ref-filter: implement %(if), %(then), and %(else) atoms

diff --git a/git-gui/lib/themed.tcl b/git-gui/lib/themed.tcl
index 8b88d3678b7ddd802260f47bcfeff8a895d93f3f..351a712c8c503eb5a04466afb8aa5acd7f0259f5 100644 (file)
--- a/git-gui/lib/themed.tcl
+++ b/git-gui/lib/themed.tcl
@@ -78,6 +78,57 @@ proc InitTheme {} {
        }
 }
 
+# Define a style used for the surround of text widgets.
+proc InitEntryFrame {} {
+       ttk::style theme settings default {
+               ttk::style layout EntryFrame {
+                       EntryFrame.field -sticky nswe -border 0 -children {
+                               EntryFrame.fill -sticky nswe -children {
+                                       EntryFrame.padding -sticky nswe
+                               }
+                       }
+               }
+               ttk::style configure EntryFrame -padding 1 -relief sunken
+               ttk::style map EntryFrame -background {}
+       }
+       ttk::style theme settings classic {
+               ttk::style configure EntryFrame -padding 2 -relief sunken
+               ttk::style map EntryFrame -background {}
+       }
+       ttk::style theme settings alt {
+               ttk::style configure EntryFrame -padding 2
+               ttk::style map EntryFrame -background {}
+       }
+       ttk::style theme settings clam {
+               ttk::style configure EntryFrame -padding 2
+               ttk::style map EntryFrame -background {}
+       }
+
+       # Ignore errors for missing native themes
+       catch {
+               ttk::style theme settings winnative {
+                       ttk::style configure EntryFrame -padding 2
+               }
+               ttk::style theme settings xpnative {
+                       ttk::style configure EntryFrame -padding 1
+                       ttk::style element create EntryFrame.field vsapi \
+                               EDIT 1 {disabled 4 focus 3 active 2 {} 1} -padding 1
+               }
+               ttk::style theme settings vista {
+                       ttk::style configure EntryFrame -padding 2
+                       ttk::style element create EntryFrame.field vsapi \
+                               EDIT 6 {disabled 4 focus 3 active 2 {} 1} -padding 2
+               }
+       }
+
+       bind EntryFrame <Enter> {%W instate !disabled {%W state active}}
+       bind EntryFrame <Leave> {%W state !active}
+       bind EntryFrame <<ThemeChanged>> {
+               set pad [ttk::style lookup EntryFrame -padding]
+               %W configure -padding [expr {$pad eq {} ? 1 : $pad}]
+       }
+}
+
 proc gold_frame {w args} {
        global use_ttk
        if {$use_ttk} {
@@ -123,7 +174,7 @@ proc paddedlabel {w args} {
 # place a themed frame over the surface.
 proc Dialog {w args} {
        eval [linsert $args 0 toplevel $w -class Dialog]
-       catch {wm attributes $w -type dialog}   
+       catch {wm attributes $w -type dialog}
        pave_toplevel $w
        return $w
 }
@@ -193,6 +244,40 @@ proc tspinbox {w args} {
        }
 }
 
+# Create a text widget with any theme specific properties.
+proc ttext {w args} {
+       global use_ttk
+       if {$use_ttk} {
+               switch -- [ttk::style theme use] {
+                       "vista" - "xpnative" {
+                               lappend args -highlightthickness 0 -borderwidth 0
+                       }
+               }
+       }
+       set w [eval [linsert $args 0 text $w]]
+       if {$use_ttk} {
+               if {[winfo class [winfo parent $w]] eq "EntryFrame"} {
+                       bind $w <FocusIn> {[winfo parent %W] state focus}
+                       bind $w <FocusOut> {[winfo parent %W] state !focus}
+               }
+       }
+       return $w
+}
+
+# themed frame suitable for surrounding a text field.
+proc textframe {w args} {
+       global use_ttk
+       if {$use_ttk} {
+               if {[catch {ttk::style layout EntryFrame}]} {
+                       InitEntryFrame
+               }
+               eval [linsert $args 0 ttk::frame $w -class EntryFrame -style EntryFrame]
+       } else {
+               eval [linsert $args 0 frame $w]
+       }
+       return $w
+}
+
 proc tentry {w args} {
        global use_ttk
        if {$use_ttk} {