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From: Manuel Giraud <manuel@ledu-giraud.fr>
To: 58515@debbugs.gnu.org
Subject: bug#58515: 29.0.50; [PATCH] Fix menu bar height
Date: Fri, 14 Oct 2022 16:42:36 +0200	[thread overview]
Message-ID: <87tu46v543.fsf@elite.giraud> (raw)

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Hi,

This patch tries to fix height calculation for menu bar in X when not
using a toolkit.  It is taking into account the fact that the menu bar
face could be boxed.

There are others issues left (i.e. not handled by this patch):

      - a customization of the menu face does not trigger a redisplay,
        so one has to deactivate/re-activate the menu bar in order to
        update (I don't know how this is done for other faces)
        
      - with a boxed menu bar face, the box is not displayed correctly
        on the right side of the bar


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From 100ed84198cd97664a94e89d1730e97b1fabbbb9 Mon Sep 17 00:00:00 2001
From: Manuel Giraud <manuel@ledu-giraud.fr>
Date: Fri, 14 Oct 2022 16:24:10 +0200
Subject: [PATCH] Fix menu bar height for --with-x-toolkit=no

* src/xterm.c (x_menu_bar_height): New function to compute menu
bar height with menu face and boxed information.
(x_new_font): Use it.

* src/xfns.c (x_set_menu_bar_lines): Use it.
---
 src/xfns.c  |  2 +-
 src/xterm.c | 25 ++++++++++++++++++++++++-
 src/xterm.h |  1 +
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/xfns.c b/src/xfns.c
index 9112448899..3d93a6a207 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -1674,7 +1674,7 @@ x_set_menu_bar_lines (struct frame *f, Lisp_Object value, Lisp_Object oldval)
     }
 #else /* not USE_X_TOOLKIT && not USE_GTK */
   FRAME_MENU_BAR_LINES (f) = nlines;
-  FRAME_MENU_BAR_HEIGHT (f) = nlines * FRAME_LINE_HEIGHT (f);
+  FRAME_MENU_BAR_HEIGHT (f) = nlines * x_menu_bar_height (f);
   if (FRAME_X_WINDOW (f))
     x_clear_under_internal_border (f);
 
diff --git a/src/xterm.c b/src/xterm.c
index 9059ad7136..c3bc494667 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -25464,6 +25464,29 @@ x_io_error_quitter (Display *display)
 \f
 /* Changing the font of the frame.  */
 
+int
+x_menu_bar_height (struct frame *f)
+{
+  int font_ascent = 0;
+  int font_descent = 0;
+  int height = 0;
+
+  recompute_basic_faces (f);
+  if (FRAME_FACE_CACHE (f))
+    {
+      struct face *face = FACE_FROM_ID_OR_NULL (f, MENU_FACE_ID);
+      if (face && face->font)
+	{
+	  height += (face->box_horizontal_line_width > 0)
+	    ? (face->box_horizontal_line_width * 2)
+	    : 0;
+	  get_font_ascent_descent (face->font, &font_ascent, &font_descent);
+	}
+    }
+
+  return (height + font_ascent + font_descent);
+}
+
 /* Give frame F the font FONT-OBJECT as its default font.  The return
    value is FONT-OBJECT.  FONTSET is an ID of the fontset for the
    frame.  If it is negative, generate a new fontset from
@@ -25490,7 +25513,7 @@ x_new_font (struct frame *f, Lisp_Object font_object, int fontset)
   FRAME_LINE_HEIGHT (f) = font_ascent + font_descent;
 
 #ifndef USE_X_TOOLKIT
-  FRAME_MENU_BAR_HEIGHT (f) = FRAME_MENU_BAR_LINES (f) * FRAME_LINE_HEIGHT (f);
+  FRAME_MENU_BAR_HEIGHT (f) = FRAME_MENU_BAR_LINES (f) * x_menu_bar_height (f);
 #endif
   /* We could use a more elaborate calculation here.  */
   FRAME_TAB_BAR_HEIGHT (f) = FRAME_TAB_BAR_LINES (f) * FRAME_LINE_HEIGHT (f);
diff --git a/src/xterm.h b/src/xterm.h
index b68a234faa..5b914d48da 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -1595,6 +1595,7 @@ #define SELECTION_EVENT_TIME(eventp)	\
 extern void x_ignore_errors_for_next_request (struct x_display_info *);
 extern void x_stop_ignoring_errors (struct x_display_info *);
 extern void x_clear_errors (Display *);
+extern int x_menu_bar_height (struct frame *);
 extern void x_set_window_size (struct frame *, bool, int, int);
 extern void x_set_last_user_time_from_lisp (struct x_display_info *, Time);
 extern void x_make_frame_visible (struct frame *);
-- 
2.38.0


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Best regards,


In GNU Emacs 29.0.50 (build 1, x86_64-unknown-openbsd7.2, cairo version
 1.17.6) of 2022-10-14 built on elite.giraud
Repository revision: 820e6f399d0af56ebfdc581f68424f4cb9cbe53b
Repository branch: mgi/play
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: OpenBSD elite.giraud 7.2 GENERIC.MP#778 amd64

Configured using:
 'configure --prefix=/home/manuel/emacs --bindir=/home/manuel/bin
 --with-x-toolkit=no --without-sound --without-compress-install
 CPPFLAGS=-I/usr/local/include LDFLAGS=-L/usr/local/lib'

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Memory information:
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-- 
Manuel Giraud

             reply	other threads:[~2022-10-14 14:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-14 14:42 Manuel Giraud [this message]
2022-10-15  1:37 ` bug#58515: 29.0.50; [PATCH] Fix menu bar height Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-15  8:28   ` Manuel Giraud
2022-10-15  8:29     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors

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