ok
Direktori : /proc/thread-self/root/proc/thread-self/root/lib64/tcl8.5/Tix8.4.3/ |
Current File : //proc/thread-self/root/proc/thread-self/root/lib64/tcl8.5/Tix8.4.3/IconView.tcl |
# -*- mode: TCL; fill-column: 75; tab-width: 8; coding: iso-latin-1-unix -*- # # $Id: IconView.tcl,v 1.2 2001/12/09 05:04:02 idiscovery Exp $ # # IconView.tcl -- # # This file implements the Icon View widget: the "icon" view mode of # the MultiView widget. It implements: # # (1) Creation of the icons in the canvas subwidget. # (2) Automatic arrangement of the objects # # 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. # tixWidgetClass tixIconView { -classname TixIconView -superclass tixCObjView -method { add arrange } -flag { -autoarrange } -static { } -configspec { {-autoarrange autoArrange AutoArrange 0 tixVerifyBoolean} } -default { {.scrollbar auto} {*borderWidth 1} {*canvas.background #c3c3c3} {*canvas.highlightBackground #d9d9d9} {*canvas.relief sunken} {*canvas.takeFocus 1} {*Scrollbar.takeFocus 0} } -forcecall { } } proc tixIconView:ConstructWidget {w} { upvar #0 $w data tixChainMethod $w ConstructWidget } proc tixIconView:SetBindings {w} { upvar #0 $w data tixChainMethod $w SetBindings set c $data(w:canvas) bind $c <1> "tixIconView:StartDrag $w %x %y" bind $c <B1-Motion> "tixIconView:Drag $w %x %y" bind $c <ButtonRelease-1> "tixIconView:EndDrag $w" } proc tixIconView:StartDrag {w x y} { upvar #0 $w data global lastX lastY set c $data(w:canvas) $c raise current set lastX [$c canvasx $x] set lastY [$c canvasy $y] } proc tixIconView:Drag {w x y} { upvar #0 $w data global lastX lastY set c $data(w:canvas) set x [$c canvasx $x] set y [$c canvasy $y] $c move current [expr $x-$lastX] [expr $y-$lastY] set lastX $x set lastY $y } proc tixIconView:EndDrag {w} { upvar #0 $w data tixCallMethod $w adjustscrollregion } #---------------------------------------------------------------------- # # option configs #---------------------------------------------------------------------- proc tixIconView:add {w tag image text} { upvar #0 $w data set cmp [image create compound -window $data(w:canvas)] $cmp add image -image $image $cmp add line $cmp add text -text $text set id [$data(w:canvas) create image 0 0 -image $cmp -anchor nw] $data(w:canvas) addtag $tag withtag $id if {$data(-autoarrange)} { tixWidgetDoWhenIdle tixIconView:Arrange $w 1 } } # Do it in an idle handler, so that Arrange is not called before the window # is properly mapped. # proc tixIconView:arrange {w} { tixWidgetDoWhenIdle tixIconView:Arrange $w 1 } proc tixIconView:PackOneRow {w row y maxH bd padX padY} { upvar #0 $w data set iX [expr $bd+$padX] foreach i $row { set box [$data(w:canvas) bbox $i] set W [expr [lindex $box 2]-[lindex $box 0]+1] set H [expr [lindex $box 3]-[lindex $box 1]+1] set iY [expr $y + $maxH - $H] $data(w:canvas) coords $i $iX $iY incr iX [expr $W+$padX] } } # virtual method # proc tixIconView:PlaceWindow {w} { upvar #0 $w data if {$data(-autoarrange)} { tixWidgetDoWhenIdle tixIconView:Arrange $w 0 } tixChainMethod $w PlaceWindow } proc tixIconView:Arrange {w adjust} { upvar #0 $w data set padX 2 set padY 2 tixIconView:ArrangeGrid $w $padX $padY if {$adjust} { tixCallMethod $w adjustscrollregion } } # the items are not packed # proc tixIconView:ArrangeGrid {w padX padY} { upvar #0 $w data set maxW 0 set maxH 0 foreach item [$data(w:canvas) find all] { set box [$data(w:canvas) bbox $item] set itemW [expr [lindex $box 2]-[lindex $box 0]+1] set itemH [expr [lindex $box 3]-[lindex $box 1]+1] if {$maxW < $itemW} { set maxW $itemW } if {$maxH < $itemH} { set maxH $itemH } } if {$maxW == 0 || $maxH == 0} { return } set winW [tixWinWidth $data(w:canvas)] set bd [expr [$data(w:canvas) cget -bd]+\ [$data(w:canvas) cget -highlightthickness]] set cols [expr $winW / ($maxW+$padX)] if {$cols < 1} { set cols 1 } set y $bd set c 0 set x $bd foreach item [$data(w:canvas) find all] { set box [$data(w:canvas) bbox $item] set itemW [expr [lindex $box 2]-[lindex $box 0]+1] set itemH [expr [lindex $box 3]-[lindex $box 1]+1] set iX [expr $x + $padX + ($maxW-$itemW)/2] set iY [expr $y + $padY + ($maxH-$itemH) ] $data(w:canvas) coords $item $iX $iY incr c incr x [expr $maxW + $padY] if {$c == $cols} { set c 0 incr y [expr $maxH + $padY] set x $bd } } } # the items are packed # proc tixIconView:ArrangePack {w padX padY} { upvar #0 $w data set winW [tixWinWidth $data(w:canvas)] set bd [expr [$data(w:canvas) cget -bd]+\ [$data(w:canvas) cget -highlightthickness]] set y [expr $bd + $padY] set maxH 0 set usedW $padX set row "" foreach item [$data(w:canvas) find all] { set box [$data(w:canvas) bbox $item] set itemW [expr [lindex $box 2]-[lindex $box 0]+1] set itemH [expr [lindex $box 3]-[lindex $box 1]+1] if {[expr $usedW + $itemW] > $winW} { if {$row == ""} { # only one item in this row # $data(w:canvas) coords $item [expr $bd + $padX] $y incr y [expr $itemH+$padY] continue } else { # this item is not in this row. Arrange the previous items # first # tixIconView:PackOneRow $w $row $y $maxH $bd $padX $padY incr y $maxH set row "" set maxH 0 set usedW $padX } } lappend row $item if {$maxH < $itemH} { set maxH $itemH } incr usedW [expr $padX+$itemW] } if {$row != ""} { tixIconView:PackOneRow $w $row $y $maxH $bd $padX $padY } } #---------------------------------------------------------------------- # # Widget commands #---------------------------------------------------------------------- #---------------------------------------------------------------------- # # Private Methods #----------------------------------------------------------------------