553 lines
12 KiB
C
553 lines
12 KiB
C
/*
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* File : window.c
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2009-10-04 Bernard first version
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*/
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#include <rtgui/dc.h>
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#include <rtgui/color.h>
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#include <rtgui/image.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/window.h>
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#include <rtgui/widgets/button.h>
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#include <rtgui/widgets/workbench.h>
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static void _rtgui_win_constructor(rtgui_win_t *win)
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{
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/* init window attribute */
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win->on_activate = RT_NULL;
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win->on_deactivate = RT_NULL;
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win->on_close = RT_NULL;
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win->title = RT_NULL;
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/* set window hide */
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RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
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/* set window style */
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win->style = RTGUI_WIN_STYLE_DEFAULT;
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rtgui_widget_set_event_handler(RTGUI_WIDGET(win), rtgui_win_event_handler);
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/* init user data */
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win->user_data = 0;
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}
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static void _rtgui_win_destructor(rtgui_win_t* win)
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{
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struct rtgui_event_win_destroy edestroy;
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if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
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{
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/* destroy in server */
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RTGUI_EVENT_WIN_DESTROY_INIT(&edestroy);
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edestroy.wid = win;
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if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&edestroy),
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sizeof(struct rtgui_event_win_destroy)) != RT_EOK)
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{
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/* destroy in server failed */
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return;
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}
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}
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/* release field */
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rt_free(win->title);
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}
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static rt_bool_t _rtgui_win_create_in_server(rtgui_win_t* win)
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{
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if (RTGUI_TOPLEVEL(win)->server == RT_NULL)
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{
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rt_thread_t server;
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struct rtgui_event_win_create ecreate;
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RTGUI_EVENT_WIN_CREATE_INIT(&ecreate);
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/* get server thread id */
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server = rtgui_thread_get_server();
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if (server == RT_NULL)
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{
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rt_kprintf("RTGUI server is not running...\n");
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return RT_FALSE;
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}
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/* send win create event to server */
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ecreate.wid = win;
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ecreate.extent = RTGUI_WIDGET(win)->extent;
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ecreate.flag = win->style;
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ecreate.mask = 0;
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rt_strncpy((char*)ecreate.title, (char*)win->title, RTGUI_NAME_MAX);
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if (rtgui_thread_send_sync(server, RTGUI_EVENT(&ecreate),
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sizeof(struct rtgui_event_win_create)) != RT_EOK)
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{
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rt_kprintf("create win: %s failed\n", win->title);
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return RT_FALSE;
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}
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/* set server */
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RTGUI_TOPLEVEL(win)->server = server;
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}
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return RT_TRUE;
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}
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rtgui_type_t *rtgui_win_type_get(void)
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{
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static rtgui_type_t *win_type = RT_NULL;
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if (!win_type)
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{
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win_type = rtgui_type_create("win", RTGUI_TOPLEVEL_TYPE,
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sizeof(rtgui_win_t),
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RTGUI_CONSTRUCTOR(_rtgui_win_constructor),
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RTGUI_DESTRUCTOR(_rtgui_win_destructor));
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}
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return win_type;
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}
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rtgui_win_t* rtgui_win_create(rtgui_toplevel_t* parent_toplevel, const char* title, rtgui_rect_t *rect, rt_uint32_t style)
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{
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struct rtgui_win* win;
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/* allocate win memory */
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win = (struct rtgui_win*) rtgui_widget_create (RTGUI_WIN_TYPE);
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if (win != RT_NULL)
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{
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/* set parent toplevel */
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win->parent_toplevel = parent_toplevel;
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/* set title, rect and style */
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if (title != RT_NULL) win->title = rt_strdup(title);
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else win->title = RT_NULL;
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rtgui_widget_set_rect(RTGUI_WIDGET(win), rect);
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win->style = style;
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if (_rtgui_win_create_in_server(win) == RT_FALSE)
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{
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rtgui_widget_destroy(RTGUI_WIDGET(win));
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return RT_NULL;
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}
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}
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return win;
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}
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void rtgui_win_destroy(struct rtgui_win* win)
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{
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if (win->parent_toplevel != RT_NULL)
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{
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if (win->style & RTGUI_WIN_STYLE_MODAL)
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{
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/* exit modal mode */
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win->style &= ~RTGUI_WIN_STYLE_MODAL;
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/* set style to closed */
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win->style |= RTGUI_WIN_STYLE_CLOSED;
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}
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else rtgui_widget_destroy(RTGUI_WIDGET(win));
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}
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else if (win->style & RTGUI_WIN_STYLE_CLOSED)
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{
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rtgui_widget_destroy(RTGUI_WIDGET(win));
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}
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else
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{
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/* exit modal mode */
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win->style &= ~RTGUI_WIN_STYLE_MODAL;
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/* set style to closed */
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win->style |= RTGUI_WIN_STYLE_CLOSED;
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}
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}
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rtgui_modal_code_t rtgui_win_show(struct rtgui_win* win, rt_bool_t is_modal)
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{
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rtgui_modal_code_t result;
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RT_ASSERT(win != RT_NULL);
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result = RTGUI_MODAL_CANCEL;
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/* if it does not register into server, create it in server */
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if (RTGUI_TOPLEVEL(win)->server == RT_NULL)
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{
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if (_rtgui_win_create_in_server(win) == RT_FALSE)
