File emacs-25.1-custom-fonts.patch of Package emacs

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File emacs-25.1-custom-fonts.patch of Package emacs

Work around openSUSE bug #1016172
 
---
 lisp/dynamic-setting.el |   12 ++++++++----
 src/xsettings.c         |    7 ++++++-
 2 files changed, 14 insertions(+), 5 deletions(-)

--- lisp/dynamic-setting.el
+++ lisp/dynamic-setting.el	2024-04-11 06:03:25.603986456 +0000
@@ -33,6 +33,7 @@
 ;;; Customizable variables
 
 (declare-function font-get-system-font "xsettings.c" ())
+(declare-function font-face-attributes "font.c" (font &optional frame))
 
 (defvar font-use-system-font)
 
@@ -42,15 +43,18 @@ If DISPLAY-OR-FRAME is a frame, the disp
 
 If SET-FONT is non-nil, change the font for frames.  Otherwise re-apply
 the current form for the frame (i.e. hinting or somesuch changed)."
-  (let ((new-font (and (fboundp 'font-get-system-font)
+  (let ((system-font (and (fboundp 'font-get-system-font)
 		       (font-get-system-font)))
-	(frame-list (frames-on-display-list display-or-frame)))
-    (when (and new-font (display-graphic-p display-or-frame))
+	(frame-list (frames-on-display-list display-or-frame))
+	(user-font (face-attribute 'default :font)))
+    (when (and system-font (display-graphic-p display-or-frame))
       (clear-font-cache)
       (if set-font
 	  ;; Set the font on all current and future frames, as though
 	  ;; the `default' face had been "set for this session":
-	  (set-frame-font new-font nil frame-list)
+	  (if (not user-font)
+		(set-frame-font system-font nil frame-list)
+	     (set-frame-font user-font nil frame-list))
 	;; Just reconsider the existing fonts on all frames on each
 	;; display, by clearing the font and face caches.  This will
 	;; cause all fonts to be recreated.
--- src/xsettings.c
+++ src/xsettings.c	2024-04-11 06:04:36.790667318 +0000
@@ -21,6 +21,7 @@ along with GNU Emacs.  If not, see <http
 
 #include <float.h>
 #include <limits.h>
+#include <math.h>
 #include <fcntl.h>
 
 #include <byteswap.h>
@@ -839,7 +840,11 @@ apply_xft_settings (Display_Info *dpyinf
 #endif
   FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
   FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
-  FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);
+
+  if (FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi) == FcResultMatch)
+    {
+      oldsettings.dpi = round(oldsettings.dpi);
+    }
 
   if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
     {

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File emacs-25.1-custom-fonts.patch of Package emacs

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