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 Library 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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "gtksignal.h"
21 #include "gtktogglebutton.h"
24 #define DEFAULT_LEFT_POS 4
25 #define DEFAULT_TOP_POS 4
26 #define DEFAULT_SPACING 7
34 static void gtk_toggle_button_class_init (GtkToggleButtonClass *klass);
35 static void gtk_toggle_button_init (GtkToggleButton *toggle_button);
36 static void gtk_toggle_button_draw_focus (GtkWidget *widget);
37 static void gtk_toggle_button_pressed (GtkButton *button);
38 static void gtk_toggle_button_released (GtkButton *button);
39 static void gtk_toggle_button_clicked (GtkButton *button);
40 static void gtk_toggle_button_enter (GtkButton *button);
41 static void gtk_toggle_button_leave (GtkButton *button);
44 static gint toggle_button_signals[LAST_SIGNAL] = { 0 };
48 gtk_toggle_button_get_type ()
50 static guint toggle_button_type = 0;
52 if (!toggle_button_type)
54 GtkTypeInfo toggle_button_info =
57 sizeof (GtkToggleButton),
58 sizeof (GtkToggleButtonClass),
59 (GtkClassInitFunc) gtk_toggle_button_class_init,
60 (GtkObjectInitFunc) gtk_toggle_button_init,
64 toggle_button_type = gtk_type_unique (gtk_button_get_type (), &toggle_button_info);
67 return toggle_button_type;
71 gtk_toggle_button_class_init (GtkToggleButtonClass *class)
73 GtkObjectClass *object_class;
74 GtkWidgetClass *widget_class;
75 GtkContainerClass *container_class;
76 GtkButtonClass *button_class;
78 object_class = (GtkObjectClass*) class;
79 widget_class = (GtkWidgetClass*) class;
80 container_class = (GtkContainerClass*) class;
81 button_class = (GtkButtonClass*) class;
83 toggle_button_signals[TOGGLED] =
84 gtk_signal_new ("toggled",
87 GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
88 gtk_signal_default_marshaller,
91 gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
93 widget_class->draw_focus = gtk_toggle_button_draw_focus;
94 widget_class->draw_default = NULL;
96 button_class->pressed = gtk_toggle_button_pressed;
97 button_class->released = gtk_toggle_button_released;
98 button_class->clicked = gtk_toggle_button_clicked;
99 button_class->enter = gtk_toggle_button_enter;
100 button_class->leave = gtk_toggle_button_leave;
102 class->toggled = NULL;
106 gtk_toggle_button_init (GtkToggleButton *toggle_button)
108 toggle_button->active = FALSE;
109 toggle_button->draw_indicator = FALSE;
114 gtk_toggle_button_new ()
116 return GTK_WIDGET (gtk_type_new (gtk_toggle_button_get_type ()));
120 gtk_toggle_button_new_with_label (const gchar *label)
122 GtkWidget *toggle_button;
123 GtkWidget *label_widget;
125 toggle_button = gtk_toggle_button_new ();
126 label_widget = gtk_label_new (label);
127 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.5, 0.5);
129 gtk_container_add (GTK_CONTAINER (toggle_button), label_widget);
130 gtk_widget_show (label_widget);
132 return toggle_button;
136 gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
139 g_return_if_fail (toggle_button != NULL);
140 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
142 draw_indicator = draw_indicator ? TRUE : FALSE;
144 if (toggle_button->draw_indicator != draw_indicator)
146 toggle_button->draw_indicator = draw_indicator;
148 if (GTK_WIDGET_VISIBLE (toggle_button))
149 gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
154 gtk_toggle_button_set_state (GtkToggleButton *toggle_button,
157 g_return_if_fail (toggle_button != NULL);
158 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
160 if (toggle_button->active != state)
161 gtk_button_clicked (GTK_BUTTON (toggle_button));
165 gtk_toggle_button_toggled (GtkToggleButton *toggle_button)
167 gtk_signal_emit (GTK_OBJECT (toggle_button), toggle_button_signals[TOGGLED]);
172 gtk_toggle_button_draw_focus (GtkWidget *widget)
175 GtkToggleButton *toggle_button;
176 GtkShadowType shadow_type;
180 g_return_if_fail (widget != NULL);
181 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
183 if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
185 button = GTK_BUTTON (widget);
186 toggle_button = GTK_TOGGLE_BUTTON (widget);
190 width = widget->allocation.width;
191 height = widget->allocation.height;
