Changed user interface to pan with the right mouse button so that the

left mouse button can be preserved for selection.  Fix bug in updating
the database with the current selection.  This bug was introduced with
the conversion to dynamic memory allocation for the number of
records. Indexing into the list of GI values is not handled correctly.

5 files changed, 12 insertions, 7 deletions

diff --git a/README b/README
index 737b89f..f3fe1b8 100644
--- a/README
+++ b/README
@@ -5,7 +5,7 @@ used to highlight the selection.
 
   ESC: Clear selection.
   
-  Left-click, drag: Pan.
+  Right-click, drag: Pan.
 
   CTRL + Left-click, drag and release: Add box to selection.
   
diff --git a/TODO b/TODO
index a188804..2da99f6 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,6 @@
 This is the todo list for the project.
 
 * Features to add:
-  - Preserve the aspect ratio when zooming.
   - Handle multiple selections defined by the user.
     . Save a selection.
     . Load a selection.
diff --git a/src/controller/actions/sel_save.sqc b/src/controller/actions/sel_save.sqc
index 79fa3de..922071e 100644
--- a/src/controller/actions/sel_save.sqc
+++ b/src/controller/actions/sel_save.sqc
@@ -29,7 +29,8 @@ sel_save (void)
     {
       if (S.selection.set[i] == true)
         {
-          strncpy (gi, S.gi_data + i + 3, sizeof (gi));
+          char *gi_data_row = S.gi_data + (i*20);
+          strncpy (gi, gi_data_row + 3, sizeof (gi));
           EXEC SQL INSERT INTO vis_selection VALUES (:gi);
         }
     }
diff --git a/src/controller/callbacks/mouse.c b/src/controller/callbacks/mouse.c
index 5f5be43..5b1a794 100644
--- a/src/controller/callbacks/mouse.c
+++ b/src/controller/callbacks/mouse.c
@@ -20,12 +20,16 @@
 void
 mouse (int button, int state, int x, int y)
 {
-  // Release left button.
-  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP)
+  // Release right button.
+  if (button == GLUT_RIGHT_BUTTON && state == GLUT_UP)
     {
       // Deactive a panning event if one was happening.
       S.pan.active = false;
+    }
 
+  // Release left button.
+  if (button == GLUT_LEFT_BUTTON && state == GLUT_UP)
+    {
       if (S.selection.active &&
           S.selection.purpose == ZOOM &&
           glutGetModifiers () == GLUT_ACTIVE_CTRL)
@@ -170,7 +174,7 @@ mouse (int button, int state, int x, int y)
     }
 
   // Pan.
-  if (button == GLUT_LEFT_BUTTON &&
+  if (button == GLUT_RIGHT_BUTTON &&
       state == GLUT_DOWN && glutGetModifiers () != GLUT_ACTIVE_CTRL)
     {
       /*
diff --git a/src/model/data/base.sqc b/src/model/data/base.sqc
index ad1c395..f15d18b 100644
--- a/src/model/data/base.sqc
+++ b/src/model/data/base.sqc
@@ -69,7 +69,8 @@ base (void)
     {
       int i = coordinates.coord_id - 1;
 
-      strncpy (S.gi_data + i, coordinates.gi.data, sizeof (S.gi_data[i]));
+      char *gi_data_row = S.gi_data + (i * 20);
+      strncpy (gi_data_row, coordinates.gi.data, sizeof (char) * 20);
 
       float *v = S.base_vertices_data + (i * 2);
       *v = coordinates.x;