25 files changed, 140 insertions, 146 deletions

diff --git a/src/controller/exp004mouse.c b/src/controller/exp004mouse.c
index fb753d6..9a556ae 100644
--- a/src/controller/exp004mouse.c
+++ b/src/controller/exp004mouse.c
@@ -37,13 +37,13 @@ exp004mouse (int button, int state, int x, int y)
           GLdouble model[16];
           glGetDoublev (GL_MODELVIEW_MATRIX, model);
           GLdouble projection[16];
-                  glGetDoublev (GL_PROJECTION_MATRIX, projection);  
+          glGetDoublev (GL_PROJECTION_MATRIX, projection);
           GLint viewport[4];
           glGetIntegerv (GL_VIEWPORT, viewport);
 
           check_error (__FILE__, __LINE__);
 
-                  GLdouble start_position[3];  
+          GLdouble start_position[3];
           gluUnProject (S.selection.x,
                         viewport[3] - S.selection.y,
                         0,
@@ -51,8 +51,7 @@ exp004mouse (int button, int state, int x, int y)
                         projection,
                         viewport,
                         &start_position[0],
-                        &start_position[1],
-                        &start_position[2]);
+                        &start_position[1], &start_position[2]);
 
           check_error (__FILE__, __LINE__);
 
@@ -63,12 +62,10 @@ exp004mouse (int button, int state, int x, int y)
                         model,
                         projection,
                         viewport,
-                        &end_position[0],
-                        &end_position[1],
-                                &end_position[2]); 
+                        &end_position[0], &end_position[1], &end_position[2]);
+
+          check_error (__FILE__, __LINE__);
 
-                  check_error (__FILE__, __LINE__);              
-       
           S.zoom.active = true;
           S.zoom.coords[0] = fmin (start_position[0], end_position[0]);
           S.zoom.coords[1] = fmax (start_position[0], end_position[0]);
@@ -76,7 +73,7 @@ exp004mouse (int button, int state, int x, int y)
           S.zoom.coords[3] = fmax (start_position[1], end_position[1]);
 
           exp004reshape (S.viewport.w, S.viewport.h);
-                     
+
           glutPostRedisplay ();
         }
 
@@ -85,27 +82,27 @@ exp004mouse (int button, int state, int x, int y)
        */
       if (S.selection.active && S.selection.purpose == SET)
         {
-          
+
           /*
            * "Specify the array to be used for the returned hit records
            * with glSelectBuffer () [Redbook]."
            */
           GLuint select_buf[ROWS];
           glSelectBuffer (ROWS, select_buf);
-          
+
           /*
            * "Enter selection mode by specifying GL_SELECT with
            * glRenderMode () [Redbook]."
            */
           glRenderMode (GL_SELECT);
-          
+
           /*
            * "Initialize the name stack using glInitNames () and glPush
            * Names () [Redbook]."
            */
           glInitNames ();
           glPushName (0);
-          
+
           /*
            * "Define the viewing volume you want to use for selection.
            * Usually this is different from the viewing volume you
@@ -116,10 +113,10 @@ exp004mouse (int button, int state, int x, int y)
           glMatrixMode (GL_PROJECTION);
           glPushMatrix ();
           glLoadIdentity ();
-          
+
           GLint viewport[4];
           glGetIntegerv (GL_VIEWPORT, viewport);
-          
+
           double c_x = 0.0;
           double c_y = 0.0;
           double w = 0.0;
@@ -127,37 +124,33 @@ exp004mouse (int button, int state, int x, int y)
           pick_convert (S.selection.x, S.selection.y, x, y,
                         &c_x, &c_y, &w, &h);
 
-          gluPickMatrix (c_x,
-                         (GLdouble)viewport[3] - c_y,
-                         w,
-                         h,
-                                 viewport);  
+          gluPickMatrix (c_x, (GLdouble) viewport[3] - c_y, w, h, viewport);
 
           set_ortho ();
-                    
+
           /*
            * "Alternately issue primitive drawing commands and commands to
            * manipulate the name stack so that each primitive of interest
            * has appropriate names assigned [Redbook]."
            */
           exp004geometry (GL_SELECT);
-          
-          glMatrixMode (GL_PROJECTION);      
+
+          glMatrixMode (GL_PROJECTION);
           glPopMatrix ();
           glutSwapBuffers ();
-          
+
           /*
            * "Exit selection mode and process the returned selection data
            * (the hit records) [Redbook]."
            */
           GLint hits = glRenderMode (GL_RENDER);
           check_error (__FILE__, __LINE__);
-          
+
           /* "process hits from selection mode rendering [Angel,2008]." */
           exp004processhits (hits, select_buf);
-          
-          /* "normal render [Angel,2008]." */      
-                  glutPostRedisplay (); 
+
+          /* "normal render [Angel,2008]." */
+          glutPostRedisplay ();
         }
 
     }