Refactor disc browser a bit (file browsing is really general, so add a base

class for it)

Makefile

@@ -8,7 +8,8 @@ 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 disc_menu.cpp
+	dialogue_box.hh help_box.hh main_menu.cpp disc_menu.cpp \
+	file_browser.hh
 
 utils.oo: utils.cpp utils.hh Makefile
 

disc_menu.cpp

@@ -1,23 +1,22 @@
 #include "menu.hh"
+#include "file_browser.hh"
+
+static const char *game_exts[] = {".d64", ".D64", ".t64", ".T64",
+	".prg",".PRG", ".p00", ".P00", NULL};
 
 class DiscView;
-class DiscMenu : public Menu
+class DiscMenu : public FileBrowser
 {
 	friend class DiscView;
 
 public:
-	DiscMenu(Font *font, GuiView *parent) : Menu(font)
+	DiscMenu(Font *font, GuiView *parent) :
+		FileBrowser(game_exts, font, parent)
 	{
-		this->parent = parent;
-		this->path = NULL;
-
-		/* If nothing else: Set the default list */
-		this->setDefaultFileList();
 	}
 
 	~DiscMenu()
 	{
-		this->freeFileList();
 	}
 
 	virtual void selectCallback(int which)
@@ -25,18 +24,6 @@ public:
 		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)
 	{
 	}
@@ -45,26 +32,6 @@ public:
 	{
 		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;
 };
 
 

file_browser.hh

@@ -0,0 +1,51 @@
+#include "menu.hh"
+#include "gui.hh"
+
+class FileBrowser : public Menu
+{
+public:
+	FileBrowser(const char **exts, Font *font, GuiView *parent) : Menu(font)
+	{
+		this->parent = parent;
+		this->path = NULL;
+		this->exts = exts;
+
+		/* If nothing else: Set the default list */
+		this->setDefaultFileList();
+	}
+
+	~FileBrowser()
+	{
+		this->freeFileList();
+	}
+
+	void setDirectory(const char *path)
+	{
+		this->freeFileList();
+		this->file_list = get_file_list(path, this->exts);
+		if (!this->file_list)
+			this->setDefaultFileList();
+		this->setText(this->file_list);
+	}
+
+protected:
+	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;
+	const char **exts;
+	GuiView *parent;
+};