349 lines
8.7 KiB
C
Executable File
349 lines
8.7 KiB
C
Executable File
#include <rtthread.h>
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#ifdef _WIN32
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#include <sdl.h>
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#else
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#include <SDL/SDL.h>
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#endif
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#include <rtdevice.h>
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#include <rtgui/driver.h>
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#define SDL_SCREEN_WIDTH 800
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#define SDL_SCREEN_HEIGHT 480
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struct sdlfb_device
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{
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struct rt_device parent;
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SDL_Surface *screen;
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rt_uint16_t width;
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rt_uint16_t height;
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};
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struct sdlfb_device _device;
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/* common device interface */
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static rt_err_t sdlfb_init(rt_device_t dev)
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{
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return RT_EOK;
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}
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static rt_err_t sdlfb_open(rt_device_t dev, rt_uint16_t oflag)
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{
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return RT_EOK;
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}
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static rt_err_t sdlfb_close(rt_device_t dev)
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{
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SDL_Quit();
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return RT_EOK;
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}
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static rt_mutex_t sdllock;
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static rt_err_t sdlfb_control(rt_device_t dev, rt_uint8_t cmd, void *args)
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{
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struct sdlfb_device *device;
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rt_mutex_take(sdllock, RT_WAITING_FOREVER);
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device = (struct sdlfb_device *)dev;
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RT_ASSERT(device != RT_NULL);
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RT_ASSERT(device->screen != RT_NULL);
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switch (cmd)
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{
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case RTGRAPHIC_CTRL_GET_INFO:
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{
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struct rt_device_graphic_info *info;
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info = (struct rt_device_graphic_info *) args;
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info->bits_per_pixel = 16;
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info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565P;
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info->framebuffer = device->screen->pixels;
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info->width = device->screen->w;
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info->height = device->screen->h;
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}
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break;
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case RTGRAPHIC_CTRL_RECT_UPDATE:
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{
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struct rt_device_rect_info *rect;
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rect = (struct rt_device_rect_info *)args;
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/* SDL_UpdateRect(_device.screen, rect->x, rect->y, rect->x + rect->w, rect->y + rect->h); */
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SDL_UpdateRect(_device.screen, 0, 0, device->width, device->height);
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}
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break;
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case RTGRAPHIC_CTRL_SET_MODE:
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{
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#if 0
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struct rt_device_rect_info *rect;
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rect = (struct rt_device_rect_info *)args;
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if ((_device.width == rect->width) && (_device.height == rect->height)) return -RT_ERROR;
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_device.width = rect->width;
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_device.height = rect->height;
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if (_device.screen != RT_NULL)
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{
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SDL_FreeSurface(_device.screen);
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/* re-create screen surface */
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_device.screen = SDL_SetVideoMode(_device.width, _device.height, 16, SDL_SWSURFACE | SDL_DOUBLEBUF);
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if (_device.screen == NULL)
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{
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fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
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exit(1);
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}
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SDL_WM_SetCaption("RT-Thread/GUI Simulator", NULL);
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}
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#endif
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}
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break;
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}
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rt_mutex_release(sdllock);
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return RT_EOK;
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}
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static void sdlfb_hw_init(void)
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{
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/* set video driver for VC++ debug */
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//_putenv("SDL_VIDEODRIVER=windib");
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//if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER | SDL_INIT_AUDIO) < 0)
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if (SDL_Init(SDL_INIT_VIDEO) < 0)
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{
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fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
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exit(1);
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}
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_device.parent.init = sdlfb_init;
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_device.parent.open = sdlfb_open;
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_device.parent.close = sdlfb_close;
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_device.parent.read = RT_NULL;
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_device.parent.write = RT_NULL;
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_device.parent.control = sdlfb_control;
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_device.width = SDL_SCREEN_WIDTH;
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_device.height = SDL_SCREEN_HEIGHT;
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_device.screen = SDL_SetVideoMode(_device.width, _device.height, 16, SDL_SWSURFACE | SDL_DOUBLEBUF);
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if (_device.screen == NULL)
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{
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fprintf(stderr, "Couldn't set video mode: %s\n", SDL_GetError());
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exit(1);
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}
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SDL_WM_SetCaption("RT-Thread/GUI Simulator", NULL);
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rt_device_register(RT_DEVICE(&_device), "sdl", RT_DEVICE_FLAG_RDWR);
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sdllock = rt_mutex_create("fb", RT_IPC_FLAG_FIFO);
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}
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#else
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#include <pthread.h>
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#include <signal.h>
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#endif
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#include <stdio.h>
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#include <rtgui/event.h>
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#include <rtgui/kbddef.h>
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#include <rtgui/rtgui_server.h>
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#include <rtgui/rtgui_system.h>
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#ifdef _WIN32
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static HANDLE sdl_ok_event = NULL;
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static DWORD WINAPI sdl_loop(LPVOID lpParam)
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#else
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static void *sdl_loop(void *lpParam)
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#endif
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{
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int quit = 0;
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SDL_Event event;
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int button_state = 0;
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rt_device_t device;
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#ifndef _WIN32
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sigset_t sigmask, oldmask;
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/* set the getchar without buffer */
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sigfillset(&sigmask);
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pthread_sigmask(SIG_BLOCK, &sigmask, &oldmask);
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#endif
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sdlfb_hw_init();
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device = rt_device_find("sdl");
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rtgui_graphic_set_device(device);
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#ifdef _WIN32
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SetEvent(sdl_ok_event);
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#endif
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/* handle SDL event */
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while (!quit)
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{
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SDL_WaitEvent(&event);
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switch (event.type)
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{
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case SDL_MOUSEMOTION:
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{
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struct rtgui_event_mouse emouse;
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emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
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emouse.parent.sender = RT_NULL;
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emouse.wid = RT_NULL;
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emouse.x = ((SDL_MouseMotionEvent *)&event)->x;
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emouse.y = ((SDL_MouseMotionEvent *)&event)->y;
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/* init mouse button */
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emouse.button = button_state;
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/* send event to server */
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rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse));
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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{
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struct rtgui_event_mouse emouse;
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SDL_MouseButtonEvent *mb;
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emouse.parent.type = RTGUI_EVENT_MOUSE_BUTTON;
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emouse.parent.sender = RT_NULL;
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emouse.wid = RT_NULL;
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mb = (SDL_MouseButtonEvent *)&event;
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emouse.x = mb->x;
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emouse.y = mb->y;
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/* init mouse button */
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emouse.button = 0;
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/* set emouse button */
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if (mb->button & (1 << (SDL_BUTTON_LEFT - 1)))
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{
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emouse.button |= RTGUI_MOUSE_BUTTON_LEFT;
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}
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else if (mb->button & (1 << (SDL_BUTTON_RIGHT - 1)))
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{
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emouse.button |= RTGUI_MOUSE_BUTTON_RIGHT;
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}
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else if (mb->button & (1 << (SDL_BUTTON_MIDDLE - 1)))
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{
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emouse.button |= RTGUI_MOUSE_BUTTON_MIDDLE;
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}
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if (mb->type == SDL_MOUSEBUTTONDOWN)
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{
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emouse.button |= RTGUI_MOUSE_BUTTON_DOWN;
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button_state = emouse.button;
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}
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else
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{
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emouse.button |= RTGUI_MOUSE_BUTTON_UP;
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button_state = 0;
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}
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/* send event to server */
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rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse));
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}
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break;
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case SDL_KEYUP:
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{
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struct rtgui_event_kbd ekbd;
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ekbd.parent.type = RTGUI_EVENT_KBD;
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ekbd.parent.sender = RT_NULL;
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ekbd.type = RTGUI_KEYUP;
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ekbd.wid = RT_NULL;
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ekbd.mod = event.key.keysym.mod;
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ekbd.key = event.key.keysym.sym;
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/* FIXME: unicode */
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ekbd.unicode = 0;
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/* send event to server */
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rtgui_server_post_event(&ekbd.parent, sizeof(struct rtgui_event_kbd));
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}
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break;
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case SDL_KEYDOWN:
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{
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struct rtgui_event_kbd ekbd;
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ekbd.parent.type = RTGUI_EVENT_KBD;
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ekbd.parent.sender = RT_NULL;
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ekbd.type = RTGUI_KEYDOWN;
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ekbd.wid = RT_NULL;
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ekbd.mod = event.key.keysym.mod;
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ekbd.key = event.key.keysym.sym;
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/* FIXME: unicode */
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ekbd.unicode = 0;
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/* send event to server */
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rtgui_server_post_event(&ekbd.parent, sizeof(struct rtgui_event_kbd));
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}
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break;
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case SDL_QUIT:
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SDL_Quit();
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quit = 1;
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break;
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default:
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break;
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}
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if (quit)
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break;
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}
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//exit(0);
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return 0;
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}
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/* start sdl thread */
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void rt_hw_sdl_start(void)
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{
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#ifdef _WIN32
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HANDLE thread;
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DWORD thread_id;
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sdl_ok_event = CreateEvent(NULL,
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FALSE,
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FALSE,
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NULL);
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if (sdl_ok_event == NULL)
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{
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printf("error, create SDL event failed\n");
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exit(-1);
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}
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/* create thread that loop sdl event */
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thread = CreateThread(NULL,
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0,
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(LPTHREAD_START_ROUTINE)sdl_loop,
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0,
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CREATE_SUSPENDED,
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&thread_id);
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if (thread == NULL)
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{
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//Display Error Message
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return;
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}
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ResumeThread(thread);
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/* wait until SDL LCD device is registered and seted */
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WaitForSingleObject(sdl_ok_event, INFINITE);
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#else
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/* Linux */
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pthread_t pid;
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int res;
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res = pthread_create(&pid, NULL, &sdl_loop, NULL);
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if (res)
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{
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printf("pthread create sdl thread faild, <%d>\n", res);
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exit(EXIT_FAILURE);
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}
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#endif
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}
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