Initial revision

1 files changed, 267 insertions, 0 deletions

diff --git a/gdb/gdbtk/library/managedwin.itb b/gdb/gdbtk/library/managedwin.itb
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+++ b/gdb/gdbtk/library/managedwin.itb
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+# Managed window for GDBtk.
+# 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.
+
+
+body ManagedWin::reconfig {} {}
+
+
+body ManagedWin::window_name {wname {iname ""}} {
+  set top [winfo toplevel [namespace tail $this]]
+  wm title $top $wname
+  if {$iname != ""} {
+    wm iconname $top $iname
+  } else {
+    wm iconname $top $wname
+  }
+}
+
+
+body ManagedWin::reveal {} {
+  # Do this update to flush all changes before deiconifying the window.
+  update idletasks
+  
+  set top [winfo toplevel [namespace tail $this]]
+  wm deiconify $top
+  
+  # I don't understand this next line and no one commented it, so it's gone.
+  #focus -force [focus -lastfor $top]
+  
+  focus $top
+  raise $top
+}
+
+body ManagedWin::restart {} {
+  # This is needed in case we've called "gdbtk_busy" before the restart.
+  # This will configure the stop/run button as necessary
+  after idle gdbtk_idle
+  
+  # call the reconfig method for each object
+  foreach obj $manage_active {
+    if {[catch {$obj reconfig} msg]} {
+      dbug W "reconfig failed for $obj - $msg"
+    } 
+  }
+}
+
+body ManagedWin::open_dlg {class args} {
+  
+  set newwin [eval _open $class $args]
+  if {$newwin != ""} {
+    $newwin reveal
+    $newwin post
+  }
+}
+
+
+body ManagedWin::open {class args} {
+  
+  set newwin [eval _open $class $args]
+  if {$newwin != ""} {
+    if {[$newwin isa ModalDialog]} {
+      after idle "$newwin reveal; $newwin post"
+    } else {
+      after idle "$newwin reveal"
+    }
+  }
+  
+  return $newwin
+}
+
+body ManagedWin::_open { class args } {
+  debug "$class $args"
+  
+  parse_args force
+  
+  if {!$force} {
+    # check all windows for one of this type
+    foreach obj $manage_active {
+      if {[$obj isa $class]} {
+	$obj reveal
+	return $obj
+      }
+    }
+    
+  }
+  # need to create a new window
+  return [eval _create $class $args]
+}
+
+body ManagedWin::_create { class args } {
+  
+  set win [string tolower $class]
+  debug "win=$win args=$args"
+  
+  parse_args {center transient {over ""}} 
+  
+  # increment window numbers until we get an unused one
+  set i 0
+  while {[winfo exists .$win$i]} { incr i }
+  
+  while { 1 } {
+    set top [toplevel .$win$i]
+    wm withdraw $top
+    wm protocol $top WM_DELETE_WINDOW "destroy $top"
+    wm group $top .
+    set newwin $top.$win
+    if {[catch {uplevel \#0 eval $class $newwin $args} msg]} {
+      dbug E "object creation of $class failed: $msg"
+      dbug E $::errorInfo
+      if {[string first "object already exists" $msg] != -1} {
+	# sometimes an object is still really around even though
+	# [winfo exists] said it didn't exist.  Check for this case
+	# and increment the window number again.
+	catch {destroy $top}
+	incr i
+      } else {
+	return ""
+      }
+    } else {
+      break
+    }
+  }
+  
+  if {[catch {pack $newwin -expand yes -fill both}]} {
+    dbug W "packing of $newwin failed: $::errorInfo"
+    return ""
+  }
+  
+  wm maxsize $top $screenwidth $screenheight
+  wm minsize $top 20 20
+  
+  if {$over != ""} {
+    # center new window over widget
+    set t [winfo toplevel [namespace tail $over]]
+    set cx [expr {[winfo rootx $t] + [winfo width $t] / 2}]
+    set cy [expr {[winfo rooty $t] + [winfo height $t] / 2}]
+    set x [expr {$cx - [winfo reqwidth $top] / 2}]
+    set y [expr {$cy - [winfo reqheight $top] / 2}]
+    wm geometry $top +$x+$y    
+  } elseif {$center} {
+    # center the window on the screen
+    set x [expr {[winfo screenwidth $top] / 2 - [winfo reqwidth $top] / 2}]
+    set y [expr {[winfo screenheight $top] / 2 - [winfo reqheight $top] / 2}]
+    wm geometry $top +$x+$y
+  }
+  
+  if {$transient} {
+    wm resizable $top 0 0
+    wm transient $top .
