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,
65 toggle_button_type = gtk_type_unique (gtk_button_get_type (), &toggle_button_info);
68 return toggle_button_type;
72 gtk_toggle_button_class_init (GtkToggleButtonClass *class)
74 GtkObjectClass *object_class;
75 GtkWidgetClass *widget_class;
76 GtkContainerClass *container_class;
77 GtkButtonClass *button_class;
79 object_class = (GtkObjectClass*) class;
80 widget_class = (GtkWidgetClass*) class;
81 container_class = (GtkContainerClass*) class;
82 button_class = (GtkButtonClass*) class;
84 toggle_button_signals[TOGGLED] =
85 gtk_signal_new ("toggled",
88 GTK_SIGNAL_OFFSET (GtkToggleButtonClass, toggled),
89 gtk_signal_default_marshaller,
92 gtk_object_class_add_signals (object_class, toggle_button_signals, LAST_SIGNAL);
94 widget_class->draw_focus = gtk_toggle_button_draw_focus;
95 widget_class->draw_default = NULL;
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 ()
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)
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_VISIBLE (widget) && GTK_WIDGET_MAPPED (widget))
186 button = GTK_BUTTON (widget);
187 toggle_button = GTK_TOGGLE_BUTTON (widget);
191 width = widget->allocation.width;
192 height = widget->allocation.height;
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 (widget) == 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 (GTK_WIDGET_STATE (widget) == GTK_STATE_ACTIVE)
224 shadow_type = GTK_SHADOW_IN;
225 else if ((GTK_WIDGET_STATE (widget) == GTK_STATE_PRELIGHT) && toggle_button->active)
226 shadow_type = GTK_SHADOW_IN;
228 shadow_type = GTK_SHADOW_OUT;
230 gtk_draw_shadow (widget->style, widget->window,
231 GTK_WIDGET_STATE (widget), shadow_type,
232 x, y, width, height);
234 if (GTK_WIDGET_HAS_FOCUS (widget))
241 gdk_draw_rectangle (widget->window,
242 widget->style->black_gc, FALSE,
243 x, y, width - 1, height - 1);
249 gtk_toggle_button_pressed (GtkButton *button)
251 GtkToggleButton *toggle_button;
252 GtkStateType new_state;
254 g_return_if_fail (button != NULL);
255 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
257 toggle_button = GTK_TOGGLE_BUTTON (button);
259 button->button_down = TRUE;
261 if (toggle_button->active)
262 new_state = (button->in_button ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE);
264 new_state = (button->in_button ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
266 if (GTK_WIDGET_STATE (button) != new_state)
268 gtk_widget_set_state (GTK_WIDGET (button), new_state);
269 gtk_widget_queue_draw (GTK_WIDGET (button));
274 gtk_toggle_button_released (GtkButton *button)
276 GtkToggleButton *toggle_button;
277 GtkStateType new_state;
279 g_return_if_fail (button != NULL);
280 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
282 if (button->button_down)
284 toggle_button = GTK_TOGGLE_BUTTON (button);
286 button->button_down = FALSE;
288 if (button->in_button)
290 gtk_button_clicked (button);
294 if (toggle_button->active)
295 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
297 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
299 if (GTK_WIDGET_STATE (button) != new_state)
301 gtk_widget_set_state (GTK_WIDGET (button), new_state);
302 gtk_widget_queue_draw (GTK_WIDGET (button));
309 gtk_toggle_button_clicked (GtkButton *button)
311 GtkToggleButton *toggle_button;
312 GtkStateType new_state;
314 g_return_if_fail (button != NULL);
315 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
317 toggle_button = GTK_TOGGLE_BUTTON (button);
318 toggle_button->active = !toggle_button->active;
320 gtk_toggle_button_toggled (toggle_button);
322 if (toggle_button->active)
323 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_ACTIVE);
325 new_state = (button->in_button ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL);
327 if (GTK_WIDGET_STATE (button) != new_state)
328 gtk_widget_set_state (GTK_WIDGET (button), new_state);
329 gtk_widget_queue_draw (GTK_WIDGET (button));
333 gtk_toggle_button_enter (GtkButton *button)
335 GtkToggleButton *toggle_button;
336 GtkStateType new_state;
338 g_return_if_fail (button != NULL);
339 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
341 toggle_button = GTK_TOGGLE_BUTTON (button);
343 if (toggle_button->active)
344 new_state = (button->button_down ? GTK_STATE_NORMAL : GTK_STATE_PRELIGHT);
346 new_state = (button->button_down ? GTK_STATE_ACTIVE : GTK_STATE_PRELIGHT);
348 if (GTK_WIDGET_STATE (button) != new_state)
350 gtk_widget_set_state (GTK_WIDGET (button), new_state);
351 gtk_widget_queue_draw (GTK_WIDGET (button));
356 gtk_toggle_button_leave (GtkButton *button)
358 GtkToggleButton *toggle_button;
359 GtkStateType new_state;
361 g_return_if_fail (button != NULL);
362 g_return_if_fail (GTK_IS_TOGGLE_BUTTON (button));
364 toggle_button = GTK_TOGGLE_BUTTON (button);
366 new_state = (toggle_button->active ? GTK_STATE_ACTIVE : GTK_STATE_NORMAL);
368 if (GTK_WIDGET_STATE (button) != new_state)
370 gtk_widget_set_state (GTK_WIDGET (button), new_state);
371 gtk_widget_queue_draw (GTK_WIDGET (button));