[geany/geany] b0160e: Avoid redundant margin computation when creating a new Scintilla widget

Colomban Wendling git-noreply at xxxxx
Thu Feb 4 22:30:19 UTC 2021


Branch:      refs/heads/startup-speed
Author:      Colomban Wendling <ban at herbesfolles.org>
Committer:   Colomban Wendling <ban at herbesfolles.org>
Date:        Thu, 04 Feb 2021 22:30:19 UTC
Commit:      b0160ec162e4d34a73307d02d41e073aa96e6987
             https://github.com/geany/geany/commit/b0160ec162e4d34a73307d02d41e073aa96e6987

Log Message:
-----------
Avoid redundant margin computation when creating a new Scintilla widget

Avoid recomputing margin widths 2 or 3 times when initially creating
the editing widget.  As computing the margin widths might be costly,
this can make widget creation about twice as fast.

Part of #2649.


Modified Paths:
--------------
    src/editor.c

Modified: src/editor.c
18 lines changed, 13 insertions(+), 5 deletions(-)
===================================================================
@@ -4597,25 +4597,34 @@ void editor_ensure_final_newline(GeanyEditor *editor)
 }
 
 
-void editor_set_font(GeanyEditor *editor, const gchar *font)
+/* Similar to editor_set_font() but *only* sets the font, and doesn't take care
+ * of updating properties that might depend on the font */
+static void set_font(ScintillaObject *sci, const gchar *font)
 {
 	gint style;
 	gchar *font_name;
 	PangoFontDescription *pfd;
 	gdouble size;
 
-	g_return_if_fail(editor);
+	g_return_if_fail(sci);
 
 	pfd = pango_font_description_from_string(font);
 	size = pango_font_description_get_size(pfd) / (gdouble) PANGO_SCALE;
 	font_name = g_strdup_printf("!%s", pango_font_description_get_family(pfd));
 	pango_font_description_free(pfd);
 
 	for (style = 0; style <= STYLE_MAX; style++)
-		sci_set_font_fractional(editor->sci, style, font_name, size);
+		sci_set_font_fractional(sci, style, font_name, size);
 
 	g_free(font_name);
+}
 
+
+void editor_set_font(GeanyEditor *editor, const gchar *font)
+{
+	g_return_if_fail(editor);
+
+	set_font(editor->sci, font);
 	update_margins(editor->sci);
 	/* zoom to 100% to prevent confusion */
 	sci_zoom_off(editor->sci);
@@ -4926,7 +4935,6 @@ static ScintillaObject *create_new_sci(GeanyEditor *editor)
 
 	setup_sci_keys(sci);
 
-	sci_set_symbol_margin(sci, editor_prefs.show_markers_margin);
 	sci_set_lines_wrapped(sci, editor->line_wrapping);
 	sci_set_caret_policy_x(sci, CARET_JUMPS | CARET_EVEN, 0);
 	/* Y policy is set in editor_apply_update_prefs() */
@@ -5000,7 +5008,7 @@ ScintillaObject *editor_create_widget(GeanyEditor *editor)
 	editor->sci = sci;
 
 	editor_set_indent(editor, iprefs->type, iprefs->width);
-	editor_set_font(editor, interface_prefs.editor_font);
+	set_font(editor->sci, interface_prefs.editor_font);
 	editor_apply_update_prefs(editor);
 
 	/* if editor already had a widget, restore it */



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