1215 lines
28 KiB
Tcl
1215 lines
28 KiB
Tcl
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*-
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#
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# $Id: PanedWin.tcl,v 1.7 2004/03/28 02:44:57 hobbs Exp $
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#
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# PanedWin.tcl --
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#
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# This file implements the TixPanedWindow widget
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#
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# Copyright (c) 1993-1999 Ioi Kim Lam.
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# Copyright (c) 2000-2001 Tix Project Group.
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# Copyright (c) 2004 ActiveState
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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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tixWidgetClass tixPanedWindow {
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-classname TixPanedWindow
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-superclass tixPrimitive
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-method {
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add delete forget manage panecget paneconfigure panes setsize
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}
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-flag {
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-command -dynamicgeometry -handleactivebg -handlebg -orient
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-orientation -panebd -paneborderwidth -panerelief
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-separatoractivebg -separatorbg
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}
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-static {
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-orientation
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}
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-configspec {
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{-command command Command ""}
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{-dynamicgeometry dynamicGeometry DynamicGeometry 1 tixVerifyBoolean}
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{-handleactivebg handleActiveBg HandleActiveBg #ececec}
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{-handlebg handleBg Background #d9d9d9}
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{-orientation orientation Orientation vertical}
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{-paneborderwidth paneBorderWidth PaneBorderWidth 1}
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{-panerelief paneRelief PaneRelief raised}
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{-separatoractivebg separatorActiveBg SeparatorActiveBg red}
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{-separatorbg separatorBg Background #d9d9d9}
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}
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-alias {
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{-panebd -paneborderwidth}
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{-orient -orientation}
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}
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}
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#----------------------------------------------------------------------
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# ClassInitialization:
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#----------------------------------------------------------------------
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proc tixPanedWindow:InitWidgetRec {w} {
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upvar #0 $w data
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tixChainMethod $w InitWidgetRec
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set data(items) ""
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set data(nItems) 0
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set data(totalsize) 0
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set data(movePending) 0
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set data(repack) 0
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set data(counter) 0
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set data(maxReqW) 1
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set data(maxReqH) 1
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}
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proc tixPanedWindow:ConstructWidget {w} {
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upvar #0 $w data
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tixChainMethod $w ConstructWidget
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# Do nothing
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}
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proc tixPanedWindow:SetBindings {w} {
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upvar #0 $w data
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tixChainMethod $w SetBindings
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bind $w <Configure> [list tixPanedWindow:MasterGeomProc $w ""]
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}
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#----------------------------------------------------------------------
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# ConfigOptions:
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#----------------------------------------------------------------------
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proc tixPanedWindow:config-handlebg {w arg} {
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upvar #0 $w data
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for {set i 1} {$i < $data(nItems)} {incr i} {
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$data(btn,$i) config -bg $arg
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}
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}
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#----------------------------------------------------------------------
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# PublicMethods:
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#----------------------------------------------------------------------
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# method: add
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#
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# Adds a new pane into the PanedWindow.
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#
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# options -size -max -min -allowresize
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#
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proc tixPanedWindow:add {w name args} {
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upvar #0 $w data
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if {[winfo exists $w.$name] && !$data($name,forgotten)} {
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error "Pane $name is already managed"
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}
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# Step 1: Parse the options to get the children's size options
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# The default values