+  } elseif {$::tcl_platform(platform) == "unix"} {
+    # Modal dialogs DONT get Icons...
+    if {[pref get gdb/use_icons] && ![$newwin isa ModalDialog]} {
+      set icon [make_icon_window ${top}_icon]
+      wm iconwindow $top $icon
+      bind $icon <Double-1> "$newwin reveal"
+    }
+  }
+  
+  if {[info exists ::env(GDBTK_TEST_RUNNING)] && $::env(GDBTK_TEST_RUNNING)} {
+    set g "+100+100"
+    wm geometry $top $g
+    wm positionfrom $top user
+  } else {
+    set g [pref getd gdb/geometry/$newwin]
+    if {$g == "1x1+0+0"} { 
+      dbug E "bad geometry"
+      set g ""
+    }
+    if {$g != ""} {
+      # OK. We have a requested geometry. We know that it fits on the screen
+      # because we set the maxsize.  Now we have to make sure it will not be
+      # displayed off the screen.
+      set w 0; set h 0; set x 0; set y 0
+      if {![catch {scan $g  "%dx%d%d%d" w h x y} res]} {
+	if {$x < 0} {
+	  set x [expr $screenwidth + $x]
+	}
+	if {$y < 0} {
+	  set y [expr $screenheight + $y]
+	}
+	
+	# If the window is transient, then don't reset its size, since
+	# the user didn't set this anyway, and in some cases where the
+	# size can change dynamically, like the Global Preferences
+	# dialog, this can hide parts of the dialog with no recourse...
+	
+	# if dont_remember_size is true, don't set size, just like
+	# transients
+	
+	if {$transient || [dont_remember_size]} {
+	  set g "+${x}+${y}"
+	} else {
+	  set g "${w}x${h}+${x}+${y}"
+	}
+	if {[expr $x+50] < $screenwidth && [expr $y+20] < $screenheight} {
+	  wm geometry $top $g
+	  wm positionfrom $top user
+	}
+      }
+    }
+  }
+
+  bind $top <Alt-F4> [list delete object $newwin]
+
+  return $newwin
+}
+
+body ManagedWin::find { win } {
+  debug "$win"
+  set res ""
+  foreach obj $manage_active {
+    if {[$obj isa $win]} {
+      lappend res $obj
+    }
+  }
+  return $res
+}
+
+body ManagedWin::enable { on } {
+}
+
+
+body ManagedWin::init {} {
+  debug
+  wm withdraw .
+  set screenheight [winfo screenheight .]
+  set screenwidth [winfo screenwidth .]
+}
+
+body ManagedWin::destroy_toplevel {} {
+  after idle "update idletasks;destroy $Top"
+}
+
+body ManagedWin::freeze_me {} {
+  $Top configure -cursor watch
+  ::update idletasks
+}
+
+body ManagedWin::thaw_me {} {
+
+  $Top configure -cursor {}
+  ::update idletasks
+}
+
+# ------------------------------------------------------------------
+#  make_icon_window - create a small window with an icon in
+#  it for use by certain Unix window managers.
+# ------------------------------------------------------------------
+
+body ManagedWin::make_icon_window {name {file "gdbtk_icon"}} {
+  if {![winfo exists $name]} {
+    toplevel $name
+    label $name.im -image \
+      [image create photo icon_photo -file [file join $::gdb_ImageDir $file.gif]]
+  }
+  pack $name.im
+  return $name
+}