540 lines
19 KiB
C
540 lines
19 KiB
C
/*
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Copyright 1993 by Davor Matic
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation. Davor Matic makes no representations about
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the suitability of this software for any purpose. It is provided "as
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is" without express or implied warranty.
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*/
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#ifdef HAVE_XNEST_CONFIG_H
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#include <xnest-config.h>
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#endif
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#include <xcb/xcb.h>
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#include <xcb/xcb_aux.h>
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#include <X11/X.h>
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#include <X11/Xdefs.h>
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#include <X11/Xproto.h>
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#include <xcb/xcb_icccm.h>
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#include "mi/mi_priv.h"
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#include "scrnintstr.h"
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#include "dix.h"
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#include "mi.h"
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#include "micmap.h"
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#include "colormapst.h"
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#include "resource.h"
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#include "xnest-xcb.h"
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#include "Display.h"
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#include "Screen.h"
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#include "XNGC.h"
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#include "GCOps.h"
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#include "Drawable.h"
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#include "XNFont.h"
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#include "Color.h"
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#include "XNCursor.h"
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#include "Events.h"
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#include "Init.h"
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#include "mipointer.h"
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#include "Args.h"
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#include "mipointrst.h"
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Window xnestDefaultWindows[MAXSCREENS];
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Window xnestScreenSaverWindows[MAXSCREENS];
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DevPrivateKeyRec xnestScreenCursorFuncKeyRec;
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DevScreenPrivateKeyRec xnestScreenCursorPrivKeyRec;
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ScreenPtr
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xnestScreen(Window window)
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{
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int i;
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for (i = 0; i < xnestNumScreens; i++)
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if (xnestDefaultWindows[i] == window)
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return screenInfo.screens[i];
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return NULL;
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}
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static int
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offset(unsigned long mask)
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{
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int count;
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for (count = 0; !(mask & 1) && count < 32; count++)
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mask >>= 1;
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return count;
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}
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static Bool
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xnestSaveScreen(ScreenPtr pScreen, int what)
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{
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if (xnestSoftwareScreenSaver)
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return FALSE;
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else {
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switch (what) {
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case SCREEN_SAVER_ON:
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xcb_map_window(xnestUpstreamInfo.conn, xnestScreenSaverWindows[pScreen->myNum]);
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uint32_t value = XCB_STACK_MODE_ABOVE;
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xcb_configure_window(xnestUpstreamInfo.conn,
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xnestScreenSaverWindows[pScreen->myNum],
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XCB_CONFIG_WINDOW_STACK_MODE,
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&value);
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xnestSetScreenSaverColormapWindow(pScreen);
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break;
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case SCREEN_SAVER_OFF:
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xcb_unmap_window(xnestUpstreamInfo.conn, xnestScreenSaverWindows[pScreen->myNum]);
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xnestSetInstalledColormapWindows(pScreen);
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break;
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case SCREEN_SAVER_FORCER:
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lastEventTime = GetTimeInMillis();
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xcb_unmap_window(xnestUpstreamInfo.conn, xnestScreenSaverWindows[pScreen->myNum]);
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xnestSetInstalledColormapWindows(pScreen);
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break;
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case SCREEN_SAVER_CYCLE:
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xcb_unmap_window(xnestUpstreamInfo.conn, xnestScreenSaverWindows[pScreen->myNum]);
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xnestSetInstalledColormapWindows(pScreen);
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break;
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}
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return TRUE;
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}
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}
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static Bool
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xnestCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y)
