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/*
* Twin - A Tiny Window System
* Copyright © 2004 Keith Packard <keithp@keithp.com>
* All rights reserved.
*
* This Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Twin Library; see the file COPYING. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "twinint.h"
twin_dispatch_result_t
_twin_toplevel_dispatch (twin_widget_t *widget, twin_event_t *event)
{
twin_toplevel_t *toplevel = (twin_toplevel_t *) widget;
twin_event_t ev = *event;
switch (ev.kind) {
case TwinEventConfigure:
ev.u.configure.extents.left = 0;
ev.u.configure.extents.top = 0;
ev.u.configure.extents.right = (event->u.configure.extents.right -
event->u.configure.extents.left);
ev.u.configure.extents.bottom = (event->u.configure.extents.bottom -
event->u.configure.extents.top);
break;
default:
break;
}
return _twin_box_dispatch (&toplevel->box.widget, &ev);
}
static twin_bool_t
_twin_toplevel_event (twin_window_t *window,
twin_event_t *event)
{
twin_toplevel_t *toplevel = window->client_data;
return (*toplevel->box.widget.dispatch) (&toplevel->box.widget, event) == TwinDispatchDone;
}
static void
_twin_toplevel_draw (twin_window_t *window)
{
twin_toplevel_t *toplevel = window->client_data;
twin_event_t event;
twin_screen_disable_update(window->screen);
event.kind = TwinEventPaint;
(*toplevel->box.widget.dispatch) (&toplevel->box.widget, &event);
twin_screen_enable_update(window->screen);
}
static void
_twin_toplevel_destroy (twin_window_t *window)
{
twin_toplevel_t *toplevel = window->client_data;
twin_event_t event;
event.kind = TwinEventDestroy;
(*toplevel->box.widget.dispatch) (&toplevel->box.widget, &event);
}
void
_twin_toplevel_init (twin_toplevel_t *toplevel,
twin_dispatch_proc_t dispatch,
twin_window_t *window,
const char *name)
{
twin_rect_t extents;
twin_window_set_name (window, name);
extents.left = 0;
extents.top = 0;
extents.right = window->client.right - window->client.left;
extents.bottom =window->client.bottom - window->client.top;
window->draw = _twin_toplevel_draw;
window->destroy = _twin_toplevel_destroy;
window->event = _twin_toplevel_event;
window->client_data = toplevel;
_twin_box_init (&toplevel->box, 0, window, TwinBoxVert, dispatch);
}
twin_toplevel_t *
twin_toplevel_create (twin_screen_t *screen,
twin_format_t format,
twin_window_style_t style,
twin_coord_t x,
twin_coord_t y,
twin_coord_t width,
twin_coord_t height,
const char *name)
{
twin_toplevel_t *toplevel;
twin_window_t *window = twin_window_create (screen, format, style,
x, y, width, height);
if (!window)
return 0;
toplevel = malloc (sizeof (twin_toplevel_t) + strlen (name) + 1);
if (!toplevel)
{
twin_window_destroy (window);
return 0;
}
_twin_toplevel_init (toplevel, _twin_toplevel_dispatch, window, name);
return toplevel;
}
static twin_bool_t
_twin_toplevel_paint (void *closure)
{
twin_toplevel_t *toplevel = closure;
twin_event_t ev;
twin_screen_disable_update(toplevel->box.widget.window->screen);
ev.kind = TwinEventPaint;
(*toplevel->box.widget.dispatch) (&toplevel->box.widget, &ev);
twin_screen_enable_update(toplevel->box.widget.window->screen);
return TWIN_FALSE;
}
void
_twin_toplevel_queue_paint (twin_widget_t *widget)
{
twin_toplevel_t *toplevel = (twin_toplevel_t *) widget;
if (!toplevel->box.widget.paint)
{
toplevel->box.widget.paint = TWIN_TRUE;
twin_set_work (_twin_toplevel_paint,
TWIN_WORK_PAINT,
toplevel);
}
}
static twin_bool_t
_twin_toplevel_layout (void *closure)
{
twin_toplevel_t *toplevel = closure;
twin_event_t ev;
twin_window_t *window = toplevel->box.widget.window;
ev.kind = TwinEventQueryGeometry;
(*toplevel->box.widget.dispatch) (&toplevel->box.widget, &ev);
ev.kind = TwinEventConfigure;
ev.u.configure.extents.left = 0;
ev.u.configure.extents.top = 0;
ev.u.configure. extents.right = window->client.right - window->client.left;
ev.u.configure.extents.bottom =window->client.bottom - window->client.top;
(*toplevel->box.widget.dispatch) (&toplevel->box.widget, &ev);
return TWIN_FALSE;
}
void
_twin_toplevel_queue_layout (twin_widget_t *widget)
{
twin_toplevel_t *toplevel = (twin_toplevel_t *) widget;
if (!toplevel->box.widget.layout)
{
toplevel->box.widget.layout = TWIN_TRUE;
twin_set_work (_twin_toplevel_layout,
TWIN_WORK_LAYOUT,
toplevel);
_twin_toplevel_queue_paint (widget);
}
}
void
twin_toplevel_show (twin_toplevel_t *toplevel)
{
_twin_toplevel_layout (toplevel);
_twin_toplevel_paint (toplevel);
twin_window_show (toplevel->box.widget.window);
}
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