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., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, 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);
229 if (! toggle->stock_id)
231 GTK_CELL_RENDERER_CLASS (parent_class)->get_size (cell,
239 gtk_cell_renderer_get_alignment (cell, &xalign, &yalign);
240 gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
242 if (! toggle->pixbuf)
243 gimp_cell_renderer_toggle_create_pixbuf (toggle, widget);
245 pixbuf_width = gdk_pixbuf_get_width (toggle->pixbuf);
246 pixbuf_height = gdk_pixbuf_get_height (toggle->pixbuf);
248 calc_width = (pixbuf_width +
249 (gint) xpad * 2 + style->xthickness * 2);
250 calc_height = (pixbuf_height +
251 (gint) ypad * 2 + style->ythickness * 2);
257 *height = calc_height;
263 *x_offset = (((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
264 (1.0 - xalign) : xalign) *
265 (cell_area->width - calc_width));
266 *x_offset = MAX (*x_offset, 0);
271 *y_offset = yalign * (cell_area->height - calc_height);
272 *y_offset = MAX (*y_offset, 0);
278 gimp_cell_renderer_toggle_render (GtkCellRenderer *cell,
281 GdkRectangle *background_area,
282 GdkRectangle *cell_area,
283 GdkRectangle *expose_area,
284 GtkCellRendererState flags)
286 GimpCellRendererToggle *toggle = GIMP_CELL_RENDERER_TOGGLE (cell);
287 GtkStyle *style = gtk_widget_get_style (widget);
288 GdkRectangle toggle_rect;
289 GdkRectangle draw_rect;
295 if (! toggle->stock_id)
297 GTK_CELL_RENDERER_CLASS (parent_class)->render (cell, window, widget,
299 cell_area, expose_area,
304 gimp_cell_renderer_toggle_get_size (cell, widget, cell_area,
308 &toggle_rect.height);
310 gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
311 toggle_rect.x += cell_area->x + xpad;
312 toggle_rect.y += cell_area->y + ypad;
313 toggle_rect.width -= xpad * 2;
314 toggle_rect.height -= ypad * 2;
316 if (toggle_rect.width <= 0 || toggle_rect.height <= 0)
320 gtk_cell_renderer_toggle_get_active (GTK_CELL_RENDERER_TOGGLE (cell));
322 if (!gtk_cell_renderer_get_sensitive (cell))
324 state = GTK_STATE_INSENSITIVE;
326 else if ((flags & GTK_CELL_RENDERER_SELECTED) == GTK_CELL_RENDERER_SELECTED)
328 if (gtk_widget_has_focus (widget))
329 state = GTK_STATE_SELECTED;
331 state = GTK_STATE_ACTIVE;
335 if (gtk_cell_renderer_toggle_get_activatable (GTK_CELL_RENDERER_TOGGLE (cell)))
336 state = GTK_STATE_NORMAL;
338 state = GTK_STATE_INSENSITIVE;
341 if (gdk_rectangle_intersect (expose_area, cell_area, &draw_rect) &&
342 (flags & GTK_CELL_RENDERER_PRELIT))
343 gtk_paint_shadow (style,
346 active ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
349 toggle_rect.x, toggle_rect.y,
350 toggle_rect.width, toggle_rect.height);
354 GdkPixbuf *insensitive = NULL;
355 GdkPixbuf *pixbuf = toggle->pixbuf;
357 toggle_rect.x += style->xthickness;
358 toggle_rect.y += style->ythickness;
359 toggle_rect.width -= style->xthickness * 2;
360 toggle_rect.height -= style->ythickness * 2;
362 if (state == GTK_STATE_INSENSITIVE)
364 GtkIconSource *source;
366 source = gtk_icon_source_new ();
367 gtk_icon_source_set_pixbuf (source, pixbuf);
368 /* The size here is arbitrary; since size isn't
369 * wildcarded in the source, it isn't supposed to be
370 * scaled by the engine function
372 gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
373 gtk_icon_source_set_size_wildcarded (source, FALSE);
375 insensitive = gtk_style_render_icon (gtk_widget_get_style (widget),
377 gtk_widget_get_direction (widget),
378 GTK_STATE_INSENSITIVE,
382 "gimpcellrenderertoggle");
384 gtk_icon_source_free (source);
386 pixbuf = insensitive;
389 if (gdk_rectangle_intersect (&draw_rect, &toggle_rect, &draw_rect))
393 cr = gdk_cairo_create (window);
395 gdk_cairo_set_source_pixbuf (cr, pixbuf, toggle_rect.x, toggle_rect.y);
396 gdk_cairo_rectangle (cr, &draw_rect);
403 g_object_unref (insensitive);
408 gimp_cell_renderer_toggle_activate (GtkCellRenderer *cell,
412 GdkRectangle *background_area,
413 GdkRectangle *cell_area,
414 GtkCellRendererState flags)
416 GtkCellRendererToggle *toggle = GTK_CELL_RENDERER_TOGGLE (cell);
418 if (gtk_cell_renderer_toggle_get_activatable (toggle))
420 GdkModifierType state = 0;
422 GTK_CELL_RENDERER_CLASS (parent_class)->activate (cell, event, widget,
423 path, background_area,
426 if (event && ((GdkEventAny *) event)->type == GDK_BUTTON_PRESS)
427 state = ((GdkEventButton *) event)->state;
429 gimp_cell_renderer_toggle_clicked (GIMP_CELL_RENDERER_TOGGLE (cell),
439 gimp_cell_renderer_toggle_create_pixbuf (GimpCellRendererToggle *toggle,
443 g_object_unref (toggle->pixbuf);
445 toggle->pixbuf = gtk_widget_render_icon (widget,
447 toggle->stock_size, NULL);
452 * gimp_cell_renderer_toggle_new:
453 * @stock_id: the stock_id of the icon to use for the active state
455 * Creates a custom version of the #GtkCellRendererToggle. Instead of
456 * showing the standard toggle button, it shows a stock icon if the
457 * cell is active and no icon otherwise. This cell renderer is for
458 * example used in the Layers treeview to indicate and control the
459 * layer's visibility by showing %GIMP_STOCK_VISIBLE.
461 * Return value: a new #GimpCellRendererToggle
466 gimp_cell_renderer_toggle_new (const gchar *stock_id)
468 return g_object_new (GIMP_TYPE_CELL_RENDERER_TOGGLE,
469 "stock_id", stock_id,
474 * gimp_cell_renderer_toggle_clicked:
475 * @cell: a #GimpCellRendererToggle
479 * Emits the "clicked" signal from a #GimpCellRendererToggle.
484 gimp_cell_renderer_toggle_clicked (GimpCellRendererToggle *cell,
486 GdkModifierType state)
488 g_return_if_fail (GIMP_IS_CELL_RENDERER_TOGGLE (cell));
489 g_return_if_fail (path != NULL);
491 g_signal_emit (cell, toggle_cell_signals[CLICKED], 0, path, state);