Recupero de disco los bloques libres.

[z.facultad/75.52/treemulator.git] / viewer / view_btree_data.cpp

diff --git a/viewer/view_btree_data.cpp b/viewer/view_btree_data.cpp
index 04889ccbdca9ba092fe104c7002ce526731c0dcb..2d4a753bb53771204877be50979b1229976a9d28 100644 (file)
--- a/viewer/view_btree_data.cpp
+++ b/viewer/view_btree_data.cpp
@@ -1,5 +1,6 @@
 
 #include "view_btree_data.h"
+#define NODE_PTR_WIDTH 5
 
 ViewBTreeData::ViewBTreeData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
        Canvas::Rect (*parent, x1, y1, x2, y2)
@@ -7,24 +8,20 @@ ViewBTreeData::ViewBTreeData (BTreeData *data, Canvas::Group *parent, double x1,
        this->data = data;
        property_fill_color () = "red";
        property_outline_color () = "black";
-
-       init (parent);
 }
 
 void ViewBTreeData::init (Canvas::Group *parent)
 {
-       double w = property_x2() - property_x1();
-       double h = property_y2() - property_y1();
-
-       std::string s = *data;
-       new Canvas::Text (*parent, property_x1()+w/2, h/2, s);
 }
                
 bool ViewBTreeData::on_event (GdkEvent *p1)
 {
        switch (p1->type) {
                case GDK_BUTTON_PRESS:
-                       m_signal_clicked(data);
+                       SetSelected (true);
+               break;
+               case GDK_2BUTTON_PRESS:
+                       m_signal_double_clicked (data, this);
        }
 
        return Canvas::Rect::on_event (p1);
@@ -36,13 +33,22 @@ ViewBTreeData::type_signal_clicked ViewBTreeData::signal_clicked ()
        return m_signal_clicked;
 }
 
+ViewBTreeData::type_signal_double_clicked ViewBTreeData::signal_double_clicked ()
+{
+       return m_signal_double_clicked;
+}
+
+
 ViewBTreeData*
 ViewBTreeData::Create (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2)
 {
+       ViewBTreeData *ret;
        if (dynamic_cast<BTreeChildData *>(data))
-               return new ViewBTreeChildData (data, parent, x1, y1, x2, y2);
-
-       return new ViewBTreeData (data, parent, x1, y1, x2, y2);
+               ret = new ViewBTreeChildData (data, parent, x1, y1, x2, y2);
+       else
+               ret     = new ViewBTreeData (data, parent, x1, y1, x2, y2);
+       ret->init (parent);
+       return ret;
 }
 
 ViewBTreeChildData::ViewBTreeChildData (BTreeData *data, Canvas::Group *parent, double x1, double y1, double x2, double y2):
@@ -52,13 +58,23 @@ ViewBTreeChildData::ViewBTreeChildData (BTreeData *data, Canvas::Group *parent,
 
 void ViewBTreeChildData::init (Canvas::Group *parent)
 {
-       property_fill_color () = "yellow";
        property_outline_color () = "black";
+}
+
+void ViewBTreeData::SetSelected (bool b)
+{
+       if (b) {
+               property_fill_color () = "yellow";
+               m_signal_clicked(data, this);
+       } else {
+               property_fill_color () = "red";
+       }
+}
 
-       double w = property_x2() - property_x1();
-       double h = property_y2() - property_y1();
+bool ViewBTreeData::operator == (Clave &k) const
+{
+       if (!data->GetKey ()) return false;
 
-       std::string s = *data;
-       Canvas::Text *text = new Canvas::Text (*parent, property_x1()+w/2, h/2, s);
+       return (*(data->GetKey ())) == k;
 }