[vte/wip/egmont/bidi: 13/21] shaping demo

From: Egmont Koblinger <egmontkob src gnome org>
To: commits-list gnome org
Cc:
Subject: [vte/wip/egmont/bidi: 13/21] shaping demo
Date: Sat, 1 Jun 2019 12:59:42 +0000 (UTC)
commit 1632856ee6cf20317cc8553f014ebcf596e8ea63
Author: Egmont Koblinger <egmont gmail com>
Date:   Fri May 24 16:46:29 2019 +0200

    shaping demo

 doc/bidi.txt | 26 ++++++++++++++++++++++++++
 src/bidi.cc  |  2 +-
 2 files changed, 27 insertions(+), 1 deletion(-)
---
diff --git a/doc/bidi.txt b/doc/bidi.txt
index a8145824..ef7911bc 100644
--- a/doc/bidi.txt
+++ b/doc/bidi.txt
@@ -10,6 +10,8 @@ transcribed to English (“Shalom” abbreviated to occupy the same width).[m
 All words, except for subsection titles under explicit modes, should show up
 in human readable order.
 
+At Arabic shaping demos, runs of connected letters are denoted.
+
 At box tests the reference rendering is upside down, so you should get nice
 squares everywhere.
 
@@ -41,6 +43,10 @@ squares everywhere.
 [32ma＜z  n＞x[m
 [36ma＜z  א＜ת[m
 
+[01mArabic shaping[m
+[32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36mالطرفية – استعمل سطر الأوامر[m
+
 [01mBox[m
 [32m┏━┓   a╔═╗z  n┌─┐x   ╭─╮[m
 [36m┗━┛   a╚═╝z  א┘─└ת   ╰─╯[m
@@ -77,6 +83,10 @@ squares everywhere.
                                                                       [32ma＜z  n＞x[m
 [36m[2 kא＜ת  a＜z[1 k[m
 
+[01mArabic shaping[m
+                                                    [32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36m[2 kالطرفية – استعمل سطر الأوامر[1 k[m
+
 [01mOld Hungarian Rovásírás[m
 (font at https://github.com/OldHungarian/old-hungarian-font)
                                                          [32mΛᛩHTΛᛩMↄH ↄ4TH4Λↄ¤ᛝ +ΛↃ[m
@@ -106,6 +116,10 @@ squares everywhere.
 [32moi7 incididunt ut labore et dolore magna aliqua.[m
 [36m[?2501hLorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor שָׁלוֹם 
incididunt ut labore et dolore magna aliqua.[?2501l[m
 
+[01mArabic shaping[m
+                                                    [32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36m[?2501hالطرفية – استعمل سطر الأوامر[?2501l[m
+
 [01mBox[m
 [32m┏━┓   a╔═╗z  n┌─┐x   ╭─╮[m[?2501h
 [36m┗━┛   a╚═╝z  א┘─└ת   ╰─╯[m[?2501l
@@ -130,6 +144,10 @@ squares everywhere.
 [32moi7 incididunt ut labore et dolore magna aliqua.[m
 [36m[2 k[?2501hLorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor שָׁלוֹם 
incididunt ut labore et dolore magna aliqua.[?2501l[1 k[m
 
+[01mArabic shaping[m
+                                                    [32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36m[2 k[?2501hالطرفية – استعمل سطر الأوامر[?2501l[1 k[m
+
 [01mBox[m
                                                         [32m╭─╮   a┌─┐z  n╔═╗x   ┏━┓[m[2 k[?2501h
 [36m┛━┗   א╝═╚ת  a└─┘z   ╯─╰[m[?2501l[1 k
@@ -149,6 +167,10 @@ squares everywhere.
 [32m⸤oi7w⸣ ⸤Hello⸣[m
 [36m[8l⸤םוֹלשָׁ⸣ ⸤Hello⸣[8h[m
 
+[01mArabic shaping[m
+[32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36m[8lرماوألا رطس لمعتسا – ةيفرطلا[8h[m
+
 [01mBox[m
 [32m┏━┓   a╔═╗z  n┌─┐x   ╭─╮[m[8l
 [36m┗━┛   a╚═╝z  ת└─┘א   ╰─╯[m[8h
@@ -172,6 +194,10 @@ squares everywhere.
                         [32m[4m［Ｌｏｒｅｍ[24m  ｉｐｓｕｍ  ｄｏｌｏｒ  ｓｉｔ  [4:3mａｍｅｔ）[m
 [36m[8l[2 k[4:3m（ｔｅｍａ[24m  ｔｉｓ  ｒｏｌｏｄ  ｍｕｓｐｉ  [4mｍｅｒｏＬ］[1 k[8h[m
 
+[01mArabic shaping[m
+                                                    [32m╶─╶╶╶─╶ ╶── ╶────╶ ╶ ╶──╶──╶[m
+[36m[8l[2 kالطرفية – استعمل سطر الأوامر[1 k[8h[m
+
 [01mBox[m
                                                         [32m╭─╮   a┌─┐z  n╔═╗x   ┏━┓[m[8l[2 k
 [36m┛━┗   א╝═╚ת  z┘─└a   ╯─╰[m[1 k[8h
diff --git a/src/bidi.cc b/src/bidi.cc
index ded325aa..71764833 100644
--- a/src/bidi.cc
+++ b/src/bidi.cc
@@ -368,7 +368,7 @@ void BidiRunner::paragraph(vte::grid::row_t start, vte::grid::row_t end)
         }
 #endif
 
-        explicit_paragraph(start, end, row_data->attr.bidi_flags & VTE_BIDI_RTL, false);
+        explicit_paragraph(start, end, row_data->attr.bidi_flags & VTE_BIDI_RTL, true);
 }
 
 /* Set up the mapping according to explicit mode, for all the lines
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