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#ifndef VISUAL_WGL_H
#define VISUAL_WGL_H
// Copyright (c) 2000, 2001, 2002, 2003 by David Scherer and others.
// See the file license.txt for complete license terms.
// See the file authors.txt for a complete list of contributors.
// wgl - Windows platform-specific GL and windowing code
#include "vector.h"
#include <vector>
#include <utility>
#include <map>
#include <string>
#include "platform.h"
#include "glcontext.h"
#include <GL/gl.h>
#include <GL/glu.h>
namespace visual
{
struct wglFont : glFont
{
public:
// Documentation for these functions is in glFont, not here.
virtual double getWidth(const char* string);
virtual double ascent();
virtual double descent();
virtual void draw(const char* string);
virtual void release();
// for the use of wglContext only:
wglFont( struct wglContext& cx, HFONT font );
virtual ~wglFont();
void addref() {refcount++;}
private:
struct wglContext& cx;
int listBase;
HFONT hfont;
int lu_ascent, lu_descent; // in Windows "logical units"
int refcount;
};
struct wglContext : glContext
{
public:
void lockMouse();
void unlockMouse();
void showMouse();
void hideMouse();
int getMouseButtons();
int getMouseButtonsChanged();
int getShiftKey();
int getAltKey();
int getCtrlKey();
vector getMouseDelta();
vector getMousePos();
std::string getKeys();
wglContext();
~wglContext();
bool initWindow( const char* title, int x, int y, int width, int height, int flags );
bool changeWindow( const char* title, int x, int y, int width, int height, int flags );
bool isOpen();
void cleanup();
void makeCurrent();
void makeNotCurrent();
void swapBuffers();
vector origin(); // top left of entire window (or, same as initWindow())
vector corner(); // bottom right of entire window (or, same as initWindow())
int width(); // of GL area
int height(); // of GL area
std::string lastError() { return error_message; }
bool mustPaint;
glFont* getFont( const char* description, double size);
private:
std::map< std::pair< std::string, double>, wglFont* > fontCache;
friend struct wglWindowClass;
struct wglWindowClass& cls;
HWND hWnd;
HDC hdc, lasthdc;
HGLRC hglrc, lastglrc;
std::string error_message;
int buttonState, buttonChanged;
int Kshift, Kalt, Kctrl; //true if down when mouse event happens
vector mousePos;
vector mouseDelta;
bool mouseLocked;
std::vector< std::string> keys;
int current; // incremented by makeCurrent(), decremented by makeNotCurrent()
LRESULT winMessage( HWND, UINT, WPARAM, LPARAM );
void error( std::string where);
friend struct wglFont;
};
} // !namespace visual
#endif // !VISUAL_WGL_H
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