diff options
Diffstat (limited to 'macosx/tkMacOSXScrlbr.c')
| -rw-r--r-- | macosx/tkMacOSXScrlbr.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/macosx/tkMacOSXScrlbr.c b/macosx/tkMacOSXScrlbr.c index c56a15b..0dd42e0 100644 --- a/macosx/tkMacOSXScrlbr.c +++ b/macosx/tkMacOSXScrlbr.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkMacOSXScrlbr.c,v 1.5.2.5 2005/08/09 07:40:01 das Exp $ + * RCS: @(#) $Id: tkMacOSXScrlbr.c,v 1.5.2.6 2005/10/18 00:41:19 hobbs Exp $ */ #include "tkScrollbar.h" @@ -976,14 +976,14 @@ UpdateControlValues( * NOTE: changing the control record directly may not work when * Apple releases the Copland version of the MacOS (or when hell is cold). */ - + contrlRect.left = macDraw->xOff + scrollPtr->inset; contrlRect.top = macDraw->yOff + scrollPtr->inset; contrlRect.right = macDraw->xOff + Tk_Width(tkwin) - scrollPtr->inset; contrlRect.bottom = macDraw->yOff + Tk_Height(tkwin) - scrollPtr->inset; - + SetControlBounds(macScrollPtr->sbHandle, &contrlRect ); - + /* * To make Tk applications look more like Macintosh applications without * requiring additional work by the Tk developer we do some cute tricks. @@ -993,7 +993,8 @@ UpdateControlValues( * it covers the area of the grow region ao the scrollbar can also draw * the grow region if need be. */ - if (!strcmp(macDraw->winPtr->geomMgrPtr->name, "place")) { + if ((macDraw->winPtr->geomMgrPtr != NULL) + && !strcmp(macDraw->winPtr->geomMgrPtr->name, "place")) { macScrollPtr->macFlags &= ~AUTO_ADJUST; } else { macScrollPtr->macFlags |= AUTO_ADJUST; @@ -1016,7 +1017,7 @@ UpdateControlValues( TkpComputeScrollbarGeometry(scrollPtr); } } - + if (portRect.top == contrlRect.top) { if (macScrollPtr->macFlags & AUTO_ADJUST) { contrlRect.top--; @@ -1033,7 +1034,7 @@ UpdateControlValues( TkpComputeScrollbarGeometry(scrollPtr); } } - + if (portRect.right == contrlRect.right) { flushRight = true; if (macScrollPtr->macFlags & AUTO_ADJUST) { @@ -1051,7 +1052,7 @@ UpdateControlValues( TkpComputeScrollbarGeometry(scrollPtr); } } - + if (portRect.bottom == contrlRect.bottom) { flushBottom = true; if (macScrollPtr->macFlags & AUTO_ADJUST) { @@ -1090,7 +1091,7 @@ UpdateControlValues( } else { TkMacOSXSetScrollbarGrow((TkWindow *) tkwin, false); } - + /* * Given the Tk parameters for the fractions of the start and * end of the thumb, the following calculation determines the @@ -1102,11 +1103,10 @@ UpdateControlValues( * the content area less the size of the view area. * Since these values are all integers, and Tk gives the thumb position * as fractions, we have introduced a scaling factor. - * */ dViewSize = (scrollPtr->lastFraction - scrollPtr->firstFraction) * SCROLLBAR_SCALING_DVALUE; - + viewSize = (SInt32) dViewSize; controlMax = (SInt32) (SCROLLBAR_SCALING_DVALUE - dViewSize); controlValue = (SInt32) (SCROLLBAR_SCALING_DVALUE * scrollPtr->firstFraction); @@ -1114,19 +1114,18 @@ UpdateControlValues( SetControlViewSize(macScrollPtr->sbHandle,viewSize); SetControl32BitMaximum(macScrollPtr->sbHandle, controlMax); -#if 0 +#if 0 middle = scrollPtr->firstFraction / (1.0 - (scrollPtr->lastFraction - scrollPtr->firstFraction)); - + viewSize = (SInt32) ((scrollPtr->lastFraction - scrollPtr->firstFraction) * SCROLLBAR_SCALING_DVALUE / (1.0 - (scrollPtr->lastFraction - scrollPtr->firstFraction))); - SetControlViewSize(macScrollPtr->sbHandle,viewSize); - SetControl32BitValue(macScrollPtr->sbHandle, + SetControl32BitValue(macScrollPtr->sbHandle, (middle) ); -#endif +#endif contrlHilite = GetControlHilite(macScrollPtr->sbHandle); SetControl32BitMinimum(macScrollPtr->sbHandle, 0); if ( contrlHilite == 0 || contrlHilite == 255) { @@ -1138,7 +1137,7 @@ UpdateControlValues( } } SetControl32BitValue(macScrollPtr->sbHandle, controlValue); - + if ( !IsControlVisible (macScrollPtr -> sbHandle) ) { SetControlVisibility(macScrollPtr->sbHandle,TRUE,FALSE); } |