From b353185ff989e2dd058284dc5b1a6d5d6197bcbd Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Fri, 26 Feb 2010 22:20:25 +0100
Subject: Handle keypresses through virtual method.

---
 application.cpp | 22 +++++++++++++++++++++-
 application.h   | 11 ++++++++---
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/application.cpp b/application.cpp
index 95027ac..b49bcb9 100644
--- a/application.cpp
+++ b/application.cpp
@@ -77,6 +77,8 @@ Application::Application() {
 	glShadeModel(GL_SMOOTH);
 
 	glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+	
+	please_quit = false;
 }
 
 Application::~Application() {
@@ -90,9 +92,15 @@ void Application::run() {
 	while(1) {
 		SDL_Event event;
 		SDL_PollEvent(&event);
-		if(event.type == SDL_QUIT || event.type == SDL_KEYDOWN && event.key.keysym.sym == SDLK_ESCAPE) {
+		if(event.type == SDL_QUIT) {
 			break;
+		} else if(event.type == SDL_KEYDOWN) {
+			event_keypress(event.key.keysym.sym);
 		}
+		if(please_quit) {
+			return;
+		}
+		
 		main_loop();
 	}
 }
@@ -134,3 +142,15 @@ void Application::main_loop(void) {
 	arVideoCapNext();
 	SDL_GL_SwapBuffers();
 }
+
+void Application::quit() {
+	please_quit = true;
+}
+
+void Application::event_keypress(SDLKey key) {
+	switch(key) {
+		case SDLK_ESCAPE:
+			quit();
+			break;
+	}
+}
diff --git a/application.h b/application.h
index 5d821f9..5befce1 100644
--- a/application.h
+++ b/application.h
@@ -10,19 +10,24 @@
 class Application {
 	private:
 		ARParam cparam;
-
 		ARGL_CONTEXT_SETTINGS_REF argl_ctx;
-
 		SDL_Surface *surface;
-
+		
 		int count;
 		
+		bool please_quit;
+		
 	public:
 		Pattern* patt;
 		
 		Application();
 		~Application();
 		void run();
+		void quit();
+	
+	protected:
+		virtual void event_keypress(SDLKey key);
+		
 		void main_loop(void);
 };
 
-- 
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