From 47a458b5345994584dc6f4959cbd3c0907f6782e Mon Sep 17 00:00:00 2001
From: arif <devnull@localhost>
Date: Thu, 17 Apr 2008 15:35:47 +0000
Subject: [PATCH] zoom abnormality is fixed, no more losing the sight of the
 graph while zooming

---
 cmd/smyrna/glmotion.c | 23 +++++++++++++++++++++++
 cmd/smyrna/topview.c  |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/cmd/smyrna/glmotion.c b/cmd/smyrna/glmotion.c
index d934f3bc7..46f381ed5 100644
--- a/cmd/smyrna/glmotion.c
+++ b/cmd/smyrna/glmotion.c
@@ -103,6 +103,29 @@ int glmotion_pan(ViewInfo * v)
 
 		redraw = TRUE;
 }
+int glmotion_adjust_pan(ViewInfo* v,float panx,float pany)
+{
+		float gldx,gldy;
+		if(v->active_camera ==-1)
+		{
+			gldx=GetOGLDistance(panx)/v->zoom*-1;
+			gldy=GetOGLDistance(pany)/v->zoom*-1;
+			v->panx=v->panx-gldx;
+			v->pany=v->pany+gldy;
+		}
+		else
+		{
+			gldx=GetOGLDistance(panx)/v->cameras[v->active_camera]->r;
+			gldy=GetOGLDistance(pany)/v->cameras[v->active_camera]->r;
+			v->cameras[v->active_camera]->x-=gldx;
+			v->cameras[v->active_camera]->y-=gldy;
+			v->cameras[v->active_camera]->targetx-=gldx;
+			v->cameras[v->active_camera]->targety+=gldy;
+		}
+
+		redraw = TRUE;
+
+}
 int glmotion_rotate(ViewInfo * v)
 {
 	v->cameras[v->active_camera]->angley-=v->mouse.dy/5;
diff --git a/cmd/smyrna/topview.c b/cmd/smyrna/topview.c
index 166eeaec8..4c05e6ed3 100755
--- a/cmd/smyrna/topview.c
+++ b/cmd/smyrna/topview.c
@@ -1317,7 +1317,7 @@ void drawtopologicalfisheye(topview* t)
 			    glVertex3f((GLfloat)x0,(GLfloat)y0,(GLfloat)0);
 			    glVertex3f((GLfloat)x,(GLfloat)y,(GLfloat)0);
 			}
-		    }
+			}
 		    else if (gg[n].active_level > level) {
 			find_physical_coords(hp, level, n, &x, &y);
 			glVertex3f((GLfloat)x0,(GLfloat)y0,(GLfloat)0);
-- 
2.40.0