From 9d001aaaf7e9c35a003236dbc69cfb3a870cf708 Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@blame.services>
Date: Sat, 30 Jul 2022 15:05:28 +0200
Subject: [PATCH] [Theme] Do a pango version check.

---
 INSTALL.md                | 2 +-
 doc/rofi-theme.5          | 8 ++++++++
 doc/rofi-theme.5.markdown | 4 ++++
 source/helper.c           | 7 ++++++-
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/INSTALL.md b/INSTALL.md
index 429d86bf..f62ffbfc 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -24,7 +24,7 @@ You can also use [Meson](https://mesonbuild.com/) as an alternative.
 
 ### External libraries
 
-*   libpango
+*   libpango >= 1.50
 *   libpangocairo
 *   libcairo
 *   libcairo-xcb
diff --git a/doc/rofi-theme.5 b/doc/rofi-theme.5
index 30ebfea3..f19cdf03 100644
--- a/doc/rofi-theme.5
+++ b/doc/rofi-theme.5
@@ -776,12 +776,20 @@ should be applied.
 \fB\fCunderline\fR: put a line under the text.
 .IP \(bu 2
 \fB\fCstrikethrough\fR: put a line through the text.
+
+.RE
+
+.PP
+The following options are available on pango 1.50.0 and up:
+
+.RS
 .IP \(bu 2
 \fB\fCuppercase\fR: Uppercase the text.
 .IP \(bu 2
 \fB\fClowercase\fR: Lowercase the text.
 .IP \(bu 2
 \fB\fCcapitalize\fR: Capitalize the text.
+This is currently disabled because of a Pango bug.
 
 .RE
 
diff --git a/doc/rofi-theme.5.markdown b/doc/rofi-theme.5.markdown
index 1a9716d3..acbd131d 100644
--- a/doc/rofi-theme.5.markdown
+++ b/doc/rofi-theme.5.markdown
@@ -500,9 +500,13 @@ should be applied.
  * `italic`: put the highlighted text in script type (slanted).
  * `underline`: put a line under the text.
  * `strikethrough`: put a line through the text.
+
+The following options are available on pango 1.50.0 and up:
+
  * `uppercase`: Uppercase the text.
  * `lowercase`: Lowercase the text.
  * `capitalize`: Capitalize the text.
+   This is currently disabled because of a Pango bug.
 
 ## Line style
 
diff --git a/source/helper.c b/source/helper.c
index 2662b2b2..583d128c 100644
--- a/source/helper.c
+++ b/source/helper.c
@@ -424,6 +424,7 @@ void helper_token_match_set_pango_attr_on_style(PangoAttrList *retv, int start,
     pa->end_index = end;
     pango_attr_list_insert(retv, pa);
   }
+#if PANGO_VERSION_CHECK(1, 50, 0)
   if (th.style & ROFI_HL_UPPERCASE) {
     PangoAttribute *pa =
         pango_attr_text_transform_new(PANGO_TEXT_TRANSFORM_UPPERCASE);
@@ -439,12 +440,16 @@ void helper_token_match_set_pango_attr_on_style(PangoAttrList *retv, int start,
     pango_attr_list_insert(retv, pa);
   }
   if (th.style & ROFI_HL_CAPITALIZE) {
+#if 0
     PangoAttribute *pa =
-        pango_attr_text_transform_new(PANGO_TEXT_TRANSFORM_CAPITALIZE);
+          pango_attr_text_transform_new(PANGO_TEXT_TRANSFORM_CAPITALIZE);
     pa->start_index = start;
     pa->end_index = end;
     pango_attr_list_insert(retv, pa);
+#endif
+    // Disabled because of bug in pango
   }
+#endif
   if (th.style & ROFI_HL_UNDERLINE) {
     PangoAttribute *pa = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
     pa->start_index = start;