aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/xnest/Window.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xnest/Window.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xnest/Window.c558
1 files changed, 558 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xnest/Window.c b/nx-X11/programs/Xserver/hw/xnest/Window.c
new file mode 100644
index 000000000..f652c342a
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xnest/Window.c
@@ -0,0 +1,558 @@
+/* $Xorg: Window.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.
+
+*/
+/* $XFree86: xc/programs/Xserver/hw/xnest/Window.c,v 3.7 2001/10/28 03:34:11 tsi Exp $ */
+
+#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"
+
+int xnestWindowPrivateIndex;
+
+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
+xnestPaintWindowBackground(WindowPtr pWin, RegionPtr pRegion, int what)
+{
+ int i;
+ BoxPtr pBox;
+
+ xnestConfigureWindow(pWin, CWWidth | CWHeight);
+
+ pBox = REGION_RECTS(pRegion);
+ for (i = 0; i < REGION_NUM_RECTS(pRegion); i++)
+ XClearArea(xnestDisplay, xnestWindow(pWin),
+ pBox[i].x1 - pWin->drawable.x,
+ pBox[i].y1 - pWin->drawable.y,
+ pBox[i].x2 - pBox[i].x1,
+ pBox[i].y2 - pBox[i].y1,
+ False);
+}
+
+void
+xnestPaintWindowBorder(WindowPtr pWin, RegionPtr pRegion, int what)
+{
+ xnestConfigureWindow(pWin, CWBorderWidth);
+}
+
+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 */