Add animation scaffolding

1 files changed, 34 insertions, 0 deletions

diff --git a/src/button.c b/src/button.c
index 7bee576..01d4e36 100644
--- a/src/button.c
+++ b/src/button.c
@@ -1,6 +1,7 @@
 #include <glib.h>
 
 #include "button.h"
+#include "log.h"
 
 Button *button_simple_create(PangoAlignment align, Color color, Color line_color)
 {
@@ -63,8 +64,41 @@ void button_set_padding(Button *btn, int padding)
 	btn->padding = padding;
 }
 
+bool button_set_animation(Button *btn, Animation *anim)
+{
+	if (btn->anim) return false;
+	btn->anim = anim;
+	return true;
+}
+
+// Wrapper for animation sources
+static gboolean anim_handler(gpointer data)
+{
+	Button *btn = data;
+	if (btn->anim->handler(btn->anim))
+		return G_SOURCE_CONTINUE;
+
+	g_free(btn->anim);
+	btn->anim = NULL;
+	return G_SOURCE_REMOVE;
+}
+
+void button_start_animation(Button *btn)
+{
+	// Maybe error out
+	if (btn->anim == NULL) {
+		log_warning("Button animation was not set");
+		return;
+	}
+
+	const int fps = 60;
+	if (btn->anim->handler(btn->anim))
+		g_timeout_add(1000 / 60, anim_handler, btn);
+}
+
 void button_destroy(Button *btn)
 {
 	if (btn->simple) g_free(CAST(btn, ButtonSimple)->text);
+	animation_destroy(btn->anim);
 	g_free(btn);
 }