68 lines
2.3 KiB
Groff
68 lines
2.3 KiB
Groff
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'\"
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'\" Copyright (c) 1990-1994 The Regents of the University of California.
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'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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'\" SCCS: @(#) SetGrid.3 1.11 96/08/27 13:21:33
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'\"
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.so man.macros
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.TH Tk_SetGrid 3 4.0 Tk "Tk Library Procedures"
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.BS
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.SH NAME
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Tk_SetGrid, Tk_UnsetGrid \- control the grid for interactive resizing
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.SH SYNOPSIS
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.nf
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\fB#include <tk.h>\fR
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.sp
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\fBTk_SetGrid\fR(\fItkwin, reqWidth, reqHeight, widthInc, heightInc\fR)
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.sp
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\fBTk_UnsetGrid\fR(\fItkwin\fR)
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.SH ARGUMENTS
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.AS Tk_Window heightInc
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.AP Tk_Window tkwin in
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Token for window.
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.AP int reqWidth in
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Width in grid units that corresponds to the pixel dimension \fItkwin\fR
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has requested via \fBTk_GeometryRequest\fR.
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.AP int reqHeight in
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Height in grid units that corresponds to the pixel dimension \fItkwin\fR
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has requested via \fBTk_GeometryRequest\fR.
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.AP int widthInc in
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Width of one grid unit, in pixels.
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.AP int heightInc in
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Height of one grid unit, in pixels.
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.BE
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.SH DESCRIPTION
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.PP
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\fBTk_SetGrid\fR turns on gridded geometry management for \fItkwin\fR's
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toplevel window and specifies the geometry of the grid.
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\fBTk_SetGrid\fR is typically invoked by a widget when its \fBsetGrid\fR
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option is true.
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It restricts interactive resizing of \fItkwin\fR's toplevel window so
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that the space allocated to the toplevel is equal to its requested
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size plus or minus even multiples of \fIwidthInc\fR and \fIheightInc\fR.
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Furthermore, the \fIreqWidth\fR and \fIreqHeight\fR values are
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passed to the window manager so that it can report the window's
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size in grid units during interactive resizes.
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If \fItkwin\fR's configuration changes (e.g., the size of a grid unit
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changes) then the widget should invoke \fBTk_SetGrid\fR again with the new
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information.
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.PP
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\fBTk_UnsetGrid\fR cancels gridded geometry management for
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\fItkwin\fR's toplevel window.
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.PP
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For each toplevel window there can be at most one internal window
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with gridding enabled.
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If \fBTk_SetGrid\fR or \fBTk_UnsetGrid\fR is invoked when some
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other window is already controlling gridding for \fItkwin\fR's
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toplevel, the calls for the new window have no effect.
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.PP
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See the \fBwm\fR manual entry for additional information on gridded geometry
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management.
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.SH KEYWORDS
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grid, window, window manager
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