static void
btn(struct zr_input *in, XEvent *evt, zr_bool down)
{
const zr_int x = evt->xbutton.x;
const zr_int y = evt->xbutton.y;
if (evt->xbutton.button == Button1)
zr_input_button(in, ZR_BUTTON_LEFT, x, y, down);
else if (evt->xbutton.button == Button3)
zr_input_button(in, ZR_BUTTON_RIGHT, x, y, down);
else if (evt->xbutton.button == Button4)
zr_input_scroll(in, 1.0f);
else if (evt->xbutton.button == Button5)
zr_input_scroll(in, -1.0f);
}
static void zrmenu_input_mouse_movement(struct zr_context *ctx)
{
int16_t mouse_x = menu_input_mouse_state(MENU_MOUSE_X_AXIS);
int16_t mouse_y = menu_input_mouse_state(MENU_MOUSE_Y_AXIS);
zr_input_motion(ctx, mouse_x, mouse_y);
zr_input_scroll(ctx, menu_input_mouse_state(MENU_MOUSE_WHEEL_UP) -
menu_input_mouse_state(MENU_MOUSE_WHEEL_DOWN));
}
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[])
{
int x,y,width, height;
SDL_Window *win;
SDL_GLContext glContext;
NVGcontext *vg = NULL;
int running = 1;
unsigned int started;
unsigned int dt;
struct zr_user_font font;
struct file_browser browser;
const char *font_path;
int icon_sheet;
font_path = argv[1];
if (argc < 2)
die("missing argument!: <font> <icons>");
/* SDL */
SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER|SDL_INIT_EVENTS);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
win = SDL_CreateWindow("File Explorer",
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);
SDL_GetWindowPosition(win, &x, &y);
/* 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, 14);
nvgTextAlign(vg, NVG_ALIGN_LEFT|NVG_ALIGN_MIDDLE);
/* GUI */
memset(&browser, 0, sizeof browser);
font.userdata.ptr = vg;
nvgTextMetrics(vg, NULL, NULL, &font.height);
font.width = font_get_width;
file_browser_init(&browser, vg, &font, width, height);
while (running) {
/* Input */
SDL_Event evt;
started = SDL_GetTicks();
zr_input_begin(&browser.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(&browser.input, &evt, zr_false);
else if (evt.type == SDL_KEYDOWN) key(&browser.input, &evt, zr_true);
else if (evt.type == SDL_MOUSEBUTTONDOWN) btn(&browser.input, &evt, zr_true);
else if (evt.type == SDL_MOUSEBUTTONUP) btn(&browser.input, &evt, zr_false);
else if (evt.type == SDL_MOUSEMOTION) motion(&browser.input, &evt);
else if (evt.type == SDL_TEXTINPUT) text(&browser.input, &evt);
else if (evt.type == SDL_MOUSEWHEEL) zr_input_scroll(&browser.input, evt.wheel.y);
}
zr_input_end(&browser.input);
SDL_GetWindowSize(win, &width, &height);
running = file_browser_run(&browser, width, height);
/* Draw */
glClearColor(0.4f, 0.4f, 0.4f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
draw(vg, &browser.queue, width, height);
SDL_GL_SwapWindow(win);
}
cleanup:
/* Cleanup */
free(browser.memory);
nvgDeleteGLES2(vg);
SDL_GL_DeleteContext(glContext);
SDL_DestroyWindow(win);
SDL_Quit();
return 0;
}
