1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*
* Copyright (c) 2011 Red Hat, Inc.
* Copyright (c) 2012 Igalia, S.L.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Based on gd-toggle-pixbuf-renderer by Cosimo Cecchi <cosimoc@redhat.com>
*
*/
#include "config.h"
#include "ephy-removable-pixbuf-renderer.h"
#include "ephy-widgets-type-builtins.h"
G_DEFINE_TYPE (EphyRemovablePixbufRenderer, ephy_removable_pixbuf_renderer, GD_TYPE_TOGGLE_PIXBUF_RENDERER);
enum {
DELETE_CLICKED,
LAST_SIGNAL
};
enum {
PROP_0 = 0,
PROP_RENDER_POLICY
};
static guint signals[LAST_SIGNAL] = { 0 };
struct _EphyRemovablePixbufRendererPrivate {
EphyRemovablePixbufRenderPolicy policy;
GdkPixbuf *close_icon;
};
static void
get_icon_rectangle (GtkWidget *widget,
GtkCellRenderer *cell,
const GdkRectangle *cell_area,
GdkPixbuf *icon,
GdkRectangle *rectangle)
{
GtkTextDirection direction;
gint x_offset, y_offset, xpad, ypad;
gint icon_size;
gint w = 0, h = 0;
GdkPixbuf *pixbuf;
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
direction = gtk_widget_get_direction (widget);
icon_size = gdk_pixbuf_get_width (icon);
g_object_get (cell, "pixbuf", &pixbuf, NULL);
if (pixbuf) {
w = gdk_pixbuf_get_width (pixbuf);
h = gdk_pixbuf_get_height (pixbuf);
g_object_unref (pixbuf);
}
x_offset = (cell_area->width - w)/2 + 10;
y_offset = (cell_area->height - h)/2 + 9;
if (direction == GTK_TEXT_DIR_RTL)
x_offset += xpad;
else
x_offset = cell_area->width - icon_size - xpad - x_offset;
rectangle->x = cell_area->x + x_offset;
rectangle->y = cell_area->y + ypad + y_offset;
rectangle->width = rectangle->height = icon_size;
}
static void
ephy_removable_pixbuf_renderer_render (GtkCellRenderer *cell,
cairo_t *cr,
GtkWidget *widget,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
GtkStyleContext *context;
EphyRemovablePixbufRenderer *self = EPHY_REMOVABLE_PIXBUF_RENDERER (cell);
GdkRectangle icon_area;
GTK_CELL_RENDERER_CLASS (ephy_removable_pixbuf_renderer_parent_class)->render
(cell, cr, widget,
background_area, cell_area, flags);
if (self->priv->policy == EPHY_REMOVABLE_PIXBUF_RENDER_NEVER ||
(self->priv->policy == EPHY_REMOVABLE_PIXBUF_RENDER_PRELIT && !(flags & GTK_CELL_RENDERER_PRELIT)))
return;
get_icon_rectangle (widget, cell, cell_area, self->priv->close_icon, &icon_area);
context = gtk_widget_get_style_context (widget);
gtk_render_icon (context, cr, self->priv->close_icon, icon_area.x, icon_area.y);
}
static gboolean
ephy_removable_pixbuf_renderer_activate (GtkCellRenderer *cell,
GdkEvent *event,
GtkWidget *widget,
const gchar *path,
const GdkRectangle *background_area,
const GdkRectangle *cell_area,
GtkCellRendererState flags)
{
GdkRectangle icon_area;
GdkEventButton *ev = (GdkEventButton *) gtk_get_current_event();
EphyRemovablePixbufRendererPrivate *priv = EPHY_REMOVABLE_PIXBUF_RENDERER (cell)->priv;
if (priv->policy == EPHY_REMOVABLE_PIXBUF_RENDER_NEVER)
return FALSE;
get_icon_rectangle (widget, cell, cell_area, priv->close_icon, &icon_area);
if (icon_area.x <= ev->x && ev->x <= icon_area.x + icon_area.width &&
icon_area.y <= ev->y && ev->y <= icon_area.y + icon_area.height) {
g_signal_emit (cell, signals [DELETE_CLICKED], 0, path);
return TRUE;
}
return FALSE;
}
static void
ephy_removable_pixbuf_renderer_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
EphyRemovablePixbufRenderer *self = EPHY_REMOVABLE_PIXBUF_RENDERER (object);
switch (property_id)
{
case PROP_RENDER_POLICY:
g_value_set_enum (value, self->priv->policy);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
ephy_removable_pixbuf_renderer_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EphyRemovablePixbufRenderer *self = EPHY_REMOVABLE_PIXBUF_RENDERER (object);
switch (property_id)
{
case PROP_RENDER_POLICY:
self->priv->policy = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
ephy_removable_pixbuf_renderer_dispose (GObject *object)
{
EphyRemovablePixbufRendererPrivate *priv = EPHY_REMOVABLE_PIXBUF_RENDERER (object)->priv;
if (priv->close_icon)
g_clear_object (&priv->close_icon);
G_OBJECT_CLASS (ephy_removable_pixbuf_renderer_parent_class)->dispose (object);
}
static void
ephy_removable_pixbuf_renderer_class_init (EphyRemovablePixbufRendererClass *klass)
{
GObjectClass *oclass = G_OBJECT_CLASS (klass);
GtkCellRendererClass *crclass = GTK_CELL_RENDERER_CLASS (klass);
crclass->render = ephy_removable_pixbuf_renderer_render;
crclass->activate = ephy_removable_pixbuf_renderer_activate;
oclass->get_property = ephy_removable_pixbuf_renderer_get_property;
oclass->set_property = ephy_removable_pixbuf_renderer_set_property;
oclass->dispose = ephy_removable_pixbuf_renderer_dispose;
g_object_class_install_property (oclass,
PROP_RENDER_POLICY,
g_param_spec_enum ("render-policy",
"Render policy",
"The rendering policy for the close icon in the renderer",
EPHY_TYPE_REMOVABLE_PIXBUF_RENDER_POLICY,
EPHY_REMOVABLE_PIXBUF_RENDER_PRELIT,
G_PARAM_CONSTRUCT |
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
signals[DELETE_CLICKED] =
g_signal_new ("delete-clicked",
G_OBJECT_CLASS_TYPE (oclass),
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 1,
G_TYPE_STRING);
g_type_class_add_private (klass, sizeof (EphyRemovablePixbufRendererPrivate));
}
static void
ephy_removable_pixbuf_renderer_init (EphyRemovablePixbufRenderer *self)
{
GtkIconTheme *icon_theme;
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EPHY_TYPE_REMOVABLE_PIXBUF_RENDERER,
EphyRemovablePixbufRendererPrivate);
g_object_set (self, "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
icon_theme = gtk_icon_theme_get_default ();
self->priv->close_icon = gtk_icon_theme_load_icon (icon_theme,
"window-close-symbolic",
24, 0, NULL);
}
GtkCellRenderer *
ephy_removable_pixbuf_renderer_new (void)
{
return g_object_new (EPHY_TYPE_REMOVABLE_PIXBUF_RENDERER, NULL);
}
|
