[gnome-builder/wip/chergert/completion] completion: allow markup for LHS

[Christian Hergert <chergert src gnome org>]

commit e807f2a21b691c8709aa2f3cd3ede4cd312bce5b
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jun 4 21:37:47 2018 -0700

    completion: allow markup for LHS

 .../completion/ide-completion-list-box-row.c       | 26 ++++++++++++++++++++++
 .../completion/ide-completion-list-box-row.h       |  3 +++
 2 files changed, 29 insertions(+)
---
diff --git a/src/libide/completion/ide-completion-list-box-row.c 
b/src/libide/completion/ide-completion-list-box-row.c
index 65a493a53..942666ac6 100644
--- a/src/libide/completion/ide-completion-list-box-row.c
+++ b/src/libide/completion/ide-completion-list-box-row.c
@@ -204,6 +204,32 @@ ide_completion_list_box_row_set_left (IdeCompletionListBoxRow *self,
   gtk_label_set_label (self->left, left);
 }
 
+/**
+ * ide_completion_list_box_row_set_left_markup:
+ * @self: a #IdeCompletionListBoxRow
+ * @left_markup: (nullable): markup for the left column
+ *
+ */
+void
+ide_completion_list_box_row_set_left_markup (IdeCompletionListBoxRow *self,
+                                             const gchar             *left_markup)
+{
+  g_autofree gchar *adjusted = NULL;
+
+  g_return_if_fail (IDE_IS_COMPLETION_LIST_BOX_ROW (self));
+
+  /*
+   * HACK: For some reason labels ending in a <span fgalpha=xxx> span
+   *       cause fgalpha to effect external pango contexts and i have
+   *       no idea how/why that is happening.
+   */
+  if (left_markup != NULL && g_str_has_suffix (left_markup, "</span>"))
+    left_markup = adjusted = g_strdup_printf ("%s ", left_markup);
+
+  gtk_label_set_label (self->left, left_markup);
+  gtk_label_set_use_markup (self->left, TRUE);
+}
+
 /**
  * ide_completion_list_box_row_set_center:
  * @self: a #IdeCompletionListBoxRow
diff --git a/src/libide/completion/ide-completion-list-box-row.h 
b/src/libide/completion/ide-completion-list-box-row.h
index 6aede5253..4a7177e15 100644
--- a/src/libide/completion/ide-completion-list-box-row.h
+++ b/src/libide/completion/ide-completion-list-box-row.h
@@ -44,6 +44,9 @@ IDE_AVAILABLE_IN_3_30
 void                   ide_completion_list_box_row_set_left          (IdeCompletionListBoxRow *self,
                                                                       const gchar             *left);
 IDE_AVAILABLE_IN_3_30
+void                   ide_completion_list_box_row_set_left_markup   (IdeCompletionListBoxRow *self,
+                                                                      const gchar             *left_markup);
+IDE_AVAILABLE_IN_3_30
 void                   ide_completion_list_box_row_set_right         (IdeCompletionListBoxRow *self,
                                                                       const gchar             *right);
 IDE_AVAILABLE_IN_3_30