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[/] [or1k/] [trunk/] [insight/] [tix/] [library/] [SWidget.tcl] - Blame information for rev 1771

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# SWidget.tcl --
#
#       tixScrolledWidget: virtual base class. Do not instantiate
#       This is the core class for all scrolled widgets.
#
# Copyright (c) 1996, Expert Interface Technologies
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
 
 
tixWidgetClass tixScrolledWidget {
    -virtual true
    -classname TixScrolledWidget
    -superclass tixPrimitive
    -method {
    }
    -flag {
        -scrollbar -scrollbarspace
    }
    -configspec {
        {-scrollbar scrollbar Scrollbar both}
        {-scrollbarspace scrollbarSpace ScrollbarSpace {both}}
        {-sizebox sizeBox SizeBox 0}
    }
}
 
proc tixScrolledWidget:InitWidgetRec {w} {
    upvar #0 $w data
 
    tixChainMethod $w InitWidgetRec
 
    set data(x,first)   0
    set data(x,last)    0
 
    set data(y,first)   0
    set data(y,last)    0
 
    set data(lastSpec) ""
    set data(lastMW)   ""
    set data(lastMH)   ""
    set data(lastScbW) ""
    set data(lastScbH) ""
 
    set data(repack)    0
    set data(counter)   0
 
    set data(vsbPadY)   0
    set data(hsbPadX)   0
}
 
proc tixScrolledWidget:SetBindings {w} {
    upvar #0 $w data
 
    tixChainMethod $w SetBindings
 
    tixManageGeometry $data(pw:client) "tixScrolledWidget:ClientGeomProc $w"
    bind $data(pw:client) <Configure> \
        [list tixScrolledWidget:ClientGeomProc $w "" $data(pw:client)]
 
    tixManageGeometry $data(w:hsb) "tixScrolledWidget:ClientGeomProc $w"
    bind $data(w:hsb) <Configure> \
        [list tixScrolledWidget:ClientGeomProc $w "" $data(w:hsb)]
 
    tixManageGeometry $data(w:vsb) "tixScrolledWidget:ClientGeomProc $w"
    bind $data(w:vsb) <Configure> \
        [list tixScrolledWidget:ClientGeomProc $w "" $data(w:vsb)]
 
    bind $w <Configure> "tixScrolledWidget:MasterGeomProc $w"
 
    tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    set data(repack) 1
}
 
proc tixScrolledWidget:config-scrollbar {w value} {
    upvar #0 $w data
    global tcl_platform
 
    if {[lindex $value 0] == "auto"} {
        foreach xspec [lrange $value 1 end] {
            case $xspec {
                {+x -x +y -y} {}
                default {
                    error "bad -scrollbar value \"$value\""
                }
            }
        }
    } else {
        case $value in {
            {none x y both} {}
            default {
                error "bad -scrollbar value \"$value\""
            }
        }
    }
 
    if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {
        set data(-scrollbar) both
    }
 
    if {$data(repack) == 0} {
        set data(repack) 1
        tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    }
}
 
proc tixScrolledWidget:config-scrollbarspace {w value} {
    upvar #0 $w data
 
    if {$data(repack) == 0} {
        set data(repack) 1
        tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    }
}
 
proc tixScrolledWidget:config-sizebox {w value} {
  error "unimplemented"
}
 
 
#----------------------------------------------------------------------
#
#                Scrollbar calculations
#
#----------------------------------------------------------------------
proc tixScrolledWidget:ClientGeomProc {w type client} {
    upvar #0 $w data
 
    if {$data(repack) == 0} {
        set data(repack) 1
        tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    }
}
 
proc tixScrolledWidget:MasterGeomProc {w} {
    upvar #0 $w data
 
    if {$data(repack) == 0} {
        set data(repack) 1
        tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    }
}
 
proc tixScrolledWidget:Configure {w} {
    if {![winfo exists $w]} {
        return
    }
 
    upvar #0 $w data
 
    if {$data(repack) == 0} {
        set data(repack) 1
        tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
    }
}
 
proc tixScrolledWidget:ScrollCmd {w scrollbar axis first last} {
    upvar #0 $w data
 
