Removed background rendering code from the background capplet and moved it
to a separate static library.
This commit is contained in:
Bradford Hovinen (Gdict maintainer)
parent
4571311094
commit
669a1e2f3a
11 changed files with 22 additions and 12 deletions
263
libbackground/preferences.c
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263
libbackground/preferences.c
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/* -*- mode: c; style: linux -*- */
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/* preferences.c
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* Copyright (C) 2001 Ximian, Inc.
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*
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* Written by Bradford Hovinen <hovinen@ximian.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <gnome.h>
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#include <bonobo.h>
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#include "preferences.h"
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static GObjectClass *parent_class;
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static void preferences_init (Preferences *prefs,
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PreferencesClass *class);
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static void preferences_class_init (PreferencesClass *class);
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static void preferences_finalize (GObject *object);
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static GdkColor *read_color_from_string (const gchar *string);
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GType
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preferences_get_type (void)
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{
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static GType preferences_type = 0;
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if (!preferences_type) {
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GTypeInfo preferences_info = {
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sizeof (PreferencesClass),
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NULL,
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NULL,
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(GClassInitFunc) preferences_class_init,
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NULL,
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NULL,
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sizeof (Preferences),
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0,
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(GInstanceInitFunc) preferences_init,
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};
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preferences_type =
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g_type_register_static (G_TYPE_OBJECT, "Preferences", &preferences_info, 0);
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}
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return preferences_type;
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}
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static void
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preferences_init (Preferences *prefs, PreferencesClass *class)
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{
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prefs->frozen = FALSE;
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/* Load default values */
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prefs->color1 = read_color_from_string ("#39374b");
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prefs->color2 = read_color_from_string ("#42528f");
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prefs->enabled = TRUE;
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prefs->wallpaper_enabled = FALSE;
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prefs->gradient_enabled = TRUE;
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prefs->orientation = ORIENTATION_VERT;
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prefs->wallpaper_type = WPTYPE_TILED;
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prefs->wallpaper_filename = NULL;
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prefs->wallpaper_sel_path = g_strdup (g_get_home_dir ());
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prefs->auto_apply = TRUE;
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prefs->wallpapers = NULL;
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prefs->adjust_opacity = TRUE;
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prefs->opacity = 255;
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}
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static void
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preferences_class_init (PreferencesClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) class;
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object_class->finalize = preferences_finalize;
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parent_class =
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G_OBJECT_CLASS (g_type_class_ref (G_TYPE_OBJECT));
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}
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GObject *
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preferences_new (void)
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{
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GObject *object;
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object = g_object_new (preferences_get_type (), NULL);
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PREFERENCES (object)->enabled = TRUE;
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return object;
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}
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GObject *
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preferences_clone (const Preferences *prefs)
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{
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GObject *object;
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Preferences *new_prefs;
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g_return_val_if_fail (prefs != NULL, NULL);
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g_return_val_if_fail (IS_PREFERENCES (prefs), NULL);
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object = preferences_new ();
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new_prefs = PREFERENCES (object);
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new_prefs->enabled = prefs->enabled;
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new_prefs->gradient_enabled = prefs->gradient_enabled;
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new_prefs->wallpaper_enabled = prefs->wallpaper_enabled;
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new_prefs->orientation = prefs->orientation;
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new_prefs->wallpaper_type = prefs->wallpaper_type;
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if (prefs->color1)
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new_prefs->color1 = gdk_color_copy (prefs->color1);
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if (prefs->color2)
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new_prefs->color2 = gdk_color_copy (prefs->color2);
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new_prefs->wallpaper_filename = g_strdup (prefs->wallpaper_filename);
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new_prefs->wallpaper_sel_path = g_strdup (prefs->wallpaper_sel_path);;
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new_prefs->auto_apply = prefs->auto_apply;
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new_prefs->adjust_opacity = prefs->adjust_opacity;
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new_prefs->opacity = prefs->opacity;
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return object;
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}
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static void
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preferences_finalize (GObject *object)
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{
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Preferences *prefs;
