added mousewheel support part 2

source/blender/include/BSE_drawipo.h

@@ -33,11 +33,18 @@
 #ifndef BSE_DRAWIPO_H
 #define BSE_DRAWIPO_H
 
+#define IN_2D_VERT_SCROLL(A) (BLI_in_rcti(&G.v2d->vert, A[0], A[1]))
+#define IN_2D_HORIZ_SCROLL(A) (BLI_in_rcti(&G.v2d->hor, A[0], A[1]))
+
+#define SELECT_REPLACE   1
+#define SELECT_ADD       2
+#define SELECT_SUBTRACT  4
+#define SELECT_INVERT   16
+
 struct EditIpo;
 struct View2D;
 struct rctf;
 
-
 void calc_ipogrid(void);
 void draw_ipogrid(void);
 
@@ -53,7 +60,7 @@ void drawscroll(int disptype);
 void drawipo(void);
 
 void scroll_ipobuts(void);
-void view2dzoom(void);
+int view2dzoom(unsigned short event);
 int view2dmove(void); 
 void view2dborder(void);
 

source/blender/makesdna/DNA_userdef_types.h

@@ -48,7 +48,8 @@ typedef struct UserDef {
 	char sounddir[64];
 	short versions, vrmlflag;	// tmp for export, will be replaced by strubi
 	int gameflags;
-	int dummy_1;
+	int wheellinescroll;
+	short uiflag, pad2;
 } UserDef;
 
 extern UserDef U; /* from usiblender.c !!!! */
@@ -71,6 +72,13 @@ extern UserDef U; /* from usiblender.c !!!! */
 #define TWOBUTTONMOUSE	4096
 #define NONUMPAD		8192
 
+/* uiflag */
+
+#define	KEYINSERTACT	1
+#define	KEYINSERTOBJ	2
+#define WHEELZOOMDIR	4
+#define FILTERFILEEXTS	8
+
 /* dupflag */
 #define DUPMESH			1
 #define DUPCURVE		2

source/blender/src/drawipo.c

@@ -56,6 +56,7 @@
 #include "DNA_screen_types.h"
 #include "DNA_space_types.h"
 #include "DNA_sequence_types.h"
+#include "DNA_userdef_types.h"
 
 #include "BKE_utildefines.h"
 #include "BKE_curve.h"
@@ -1440,24 +1441,77 @@ void scroll_ipobuts()
 
 
 
-void view2dzoom()
+int view2dzoom(unsigned short event)
 {
-	float fac, dx, dy;
+	float fac, dx, dy, wtemp;
 	short mval[2], mvalo[2];
-	
+
 	areawinset(curarea->win);	/* vanuit buttons */
 	curarea->head_swap= 0;
 	getmouseco_areawin(mvalo);
 	
-	while(get_mbut()&(L_MOUSE|M_MOUSE)) {
+	while( (get_mbut()&(L_MOUSE|M_MOUSE)) || 
-		getmouseco_areawin(mval);
+          (event==WHEELUPMOUSE) ||
-		
+          (event==WHEELDOWNMOUSE) ) {
-		if(mval[0]!=mvalo[0] || mval[1]!=mvalo[1]) {
+
-			
+    /* regular mousewheel:   zoom regular
+     * alt-shift mousewheel: zoom y only
+     * alt-ctrl mousewheel:  zoom x only
+     */
+		if (event==WHEELUPMOUSE) {
+			if(U.uiflag & WHEELZOOMDIR)
+				wtemp = -0.1154;
+			else
+				wtemp = 0.1154;
+
+			dx= (float)(wtemp*(G.v2d->cur.xmax-G.v2d->cur.xmin));
+			dy= (float)(wtemp*(G.v2d->cur.ymax-G.v2d->cur.ymin));
+
+      switch (G.qual & (LR_CTRLKEY|LR_SHIFTKEY|LR_ALTKEY)) {
+      case 0:
+        break;
+      case (LR_SHIFTKEY|LR_ALTKEY):
+        dx = 0;
+        break;
+      case (LR_CTRLKEY|LR_ALTKEY):
+        dy = 0;
+        break;
+      default:
+        return 0;
+        break;
+      }
+    }
+		else if (event==WHEELDOWNMOUSE) {
+			if(U.uiflag & WHEELZOOMDIR)
+				wtemp = 0.1154;
+			else
+				wtemp = -0.1154;
+			dx= (float)(wtemp*(G.v2d->cur.xmax-G.v2d->cur.xmin));
+			dy= (float)(wtemp*(G.v2d->cur.ymax-G.v2d->cur.ymin));
+
+      switch (G.qual & (LR_CTRLKEY|LR_SHIFTKEY|LR_ALTKEY)) {
+      case 0:
+        break;
+      case (LR_SHIFTKEY|LR_ALTKEY):
+        dx = 0;
+        break;
+      case (LR_CTRLKEY|LR_ALTKEY):
+        dy = 0;
+        break;
+      default:
+        return 0;
+        break;
+      }
+
+    }
+    else {
+      getmouseco_areawin(mval);
 			fac= 0.001*(mval[0]-mvalo[0]);
 			dx= fac*(G.v2d->cur.xmax-G.v2d->cur.xmin);
 			fac= 0.001*(mval[1]-mvalo[1]);
 			dy= fac*(G.v2d->cur.ymax-G.v2d->cur.ymin);
+    }
+		if(mval[0]!=mvalo[0] || mval[1]!=mvalo[1]) {
 			