    $scrollbar set $first $last
}
 
# Show or hide the scrollbars as required.
#
# spec: 00 = need none
# spec: 01 = need y
# spec: 10 = need x
# spec: 11 = need xy
#
proc tixScrolledWidget:Repack {w} {
    tixCallMethod $w RepackHook
}
 
proc tixScrolledWidget:RepackHook {w} {
    upvar #0 $w data
    global tcl_platform
 
    if {![winfo exists $w]} {
        # This was generated by the <Destroy> event
        #
        return
    }
 
    set client $data(pw:client)
 
    # Calculate the size of the master
    #
    set mreqw [winfo reqwidth  $w]
    set mreqh [winfo reqheight $w]
    set creqw [winfo reqwidth  $client]
    set creqh [winfo reqheight $client]
 
    set scbW [winfo reqwidth  $w.vsb]
    set scbH [winfo reqheight $w.hsb]
 
    case $data(-scrollbarspace) {
        "x" {
            incr creqh $scbH
        }
        "y" {
            incr creqw $scbW
        }
        "both" {
            incr creqw $scbW
            incr creqh $scbH
        }
    }
 
    if {$data(-width) != 0} {
        set creqw $data(-width)
    }
    if {$data(-height) != 0} {
        set creqh $data(-height)
    }
 
    if {$mreqw != $creqw || $mreqh != $creqh } {
        if {![info exists data(counter)]} {
            set data(counter) 0
        }
        if {$data(counter) < 50} {
            incr data(counter)
            tixGeometryRequest $w $creqw $creqh
            tixWidgetDoWhenIdle tixScrolledWidget:Repack $w
            set data(repack) 1
            return
        }
    }
 
    set data(counter) 0
    set mw [winfo width  $w]
    set mh [winfo height $w]
 
    set cw [expr $mw - $scbW]
    set ch [expr $mh - $scbH]
 
    set scbx [expr $mw - $scbW]
    set scby [expr $mh - $scbH]
 
    # Check the validity of the sizes: if window was not mapped then
    # sizes will be below 1x1
    if {$cw < 1} {
        set cw 1
    }
    if {$ch < 1} {
        set ch 1
    }
    if {$scbx < 1} {
        set scbx 1
    }
    if {$scby < 1} {
        set scby 1
    }
 
    if {[lindex $data(-scrollbar) 0] == "auto"} {
        # Find out how we are going to pack the scrollbars
        #
        set spec [tixScrolledWidget:CheckScrollbars $w $scbW $scbH]
 
        foreach xspec [lrange $data(-scrollbar) 1 end] {
            case $xspec {
                +x {
                    set spec [expr $spec | 10]
                }
                -x {
                    set spec [expr $spec & 01]
                }
                +y {
                    set spec [expr $spec | 01]
                }
                -y {
                    set spec [expr $spec & 10]
                }
            }
        }
        if {$spec == 0} {
            set spec 00
        }
        if {$spec == 1} {
            set spec 01
        }
    } else {
        case $data(-scrollbar) in {
            none {
                set spec 00
            }
            x {
                set spec 10
            }
            y {
                set spec 01
            }
            both {
                set spec 11
            }
        }
    }
 
 
    if {$data(lastSpec)==$spec && $data(lastMW)==$mw && $data(lastMH)==$mh} {
        if {$data(lastScbW) == $scbW && $data(lastScbH) == $scbH} {
            tixCallMethod $w PlaceWindow
            set data(repack) 0
            return
        }
    }
 
    set vsbH [expr $mh - $data(vsbPadY)]
    set hsbW [expr $mw - $data(hsbPadX)]
 
    if {$vsbH < 1} {
        set vsbH 1
    }
    if {$hsbW < 1} {
        set hsbW 1
    }
 
    case $spec in {
        "00" {
            tixMoveResizeWindow $client 0 0 $mw $mh
 
            tixMapWindow $client
            tixUnmapWindow $data(w:hsb)
            tixUnmapWindow $data(w:vsb)
        }
        "01" {
            tixMoveResizeWindow $client 0 0 $cw $mh
            tixMoveResizeWindow $data(w:vsb) $scbx $data(vsbPadY) $scbW $vsbH
 
            tixMapWindow $client
            tixUnmapWindow $data(w:hsb)
            tixMapWindow $data(w:vsb)
        }
        "10" {
            tixMoveResizeWindow $client 0 0 $mw $ch
            tixMoveResizeWindow $data(w:hsb) $data(hsbPadX) $scby $hsbW $scbH
 