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g_return_if_fail (object != NULL);
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g_return_if_fail (IS_PREFERENCES (object));
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prefs = PREFERENCES (object);
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g_free (prefs->wallpaper_filename);
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g_free (prefs->wallpaper_sel_path);
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parent_class->finalize (object);
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}
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void
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preferences_load (Preferences *prefs)
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{
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GConfEngine *engine;
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GError *error;
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g_return_if_fail (prefs != NULL);
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g_return_if_fail (IS_PREFERENCES (prefs));
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engine = gconf_engine_get_default ();
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prefs->enabled = gconf_engine_get_bool (engine, "/background-properties/enabled", &error);
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prefs->wallpaper_type = gconf_engine_get_int (engine, "/background-properties/wallpaper-type", &error);
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prefs->wallpaper_filename = gconf_engine_get_string (engine, "/background-properties/wallpaper-filename", &error);
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prefs->wallpaper_enabled = gconf_engine_get_bool (engine, "/background-properties/wallpaper-enabled", &error);
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prefs->color1 = read_color_from_string (gconf_engine_get_string (engine, "/background-properties/color1", &error));
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prefs->color2 = read_color_from_string (gconf_engine_get_string (engine, "/background-properties/color2", &error));
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prefs->opacity = gconf_engine_get_int (engine, "/background-properties/opacity", &error);
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if (prefs->opacity >= 100 || prefs->opacity < 0)
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prefs->adjust_opacity = FALSE;
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prefs->orientation = gconf_engine_get_int (engine, "/background-properties/orientation", &error);
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if (prefs->orientation == ORIENTATION_SOLID)
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prefs->gradient_enabled = FALSE;
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else
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prefs->gradient_enabled = TRUE;
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}
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/* Parse the event name given (the event being notification of a property having
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* changed and apply that change to the preferences structure. Eliminates the
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* need to reload the structure entirely on every event notification
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*/
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void
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preferences_merge_entry (Preferences *prefs,
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const GConfEntry *entry)
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{
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const gchar *name;
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const GConfValue *value = gconf_entry_get_value (entry);
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g_return_if_fail (prefs != NULL);
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g_return_if_fail (IS_PREFERENCES (prefs));
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if (!strcmp (entry->key, "/background-properties/wallpaper_type")) {
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prefs->wallpaper_type = gconf_value_get_int (value);
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}
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else if (!strcmp (entry->key, "/background-properties/wallpaper_filename")) {
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prefs->wallpaper_filename = g_strdup (gconf_value_get_string (value));
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if (prefs->wallpaper_filename != NULL &&
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strcmp (prefs->wallpaper_filename, "") != 0 &&
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strcmp (prefs->wallpaper_filename, "(none)") != 0)
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prefs->wallpaper_enabled = TRUE;
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else
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prefs->wallpaper_enabled = FALSE;
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}
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else if (!strcmp (entry->key, "/background-properties/color1")) {
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prefs->color1 = read_color_from_string (gconf_value_get_string (value));
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}
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else if (!strcmp (entry->key, "/background-properties/color2")) {
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prefs->color2 = read_color_from_string (gconf_value_get_string (value));
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}
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else if (!strcmp (entry->key, "/background-properties/opacity")) {
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prefs->opacity = gconf_value_get_int (value);
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if (prefs->opacity >= 100)
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prefs->adjust_opacity = FALSE;
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}
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else if (!strcmp (entry->key, "/background-properties/orientation")) {
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prefs->orientation = gconf_value_get_int (value);
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if (prefs->orientation == ORIENTATION_SOLID)
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prefs->gradient_enabled = FALSE;
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else
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prefs->gradient_enabled = TRUE;
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}
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else if (!strcmp (entry->key, "/background-properties/wallpaper_enabled")) {
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prefs->wallpaper_enabled = gconf_value_get_bool (value);
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} else {
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g_warning ("%s: Unknown property: %s", __FUNCTION__, name);
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}
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}
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static GdkColor *
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read_color_from_string (const gchar *string)
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{
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GdkColor *color;
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gint32 rgb;
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color = g_new0 (GdkColor, 1);
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gdk_color_parse (string, color);
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rgb = ((color->red >> 8) << 16) ||
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((color->green >> 8) << 8) ||
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(color->blue >> 8);
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color->pixel = gdk_rgb_xpixel_from_rgb (rgb);
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return color;
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}
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