 			G.v2d->cur.xmin+= dx;
 			G.v2d->cur.xmax-= dx;
@@ -1471,10 +1525,14 @@ void view2dzoom()
 			screen_swapbuffers();
 		}
 		else BIF_wait_for_statechange();
+    /* return if we were using the mousewheel
+     */
+    if ( (event==WHEELUPMOUSE) || (event==WHEELDOWNMOUSE) ) return 1;
 	}
+  return 1;
 }
 
-int view2dmove()
+int view2dmove(unsigned short event)
 {
 	/* return 1 als er iets gedaan is */
 	float facx=0.0, facy=0.0, dx, dy, left=1.0, right=1.0;
@@ -1484,11 +1542,18 @@ int view2dmove()
 	scrarea_do_windraw(curarea);
 	curarea->head_swap= 0;
 
-	
+	/* try to do some zooming if the
-	if(G.qual & LR_CTRLKEY) {
+	 * middlemouse and ctrl are pressed
-		view2dzoom();
+	 * or if the mousewheel is being used.
-		curarea->head_swap= 0;
+	 * Return if zooming was done.
-		return 0;
+	 */
+	if ( (G.qual & LR_CTRLKEY) ||
+		(event==WHEELUPMOUSE) || 
+		(event==WHEELDOWNMOUSE) ) {
+		if (view2dzoom(event)) {
+			curarea->head_swap= 0;
+			return 0;
+		}
 	}
 	
 	/* testen waar muis is */
@@ -1500,7 +1565,7 @@ int view2dmove()
 				facx= (G.v2d->cur.xmax-G.v2d->cur.xmin)/(float)(G.v2d->mask.xmax-G.v2d->mask.xmin);
 				facy= (G.v2d->cur.ymax-G.v2d->cur.ymin)/(float)(G.v2d->mask.ymax-G.v2d->mask.ymin);
 			}
-			else if(BLI_in_rcti(&G.v2d->vert, (int)mvalo[0], (int)mvalo[1])) {
+			else if(IN_2D_VERT_SCROLL((int)mvalo)) {
 				facy= -(G.v2d->tot.ymax-G.v2d->tot.ymin)/(float)(G.v2d->mask.ymax-G.v2d->mask.ymin);
 				if(get_mbut()&L_MOUSE) {
 					/* welk deel van de scrollbar moet bewegen? */
@@ -1509,7 +1574,7 @@ int view2dmove()
 					leftret= 0;
 				}
 			}
-			else if(BLI_in_rcti(&G.v2d->hor, (int)mvalo[0], (int)mvalo[1])) {
+			else if(IN_2D_HORIZ_SCROLL((int)mvalo)) {
 				facx= -(G.v2d->tot.xmax-G.v2d->tot.xmin)/(float)(G.v2d->mask.xmax-G.v2d->mask.xmin);
 				if(get_mbut()&L_MOUSE) {
 					/* welk deel van de scrollbar moet bewegen? */
@@ -1531,31 +1596,76 @@ int view2dmove()
 		if(get_mbut()&L_MOUSE && leftret) return 0;
 		if(facx==0.0 && facy==0.0) return 1;
 		
-		while(get_mbut()&(L_MOUSE|M_MOUSE)) {
+    while( (get_mbut()&(L_MOUSE|M_MOUSE)) || 
-			getmouseco_areawin(mval);
+           (event==WHEELUPMOUSE) ||
-			if(mval[0]!=mvalo[0] || mval[1]!=mvalo[1]) {
+           (event==WHEELDOWNMOUSE) ) {
-				dx= facx*(mvalo[0]-mval[0]);
-				dy= facy*(mvalo[1]-mval[1]);
-				G.v2d->cur.xmin+= left*dx;
-				G.v2d->cur.xmax+= right*dx;
-				G.v2d->cur.ymin+= left*dy;
-				G.v2d->cur.ymax+= right*dy;
-				
-				test_view2d(G.v2d, curarea->winx, curarea->winy);
-				
-				scrarea_do_windraw(curarea);
-				screen_swapbuffers();
-				
-				mvalo[0]= mval[0];
-				mvalo[1]= mval[1];
-				
-			}
-			else BIF_wait_for_statechange();
-		}
-		curarea->head_swap= 0;
-		return 1;
-}
 
+      /* If the mousewheel is used with shift key
+       * the scroll up and down. If the mousewheel
+       * is used with the ctrl key then scroll left
+       * and right.
+       */
+      if (event==WHEELUPMOUSE) {
+        switch (G.qual & (LR_CTRLKEY|LR_SHIFTKEY|LR_ALTKEY)) {
+        case (LR_SHIFTKEY):
+          dx = 0.0;
+          dy= facy*10.0;
+          break;
+        case (LR_CTRLKEY):
+          dx= facx*10.0;
+          dy = 0.0;
+          break;
+        default:
+          return 0;
+          break;
+        }
+      }
+      else if (event==WHEELDOWNMOUSE) {
+        switch (G.qual & (LR_CTRLKEY|LR_SHIFTKEY|LR_ALTKEY)) {
+        case (LR_SHIFTKEY):
+          dx = 0.0;
+          dy= -facy*10.0;
+          break;
+        case (LR_CTRLKEY):
+          dx= -facx*10.0;
+          dy = 0.0;
+          break;
+        default:
+          return 0;
+          break;
+        }
+      }
+      else {
+        getmouseco_areawin(mval);
+        dx= facx*(mvalo[0]-mval[0]);
+        dy= facy*(mvalo[1]-mval[1]);
+      }
+
+      if(mval[0]!=mvalo[0] || mval[1]!=mvalo[1]) {
+
+        G.v2d->cur.xmin+= left*dx;
+        G.v2d->cur.xmax+= right*dx;
+        G.v2d->cur.ymin+= left*dy;
+        G.v2d->cur.ymax+= right*dy;
+				
+        test_view2d(G.v2d, curarea->winx, curarea->winy);
+				
+        scrarea_do_windraw(curarea);
+        screen_swapbuffers();
+				
+        mvalo[0]= mval[0];
+        mvalo[1]= mval[1];
+				
+      }
+      else BIF_wait_for_statechange();
+      /* return if we were using the mousewheel
+       */
+      if ( (event==WHEELUPMOUSE) || (event==WHEELDOWNMOUSE) ) return 1;
+    }
+
+    curarea->head_swap= 0;
+    return 1;
+}
 
 void view2dborder(void)
 {

source/blender/src/drawtext.c

@@ -55,6 +55,7 @@
 #include "DNA_text_types.h"
 #include "DNA_space_types.h"
 #include "DNA_screen_types.h"
+#include "DNA_userdef_types.h"
 
 #include "BKE_utildefines.h"
 #include "BKE_text.h"
@@ -1142,12 +1143,12 @@ void winqreadtextspace(unsigned short event, short val, char ascii)
 			break;
 
 		case WHEELUPMOUSE:
-			screen_skip(st, -3);
+			screen_skip(st, -U.wheellinescroll);
 			do_draw= 1;
 			break;
 
 		case WHEELDOWNMOUSE:
-			screen_skip(st, 3);
+			screen_skip(st, U.wheellinescroll);
 			do_draw= 1;
 			break;
 		}

source/blender/src/editaction.c

@@ -673,7 +673,7 @@ void paste_posebuf (int flip){
 	/* Safely merge all of the channels in this pose into
 	any existing pose */
 	if (ob->pose){
-		if (U.flag & 0x01<<14){
+		if (U.uiflag & KEYINSERTACT){
 			/* Display "Avail, all" dialog */
 		}
 		for (chan=g_posebuf->chanbase.first; chan; chan=chan->next){
@@ -691,7 +691,7 @@ void paste_posebuf (int flip){
 
 				temp = set_pose_channel (ob->pose, temp);
 
