From 10c0f4ae9fe3249cbbe9fe83887fcb040a8a4b3b Mon Sep 17 00:00:00 2001
From: Ton Roosendaal <ton@blender.org>
Date: Wed, 31 Dec 2003 13:48:45 +0000
Subject: - bug fix #828

  Blender crashed when assigning background image to 3d window, when no
  buttons window was visible. This caused by copying code from old location
  with still using some variables of the 'button space' struct.

  Solved by creating these variables in View3d 'space' as well, and using
  these instead. Could also remove old coder /* comment */ that there was
  a unknown bug in the code there. :)
---
 source/blender/makesdna/DNA_view3d_types.h |  3 +--
 source/blender/src/drawview.c              | 26 ++++++++++++--------------
 2 files changed, 13 insertions(+), 16 deletions(-)

(limited to 'source')

diff --git a/source/blender/makesdna/DNA_view3d_types.h b/source/blender/makesdna/DNA_view3d_types.h
index fbba5d674dd..2acfdac7103 100644
--- a/source/blender/makesdna/DNA_view3d_types.h
+++ b/source/blender/makesdna/DNA_view3d_types.h
@@ -104,8 +104,7 @@ typedef struct View3D {
 	short mxo, myo;
 
 	short gridlines, viewbut;
-	short modeselect, pad4, pad5, pad6;
-	int	pad2, pad3;
+	short modeselect, menunr, texnr, pad1;
 } View3D;
 
 /* View3D->flag */
diff --git a/source/blender/src/drawview.c b/source/blender/src/drawview.c
index fdb238465ff..559ca9443bd 100644
--- a/source/blender/src/drawview.c
+++ b/source/blender/src/drawview.c
@@ -1245,10 +1245,10 @@ void do_viewbuts(unsigned short event)
 		
 	case B_BGPICBROWSE:
 		if(vd->bgpic) {
-			if (G.buts->menunr==-2) {
-				activate_databrowse((ID*) vd->bgpic->ima, ID_IM, 0, B_BGPICBROWSE, &G.buts->menunr, do_viewbuts);
-			} else if (G.buts->menunr>0) {
-				Image *newima= (Image*) BLI_findlink(&G.main->image, G.buts->menunr-1);
+			if (vd->menunr==-2) {
+				activate_databrowse((ID*) vd->bgpic->ima, ID_IM, 0, B_BGPICBROWSE, &vd->menunr, do_viewbuts);
+			} else if (vd->menunr>0) {
+				Image *newima= (Image*) BLI_findlink(&G.main->image, vd->menunr-1);
 
 				if (newima)
 					view3d_change_bgpic_ima(vd, newima);
@@ -1263,10 +1263,10 @@ void do_viewbuts(unsigned short event)
 		
 	case B_BGPICTEX:
 		if (vd->bgpic) {
-			if (G.buts->texnr==-2) {
-				activate_databrowse((ID*) vd->bgpic->tex, ID_TE, 0, B_BGPICTEX, &G.buts->texnr, do_viewbuts);
-			} else if (G.buts->texnr>0) {
-				Tex *newtex= (Tex*) BLI_findlink(&G.main->tex, G.buts->texnr-1);
+			if (vd->texnr==-2) {
+				activate_databrowse((ID*) vd->bgpic->tex, ID_TE, 0, B_BGPICTEX, &vd->texnr, do_viewbuts);
+			} else if (vd->texnr>0) {
+				Tex *newtex= (Tex*) BLI_findlink(&G.main->tex, vd->texnr-1);
 				
 				if (newtex)
 					view3d_change_bgpic_tex(vd, newtex);
@@ -1426,10 +1426,10 @@ static void view3d_panel_background(cntrl)	// VIEW3D_HANDLER_BACKGROUND
 		uiDefButF(block, NUM, REDRAWVIEW3D, "Size:", 		160,160,150,20, &vd->bgpic->size, 0.1, 250.0, 100, 0, "Set the size for the width of the BackGroundPic");
 		
 		id= (ID *)vd->bgpic->ima;
-		IDnames_to_pupstring(&strp, NULL, NULL, &(G.main->image), id, &(G.buts->menunr));
+		IDnames_to_pupstring(&strp, NULL, NULL, &(G.main->image), id, &(vd->menunr));
 		if(strp[0]) {
 			uiBlockBeginAlign(block);
-			uiDefButS(block, MENU, B_BGPICBROWSE, strp, 	10,130,20,20, &(G.buts->menunr), 0, 0, 0, 0, "Browse");
+			uiDefButS(block, MENU, B_BGPICBROWSE, strp, 	10,130,20,20, &(vd->menunr), 0, 0, 0, 0, "Browse");
 		
 			if(vd->bgpic->ima)  {
 				uiDefBut(block, TEX,	    0,"BGpic: ",		30,130,260,20,&vd->bgpic->ima->name,0.0,100.0, 0, 0, "The Selected BackGroundPic");
@@ -1445,13 +1445,11 @@ static void view3d_panel_background(cntrl)	// VIEW3D_HANDLER_BACKGROUND
 		uiDefButF(block, NUM, B_DIFF, "Center X: ",	10,70,140,20,&vd->bgpic->xof, -20.0,20.0, 10, 2, "Set the BackGroundPic X Offset");
 		uiDefButF(block, NUM, B_DIFF, "Center Y: ",	160,70,140,20,&vd->bgpic->yof, -20.0,20.0, 10, 2, "Set the BackGroundPic Y Offset");
 
-		/* There is a bug here ... (what bug? where? what is this? - zr) */
-		/* (ton) the use of G.buts->texnr is hackish */
 		/* texture block: */
 		id= (ID *)vd->bgpic->tex;
-		IDnames_to_pupstring(&strp, NULL, NULL, &(G.main->tex), id, &(G.buts->texnr));
+		IDnames_to_pupstring(&strp, NULL, NULL, &(G.main->tex), id, &(vd->texnr));
 		if (strp[0]) 
-			uiDefButS(block, MENU, B_BGPICTEX, strp,			10, 50, 20,20, &(G.buts->texnr), 0, 0, 0, 0, "Select texture for animated backgroundimage");
+			uiDefButS(block, MENU, B_BGPICTEX, strp,			10, 50, 20,20, &(vd->texnr), 0, 0, 0, 0, "Select texture for animated backgroundimage");
 		MEM_freeN(strp);
 		
 		if (id) {
-- 
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