From 15ce64e5282d617ca16a98e30ca697b5c31d9dad Mon Sep 17 00:00:00 2001
From: Nick White <git@njw.me.uk>
Date: Wed, 1 Jan 2014 14:17:46 +0000
Subject: Allow font family to be set, falling back to Times, and increase the
 default font size to 16

---
 tkread | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/tkread b/tkread
index b14204a..b4f9f2e 100755
--- a/tkread
+++ b/tkread
@@ -13,9 +13,9 @@
 # - if window width is small, reduce padx space
 # - make scrolling using mouse work even when text area isn't hovered over (also note this sort of scrolling doesn't update the title); integrate the MouseWheel event with scroll. this *should* also fix the issue of dragging and then leaving the window, as the strange scrolling is likely caused by related default behaviour
 # - add more markdown processing
-# - use font create / configure to name a font to simplify changing its size
 
-set fontsize 15
+set fontfamily {Linux Libertine O}
+set fontsize 16
 set textcolour #443322
 set bgcolour #eeeeee
 set outercolour #f8f8f5
@@ -49,6 +49,7 @@ proc rewrap {text} {
 # deleted without affecting the position for formatting.
 proc markup {widget} {
 	global surroundfmt
+	global fontfamily
 	global fontsize
 	global tagnum
 
@@ -86,22 +87,23 @@ proc markup {widget} {
 			$widget tag add tag_$tagnum markon_$x markoff_$x
 		}
 
-		$widget tag configure tag_$tagnum -font "Times $fontsize $fmtstring"
+		$widget tag configure tag_$tagnum -font "{$fontfamily} $fontsize $fmtstring"
 		incr tagnum
 	}
 }
 
 proc changeFontSize {change} {
+	global fontfamily
 	global fontsize
 	global surroundfmt
 	global tagnum
 	set newsize [expr $fontsize $change]
 	if {$newsize > 0} {
 		set fontsize $newsize
-		.t configure -font "Times $fontsize" -padx [expr $fontsize * 3]
+		.t configure -font "{$fontfamily} $fontsize" -padx [expr $fontsize * 3]
 		for {set x 0} {$x < $tagnum} {incr x} {
 			set fmtstring [lindex [lindex $surroundfmt $x] 1]
-			.t tag configure tag_$x -font "Times $fontsize $fmtstring"
+			.t tag configure tag_$x -font "{$fontfamily} $fontsize $fmtstring"
 		}
 	}
 }
@@ -136,8 +138,12 @@ proc doMotion {ypos} {
 	set lasty $ypos
 }
 
+if { [lsearch [font families] "$fontfamily"] == -1 } {
+	# A font called "Times" is guaranteed by Tk to be available
+	set fontfamily Times
+}
 . configure -bg $outercolour
-text .t -font "Times $fontsize" -wrap word -width 64 -padx [expr $fontsize * 3] -bg $bgcolour -fg $textcolour -relief flat -inactiveselectbackground {} -cursor {}
+text .t -font "{$fontfamily} $fontsize" -wrap word -width 64 -padx [expr $fontsize * 3] -bg $bgcolour -fg $textcolour -relief flat -inactiveselectbackground {} -cursor {}
 pack .t -expand yes -fill y
 set text [read stdin]
 foreach arg $::argv {
-- 
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