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#
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if {[info exists data($name,forgotten)]} {
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set option(-size) $data($name,size)
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set option(-min) $data($name,min)
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set option(-max) $data($name,max)
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set option(-allowresize) $data($name,allowresize)
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set option(-expand) $data($name,expand)
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} else {
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set option(-size) 0
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set option(-min) 0
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set option(-max) 100000
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set option(-allowresize) 1
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set option(-expand) 0
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}
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set option(-before) ""
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set option(-after) ""
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set option(-at) ""
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set validOpts {-after -allowresize -at -before -expand -max -min -size}
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tixHandleOptions option $validOpts $args
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set data($name,size) $option(-size)
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set data($name,rsize) $option(-size)
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set data($name,min) $option(-min)
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set data($name,max) $option(-max)
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set data($name,allowresize) $option(-allowresize)
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set data($name,expand) $option(-expand)
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set data($name,forgotten) 0
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if {$data($name,expand) < 0} {
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set data($name,expand) 0
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}
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# Step 2: Add the frame and the separator (if necessary)
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#
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if {![winfo exist $w.$name]} {
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# need to check because the frame may have been "forget'ten"
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#
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frame $w.$name -bd $data(-paneborderwidth) -relief $data(-panerelief)
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}
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if {$option(-at) != ""} {
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set at [tixGetInt $option(-at)]
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if {$at < 0} {
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set at 0
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}
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} elseif {$option(-after) != ""} {
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set index [lsearch -exact $data(items) $option(-after)]
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if {$index == -1} {
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error "Pane $option(-after) doesn't exists"
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} else {
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set at [incr index]
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}
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} elseif {$option(-before) != ""} {
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set index [lsearch -exact $data(items) $option(-before)]
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if {$index == -1} {
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error "Pane $option(-before) doesn't exists"
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}
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set at $index
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} else {
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set at end
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}
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set data(items) [linsert $data(items) $at $name]
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incr data(nItems)
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if {$data(nItems) > 1} {
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tixPanedWindow:AddSeparator $w
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}
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set data(w:$name) $w.$name
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# Step 3: Add the new frame. Adjust the window later (do when idle)
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#
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tixManageGeometry $w.$name [list tixPanedWindow:ClientGeomProc $w]
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bind $w.$name <Configure> \
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[list tixPanedWindow:ClientGeomProc $w "" $w.$name]
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tixPanedWindow:RepackWhenIdle $w
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return $w.$name
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}
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proc tixPanedWindow:manage {w name args} {
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upvar #0 $w data
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if {![winfo exists $w.$name]} {
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error "Pane $name does not exist"
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}
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if {!$data($name,forgotten)} {
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error "Pane $name is already managed"
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}
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tixMapWindow $data(w:$name)
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eval tixPanedWindow:add $w [list $name] $args
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}
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proc tixPanedWindow:forget {w name} {
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upvar #0 $w data
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if {![winfo exists $w.$name]} {
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error "Pane $name does not exist"
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}
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if $data($name,forgotten) {
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# It has already been forgotten
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#
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return
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}
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set items ""
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foreach item $data(items) {
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if {$item != $name} {
