155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/*
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* File : rtgui_demo.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2008 - 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2017-11-8 Tangyuxin first version
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*/
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#include <rtthread.h>
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// #define DEBUG
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#ifdef DEBUG
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#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__)
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#else
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#define DEBUG_PRINTF(...)
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#endif
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#ifdef RT_USING_GUIENGINE
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#include <rtgui/rtgui.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/rtgui_app.h>
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#include <rtgui/widgets/window.h>
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#include <rtgui/dc.h>
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struct rtgui_win *main_win;
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rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event);
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static void rt_gui_demo_entry(void *parameter)
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{
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struct rtgui_app *app;
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DEBUG_PRINTF("gui demo entry\n");
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/* create gui app */
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app = rtgui_app_create("gui_demo");
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if (app == RT_NULL)
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{
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DEBUG_PRINTF("rtgui_app_create faild\n");
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return;
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}
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/* create main window */
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main_win = rtgui_mainwin_create(RT_NULL,
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"UiWindow", RTGUI_WIN_STYLE_NO_TITLE | RTGUI_WIN_STYLE_NO_BORDER);
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if (main_win == RT_NULL)
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{
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DEBUG_PRINTF("main_win is null\n");
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rtgui_app_destroy(app);
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return;
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}
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rtgui_object_set_event_handler(RTGUI_OBJECT(main_win), dc_event_handler);
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DEBUG_PRINTF("rtgui_win_show\n");
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rtgui_win_show(main_win, RT_FALSE);
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DEBUG_PRINTF("rtgui_app_run\n");
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rtgui_app_run(app);
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DEBUG_PRINTF("rtgui_win_destroy\n");
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rtgui_win_destroy(main_win);
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DEBUG_PRINTF("rtgui_app_destroy\n");
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rtgui_app_destroy(app);
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}
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rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event)
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{
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struct rtgui_widget *widget = RTGUI_WIDGET(object);
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if (event->type == RTGUI_EVENT_PAINT)
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{
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struct rtgui_dc *dc;
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rtgui_rect_t rect;
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rt_kprintf("\r\n RTGUI_EVENT_PAINT \r\n");
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rtgui_win_event_handler(RTGUI_OBJECT(widget), event);
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rtgui_widget_get_rect(widget, &rect);
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DEBUG_PRINTF("widget react x1: %d, y1: %d, x2: %d, y2: %d\r\n",
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rect.x1, rect.y1, rect.x2, rect.y2);
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dc = rtgui_dc_begin_drawing(widget);
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if(dc == RT_NULL)
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{
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DEBUG_PRINTF("\r\n dc is null \r\n");
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return RT_FALSE;
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}
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rtgui_dc_draw_line(dc, rect.x1, rect.y1, rect.x2, rect.y2);
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rtgui_dc_draw_line(dc, rect.x1, rect.y2, rect.x2, rect.y1);
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rect.x1 += (rect.x2 - rect.x1) / 2;
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rect.y1 += (rect.y2 - rect.y1) / 2;
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rtgui_dc_draw_text_stroke(dc, __DATE__"--"__TIME__, &rect, HIGH_LIGHT, BLUE);
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rtgui_dc_end_drawing(dc,RT_TRUE);
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}
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return RT_FALSE;
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}
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int rt_gui_demo_init(void)
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{
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rt_thread_t tid;
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rt_device_t device;
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rt_err_t err;
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device = rt_device_find("lcd");
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if(device == RT_NULL)
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{
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rt_kprintf("Not found LCD driver\n");
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return RT_ERROR;
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}
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err = rt_device_open(device, RT_DEVICE_OFLAG_RDWR);
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if (err != RT_EOK)
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{
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rt_kprintf("Open LCD driver fail\n");
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return RT_ERROR;
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}
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/* set graphic device */
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rtgui_graphic_set_device(device);
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tid = rt_thread_create("mygui",
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rt_gui_demo_entry, RT_NULL,
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2048, 25, 10);
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if (tid != RT_NULL)
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rt_thread_startup(tid);
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return 0;
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}
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INIT_APP_EXPORT(rt_gui_demo_init);
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#endif /* RT_USING_GUIENGINE */
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