/*
* 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);
}
