summaryrefslogtreecommitdiff
path: root/libcaja-private/caja-directory-background.c
diff options
context:
space:
mode:
Diffstat (limited to 'libcaja-private/caja-directory-background.c')
-rw-r--r--libcaja-private/caja-directory-background.c741
1 files changed, 240 insertions, 501 deletions
diff --git a/libcaja-private/caja-directory-background.c b/libcaja-private/caja-directory-background.c
index a445aab7..58e78d72 100644
--- a/libcaja-private/caja-directory-background.c
+++ b/libcaja-private/caja-directory-background.c
@@ -2,9 +2,10 @@
/*
caja-directory-background.c: Helper for the background of a widget
- that is viewing a particular location.
+ that is viewing a particular location.
Copyright (C) 2000 Eazel, Inc.
+ Copyright (C) 2012 Jasmine Hassan <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -21,7 +22,8 @@
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
- Author: Darin Adler <[email protected]>
+ Authors: Darin Adler <[email protected]>
+ Jasmine Hassan <[email protected]>
*/
#include <config.h>
@@ -36,553 +38,203 @@
#include "caja-file-attributes.h"
#include <gtk/gtk.h>
#include <string.h>
+#define MATE_DESKTOP_USE_UNSTABLE_API
+#include <libmateui/mate-bg.h>
-static void background_changed_callback (EelBackground *background,
- GdkDragAction action,
- CajaFile *file);
-static void background_reset_callback (EelBackground *background,
- CajaFile *file);
-
-static void saved_settings_changed_callback (CajaFile *file,
- EelBackground *background);
-
-static void caja_file_background_receive_settings_changes (EelBackground *background);
-
-static void caja_file_background_theme_changed (GSettings *settings,
- const gchar *key,
- gpointer user_data);
-
-void
-caja_connect_desktop_background_to_file_metadata (CajaIconContainer *icon_container,
- CajaFile *file)
-{
- EelBackground *background;
-
- background = eel_get_widget_background (GTK_WIDGET (icon_container));
-
- eel_background_set_desktop (background, GTK_WIDGET (icon_container), TRUE);
-
- /* Strictly speaking, we don't need to know about metadata changes, since
- * the desktop setting aren't stored there. But, hooking up to metadata
- * changes is actually a small part of what this fn does, and we do need
- * the other stuff (hooked up to background & theme changes, initialize
- * the background). Being notified of metadata changes on the file is a
- * waste, but won't hurt, so I don't think it's worth refactoring the fn
- * at this point.
- */
- caja_connect_background_to_file_metadata (GTK_WIDGET (icon_container), file, CAJA_DND_ACTION_SET_AS_FOLDER_BACKGROUND);
-
- caja_file_background_receive_settings_changes (background);
-}
+static void caja_background_changed_cb (EelBackground *background,
+ GdkDragAction action,
+ CajaFile *file);
static void
-caja_file_background_get_default_settings (char **color,
- char **image,
- EelBackgroundImagePlacement *placement)
+caja_background_get_default_settings (char **color,
+ char **image)
{
gboolean background_set;
background_set = g_settings_get_boolean (caja_preferences, CAJA_PREFERENCES_BACKGROUND_SET);
if (background_set && color)
- {
*color = g_settings_get_string (caja_preferences, CAJA_PREFERENCES_BACKGROUND_COLOR);
- }
if (background_set && image)
- {
*image = g_settings_get_string (caja_preferences, CAJA_PREFERENCES_BACKGROUND_URI);
- }
-
- if (placement)
- {
- *placement = EEL_BACKGROUND_TILED;
- }
}
-
-#define BG_PREFERENCES_DRAW_BACKGROUND "draw-background"
-#define BG_PREFERENCES_PRIMARY_COLOR "primary-color"
-#define BG_PREFERENCES_SECONDARY_COLOR "secondary-color"
-#define BG_PREFERENCES_COLOR_SHADING_TYPE "color-shading-type"
-#define BG_PREFERENCES_PICTURE_OPTIONS "picture-options"
-#define BG_PREFERENCES_PICTURE_OPACITY "picture-opacity"
-#define BG_PREFERENCES_PICTURE_FILENAME "picture-filename"
-
static void
-read_color (const char *key, GdkColor *color)
+caja_background_load_from_file_metadata (CajaFile *file,
+ EelBackground *background)
{
- gchar *tmp;
-
- tmp = g_settings_get_string (mate_background_preferences, key);
-
- if (tmp != NULL)
- {
- if (!gdk_color_parse (tmp, color))
- gdk_color_parse ("black", color);
- g_free (tmp);
- }
- else
- {
- gdk_color_parse ("black", color);
- }
-}
-
-static void
-caja_file_background_read_desktop_settings (char **color,
- char **image,
- EelBackgroundImagePlacement *placement)
-{
- gboolean enabled;
- GdkColor primary, secondary;
- gchar *tmp, *filename;
- char *end_color;
- char *start_color;
- gboolean use_gradient;
- gboolean is_horizontal;
-
- filename = NULL;
-
- /* Get the image filename */
- enabled = g_settings_get_boolean (mate_background_preferences, BG_PREFERENCES_DRAW_BACKGROUND);
- if (enabled)
- {
- tmp = g_settings_get_string (mate_background_preferences, BG_PREFERENCES_PICTURE_FILENAME);
- if (tmp != NULL)
- {
- if (g_utf8_validate (tmp, -1, NULL) && g_file_test (tmp, G_FILE_TEST_EXISTS))
- {
- filename = g_strdup (tmp);
- }
- else
- {
- filename = g_filename_from_utf8 (tmp, -1, NULL, NULL, NULL);
- }
- }
- g_free (tmp);
-
- if (filename != NULL && filename[0] != '\0')
- {
- *image = g_filename_to_uri (filename, NULL, NULL);
- }
- else
- {
- *image = NULL;
- }
- g_free (filename);
- }
- else
- {
- *image = NULL;
- }
-
- /* Get the placement */
- tmp = g_settings_get_string (mate_background_preferences, BG_PREFERENCES_PICTURE_OPTIONS);
- if (tmp != NULL)
- {
- if (strcmp (tmp, "wallpaper") == 0)
- {
- *placement = EEL_BACKGROUND_TILED;
- }
- else if (strcmp (tmp, "centered") == 0)
- {
- *placement = EEL_BACKGROUND_CENTERED;
- }
- else if (strcmp (tmp, "scaled") == 0)
- {
- *placement = EEL_BACKGROUND_SCALED_ASPECT;
- }
- else if (strcmp (tmp, "stretched") == 0)
- {
- *placement = EEL_BACKGROUND_SCALED;
- }
- else if (strcmp (tmp, "zoom") == 0)
- {
- *placement = EEL_BACKGROUND_ZOOM;
- }
- else if (strcmp (tmp, "spanned") == 0)
- {
- *placement = EEL_BACKGROUND_SPANNED;
- }
- else if (strcmp (tmp, "none") == 0)
- {
- g_free (*image);
-
- *placement = EEL_BACKGROUND_CENTERED;
- *image = NULL;
- }
- else
- {
- *placement = EEL_BACKGROUND_CENTERED;
- }
- }
- else
- {
- *placement = EEL_BACKGROUND_CENTERED;
- }
- g_free (tmp);
-
- /* Get the color */
- tmp = g_settings_get_string (mate_background_preferences, BG_PREFERENCES_COLOR_SHADING_TYPE);
- if (tmp != NULL)
- {
- if (strcmp (tmp, "solid") == 0)
- {
- use_gradient = FALSE;
- is_horizontal = FALSE;
- }
- else if (strcmp (tmp, "vertical-gradient") == 0)
- {
- use_gradient = TRUE;
- is_horizontal = FALSE;
- }
- else if (strcmp (tmp, "horizontal-gradient") == 0)
- {
- use_gradient = TRUE;
- is_horizontal = TRUE;
- }
- else
- {
- use_gradient = FALSE;
- is_horizontal = FALSE;
- }
- }
- else
- {
- use_gradient = FALSE;
- is_horizontal = FALSE;
- }
- g_free (tmp);
-
- read_color (BG_PREFERENCES_PRIMARY_COLOR, &primary);
- read_color (BG_PREFERENCES_SECONDARY_COLOR, &secondary);
+ char *color, *image;
- start_color = eel_gdk_rgb_to_color_spec (eel_gdk_color_to_rgb (&primary));
- end_color = eel_gdk_rgb_to_color_spec (eel_gdk_color_to_rgb (&secondary));
+ g_assert (EEL_IS_BACKGROUND (background));
+ g_assert (CAJA_IS_FILE (file));
+ g_assert (g_object_get_data (G_OBJECT (background), "eel_background_file") == file);
- if (use_gradient)
- {
- *color = eel_gradient_new (start_color, end_color, is_horizontal);
- }
- else
- {
- *color = g_strdup (start_color);
- }
+ color = caja_file_get_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR, NULL);
+ image = caja_file_get_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE, NULL);
- g_free (start_color);
- g_free (end_color);
-}
+ /* if there's none, read the default from the theme */
+ if (color == NULL && image == NULL)
+ caja_background_get_default_settings (&color, &image);
-static int
-call_settings_changed (EelBackground *background)
-{
- CajaFile *file;
- file = g_object_get_data (G_OBJECT (background), "eel_background_file");
- if (file)
- {
- saved_settings_changed_callback (file, background);
- }
- return FALSE;
-}
+ /* Block the other handler while we are responding to changes
+ * in the metadata so it doesn't try to change the metadata.
+ */
+ g_signal_handlers_block_by_func (background, G_CALLBACK (caja_background_changed_cb), file);
-static void
-desktop_background_settings_notify_cb (GSettings *settings, gchar *key, gpointer data)
-{
- EelBackground *background;
+ eel_background_set_color (background, color);
+ /* non-tiled only available for desktop, at least for now */
+ eel_bg_set_placement (background, MATE_BG_PLACEMENT_TILED);
+ eel_background_set_image_uri (background, image);
- background = EEL_BACKGROUND (data);
+ /* Unblock the handler. */
+ g_signal_handlers_unblock_by_func (background, G_CALLBACK (caja_background_changed_cb), file);
- call_settings_changed (background);
+ g_free (color);
+ g_free (image);
}
+/* handle the file changed signal */
static void
-desktop_background_weak_notify (gpointer data,
- GObject *object)
+caja_background_settings_notify_cb (CajaFile *file,
+ EelBackground *background)
{
- g_signal_handlers_disconnect_by_func(mate_background_preferences,
- G_CALLBACK (desktop_background_settings_notify_cb),
- object);
+ caja_background_load_from_file_metadata (file, background);
}
+/* handle the theme changing */
static void
-caja_file_background_receive_settings_changes (EelBackground *background)
+caja_background_theme_notify_cb (GSettings *settings,
+ const gchar *key,
+ gpointer user_data)
{
- g_signal_connect (mate_background_preferences,
- "changed",
- G_CALLBACK (desktop_background_settings_notify_cb),
- G_OBJECT (background));
-
- g_object_weak_ref (G_OBJECT (background),
- desktop_background_weak_notify, NULL);
-}
-
-/* return true if the background is not in the default state */
-gboolean
-caja_file_background_is_set (EelBackground *background)
-{
- char *color;
- char *image;
-
- gboolean is_set;
-
- color = eel_background_get_color (background);
- image = eel_background_get_image_uri (background);
-
- is_set = (color || image);
+ CajaFile *file;
+ EelBackground *background = EEL_BACKGROUND (user_data);
- g_free (color);
- g_free (image);
+ file = g_object_get_data (G_OBJECT (background), "eel_background_file");
- return is_set;
+ if (file)
+ caja_background_settings_notify_cb (file, background);
}
/* handle the background changed signal */
static void
-background_changed_callback (EelBackground *background,
- GdkDragAction action,
- CajaFile *file)
+caja_background_changed_cb (EelBackground *background,
+ GdkDragAction action,
+ CajaFile *file)
{
- char *color;
- char *image;
-
g_assert (EEL_IS_BACKGROUND (background));
g_assert (CAJA_IS_FILE (file));
g_assert (g_object_get_data (G_OBJECT (background), "eel_background_file") == file);
+ char *color = eel_background_get_color (background);
+ char *image = eel_background_get_image_uri (background);
- color = eel_background_get_color (background);
- image = eel_background_get_image_uri (background);
+ /* Block the other handler while we are writing metadata so it doesn't
+ * try to change the background.
