93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* 这个例子演示了如何在一个线程中创建一个win
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*/
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#include <rtthread.h>
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#include <rtgui/rtgui.h>
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#include <rtgui/event.h>
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#include <rtgui/driver.h>
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#include <rtgui/widgets/label.h>
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#include <rtgui/widgets/button.h>
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#include <rtgui/widgets/radiobox.h>
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#include <rtgui/widgets/window.h>
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static rt_bool_t demo_win_inited = RT_FALSE;
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static rt_bool_t demo_gui_win_event_handler(PVOID wdt, rtgui_event_t* event)
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{
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if(event->type == RTGUI_EVENT_PAINT)
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{
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}
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/* 其他事件使用win默认的事件处理函数处理 */
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return rtgui_win_event_handler(wdt, event);
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}
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static void gui_win_entry(void* parameter)
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{
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const struct rtgui_graphic_driver* gd = rtgui_graphic_driver_get_default();
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struct rt_messagequeue *mq;
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rtgui_win_t *win;
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rtgui_button_t *button;
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rtgui_point_t p;
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rtgui_rect_t rect = {0,0,200,180};
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rtgui_label_t *label;
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rtgui_font_t *font;
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/* 创建GUI应用需要的消息队列 */
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mq = rt_mq_create("demo_win", 256, 32, RT_IPC_FLAG_FIFO);
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/* 注册当前线程 */
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rtgui_thread_register(rt_thread_self(), mq);
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/* 窗口居中 */
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rtgui_rect_moveto(&rect, (gd->width - rtgui_rect_width(rect))/2, (gd->height - rtgui_rect_height(rect))/2);
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/* 创建窗口 */
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win = rtgui_win_create(RT_NULL,"demo_win",&rect,RTGUI_WIN_DEFAULT);
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if(win == RT_NULL) return;
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/* 取得客户区坐标零点 */
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p = rtgui_win_get_client_zero(win);
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label = rtgui_label_create(win, "hello world!", p.x+5, p.y+5, 100,25);
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font = rtgui_font_refer("asc", 12);
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RTGUI_WIDGET_FONT(label) = font;
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button = rtgui_button_create(win, "Exit", (rtgui_rect_width(rect)-50)/2,
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rtgui_rect_height(rect)-40,50,25);
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rtgui_button_set_onbutton(button,rtgui_win_close);
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rtgui_widget_set_event_handler(win, demo_gui_win_event_handler);
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rtgui_win_show(win,RT_FALSE);
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/* 执行工作台事件循环 */
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rtgui_win_event_loop(win);
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demo_win_inited = RT_FALSE;
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/* 去注册GUI线程 */
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rtgui_thread_deregister(rt_thread_self());
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rt_mq_delete(mq);
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}
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void demo_gui_win(PVOID wdt, rtgui_event_t *event)
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{
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if(demo_win_inited == RT_FALSE) /* 避免重复初始化而做的保护 */
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{
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struct rt_thread* tid;
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tid = rt_thread_create("demo_win", gui_win_entry, RT_NULL, 1024, 5, 10);
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if(tid != RT_NULL) rt_thread_startup(tid);
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demo_win_inited = RT_TRUE;
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}
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}
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