Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x

Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498

1 files changed, 142 insertions, 0 deletions

diff --git a/nx-X11/lib/src/ReconfWM.c b/nx-X11/lib/src/ReconfWM.c
new file mode 100644
index 000000000..b3d8624cf
--- /dev/null
+++ b/nx-X11/lib/src/ReconfWM.c
@@ -0,0 +1,142 @@
+/*
+
+Copyright 1986, 1998  The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+#define AllMaskBits (CWX|CWY|CWWidth|CWHeight|\
+                     CWBorderWidth|CWSibling|CWStackMode)
+
+Status XReconfigureWMWindow (
+    register Display *dpy,
+    Window w,
+    int screen,
+    unsigned int mask,
+    XWindowChanges *changes)
+{
+    Window root = RootWindow (dpy, screen);
+    _XAsyncHandler async;
+    _XAsyncErrorState async_state;
+
+    /*
+     * Only need to go through the trouble if we are actually changing the
+     * stacking mode.
+     */
+    if (!(mask & CWStackMode)) {
+	XConfigureWindow (dpy, w, mask, changes);
+	return True;
+    }
+
+
+    /*
+     * We need to inline XConfigureWindow and XSync so that everything is done
+     * while the display is locked.
+     */
+
+    LockDisplay(dpy);
+
+    /*
+     * XConfigureWindow (dpy, w, mask, changes);
+     */
+    {
+	unsigned long values[7];
+	register unsigned long *value = values;
+	long nvalues;
+	register xConfigureWindowReq *req;
+
+	GetReq(ConfigureWindow, req);
+
+	async_state.min_sequence_number = dpy->request;
+	async_state.max_sequence_number = dpy->request;
+	async_state.error_code = BadMatch;
+	async_state.major_opcode = X_ConfigureWindow;
+	async_state.minor_opcode = 0;
+	async_state.error_count = 0;
+	async.next = dpy->async_handlers;
+	async.handler = _XAsyncErrorHandler;
+	async.data = (XPointer)&async_state;
+	dpy->async_handlers = &async;
+
+	req->window = w;
+	mask &= AllMaskBits;
+	req->mask = mask;
+
+	if (mask & CWX) *value++ = changes->x;
+	if (mask & CWY) *value++ = changes->y;
+	if (mask & CWWidth) *value++ = changes->width;
+	if (mask & CWHeight) *value++ = changes->height;
+	if (mask & CWBorderWidth) *value++ = changes->border_width;
+	if (mask & CWSibling) *value++ = changes->sibling;
+	if (mask & CWStackMode) *value++ = changes->stack_mode;
+	req->length += (nvalues = value - values);
+	nvalues <<= 2;			/* watch out for macros... */
+	Data32 (dpy, (long *) values, nvalues);
+    }
+
+    /*
+     * XSync (dpy, 0)
+     */
+    {
+	xGetInputFocusReply rep;
+	_X_UNUSED register xReq *req;
+
+	GetEmptyReq(GetInputFocus, req);
+	(void) _XReply (dpy, (xReply *)&rep, 0, xTrue);
+    }
+
+    DeqAsyncHandler(dpy, &async);
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+
+    /*
+     * If the request succeeded, then everything is okay; otherwise, send event
+     */
+    if (!async_state.error_count)
+        return True;
+    else {
+        XConfigureRequestEvent ev = {
+            .type		= ConfigureRequest,
+            .window		= w,
+            .parent		= root,
+            .value_mask		= (mask & AllMaskBits),
+            .x			= changes->x,
+            .y			= changes->y,
+            .width		= changes->width,
+            .height		= changes->height,
+            .border_width	= changes->border_width,
+            .above		= changes->sibling,
+            .detail		= changes->stack_mode,
+        };
+        return (XSendEvent (dpy, root, False,
+                            SubstructureRedirectMask|SubstructureNotifyMask,
+                            (XEvent *)&ev));
+    }
+}