Add basic theme support

multirom_ui_themes.c

@@ -0,0 +1,42 @@
+#include "multirom_ui.h"
+#include "multirom_ui_themes.h"
+#include "multirom.h"
+#include "util.h"
+
+multirom_themes_info *multirom_ui_init_themes(void)
+{
+    multirom_themes_info *i = mzalloc(sizeof(multirom_themes_info));
+
+    i->data = mzalloc(sizeof(multirom_theme_data));
+    i->data->selected_tab = -1;
+
+#ifdef MULTIROM_THEME_800x1280
+    list_add(init_theme_info_800x1280(), &i->themes);
+#endif
+
+    return i;
+}
+
+void multirom_ui_free_themes(multirom_themes_info *i)
+{
+    list_clear(&i->themes, &free);
+    free(i->data);
+    free(i);
+}
+
+multirom_theme *multirom_ui_select_theme(multirom_themes_info *i, int w, int h)
+{
+    if(i->themes == NULL)
+        return NULL;
+
+    multirom_theme **itr;
+    for(itr = i->themes; *itr; ++itr)
+    {
+        if((*itr)->width == w && (*itr)->height == h)
+        {
+            (*itr)->data = i->data;
+            return *itr;
+        }
+    }
+    return NULL;
+}