-				if (U.flag & 0x01<<14){
+				if (U.uiflag & KEYINSERTACT){
 					/* Set keys on pose */
 					if (chan->flag & POSE_ROT){
 						set_action_key(ob->action, temp, AC_QUAT_X, newchan);
@@ -713,7 +713,7 @@ void paste_posebuf (int flip){
 			}
 		}
 
-		if (U.flag & 0x01<<14){
+		if (U.uiflag & KEYINSERTACT){
 			remake_action_ipos(ob->action);
 			allqueue (REDRAWIPO, 0);
 			allqueue (REDRAWVIEW3D, 0);
@@ -1488,6 +1488,8 @@ void winqreadactionspace(unsigned short event, short val, char ascii)
 			
 			break;
 		case MIDDLEMOUSE:
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
 			view2dmove();	/* in drawipo.c */
 			break;
 		}

source/blender/src/editimasel.c

@@ -53,6 +53,7 @@
 
 #include "DNA_screen_types.h"
 #include "DNA_space_types.h"
+#include "DNA_userdef_types.h"
 
 #include "BKE_global.h"
 
@@ -273,8 +274,8 @@ void winqreadimasel(unsigned short event, short val, char ascii)
 		case IMS_INDIRSLI:
 		case IMS_INDIR:
 			if (simasel->dirsli){
-				if (event == WHEELUPMOUSE)	simasel->topdir -= 1;
+				if (event == WHEELUPMOUSE)	simasel->topdir -= U.wheellinescroll;
-				if (event == WHEELDOWNMOUSE)	simasel->topdir += 1; 	
+				if (event == WHEELDOWNMOUSE)	simasel->topdir += U.wheellinescroll; 	
 				queredraw = 1;
 			}
 			break;

source/blender/src/editnla.c

@@ -227,6 +227,8 @@ int calc_memleak (void* ptr){
 			
 			break;
 		case MIDDLEMOUSE:
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
 			view2dmove();	/* in drawipo.c */
 			break;
 		}

source/blender/src/editobject.c

@@ -3249,7 +3249,7 @@ void special_aftertrans_update(char mode, int flip, short canceled, int keyflags
 		bPose	*pose;
 		bPoseChannel *pchan;
 
-		if (U.flag & (0x01<<14) && !canceled){
+		if (U.uiflag & KEYINSERTACT && !canceled){
 			act=G.obpose->action;
 			pose=G.obpose->pose;
 			
@@ -3339,7 +3339,7 @@ void special_aftertrans_update(char mode, int flip, short canceled, int keyflags
 			where_is_object(ob);	/* altijd ivm track eytc */
 
 			/* Set autokey if necessary */
-			if ((U.flag & (0x01<<15)) && (!canceled) && (base->flag & SELECT)){
+			if ((U.uiflag & KEYINSERTOBJ) && (!canceled) && (base->flag & SELECT)){
 				if (keyflags & KEYFLAG_ROT){
 					insertkey(&base->object->id, OB_ROT_X);
 					insertkey(&base->object->id, OB_ROT_Y);
@@ -4632,12 +4632,31 @@ void transform(int mode)	/* 'g' 'G' 'r' 'R' 's' 'S' 't' or 'w' 'N' */
 						prop_size*= 1.1;
 						firsttime= 1;
 					}
+					else {
+					  persptoetsen(PADPLUSKEY);
+					  firsttime= 1;
+					}
 					break;
+
+				case WHEELUPMOUSE:
+					persptoetsen(PADPLUSKEY);
+					firsttime= 1;
+					break;
+
 				case PADMINUS:
 					if(G.f & G_PROPORTIONAL) {
 						prop_size*= 0.90909090;
 						firsttime= 1;
 					}
+					else {
+					  persptoetsen(PADMINUS);
+					  firsttime= 1;
+					}
+					break;
+
+				case WHEELDOWNMOUSE:
+					persptoetsen(PADMINUS);
+					firsttime= 1;
 					break;
 				
 				case LEFTSHIFTKEY:

