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markom |
# Memory display preferences window for GDBtk.
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# Copyright 1998, 1999 Cygnus Solutions
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License (GPL) as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# ------------------------------------------------------------------
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# METHOD: constructor - build the dialog
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# ------------------------------------------------------------------
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body MemPref::constructor {args} {
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window_name "Memory Preferences"
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eval itk_initialize $args
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if {$float_size == ""} {
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set float_size [gdb_eval sizeof(float)]
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set double_size [gdb_eval sizeof(double)]
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}
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if {[string compare $format f] == 0} {
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set gformat x
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set format_disabled 1
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if {$size == $float_size} {
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set gsize 3
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} elseif {$size == $double_size} {
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set gsize 5
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}
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} else {
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set gsize $size
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set gformat $format
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}
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set gnumbytes $numbytes
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set gbpr $bpr
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set gascii $ascii
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set gascii_char $ascii_char
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build_win
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if {$format_disabled} {
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set format_disabled 0
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disable_format
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}
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wm resizable [winfo toplevel $itk_interior] 0 0
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}
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# ------------------------------------------------------------------
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# METHOD: destructor - destroy the dialog
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# ------------------------------------------------------------------
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body MemPref::destructor {} {
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trace vdelete [scope gnumbytes] w [code $this check_numbytes]
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}
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# ------------------------------------------------------------------
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# METHOD: build_win - build the dialog
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# ------------------------------------------------------------------
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body MemPref::build_win {} {
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frame $itk_interior.f
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set f [frame $itk_interior.f.a]
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frame $itk_interior.f.b
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# SIZE
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Labelledframe $f.f1 -anchor nw -text Size
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set fr [$f.f1 get_frame]
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set Widgets(rb-Byte) [radiobutton $fr.1 -variable [scope gsize] -text Byte \
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-value 1 -command [code $this enable_format]]
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set Widgets(rb-half_word) [radiobutton $fr.2 -variable [scope gsize] -text "Half Word" \
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-value 2 -command [code $this enable_format]]
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set Widgets(rb-word) [radiobutton $fr.4 -variable [scope gsize] -text Word \
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-value 4 -command [code $this enable_format]]
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set Widgets(rb-d_word) [radiobutton $fr.8 -variable [scope gsize] -text "Double Word" \
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-value 8 -command [code $this enable_format]]
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set Widgets(rb-float) [radiobutton $fr.f -variable [scope gsize] -text Float \
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-value 3 -command [code $this disable_format]]
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set Widgets(rb-d_float) [radiobutton $fr.d -variable [scope gsize] -text "Double Float" \
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-value 5 -command [code $this disable_format]]
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grid $fr.1 $fr.4 $fr.f -sticky w -padx 4
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grid $fr.2 $fr.8 $fr.d -sticky w -padx 4
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# FORMAT
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Labelledframe $f.f2 -anchor nw -text Format
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set fr [$f.f2 get_frame]
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set Widgets(rb-binary) [radiobutton $fr.1 -variable [scope gformat] \
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-text Binary -value t]
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set Widgets(rb-octal) [radiobutton $fr.2 -variable [scope gformat] \
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-text Octal -value o]
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set Widgets(rb-hex) [radiobutton $fr.3 -variable [scope gformat] \
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-text Hex -value x]
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set Widgets(rb-signed_dec) [radiobutton $fr.4 -variable [scope gformat] \
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-text "Signed Decimal" -value d]
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set Widgets(rb-unsign_dec) [radiobutton $fr.5 -variable [scope gformat] \
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-text "Unsigned Decimal" -value u]
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grid $fr.1 $fr.2 $fr.3 -sticky w -padx 4
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grid $fr.4 $fr.5 x -sticky w -padx 4
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# TOTAL BYTES
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Labelledframe $f.fx -anchor nw -text "Number of Bytes"
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if {$gnumbytes == 0} {
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set gnumbytes $default_numbytes
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set gvar 0
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} else {
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set gvar 1
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}
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set fr [$f.fx get_frame]
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set Widgets(rb-win_size) [radiobutton $fr.1 -variable [scope gvar] -text "Depends on window size" \
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-value 0 -command [code $this toggle_size_control]]
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frame $fr.2
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set Widgets(rb-fixed) [radiobutton $fr.2.b -variable [scope gvar] -text Fixed \
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-value 1 -command [code $this toggle_size_control]]
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set old_numbytes $default_numbytes
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set Widgets(e-numbytes) [entry $fr.2.e -textvariable [scope gnumbytes] -width 3]
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set normal_background [$Widgets(e-numbytes) cget -background]
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#
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# Trace gnumbytes so it will always be a +'ve integer... Have to set this
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# trace AFTER the widget's textvariable is set so this trace will fire
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# BEFORE the widget's trace.