193 if (GTK_WIDGET_CAN_DEFAULT (widget))
195 x += widget->style->klass->xthickness;
196 y += widget->style->klass->ythickness;
197 width -= 2 * x + DEFAULT_SPACING;
198 height -= 2 * y + DEFAULT_SPACING;
199 x += DEFAULT_LEFT_POS;
200 y += DEFAULT_TOP_POS;
203 if (GTK_WIDGET_HAS_FOCUS (widget))
212 if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
213 gdk_draw_rectangle (widget->window,
214 widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
215 x + 1, y + 1, width - 4, height - 4);
217 gdk_draw_rectangle (widget->window,
218 widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
219 x + 2, y + 2, width - 5, height - 5);
222 if (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
223 shadow_type = GTK_SHADOW_IN;
224 else if ((GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT) && toggle_button->active)
225 shadow_type = GTK_SHADOW_IN;
227 shadow_type = GTK_SHADOW_OUT;
229 gtk_draw_shadow (widget->style, widget->window,
230 GTK_WIDGET_STATE (widget), shadow_type,
231 x, y, width, height);
233 if (GTK_WIDGET_HAS_FOCUS (widget))
240 gdk_draw_rectangle (widget->window,
241 widget->style->black_gc, FALSE,
242 x, y, width - 1, height - 1);
248 gtk_toggle_button_pressed (GtkButton *button)
250 GtkToggleButton *toggle_button;
251 GtkStateType new_state;
253 g_return_if_fail (button != NULL);
254 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
256 toggle_button = GTK_TOGGLE_BUTTON (button);
258 button->button_down = TRUE;
260 if (toggle_button->active)
261 new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
263 new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
265 if (GTK_WIDGET_STATE (button) != new_state)
267 gtk_widget_set_state (GTK_WIDGET (button), new_state);
268 gtk_widget_queue_draw (GTK_WIDGET (button));
273 gtk_toggle_button_released (GtkButton *button)
275 GtkToggleButton *toggle_button;
276 GtkStateType new_state;
278 g_return_if_fail (button != NULL);
279 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
281 if (button->button_down)
283 toggle_button = GTK_TOGGLE_BUTTON (button);
285 button->button_down = FALSE;
287 if (button->in_button)
289 gtk_button_clicked (button);
293 if (toggle_button->active)
294 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
296 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
298 if (GTK_WIDGET_STATE (button) != new_state)
300 gtk_widget_set_state (GTK_WIDGET (button), new_state);
301 gtk_widget_queue_draw (GTK_WIDGET (button));
308 gtk_toggle_button_clicked (GtkButton *button)
310 GtkToggleButton *toggle_button;
311 GtkStateType new_state;
313 g_return_if_fail (button != NULL);
314 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
316 toggle_button = GTK_TOGGLE_BUTTON (button);
317 toggle_button->active = !toggle_button->active;
319 gtk_toggle_button_toggled (toggle_button);
321 if (toggle_button->active)
322 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
324 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
326 if (GTK_WIDGET_STATE (button) != new_state)
327 gtk_widget_set_state (GTK_WIDGET (button), new_state);
328 gtk_widget_queue_draw (GTK_WIDGET (button));
332 gtk_toggle_button_enter (GtkButton *button)
334 GtkToggleButton *toggle_button;
335 GtkStateType new_state;
337 g_return_if_fail (button != NULL);
338 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
340 toggle_button = GTK_TOGGLE_BUTTON (button);
342 if (toggle_button->active)
343 new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
345 new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
347 if (GTK_WIDGET_STATE (button) != new_state)
349 gtk_widget_set_state (GTK_WIDGET (button), new_state);
350 gtk_widget_queue_draw (GTK_WIDGET (button));
355 gtk_toggle_button_leave (GtkButton *button)
357 GtkToggleButton *toggle_button;
358 GtkStateType new_state;
360 g_return_if_fail (button != NULL);
361 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
363 toggle_button = GTK_TOGGLE_BUTTON (button);
365 new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
367 if (GTK_WIDGET_STATE (button) != new_state)
369 gtk_widget_set_state (GTK_WIDGET (button), new_state);
370 gtk_widget_queue_draw (GTK_WIDGET (button));