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return result;
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}
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if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
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{
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/* send show message to server */
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struct rtgui_event_win_show eshow;
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RTGUI_EVENT_WIN_SHOW_INIT(&eshow);
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eshow.wid = win;
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if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&eshow),
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sizeof(struct rtgui_event_win_show)) != RT_EOK)
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{
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/* hide window failed */
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return result;
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}
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/* set window unhidden */
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RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(win));
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}
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else rtgui_widget_update(RTGUI_WIDGET(win));
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if (is_modal == RT_TRUE)
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{
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if (win->parent_toplevel != RT_NULL)
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{
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rtgui_workbench_t* workbench;
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/* get root toplevel */
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workbench = RTGUI_WORKBENCH(win->parent_toplevel);
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workbench->flag |= RTGUI_WORKBENCH_FLAG_MODAL_MODE;
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rtgui_workbench_event_loop(workbench);
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result = workbench->modal_code;
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workbench->flag &= ~RTGUI_WORKBENCH_FLAG_MODAL_MODE;
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}
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else
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{
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/* which is a root window */
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win->style |= RTGUI_WIN_STYLE_MODAL;
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rtgui_win_event_loop(win);
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result = win->modal_code;
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win->style &= ~RTGUI_WIN_STYLE_MODAL;
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}
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}
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return result;
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}
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void rtgui_win_end_modal(struct rtgui_win* win, rtgui_modal_code_t modal_code)
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{
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if (win->parent_toplevel != RT_NULL)
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{
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rtgui_workbench_t* workbench;
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/* which is shown under workbench */
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workbench = RTGUI_WORKBENCH(win->parent_toplevel);
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workbench->modal_code = modal_code;
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workbench->flag &= ~RTGUI_WORKBENCH_FLAG_MODAL_MODE;
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}
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else
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{
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/* which is a stand alone window */
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win->modal_code = modal_code;
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win->style &= ~RTGUI_WIN_STYLE_MODAL;
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}
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}
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void rtgui_win_hiden(struct rtgui_win* win)
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{
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RT_ASSERT(win != RT_NULL);
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if (!RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)) &&
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RTGUI_TOPLEVEL(win)->server != RT_NULL)
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{
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/* send hidden message to server */
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struct rtgui_event_win_hide ehide;
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RTGUI_EVENT_WIN_HIDE_INIT(&ehide);
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ehide.wid = win;
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if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&ehide),
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sizeof(struct rtgui_event_win_hide)) != RT_EOK)
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{
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rt_kprintf("hide win: %s failed\n", win->title);
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return;
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}
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/* set window hide and deactivated */
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RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
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win->style &= ~RTGUI_WIN_STYLE_ACTIVATE;
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}
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}
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rt_bool_t rtgui_win_is_activated(struct rtgui_win* win)
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{
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RT_ASSERT(win != RT_NULL);
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return win->style & RTGUI_WIN_STYLE_ACTIVATE;
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}
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void rtgui_win_move(struct rtgui_win* win, int x, int y)
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{
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struct rtgui_event_win_move emove;
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RTGUI_EVENT_WIN_MOVE_INIT(&emove);
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if (win == RT_NULL) return;
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if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
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{
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/* set win hide firstly */
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RTGUI_WIDGET_HIDE(RTGUI_WIDGET(win));
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emove.wid = win;
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emove.x = x;
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emove.y = y;
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if (rtgui_thread_send_sync(RTGUI_TOPLEVEL(win)->server, RTGUI_EVENT(&emove),
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sizeof(struct rtgui_event_win_move)) != RT_EOK)
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{
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return;
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}
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}
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/* move window to logic position */
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rtgui_widget_move_to_logic(RTGUI_WIDGET(win),
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x - RTGUI_WIDGET(win)->extent.x1,
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y - RTGUI_WIDGET(win)->extent.y1);
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/* set window visible */
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RTGUI_WIDGET_UNHIDE(RTGUI_WIDGET(win));
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return;
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}
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static rt_bool_t rtgui_win_ondraw(struct rtgui_win* win)
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{
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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struct rtgui_event_paint event;
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/* begin drawing */
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(win));
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if (dc == RT_NULL) return RT_FALSE;
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/* get window rect */
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rtgui_widget_get_rect(RTGUI_WIDGET(win), &rect);
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/* fill area */
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rtgui_dc_fill_rect(dc, &rect);
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/* paint each widget */
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RTGUI_EVENT_PAINT_INIT(&event);
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event.wid = RT_NULL;
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rtgui_container_dispatch_event(RTGUI_CONTAINER(win), (rtgui_event_t*)&event);
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rtgui_dc_end_drawing(dc);
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return RT_FALSE;
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}
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rt_bool_t rtgui_win_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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struct rtgui_win* win = (struct rtgui_win*)widget;
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RT_ASSERT((win != RT_NULL) && (event != RT_NULL));
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switch (event->type)
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{
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case RTGUI_EVENT_WIN_SHOW:
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rtgui_win_show(win, RT_FALSE);
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break;
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case RTGUI_EVENT_WIN_HIDE:
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rtgui_win_hiden(win);
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break;
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case RTGUI_EVENT_WIN_CLOSE:
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if (win->on_close != RT_NULL)
