Loading album art, seeking, pause/play.

1 files changed, 140 insertions, 4 deletions

diff --git a/main.c b/main.c
index 94f78b5..2b0e763 100644
--- a/main.c
+++ b/main.c
@@ -6,14 +6,44 @@
 
 Library lib;
 Player pl;
+UIButton* play_button;
+UISlider* seek_slider;
+UIImageDisplay* cover_image;
+
+void ui_update_play(void) {
+	UI_FREE(play_button->label);
+	play_button->label = UIStringCopy(
+		pl.play? "Pause": "Play",
+		-1
+	);
+	UIElementRefresh((UIElement*)play_button);
+	UIImageDisplaySetContent(
+		cover_image,
+		pl.cover,
+		album_cover_w,
+		album_cover_h,
+		album_cover_w * 4
+	);
+	UIElementRepaint((UIElement*)cover_image, 0);
+}
+
+void ui_update_seek(void) {
+	float p;
+	if (!pl.song) return;
+	p = (float)pl.cs / (float)pl.ms;
+	seek_slider->position = p;
+	UIElementRefresh((UIElement*)seek_slider);
+}
 
 int libtab_msg(
-	UIElement *el,
+	UIElement* el,
 	UIMessage msg,
 	int di,
-	void *dp
+	void* dp
 ) {
 	Song* song;
+	(void)di;
+	(void)dp;
 	if (msg == UI_MSG_TABLE_GET_ITEM) {
 		UITableGetItem *m = (UITableGetItem*)dp;
 		song = &lib.songs[lib.indices[m->index]];
@@ -56,18 +86,88 @@ int libtab_msg(
 			el->window->cursorY
 		);
 		song = &lib.songs[lib.indices[hit]];
-		init_player(&pl);
 		play_song(&pl, song);
+		ui_update_play();
+	}
+	return 0;
+}
+
+int playpause_msg(
+	UIElement* el,
+	UIMessage msg,
+	int di,
+	void* dp
+) {
+	(void)el;
+	(void)di;
+	(void)dp;
+	if (msg == UI_MSG_CLICKED) {
+		if (!pl.song) return 0;
+		pl.play = !pl.play;
+		ui_update_play();
+	}
+	return 0;
+}
+
+int start_msg(
+	UIElement* el,
+	UIMessage msg,
+	int di,
+	void* dp
+) {
+	(void)el;
+	(void)di;
+	(void)dp;
+	if (msg == UI_MSG_CLICKED) {
+		if (!pl.song) return 0;
+		play_seek(&pl, 0.0f);
+	}
+	return 0;
+}
+
+int end_msg(
+	UIElement* el,
+	UIMessage msg,
+	int di,
+	void* dp
+) {
+	(void)el;
+	(void)di;
+	(void)dp;
+	if (msg == UI_MSG_CLICKED) {
+		if (!pl.song) return 0;
+		play_seek(&pl, 1.0f);
 	}
 	return 0;
 }
 
+int seek_msg(
+	UIElement* el,
+	UIMessage msg,
+	int di,
+	void* dp
+) {
+	UISlider* sl;
+	(void)el;
+	(void)di;
+	(void)dp;
+	if (msg == UI_MSG_VALUE_CHANGED) {
+		sl = (UISlider*)el;
+		play_seek(&pl, sl->position);
+	} else if (msg == UI_MSG_ANIMATE) {
+		ui_update_seek();
+	}
+
+	return 0;
+}
+
 int prog_main(void* mem) {
 	Arena liba;
 	UIWindow* wi;
 	UISplitPane* split1, * split2, * split3;
 	UIPanel* plib, * pctrl, * plist, * pqueue;
 	UITable* libtab;
+	int r;
 	memory_init(mem);
 	init_arena(
 		&liba,
@@ -75,6 +175,7 @@ int prog_main(void* mem) {
 		library_memory_size
 	);
 	build_library(&liba, &lib, library_path);
+	init_player(&pl);
 	UIInitialise();
 	wi = UIWindowCreate(
 		0,
@@ -102,6 +203,39 @@ int prog_main(void* mem) {
 	pctrl  = UIPanelCreate(&split3->e, UI_PANEL_GRAY);
 	pctrl->gap = 5;
 	pctrl->border = UI_RECT_1(5);
+	cover_image = UIImageDisplayCreate(
+		&pctrl->e,
+		0,
+		(unsigned*)pl.cover,
+		album_cover_w,
+		album_cover_h,
+		album_cover_w
+	);
+	play_button = UIButtonCreate(
+		&pctrl->e,
+		0,
+		"Play",
+		-1
+	);
+	play_button->e.messageUser = playpause_msg;
+	UIButtonCreate(
+		&pctrl->e,
+		0,
+		"Start",
+		-1
+	)->e.messageUser = start_msg;
+	UIButtonCreate(
+		&pctrl->e,
+		0,
+		"End",
+		-1
+	)->e.messageUser = end_msg;
+	seek_slider = UISliderCreate(
+		&pctrl->e,
+		UI_ELEMENT_H_FILL
+	);
+	UIElementAnimate(&seek_slider->e, false);
+	seek_slider->e.messageUser = seek_msg;
 	
 	pqueue = UIPanelCreate(&split3->e, UI_PANEL_GRAY);
 	pqueue->gap = 5;
@@ -140,5 +274,7 @@ int prog_main(void* mem) {
 	libtab->e.messageUser = libtab_msg;
 	UITableResizeColumns(libtab);
 
-	return UIMessageLoop();
+	r = UIMessageLoop();
+	deinit_player(&pl);
+	return r;
 }