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# PluginWindow
# Copyright 2001 Red Hat, Inc.
#
# 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.
# ----------------------------------------------------------------------
# Implements a menu and a toolbar that are attached to a source window.
#
# PUBLIC ATTRIBUTES:
#
#
# METHODS:
#
# configure ....... used to change public attributes
#
# PRIVATE METHODS
#
# X11 OPTION DATABASE ATTRIBUTES
#
#
# ----------------------------------------------------------------------
itcl::class PluginWindow {
inherit ManagedWin GDBEventHandler
# ------------------------------------------------------------------
# CONSTRUCTOR - create widget
# ------------------------------------------------------------------
constructor {args} {
# Create a menu widget for the plug-in window
set menubar [GDBMenuBar $itk_interior.menubar]
# Create a toolbar widget for the plug-in window
set toolbar [GDBToolBar $itk_interior.toolbar]
# Pack the toolbar
pack $toolbar -expand 1 -fill both
# Create a frame for the subclass to use
set child [frame $itk_interior.child]
# Pack the childsite
pack $child -expand 1 -fill both
eval itk_initialize $args
add_hook gdb_no_inferior_hook [code $this no_inferior]
}
# ------------------------------------------------------------------
# DESTRUCTOR - destroy window containing widget
# ------------------------------------------------------------------
destructor {
remove_hook gdb_no_inferior_hook [code $this no_inferior]
#destroy $this
}
# ------------------------------------------------------------------
# ACCESSOR METHOD - Retrieve childsite
# ------------------------------------------------------------------
public method childsite {} {
return $child
}
# Don't automatically reload plugins.
protected method _ignore_on_save {} { return 1 }
####################################################################
#
# State control methods used by both the menu and the toolbar
#
####################################################################
# ------------------------------------------------------------------
# METHOD: idle - handle IdleEvent
# ------------------------------------------------------------------
protected method idle {event} {
debug "PluginWindow::idle"
enable_ui 1
}
# ------------------------------------------------------------------
# METHOD: busy - BusyEvent handler
# Invoked when gdb is going to run the inferior
# ------------------------------------------------------------------
public method busy {event} {
debug "PluginWindow::busy"
enable_ui 0
}
# ------------------------------------------------------------------
# METHOD: no_inferior
# Invoked when gdb detects the inferior is gone
# ------------------------------------------------------------------
protected method no_inferior {} {
debug
enable_ui 2
}
####################################################################
# The following method enables/disables both menus and buttons.
####################################################################
# ------------------------------------------------------------------
# METHOD: enable_ui - enable/disable the appropriate buttons and menus
# Called from the busy, idle, and no_inferior hooks.
#
# on must be:
# value Control Other State
# 0 off off gdb is busy
# 1 on on gdb has inferior, and is idle
# 2 off on gdb has no inferior, and is idle
# ------------------------------------------------------------------
public method enable_ui {on} {
global tcl_platform
debug "$on"
# Do the enabling so that all the disabling happens first, this way if a
# button belongs to two groups, enabling takes precedence, which is
# probably right.
switch $on {
0 {
# Busy
set enable_list {Control disabled \
Other disabled}
}
1 {
# Idle, with inferior
set enable_list {Control normal \
Other normal}
}
2 {
# Idle, no inferior
set enable_list {Control disabled \
Other normal}
}
default {
debug "Unknown type: $on in enable_ui"
return
}
}
$menubar set_class_state $enable_list
$toolbar set_class_state $enable_list
}
####################################################################
#
# PRIVATE DATA
#
####################################################################
# The childsite
private variable child
####################################################################
#
# PROTECTED DATA
#
####################################################################
# The GdbMenuBar component
protected variable menubar
# The GdbToolBar component
protected variable toolbar
####################################################################
#
# PUBLIC DATA
#
####################################################################
# None.
}
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