1 # Functions for supporting the use of themed Tk widgets in git-gui.
2 # Copyright (C) 2009 Pat Thoyts <patthoyts@users.sourceforge.net>
4 proc ttk_get_current_theme {} {
5 # Handle either current Tk or older versions of 8.5
6 if {[catch {set theme [ttk::style theme use]}]} {
7 set theme $::ttk::currentTheme
13 # Create a color label style (bg can be overridden by widget option)
14 ttk::style layout Color.TLabel {
15 Color.Label.border -sticky news -children {
16 Color.label.fill -sticky news -children {
17 Color.Label.padding -sticky news -children {
18 Color.Label.label -sticky news}}}}
19 eval [linsert [ttk::style configure TLabel] 0 \
20 ttk::style configure Color.TLabel]
21 ttk::style configure Color.TLabel \
22 -borderwidth 0 -relief flat -padding 2
23 ttk::style map Color.TLabel -background {{} gold}
24 # We also need a padded label.
25 ttk::style configure Padded.TLabel \
26 -padding {5 5} -borderwidth 1 -relief solid
27 # We need a gold frame.
28 ttk::style layout Gold.TFrame {
29 Gold.Frame.border -sticky nswe -children {
30 Gold.Frame.fill -sticky nswe}}
31 ttk::style configure Gold.TFrame -background gold -relief flat
32 # listboxes should have a theme border so embed in ttk::frame
33 ttk::style layout SListbox.TFrame {
34 SListbox.Frame.Entry.field -sticky news -border true -children {
35 SListbox.Frame.padding -sticky news
39 set theme [ttk_get_current_theme]
41 if {[lsearch -exact {default alt classic clam} $theme] != -1} {
42 # Simple override of standard ttk::entry to change the field
43 # packground according to a state flag. We should use 'user1'
44 # but not all versions of 8.5 support that so make use of 'pressed'
45 # which is not normally in use for entry widgets.
46 ttk::style layout Edged.Entry [ttk::style layout TEntry]
47 ttk::style map Edged.Entry {*}[ttk::style map TEntry]
48 ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \
49 -fieldbackground lightgreen
50 ttk::style map Edged.Entry -fieldbackground {
51 {pressed !disabled} lightpink
54 # For fancier themes, in particular the Windows ones, the field
55 # element may not support changing the background color. So instead
56 # override the fill using the default fill element. If we overrode
57 # the vista theme field element we would loose the themed border
60 ttk::style element create color.fill from default
63 ttk::style layout Edged.Entry {
64 Edged.Entry.field -sticky nswe -border 0 -children {
65 Edged.Entry.border -sticky nswe -border 1 -children {
66 Edged.Entry.padding -sticky nswe -children {
67 Edged.Entry.color.fill -sticky nswe -children {
68 Edged.Entry.textarea -sticky nswe
75 ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \
76 -background lightgreen -padding 0 -borderwidth 0
77 ttk::style map Edged.Entry {*}[ttk::style map TEntry] \
78 -background {{pressed !disabled} lightpink}
81 if {[lsearch [bind . <<ThemeChanged>>] InitTheme] == -1} {
82 bind . <<ThemeChanged>> +[namespace code [list InitTheme]]
86 # Define a style used for the surround of text widgets.
87 proc InitEntryFrame {} {
88 ttk::style theme settings default {
89 ttk::style layout EntryFrame {
90 EntryFrame.field -sticky nswe -border 0 -children {
91 EntryFrame.fill -sticky nswe -children {
92 EntryFrame.padding -sticky nswe
96 ttk::style configure EntryFrame -padding 1 -relief sunken
97 ttk::style map EntryFrame -background {}
99 ttk::style theme settings classic {
100 ttk::style configure EntryFrame -padding 2 -relief sunken
101 ttk::style map EntryFrame -background {}
103 ttk::style theme settings alt {
104 ttk::style configure EntryFrame -padding 2
105 ttk::style map EntryFrame -background {}
107 ttk::style theme settings clam {
108 ttk::style configure EntryFrame -padding 2
109 ttk::style map EntryFrame -background {}
112 # Ignore errors for missing native themes
114 ttk::style theme settings winnative {
115 ttk::style configure EntryFrame -padding 2
117 ttk::style theme settings xpnative {
118 ttk::style configure EntryFrame -padding 1
119 ttk::style element create EntryFrame.field vsapi \
120 EDIT 1 {disabled 4 focus 3 active 2 {} 1} -padding 1
122 ttk::style theme settings vista {
123 ttk::style configure EntryFrame -padding 2
124 ttk::style element create EntryFrame.field vsapi \
125 EDIT 6 {disabled 4 focus 3 active 2 {} 1} -padding 2
129 bind EntryFrame <Enter> {%W instate !disabled {%W state active}}
130 bind EntryFrame <Leave> {%W state !active}
131 bind EntryFrame <<ThemeChanged>> {
132 set pad [ttk::style lookup EntryFrame -padding]
133 %W configure -padding [expr {$pad eq {} ? 1 : $pad}]
137 proc gold_frame {w args} {
140 eval [linsert $args 0 ttk::frame $w -style Gold.TFrame]
142 eval [linsert $args 0 frame $w -background gold]
146 proc tlabel {w args} {
149 set cmd [list ttk::label $w -style Color.TLabel]
150 foreach {k v} $args {
153 default { lappend cmd $k $v }
158 eval [linsert $args 0 label $w]
162 # The padded label gets used in the about class.
