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-rw-r--r--e-util/ChangeLog7
-rw-r--r--e-util/e-icon-factory.c342
-rw-r--r--e-util/e-icon-factory.h12
3 files changed, 179 insertions, 182 deletions
diff --git a/e-util/ChangeLog b/e-util/ChangeLog
index dd154f1c62..19d07fadd7 100644
--- a/e-util/ChangeLog
+++ b/e-util/ChangeLog
@@ -1,3 +1,10 @@
+2004-04-20 Jeffrey Stedfast <fejj@ximian.com>
+
+ * e-icon-factory.c (e_icon_factory_get_icon): Make
+ thread-safe. Fixes a crash I encountered this morning.
+ (e_icon_factory_get_icon_filename): Same.
+ (e_icon_factory_get_icon_list): Here too.
+
2004-04-19 Jeffrey Stedfast <fejj@ximian.com>
* e-icon-factory.h: Add an enum for icon sizes (temporarily has
diff --git a/e-util/e-icon-factory.c b/e-util/e-icon-factory.c
index 11b1ee7b5b..a558e046b0 100644
--- a/e-util/e-icon-factory.c
+++ b/e-util/e-icon-factory.c
@@ -25,49 +25,52 @@
#endif
#include <string.h>
+#include <pthread.h>
+
#include <libgnomeui/gnome-icon-theme.h>
#include <e-util/e-icon-factory.h>
#include "art/empty.xpm"
-
-/* One icon. Keep both a small (16x16) and a large (48x48) version around. */
-struct _Icon {
- char *name;
- GdkPixbuf *pixbuf_16;
- GdkPixbuf *pixbuf_24;
- GdkPixbuf *pixbuf_48;
+
+static int sizes[E_ICON_NUM_SIZES] = {
+ 16, /* menu */
+ 20, /* button */
+ 18, /* small toolbar */
+ 24, /* large toolbar */
+ 32, /* dnd */
+ 48, /* dialog */
};
-typedef struct _Icon Icon;
+
+
+typedef struct {
+ char *name;
+ GdkPixbuf *pixbuf[E_ICON_NUM_SIZES];
+} Icon;
/* Hash of all the icons. */
static GHashTable *name_to_icon = NULL;
static GnomeIconTheme *icon_theme = NULL;
static GdkPixbuf *empty_pixbuf = NULL;
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
-
/* Creating and destroying icons. */
+/* Note: takes ownership of the pixbufs (eg. does not ref them) */
static Icon *
-icon_new (const gchar *name,
- GdkPixbuf *pixbuf_16,
- GdkPixbuf *pixbuf_24,
- GdkPixbuf *pixbuf_48)
+icon_new (const char *name, GdkPixbuf **pixbufs)
{
Icon *icon;
-
- icon = g_new (Icon, 1);
- icon->name = g_strdup (name);
- icon->pixbuf_16 = pixbuf_16;
- icon->pixbuf_24 = pixbuf_24;
- icon->pixbuf_48 = pixbuf_48;
-
- if (pixbuf_16 != NULL)
- g_object_ref (pixbuf_16);
- if (pixbuf_24 != NULL)
- g_object_ref (pixbuf_24);
- if (pixbuf_48 != NULL)
- g_object_ref (pixbuf_48);
-
+ int i;
+
+ icon = g_malloc0 (sizeof (Icon));
+ icon->name = g_strdup (name);
+
+ if (pixbufs != NULL) {
+ for (i = 0; i < E_ICON_NUM_SIZES; i++)
+ icon->pixbuf[i] = pixbufs[i];
+ }
+
return icon;
}
@@ -78,73 +81,69 @@ icon_new (const gchar *name,
static void
icon_free (Icon *icon)
{
+ int i;
+
g_free (icon->name);
-
- if (icon->pixbuf_16 != NULL)
- g_object_unref (icon->pixbuf_16);
- if (icon->pixbuf_24 != NULL)
- g_object_unref (icon->pixbuf_24);
- if (icon->pixbuf_48 != NULL)
- g_object_unref (icon->pixbuf_48);
-
+
+ for (i = 0; i < E_ICON_NUM_SIZES; i++) {
