rt-thread-official/components/rtgui/widgets/window.c

669 lines
15 KiB
C

/*
* File : window.c
* This file is part of RTGUI in RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-10-04 Bernard first version
*/
#include <rtgui/dc.h>
#include <rtgui/color.h>
#include <rtgui/image.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/button.h>
#include <rtgui/widgets/workbench.h>
static void _rtgui_win_constructor(rtgui_win_t *win)
{
/* init window attribute */
win->on_activate = RT_NULL;
win->on_deactivate = RT_NULL;
win->on_close = RT_NULL;
win->title = RT_NULL;
win->modal_code = RTGUI_MODAL_OK;
win->modal_widget = RT_NULL;
/* set window hide */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
/* set window style */
win->style = RTGUI_WIN_STYLE_DEFAULT;
rtgui_widget_set_event_handler(RTGUI_WIDGET(win), rtgui_win_event_handler);
/* init user data */
win->user_data = 0;
}
static void _rtgui_win_destructor(rtgui_win_t* win)
{
struct rtgui_event_win_destroy edestroy;
if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
{
/* destroy in server */
RTGUI_EVENT_WIN_DESTROY_INIT(&edestroy);
edestroy.wid = win;
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&edestroy),
sizeof(struct rtgui_event_win_destroy)) != RT_EOK)
{
/* destroy in server failed */
return;
}
}
/* release field */
rt_free(win->title);
}
static rt_bool_t _rtgui_win_create_in_server(rtgui_win_t* win)
{
if (RTGUI_TOPLEVEL(win)->server == RT_NULL)
{
rt_thread_t server;
struct rtgui_event_win_create ecreate;
RTGUI_EVENT_WIN_CREATE_INIT(&ecreate);
/* get server thread id */
server = rtgui_thread_get_server();
if (server == RT_NULL)
{
rt_kprintf("RTGUI server is not running...\n");
return RT_FALSE;
}
/* send win create event to server */
ecreate.wid = win;
ecreate.parent.user = win->style;
#ifndef RTGUI_USING_SMALL_SIZE
ecreate.extent = RTGUI_WIDGET(win)->extent;
rt_strncpy((char*)ecreate.title, (char*)win->title, RTGUI_NAME_MAX);
#endif
if (rtgui_thread_send_sync(server, RTGUI_EVENT(&ecreate),
sizeof(struct rtgui_event_win_create)) != RT_EOK)
{
rt_kprintf("create win: %s failed\n", win->title);
return RT_FALSE;
}
/* set server */
RTGUI_TOPLEVEL(win)->server = server;
}
return RT_TRUE;
}
DEFINE_CLASS_TYPE(win, "win",
RTGUI_TOPLEVEL_TYPE,
_rtgui_win_constructor,
_rtgui_win_destructor,
sizeof(struct rtgui_win));
rtgui_win_t* rtgui_win_create(rtgui_toplevel_t* parent_toplevel, const char* title, rtgui_rect_t *rect, rt_uint8_t style)
{
struct rtgui_win* win;
/* allocate win memory */
win = (struct rtgui_win*) rtgui_widget_create (RTGUI_WIN_TYPE);
if (win != RT_NULL)
{
/* set parent toplevel */
win->parent_toplevel = parent_toplevel;
/* set title, rect and style */
if (title != RT_NULL) win->title = rt_strdup(title);
else win->title = RT_NULL;
rtgui_widget_set_rect(RTGUI_WIDGET(win), rect);
win->style = style;
if (_rtgui_win_create_in_server(win) == RT_FALSE)
{
rtgui_widget_destroy(RTGUI_WIDGET(win));
return RT_NULL;
}
}
return win;
}
void rtgui_win_destroy(struct rtgui_win* win)
{
if (win->style & RTGUI_WIN_STYLE_MODAL)
{
/* end modal */
rtgui_win_end_modal(win, RTGUI_MODAL_CANCEL);
}
else
{
rtgui_widget_destroy(RTGUI_WIDGET(win));
}
}
void rtgui_win_close(struct rtgui_win* win)
{
win->style |= RTGUI_WIN_STYLE_CLOSED;
}
rtgui_modal_code_t rtgui_win_show(struct rtgui_win* win, rt_bool_t is_modal)
{
rtgui_modal_code_t result;
RT_ASSERT(win != RT_NULL);
result = RTGUI_MODAL_CANCEL;
/* if it does not register into server, create it in server */