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{
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return FALSE;
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}
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static void
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xnestCrossScreen(ScreenPtr pScreen, Bool entering)
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{
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}
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static miPointerScreenFuncRec xnestPointerCursorFuncs = {
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xnestCursorOffScreen,
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xnestCrossScreen,
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miPointerWarpCursor
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};
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static miPointerSpriteFuncRec xnestPointerSpriteFuncs = {
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xnestRealizeCursor,
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xnestUnrealizeCursor,
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xnestSetCursor,
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xnestMoveCursor,
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xnestDeviceCursorInitialize,
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xnestDeviceCursorCleanup
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};
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static int add_depth_visual(DepthPtr depths, int numDepths, int nplanes, VisualID vid)
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{
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DepthPtr walk = NULL;
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for (int j = 0; j < numDepths; j++)
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if (depths[j].depth == nplanes) {
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walk = &depths[j];
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break;
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}
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if (!walk) {
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walk = &depths[numDepths++];
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walk->depth = nplanes;
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walk->numVids = 0;
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walk->vids = (VisualID *) malloc(MAXVISUALSPERDEPTH * sizeof(VisualID));
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}
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if (walk->numVids >= MAXVISUALSPERDEPTH) {
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FatalError("Visual table overflow");
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}
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walk->vids[walk->numVids] = vid;
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walk->numVids++;
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return numDepths;
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}
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Bool
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xnestOpenScreen(ScreenPtr pScreen, int argc, char *argv[])
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{
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unsigned long valuemask;
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VisualID defaultVisual;
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int rootDepth;
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miPointerScreenPtr PointPriv;
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if (!dixRegisterPrivateKey
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(&xnestWindowPrivateKeyRec, PRIVATE_WINDOW, sizeof(xnestPrivWin)))
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return FALSE;
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if (!dixRegisterPrivateKey
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(&xnestGCPrivateKeyRec, PRIVATE_GC, sizeof(xnestPrivGC)))
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return FALSE;
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if (!dixRegisterPrivateKey
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(&xnestPixmapPrivateKeyRec, PRIVATE_PIXMAP, sizeof(xnestPrivPixmap)))
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return FALSE;
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if (!dixRegisterPrivateKey
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(&xnestColormapPrivateKeyRec, PRIVATE_COLORMAP,
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sizeof(xnestPrivColormap)))
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return FALSE;
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if (!dixRegisterPrivateKey(&xnestScreenCursorFuncKeyRec, PRIVATE_SCREEN, 0))
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return FALSE;
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if (!dixRegisterScreenPrivateKey(&xnestScreenCursorPrivKeyRec, pScreen,
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PRIVATE_CURSOR, 0))
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return FALSE;
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int numVisuals = 0;
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VisualPtr visuals = calloc(1, sizeof(VisualRec));
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int numDepths = 1;
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DepthPtr depths = calloc(MAXDEPTH, sizeof(DepthRec));
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if (!visuals || !depths) {
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free(visuals);
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free(depths);
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return FALSE;
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}
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if (!xnestVisualMap)
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xnestVisualMap = calloc(1, sizeof(xnest_visual_t));
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else
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xnestVisualMap = reallocarray(xnestVisualMap, xnestNumVisualMap+1, sizeof(xnest_visual_t));
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depths[0].depth = 1;
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depths[0].numVids = 0;
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depths[0].vids = calloc(MAXVISUALSPERDEPTH, sizeof(VisualID));
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int found_default_visual = 0;
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xcb_depth_iterator_t depth_iter;
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for (depth_iter = xcb_screen_allowed_depths_iterator(xnestUpstreamInfo.screenInfo);
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depth_iter.rem;
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xcb_depth_next(&depth_iter))
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{
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int vlen = xcb_depth_visuals_length (depth_iter.data);
