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#ifndef VISUAL_XGL_H
#define VISUAL_XGL_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.
// Xgl - GTK platform-specific GL and windowing code
#include "vector.h"
#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
#include <gtkgl/gtkglarea.h>
#include <map>
#include <string>
#include <queue>
#include <vector>
#include <utility>
#include "platlinux.h"
#include "glcontext.h"
#include <GL/gl.h>
#include <GL/glu.h>
namespace visual {
struct xglFont : glFont
{
public:
//from glFont
virtual double getWidth(const char *text);
virtual double ascent();
virtual double descent();
virtual void draw(const char *text);
virtual void release();
//used by xglContext
xglFont(struct xglContext& cx,
const char *name,
double size);
virtual ~xglFont();
void addref() {refcount++;};
private:
struct xglContext& cx;
int listBase;
GdkFont *font;
int refcount;
};
struct xglContext : glContext
{
public:
void lockMouse();
void unlockMouse();
void showMouse() { printf("xgl.h: Someone should write showMouse!\n"); }
void hideMouse() { printf("xgl.h: Someone should write hideMouse!\n"); }
int getMouseButtons();
int getMouseButtonsChanged();
vector getMouseDelta();
vector getMousePos();
std::string getKeys();
int getShiftKey();
int getAltKey();
int getCtrlKey();
xglContext();
~xglContext();
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();
vector corner();
int width();
int height();
inline std::string lastError() { return error_message; }
glFont* getFont(const char* description, double size);
private:
GtkWidget* window;
GtkWidget* area;
int wwidth, wheight;
std::string error_message;
int buttonState, buttonsChanged;
int Kshift, Kalt, Kctrl; //true if down when mouse event happens
vector mousePos, oldMousePos;
bool mouseLocked;
std::queue<std::string> keys;
// Event callback handlers.
static void realize_cb( GtkWidget* widget, gpointer data);
static gint configure_cb( GtkWidget* widget, GdkEventConfigure* event, gpointer data);
static gint motion_notify_cb( GtkWidget* widget, GdkEventMotion* event, gpointer data);
static gint delete_cb( GtkWidget* widget, GdkEvent* event, gpointer data);
static gint button_press_cb( GtkWidget* widget, GdkEventButton* event, gpointer data);
static gint button_release_cb( GtkWidget* widget, GdkEventButton* event, gpointer data);
static gint key_press_cb( GtkWidget* widget, GdkEventKey* key, gpointer data);
static gint key_release_cb( GtkWidget* widget, GdkEventKey* key, gpointer data);
};
} // !namespace std
#endif // !defined VISUAL_XGL_H
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