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<HTML><HEAD><TITLE>Xlib Programming Manual: ConfigureRequest Events</TITLE></HEAD><BODY><H1 ALIGN=center>10.11.2 ConfigureRequest Events</H1><!.IN "Events" "ConfigureRequest"><!.IN "ConfigureRequest" "" "@DEF@">The X server can report<B>ConfigureRequest</B>events to clients wanting information about when a different client initiates a configure window request on any child of a specified window. The configure window request attempts to reconfigure a window's size, position, border, and stacking order.The X server generates this event whenever a different client initiatesa configure window request on a window by calling<B><A HREF="../../window/XConfigureWindow.html">XConfigureWindow()</A></B>,<B><A HREF="../../window/XLowerWindow.html">XLowerWindow()</A></B>,<B><A HREF="../../window/XRaiseWindow.html">XRaiseWindow()</A></B>,<B><A HREF="../../window/XMapRaised.html">XMapRaised()</A></B>,<B><A HREF="../../window/XMoveResizeWindow.html">XMoveResizeWindow()</A></B>,<B><A HREF="../../window/XMoveWindow.html">XMoveWindow()</A></B>,<B><A HREF="../../window/XResizeWindow.html">XResizeWindow()</A></B>,<B><A HREF="../../window/XRestackWindows.html">XRestackWindows()</A></B>,or<B><A HREF="../../window/XSetWindowBorderWidth.html">XSetWindowBorderWidth()</A></B>.<P>To receive<B>ConfigureRequest</B>events, set the<B>SubstructureRedirectMask</B>bit in the <A HREF="../../window/attributes/event-and-do-not-propagate.html">event-mask</A> attribute of the window. <B>ConfigureRequest</B>events are generated when a<B><A HREF="../../appendix/a.html#ConfigureWindow">ConfigureWindow</A></B>protocol request is issued on a child window by another client.For example, suppose a client application calls<B><A HREF="../../window/XLowerWindow.html">XLowerWindow()</A></B>to lower a window.If you had selected<B>SubstructureRedirectMask</B>on the parent window and if the <A HREF="../../window/attributes/override-redirect.html">override-redirect</A> attribute of the window is set to<B>False</B>,the X server reports a<B>ConfigureRequest</B>event to you and does not lower the specified window.<A NAME="XConfigureRequestEvent"></A><P>The structure for this event type contains:<P><!.IN "XConfigureRequestEvent" "" "@DEF@"><PRE><CODE>typedef struct { int type; /* ConfigureRequest */ unsigned long serial; /* # of last request processed by server */ Bool send_event; /* true if this came from a <B><A HREF="../../appendix/a.html#SendEvent">SendEvent</A></B> request */ Display *display; /* Display the event was read from */ Window parent; Window window; int x, y; int width, height; int border_width; Window above; int detail; /* Above, Below, TopIf, BottomIf, Opposite */ unsigned long value_mask;} XConfigureRequestEvent;</PRE></CODE><P>The <B>parent</B> member is set to the parent window.The <B>window</B> member is set to the window whose size, position, border width, and/or stacking order is to be reconfigured.The <B>value_mask</B> member indicates which components were specified in the<B><A HREF="../../appendix/a.html#ConfigureWindow">ConfigureWindow</A></B>protocol request.The corresponding values are reported as given in the request.The remaining values are filled in from the current geometry of the window,except in the case of <B>above</B> (sibling) and <B>detail</B> (stack-mode),which are reported as<B>None</B>and<B>Above</B>,respectively, if they are not given in the request.<H5 ALIGN=right><I>Next: <A HREF="map.html">MapRequest Events</A></I></H5><HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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