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<HTML><HEAD><TITLE>Xlib Programming Manual: Events: ConfigureNotify</TITLE></HEAD><BODY><H1 ALIGN=center>10.10.2 ConfigureNotify</H1>The X server can report<B>ConfigureNotify</B>events to clients wanting information about actual changes to a window'sstate, such as size, position, border, and stacking order.The X server generates this event type whenever one of the following configure window requests made by a client application actually completes:<UL><LI> A window's size, position, border, and/or stacking order is reconfigured by calling<B><A HREF="../../window/XConfigureWindow.html">XConfigureWindow()</A></B>.<LI>The window's position in the stacking order is changed by calling<B><A HREF="../../window/XLowerWindow.html">XLowerWindow()</A></B>,<B><A HREF="../../window/XRaiseWindow.html">XRaiseWindow()</A></B>,or<B><A HREF="../../window/XRestackWindows.html">XRestackWindows()</A></B>.<LI>A window is moved by calling<B><A HREF="../../window/XMoveWindow.html">XMoveWindow()</A></B>.<LI>A window's size is changed by calling<B><A HREF="../../window/XResizeWindow.html">XResizeWindow()</A></B>.<LI>A window's size and location is changed by calling<B><A HREF="../../window/XMoveResizeWindow.html">XMoveResizeWindow()</A></B>.<LI>A window is mapped and its position in the stacking order is changedby calling<B><A HREF="../../window/XMapRaised.html">XMapRaised()</A></B>.<LI>A window's border width is changed by calling<B><A HREF="../../window/XSetWindowBorderWidth.html">XSetWindowBorderWidth()</A></B>.</UL><P>To receive <B>ConfigureNotify</B>events, set the<B>StructureNotifyMask</B>bit in the event-mask attribute of the window or the<B>SubstructureNotifyMask</B>bit in the <A HREF="../../window/attributes/event-and-do-not-propagate.html">event-mask</A> attribute of the parent window(in which case, configuring any child generates an event).<A NAME="XConfigureEvent"></A><P>The structure for this event type contains:<P><PRE><CODE>typedef struct { int <B>type</B>; /* ConfigureNotify */ unsigned long <B>serial</B>; /* # of last request processed by server */ Bool <B>send_event</B>; /* true if this came from a <B><A HREF="../../appendix/a.html#SendEvent">SendEvent</A></B> request */ Display *<B>display</B>; /* Display the event was read from */ Window <B>event</B>; Window <B>window</B>; int <B>x</B>, <B>y</B>; int <B>width</B>, <B>height</B>; int <B>border_width</B>; Window <B>above</B>; Bool <B>override_redirect</B>;} XConfigureEvent;</CODE></PRE><P>The <B>event</B> member is set either to the reconfigured window or to its parent,depending on whether<B>StructureNotify</B>or<B>SubstructureNotify</B>was selected.The <B>window</B> member is set to the window whose size, position, border, and/or stackingorder was changed.<P>The <B>x</B> and <B>y</B> members are set to the coordinates relative to the parent window's origin and indicate the position of the upper-left outside corner of the window.The <B>width</B> and <B>height</B> members are set to the inside size of the window, not includingthe border.The <B>border_width</B> member is set to the width of the window's border, in pixels.<P>The <B>above</B> member is set to the sibling window and is used for stacking operations.If the X server sets this member to<B>None</B> ,the window whose state was changed is on the bottom of the stackwith respect to sibling windows.However, if this member is set to a sibling window, the window whose state was changed is placed on top of this sibling window.<P>The <B>override_redirect</B> member is set to the <A HREF="../../window/attributes/override-redirect.html">override-redirect</A> attribute of thewindow.Window manager clients normally should ignore this window if the override_redirect memberis<B>True</B>.<H5 ALIGN=right><I>Next: <A HREF="create.html">CreateNotify 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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