diff --git a/source/blender/src/drawobject.c b/source/blender/src/drawobject.c
index bc24100b954..76dad6c3f15 100644
--- a/source/blender/src/drawobject.c
+++ b/source/blender/src/drawobject.c
@@ -241,8 +241,9 @@ static void draw_icon_centered(float *pos, unsigned int *rect, int rectsize)
 	
 		/* use bitmap to shift rasterpos in pixels */
 	glBitmap(0, 0, 0.0, 0.0, -hsize, -hsize, &dummy);
-	glFinish(); /* for sun */
-	
+#ifdef __sun__
+	glFinish(); 
+#endif	
 	glDrawPixels(rectsize, rectsize, GL_RGBA, GL_UNSIGNED_BYTE, rect);
 }
 
@@ -2113,7 +2114,7 @@ static void drawDispList(Object *ob, int dt)
 				MFace *curface;
 				int i;
 				unsigned char r,g,b;
-				float val1,val2,val3,val4;
+				float val1,val2,val3,val4=0;
 				
 				wtcol = curwt= MEM_callocN (sizeof (unsigned char) * me->totface*4*4, "weightmap");
 				
@@ -3646,7 +3647,7 @@ void draw_object_ext(Base *base)
 	ScrArea *tempsa, *sa;
 	View3D *vd;
 	
-	if(G.vd==0) return;
+	if(G.vd==NULL || base==NULL) return;
 	
 	if(G.vd->drawtype > OB_WIRE) {
 		G.zbuf= 1;
@@ -3679,7 +3680,6 @@ void draw_object_ext(Base *base)
 	
 	G.f &= ~G_DRAW_EXT;
 
-	glFinish();
 	glDrawBuffer(GL_BACK);
 	
 	if(G.zbuf) {
diff --git a/source/blender/src/editview.c b/source/blender/src/editview.c
index 0d012b0b3cb..bbeddd2952c 100644
--- a/source/blender/src/editview.c
+++ b/source/blender/src/editview.c
@@ -379,22 +379,23 @@ void deselectall(void)	/* is toggle */
 
 }
 
-static void deselectall_ex(Base *b)   /* deselect all except b */
+static void deselectall_except(Base *b)   /* deselect all except b */
 {
 	Base *base;
+	int redraw=0;
 
 	base= FIRSTBASE;
 	while(base) {
 		if (base->flag & SELECT) {
 			if(b!=base) {
-			
 				base->flag &= ~SELECT;
 				base->object->flag= base->flag;
-				draw_object_ext(base);	/* this test for layer */
+				redraw= 1;
 			}
 		}
 		base= base->next;
 	}
+	if(redraw) allqueue(REDRAWVIEW3D, 0);
 	countall();
 }
 
@@ -484,7 +485,7 @@ void set_active_object(Object *ob)
 
 void mouse_select(void)
 {
-	Base *base, *startbase=0, *basact=0, *oldbasact;
+	Base *base, *startbase=NULL, *basact=NULL, *oldbasact=NULL;
 	unsigned int buffer[MAXPICKBUF];
 	int temp, a, dist=100;
 	short hits, mval[2];
@@ -547,7 +548,7 @@ void mouse_select(void)
 	if(basact) {
 		if(G.obedit) {
 			/* only do select */
-			deselectall_ex(BASACT);
+			deselectall_except(BASACT);
 			basact->flag |= SELECT;
 			draw_object_ext(basact);
 		}
@@ -556,28 +557,26 @@ void mouse_select(void)
 			BASACT= basact;
 			
 			if((G.qual & LR_SHIFTKEY)==0) {
-				deselectall_ex(basact);
+				deselectall_except(basact);
 				basact->flag |= SELECT;
 			}
 			else {
-				if(oldbasact) if(oldbasact != basact) draw_object_ext(oldbasact);
-				
 				if(basact->flag & SELECT) {
 					if(basact==oldbasact)
 						basact->flag &= ~SELECT;
 				}
 				else basact->flag |= SELECT;
 			}
-			
-			/* if((basact->flag & SELECT)==0) BASACT= 0; */
+
+			// copy
 			basact->object->flag= basact->flag;
 			
+			// for visual speed
+			if(oldbasact != basact) draw_object_ext(oldbasact);
 			draw_object_ext(basact);
 
 			if(oldbasact != basact) {
-			
 				set_active_base(basact);
-				
 			}
 			
 			if(basact->object->type!=OB_MESH) {
@@ -599,7 +598,9 @@ void mouse_select(void)
 			allqueue(REDRAWNLA, 0);
 			allqueue(REDRAWHEADERS, 0);	/* To force display update for the posebutton */
 		}
-		
+
+		glFinish();		/* reveil frontbuffer drawing */
+
 	}
 
 	countall();
diff --git a/source/blender/src/view.c b/source/blender/src/view.c
index 590626088e0..f878fb5b51b 100644
--- a/source/blender/src/view.c
+++ b/source/blender/src/view.c
@@ -453,6 +453,7 @@ void viewmove(int mode)
 				si= sqrt(dvec[0]*dvec[0]+ dvec[1]*dvec[1]+ dvec[2]*dvec[2]);
 				si/= (2.0*TRACKBALLSIZE);
 				
+				/* is there an acceptable solution? (180 degrees limitor) */
 				if(si<1.0) {
 					Crossf(q1+1, firstvec, newvec);
 
@@ -467,20 +468,20 @@ void viewmove(int mode)
 					q1[3]*= si;
 					
 					QuatMul(G.vd->viewquat, q1, oldquat);
-				}
-				
-				if( (U.flag & TRACKBALL)==0 ) {
-				
-					/* rotate around z-axis (mouse x moves)  */
+
+					if( (U.flag & TRACKBALL)==0 ) {
 					
-					phi= 2*(mval[0]-mvalball[0]);
-					phi/= (float)curarea->winx;
-					si= sin(phi);
-					q1[0]= cos(phi);
-					q1[1]= q1[2]= 0.0;
-					q1[3]= si;
-					
-					QuatMul(G.vd->viewquat, G.vd->viewquat, q1);
+						/* rotate around z-axis (mouse x moves)  */
+						
+						phi= 2*(mval[0]-mvalball[0]);
+						phi/= (float)curarea->winx;
+						si= sin(phi);
+						q1[0]= cos(phi);
+						q1[1]= q1[2]= 0.0;
+						q1[3]= si;
+						
+						QuatMul(G.vd->viewquat, G.vd->viewquat, q1);
+					}
 				}
 			}
 			else if(mode==1) {	/* translate */