = (border_width + indicator_size + indicator_spacing * 3 +
311 widget->allocation.x + focus_width + focus_pad);
312 child_allocation.y = widget->allocation.y +
313 (allocation->height - child_allocation.height) / 2;
315 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
316 child_allocation.x = allocation->x + allocation->width
317 - (child_allocation.x - allocation->x + child_allocation.width);
319 gtk_widget_size_allocate (GTK_BIN (button)->child, &child_allocation);
323 (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
327 gtk_check_button_expose (GtkWidget *widget,
328 GdkEventExpose *event)
330 GtkCheckButton *check_button;
331 GtkToggleButton *toggle_button;
334 check_button = GTK_CHECK_BUTTON (widget);
335 toggle_button = GTK_TOGGLE_BUTTON (widget);
336 bin = GTK_BIN (widget);
338 if (GTK_WIDGET_DRAWABLE (widget))
340 if (toggle_button->draw_indicator)
342 gtk_check_button_paint (widget, &event->area);
345 gtk_container_propagate_expose (GTK_CONTAINER (widget),
349 else if (GTK_WIDGET_CLASS (parent_class)->expose_event)
350 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
358 gtk_check_button_draw_indicator (GtkCheckButton *check_button,
361 GtkCheckButtonClass *class;
363 g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
365 class = GTK_CHECK_BUTTON_GET_CLASS (check_button);
367 if (class->draw_indicator)
368 (* class->draw_indicator) (check_button, area);
372 gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
378 GtkToggleButton *toggle_button;
379 GtkStateType state_type;
380 GtkShadowType shadow_type;
383 gint indicator_spacing;
386 gboolean interior_focus;
388 if (GTK_WIDGET_DRAWABLE (check_button))
390 widget = GTK_WIDGET (check_button);
391 button = GTK_BUTTON (check_button);
392 toggle_button = GTK_TOGGLE_BUTTON (check_button);
394 gtk_widget_style_get (widget, "interior_focus", &interior_focus,
395 "focus-line-width", &focus_width,
396 "focus-padding", &focus_pad, NULL);
398 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
400 x = widget->allocation.x + indicator_spacing + GTK_CONTAINER (widget)->border_width;
401 y = widget->allocation.y + (widget->allocation.height - indicator_size) / 2;
403 child = GTK_BIN (check_button)->child;
404 if (!interior_focus || !(child && GTK_WIDGET_VISIBLE (child)))
405 x += focus_width + focus_pad;
407 if (toggle_button->inconsistent)
408 shadow_type = GTK_SHADOW_ETCHED_IN;
409 else if (toggle_button->active)
410 shadow_type = GTK_SHADOW_IN;
412 shadow_type = GTK_SHADOW_OUT;
414 if (button->activate_timeout || (button->button_down && button->in_button))
415 state_type = GTK_STATE_ACTIVE;
416 else if (button->in_button)
417 state_type = GTK_STATE_PRELIGHT;
419 state_type = GTK_STATE_NORMAL;
421 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
422 x = widget->allocation.x + widget->allocation.width - (indicator_size + x - widget->allocation.x);
424 if (GTK_WIDGET_STATE (toggle_button) == GTK_STATE_PRELIGHT)
426 GdkRectangle restrict_area;
427 GdkRectangle new_area;
429 restrict_area.x = widget->allocation.x + GTK_CONTAINER (widget)->border_width;
430 restrict_area.y = widget->allocation.y + GTK_CONTAINER (widget)->border_width;
431 restrict_area.width = widget->allocation.width - (2 * GTK_CONTAINER (widget)->border_width);
432 restrict_area.height = widget->allocation.height - (2 * GTK_CONTAINER (widget)->border_width);
434 if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
436 gtk_paint_flat_box (widget->style, widget->window, GTK_STATE_PRELIGHT,
437 GTK_SHADOW_ETCHED_OUT,
438 area, widget, "checkbutton",
439 new_area.x, new_area.y,
440 new_area.width, new_area.height);
444 gtk_paint_check (widget->style, widget->window,
445 state_type, shadow_type,
446 area, widget, "checkbutton",
447 x, y, indicator_size, indicator_size);