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
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 #include "gtksignal.h"
22 #include "gtktogglebutton.h"
25 #define DEFAULT_LEFT_POS 4
26 #define DEFAULT_TOP_POS 4
27 #define DEFAULT_SPACING 7
35 static void gtk_toggle_button_class_init (GtkToggleButtonClass *klass);
36 static void gtk_toggle_button_init (GtkToggleButton *toggle_button);
37 static void gtk_toggle_button_draw_focus (GtkWidget *widget);
38 static void gtk_toggle_button_pressed (GtkButton *button);
39 static void gtk_toggle_button_released (GtkButton *button);
40 static void gtk_toggle_button_clicked (GtkButton *button);
41 static void gtk_toggle_button_enter (GtkButton *button);
42 static void gtk_toggle_button_leave (GtkButton *button);
45 static guint toggle_button_signals[LAST_SIGNAL] = { 0 };
49 gtk_toggle_button_get_type (void)
51 static guint toggle_button_type = 0;
53 if (!toggle_button_type)
55 GtkTypeInfo toggle_button_info =
58 sizeof (GtkToggleButton),
59 sizeof (GtkToggleButtonClass),
60 (GtkClassInitFunc) gtk_toggle_button_class_init,
61 (GtkObjectInitFunc) gtk_toggle_button_init,
66 toggle_button_type = gtk_type_unique (gtk_button_get_type (), &toggle_button_info);
69 return toggle_button_type;
73 gtk_toggle_button_class_init (GtkToggleButtonClass *class)
75 GtkObjectClass *object_class;
76 GtkWidgetClass *widget_class;
77 GtkContainerClass *container_class;
78 GtkButtonClass *button_class;
80 object_class = (GtkObjectClass*) class;
81 widget_class = (GtkWidgetClass*) class;
82 container_class = (GtkContainerClass*) class;
83 button_class = (GtkButtonClass*) class;
85 toggle_button_signals[TOGGLED] =
86 gtk_signal_new ("toggled",
89 GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
90 gtk_signal_default_marshaller,
93 gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
95 widget_class->draw_focus = gtk_toggle_button_draw_focus;
97 button_class->pressed = gtk_toggle_button_pressed;
98 button_class->released = gtk_toggle_button_released;
99 button_class->clicked = gtk_toggle_button_clicked;
100 button_class->enter = gtk_toggle_button_enter;
101 button_class->leave = gtk_toggle_button_leave;
103 class->toggled = NULL;
107 gtk_toggle_button_init (GtkToggleButton *toggle_button)
109 toggle_button->active = FALSE;
110 toggle_button->draw_indicator = FALSE;
115 gtk_toggle_button_new (void)
117 return GTK_WIDGET (gtk_type_new (gtk_toggle_button_get_type ()));
121 gtk_toggle_button_new_with_label (const gchar *label)
123 GtkWidget *toggle_button;
124 GtkWidget *label_widget;
126 toggle_button = gtk_toggle_button_new ();
127 label_widget = gtk_label_new (label);
128 gtk_misc_set_alignment (GTK_MISC (label_widget), 0.5, 0.5);
130 gtk_container_add (GTK_CONTAINER (toggle_button), label_widget);
131 gtk_widget_show (label_widget);
133 return toggle_button;
137 gtk_toggle_button_set_mode (GtkToggleButton *toggle_button,
140 g_return_if_fail (toggle_button != NULL);
141 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
143 draw_indicator = draw_indicator ? TRUE : FALSE;
145 if (toggle_button->draw_indicator != draw_indicator)
147 toggle_button->draw_indicator = draw_indicator;
149 if (GTK_WIDGET_VISIBLE (toggle_button))
150 gtk_widget_queue_resize (GTK_WIDGET (toggle_button));
155 gtk_toggle_button_set_state (GtkToggleButton *toggle_button,
158 g_return_if_fail (toggle_button != NULL);
159 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (toggle_button));
161 if (toggle_button->active != (state != FALSE))
162 gtk_button_clicked (GTK_BUTTON (toggle_button));
166 gtk_toggle_button_toggled (GtkToggleButton *toggle_button)
168 gtk_signal_emit (GTK_OBJECT (toggle_button), toggle_button_signals[TOGGLED]);
173 gtk_toggle_button_draw_focus (GtkWidget *widget)
176 GtkToggleButton *toggle_button;
177 GtkShadowType shadow_type;
181 g_return_if_fail (widget != NULL);
182 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (widget));
184 if (GTK_WIDGET_DRAWABLE (widget))
186 button = GTK_BUTTON (widget);
187 toggle_button = GTK_TOGGLE_BUTTON (widget);
191 width = widget->allocation.width - GTK_CONTAINER (widget)->border_width * 2;
