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# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
#
# $Id: SGrid.tcl,v 1.6 2002/01/24 09:13:58 idiscovery Exp $
#
# SGrid.tcl --
#
# This file implements Scrolled Grid widgets
#
# Copyright (c) 1993-1999 Ioi Kim Lam.
# Copyright (c) 2000-2001 Tix Project Group.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
global tkPriv
if {![llength [info globals tkPriv]]} {
tk::unsupported::ExposePrivateVariable tkPriv
}
#--------------------------------------------------------------------------
# tkPriv elements used in this file:
#
# x -
# y -
# X -
# Y -
#--------------------------------------------------------------------------
#
tixWidgetClass tixScrolledGrid {
-classname TixScrolledGrid
-superclass tixScrolledWidget
-method {
}
-flag {
}
-configspec {
}
-default {
{.scrollbar auto}
{*grid.borderWidth 1}
{*grid.Background #c3c3c3}
{*grid.highlightBackground #d9d9d9}
{*grid.relief sunken}
{*grid.takeFocus 1}
{*Scrollbar.takeFocus 0}
}
}
proc tixScrolledGrid:ConstructWidget {w} {
upvar #0 $w data
tixChainMethod $w ConstructWidget
set data(w:grid) [tixGrid $w.grid]
set data(w:hsb) \
[scrollbar $w.hsb -orient horizontal -takefocus 0]
set data(w:vsb) \
[scrollbar $w.vsb -orient vertical -takefocus 0]
set data(pw:client) $data(w:grid)
pack $data(w:grid) -expand yes -fill both -padx 0 -pady 0
}
proc tixScrolledGrid:SetBindings {w} {
upvar #0 $w data
tixChainMethod $w SetBindings
$data(w:grid) config \
-xscrollcommand "$data(w:hsb) set"\
-yscrollcommand "$data(w:vsb) set"\
-sizecmd [list tixScrolledWidget:Configure $w] \
-formatcmd "tixCallMethod $w FormatCmd"
$data(w:hsb) config -command "$data(w:grid) xview"
$data(w:vsb) config -command "$data(w:grid) yview"
bindtags $data(w:grid) \
"$data(w:grid) TixSGrid TixGrid [winfo toplevel $data(w:grid)] all"
tixSetMegaWidget $data(w:grid) $w
}
#----------------------------------------------------------------------
# RAW event bindings
#----------------------------------------------------------------------
proc tixScrolledGridBind {} {
tixBind TixScrolledGrid <ButtonPress-1> {
tixScrolledGrid:Button-1 [tixGetMegaWidget %W] %x %y
}
tixBind TixScrolledGrid <Shift-ButtonPress-1> {
tixScrolledGrid:Shift-Button-1 %W %x %y
}
tixBind TixScrolledGrid <Control-ButtonPress-1> {
tixScrolledGrid:Control-Button-1 %W %x %y
}
tixBind TixScrolledGrid <ButtonRelease-1> {
tixScrolledGrid:ButtonRelease-1 %W %x %y
}
tixBind TixScrolledGrid <Double-ButtonPress-1> {
tixScrolledGrid:Double-1 %W %x %y
}
tixBind TixScrolledGrid <B1-Motion> {
set tkPriv(x) %x
set tkPriv(y) %y
set tkPriv(X) %X
set tkPriv(Y) %Y
tixScrolledGrid:B1-Motion %W %x %y
}
tixBind TixScrolledGrid <Control-B1-Motion> {
set tkPriv(x) %x
set tkPriv(y) %y
set tkPriv(X) %X
set tkPriv(Y) %Y
tixScrolledGrid:Control-B1-Motion %W %x %y
}
tixBind TixScrolledGrid <B1-Leave> {
set tkPriv(x) %x
set tkPriv(y) %y
set tkPriv(X) %X
set tkPriv(Y) %Y
tixScrolledGrid:B1-Leave %W
}
tixBind TixScrolledGrid <B1-Enter> {
tixScrolledGrid:B1-Enter %W %x %y
}
tixBind TixScrolledGrid <Control-B1-Leave> {
set tkPriv(x) %x
set tkPriv(y) %y
set tkPriv(X) %X
set tkPriv(Y) %Y
tixScrolledGrid:Control-B1-Leave %W
}
tixBind TixScrolledGrid <Control-B1-Enter> {
tixScrolledGrid:Control-B1-Enter %W %x %y
}
# Keyboard bindings
#
tixBind TixScrolledGrid <Up> {
tixScrolledGrid:DirKey %W up
}
tixBind TixScrolledGrid <Down> {
tixScrolledGrid:DirKey %W down
}
tixBind TixScrolledGrid <Left> {
tixScrolledGrid:DirKey %W left
}
tixBind TixScrolledGrid <Right> {
tixScrolledGrid:DirKey %W right
}
tixBind TixScrolledGrid <Prior> {
%W yview scroll -1 pages
}
tixBind TixScrolledGrid <Next> {
%W yview scroll 1 pages
}
tixBind TixScrolledGrid <Return> {
tixScrolledGrid:Return %W
}
tixBind TixScrolledGrid <space> {
tixScrolledGrid:Space %W
}
}
#----------------------------------------------------------------------
#
#
# Mouse bindings
#
#
#----------------------------------------------------------------------
proc tixScrolledGrid:Button-1 {w x y} {
if {[$w cget -state] == "disabled"} {
return
}
if {[$w cget -takefocus]} {
focus $w
}
case [tixScrolled:GetState $w] {
{0} {
tixScrolledGrid:GoState s1 $w $x $y
}
{b0} {
tixScrolledGrid:GoState b1 $w $x $y
}
{m0} {
tixScrolledGrid:GoState m1 $w $x $y
}
{e0} {
tixScrolledGrid:GoState e1 $w $x $y
}
}
}
#----------------------------------------------------------------------
#
# option configs
#----------------------------------------------------------------------
#----------------------------------------------------------------------
#
# Widget commands
#----------------------------------------------------------------------
#----------------------------------------------------------------------
#
# Private Methods
#----------------------------------------------------------------------
#----------------------------------------------------------------------
# Virtual Methods
#----------------------------------------------------------------------
proc tixScrolledGrid:FormatCmd {w area x1 y1 x2 y2} {
# do nothing
}
#----------------------------------------------------------------------
# virtual functions to query the client window's scroll requirement
#----------------------------------------------------------------------
proc tixScrolledGrid:GeometryInfo {w mW mH} {
upvar #0 $w data
if {$mW < 1} {
set mW 1
}
if {$mH < 1} {
set mH 1
}
return [$data(w:grid) geometryinfo $mW $mH]
}