+ */
+ g_signal_handlers_block_by_func (file, G_CALLBACK (caja_background_settings_notify_cb),
+ background);
- if (eel_background_is_desktop (background))
+ if (action != (GdkDragAction) CAJA_DND_ACTION_SET_AS_FOLDER_BACKGROUND &&
+ action != (GdkDragAction) CAJA_DND_ACTION_SET_AS_GLOBAL_BACKGROUND)
{
- eel_background_save_to_settings (background);
+ action = (GdkDragAction) GPOINTER_TO_INT (g_object_get_data (G_OBJECT (background),
+ "default_drag_action"));
}
- else
+
+ if (action == (GdkDragAction) CAJA_DND_ACTION_SET_AS_GLOBAL_BACKGROUND)
{
- /* Block the other handler while we are writing metadata so it doesn't
- * try to change the background.
- */
- g_signal_handlers_block_by_func (
- file, G_CALLBACK (saved_settings_changed_callback), background);
-
- if (action != (GdkDragAction) CAJA_DND_ACTION_SET_AS_FOLDER_BACKGROUND &&
- action != (GdkDragAction) CAJA_DND_ACTION_SET_AS_GLOBAL_BACKGROUND)
- {
- GdkDragAction default_drag_action;
-
- default_drag_action = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (background), "default_drag_action"));
-
-
- action = default_drag_action;
- }
-
- if (action == (GdkDragAction) CAJA_DND_ACTION_SET_AS_GLOBAL_BACKGROUND)
- {
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR,
- NULL,
- NULL);
-
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE,
- NULL,
- NULL);
-
- g_signal_handlers_block_by_func (caja_preferences, G_CALLBACK (caja_file_background_theme_changed), background);
-
- g_settings_set_string (caja_preferences,
- CAJA_PREFERENCES_BACKGROUND_COLOR, color ? color : "");
- g_settings_set_string (caja_preferences,
- CAJA_PREFERENCES_BACKGROUND_URI,
- image ? image : "");
- g_settings_set_boolean (caja_preferences,
- CAJA_PREFERENCES_BACKGROUND_SET, TRUE);
-
- g_signal_handlers_unblock_by_func (caja_preferences, G_CALLBACK (caja_file_background_theme_changed), background);
- }
- else
- {
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR,
- NULL,
- color);
-
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE,
- NULL,
- image);
- }
-
- /* Unblock the handler. */
- g_signal_handlers_unblock_by_func (
- file, G_CALLBACK (saved_settings_changed_callback), background);
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR, NULL, NULL);
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE, NULL, NULL);
+
+ g_signal_handlers_block_by_func (caja_preferences,
+ G_CALLBACK (caja_background_theme_notify_cb),
+ background);
+
+ g_settings_set_string (caja_preferences,
+ CAJA_PREFERENCES_BACKGROUND_COLOR, color ? color : "");
+ g_settings_set_string (caja_preferences,
+ CAJA_PREFERENCES_BACKGROUND_URI, image ? image : "");
+
+ g_settings_set_boolean (caja_preferences, CAJA_PREFERENCES_BACKGROUND_SET, TRUE);
+
+ g_signal_handlers_unblock_by_func (caja_preferences,
+ G_CALLBACK (caja_background_theme_notify_cb),
+ background);
+ } else {
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR, NULL, color);
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE, NULL, image);
}
+ /* Unblock the handler. */
+ g_signal_handlers_unblock_by_func (file, G_CALLBACK (caja_background_settings_notify_cb),
+ background);
+
g_free (color);
g_free (image);
}
+/* handle the background reset signal by setting values from the current theme */
static void
-initialize_background_from_settings (CajaFile *file,
- EelBackground *background)
+caja_background_reset_cb (EelBackground *background,
+ CajaFile *file)
{
- char *color;
- char *image;
- EelBackgroundImagePlacement placement;
+ char *color, *image;
- g_assert (CAJA_IS_FILE (file));
- g_assert (EEL_IS_BACKGROUND (background));
- g_assert (g_object_get_data (G_OBJECT (background), "eel_background_file")
- == file);
+ /* Block the other handler while we are writing metadata so it doesn't
+ * try to change the background.