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#
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trace variable [scope gnumbytes] w [code $this check_numbytes]
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label $fr.2.l -text bytes
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grid $fr.2.b $fr.2.e $fr.2.l -sticky we
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grid $fr.1 x -sticky w -padx 4
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grid $fr.2 x -sticky w -padx 4
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grid columnconfigure $fr 1 -weight 1
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# MISC
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Labelledframe $f.1 -anchor nw -text "Miscellaneous"
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set fr [$f.1 get_frame]
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frame $fr.1
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label $fr.1.plabel -height 1 -width 1 -bg $color -relief raised
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set Widgets(b-color) [button $fr.1.pc -text "Change color..." \
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-command [code $this pick $fr.1.plabel]]
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grid $fr.1.plabel $fr.1.pc
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frame $fr.2
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label $fr.2.l -text "Bytes Per Row "
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set Widgets(b-bytes_per_row) [::combobox::combobox $fr.2.c \
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-command [code $this set_bytes_per_row] \
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-width 4 -editable 0 -font src-font]
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$fr.2.c list insert end 4
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$fr.2.c list insert end 8
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$fr.2.c list insert end 16
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$fr.2.c list insert end 32
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$fr.2.c list insert end 64
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$fr.2.c list insert end 128
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$fr.2.c configure -value $gbpr
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pack $fr.2.l -side left -anchor e
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pack $fr.2.c -side right
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set Widgets(cb-display_ascii) [checkbutton $fr.3 -variable [scope gascii] -text "Display ASCII"]
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frame $fr.4
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set Widgets(e-ascii_char) [entry $fr.4.e -textvariable [scope gascii_char] -width 1]
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label $fr.4.l -text "Control Char"
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grid $fr.4.e $fr.4.l -sticky we
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grid $fr.2 x $fr.3 -sticky w -padx 4
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grid $fr.4 -sticky w -padx 4
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grid columnconfigure $fr 1 -weight 1
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grid $f.f1 -padx 5 -pady 6 -sticky news
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grid $f.f2 -padx 5 -pady 6 -sticky news
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grid $f.fx -padx 5 -pady 6 -sticky news
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grid $f.1 -padx 5 -pady 6 -sticky we
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set Widgets(b-ok) [button $itk_interior.f.b.ok -text OK -command [code $this ok] -width 7 -default active]
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focus $Widgets(b-ok)
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# If there is an OK button, set Return in the entry field to invoke it...
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bind $Widgets(e-numbytes) "$Widgets(b-ok) flash ; $Widgets(b-ok) invoke"
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set Widgets(b-cancel) [button $itk_interior.f.b.quit -text Cancel -command [code $this cancel] -width 7]
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set Widgets(b-apply) [button $itk_interior.f.b.apply -text Apply -command [code $this apply] -width 7]
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standard_button_box $itk_interior.f.b
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grid $itk_interior.f.a
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grid $itk_interior.f.b -sticky news
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grid $itk_interior.f
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#
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# Set the state of the window size entry here...
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#
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toggle_size_control
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}
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# ------------------------------------------------------------------
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# METHOD: busy - make the widget unusable
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# ------------------------------------------------------------------
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body MemPref::busy {} {
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set top [winfo toplevel $itk_interior]
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$top configure -cursor watch
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# Disable all the radiobuttons and what not
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foreach w [array names Widgets] {
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set WidgetState($w) [$Widgets($w) cget -state]
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}
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foreach w [array names Widgets] {
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$Widgets($w) configure -state disabled
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}
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}
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# ------------------------------------------------------------------
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# METHOD: idle - make the widget useable
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# ------------------------------------------------------------------
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body MemPref::idle {} {
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set top [winfo toplevel $itk_interior]
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$top configure -cursor {}
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# Re-enable all widgets
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foreach w [array names Widgets] {
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$Widgets($w) configure -state $WidgetState($w)
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}
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}
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# ------------------------------------------------------------------
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# METHOD: ok - apply and quit
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# ------------------------------------------------------------------
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body MemPref::ok {} {
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apply
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unpost
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}
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# ------------------------------------------------------------------
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# METHOD: cancel - just close the dialog w/o saving changes
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# ------------------------------------------------------------------
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body MemPref::cancel {} {
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unpost
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}
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# ------------------------------------------------------------------
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# METHOD: check_numbytes - a trace to make sure gnumbytes is an int > 0
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# ------------------------------------------------------------------
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body MemPref::check_numbytes {var index mode} {
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upvar \#0 $var true
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if {($true != "") && ([catch {expr {(int($true) != double($true)) || $true <= 0}} val]
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|| $val)} {
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bell
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set true $old_numbytes
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} else {
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set old_numbytes $true
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}
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}
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# ------------------------------------------------------------------
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# METHOD: set_bytes_per_row - combobox callback to set the bytes per row
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# ------------------------------------------------------------------
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body MemPref::set_bytes_per_row {w value} {
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set gbpr $value
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}
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# ------------------------------------------------------------------
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# METHOD: toggle_size_control - toggle the state of the entry box as the
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# control method changes
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# ------------------------------------------------------------------
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body MemPref::toggle_size_control {} {
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if {$gvar} {
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$Widgets(e-numbytes) configure -state normal \
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-background $normal_background
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} else {
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$Widgets(e-numbytes) configure -state disabled -background lightgray
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if {[info exists Widgets(b-ok)]} {
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focus $Widgets(b-ok)
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}
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}
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}
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# ------------------------------------------------------------------
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# METHOD: apply - apply changes to the parent window
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# ------------------------------------------------------------------
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body MemPref::apply {} {
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busy
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gdbtk_busy
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if {$gvar == 0} {
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set numbytes 0
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} elseif {$gnumbytes == "" || $gnumbytes == 0} {
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# Protect against the case where someone sets the
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# entry field to an empty string, or pastes in a 0...
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bell
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set gnumbytes $default_numbytes
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set numbytes $gnumbytes
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} else {
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set numbytes $gnumbytes
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}
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switch $gsize {
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3 {
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set size $float_size
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set format f
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}
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5 {
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set size $double_size
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set format f
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}
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default {
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set size $gsize
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set format $gformat
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}
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}
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# pass all the changed values back to parent
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debug "$win configChange -size $size -numbytes $numbytes \
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| 322 |
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-format $format -ascii $gascii \
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| 323 |
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-ascii_char $gascii_char -bytes_per_row $gbpr \
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| 324 |
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-color $color"
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| 325 |
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eval $win configure -size $size -numbytes $numbytes \
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| 326 |
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-format $format -ascii $gascii \
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-ascii_char $gascii_char -bytes_per_row $gbpr \
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| 328 |
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-color $color
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| 329 |
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$win reconfig
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| 331 |
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gdbtk_idle
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idle
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}
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# ------------------------------------------------------------------
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|
|
# METHOD: enable_format - turn on the format radio buttons
|
| 338 |
|
|
# ------------------------------------------------------------------
|
| 339 |
|
|
body MemPref::enable_format {} {
|
| 340 |
|
|
if {!$format_disabled} {
|
| 341 |
|
|
return
|
| 342 |
|
|
}
|
| 343 |
|
|
|
| 344 |
|
|
foreach widget {rb-binary rb-octal rb-hex rb-signed_dec rb-unsign_dec} {
|
| 345 |
|
|
$Widgets($widget) configure -state normal
|
| 346 |
|
|
}
|
| 347 |
|
|
set format_disabled 0
|
| 348 |
|
|
}
|
| 349 |
|
|
|
| 350 |
|
|
|
| 351 |
|
|
# ------------------------------------------------------------------
|
| 352 |
|
|
# METHOD: disable_format - turn off the format radio buttons
|
| 353 |
|
|
# ------------------------------------------------------------------
|
| 354 |
|
|
body MemPref::disable_format {} {
|
| 355 |
|
|
if {$format_disabled} {
|
| 356 |
|
|
return
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
foreach widget {rb-binary rb-octal rb-hex rb-signed_dec rb-unsign_dec} {
|
| 360 |
|
|
$Widgets($widget) configure -state disabled
|
| 361 |
|
|
}
|
| 362 |
|
|
set format_disabled 1
|
| 363 |
|
|
}
|
| 364 |
|
|
|
| 365 |
|
|
# ------------------------------------------------------------------
|
| 366 |
|
|
# METHOD: pick - pick colors
|
| 367 |
|
|
# ------------------------------------------------------------------
|
| 368 |
|
|
body MemPref::pick {lab} {
|
| 369 |
|
|
set new_color [tk_chooseColor -initialcolor $color -title "Choose color"]
|
| 370 |
|
|
if {$new_color != $color && $new_color != ""} {
|
| 371 |
|
|
set color $new_color
|
| 372 |
|
|
$lab configure -bg $color
|
| 373 |
|
|
}
|
| 374 |
|
|
}
|
| 375 |
|
|
|
| 376 |
|
|
|
| 377 |
|
|
# ------------------------------------------------------------------
|
| 378 |
|
|
# METHOD: reconfig - used when preferences change
|
| 379 |
|
|
# ------------------------------------------------------------------
|
| 380 |
|
|
body MemPref::reconfig {} {
|
| 381 |
|
|
# for now, just delete and recreate
|
| 382 |
|
|
destroy $itk_interior.f
|
| 383 |
|
|
build_win
|
| 384 |
|
|
}
|
| 385 |
|
|
|