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xcb_visualtype_t *vts = xcb_depth_visuals (depth_iter.data);
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for (int x=0; x<vlen; x++) {
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for (int j = 0; j < numVisuals; j++) {
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if (vts[x]._class == visuals[j].class &&
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vts[x].bits_per_rgb_value == visuals[j].bitsPerRGBValue &&
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vts[x].colormap_entries == visuals[j].ColormapEntries &&
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depth_iter.data->depth == visuals[j].nplanes &&
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vts[x].red_mask == visuals[j].redMask &&
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vts[x].green_mask == visuals[j].greenMask &&
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vts[x].blue_mask == visuals[j].blueMask &&
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offset(vts[x].red_mask) == visuals[j].offsetRed &&
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offset(vts[x].green_mask) == visuals[j].offsetGreen &&
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offset(vts[x].blue_mask) == visuals[j].offsetBlue)
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goto breakout;
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}
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visuals[numVisuals] = (VisualRec) {
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.class = vts[x]._class,
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.bitsPerRGBValue = vts[x].bits_per_rgb_value,
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.ColormapEntries = vts[x].colormap_entries,
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.nplanes = depth_iter.data->depth,
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.redMask = vts[x].red_mask,
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.greenMask = vts[x].green_mask,
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.blueMask = vts[x].blue_mask,
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.offsetRed = offset(vts[x].red_mask),
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.offsetGreen = offset(vts[x].green_mask),
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.offsetBlue = offset(vts[x].blue_mask),
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.vid = FakeClientID(0),
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};
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xnestVisualMap[xnestNumVisualMap] = (xnest_visual_t) {
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.ourXID = visuals[numVisuals].vid,
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.ourVisual = &visuals[numVisuals],
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.upstreamDepth = depth_iter.data,
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.upstreamVisual = &vts[x],
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.upstreamCMap = xcb_generate_id(xnestUpstreamInfo.conn),
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};
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xcb_create_colormap(xnestUpstreamInfo.conn,
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XCB_COLORMAP_ALLOC_NONE,
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xnestVisualMap[xnestNumVisualMap].upstreamCMap,
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xnestUpstreamInfo.screenInfo->root,
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xnestVisualMap[xnestNumVisualMap].upstreamVisual->visual_id);
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numDepths = add_depth_visual(depths, numDepths, visuals[numVisuals].nplanes, visuals[numVisuals].vid);
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if (xnestUserDefaultClass || xnestUserDefaultDepth) {
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if ((!xnestDefaultClass || visuals[numVisuals].class == xnestDefaultClass) &&
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(!xnestDefaultDepth || visuals[numVisuals].nplanes == xnestDefaultDepth))
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{
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defaultVisual = visuals[numVisuals].vid;
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rootDepth = visuals[numVisuals].nplanes;
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found_default_visual = 1;
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}
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}
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else
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{
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VisualID visual_id = xnestUpstreamInfo.screenInfo->root_visual;
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if (visual_id == vts[x].visual_id) {
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defaultVisual = visuals[numVisuals].vid;
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rootDepth = visuals[numVisuals].nplanes;
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found_default_visual = 1;
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}
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}
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numVisuals++;
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xnestNumVisualMap++;
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visuals = reallocarray(visuals, numVisuals+1, sizeof(VisualRec));
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xnestVisualMap = reallocarray(xnestVisualMap, xnestNumVisualMap+1, sizeof(xnest_visual_t));
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}
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}
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breakout:
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visuals = reallocarray(visuals, numVisuals, sizeof(VisualRec));
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xnestVisualMap = reallocarray(xnestVisualMap, xnestNumVisualMap, sizeof(xnest_visual_t));
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if (!found_default_visual) {
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ErrorF("Xnest: can't find matching visual for user specified depth %d\n", xnestDefaultDepth);
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defaultVisual = visuals[0].vid;
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rootDepth = visuals[0].nplanes;
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}
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if (xnestParentWindow != 0) {
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xRectangle r = xnest_get_geometry(xnestUpstreamInfo.conn, xnestParentWindow);
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xnestGeometry.width = r.width;
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xnestGeometry.height = r.height;
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}
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/* myNum */
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/* id */
