Major rewrite: less repetition (#101)

* first step of rewriting: at least it compiles™

* fix tabs/spaces

* fix dabort on load

* fix preview crash

* sorting isnt done outside of loading

* step one of making remake_file useless

* camera/qr code cleanup

* fix dabort when folder is empty, and bring back preview optimization

* fix button for switching modes and show mode when folder is empty

* fix scanning qrs

* no more splash discrimination

* add debug helpers

* fix theme installing
turns out that wasnt such a good idea

* fix battery icon

* mistake

* themeplaza compatibility

* make use of load_data

* don't drink and copy-paste, kids

* fix user-agent

* remove useless

* cleanup includes

* not even used

* add splash buttons

* upgrade buttons drawing

* fix controls while preview is up

* improve positions

include/themes.h

@@ -28,33 +28,12 @@
 #define THEMES_H
 
 #include "common.h"
+#include "loading.h"
 
-typedef struct {
-    u16 name[0x41];
-    u16 desc[0x81];
-    u16 author[0x41];
-    
-    u32 placeholder_color;
-    ssize_t icon_id;
-    
-    bool has_preview;
-    int preview_offset;
-    
-    u16 path[0x106];
-    bool is_zip;
-    
-    bool in_shuffle;
-} Theme_s;
+void delete_theme(Entry_s theme);
+Result theme_install(Entry_s theme);
 
-Theme_s * themes_list;
-int theme_count;
-
-void load_theme_preview(Theme_s *theme);
-Result get_themes(Theme_s **themes_list, int *theme_count);
-int themecmp(const void* a, const void* b);
-void del_theme(u16 *path);
-Result single_install(Theme_s theme);
-Result shuffle_install(Theme_s *themes_list, int theme_count);
-Result bgm_install(Theme_s bgm_to_install);
+Result shuffle_install(Entry_s* themes_list, int themes_count);
+Result bgm_install(Entry_s bgm_to_install);
 
 #endif