I just tried the patch and it doesn't seem to work for me, if I change a type
name other occurrences of it don't change:
```C
typedef int bar;
bar z;
```
if you change the name of the typedef, the typedef itself gets re-highlighted
when the cursor blinks (roughly a second later), but the usage below don't.
However, instead of re-colorizing everything maybe we could only colorize up to
the end of the visible area, which would mitigate (or even eradicate?) the
slowness:
```diff
diff --git a/src/editor.c b/src/editor.c
index 1336588..cfbfbe9 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -4682,12 +4682,20 @@ on_editor_scroll_event(GtkWidget *widget,
GdkEventScroll *event, gpointer user_d
static gboolean editor_check_colourise(GeanyEditor *editor)
{
GeanyDocument *doc = editor->document;
+ gint start_line, end_line, start, end;
if (!doc->priv->colourise_needed)
return FALSE;
+ start_line = SSM(editor->sci, SCI_GETFIRSTVISIBLELINE, 0, 0);
+ end_line = start_line + SSM(editor->sci, SCI_LINESONSCREEN, 0, 0);
+ start_line = SSM(editor->sci, SCI_DOCLINEFROMVISIBLE, start_line, 0);
+ end_line = SSM(editor->sci, SCI_DOCLINEFROMVISIBLE, end_line, 0);
+ start = sci_get_position_from_line(editor->sci, start_line);
+ end = sci_get_line_end_position(editor->sci, end_line);
+
doc->priv->colourise_needed = FALSE;
- sci_colourise(editor->sci, 0, -1);
+ sci_colourise(editor->sci, start, end);
/* now that the current document is colourised, fold points are now
accurate,
* so force an update of the current function/tag. */
```
---
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https://github.com/geany/geany/pull/575#issuecomment-164031773
