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 GtkType check_button_type = 0;
59 if (!check_button_type)
61 static const GtkTypeInfo check_button_info =
64 sizeof (GtkCheckButton),
65 sizeof (GtkCheckButtonClass),
66 (GtkClassInitFunc) gtk_check_button_class_init,
67 (GtkObjectInitFunc) gtk_check_button_init,
68 /* reserved_1 */ NULL,
69 /* reserved_2 */ NULL,
70 (GtkClassInitFunc) NULL,
73 check_button_type = gtk_type_unique (GTK_TYPE_TOGGLE_BUTTON, &check_button_info);
76 return check_button_type;
80 gtk_check_button_class_init (GtkCheckButtonClass *class)
82 GtkWidgetClass *widget_class;
84 widget_class = (GtkWidgetClass*) class;
85 parent_class = gtk_type_class (gtk_toggle_button_get_type ());
87 widget_class->size_request = gtk_check_button_size_request;
88 widget_class->size_allocate = gtk_check_button_size_allocate;
89 widget_class->expose_event = gtk_check_button_expose;
91 class->draw_indicator = gtk_real_check_button_draw_indicator;
93 gtk_widget_class_install_style_property (widget_class,
94 g_param_spec_int ("indicator_size",
96 _("Size of check or radio indicator"),
101 gtk_widget_class_install_style_property (widget_class,
102 g_param_spec_int ("indicator_spacing",
103 _("Indicator Spacing"),
104 _("Spacing around check or radio indicator"),
112 gtk_check_button_init (GtkCheckButton *check_button)
114 GTK_WIDGET_SET_FLAGS (check_button, GTK_NO_WINDOW);
115 GTK_WIDGET_UNSET_FLAGS (check_button, GTK_RECEIVES_DEFAULT);
116 GTK_TOGGLE_BUTTON (check_button)->draw_indicator = TRUE;
120 gtk_check_button_new (void)
122 return gtk_widget_new (GTK_TYPE_CHECK_BUTTON, NULL);
127 gtk_check_button_new_with_label (const gchar *label)
129 return g_object_new (GTK_TYPE_CHECK_BUTTON, "label", label, NULL);
133 * gtk_check_button_new_with_mnemonic:
134 * @label: The text of the button, with an underscore in front of the
136 * @returns: a new #GtkCheckButton
138 * Creates a new #GtkCheckButton containing a label. The label
139 * will be created using gtk_label_new_with_mnemonic(), so underscores
140 * in @label indicate the mnemonic for the check button.
143 gtk_check_button_new_with_mnemonic (const gchar *label)
145 return g_object_new (GTK_TYPE_CHECK_BUTTON, "label", label, "use_underline", TRUE, NULL);
149 /* This should only be called when toggle_button->draw_indicator
153 gtk_check_button_paint (GtkWidget *widget,
156 GtkCheckButton *check_button = GTK_CHECK_BUTTON (widget);
158 if (GTK_WIDGET_DRAWABLE (widget))
163 gtk_widget_style_get (widget, "interior_focus", &interior_focus, NULL);
165 gtk_check_button_draw_indicator (check_button, area);
167 border_width = GTK_CONTAINER (widget)->border_width;
168 if (GTK_WIDGET_HAS_FOCUS (widget))
172 GtkWidget *child = GTK_BIN (widget)->child;
174 if (child && GTK_WIDGET_VISIBLE (child))
175 gtk_paint_focus (widget->style, widget->window,
176 NULL, widget, "checkbutton",
177 child->allocation.x - 1,
178 child->allocation.y - 1,
179 child->allocation.width + 1,
180 child->allocation.height + 1);
183 gtk_paint_focus (widget->style, widget->window,
184 NULL, widget, "checkbutton",
185 border_width + widget->allocation.x,
186 border_width + widget->allocation.y,
187 widget->allocation.width - 2 * border_width - 1,
188 widget->allocation.height - 2 * border_width - 1);
194 _gtk_check_button_get_props (GtkCheckButton *check_button,
195 gint *indicator_size,
196 gint *indicator_spacing)
198 GtkWidget *widget = GTK_WIDGET (check_button);
201 gtk_widget_style_get (widget, "indicator_size", indicator_size, NULL);
203 if (indicator_spacing)
204 gtk_widget_style_get (widget, "indicator_spacing", indicator_spacing, NULL);
208 gtk_check_button_size_request (GtkWidget *widget,
209 GtkRequisition *requisition)
211 GtkToggleButton *toggle_button;
213 g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
214 g_return_if_fail (requisition != NULL);
216 toggle_button = GTK_TOGGLE_BUTTON (widget);
218 if (toggle_button->draw_indicator)
223 gint indicator_spacing;
224 gint border_width = GTK_CONTAINER (widget)->border_width;
226 requisition->width = border_width * 2 + 2;
227 requisition->height = border_width * 2 + 2;
229 child = GTK_BIN (widget)->child;
230 if (child && GTK_WIDGET_VISIBLE (child))
232 GtkRequisition child_requisition;
234 gtk_widget_size_request (child, &child_requisition);
236 requisition->width += child_requisition.width;
237 requisition->height += child_requisition.height;
240 _gtk_check_button_get_props (GTK_CHECK_BUTTON (widget),
241 &indicator_size, &indicator_spacing);
243 requisition->width += (indicator_size + indicator_spacing * 3 + 2);
245 temp = (indicator_size + indicator_spacing * 2);
246 requisition->height = MAX (requisition->height, temp) + 2;
249 (* GTK_WIDGET_CLASS (parent_class)->size_request) (widget, requisition);
253 gtk_check_button_size_allocate (GtkWidget *widget,
254 GtkAllocation *allocation)
256 GtkCheckButton *check_button;
257 GtkToggleButton *toggle_button;
259 GtkAllocation child_allocation;
261 g_return_if_fail (GTK_IS_CHECK_BUTTON (widget));
262 g_return_if_fail (allocation != NULL);
264 check_button = GTK_CHECK_BUTTON (widget);
265 toggle_button = GTK_TOGGLE_BUTTON (widget);
267 if (toggle_button->draw_indicator)
270 gint indicator_spacing;
272 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
274 widget->allocation = *allocation;
275 if (GTK_WIDGET_REALIZED (widget))
276 gdk_window_move_resize (toggle_button->event_window,
277 allocation->x, allocation->y,
278 allocation->width, allocation->height);
280 button = GTK_BUTTON (widget);
282 if (GTK_BIN (button)->child && GTK_WIDGET_VISIBLE (GTK_BIN (button)->child))
284 gint border_width = GTK_CONTAINER (widget)->border_width;
286 child_allocation.x = (border_width + indicator_size + indicator_spacing * 3 + 1 +
287 widget->allocation.x);
288 child_allocation.y = border_width + 1 + widget->allocation.y;
289 child_allocation.width = MIN (GTK_BIN (button)->child->requisition.width,
291 ((border_width + 1) * 2 + indicator_size + indicator_spacing * 3));
292 child_allocation.height = MIN (GTK_BIN (button)->child->requisition.height,
293 allocation->height - (border_width + 1) * 2);
295 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
296 child_allocation.x = allocation->x + allocation->width
297 - (child_allocation.x - allocation->x + child_allocation.width);
299 gtk_widget_size_allocate (GTK_BIN (button)->child, &child_allocation);
303 (* GTK_WIDGET_CLASS (parent_class)->size_allocate) (widget, allocation);
307 gtk_check_button_expose (GtkWidget *widget,
308 GdkEventExpose *event)
310 GtkCheckButton *check_button;
311 GtkToggleButton *toggle_button;
314 g_return_val_if_fail (widget != NULL, FALSE);
315 g_return_val_if_fail (GTK_IS_CHECK_BUTTON (widget), FALSE);
316 g_return_val_if_fail (event != NULL, FALSE);
318 check_button = GTK_CHECK_BUTTON (widget);
319 toggle_button = GTK_TOGGLE_BUTTON (widget);
320 bin = GTK_BIN (widget);
322 if (GTK_WIDGET_DRAWABLE (widget))
324 if (toggle_button->draw_indicator)
326 gtk_check_button_paint (widget, &event->area);
329 gtk_container_propagate_expose (GTK_CONTAINER (widget),
333 else if (GTK_WIDGET_CLASS (parent_class)->expose_event)
334 (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
342 gtk_check_button_draw_indicator (GtkCheckButton *check_button,
345 GtkCheckButtonClass *class;
347 g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
349 class = GTK_CHECK_BUTTON_GET_CLASS (check_button);
351 if (class->draw_indicator)
352 (* class->draw_indicator) (check_button, area);
356 gtk_real_check_button_draw_indicator (GtkCheckButton *check_button,
360 GtkToggleButton *toggle_button;
361 GtkStateType state_type;
362 GtkShadowType shadow_type;
363 GdkRectangle restrict_area;
364 GdkRectangle new_area;
368 gint indicator_spacing;
371 g_return_if_fail (GTK_IS_CHECK_BUTTON (check_button));
373 widget = GTK_WIDGET (check_button);
374 toggle_button = GTK_TOGGLE_BUTTON (check_button);
376 if (GTK_WIDGET_DRAWABLE (check_button))
378 window = widget->window;
380 _gtk_check_button_get_props (check_button, &indicator_size, &indicator_spacing);
382 state_type = GTK_WIDGET_STATE (widget);
383 if (state_type != GTK_STATE_NORMAL &&
384 state_type != GTK_STATE_PRELIGHT)
385 state_type = GTK_STATE_NORMAL;
387 restrict_area.x = widget->allocation.x + GTK_CONTAINER (widget)->border_width;
388 restrict_area.y = widget->allocation.y + GTK_CONTAINER (widget)->border_width;
389 restrict_area.width = widget->allocation.width - ( 2 * GTK_CONTAINER (widget)->border_width);
390 restrict_area.height = widget->allocation.height - ( 2 * GTK_CONTAINER (widget)->border_width);
392 if (gdk_rectangle_intersect (area, &restrict_area, &new_area))
394 if (state_type != GTK_STATE_NORMAL)
395 gtk_paint_flat_box (widget->style, window, state_type,
396 GTK_SHADOW_ETCHED_OUT,
397 area, widget, "checkbutton",
398 new_area.x, new_area.y,
399 new_area.width, new_area.height);
402 x = widget->allocation.x + indicator_spacing + GTK_CONTAINER (widget)->border_width;
403 y = widget->allocation.y + (widget->allocation.height - indicator_size) / 2;
404 width = indicator_size;
405 height = indicator_size;
407 if (GTK_TOGGLE_BUTTON (widget)->inconsistent)
409 state_type = GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE ? GTK_STATE_NORMAL : GTK_WIDGET_STATE (widget);
410 shadow_type = GTK_SHADOW_ETCHED_IN;
412 else if (GTK_TOGGLE_BUTTON (widget)->active)
414 state_type = GTK_STATE_ACTIVE;
415 shadow_type = GTK_SHADOW_IN;
419 shadow_type = GTK_SHADOW_OUT;
420 state_type = GTK_WIDGET_STATE (widget);
423 if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
424 x = widget->allocation.x + widget->allocation.width - (width + x - widget->allocation.x);
426 gtk_paint_check (widget->style, window,
427 state_type, shadow_type,
428 area, widget, "checkbutton",
429 x, y, width, height);