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authorCosimo Cecchi <cosimoc@gnome.org>2009-09-29 23:30:23 +0800
committerCosimo Cecchi <cosimoc@gnome.org>2009-09-30 20:26:28 +0800
commit20d67de0b67588163800b633174d245dfd509f2e (patch)
tree055db6f8fab98e9d758cfea98736a81727b078eb /libempathy-gtk
parent3896a68d0f8f86350794afc06db6b8de640adddc (diff)
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Add a "show-on-select" property.
This implies copying the render function from gtkcellrendererpixbuf.c and modifying it slightly.
Diffstat (limited to 'libempathy-gtk')
-rw-r--r--libempathy-gtk/empathy-cell-renderer-activatable.c342
-rw-r--r--libempathy-gtk/empathy-cell-renderer-activatable.h1
2 files changed, 283 insertions, 60 deletions
diff --git a/libempathy-gtk/empathy-cell-renderer-activatable.c b/libempathy-gtk/empathy-cell-renderer-activatable.c
index 6c7982682..29393f14c 100644
--- a/libempathy-gtk/empathy-cell-renderer-activatable.c
+++ b/libempathy-gtk/empathy-cell-renderer-activatable.c
@@ -1,7 +1,6 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2007 Raphael Slinckx <raphael@slinckx.net>
- * Copyright (C) 2007-2008 Collabora Ltd.
+ * Copyright (C) 2007-2009 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -18,100 +17,323 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Raphael Slinckx <raphael@slinckx.net>
+ * Cosimo Cecchi <cosimo.cecchi@collabora.co.uk>
*/
+#include <config.h>
+
#include <gtk/gtk.h>
+#include <libempathy/empathy-utils.h>
+
#include "empathy-cell-renderer-activatable.h"
-static void empathy_cell_renderer_activatable_init (EmpathyCellRendererActivatable *cell);
-static void empathy_cell_renderer_activatable_class_init (EmpathyCellRendererActivatableClass *klass);
-static gboolean cell_renderer_activatable_activate (GtkCellRenderer *cell,
- GdkEvent *event,
- GtkWidget *widget,
- const gchar *path,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GtkCellRendererState flags);
+enum {
+ PATH_ACTIVATED,
+ LAST_SIGNAL
+};
enum {
- PATH_ACTIVATED,
- LAST_SIGNAL
+ PROP_SHOW_ON_SELECT = 1
};
+typedef struct {
+ gboolean show_on_select;
+} EmpathyCellRendererActivatablePriv;
+
static guint signals[LAST_SIGNAL];
-G_DEFINE_TYPE (EmpathyCellRendererActivatable, empathy_cell_renderer_activatable, GTK_TYPE_CELL_RENDERER_PIXBUF)
+G_DEFINE_TYPE (EmpathyCellRendererActivatable,
+ empathy_cell_renderer_activatable, GTK_TYPE_CELL_RENDERER_PIXBUF)
+
+#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCellRendererActivatable)
static void
empathy_cell_renderer_activatable_init (EmpathyCellRendererActivatable *cell)
{
- g_object_set (cell,
- "xpad", 0,
- "ypad", 0,
- "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE,
- "follow-state", TRUE,
- NULL);
+ cell->priv = G_TYPE_INSTANCE_GET_PRIVATE (cell,
+ EMPATHY_TYPE_CELL_RENDERER_ACTIVATABLE,
+ EmpathyCellRendererActivatablePriv);
+
+ g_object_set (cell,
+ "xpad", 0,
+ "ypad", 0,
+ "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE,
+ "follow-state", TRUE,
+ NULL);
+}
+
+static void
+cell_renderer_activatable_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EmpathyCellRendererActivatablePriv *priv = GET_PRIV (object);
+
+ switch (prop_id)
+ {
+ case PROP_SHOW_ON_SELECT:
+ g_value_set_boolean (value, priv->show_on_select);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
static void
-empathy_cell_renderer_activatable_class_init (EmpathyCellRendererActivatableClass *klass)
+cell_renderer_activatable_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- GtkCellRendererClass *cell_class;
-
- cell_class = GTK_CELL_RENDERER_CLASS (klass);
- cell_class->activate = cell_renderer_activatable_activate;
-
- signals[PATH_ACTIVATED] =
- g_signal_new ("path-activated",
- G_TYPE_FROM_CLASS (klass),
- G_SIGNAL_RUN_LAST,
- 0,
- NULL, NULL,
- g_cclosure_marshal_VOID__STRING,