if (RTGUI_TOPLEVEL(win)->server == RT_NULL)
{
if (_rtgui_win_create_in_server(win) == RT_FALSE)
return result;
}
if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
{
/* send show message to server */
struct rtgui_event_win_show eshow;
RTGUI_EVENT_WIN_SHOW_INIT(&eshow);
eshow.wid = win;
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&eshow),
sizeof(struct rtgui_event_win_show)) != RT_EOK)
{
/* hide window failed */
return result;
}
/* set window unhidden */
RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(win));
}
else rtgui_widget_update(RTGUI_WIDGET(win));
if (is_modal == RT_TRUE)
{
if (win->parent_toplevel != RT_NULL)
{
rtgui_widget_t *parent_widget;
/* set style */
win->style |= RTGUI_WIN_STYLE_MODAL;
/* get root toplevel */
parent_widget = RTGUI_WIDGET(win->parent_toplevel);
if (RTGUI_IS_WORKBENCH(parent_widget))
{
rtgui_workbench_t* workbench;
workbench = RTGUI_WORKBENCH(win->parent_toplevel);
workbench->flag |= RTGUI_WORKBENCH_FLAG_MODAL_MODE;
workbench->modal_widget = RTGUI_WIDGET(win);
rtgui_workbench_event_loop(workbench);
result = workbench->modal_code;
workbench->flag &= ~RTGUI_WORKBENCH_FLAG_MODAL_MODE;
workbench->modal_widget = RT_NULL;
}
else if (RTGUI_IS_WIN(parent_widget))
{
rtgui_win_t* parent_win;
parent_win = RTGUI_WIN(win->parent_toplevel);
parent_win->style |= RTGUI_WIN_STYLE_UNDER_MODAL;
parent_win->modal_widget = RTGUI_WIDGET(win);
rtgui_win_event_loop(parent_win);
result = parent_win->modal_code;
parent_win->style &= ~RTGUI_WIN_STYLE_UNDER_MODAL;
parent_win->modal_widget = RT_NULL;
}
}
else
{
/* which is a root window */
win->style |= RTGUI_WIN_STYLE_MODAL;
rtgui_win_event_loop(win);
result = win->modal_code;
win->style &= ~RTGUI_WIN_STYLE_MODAL;
}
}
return result;
}
void rtgui_win_end_modal(struct rtgui_win* win, rtgui_modal_code_t modal_code)
{
if (win->parent_toplevel != RT_NULL)
{
if (RTGUI_IS_WORKBENCH(win->parent_toplevel))
{
rtgui_workbench_t* workbench;
/* which is shown under workbench */
workbench = RTGUI_WORKBENCH(win->parent_toplevel);
workbench->modal_code = modal_code;
workbench->flag &= ~RTGUI_WORKBENCH_FLAG_MODAL_MODE;
}
else if (RTGUI_IS_WIN(win->parent_toplevel))
{
rtgui_win_t* parent_win;
/* which is shown under win */
parent_win = RTGUI_WIN(win->parent_toplevel);
parent_win->modal_code = modal_code;
parent_win->style &= ~RTGUI_WIN_STYLE_UNDER_MODAL;
}
}
else
{
/* which is a stand alone window */
win->modal_code = modal_code;
}
/* remove modal mode */
win->style &= ~RTGUI_WIN_STYLE_MODAL;
}
void rtgui_win_hiden(struct rtgui_win* win)
{
RT_ASSERT(win != RT_NULL);
if (!RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)) &&
RTGUI_TOPLEVEL(win)->server != RT_NULL)
{
/* send hidden message to server */
struct rtgui_event_win_hide ehide;
RTGUI_EVENT_WIN_HIDE_INIT(&ehide);
ehide.wid = win;
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&ehide),
sizeof(struct rtgui_event_win_hide)) != RT_EOK)
{
rt_kprintf("hide win: %s failed\n", win->title);
return;
}
/* set window hide and deactivated */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
win->style &= ~RTGUI_WIN_STYLE_ACTIVATE;
}
}
rt_bool_t rtgui_win_is_activated(struct rtgui_win* win)
{
RT_ASSERT(win != RT_NULL);
if (win->style & RTGUI_WIN_STYLE_ACTIVATE) return RT_TRUE;
return RT_FALSE;
}
void rtgui_win_move(struct rtgui_win* win, int x, int y)
{
struct rtgui_event_win_move emove;
RTGUI_EVENT_WIN_MOVE_INIT(&emove);
if (win == RT_NULL) return;
if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
{
/* set win hide firstly */
RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
emove.wid = win;
emove.x = x;
emove.y = y;
if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&emove),
sizeof(struct rtgui_event_win_move)) != RT_EOK)
{
return;
}
}
/* move window to logic position */
rtgui_widget_move_to_logic(RTGUI_WIDGET(win),
x - RTGUI_WIDGET(win)->extent.x1,
y - RTGUI_WIDGET(win)->extent.y1);
/* set window visible */
RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(win));
return;
}
static rt_bool_t rtgui_win_ondraw(struct rtgui_win* win)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
struct rtgui_event_paint event;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(win));
if (dc == RT_NULL) return RT_FALSE;
/* get window rect */
rtgui_widget_get_rect(RTGUI_WIDGET(win), &rect);
/* fill area */
rtgui_dc_fill_rect(dc, &rect);
/* paint each widget */
RTGUI_EVENT_PAINT_INIT(&event);
event.wid = RT_NULL;
rtgui_container_dispatch_event(RTGUI_CONTAINER(win), (rtgui_event_t*)&event);
rtgui_dc_end_drawing(dc);
return RT_FALSE;
}
rt_bool_t rtgui_win_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
struct rtgui_win* win = (struct rtgui_win*)widget;
RT_ASSERT((win != RT_NULL) && (event != RT_NULL));
switch (event->type)
{
case RTGUI_EVENT_WIN_SHOW:
rtgui_win_show(win, RT_FALSE);
break;
case RTGUI_EVENT_WIN_HIDE:
rtgui_win_hiden(win);
break;
case RTGUI_EVENT_WIN_CLOSE:
if (win->on_close != RT_NULL)
{
if (win->on_close(widget, event) == RT_FALSE) return RT_TRUE;
}
if (win->style & RTGUI_WIN_STYLE_MODAL)
{
rtgui_win_end_modal(win, RTGUI_MODAL_CANCEL);
}
else
{
/* destroy window */
rtgui_win_destroy(win);
}
/* exit event loop */
return RT_TRUE;
case RTGUI_EVENT_WIN_MOVE:
{
struct rtgui_event_win_move* emove = (struct rtgui_event_win_move*)event;
/* move window */
rtgui_win_move(win, emove->x, emove->y);
}
break;
case RTGUI_EVENT_WIN_ACTIVATE:
if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
{
/* activate a hide window */
return RT_TRUE;
}
win->style |= RTGUI_WIN_STYLE_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_widget_update(RTGUI_WIDGET(win));
if (win->on_activate != RT_NULL)
{
win->on_activate(widget, event);
}
break;
case RTGUI_EVENT_WIN_DEACTIVATE:
if (win->style & RTGUI_WIN_STYLE_MODAL)
{
/* do not deactivate a modal win, re-send win-show event */
struct rtgui_event_win_show eshow;
RTGUI_EVENT_WIN_SHOW_INIT(&eshow);
eshow.wid = win;
rtgui_thread_send(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&eshow),
sizeof(struct rtgui_event_win_show));
}
else
{
win->style &= ~RTGUI_WIN_STYLE_ACTIVATE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_win_ondraw(win);
if (win->on_deactivate != RT_NULL)
{
win->on_deactivate(widget, event);
}
}
break;
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_win_ondraw(win);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if (win->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
if (win->modal_widget != RT_NULL)
return win->modal_widget->event_handler(win->modal_widget, event);
}
else if (rtgui_container_dispatch_mouse_event(RTGUI_CONTAINER(win),
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
{
return widget->on_mouseclick(widget, event);
}
#endif
}
break;
case RTGUI_EVENT_MOUSE_MOTION:
#if 0
if (rtgui_widget_dispatch_mouse_event(widget,
(struct rtgui_event_mouse*)event) == RT_FALSE)
{
#ifndef RTGUI_USING_SMALL_SIZE
/* handle event in current widget */
if (widget->on_mousemotion != RT_NULL)
{
return widget->on_mousemotion(widget, event);
}
#endif
}
