zoomedit: Gro?e Teile der GUI in Klassen gekapselt.

27 files changed, 940 insertions, 481 deletions

diff --git a/Drawer.cpp b/Drawer.cpp
new file mode 100644
index 0000000..48bc730
--- /dev/null
+++ b/Drawer.cpp
@@ -0,0 +1,218 @@
+#include "Drawer.h"
+#include "Window.h"
+#include "draw.h"
+#include "edit.h"
+#include <GL/gl.h>
+#include <math.h>
+
+
+void Drawer::realize(GtkWidget *widget, Drawer *drawer) {
+  GdkGLContext *context = gtk_widget_get_gl_context(widget);
+  GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(widget);
+  
+  if(!gdk_gl_drawable_gl_begin(drawable, context))
+    return;
+  
+  glClearColor(0, 0, 0, 1);
+  
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glEnable(GL_BLEND);
+  
+  glEnable(GL_LINE_SMOOTH);
+  
+  glMatrixMode(GL_MODELVIEW);
+  glLoadIdentity();
+  
+  gdk_gl_drawable_gl_end(drawable);
+}
+
+gboolean Drawer::eventHandler(GtkWidget *widget, GdkEvent *event, Drawer *drawer) {
+  switch(event->type) {
+    case GDK_CONFIGURE:
+      drawer->updateViewport();
+      drawer->updateScrollbars();
+      return TRUE;
+      
+    case GDK_EXPOSE:
+      drawTopView(widget, &event->expose, NULL);
+      return TRUE;
+      
+    case GDK_MOTION_NOTIFY:
+      drawer->updateHoveredPoint(event->motion.x, event->motion.y);
+      return TRUE;
+      
+    case GDK_ENTER_NOTIFY:
+      drawer->updateHoveredPoint(event->crossing.x, event->crossing.y);
+      return TRUE;
+      
+    case GDK_LEAVE_NOTIFY:
+      setHoveredVertex(NULL);
+      drawer->window->update();
+      return TRUE;
+      
+    case GDK_BUTTON_PRESS:
+      switch(event->button.button) {
+        case 1:
+          if(!getHoveredVertex())
+            break;
+          
+          switch(drawer->window->getEditManager().getMode()) {
+            case EditManager::VIEW:
+              setActiveRoom(getHoveredRoom());
+              break;
+              
+            case EditManager::ADD:
+              if(isVertexOk(getHoveredVertex()))
+                drawer->window->getEditManager().addVertex(*getHoveredVertex());
+          }
+          
+          drawer->window->update();
+          break;
+          
+        default:
+          return FALSE;
+      }
+      return TRUE;
+      
+    case GDK_SCROLL:
+      switch(event->scroll.direction) {
+        case GDK_SCROLL_UP:
+          drawer->zoom(1, event->scroll.x/widget->allocation.width, event->scroll.y/widget->allocation.height);
+          break;
+        case GDK_SCROLL_DOWN:
+          drawer->zoom(-1, event->scroll.x/widget->allocation.width, event->scroll.y/widget->allocation.height);
+          break;
+        default:
+          return FALSE;
+      }
+      return TRUE;
+      
+    default:
+      return FALSE;
+  }
+}
+
+void Drawer::valueChanged(GtkAdjustment *adjustment, Drawer *drawer) {
+  drawer->updateScrolling();
+}
+
+
+void Drawer::updateViewport() {
+  GdkGLContext *context = gtk_widget_get_gl_context(drawingArea);
+  GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(drawingArea);
+  
+  if(!gdk_gl_drawable_gl_begin(drawable, context))
+    return;
+  
+  glViewport(0, 0, getWidth(), getHeight());
+  
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  
+  if(getWidth() != 0 && getHeight() != 0) {
+    glTranslatef(-1, 1, 0);
+    glScalef(2.0f/getWidth(), -2.0f/getHeight(), 1);
+  }
+  
+  gdk_gl_drawable_gl_end(drawable);
+}
+
+void Drawer::updateScrolling() {
+  if(getImageWidth() < getWidth())
+    setXTranslate((getImageWidth()-getWidth())/2);
+  else
+    setXTranslate(gtk_adjustment_get_value(hAdjustment));
+  
+  if(getImageHeight() < getHeight())
+    setYTranslate((getImageHeight()-getHeight())/2);
+  else 
+    setYTranslate(gtk_adjustment_get_value(vAdjustment));
+  
+  update();
+}
+
+void Drawer::updateScrollbars(float x, float y) {
+  const gdouble imageWidth = getImageWidth(), imageHeight = getImageHeight();
+  const gdouble width = getWidth(), height = getHeight();
+  gdouble upper, pageSize, value;
+  
+  gdk_window_freeze_updates(drawingArea->window);
+  
+  g_object_get(G_OBJECT(hAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
+  g_object_set(G_OBJECT(hAdjustment), "upper", imageWidth, "page_size", width, NULL);
+  gtk_adjustment_changed(hAdjustment);
+  
+  if((pageSize > upper && width < imageWidth) || upper == 0)
+    value = (imageWidth-width)/2;
+  else
+    value = (gtk_adjustment_get_value(hAdjustment)+pageSize*x)/upper*imageWidth-width*x;
+  gtk_adjustment_set_value(hAdjustment, MAX(MIN(value, imageWidth-width), 0));
+  
+  g_object_get(G_OBJECT(vAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
+  g_object_set(G_OBJECT(vAdjustment), "upper", imageHeight, "page_size", height, NULL);
+  gtk_adjustment_changed(vAdjustment);
+  
+  if((pageSize > upper && height < imageHeight) || upper == 0)
+    value = (imageHeight-height)/2;
+  else
+    value = (gtk_adjustment_get_value(vAdjustment)+pageSize*y)/upper*imageHeight-height*y;
+  gtk_adjustment_set_value(vAdjustment, MAX(MIN(value, imageHeight-height), 0));
+  
+  gdk_window_thaw_updates(drawingArea->window);
+  
+  updateScrolling();
+}
+
+void Drawer::updateHoveredPoint(float x, float y) {
+  Vertex v(x, y);
+  viewToImage(&v);
+  setHoveredVertex(&v);
+  
+  window->update();
+}
+
+Drawer::Drawer(Window *window, GdkGLConfig *glconfig) {
+  this->window = window;
+  zoomExp = 0;
+  
+  drawer = gtk_table_new(2, 2, FALSE);
+  g_object_ref_sink(G_OBJECT(drawer));
+  
+  drawingArea = gtk_drawing_area_new();
+  gtk_widget_set_gl_capability(drawingArea, glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE);
+  g_signal_connect(G_OBJECT(drawingArea), "realize", G_CALLBACK(realize), this);
+  g_signal_connect(G_OBJECT(drawingArea), "configure-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "expose-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "button-press-event", G_CALLBACK(eventHandler), this);
+  //g_signal_connect(G_OBJECT(drawingArea), "button-release-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "enter-notify-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "leave-notify-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "motion-notify-event", G_CALLBACK(eventHandler), this);
+  g_signal_connect(G_OBJECT(drawingArea), "scroll-event", G_CALLBACK(eventHandler), this);
+  gtk_widget_add_events(drawingArea, GDK_SCROLL_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
+  gtk_table_attach(GTK_TABLE(drawer), drawingArea, 0, 1, 0, 1, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
+    
+  hAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
+  GtkWidget *hScroll = gtk_hscrollbar_new(hAdjustment);
+  g_signal_connect(G_OBJECT(hScroll), "value-changed", G_CALLBACK(valueChanged), this);
+  gtk_table_attach(GTK_TABLE(drawer), hScroll, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)0, 0, 0);
+  
+  vAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
+  GtkWidget *vScroll = gtk_vscrollbar_new(vAdjustment);
+  g_signal_connect(G_OBJECT(vScroll), "value-changed", G_CALLBACK(valueChanged), this);
+  gtk_table_attach(GTK_TABLE(drawer), vScroll, 1, 2, 0, 1, (GtkAttachOptions)0, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
+
+  gtk_widget_show_all(drawer);
+}
+
+Drawer::~Drawer() {
+  g_object_unref(G_OBJECT(drawer));
+}
+
+void Drawer::zoom(int zoom, float x, float y) {
+  zoomExp = MAX(MIN(zoomExp + zoom, 50), -100);
+  
+  setScale(100*powf(1.1f, zoomExp));
+  
+  updateScrollbars(x, y);
+}
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_*/
diff --git a/EditManager.cpp b/EditManager.cpp
new file mode 100644
index 0000000..34d53be
--- /dev/null
+++ b/EditManager.cpp
@@ -0,0 +1,40 @@
+#include "EditManager.h"
+#include "Window.h"
+#include "edit.h"
+
+
+EditManager::EditManager(Window *window) {
+  this->window = window;
+  
+  mode = VIEW;
+}
+
+void EditManager::addRoom() {
+  //newRoom = Room();
+  mode = ADD;
+  
+  startAddMode();
+  
+  window->update();
+}
+
+void EditManager::finishRoom() {
+  mode = VIEW;
+  
+  if(getActiveRoom() && getActiveRoom()->size() > 2 && isPolygonOk(getActiveRoom())) {
+    getLevel()->push_back(*getActiveRoom());
+    setActiveRoom(&getLevel()->back());
+    
+    endAddMode();
+  }
+  
+  window->update();
+}
+
+void EditManager::addVertex(const Vertex &v) {
+  if(mode != ADD || !getActiveRoom())
+    return;
+  
+  getActiveRoom()->push_back(v);
+  window->update();
+}
diff --git a/EditManager.h b/EditManager.h
new file mode 100644
index 0000000..a1561eb
--- /dev/null
+++ b/EditManager.h
@@ -0,0 +1,36 @@
+#ifndef EDITMANAGER_H_
+#define EDITMANAGER_H_
+
+#include "Room.h"
+
+
+class Window;
+
+
+class EditManager {
+  public:
+    enum Mode {
+      VIEW, ADD
+    };
+    
+  private:
+    Mode mode;
+    
+    Window *window;
+    
+    //Room newRoom;
+    
+  public:
+    EditManager(Window *window);
+    
+    void addRoom();
+    void finishRoom();
+    
+    void addVertex(const Vertex &v);
+    
+    Mode getMode() {
+      return mode;
+    }
+};
+
+#endif /*EDITMANAGER_H_*/
diff --git a/Makefile.am b/Makefile.am
index 86aa883..2510265 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,8 @@
 bin_PROGRAMS  	     = zoomedit
-zoomedit_SOURCES     = zoomedit.cpp window.cpp ui.cpp draw.cpp edit.cpp Vertex.cpp \
+zoomedit_SOURCES     = zoomedit.cpp ui.cpp draw.cpp edit.cpp Vertex.cpp \
                        Line.cpp Polygon.cpp Rectangle.cpp Room.cpp Triangle.cpp \
-                       IdManager.cpp
+                       IdManager.cpp WindowManager.cpp SidebarManager.cpp \
+                       Window.cpp SidebarView.cpp SidebarAdd.cpp Drawer.cpp \
+                       EditManager.cpp
 zoomedit_CPPFLAGS    = @GTK_CFLAGS@ @GTKGLEXT_CFLAGS@
 zoomedit_LDADD       = @GTK_LIBS@ @GTKGLEXT_LIBS@
\ No newline at end of file
diff --git a/Makefile.in b/Makefile.in
index 9265def..785f3aa 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -49,12 +49,15 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
 PROGRAMS = $(bin_PROGRAMS)
 am_zoomedit_OBJECTS = zoomedit-zoomedit.$(OBJEXT) \
-	zoomedit-window.$(OBJEXT) zoomedit-ui.$(OBJEXT) \
-	zoomedit-draw.$(OBJEXT) zoomedit-edit.$(OBJEXT) \
-	zoomedit-Vertex.$(OBJEXT) zoomedit-Line.$(OBJEXT) \
-	zoomedit-Polygon.$(OBJEXT) zoomedit-Rectangle.$(OBJEXT) \
-	zoomedit-Room.$(OBJEXT) zoomedit-Triangle.$(OBJEXT) \
-	zoomedit-IdManager.$(OBJEXT)
+	zoomedit-ui.$(OBJEXT) zoomedit-draw.$(OBJEXT) \
+	zoomedit-edit.$(OBJEXT) zoomedit-Vertex.$(OBJEXT) \
+	zoomedit-Line.$(OBJEXT) zoomedit-Polygon.$(OBJEXT) \
+	zoomedit-Rectangle.$(OBJEXT) zoomedit-Room.$(OBJEXT) \
+	zoomedit-Triangle.$(OBJEXT) zoomedit-IdManager.$(OBJEXT) \
+	zoomedit-WindowManager.$(OBJEXT) \
+	zoomedit-SidebarManager.$(OBJEXT) zoomedit-Window.$(OBJEXT) \
+	zoomedit-SidebarView.$(OBJEXT) zoomedit-SidebarAdd.$(OBJEXT) \
+	zoomedit-Drawer.$(OBJEXT) zoomedit-EditManager.$(OBJEXT)
 zoomedit_OBJECTS = $(am_zoomedit_OBJECTS)
 zoomedit_DEPENDENCIES =
 DEFAULT_INCLUDES = -I.@am__isrc@
@@ -174,9 +177,11 @@ sysconfdir = @sysconfdir@
 target_alias = @target_alias@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-zoomedit_SOURCES = zoomedit.cpp window.cpp ui.cpp draw.cpp edit.cpp Vertex.cpp \
+zoomedit_SOURCES = zoomedit.cpp ui.cpp draw.cpp edit.cpp Vertex.cpp \
                        Line.cpp Polygon.cpp Rectangle.cpp Room.cpp Triangle.cpp \
-                       IdManager.cpp
+                       IdManager.cpp WindowManager.cpp SidebarManager.cpp \
+                       Window.cpp SidebarView.cpp SidebarAdd.cpp Drawer.cpp \
+                       EditManager.cpp
 
