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#ifndef DRAWER_H_
#define DRAWER_H_
#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
class Window;
class Drawer {
private:
GtkWidget *drawer;
GtkWidget *drawingArea;
GtkAdjustment *hAdjustment, *vAdjustment;
int zoomExp;
Window *window;
// prevent shallow copy
Drawer(const Drawer &w);
const Drawer& operator=(const Drawer &w);
void updateViewport();
void updateScrolling();
void updateScrollbars(float x = 0.5f, float y = 0.5f);
void updateHoveredPoint(float x, float y);
gint getWidth() const {
return drawingArea->allocation.width;
}
gint getHeight() const {
return drawingArea->allocation.height;
}
static void realize(GtkWidget *widget, Drawer *drawer);
static gboolean eventHandler(GtkWidget *widget, GdkEvent *event, Drawer *drawer);
static void valueChanged(GtkAdjustment *adjustment, Drawer *drawer);
public:
Drawer(Window *window, GdkGLConfig *glconfig);
virtual ~Drawer();
void zoom(int zoom, float x = 0.5f, float y = 0.5f);
GtkWidget *getWidget() {
return drawer;
}
void update() {
gtk_widget_queue_draw(drawingArea);
}
};
#endif /*DRAWER_H_*/
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