Mercurial > molko
view examples/example-cursor/main.c @ 261:bfde372bf152
core: prefix utilities with util_
author | David Demelier <markand@malikania.fr> |
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date | Sun, 06 Dec 2020 23:06:34 +0100 |
parents | 76afe639fd72 |
children | 196264679079 |
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/* * example-cursor.c -- example on how to change cursor * * Copyright (c) 2020 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <stdio.h> #include <core/core.h> #include <core/event.h> #include <core/game.h> #include <core/key.h> #include <core/painter.h> #include <core/panic.h> #include <core/state.h> #include <core/sys.h> #include <core/util.h> #include <core/window.h> #include <ui/label.h> #include <ui/ui.h> #define W 1280 #define H 720 static char help_text[128]; static enum window_cursor cursor = WINDOW_CURSOR_ARROW; static struct label help = { .x = 10, .y = 10, .text = help_text, .flags = LABEL_FLAGS_SHADOW }; static void init(void) { if (!core_init("fr.malikania", "cursor") || !ui_init()) panic(); if (!window_open("Example - Cursor", W, H)) panic(); } static void change(enum window_cursor cursor) { static const char *names[] = { [WINDOW_CURSOR_ARROW] = "WINDOW_CURSOR_ARROW", [WINDOW_CURSOR_EDIT] = "WINDOW_CURSOR_EDIT", [WINDOW_CURSOR_WAIT] = "WINDOW_CURSOR_WAIT", [WINDOW_CURSOR_CROSSHAIR] = "WINDOW_CURSOR_CROSSHAIR", [WINDOW_CURSOR_SIZE] = "WINDOW_CURSOR_SIZE", [WINDOW_CURSOR_NO] = "WINDOW_CURSOR_NO", [WINDOW_CURSOR_HAND] = "WINDOW_CURSOR_HAND" }; snprintf(help_text, sizeof (help_text), "Keys: <Left>/<Right> to change cursor. Current: %s", names[cursor]); window_set_cursor(cursor); } static void handle(struct state *st, const union event *ev) { (void)st; switch (ev->type) { case EVENT_KEYDOWN: switch (ev->key.key) { case KEY_LEFT: if (cursor > 0) change(--cursor); break; case KEY_RIGHT: if (cursor + 1 < WINDOW_CURSOR_LAST) change(++cursor); break; default: break; } break; case EVENT_QUIT: game_quit(); break; default: break; } } static void draw(struct state *st) { (void)st; painter_set_color(0xebede9ff); painter_clear(); label_draw(&help); painter_present(); } static void run(void) { struct state state = { .handle = handle, .draw = draw }; change(cursor); game_switch(&state, true); game_loop(); } static void quit(void) { window_finish(); ui_finish(); core_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }