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// MIT License, Copyright (c) 2021 Marvin Borner
#include <def.h>
#include <libgui/gui.h>
#define SCALING_FACTOR 0.1
static vec2 size = { 800, 800 };
static const char *path;
static void mousemove(struct gui_event_mouse *event)
{
if (event->scroll) {
size = vec2_mul(size, event->scroll < 0 ? SCALING_FACTOR + 1 : 1 - SCALING_FACTOR);
gui_fill(event->win, event->widget, GUI_LAYER_FG, COLOR_WHITE);
gui_draw_image(event->win, event->widget, GUI_LAYER_FG, vec2(0, 0), size, path);
gui_redraw_widget(event->win, event->widget);
}
}
int main(int argc, char *argv[])
{
UNUSED(argc);
UNUSED(argv);
path = "/res/test.png";
u32 win = gui_custom_window(APPNAME, vec2(0, 0), size);
u32 canvas = gui_widget(win, gui_main_widget(win), vec2(0, 0), size);
gui_fill(win, canvas, GUI_LAYER_BG, COLOR_WHITE);
gui_widget_listen(win, canvas, GUI_LISTEN_MOUSEMOVE, (u32)mousemove);
gui_redraw_window(win);
gui_loop();
return 0;
}
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