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# Functions for supporting the use of themed Tk widgets in git-gui.
# Copyright (C) 2009 Pat Thoyts <patthoyts@users.sourceforge.net>
proc InitTheme {} {
# Create a color label style (bg can be overridden by widget option)
ttk::style layout Color.TLabel {
Color.Label.border -sticky news -children {
Color.label.fill -sticky news -children {
Color.Label.padding -sticky news -children {
Color.Label.label -sticky news}}}}
eval [linsert [ttk::style configure TLabel] 0 \
ttk::style configure Color.TLabel]
ttk::style configure Color.TLabel \
-borderwidth 0 -relief flat -padding 2
ttk::style map Color.TLabel -background {{} gold}
# We also need a padded label.
ttk::style configure Padded.TLabel \
-padding {5 5} -borderwidth 1 -relief solid
# We need a gold frame.
ttk::style layout Gold.TFrame {
Gold.Frame.border -sticky nswe -children {
Gold.Frame.fill -sticky nswe}}
ttk::style configure Gold.TFrame -background gold -relief flat
# listboxes should have a theme border so embed in ttk::frame
ttk::style layout SListbox.TFrame {
SListbox.Frame.Entry.field -sticky news -border true -children {
SListbox.Frame.padding -sticky news
}
}
}
proc gold_frame {w args} {
global use_ttk
if {$use_ttk} {
eval [linsert $args 0 ttk::frame $w -style Gold.TFrame]
} else {
eval [linsert $args 0 frame $w -background gold]
}
}
proc tlabel {w args} {
global use_ttk
if {$use_ttk} {
set cmd [list ttk::label $w -style Color.TLabel]
foreach {k v} $args {
switch -glob -- $k {
-activebackground {}
default { lappend cmd $k $v }
}
}
eval $cmd
} else {
eval [linsert $args 0 label $w]
}
}
# The padded label gets used in the about class.
proc paddedlabel {w args} {
global use_ttk
if {$use_ttk} {
eval [linsert $args 0 ttk::label $w -style Padded.TLabel]
} else {
eval [linsert $args 0 label $w \
-padx 5 -pady 5 \
-justify left \
-anchor w \
-borderwidth 1 \
-relief solid]
}
}
# Create a toplevel for use as a dialog.
# If available, sets the EWMH dialog hint and if ttk is enabled
# place a themed frame over the surface.
proc Dialog {w args} {
eval [linsert $args 0 toplevel $w -class Dialog]
pave_toplevel $w
return $w
}
# Tk toplevels are not themed - so pave it over with a themed frame to get
# the base color correct per theme.
proc pave_toplevel {w} {
global use_ttk
if {$use_ttk && ![winfo exists $w.!paving]} {
set paving [ttk::frame $w.!paving]
place $paving -x 0 -y 0 -relwidth 1 -relheight 1
lower $paving
}
}
# Create a scrolled listbox with appropriate border for the current theme.
# On many themes the border for a scrolled listbox needs to go around the
# listbox and the scrollbar.
proc slistbox {w args} {
global use_ttk NS
if {$use_ttk} {
set f [ttk::frame $w -style SListbox.TFrame -padding 2]
} else {
set f [frame $w -relief flat]
}
if {[catch {
if {$use_ttk} {
eval [linsert $args 0 listbox $f.list -relief flat \
-highlightthickness 0 -borderwidth 0]
} else {
eval [linsert $args 0 listbox $f.list]
}
${NS}::scrollbar $f.vs -command [list $f.list yview]
$f.list configure -yscrollcommand [list $f.vs set]
grid $f.list $f.vs -sticky news
grid rowconfigure $f 0 -weight 1
grid columnconfigure $f 0 -weight 1
bind $f.list <<ListboxSelect>> \
[list event generate $w <<ListboxSelect>>]
interp hide {} $w
interp alias {} $w {} $f.list
} err]} {
destroy $f
return -code error $err
}
return $w
}
# fetch the background color from a widget.
proc get_bg_color {w} {
global use_ttk
if {$use_ttk} {
set bg [ttk::style lookup [winfo class $w] -background]
} else {
set bg [$w cget -background]
}
return $bg
}
# ttk::spinbox didn't get added until 8.6
proc tspinbox {w args} {
global use_ttk
if {$use_ttk && [llength [info commands ttk::spinbox]] > 0} {
eval [linsert $args 0 ttk::spinbox $w]
} else {
eval [linsert $args 0 spinbox $w]
}
}
# Tk 8.6 provides a standard font selection dialog. This uses the native
# dialogs on Windows and MacOSX or a standard Tk dialog on X11.
proc tchoosefont {w title familyvar sizevar} {
if {[package vsatisfies [package provide Tk] 8.6]} {
upvar #0 $familyvar family
upvar #0 $sizevar size
tk fontchooser configure -parent $w -title $title \
-font [list $family $size] \
-command [list on_choosefont $familyvar $sizevar]
tk fontchooser show
} else {
choose_font::pick $w $title $familyvar $sizevar
}
}
# Called when the Tk 8.6 fontchooser selects a font.
proc on_choosefont {familyvar sizevar font} {
upvar #0 $familyvar family
upvar #0 $sizevar size
set font [font actual $font]
set family [dict get $font -family]
set size [dict get $font -size]
}
# Local variables:
# mode: tcl
# indent-tabs-mode: t
# tab-width: 4
# End:
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