/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Srinivasa Ragavan <sragavan@novell.com>
*
* Copyright (C) 2009 Novell, Inc. (www.novell.com)
*
*/
/* Many thanks to Aaron Bockover & Cubano. This is just a C version Cubano's self decoration */
#include "mail-decoration.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <gconf/gconf-client.h>
#define MAIL_DECORATION_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), MAIL_DECORATION_TYPE, MailDecorationPrivate))
struct _MailDecorationPrivate
{
GdkCursor *cursors[8];
gboolean default_cursor;
gboolean resizing;
GdkWindowEdge last_edge;
int resize_width;
int top_height;
gboolean check_window;
gboolean can_resize;
gboolean full_screen;
int window_width;
int window_height;
};
static GObjectClass *parent_class = NULL;
static void mail_decoration_class_init(MailDecorationClass *klass);
static void mail_decoration_init(MailDecoration *facet);
GType
mail_decoration_get_type(void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0))
{
static const GTypeInfo mail_decoration_info =
{
sizeof (MailDecorationClass),
NULL,
NULL,
(GClassInitFunc) mail_decoration_class_init,
NULL,
NULL,
sizeof (MailDecoration),
0,
(GInstanceInitFunc) mail_decoration_init
};
type = g_type_register_static (G_TYPE_OBJECT,
"MailDecoration",
&mail_decoration_info, 0);
}
return type;
}
static void
md_translate_position (GdkWindow *w, double ex, double ey, int *x, int *y, GtkWidget *window)
{
*x = (int)ex;
*y = (int)ey;
while (w && w != window->window) {
int cx, cy, cw, ch, cd;
gdk_window_get_geometry (w, &cx, &cy, &cw, &ch, &cd);
*x += cx;
*y += cy;
w = (GdkWindow *)((GdkWindowObject *)w)->parent;
}
}
static gboolean
in_top (MailDecoration *md, double y)
{
return y <= md->priv->resize_width;
}
static gboolean
in_left (MailDecoration *md, double x)
{
return x <= md->priv->resize_width;
}
static gboolean
in_bottom (MailDecoration *md, double y)
{
return y >= ((GtkWidget *)md->window)->allocation.height - md->priv->resize_width;
}
static gboolean
in_right (MailDecoration *md, double x)
{
return x >= ((GtkWidget *)md->window)->allocation.width - md->priv->resize_width;
}
static void
set_cursor (MailDecoration *md, GdkWindowEdge edge)
{
gdk_window_set_cursor (((GtkWidget *)md->window)->window, md->priv->cursors[edge]);
md->priv->default_cursor = FALSE;
}
static void
reset_cursor (MailDecoration *md)
{
if (!md->priv->default_cursor) {
md->priv->default_cursor = TRUE;
gdk_window_set_cursor (((GtkWidget *)md->window)->window, NULL);
}
}
static void
update_cursor (MailDecoration *md, double x, double y, gboolean update)
{
if (update)
md->priv->resizing = TRUE;
if (in_top(md, y) && in_left (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_NORTH_WEST;
set_cursor (md, GDK_WINDOW_EDGE_NORTH_WEST);
} else if (in_top (md, y) && in_right (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_NORTH_EAST;
set_cursor (md, GDK_WINDOW_EDGE_NORTH_EAST);
} else if (in_bottom (md, y) && in_left (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_SOUTH_WEST;
set_cursor (md, GDK_WINDOW_EDGE_SOUTH_WEST);
} else if (in_bottom (md, y) && in_right (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_SOUTH_EAST;
set_cursor (md, GDK_WINDOW_EDGE_SOUTH_EAST);
} else if (in_top (md, y)) {
md->priv->last_edge = GDK_WINDOW_EDGE_NORTH;
set_cursor (md, GDK_WINDOW_EDGE_NORTH);
} else if (in_bottom (md, y)) {
md->priv->last_edge = GDK_WINDOW_EDGE_SOUTH;
set_cursor (md, GDK_WINDOW_EDGE_SOUTH);
} else if (in_left (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_WEST;
set_cursor (md, GDK_WINDOW_EDGE_WEST);
} else if (in_right (md, x)) {
md->priv->last_edge = GDK_WINDOW_EDGE_EAST;
set_cursor (md, GDK_WINDOW_EDGE_EAST);
} else {
if (update)
md->priv->resizing = FALSE;
reset_cursor (md);
}
}
static gboolean
md_motion_event (GtkWidget *widget, GdkEventMotion *event, gpointer user_data)
{
int x, y;
MailDecoration *md = (MailDecoration *)user_data;
md_translate_position (event->window, event->x, event->y, &x, &y, (GtkWidget *)md->window);
if (md->priv->can_resize) {
update_cursor (md, x, y, FALSE);
}
return FALSE;
}
static gboolean
md_enter_event (GtkWidget *widget , GdkEventCrossing *event, gpointer user_data)
{
MailDecoration *md = (MailDecoration *)user_data;
int x, y;
md_translate_position (event->window, event->x, event->y, &x, &y, (GtkWidget *)md->window);
if (md->priv->can_resize) {
update_cursor (md, x, y, FALSE);
}
return FALSE;
}
static gboolean
md_leave_event (GtkWidget *widget, GdkEventCrossing *event, gpointer user_data)
{