163 proc paddedlabel {w args} {
166 eval [linsert $args 0 ttk::label $w -style Padded.TLabel]
168 eval [linsert $args 0 label $w \
177 # Create a toplevel for use as a dialog.
178 # If available, sets the EWMH dialog hint and if ttk is enabled
179 # place a themed frame over the surface.
180 proc Dialog {w args} {
181 eval [linsert $args 0 toplevel $w -class Dialog]
182 catch {wm attributes $w -type dialog}
187 # Tk toplevels are not themed - so pave it over with a themed frame to get
188 # the base color correct per theme.
189 proc pave_toplevel {w} {
191 if {$use_ttk && ![winfo exists $w.!paving]} {
192 set paving [ttk::frame $w.!paving]
193 place $paving -x 0 -y 0 -relwidth 1 -relheight 1
198 # Create a scrolled listbox with appropriate border for the current theme.
199 # On many themes the border for a scrolled listbox needs to go around the
200 # listbox and the scrollbar.
201 proc slistbox {w args} {
204 set f [ttk::frame $w -style SListbox.TFrame -padding 2]
206 set f [frame $w -relief flat]
210 eval [linsert $args 0 listbox $f.list -relief flat \
211 -highlightthickness 0 -borderwidth 0]
213 eval [linsert $args 0 listbox $f.list]
215 ${NS}::scrollbar $f.vs -command [list $f.list yview]
216 $f.list configure -yscrollcommand [list $f.vs set]
217 grid $f.list $f.vs -sticky news
218 grid rowconfigure $f 0 -weight 1
219 grid columnconfigure $f 0 -weight 1
220 bind $f.list <<ListboxSelect>> \
221 [list event generate $w <<ListboxSelect>>]
223 interp alias {} $w {} $f.list
226 return -code error $err
231 # fetch the background color from a widget.
232 proc get_bg_color {w} {
235 set bg [ttk::style lookup [winfo class $w] -background]
237 set bg [$w cget -background]
242 # ttk::spinbox didn't get added until 8.6
243 proc tspinbox {w args} {
245 if {$use_ttk && [llength [info commands ttk::spinbox]] > 0} {
246 eval [linsert $args 0 ttk::spinbox $w]
248 eval [linsert $args 0 spinbox $w]
252 # Create a text widget with any theme specific properties.
253 proc ttext {w args} {
256 switch -- [ttk_get_current_theme] {
257 "vista" - "xpnative" {
258 lappend args -highlightthickness 0 -borderwidth 0
262 set w [eval [linsert $args 0 text $w]]
264 if {[winfo class [winfo parent $w]] eq "EntryFrame"} {
265 bind $w <FocusIn> {[winfo parent %W] state focus}
266 bind $w <FocusOut> {[winfo parent %W] state !focus}
272 # themed frame suitable for surrounding a text field.
273 proc textframe {w args} {
276 if {[catch {ttk::style layout EntryFrame}]} {
279 eval [linsert $args 0 ttk::frame $w -class EntryFrame -style EntryFrame]
281 eval [linsert $args 0 frame $w]
286 proc tentry {w args} {
290 ttk::entry $w -style Edged.Entry
296 interp alias {} $w {} tentry_widgetproc $w
297 eval [linsert $args 0 tentry_widgetproc $w configure]
300 proc tentry_widgetproc {w cmd args} {
305 return [uplevel 1 [list _$w $cmd] $args]
307 if {[lsearch -exact $args pressed] != -1} {
308 _$w configure -background lightpink
310 _$w configure -background lightgreen
316 if {[set n [lsearch -exact $args -background]] != -1} {
317 set args [lreplace $args $n [incr n]]
318 if {[llength $args] == 0} {return}
321 return [uplevel 1 [list _$w $cmd] $args]
323 default { return [uplevel 1 [list _$w $cmd] $args] }
327 # Tk 8.6 provides a standard font selection dialog. This uses the native
328 # dialogs on Windows and MacOSX or a standard Tk dialog on X11.
329 proc tchoosefont {w title familyvar sizevar} {
330 if {[package vsatisfies [package provide Tk] 8.6]} {
331 upvar #0 $familyvar family
332 upvar #0 $sizevar size
333 tk fontchooser configure -parent $w -title $title \
334 -font [list $family $size] \
335 -command [list on_choosefont $familyvar $sizevar]
338 choose_font::pick $w $title $familyvar $sizevar
342 # Called when the Tk 8.6 fontchooser selects a font.
343 proc on_choosefont {familyvar sizevar font} {
344 upvar #0 $familyvar family
345 upvar #0 $sizevar size
346 set font [font actual $font]
347 set family [dict get $font -family]
348 set size [dict get $font -size]
353 # indent-tabs-mode: t