225 lines
No EOL
4.7 KiB
HTML
225 lines
No EOL
4.7 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>Other Root Window Messages</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.72
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"><LINK
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REL="HOME"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Root Window Properties (+Related Messages)"
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HREF="x107.html"><LINK
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REL="NEXT"
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TITLE="Application Window Properties"
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HREF="x225.html"></HEAD
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>Prev</A
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><DIV
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CLASS="SECT1"
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN208"
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>4. Other Root Window Messages</A
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></H1
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN210"
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>4.1. _NET_CLOSE_WINDOW</A
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></H2
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><PRE
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CLASS="PROGRAMLISTING"
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>_NET_CLOSE_WINDOW</PRE
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><P
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> Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW client
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message request to the root window:
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</P
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><PRE
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CLASS="PROGRAMLISTING"
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>_NET_CLOSE_WINDOW
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window = window to close
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message_type = _NET_CLOSE_WINDOW
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format = 32
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data.l[0] = 0 /* may be used later */</PRE
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><P
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>The Window Manager MUST then attempt to close the window specified.
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</P
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><P
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> Rationale: A Window Manager might be more clever than the usual method (send WM_DELETE message if the protocol is selected, XKillClient otherwise). It might introduce a timeout, for example. Instead of duplicating the code, the Window Manager can easily do the job.
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</P
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></DIV
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><DIV
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CLASS="SECT2"
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><H2
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CLASS="SECT2"
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><A
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NAME="AEN217"
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>4.2. _NET_WM_MOVERESIZE</A
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></H2
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><PRE
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CLASS="PROGRAMLISTING"
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>_NET_WM_MOVERESIZE
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window = window to be moved or resized
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message_type = _NET_WM_MOVERESIZE
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format = 32
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data.l[0] = x_root
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data.l[1] = y_root
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data.l[2] = direction
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data.l[3] = button</PRE
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><P
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> This message allows an application to initiate window movement or
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resizing. This allows the application to define its own move and size
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"grips", whilst letting the window manager control the actual operation.
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This means that all moves/resizes can happen in a consistent manner as
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defined by the WM.
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</P
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><P
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> When sending this message in response to a button press event, button
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SHOULD indicate the button which was pressed, x_root and y_root MUST
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indicate the position of the button press with respect to the root
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window and direction MUST indicate whether this is a move or resize
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event, and if it is a resize event, which edges of the window the size
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grip applies to. When sending this message in response to a key event,
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the direction MUST indicate wether this this is a move or resize event
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and the other fields are unused.
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</P
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><PRE
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CLASS="PROGRAMLISTING"
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>#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
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#define _NET_WM_MOVERESIZE_SIZE_TOP 1
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#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
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#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
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#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
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#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
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#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
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#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
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#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
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#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
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#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */</PRE
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><P
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> The Client MUST release all grabs prior to sending such message.
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</P
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><P
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> The Window Manager can use the button field to determine the
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events on which it terminates the operation initiated by the
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_NET_WM_MOVERESIZE message. Since there is a race condition between
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client sending the _NET_WM_MOVERESIZE message and the user releasing
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the button, Window Managers are advised to offer some other means to
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terminate the operation, e.g. by pressing the ESC key.
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</P
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></DIV
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></DIV
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>Prev</A
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>Home</A
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>Next</A
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WIDTH="33%"
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>Root Window Properties (+Related Messages)</TD
|
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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WIDTH="33%"
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VALIGN="top"
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>Application Window Properties</TD
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> |