MailDecoration *md = (MailDecoration *)user_data;
if (md->priv->can_resize)
reset_cursor (md);
return FALSE;
}
static void
md_size_allocate_event (GtkWidget *widget, GtkAllocation *allocation, gpointer user_data)
{
int width=1024, height=500;
MailDecoration *md = (MailDecoration *)user_data;
gtk_widget_queue_draw (widget);
gtk_window_get_size ((GtkWindow *)widget, &width, &height);
if (width != md->priv->window_width || height != md->priv->window_height) {
GConfClient *client = gconf_client_get_default ();
md->priv->window_height = height;
md->priv->window_width = width;
gconf_client_set_int (client, "/apps/anjal/window_width", width, NULL);
gconf_client_set_int (client, "/apps/anjal/window_height", height, NULL);
g_object_unref(client);
}
}
static gboolean
md_button_press_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
MailDecoration *md = (MailDecoration *)user_data;
int x_root = (int) event->x_root;
int y_root = (int) event->y_root;
int x, y;
if (!md->priv->can_resize) {
return FALSE;
}
md_translate_position (event->window, event->x, event->y, &x, &y, (GtkWidget *)md->window);
update_cursor (md, x, y, TRUE);
if (md->priv->resizing && event->button == 1 && event->type != GDK_2BUTTON_PRESS) {
gtk_window_begin_resize_drag ((GtkWindow *)widget, md->priv->last_edge, 1, x_root, y_root, event->time);
} else if ((md->priv->resizing && event->button == 2 && event->type != GDK_2BUTTON_PRESS) ||
(event->button == 1 && y <= md->priv->top_height && event->type != GDK_2BUTTON_PRESS)) {
gtk_window_begin_move_drag ((GtkWindow *)widget, event->button, x_root, y_root, event->time);
} else if (y <= md->priv->top_height && event->type == GDK_2BUTTON_PRESS) {
if (md->priv->full_screen)
gtk_window_unfullscreen (md->window);
else
gtk_window_fullscreen (md->window);
md->priv->full_screen = md->priv->full_screen != TRUE;
} else
return FALSE;
return TRUE;
}
static gboolean
md_button_release_event (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
{
int x, y;
MailDecoration *md = (MailDecoration *)user_data;
md_translate_position (event->window, event->x, event->y, &x, &y, (GtkWidget *)md->window);
if (md->priv->resizing) {
update_cursor (md, x, y, TRUE);
}
return FALSE;
}
MailDecoration* mail_decoration_new(GtkWindow *window)
{
MailDecoration *md = g_object_new(mail_decoration_get_type(), NULL);
GConfClient *client = gconf_client_get_default ();
int width, height;
md->priv->window_width = width = gconf_client_get_int (client, "/apps/anjal/window_width", NULL);
if (!width)
md->priv->window_width = width = 1024;
md->priv->window_height = height = gconf_client_get_int (client, "/apps/anjal/window_height", NULL);
if (!height)
md->priv->window_height = height = 500;
g_object_unref (client);
md->window = window;
gtk_window_set_decorated (window, FALSE);
gtk_widget_add_events ((GtkWidget *)window, GDK_BUTTON_PRESS_MASK |
GDK_POINTER_MOTION_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
GDK_BUTTON_RELEASE_MASK);
g_signal_connect (window, "motion-notify-event", G_CALLBACK(md_motion_event), md);
g_signal_connect (window, "enter-notify-event", G_CALLBACK(md_enter_event), md);
g_signal_connect (window, "leave-notify-event", G_CALLBACK(md_leave_event), md);
g_signal_connect (window, "button-press-event", G_CALLBACK(md_button_press_event), md);
g_signal_connect (window, "button-release-event", G_CALLBACK(md_button_release_event), md);
g_signal_connect (window, "size-allocate", G_CALLBACK(md_size_allocate_event), md);
gtk_window_set_default_size ((GtkWindow *)window , width, height);/* We officiall should support 800x600 */
return md;
}
static void
mail_decoration_class_init(MailDecorationClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
g_type_class_add_private (object_class, sizeof(MailDecorationPrivate));
}
static void
mail_decoration_init(MailDecoration *md)
{
MailDecorationPrivate *priv;
priv = MAIL_DECORATION_GET_PRIVATE (md);
md->priv = priv;
priv->cursors[0]= gdk_cursor_new (GDK_TOP_LEFT_CORNER);
priv->cursors[1]= gdk_cursor_new (GDK_TOP_SIDE);
priv->cursors[2]= gdk_cursor_new (GDK_TOP_RIGHT_CORNER);
priv->cursors[3]= gdk_cursor_new (GDK_LEFT_SIDE);
priv->cursors[4]= gdk_cursor_new (GDK_RIGHT_SIDE);
priv->cursors[5]= gdk_cursor_new (GDK_BOTTOM_LEFT_CORNER);
priv->cursors[6]= gdk_cursor_new (GDK_BOTTOM_SIDE);
priv->cursors[7]= gdk_cursor_new (GDK_BOTTOM_RIGHT_CORNER);
priv->default_cursor = TRUE;
priv->resizing = FALSE;
priv->resize_width = 4;
priv->top_height = 54;
priv->check_window = TRUE;
priv->can_resize = TRUE;
priv->full_screen = TRUE;
}