INT WINAPI
WinMain(HINSTANCE hInstance, HINSTANCE prev, LPSTR lpCmdLine, int shown)
{
LARGE_INTEGER freq;
long long start;
long long dt;
/* GUI */
struct demo_gui gui;
/* Window */
QueryPerformanceFrequency(&freq);
xw.wc.style = CS_HREDRAW|CS_VREDRAW;
xw.wc.lpfnWndProc = wnd_proc;
xw.wc.hInstance = hInstance;
xw.wc.lpszClassName = "GUI";
RegisterClass(&xw.wc);
xw.hWnd = CreateWindowEx(
0, xw.wc.lpszClassName, "Demo",
WS_OVERLAPPED|WS_CAPTION|WS_SYSMENU|WS_MINIMIZEBOX|WS_MAXIMIZEBOX|WS_VISIBLE,
CW_USEDEFAULT, CW_USEDEFAULT,
WINDOW_WIDTH, WINDOW_HEIGHT,
0, 0, hInstance, 0);
xw.hdc = GetDC(xw.hWnd);
GetClientRect(xw.hWnd, &xw.rect);
xw.backbuffer = surface_new(xw.hdc, xw.rect.right, xw.rect.bottom);
xw.font = font_new(xw.hdc, "Times New Roman", 14);
xw.width = xw.rect.right;
xw.height = xw.rect.bottom;
/* GUI */
memset(&gui, 0, sizeof gui);
zr_command_queue_init_fixed(&gui.queue, calloc(MAX_MEMORY, 1), MAX_MEMORY);
gui.font.userdata = zr_handle_ptr(&xw);
gui.font.height = (zr_float)xw.font->height;
gui.font.width = font_get_text_width;
init_demo(&gui);
while (gui.running) {
/* Input */
MSG msg;
start = timestamp(freq);
zr_input_begin(&gui.input);
while (PeekMessage(&msg, xw.hWnd, 0, 0, PM_REMOVE)) {
if (msg.message == WM_KEYDOWN) key(&gui.input, &msg, zr_true);
else if (msg.message == WM_KEYUP) key(&gui.input, &msg, zr_false);
else if (msg.message == WM_LBUTTONDOWN) btn(&gui.input, &msg, zr_true);
else if (msg.message == WM_LBUTTONUP) btn(&gui.input, &msg, zr_false);
else if (msg.message == WM_MOUSEMOVE) motion(&gui.input, &msg);
else if (msg.message == WM_CHAR) text(&gui.input, &msg);
TranslateMessage(&msg);
DispatchMessage(&msg);
}
zr_input_end(&gui.input);
/* GUI */
run_demo(&gui);
/* Draw */
surface_begin(xw.backbuffer);
surface_clear(xw.backbuffer, 100, 100, 100);
draw(xw.backbuffer, &gui.queue);
surface_end(xw.backbuffer, xw.hdc);
/* Timing */
dt = timestamp(freq) - start;
if (dt < DTIME) Sleep(DTIME - (DWORD)dt);
}
free(zr_buffer_memory(&gui.queue.buffer));
font_del(xw.font);
surface_del(xw.backbuffer);
ReleaseDC(xw.hWnd, xw.hdc);
return 0;
}
int
main(int argc, char *argv[])
{
/* Platform */
int width, height;
const char *font_path;
zr_size font_height;
SDL_Window *win;
SDL_GLContext glContext;
NVGcontext *vg = NULL;
/* GUI */
struct demo_gui gui;
if (argc < 2) {
fprintf(stdout,"Missing TTF Font file argument: gui <path>\n");
exit(EXIT_FAILURE);
}
font_path = argv[1];
font_height = 10;
/* SDL */
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
win = SDL_CreateWindow("Demo",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_OPENGL|SDL_WINDOW_SHOWN);
glContext = SDL_GL_CreateContext(win);
SDL_GetWindowSize(win, &width, &height);
/* OpenGL */
glewExperimental = 1;
if (glewInit() != GLEW_OK)
die("[GLEW] failed setup\n");
glViewport(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
/* nanovg */
vg = nvgCreateGLES2(NVG_ANTIALIAS|NVG_DEBUG);
if (!vg) die("[NVG]: failed to init\n");
nvgCreateFont(vg, "fixed", font_path);
nvgFontFace(vg, "fixed");
nvgFontSize(vg, font_height);
nvgTextAlign(vg, NVG_ALIGN_LEFT|NVG_ALIGN_MIDDLE);
/* GUI */
memset(&gui, 0, sizeof gui);
zr_command_queue_init_fixed(&gui.queue, calloc(MAX_MEMORY, 1), MAX_MEMORY);
gui.font.userdata = zr_handle_ptr(vg);
gui.font.width = font_get_width;
nvgTextMetrics(vg, NULL, NULL, &gui.font.height);
init_demo(&gui);
while (gui.running) {
/* Input */
SDL_Event evt;
zr_input_begin(&gui.input);
while (SDL_PollEvent(&evt)) {
