Add theme option to config system.

config/config.c

@@ -128,4 +128,5 @@ Settings config = {
     .window_format     = "{w}   {c}   {t}",
     .click_to_exit     = TRUE,
     .show_match        = TRUE,
+    .theme             = NULL,
 };

include/settings.h

@@ -149,6 +149,8 @@ typedef struct
     /** Click outside the window to exit */
     int            click_to_exit;
     gboolean       show_match;
+
+    char           *theme;
 } Settings;
 /** Global Settings structure. */
 extern Settings config;

source/rofi.c

@@ -898,9 +898,8 @@ int main ( int argc, char *argv[] )
     // Parse command line for settings, independent of other -no-config.
     config_parse_cmd_options_dynamic (  );
 
-    char *theme = NULL;
-    if ( find_arg_str ( "-theme", &theme ) > 0 ){
-        rofi_theme_parse_file ( theme );
+    if ( config.theme ) {
+        rofi_theme_parse_file ( config.theme );
         rofi_theme_print ( rofi_theme );
     }
 

source/xrmoptions.c

@@ -194,6 +194,8 @@ static XrmOption xrmOptions[] = {
       "Click outside the window to exit", CONFIG_DEFAULT },
     { xrm_Boolean, "show-match",        { .snum = &config.show_match           }, NULL,
       "Indicate how it match by underlining it.", CONFIG_DEFAULT },
+    { xrm_String,  "theme",             { .str = &config.theme                 }, NULL,
+      "New style theme file" },
 };
 
 /** Dynamic array of extra options */