192 height = widget->allocation.height - GTK_CONTAINER (widget)->border_width * 2;
194 if (GTK_WIDGET_CAN_DEFAULT (widget))
196 x += widget->style->klass->xthickness;
197 y += widget->style->klass->ythickness;
198 width -= 2 * x + DEFAULT_SPACING;
199 height -= 2 * y + DEFAULT_SPACING;
200 x += DEFAULT_LEFT_POS;
201 y += DEFAULT_TOP_POS;
204 if (GTK_WIDGET_HAS_FOCUS (widget))
213 if (GTK_WIDGET_STATE (toggle_button) == GTK_STATE_ACTIVE)
214 gdk_draw_rectangle (widget->window,
215 widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
216 x + 1, y + 1, width - 4, height - 4);
218 gdk_draw_rectangle (widget->window,
219 widget->style->bg_gc[GTK_WIDGET_STATE (widget)], FALSE,
220 x + 2, y + 2, width - 5, height - 5);
223 if (toggle_button->active)
224 shadow_type = GTK_SHADOW_IN;
226 shadow_type = GTK_SHADOW_OUT;
228 gtk_draw_shadow (widget->style, widget->window,
229 GTK_WIDGET_STATE (widget), shadow_type,
230 x, y, width, height);
232 if (GTK_WIDGET_HAS_FOCUS (widget))
239 gdk_draw_rectangle (widget->window,
240 widget->style->black_gc, FALSE,
241 x, y, width - 1, height - 1);
247 gtk_toggle_button_pressed (GtkButton *button)
249 GtkToggleButton *toggle_button;
250 GtkStateType new_state;
252 g_return_if_fail (button != NULL);
253 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
255 toggle_button = GTK_TOGGLE_BUTTON (button);
257 button->button_down = TRUE;
259 if (toggle_button->active)
260 new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
262 new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
264 if (GTK_WIDGET_STATE (button) != new_state)
266 gtk_widget_set_state (GTK_WIDGET (button), new_state);
267 gtk_widget_queue_draw (GTK_WIDGET (button));
272 gtk_toggle_button_released (GtkButton *button)
274 GtkToggleButton *toggle_button;
275 GtkStateType new_state;
277 g_return_if_fail (button != NULL);
278 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
280 if (button->button_down)
282 toggle_button = GTK_TOGGLE_BUTTON (button);
284 button->button_down = FALSE;
286 if (button->in_button)
288 gtk_button_clicked (button);
292 if (toggle_button->active)
293 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
295 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
297 if (GTK_WIDGET_STATE (button) != new_state)
299 gtk_widget_set_state (GTK_WIDGET (button), new_state);
300 gtk_widget_queue_draw (GTK_WIDGET (button));
307 gtk_toggle_button_clicked (GtkButton *button)
309 GtkToggleButton *toggle_button;
310 GtkStateType new_state;
312 g_return_if_fail (button != NULL);
313 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
315 toggle_button = GTK_TOGGLE_BUTTON (button);
316 toggle_button->active = !toggle_button->active;
318 gtk_toggle_button_toggled (toggle_button);
320 if (toggle_button->active)
321 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
323 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
325 if (GTK_WIDGET_STATE (button) != new_state)
326 gtk_widget_set_state (GTK_WIDGET (button), new_state);
327 gtk_widget_queue_draw (GTK_WIDGET (button));
331 gtk_toggle_button_enter (GtkButton *button)
333 GtkToggleButton *toggle_button;
334 GtkStateType new_state;
336 g_return_if_fail (button != NULL);
337 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
339 toggle_button = GTK_TOGGLE_BUTTON (button);
341 if (toggle_button->active)
342 new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
344 new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
346 if (GTK_WIDGET_STATE (button) != new_state)
348 gtk_widget_set_state (GTK_WIDGET (button), new_state);
349 gtk_widget_queue_draw (GTK_WIDGET (button));
354 gtk_toggle_button_leave (GtkButton *button)
356 GtkToggleButton *toggle_button;
357 GtkStateType new_state;
359 g_return_if_fail (button != NULL);
360 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
362 toggle_button = GTK_TOGGLE_BUTTON (button);
364 new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
366 if (GTK_WIDGET_STATE (button) != new_state)
368 gtk_widget_set_state (GTK_WIDGET (button), new_state);
369 gtk_widget_queue_draw (GTK_WIDGET (button));