Mercurial > molko
view examples/example-cursor/example-cursor.c @ 646:7e1eb7f6c049 default tip @
misc: remove .clang
author | David Demelier <markand@malikania.fr> |
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date | Sun, 04 Feb 2024 15:24:37 +0100 |
parents | 97af110e9e4d |
children |
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/* * example-cursor.c -- example on how to change cursor * * Copyright (c) 2020-2023 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 <mlk/core/core.h> #include <mlk/core/err.h> #include <mlk/core/event.h> #include <mlk/core/game.h> #include <mlk/core/key.h> #include <mlk/core/painter.h> #include <mlk/core/panic.h> #include <mlk/core/state.h> #include <mlk/core/sys.h> #include <mlk/core/util.h> #include <mlk/core/window.h> #include <mlk/ui/label.h> #include <mlk/ui/ui.h> #include <mlk/example/example.h> static char help_cursor[128]; static char help_enable[128]; static enum mlk_window_cursor cursor = MLK_WINDOW_CURSOR_ARROW; static int visible = 1; static struct mlk_label label_help_cursor = { .x = 10, .y = 10, .text = help_cursor }; static struct mlk_label label_help_enable = { .x = 10, .y = 30, .text = help_enable }; static void change(enum mlk_window_cursor cursor) { static const char *names[] = { [MLK_WINDOW_CURSOR_ARROW] = "MLK_WINDOW_CURSOR_ARROW", [MLK_WINDOW_CURSOR_EDIT] = "MLK_WINDOW_CURSOR_EDIT", [MLK_WINDOW_CURSOR_WAIT] = "MLK_WINDOW_CURSOR_WAIT", [MLK_WINDOW_CURSOR_CROSSHAIR] = "MLK_WINDOW_CURSOR_CROSSHAIR", [MLK_WINDOW_CURSOR_SIZE] = "MLK_WINDOW_CURSOR_SIZE", [MLK_WINDOW_CURSOR_NO] = "MLK_WINDOW_CURSOR_NO", [MLK_WINDOW_CURSOR_HAND] = "MLK_WINDOW_CURSOR_HAND" }; snprintf(help_cursor, sizeof (help_cursor), "Keys: <Left>/<Right> to change cursor. Current: %s", names[cursor]); mlk_window_set_cursor(cursor); } static void toggle(int enable) { visible = enable; snprintf(help_enable, sizeof (help_enable), "Keys: <Space> to toggle. Current: %s", enable ? "visible" : "hidden"); if (visible) mlk_window_set_cursor(cursor); else mlk_window_set_cursor(MLK_WINDOW_CURSOR_OFF); } static void init(void) { if (mlk_example_init("example-cursor") < 0) mlk_panic(); toggle(1); } static void handle(struct mlk_state *st, const union mlk_event *ev) { (void)st; switch (ev->type) { case MLK_EVENT_KEYDOWN: switch (ev->key.key) { case MLK_KEY_LEFT: if (cursor > 0) change(--cursor); break; case MLK_KEY_RIGHT: if (cursor + 1 < MLK_WINDOW_CURSOR_OFF) change(++cursor); break; case MLK_KEY_SPACE: toggle(!visible); break; default: break; } break; case MLK_EVENT_QUIT: mlk_game_quit(); break; default: break; } } static void draw(struct mlk_state *st) { (void)st; mlk_painter_set_color(MLK_EXAMPLE_BG); mlk_painter_clear(); mlk_label_draw(&label_help_cursor); mlk_label_draw(&label_help_enable); mlk_painter_present(); } static void run(void) { struct mlk_state state = { .handle = handle, .draw = draw }; change(cursor); mlk_game_init(); mlk_game_push(&state); mlk_game_loop(); } static void quit(void) { mlk_example_finish(); } int main(int argc, char **argv) { (void)argc; (void)argv; init(); run(); quit(); }