            tixMapWindow $client
            tixMapWindow $data(w:hsb)
            tixUnmapWindow $data(w:vsb)
        }
        "11" {
            set vsbH [expr $ch - $data(vsbPadY)]
            set hsbW [expr $cw - $data(hsbPadX)]
            if {$vsbH < 1} {
                set vsbH 1
            }
            if {$hsbW < 1} {
                set hsbW 1
            }
 
            tixMoveResizeWindow $client 0 0 $cw $ch
            tixMoveResizeWindow $data(w:vsb) $scbx $data(vsbPadY) $scbW $vsbH
            tixMoveResizeWindow $data(w:hsb) $data(hsbPadX) $scby $hsbW $scbH
            if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {
                tixMoveResizeWindow $data(w:sizebox) $scbx $scby $scbW $scbH
            }
 
            tixMapWindow $client
            tixMapWindow $data(w:hsb)
            tixMapWindow $data(w:vsb)
            if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {
                tixMapWindow $data(w:sizebox)
            }
        }
    }
 
    set data(lastSpec) $spec
    set data(lastMW)   $mw
    set data(lastMH)   $mh
    set data(lastScbW) $scbW
    set data(lastScbH) $scbH
 
    tixCallMethod $w PlaceWindow
    set data(repack) 0
}
 
proc tixScrolledWidget:PlaceWindow {w} {
    # virtual base function
}
 
#
# Helper function
#
proc tixScrolledWidget:NeedScrollbar {w axis} {
    upvar #0 $w data
 
    if {$data($axis,first) > 0.0} {
        return 1
    }
 
    if {$data($axis,last) < 1.0} {
        return 1
    }
 
    return 0
}
 
# Return whether H and V needs scrollbars in a list of two booleans
#
#
proc tixScrolledWidget:CheckScrollbars {w scbW scbH} {
    upvar #0 $w data
 
    set mW [winfo width  $w]
    set mH [winfo height $w]
 
    set info [tixCallMethod $w GeometryInfo $mW $mH]
 
    if {$info != ""} {
        set xSpec [lindex $info 0]
        set ySpec [lindex $info 1]
 
        set data(x,first)   [lindex $xSpec 0]
        set data(x,last)    [lindex $xSpec 1]
 
        set data(y,first)   [lindex $ySpec 0]
        set data(y,last)    [lindex $ySpec 1]
    }
 
    set needX [tixScrolledWidget:NeedScrollbar $w x]
    set needY [tixScrolledWidget:NeedScrollbar $w y]
 
    if {[winfo ismapped $w]==0} {
        return "$needX$needY"
    }
 
    if {$needX && $needY} {
        return 11
    }
 
    if {$needX == 0 && $needY == 0} {
        return 00
    }
 
    if {$needX} {
        set mH [expr $mH - $scbH]
    }
    if {$needY} {
        set mW [expr $mW - $scbW]
    }
 
    set info [tixCallMethod $w GeometryInfo $mW $mH]
    if {$info != ""} {
        set xSpec [lindex $info 0]
        set ySpec [lindex $info 1]
 
        set data(x,first)   [lindex $xSpec 0]
        set data(x,last)    [lindex $xSpec 1]
 
        set data(y,first)   [lindex $ySpec 0]
        set data(y,last)    [lindex $ySpec 1]
    }
 
    set needX [tixScrolledWidget:NeedScrollbar $w x]
    set needY [tixScrolledWidget:NeedScrollbar $w y]
 
    return "$needX$needY"
}
 
#----------------------------------------------------------------------
# Following is a bunch of crap. Not needed in TK 4.0.
#----------------------------------------------------------------------
 
#----------------------------------------------------------------------
# Keyboard events -
#
#       Raw event handlers: redirect binding events to class methods
#
proc tixScrolledWidget:RawUpKey {w} {
    tixCallMethod $w HandleLineUp
}
 
proc tixScrolledWidget:RawDownKey {w} {
    tixCallMethod $w HandleLineDown
}
 
proc tixScrolledWidget:RawLeftKey {w} {
    tixCallMethod $w HandleLeftKey
}
 
proc tixScrolledWidget:RawRightKey {w} {
    tixCallMethod $w HandleRightKey
}
 
proc tixScrolledWidget:RawPriorKey {w} {
    tixCallMethod $w HandlePageUp
}
 
proc tixScrolledWidget:RawNextKey {w} {
    tixCallMethod $w HandlePageDown
}
 
# Virtual event handlers: subclasses can derive from these functions
#
 
proc tixScrolledWidget:HandleLineUp {w} {}
 
proc tixScrolledWidget:HandleLineDown {w} {}
 
proc tixScrolledWidget:HandlePageUp {w} {}
 
proc tixScrolledWidget:HandlePageDown {w} {}
 
proc tixScrolledWidget:HandleLeftKey {w} {}
 
proc tixScrolledWidget:HandleRightKey {w} {}

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[/] [or1k/] [trunk/] [insight/] [tix/] [library/] [SWidget.tcl] - Blame information for rev 1771

Line No.	Rev	Author	Line
1	578	markom	`# SWidget.tcl --`
2			`#`
3			`# tixScrolledWidget: virtual base class. Do not instantiate`
4			`# This is the core class for all scrolled widgets.`
5			`#`
6			`# Copyright (c) 1996, Expert Interface Technologies`
7			`#`
8			`# See the file "license.terms" for information on usage and redistribution`
9			`# of this file, and for a DISCLAIMER OF ALL WARRANTIES.`
10			`#`
11
12
13			`tixWidgetClass tixScrolledWidget {`
14			`-virtual true`
15			`-classname TixScrolledWidget`
16			`-superclass tixPrimitive`
17			`-method {`
18			`}`
19			`-flag {`
20			`-scrollbar -scrollbarspace`
21			`}`
22			`-configspec {`
23			`{-scrollbar scrollbar Scrollbar both}`
24			`{-scrollbarspace scrollbarSpace ScrollbarSpace {both}}`
25			`{-sizebox sizeBox SizeBox 0}`
26			`}`
27			`}`
28
29			`proc tixScrolledWidget:InitWidgetRec {w} {`
30			`upvar #0 $w data`
31
32			`tixChainMethod $w InitWidgetRec`
33
34			`set data(x,first) 0`
35			`set data(x,last) 0`
36
37			`set data(y,first) 0`
38			`set data(y,last) 0`
39
40			`set data(lastSpec) ""`
41			`set data(lastMW) ""`
42			`set data(lastMH) ""`
43			`set data(lastScbW) ""`
44			`set data(lastScbH) ""`
45
46			`set data(repack) 0`
47			`set data(counter) 0`
48
49			`set data(vsbPadY) 0`
50			`set data(hsbPadX) 0`
51			`}`
52
53			`proc tixScrolledWidget:SetBindings {w} {`
54			`upvar #0 $w data`
55
56			`tixChainMethod $w SetBindings`
57
58			`tixManageGeometry $data(pw:client) "tixScrolledWidget:ClientGeomProc $w"`
59			`bind $data(pw:client) <Configure> \`
60			`[list tixScrolledWidget:ClientGeomProc $w "" $data(pw:client)]`
61
62			`tixManageGeometry $data(w:hsb) "tixScrolledWidget:ClientGeomProc $w"`
63			`bind $data(w:hsb) <Configure> \`
64			`[list tixScrolledWidget:ClientGeomProc $w "" $data(w:hsb)]`
65
66			`tixManageGeometry $data(w:vsb) "tixScrolledWidget:ClientGeomProc $w"`
67			`bind $data(w:vsb) <Configure> \`
68			`[list tixScrolledWidget:ClientGeomProc $w "" $data(w:vsb)]`
69
70			`bind $w <Configure> "tixScrolledWidget:MasterGeomProc $w"`
71
72			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
73			`set data(repack) 1`
74			`}`
75
76			`proc tixScrolledWidget:config-scrollbar {w value} {`
77			`upvar #0 $w data`
78			`global tcl_platform`
79
80			`if {[lindex $value 0] == "auto"} {`
81			`foreach xspec [lrange $value 1 end] {`
82			`case $xspec {`
83			`{+x -x +y -y} {}`
84			`default {`
85			`error "bad -scrollbar value \"$value\""`
86			`}`
87			`}`
88			`}`
89			`} else {`
90			`case $value in {`
91			`{none x y both} {}`
92			`default {`
93			`error "bad -scrollbar value \"$value\""`
94			`}`
95			`}`
96			`}`
97
98			`if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {`
99			`set data(-scrollbar) both`
100			`}`
101
102			`if {$data(repack) == 0} {`
103			`set data(repack) 1`
104			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
105			`}`
106			`}`
107
108			`proc tixScrolledWidget:config-scrollbarspace {w value} {`
109			`upvar #0 $w data`
110
111			`if {$data(repack) == 0} {`
112			`set data(repack) 1`
113			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
114			`}`
115			`}`
116
117			`proc tixScrolledWidget:config-sizebox {w value} {`
118			`error "unimplemented"`
119			`}`
120
121
