Themeplaza browser (#140)

* builds at least

* meh, multithreading will come later. or never

* movement added, and correct grid mode

* switching splash/themes when in browser mode

* closer to the actual themeplaza menu

* bring back downloading from qr

* show a download screen when downloading from browser

* fix selecting with touchscreen in browser mode

* update readme for jansson

* fix quitting with start in browser mode

* add jump menu for browser mode

* rotate is broken, add working touchscreen page changing

* allow quitting preview mode with B in browser mode

* proper way to have portlibs

* add searching

* show error when search has no results

* always free entries and icon ids

include/draw.h

@@ -47,6 +47,10 @@ typedef enum {
     INSTALL_DOWNLOAD,
     INSTALL_ENTRY_DELETE,
 
+    INSTALL_LOADING_REMOTE_THEMES,
+    INSTALL_LOADING_REMOTE_SPLASHES,
+    INSTALL_LOADING_REMOTE_PREVIEW,
+
     INSTALL_NONE,
 } InstallType;
 
@@ -84,11 +88,12 @@ void exit_screens(void);
 void throw_error(char* error, ErrorLevel level);
 bool draw_confirm(const char* conf_msg, Entry_List_s* list);
 
-void draw_preview(int preview_offset);
+void draw_preview(ssize_t previewID, int preview_offset);
 
 void draw_install(InstallType type);
 
 void draw_base_interface(void);
+void draw_grid_interface(Entry_List_s* list, Instructions_s instructions);
 void draw_interface(Entry_List_s* list, Instructions_s instructions);
 
 #endif