- G_TYPE_NONE,
- 1, G_TYPE_STRING);
+ EmpathyCellRendererActivatablePriv *priv = GET_PRIV (object);
+
+ switch (prop_id)
+ {
+ case PROP_SHOW_ON_SELECT:
+ priv->show_on_select = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
GtkCellRenderer *
empathy_cell_renderer_activatable_new (void)
{
- return g_object_new (EMPATHY_TYPE_CELL_RENDERER_ACTIVATABLE, NULL);
+ return g_object_new (EMPATHY_TYPE_CELL_RENDERER_ACTIVATABLE, NULL);
}
static gboolean
cell_renderer_activatable_activate (GtkCellRenderer *cell,
- GdkEvent *event,
- GtkWidget *widget,
- const gchar *path_string,
- GdkRectangle *background_area,
- GdkRectangle *cell_area,
- GtkCellRendererState flags)
+ GdkEvent *event,
+ GtkWidget *widget,
+ const gchar *path_string,
+ GdkRectangle *background_area,
+ GdkRectangle *cell_area,
+ GtkCellRendererState flags)
{
- EmpathyCellRendererActivatable *activatable;
- gint ex, ey, bx, by, bw, bh;
+ EmpathyCellRendererActivatable *activatable;
+ gint ex, ey, bx, by, bw, bh;
- activatable = EMPATHY_CELL_RENDERER_ACTIVATABLE (cell);
+ activatable = EMPATHY_CELL_RENDERER_ACTIVATABLE (cell);
- if (!GTK_IS_TREE_VIEW (widget) || event == NULL ||
- event->type != GDK_BUTTON_PRESS) {
- return FALSE;
- }
+ if (!GTK_IS_TREE_VIEW (widget) || event == NULL ||
+ event->type != GDK_BUTTON_PRESS) {
+ return FALSE;
+ }
- ex = (gint) ((GdkEventButton *) event)->x;
- ey = (gint) ((GdkEventButton *) event)->y;
- bx = background_area->x;
- by = background_area->y;
- bw = background_area->width;
- bh = background_area->height;
+ ex = (gint) ((GdkEventButton *) event)->x;
+ ey = (gint) ((GdkEventButton *) event)->y;
+ bx = background_area->x;
+ by = background_area->y;
+ bw = background_area->width;
+ bh = background_area->height;
+
+ if (ex < bx || ex > (bx+bw) || ey < by || ey > (by+bh)){
+ /* Click wasn't on the icon */
+ return FALSE;
+ }
+
+ g_signal_emit (activatable, signals[PATH_ACTIVATED], 0, path_string);
+
+ return TRUE;
+}
+
+/* copied from gtkcellrendererpixbuf.c */
+
+static GdkPixbuf *
+create_colorized_pixbuf (GdkPixbuf *src,
+ GdkColor *new_color)
+{
+ gint i, j;
+ gint width, height, has_alpha, src_row_stride, dst_row_stride;
+ gint red_value, green_value, blue_value;
+ guchar *target_pixels;
+ guchar *original_pixels;
+ guchar *pixsrc;
+ guchar *pixdest;
+ GdkPixbuf *dest;
+
+ red_value = new_color->red / 255.0;
+ green_value = new_color->green / 255.0;
+ blue_value = new_color->blue / 255.0;
+
+ dest = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (src),
+ gdk_pixbuf_get_has_alpha (src),
+ gdk_pixbuf_get_bits_per_sample (src),
+ gdk_pixbuf_get_width (src),
+ gdk_pixbuf_get_height (src));
+
+ has_alpha = gdk_pixbuf_get_has_alpha (src);
+ width = gdk_pixbuf_get_width (src);
+ height = gdk_pixbuf_get_height (src);
+ src_row_stride = gdk_pixbuf_get_rowstride (src);
+ dst_row_stride = gdk_pixbuf_get_rowstride (dest);
+ target_pixels = gdk_pixbuf_get_pixels (dest);
+ original_pixels = gdk_pixbuf_get_pixels (src);
+
+ for (i = 0; i < height; i++)
+ {
+ pixdest = target_pixels + i*dst_row_stride;
+ pixsrc = original_pixels + i*src_row_stride;
+ for (j = 0; j < width; j++)
+ {
+ *pixdest++ = (*pixsrc++ * red_value) >> 8;
+ *pixdest++ = (*pixsrc++ * green_value) >> 8;
+ *pixdest++ = (*pixsrc++ * blue_value) >> 8;
+ if (has_alpha)
+ *pixdest++ = *pixsrc++;
+ }
+ }
+
+ return dest;
+}
- if (ex < bx || ex > (bx+bw) || ey < by || ey > (by+bh)){
- /* Click wasn't on the icon */
- return FALSE;
+static void
+cell_renderer_activatable_render (
+ GtkCellRenderer *cell,
+ GdkWindow *window,
+ GtkWidget *widget,
+ GdkRectangle *background_area,
+ GdkRectangle *cell_area,
+ GdkRectangle *expose_area,
+ GtkCellRendererState flags)
+{
+ GdkPixbuf *pixbuf;
+ GdkPixbuf *invisible = NULL;
+ GdkPixbuf *colorized = NULL;
+ GdkRectangle pix_rect;
+ GdkRectangle draw_rect;
+ GtkStyle *style;
