Fix slowdown and wrong font choosed by XSETTINGS changes. bug #5157.

* font.c (font_open_entity): Enable chache and call cached_font_ok
for the driver if defined.
(QCuser_spec): New symbol.
(font_spec_from_name): Save name as user-spec.
(font_load_for_lface): Keep user-spec instead of name.
(font_open_by_name): Save name as user-spec.
(syms_of_font): Initialize QCuser_spec.

* xftfont.c (xftfont_open): Call xftfont_add_rendering_parameters.
(xftfont_add_rendering_parameters, xftfont_cached_font_ok): New.
(syms_of_xftfont): Initialize xftfont_driver.cached_font_ok.

* font.h (struct font_driver): Add cached_font_ok.

* font-setting.el (font-setting-change-default-font): Use user-spec
  instead of name.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 131abcb9f96..84b147418cb 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,19 @@
 2010-01-06  Jan Djärv  <jan.h.d@swipnet.se>
 
+        * font.c (font_open_entity): Enable chache and call cached_font_ok
+        for the driver if defined.
+        (QCuser_spec): New symbol.
+        (font_spec_from_name): Save name as user-spec.
+        (font_load_for_lface): Keep user-spec instead of name.
+        (font_open_by_name): Save name as user-spec.
+        (syms_of_font): Initialize QCuser_spec.
+
+        * xftfont.c (xftfont_open): Call xftfont_add_rendering_parameters.
+        (xftfont_add_rendering_parameters, xftfont_cached_font_ok): New.
+        (syms_of_xftfont): Initialize xftfont_driver.cached_font_ok.
+
+        * font.h (struct font_driver): Add cached_font_ok.
+
         * xterm.c (x_clear_frame): Queue draw for scroll bars.
 
 2010-01-05  Jan Djärv  <jan.h.d@swipnet.se>