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lappend items $item
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}
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}
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set data(items) $items
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incr data(nItems) -1
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set i $data(nItems)
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if {$i > 0} {
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destroy $data(btn,$i)
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destroy $data(sep,$i)
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unset data(btn,$i)
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unset data(sep,$i)
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}
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set data($name,forgotten) 1
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tixUnmapWindow $w.$name
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tixPanedWindow:RepackWhenIdle $w
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}
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proc tixPanedWindow:delete {w name} {
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upvar #0 $w data
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if {![winfo exists $w.$name]} {
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error "Pane $name does not exist"
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}
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if {!$data($name,forgotten)} {
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set items ""
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foreach item $data(items) {
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if {$item != $name} {
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lappend items $item
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}
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}
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set data(items) $items
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incr data(nItems) -1
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set i $data(nItems)
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if {$i > 0} {
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destroy $data(btn,$i)
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destroy $data(sep,$i)
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unset data(btn,$i)
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unset data(sep,$i)
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}
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}
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unset data($name,allowresize)
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unset data($name,expand)
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unset data($name,forgotten)
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unset data($name,max)
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unset data($name,min)
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unset data($name,rsize)
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unset data($name,size)
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unset data(w:$name)
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destroy $w.$name
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tixPanedWindow:RepackWhenIdle $w
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}
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proc tixPanedWindow:paneconfigure {w name args} {
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upvar #0 $w data
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if {![info exists data($name,size)]} {
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error "pane \"$name\" does not exist in $w"
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}
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set len [llength $args]
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if {$len == 0} {
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set value [$data(w:$name) configure]
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lappend value [list -allowresize "" "" "" $data($name,allowresize)]
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lappend value [list -expand "" "" "" $data($name,expand)]
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lappend value [list -max "" "" "" $data($name,max)]
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lappend value [list -min "" "" "" $data($name,min)]
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lappend value [list -size "" "" "" $data($name,size)]
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return $value
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}
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if {$len == 1} {
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case [lindex $args 0] {
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-allowresize {
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return [list -allowresize "" "" "" $data($name,allowresize)]
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}
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-expand {
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return [list -expand "" "" "" $data($name,expand)]
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}
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-min {
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return [list -min "" "" "" $data($name,min)]
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}
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-max {
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return [list -max "" "" "" $data($name,max)]
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}
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-size {
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return [list -size "" "" "" $data($name,size)]
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}
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default {
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return [$data(w:$name) configure [lindex $args 0]]
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}
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}
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}
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# By default handle each of the options
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#
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set option(-allowresize) $data($name,allowresize)
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set option(-expand) $data($name,expand)
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set option(-min) $data($name,min)
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set option(-max) $data($name,max)
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set option(-size) $data($name,size)
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tixHandleOptions -nounknown option {-allowresize -expand -max -min -size} \
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$args
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#
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# the widget options
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set new_args ""
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foreach {flag value} $args {
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case $flag {
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{-expand -min -max -allowresize -size} {
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}
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default {
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lappend new_args $flag
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lappend new_args $value
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}
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}
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}
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if {[llength $new_args] >= 2} {
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eval $data(w:$name) configure $new_args
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}
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#
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# The add-on options
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set data($name,allowresize) $option(-allowresize)
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set data($name,expand) $option(-expand)
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set data($name,max) $option(-max)
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set data($name,min) $option(-min)
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set data($name,rsize) $option(-size)
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set data($name,size) $option(-size)
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#
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# Integrity check
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if {$data($name,expand) < 0} {
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set data($name,expand) 0
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}
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if {$data($name,size) < $data($name,min)} {
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set data($name,size) $data($name,min)
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}
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if {$data($name,size) > $data($name,max)} {
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set data($name,size) $data($name,max)
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}
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tixPanedWindow:RepackWhenIdle $w
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return ""
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}
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proc tixPanedWindow:panecget {w name option} {
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upvar #0 $w data
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if {![info exists data($name,size)]} {
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error "pane \"$name\" does not exist in $w"
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}
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case $option {
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{-min -max -allowresize -size} {
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regsub \\\- $option "" option
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return "$data($name,$option)"
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}
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default {
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return [$data(w:$name) cget $option]
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}
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}
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}
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# return the name of all panes
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proc tixPanedWindow:panes {w} {
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upvar #0 $w data
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return $data(items)
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}
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# set the size of a pane, specifying which direction it should
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# grow/shrink
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proc tixPanedWindow:setsize {w item size {direction next}} {
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upvar #0 $w data
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set posn [lsearch $data(items) $item]
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if {$posn == -1} {
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error "pane \"$item\" does not exist"
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}
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set diff [expr {$size - $data($item,size)}]
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if {$diff == 0} {
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return
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}
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if {$posn == 0 && $direction eq "prev"} {
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set direction next
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}
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if {$posn == $data(nItems)-1 && $direction eq "next"} {
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set direction prev
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}
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if {$data(-orientation) eq "vertical"} {
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set rx [winfo rooty $data(w:$item)]
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} else {
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set rx [winfo rootx $data(w:$item)]
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}
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if {$direction eq "prev"} {
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set rx [expr {$rx - $diff}]
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} elseif {$data(-orientation) eq "vertical"} {
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set rx [expr {$rx + [winfo height $data(w:$item)] + $diff}]
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incr posn
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} else {
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set rx [expr {$rx + [winfo width $data(w:$item)] + $diff}]
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incr posn
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}
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# Set up the panedwin in a proper state
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#
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tixPanedWindow:BtnDown $w $posn 1
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tixPanedWindow:BtnMove $w $posn $rx 1
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tixPanedWindow:BtnUp $w $posn 1
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return $data(items)
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}
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#----------------------------------------------------------------------
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# PrivateMethods:
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#----------------------------------------------------------------------
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proc tixPanedWindow:AddSeparator {w} {
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global tcl_platform
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upvar #0 $w data
