1 /* gtkcellrendererbutton.c
2 * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.com>
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.
22 #include "gtkcellrendererbutton.h"
23 //#include "gtkintl.h"
24 //#include "gtkmarshalers.h"
25 //#include "gtktreeprivate.h"
27 static void gtk_cell_renderer_button_get_property (GObject *object,
31 static void gtk_cell_renderer_button_set_property (GObject *object,
35 static void gtk_cell_renderer_button_init (GtkCellRendererButton *celltext);
36 static void gtk_cell_renderer_button_class_init (GtkCellRendererButtonClass *class);
37 static void gtk_cell_renderer_button_get_size (GtkCellRenderer *cell,
39 GdkRectangle *cell_area,
44 static void gtk_cell_renderer_button_render (GtkCellRenderer *cell,
47 GdkRectangle *background_area,
48 GdkRectangle *cell_area,
49 GdkRectangle *expose_area,
50 GtkCellRendererState flags);
51 static gboolean gtk_cell_renderer_button_activate (GtkCellRenderer *cell,
55 GdkRectangle *background_area,
56 GdkRectangle *cell_area,
57 GtkCellRendererState flags);
73 #define BUTTON_WIDTH 14
75 static guint button_cell_signals[LAST_SIGNAL] = { 0 };
77 #define GTK_CELL_RENDERER_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_CELL_RENDERER_BUTTON, GtkCellRendererButtonPrivate))
79 typedef struct _GtkCellRendererButtonPrivate GtkCellRendererButtonPrivate;
80 struct _GtkCellRendererButtonPrivate
82 guint inconsistent : 1;
87 gtk_cell_renderer_button_get_type (void)
89 static GType cell_button_type = 0;
91 if (!cell_button_type)
93 static const GTypeInfo cell_button_info =
95 sizeof (GtkCellRendererButtonClass),
97 NULL, /* base_finalize */
98 (GClassInitFunc) gtk_cell_renderer_button_class_init,
99 NULL, /* class_finalize */
100 NULL, /* class_data */
101 sizeof (GtkCellRendererButton),
103 (GInstanceInitFunc) gtk_cell_renderer_button_init,
107 g_type_register_static (GTK_TYPE_CELL_RENDERER, "GtkCellRendererButton",
108 &cell_button_info, 0);
111 return cell_button_type;
115 gtk_cell_renderer_button_init (GtkCellRendererButton *cellbutton)
117 cellbutton->activatable = TRUE;
118 cellbutton->active = FALSE;
119 GTK_CELL_RENDERER (cellbutton)->mode = GTK_CELL_RENDERER_MODE_ACTIVATABLE;
120 GTK_CELL_RENDERER (cellbutton)->xpad = 2;
121 GTK_CELL_RENDERER (cellbutton)->ypad = 2;
125 gtk_cell_renderer_button_class_init (GtkCellRendererButtonClass *class)
127 GObjectClass *object_class = G_OBJECT_CLASS (class);
128 GtkCellRendererClass *cell_class = GTK_CELL_RENDERER_CLASS (class);
130 object_class->get_property = gtk_cell_renderer_button_get_property;
131 object_class->set_property = gtk_cell_renderer_button_set_property;
133 cell_class->get_size = gtk_cell_renderer_button_get_size;
134 cell_class->render = gtk_cell_renderer_button_render;
135 cell_class->activate = gtk_cell_renderer_button_activate;
137 g_object_class_install_property (object_class,
139 g_param_spec_boolean ("active",
141 "The button state of the button",
146 g_object_class_install_property (object_class,
148 g_param_spec_boolean ("inconsistent",
149 "Inconsistent state",
150 "The inconsistent state of the button",
155 g_object_class_install_property (object_class,
157 g_param_spec_boolean ("activatable",
159 "The button button can be activated",
164 button_cell_signals[TOGGLED] =
165 g_signal_new ("toggled",
166 G_OBJECT_CLASS_TYPE (object_class),
168 G_STRUCT_OFFSET (GtkCellRendererButtonClass, toggled),
170 /*_gtk_marshal_VOID__STRING ,*/
171 g_cclosure_marshal_VOID__STRING,
175 g_type_class_add_private (object_class, sizeof (GtkCellRendererButtonPrivate));
179 gtk_cell_renderer_button_get_property (GObject *object,
184 GtkCellRendererButton *cellbutton = GTK_CELL_RENDERER_BUTTON (object);
185 GtkCellRendererButtonPrivate *priv;
187 priv = GTK_CELL_RENDERER_BUTTON_GET_PRIVATE (object);
192 g_value_set_boolean (value, cellbutton->active);
194 case PROP_INCONSISTENT:
195 g_value_set_boolean (value, priv->inconsistent);
197 case PROP_ACTIVATABLE:
198 g_value_set_boolean (value, cellbutton->activatable);
201 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
208 gtk_cell_renderer_button_set_property (GObject *object,
213 GtkCellRendererButton *cellbutton = GTK_CELL_RENDERER_BUTTON (object);
214 GtkCellRendererButtonPrivate *priv;
216 priv = GTK_CELL_RENDERER_BUTTON_GET_PRIVATE (object);
221 cellbutton->active = g_value_get_boolean (value);
222 g_object_notify (G_OBJECT(object), "active");
224 case PROP_INCONSISTENT:
225 priv->inconsistent = g_value_get_boolean (value);
226 g_object_notify (G_OBJECT (object), "inconsistent");
228 case PROP_ACTIVATABLE:
229 cellbutton->activatable = g_value_get_boolean (value);
230 g_object_notify (G_OBJECT(object), "activatable");
233 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
239 * gtk_cell_renderer_button_new:
241 * Creates a new #GtkCellRendererButton. Adjust rendering
242 * parameters using object properties. Object properties can be set
243 * globally (with g_object_set()). Also, with #GtkTreeViewColumn, you
244 * can bind a property to a value in a #GtkTreeModel. For example, you
245 * can bind the "active" property on the cell renderer to a boolean value
246 * in the model, thus causing the check button to reflect the state of
249 * Return value: the new cell renderer
252 gtk_cell_renderer_button_new (void)
254 return g_object_new (GTK_TYPE_CELL_RENDERER_BUTTON, NULL);
258 gtk_cell_renderer_button_get_size (GtkCellRenderer *cell,
260 GdkRectangle *cell_area,
269 calc_width = (gint) cell->xpad * 2 + BUTTON_WIDTH;
270 calc_height = (gint) cell->ypad * 2 + BUTTON_WIDTH;
276 *height = calc_height;
282 *x_offset = ((gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL) ?
283 (1.0 - cell->xalign) : cell->xalign) * (cell_area->width - calc_width);
284 *x_offset = MAX (*x_offset, 0);
288 *y_offset = cell->yalign * (cell_area->height - calc_height);
289 *y_offset = MAX (*y_offset, 0);
295 gtk_cell_renderer_button_render (GtkCellRenderer *cell,
298 GdkRectangle *background_area,
299 GdkRectangle *cell_area,
300 GdkRectangle *expose_area,
301 GtkCellRendererState flags)
303 GtkCellRendererButton *cellbutton = (GtkCellRendererButton *) cell;
304 GtkCellRendererButtonPrivate *priv;
306 gint x_offset, y_offset;
307 GtkShadowType shadow;
308 GtkStateType state = 0;
310 priv = GTK_CELL_RENDERER_BUTTON_GET_PRIVATE (cell);
312 gtk_cell_renderer_button_get_size (cell, widget, cell_area,
313 &x_offset, &y_offset,
315 width -= cell->xpad*2;
316 height -= cell->ypad*2;
318 if (width <= 0 || height <= 0)
321 if (priv->inconsistent)
322 shadow = GTK_SHADOW_ETCHED_IN;
324 shadow = cellbutton->active ? GTK_SHADOW_IN : GTK_SHADOW_OUT;
326 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 (cellbutton->activatable)
336 state = GTK_STATE_NORMAL;
338 state = GTK_STATE_INSENSITIVE;
341 gtk_paint_box (widget->style,
344 expose_area, widget, "button",
345 cell_area->x + x_offset + cell->xpad,
346 cell_area->y + y_offset + cell->ypad,
347 width - 1, height - 1);
353 expose_area, widget, "label",
354 cell_area->x + x_offset + cell->xpad + 4 ,
355 cell_area->x + x_offset + width - 4,
356 cell_area->y + y_offset + cell->ypad/2 + height/2
361 gtk_cell_renderer_button_activate (GtkCellRenderer *cell,
365 GdkRectangle *background_area,
366 GdkRectangle *cell_area,
367 GtkCellRendererState flags)
369 GtkCellRendererButton *cellbutton;
371 cellbutton = GTK_CELL_RENDERER_BUTTON (cell);
372 if (cellbutton->activatable)
374 g_signal_emit (cell, button_cell_signals[TOGGLED], 0, path);
382 * gtk_cell_renderer_button_get_active:
383 * @button: a #GtkCellRendererButton
385 * Returns whether the cell renderer is active. See
386 * gtk_cell_renderer_button_set_active().
388 * Return value: %TRUE if the cell renderer is active.
391 gtk_cell_renderer_button_get_active (GtkCellRendererButton *button)
393 g_return_val_if_fail (GTK_IS_CELL_RENDERER_BUTTON (button), FALSE);
395 return button->active;
399 * gtk_cell_renderer_button_set_active:
400 * @button: a #GtkCellRendererButton.
401 * @setting: the value to set.
403 * Activates or deactivates a cell renderer.
406 gtk_cell_renderer_button_set_active (GtkCellRendererButton *button,
409 g_return_if_fail (GTK_IS_CELL_RENDERER_BUTTON (button));
411 g_object_set (button, "active", setting ? TRUE : FALSE, NULL);