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if (!miScreenInit(pScreen, NULL, xnestGeometry.width, xnestGeometry.height,
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1, 1, xnestGeometry.width, rootDepth, numDepths, depths, defaultVisual, /* root visual */
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numVisuals, visuals))
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return FALSE;
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pScreen->defColormap = (Colormap) FakeClientID(0);
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pScreen->minInstalledCmaps = MINCMAPS;
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pScreen->maxInstalledCmaps = MAXCMAPS;
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pScreen->backingStoreSupport = XCB_BACKING_STORE_NOT_USEFUL;
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pScreen->saveUnderSupport = XCB_BACKING_STORE_NOT_USEFUL;
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pScreen->whitePixel = xnestUpstreamInfo.screenInfo->white_pixel;
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pScreen->blackPixel = xnestUpstreamInfo.screenInfo->black_pixel;
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/* GCperDepth */
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/* defaultStipple */
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/* WindowPrivateLen */
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/* WindowPrivateSizes */
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/* totalWindowSize */
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/* GCPrivateLen */
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/* GCPrivateSizes */
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/* totalGCSize */
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/* Random screen procedures */
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pScreen->QueryBestSize = xnestQueryBestSize;
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pScreen->SaveScreen = xnestSaveScreen;
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pScreen->GetImage = xnestGetImage;
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pScreen->GetSpans = xnestGetSpans;
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/* Window Procedures */
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pScreen->CreateWindow = xnestCreateWindow;
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pScreen->DestroyWindow = xnestDestroyWindow;
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pScreen->PositionWindow = xnestPositionWindow;
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pScreen->ChangeWindowAttributes = xnestChangeWindowAttributes;
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pScreen->RealizeWindow = xnestRealizeWindow;
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pScreen->UnrealizeWindow = xnestUnrealizeWindow;
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pScreen->PostValidateTree = NULL;
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pScreen->WindowExposures = miWindowExposures;
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pScreen->CopyWindow = xnestCopyWindow;
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pScreen->ClipNotify = xnestClipNotify;
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pScreen->ClearToBackground = xnest_screen_ClearToBackground;
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/* Pixmap procedures */
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pScreen->CreatePixmap = xnestCreatePixmap;
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pScreen->DestroyPixmap = xnestDestroyPixmap;
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pScreen->ModifyPixmapHeader = xnestModifyPixmapHeader;
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/* Font procedures */
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pScreen->RealizeFont = xnestRealizeFont;
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pScreen->UnrealizeFont = xnestUnrealizeFont;
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/* GC procedures */
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pScreen->CreateGC = xnestCreateGC;
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/* Colormap procedures */
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pScreen->CreateColormap = xnestCreateColormap;
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pScreen->DestroyColormap = xnestDestroyColormap;
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pScreen->InstallColormap = xnestInstallColormap;
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pScreen->UninstallColormap = xnestUninstallColormap;
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pScreen->ListInstalledColormaps = xnestListInstalledColormaps;
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pScreen->StoreColors = xnestStoreColors;
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pScreen->ResolveColor = xnestResolveColor;
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pScreen->BitmapToRegion = xnestPixmapToRegion;
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/* OS layer procedures */
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pScreen->BlockHandler = (ScreenBlockHandlerProcPtr) NoopDDA;
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pScreen->WakeupHandler = (ScreenWakeupHandlerProcPtr) NoopDDA;
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miDCInitialize(pScreen, &xnestPointerCursorFuncs); /* init SW rendering */
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PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
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xnestCursorFuncs.spriteFuncs = PointPriv->spriteFuncs;
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dixSetPrivate(&pScreen->devPrivates, &xnestScreenCursorFuncKeyRec,
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&xnestCursorFuncs);
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PointPriv->spriteFuncs = &xnestPointerSpriteFuncs;
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pScreen->mmWidth =
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xnestGeometry.width * xnestUpstreamInfo.screenInfo->width_in_millimeters /
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xnestUpstreamInfo.screenInfo->width_in_pixels;
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pScreen->mmHeight =
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xnestGeometry.height * xnestUpstreamInfo.screenInfo->height_in_millimeters /
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xnestUpstreamInfo.screenInfo->height_in_pixels;
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/* overwrite miCloseScreen with our own */
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pScreen->CloseScreen = xnestCloseScreen;
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/* overwrite miSetShape with our own */
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pScreen->SetShape = xnestSetShape;
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/* devPrivates */
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#define POSITION_OFFSET (pScreen->myNum * (xnestGeometry.width + xnestGeometry.height) / 32)
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if (xnestDoFullGeneration) {
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xcb_params_cw_t attributes = {
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.back_pixel = xnestUpstreamInfo.screenInfo->white_pixel,
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.event_mask = xnestEventMask,
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.colormap = xnest_visual_to_upstream_cmap(pScreen->rootVisual),
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};
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valuemask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
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if (xnestParentWindow != 0) {
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xnestDefaultWindows[pScreen->myNum] = xnestParentWindow;
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xcb_change_window_attributes(xnestUpstreamInfo.conn,
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xnestDefaultWindows[pScreen->myNum],
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XCB_CW_EVENT_MASK,
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&xnestEventMask);
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}
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else {
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xnestDefaultWindows[pScreen->myNum] = xcb_generate_id(xnestUpstreamInfo.conn);
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xcb_aux_create_window(xnestUpstreamInfo.conn,
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pScreen->rootDepth,
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xnestDefaultWindows[pScreen->myNum],
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xnestUpstreamInfo.screenInfo->root,
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xnestGeometry.x + POSITION_OFFSET,
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xnestGeometry.y + POSITION_OFFSET,
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xnestGeometry.width,
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xnestGeometry.height,
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xnestBorderWidth,
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XCB_WINDOW_CLASS_INPUT_OUTPUT,
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xnest_visual_map_to_upstream(pScreen->rootVisual),
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valuemask,
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&attributes);
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}
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if (!xnestWindowName)
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xnestWindowName = argv[0];
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xcb_size_hints_t sizeHints = {
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.flags = XCB_ICCCM_SIZE_HINT_P_POSITION | XCB_ICCCM_SIZE_HINT_P_SIZE | XCB_ICCCM_SIZE_HINT_P_MAX_SIZE,
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.x = xnestGeometry.x + POSITION_OFFSET,
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.y = xnestGeometry.y + POSITION_OFFSET,
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.width = xnestGeometry.width,
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.height = xnestGeometry.height,
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.max_width = xnestGeometry.width,
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.max_height = xnestGeometry.height,
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};
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if (xnestUserGeometry & XCB_CONFIG_WINDOW_X ||
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xnestUserGeometry & XCB_CONFIG_WINDOW_Y)
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sizeHints.flags |= XCB_ICCCM_SIZE_HINT_US_POSITION;
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if (xnestUserGeometry & XCB_CONFIG_WINDOW_WIDTH ||
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xnestUserGeometry & XCB_CONFIG_WINDOW_HEIGHT)
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sizeHints.flags |= XCB_ICCCM_SIZE_HINT_US_SIZE;
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const size_t windowNameLen = strlen(xnestWindowName);
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xcb_icccm_set_wm_name_checked(xnestUpstreamInfo.conn,
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xnestDefaultWindows[pScreen->myNum],
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XCB_ATOM_STRING,
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8,
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windowNameLen,
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xnestWindowName);
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xcb_icccm_set_wm_icon_name_checked(xnestUpstreamInfo.conn,
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xnestDefaultWindows[pScreen->myNum],
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XCB_ATOM_STRING,
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8,
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windowNameLen,
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xnestWindowName);
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xnest_set_command(xnestUpstreamInfo.conn,
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xnestDefaultWindows[pScreen->myNum],
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argv, argc);
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xcb_icccm_wm_hints_t wmhints = {
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.icon_pixmap = xnestIconBitmap,
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.flags = XCB_ICCCM_WM_HINT_ICON_PIXMAP,
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};
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xcb_icccm_set_wm_hints_checked(xnestUpstreamInfo.conn,
|
|
xnestDefaultWindows[pScreen->myNum],
|
|
&wmhints);
|
|
|
|
xcb_map_window(xnestUpstreamInfo.conn, xnestDefaultWindows[pScreen->myNum]);
|
|
|
|
valuemask = XCB_CW_BACK_PIXMAP | XCB_CW_COLORMAP;
|
|
attributes.back_pixmap = xnestScreenSaverPixmap;
|
|
attributes.colormap = xnestUpstreamInfo.screenInfo->default_colormap;
|
|
|
|
xnestScreenSaverWindows[pScreen->myNum] = xcb_generate_id(xnestUpstreamInfo.conn);
|
|
xcb_aux_create_window(xnestUpstreamInfo.conn,
|
|
xnestUpstreamInfo.screenInfo->root_depth,
|
|
xnestScreenSaverWindows[pScreen->myNum],
|
|
xnestDefaultWindows[pScreen->myNum],
|
|
0,
|
|
0,
|
|
xnestGeometry.width,
|
|
xnestGeometry.height,
|
|
0,
|
|
XCB_WINDOW_CLASS_INPUT_OUTPUT,
|
|
xnestUpstreamInfo.screenInfo->root_visual,
|
|
valuemask,
|
|
&attributes);
|
|
}
|
|
|
|
if (!xnestCreateDefaultColormap(pScreen))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool
|
|
xnestCloseScreen(ScreenPtr pScreen)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < pScreen->numDepths; i++)
|
|
free(pScreen->allowedDepths[i].vids);
|
|
free(pScreen->allowedDepths);
|
|
free(pScreen->visuals);
|
|
miScreenClose(pScreen);
|
|
|
|
/*
|
|
If xnestDoFullGeneration all x resources will be destroyed upon closing
|
|
the display connection. There is no need to generate extra protocol.
|
|
*/
|
|
|
|
return TRUE;
|
|
}
|