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{
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if (win->on_close(widget, event) == RT_FALSE) return RT_TRUE;
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}
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/* destroy window */
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rtgui_win_destroy(win);
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/* exit event loop */
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return RT_TRUE;
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case RTGUI_EVENT_WIN_MOVE:
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{
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struct rtgui_event_win_move* emove = (struct rtgui_event_win_move*)event;
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/* move window */
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rtgui_win_move(win, emove->x, emove->y);
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}
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break;
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case RTGUI_EVENT_WIN_ACTIVATE:
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if (RTGUI_WIDGET_IS_HIDE(RTGUI_WIDGET(win)))
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{
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rt_kprintf("activate window, but window is hide!\n");
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}
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win->style |= RTGUI_WIN_STYLE_ACTIVATE;
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if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
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else rtgui_win_ondraw(win);
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if (win->on_activate != RT_NULL)
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{
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win->on_activate(widget, event);
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}
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break;
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case RTGUI_EVENT_WIN_DEACTIVATE:
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win->style &= ~RTGUI_WIN_STYLE_ACTIVATE;
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if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
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else rtgui_win_ondraw(win);
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if (win->on_deactivate != RT_NULL)
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{
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win->on_deactivate(widget, event);
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}
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break;
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case RTGUI_EVENT_PAINT:
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if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
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else rtgui_win_ondraw(win);
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break;
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case RTGUI_EVENT_MOUSE_BUTTON:
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if (rtgui_container_dispatch_mouse_event(RTGUI_CONTAINER(win), (struct rtgui_event_mouse*)event) == RT_FALSE)
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{
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if (widget->on_mouseclick != RT_NULL)
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{
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return widget->on_mouseclick(widget, event);
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}
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}
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break;
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case RTGUI_EVENT_MOUSE_MOTION:
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#if 0
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if (rtgui_widget_dispatch_mouse_event(widget,
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(struct rtgui_event_mouse*)event) == RT_FALSE)
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{
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/* handle event in current widget */
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if (widget->on_mousemotion != RT_NULL)
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{
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return widget->on_mousemotion(widget, event);
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}
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}
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else return RT_TRUE;
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#endif
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break;
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default:
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/* call parent event handler */
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return rtgui_toplevel_event_handler(widget, event);
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}
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return RT_FALSE;
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}
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/* windows event loop */
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void rtgui_win_event_loop(rtgui_win_t* wnd)
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{
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/* the buffer uses to receive event */
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char event_buf[256];
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struct rtgui_event* event = (struct rtgui_event*)&event_buf[0];
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if (wnd->style & RTGUI_WIN_STYLE_MODAL)
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{
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while (wnd->style & RTGUI_WIN_STYLE_MODAL)
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{
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if (rtgui_thread_recv(event, sizeof(event_buf)) == RT_EOK)
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{
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/* perform event handler */
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RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
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}
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}
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}
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else
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{
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while (!(wnd->style & RTGUI_WIN_STYLE_CLOSED))
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{
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if (rtgui_thread_recv(event, sizeof(event_buf)) == RT_EOK)
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{
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/* perform event handler */
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RTGUI_WIDGET(wnd)->event_handler(RTGUI_WIDGET(wnd), event);
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}
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}
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}
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/* destroy window */
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rtgui_widget_destroy(RTGUI_WIDGET(wnd));
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}
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void rtgui_win_set_rect(rtgui_win_t* win, rtgui_rect_t* rect)
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{
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struct rtgui_event_win_resize event;
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if (win == RT_NULL || rect == RT_NULL) return;
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RTGUI_WIDGET(win)->extent = *rect;
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if (RTGUI_TOPLEVEL(win)->server != RT_NULL)
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{
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/* set window resize event to server */
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RTGUI_EVENT_WIN_RESIZE_INIT(&event);
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event.wid = win;
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event.rect = *rect;
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rtgui_thread_send(RTGUI_TOPLEVEL(win)->server, &(event.parent), sizeof(struct rtgui_event_win_resize));
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}
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}
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void rtgui_win_set_box(rtgui_win_t* win, rtgui_box_t* box)
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{
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if (win == RT_NULL || box == RT_NULL) return;
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rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(box));
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rtgui_widget_set_rect(RTGUI_WIDGET(box), &(RTGUI_WIDGET(win)->extent));
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}
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void rtgui_win_set_onactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler)
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{
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if (win != RT_NULL)
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{
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win->on_activate = handler;
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}
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}
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void rtgui_win_set_ondeactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler)
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{
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if (win != RT_NULL)
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{
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win->on_deactivate = handler;
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}
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}
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void rtgui_win_set_onclose(rtgui_win_t* win, rtgui_event_handler_ptr handler)
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{
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if (win != RT_NULL)
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{
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win->on_close = handler;
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}
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}
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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;
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|
}
|
|
|
|
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;
|
|
}
|