else return RT_TRUE;
#endif
break;
case RTGUI_EVENT_KBD:
if (win->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
if (win->modal_widget != RT_NULL)
return win->modal_widget->event_handler(win->modal_widget, event);
}
else if (RTGUI_CONTAINER(win)->focused != widget)
{
RTGUI_CONTAINER(win)->focused->event_handler(RTGUI_CONTAINER(win)->focused, event);
}
break;
default:
/* call parent event handler */
return rtgui_toplevel_event_handler(widget, event);
}
return RT_FALSE;
}
/* windows event loop */
void rtgui_win_event_loop(rtgui_win_t* wnd)
{
rt_err_t result;
rtgui_thread_t* tid;
struct rtgui_event* event;
tid = rtgui_thread_self();
RT_ASSERT(tid != RT_NULL);
/* point to event buffer */
event = (struct rtgui_event*)tid->event_buffer;
if (wnd->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
while (wnd->style & RTGUI_WIN_STYLE_UNDER_MODAL)
{
if (tid->on_idle != RT_NULL)
{
result = rtgui_thread_recv_nosuspend(event, RTGUI_EVENT_BUFFER_SIZE);
if (result == RT_EOK)
{
/* perform event handler */
RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
}
else if (result == -RT_ETIMEOUT)
{
tid->on_idle(RTGUI_WIDGET(wnd), RT_NULL);
}
}
else
{
result = rtgui_thread_recv(event, RTGUI_EVENT_BUFFER_SIZE);
if (result == RT_EOK)
{
/* perform event handler */
RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
}
}
}
}
else
{
while (!(wnd->style & RTGUI_WIN_STYLE_CLOSED))
{
if (tid->on_idle != RT_NULL)
{
result = rtgui_thread_recv_nosuspend(event, RTGUI_EVENT_BUFFER_SIZE);
if (result == RT_EOK)
{
/* perform event handler */
RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
}
else if (result == -RT_ETIMEOUT)
{
tid->on_idle(RTGUI_WIDGET(wnd), RT_NULL);
}
}
else
{
result = rtgui_thread_recv(event, RTGUI_EVENT_BUFFER_SIZE);
if (result == RT_EOK)
{
/* perform event handler */
RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
}
}
}
}
/* destroy window */
rtgui_widget_destroy(RTGUI_WIDGET(wnd));
}
void rtgui_win_set_rect(rtgui_win_t* win, rtgui_rect_t* rect)
{
struct rtgui_event_win_resize event;
if (win == RT_NULL || rect == RT_NULL) return;
RTGUI_WIDGET(win)->extent = *rect;
if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
{
/* set window resize event to server */
RTGUI_EVENT_WIN_RESIZE_INIT(&event);
event.wid = win;
event.rect = *rect;
rtgui_thread_send(RTGUI_TOPLEVEL(win)->server, &(event.parent), sizeof(struct rtgui_event_win_resize));
}
}
#ifndef RTGUI_USING_SMALL_SIZE
void rtgui_win_set_box(rtgui_win_t* win, rtgui_box_t* box)
{
if (win == RT_NULL || box == RT_NULL) return;
rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(box));
rtgui_widget_set_rect(RTGUI_WIDGET(box), &(RTGUI_WIDGET(win)->extent));
}
#endif
void rtgui_win_set_onactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler)
{
if (win != RT_NULL)
{
win->on_activate = handler;
}
}
void rtgui_win_set_ondeactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler)
{
if (win != RT_NULL)
{
win->on_deactivate = handler;
}
}
void rtgui_win_set_onclose(rtgui_win_t* win, rtgui_event_handler_ptr handler)
{
if (win != RT_NULL)
{
win->on_close = handler;
}
}
void rtgui_win_set_title(rtgui_win_t* win, const char *title)
{
/* send title to server */
if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
{
}
/* modify in local side */
if (win->title != RT_NULL)
{
rtgui_free(win->title);
win->title = RT_NULL;
}
if (title != RT_NULL)
{
win->title = rt_strdup(title);
}
}
char* rtgui_win_get_title(rtgui_win_t* win)
{
RT_ASSERT(win != RT_NULL);
return win->title;
}