 zoomedit_CPPFLAGS = @GTK_CFLAGS@ @GTKGLEXT_CFLAGS@
 zoomedit_LDADD = @GTK_LIBS@ @GTKGLEXT_LIBS@
@@ -268,17 +273,23 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c
 
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Drawer.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-EditManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-IdManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Line.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Polygon.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Rectangle.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Room.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarAdd.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarManager.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-SidebarView.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Triangle.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Vertex.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-Window.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-WindowManager.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-draw.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-edit.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-ui.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-window.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/zoomedit-zoomedit.Po@am__quote@
 
 .cpp.o:
@@ -309,20 +320,6 @@ zoomedit-zoomedit.obj: zoomedit.cpp
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-zoomedit.obj `if test -f 'zoomedit.cpp'; then $(CYGPATH_W) 'zoomedit.cpp'; else $(CYGPATH_W) '$(srcdir)/zoomedit.cpp'; fi`
 
-zoomedit-window.o: window.cpp
-@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-window.o -MD -MP -MF $(DEPDIR)/zoomedit-window.Tpo -c -o zoomedit-window.o `test -f 'window.cpp' || echo '$(srcdir)/'`window.cpp
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-window.Tpo $(DEPDIR)/zoomedit-window.Po
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='window.cpp' object='zoomedit-window.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-window.o `test -f 'window.cpp' || echo '$(srcdir)/'`window.cpp
-
-zoomedit-window.obj: window.cpp
-@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-window.obj -MD -MP -MF $(DEPDIR)/zoomedit-window.Tpo -c -o zoomedit-window.obj `if test -f 'window.cpp'; then $(CYGPATH_W) 'window.cpp'; else $(CYGPATH_W) '$(srcdir)/window.cpp'; fi`
-@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-window.Tpo $(DEPDIR)/zoomedit-window.Po
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='window.cpp' object='zoomedit-window.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-window.obj `if test -f 'window.cpp'; then $(CYGPATH_W) 'window.cpp'; else $(CYGPATH_W) '$(srcdir)/window.cpp'; fi`
-
 zoomedit-ui.o: ui.cpp
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-ui.o -MD -MP -MF $(DEPDIR)/zoomedit-ui.Tpo -c -o zoomedit-ui.o `test -f 'ui.cpp' || echo '$(srcdir)/'`ui.cpp
 @am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-ui.Tpo $(DEPDIR)/zoomedit-ui.Po
@@ -463,6 +460,104 @@ zoomedit-IdManager.obj: IdManager.cpp
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-IdManager.obj `if test -f 'IdManager.cpp'; then $(CYGPATH_W) 'IdManager.cpp'; else $(CYGPATH_W) '$(srcdir)/IdManager.cpp'; fi`
 
