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markom |
# Managed window for Insight.
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# Copyright 1998, 1999, 2000, 2001 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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# PUBLIC METHOD: constructor
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# ------------------------------------------------------------
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body ManagedWin::constructor {args} {
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#debug "$this args=$args"
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set _top [winfo toplevel $itk_interior]
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}
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# ------------------------------------------------------------
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# PUBLIC METHOD: destructor
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# ------------------------------------------------------------
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body ManagedWin::destructor {} {
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# If no toplevels remain, quit. However, check the quit_if_last
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# flag since we might be doing something like displaying a
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# splash screen at startup...
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if {!$numTopWins && [quit_if_last]} {
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gdb_force_quit
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} else {
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destroy_toplevel
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}
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}
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# ------------------------------------------------------------
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# PUBLIC METHOD: window_name - Set the name of the window
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# (and optionally its icon's name).
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# ------------------------------------------------------------
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body ManagedWin::window_name {wname {iname ""}} {
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wm title $_top $wname
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if {$iname != ""} {
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wm iconname $_top $iname
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} else {
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wm iconname $_top $wname
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}
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}
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# ------------------------------------------------------------
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# PUBLIC METHOD: pickle - This is the base class pickle
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# method. It returns a command that can be used to recreate
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# this particular window.
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# ------------------------------------------------------------
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body ManagedWin::pickle {} {
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return [list ManagedWin::open [namespace tail [info class]]]
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}
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# ------------------------------------------------------------
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# PUBLIC METHOD: reveal
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# ------------------------------------------------------------
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body ManagedWin::reveal {} {
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# Do this update to flush all changes before deiconifying the window.
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update idletasks
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raise $_top
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wm deiconify $_top
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# Some window managers (on unix) fail to honor the geometry unless
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# the window is visible.
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if {$_geometry != "" && $::tcl_platform(platform) == "unix"} {
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wm geometry $_top $_geometry
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set _geometry ""
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}
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#debug "$_top geometry=[wm geometry $_top] state=[wm state $_top]"
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# There used to be a `focus -force' here, but using -force is
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# unfriendly, so it was removed. It was then replaced with a simple
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# `focus $top'. However, this has no useful effect -- it just
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# resets the subwindow of $top which has the `potential' focus.
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# This can actually be confusing to the user.
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# NOT for Windows, though. Without the focus, we get, eg. a
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# register window on top of the source window, but the source window
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# will have the focus. This is not the proper model for Windows.
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if {$::tcl_platform(platform) == "windows"} {
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focus -force [focus -lastfor $_top]
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}
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}
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# ------------------------------------------------------------
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# PUBLIC PROC: restart
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# ------------------------------------------------------------
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body ManagedWin::restart {} {
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# This is needed in case we've called "gdbtk_busy" before the restart.
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# This will configure the stop/run button as necessary
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after idle gdbtk_idle
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# call the reconfig method for each object
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foreach obj [itcl_info objects -isa ManagedWin] {
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if {[catch {$obj reconfig} msg]} {
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dbug W "reconfig failed for $obj - $msg"
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}
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}
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}
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# ------------------------------------------------------------------
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# PUBLIC PROC: shutdown - This writes all the active windows to
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# the preferences file, so they can be restored at startup.
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# FIXME: Currently assumes only ONE window per type...
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# ------------------------------------------------------------------
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body ManagedWin::shutdown {} {
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set activeWins {}
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foreach win [itcl_info objects -isa ManagedWin] {
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if {![$win isa ModalDialog]} {
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set g [wm geometry [winfo toplevel [namespace tail $win]]]
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pref setd gdb/geometry/[namespace tail $win] $g
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lappend activeWins [$win pickle]
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}
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}
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pref set gdb/window/active $activeWins
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}
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# ------------------------------------------------------------------
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# PUBLIC PROC: startup - This restores all the windows that were
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# opened at shutdown.
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# FIXME: Currently assumes only ONE window per type...
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# ------------------------------------------------------------------
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body ManagedWin::startup {} {
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debug "Got active list [pref get gdb/window/active]"
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foreach cmd [pref get gdb/window/active] {
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eval $cmd
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}
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# If we open the source window, and a source window already exists,
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# then we end up raising it twice during startup. This yields an
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# annoying effect for the user: if the user tries the bury the
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# source window during startup, it will raise itself again. This
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# explains why we first check to see if a source window exists
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# before trying to create it -- raising the window is an inevitable
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# side effect of the creation process.
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if {[llength [find SrcWin]] == 0} {
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ManagedWin::open SrcWin
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}
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}
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# ------------------------------------------------------------
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# PUBLIC PROC: open_dlg
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# ------------------------------------------------------------
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body ManagedWin::open_dlg {class args} {
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set newwin [eval _open $class $args]
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if {$newwin != ""} {
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$newwin reveal
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$newwin post
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}
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}
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# ------------------------------------------------------------
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# PUBLIC PROC: open
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# ------------------------------------------------------------
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body ManagedWin::open {class args} {
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set newwin [eval _open $class $args]
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if {$newwin != ""} {
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if {[$newwin isa ModalDialog]} {
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parse_args [list {expire 0}]
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after idle "$newwin reveal; $newwin post 0 $expire"
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} else {
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after idle "$newwin reveal"
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}
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}
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return $newwin
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}
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# ------------------------------------------------------------
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# PRIVATE PROC: _open
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# ------------------------------------------------------------
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body ManagedWin::_open { class args } {
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debug "$class $args"
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parse_args force
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if {!$force} {
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# check all windows for one of this type
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foreach obj [itcl_info objects -isa ManagedWin] {
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if {[$obj isa $class]} {
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$obj reveal
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return $obj
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}
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}
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}
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# need to create a new window
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return [eval _create $class $args]
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}
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# ------------------------------------------------------------
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# PRIVATE PROC: _create
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# ------------------------------------------------------------
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body ManagedWin::_create { class args } {
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set win [string tolower $class]
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debug "win=$win args=$args"
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parse_args {center transient {over ""}}
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# increment window numbers until we get an unused one
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set i 0
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while {[winfo exists .$win$i]} { incr i }
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while { 1 } {
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set top [toplevel .$win$i]
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wm withdraw $top
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wm protocol $top WM_DELETE_WINDOW "destroy $top"
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wm group $top .
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set newwin $top.$win
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if {[catch {uplevel \#0 eval $class $newwin $args} msg]} {
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dbug E "object creation of $class failed: $msg"
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dbug E $::errorInfo
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if {[string first "object already exists" $msg] != -1} {
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# sometimes an object is still really around even though
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# [winfo exists] said it didn't exist. Check for this case
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# and increment the window number again.
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catch {destroy $top}
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incr i
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} else {
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return ""
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}
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} else {
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break
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}
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}
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if {[catch {pack $newwin -expand yes -fill both}]} {
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dbug W "packing of $newwin failed: $::errorInfo"
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return ""
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}
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wm maxsize $top $_screenwidth $_screenheight
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wm minsize $top 20 20
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update idletasks
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if {$over != ""} {
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# center new window
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center_window $top -over [winfo toplevel [namespace tail $over]]
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} elseif {$center} {
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center_window $top
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}
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if {$transient} {
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wm resizable $top 0 0
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wm transient $top .
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} elseif {$::tcl_platform(platform) == "unix"} {
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# Modal dialogs DONT get Icons...
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if {[pref get gdb/use_icons] && ![$newwin isa ModalDialog]} {
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set icon [_make_icon_window ${top}_icon]
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wm iconwindow $top $icon
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bind $icon "$newwin reveal"
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}
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}
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if {[info exists ::env(GDBTK_TEST_RUNNING)] && $::env(GDBTK_TEST_RUNNING)} {
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set g "+100+100"
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wm geometry $top $g
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wm positionfrom $top user
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} else {
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set g [pref getd gdb/geometry/$newwin]
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if {$g == "1x1+0+0"} {
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dbug E "bad geometry"
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set g ""
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}
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if {$g != ""} {
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# OK. We have a requested geometry. We know that it fits on the screen
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# because we set the maxsize. Now we have to make sure it will not be
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# displayed off the screen.
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set w 0; set h 0; set x 0; set y 0
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if {![catch {scan $g "%dx%d%d%d" w h x y} res]} {
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if {$x < 0} {
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set x [expr $_screenwidth + $x]
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}
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if {$y < 0} {
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set y [expr $_screenheight + $y]
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}
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# If the window is transient, then don't reset its size, since
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# the user didn't set this anyway, and in some cases where the
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# size can change dynamically, like the Global Preferences
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# dialog, this can hide parts of the dialog with no recourse...
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# if dont_remember_size is true, don't set size, just like
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# transients
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if {$transient || [dont_remember_size]} {
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set g "+${x}+${y}"
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} else {
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set g "${w}x${h}+${x}+${y}"
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}
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if {[expr $x+50] < $_screenwidth && [expr $y+20] < $_screenheight} {
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wm positionfrom $top user
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wm geometry $top $g
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set ::$top._init_geometry $g
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}
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}
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}
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}
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bind $top [list delete object $newwin]
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return $newwin
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}
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# ------------------------------------------------------------
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# PUBLIC PROC: find
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# ------------------------------------------------------------
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body ManagedWin::find { win } {
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debug "$win"
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set res ""
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foreach obj [itcl_info objects -isa ManagedWin] {
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if {[$obj isa $win]} {
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lappend res $obj
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}
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}
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return $res
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}
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# ------------------------------------------------------------
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# PUBLIC PROC: init
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# ------------------------------------------------------------
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body ManagedWin::init {} {
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wm withdraw .
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set _screenheight [winfo screenheight .]
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set _screenwidth [winfo screenwidth .]
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}
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# ------------------------------------------------------------
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# PUBLIC METHOD: destroy_toplevel
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| 341 |
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# ------------------------------------------------------------
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body ManagedWin::destroy_toplevel {} {
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| 343 |
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after idle "update idletasks;destroy $_top"
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}
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# ------------------------------------------------------------
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# PROTECTED METHOD: _freeze_me
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| 348 |
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# ------------------------------------------------------------
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body ManagedWin::_freeze_me {} {
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| 350 |
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$_top configure -cursor watch
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::update idletasks
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}
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# ------------------------------------------------------------
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# PROTECTED METHOD: _thaw_me
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| 356 |
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# ------------------------------------------------------------
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body ManagedWin::_thaw_me {} {
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| 359 |
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$_top configure -cursor {}
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::update idletasks
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}
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| 362 |
|
|
|
| 363 |
|
|
# ------------------------------------------------------------------
|
| 364 |
|
|
# PRIVATE PROC: _make_icon_window - create a small window with an
|
| 365 |
|
|
# icon in it for use by certain Unix window managers.
|
| 366 |
|
|
# ------------------------------------------------------------------
|
| 367 |
|
|
body ManagedWin::_make_icon_window {name {file "gdbtk_icon"}} {
|
| 368 |
|
|
if {![winfo exists $name]} {
|
| 369 |
|
|
toplevel $name
|
| 370 |
|
|
label $name.im -image \
|
| 371 |
|
|
[image create photo icon_photo -file [file join $::gdb_ImageDir $file.gif]]
|
| 372 |
|
|
}
|
| 373 |
|
|
pack $name.im
|
| 374 |
|
|
return $name
|
| 375 |
|
|
}
|