+ if (icon->pixbuf[i] != NULL)
+ g_object_unref (icon->pixbuf[i]);
+ }
+
g_free (icon);
}
#endif
-
/* Loading icons. */
static Icon *
-load_icon (const gchar *icon_name)
+load_icon (const char *icon_name)
{
- GdkPixbuf *unscaled;
- GdkPixbuf *pixbuf_16;
- GdkPixbuf *pixbuf_24;
- GdkPixbuf *pixbuf_48;
- gchar *filename;
- Icon *icon;
-
- filename = gnome_icon_theme_lookup_icon (icon_theme, icon_name, 16,
- NULL, NULL);
-
- if (filename == NULL)
- return NULL;
- unscaled = gdk_pixbuf_new_from_file (filename, NULL);
- pixbuf_16 = gdk_pixbuf_scale_simple (unscaled, 16, 16, GDK_INTERP_BILINEAR);
- g_object_unref (unscaled);
- g_free (filename);
+ GdkPixbuf *pixbufs[E_ICON_NUM_SIZES];
+ char *filename;
+ int i, j;
- filename = gnome_icon_theme_lookup_icon (icon_theme, icon_name, 24,
- NULL, NULL);
-
- if (filename == NULL)
- return NULL;
- unscaled = gdk_pixbuf_new_from_file (filename, NULL);
- pixbuf_24 = gdk_pixbuf_scale_simple (unscaled, 24, 24, GDK_INTERP_BILINEAR);
- g_object_unref (unscaled);
- g_free (filename);
+ for (i = 0; i < E_ICON_NUM_SIZES; i++) {
+ GdkPixbuf *unscaled;
+ int size = sizes[i];
+
+ if (!(filename = gnome_icon_theme_lookup_icon (icon_theme, icon_name, size, NULL, NULL)))
+ goto exception;
+
+ unscaled = gdk_pixbuf_new_from_file (filename, NULL);
+ pixbufs[i] = gdk_pixbuf_scale_simple (unscaled, size, size, GDK_INTERP_BILINEAR);
+ g_object_unref (unscaled);
+ g_free (filename);
+ }
- filename = gnome_icon_theme_lookup_icon (icon_theme, icon_name, 48,
- NULL, NULL);
-
- if (filename == NULL)
- return NULL;
- unscaled = gdk_pixbuf_new_from_file (filename, NULL);
- pixbuf_48 = gdk_pixbuf_scale_simple (unscaled, 48, 48, GDK_INTERP_BILINEAR);
- g_object_unref (unscaled);
- g_free (filename);
-
- icon = icon_new (icon_name, pixbuf_16, pixbuf_24, pixbuf_48);
+ return icon_new (icon_name, pixbufs);
+
+ exception:
+
+ for (j = 0; j < i; j++)
+ g_object_unref (pixbufs[j]);
+
+ return NULL;
+}
- g_object_unref (pixbuf_16);
- g_object_unref (pixbuf_24);
- g_object_unref (pixbuf_48);
- return icon;
+/* termporary workaround for code that has not yet been ported to the new icon_size API */
+static int
+pixel_size_to_icon_size (int pixel_size)
+{
+ int i, icon_size = -1;
+
+ for (i = 0; i < E_ICON_NUM_SIZES; i++) {
+ if (pixel_size == sizes[i]) {
+ icon_size = i;
+ break;
+ }
+ }
+
+ return icon_size;
}
-
/* Public API. */
void
@@ -154,26 +153,39 @@ e_icon_factory_init (void)
/* Already initialized. */
return;
}
-
+
name_to_icon = g_hash_table_new (g_str_hash, g_str_equal);
icon_theme = gnome_icon_theme_new ();
empty_pixbuf = gdk_pixbuf_new_from_xpm_data ((const char **) empty_xpm);
}
-gchar *
-e_icon_factory_get_icon_filename (const gchar *icon_name,
- gint icon_size)
+
+/**
+ * e_icon_factory_get_icon_filename:
+ * @icon_name: name of the icon
+ * @size: MENU/SMALL_TOOLBAR/etc
+ *
+ * Looks up the icon to use based on name and size.
+ *
+ * Returns the requested icon pixbuf.
+ **/
+char *
+e_icon_factory_get_icon_filename (const char *icon_name, int icon_size)
{
- gchar *filename;
+ char *filename;
g_return_val_if_fail (icon_name != NULL, NULL);
g_return_val_if_fail (strcmp (icon_name, ""), NULL);
- filename = gnome_icon_theme_lookup_icon (icon_theme,
- icon_name,
- icon_size,
- NULL,
- NULL);
+ if (icon_size >= E_ICON_NUM_SIZES) {
+ g_warning ("e_icon_factory_get_icon_filename(): Invalid argument for icon_size: use one of the E_ICON_SIZE_* enum values");
+ if ((icon_size = pixel_size_to_icon_size (icon_size)) == -1)
+ return NULL;
+ }
+
+ pthread_mutex_lock (&lock);
+ filename = gnome_icon_theme_lookup_icon (icon_theme, icon_name, sizes[icon_size], NULL, NULL);
+ pthread_mutex_unlock (&lock);
return filename;
}
@@ -182,107 +194,85 @@ e_icon_factory_get_icon_filename (const gchar *icon_name,
The returned icon is guaranteed to be the requested size and exist. If
the themed icon cannot be found, an empty icon is returned. */
GdkPixbuf *
-e_icon_factory_get_icon (const gchar *icon_name,
- gint icon_size)
+e_icon_factory_get_icon (const char *icon_name, int icon_size)
{
- if (icon_name != NULL && strcmp (icon_name, "")) {
- Icon *icon;
-
- icon = g_hash_table_lookup (name_to_icon, icon_name);
- if (icon == NULL) {
- icon = load_icon (icon_name);
- if (icon == NULL) {
- g_warning ("Icon not found -- %s", icon_name);
-
- /* Create an empty icon so that we don't keep spitting
- out the same warning over and over, every time this
- icon is requested. */
-
- icon = icon_new (icon_name, NULL, NULL, NULL);
- g_hash_table_insert (name_to_icon, icon->name, icon);
- }
- else {
- g_hash_table_insert (name_to_icon, icon->name, icon);
- }
- }
-
- if (icon->pixbuf_16) {
- gchar *filename;
- GdkPixbuf *pixbuf, *scaled;
-
- switch (icon_size) {
- case 16:
- return g_object_ref (icon->pixbuf_16);
-
- case 24:
- return g_object_ref (icon->pixbuf_24);
+ GdkPixbuf *pixbuf;
+ Icon *icon;
+ int size;
+
+ if (icon_size >= E_ICON_NUM_SIZES) {
+ g_warning ("e_icon_factory_get_icon(): Invalid argument for icon_size: use one of the E_ICON_SIZE_* enum values");
+ if ((icon_size = pixel_size_to_icon_size (icon_size)) == -1)
+ return NULL;
+ }
+
+ if (icon_name == NULL || !strcmp (icon_name, "")) {
+ size = sizes[icon_size];
+ return gdk_pixbuf_scale_simple (empty_pixbuf, size, size, GDK_INTERP_NEAREST);
+ }
+
+ pthread_mutex_lock (&lock);
+
+ if (!(icon = g_hash_table_lookup (name_to_icon, icon_name))) {
+ if (!(icon = load_icon (icon_name))) {
+ g_warning ("Icon not found -- %s", icon_name);
- case 48:
- return g_object_ref (icon->pixbuf_48);
+ /* Create an empty icon so that we don't keep spitting
+ out the same warning over and over, every time this
+ icon is requested. */
- default:
- /* Non-standard size. Do a non-cached load. */
-
- filename = gnome_icon_theme_lookup_icon (icon_theme,
- icon_name,
- icon_size,
- NULL,
- NULL);
- if (filename == NULL)
- break;
-
- pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
- g_free (filename);
- if (pixbuf == NULL)
- break;
-
- scaled = gdk_pixbuf_scale_simple (pixbuf, icon_size, icon_size, GDK_INTERP_BILINEAR);
- g_object_unref (pixbuf);
-
- return scaled;
- }
+ icon = icon_new (icon_name, NULL);
+ g_hash_table_insert (name_to_icon, icon->name, icon);
+ } else {
+ g_hash_table_insert (name_to_icon, icon->name, icon);
}
}
- /* icon not found -- create an empty icon */
- return gdk_pixbuf_scale_simple (empty_pixbuf, icon_size, icon_size, GDK_INTERP_NEAREST);
+ if ((pixbuf = icon->pixbuf[icon_size]))
+ g_object_ref (pixbuf);
+
+ pthread_mutex_unlock (&lock);
+
+ return pixbuf;
}
+
GList *
-e_icon_factory_get_icon_list (const gchar *icon_name)
+e_icon_factory_get_icon_list (const char *icon_name)
{
- if (icon_name != NULL && strcmp (icon_name, "")) {
- Icon *icon;
-
- icon = g_hash_table_lookup (name_to_icon, icon_name);
- if (icon == NULL) {
- icon = load_icon (icon_name);
- if (icon == NULL) {
- g_warning ("Icon not found -- %s", icon_name);
-
- /* Create an empty icon so that we don't keep spitting
- out the same warning over and over, every time this
- icon is requested. */
-
- icon = icon_new (icon_name, NULL, NULL, NULL);
- g_hash_table_insert (name_to_icon, icon->name, icon);
- }
- else {
- g_hash_table_insert (name_to_icon, icon->name, icon);
- }
- }
-
- if (icon->pixbuf_16) {
- GList *list = NULL;
+ GList *list = NULL;
+ Icon *icon;
+ int i;
+
+ if (!icon_name || !strcmp (icon_name, ""))
+ return NULL;
+
+ pthread_mutex_lock (&lock);
+
+ if (!(icon = g_hash_table_lookup (name_to_icon, icon_name))) {
+ if (!(icon = load_icon (icon_name))) {
+ g_warning ("Icon not found -- %s", icon_name);
- list = g_list_append (list, g_object_ref (icon->pixbuf_48));
- list = g_list_append (list, g_object_ref (icon->pixbuf_24));
- list = g_list_append (list, g_object_ref (icon->pixbuf_16));
+ /* Create an empty icon so that we don't keep spitting
+ out the same warning over and over, every time this
+ icon is requested. */
- return list;
+ icon = icon_new (icon_name, NULL);
+ g_hash_table_insert (name_to_icon, icon->name, icon);
+ return NULL;
+ } else {
+ g_hash_table_insert (name_to_icon, icon->name, icon);
}
}
- /* icons not found */
- return NULL;
+ for (i = 0; i < E_ICON_NUM_SIZES; i++) {
+ if (icon->pixbuf[i]) {
+ list = g_list_prepend (list, icon->pixbuf[i]);
+ g_object_ref (icon->pixbuf[i]);
+ }
+ }
+
+ pthread_mutex_unlock (&lock);
+
+ return list;
}
diff --git a/e-util/e-icon-factory.h b/e-util/e-icon-factory.h
index 866fc32aba..809576d92a 100644
--- a/e-util/e-icon-factory.h
+++ b/e-util/e-icon-factory.h
@@ -26,12 +26,12 @@
#include <gdk-pixbuf/gdk-pixbuf.h>
enum {
- E_ICON_SIZE_MENU = 16,
- E_ICON_SIZE_BUTTON = 20,
- E_ICON_SIZE_SMALL_TOOLBAR = 18,
- E_ICON_SIZE_LARGE_TOOLBAR = 24,
- E_ICON_SIZE_DND = 32,
- E_ICON_SIZE_DIALOG = 48,
+ E_ICON_SIZE_MENU,
+ E_ICON_SIZE_BUTTON,
+ E_ICON_SIZE_SMALL_TOOLBAR,
+ E_ICON_SIZE_LARGE_TOOLBAR,
+ E_ICON_SIZE_DND,
+ E_ICON_SIZE_DIALOG,
E_ICON_NUM_SIZES
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 14:10:17 +0800