122			`#----------------------------------------------------------------------`
123			`#`
124			`# Scrollbar calculations`
125			`#`
126			`#----------------------------------------------------------------------`
127			`proc tixScrolledWidget:ClientGeomProc {w type client} {`
128			`upvar #0 $w data`
129
130			`if {$data(repack) == 0} {`
131			`set data(repack) 1`
132			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
133			`}`
134			`}`
135
136			`proc tixScrolledWidget:MasterGeomProc {w} {`
137			`upvar #0 $w data`
138
139			`if {$data(repack) == 0} {`
140			`set data(repack) 1`
141			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
142			`}`
143			`}`
144
145			`proc tixScrolledWidget:Configure {w} {`
146			`if {![winfo exists $w]} {`
147			`return`
148			`}`
149
150			`upvar #0 $w data`
151
152			`if {$data(repack) == 0} {`
153			`set data(repack) 1`
154			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
155			`}`
156			`}`
157
158			`proc tixScrolledWidget:ScrollCmd {w scrollbar axis first last} {`
159			`upvar #0 $w data`
160
161			`$scrollbar set $first $last`
162			`}`
163
164			`# Show or hide the scrollbars as required.`
165			`#`
166			`# spec: 00 = need none`
167			`# spec: 01 = need y`
168			`# spec: 10 = need x`
169			`# spec: 11 = need xy`
170			`#`
171			`proc tixScrolledWidget:Repack {w} {`
172			`tixCallMethod $w RepackHook`
173			`}`
174
175			`proc tixScrolledWidget:RepackHook {w} {`
176			`upvar #0 $w data`
177			`global tcl_platform`
178
179			`if {![winfo exists $w]} {`
180			`# This was generated by the <Destroy> event`
181			`#`
182			`return`
183			`}`
184
185			`set client $data(pw:client)`
186
187			`# Calculate the size of the master`
188			`#`
189			`set mreqw [winfo reqwidth $w]`
190			`set mreqh [winfo reqheight $w]`
191			`set creqw [winfo reqwidth $client]`
192			`set creqh [winfo reqheight $client]`
193
194			`set scbW [winfo reqwidth $w.vsb]`
195			`set scbH [winfo reqheight $w.hsb]`
196
197			`case $data(-scrollbarspace) {`
198			`"x" {`
199			`incr creqh $scbH`
200			`}`
201			`"y" {`
202			`incr creqw $scbW`
203			`}`
204			`"both" {`
205			`incr creqw $scbW`
206			`incr creqh $scbH`
207			`}`
208			`}`
209
210			`if {$data(-width) != 0} {`
211			`set creqw $data(-width)`
212			`}`
213			`if {$data(-height) != 0} {`
214			`set creqh $data(-height)`
215			`}`
216
217			`if {$mreqw != $creqw \|\| $mreqh != $creqh } {`
218			`if {![info exists data(counter)]} {`
219			`set data(counter) 0`
220			`}`
221			`if {$data(counter) < 50} {`
222			`incr data(counter)`
223			`tixGeometryRequest $w $creqw $creqh`
224			`tixWidgetDoWhenIdle tixScrolledWidget:Repack $w`
225			`set data(repack) 1`
226			`return`
227			`}`
228			`}`
229
230			`set data(counter) 0`
231			`set mw [winfo width $w]`
232			`set mh [winfo height $w]`
233
234			`set cw [expr $mw - $scbW]`
235			`set ch [expr $mh - $scbH]`
236
237			`set scbx [expr $mw - $scbW]`
238			`set scby [expr $mh - $scbH]`
239
240			`# Check the validity of the sizes: if window was not mapped then`
241			`# sizes will be below 1x1`
242			`if {$cw < 1} {`
243			`set cw 1`
244			`}`
245			`if {$ch < 1} {`
246			`set ch 1`
247			`}`
248			`if {$scbx < 1} {`
249			`set scbx 1`
250			`}`
251			`if {$scby < 1} {`
252			`set scby 1`
253			`}`
254
