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/*
* File : rtgui_demo.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2008 - 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017-11-8 Tangyuxin first version
*/
#include <rtthread.h>
// #define DEBUG
#ifdef DEBUG
#define DEBUG_PRINTF(...) rt_kprintf(__VA_ARGS__)
#else
#define DEBUG_PRINTF(...)
#endif
#ifdef RT_USING_GUIENGINE
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/rtgui_app.h>
#include <rtgui/widgets/window.h>
#include <rtgui/dc.h>
struct rtgui_win *main_win;
rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event);
static void rt_gui_demo_entry(void *parameter)
{
struct rtgui_app *app;
DEBUG_PRINTF("gui demo entry\n");
/* create gui app */
app = rtgui_app_create("gui_demo");
if (app == RT_NULL)
{
DEBUG_PRINTF("rtgui_app_create faild\n");
return;
}
/* create main window */
main_win = rtgui_mainwin_create(RT_NULL,
"UiWindow", RTGUI_WIN_STYLE_NO_TITLE | RTGUI_WIN_STYLE_NO_BORDER);
if (main_win == RT_NULL)
{
DEBUG_PRINTF("main_win is null\n");
rtgui_app_destroy(app);
return;
}
rtgui_object_set_event_handler(RTGUI_OBJECT(main_win), dc_event_handler);
DEBUG_PRINTF("rtgui_win_show\n");
rtgui_win_show(main_win, RT_FALSE);
DEBUG_PRINTF("rtgui_app_run\n");
rtgui_app_run(app);
DEBUG_PRINTF("rtgui_win_destroy\n");
rtgui_win_destroy(main_win);
DEBUG_PRINTF("rtgui_app_destroy\n");
rtgui_app_destroy(app);
}
rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
if (event->type == RTGUI_EVENT_PAINT)
{
struct rtgui_dc *dc;
rtgui_rect_t rect;
DEBUG_PRINTF("\r\n RTGUI_EVENT_PAINT \r\n");
rtgui_win_event_handler(RTGUI_OBJECT(widget), event);
rtgui_widget_get_rect(widget, &rect);
DEBUG_PRINTF("widget react x1: %d, y1: %d, x2: %d, y2: %d\r\n",
rect.x1, rect.y1, rect.x2, rect.y2);
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
DEBUG_PRINTF("\r\n dc is null \r\n");
return RT_FALSE;
}
rtgui_dc_draw_line(dc, rect.x1, rect.y1, rect.x2, rect.y2);
rtgui_dc_draw_line(dc, rect.x1, rect.y2, rect.x2, rect.y1);
rect.x1 += (rect.x2 - rect.x1) / 2;
rect.y1 += (rect.y2 - rect.y1) / 2;
rtgui_dc_draw_text_stroke(dc, __DATE__"--"__TIME__, &rect, HIGH_LIGHT, BLUE);
rtgui_dc_end_drawing(dc,RT_TRUE);
}
return RT_FALSE;
}
int rt_gui_demo_init(void)
{
rt_thread_t tid;
rt_device_t device;
rt_err_t err;
device = rt_device_find("lcd");
if (device == RT_NULL)
{
rt_kprintf("Not found LCD driver\n");
return RT_ERROR;
}
err = rt_device_open(device, RT_DEVICE_OFLAG_RDWR);
if (err != RT_EOK)
{
rt_kprintf("Open LCD driver fail\n");
return RT_ERROR;
}
/* set graphic device */
rtgui_graphic_set_device(device);
tid = rt_thread_create("mygui",
rt_gui_demo_entry, RT_NULL,
2048, 25, 10);
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0;
}
INIT_APP_EXPORT(rt_gui_demo_init);
#endif /* RT_USING_GUIENGINE */
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