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355 lines
9.8 KiB
355 lines
9.8 KiB
# Functions for supporting the use of themed Tk widgets in git-gui. |
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# Copyright (C) 2009 Pat Thoyts <patthoyts@users.sourceforge.net> |
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proc ttk_get_current_theme {} { |
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# Handle either current Tk or older versions of 8.5 |
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if {[catch {set theme [ttk::style theme use]}]} { |
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set theme $::ttk::currentTheme |
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} |
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return $theme |
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} |
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proc InitTheme {} { |
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# Create a color label style (bg can be overridden by widget option) |
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ttk::style layout Color.TLabel { |
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Color.Label.border -sticky news -children { |
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Color.label.fill -sticky news -children { |
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Color.Label.padding -sticky news -children { |
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Color.Label.label -sticky news}}}} |
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eval [linsert [ttk::style configure TLabel] 0 \ |
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ttk::style configure Color.TLabel] |
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ttk::style configure Color.TLabel \ |
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-borderwidth 0 -relief flat -padding 2 |
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ttk::style map Color.TLabel -background {{} gold} |
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# We also need a padded label. |
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ttk::style configure Padded.TLabel \ |
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-padding {5 5} -borderwidth 1 -relief solid |
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# We need a gold frame. |
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ttk::style layout Gold.TFrame { |
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Gold.Frame.border -sticky nswe -children { |
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Gold.Frame.fill -sticky nswe}} |
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ttk::style configure Gold.TFrame -background gold -relief flat |
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# listboxes should have a theme border so embed in ttk::frame |
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ttk::style layout SListbox.TFrame { |
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SListbox.Frame.Entry.field -sticky news -border true -children { |
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SListbox.Frame.padding -sticky news |
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} |
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} |
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set theme [ttk_get_current_theme] |
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if {[lsearch -exact {default alt classic clam} $theme] != -1} { |
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# Simple override of standard ttk::entry to change the field |
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# packground according to a state flag. We should use 'user1' |
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# but not all versions of 8.5 support that so make use of 'pressed' |
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# which is not normally in use for entry widgets. |
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ttk::style layout Edged.Entry [ttk::style layout TEntry] |
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ttk::style map Edged.Entry {*}[ttk::style map TEntry] |
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ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \ |
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-fieldbackground lightgreen |
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ttk::style map Edged.Entry -fieldbackground { |
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{pressed !disabled} lightpink |
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} |
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} else { |
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# For fancier themes, in particular the Windows ones, the field |
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# element may not support changing the background color. So instead |
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# override the fill using the default fill element. If we overrode |
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# the vista theme field element we would loose the themed border |
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# of the widget. |
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catch { |
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ttk::style element create color.fill from default |
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} |
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ttk::style layout Edged.Entry { |
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Edged.Entry.field -sticky nswe -border 0 -children { |
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Edged.Entry.border -sticky nswe -border 1 -children { |
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Edged.Entry.padding -sticky nswe -children { |
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Edged.Entry.color.fill -sticky nswe -children { |
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Edged.Entry.textarea -sticky nswe |
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} |
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} |
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} |
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} |
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} |
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ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \ |
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-background lightgreen -padding 0 -borderwidth 0 |
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ttk::style map Edged.Entry {*}[ttk::style map TEntry] \ |
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-background {{pressed !disabled} lightpink} |
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} |
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if {[lsearch [bind . <<ThemeChanged>>] InitTheme] == -1} { |
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bind . <<ThemeChanged>> +[namespace code [list InitTheme]] |
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} |
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} |
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# Define a style used for the surround of text widgets. |
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proc InitEntryFrame {} { |
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ttk::style theme settings default { |
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ttk::style layout EntryFrame { |
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EntryFrame.field -sticky nswe -border 0 -children { |
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EntryFrame.fill -sticky nswe -children { |
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EntryFrame.padding -sticky nswe |
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} |
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} |
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} |
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ttk::style configure EntryFrame -padding 1 -relief sunken |
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ttk::style map EntryFrame -background {} |
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} |
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ttk::style theme settings classic { |
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ttk::style configure EntryFrame -padding 2 -relief sunken |
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ttk::style map EntryFrame -background {} |
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} |
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ttk::style theme settings alt { |
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ttk::style configure EntryFrame -padding 2 |
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ttk::style map EntryFrame -background {} |
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} |
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ttk::style theme settings clam { |
