[vte/wip/egmont/bidi: 12/16] widget, bidi: Denote the direction in the I-beam cursor



commit 315be818ba304da0349c074c52266dc06e17f5e1
Author: Egmont Koblinger <egmont gmail com>
Date:   Sat Jun 1 15:55:58 2019 +0200

    widget,bidi: Denote the direction in the I-beam cursor
    
    Show the direction of the character underneath if the paragraph contains
    a character of foreign direction. Currently for I-beam cursor shape only.

 src/vte.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/src/vte.cc b/src/vte.cc
index ebce50e6..d5534b9c 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -9541,6 +9541,16 @@ Terminal::paint_cursor()
                         _vte_draw_fill_rectangle(m_draw,
                                                  x, y + m_char_padding.top, stem_width, m_char_ascent + 
m_char_descent,
                                                  &bg, VTE_DRAW_OPAQUE);
+
+                        /* Show the direction of the current character if the paragraph contains a mixture
+                         * of directions.
+                         * FIXME Do this for the other cursor shapes, too. Need to find a good visual 
design. */
+                        if (focus && bidirow->has_foreign())
+                                _vte_draw_fill_rectangle(m_draw,
+                                                         bidirow->vis_is_rtl(vcol) ? x - stem_width : x + 
stem_width,
+                                                         y + m_char_padding.top,
+                                                         stem_width, stem_width,
+                                                         &bg, VTE_DRAW_OPAQUE);
                        break;
                 }
 


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