255			`if {[lindex $data(-scrollbar) 0] == "auto"} {`
256			`# Find out how we are going to pack the scrollbars`
257			`#`
258			`set spec [tixScrolledWidget:CheckScrollbars $w $scbW $scbH]`
259
260			`foreach xspec [lrange $data(-scrollbar) 1 end] {`
261			`case $xspec {`
262			`+x {`
263			`set spec [expr $spec \| 10]`
264			`}`
265			`-x {`
266			`set spec [expr $spec & 01]`
267			`}`
268			`+y {`
269			`set spec [expr $spec \| 01]`
270			`}`
271			`-y {`
272			`set spec [expr $spec & 10]`
273			`}`
274			`}`
275			`}`
276			`if {$spec == 0} {`
277			`set spec 00`
278			`}`
279			`if {$spec == 1} {`
280			`set spec 01`
281			`}`
282			`} else {`
283			`case $data(-scrollbar) in {`
284			`none {`
285			`set spec 00`
286			`}`
287			`x {`
288			`set spec 10`
289			`}`
290			`y {`
291			`set spec 01`
292			`}`
293			`both {`
294			`set spec 11`
295			`}`
296			`}`
297			`}`
298
299
300			`if {$data(lastSpec)==$spec && $data(lastMW)==$mw && $data(lastMH)==$mh} {`
301			`if {$data(lastScbW) == $scbW && $data(lastScbH) == $scbH} {`
302			`tixCallMethod $w PlaceWindow`
303			`set data(repack) 0`
304			`return`
305			`}`
306			`}`
307
308			`set vsbH [expr $mh - $data(vsbPadY)]`
309			`set hsbW [expr $mw - $data(hsbPadX)]`
310
311			`if {$vsbH < 1} {`
312			`set vsbH 1`
313			`}`
314			`if {$hsbW < 1} {`
315			`set hsbW 1`
316			`}`
317
318			`case $spec in {`
319			`"00" {`
320			`tixMoveResizeWindow $client 0 0 $mw $mh`
321
322			`tixMapWindow $client`
323			`tixUnmapWindow $data(w:hsb)`
324			`tixUnmapWindow $data(w:vsb)`
325			`}`
326			`"01" {`
327			`tixMoveResizeWindow $client 0 0 $cw $mh`
328			`tixMoveResizeWindow $data(w:vsb) $scbx $data(vsbPadY) $scbW $vsbH`
329
330			`tixMapWindow $client`
331			`tixUnmapWindow $data(w:hsb)`
332			`tixMapWindow $data(w:vsb)`
333			`}`
334			`"10" {`
335			`tixMoveResizeWindow $client 0 0 $mw $ch`
336			`tixMoveResizeWindow $data(w:hsb) $data(hsbPadX) $scby $hsbW $scbH`
337
338			`tixMapWindow $client`
339			`tixMapWindow $data(w:hsb)`
340			`tixUnmapWindow $data(w:vsb)`
341			`}`
342			`"11" {`
343			`set vsbH [expr $ch - $data(vsbPadY)]`
344			`set hsbW [expr $cw - $data(hsbPadX)]`
345			`if {$vsbH < 1} {`
346			`set vsbH 1`
347			`}`
348			`if {$hsbW < 1} {`
349			`set hsbW 1`
350			`}`
351
352			`tixMoveResizeWindow $client 0 0 $cw $ch`
353			`tixMoveResizeWindow $data(w:vsb) $scbx $data(vsbPadY) $scbW $vsbH`
354			`tixMoveResizeWindow $data(w:hsb) $data(hsbPadX) $scby $hsbW $scbH`
355			`if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {`
356			`tixMoveResizeWindow $data(w:sizebox) $scbx $scby $scbW $scbH`
357			`}`
358
359			`tixMapWindow $client`
360			`tixMapWindow $data(w:hsb)`
361			`tixMapWindow $data(w:vsb)`
362			`if {$data(-sizebox) && $tcl_platform(platform) == "windows"} {`
363			`tixMapWindow $data(w:sizebox)`
364			`}`
365			`}`
366			`}`
367
368			`set data(lastSpec) $spec`
369			`set data(lastMW) $mw`
370			`set data(lastMH) $mh`
371			`set data(lastScbW) $scbW`
372			`set data(lastScbH) $scbH`
373
374			`tixCallMethod $w PlaceWindow`
375			`set data(repack) 0`
376			`}`
377
378			`proc tixScrolledWidget:PlaceWindow {w} {`
379			`# virtual base function`
380			`}`
381
382			`#`
383			`# Helper function`
384			`#`
385			`proc tixScrolledWidget:NeedScrollbar {w axis} {`
386			`upvar #0 $w data`
387
388			`if {$data($axis,first) > 0.0} {`
389			`return 1`
390			`}`
391
392			`if {$data($axis,last) < 1.0} {`
393			`return 1`
394			`}`
395
396			`return 0`
397			`}`
398
399			`# Return whether H and V needs scrollbars in a list of two booleans`
400			`#`
401			`#`
402			`proc tixScrolledWidget:CheckScrollbars {w scbW scbH} {`
403			`upvar #0 $w data`
404
405			`set mW [winfo width $w]`
406			`set mH [winfo height $w]`
407
408			`set info [tixCallMethod $w GeometryInfo $mW $mH]`
409
410			`if {$info != ""} {`
411			`set xSpec [lindex $info 0]`
412			`set ySpec [lindex $info 1]`
413
414			`set data(x,first) [lindex $xSpec 0]`
415			`set data(x,last) [lindex $xSpec 1]`
416
417			`set data(y,first) [lindex $ySpec 0]`
418			`set data(y,last) [lindex $ySpec 1]`
419			`}`
420
421			`set needX [tixScrolledWidget:NeedScrollbar $w x]`
422			`set needY [tixScrolledWidget:NeedScrollbar $w y]`
423
424			`if {[winfo ismapped $w]==0} {`
425			`return "$needX$needY"`
426			`}`
427
428			`if {$needX && $needY} {`
429			`return 11`
430			`}`
431
432			`if {$needX == 0 && $needY == 0} {`
433			`return 00`
434			`}`
435
436			`if {$needX} {`
437			`set mH [expr $mH - $scbH]`
438			`}`
439			`if {$needY} {`
440			`set mW [expr $mW - $scbW]`
441			`}`
442
443			`set info [tixCallMethod $w GeometryInfo $mW $mH]`
444			`if {$info != ""} {`
445			`set xSpec [lindex $info 0]`
446			`set ySpec [lindex $info 1]`
447
448			`set data(x,first) [lindex $xSpec 0]`
449			`set data(x,last) [lindex $xSpec 1]`
450
451			`set data(y,first) [lindex $ySpec 0]`
452			`set data(y,last) [lindex $ySpec 1]`
453			`}`
454
455			`set needX [tixScrolledWidget:NeedScrollbar $w x]`
456			`set needY [tixScrolledWidget:NeedScrollbar $w y]`
457
458			`return "$needX$needY"`
459			`}`
460
461			`#----------------------------------------------------------------------`
462			`# Following is a bunch of crap. Not needed in TK 4.0.`
463			`#----------------------------------------------------------------------`
464
465			`#----------------------------------------------------------------------`
466			`# Keyboard events -`
467			`#`
468			`# Raw event handlers: redirect binding events to class methods`
469			`#`
470			`proc tixScrolledWidget:RawUpKey {w} {`
471			`tixCallMethod $w HandleLineUp`
472			`}`
473
474			`proc tixScrolledWidget:RawDownKey {w} {`
475			`tixCallMethod $w HandleLineDown`
476			`}`
477
478			`proc tixScrolledWidget:RawLeftKey {w} {`
479			`tixCallMethod $w HandleLeftKey`
480			`}`
481
482			`proc tixScrolledWidget:RawRightKey {w} {`
483			`tixCallMethod $w HandleRightKey`
484			`}`
485
486			`proc tixScrolledWidget:RawPriorKey {w} {`
487			`tixCallMethod $w HandlePageUp`
488			`}`
489
490			`proc tixScrolledWidget:RawNextKey {w} {`
491			`tixCallMethod $w HandlePageDown`
492			`}`
493
494			`# Virtual event handlers: subclasses can derive from these functions`
495			`#`
496
497			`proc tixScrolledWidget:HandleLineUp {w} {}`
498
499			`proc tixScrolledWidget:HandleLineDown {w} {}`
500
501			`proc tixScrolledWidget:HandlePageUp {w} {}`
502
503			`proc tixScrolledWidget:HandlePageDown {w} {}`
504
505			`proc tixScrolledWidget:HandleLeftKey {w} {}`
506
507			`proc tixScrolledWidget:HandleRightKey {w} {}`