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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: