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Diffstat (limited to 'src/glw/GLwDrawA.c')
| -rw-r--r-- | src/glw/GLwDrawA.c | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/src/glw/GLwDrawA.c b/src/glw/GLwDrawA.c new file mode 100644 index 00000000000..670ddb18edb --- /dev/null +++ b/src/glw/GLwDrawA.c @@ -0,0 +1,686 @@ +/* + * (c) Copyright 1993, Silicon Graphics, Inc. + * ALL RIGHTS RESERVED + * Permission to use, copy, modify, and distribute this software for + * any purpose and without fee is hereby granted, provided that the above + * copyright notice appear in all copies and that both the copyright notice + * and this permission notice appear in supporting documentation, and that + * the name of Silicon Graphics, Inc. not be used in advertising + * or publicity pertaining to distribution of the software without specific, + * written prior permission. + * + * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" + * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR + * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON + * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, + * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY + * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, + * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF + * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN + * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE + * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. + * + * + * US Government Users Restricted Rights + * Use, duplication, or disclosure by the Government is subject to + * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph + * (c)(1)(ii) of the Rights in Technical Data and Computer Software + * clause at DFARS 252.227-7013 and/or in similar or successor + * clauses in the FAR or the DOD or NASA FAR Supplement. + * Unpublished-- rights reserved under the copyright laws of the + * United States. Contractor/manufacturer is Silicon Graphics, + * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. + * + * OpenGL(TM) is a trademark of Silicon Graphics, Inc. + */ + +/* + * + * This file has been slightly modified from the original for use with Mesa + * + * Jeroen van der Zijp + * + * + */ +#include <X11/IntrinsicP.h> +#include <X11/StringDefs.h> +#include <GL/glx.h> +#include <GL/gl.h> +#ifdef __GLX_MOTIF +#include <Xm/PrimitiveP.h> +#include "GLwMDrawAP.h" +#else +#include "GLwDrawAP.h" +#endif +#include <assert.h> +#include <stdio.h> + +#ifdef __GLX_MOTIF +#define GLwDrawingAreaWidget GLwMDrawingAreaWidget +#define GLwDrawingAreaClassRec GLwMDrawingAreaClassRec +#define glwDrawingAreaClassRec glwMDrawingAreaClassRec +#define glwDrawingAreaWidgetClass glwMDrawingAreaWidgetClass +#define GLwDrawingAreaRec GLwMDrawingAreaRec +#endif + +#define ATTRIBLIST_SIZE 30 + +#define offset(field) XtOffset(GLwDrawingAreaWidget,glwDrawingArea.field) + + +/* forward definitions */ +static void createColormap(GLwDrawingAreaWidget w,int offset,XrmValue *value); +static void Initialize(GLwDrawingAreaWidget req,GLwDrawingAreaWidget neww,ArgList args,Cardinal *num_args); +static void Realize(Widget w,Mask *valueMask,XSetWindowAttributes *attributes); +static void Redraw(GLwDrawingAreaWidget w,XEvent *event,Region region); +static void Resize(GLwDrawingAreaWidget glw); +static void Destroy(GLwDrawingAreaWidget glw); +static void glwInput(GLwDrawingAreaWidget glw,XEvent *event,String *params,Cardinal *numParams); + + + +static char defaultTranslations[] = +#ifdef __GLX_MOTIF + "<Key>osfHelp:PrimitiveHelp() \n" +#endif + "<KeyDown>: glwInput() \n\ + <KeyUp>: glwInput() \n\ + <BtnDown>: glwInput() \n\ + <BtnUp>: glwInput() \n\ + <BtnMotion>: glwInput() "; + + +static XtActionsRec actions[] = { + {"glwInput",(XtActionProc)glwInput}, /* key or mouse input */ + }; + + +/* + * There is a bit of unusual handling of the resources here. + * Because Xt insists on allocating the colormap resource when it is + * processing the core resources (even if we redeclare the colormap + * resource here, we need to do a little trick. When Xt first allocates + * the colormap, we allow it to allocate the default one, since we have + * not yet determined the appropriate visual (which is determined from + * resources parsed after the colormap). We also let it allocate colors + * in that default colormap. + * + * In the initialize proc we calculate the actual visual. Then, we + * reobtain the colormap resource using XtGetApplicationResources in + * the initialize proc. If requested, we also reallocate colors in + * that colormap using the same method. + */ + +static XtResource resources[] = { + /* The GLX attributes. Add any new attributes here */ + + {GLwNbufferSize, GLwCBufferSize, XtRInt, sizeof (int), + offset(bufferSize), XtRImmediate, (XtPointer) 0}, + + {GLwNlevel, GLwCLevel, XtRInt, sizeof (int), + offset(level), XtRImmediate, (XtPointer) 0}, + + {GLwNrgba, GLwCRgba, XtRBoolean, sizeof (Boolean), + offset(rgba), XtRImmediate, (XtPointer) FALSE}, + + {GLwNdoublebuffer, GLwCDoublebuffer, XtRBoolean, sizeof (Boolean), + offset(doublebuffer), XtRImmediate, (XtPointer) FALSE}, + + {GLwNstereo, GLwCStereo, XtRBoolean, sizeof (Boolean), + offset(stereo), XtRImmediate, (XtPointer) FALSE}, + + {GLwNauxBuffers, GLwCAuxBuffers, XtRInt, sizeof (int), + offset(auxBuffers), XtRImmediate, (XtPointer) 0}, + + {GLwNredSize, GLwCColorSize, XtRInt, sizeof (int), + offset(redSize), XtRImmediate, (XtPointer) 1}, + + {GLwNgreenSize, GLwCColorSize, XtRInt, sizeof (int), + offset(greenSize), XtRImmediate, (XtPointer) 1}, + + {GLwNblueSize, GLwCColorSize, XtRInt, sizeof (int), + offset(blueSize), XtRImmediate, (XtPointer) 1}, + + {GLwNalphaSize, GLwCAlphaSize, XtRInt, sizeof (int), + offset(alphaSize), XtRImmediate, (XtPointer) 0}, + + {GLwNdepthSize, GLwCDepthSize, XtRInt, sizeof (int), + offset(depthSize), XtRImmediate, (XtPointer) 0}, + + {GLwNstencilSize, GLwCStencilSize, XtRInt, sizeof (int), + offset(stencilSize), XtRImmediate, (XtPointer) 0}, + + {GLwNaccumRedSize, GLwCAccumColorSize, XtRInt, sizeof (int), + offset(accumRedSize), XtRImmediate, (XtPointer) 0}, + + {GLwNaccumGreenSize, GLwCAccumColorSize, XtRInt, sizeof (int), + offset(accumGreenSize), XtRImmediate, (XtPointer) 0}, + + {GLwNaccumBlueSize, GLwCAccumColorSize, XtRInt, sizeof (int), + offset(accumBlueSize), XtRImmediate, (XtPointer) 0}, + + {GLwNaccumAlphaSize, GLwCAccumAlphaSize, XtRInt, sizeof (int), + offset(accumAlphaSize), XtRImmediate, (XtPointer) 0}, + + /* the attribute list */ + {GLwNattribList, GLwCAttribList, XtRPointer, sizeof(int *), + offset(attribList), XtRImmediate, (XtPointer) NULL}, + + /* the