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Use a pixbuf cache

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=687911
This commit is contained in:
Xavier Claessens 2012-11-08 18:05:41 +01:00 • committed by Alexander Larsson
parent d53ce490a7
commit 2e49eaf2dc
1 changed files with 78 additions and 8 deletions
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86
test-focus.c
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@ -1,6 +1,75 @@
#include <gtk/gtk.h>
#include <egg-list-box.h>
static GdkPixbuf *
get_pix (GtkStyleContext *context,
const gchar *icon_name,
gint icon_size)
{
static GHashTable *cache = NULL;
GtkStateFlags state;
gchar *key;
GtkIconInfo *icon_info;
GdkPixbuf *pix;
GError *error = NULL;
if (cache == NULL)
{
cache = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, g_object_unref);
}
state = gtk_style_context_get_state (context);
key = g_strdup_printf ("%s-%u-%u", icon_name, icon_size, state);
pix = g_hash_table_lookup (cache, key);
if (pix != NULL)
{
g_free (key);
return pix;
}
icon_info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default (),
icon_name, icon_size, 0);
pix = gtk_icon_info_load_symbolic_for_context (icon_info, context, NULL, &error);
g_assert_no_error (error);
/* Takes ownership of key and pix */
g_hash_table_insert (cache, key, pix);
return pix;
}
static void
image_update_pixbuf (GtkWidget *image)
{
const gchar *icon_name;
gint icon_size;
GdkPixbuf *pix;
icon_name = g_object_get_data ((GObject *) image, "icon-name");
icon_size = GPOINTER_TO_INT (g_object_get_data ((GObject *) image, "icon-size"));
pix = get_pix (gtk_widget_get_style_context (image), icon_name, icon_size);
gtk_image_set_from_pixbuf ((GtkImage *) image, pix);
}
static GtkWidget *
new_image (const gchar *icon_name,
gint icon_size)
{
GtkWidget *image;
image = gtk_image_new ();
g_object_set_data ((GObject *) image, "icon-name", (gchar *) icon_name);
g_object_set_data ((GObject *) image, "icon-size", GINT_TO_POINTER (icon_size));
g_signal_connect (image, "style-updated",
G_CALLBACK (image_update_pixbuf), NULL);
image_update_pixbuf (image);
return image;
}
static void
add_row (EggListBox *view)
{
@ -8,15 +77,15 @@ add_row (EggListBox *view)
GtkStyleContext *context;
GtkWidget *avatar;
GtkWidget *first_line_alig;
GtkWidget *alias;
//GtkWidget *alias;
GtkWidget *phone_icon;
GtkWidget *presence_msg;
//GtkWidget *presence_msg;
GtkWidget *presence_icon;
main_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
/* Avatar */
avatar = gtk_image_new_from_icon_name ("avatar-default-symbolic", GTK_ICON_SIZE_LARGE_TOOLBAR);
avatar = new_image ("avatar-default-symbolic", 48);
gtk_widget_set_size_request (avatar, 48, 48);
@ -29,15 +98,15 @@ add_row (EggListBox *view)
first_line_alig = gtk_alignment_new (0, 0.5, 1, 1);
first_line_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
/*
alias = gtk_label_new ("My Cool Alias");
gtk_label_set_ellipsize (GTK_LABEL (alias), PANGO_ELLIPSIZE_END);
gtk_box_pack_start (GTK_BOX (first_line_box), alias,
FALSE, FALSE, 0);
gtk_misc_set_alignment (GTK_MISC (alias), 0, 0.5);
gtk_widget_show (alias);
phone_icon = gtk_image_new_from_icon_name ("phone-symbolic",
GTK_ICON_SIZE_MENU);
*/
phone_icon = new_image ("phone-symbolic", 24);
gtk_misc_set_alignment (GTK_MISC (phone_icon), 0, 0.5);
gtk_box_pack_start (GTK_BOX (first_line_box), phone_icon,
TRUE, TRUE, 0);
@ -54,6 +123,7 @@ add_row (EggListBox *view)
gtk_widget_show (box);
/* Presence */
/*
presence_msg = gtk_label_new ("My Cool Presence Message");
gtk_label_set_ellipsize (GTK_LABEL (presence_msg),
PANGO_ELLIPSIZE_END);
@ -62,9 +132,9 @@ add_row (EggListBox *view)
context = gtk_widget_get_style_context (presence_msg);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_DIM_LABEL);
*/
/* Presence icon */
presence_icon = gtk_image_new_from_icon_name ("user-available", GTK_ICON_SIZE_MENU);
presence_icon = new_image ("user-available", 16);
gtk_box_pack_start (GTK_BOX (main_box), presence_icon,
FALSE, FALSE, 0);