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Diffstat (limited to 'gdb/gdbtk/library/helpviewer.itb')
| -rw-r--r-- | gdb/gdbtk/library/helpviewer.itb | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/gdb/gdbtk/library/helpviewer.itb b/gdb/gdbtk/library/helpviewer.itb deleted file mode 100644 index a366b689979..00000000000 --- a/gdb/gdbtk/library/helpviewer.itb +++ /dev/null @@ -1,286 +0,0 @@ -# Viewer for HTML help info -# Copyright 1998, 1999 Cygnus Solutions -# -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License (GPL) as published by -# the Free Software Foundation; either version 2 of the License, or (at -# your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - - -# ----------------------------------------------------------------------------- -# NAME: -# HtmlViewer::constructor -# -# SYNOPSIS: -# constructor args -# -# DESC: -# Creates the Help Viewer window. -# ----------------------------------------------------------------------------- -body HtmlViewer::constructor {args} { - window_name "Help" - eval itk_initialize $args - _buildwin -} - - -# ----------------------------------------------------------------------------- -# NAME: -# private method HtmlViewer::_buildwin -# -# SYNOPSIS: -# _buildwin args -# -# DESC: -# This function is called by the constructor to build the widget. It -# creates pulldown menus, buttons, a stack, and a scrolledhtml widget. -# Finally it loads help/index.html. This last step should change if -# this widget is ever used for anything but help. -# ----------------------------------------------------------------------------- -body HtmlViewer::_buildwin {} { - global GDBTK_LIBRARY gdb_ImageDir - - set _links [PageStack \#auto] - - # create pulldown menu - set menu [menu $itk_interior.m -tearoff 0] - $menu add cascade -menu $menu.file -label "File" -underline 0 - set _m [menu $menu.file] - $_m add command -label "Back" -underline 0 -command "$this back" - $_m add command -label "Forward" -underline 0 -command "$this forward" - $_m add command -label "Home" -underline 0 -command "$this link $file" - $_m add separator - $_m add command -label "Close" -underline 0 -command "delete object $this" - $menu add cascade -menu $menu.topic -label "Topics" -underline 0 - set _t [menu $menu.topic] - foreach t $topics { - $_t add command -label [lindex $t 0] -command "$this link [lindex $t 1]" - } - [winfo toplevel $itk_interior] configure -menu $menu - - # create buttons - set _f [frame $itk_interior.b] - button $_f.back -command "$this back" \ - -image [image create photo -file [file join $gdb_ImageDir back.gif]] - button $_f.fore -command "$this forward" \ - -image [image create photo -file [file join $gdb_ImageDir fore.gif]] - button $_f.home -command "$this link $file" \ - -image [image create photo -file [file join $gdb_ImageDir home.gif]] - standard_toolbar $_f $_f.back $_f.fore $_f.home - - _enable 0 back fore - - # create html widget - set _html [iwidgets::scrolledhtml $itk_interior.a -linkcommand "$this link"] - - # get things going by loading index.html - $_html import [file join $GDBTK_LIBRARY help $file] - $_links push $file - - pack $_f -side top -fill x - pack $_html -expand yes -fill both - -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack::push -# SYNOPSIS: push val -# DESC: Pushes a value onto the stack. -# ----------------------------------------------------------------------------- -body PageStack::push {val} { - incr _ptr - incr _max - if {$_ptr < $_max} { - set _max $_ptr - } - set _stack($_ptr) $val -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack::back -# SYNOPSIS: back -# DESC: Moves the stack pointer back by one. -# RETURNS: Returns the value on the stack, or 0 on error. -# ----------------------------------------------------------------------------- -body PageStack::back {} { - if {$_ptr > 0} { - incr _ptr -1 - return $_stack($_ptr) - } - return 0 -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack::next -# SYNOPSIS: next -# DESC: Moves the stack pointer forward by one. -# RETURNS: Returns the value on the stack, or 0 on error. -# ----------------------------------------------------------------------------- -body PageStack::next {} { - if {$_ptr < $_max} { - incr _ptr - return $_stack($_ptr) - } - return 0 -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack:more -# SYNOPSIS: more -# DESC: Indicates if the stack pointer is not at the top. -# RETURNS: Returns 1 if PageStack::next will suceed, 0 otherwise. -# ----------------------------------------------------------------------------- -body PageStack::more {} { - if {$_ptr < $_max} { - return 1 - } - return 0 -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack:less -# SYNOPSIS: less -# DESC: Indicates if the stack pointer is not at the bottom of stack. -# RETURNS: Returns 1 if PageStack::back will suceed, 0 otherwise. -# ----------------------------------------------------------------------------- -body PageStack::less {} { - if {$_ptr > 0} { - return 1 - } - return 0 -} - -# ----------------------------------------------------------------------------- -# NAME: public method PageStack:current -# SYNOPSIS: current -# RETURNS: Returns the current value on the stack. -# ----------------------------------------------------------------------------- -body PageStack::current {} { - if {$_ptr > 0} { - return $_stack($_ptr) - } - return 0 -} - -# ------------------------------------------------------------------------------ -# NAME: -# private method HtmlViewer::_enable -# -# SYNOPSIS: -# _enable { on args } -# -# DESC: -# Enables or disables buttons and menus. -# -# ARGS: -# on - "1" to enable, "0" to disable -# args - things to enable/disable. May include "back", -# "fore", and "home" -# -# ------------------------------------------------------------------------------ -body HtmlViewer::_enable { on args } { - if {$on} { - set state normal - } else { - set state disabled - } - - foreach a $args { - switch $a { - back { - # set state of "back" - $_m entryconfigure 0 -state $state - $_f.back configure -state $state - } - fore { - # set state of "forward" - $_m entryconfigure 1 -state $state - $_f.fore configure -state $state - } - home { - # set state of "home" - $_m entryconfigure 2 -state $state - $_f.home configure -state $state - } - } - } -} - -# ------------------------------------------------------------------------------ -# NAME: public method HtmlViewer::back -# SYNOPSIS: back -# DESC: Moves to the previous page -# ------------------------------------------------------------------------------ -body HtmlViewer::back {} { - set res [$_links back] - if {$res != 0} { - load $res - if {![$_links less]} { - _enable 0 back - } - } -} - -# ------------------------------------------------------------------------------ -# NAME: public method HtmlViewer::forward -# SYNOPSIS: forward -# DESC: Moves to the next page -# ------------------------------------------------------------------------------ -body HtmlViewer::forward {} { - set res [$_links next] - if {$res != 0} { - load $res - if {![$_links more]} { - _enable 0 fore - } - } -} - -# ------------------------------------------------------------------------------ -# NAME: public method HtmlViewer::link -# SYNOPSIS: link page -# ARDS: page - link to the page to load -# DESC: Saves the page on the stack and calls the "load" method -# ------------------------------------------------------------------------------ -body HtmlViewer::link {page} { - if {$page != [$_links current]} { - $_links push $page - load $page - if {![$_links more]} { - _enable 0 fore - } - } -} - -# ------------------------------------------------------------------------------ -# NAME: private method HtmlViewer::load -# SYNOPSIS: load link -# DESC: Disables menus and buttons, sets cursor, loads a page into -# the html widget, then resets cursor and enables the menus -# and buttons -# ------------------------------------------------------------------------------ -body HtmlViewer::load {link} { - _enable 0 back fore home - $itk_interior configure -cursor watch - $_html import -link $link - $itk_interior configure -cursor "" - _enable 1 back fore home -} - -# ------------------------------------------------------------------------------ -# NAME: public proc HtmlViewer::open_help -# SYNOPSIS: HtmlViewer::open_help file -# DESC: If the prefs are set to use a browser, attempts -# to do so. Otherwise, uses builtin HtmlViewer class. -# ------------------------------------------------------------------------------ -body HtmlViewer::open_help {hfile} { - set link file://[file join $::GDBTK_LIBRARY help $hfile] - if {![pref get gdb/help/browser] || ![::open_url $link]} { - ManagedWin::open HtmlViewer -file $hfile - } -} |