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ttk::style configure EntryFrame -padding 2 |
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ttk::style map EntryFrame -background {} |
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} |
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# Ignore errors for missing native themes |
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catch { |
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ttk::style theme settings winnative { |
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ttk::style configure EntryFrame -padding 2 |
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} |
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ttk::style theme settings xpnative { |
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ttk::style configure EntryFrame -padding 1 |
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ttk::style element create EntryFrame.field vsapi \ |
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EDIT 1 {disabled 4 focus 3 active 2 {} 1} -padding 1 |
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} |
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ttk::style theme settings vista { |
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ttk::style configure EntryFrame -padding 2 |
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ttk::style element create EntryFrame.field vsapi \ |
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EDIT 6 {disabled 4 focus 3 active 2 {} 1} -padding 2 |
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} |
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} |
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bind EntryFrame <Enter> {%W instate !disabled {%W state active}} |
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bind EntryFrame <Leave> {%W state !active} |
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bind EntryFrame <<ThemeChanged>> { |
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set pad [ttk::style lookup EntryFrame -padding] |
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%W configure -padding [expr {$pad eq {} ? 1 : $pad}] |
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} |
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} |
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proc gold_frame {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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eval [linsert $args 0 ttk::frame $w -style Gold.TFrame] |
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} else { |
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eval [linsert $args 0 frame $w -background gold] |
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} |
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} |
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proc tlabel {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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set cmd [list ttk::label $w -style Color.TLabel] |
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foreach {k v} $args { |
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switch -glob -- $k { |
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-activebackground {} |
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default { lappend cmd $k $v } |
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} |
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} |
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eval $cmd |
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} else { |
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eval [linsert $args 0 label $w] |
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} |
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} |
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# The padded label gets used in the about class. |
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proc paddedlabel {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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eval [linsert $args 0 ttk::label $w -style Padded.TLabel] |
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} else { |
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eval [linsert $args 0 label $w \ |
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-padx 5 -pady 5 \ |
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-justify left \ |
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-anchor w \ |
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-borderwidth 1 \ |
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-relief solid] |
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} |
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} |
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# Create a toplevel for use as a dialog. |
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# If available, sets the EWMH dialog hint and if ttk is enabled |
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# place a themed frame over the surface. |
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proc Dialog {w args} { |
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eval [linsert $args 0 toplevel $w -class Dialog] |
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catch {wm attributes $w -type dialog} |
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pave_toplevel $w |
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return $w |
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} |
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# Tk toplevels are not themed - so pave it over with a themed frame to get |
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# the base color correct per theme. |
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proc pave_toplevel {w} { |
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global use_ttk |
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if {$use_ttk && ![winfo exists $w.!paving]} { |
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set paving [ttk::frame $w.!paving] |
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place $paving -x 0 -y 0 -relwidth 1 -relheight 1 |
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lower $paving |
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} |
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} |
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# Create a scrolled listbox with appropriate border for the current theme. |
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# On many themes the border for a scrolled listbox needs to go around the |
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# listbox and the scrollbar. |
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proc slistbox {w args} { |
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global use_ttk NS |
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if {$use_ttk} { |
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set f [ttk::frame $w -style SListbox.TFrame -padding 2] |
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} else { |
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set f [frame $w -relief flat] |
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} |
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if {[catch { |
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if {$use_ttk} { |
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eval [linsert $args 0 listbox $f.list -relief flat \ |
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-highlightthickness 0 -borderwidth 0] |
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} else { |
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eval [linsert $args 0 listbox $f.list] |
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} |
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${NS}::scrollbar $f.vs -command [list $f.list yview] |
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$f.list configure -yscrollcommand [list $f.vs set] |
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grid $f.list $f.vs -sticky news |
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grid rowconfigure $f 0 -weight 1 |
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grid columnconfigure $f 0 -weight 1 |
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bind $f.list <<ListboxSelect>> \ |
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[list event generate $w <<ListboxSelect>>] |
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interp hide {} $w |
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interp alias {} $w {} $f.list |
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} err]} { |
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destroy $f |
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return -code error $err |
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} |
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return $w |
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} |
