/*
* Copyright (C) 2001 Matthew Mueller
* (C) 2002 Jorn Baayen <jorn@nl.linux.org>
* (C) 2003 Marco Pesenti Gritti <mpeseng@tin.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#include "ephy-state.h"
#include "ephy-file-helpers.h"
#include "ephy-node-db.h"
#include "ephy-types.h"
#include "ephy-node-common.h"
#include <string.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtkpaned.h>
#define STATES_FILE "states.xml"
#define WINDOW_POSITION_UNSET -1
enum
{
EPHY_NODE_STATE_PROP_NAME = 2,
EPHY_NODE_STATE_PROP_WIDTH = 3,
EPHY_NODE_STATE_PROP_HEIGHT = 4,
EPHY_NODE_STATE_PROP_MAXIMIZE = 5,
EPHY_NODE_STATE_PROP_POSITION_X = 6,
EPHY_NODE_STATE_PROP_POSITION_Y = 7
};
static EphyNode *states = NULL;
static EphyNodeDb *states_db = NULL;
static void
ephy_states_load (void)
{
xmlDocPtr doc;
xmlNodePtr root, child;
char *xml_file;
xml_file = g_build_filename (ephy_dot_dir (),
STATES_FILE,
NULL);
if (g_file_test (xml_file, G_FILE_TEST_EXISTS) == FALSE)
return;
doc = xmlParseFile (xml_file);
g_assert (doc != NULL);
root = xmlDocGetRootElement (doc);
for (child = root->children; child != NULL; child = child->next)
{
EphyNode *node;
node = ephy_node_new_from_xml (states_db, child);
}
xmlFreeDoc (doc);
g_free (xml_file);
}
static void
ephy_states_save (void)
{
xmlDocPtr doc;
xmlNodePtr root;
GPtrArray *children;
int i;
char *xml_file;
if (states == NULL) return;
xml_file = g_build_filename (ephy_dot_dir (),
STATES_FILE,
NULL);
/* save nodes to xml */
xmlIndentTreeOutput = TRUE;
doc = xmlNewDoc ("1.0");
root = xmlNewDocNode (doc, NULL, "ephy_bookmarks", NULL);
xmlDocSetRootElement (doc, root);
children = ephy_node_get_children (states);
for (i = 0; i < children->len; i++)
{
EphyNode *kid;
kid = g_ptr_array_index (children, i);
ephy_node_save_to_xml (kid, root);
}
ephy_node_thaw (states);
ephy_file_save_xml (xml_file, doc);
g_free (xml_file);
}
static EphyNode *
find_by_name (const char *name)
{
EphyNode *result = NULL;
GPtrArray *children;
int i;
children = ephy_node_get_children (states);
for (i = 0; i < children->len; i++)
{
EphyNode *kid;
const char *node_name;
kid = g_ptr_array_index (children, i);
node_name = ephy_node_get_property_string
(kid, EPHY_NODE_STATE_PROP_NAME);
if (strcmp (node_name, name) == 0)
{
result = kid;
}
}
ephy_node_thaw (states);
return result;
}
static void
ensure_states (void)
{
if (states == NULL)
{
states_db = ephy_node_db_new ("EphyStates");
states = ephy_node_new_with_id (states_db, STATES_NODE_ID);
ephy_states_load ();
}
}
static void
ephy_state_window_set_size (GtkWidget *window, EphyNode *node)
{
int width;
int height;
gboolean maximize;
width = ephy_node_get_property_int (node, EPHY_NODE_STATE_PROP_WIDTH);
height = ephy_node_get_property_int (node, EPHY_NODE_STATE_PROP_HEIGHT);
maximize = ephy_node_get_property_boolean (node, EPHY_NODE_STATE_PROP_MAXIMIZE);
if (width > 0 && height > 0)
{
gtk_window_set_default_size
(GTK_WINDOW (window), width, height);
}
if (maximize)
{
gtk_window_maximize (GTK_WINDOW (window));
}
}
static void
ephy_state_window_set_position (GtkWidget *window, EphyNode *node)
{
GdkScreen *screen;
int x, y;
int screen_width, screen_height;
gboolean maximize;
g_return_if_fail (GTK_IS_WINDOW (window));
/* Setting the default size doesn't work when the window is already showing. */
g_return_if_fail (!GTK_WIDGET_VISIBLE (window));
maximize = ephy_node_get_property_boolean (node, EPHY_NODE_STATE_PROP_MAXIMIZE);
/* Don't set the position of the window if it is maximized */
if (!maximize)
{
x = ephy_node_get_property_int (node, EPHY_NODE_STATE_PROP_POSITION_X);
y = ephy_node_get_property_int (node, EPHY_NODE_STATE_PROP_POSITION_Y);
screen = gtk_window_get_screen (GTK_WINDOW (window));
screen_width = gdk_screen_get_width (screen);
screen_height = gdk_screen_get_height (screen);
if ((x >= screen_width) || (y >= screen_height))
{
x = y = WINDOW_POSITION_UNSET;
}
/* If the window has a saved position set it, otherwise let the WM do it */
if ((x != WINDOW_POSITION_UNSET) && (y != WINDOW_POSITION_UNSET))
{
gtk_window_move (GTK_WINDOW (window), x, y);
}
}
}
static void
ephy_state_window_save_size (GtkWidget *window, EphyNode *node)
{
int width, height;
gboolean maximize;
GdkWindowState state;
GValue value = { 0, };
state = gdk_window_get_state (GTK_WIDGET (window)->window);
maximize = ((state & GDK_WINDOW_STATE_MAXIMIZED) > 0);
gtk_window_get_size (GTK_WINDOW(window),
&width, &height);
if (!maximize)
{
