Changeset 156:c5cdf6690cdf in glemon-0.x for graph_displayer_canvas.cc

Timestamp:

09/28/06 16:32:40 (18 years ago)

Author:

Hegyi Péter

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/glemon/trunk@2961

Message:

Zoom tracking of nodes is implemented and is switchable.

File:

• graph_displayer_canvas.cc (modified) (3 diffs)

graph_displayer_canvas.cc

@@ -6 +6 @@
   nodetextmap(mainw.mapstorage.graph), displayed_graph(*(root()), 0, 0),
   isbutton(0), active_item(NULL), target_item(NULL), nodemap_to_edit(""),
-  edgemap_to_edit(""), autoscale(true), radius_min(10), radius_max(40), radius_unit(1), mytab(mainw)
+  edgemap_to_edit(""), autoscale(true), zoomtrack(false), radius_min(10), radius_max(40), radius_unit(1), mytab(mainw)
 {
   //base event handler is move tool
@@ -228 +228 @@
 }
 
-void GraphDisplayerCanvas::setNodeView(bool autoscale_p, double min_p, double max_p, double unit_p)
+void GraphDisplayerCanvas::setNodeView(bool autoscale_p, bool zoomtrack_p, double min_p, double max_p, double unit_p)
 {
   autoscale=autoscale_p;
@@ -234 +234 @@
   radius_max=max_p;
   radius_unit=unit_p;
+
+  if((!zoomtrack) && zoomtrack_p)
+    {
+      fixed_zoom_factor=get_pixels_per_unit();
+    }
+
+  zoomtrack=zoomtrack_p;
+
   propertyChange(false, N_RADIUS);
 }
 
-void GraphDisplayerCanvas::getNodeView(bool & autoscale_p, double& min_p, double& max_p, double& unit_p)
+void GraphDisplayerCanvas::getNodeView(bool & autoscale_p, bool & zoomtrack_p, double& min_p, double& max_p, double& unit_p)
 {
   autoscale_p=autoscale;
+  zoomtrack_p=zoomtrack;
   min_p=radius_min;
   max_p=radius_max;