From 36d892d1f0f0a919e70f81abddaeb568f1f7625c Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Mon, 5 May 2008 19:26:05 +0000
Subject: zoomedit: * Use signals to inform RenderArea of view changes

---
 src/Gui/RenderArea.cpp | 56 +++++++++++++++++++++++++++++---------------------
 src/Gui/RenderArea.h   |  9 ++++----
 src/Gui/Window.cpp     |  8 --------
 src/Gui/Window.h       |  2 --
 4 files changed, 37 insertions(+), 38 deletions(-)

(limited to 'src/Gui')

diff --git a/src/Gui/RenderArea.cpp b/src/Gui/RenderArea.cpp
index b6686f5..41f76a6 100644
--- a/src/Gui/RenderArea.cpp
+++ b/src/Gui/RenderArea.cpp
@@ -52,35 +52,45 @@ RenderArea::RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade:
   gtk_widget_set_gl_capability(GTK_WIDGET(cobject), glconfig, 0, TRUE, GDK_GL_RGBA_TYPE);
 }
 
+void RenderArea::setView(View::View *view0) {
+  view = view0;
+  
+  if(viewUpdate)
+    viewUpdate.disconnect();
+  
+  if(view) {
+    viewUpdate = view->signalUpdate().connect(sigc::mem_fun(this, &RenderArea::queue_draw));
+    
+    if(is_realized()) {
+      if(!gdkGLBegin())
+        return;
+      
+      view->init();
+      view->resize(get_width(), get_height());
+      
+      gdkGLEnd();
+      
+      queue_draw();
+    }
+  }
+}
+
 void RenderArea::onRealize() {
   if(!gdkGLBegin())
     return;
   
-  glClearColor(0, 0, 0, 0);
-  
-  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-  glEnable(GL_BLEND);
-  
-  glEnable(GL_LINE_SMOOTH);
-  glEnable(GL_POINT_SMOOTH);
-  
-  glMatrixMode(GL_MODELVIEW);
-  glLoadIdentity();
+  if(view)
+    view->init();
   
   gdkGLEnd();
 }
 
-bool RenderArea::onConfigureEvent(GdkEventConfigure*) {
+bool RenderArea::onConfigureEvent(GdkEventConfigure *event) {
   if(!gdkGLBegin())
     return false;
   
-  glViewport(0, 0, get_width(), get_height());
-  
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  
-  if(get_width() != 0 && get_height() != 0)
-    glScalef(2.0f/get_width(), -2.0f/get_height(), 1);
+  if(view)
+    view->resize(event->width, event->height);
   
   gdkGLEnd();
   
@@ -94,7 +104,7 @@ bool RenderArea::onExposeEvent(GdkEventExpose*) {
     return false;
   
   if(view)
-    view->render(this);
+    view->render();
   
   gdkSwapBuffers();
   gdkGLEnd();
@@ -106,10 +116,10 @@ bool RenderArea::onScrollEvent(GdkEventScroll *event) {
   if(view) {
     switch(event->direction) {
       case GDK_SCROLL_UP:
-        view->zoom(this, 1, event->x - get_width()/2, event->y - get_height()/2);
+        view->zoom(1, event->x - get_width()/2, event->y - get_height()/2);
         return true;
       case GDK_SCROLL_DOWN:
-        view->zoom(this, -1, event->x - get_width()/2, event->y - get_height()/2);
+        view->zoom(-1, event->x - get_width()/2, event->y - get_height()/2);
         return true;
       default:
         return false;
@@ -121,7 +131,7 @@ bool RenderArea::onScrollEvent(GdkEventScroll *event) {
 
 bool RenderArea::onButtonPressEvent(GdkEventButton *event) {
   if(view && event->button == 1)
-    view->click(this, event->x, event->y);
+    view->click(event->x, event->y);
   
   return true;
 }
@@ -150,7 +160,7 @@ bool RenderArea::onMotionNotifyEvent(GdkEventMotion *event) {
   }
   
   if(view)
-    view->move(this, xHover - event->x, yHover - event->y, event->state);
+    view->move(xHover - event->x, yHover - event->y, event->state);
   
   xHover = event->x;
   yHover = event->y;
diff --git a/src/Gui/RenderArea.h b/src/Gui/RenderArea.h
index 6aa66df..d42a352 100644
--- a/src/Gui/RenderArea.h
+++ b/src/Gui/RenderArea.h
@@ -38,21 +38,20 @@ class RenderArea : public Gtk::DrawingArea {
     RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml>&);
     
     View::View* getView() const {return view;}
-    void setView(View::View *view0) {
-      view = view0;
-      queue_draw();
-    }
+    void setView(View::View *view0);
     
   private:
     static GdkGLConfig *glconfig;
     
     View::View *view;
     
+    sigc::connection viewUpdate;
+    
     bool inWindow;
     gdouble xHover, yHover;
     
     void onRealize();
-    bool onConfigureEvent(GdkEventConfigure*);
+    bool onConfigureEvent(GdkEventConfigure *event);
     bool onExposeEvent(GdkEventExpose*);
     bool onScrollEvent(GdkEventScroll *event);
     bool onButtonPressEvent(GdkEventButton *event);
diff --git a/src/Gui/Window.cpp b/src/Gui/Window.cpp
index df20876..f33edf0 100644
--- a/src/Gui/Window.cpp
+++ b/src/Gui/Window.cpp
@@ -29,9 +29,6 @@ Window::Window(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml> &x
   
   xml->get_widget_derived("RenderArea", renderArea);
   xml->get_widget_derived("MapArea", mapArea);
-  
-  if(renderArea)
-    renderArea->signal_expose_event().connect_notify(sigc::mem_fun(this, &Window::updateMap));
 }
 
 Window::~Window() {
@@ -42,10 +39,5 @@ Window::~Window() {
     delete mapArea;
 }
 
-void Window::updateMap(GdkEventExpose*) {
-  if(mapArea)
-    mapArea->queue_draw();
-}
-
 }
 }
diff --git a/src/Gui/Window.h b/src/Gui/Window.h
index 9b4f4ef..d2bd7aa 100644
--- a/src/Gui/Window.h
+++ b/src/Gui/Window.h
@@ -32,8 +32,6 @@ class Window : public Gtk::Window {
   private:
     RenderArea *renderArea, *mapArea;
     
-    void updateMap(GdkEventExpose*);
-    
   public:
     Window(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml> &xml);
     virtual ~Window();
-- 
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