66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#include <SDL2/SDL.h>
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#include <emscripten.h>
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#include <emscripten/bind.h>
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#include <iostream>
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#include <lvgl/lvgl.h>
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#include <stdlib.h>
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#include <unistd.h>
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using namespace emscripten;
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void setCanvasSize(int width, int height) {
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std::cout << "canvas size: " << width << "*" << height << std::endl;
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}
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EMSCRIPTEN_BINDINGS(lvglapp) {
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function("setCanvasSize", &setCanvasSize);
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}
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int monitor_hor_res, monitor_ver_res;
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static void hal_init(void);
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extern "C" {
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void lv_demo_widgets(void);
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void do_loop();
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}
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int main(int argc, char **argv) {
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monitor_hor_res = atoi(argv[1]);
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monitor_ver_res = atoi(argv[2]);
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printf("Starting with screen resolution of %dx%d px\n", monitor_hor_res, monitor_ver_res);
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lv_init();
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hal_init();
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lv_demo_widgets();
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emscripten_set_main_loop(do_loop, -1, true);
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return 0;
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}
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void do_loop() {
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/* Periodically call the lv_task handler.
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* It could be done in a timer interrupt or an OS task too.*/
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lv_task_handler();
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}
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static void hal_init(void) {
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lv_display_t *disp = lv_sdl_window_create(monitor_hor_res, monitor_ver_res);
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lv_group_t *g = lv_group_create();
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lv_group_set_default(g);
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lv_sdl_mouse_create();
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lv_sdl_mousewheel_create();
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lv_sdl_keyboard_create();
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lv_indev_t *mouse = lv_sdl_mouse_create();
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lv_indev_set_group(mouse, lv_group_get_default());
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lv_indev_t *mousewheel = lv_sdl_mousewheel_create();
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lv_indev_set_group(mousewheel, lv_group_get_default());
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lv_indev_t *keyboard = lv_sdl_keyboard_create();
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lv_indev_set_group(keyboard, lv_group_get_default());
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}
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