+zoomedit-WindowManager.o: WindowManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-WindowManager.o -MD -MP -MF $(DEPDIR)/zoomedit-WindowManager.Tpo -c -o zoomedit-WindowManager.o `test -f 'WindowManager.cpp' || echo '$(srcdir)/'`WindowManager.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-WindowManager.Tpo $(DEPDIR)/zoomedit-WindowManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='WindowManager.cpp' object='zoomedit-WindowManager.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-WindowManager.o `test -f 'WindowManager.cpp' || echo '$(srcdir)/'`WindowManager.cpp
+
+zoomedit-WindowManager.obj: WindowManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-WindowManager.obj -MD -MP -MF $(DEPDIR)/zoomedit-WindowManager.Tpo -c -o zoomedit-WindowManager.obj `if test -f 'WindowManager.cpp'; then $(CYGPATH_W) 'WindowManager.cpp'; else $(CYGPATH_W) '$(srcdir)/WindowManager.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-WindowManager.Tpo $(DEPDIR)/zoomedit-WindowManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='WindowManager.cpp' object='zoomedit-WindowManager.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-WindowManager.obj `if test -f 'WindowManager.cpp'; then $(CYGPATH_W) 'WindowManager.cpp'; else $(CYGPATH_W) '$(srcdir)/WindowManager.cpp'; fi`
+
+zoomedit-SidebarManager.o: SidebarManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarManager.o -MD -MP -MF $(DEPDIR)/zoomedit-SidebarManager.Tpo -c -o zoomedit-SidebarManager.o `test -f 'SidebarManager.cpp' || echo '$(srcdir)/'`SidebarManager.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarManager.Tpo $(DEPDIR)/zoomedit-SidebarManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarManager.cpp' object='zoomedit-SidebarManager.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarManager.o `test -f 'SidebarManager.cpp' || echo '$(srcdir)/'`SidebarManager.cpp
+
+zoomedit-SidebarManager.obj: SidebarManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarManager.obj -MD -MP -MF $(DEPDIR)/zoomedit-SidebarManager.Tpo -c -o zoomedit-SidebarManager.obj `if test -f 'SidebarManager.cpp'; then $(CYGPATH_W) 'SidebarManager.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarManager.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarManager.Tpo $(DEPDIR)/zoomedit-SidebarManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarManager.cpp' object='zoomedit-SidebarManager.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarManager.obj `if test -f 'SidebarManager.cpp'; then $(CYGPATH_W) 'SidebarManager.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarManager.cpp'; fi`
+
+zoomedit-Window.o: Window.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Window.o -MD -MP -MF $(DEPDIR)/zoomedit-Window.Tpo -c -o zoomedit-Window.o `test -f 'Window.cpp' || echo '$(srcdir)/'`Window.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Window.Tpo $(DEPDIR)/zoomedit-Window.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Window.cpp' object='zoomedit-Window.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Window.o `test -f 'Window.cpp' || echo '$(srcdir)/'`Window.cpp
+
+zoomedit-Window.obj: Window.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Window.obj -MD -MP -MF $(DEPDIR)/zoomedit-Window.Tpo -c -o zoomedit-Window.obj `if test -f 'Window.cpp'; then $(CYGPATH_W) 'Window.cpp'; else $(CYGPATH_W) '$(srcdir)/Window.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Window.Tpo $(DEPDIR)/zoomedit-Window.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Window.cpp' object='zoomedit-Window.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Window.obj `if test -f 'Window.cpp'; then $(CYGPATH_W) 'Window.cpp'; else $(CYGPATH_W) '$(srcdir)/Window.cpp'; fi`
+
+zoomedit-SidebarView.o: SidebarView.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarView.o -MD -MP -MF $(DEPDIR)/zoomedit-SidebarView.Tpo -c -o zoomedit-SidebarView.o `test -f 'SidebarView.cpp' || echo '$(srcdir)/'`SidebarView.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarView.Tpo $(DEPDIR)/zoomedit-SidebarView.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarView.cpp' object='zoomedit-SidebarView.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarView.o `test -f 'SidebarView.cpp' || echo '$(srcdir)/'`SidebarView.cpp
+
+zoomedit-SidebarView.obj: SidebarView.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarView.obj -MD -MP -MF $(DEPDIR)/zoomedit-SidebarView.Tpo -c -o zoomedit-SidebarView.obj `if test -f 'SidebarView.cpp'; then $(CYGPATH_W) 'SidebarView.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarView.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarView.Tpo $(DEPDIR)/zoomedit-SidebarView.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarView.cpp' object='zoomedit-SidebarView.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarView.obj `if test -f 'SidebarView.cpp'; then $(CYGPATH_W) 'SidebarView.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarView.cpp'; fi`
+
+zoomedit-SidebarAdd.o: SidebarAdd.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarAdd.o -MD -MP -MF $(DEPDIR)/zoomedit-SidebarAdd.Tpo -c -o zoomedit-SidebarAdd.o `test -f 'SidebarAdd.cpp' || echo '$(srcdir)/'`SidebarAdd.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarAdd.Tpo $(DEPDIR)/zoomedit-SidebarAdd.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarAdd.cpp' object='zoomedit-SidebarAdd.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarAdd.o `test -f 'SidebarAdd.cpp' || echo '$(srcdir)/'`SidebarAdd.cpp
+
+zoomedit-SidebarAdd.obj: SidebarAdd.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-SidebarAdd.obj -MD -MP -MF $(DEPDIR)/zoomedit-SidebarAdd.Tpo -c -o zoomedit-SidebarAdd.obj `if test -f 'SidebarAdd.cpp'; then $(CYGPATH_W) 'SidebarAdd.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarAdd.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-SidebarAdd.Tpo $(DEPDIR)/zoomedit-SidebarAdd.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='SidebarAdd.cpp' object='zoomedit-SidebarAdd.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-SidebarAdd.obj `if test -f 'SidebarAdd.cpp'; then $(CYGPATH_W) 'SidebarAdd.cpp'; else $(CYGPATH_W) '$(srcdir)/SidebarAdd.cpp'; fi`
+
+zoomedit-Drawer.o: Drawer.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Drawer.o -MD -MP -MF $(DEPDIR)/zoomedit-Drawer.Tpo -c -o zoomedit-Drawer.o `test -f 'Drawer.cpp' || echo '$(srcdir)/'`Drawer.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Drawer.Tpo $(DEPDIR)/zoomedit-Drawer.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Drawer.cpp' object='zoomedit-Drawer.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Drawer.o `test -f 'Drawer.cpp' || echo '$(srcdir)/'`Drawer.cpp
+
+zoomedit-Drawer.obj: Drawer.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-Drawer.obj -MD -MP -MF $(DEPDIR)/zoomedit-Drawer.Tpo -c -o zoomedit-Drawer.obj `if test -f 'Drawer.cpp'; then $(CYGPATH_W) 'Drawer.cpp'; else $(CYGPATH_W) '$(srcdir)/Drawer.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-Drawer.Tpo $(DEPDIR)/zoomedit-Drawer.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='Drawer.cpp' object='zoomedit-Drawer.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-Drawer.obj `if test -f 'Drawer.cpp'; then $(CYGPATH_W) 'Drawer.cpp'; else $(CYGPATH_W) '$(srcdir)/Drawer.cpp'; fi`
+
+zoomedit-EditManager.o: EditManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-EditManager.o -MD -MP -MF $(DEPDIR)/zoomedit-EditManager.Tpo -c -o zoomedit-EditManager.o `test -f 'EditManager.cpp' || echo '$(srcdir)/'`EditManager.cpp
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-EditManager.Tpo $(DEPDIR)/zoomedit-EditManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='EditManager.cpp' object='zoomedit-EditManager.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-EditManager.o `test -f 'EditManager.cpp' || echo '$(srcdir)/'`EditManager.cpp
+
+zoomedit-EditManager.obj: EditManager.cpp
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT zoomedit-EditManager.obj -MD -MP -MF $(DEPDIR)/zoomedit-EditManager.Tpo -c -o zoomedit-EditManager.obj `if test -f 'EditManager.cpp'; then $(CYGPATH_W) 'EditManager.cpp'; else $(CYGPATH_W) '$(srcdir)/EditManager.cpp'; fi`
+@am__fastdepCXX_TRUE@	mv -f $(DEPDIR)/zoomedit-EditManager.Tpo $(DEPDIR)/zoomedit-EditManager.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='EditManager.cpp' object='zoomedit-EditManager.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(zoomedit_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o zoomedit-EditManager.obj `if test -f 'EditManager.cpp'; then $(CYGPATH_W) 'EditManager.cpp'; else $(CYGPATH_W) '$(srcdir)/EditManager.cpp'; fi`
+
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
diff --git a/Polygon.cpp b/Polygon.cpp
index 7eaeaa9..8b32bb4 100644
--- a/Polygon.cpp
+++ b/Polygon.cpp
@@ -20,7 +20,7 @@ float Polygon::signedArea() const {
 Polygon::Direction Polygon::getDirection() const {
   float area = signedArea();
   
-  return (area > 0) ? Triangle::CW : (area < 0) ? Triangle::CCW : Triangle::Unknown;
+  return (area > 0) ? Triangle::CW : (area < 0) ? Triangle::CCW : Triangle::UNKNOWN;
 }
 
 float Polygon::area() const {
diff --git a/Sidebar.h b/Sidebar.h
new file mode 100644
index 0000000..7d30afc
--- /dev/null
+++ b/Sidebar.h
@@ -0,0 +1,16 @@
+#ifndef SIDEBAR_H_
+#define SIDEBAR_H_
+
+#include <gtk/gtk.h>
+
+
+class Sidebar {
+  public:
+    virtual ~Sidebar() {}
+    
+    virtual GtkWidget* getWidget() = 0;
+    
+    virtual void update() = 0;
+};
+
+#endif /*SIDEBAR_H_*/
diff --git a/SidebarAdd.cpp b/SidebarAdd.cpp
new file mode 100644
index 0000000..78509e0
--- /dev/null
+++ b/SidebarAdd.cpp
@@ -0,0 +1,43 @@
+#include "SidebarAdd.h"
+#include "edit.h"
+
+
+void SidebarAdd::buttonClicked(GtkButton *button, SidebarAdd *sidebar) {
+  sidebar->editor->finishRoom();
+}
+
+SidebarAdd::SidebarAdd(EditManager *editor) {
+  this->editor = editor;
+  
+  sidebar = gtk_vbox_new(FALSE, 0);
+  g_object_ref_sink(G_OBJECT(sidebar));
+  
+  GtkWidget *labelRoomInfo = gtk_label_new(NULL);
+  gtk_label_set_markup(GTK_LABEL(labelRoomInfo), "<b>Add room</b>");
+  gtk_misc_set_alignment(GTK_MISC(labelRoomInfo), 0.0, 0.5);
+  gtk_box_pack_start(GTK_BOX(sidebar), labelRoomInfo, FALSE, FALSE, 5);
+  
+  buttonAdd = gtk_button_new_with_label("Add room");
+  g_signal_connect(G_OBJECT(buttonAdd), "clicked", G_CALLBACK(buttonClicked), this);
+  gtk_box_pack_end(GTK_BOX(sidebar), buttonAdd, FALSE, FALSE, 0);
+  
+  gtk_widget_show_all(sidebar);
+}
+
+SidebarAdd::~SidebarAdd() {
+  g_object_unref(G_OBJECT(sidebar));
+}
+
+GtkWidget* SidebarAdd::getWidget() {
+  return sidebar;
+}
+  
+void SidebarAdd::update() {
+  if(!getActiveRoom())
+    return;
+  
+  if(getActiveRoom()->size() > 2 && isPolygonOk(getActiveRoom()))
+    gtk_widget_set_sensitive(buttonAdd, TRUE);
+  else
+    gtk_widget_set_sensitive(buttonAdd, FALSE);
+}
diff --git a/SidebarAdd.h b/SidebarAdd.h
new file mode 100644
index 0000000..e5571f8
--- /dev/null
+++ b/SidebarAdd.h
@@ -0,0 +1,30 @@
+#ifndef SIDEBARADD_H_
+#define SIDEBARADD_H_
+
+#include "Sidebar.h"
+#include "EditManager.h"
+
+
+class SidebarAdd : public Sidebar {
+  private:
+    GtkWidget *sidebar;
+    GtkWidget *buttonAdd;
+    
+    EditManager *editor;
+    
+    // prevent shallow copy
+    SidebarAdd(const SidebarAdd &w);
+    const SidebarAdd& operator=(const SidebarAdd &w);
+    
+    static void buttonClicked(GtkButton *button, SidebarAdd *sidebar);
+    
+  public:
+    SidebarAdd(EditManager *editor);
+    virtual ~SidebarAdd();
+    
+    GtkWidget* getWidget();
+    
+    void update();
+};
+
+#endif /*SIDEBARADD_H_*/
diff --git a/SidebarManager.cpp b/SidebarManager.cpp
new file mode 100644
index 0000000..86e70d0
--- /dev/null
+++ b/SidebarManager.cpp
@@ -0,0 +1,46 @@
+#include "SidebarManager.h"
+
+
+SidebarManager::SidebarManager(EditManager *editor)
+ : sidebarView(editor), sidebarAdd(editor)
+{
+  this->editor = editor;
+  activeSidebar = NULL;
+  
+  sidebar = gtk_scrolled_window_new(NULL, NULL);
+  g_object_ref_sink(G_OBJECT(sidebar));
+  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sidebar), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+  
+  viewport = gtk_viewport_new(NULL, NULL);
+  gtk_container_add(GTK_CONTAINER(sidebar), viewport);
+  gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
+  
+  gtk_widget_show(sidebar);
+}
+
+SidebarManager::~SidebarManager() {
+  g_object_unref(G_OBJECT(sidebar));
+}
+
+void SidebarManager::update() {
+  Sidebar *newSidebar = activeSidebar;
+  
+  switch(editor->getMode()) {
+    case EditManager::VIEW:
+      newSidebar = &sidebarView;
+      break;
+    case EditManager::ADD:
+      newSidebar = &sidebarAdd;
+  }
+  
+  if(activeSidebar != newSidebar) {
+    if(activeSidebar) 
+      gtk_container_remove(GTK_CONTAINER(viewport), gtk_bin_get_child(GTK_BIN(viewport)));
+    
+    gtk_container_add(GTK_CONTAINER(viewport), newSidebar->getWidget());
+    
+    activeSidebar = newSidebar;
+  }
+  
+  activeSidebar->update();
+}
diff --git a/SidebarManager.h b/SidebarManager.h
new file mode 100644
index 0000000..c195f08
--- /dev/null
+++ b/SidebarManager.h
@@ -0,0 +1,37 @@
+#ifndef SIDEBARMANAGER_H_
+#define SIDEBARMANAGER_H_
+
+#include <gtk/gtk.h>
+#include "Sidebar.h"
+#include "SidebarView.h"
+#include "SidebarAdd.h"
+#include "EditManager.h"
+
+
+class SidebarManager {
+  private:
+    GtkWidget *sidebar, *viewport;
+    
+    SidebarView sidebarView;
+    SidebarAdd sidebarAdd;
+    
+    Sidebar *activeSidebar;
+    
+    EditManager *editor;
+    
+    // prevent shallow copy
+    SidebarManager(const SidebarManager &w);
+    const SidebarManager& operator=(const SidebarManager &w);
+    
+  public:
+    SidebarManager(EditManager *editor);
+    virtual ~SidebarManager();
+    
+    GtkWidget *getWidget() {
+      return sidebar;
+    }
+    
+    void update();
+};
+
+#endif /*SIDEBARMANAGER_H_*/
diff --git a/SidebarView.cpp b/SidebarView.cpp
new file mode 100644
index 0000000..82d4713
--- /dev/null
+++ b/SidebarView.cpp
@@ -0,0 +1,88 @@
+#include "SidebarView.h"
+#include "edit.h"
+
+
+void SidebarView::buttonClicked(GtkButton *button, SidebarView *sidebar) {
+  sidebar->editor->addRoom();
+}
+
+SidebarView::SidebarView(EditManager *editor) {
+  this->editor = editor;
+  
+  sidebar = gtk_vbox_new(FALSE, 0);
+  g_object_ref_sink(G_OBJECT(sidebar));
+  
+  GtkWidget *labelRoomInfo = gtk_label_new(NULL);
+  gtk_label_set_markup(GTK_LABEL(labelRoomInfo), "<b>Room info:</b>");
+  gtk_misc_set_alignment(GTK_MISC(labelRoomInfo), 0.0, 0.5);
+  gtk_box_pack_start(GTK_BOX(sidebar), labelRoomInfo, FALSE, FALSE, 5);
+  
+  gtk_box_pack_start(GTK_BOX(sidebar), gtk_hseparator_new(), FALSE, FALSE, 5);
+  
+  GtkWidget *labelName = gtk_label_new("Name:");
+  gtk_misc_set_alignment(GTK_MISC(labelName), 0.0, 0.5);
+  gtk_box_pack_start(GTK_BOX(sidebar), labelName, FALSE, FALSE, 0);
+  
+  entryName = gtk_entry_new();
+  gtk_widget_set_sensitive(entryName, FALSE);
+  //g_signal_connect(G_OBJECT(entryName), "focus-out-event", G_CALLBACK(sidebarNameFocusOutEvent), NULL);
+  //gtk_widget_add_events(entryName, GDK_FOCUS_CHANGE_MASK);
+  gtk_box_pack_start(GTK_BOX(sidebar), entryName, FALSE, FALSE, 0);
+  
+  GtkWidget *tableRoomData = gtk_table_new(2, 2, FALSE);
+  gtk_table_set_row_spacings(GTK_TABLE(tableRoomData), 5);
+  gtk_table_set_col_spacings(GTK_TABLE(tableRoomData), 10);
+  gtk_box_pack_start(GTK_BOX(sidebar), tableRoomData, FALSE, FALSE, 5);
+  
+  GtkWidget *labelAreaLabel = gtk_label_new("Room area:");
+  gtk_misc_set_alignment(GTK_MISC(labelAreaLabel), 0.0, 0.5);
+  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelAreaLabel, 0, 1, 0, 1);
+  
+  labelArea = gtk_label_new(NULL);
+  gtk_misc_set_alignment(GTK_MISC(labelArea), 1.0, 0.5);
+  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelArea, 1, 2, 0, 1);
+  
+  GtkWidget *labelPerimeterLabel = gtk_label_new("Room perimeter:");
+  gtk_misc_set_alignment(GTK_MISC(labelPerimeterLabel), 0.0, 0.5);
+  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelPerimeterLabel, 0, 1, 1, 2);
+  
+  labelPerimeter = gtk_label_new(NULL);
+  gtk_misc_set_alignment(GTK_MISC(labelPerimeter), 1.0, 0.5);
+  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelPerimeter, 1, 2, 1, 2);
+  
+  buttonAdd = gtk_button_new_with_label("Add room");
+  g_signal_connect(G_OBJECT(buttonAdd), "clicked", G_CALLBACK(buttonClicked), this);
+  gtk_box_pack_end(GTK_BOX(sidebar), buttonAdd, FALSE, FALSE, 0);
+  
+  gtk_widget_show_all(sidebar);
+}
+
+SidebarView::~SidebarView() {
+  g_object_unref(G_OBJECT(sidebar));
+}
+
+GtkWidget* SidebarView::getWidget() {
+  return sidebar;
+}
+  
+void SidebarView::update() {
+  if(getActiveRoom()) {
+    gtk_entry_set_text(GTK_ENTRY(entryName), getActiveRoom()->getName().c_str());
+    gtk_widget_set_sensitive(entryName, TRUE);
+    
+    gchar *string = g_strdup_printf("%.2f", getActiveRoom()->area());
+    gtk_label_set_text(GTK_LABEL(labelArea), string);
+    g_free(string);
+    
+    string = g_strdup_printf("%.2f", getActiveRoom()->perimeter());
+    gtk_label_set_text(GTK_LABEL(labelPerimeter), string);
+    g_free(string);
+  }
+  else {
+    gtk_entry_set_text(GTK_ENTRY(entryName), "");
+    gtk_widget_set_sensitive(entryName, FALSE);
+    
+    gtk_label_set_text(GTK_LABEL(labelArea), NULL);
+    gtk_label_set_text(GTK_LABEL(labelPerimeter), NULL);
+  }
+}
diff --git a/SidebarView.h b/SidebarView.h
new file mode 100644
index 0000000..ae3ee28
--- /dev/null
+++ b/SidebarView.h
@@ -0,0 +1,30 @@
+#ifndef SIDEBARVIEW_H_
+#define SIDEBARVIEW_H_
+
+#include "Sidebar.h"
+#include "EditManager.h"
+
+
+class SidebarView : public Sidebar {
+  private:
+    GtkWidget *sidebar;
+    GtkWidget *entryName, *labelArea, *labelPerimeter, *buttonAdd;
+    
+    EditManager *editor;
+    
+    // prevent shallow copy
+    SidebarView(const SidebarView &w);
+    const SidebarView& operator=(const SidebarView &w);
+    
+    static void buttonClicked(GtkButton *button, SidebarView *view);
+    
+  public:
+    SidebarView(EditManager *editor);
+    virtual ~SidebarView();
+    
+    GtkWidget* getWidget();
+    
+    void update();
+};
+
+#endif /*SIDEBARVIEW_H_*/
diff --git a/Triangle.cpp b/Triangle.cpp
index 124d16c..7587589 100644
--- a/Triangle.cpp
+++ b/Triangle.cpp
@@ -7,7 +7,7 @@
 Triangle::Direction Triangle::getDirection() const {
   float c = (va.getX()-vb.getX())*(vc.getY()-vb.getY()) - (vc.getX()-vb.getX())*(va.getY()-vb.getY());
   
-  return (c < 0) ? CW : (c > 0) ? CCW : Unknown;
+  return (c < 0) ? CW : (c > 0) ? CCW : UNKNOWN;
 }
 
 float Triangle::area() const {
diff --git a/Triangle.h b/Triangle.h
index 13311e8..a3c8aa8 100644
--- a/Triangle.h
+++ b/Triangle.h
@@ -10,7 +10,7 @@ class Triangle {
     Vertex va, vb, vc;
   public:
     enum Direction {
-      CW, CCW, Unknown
+      CW, CCW, UNKNOWN
     };
         
     Triangle() {}
diff --git a/Window.cpp b/Window.cpp
new file mode 100644
index 0000000..7e4dd63
--- /dev/null
+++ b/Window.cpp
@@ -0,0 +1,55 @@
+#include "Window.h"
+#include "WindowManager.h"
+#include "ui.h"
+#include "edit.h"
+
+
+gboolean Window::deleteEvent(GtkWidget *widget, GdkEvent *event, Window *window) {
+  gtk_widget_hide(widget);
+  
+  window->manager->windowClosed(window);
+  
+  return TRUE;
+}
+
+Window::Window(GdkGLConfig *glconfig, WindowManager *manager)
+ : editor(this), drawer(this, glconfig), sidebar(&editor)
+{
+  this->manager = manager;
+  setLevel(&level);
+  
+  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+  gtk_window_set_default_size(GTK_WINDOW(window), 640, 480);
+  g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(deleteEvent), this);
+  
+  GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
+  gtk_container_add(GTK_CONTAINER(window), vbox);
+  
+  gtk_box_pack_start(GTK_BOX(vbox), getMenu(), FALSE, FALSE, 0);
+  gtk_box_pack_start(GTK_BOX(vbox), getToolbar(), FALSE, FALSE, 0);
+  
+  gtk_window_add_accel_group(GTK_WINDOW(window), getAccels());
+  
+  GtkWidget *hPaned = gtk_hpaned_new();
+  gtk_box_pack_end(GTK_BOX(vbox), hPaned, TRUE, TRUE, 0);
+  
+  gtk_paned_pack1(GTK_PANED(hPaned), drawer.getWidget(), TRUE, TRUE);
+  
+  gtk_paned_pack2(GTK_PANED(hPaned), sidebar.getWidget(), FALSE, TRUE);
+  sidebar.update();
+  
+  gtk_widget_show_all(vbox);
+}
+
+Window::~Window() {
+  gtk_widget_destroy(window);
+}
+
+void Window::show() {
+  gtk_widget_show(window);
+}
+
+void Window::update() {
+  drawer.update();
+  sidebar.update();
+}
diff --git a/Window.h b/Window.h
new file mode 100644
index 0000000..1b44439
--- /dev/null
+++ b/Window.h
@@ -0,0 +1,50 @@
+#ifndef WINDOW_H_
+#define WINDOW_H_
+
+#include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
+#include "Drawer.h"
+#include "SidebarManager.h"
+#include "EditManager.h"
+#include "Level.h"
+
+
+class WindowManager;
+
+
+class Window {
+  private:
+    GtkWidget *window;
+    
+    EditManager editor;
+    
+    Drawer drawer;
+    SidebarManager sidebar;
+    
+    WindowManager *manager;
+    
+    Level level;
+    
+    // prevent shallow copy
+    Window(const Window &w);
+    const Window& operator=(const Window &w);
+    
+    static gboolean deleteEvent(GtkWidget *widget, GdkEvent *event, Window *window);
+  public:
+    Window(GdkGLConfig *glconfig, WindowManager *manager);
+    virtual ~Window();
+    
+    void show();
+    
+    void update();
+    
+    EditManager& getEditManager() {
+      return editor;
+    }
+    
+    Level& getLevel() {
+      return level;
+    }
+};
+
+#endif /*WINDOW_H_*/
diff --git a/WindowManager.cpp b/WindowManager.cpp
new file mode 100644
index 0000000..971a1df
--- /dev/null
+++ b/WindowManager.cpp
@@ -0,0 +1,28 @@
+#include "WindowManager.h"
+
+
+WindowManager::WindowManager(GdkGLConfig *glconfig) {
+  this->glconfig = glconfig;
+  
+  windows.push_back(new Window(glconfig, this));
+}
+
+WindowManager::~WindowManager() {
+  for(std::list<Window*>::iterator w = windows.begin(); w != windows.end(); w++)
+    delete *w;
+}
+
+void WindowManager::run() {
+  for(std::list<Window*>::iterator w = windows.begin(); w != windows.end(); w++)
+    (*w)->show();
+  
+  gtk_main();
+}
+
+void WindowManager::windowClosed(Window *window) {
+  windows.remove(window);
+  delete window;
+  
+  if(windows.empty())
+    gtk_main_quit();
+}
diff --git a/WindowManager.h b/WindowManager.h
new file mode 100644
index 0000000..20829e5
--- /dev/null
+++ b/WindowManager.h
@@ -0,0 +1,24 @@
+#ifndef WINDOWMANAGER_H_
+#define WINDOWMANAGER_H_
+
+#include <list>
+#include <gtk/gtk.h>
+#include <gtk/gtkgl.h>
+#include "Window.h"
+
+
+class WindowManager {
+  private:
+    GdkGLConfig *glconfig;
+    std::list<Window*> windows;
+    
+  public:
+    WindowManager(GdkGLConfig *glconfig);
+    virtual ~WindowManager();
+    
+    void run();
+    
+    void windowClosed(Window *window);
+};
+
+#endif /*WINDOWMANAGER_H_*/
diff --git a/draw.cpp b/draw.cpp
index 5df69e0..2f42005 100644
--- a/draw.cpp
+++ b/draw.cpp
@@ -193,7 +193,7 @@ float getScale() {
 }
 
 void setScale(float s) {
-  scale = MAX(0.005, MIN(s, 10000));
+  scale = s;
 }
 
 void imageToView(Vertex *v) {
diff --git a/edit.cpp b/edit.cpp
index 7d18186..487cf4f 100644
--- a/edit.cpp
+++ b/edit.cpp
@@ -1,4 +1,3 @@
-#include "Level.h"
 #include "edit.h"
 
 
@@ -14,6 +13,8 @@ static Room addRoom;
 static Vertex hoveredVertex;
 static int hasHoveredVertex = 0;
 
+static IdManager idManager;
+
 int getEditMode() {
   return editMode;
 }
@@ -67,7 +68,7 @@ void setHoveredVertex(Vertex *v) {
 }
 
 void startAddMode() {
-  addRoom = Room();
+  addRoom = Room(idManager.generate("room"));
   activeRoom = &addRoom;
   
   editMode = EDIT_MODE_ADD;
@@ -81,6 +82,10 @@ Room *getHoveredRoom() {
   return hoveredRoom;
 }
 
+IdManager *getIdManager() {
+  return &idManager;
+}
+
 static bool isLineOk(Line *l) {
   Line l2;
   
diff --git a/edit.h b/edit.h
index 1216624..92cc761 100644
--- a/edit.h
+++ b/edit.h
@@ -2,6 +2,7 @@
 #define EDIT_H_
 
 #include "Level.h"
+#include "IdManager.h"
 
 #define EDIT_MODE_VIEW     0
 #define EDIT_MODE_SELECTED 1
@@ -23,6 +24,8 @@ Room *getHoveredRoom();
 Vertex *getHoveredVertex();
 void setHoveredVertex(Vertex *v);
 
+IdManager *getIdManager();
+
 bool isVertexOk(Vertex *v);
 bool isPolygonOk(Polygon *polygon);
 
diff --git a/ui.cpp b/ui.cpp
index d3d0014..3ed249a 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -1,6 +1,5 @@
 #include "ui.h"
 #include "draw.h"
-#include "window.h"
 #include <gtk/gtk.h>
 #include <string.h>
 
@@ -27,12 +26,12 @@ static const gchar *uiData =
 
 
 static void handleAction(GtkAction *action, gpointer user_data) {
-  const gchar* name = gtk_action_get_name(action);
+  //const gchar* name = gtk_action_get_name(action);
   
-  if(!strcmp(name, "zoomIn"))
+  /*if(!strcmp(name, "zoomIn"))
     zoomInCentered(1.2f);
   else if(!strcmp(name, "zoomOut"))
-    zoomOutCentered(1.2f);
+    zoomOutCentered(1.2f);*/
 }
 
 static GtkActionGroup *createActions() {
diff --git a/window.cpp b/window.cpp
deleted file mode 100644
index 1deff6d..0000000
--- a/window.cpp
+++ /dev/null
@@ -1,419 +0,0 @@
-#include "window.h"
-#include "ui.h"
-#include "edit.h"
-#include "draw.h"
-#include <gtk/gtk.h>
-#include <gtk/gtkgl.h>
-#include <GL/gl.h>
-
-
-static GtkWidget *drawingArea = NULL, *sidebarView = NULL, *sidebarAdd = NULL;
-static GtkAdjustment *hAdjustment = NULL, *vAdjustment = NULL;
-
-static GtkWidget *entryName, *labelArea = NULL, *labelPerimeter = NULL, *buttonAdd = NULL, *buttonAddDo = NULL;
-
-
-static void refreshScrolling() {
-  if(getImageWidth() < drawingArea->allocation.width)
-    setXTranslate((getImageWidth()-drawingArea->allocation.width)/2);
-  else
-    setXTranslate(gtk_adjustment_get_value(hAdjustment));
-  
-  if(getImageHeight() < drawingArea->allocation.height)
-    setYTranslate((getImageHeight()-drawingArea->allocation.height)/2);
-  else 
-    setYTranslate(gtk_adjustment_get_value(vAdjustment));
-  
-  gtk_widget_queue_draw(drawingArea);
-}
-
-static void updateScrollbars(float x, float y) {
-  const gdouble imageWidth = getImageWidth(), imageHeight = getImageHeight();
-  const gdouble width = drawingArea->allocation.width, height = drawingArea->allocation.height;
-  gdouble upper, pageSize, value;
-  
-  gdk_window_freeze_updates(drawingArea->window);
-  
-  g_object_get(G_OBJECT(hAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
-  g_object_set(G_OBJECT(hAdjustment), "upper", imageWidth, "page_size", width, NULL);
-  gtk_adjustment_changed(hAdjustment);
-  
-  if((pageSize > upper && width < imageWidth) || upper == 0)
-    value = (imageWidth-width)/2;
-  else
-    value = (gtk_adjustment_get_value(hAdjustment)+pageSize*x)/upper*imageWidth-width*x;
-  gtk_adjustment_set_value(hAdjustment, MAX(MIN(value, imageWidth-width), 0));
-  
-  g_object_get(G_OBJECT(vAdjustment), "upper", &upper, "page_size", &pageSize, NULL);
-  g_object_set(G_OBJECT(vAdjustment), "upper", imageHeight, "page_size", height, NULL);
-  gtk_adjustment_changed(vAdjustment);
-  
-  if((pageSize > upper && height < imageHeight) || upper == 0)
-    value = (imageHeight-height)/2;
-  else
-    value = (gtk_adjustment_get_value(vAdjustment)+pageSize*y)/upper*imageHeight-height*y;
-  gtk_adjustment_set_value(vAdjustment, MAX(MIN(value, imageHeight-height), 0));
-  
-  gdk_window_thaw_updates(drawingArea->window);
-  
-  refreshScrolling();
-}
-
-static gboolean deleteEvent(GtkWidget *widget, GdkEvent  *event, gpointer data) {
-  return FALSE;
-}
-
-static void realize(GtkWidget *widget, gpointer data) {
-  GdkGLContext *context = gtk_widget_get_gl_context(widget);
-  GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(widget);
-  
-  if(!gdk_gl_drawable_gl_begin(drawable, context))
-    return;
-  
-  glClearColor(0.0, 0.0, 0.0, 1.0);
-  
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  glEnable(GL_BLEND);
-  
-  glEnable(GL_LINE_SMOOTH);
-  
-  glViewport(0, 0, widget->allocation.width, widget->allocation.height);
-  
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  
-  if(widget->allocation.width != 0 && widget->allocation.height != 0) {
-    glTranslatef(-1, 1, 0);
-    glScalef(2.0f/widget->allocation.width, -2.0f/widget->allocation.height, 1);
-  }
-  
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
-  
-  gdk_gl_drawable_gl_end(drawable);
-}
-
-static gboolean configureEvent(GtkWidget *widget, GdkEventConfigure *event, gpointer data) {
-  GdkGLContext *context = gtk_widget_get_gl_context(widget);
-  GdkGLDrawable *drawable = gtk_widget_get_gl_drawable(widget);
-
-  if(!gdk_gl_drawable_gl_begin(drawable, context))
-    return FALSE;
-
-  glViewport(0, 0, widget->allocation.width, widget->allocation.height);
-  
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  
-  if(widget->allocation.width != 0 && widget->allocation.height != 0) {
-    glTranslatef(-1, 1, 0);
-    glScalef(2.0f/widget->allocation.width, -2.0f/widget->allocation.height, 1);
-  }
-  
-  gdk_gl_drawable_gl_end(drawable);
-  
-  updateScrollbars(0.5, 0.5);
-  
-  return TRUE;
-}
-
-
-static gboolean scrollEvent(GtkWidget *widget, GdkEventScroll *event, gpointer user_data) {
-  const float x = event->x/widget->allocation.width, y = event->y/widget->allocation.height;
-  
-  switch(event->direction) {
-    case GDK_SCROLL_UP:
-      zoomIn(1.1f, x, y);
-      return TRUE;
-    case GDK_SCROLL_DOWN:
-      zoomOut(1.1f, x, y);
-      return TRUE;
-    default:
-      return FALSE;
-  }
-}
-
-static gboolean buttonEvent(GtkWidget *widget, GdkEventButton *event, gpointer user_data) {
-  Vertex v(event->x, event->y);
-  
-  switch(event->type) {
-    case GDK_BUTTON_PRESS:
-      switch(event->button) {
-        case 1:
-          switch(getEditMode()) {
-            case EDIT_MODE_VIEW:
-            case EDIT_MODE_SELECTED:
-              setActiveRoom(getHoveredRoom());
-              
-              updateSidebar();
-              
-              break;
-            case EDIT_MODE_ADD:
-              viewToImage(&v);
-              
-              if(isVertexOk(&v)) {
-                getActiveRoom()->push_back(v);
-                updateSidebar();
-              }
-          }
-          
-          gtk_widget_queue_draw(drawingArea);
-      }
-      
-      return TRUE;
-    default:
-      return FALSE;
-  }
-}
-
-gboolean crossingNotifyEvent(GtkWidget *widget, GdkEventCrossing *event, gpointer user_data) {
-  Vertex v(event->x, event->y);
-  
-  switch(event->type) {
-    case GDK_ENTER_NOTIFY:
-      viewToImage(&v);
-      
-      setHoveredVertex(&v);
-      
-      gtk_widget_queue_draw(drawingArea);
-      
-      return TRUE;
-    case GDK_LEAVE_NOTIFY:
-      setHoveredVertex(NULL);
-      
-      gtk_widget_queue_draw(drawingArea);
-      
-      return TRUE;
-    default:
-      return FALSE;
-  }
-}
-
-gboolean motionNotifyEvent(GtkWidget *widget, GdkEventMotion *event, gpointer user_data) {
-  Vertex v(event->x, event->y);
-  Room *last = getHoveredRoom();
-  
-  viewToImage(&v);
-  
-  setHoveredVertex(&v);
-  
-  if(getHoveredRoom() != last || getEditMode() == EDIT_MODE_ADD)
-    gtk_widget_queue_draw(drawingArea);
-  
-  return TRUE;
-}
-
-static void destroy(GtkWidget *widget, gpointer data) {
-  gtk_main_quit();
-}
-
-static void sidebarNameChanged(GtkEditable *editable, gpointer user_data) {
-  if(getActiveRoom() == NULL) return;
-  
-  getActiveRoom()->setName(std::string(gtk_entry_get_text(GTK_ENTRY(entryName))));
-}
-
-static void sidebarButtonClicked(GtkButton *button, gpointer user_data) {
-  if(button == GTK_BUTTON(buttonAdd)) {
-    startAddMode();
-    updateSidebar();
-    
-    gtk_widget_queue_draw(drawingArea);
-  }
-  else if(button == GTK_BUTTON(buttonAddDo)) {
-    if(getActiveRoom() && getActiveRoom()->size() > 2 && isPolygonOk(getActiveRoom())) {
-      getLevel()->push_back(*getActiveRoom());
-      setActiveRoom(&getLevel()->back());
-    }
-    
-    endAddMode();
-    updateSidebar();
-    
-    gtk_widget_queue_draw(drawingArea);
-  }
-}
-
-static GtkWidget* createSidebar() {
-  GtkWidget *sidebar, *labelRoomInfo, *labelName;
-  GtkWidget *tableRoomData, *labelAreaLabel, *labelPerimeterLabel;
-  
-  sidebar = gtk_hbox_new(FALSE, 0);
-  
-  // View sidebar
-  sidebarView = gtk_vbox_new(FALSE, 0);
-  gtk_box_pack_start(GTK_BOX(sidebar), sidebarView, FALSE, FALSE, 5);
-  
-  labelRoomInfo = gtk_label_new(NULL);
-  gtk_label_set_markup(GTK_LABEL(labelRoomInfo), "<b>Room info:</b>");
-  gtk_misc_set_alignment(GTK_MISC(labelRoomInfo), 0.0, 0.5);
-  gtk_box_pack_start(GTK_BOX(sidebarView), labelRoomInfo, FALSE, FALSE, 5);
-  
-  gtk_box_pack_start(GTK_BOX(sidebarView), gtk_hseparator_new(), FALSE, FALSE, 5);
-  
-  labelName = gtk_label_new("Name:");
-  gtk_misc_set_alignment(GTK_MISC(labelName), 0.0, 0.5);
-  gtk_box_pack_start(GTK_BOX(sidebarView), labelName, FALSE, FALSE, 0);
-  
-  entryName = gtk_entry_new();
-  gtk_widget_set_sensitive(entryName, FALSE);
-  g_signal_connect(G_OBJECT(entryName), "changed", G_CALLBACK(sidebarNameChanged), NULL);
-  gtk_box_pack_start(GTK_BOX(sidebarView), entryName, FALSE, FALSE, 0);
-      
-  tableRoomData = gtk_table_new(2, 2, FALSE);
-  gtk_table_set_row_spacings(GTK_TABLE(tableRoomData), 5);
-  gtk_table_set_col_spacings(GTK_TABLE(tableRoomData), 10);
-  gtk_box_pack_start(GTK_BOX(sidebarView), tableRoomData, FALSE, FALSE, 5);
-  
-  labelAreaLabel = gtk_label_new("Room area:");
-  gtk_misc_set_alignment(GTK_MISC(labelAreaLabel), 0.0, 0.5);
-  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelAreaLabel, 0, 1, 0, 1);
-  
-  labelArea = gtk_label_new(NULL);
-  gtk_misc_set_alignment(GTK_MISC(labelArea), 1.0, 0.5);
-  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelArea, 1, 2, 0, 1);
-  
-  labelPerimeterLabel = gtk_label_new("Room perimeter:");
-  gtk_misc_set_alignment(GTK_MISC(labelPerimeterLabel), 0.0, 0.5);
-  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelPerimeterLabel, 0, 1, 1, 2);
-  
-  labelPerimeter = gtk_label_new(NULL);
-  gtk_misc_set_alignment(GTK_MISC(labelPerimeter), 1.0, 0.5);
-  gtk_table_attach_defaults(GTK_TABLE(tableRoomData), labelPerimeter, 1, 2, 1, 2);
-  
-  buttonAdd = gtk_button_new_with_label("Add room");
-  g_signal_connect(G_OBJECT(buttonAdd), "clicked", G_CALLBACK(sidebarButtonClicked), NULL);
-  gtk_box_pack_end(GTK_BOX(sidebarView), buttonAdd, FALSE, FALSE, 0);
-  
-  // Add sidebar
-  sidebarAdd = gtk_vbox_new(FALSE, 0);
-  gtk_box_pack_start(GTK_BOX(sidebar), sidebarAdd, FALSE, FALSE, 5);
-  
-  labelRoomInfo = gtk_label_new(NULL);
-  gtk_label_set_markup(GTK_LABEL(labelRoomInfo), "<b>Add room</b>");
-  gtk_misc_set_alignment(GTK_MISC(labelRoomInfo), 0.0, 0.5);
-  gtk_box_pack_start(GTK_BOX(sidebarAdd), labelRoomInfo, FALSE, FALSE, 5);
-  
-  buttonAddDo = gtk_button_new_with_label("Add room");
-  g_signal_connect(G_OBJECT(buttonAddDo), "clicked", G_CALLBACK(sidebarButtonClicked), NULL);
-  gtk_box_pack_end(GTK_BOX(sidebarAdd), buttonAddDo, FALSE, FALSE, 0);
-  
-  return sidebar;
-}
-
-GtkWidget* createMainWindow(GdkGLConfig *glconfig) {
-  GtkWidget *window, *hPaned, *vbox, *table, *vScroll, *hScroll, *sidebar;
-  
-  
-  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-  gtk_window_set_default_size(GTK_WINDOW(window), 640, 480);
-  g_signal_connect(G_OBJECT(window), "delete-event", G_CALLBACK(deleteEvent), NULL);
-  g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL);
-  
-  vbox = gtk_vbox_new(FALSE, 0);
-  gtk_container_add(GTK_CONTAINER(window), vbox);
-  
-  gtk_box_pack_start(GTK_BOX(vbox), getMenu(), FALSE, FALSE, 0);
-  gtk_box_pack_start(GTK_BOX(vbox), getToolbar(), FALSE, FALSE, 0);
-  
-  gtk_window_add_accel_group(GTK_WINDOW(window), getAccels());
-  
-  hPaned = gtk_hpaned_new();
-  gtk_box_pack_end(GTK_BOX(vbox), hPaned, TRUE, TRUE, 0);
-  
-  table = gtk_table_new(2, 2, FALSE);
-  gtk_paned_pack1(GTK_PANED(hPaned), table, TRUE, TRUE);
-  
-  drawingArea = gtk_drawing_area_new();
-  gtk_widget_set_gl_capability(drawingArea, glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE);
-  gtk_widget_set_double_buffered(drawingArea, FALSE);
-  g_signal_connect(G_OBJECT(drawingArea), "realize", G_CALLBACK(realize), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "configure-event", G_CALLBACK(configureEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "expose-event", G_CALLBACK(drawTopView), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "button-press-event", G_CALLBACK(buttonEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "button-release-event", G_CALLBACK(buttonEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "enter-notify-event", G_CALLBACK(crossingNotifyEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "leave-notify-event", G_CALLBACK(crossingNotifyEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "motion-notify-event", G_CALLBACK(motionNotifyEvent), NULL);
-  g_signal_connect(G_OBJECT(drawingArea), "scroll-event", G_CALLBACK(scrollEvent), NULL);
-  gtk_widget_add_events(drawingArea, GDK_SCROLL_MASK | GDK_POINTER_MOTION_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
-  gtk_table_attach(GTK_TABLE(table), drawingArea, 0, 1, 0, 1, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
-  
-  hAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
-  hScroll = gtk_hscrollbar_new(hAdjustment);
-  g_signal_connect(G_OBJECT(hScroll), "value-changed", G_CALLBACK(refreshScrolling), NULL);
-  gtk_table_attach(GTK_TABLE(table), hScroll, 0, 1, 1, 2, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), (GtkAttachOptions)0, 0, 0);
-  
-  vAdjustment = GTK_ADJUSTMENT(gtk_adjustment_new(0, 0, 0, 10, 100, 100));
-  vScroll = gtk_vscrollbar_new(vAdjustment);
-  g_signal_connect(G_OBJECT(vScroll), "value-changed", G_CALLBACK(refreshScrolling), NULL);
-  gtk_table_attach(GTK_TABLE(table), vScroll, 1, 2, 0, 1, (GtkAttachOptions)0, (GtkAttachOptions)(GTK_FILL|GTK_EXPAND|GTK_SHRINK), 0, 0);
-  
-  sidebar = createSidebar();
-  gtk_paned_pack2(GTK_PANED(hPaned), sidebar, FALSE, TRUE);
-  
-  gtk_widget_show_all(vbox);
-  gtk_widget_hide(sidebarAdd);
-  
-  return window;
-}
-
-void updateSidebar() {
-  gchar *string;
-  
-  switch(getEditMode()) {
-    case EDIT_MODE_VIEW:
-    case EDIT_MODE_SELECTED:
-      gtk_widget_hide(sidebarAdd);
-      gtk_widget_show(sidebarView);
-      
-      if(getActiveRoom()) {
-        gtk_entry_set_text(GTK_ENTRY(entryName), getActiveRoom()->getName().c_str());
-        gtk_widget_set_sensitive(entryName, TRUE);
-        
-        string = g_strdup_printf("%.2f", getActiveRoom()->area());
-        gtk_label_set_text(GTK_LABEL(labelArea), string);
-        g_free(string);
-        
-        string = g_strdup_printf("%.2f", getActiveRoom()->perimeter());
-        gtk_label_set_text(GTK_LABEL(labelPerimeter), string);
-        g_free(string);
-      }
-      else {
-        gtk_entry_set_text(GTK_ENTRY(entryName), "");
-        gtk_widget_set_sensitive(entryName, FALSE);
-        
-        gtk_label_set_text(GTK_LABEL(labelArea), NULL);
-        gtk_label_set_text(GTK_LABEL(labelPerimeter), NULL);
-      }
-      
-      break;
-    case EDIT_MODE_ADD:
-      gtk_widget_hide(sidebarView);
-      gtk_widget_show(sidebarAdd);
-      
-      if(getActiveRoom()) {
-        if(getActiveRoom()->size() > 2 && isPolygonOk(getActiveRoom()))
-          gtk_widget_set_sensitive(buttonAddDo, TRUE);
-        else
-          gtk_widget_set_sensitive(buttonAddDo, FALSE);
-      }
-  }
-}
-
-void zoomIn(float factor, float x, float y) {
-  setScale(getScale()*factor);
-  updateScrollbars(x, y);
-}
-
-void zoomOut(float factor, float x, float y) {
-  setScale(getScale()/factor);
-  updateScrollbars(x, y);
-}
-
-void zoomInCentered(float factor) {
-  zoomIn(factor, 0.5, 0.5);
-}
-
-void zoomOutCentered(float factor) {
-  zoomOut(factor, 0.5, 0.5);
-}
diff --git a/window.h b/window.h
deleted file mode 100644
index ba0562e..0000000
--- a/window.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef WINDOW_H_
-#define WINDOW_H_
-
-#include <gtk/gtk.h>
-#include <gtk/gtkgl.h>
-
-
-GtkWidget* createMainWindow(GdkGLConfig *glconfig);
-
-void updateSidebar();
-
-void zoomIn(float factor, float x, float y);
-void zoomOut(float factor, float x, float y);
-void zoomInCentered(float factor);
-void zoomOutCentered(float factor);
-
-#endif /*WINDOW_H_*/
diff --git a/zoomedit.cpp b/zoomedit.cpp
index 580e224..682127c 100644
--- a/zoomedit.cpp
+++ b/zoomedit.cpp
@@ -2,15 +2,12 @@
 #include <gtk/gtkgl.h>
 #include <stdlib.h>
 #include "Level.h"
-#include "window.h"
+#include "WindowManager.h"
 #include "edit.h"
 
 
 int main(int argc, char *argv[]) {
   GdkGLConfig *glconfig;
-  GtkWidget *window;
-  
-  setLevel(new Level());
   
   gtk_init(&argc, &argv);
   gtk_gl_init(&argc, &argv);
@@ -22,13 +19,9 @@ int main(int argc, char *argv[]) {
     exit (1);
   }
   
-  window = createMainWindow(glconfig);
-  
-  gtk_widget_show(window);
-  
-  gtk_main();
+  WindowManager window(glconfig);
   
-  delete getLevel();
+  window.run();
   
   return 0;
 }