📄 xgetgeometry.html
字号:
<HTML><HEAD><TITLE>Xlib Programming Manual: XGetGeometry</TITLE></HEAD><BODY><H1 ALIGN=center>XGetGeometry</H1><H2>Syntax</H2><!.IN "XGetGeometry" "" "@DEF@"><CODE><PRE><A HREF="../introduction/errors.html#Status">Status</A> XGetGeometry(<B>display</B>, <B>d</B>, <B>root_return</B>, <B>x_return</B>, <B>y_return</B>, <B>width_return</B>, <B>height_return</B>, <B>border_width_return</B>, <B>depth_return</B>) <A HREF="../display/opening.html#Display">Display</A> *<B>display</B>; Drawable <B>d</B>; Window *<B>root_return</B>; int *<B>x_return</B>, *<B>y_return</B>; unsigned int *<B>width_return</B>, *<B>height_return</B>; unsigned int *<B>border_width_return</B>; unsigned int *<B>depth_return</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>display</B><TD> Specifies the connection to the X server.<TR><TD> <B>d</B><TD> Specifies the drawable, which can be a window or a pixmap. <TR><TD> <B>root_return</B><TD> Returns the root window.<TR><TD> <B>x_return</B><BR><B>y_return</B><TD> Return the x and y coordinates that define the location of the drawable.For a window, these coordinates specify the upper-left outer corner relative toits parent's origin.For pixmaps, these coordinates are always zero.<TR><TD> <B>width_return</B><BR><B>height_return</B><TD> Return the drawable's dimensions (width and height).For a window, these dimensions specify the inside size, not including the border.<TR><TD> <B>border_width_return</B><TD> Returns the border width in pixels. If the drawable is a pixmap, it returns zero.<TR><TD> <B>depth_return</B><TD> Returns the depth of the drawable (bits per pixel for the object).</TABLE><H2>Description</H2>The<B>XGetGeometry()</B>function returns the root window and the current geometry of the drawable.The geometry of the drawable includes the x and y coordinates, width and height,border width, and depth.These are described in the argument list.It is legal to pass to this function a window whose class is<B><A HREF="../window/create.html#InputClass">InputOnly</A></B>.<P><B>XGetGeometry()</B>can generate a<B>BadDrawable</B>error.<H2>Diagnostics</H2><TABLE><TR><TD><B>BadDrawable</B><TD>A value for a Drawable argument does not name a defined Window or Pixmap.</TABLE><H2>See also</H2><B><A HREF="XGetWindowAttributes.html">XGetWindowAttributes()</A></B>,<B><A HREF="XQueryPointer.html">XQueryPointer()</A></B>,<B><A HREF="XQueryTree.html">XQueryTree()</A></B>,"<A HREF="obtain.html">Obtaining Window Information</A>"<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
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -