Don't link libXft when using cairo

* configure.ac: Check cairo early.  Don't try Xft if cairo is used.
* lwlib/lwlib-utils.h [USE_CAIRO]: Include cairo.h and fontconfig.h.
(XftFont, XftDraw, XftColor, XGlyphInfo) [USE_CAIRO]: New typedefs.
(XftFontOpenName, XftFontClose, XftDrawCreate, XftDrawDestroy)
(XftDrawRect, XftDrawStringUtf8, XftTextExtentsUtf8) [USE_CAIRO]: New macros.
(crxft_font_open_name, crxft_font_close, crxft_draw_create)
(crxft_draw_rect, crxft_draw_string, crxft_text_extents) [USE_CAIRO]: New
externs.
* lwlib/lwlib-utils.c [USE_CAIRO]: Include math.h, cairo-ft.h, and
cairo-xlib.h.
(crxft_font_open_name, crxft_font_close, crxft_draw_create)
(crxft_set_source_color, crxft_draw_rect, crxft_draw_string)
(crxft_text_extents) [USE_CAIRO]: New Xft compatibility functions.
* lwlib/xlwmenuP.h [USE_CAIRO]: Include lwlib-utils.h.
* lwlib/xlwmenu.c (display_menu_item) [USE_CAIRO]: Call
cairo_surface_mark_dirty and cairo_surface_flush.
* lwlib/lwlib-Xaw.c [USE_CAIRO]: Include stdlib.h and lwlib-utils.h.
(draw_text) [USE_CAIRO]: Call cairo_surface_flush.
* src/xsettings.c [USE_CAIRO]: Include fontconfig.h
(apply_xft_settings) [!HAVE_XFT]: Don't call XftDefaultSubstitute or
XftDefaultSet.
* lwlib/lwlib-Xaw.c:
* lwlib/lwlib-int.h:
* lwlib/xlwmenu.c:
* lwlib/xlwmenuP.h:
* src/xrdb.c:
* src/xsettings.c:
* src/xterm.c: Replace all #ifdef HAVE_XFT with #if defined USE_CAIRO ||
defined HAVE_XFT.
* src/xfns.c (x_default_font_parameter): Replace #ifdef HAVE_XFT with #if
defined	USE_CAIRO || defined HAVE_XFT.

5 files changed, 38 insertions, 30 deletions

diff --git a/src/menu.c b/src/menu.c
index 7f46e68e73e..e82c8570595 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -687,7 +687,7 @@ digest_single_submenu (int start, int end, bool top_level_items)
 
                   ASET (menu_items, i + MENU_ITEMS_PANE_NAME, pane_name);
                 }
-#elif defined (USE_LUCID) && defined (HAVE_XFT)
+#elif defined (USE_LUCID) && (defined USE_CAIRO || defined HAVE_XFT)
               if (STRINGP (pane_name))
                 {
                   pane_name = ENCODE_UTF_8 (pane_name);
diff --git a/src/xfns.c b/src/xfns.c
index dbc5e10c415..9075491e978 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -3487,7 +3487,7 @@ x_default_font_parameter (struct frame *f, Lisp_Object parms)
     {
       const char *names[]
         = {
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
             /* This will find the normal Xft font.  */
             "monospace-10",
 #endif
diff --git a/src/xrdb.c b/src/xrdb.c
index 35de446cb7a..0950b706699 100644
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -383,7 +383,7 @@ x_load_resources (Display *display, const char *xrm_string,
   XrmDatabase db;
   char line[256];
 
-#if defined USE_MOTIF || !defined HAVE_XFT || !defined USE_LUCID
+#if defined USE_MOTIF || !(defined USE_CAIRO || defined HAVE_XFT) || !defined USE_LUCID
   const char *helv = "-*-helvetica-medium-r-*--*-120-*-*-*-*-iso8859-1";
 #endif
 
@@ -456,7 +456,7 @@ x_load_resources (Display *display, const char *xrm_string,
 
   sprintf (line, "Emacs.dialog*.background: grey75");
   XrmPutLineResource (&rdb, line);
-#if !defined (HAVE_XFT) || !defined (USE_LUCID)
+#if !(defined USE_CAIRO || defined HAVE_XFT) || !defined (USE_LUCID)
   sprintf (line, "Emacs.dialog*.font: %s", helv);
   XrmPutLineResource (&rdb, line);
   sprintf (line, "*XlwMenu*font: %s", helv);
diff --git a/src/xsettings.c b/src/xsettings.c
index 947d5cfb7b6..3e9012e3ab1 100644
--- a/src/xsettings.c
+++ b/src/xsettings.c
@@ -45,9 +45,13 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 #include <gconf/gconf-client.h>
 #endif
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
+#ifdef USE_CAIRO
+#include <fontconfig/fontconfig.h>
+#else  /* HAVE_XFT */
 #include <X11/Xft/Xft.h>
 #endif
+#endif
 
 static char *current_mono_font;
 static char *current_font;
@@ -83,7 +87,7 @@ dpyinfo_valid (struct x_display_info *dpyinfo)
 
 /* Store a monospace font change event if the monospaced font changed.  */
 
-#if defined HAVE_XFT && (defined HAVE_GSETTINGS || defined HAVE_GCONF)
+#if (defined USE_CAIRO || defined HAVE_XFT) && (defined HAVE_GSETTINGS || defined HAVE_GCONF)
 static void
 store_monospaced_changed (const char *newfont)
 {
@@ -102,7 +106,7 @@ store_monospaced_changed (const char *newfont)
 
 /* Store a font name change event if the font name changed.  */
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
 static void
 store_font_name_changed (const char *newfont)
 {
@@ -117,7 +121,7 @@ store_font_name_changed (const char *newfont)
                                   XCAR (first_dpyinfo->name_list_element));
     }
 }
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 
 /* Map TOOL_BAR_STYLE from a string to its corresponding Lisp value.
    Return Qnil if TOOL_BAR_STYLE is not known.  */
@@ -157,7 +161,7 @@ store_tool_bar_style_changed (const char *newstyle,
                                 XCAR (dpyinfo->name_list_element));
 }
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
 #define XSETTINGS_FONT_NAME       "Gtk/FontName"
 #endif
 #define XSETTINGS_TOOL_BAR_STYLE  "Gtk/ToolbarStyle"
@@ -174,7 +178,7 @@ enum {
 };
 struct xsettings
 {
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   FcBool aa, hinting;
   int rgba, lcdfilter, hintstyle;
   double dpi;
@@ -191,7 +195,7 @@ struct xsettings
 #define GSETTINGS_SCHEMA         "org.gnome.desktop.interface"
 #define GSETTINGS_TOOL_BAR_STYLE "toolbar-style"
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
 #define GSETTINGS_MONO_FONT  "monospace-font-name"
 #define GSETTINGS_FONT_NAME  "font-name"
 #endif
@@ -224,7 +228,7 @@ something_changed_gsettingsCB (GSettings *settings,
           g_variant_unref (val);
         }
     }
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   else if (strcmp (key, GSETTINGS_MONO_FONT) == 0)
     {
       val = g_settings_get_value (settings, GSETTINGS_MONO_FONT);
@@ -253,14 +257,14 @@ something_changed_gsettingsCB (GSettings *settings,
           g_variant_unref (val);
         }
     }
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 }
 
 #endif /* HAVE_GSETTINGS */
 
 #ifdef HAVE_GCONF
 #define GCONF_TOOL_BAR_STYLE "/desktop/gnome/interface/toolbar_style"
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
 #define GCONF_MONO_FONT  "/desktop/gnome/interface/monospace_font_name"
 #define GCONF_FONT_NAME  "/desktop/gnome/interface/font_name"
 #endif
@@ -286,7 +290,7 @@ something_changed_gconfCB (GConfClient *client,
       const char *value = gconf_value_get_string (v);
       store_tool_bar_style_changed (value, first_dpyinfo);
     }
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   else if (strcmp (key, GCONF_MONO_FONT) == 0)
     {
       const char *value = gconf_value_get_string (v);
@@ -297,12 +301,12 @@ something_changed_gconfCB (GConfClient *client,
       const char *value = gconf_value_get_string (v);
       store_font_name_changed (value);
     }
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 }
 
 #endif /* HAVE_GCONF */
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
 
 /* Older fontconfig versions don't have FC_LCD_*.  */
 #ifndef FC_LCD_NONE
@@ -315,7 +319,7 @@ something_changed_gconfCB (GConfClient *client,
 #define FC_LCD_FILTER "lcdfilter"
 #endif
 
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 
 /* Find the window that contains the XSETTINGS property values.  */
 
@@ -440,7 +444,7 @@ parse_settings (unsigned char *prop,
       if (bytes_parsed > bytes) return settings_seen;
 
       want_this = strcmp (XSETTINGS_TOOL_BAR_STYLE, name) == 0;
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
       if ((nlen > 6 && memcmp (name, "Xft/", 4) == 0)
           || strcmp (XSETTINGS_FONT_NAME, name) == 0)
         want_this = true;
@@ -490,7 +494,7 @@ parse_settings (unsigned char *prop,
               dupstring (&settings->tb_style, sval);
               settings->seen |= SEEN_TB_STYLE;
             }
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
           else if (strcmp (name, XSETTINGS_FONT_NAME) == 0)
             {
               dupstring (&settings->font, sval);
@@ -553,7 +557,7 @@ parse_settings (unsigned char *prop,
               else
                 settings->seen &= ~SEEN_LCDFILTER;
             }
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
           else
             want_this = false;
           settings_seen += want_this;
@@ -604,16 +608,18 @@ static void
 apply_xft_settings (struct x_display_info *dpyinfo,
                     struct xsettings *settings)
 {
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   FcPattern *pat;
   struct xsettings oldsettings;
   bool changed = false;
 
   memset (&oldsettings, 0, sizeof (oldsettings));
   pat = FcPatternCreate ();
+#ifdef HAVE_XFT
   XftDefaultSubstitute (dpyinfo->display,
                         XScreenNumberOfScreen (dpyinfo->screen),
                         pat);
+#endif
   FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
   FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
 #ifdef FC_HINT_STYLE
@@ -713,7 +719,9 @@ apply_xft_settings (struct x_display_info *dpyinfo,
       };
       char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];
 
+#ifdef HAVE_XFT
       XftDefaultSet (dpyinfo->display, pat);
+#endif
       store_config_changed_event (Qfont_render,
                                   XCAR (dpyinfo->name_list_element));
       Vxft_settings
@@ -725,7 +733,7 @@ apply_xft_settings (struct x_display_info *dpyinfo,
     }
   else
     FcPatternDestroy (pat);
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 }
 
 /* Read XSettings from the display for DPYINFO.
@@ -748,7 +756,7 @@ read_and_apply_settings (struct x_display_info *dpyinfo, bool send_event_p)
         current_tool_bar_style = map_tool_bar_style (settings.tb_style);
       xfree (settings.tb_style);
     }
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   if (settings.seen & SEEN_FONT)
     {
       if (send_event_p)
@@ -850,7 +858,7 @@ init_gsettings (void)
       g_variant_unref (val);
     }
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   val = g_settings_get_value (gsettings_client, GSETTINGS_MONO_FONT);
   if (val)
     {
@@ -868,7 +876,7 @@ init_gsettings (void)
         dupstring (&current_font, g_variant_get_string (val, NULL));
       g_variant_unref (val);
     }
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 
 #endif /* HAVE_GSETTINGS */
 }
@@ -903,7 +911,7 @@ init_gconf (void)
       g_free (s);
     }
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   s = gconf_client_get_string (gconf_client, GCONF_MONO_FONT, NULL);
   if (s)
     {
@@ -932,7 +940,7 @@ init_gconf (void)
                            GCONF_FONT_NAME,
                            something_changed_gconfCB,
                            NULL, NULL, NULL);
-#endif /* HAVE_XFT */
+#endif /* USE_CAIRO || HAVE_XFT */
 #endif /* HAVE_GCONF */
 }
 
@@ -1055,7 +1063,7 @@ If this variable is nil, Emacs ignores system font changes.  */);
                doc: /* Font settings applied to Xft.  */);
   Vxft_settings = empty_unibyte_string;
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   Fprovide (intern_c_string ("font-render-setting"), Qnil);
 #if defined (HAVE_GCONF) || defined (HAVE_GSETTINGS)
   Fprovide (intern_c_string ("system-font-setting"), Qnil);
diff --git a/src/xterm.c b/src/xterm.c
index 0b83263a0e6..e85e8e35d44 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -12733,7 +12733,7 @@ x_term_init (Lisp_Object display_name, char *xrm_option, char *resource_name)
     dpyinfo->supports_xdbe = true;
 #endif
 
-#ifdef HAVE_XFT
+#if defined USE_CAIRO || defined HAVE_XFT
   {
     /* If we are using Xft, the following precautions should be made: