Tk_ResizeWindow(3)
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NAME
Tk_ConfigureWindow, Tk_MoveWindow, Tk_ResizeWindow, Tk_MoveResizeWin-
dow, Tk_SetWindowBorderWidth, Tk_ChangeWindowAttributes, Tk_SetWindow-
Background, Tk_SetWindowBackgroundPixmap, Tk_SetWindowBorder,
Tk_SetWindowBorderPixmap, Tk_SetWindowColormap, Tk_DefineCursor,
Tk_UndefineCursor - change window configuration or attributes
SYNOPSIS
#include <tk.h>
Tk_ConfigureWindow(tkwin, valueMask, valuePtr)
Tk_MoveWindow(tkwin, x, y)
Tk_ResizeWindow(tkwin, width, height)
Tk_MoveResizeWindow(tkwin, x, y, width, height)
Tk_SetWindowBorderWidth(tkwin, borderWidth)
Tk_ChangeWindowAttributes(tkwin, valueMask, attsPtr)
Tk_SetWindowBackground(tkwin, pixel)
Tk_SetWindowBackgroundPixmap(tkwin, pixmap)
Tk_SetWindowBorder(tkwin, pixel)
Tk_SetWindowBorderPixmap(tkwin, pixmap)
Tk_SetWindowColormap(tkwin, colormap)
Tk_DefineCursor(tkwin, cursor)
Tk_UndefineCursor(tkwin)
ARGUMENTS
Tk_Window tkwin (in) Token for window.
unsigned int valueMask (in) OR-ed mask of values
like CWX or CWBorder-
Pixel, indicating which
fields of *valuePtr or
*attsPtr to use.
XWindowChanges *valuePtr (in) Points to a structure
containing new values
for the configuration
parameters selected by
valueMask. Fields not
selected by valueMask
are ignored.
int x (in) New x-coordinate for
tkwin's top left pixel
(including border, if
any) within tkwin's par-
ent.
int y (in) New y-coordinate for
tkwin's top left pixel
(including border, if
any) within tkwin's par-
ent.
int width (in) New width for tkwin
(interior, not including
border).
int height (in) New height for tkwin
(interior, not including
border).
int borderWidth (in) New width for tkwin's
border.
XSetWindowAttributes *attsPtr (in) Points to a structure
containing new values
for the attributes given
by the valueMask argu-
ment. Attributes not
selected by valueMask
are ignored.
unsigned long pixel (in) New background or border
color for window.
Pixmap pixmap (in) New pixmap to use for
background or border of
tkwin. WARNING: cannot
necessarily be deleted
immediately, as for Xlib
calls. See note below.
Colormap colormap (in) New colormap to use for
tkwin.
Tk_Cursor cursor (in) New cursor to use for
tkwin. If None is spec-
ified, then tkwin will
not have its own cursor;
it will use the cursor
of its parent.
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DESCRIPTION
These procedures are analogous to the X library procedures with similar
names, such as XConfigureWindow. Each one of the above procedures
calls the corresponding X procedure and also saves the configuration
information in Tk's local structure for the window. This allows the
information to be retrieved quickly by the application (using macros
such as Tk_X and Tk_Height) without having to contact the X server. In
addition, if no X window has actually been created for tkwin yet, these
procedures do not issue X operations or cause event handlers to be
invoked; they save the information in Tk's local structure for the
window; when the window is created later, the saved information will
be used to configure the window.
See the X library documentation for details on what these procedures do
and how they use their arguments.
In the procedures Tk_ConfigureWindow, Tk_MoveWindow, Tk_ResizeWindow,
Tk_MoveResizeWindow, and Tk_SetWindowBorderWidth, if tkwin is an inter-
nal window then event handlers interested in configure events are
invoked immediately, before the procedure returns. If tkwin is a top-
level window then the event handlers will be invoked later, after X has
seen the request and returned an event for it.
Applications using Tk should never call procedures like XConfigureWin-
dow directly; they should always use the corresponding Tk procedures.
The size and location of a window should only be modified by the appro-
priate geometry manager for that window and never by a window itself
(but see Tk_MoveToplevelWindow for moving a top-level window).
You may not use Tk_ConfigureWindow to change the stacking order of a
window (valueMask may not contain the CWSibling or CWStackMode bits).
To change the stacking order, use the procedure Tk_RestackWindow.
The procedure Tk_SetWindowColormap will automatically add tkwin to the
TK_COLORMAP_WINDOWS property of its nearest top-level ancestor if the
new colormap is different from that of tkwin's parent and tkwin isn't
already in the TK_COLORMAP_WINDOWS property.
BUGS
Tk_SetWindowBackgroundPixmap and Tk_SetWindowBorderPixmap differ
slightly from their Xlib counterparts in that the pixmap argument may
not necessarily be deleted immediately after calling one of these pro-
cedures. This is because tkwin's window may not exist yet at the time
of the call, in which case pixmap is merely saved and used later when
tkwin's window is actually created. If you wish to delete pixmap, then
call Tk_MakeWindowExist first to be sure that tkwin's window exists and
pixmap has been passed to the X server.
A similar problem occurs for the cursor argument passed to
Tk_DefineCursor. The solution is the same as for pixmaps above: call
Tk_MakeWindowExist before freeing the cursor.
SEE ALSO
Tk_MoveToplevelWindow, Tk_RestackWindow
KEYWORDS
attributes, border, color, configure, height, pixel, pixmap, width,
window, x, y
Tk 4.0 Tk_ConfigureWindow(3)
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