diff examples/example-cursor/example-cursor.c @ 415:a5b98db4fd87

misc: fix .hgignore too greedy
author David Demelier <markand@malikania.fr>
date Sun, 09 Oct 2022 13:53:33 +0200
parents
children 8f59201dc76b
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/example-cursor/example-cursor.c	Sun Oct 09 13:53:33 2022 +0200
@@ -0,0 +1,148 @@
+/*
+ * example-cursor.c -- example on how to change cursor
+ *
+ * Copyright (c) 2020-2022 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 struct state *states[1];
+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", "example-cursor") < 0 || ui_init() < 0)
+		panic();
+	if (window_open("Example - Cursor", W, H) < 0)
+		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_init(states, UTIL_SIZE(states));
+	game_push(&state);
+	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();
+}