added theme dialog

changelog

@@ -1,4 +1,5 @@
 CVS HEAD:
+ * Added theme dialog.  started with ":theme"	
  * Added UNIT, UNDEAD_UNIT, and PLACE_IMAGE macros to utils.cfg
  * terrain improvements
   * fixed swamp transition (NW, SE) graphics

src/playlevel.cpp

@@ -391,6 +391,7 @@ LEVEL_RESULT play_level(const game_data& gameinfo, const config& game_config,
 	LOG_NG << "initializing display... " << (SDL_GetTicks() - ticks) << "\n";
 	const config dummy_cfg;
 	display gui(units,video,map,status,teams,theme_cfg != NULL ? *theme_cfg : dummy_cfg, game_config, *level);
+	theme::set_known_themes(&game_config);
 
 	LOG_NG << "done initializing display... " << (SDL_GetTicks() - ticks) << "\n";
 

src/playturn.cpp

@@ -2410,7 +2410,19 @@ void turn_info::do_command(const std::string& str)
 			}
 		} else if (teams_[index].is_ai()) {
 			teams_[index].make_human();
+		}       
+	} else if (cmd == "theme") {
+	        int action = 0;
+		std::vector<std::string> options=theme::get_known_themes();
+		std::string current_theme=_("Saved Theme Preference: ")+preferences::theme();
+		action = gui::show_dialog(gui_,NULL,"",current_theme,gui::OK_CANCEL,&options);
+		if(action >-1){
+		  preferences::set_theme(options[action]);
+		//it would be preferable for the new theme to take effect 
+		//immediately, however, this will have to do for now.
+		  gui::show_dialog(gui_,NULL,"",_("New theme will take effect on next new or loaded game."),gui::MESSAGE);
 		}
+
 	} else if(cmd == "ban") {
 		config cfg;
 		config& ban = cfg.add_child("ban");

src/theme.cpp

@@ -424,8 +424,7 @@ const std::string& theme::menu::image() const { return image_; }
 
 const std::vector<std::string>& theme::menu::items() const { return items_; }
 
-theme::theme(const config& cfg, const SDL_Rect& screen) : cfg_(resolve_rects(cfg))
-{
+theme::theme(const config& cfg, const SDL_Rect& screen):cfg_(resolve_rects(cfg)){
 	set_resolution(screen);
 }
 
@@ -553,3 +552,30 @@ const SDL_Rect& theme::mini_map_location(const SDL_Rect& screen) const
 {
 	return mini_map_.location(screen);
 }
+
+std::map<std::string, config> theme::known_themes;
+void theme::set_known_themes(const config* cfg){
+        known_themes.clear();
+        if(cfg == NULL)
+	       return;
+	const config& v = *cfg;
+	const config::child_list& known_themes_cfg = v.get_children("theme");
+	
+	for(config::child_list::const_iterator thm = known_themes_cfg.begin(); thm != known_themes_cfg.end(); ++thm) {
+	       std::string thm_name=(**thm)["name"];
+	       if(thm_name!="null" && thm_name!="editor"){
+	              known_themes[thm_name]=(**thm);
+	       }
+	}
+}
+
+std::vector<std::string> theme::get_known_themes(){
+        std::vector<std::string> names;
+ 
+
+        for(std::map<std::string, config>::iterator p_thm=known_themes.begin();p_thm!=known_themes.end();p_thm++){
+	  names.push_back(p_thm->first);
+	}
+        return(names);
+}
+

src/theme.hpp

@@ -4,6 +4,7 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <map>
 
 class config;
 
@@ -132,8 +133,13 @@ public:
 	const SDL_Rect& main_map_location(const SDL_Rect& screen) const;
 	const SDL_Rect& mini_map_location(const SDL_Rect& screen) const;
 
+        static void set_known_themes(const config* cfg);
+        static std::vector<std::string> get_known_themes();
+
 private:
-	const config& cfg_;
+        static std::map<std::string, config> theme::known_themes;
+        std::string cur_theme;
+        const config& cfg_;
 	std::vector<panel> panels_;
 	std::vector<label> labels_;
 	std::vector<menu> menus_;