nuclear@0: #include <vector>
nuclear@0: #include "opengl.h"
nuclear@0: #include "screen.h"
nuclear@0: #include "logger.h"
nuclear@0: #include "unistate.h"
nuclear@0: 
nuclear@0: static std::vector<Screen*> scrstack;
nuclear@0: 
nuclear@0: void push_screen(Screen *screen)
nuclear@0: {
nuclear@0: 	Screen *prev = current_screen();
nuclear@0: 	if(prev) {
nuclear@0: 		prev->stop();
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	scrstack.push_back(screen);
nuclear@0: 	screen->start();
nuclear@0: }
nuclear@0: 
nuclear@0: Screen *pop_screen()
nuclear@0: {
nuclear@0: 	if(scrstack.empty()) {
nuclear@0: 		error_log("trying to pop a screen, but the stack is empty!\n");
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 	Screen *res = scrstack.back();
nuclear@0: 	scrstack.pop_back();
nuclear@0: 
nuclear@0: 	res->stop();
nuclear@0: 
nuclear@0: 	Screen *next = current_screen();
nuclear@0: 	if(next) {
nuclear@0: 		next->start();
nuclear@0: 	}
nuclear@0: 	return res;
nuclear@0: }
nuclear@0: 
nuclear@0: Screen *current_screen()
nuclear@0: {
nuclear@0: 	if(scrstack.empty()) {
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 	return scrstack.back();
nuclear@0: }
nuclear@0: 
nuclear@0: Screen *previous_screen()
nuclear@0: {
nuclear@0: 	int sz = scrstack.size();
nuclear@0: 	if(sz < 2) {
nuclear@0: 		return 0;
nuclear@0: 	}
nuclear@0: 	return scrstack[sz - 2];
nuclear@0: }
nuclear@0: 
nuclear@0: Screen::~Screen()
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: const char *Screen::get_name() const
nuclear@0: {
nuclear@0: 	return "Screen";
nuclear@0: }
nuclear@0: 
nuclear@0: bool Screen::init()
nuclear@0: {
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::cleanup()
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::start()
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::stop()
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: long Screen::redisplay_interval() const
nuclear@0: {
nuclear@0: 	return 0;	// don't redisplay implicitly by default
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::update(unsigned long tmsec)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::pre_draw() const
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::display() const
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::post_draw() const
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::keyboard(int key, bool pressed)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::motion(int x, int y, bool pressed)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::button(int bn, bool pressed, int x, int y)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Screen::reshape(int x, int y)
nuclear@0: {
nuclear@0: }