From b660b965bcb679e53cc89e7b8903190d2d162ff6 Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Thu, 4 Oct 2007 23:38:05 +0000
Subject: zoomedit: Gro?e Teile der GUI in Klassen gekapselt.

---
 Drawer.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Drawer.h

(limited to 'Drawer.h')

diff --git a/Drawer.h b/Drawer.h
new file mode 100644
index 0000000..4cc0e2b
--- /dev/null
+++ b/Drawer.h
@@ -0,0 +1,57 @@
+#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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