1 /* LIBGIMP - The GIMP Library
2 * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
4 * gimpcellrenderertoggle.c
5 * Copyright (C) 2003-2004 Sven Neumann <sven@gimp.org>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
25 #include "gimpwidgetsmarshal.h"
26 #include "gimpcellrenderertoggle.h"
29 #define DEFAULT_ICON_SIZE GTK_ICON_SIZE_BUTTON
46 static void gimp_cell_renderer_toggle_finalize (GObject *object);
47 static void gimp_cell_renderer_toggle_get_property (GObject *object,
51 static void gimp_cell_renderer_toggle_set_property (GObject *object,
55 static void gimp_cell_renderer_toggle_get_size (GtkCellRenderer *cell,
57 GdkRectangle *rectangle,
62 static void gimp_cell_renderer_toggle_render (GtkCellRenderer *cell,
65 GdkRectangle *background_area,
66 GdkRectangle *cell_area,
67 GdkRectangle *expose_area,
68 GtkCellRendererState flags);
69 static gboolean gimp_cell_renderer_toggle_activate (GtkCellRenderer *cell,
73 GdkRectangle *background_area,
74 GdkRectangle *cell_area,
75 GtkCellRendererState flags);
76 static void gimp_cell_renderer_toggle_create_pixbuf (GimpCellRendererToggle *toggle,
80 G_DEFINE_TYPE (GimpCellRendererToggle, gimp_cell_renderer_toggle,
81 GTK_TYPE_CELL_RENDERER_TOGGLE)
83 #define parent_class gimp_cell_renderer_toggle_parent_class
85 static guint toggle_cell_signals[LAST_SIGNAL] = { 0 };
89 gimp_cell_renderer_toggle_class_init (GimpCellRendererToggleClass *klass)
91 GObjectClass *object_class = G_OBJECT_CLASS (klass);
92 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (klass);
94 toggle_cell_signals[CLICKED] =
95 g_signal_new ("clicked",
96 G_OBJECT_CLASS_TYPE (object_class),
98 G_STRUCT_OFFSET (GimpCellRendererToggleClass, clicked),
100 _gimp_widgets_marshal_VOID__STRING_FLAGS,
103 GDK_TYPE_MODIFIER_TYPE);
105 object_class->finalize = gimp_cell_renderer_toggle_finalize;
106 object_class->get_property = gimp_cell_renderer_toggle_get_property;
107 object_class->set_property = gimp_cell_renderer_toggle_set_property;
109 cell_class->get_size = gimp_cell_renderer_toggle_get_size;
110 cell_class->render = gimp_cell_renderer_toggle_render;
111 cell_class->activate = gimp_cell_renderer_toggle_activate;
113 g_object_class_install_property (object_class,
115 g_param_spec_string ("stock-id",
120 g_object_class_install_property (object_class,
122 g_param_spec_int ("stock-size",
131 gimp_cell_renderer_toggle_init (GimpCellRendererToggle *toggle)
136 gimp_cell_renderer_toggle_finalize (GObject *object)
138 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (object);
140 if (toggle->stock_id)
142 g_free (toggle->stock_id);
143 toggle->stock_id = NULL;
148 g_object_unref (toggle->pixbuf);
149 toggle->pixbuf = NULL;
152 G_OBJECT_CLASS (parent_class)->finalize (object);
156 gimp_cell_renderer_toggle_get_property (GObject *object,
161 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (object);
166 g_value_set_string (value, toggle->stock_id);
168 case PROP_STOCK_SIZE:
169 g_value_set_int (value, toggle->stock_size);
173 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
179 gimp_cell_renderer_toggle_set_property (GObject *object,
184 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (object);
189 if (toggle->stock_id)
190 g_free (toggle->stock_id);
191 toggle->stock_id = g_value_dup_string (value);
193 case PROP_STOCK_SIZE:
194 toggle->stock_size = g_value_get_int (value);
198 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
204 g_object_unref (toggle->pixbuf);
205 toggle->pixbuf = NULL;
210 gimp_cell_renderer_toggle_get_size (GtkCellRenderer *cell,
212 GdkRectangle *cell_area,
218 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (cell);
219 GtkStyle *style = gtk_widget_get_style (widget);
225 if (! toggle->stock_id)
227 GTK_CELL_RENDERER_CLASS (parent_class)->get_size (cell,
235 if (! toggle->pixbuf)
236 gimp_cell_renderer_toggle_create_pixbuf (toggle, widget);
238 pixbuf_width = gdk_pixbuf_get_width (toggle->pixbuf);
239 pixbuf_height = gdk_pixbuf_get_height (toggle->pixbuf);
241 calc_width = (pixbuf_width +
242 (gint) cell->xpad * 2 + style->xthickness * 2);
243 calc_height = (pixbuf_height +
244 (gint) cell->ypad * 2 + style->ythickness * 2);
250 *height = calc_height;
256 *x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
257 (1.0 - cell->xalign) : cell->xalign) *
258 (cell_area->width - calc_width));
259 *x_offset = MAX (*x_offset, 0);
264 *y_offset = cell->yalign * (cell_area->height - calc_height);
265 *y_offset = MAX (*y_offset, 0);