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, width);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_WIDTH,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, height);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_HEIGHT,
&value);
g_value_unset (&value);
}
g_value_init (&value, G_TYPE_BOOLEAN);
g_value_set_boolean (&value, maximize);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_MAXIMIZE,
&value);
g_value_unset (&value);
}
static void
ephy_state_window_save_position (GtkWidget *window, EphyNode *node)
{
int x,y;
gboolean maximize;
GdkWindowState state;
GValue value = { 0, };
state = gdk_window_get_state (GTK_WIDGET (window)->window);
maximize = ((state & GDK_WINDOW_STATE_MAXIMIZED) > 0);
/* Don't save the position if maximized */
if (!maximize)
{
gtk_window_get_position (GTK_WINDOW (window), &x, &y);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, x);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_POSITION_X,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, y);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_POSITION_Y,
&value);
g_value_unset (&value);
}
}
static gboolean
window_configure_event_cb (GtkWidget *widget,
GdkEventConfigure *event,
EphyNode *node)
{
ephy_state_window_save_size (widget, node);
ephy_state_window_save_position (widget, node);
return FALSE;
}
static gboolean
window_state_event_cb (GtkWidget *widget,
GdkEventWindowState *event,
EphyNode *node)
{
ephy_state_window_save_size (widget, node);
ephy_state_window_save_position (widget, node);
return FALSE;
}
void
ephy_state_add_window (GtkWidget *window,
const char *name,
int default_width,
int default_height,
EphyStateWindowFlags flags)
{
EphyNode *node;
ensure_states ();
node = find_by_name (name);
if (node == NULL)
{
GValue value = { 0, };
node = ephy_node_new (states_db);
ephy_node_add_child (states, node);
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, name);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_NAME,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, default_width);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_WIDTH,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, default_height);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_HEIGHT,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_BOOLEAN);
g_value_set_boolean (&value, FALSE);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_MAXIMIZE,
&value);
g_value_unset (&value);
/* Metacity and presumably any other sane wm won't let
* you drag the titlebar of a window off the screen, so
* we set the inital cordinate to an impossible value (-1,-1)
*/
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, WINDOW_POSITION_UNSET);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_POSITION_X,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, WINDOW_POSITION_UNSET);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_POSITION_Y,
&value);
g_value_unset (&value);
}
if (flags & EPHY_STATE_WINDOW_SAVE_SIZE)
{
ephy_state_window_set_size (window, node);
}
if (flags & EPHY_STATE_WINDOW_SAVE_POSITION)
{
ephy_state_window_set_position (window, node);
}
g_signal_connect (window, "configure_event",
G_CALLBACK (window_configure_event_cb), node);
g_signal_connect (window, "window_state_event",
G_CALLBACK (window_state_event_cb), node);
}
static gboolean
paned_size_allocate_cb (GtkWidget *paned,
GtkAllocation *allocation,
EphyNode *node)
{
int width;
GValue value = { 0, };
width = gtk_paned_get_position (GTK_PANED (paned));
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, width);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_WIDTH,
&value);
g_value_unset (&value);
return FALSE;
}
void
ephy_state_add_paned (GtkWidget *paned,
const char *name,
int default_width)
{
EphyNode *node;
int width;
ensure_states ();
node = find_by_name (name);
if (node == NULL)
{
GValue value = { 0, };
node = ephy_node_new (states_db);
ephy_node_add_child (states, node);
g_value_init (&value, G_TYPE_STRING);
g_value_set_string (&value, name);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_NAME,
&value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_INT);
g_value_set_int (&value, default_width);
ephy_node_set_property (node, EPHY_NODE_STATE_PROP_WIDTH,
&value);
g_value_unset (&value);
}
width = ephy_node_get_property_int (node, EPHY_NODE_STATE_PROP_WIDTH);
gtk_paned_set_position (GTK_PANED (paned), width);
g_signal_connect (paned, "size_allocate",
G_CALLBACK (paned_size_allocate_cb), node);
}
void
ephy_state_save (void)
{
if (states)
{
ephy_states_save ();
ephy_node_unref (states);
g_object_unref (states_db);
states = NULL;
states_db = NULL;
}
}
