Doxygen Source Code Documentation
layerutil.h File Reference
#include <X11/Xlib.h>#include <X11/Xutil.h>#include <X11/Xmd.h>Go to the source code of this file.
Data Structures | |
| struct | _OverlayInfo |
| struct | _XLayerVisualInfo |
Defines | |
| #define | TransparentPixel 1 |
| #define | TransparentMask 2 |
| #define | VisualLayerMask 0x200 |
| #define | VisualTransparentType 0x400 |
| #define | VisualTransparentValue 0x800 |
| #define | VisualAllLayerMask 0xFFF |
Typedefs | |
| typedef _XLayerVisualInfo | XLayerVisualInfo |
| typedef _OverlayInfo | OverlayInfo |
Functions | |
| int | __glutGetTransparentPixel (Display *, XVisualInfo *) |
| XLayerVisualInfo * | __glutXGetLayerVisualInfo (Display *, long, XLayerVisualInfo *, int *) |
| Status | __glutXMatchLayerVisualInfo (Display *, int, int, int, int, XLayerVisualInfo *) |
Define Documentation
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Definition at line 19 of file layerutil.h. |
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Definition at line 18 of file layerutil.h. Referenced by __glutGetTransparentPixel(), and getOverlayVisualInfoCI(). |
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Definition at line 25 of file layerutil.h. |
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Definition at line 22 of file layerutil.h. Referenced by __glutXGetLayerVisualInfo(), getOverlayVisualInfoCI(), and menuVisualSetup(). |
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Definition at line 23 of file layerutil.h. Referenced by __glutXGetLayerVisualInfo(), and getOverlayVisualInfoCI(). |
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Definition at line 24 of file layerutil.h. Referenced by __glutXGetLayerVisualInfo(). |
Typedef Documentation
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Function Documentation
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Definition at line 67 of file layerutil.c. References dpy, findServerOverlayVisualsInfo(), i, numOverlaysPerScreen, _OverlayInfo::overlay_visual, _OverlayInfo::transparent_type, TransparentPixel, and _OverlayInfo::value. Referenced by associateNewColormap(), and glutEstablishOverlay().
00068 {
00069 int i, screen = vinfo->screen;
00070 OverlayInfo *overlayInfo;
00071
00072 findServerOverlayVisualsInfo(dpy);
00073 if (layersRead) {
00074 for (i = 0; i < numOverlaysPerScreen[screen]; i++) {
00075 overlayInfo = &overlayInfoPerScreen[screen][i];
00076 if (vinfo->visualid == overlayInfo->overlay_visual) {
00077 if (overlayInfo->transparent_type == TransparentPixel) {
00078 return (int) overlayInfo->value;
00079 } else {
00080 return -1;
00081 }
00082 }
00083 }
00084 }
00085 return -1;
00086 }
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Definition at line 89 of file layerutil.c. References dpy, findServerOverlayVisualsInfo(), i, _OverlayInfo::layer, _XLayerVisualInfo::layer, malloc, numOverlaysPerScreen, _OverlayInfo::overlay_visual, _OverlayInfo::transparent_type, _XLayerVisualInfo::type, _OverlayInfo::value, _XLayerVisualInfo::value, _XLayerVisualInfo::vinfo, VisualLayerMask, VisualTransparentType, and VisualTransparentValue. Referenced by getOverlayVisualInfoCI(), and menuVisualSetup().
00091 {
00092 XVisualInfo *vinfo;
00093 XLayerVisualInfo *layerInfo;
00094 int numVisuals, count, i, j;
00095
00096 vinfo = XGetVisualInfo(dpy, lvinfo_mask & VisualAllMask,
00097 &lvinfo_template->vinfo, nitems_return);
00098 if (vinfo == NULL)
00099 return NULL;
00100 numVisuals = *nitems_return;
00101 findServerOverlayVisualsInfo(dpy);
00102 layerInfo = (XLayerVisualInfo *)
00103 malloc(numVisuals * sizeof(XLayerVisualInfo));
00104 if (layerInfo == NULL) {
00105 XFree(vinfo);
00106 return NULL;
00107 }
00108 count = 0;
00109 for (i = 0; i < numVisuals; i++) {
00110 XVisualInfo *pVinfo = &vinfo[i];
00111 int screen = pVinfo->screen;
00112 OverlayInfo *overlayInfo = NULL;
00113
00114 overlayInfo = NULL;
00115 if (layersRead) {
00116 for (j = 0; j < numOverlaysPerScreen[screen]; j++)
00117 if (pVinfo->visualid ==
00118 overlayInfoPerScreen[screen][j].overlay_visual) {
00119 overlayInfo = &overlayInfoPerScreen[screen][j];
00120 break;
00121 }
00122 }
00123 if (lvinfo_mask & VisualLayerMask)
00124 if (overlayInfo == NULL) {
00125 if (lvinfo_template->layer != 0)
00126 continue;
00127 } else if (lvinfo_template->layer != overlayInfo->layer)
00128 continue;
00129 if (lvinfo_mask & VisualTransparentType)
00130 if (overlayInfo == NULL) {
00131 if (lvinfo_template->type != None)
00132 continue;
00133 } else if (lvinfo_template->type !=
00134 overlayInfo->transparent_type)
00135 continue;
00136 if (lvinfo_mask & VisualTransparentValue)
00137 if (overlayInfo == NULL)
00138 /* non-overlay visuals have no sense of
00139 TransparentValue */
00140 continue;
00141 else if (lvinfo_template->value != overlayInfo->value)
00142 continue;
00143 layerInfo[count].vinfo = *pVinfo;
00144 if (overlayInfo == NULL) {
00145 layerInfo[count].layer = 0;
00146 layerInfo[count].type = None;
00147 layerInfo[count].value = 0; /* meaningless */
00148 } else {
00149 layerInfo[count].layer = overlayInfo->layer;
00150 layerInfo[count].type = overlayInfo->transparent_type;
00151 layerInfo[count].value = overlayInfo->value;
00152 }
00153 count++;
00154 }
00155 XFree(vinfo);
00156 *nitems_return = count;
00157 if (count == 0) {
00158 XFree(layerInfo);
00159 return NULL;
00160 } else
00161 return layerInfo;
00162 }
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