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set n [expr {$data(nItems)-1}]
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# CYGNUS: On Windows, use relief ridge and a thicker line.
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if {$tcl_platform(platform) eq "windows"} then {
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set relief "ridge"
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set thickness 4
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} else {
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set relief "sunken"
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set thickness 2
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}
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if {$data(-orientation) eq "vertical"} {
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set data(sep,$n) [frame $w.sep$n -relief $relief \
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-bd 1 -height $thickness -width 10000 -bg $data(-separatorbg)]
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} else {
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set data(sep,$n) [frame $w.sep$n -relief $relief \
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-bd 1 -width $thickness -height 10000 -bg $data(-separatorbg)]
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}
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set data(btn,$n) [frame $w.btn$n -relief raised \
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-bd 1 -width 9 -height 9 \
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-bg $data(-handlebg)]
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if {$data(-orientation) eq "vertical"} {
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set cursor sb_v_double_arrow
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} else {
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set cursor sb_h_double_arrow
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}
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$data(sep,$n) config -cursor $cursor
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$data(btn,$n) config -cursor $cursor
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foreach wid [list $data(btn,$n) $data(sep,$n)] {
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bind $wid \
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<ButtonPress-1> [list tixPanedWindow:BtnDown $w $n]
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bind $wid \
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<ButtonRelease-1> [list tixPanedWindow:BtnUp $w $n]
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bind $wid \
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<Any-Enter> [list tixPanedWindow:HighlightBtn $w $n]
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bind $wid \
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<Any-Leave> [list tixPanedWindow:DeHighlightBtn $w $n]
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}
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if {$data(-orientation) eq "vertical"} {
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bind $data(btn,$n) <B1-Motion> [list tixPanedWindow:BtnMove $w $n %Y]
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} else {
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bind $data(btn,$n) <B1-Motion> [list tixPanedWindow:BtnMove $w $n %X]
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}
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if {$data(-orientation) eq "vertical"} {
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# place $data(btn,$n) -relx 0.90 -y [expr "$data(totalsize)-5"]
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# place $data(sep,$n) -x 0 -y [expr "$data(totalsize)-1"] -relwidth 1
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} else {
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# place $data(btn,$n) -rely 0.90 -x [expr "$data(totalsize)-5"]
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# place $data(sep,$n) -y 0 -x [expr "$data(totalsize)-1"] -relheight 1
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}
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}
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proc tixPanedWindow:BtnDown {w item {fake 0}} {
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upvar #0 $w data
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if {$data(-orientation) eq "vertical"} {
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set spec -height
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} else {
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set spec -width
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}
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if {!$fake} {
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for {set i 1} {$i < $data(nItems)} {incr i} {
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$data(sep,$i) config -bg $data(-separatoractivebg) $spec 1
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}
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update idletasks
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$data(btn,$item) config -relief sunken
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}
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tixPanedWindow:GetMotionLimit $w $item $fake
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if {!$fake} {
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grab -global $data(btn,$item)
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}
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set data(movePending) 0
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}
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proc tixPanedWindow:Min2 {a b} {
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if {$a < $b} {
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return $a
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} else {
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return $b
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}
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}
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proc tixPanedWindow:GetMotionLimit {w item fake} {
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upvar #0 $w data
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set curBefore 0
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set minBefore 0
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set maxBefore 0
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|
|
|
for {set i 0} {$i < $item} {incr i} {
|
|
set name [lindex $data(items) $i]
|
|
incr curBefore $data($name,size)
|
|
incr minBefore $data($name,min)
|
|
incr maxBefore $data($name,max)
|
|
}
|
|
|
|
set curAfter 0
|
|
set minAfter 0
|
|
set maxAfter 0
|
|
while {$i < $data(nItems)} {
|
|
set name [lindex $data(items) $i]
|
|
incr curAfter $data($name,size)
|
|
incr minAfter $data($name,min)
|
|
incr maxAfter $data($name,max)
|
|
incr i
|
|
}
|
|
|
|
set beforeToGo [tixPanedWindow:Min2 \
|
|
[expr {$curBefore-$minBefore}] \
|
|
[expr {$maxAfter-$curAfter}]]
|
|
|
|
set afterToGo [tixPanedWindow:Min2 \
|
|
[expr {$curAfter-$minAfter}] \
|
|
[expr {$maxBefore-$curBefore}]]
|
|
|
|
set data(beforeLimit) [expr {$curBefore-$beforeToGo}]
|
|
set data(afterLimit) [expr {$curBefore+$afterToGo}]
|
|
set data(curSize) $curBefore
|
|
|
|
if {!$fake} {
|
|
tixPanedWindow:PlotHandles $w 1
|
|
}
|
|
}
|
|
|
|
# Compress the motion so that update is quick even on slow machines
|
|
#
|
|
# rootp = root position (either rootx or rooty)
|
|
proc tixPanedWindow:BtnMove {w item rootp {fake 0}} {
|
|
upvar #0 $w data
|
|
|
|
set data(rootp) $rootp
|
|
|
|
if {$fake} {
|
|
tixPanedWindow:BtnMoveCompressed $w $item $fake
|
|
} else {
|
|
if {$data(movePending) == 0} {
|
|
after 2 tixPanedWindow:BtnMoveCompressed $w $item
|
|
set data(movePending) 1
|
|
}
|
|
}
|
|
}
|
|
|
|
proc tixPanedWindow:BtnMoveCompressed {w item {fake 0}} {
|
|
if {![winfo exists $w]} {
|
|
return
|
|
}
|
|
|
|
upvar #0 $w data
|
|
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set p [expr {$data(rootp)-[winfo rooty $w]}]
|
|
} else {
|
|
set p [expr {$data(rootp)-[winfo rootx $w]}]
|
|
}
|
|
|
|
if {$p == $data(curSize)} {
|
|
set data(movePending) 0
|
|
return
|
|
}
|
|
|
|
if {$p < $data(beforeLimit)} {
|
|
set p $data(beforeLimit)
|
|
}
|
|
if {$p >= $data(afterLimit)} {
|
|
set p $data(afterLimit)
|
|
}
|
|
tixPanedWindow:CalculateChange $w $item $p $fake
|
|
|
|
if {!$fake} {
|
|
# Force the redraw to happen
|
|
#
|
|
update idletasks
|
|
}
|
|
set data(movePending) 0
|
|
}
|
|
|
|
# Calculate the change in response to mouse motions
|
|
#
|
|
proc tixPanedWindow:CalculateChange {w item p {fake 0}} {
|
|
upvar #0 $w data
|
|
|
|
if {$p < $data(curSize)} {
|
|
tixPanedWindow:MoveBefore $w $item $p
|
|
} elseif {$p > $data(curSize)} {
|
|
tixPanedWindow:MoveAfter $w $item $p
|
|
}
|
|
|
|
if {!$fake} {
|
|
tixPanedWindow:PlotHandles $w 1
|
|
}
|
|
}
|
|
|
|
proc tixPanedWindow:MoveBefore {w item p} {
|
|
upvar #0 $w data
|
|
|
|
set n [expr {$data(curSize)-$p}]
|
|
|
|
# Shrink the frames before
|
|
#
|
|
set from [expr {$item-1}]
|
|
set to 0
|
|
tixPanedWindow:Iterate $w $from $to tixPanedWindow:Shrink $n
|
|
|
|
# Adjust the frames after
|
|
#
|
|
set from $item
|
|
set to [expr {$data(nItems)-1}]
|
|
tixPanedWindow:Iterate $w $from $to tixPanedWindow:Grow $n
|
|
|
|
set data(curSize) $p
|
|
}
|
|
|
|
proc tixPanedWindow:MoveAfter {w item p} {
|
|
upvar #0 $w data
|
|
|
|
set n [expr {$p-$data(curSize)}]
|
|
|
|
# Shrink the frames after
|
|
#
|
|
set from $item
|
|
set to [expr {$data(nItems)-1}]
|
|
tixPanedWindow:Iterate $w $from $to tixPanedWindow:Shrink $n
|
|
|
|
# Graw the frame before
|
|
#
|
|
set from [expr {$item-1}]
|
|
set to 0
|
|
tixPanedWindow:Iterate $w $from $to tixPanedWindow:Grow $n
|
|
|
|
set data(curSize) $p
|
|
}
|
|
|
|
proc tixPanedWindow:CancleLines {w} {
|
|
upvar #0 $w data
|
|
|
|
if {[info exists data(lines)]} {
|
|
foreach line $data(lines) {
|
|
set x1 [lindex $line 0]
|
|
set y1 [lindex $line 1]
|
|
set x2 [lindex $line 2]
|
|
set y2 [lindex $line 3]
|
|
|
|
tixTmpLine $x1 $y1 $x2 $y2 $w
|
|
}
|
|
|
|
catch {unset data(lines)}
|
|
}
|
|
}
|
|
|
|
proc tixPanedWindow:PlotHandles {w transient} {
|
|
global tcl_platform
|
|
|
|
upvar #0 $w data
|
|
|
|
set totalsize 0
|
|
set i 0
|
|
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set btnp [expr {[winfo width $w]-13}]
|
|
} else {
|
|
set h [winfo height $w]
|
|
if {$h > 18} {
|
|
set btnp 9
|
|
} else {
|
|
set btnp [expr {$h-9}]
|
|
}
|
|
}
|
|
|
|
set firstpane [lindex $data(items) 0]
|
|
set totalsize $data($firstpane,size)
|
|
|
|
if {$transient} {
|
|
tixPanedWindow:CancleLines $w
|
|
set data(lines) ""
|
|
}
|
|
|
|
for {set i 1} {$i < $data(nItems)} {incr i} {
|
|
if {! $transient} {
|
|
if {$data(-orientation) eq "vertical"} {
|
|
place $data(btn,$i) -x $btnp -y [expr {$totalsize-4}]
|
|
place $data(sep,$i) -x 0 -y [expr {$totalsize-1}] -relwidth 1
|
|
} else {
|
|
place $data(btn,$i) -y $btnp -x [expr {$totalsize-5}]
|
|
place $data(sep,$i) -y 0 -x [expr {$totalsize-1}] -relheight 1
|
|
}
|
|
} else {
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set x1 [winfo rootx $w]
|
|
set x2 [expr {$x1 + [winfo width $w]}]
|
|
set y [expr {$totalsize-1+[winfo rooty $w]}]
|
|
|
|
tixTmpLine $x1 $y $x2 $y $w
|
|
lappend data(lines) [list $x1 $y $x2 $y]
|
|
} else {
|
|
set y1 [winfo rooty $w]
|
|
set y2 [expr {$y1 + [winfo height $w]}]
|
|
set x [expr {$totalsize-1+[winfo rootx $w]}]
|
|
|
|
tixTmpLine $x $y1 $x $y2 $w
|
|
lappend data(lines) [list $x $y1 $x $y2]
|
|
}
|
|
}
|
|
|
|
set name [lindex $data(items) $i]
|
|
incr totalsize $data($name,size)
|
|
}
|
|
}
|
|
|
|
proc tixPanedWindow:BtnUp {w item {fake 0}} {
|
|
upvar #0 $w data
|
|
|
|
if {!$fake} {
|
|
tixPanedWindow:CancleLines $w
|
|
}
|
|
|
|
tixPanedWindow:UpdateSizes $w
|
|
|
|
if {!$fake} {
|
|
$data(btn,$item) config -relief raised
|
|
grab release $data(btn,$item)
|
|
}
|
|
}
|
|
|
|
|
|
proc tixPanedWindow:HighlightBtn {w item} {
|
|
upvar #0 $w data
|
|
|
|
$data(btn,$item) config -background $data(-handleactivebg)
|
|
}
|
|
|
|
proc tixPanedWindow:DeHighlightBtn {w item} {
|
|
upvar #0 $w data
|
|
|
|
$data(btn,$item) config -background $data(-handlebg)
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
#
|
|
#
|
|
# Geometry management routines
|
|
#
|
|
#
|
|
#----------------------------------------------------------------------
|
|
|
|
# update the sizes of each pane according to the data($name,size) variables
|
|
#
|
|
proc tixPanedWindow:UpdateSizes {w} {
|
|
global tcl_platform
|
|
|
|
upvar #0 $w data
|
|
|
|
set data(totalsize) 0
|
|
|
|
set mw [winfo width $w]
|
|
set mh [winfo height $w]
|
|
|
|
for {set i 0} {$i < $data(nItems)} {incr i} {
|
|
set name [lindex $data(items) $i]
|
|
|
|
if {$data($name,size) > 0} {
|
|
if {$data(-orientation) eq "vertical"} {
|
|
tixMoveResizeWindow $w.$name 0 $data(totalsize) \
|
|
$mw $data($name,size)
|
|
tixMapWindow $w.$name
|
|
raise $w.$name
|
|
} else {
|
|
tixMoveResizeWindow $w.$name $data(totalsize) 0 \
|
|
$data($name,size) $mh
|
|
tixMapWindow $w.$name
|
|
raise $w.$name
|
|
}
|
|
} else {
|
|
tixUnmapWindow $w.$name
|
|
}
|
|
incr data(totalsize) $data($name,size)
|
|
}
|
|
|
|
# Reset the color and width of the separator
|
|
#
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set spec -height
|
|
} else {
|
|
set spec -width
|
|
}
|
|
|
|
# CYGNUS: On Windows, use a thicker line.
|
|
if {$tcl_platform(platform) eq "windows"} then {
|
|
set thickness 4
|
|
} else {
|
|
set thickness 2
|
|
}
|
|
|
|
for {set i 1} {$i < $data(nItems)} {incr i} {
|
|
$data(sep,$i) config -bg $data(-separatorbg) $spec $thickness
|
|
raise $data(sep,$i)
|
|
raise $data(btn,$i)
|
|
}
|
|
|
|
|
|
# Invoke the callback command
|
|
#
|
|
if {$data(-command) != ""} {
|
|
set sizes ""
|
|
foreach item $data(items) {
|
|
lappend sizes $data($item,size)
|
|
}
|
|
set bind(specs) ""
|
|
tixEvalCmdBinding $w $data(-command) bind [list $sizes]
|
|
}
|
|
}
|
|
|
|
proc tixPanedWindow:GetNaturalSizes {w} {
|
|
upvar #0 $w data
|
|
|
|
set data(totalsize) 0
|
|
set totalreq 0
|
|
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set majorspec height
|
|
set minorspec width
|
|
} else {
|
|
set majorspec width
|
|
set minorspec height
|
|
}
|
|
|
|
set minorsize 0
|
|
foreach name $data(items) {
|
|
if {[winfo manager $w.$name] ne "tixGeometry"} {
|
|
error "Geometry management error: pane \"$w.$name\" cannot be managed by \"[winfo manager $w.$name]\"\nhint: delete the line \"[winfo manager $w.$name] $w.$name ...\" from your program"
|
|
}
|
|
|
|
# set the minor size
|
|
#
|
|
set req_minor [winfo req$minorspec $w.$name]
|
|
|
|
if {$req_minor > $minorsize} {
|
|
set minorsize $req_minor
|
|
}
|
|
|
|
# Check the natural size against the max, min requirements.
|
|
# Change the natural size if necessary
|
|
#
|
|
if {$data($name,size) <= 1} {
|
|
set data($name,size) [winfo req$majorspec $w.$name]
|
|
}
|
|
|
|
if {$data($name,size) > 1} {
|
|
# If we get zero maybe the widget was not initialized yet ...
|
|
#
|
|
# %% hazard : what if the window is really 1x1?
|
|
#
|
|
if {$data($name,size) < $data($name,min)} {
|
|
set data($name,size) $data($name,min)
|
|
}
|
|
if {$data($name,size) > $data($name,max)} {
|
|
set data($name,size) $data($name,max)
|
|
}
|
|
}
|
|
|
|
# kludge: because a frame always returns req size of {1,1} before
|
|
# the packer processes it, we do the following to mark the
|
|
# pane as "size unknown"
|
|
#
|
|
# if {$data($name,size) == 1 && ![winfo ismapped $w.$name]} {
|
|
# set data($name,size) 0
|
|
# }
|
|
|
|
# Add up the total size
|
|
#
|
|
incr data(totalsize) $data($name,size)
|
|
|
|
# Find out the request size
|
|
#
|
|
if {$data($name,rsize) == 0} {
|
|
set rsize [winfo req$majorspec $w.$name]
|
|
} else {
|
|
set rsize $data($name,rsize)
|
|
}
|
|
|
|
if {$rsize < $data($name,min)} {
|
|
set rsize $data($name,min)
|
|
}
|
|
if {$rsize > $data($name,max)} {
|
|
set rsize $data($name,max)
|
|
}
|
|
|
|
incr totalreq $rsize
|
|
}
|
|
|
|
if {$data(-orientation) eq "vertical"} {
|
|
return [list $minorsize $totalreq]
|
|
} else {
|
|
return [list $totalreq $minorsize]
|
|
}
|
|
}
|
|
|
|
#--------------------------------------------------
|
|
# Handling resize
|
|
#--------------------------------------------------
|
|
proc tixPanedWindow:ClientGeomProc {w type client} {
|
|
tixPanedWindow:RepackWhenIdle $w
|
|
}
|
|
|
|
#
|
|
# This monitor the sizes of the master window
|
|
#
|
|
proc tixPanedWindow:MasterGeomProc {w master} {
|
|
tixPanedWindow:RepackWhenIdle $w
|
|
}
|
|
|
|
proc tixPanedWindow:RepackWhenIdle {w} {
|
|
if {![winfo exist $w]} {
|
|
return
|
|
}
|
|
upvar #0 $w data
|
|
|
|
if {$data(repack) == 0} {
|
|
tixWidgetDoWhenIdle tixPanedWindow:Repack $w
|
|
set data(repack) 1
|
|
}
|
|
}
|
|
|
|
#
|
|
# This monitor the sizes of the master window
|
|
#
|
|
proc tixPanedWindow:Repack {w} {
|
|
upvar #0 $w data
|
|
|
|
# Calculate the desired size of the master
|
|
#
|
|
set dim [tixPanedWindow:GetNaturalSizes $w]
|
|
|
|
if {$data(-width) != 0} {
|
|
set mreqw $data(-width)
|
|
} else {
|
|
set mreqw [lindex $dim 0]
|
|
}
|
|
|
|
if {$data(-height) != 0} {
|
|
set mreqh $data(-height)
|
|
} else {
|
|
set mreqh [lindex $dim 1]
|
|
}
|
|
|
|
if !$data(-dynamicgeometry) {
|
|
if {$mreqw < $data(maxReqW)} {
|
|
set mreqw $data(maxReqW)
|
|
}
|
|
if {$mreqh < $data(maxReqH)} {
|
|
set mreqh $data(maxReqH)
|
|
}
|
|
set data(maxReqW) $mreqw
|
|
set data(maxReqH) $mreqh
|
|
}
|
|
if {$mreqw != [winfo reqwidth $w] || $mreqh != [winfo reqheight $w] } {
|
|
if {![info exists data(counter)]} {
|
|
set data(counter) 0
|
|
}
|
|
if {$data(counter) < 50} {
|
|
incr data(counter)
|
|
tixGeometryRequest $w $mreqw $mreqh
|
|
tixWidgetDoWhenIdle tixPanedWindow:Repack $w
|
|
set data(repack) 1
|
|
return
|
|
}
|
|
}
|
|
|
|
set data(counter) 0
|
|
|
|
if {$data(nItems) == 0} {
|
|
set data(repack) 0
|
|
return
|
|
}
|
|
|
|
tixWidgetDoWhenIdle tixPanedWindow:DoRepack $w
|
|
}
|
|
|
|
proc tixPanedWindow:DoRepack {w} {
|
|
upvar #0 $w data
|
|
|
|
if {$data(-orientation) eq "vertical"} {
|
|
set newSize [winfo height $w]
|
|
} else {
|
|
set newSize [winfo width $w]
|
|
}
|
|
|
|
if {$newSize <= 1} {
|
|
# Probably this window is too small to see anyway
|
|
# %%Kludge: I don't know if this always work.
|
|
#
|
|
set data(repack) 0
|
|
return
|
|
}
|
|
|
|
set totalExp 0
|
|
foreach name $data(items) {
|
|
set totalExp [expr {$totalExp + $data($name,expand)}]
|
|
}
|
|
|
|
if {$newSize > $data(totalsize)} {
|
|
# Grow
|
|
#
|
|
set toGrow [expr {$newSize-$data(totalsize)}]
|
|
|
|
set p [llength $data(items)]
|
|
foreach name $data(items) {
|
|
set toGrow [tixPanedWindow:xGrow $w $name $toGrow $totalExp $p]
|
|
if {$toGrow > 0} {
|
|
set totalExp [expr {$totalExp-$data($name,expand)}]
|
|
incr p -1
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
} else {
|
|
# Shrink
|
|
#
|
|
set toShrink [expr {$data(totalsize)-$newSize}]
|
|
|
|
set usedSize 0
|
|
foreach name $data(items) {
|
|
set toShrink [tixPanedWindow:xShrink $w $name $toShrink \
|
|
$totalExp $newSize $usedSize]
|
|
if {$toShrink > 0} {
|
|
set totalExp [expr {$totalExp-$data($name,expand)}]
|
|
incr usedSize $data($name,size)
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
tixPanedWindow:UpdateSizes $w
|
|
tixPanedWindow:PlotHandles $w 0
|
|
|
|
set data(repack) 0
|
|
}
|
|
|
|
#--------------------------------------------------
|
|
# Shrink and grow items
|
|
#--------------------------------------------------
|
|
#
|
|
# toGrow: how much free area to grow into
|
|
# p: == 1 if $name is the last in the list of items
|
|
# totalExp: used to calculate the amount of the free area that this
|
|
# window can grow into
|
|
#
|
|
proc tixPanedWindow:xGrow {w name toGrow totalExp p} {
|
|
upvar #0 $w data
|
|
|
|
if {$p == 1} {
|
|
set canGrow $toGrow
|
|
} else {
|
|
if {$totalExp == 0} {
|
|
set canGrow 0
|
|
} else {
|
|
set canGrow [expr {int($toGrow * $data($name,expand) / $totalExp)}]
|
|
}
|
|
}
|
|
|
|
if {($canGrow + $data($name,size)) > $data($name,max)} {
|
|
set canGrow [expr {$data($name,max) - $data($name,size)}]
|
|
}
|
|
|
|
incr data($name,size) $canGrow
|
|
incr toGrow -$canGrow
|
|
|
|
return $toGrow
|
|
}
|
|
|
|
proc tixPanedWindow:xShrink {w name toShrink totalExp newSize usedSize} {
|
|
upvar #0 $w data
|
|
|
|
if {$totalExp == 0} {
|
|
set canShrink 0
|
|
} else {
|
|
set canShrink [expr {int($toShrink * $data($name,expand) / $totalExp)}]
|
|
}
|
|
|
|
if {$data($name,size) - $canShrink < $data($name,min)} {
|
|
set canShrink [expr {$data($name,size) - $data($name,min)}]
|
|
}
|
|
if {$usedSize + $data($name,size) - $canShrink > $newSize} {
|
|
set data($name,size) [expr {$newSize - $usedSize}]
|
|
return 0
|
|
} else {
|
|
incr data($name,size) -$canShrink
|
|
incr toShrink -$canShrink
|
|
|
|
return $toShrink
|
|
}
|
|
}
|
|
|
|
#--------------------------------------------------
|
|
# Shrink and grow items
|
|
#--------------------------------------------------
|
|
proc tixPanedWindow:Shrink {w name n} {
|
|
upvar #0 $w data
|
|
|
|
set canShrink [expr {$data($name,size) - $data($name,min)}]
|
|
|
|
if {$canShrink > $n} {
|
|
incr data($name,size) -$n
|
|
return 0
|
|
} elseif {$canShrink > 0} {
|
|
set data($name,size) $data($name,min)
|
|
incr n -$canShrink
|
|
}
|
|
return $n
|
|
}
|
|
|
|
proc tixPanedWindow:Grow {w name n} {
|
|
upvar #0 $w data
|
|
|
|
set canGrow [expr {$data($name,max) - $data($name,size)}]
|
|
|
|
if {$canGrow > $n} {
|
|
incr data($name,size) $n
|
|
return 0
|
|
} elseif {$canGrow > 0} {
|
|
set data($name,size) $data($name,max)
|
|
incr n -$canGrow
|
|
}
|
|
|
|
return $n
|
|
}
|
|
|
|
proc tixPanedWindow:Iterate {w from to proc n} {
|
|
upvar #0 $w data
|
|
|
|
if {$from <= $to} {
|
|
for {set i $from} {$i <= $to} {incr i} {
|
|
set n [$proc $w [lindex $data(items) $i] $n]
|
|
if {$n == 0} {
|
|
break
|
|
}
|
|
}
|
|
} else {
|
|
for {set i $from} {$i >= $to} {incr i -1} {
|
|
set n [$proc $w [lindex $data(items) $i] $n]
|
|
if {$n == 0} {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|