Add a disc menu (not quite finished yet), and continued refactoring

Makefile

@@ -8,7 +8,7 @@ all: menu
 menu.oo: menu.cpp menu.hh utils.hh font.hh Makefile
 
 gui.oo: Makefile gui.cpp gui.hh font.hh menu.hh sdl_ttf_font.hh \
-	dialogue_box.hh help_box.hh main_menu.cpp
+	dialogue_box.hh help_box.hh main_menu.cpp disc_menu.cpp
 
 utils.oo: utils.cpp utils.hh Makefile
 

disc_menu.cpp

@@ -0,0 +1,137 @@
+#include "menu.hh"
+
+class DiscView;
+class DiscMenu : public Menu
+{
+	friend class DiscView;
+
+public:
+	DiscMenu(Font *font, GuiView *parent) : Menu(font)
+	{
+		this->parent = parent;
+		this->path = NULL;
+
+		/* If nothing else: Set the default list */
+		this->setDefaultFileList();
+	}
+
+	~DiscMenu()
+	{
+		this->freeFileList();
+	}
+
+	virtual void selectCallback(int which)
+	{
+		printf("entry %d selected: %s\n", which, this->pp_msgs[which]);
+	}
+
+	void setDirectory(const char *path)
+	{
+		const char *exts[] = {".d64", ".D64", ".t64", ".T64", ".prg",
+				".PRG", ".p00", ".P00"};
+
+		this->freeFileList();
+		this->file_list = get_file_list(path, exts);
+		if (!this->file_list)
+			this->setDefaultFileList();
+		this->setText(this->file_list);
+	}
+
+	virtual void hoverCallback(int which)
+	{
+	}
+
+	virtual void escapeCallback(int which)
+	{
+		Gui::gui->exitMenu();
+	}
+
+private:
+	void setDefaultFileList()
+	{
+		this->file_list = (const char **)xmalloc(2 * sizeof(char*));
+		this->file_list[0] = xstrdup("None");
+	}
+
+	void freeFileList()
+	{
+		if (!this->file_list)
+			return;
+		for (int i = 0; this->file_list[i]; i++)
+			free((void*)this->file_list[i]);
+		free(this->file_list);
+	}
+
+	const char *path;
+	const char **file_list;
+	GuiView *parent;
+};
+
+
+class DiscView : public GuiView
+{
+public:
+	DiscView() : GuiView()
+	{
+		this->menu = new DiscMenu(NULL, this);
+
+		this->bg = NULL;
+		this->infobox = NULL;
+		this->textbox = NULL;
+	}
+
+	~DiscView()
+	{
+		delete this->menu;
+	}
+
+	void setDirectory(const char *path)
+	{
+		this->menu->setDirectory(path);
+	}
+
+	void updateTheme()
+	{
+		this->bg = Gui::gui->main_menu_bg;
+		this->infobox = Gui::gui->infobox;
+		this->textbox = Gui::gui->textbox;
+
+		this->menu->setFont(Gui::gui->default_font);
+		this->menu->setSelectedBackground(Gui::gui->bg_left, Gui::gui->bg_middle,
+				Gui::gui->bg_right, Gui::gui->bg_submenu_left,
+				Gui::gui->bg_submenu_middle, Gui::gui->bg_submenu_right);
+	}
+
+	void runLogic()
+	{
+		this->menu->runLogic();
+	}
+
+	void pushEvent(SDL_Event *ev)
+	{
+		this->menu->pushEvent(ev);
+	}
+
+	void draw(SDL_Surface *where)
+	{
+		 SDL_Rect dst;
+
+		 /* Blit the backgrounds */
+		 dst = (SDL_Rect){20,45,300,400};
+		 SDL_BlitSurface(this->bg, NULL, where, &dst);
+
+		 dst = (SDL_Rect){350,13,0,0};
+		 SDL_BlitSurface(this->infobox, NULL, where, &dst);
+
+		 dst = (SDL_Rect){350,242,0,0};
+		 SDL_BlitSurface(this->textbox, NULL, where, &dst);
+
+		 this->menu->draw(where, 50, 70, 300, 400);
+	}
+
+protected:
+	DiscMenu *menu;
+	SDL_Surface *bg;
+	SDL_Surface *infobox;
+	SDL_Surface *textbox;
+};

gui.cpp

@@ -11,10 +11,6 @@
 
 extern SDL_Surface *screen;
 
-class Gui;
-class MainMenu;
-class MainView;
-
 #define THEME_ROOT_PATH "themes"
 
 static const char *get_theme_path(const char *dir, const char *what)
@@ -29,6 +25,7 @@ static const char *get_theme_path(const char *dir, const char *what)
 }
 
 /* These are a bit of special cases... */
+#include "disc_menu.cpp"
 #include "main_menu.cpp"
 
 GuiView::GuiView()
@@ -57,7 +54,8 @@ Gui::Gui()
 	this->views = NULL;
 
 	/* Create the views */
-	MainView *mv = new MainView();
+	this->mv = new MainView();
+	this->dv = new DiscView();
 	this->pushView(mv);
 }
 
@@ -107,8 +105,8 @@ bool Gui::setTheme(const char *path)
 		return false;
 	}
 
-	for (int i = 0; i < this->n_views; i++)
-		this->views[i]->updateTheme();
+	this->mv->updateTheme();
+	this->dv->updateTheme();
 
 	return true;
 }
@@ -216,10 +214,9 @@ Font *Gui::loadThemeFont(const char *dir, const char *what, int size)
 Gui *Gui::gui;
 void Gui::init()
 {
-	Gui *p = new Gui();
+	Gui::gui = new Gui();
 
 	/* Set the default theme */
-	panic_if(!p->setTheme("default"),
+	panic_if(!Gui::gui->setTheme("default"),
 			"Setting default theme failed\n");
-	Gui::gui = p;
 }

gui.hh

@@ -7,6 +7,8 @@
 #include "font.hh"
 
 class Gui;
+class MainView;
+class DiscView;
 
 class GuiView
 {
@@ -76,6 +78,8 @@ public:
 	Font *default_font;
 	Font *small_font;
 
+	MainView *mv;
+	DiscView *dv;
 	GuiView **views;
 	int n_views;
 

main_menu.cpp

@@ -65,9 +65,11 @@ public:
 		printf("entry %d selected: %s\n", which, this->pp_msgs[which]);
 		switch (which)
 		{
-		case 1:
-			if (this->p_submenus[0].sel == 0)
-				;
+		case 0:
+			if (this->p_submenus[0].sel == 0) {
+				Gui::gui->dv->setDirectory("discs");
+				Gui::gui->pushView(Gui::gui->dv);
+			}
 			break;
 
 		case 11:

utils.hh

@@ -49,4 +49,6 @@ static inline void *xrealloc(void *ptr, size_t sz)
 
 TTF_Font *read_and_alloc_font(const char *path, int pt_size);
 
+const char **get_file_list(const char *base_dir, const char *exts[]);
+
 #endif /* __UTILS_H__ */