+ */
+ g_signal_handlers_block_by_func (file, G_CALLBACK (caja_background_settings_notify_cb),
+ background);
- if (eel_background_is_desktop (background))
+ color = caja_file_get_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR, NULL);
+ image = caja_file_get_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE, NULL);
+ if (!color && !image)
{
- caja_file_background_read_desktop_settings (&color, &image, &placement);
+ g_signal_handlers_block_by_func (caja_preferences,
+ G_CALLBACK (caja_background_theme_notify_cb),
+ background);
+ g_settings_set_boolean (caja_preferences, CAJA_PREFERENCES_BACKGROUND_SET, FALSE);
+ g_signal_handlers_unblock_by_func (caja_preferences,
+ G_CALLBACK (caja_background_theme_notify_cb),
+ background);
}
else
{
- color = caja_file_get_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR,
- NULL);
- image = caja_file_get_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE,
- NULL);
- placement = EEL_BACKGROUND_TILED; /* non-tiled only avail for desktop, at least for now */
-
- /* if there's none, read the default from the theme */
- if (color == NULL && image == NULL)
- {
- caja_file_background_get_default_settings
- (&color, &image, &placement);
- }
+ /* reset the metadata */
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR, NULL, NULL);
+ caja_file_set_metadata (file, CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE, NULL, NULL);
}
-
- /* Block the other handler while we are responding to changes
- * in the metadata so it doesn't try to change the metadata.
- */
- g_signal_handlers_block_by_func
- (background,
- G_CALLBACK (background_changed_callback),
- file);
-
- eel_background_set_color (background, color);
- eel_background_set_image_uri (background, image);
- eel_background_set_image_placement (background, placement);
-
- /* Unblock the handler. */
- g_signal_handlers_unblock_by_func
- (background,
- G_CALLBACK (background_changed_callback),
- file);
-
g_free (color);
g_free (image);
-}
-/* handle the file changed signal */
-static void
-saved_settings_changed_callback (CajaFile *file,
- EelBackground *background)
-{
- initialize_background_from_settings (file, background);
-}
-
-/* handle the theme changing */
-static void
-caja_file_background_theme_changed (GSettings *settings,
- const gchar *key,
- gpointer user_data)
-{
- CajaFile *file;
- EelBackground *background;
-
- background = EEL_BACKGROUND (user_data);
- file = g_object_get_data (G_OBJECT (background), "eel_background_file");
- if (file)
- {
- saved_settings_changed_callback (file, background);
- }
-}
-
-/* handle the background reset signal by setting values from the current theme */
-static void
-background_reset_callback (EelBackground *background,
- CajaFile *file)
-{
- char *color;
- char *image;
-
- if (!eel_background_is_desktop (background))
- {
- /* Block the other handler while we are writing metadata so it doesn't
- * try to change the background.
- */
- g_signal_handlers_block_by_func (
- file,
- G_CALLBACK (saved_settings_changed_callback),
- background);
-
- color = caja_file_get_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR,
- NULL);
- image = caja_file_get_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE,
- NULL);
- if (!color && !image)
- {
- g_signal_handlers_block_by_func (caja_preferences, G_CALLBACK (caja_file_background_theme_changed), background);
- g_settings_set_boolean (caja_preferences,
- CAJA_PREFERENCES_BACKGROUND_SET,
- FALSE);
- g_signal_handlers_unblock_by_func (caja_preferences, G_CALLBACK (caja_file_background_theme_changed), background);
- }
- else
- {
- /* reset the metadata */
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_COLOR,
- NULL,
- NULL);
-
- caja_file_set_metadata (file,
- CAJA_METADATA_KEY_LOCATION_BACKGROUND_IMAGE,
- NULL,
- NULL);
- }
- g_free (color);
- g_free (image);
-
- /* Unblock the handler. */
- g_signal_handlers_unblock_by_func (
- file,
- G_CALLBACK (saved_settings_changed_callback),
- background);
- }
+ /* Unblock the handler. */
+ g_signal_handlers_unblock_by_func (file, G_CALLBACK (caja_background_settings_notify_cb),
+ background);
- saved_settings_changed_callback (file, background);
+ caja_background_settings_notify_cb (file, background);
}
/* handle the background destroyed signal */
static void
-background_weak_notify (gpointer data,
- GObject *background)
+caja_background_weak_notify (gpointer data,
+ GObject *background)
{
CajaFile *file = CAJA_FILE (data);
- g_signal_handlers_disconnect_by_func
- (file,
- G_CALLBACK (saved_settings_changed_callback), background);
+ g_signal_handlers_disconnect_by_func (file, G_CALLBACK (caja_background_settings_notify_cb),
+ background);
caja_file_monitor_remove (file, background);
- g_signal_handlers_disconnect_by_func (caja_preferences,
- caja_file_background_theme_changed,
+ g_signal_handlers_disconnect_by_func (caja_preferences, caja_background_theme_notify_cb,
background);
}
/* key routine that hooks up a background and location */
void
-caja_connect_background_to_file_metadata (GtkWidget *widget,
- CajaFile *file,
- GdkDragAction default_drag_action)
+caja_connect_background_to_file_metadata (GtkWidget *widget,
+ CajaFile *file,
+ GdkDragAction default_drag_action)
{
EelBackground *background;
gpointer old_file;
@@ -593,9 +245,7 @@ caja_connect_background_to_file_metadata (GtkWidget *widget,
/* Check if it is already connected. */
old_file = g_object_get_data (G_OBJECT (background), "eel_background_file");
if (old_file == file)
- {
return;
- }
/* Disconnect old signal handlers. */
if (old_file != NULL)
@@ -603,23 +253,19 @@ caja_connect_background_to_file_metadata (GtkWidget *widget,
g_assert (CAJA_IS_FILE (old_file));
g_signal_handlers_disconnect_by_func (background,
- G_CALLBACK (background_changed_callback),
- old_file);
-
+ G_CALLBACK (caja_background_changed_cb), old_file);
g_signal_handlers_disconnect_by_func (background,
- G_CALLBACK (background_reset_callback),
- old_file);
+ G_CALLBACK (caja_background_reset_cb), old_file);
- g_object_weak_unref (G_OBJECT (background), background_weak_notify, old_file);
+ g_object_weak_unref (G_OBJECT (background), caja_background_weak_notify, old_file);
g_signal_handlers_disconnect_by_func (old_file,
- G_CALLBACK (saved_settings_changed_callback),
+ G_CALLBACK (caja_background_settings_notify_cb),
background);
caja_file_monitor_remove (old_file, background);
- g_signal_handlers_disconnect_by_func (caja_preferences,
- caja_file_background_theme_changed,
+ g_signal_handlers_disconnect_by_func (caja_preferences, caja_background_theme_notify_cb,
background);
}
@@ -628,42 +274,135 @@ caja_connect_background_to_file_metadata (GtkWidget *widget,
g_object_set_data_full (G_OBJECT (background), "eel_background_file",
file, (GDestroyNotify) caja_file_unref);
- g_object_set_data (G_OBJECT (background), "default_drag_action", GINT_TO_POINTER (default_drag_action));
+ g_object_set_data (G_OBJECT (background), "default_drag_action",
+ GINT_TO_POINTER (default_drag_action));
/* Connect new signal handlers. */
if (file != NULL)
{
g_signal_connect_object (background, "settings_changed",
- G_CALLBACK (background_changed_callback), file, 0);
+ G_CALLBACK (caja_background_changed_cb), file, 0);
g_signal_connect_object (background, "reset",
- G_CALLBACK (background_reset_callback), file, 0);
+ G_CALLBACK (caja_background_reset_cb), file, 0);
g_signal_connect_object (file, "changed",
- G_CALLBACK (saved_settings_changed_callback), background, 0);
+ G_CALLBACK (caja_background_settings_notify_cb), background, 0);
- g_object_weak_ref (G_OBJECT (background), background_weak_notify, file);
+ g_object_weak_ref (G_OBJECT (background), caja_background_weak_notify, file);
/* arrange to receive file metadata */
- caja_file_monitor_add (file,
- background,
- CAJA_FILE_ATTRIBUTE_INFO);
+ caja_file_monitor_add (file, background, CAJA_FILE_ATTRIBUTE_INFO);
/* arrange for notification when the theme changes */
- g_signal_connect (caja_preferences,
- "changed::" CAJA_PREFERENCES_BACKGROUND_SET,
- G_CALLBACK(caja_file_background_theme_changed),
- background);
- g_signal_connect (caja_preferences,
- "changed::" CAJA_PREFERENCES_BACKGROUND_COLOR,
- G_CALLBACK(caja_file_background_theme_changed),
- background);
- g_signal_connect (caja_preferences,
- "changed::" CAJA_PREFERENCES_BACKGROUND_URI,
- G_CALLBACK(caja_file_background_theme_changed),
- background);
+ g_signal_connect (caja_preferences, "changed::" CAJA_PREFERENCES_BACKGROUND_SET,
+ G_CALLBACK(caja_background_theme_notify_cb), background);
+ g_signal_connect (caja_preferences, "changed::" CAJA_PREFERENCES_BACKGROUND_COLOR,
+ G_CALLBACK(caja_background_theme_notify_cb), background);
+ g_signal_connect (caja_preferences, "changed::" CAJA_PREFERENCES_BACKGROUND_URI,
+ G_CALLBACK(caja_background_theme_notify_cb), background);
}
/* Update the background based on the file metadata. */
- initialize_background_from_settings (file, background);
+ caja_background_load_from_file_metadata (file, background);
+}
+
+/**
+ * DESKTOP BACKGROUND HANDLING
+ */
+
+/* handle the desktop background "settings_changed" signal */
+static void
+desktop_background_changed_cb (EelBackground *background,
+ GdkDragAction action,
+ gpointer user_data)
+{
+ eel_bg_save_to_gsettings (background,
+ mate_background_preferences);
+}
+
+/* delayed initializor of desktop background after GSettings changes */
+static gboolean
+desktop_background_prefs_change_event_idle_cb (EelBackground *background)
+{
+ eel_bg_load_from_gsettings (background,
+ mate_background_preferences);
+
+ eel_background_set_color (background,
+ eel_bg_get_desktop_color (background));
+
+ g_object_unref (background);
+
+ return FALSE; /* remove from the list of event sources */
+}
+
+/* handle the desktop background "reset" signal: reset to schema's defaults */
+static void
+desktop_background_reset_cb (EelBackground *background,
+ gpointer user_data)
+{
+ /* Reset to defaults, and save */
+ eel_bg_load_from_system_gsettings (background,
+ mate_background_preferences,
+ TRUE);
+ /* Reload from saved settings */
+ g_idle_add ((GSourceFunc) desktop_background_prefs_change_event_idle_cb,
+ g_object_ref (background));
+}
+
+/* handle the desktop GSettings "change-event" (batch changes) signal */
+static gboolean
+desktop_background_prefs_change_event_cb (GSettings *settings,
+ gpointer keys,
+ gint n_keys,
+ gpointer user_data)
+{
+ EelBackground *background = user_data;
+
+ /* Defer signal processing to avoid making the dconf backend deadlock, and
+ * hold a ref to avoid accessing fields of an object that was destroyed.
+ */
+ g_idle_add ((GSourceFunc) desktop_background_prefs_change_event_idle_cb,
+ g_object_ref (background));
+
+ return FALSE; /* let the event propagate further */
+}
+
+static void
+desktop_background_weak_notify (gpointer data,
+ GObject *object)
+{
+ g_signal_handlers_disconnect_by_func (mate_background_preferences,
+ G_CALLBACK (desktop_background_prefs_change_event_cb),
+ object);
+}
+
+void
+caja_connect_desktop_background_to_settings (CajaIconContainer *icon_container)
+{
+ EelBackground *background;
+
+ background = eel_get_widget_background (GTK_WIDGET (icon_container));
+
+ eel_background_set_desktop (background,
+ GTK_WIDGET (icon_container), TRUE);
+
+ g_signal_connect_object (background, "settings_changed",
+ G_CALLBACK (desktop_background_changed_cb), NULL, 0);
+
+ g_signal_connect_object (background, "reset",
+ G_CALLBACK (desktop_background_reset_cb), NULL, 0);
+
+ eel_bg_load_from_gsettings (background,
+ mate_background_preferences);
+
+ /* Connect to "change-event" signal to receive *groups of changes* before
+ * they are split out into multiple emissions of the "changed" signal.
+ */
+ g_signal_connect (mate_background_preferences, "change-event",
+ G_CALLBACK (desktop_background_prefs_change_event_cb),
+ background);
+
+ g_object_weak_ref (G_OBJECT (background),
+ desktop_background_weak_notify, NULL);
}