visual info */ + {GLwNvisualInfo, GLwCVisualInfo, GLwRVisualInfo, sizeof (XVisualInfo *), + offset(visualInfo), XtRImmediate, (XtPointer) NULL}, + + /* miscellaneous resources */ + {GLwNinstallColormap, GLwCInstallColormap, XtRBoolean, sizeof (Boolean), + offset(installColormap), XtRImmediate, (XtPointer) TRUE}, + + {GLwNallocateBackground, GLwCAllocateColors, XtRBoolean, sizeof (Boolean), + offset(allocateBackground), XtRImmediate, (XtPointer) FALSE}, + + {GLwNallocateOtherColors, GLwCAllocateColors, XtRBoolean, sizeof (Boolean), + offset(allocateOtherColors), XtRImmediate, (XtPointer) FALSE}, + + {GLwNinstallBackground, GLwCInstallBackground, XtRBoolean, sizeof (Boolean), + offset(installBackground), XtRImmediate, (XtPointer) TRUE}, + + {GLwNginitCallback, GLwCCallback, XtRCallback, sizeof (XtCallbackList), + offset(ginitCallback), XtRImmediate, (XtPointer) NULL}, + + {GLwNinputCallback, GLwCCallback, XtRCallback, sizeof (XtCallbackList), + offset(inputCallback), XtRImmediate, (XtPointer) NULL}, + + {GLwNresizeCallback, GLwCCallback, XtRCallback, sizeof (XtCallbackList), + offset(resizeCallback), XtRImmediate, (XtPointer) NULL}, + + {GLwNexposeCallback, GLwCCallback, XtRCallback, sizeof (XtCallbackList), + offset(exposeCallback), XtRImmediate, (XtPointer) NULL}, + + /* Changes to Motif primitive resources */ +#ifdef __GLX_MOTIF + {XmNtraversalOn, XmCTraversalOn, XmRBoolean, sizeof (Boolean), + XtOffset (GLwDrawingAreaWidget, primitive.traversal_on), XmRImmediate, + (XtPointer)FALSE}, + + /* highlighting is normally disabled, as when Motif tries to disable + * highlighting, it tries to reset the color back to the parent's + * background (usually Motif blue). Unfortunately, that is in a + * different colormap, and doesn't work too well. + */ + {XmNhighlightOnEnter, XmCHighlightOnEnter, XmRBoolean, sizeof (Boolean), + XtOffset (GLwDrawingAreaWidget, primitive.highlight_on_enter), + XmRImmediate, (XtPointer) FALSE}, + + {XmNhighlightThickness, XmCHighlightThickness, XmRHorizontalDimension, + sizeof (Dimension), + XtOffset (GLwDrawingAreaWidget, primitive.highlight_thickness), + XmRImmediate, (XtPointer) 0}, +#endif + }; + + +/* +** The following resources are reobtained using XtGetApplicationResources +** in the initialize proc. +*/ + +/* The colormap */ +static XtResource initializeResources[] = { + /* reobtain the colormap with the new visual */ + {XtNcolormap, XtCColormap, XtRColormap, sizeof(Colormap), + XtOffset(GLwDrawingAreaWidget, core.colormap), + XtRCallProc,(XtPointer) createColormap}, + }; + + +/* reallocate any colors we need in the new colormap */ + +/* The background is obtained only if the allocateBackground resource is TRUE*/ +static XtResource backgroundResources[] = { +#ifdef __GLX_MOTIF + {XmNbackground, XmCBackground,XmRPixel, + sizeof(Pixel),XtOffset(GLwDrawingAreaWidget,core.background_pixel), + XmRString,(XtPointer)"lightgrey"}, + /*XmRCallProc,(XtPointer)_XmBackgroundColorDefault},*/ + + {XmNbackgroundPixmap,XmCPixmap,XmRXmBackgroundPixmap, + sizeof(Pixmap),XtOffset(GLwDrawingAreaWidget,core.background_pixmap), + XmRImmediate,(XtPointer)XmUNSPECIFIED_PIXMAP}, + +#else + {XtNbackground,XtCBackground,XtRPixel,sizeof(Pixel), + XtOffset(GLwDrawingAreaWidget,core.background_pixel), + XtRString,(XtPointer)"lightgrey"}, + /*XtRString,(XtPointer)"XtDefaultBackground"},*/ + + {XtNbackgroundPixmap, XtCPixmap, XtRPixmap, sizeof(Pixmap), + XtOffset(GLwDrawingAreaWidget,core.background_pixmap), + XtRImmediate,(XtPointer)XtUnspecifiedPixmap}, +#endif + }; + + + +/* The other colors such as the foreground are allocated only if + * allocateOtherColors are set. These resources only exist in Motif. + */ +#ifdef __GLX_MOTIF +static XtResource otherColorResources[] = { + {XmNforeground,XmCForeground,XmRPixel, + sizeof(Pixel),XtOffset(GLwDrawingAreaWidget,primitive.foreground), + XmRString,(XtPointer)"lighgrey"}, + /*XmRCallProc, (XtPointer) _XmForegroundColorDefault},*/ + + {XmNhighlightColor,XmCHighlightColor,XmRPixel,sizeof(Pixel), + XtOffset(GLwDrawingAreaWidget,primitive.highlight_color), + XmRString,(XtPointer)"lightgrey"}, + /*XmRCallProc,(XtPointer)_XmHighlightColorDefault},*/ + + {XmNhighlightPixmap,XmCHighlightPixmap,XmRPrimHighlightPixmap, + sizeof(Pixmap), + XtOffset(GLwDrawingAreaWidget,primitive.highlight_pixmap), + XmRImmediate,(XtPointer)XmUNSPECIFIED_PIXMAP}, + /*XmRCallProc,(XtPointer)_XmPrimitiveHighlightPixmapDefault},*/ + }; +#endif + + +#undef offset + + +GLwDrawingAreaClassRec glwDrawingAreaClassRec = { + { /* core fields */ +#ifdef __GLX_MOTIF + /* superclass */ (WidgetClass) &xmPrimitiveClassRec, + /* class_name */ "GLwMDrawingArea", +#else /* not __GLX_MOTIF */ + /* superclass */ (WidgetClass) &widgetClassRec, + /* class_name */ "GLwDrawingArea", +#endif /* __GLX_MOTIF */ + /* widget_size */ sizeof(GLwDrawingAreaRec), + /* class_initialize */ NULL, + /* class_part_initialize */ NULL, + /* class_inited */ FALSE, + /* initialize */ (XtInitProc) Initialize, + /* initialize_hook */ NULL, + /* realize */ Realize, + /* actions */ actions, + /* num_actions */ XtNumber(actions), + /* resources */ resources, + /* num_resources */ XtNumber(resources), + /* xrm_class */ NULLQUARK, + /* compress_motion */ TRUE, + /* compress_exposure */ TRUE, + /* compress_enterleave */ TRUE, + /* visible_interest */ TRUE, + /* destroy */ (XtWidgetProc) Destroy, + /* resize */ (XtWidgetProc) Resize, + /* expose */ (XtExposeProc) Redraw, + /* set_values */ NULL, + /* set_values_hook */ NULL, + /* set_values_almost */ XtInheritSetValuesAlmost, + /* get_values_hook */ NULL, + /* accept_focus */ NULL, + /* version */ XtVersion, + /* callback_private */ NULL, + /* tm_table */ defaultTranslations, + /* query_geometry */ XtInheritQueryGeometry, + /* display_accelerator */ XtInheritDisplayAccelerator, + /* extension */ NULL + }, +#ifdef __GLX_MOTIF /* primitive resources */ + { + /* border_highlight */ XmInheritBorderHighlight, + /* border_unhighlight */ XmInheritBorderUnhighlight, + /* translations */ XtInheritTranslations, + /* arm_and_activate */ NULL, + /* get_resources */ NULL, + /* num get_resources */ 0, + /* extension */ NULL, + } +#endif + }; + +WidgetClass glwDrawingAreaWidgetClass=(WidgetClass)&glwDrawingAreaClassRec; + + + +static void error(Widget w,char* string){ + char buf[100]; +#ifdef __GLX_MOTIF + sprintf(buf,"GLwMDrawingArea: %s\n",string); +#else + sprintf(buf,"GLwDrawingArea: %s\n",string); +#endif + XtAppError(XtWidgetToApplicationContext(w),buf); + } + + +static void warning(Widget w,char* string){ + char buf[100]; +#ifdef __GLX_MOTIF + sprintf (buf, "GLwMDraw: %s\n", string); +#else + sprintf (buf, "GLwDraw: %s\n", string); +#endif + XtAppWarning(XtWidgetToApplicationContext(w), buf); + } + + + +/* Initialize the attribList based on the attributes */ +static void createAttribList(GLwDrawingAreaWidget w){ + int *ptr; + w->glwDrawingArea.attribList = (int*)XtMalloc(ATTRIBLIST_SIZE*sizeof(int)); + if(!w->glwDrawingArea.attribList){ + error((Widget)w,"Unable to allocate attribute list"); + } + ptr = w->glwDrawingArea.attribList; + *ptr++ = GLX_BUFFER_SIZE; + *ptr++ = w->glwDrawingArea.bufferSize; + *ptr++ = GLX_LEVEL; + *ptr++ = w->glwDrawingArea.level; + if(w->glwDrawingArea.rgba) *ptr++ = GLX_RGBA; + if(w->glwDrawingArea.doublebuffer) *ptr++ = GLX_DOUBLEBUFFER; + if(w->glwDrawingArea.stereo) *ptr++ = GLX_STEREO; + *ptr++ = GLX_AUX_BUFFERS; + *ptr++ = w->glwDrawingArea.auxBuffers; + *ptr++ = GLX_RED_SIZE; + *ptr++ = w->glwDrawingArea.redSize; + *ptr++ = GLX_GREEN_SIZE; + *ptr++ = w->glwDrawingArea.greenSize; + *ptr++ = GLX_BLUE_SIZE; + *ptr++ = w->glwDrawingArea.blueSize; + *ptr++ = GLX_ALPHA_SIZE; + *ptr++ = w->glwDrawingArea.alphaSize; + *ptr++ = GLX_DEPTH_SIZE; + *ptr++ = w->glwDrawingArea.depthSize; + *ptr++ = GLX_STENCIL_SIZE; + *ptr++ = w->glwDrawingArea.stencilSize; + *ptr++ = GLX_ACCUM_RED_SIZE; + *ptr++ = w->glwDrawingArea.accumRedSize; + *ptr++ = GLX_ACCUM_GREEN_SIZE; + *ptr++ = w->glwDrawingArea.accumGreenSize; + *ptr++ = GLX_ACCUM_BLUE_SIZE; + *ptr++ = w->glwDrawingArea.accumBlueSize; + *ptr++ = GLX_ACCUM_ALPHA_SIZE; + *ptr++ = w->glwDrawingArea.accumAlphaSize; + *ptr++ = None; + assert((ptr-w->glwDrawingArea.attribList)<ATTRIBLIST_SIZE); + } + + + +/* Initialize the visualInfo based on the attribute list */ +static void createVisualInfo(GLwDrawingAreaWidget w){ + static XVisualInfo *visualInfo; + assert(w->glwDrawingArea.attribList); + w->glwDrawingArea.visualInfo=glXChooseVisual(XtDisplay(w),XScreenNumberOfScreen(XtScreen(w)),w->glwDrawingArea.attribList); + if(!w->glwDrawingArea.visualInfo) error((Widget)w,"requested visual not supported"); + } + + + +/* Initialize the colormap based on the visual info. + * This routine maintains a cache of visual-infos to colormaps. If two + * widgets share the same visual info, they share the same colormap. + * This function is called by the callProc of the colormap resource entry. + */ +static void createColormap(GLwDrawingAreaWidget w,int offset,XrmValue *value){ + static struct cmapCache { Visual *visual; Colormap cmap; } *cmapCache; + static int cacheEntries=0; + static int cacheMalloced=0; + register int i; + + assert(w->glwDrawingArea.visualInfo); + + /* see if we can find it in the cache */ + for(i=0; i<cacheEntries; i++){ + if(cmapCache[i].visual==w->glwDrawingArea.visualInfo->visual){ + value->addr=(XtPointer)(&cmapCache[i].cmap); + return; + } + } + + /* not in the cache, create a new entry */ + if(cacheEntries >= cacheMalloced){ + /* need to malloc a new one. Since we are likely to have only a + * few colormaps, we allocate one the first time, and double + * each subsequent time. + */ + if(cacheMalloced==0){ + cacheMalloced=1; + cmapCache=(struct cmapCache*)XtMalloc(sizeof(struct cmapCache)); + } + else{ + cacheMalloced<<=1; + cmapCache=(struct cmapCache*)XtRealloc((char*)cmapCache,sizeof(struct cmapCache)*cacheMalloced); + } + } + + cmapCache[cacheEntries].cmap=XCreateColormap(XtDisplay(w), + RootWindow(XtDisplay(w), + w->glwDrawingArea.visualInfo->screen), + w->glwDrawingArea.visualInfo->visual, + AllocNone); + cmapCache[cacheEntries].visual=w->glwDrawingArea.visualInfo->visual; + value->addr=(XtPointer)(&cmapCache[cacheEntries++].cmap); + } + + + +static void Initialize(GLwDrawingAreaWidget req,GLwDrawingAreaWidget neww,ArgList args,Cardinal *num_args){ + + /* fix size */ + if(req->core.width==0) neww->core.width=100; + if(req->core.height==0) neww->core.width=100; + + /* create the attribute list if needed */ + neww->glwDrawingArea.myList=FALSE; + if(neww->glwDrawingArea.attribList==NULL){ + neww->glwDrawingArea.myList=TRUE; + createAttribList(neww); + } + + /* Gotta have it */ + assert(neww->glwDrawingArea.attribList); + + /* determine the visual info if needed */ + neww->glwDrawingArea.myVisual=FALSE; + if(neww->glwDrawingArea.visualInfo==NULL){ + neww->glwDrawingArea.myVisual=TRUE; + createVisualInfo(neww); + } + + /* Gotta have that too */ + assert(neww->glwDrawingArea.visualInfo); + + neww->core.depth=neww->glwDrawingArea.visualInfo->depth; + + /* Reobtain the colormap and colors in it using XtGetApplicationResources*/ + XtGetApplicationResources((Widget)neww,neww,initializeResources,XtNumber(initializeResources),args,*num_args); + + /* obtain the color resources if appropriate */ + if(req->glwDrawingArea.allocateBackground){ + XtGetApplicationResources((Widget)neww,neww,backgroundResources,XtNumber(backgroundResources),args,*num_args); + } + +#ifdef __GLX_MOTIF + if(req->glwDrawingArea.allocateOtherColors){ + XtGetApplicationResources((Widget)neww,neww,otherColorResources,XtNumber(otherColorResources),args,*num_args); + } +#endif + } + + + +static void Realize(Widget w,Mask *valueMask,XSetWindowAttributes *attributes){ + register GLwDrawingAreaWidget glw=(GLwDrawingAreaWidget)w; + GLwDrawingAreaCallbackStruct cb; + Widget parentShell; + Status status; + Window windows[2],*windowsReturn,*windowList; + int countReturn,i; + + /* if we haven't requested that the background be both installed and + * allocated, don't install it. + */ + if(!(glw->glwDrawingArea.installBackground && glw->glwDrawingArea.allocateBackground)){ + *valueMask&=~CWBackPixel; + } + + XtCreateWindow(w,(unsigned int)InputOutput,glw->glwDrawingArea.visualInfo->visual,*valueMask,attributes); + + /* if appropriate, call XSetWMColormapWindows to install the colormap */ + if(glw->glwDrawingArea.installColormap){ + + /* Get parent shell */ + for(parentShell=XtParent(w); parentShell&&!XtIsShell(parentShell); parentShell=XtParent(parentShell)); + + if(parentShell && XtWindow(parentShell)){ + + /* check to see if there is already a property */ + status=XGetWMColormapWindows(XtDisplay(parentShell),XtWindow(parentShell),&windowsReturn,&countReturn); + + /* if no property, just create one */ + if(!status){ + windows[0]=XtWindow(w); + windows[1]=XtWindow(parentShell); + XSetWMColormapWindows(XtDisplay(parentShell),XtWindow(parentShell),windows,2); + } + + /* there was a property, add myself to the beginning */ + else{ + windowList=(Window *)XtMalloc((sizeof(Window))*(countReturn+1)); + windowList[0]=XtWindow(w); + for(i=0; i<countReturn; i++) windowList[i+1]=windowsReturn[i]; + XSetWMColormapWindows(XtDisplay(parentShell),XtWindow(parentShell),windowList,countReturn+1); + XtFree((char*)windowList); + XtFree((char*)windowsReturn); + } + } + else{ + warning(w,"Could not set colormap property on parent shell"); + } + } + + /* Invoke callbacks */ + cb.reason=GLwCR_GINIT; + cb.event=NULL; + cb.width=glw->core.width; + cb.height=glw->core.height; + XtCallCallbackList((Widget)glw,glw->glwDrawingArea.ginitCallback,&cb); + } + + + +static void Redraw(GLwDrawingAreaWidget w,XEvent *event,Region region){ + GLwDrawingAreaCallbackStruct cb; + XtCallbackList cblist; + if(!XtIsRealized((Widget)w)) return; + cb.reason=GLwCR_EXPOSE; + cb.event=event; + cb.width=w->core.width; + cb.height=w->core.height; + XtCallCallbackList((Widget)w,w->glwDrawingArea.exposeCallback,&cb); + } + + + +static void Resize(GLwDrawingAreaWidget glw){ + GLwDrawingAreaCallbackStruct cb; + if(!XtIsRealized((Widget)glw)) return; + cb.reason=GLwCR_RESIZE; + cb.event=NULL; + cb.width=glw->core.width; + cb.height=glw->core.height; + XtCallCallbackList((Widget)glw,glw->glwDrawingArea.resizeCallback,&cb); + } + + + +static void Destroy(GLwDrawingAreaWidget glw){ + Window *windowsReturn; + Widget parentShell; + Status status; + int countReturn; + register int i; + + if(glw->glwDrawingArea.myList && glw->glwDrawingArea.attribList){ + XtFree((XtPointer)glw->glwDrawingArea.attribList); + } + + if(glw->glwDrawingArea.myVisual && glw->glwDrawingArea.visualInfo){ + XtFree((XtPointer)glw->glwDrawingArea.visualInfo); + } + + /* if my colormap was installed, remove it */ + if(glw->glwDrawingArea.installColormap){ + + /* Get parent shell */ + for(parentShell=XtParent(glw); parentShell&&!XtIsShell(parentShell); parentShell=XtParent(parentShell)); + + if(parentShell && XtWindow(parentShell)){ + + /* make sure there is a property */ + status=XGetWMColormapWindows(XtDisplay(parentShell),XtWindow(parentShell),&windowsReturn,&countReturn); + + /* if no property, just return. If there was a property, continue */ + if(status){ + + /* search for a match */ + for(i=0; i<countReturn; i++){ + if(windowsReturn[i]==XtWindow(glw)){ + + /* we found a match, now copy the rest down */ + for(i++; i<countReturn; i++){ windowsReturn[i-1]=windowsReturn[i]; } + + XSetWMColormapWindows(XtDisplay(parentShell),XtWindow(parentShell),windowsReturn,countReturn-1); + break; + } + } + XtFree((char *)windowsReturn); + } + } + } + } + + + +/* Action routine for keyboard and mouse events */ +static void glwInput(GLwDrawingAreaWidget glw,XEvent *event,String *params,Cardinal *numParams){ + GLwDrawingAreaCallbackStruct cb; + cb.reason=GLwCR_INPUT; + cb.event=event; + cb.width=glw->core.width; + cb.height=glw->core.height; + XtCallCallbackList((Widget)glw,glw->glwDrawingArea.inputCallback,&cb); + } + + +#ifdef __GLX_MOTIF + +/* Create routine */ +Widget GLwCreateMDrawingArea(Widget parent, char *name,ArgList arglist,Cardinal argcount){ + return XtCreateWidget(name,glwMDrawingAreaWidgetClass, parent, arglist,argcount); + } + +#endif + + +#ifndef __GLX_MOTIF + +/* Make context current */ +void GLwDrawingAreaMakeCurrent(Widget w,GLXContext ctx){ + glXMakeCurrent(XtDisplay(w),XtWindow(w),ctx); + } + + +/* Swap buffers convenience function */ +void GLwDrawingAreaSwapBuffers(Widget w){ + glXSwapBuffers(XtDisplay(w),XtWindow(w)); + } + +#endif |