396 lines
13 KiB
Text
396 lines
13 KiB
Text
# GDBToolBar
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# Copyright (C) 2000 Red Hat, Inc.
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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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# Implements a toolbar.
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#
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# PUBLIC ATTRIBUTES:
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#
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#
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# METHODS:
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#
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# configure ....... used to change public attributes
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#
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# PRIVATE METHODS
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#
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# X11 OPTION DATABASE ATTRIBUTES
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#
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#
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# ----------------------------------------------------------------------
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itcl::class GDBToolBar {
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inherit itk::Widget
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# ------------------------------------------------------------------
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# CONSTRUCTOR - create widget
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# ------------------------------------------------------------------
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constructor {args} {
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# Make a subframe so that the menu can't accidentally conflict
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# with a name created by some subclass.
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set ButtonFrame [frame $itk_interior.t]
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pack $ButtonFrame $itk_interior -fill both -expand true
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eval itk_initialize $args
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}
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# ------------------------------------------------------------------
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# DESTRUCTOR - destroy window containing widget
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# ------------------------------------------------------------------
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destructor {
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#destroy $this
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}
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# ------------------------------------------------------------------
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# METHOD: show - show the toolbar
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# ------------------------------------------------------------------
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public method show {} {
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if {[llength $button_list]} {
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eval standard_toolbar $ButtonFrame $button_list
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}
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}
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# ------------------------------------------------------------------
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# METHOD: set_class_state - standard method to control state by class
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# ------------------------------------------------------------------
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public method set_class_state {enable_list} {
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debug "Enable list is: $enable_list"
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foreach {type state} $enable_list {
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# debug $type
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if {[info exists button_classes($type)]} {
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set class_list $button_classes($type)
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if {[llength $class_list]} {
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# debug "$type $state \{$class_list\}"
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foreach button $class_list {
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# debug "$type $button $state"
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itemconfigure $button -state $state
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}
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}
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}
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}
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}
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####################################################################
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# Methods that deal with buttons.
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####################################################################
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# ------------------------------------------------------------------
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# METHOD: add - Add something.
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# It can be a button a separator or a label.
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#
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# type - what we want to add
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# args - arguments appropriate to what is being added
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#
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# ------------------------------------------------------------------
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method add {type args} {
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switch $type {
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button {
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eval toolbar_add_button $args
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}
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label {
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eval toolbar_add_label $args
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}
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separator {
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toolbar_add_button_separator
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}
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custom {
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eval toolbar_add_custom $args
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}
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default {
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error "Invalid item type: $type"
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}
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}
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_add_button - Creates a button, and inserts
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# it at the end of the button list. Call this when
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# the toolbar is being set up, but has not yet been
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# made.
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# ------------------------------------------------------------------
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private method toolbar_add_button {name class command balloon args} {
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lappend button_list \
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[eval _register_button 1 \$name \$class \$command \$balloon $args]
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_add_label - Create a label to be inserted
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# in the toolbar.
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# ------------------------------------------------------------------
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private method toolbar_add_label {name text balloon args} {
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set lname $ButtonFrame.$name
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set Buttons($name) $lname
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set Buttons($lname,align) $button_align
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eval label $lname -text \$text $args
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balloon register $lname $balloon
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lappend button_list $lname
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_add_custom - Create a user defined widget
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# to be inserted in the toolbar.
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# ------------------------------------------------------------------
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private method toolbar_add_custom {name createCmd balloon args} {
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set wname $ButtonFrame.$name
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set Buttons($name) $wname
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set Buttons($wname,align) $button_align
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eval $createCmd $wname $args
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balloon register $wname $balloon
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lappend button_list $wname
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_add_button_separator -
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# ------------------------------------------------------------------
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private method toolbar_add_button_separator {} {
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lappend button_list -
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: _register_button - Creates all the bookkeeping
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# for a button, without actually inserting it in the toolbar.
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# If the button will not be immediately inserted (INS == 0),
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# sets its bindings and appearences to the same of a
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# standard_toolbar button.
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# ------------------------------------------------------------------
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private method _register_button {ins name class command balloon args} {
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set bname $ButtonFrame.$name
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set Buttons($name) $bname
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set Buttons($bname,align) $button_align
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eval button $bname -command \$command $args
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balloon register $bname $balloon
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foreach elem $class {
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switch $elem {
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None {}
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default {
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lappend button_classes($elem) $name
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}
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}
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}
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# If the button is not going to be inserted now...
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if {! $ins} {
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# This is a bit of a hack, but I need to bind the standard_toolbar bindings
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# and appearances to these externally, since I am not inserting them in
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# the original toolbar...
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# FIXME: Have to add a method to the libgui toolbar to do this.
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# Make sure the button acts the way we want, not the default Tk way.
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$bname configure -takefocus 0 -highlightthickness 0 \
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-relief flat -borderwidth 1
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set index [lsearch -exact [bindtags $bname] Button]
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bindtags $bname [lreplace [bindtags $bname] $index $index ToolbarButton]
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}
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return $bname
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}
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# ------------------------------------------------------------------
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# METHOD: create - Creates all the bookkeeping for a button,
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# without actually inserting it in the toolbar.
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# ------------------------------------------------------------------
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method create {name class command balloon args} {
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return [eval _register_button 0 \$name \$class \$command \$balloon $args]
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}
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# ------------------------------------------------------------------
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# METHOD: itemconfigure -
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# ------------------------------------------------------------------
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method itemconfigure {button args} {
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eval $Buttons($button) configure $args
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}
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# ------------------------------------------------------------------
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# METHOD: itembind -
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# ------------------------------------------------------------------
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method itembind {button key cmd} {
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eval [list bind $Buttons($button) $key $cmd]
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}
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# ------------------------------------------------------------------
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# METHOD: itemballoon -
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# ------------------------------------------------------------------
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method itemballoon {button text} {
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eval [list balloon register $Buttons($button) $text]
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_insert_button - Inserts button "name" before
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# button "before".
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# The toolbar must be made, and the buttons must have been
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# created before you run this.
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# ------------------------------------------------------------------
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private method toolbar_insert_button {name before} {
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if {[string first "-" $name] == 0} {
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set name [string range $name 1 end]
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set add_sep 1
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} else {
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set add_sep 0
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}
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if {![info exists Buttons($name)] || ![info exists Buttons($before)]} {
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error "toolbar_insert_buttons called with non-existant button"
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}
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set before_col [gridCGet $Buttons($before) -column]
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set before_row [gridCGet $Buttons($before) -row]
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set slaves [grid slaves $ButtonFrame]
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set incr [expr 1 + $add_sep]
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foreach slave $slaves {
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set slave_col [gridCGet $slave -column]
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if {$slave_col >= $before_col} {
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grid configure $slave -column [expr $slave_col + $incr]
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}
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}
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if {$add_sep} {
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grid $Buttons(-$name) -column $before_col -row $before_row
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}
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# Now grid our button. Have to put in the pady since this button
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# may not have been originally inserted by the libgui toolbar
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# proc.
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grid $Buttons($name) -column [expr $before_col + $add_sep] \
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-row $before_row -pady 2
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}
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# ------------------------------------------------------------------
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# PRIVATE METHOD: toolbar_remove_button -
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# ------------------------------------------------------------------
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private method toolbar_remove_button {name} {
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if {[string first "-" $name] == 0} {
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set name [string range $name 1 end]
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set remove_sep 1
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} else {
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set remove_sep 0
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}
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if {![info exists Buttons($name)] } {
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error "toolbar_remove_buttons called with non-existant button $name"
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}
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set name_col [gridCGet $Buttons($name) -column]
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set name_row [gridCGet $Buttons($name) -row]
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grid remove $Buttons($name)
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if {$remove_sep} {
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set Buttons(-$name) [grid slaves $ButtonFrame \
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-column [expr $name_col - 1] \
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-row $name_row]
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grid remove $Buttons(-$name)
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}
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set slaves [grid slaves $ButtonFrame -row $name_row]
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foreach slave $slaves {
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set slave_col [gridCGet $slave -column]
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if {($slave_col > $name_col)
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&& ! ([info exists Buttons($slave,align)]
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&& $Buttons($slave,align) == "right")} {
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grid configure $slave -column [expr $slave_col - 1 - $remove_sep]
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}
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}
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}
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# ------------------------------------------------------------------
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# METHOD: toolbar_button_right_justify -
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# ------------------------------------------------------------------
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method toolbar_button_right_justify {} {
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lappend button_list --
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set button_align "right"
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}
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# ------------------------------------------------------------------
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# METHOD: toolbar_swap_button_lists -
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# ------------------------------------------------------------------
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method toolbar_swap_button_lists {in_list out_list} {
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# Now swap out the buttons...
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set first_out [lindex $out_list 0]
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if {[info exists Buttons($first_out)] && [grid info $Buttons($first_out)] != ""} {
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foreach button $in_list {
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toolbar_insert_button $button $first_out
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}
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foreach button $out_list {
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toolbar_remove_button $button
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}
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} elseif {[info exists Buttons($first_out)]} {
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debug "Error in swap_button_list - $first_out not gridded..."
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} else {
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debug "Button $first_out is not in button list"
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}
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}
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####################################################################
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#
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# PRIVATE DATA
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#
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####################################################################
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# This is the list of buttons that are being built up
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#
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private variable button_list {}
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# This is an array of buttons names -> Tk Window names
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# and also of Tk Window names -> column position in grid
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private variable Buttons
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# This array holds the button classes. The key is the class name,
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# and the value is the list of buttons belonging to this class.
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private variable button_classes
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# Tell if we are inserting buttons left or right justified
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private variable button_align "left"
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#The frame to contain the buttons:
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private variable ButtonFrame
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####################################################################
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#
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# PROTECTED DATA
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#
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####################################################################
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# None.
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####################################################################
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#
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# PUBLIC DATA
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#
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####################################################################
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# None.
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}
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