271 gimp_cell_renderer_toggle_render (GtkCellRenderer *cell,
274 GdkRectangle *background_area,
275 GdkRectangle *cell_area,
276 GdkRectangle *expose_area,
277 GtkCellRendererState flags)
279 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (cell);
280 GtkStyle *style = gtk_widget_get_style (widget);
281 GdkRectangle toggle_rect;
282 GdkRectangle draw_rect;
286 if (! toggle->stock_id)
288 GTK_CELL_RENDERER_CLASS (parent_class)->render (cell, window, widget,
290 cell_area, expose_area,
295 gimp_cell_renderer_toggle_get_size (cell, widget, cell_area,
299 &toggle_rect.height);
301 toggle_rect.x += cell_area->x + cell->xpad;
302 toggle_rect.y += cell_area->y + cell->ypad;
303 toggle_rect.width -= cell->xpad * 2;
304 toggle_rect.height -= cell->ypad * 2;
306 if (toggle_rect.width <= 0 || toggle_rect.height <= 0)
310 gtk_cell_renderer_toggle_get_active (GTK_CELL_RENDERER_TOGGLE (cell));
312 if (!cell->sensitive)
314 state = GTK_STATE_INSENSITIVE;
316 else if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
318 if (GTK_WIDGET_HAS_FOCUS (widget))
319 state = GTK_STATE_SELECTED;
321 state = GTK_STATE_ACTIVE;
325 if (GTK_CELL_RENDERER_TOGGLE (cell)->activatable)
326 state = GTK_STATE_NORMAL;
328 state = GTK_STATE_INSENSITIVE;
331 if (gdk_rectangle_intersect (expose_area, cell_area, &draw_rect) &&
332 (flags & GTK_CELL_RENDERER_PRELIT))
333 gtk_paint_shadow (style,
336 active ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
339 toggle_rect.x, toggle_rect.y,
340 toggle_rect.width, toggle_rect.height);
344 GdkPixbuf *insensitive = NULL;
345 GdkPixbuf *pixbuf = toggle->pixbuf;
347 toggle_rect.x += style->xthickness;
348 toggle_rect.y += style->ythickness;
349 toggle_rect.width -= style->xthickness * 2;
350 toggle_rect.height -= style->ythickness * 2;
352 if (state == GTK_STATE_INSENSITIVE)
354 GtkIconSource *source;
356 source = gtk_icon_source_new ();
357 gtk_icon_source_set_pixbuf (source, pixbuf);
358 /* The size here is arbitrary; since size isn't
359 * wildcarded in the source, it isn't supposed to be
360 * scaled by the engine function
362 gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
363 gtk_icon_source_set_size_wildcarded (source, FALSE);
365 insensitive = gtk_style_render_icon (widget->style,
367 gtk_widget_get_direction (widget),
368 GTK_STATE_INSENSITIVE,
372 "gimpcellrenderertoggle");
374 gtk_icon_source_free (source);
376 pixbuf = insensitive;
379 if (gdk_rectangle_intersect (&draw_rect, &toggle_rect, &draw_rect))
383 cr = gdk_cairo_create (window);
385 gdk_cairo_set_source_pixbuf (cr, pixbuf, toggle_rect.x, toggle_rect.y);
386 gdk_cairo_rectangle (cr, &draw_rect);
393 g_object_unref (insensitive);
398 gimp_cell_renderer_toggle_activate (GtkCellRenderer *cell,
402 GdkRectangle *background_area,
403 GdkRectangle *cell_area,
404 GtkCellRendererState flags)
406 GtkCellRendererToggle *toggle = GTK_CELL_RENDERER_TOGGLE (cell);
408 if (toggle->activatable)
410 GdkModifierType state = 0;
412 GTK_CELL_RENDERER_CLASS (parent_class)->activate (cell, event, widget,
413 path, background_area,
416 if (event && ((GdkEventAny *) event)->type == GDK_BUTTON_PRESS)
417 state = ((GdkEventButton *) event)->state;
419 gimp_cell_renderer_toggle_clicked (GIMP_CELL_RENDERER_TOGGLE (cell),
429 gimp_cell_renderer_toggle_create_pixbuf (GimpCellRendererToggle *toggle,
433 g_object_unref (toggle->pixbuf);
435 toggle->pixbuf = gtk_widget_render_icon (widget,
437 toggle->stock_size, NULL);
442 * gimp_cell_renderer_toggle_new:
443 * @stock_id: the stock_id of the icon to use for the active state
445 * Creates a custom version of the #GtkCellRendererToggle. Instead of
446 * showing the standard toggle button, it shows a stock icon if the
447 * cell is active and no icon otherwise. This cell renderer is for
448 * example used in the Layers treeview to indicate and control the
449 * layer's visibility by showing %GIMP_STOCK_VISIBLE.
451 * Return value: a new #GimpCellRendererToggle
456 gimp_cell_renderer_toggle_new (const gchar *stock_id)
458 return g_object_new (GIMP_TYPE_CELL_RENDERER_TOGGLE,
459 "stock_id", stock_id,
464 * gimp_cell_renderer_toggle_clicked:
465 * @cell: a #GimpCellRendererToggle
469 * Emits the "clicked" signal from a #GimpCellRendererToggle.
474 gimp_cell_renderer_toggle_clicked (GimpCellRendererToggle *cell,
476 GdkModifierType state)
478 g_return_if_fail (GIMP_IS_CELL_RENDERER_TOGGLE (cell));
479 g_return_if_fail (path != NULL);
481 g_signal_emit (cell, toggle_cell_signals[CLICKED], 0, path, state);