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[git/jrn.git] / git-gui / lib / themed.tcl
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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 InitTheme {} {
5 # Create a color label style (bg can be overridden by widget option)
6 ttk::style layout Color.TLabel {
7 Color.Label.border -sticky news -children {
8 Color.label.fill -sticky news -children {
9 Color.Label.padding -sticky news -children {
10 Color.Label.label -sticky news}}}}
11 eval [linsert [ttk::style configure TLabel] 0 \
12 ttk::style configure Color.TLabel]
13 ttk::style configure Color.TLabel \
14 -borderwidth 0 -relief flat -padding 2
15 ttk::style map Color.TLabel -background {{} gold}
16 # We also need a padded label.
17 ttk::style configure Padded.TLabel \
18 -padding {5 5} -borderwidth 1 -relief solid
19 # We need a gold frame.
20 ttk::style layout Gold.TFrame {
21 Gold.Frame.border -sticky nswe -children {
22 Gold.Frame.fill -sticky nswe}}
23 ttk::style configure Gold.TFrame -background gold -relief flat
24 # listboxes should have a theme border so embed in ttk::frame
25 ttk::style layout SListbox.TFrame {
26 SListbox.Frame.Entry.field -sticky news -border true -children {
27 SListbox.Frame.padding -sticky news
31 # Handle either current Tk or older versions of 8.5
32 if {[catch {set theme [ttk::style theme use]}]} {
33 set theme $::ttk::currentTheme
36 if {[lsearch -exact {default alt classic clam} $theme] != -1} {
37 # Simple override of standard ttk::entry to change the field
38 # packground according to a state flag. We should use 'user1'
39 # but not all versions of 8.5 support that so make use of 'pressed'
40 # which is not normally in use for entry widgets.
41 ttk::style layout Edged.Entry [ttk::style layout TEntry]
42 ttk::style map Edged.Entry {*}[ttk::style map TEntry]
43 ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \
44 -fieldbackground lightgreen
45 ttk::style map Edged.Entry -fieldbackground {
46 {pressed !disabled} lightpink
48 } else {
49 # For fancier themes, in particular the Windows ones, the field
50 # element may not support changing the background color. So instead
51 # override the fill using the default fill element. If we overrode
52 # the vista theme field element we would loose the themed border
53 # of the widget.
54 catch {
55 ttk::style element create color.fill from default
58 ttk::style layout Edged.Entry {
59 Edged.Entry.field -sticky nswe -border 0 -children {
60 Edged.Entry.border -sticky nswe -border 1 -children {
61 Edged.Entry.padding -sticky nswe -children {
62 Edged.Entry.color.fill -sticky nswe -children {
63 Edged.Entry.textarea -sticky nswe
70 ttk::style configure Edged.Entry {*}[ttk::style configure TEntry] \
71 -background lightgreen -padding 0 -borderwidth 0
72 ttk::style map Edged.Entry {*}[ttk::style map TEntry] \
73 -background {{pressed !disabled} lightpink}
76 if {[lsearch [bind . <<ThemeChanged>>] InitTheme] == -1} {
77 bind . <<ThemeChanged>> +[namespace code [list InitTheme]]
81 proc gold_frame {w args} {
82 global use_ttk
83 if {$use_ttk} {
84 eval [linsert $args 0 ttk::frame $w -style Gold.TFrame]
85 } else {
86 eval [linsert $args 0 frame $w -background gold]
90 proc tlabel {w args} {
91 global use_ttk
92 if {$use_ttk} {
93 set cmd [list ttk::label $w -style Color.TLabel]
94 foreach {k v} $args {
95 switch -glob -- $k {
96 -activebackground {}
97 default { lappend cmd $k $v }
100 eval $cmd
101 } else {
102 eval [linsert $args 0 label $w]
106 # The padded label gets used in the about class.
107 proc paddedlabel {w args} {
108 global use_ttk
109 if {$use_ttk} {
110 eval [linsert $args 0 ttk::label $w -style Padded.TLabel]
111 } else {
112 eval [linsert $args 0 label $w \
113 -padx 5 -pady 5 \
114 -justify left \
115 -anchor w \
116 -borderwidth 1 \
117 -relief solid]
121 # Create a toplevel for use as a dialog.
122 # If available, sets the EWMH dialog hint and if ttk is enabled
123 # place a themed frame over the surface.
124 proc Dialog {w args} {
125 eval [linsert $args 0 toplevel $w -class Dialog]
126 catch {wm attributes $w -type dialog}
127 pave_toplevel $w
128 return $w
131 # Tk toplevels are not themed - so pave it over with a themed frame to get
132 # the base color correct per theme.
133 proc pave_toplevel {w} {
134 global use_ttk
135 if {$use_ttk && ![winfo exists $w.!paving]} {
136 set paving [ttk::frame $w.!paving]
137 place $paving -x 0 -y 0 -relwidth 1 -relheight 1
138 lower $paving
142 # Create a scrolled listbox with appropriate border for the current theme.
143 # On many themes the border for a scrolled listbox needs to go around the
144 # listbox and the scrollbar.
145 proc slistbox {w args} {
146 global use_ttk NS
147 if {$use_ttk} {
148 set f [ttk::frame $w -style SListbox.TFrame -padding 2]
149 } else {
150 set f [frame $w -relief flat]
152 if {[catch {
153 if {$use_ttk} {
154 eval [linsert $args 0 listbox $f.list -relief flat \
155 -highlightthickness 0 -borderwidth 0]
156 } else {
157 eval [linsert $args 0 listbox $f.list]
159 ${NS}::scrollbar $f.vs -command [list $f.list yview]
160 $f.list configure -yscrollcommand [list $f.vs set]
161 grid $f.list $f.vs -sticky news
162 grid rowconfigure $f 0 -weight 1
163 grid columnconfigure $f 0 -weight 1
164 bind $f.list <<ListboxSelect>> \
165 [list event generate $w <<ListboxSelect>>]
166 interp hide {} $w
167 interp alias {} $w {} $f.list
168 } err]} {
169 destroy $f
170 return -code error $err
172 return $w
175 # fetch the background color from a widget.
176 proc get_bg_color {w} {
177 global use_ttk
178 if {$use_ttk} {
179 set bg [ttk::style lookup [winfo class $w] -background]
180 } else {
181 set bg [$w cget -background]
183 return $bg
186 # ttk::spinbox didn't get added until 8.6
187 proc tspinbox {w args} {
188 global use_ttk
189 if {$use_ttk && [llength [info commands ttk::spinbox]] > 0} {
190 eval [linsert $args 0 ttk::spinbox $w]
191 } else {
192 eval [linsert $args 0 spinbox $w]
196 proc tentry {w args} {
197 global use_ttk
198 if {$use_ttk} {
199 InitTheme
200 ttk::entry $w -style Edged.Entry
201 } else {
202 entry $w
205 rename $w _$w
206 interp alias {} $w {} tentry_widgetproc $w
207 eval [linsert $args 0 tentry_widgetproc $w configure]
208 return $w
210 proc tentry_widgetproc {w cmd args} {
211 global use_ttk
212 switch -- $cmd {
213 state {
214 if {$use_ttk} {
215 return [uplevel 1 [list _$w $cmd] $args]
216 } else {
217 if {[lsearch -exact $args pressed] != -1} {
218 _$w configure -background lightpink
219 } else {
220 _$w configure -background lightgreen
224 configure {
225 if {$use_ttk} {
226 if {[set n [lsearch -exact $args -background]] != -1} {
227 set args [lreplace $args $n [incr n]]
228 if {[llength $args] == 0} {return}
231 return [uplevel 1 [list _$w $cmd] $args]
233 default { return [uplevel 1 [list _$w $cmd] $args] }
237 # Tk 8.6 provides a standard font selection dialog. This uses the native
238 # dialogs on Windows and MacOSX or a standard Tk dialog on X11.
239 proc tchoosefont {w title familyvar sizevar} {
240 if {[package vsatisfies [package provide Tk] 8.6]} {
241 upvar #0 $familyvar family
242 upvar #0 $sizevar size
243 tk fontchooser configure -parent $w -title $title \
244 -font [list $family $size] \
245 -command [list on_choosefont $familyvar $sizevar]
246 tk fontchooser show
247 } else {
248 choose_font::pick $w $title $familyvar $sizevar
252 # Called when the Tk 8.6 fontchooser selects a font.
253 proc on_choosefont {familyvar sizevar font} {
254 upvar #0 $familyvar family
255 upvar #0 $sizevar size
256 set font [font actual $font]
257 set family [dict get $font -family]
258 set size [dict get $font -size]
261 # Local variables:
262 # mode: tcl
263 # indent-tabs-mode: t
264 # tab-width: 4
265 # End: