diff libmlk-ui/ui/label.c @ 243:71b3b7036de7

misc: lot of cleanups, - prefix libraries with libmlk, - move assets from source directories closes #2520, - prefix header guards closes #2519
author David Demelier <markand@malikania.fr>
date Sat, 28 Nov 2020 22:37:30 +0100
parents libui/ui/label.c@6992085d47fd
children 196264679079
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libmlk-ui/ui/label.c	Sat Nov 28 22:37:30 2020 +0100
@@ -0,0 +1,100 @@
+/*
+ * label.c -- GUI label
+ *
+ * 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 <assert.h>
+#include <string.h>
+
+#include <core/action.h>
+#include <core/font.h>
+#include <core/panic.h>
+#include <core/texture.h>
+
+#include "label.h"
+#include "theme.h"
+
+static void
+draw(struct action *act)
+{
+	label_draw(act->data);
+}
+
+void
+label_draw_default(const struct theme *t, const struct label *label)
+{
+	assert(t);
+	assert(label);
+
+	struct font *font;
+	struct texture tex;
+
+	font = t->fonts[THEME_FONT_INTERFACE];
+
+	/* Shadow text, only if enabled. */
+	if (label->flags & LABEL_FLAGS_SHADOW) {
+		if (!font_render(font, &tex, label->text, t->colors[THEME_COLOR_SHADOW]))
+			panic();
+
+		texture_draw(&tex, label->x + 1, label->y + 1);
+		texture_finish(&tex);
+	}
+
+	/* Normal text. */
+	if (!font_render(font, &tex, label->text, t->colors[THEME_COLOR_NORMAL]))
+		panic();
+
+	texture_draw(&tex, label->x, label->y);
+	texture_finish(&tex);
+}
+
+bool
+label_ok(const struct label *label)
+{
+	return label && label->text && strlen(label->text) > 0;
+}
+
+void
+label_query(const struct label *label, unsigned int *w, unsigned int *h)
+{
+	assert(label);
+	assert(label->text);
+
+	const struct theme *t = label->theme ? label->theme : theme_default();
+
+	if (!font_query(t->fonts[THEME_FONT_INTERFACE], label->text, w, h))
+		panic();
+}
+
+void
+label_draw(const struct label *label)
+{
+	assert(label);
+	assert(label->text);
+
+	theme_draw_label(label->theme, label);
+}
+
+void
+label_action(struct label *label, struct action *act)
+{
+	assert(label);
+	assert(act);
+
+	memset(act, 0, sizeof (*act));
+	act->data = label;
+	act->draw = draw;
+}