/* 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. */ #ifdef HAVE_XNEST_CONFIG_H #include <xnest-config.h> #endif #include <X11/X.h> #include <X11/Xproto.h> #include "gcstruct.h" #include "window.h" #include "windowstr.h" #include "pixmapstr.h" #include "colormapst.h" #include "scrnintstr.h" #include "region.h" #include "mi.h" #include "Xnest.h" #include "Display.h" #include "Screen.h" #include "XNGC.h" #include "Drawable.h" #include "Color.h" #include "Visual.h" #include "Events.h" #include "Args.h" DevPrivateKey xnestWindowPrivateKey = &xnestWindowPrivateKey; static int xnestFindWindowMatch(WindowPtr pWin, pointer ptr) { xnestWindowMatch *wm = (xnestWindowMatch *)ptr; if (wm->window == xnestWindow(pWin)) { wm->pWin = pWin; return WT_STOPWALKING; } else return WT_WALKCHILDREN; } WindowPtr xnestWindowPtr(Window window) { xnestWindowMatch wm; int i; wm.pWin = NullWindow; wm.window = window; for (i = 0; i < xnestNumScreens; i++) { WalkTree(screenInfo.screens[i], xnestFindWindowMatch, (pointer) &wm); if (wm.pWin) break; } return wm.pWin; } Bool xnestCreateWindow(WindowPtr pWin) { unsigned long mask; XSetWindowAttributes attributes; Visual *visual; ColormapPtr pCmap; if (pWin->drawable.class == InputOnly) { mask = 0L; visual = CopyFromParent; } else { mask = CWEventMask | CWBackingStore; attributes.event_mask = ExposureMask; attributes.backing_store = NotUseful; if (pWin->parent) { if (pWin->optional && pWin->optional->visual != wVisual(pWin->parent)) { visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin)); mask |= CWColormap; if (pWin->optional->colormap) { pCmap = (ColormapPtr)LookupIDByType(wColormap(pWin), RT_COLORMAP); attributes.colormap = xnestColormap(pCmap); } else attributes.colormap = xnestDefaultVisualColormap(visual); } else visual = CopyFromParent; } else { /* root windows have their own colormaps at creation time */ visual = xnestVisualFromID(pWin->drawable.pScreen, wVisual(pWin)); pCmap = (ColormapPtr)LookupIDByType(wColormap(pWin), RT_COLORMAP); mask |= CWColormap; attributes.colormap = xnestColormap(pCmap); } } xnestWindowPriv(pWin)->window = XCreateWindow(xnestDisplay, xnestWindowParent(pWin), pWin->origin.x - wBorderWidth(pWin), pWin->origin.y - wBorderWidth(pWin), pWin->drawable.width, pWin->drawable.height, pWin->borderWidth, pWin->drawable.depth, pWin->drawable.class, visual, mask, &attributes); xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin); xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); xnestWindowPriv(pWin)->width = pWin->drawable.width; xnestWindowPriv(pWin)->height = pWin->drawable.height; xnestWindowPriv(pWin)->border_width = pWin->borderWidth; xnestWindowPriv(pWin)->sibling_above = None; if (pWin->nextSib) xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin); #ifdef SHAPE xnestWindowPriv(pWin)->bounding_shape = REGION_CREATE(pWin->drawable.pScreen, NULL, 1); xnestWindowPriv(pWin)->clip_shape = REGION_CREATE(pWin->drawable.pScreen, NULL, 1); #endif /* SHAPE */ if (!pWin->parent) /* only the root window will have the right colormap */ xnestSetInstalledColormapWindows(pWin->drawable.pScreen); return True; } Bool xnestDestroyWindow(WindowPtr pWin) { if (pWin->nextSib) xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindowPriv(pWin)->sibling_above; #ifdef SHAPE REGION_DESTROY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->bounding_shape); REGION_DESTROY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->clip_shape); #endif XDestroyWindow(xnestDisplay, xnestWindow(pWin)); xnestWindowPriv(pWin)->window = None; if (pWin->optional && pWin->optional->colormap && pWin->parent) xnestSetInstalledColormapWindows(pWin->drawable.pScreen); return True; } Bool xnestPositionWindow(WindowPtr pWin, int x, int y) { xnestConfigureWindow(pWin, CWParent | CWX | CWY | CWWidth | CWHeight | CWBorderWidth); return True; } void xnestConfigureWindow(WindowPtr pWin, unsigned int mask) { unsigned int valuemask; XWindowChanges values; if (mask & CWParent && xnestWindowPriv(pWin)->parent != xnestWindowParent(pWin)) { XReparentWindow(xnestDisplay, xnestWindow(pWin), xnestWindowParent(pWin), pWin->origin.x - wBorderWidth(pWin), pWin->origin.y - wBorderWidth(pWin)); xnestWindowPriv(pWin)->parent = xnestWindowParent(pWin); xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); xnestWindowPriv(pWin)->sibling_above = None; if (pWin->nextSib) xnestWindowPriv(pWin->nextSib)->sibling_above = xnestWindow(pWin); } valuemask = 0; if (mask & CWX && xnestWindowPriv(pWin)->x != pWin->origin.x - wBorderWidth(pWin)) { valuemask |= CWX; values.x = xnestWindowPriv(pWin)->x = pWin->origin.x - wBorderWidth(pWin); } if (mask & CWY && xnestWindowPriv(pWin)->y != pWin->origin.y - wBorderWidth(pWin)) { valuemask |= CWY; values.y = xnestWindowPriv(pWin)->y = pWin->origin.y - wBorderWidth(pWin); } if (mask & CWWidth && xnestWindowPriv(pWin)->width != pWin->drawable.width) { valuemask |= CWWidth; values.width = xnestWindowPriv(pWin)->width = pWin->drawable.width; } if (mask & CWHeight && xnestWindowPriv(pWin)->height != pWin->drawable.height) { valuemask |= CWHeight; values.height = xnestWindowPriv(pWin)->height = pWin->drawable.height; } if (mask & CWBorderWidth && xnestWindowPriv(pWin)->border_width != pWin->borderWidth) { valuemask |= CWBorderWidth; values.border_width = xnestWindowPriv(pWin)->border_width = pWin->borderWidth; } if (valuemask) XConfigureWindow(xnestDisplay, xnestWindow(pWin), valuemask, &values); if (mask & CWStackingOrder && xnestWindowPriv(pWin)->sibling_above != xnestWindowSiblingAbove(pWin)) { WindowPtr pSib; /* find the top sibling */ for (pSib = pWin; pSib->prevSib != NullWindow; pSib = pSib->prevSib); /* the top sibling */ valuemask = CWStackMode; values.stack_mode = Above; XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values); xnestWindowPriv(pSib)->sibling_above = None; /* the rest of siblings */ for (pSib = pSib->nextSib; pSib != NullWindow; pSib = pSib->nextSib) { valuemask = CWSibling | CWStackMode; values.sibling = xnestWindowSiblingAbove(pSib); values.stack_mode = Below; XConfigureWindow(xnestDisplay, xnestWindow(pSib), valuemask, &values); xnestWindowPriv(pSib)->sibling_above = xnestWindowSiblingAbove(pSib); } } } Bool xnestChangeWindowAttributes(WindowPtr pWin, unsigned long mask) { XSetWindowAttributes attributes; if (mask & CWBackPixmap) switch (pWin->backgroundState) { case None: attributes.background_pixmap = None; break; case ParentRelative: attributes.background_pixmap = ParentRelative; break; case BackgroundPixmap: attributes.background_pixmap = xnestPixmap(pWin->background.pixmap); break; case BackgroundPixel: mask &= ~CWBackPixmap; break; } if (mask & CWBackPixel) { if (pWin->backgroundState == BackgroundPixel) attributes.background_pixel = xnestPixel(pWin->background.pixel); else mask &= ~CWBackPixel; } if (mask & CWBorderPixmap) { if (pWin->borderIsPixel) mask &= ~CWBorderPixmap; else attributes.border_pixmap = xnestPixmap(pWin->border.pixmap); } if (mask & CWBorderPixel) { if (pWin->borderIsPixel) attributes.border_pixel = xnestPixel(pWin->border.pixel); else mask &= ~CWBorderPixel; } if (mask & CWBitGravity) attributes.bit_gravity = pWin->bitGravity; if (mask & CWWinGravity) /* dix does this for us */ mask &= ~CWWinGravity; if (mask & CWBackingStore) /* this is really not useful */ mask &= ~CWBackingStore; if (mask & CWBackingPlanes) /* this is really not useful */ mask &= ~CWBackingPlanes; if (mask & CWBackingPixel) /* this is really not useful */ mask &= ~CWBackingPixel; if (mask & CWOverrideRedirect) attributes.override_redirect = pWin->overrideRedirect; if (mask & CWSaveUnder) /* this is really not useful */ mask &= ~CWSaveUnder; if (mask & CWEventMask) /* events are handled elsewhere */ mask &= ~CWEventMask; if (mask & CWDontPropagate) /* events are handled elsewhere */ mask &= ~CWDontPropagate; if (mask & CWColormap) { ColormapPtr pCmap; pCmap = (ColormapPtr)LookupIDByType(wColormap(pWin), RT_COLORMAP); attributes.colormap = xnestColormap(pCmap); xnestSetInstalledColormapWindows(pWin->drawable.pScreen); } if (mask & CWCursor) /* this is handeled in cursor code */ mask &= ~CWCursor; if (mask) XChangeWindowAttributes(xnestDisplay, xnestWindow(pWin), mask, &attributes); return True; } Bool xnestRealizeWindow(WindowPtr pWin) { xnestConfigureWindow(pWin, CWStackingOrder); #ifdef SHAPE xnestShapeWindow(pWin); #endif /* SHAPE */ XMapWindow(xnestDisplay, xnestWindow(pWin)); return True; } Bool xnestUnrealizeWindow(WindowPtr pWin) { XUnmapWindow(xnestDisplay, xnestWindow(pWin)); return True; } void xnestCopyWindow(WindowPtr pWin, xPoint oldOrigin, RegionPtr oldRegion) { } void xnestClipNotify(WindowPtr pWin, int dx, int dy) { xnestConfigureWindow(pWin, CWStackingOrder); #ifdef SHAPE xnestShapeWindow(pWin); #endif /* SHAPE */ } static Bool xnestWindowExposurePredicate(Display *display, XEvent *event, XPointer ptr) { return (event->type == Expose && event->xexpose.window == *(Window *)ptr); } void xnestWindowExposures(WindowPtr pWin, RegionPtr pRgn, RegionPtr other_exposed) { XEvent event; Window window; BoxRec Box; XSync(xnestDisplay, False); window = xnestWindow(pWin); while (XCheckIfEvent(xnestDisplay, &event, xnestWindowExposurePredicate, (char *)&window)) { Box.x1 = pWin->drawable.x + wBorderWidth(pWin) + event.xexpose.x; Box.y1 = pWin->drawable.y + wBorderWidth(pWin) + event.xexpose.y; Box.x2 = Box.x1 + event.xexpose.width; Box.y2 = Box.y1 + event.xexpose.height; event.xexpose.type = ProcessedExpose; if (RECT_IN_REGION(pWin->drawable.pScreen, pRgn, &Box) != rgnIN) XPutBackEvent(xnestDisplay, &event); } miWindowExposures(pWin, pRgn, other_exposed); } #ifdef SHAPE void xnestSetShape(WindowPtr pWin) { xnestShapeWindow(pWin); miSetShape(pWin); } static Bool xnestRegionEqual(RegionPtr pReg1, RegionPtr pReg2) { BoxPtr pBox1, pBox2; unsigned int n1, n2; if (pReg1 == pReg2) return True; if (pReg1 == NullRegion || pReg2 == NullRegion) return False; pBox1 = REGION_RECTS(pReg1); n1 = REGION_NUM_RECTS(pReg1); pBox2 = REGION_RECTS(pReg2); n2 = REGION_NUM_RECTS(pReg2); if (n1 != n2) return False; if (pBox1 == pBox2) return True; if (memcmp(pBox1, pBox2, n1 * sizeof(BoxRec))) return False; return True; } void xnestShapeWindow(WindowPtr pWin) { Region reg; BoxPtr pBox; XRectangle rect; int i; if (!xnestRegionEqual(xnestWindowPriv(pWin)->bounding_shape, wBoundingShape(pWin))) { if (wBoundingShape(pWin)) { REGION_COPY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->bounding_shape, wBoundingShape(pWin)); reg = XCreateRegion(); pBox = REGION_RECTS(xnestWindowPriv(pWin)->bounding_shape); for (i = 0; i < REGION_NUM_RECTS(xnestWindowPriv(pWin)->bounding_shape); i++) { rect.x = pBox[i].x1; rect.y = pBox[i].y1; rect.width = pBox[i].x2 - pBox[i].x1; rect.height = pBox[i].y2 - pBox[i].y1; XUnionRectWithRegion(&rect, reg, reg); } XShapeCombineRegion(xnestDisplay, xnestWindow(pWin), ShapeBounding, 0, 0, reg, ShapeSet); XDestroyRegion(reg); } else { REGION_EMPTY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->bounding_shape); XShapeCombineMask(xnestDisplay, xnestWindow(pWin), ShapeBounding, 0, 0, None, ShapeSet); } } if (!xnestRegionEqual(xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin))) { if (wClipShape(pWin)) { REGION_COPY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->clip_shape, wClipShape(pWin)); reg = XCreateRegion(); pBox = REGION_RECTS(xnestWindowPriv(pWin)->clip_shape); for (i = 0; i < REGION_NUM_RECTS(xnestWindowPriv(pWin)->clip_shape); i++) { rect.x = pBox[i].x1; rect.y = pBox[i].y1; rect.width = pBox[i].x2 - pBox[i].x1; rect.height = pBox[i].y2 - pBox[i].y1; XUnionRectWithRegion(&rect, reg, reg); } XShapeCombineRegion(xnestDisplay, xnestWindow(pWin), ShapeClip, 0, 0, reg, ShapeSet); XDestroyRegion(reg); } else { REGION_EMPTY(pWin->drawable.pScreen, xnestWindowPriv(pWin)->clip_shape); XShapeCombineMask(xnestDisplay, xnestWindow(pWin), ShapeClip, 0, 0, None, ShapeSet); } } } #endif /* SHAPE */