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Diffstat (limited to 'lib/themed.tcl')
| -rw-r--r-- | lib/themed.tcl | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/lib/themed.tcl b/lib/themed.tcl new file mode 100644 index 0000000000..1da458673b --- /dev/null +++ b/lib/themed.tcl @@ -0,0 +1,174 @@ +# 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: |