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-rw-r--r--hw/xnest/Screen.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/hw/xnest/Screen.c b/hw/xnest/Screen.c
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--- /dev/null
+++ b/hw/xnest/Screen.c
@@ -0,0 +1,376 @@
+/* $Xorg: Screen.c,v 1.3 2000/08/17 19:53:28 cpqbld Exp $ */
+/*
+
+Copyright 1993 by Davor Matic
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+#include "X.h"
+#include "Xproto.h"
+#include "scrnintstr.h"
+#include "dix.h"
+#include "mi.h"
+#include "mibstore.h"
+#include "colormapst.h"
+#include "resource.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "Screen.h"
+#include "Args.h"
+#include "XNGC.h"
+#include "GCOps.h"
+#include "Drawable.h"
+#include "XNFont.h"
+#include "Color.h"
+#include "Cursor.h"
+#include "Visual.h"
+#include "Events.h"
+#include "Init.h"
+#include "Args.h"
+
+extern Bool miModifyPixmapHeader();
+extern Bool miCreateScreenResources();
+extern Bool miCloseScreen();
+extern Bool miScreenInit();
+extern Window xnestParentWindow;
+
+Window xnestDefaultWindows[MAXSCREENS];
+Window xnestScreenSaverWindows[MAXSCREENS];
+
+ScreenPtr xnestScreen(window)
+ Window window;
+{
+ int i;
+
+ for (i = 0; i < xnestNumScreens; i++)
+ if (xnestDefaultWindows[i] == window)
+ return screenInfo.screens[i];
+
+ return NULL;
+}
+
+static int offset(mask)
+ unsigned long mask;
+{
+ int count;
+
+ for (count = 0; !(mask & 1) && count < 32; count++)
+ mask >>= 1;
+
+ return count;
+}
+
+static Bool xnestSaveScreen(pScreen, what)
+ ScreenPtr pScreen;
+ int what;
+{
+ if (xnestSoftwareScreenSaver)
+ return False;
+ else {
+ switch (what) {
+ case SCREEN_SAVER_ON:
+ XMapRaised(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]);
+ xnestSetScreenSaverColormapWindow(pScreen);
+ break;
+
+ case SCREEN_SAVER_OFF:
+ XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]);
+ xnestSetInstalledColormapWindows(pScreen);
+ break;
+
+ case SCREEN_SAVER_FORCER:
+ lastEventTime = GetTimeInMillis();
+ XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]);
+ xnestSetInstalledColormapWindows(pScreen);
+ break;
+
+ case SCREEN_SAVER_CYCLE:
+ XUnmapWindow(xnestDisplay, xnestScreenSaverWindows[pScreen->myNum]);
+ xnestSetInstalledColormapWindows(pScreen);
+ break;
+ }
+ return True;
+ }
+}
+
+Bool xnestOpenScreen(index, pScreen, argc, argv)
+ int index;
+ register ScreenPtr pScreen;
+ int argc;
+ char *argv[];
+{
+ VisualPtr visuals;
+ DepthPtr depths;
+ int numVisuals, numDepths;
+ int i, j, depthIndex;
+ unsigned long valuemask;
+ XSetWindowAttributes attributes;
+ XWindowAttributes gattributes;
+ XSizeHints sizeHints;
+
+ if (!(AllocateWindowPrivate(pScreen, xnestWindowPrivateIndex,
+ sizeof(xnestPrivWin)) &&
+ AllocateGCPrivate(pScreen, xnestGCPrivateIndex,
+ sizeof(xnestPrivGC))))
+ return False;
+
+ visuals = (VisualPtr)xalloc(xnestNumVisuals * sizeof(VisualRec));
+ numVisuals = 0;
+
+ depths = (DepthPtr)xalloc(MAXDEPTH * sizeof(DepthRec));
+ depths[0].depth = 1;
+ depths[0].numVids = 0;
+ depths[0].vids = (VisualID *)xalloc(MAXVISUALSPERDEPTH * sizeof(VisualID));
+ numDepths = 1;
+
+ for (i = 0; i < xnestNumVisuals; i++) {
+ visuals[numVisuals].vid = FakeClientID(0);
+ visuals[numVisuals].class = xnestVisuals[i].class;
+ visuals[numVisuals].bitsPerRGBValue = xnestVisuals[i].bits_per_rgb;
+ visuals[numVisuals].ColormapEntries = xnestVisuals[i].colormap_size;
+ visuals[numVisuals].nplanes = xnestVisuals[i].depth;
+ visuals[numVisuals].redMask = xnestVisuals[i].red_mask;
+ visuals[numVisuals].greenMask = xnestVisuals[i].green_mask;
+ visuals[numVisuals].blueMask = xnestVisuals[i].blue_mask;
+ visuals[numVisuals].offsetRed = offset(xnestVisuals[i].red_mask);
+ visuals[numVisuals].offsetGreen = offset(xnestVisuals[i].green_mask);
+ visuals[numVisuals].offsetBlue = offset(xnestVisuals[i].blue_mask);
+
+ depthIndex = UNDEFINED;
+ for (j = 0; j < numDepths; j++)
+ if (depths[j].depth == xnestVisuals[i].depth) {
+ depthIndex = j;
+ break;
+ }
+
+ if (depthIndex == UNDEFINED) {
+ depthIndex = numDepths;
+ depths[depthIndex].depth = xnestVisuals[i].depth;
+ depths[depthIndex].numVids = 0;
+ depths[depthIndex].vids =
+ (VisualID *)xalloc(MAXVISUALSPERDEPTH * sizeof(VisualID));
+ numDepths++;
+ }
+ depths[depthIndex].vids[depths[depthIndex].numVids] =
+ visuals[numVisuals].vid;
+ depths[depthIndex].numVids++;
+
+ numVisuals++;
+ }
+
+ if (xnestParentWindow != 0) {
+ XGetWindowAttributes(xnestDisplay, xnestParentWindow, &gattributes);
+ xnestWidth = gattributes.width;
+ xnestHeight = gattributes.height;
+ }
+
+ /* myNum */
+ /* id */
+ miScreenInit(pScreen, NULL, xnestWidth, xnestHeight, 1, 1, xnestWidth,
+ visuals[xnestDefaultVisualIndex].nplanes, /* rootDepth */
+ numDepths, depths,
+ visuals[xnestDefaultVisualIndex].vid, /* root visual */
+ numVisuals, visuals, NULL);
+
+ pScreen->mmWidth = xnestWidth * DisplayWidthMM(xnestDisplay,
+ DefaultScreen(xnestDisplay)) /
+ DisplayWidth(xnestDisplay,
+ DefaultScreen(xnestDisplay));
+ pScreen->mmHeight = xnestHeight * DisplayHeightMM(xnestDisplay,
+ DefaultScreen(xnestDisplay)) /
+ DisplayHeight(xnestDisplay,
+ DefaultScreen(xnestDisplay));
+
+ pScreen->defColormap = (Colormap) FakeClientID(0);
+ pScreen->minInstalledCmaps = MINCMAPS;
+ pScreen->maxInstalledCmaps = MAXCMAPS;
+ pScreen->backingStoreSupport = NotUseful;
+ pScreen->saveUnderSupport = NotUseful;
+ pScreen->whitePixel = xnestWhitePixel;
+ pScreen->blackPixel = xnestBlackPixel;
+ /* rgf */
+ /* GCperDepth */
+ /* PixmapPerDepth */
+ pScreen->devPrivate = NULL;
+ /* WindowPrivateLen */
+ /* WindowPrivateSizes */
+ /* totalWindowSize */
+ /* GCPrivateLen */
+ /* GCPrivateSizes */
+ /* totalGCSize */
+
+ /* Random screen procedures */
+
+ pScreen->CloseScreen = xnestCloseScreen;
+ pScreen->QueryBestSize = xnestQueryBestSize;
+ pScreen->SaveScreen = xnestSaveScreen;
+ pScreen->GetImage = xnestGetImage;
+ pScreen->GetSpans = xnestGetSpans;
+ pScreen->PointerNonInterestBox = (void (*)()) 0;
+ pScreen->SourceValidate = (void (*)()) 0;
+
+ /* Window Procedures */
+
+ pScreen->CreateWindow = xnestCreateWindow;
+ pScreen->DestroyWindow = xnestDestroyWindow;
+ pScreen->PositionWindow = xnestPositionWindow;
+ pScreen->ChangeWindowAttributes = xnestChangeWindowAttributes;
+ pScreen->RealizeWindow = xnestRealizeWindow;
+ pScreen->UnrealizeWindow = xnestUnrealizeWindow;
+ pScreen->PostValidateTree = (void (*)()) 0;
+ pScreen->WindowExposures = xnestWindowExposures;
+ pScreen->PaintWindowBackground = xnestPaintWindowBackground;
+ pScreen->PaintWindowBorder = xnestPaintWindowBorder;
+ pScreen->CopyWindow = xnestCopyWindow;
+ pScreen->ClipNotify = xnestClipNotify;
+
+ /* Pixmap procedures */
+
+ pScreen->CreatePixmap = xnestCreatePixmap;
+ pScreen->DestroyPixmap = xnestDestroyPixmap;
+
+ /* Backing store procedures */
+
+ pScreen->SaveDoomedAreas = (void (*)()) 0;
+ pScreen->RestoreAreas = (RegionPtr (*)()) 0;
+ pScreen->ExposeCopy = (void (*)()) 0;
+ pScreen->TranslateBackingStore = (RegionPtr (*)()) 0;
+ pScreen->ClearBackingStore = (RegionPtr (*)()) 0;
+ pScreen->DrawGuarantee = (void (*)()) 0;
+
+ /* Font procedures */
+
+ pScreen->RealizeFont = xnestRealizeFont;
+ pScreen->UnrealizeFont = xnestUnrealizeFont;
+
+ /* Cursor Procedures */
+
+ pScreen->ConstrainCursor = xnestConstrainCursor;
+ pScreen->CursorLimits = xnestCursorLimits;
+ pScreen->DisplayCursor = xnestDisplayCursor;
+ pScreen->RealizeCursor = xnestRealizeCursor;
+ pScreen->UnrealizeCursor = xnestUnrealizeCursor;
+ pScreen->RecolorCursor = xnestRecolorCursor;
+ pScreen->SetCursorPosition = xnestSetCursorPosition;
+
+ /* GC procedures */
+
+ pScreen->CreateGC = xnestCreateGC;
+
+ /* Colormap procedures */
+
+ pScreen->CreateColormap = xnestCreateColormap;
+ pScreen->DestroyColormap = xnestDestroyColormap;
+ pScreen->InstallColormap = xnestInstallColormap;
+ pScreen->UninstallColormap = xnestUninstallColormap;
+ pScreen->ListInstalledColormaps = xnestListInstalledColormaps;
+ pScreen->StoreColors = xnestStoreColors;
+ pScreen->ResolveColor = xnestResolveColor;
+
+ pScreen->BitmapToRegion = xnestPixmapToRegion;
+
+ /* OS layer procedures */
+
+ pScreen->BlockHandler = (void (*)())NoopDDA;
+ pScreen->WakeupHandler = (void (*)())NoopDDA;
+ pScreen->blockData = (pointer)0;
+ pScreen->wakeupData = (pointer)0;
+ if (!miScreenDevPrivateInit(pScreen, xnestWidth, NULL))
+ return FALSE;
+
+ /* devPrivates */
+
+#define POSITION_OFFSET (pScreen->myNum * (xnestWidth + xnestHeight) / 32)
+
+ if (xnestDoFullGeneration) {
+
+ valuemask = CWBackPixel | CWEventMask | CWColormap;
+ attributes.background_pixel = xnestWhitePixel;
+ attributes.event_mask = xnestEventMask;
+ attributes.colormap = xnestDefaultVisualColormap(xnestDefaultVisual(pScreen));
+
+ if (xnestParentWindow != 0) {
+ xnestDefaultWindows[pScreen->myNum] = xnestParentWindow;
+ XSelectInput (xnestDisplay, xnestDefaultWindows[pScreen->myNum],
+ xnestEventMask);
+ } else
+ xnestDefaultWindows[pScreen->myNum] =
+ XCreateWindow(xnestDisplay,
+ DefaultRootWindow(xnestDisplay),
+ xnestX + POSITION_OFFSET,
+ xnestY + POSITION_OFFSET,
+ xnestWidth, xnestHeight,
+ xnestBorderWidth,
+ pScreen->rootDepth,
+ InputOutput,
+ xnestDefaultVisual(pScreen),
+ valuemask, &attributes);
+
+ if (!xnestWindowName)
+ xnestWindowName = argv[0];
+
+ sizeHints.flags = PPosition | PSize | PMaxSize;
+ sizeHints.x = xnestX + POSITION_OFFSET;
+ sizeHints.y = xnestY + POSITION_OFFSET;
+ sizeHints.width = sizeHints.max_width = xnestWidth;
+ sizeHints.height = sizeHints.max_height = xnestHeight;
+ if (xnestUserGeometry & XValue || xnestUserGeometry & YValue)
+ sizeHints.flags |= USPosition;
+ if (xnestUserGeometry & WidthValue || xnestUserGeometry & HeightValue)
+ sizeHints.flags |= USSize;
+ XSetStandardProperties(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum],
+ xnestWindowName,
+ xnestWindowName,
+ xnestIconBitmap,
+ argv, argc, &sizeHints);
+
+ XMapWindow(xnestDisplay, xnestDefaultWindows[pScreen->myNum]);
+
+ valuemask = CWBackPixmap | CWColormap;
+ attributes.background_pixmap = xnestScreenSaverPixmap;
+ attributes.colormap =
+ DefaultColormap(xnestDisplay, DefaultScreen(xnestDisplay));
+ xnestScreenSaverWindows[pScreen->myNum] =
+ XCreateWindow(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum],
+ 0, 0, xnestWidth, xnestHeight, 0,
+ DefaultDepth(xnestDisplay, DefaultScreen(xnestDisplay)),
+ InputOutput,
+ DefaultVisual(xnestDisplay, DefaultScreen(xnestDisplay)),
+ valuemask, &attributes);
+ }
+
+ if (!xnestCreateDefaultColormap(pScreen)) return False;
+
+ return True;
+}
+
+Bool xnestCloseScreen(index, pScreen)
+ int index;
+ ScreenPtr pScreen;
+{
+ int i;
+
+ for (i = 0; i < pScreen->numDepths; i++)
+ xfree(pScreen->allowedDepths[i].vids);
+ xfree(pScreen->allowedDepths);
+ xfree(pScreen->visuals);
+ xfree(pScreen->devPrivate);
+
+ /*
+ If xnestDoFullGeneration all x resources will be destroyed upon closing
+ the display connection. There is no need to generate extra protocol.
+ */
+
+ return True;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 09:55:57 +0000