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# fetch the background color from a widget. |
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proc get_bg_color {w} { |
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global use_ttk |
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if {$use_ttk} { |
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set bg [ttk::style lookup [winfo class $w] -background] |
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} else { |
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set bg [$w cget -background] |
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} |
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return $bg |
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} |
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# ttk::spinbox didn't get added until 8.6 |
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proc tspinbox {w args} { |
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global use_ttk |
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if {$use_ttk && [llength [info commands ttk::spinbox]] > 0} { |
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eval [linsert $args 0 ttk::spinbox $w] |
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} else { |
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eval [linsert $args 0 spinbox $w] |
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} |
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} |
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# Create a text widget with any theme specific properties. |
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proc ttext {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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switch -- [ttk_get_current_theme] { |
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"vista" - "xpnative" { |
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lappend args -highlightthickness 0 -borderwidth 0 |
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} |
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} |
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} |
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set w [eval [linsert $args 0 text $w]] |
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if {$use_ttk} { |
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if {[winfo class [winfo parent $w]] eq "EntryFrame"} { |
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bind $w <FocusIn> {[winfo parent %W] state focus} |
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bind $w <FocusOut> {[winfo parent %W] state !focus} |
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} |
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} |
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return $w |
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} |
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# themed frame suitable for surrounding a text field. |
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proc textframe {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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if {[catch {ttk::style layout EntryFrame}]} { |
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InitEntryFrame |
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} |
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eval [linsert $args 0 ttk::frame $w -class EntryFrame -style EntryFrame] |
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} else { |
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eval [linsert $args 0 frame $w] |
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} |
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return $w |
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} |
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proc tentry {w args} { |
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global use_ttk |
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if {$use_ttk} { |
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InitTheme |
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ttk::entry $w -style Edged.Entry |
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} else { |
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entry $w |
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} |
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rename $w _$w |
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interp alias {} $w {} tentry_widgetproc $w |
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eval [linsert $args 0 tentry_widgetproc $w configure] |
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return $w |
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} |
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proc tentry_widgetproc {w cmd args} { |
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global use_ttk |
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switch -- $cmd { |
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state { |
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if {$use_ttk} { |
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return [uplevel 1 [list _$w $cmd] $args] |
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} else { |
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if {[lsearch -exact $args pressed] != -1} { |
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_$w configure -background lightpink |
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} else { |
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_$w configure -background lightgreen |
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} |
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} |
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} |
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configure { |
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if {$use_ttk} { |
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if {[set n [lsearch -exact $args -background]] != -1} { |
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set args [lreplace $args $n [incr n]] |
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if {[llength $args] == 0} {return} |
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} |
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} |
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return [uplevel 1 [list _$w $cmd] $args] |
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} |
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default { return [uplevel 1 [list _$w $cmd] $args] } |
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} |
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} |
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# Tk 8.6 provides a standard font selection dialog. This uses the native |
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# dialogs on Windows and MacOSX or a standard Tk dialog on X11. |
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proc tchoosefont {w title familyvar sizevar} { |
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if {[package vsatisfies [package provide Tk] 8.6]} { |
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upvar #0 $familyvar family |
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upvar #0 $sizevar size |
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tk fontchooser configure -parent $w -title $title \ |
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-font [list $family $size] \ |
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-command [list on_choosefont $familyvar $sizevar] |
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tk fontchooser show |
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} else { |
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choose_font::pick $w $title $familyvar $sizevar |
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} |
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} |
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# Called when the Tk 8.6 fontchooser selects a font. |
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proc on_choosefont {familyvar sizevar font} { |
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upvar #0 $familyvar family |
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upvar #0 $sizevar size |
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set font [font actual $font] |
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set family [dict get $font -family] |
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set size [dict get $font -size] |
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} |
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# Local variables: |
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# mode: tcl |
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# indent-tabs-mode: t |
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# tab-width: 4 |
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# End:
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