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From: Stefan Haller <stefan@haller-berlin.de>
To: serg.partizan@gmail.com
Cc: me@yadavpratyush.com, git@vger.kernel.org
Subject: [PATCH v2] git-gui: use gray background for inactive text widgets
Date: Tue, 24 Nov 2020 22:23:33 +0100
Message-ID: <20201124212333.80040-1-stefan@haller-berlin.de> (raw)
In-Reply-To: <55348fbb-95bb-1dd2-4e17-4fc622ae7603@haller-berlin.de>

Second version; it simplifies the code to initialize and update the colors in
the two file list views a bit, and it calculates a gray color for the inactive
selection from the active selection. This looks a lot better in the themes I
have tried.

The bug with the inactive diff selection background on Mac is still there,
however.

--- 8< ---

This makes it easier to see at a glance which of the four main views has the
keyboard focus.
---
 git-gui.sh     | 18 ++++++++++++------
 lib/themed.tcl | 21 +++++++++++++++++----
 2 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/git-gui.sh b/git-gui.sh
index 867b8ce..e818caa 100755
--- a/git-gui.sh
+++ b/git-gui.sh
@@ -720,9 +720,6 @@ proc rmsel_tag {text} {
 		-background [$text cget -background] \
 		-foreground [$text cget -foreground] \
 		-borderwidth 0
-	$text tag conf in_sel\
-		-background $color::select_bg \
-		-foreground $color::select_fg
 	bind $text <Motion> break
 	return $text
 }
@@ -3322,11 +3319,20 @@ if {!$use_ttk} {
 	.vpane.files paneconfigure .vpane.files.index -sticky news
 }

+proc set_selection_colors {w has_focus} {
+	foreach tag [list in_diff in_sel] {
+		$w tag conf $tag \
+			-background [expr {$has_focus ? $color::select_bg : $color::inactive_select_bg}] \
+			-foreground [expr {$has_focus ? $color::select_fg : $color::inactive_select_fg}]
+	}
+}
+
 foreach i [list $ui_index $ui_workdir] {
 	rmsel_tag $i
-	$i tag conf in_diff \
-		-background $color::select_bg \
-		-foreground $color::select_fg
+
+	set_selection_colors $i 0
+	bind $i <FocusIn>	{ set_selection_colors %W 1 }
+	bind $i <FocusOut>	{ set_selection_colors %W 0 }
 }
 unset i

diff --git a/lib/themed.tcl b/lib/themed.tcl
index eda5f8c..db49085 100644
--- a/lib/themed.tcl
+++ b/lib/themed.tcl
@@ -6,8 +6,10 @@ namespace eval color {
 	# Variable colors
 	# Preffered way to set widget colors is using add_option.
 	# In some cases, like with tags in_diff/in_sel, we use these colors.
-	variable select_bg		lightgray
-	variable select_fg		black
+	variable select_bg				lightgray
+	variable select_fg				black
+	variable inactive_select_bg		lightgray
+	variable inactive_select_fg		black

 	proc sync_with_theme {} {
 		set base_bg		[ttk::style lookup . -background]
@@ -19,6 +21,8 @@ namespace eval color {

 		set color::select_bg $select_bg
 		set color::select_fg $select_fg
+		set color::inactive_select_bg [convert_rgb_to_gray $select_bg]
+		set color::inactive_select_fg $select_fg

 		proc add_option {key val} {
 			option add $key $val widgetDefault
@@ -36,11 +40,20 @@ namespace eval color {
 		add_option *Text.Foreground $text_fg
 		add_option *Text.selectBackground $select_bg
 		add_option *Text.selectForeground $select_fg
-		add_option *Text.inactiveSelectBackground $select_bg
-		add_option *Text.inactiveSelectForeground $select_fg
+		add_option *Text.inactiveSelectBackground $color::inactive_select_bg
+		add_option *Text.inactiveSelectForeground $color::inactive_select_fg
 	}
 }

+proc convert_rgb_to_gray {rgb} {
+	# Simply take the average of red, green and blue. This wouldn't be good
+	# enough for, say, converting a photo to grayscale, but for this simple
+	# purpose of approximating the brightness of a color it's good enough.
+	lassign [winfo rgb . $rgb] r g b
+	set gray [expr {($r / 256 + $g / 256 + $b / 256) / 3}]
+	return [format "#%2.2X%2.2X%2.2X" $gray $gray $gray]
+}
+
 proc ttk_get_current_theme {} {
 	# Handle either current Tk or older versions of 8.5
 	if {[catch {set theme [ttk::style theme use]}]} {
--
2.29.0.21.g59e7d82785.dirty


  reply	other threads:[~2020-11-24 22:20 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24 15:48 [PATCH] git-gui: Basic dark mode support Serg Tereshchenko
2020-08-25 19:01 ` Matthias Aßhauer
2020-09-22 11:04 ` Pratyush Yadav
2020-09-26 14:54   ` [PATCH v2] " Serg Tereshchenko
2020-10-07 11:07     ` Pratyush Yadav
2020-10-08  8:24       ` [PATCH] " Serg Tereshchenko
2020-10-08 13:07     ` [PATCH v2] " Pratyush Yadav
2020-11-21 17:47       ` Stefan Haller
2020-11-22 12:30         ` serg.partizan
2020-11-22 13:32         ` [PATCH] git-gui: Fix selected text colors Serg Tereshchenko
2020-11-22 15:41           ` Stefan Haller
2020-11-22 17:16             ` serg.partizan
2020-11-23 11:48               ` [PATCH] git-gui: use gray selection background for inactive text widgets Stefan Haller
2020-11-23 13:13                 ` serg.partizan
2020-11-23 19:03                   ` Stefan Haller
2020-11-23 20:08                     ` serg.partizan
2020-11-29 17:40                 ` Stefan Haller
2020-11-30 13:41                   ` serg.partizan
2020-11-30 18:08                     ` [PATCH] git-gui: use gray selection background for inactive text?? widgets Pratyush Yadav
2020-11-30 20:18                       ` [PATCH] git-gui: use gray selection background for inactive text widgets Stefan Haller
2020-11-30 20:18                         ` [PATCH] git-gui: keep showing selection when diff view gets deactivated on Mac Stefan Haller
2020-11-23 19:03               ` [PATCH] git-gui: Fix selected text colors Stefan Haller
2020-11-23 20:50                 ` serg.partizan
2020-11-24 21:19                   ` Stefan Haller
2020-11-24 21:23                     ` Stefan Haller [this message]
2020-12-17 21:49                       ` [PATCH v2] git-gui: use gray background for inactive text widgets Pratyush Yadav
2020-12-17 22:14                         ` Stefan Haller
2020-12-18 12:50                           ` Pratyush Yadav
2020-12-18 13:01                             ` Stefan Haller
2020-12-18  9:43                         ` [PATCH v3] " Stefan Haller
2020-12-18 12:51                           ` Pratyush Yadav
2020-12-18 19:46                           ` Pratyush Yadav
2020-12-17 20:23           ` [PATCH] git-gui: Fix selected text colors Pratyush Yadav
2020-10-07 11:13 ` [PATCH] git-gui: Basic dark mode support Pratyush Yadav
2020-10-08  8:20   ` Serg Tereshchenko
2020-10-08  8:28     ` Pratyush Yadav
2020-10-08  8:44       ` Serg Tereshchenko

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