if (evt.type == SDL_WINDOWEVENT) resize(&evt);
else if (evt.type == SDL_QUIT) goto cleanup;
else if (evt.type == SDL_KEYUP) key(&gui.input, &evt, zr_false);
else if (evt.type == SDL_KEYDOWN) key(&gui.input, &evt, zr_true);
else if (evt.type == SDL_MOUSEBUTTONDOWN) btn(&gui.input, &evt, zr_true);
else if (evt.type == SDL_MOUSEBUTTONUP) btn(&gui.input, &evt, zr_false);
else if (evt.type == SDL_MOUSEMOTION) motion(&gui.input, &evt);
else if (evt.type == SDL_TEXTINPUT) text(&gui.input, &evt);
else if (evt.type == SDL_MOUSEWHEEL)
zr_input_scroll(&gui.input,(float)evt.wheel.y);
}
zr_input_end(&gui.input);
/* GUI */
SDL_GetWindowSize(win, &width, &height);
run_demo(&gui);
/* Draw */
glClearColor(0.4f, 0.4f, 0.4f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
draw(vg, &gui.queue, width, height);
SDL_GL_SwapWindow(win);
}
cleanup:
/* Cleanup */
free(zr_buffer_memory(&gui.queue.buffer));
nvgDeleteGLES2(vg);
SDL_GL_DeleteContext(glContext);
SDL_DestroyWindow(win);
SDL_Quit();
return 0;
}
int
main(int argc, char *argv[])
{
long dt;
long started;
XWindow xw;
struct demo_gui gui;
/* Platform */
UNUSED(argc); UNUSED(argv);
memset(&xw, 0, sizeof xw);
xw.dpy = XOpenDisplay(NULL);
xw.root = DefaultRootWindow(xw.dpy);
xw.screen = XDefaultScreen(xw.dpy);
xw.vis = XDefaultVisual(xw.dpy, xw.screen);
xw.cmap = XCreateColormap(xw.dpy,xw.root,xw.vis,AllocNone);
xw.swa.colormap = xw.cmap;
xw.swa.event_mask =
ExposureMask | KeyPressMask | KeyReleaseMask |
ButtonPress | ButtonReleaseMask| ButtonMotionMask |
Button1MotionMask | Button3MotionMask | Button4MotionMask | Button5MotionMask|
PointerMotionMask;
xw.win = XCreateWindow(xw.dpy, xw.root, 0, 0, WINDOW_WIDTH, WINDOW_HEIGHT, 0,
XDefaultDepth(xw.dpy, xw.screen), InputOutput,
xw.vis, CWEventMask | CWColormap, &xw.swa);
XStoreName(xw.dpy, xw.win, "X11");
XMapWindow(xw.dpy, xw.win);
XGetWindowAttributes(xw.dpy, xw.win, &xw.attr);
xw.width = (unsigned int)xw.attr.width;
xw.height = (unsigned int)xw.attr.height;
xw.surf = surface_create(xw.dpy, xw.screen, xw.win, xw.width, xw.height);
xw.font = font_create(xw.dpy, "fixed");
/* GUI */
memset(&gui, 0, sizeof gui);
zr_command_queue_init_fixed(&gui.queue, calloc(MAX_MEMORY, 1), MAX_MEMORY);
gui.font.userdata = zr_handle_ptr(xw.font);
gui.font.height = (zr_float)xw.font->height;
gui.font.width = font_get_text_width;
init_demo(&gui);
while (gui.running) {
/* Input */
XEvent evt;
started = timestamp();
zr_input_begin(&gui.input);
while (XCheckWindowEvent(xw.dpy, xw.win, xw.swa.event_mask, &evt)) {
if (evt.type == KeyPress)
key(&xw, &gui.input, &evt, zr_true);
else if (evt.type == KeyRelease) key(&xw, &gui.input, &evt, zr_false);
else if (evt.type == ButtonPress) btn(&gui.input, &evt, zr_true);
else if (evt.type == ButtonRelease) btn(&gui.input, &evt, zr_false);
else if (evt.type == MotionNotify) motion(&gui.input, &evt);
else if (evt.type == Expose || evt.type == ConfigureNotify)
resize(&xw, xw.surf);
}
zr_input_end(&gui.input);
/* GUI */
run_demo(&gui);
/* Draw */
XClearWindow(xw.dpy, xw.win);
surface_clear(xw.surf, 0x00646464);
draw(xw.surf, &gui.queue);
surface_blit(xw.win, xw.surf, xw.width, xw.height);
XFlush(xw.dpy);
/* Timing */
dt = timestamp() - started;
if (dt < DTIME)
sleep_for(DTIME - dt);
}
free(zr_buffer_memory(&gui.queue.buffer));
font_del(xw.dpy, xw.font);
surface_del(xw.surf);
XUnmapWindow(xw.dpy, xw.win);
XFreeColormap(xw.dpy, xw.cmap);
XDestroyWindow(xw.dpy, xw.win);
XCloseDisplay(xw.dpy);
return 0;
}
