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C:/Program Files/Git/mingw64/lib/tk8.6/ttk/

File / Folder	Size	Action
.	-
altTheme.tcl	4.902KB	edt ren
aquaTheme.tcl	3.604KB	edt ren
button.tcl	2.862KB	edt ren
clamTheme.tcl	5.778KB	edt ren
classicTheme.tcl	4.658KB	edt ren
combobox.tcl	11.974KB	edt ren
cursors.tcl	4.364KB	edt ren
defaults.tcl	5.266KB	edt ren
entry.tcl	16.958KB	edt ren
fonts.tcl	5.356KB	edt ren
menubutton.tcl	6.03KB	edt ren
notebook.tcl	5.529KB	edt ren
panedwindow.tcl	2.023KB	edt ren
progress.tcl	1.063KB	edt ren
scale.tcl	2.63KB	edt ren
scrollbar.tcl	3.084KB	edt ren
sizegrip.tcl	2.344KB	edt ren
spinbox.tcl	4.698KB	edt ren
treeview.tcl	9.567KB	edt ren
ttk.tcl	5.193KB	edt ren
utils.tcl	8.09KB	edt ren
vistaTheme.tcl	10.192KB	edt ren
winTheme.tcl	3.648KB	edt ren
xpTheme.tcl	2.927KB	edt ren

#
# Bindings for Menubuttons.
#
# Menubuttons have three interaction modes:
#
# Pulldown: Press menubutton, drag over menu, release to activate menu entry
# Popdown: Click menubutton to post menu
# Keyboard: <space> or accelerator key to post menu
#
# (In addition, when menu system is active, "dropdown" -- menu posts
# on mouse-over.  Ttk menubuttons don't implement this).
#
# For keyboard and popdown mode, we hand off to tk_popup and let
# the built-in Tk bindings handle the rest of the interaction.
#
# ON X11:
#
# Standard Tk menubuttons use a global grab on the menubutton.
# This won't work for Ttk menubuttons in pulldown mode,
# since we need to process the final <ButtonRelease> event,
# and this might be delivered to the menu.  So instead we
# rely on the passive grab that occurs on <Button> events,
# and transition to popdown mode when the mouse is released
# or dragged outside the menubutton.
#
# ON WINDOWS:
#
# I'm not sure what the hell is going on here.  [$menu post] apparently
# sets up some kind of internal grab for native menus.
# On this platform, just use [tk_popup] for all menu actions.
#
# ON MACOS:
#
# Same probably applies here.
#

namespace eval ttk {
    namespace eval menubutton {
	variable State
	array set State {
	    pulldown	0
	    oldcursor	{}
	}
    }
}

bind TMenubutton <Enter>	{ %W instate !disabled {%W state active } }
bind TMenubutton <Leave>	{ %W state !active }
bind TMenubutton <space>	{ ttk::menubutton::Popdown %W }
bind TMenubutton <<Invoke>> 	{ ttk::menubutton::Popdown %W }

if {[tk windowingsystem] eq "x11"} {
    bind TMenubutton <Button-1>  	{ ttk::menubutton::Pulldown %W }
    bind TMenubutton <ButtonRelease-1>	{ ttk::menubutton::TransferGrab %W }
    bind TMenubutton <B1-Leave> 	{ ttk::menubutton::TransferGrab %W }
} else {
    bind TMenubutton <Button-1>  \
	{ %W state pressed ; ttk::menubutton::Popdown %W }
    bind TMenubutton <ButtonRelease-1>  \
	{ if {[winfo exists %W]} { %W state !pressed } }
}

# PostPosition --
#	Returns x and y coordinates and a menu item index.
#       If the index is not an empty string the menu should
#       be posted so that the upper left corner of the indexed
#       menu item is located at the point (x, y).  Otherwise
#       the top left corner of the menu itself should be located
#       at that point.
#
# TODO: adjust menu width to be at least as wide as the button
#	for -direction above, below.
#

if {[tk windowingsystem] eq "aqua"} {
    proc ::ttk::menubutton::PostPosition {mb menu} {
	set menuPad 5
	set buttonPad 1
	set bevelPad 4
	set mh [winfo reqheight $menu]
	set bh [expr {[winfo height $mb]} + $buttonPad]
	set bbh [expr {[winfo height $mb]} + $bevelPad]
	set mw [winfo reqwidth $menu]
	set bw [winfo width $mb]
	set entry [::tk::MenuFindName $menu [$mb cget -text]]
	if {$entry < 0} {
	    set entry 0
	}
	set x [winfo rootx $mb]
	set y [winfo rooty $mb]
	switch [$mb cget -direction] {
	    above {
		set entry ""
		incr y [expr {-$mh + 2 * $menuPad}]
	    }
	    below {
		set entry ""
		incr y $bh
	    }
	    left {
		incr y $menuPad
		incr x -$mw
	    }
	    right {
		incr y $menuPad
		incr x $bw
	    }
	    default {  # flush
		incr y $bbh
	    }
	}
	return [list $x $y $entry]
    }
} else {
    proc ::ttk::menubutton::PostPosition {mb menu} {
	set mh [expr {[winfo reqheight $menu]}]
	set bh [expr {[winfo height $mb]}]
	set mw [expr {[winfo reqwidth $menu]}]
	set bw [expr {[winfo width $mb]}]
	if {[tk windowingsystem] eq "win32"} {
	    incr mh 6
	    incr mw 16
	}
	set entry [::tk::MenuFindName $menu [$mb cget -text]]
	if {$entry < 0} {
	    set entry 0
	}
	set x [winfo rootx $mb]
	set y [winfo rooty $mb]
	switch [$mb cget -direction] {
	    above {
		set entry ""
		incr y -$mh
		# if we go offscreen to the top, show as 'below'
		if {$y < [winfo vrooty $mb]} {
		    set y [expr {[winfo vrooty $mb] + [winfo rooty $mb]\
			    + [winfo reqheight $mb]}]
		}
	    }
	    below {
		set entry ""
		incr y $bh
		# if we go offscreen to the bottom, show as 'above'
		if {($y + $mh) > ([winfo vrooty $mb] + [winfo vrootheight $mb])} {
		    set y [expr {[winfo vrooty $mb] + [winfo rooty $mb] - $mh}]
		}
	    }
	    left {
		incr x -$mw
	    }
	    right {
		incr x $bw
	    }
	    default {  # flush
		incr x [expr {([winfo width $mb] - [winfo reqwidth $menu])/ 2}]
	    }
	}
	return [list $x $y $entry]
    }
}

# Popdown --
#	Post the menu and set a grab on the menu.
#
proc ttk::menubutton::Popdown {mb} {
    if {[$mb instate disabled] || [set menu [$mb cget -menu]] eq ""} {
	return
    }
    foreach {x y entry} [PostPosition $mb $menu] { break }
    tk_popup $menu $x $y $entry
}

# Pulldown (X11 only) --
#	Called when Button1 is pressed on a menubutton.
#	Posts the menu; a subsequent ButtonRelease
#	or Leave event will set a grab on the menu.
#
proc ttk::menubutton::Pulldown {mb} {
    variable State
    if {[$mb instate disabled] || [set menu [$mb cget -menu]] eq ""} {
	return
    }
    set State(pulldown) 1
    set State(oldcursor) [$mb cget -cursor]

$mb state pressed
    $mb configure -cursor [$menu cget -cursor]
    foreach {x y entry} [PostPosition $mb $menu] { break }
    if {$entry >= 0} {
	$menu post $x $y $entry
    } else {
	$menu post $x $y
    }
    tk_menuSetFocus $menu
}

# TransferGrab (X11 only) --
#	Switch from pulldown mode (menubutton has an implicit grab)
#	to popdown mode (menu has an explicit grab).
#
proc ttk::menubutton::TransferGrab {mb} {
    variable State
    if {$State(pulldown)} {
	$mb configure -cursor $State(oldcursor)
	$mb state {!pressed !active}
	set State(pulldown) 0

set menu [$mb cget -menu]
	foreach {x y entry} [PostPosition $mb $menu] { break }
    	tk_popup $menu [winfo rootx $menu] [winfo rooty $menu]
    }
}

# FindMenuEntry --
#	Hack to support tk_optionMenus.
#	Returns the index of the menu entry with a matching -label,
#	"" if not found.
#
proc ttk::menubutton::FindMenuEntry {menu s} {
    set last [$menu index last]
    if {$last eq "none" || $last < 0} {
	return ""
    }
    for {set i 0} {$i <= $last} {incr i} {
	if {![catch {$menu entrycget $i -label} label]
	    && ($label eq $s)} {
	    return $i
	}
    }
    return ""
}

#*EOF*