+ gboolean follow_state;
+ cairo_t *cr;
+ int xpad, ypad;
+ EmpathyCellRendererActivatablePriv *priv = GET_PRIV (cell);
+
+ if (priv->show_on_select && !(flags & (GTK_CELL_RENDERER_SELECTED)))
+ return;
+
+ g_object_get (cell,
+ "follow-state", &follow_state,
+ "xpad", &xpad,
+ "ypad", &ypad,
+ "pixbuf", &pixbuf,
+ NULL);
+ style = gtk_widget_get_style (widget);
+
+ gtk_cell_renderer_get_size (cell, widget, cell_area,
+ &pix_rect.x,
+ &pix_rect.y,
+ &pix_rect.width,
+ &pix_rect.height);
+
+ pix_rect.x += cell_area->x + xpad;
+ pix_rect.y += cell_area->y + ypad;
+ pix_rect.width -= xpad * 2;
+ pix_rect.height -= ypad * 2;
+
+ if (!gdk_rectangle_intersect (cell_area, &pix_rect, &draw_rect) ||
+ !gdk_rectangle_intersect (expose_area, &draw_rect, &draw_rect))
+ return;
+
+ if (GTK_WIDGET_STATE (widget) == GTK_STATE_INSENSITIVE || !cell->sensitive)
+ {
+ GtkIconSource *source;
+
+ source = gtk_icon_source_new ();
+ gtk_icon_source_set_pixbuf (source, pixbuf);
+ /* The size here is arbitrary; since size isn't
+ * wildcarded in the source, it isn't supposed to be
+ * scaled by the engine function
+ */
+ gtk_icon_source_set_size (source, GTK_ICON_SIZE_SMALL_TOOLBAR);
+ gtk_icon_source_set_size_wildcarded (source, FALSE);
+
+ invisible = gtk_style_render_icon (style,
+ source,
+ gtk_widget_get_direction (widget),
+ GTK_STATE_INSENSITIVE,
+ /* arbitrary */
+ (GtkIconSize)-1,
+ widget,
+ "gtkcellrendererpixbuf");
+
+ gtk_icon_source_free (source);
+
+ pixbuf = invisible;
+ }
+ else if (follow_state &&
+ (flags & (GTK_CELL_RENDERER_SELECTED|GTK_CELL_RENDERER_PRELIT)) != 0)
+ {
+ GtkStateType state;
+
+ if ((flags & GTK_CELL_RENDERER_SELECTED) != 0)
+ {
+ if (GTK_WIDGET_HAS_FOCUS (widget))
+ state = GTK_STATE_SELECTED;
+ else
+ state = GTK_STATE_ACTIVE;
}
+ else
+ state = GTK_STATE_PRELIGHT;
- g_signal_emit (activatable, signals[PATH_ACTIVATED], 0, path_string);
+ colorized = create_colorized_pixbuf (pixbuf,
+ &style->base[state]);
- return TRUE;
+ pixbuf = colorized;
+ }
+
+ cr = gdk_cairo_create (window);
+
+ gdk_cairo_set_source_pixbuf (cr, pixbuf, pix_rect.x, pix_rect.y);
+ gdk_cairo_rectangle (cr, &draw_rect);
+ cairo_fill (cr);
+
+ cairo_destroy (cr);
+
+ if (invisible != NULL)
+ g_object_unref (invisible);
+
+ if (colorized != NULL)
+ g_object_unref (colorized);
}
+static void
+empathy_cell_renderer_activatable_class_init (
+ EmpathyCellRendererActivatableClass *klass)
+{
+ GtkCellRendererClass *cell_class;
+ GObjectClass *oclass;
+
+ oclass = G_OBJECT_CLASS (klass);
+ oclass->get_property = cell_renderer_activatable_get_property;
+ oclass->set_property = cell_renderer_activatable_set_property;
+
+ cell_class = GTK_CELL_RENDERER_CLASS (klass);
+ cell_class->activate = cell_renderer_activatable_activate;
+ cell_class->render = cell_renderer_activatable_render;
+
+ signals[PATH_ACTIVATED] =
+ g_signal_new ("path-activated",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__STRING,
+ G_TYPE_NONE,
+ 1, G_TYPE_STRING);
+
+ g_object_class_install_property (oclass, PROP_SHOW_ON_SELECT,
+ g_param_spec_boolean ("show-on-select",
+ "Show on select",
+ "Whether the cell renderer should be shown only when it's selected",
+ FALSE,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
+
+ g_type_class_add_private (klass,
+ sizeof (EmpathyCellRendererActivatablePriv));
+}
diff --git a/libempathy-gtk/empathy-cell-renderer-activatable.h b/libempathy-gtk/empathy-cell-renderer-activatable.h
index d58a082da..b4564ee72 100644
--- a/libempathy-gtk/empathy-cell-renderer-activatable.h
+++ b/libempathy-gtk/empathy-cell-renderer-activatable.h
@@ -39,6 +39,7 @@ typedef struct _EmpathyCellRendererActivatableClass EmpathyCellRendererActivatab
struct _EmpathyCellRendererActivatable {
GtkCellRendererPixbuf parent;
+ gpointer priv;
};
struct _EmpathyCellRendererActivatableClass {