source/blender/src/editsound.c

@@ -135,12 +135,13 @@ void winqreadsoundspace(unsigned short event, short val, char ascii)
 			}
 			break;
 		case MIDDLEMOUSE:
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
 			view2dmove();	/* in drawipo.c */
 			break;
 		case RIGHTMOUSE:
 			/* mouse_select_seq(); */
 			break;
-		case WHEELDOWNMOUSE:
 		case PADPLUSKEY:
 			dx= (float)(0.1154*(G.v2d->cur.xmax-G.v2d->cur.xmin));
 			G.v2d->cur.xmin+= dx;
@@ -149,7 +150,6 @@ void winqreadsoundspace(unsigned short event, short val, char ascii)
 
 			doredraw= 1;
 			break;
-		case WHEELUPMOUSE:
 		case PADMINUS:
 			dx= (float)(0.15*(G.v2d->cur.xmax-G.v2d->cur.xmin));
 			G.v2d->cur.xmin-= dx;

source/blender/src/filesel.c

@@ -1737,13 +1737,13 @@ void winqreadfilespace(unsigned short event, short val, char ascii)
 			break;		
 		
 		case WHEELDOWNMOUSE:
-			do_filescrollwheel(sfile, 3); //U.wheellinescroll);
+			do_filescrollwheel(sfile, U.wheellinescroll);
 			act= find_active_file(sfile, mval[0], mval[1]);
 			set_active_file(sfile, act);
 			do_draw= 1;
 			break;
 		case WHEELUPMOUSE:
-			do_filescrollwheel(sfile, -3); //U.wheellinescroll);
+			do_filescrollwheel(sfile, -U.wheellinescroll);
 			act= find_active_file(sfile, mval[0], mval[1]);
 			set_active_file(sfile, act);
 			do_draw= 1;

source/blender/src/headerbuttons.c

@@ -3934,7 +3934,7 @@ void do_ipo_buttons(short event)
 		break;
 	case B_VIEW2DZOOM:
 		viewmovetemp= 0;
-		view2dzoom();
+		view2dzoom(event);
 		scrarea_queue_headredraw(curarea);
 		break;
 			

source/blender/src/space.c

@@ -519,6 +519,67 @@ void winqread3d(unsigned short event, short val, char ascii)
 				else
 					mouse_select();
 				break;
+
+			case WHEELUPMOUSE:
+				/* Regular:   Zoom in */
+				/* Shift:     Scroll up */
+				/* Ctrl:      Scroll right */
+				/* Alt-Shift: Rotate up */
+				/* Alt-Ctrl:  Rotate right */
+
+				if( G.qual & LR_SHIFTKEY ) {
+					if( G.qual & LR_ALTKEY ) { 
+						G.qual &= ~LR_SHIFTKEY;
+						persptoetsen(PAD2);
+						G.qual |= LR_SHIFTKEY;
+					} else {
+						persptoetsen(PAD2);
+					}
+				} else if( G.qual & LR_CTRLKEY ) {
+					if( G.qual & LR_ALTKEY ) { 
+						G.qual &= ~LR_CTRLKEY;
+						persptoetsen(PAD4);
+						G.qual |= LR_CTRLKEY;
+					} else {
+						persptoetsen(PAD4);
+					}
+				} else if(U.uiflag & WHEELZOOMDIR) 
+					persptoetsen(PADMINUS);
+				else
+					persptoetsen(PADPLUSKEY);
+
+				doredraw= 1;
+				break;
+			case WHEELDOWNMOUSE:
+				/* Regular:   Zoom out */
+				/* Shift:     Scroll down */
+				/* Ctrl:      Scroll left */
+				/* Alt-Shift: Rotate down */
+				/* Alt-Ctrl:  Rotate left */
+
+				if( G.qual & LR_SHIFTKEY ) {
+					if( G.qual & LR_ALTKEY ) { 
+						G.qual &= ~LR_SHIFTKEY;
+						persptoetsen(PAD8);
+						G.qual |= LR_SHIFTKEY;
+					} else {
+						persptoetsen(PAD8);
+					}
+				} else if( G.qual & LR_CTRLKEY ) {
+					if( G.qual & LR_ALTKEY ) { 
+						G.qual &= ~LR_CTRLKEY;
+						persptoetsen(PAD6);
+						G.qual |= LR_CTRLKEY;
+					} else {
+						persptoetsen(PAD6);
+					}
+				} else if(U.uiflag & WHEELZOOMDIR) 
+					persptoetsen(PADPLUSKEY);
+				else
+					persptoetsen(PADMINUS);
+				
+				doredraw= 1;
+				break;
 			
 			case ONEKEY:
 				do_layer_buttons(0); break;
@@ -1080,6 +1141,12 @@ void winqreadipo(unsigned short event, short val, char ascii)
 			}
 			else view2dmove();	/* in drawipo.c */
 			break;
+
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
+			view2dmove(event);	/* in drawipo.c */
+			break;
+
 		case RIGHTMOUSE:
 			mouse_select_ipo();
 			allqueue (REDRAWACTION, 0);
@@ -1306,8 +1373,8 @@ void drawinfospace(void)
 			 "Enables/Disables tooltips");
 	
 //	uiDefButS(block, ICONTOG|BIT|14, 0, ICON(),	733,10,50,42, &(U.flag), 0, 0, 0, 0, "Automatic keyframe insertion");
-	uiDefButS(block, TOG|BIT|14, 0, "KeyAC",	733,32,50,20, &(U.flag), 0, 0, 0, 0, "Automatic keyframe insertion for actions");
+	uiDefButS(block, TOG|BIT|0, 0, "KeyAC",	733,32,50,20, &(U.uiflag), 0, 0, 0, 0, "Automatic keyframe insertion for actions");
-	uiDefButS(block, TOG|BIT|15, 0, "KeyOB",	733,10,50,20, &(U.flag), 0, 0, 0, 0, "Automatic keyframe insertion for objects");
+	uiDefButS(block, TOG|BIT|1, 0, "KeyOB",	733,10,50,20, &(U.uiflag), 0, 0, 0, 0, "Automatic keyframe insertion for objects");
 
 	uiDefButS(block, TOG|BIT|1, 0, "Grab Grid",	788,32,106,20, &(U.flag), 0, 0, 0, 0, "Changes default step mode for grabbing");
 	uiDefButS(block, TOG|BIT|2, 0, "Rot",		842,10,52,20, &(U.flag), 0, 0, 0, 0, "Changes default step mode for rotation");
@@ -1325,9 +1392,17 @@ void drawinfospace(void)
 	uiDefButS(block, TOG|BIT|7, 0, "Material",	1153,32,70,20, &(U.dupflag), 0, 0, 0, 0, "Causes Material data to be duplicated with Shift+D");
 	uiDefButS(block, TOG|BIT|8, 0, "Texture",		1153,10,70,20, &(U.dupflag), 0, 0, 0, 0, "Causes Texture data to be duplicated with Shift+D");
 
-	
+
-	
 	uiBlockSetCol(block, BUTGREY);
+
+	uiDefButS(block, NUM, 0, "WLines",
+			1153,54,70,20, &U.wheellinescroll,
+			0.0, 32.0, 0, 0,
+			"Mousewheel: The number of lines that get skipped");
+	uiDefButS(block, TOG|BIT|2, 0, "WZoom",
+			1081,54,70,20, &(U.uiflag), 0, 0, 0, 0,
+			"Mousewheel: Swaps mousewheel zoom direction");
+
 	dx= (1280-90)/6;
 
 
@@ -1413,8 +1488,11 @@ void winqreadbutspace(unsigned short event, short val, char ascii)
 			break;
 			
 		case MIDDLEMOUSE:
-			view2dmove();	/* in drawipo.c */
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
+			view2dmove(event);	/* in drawipo.c */
 			break;
+
 		case PADPLUSKEY:
 		case PADMINUS:
 			val= SPACE_BUTS;
@@ -1592,6 +1670,8 @@ void winqreadsequence(unsigned short event, short val, char ascii)
 			}
 			break;
 		case MIDDLEMOUSE:
+		case WHEELUPMOUSE:
+		case WHEELDOWNMOUSE:
 			if(sseq->mainb) break;
 			view2dmove();	/* in drawipo.c */
 			break;
@@ -2097,6 +2177,8 @@ void winqreadoopsspace(unsigned short event, short val, char ascii)
 		gesture();
 		break;
 	case MIDDLEMOUSE:
+	case WHEELUPMOUSE:
+	case WHEELDOWNMOUSE:
 		view2dmove();	/* in drawipo.c */
 		break;
 	case RIGHTMOUSE: