Fix coding style

Especially, insert a space between function name and paren.

* src/alloc.c (garbage_collect):
* src/font.h:
* src/frame.h:
* src/fringe.c:
* src/gtkutil.c (xg_set_screen):
(xg_create_frame_widgets):
(xg_create_frame_outer_widgets):
(xg_get_file_name):
(xg_get_font):
(xg_update_scrollbar_pos):
* src/image.c (image_create_bitmap_from_file):
(xpm_load_image):
* src/pgtkfns.c (pgtk_get_monitor_scale_factor):
(is_wayland_display):
(pgtk_display_info_for_name):
(INSTALL_CURSOR):
(Fx_create_frame):
(Fx_display_mm_height):
(Fx_display_mm_width):
(Fx_display_pixel_width):
(Fx_display_pixel_height):
* src/pgtkselect.c (pgtk_selection_usable):
(Fpgtk_own_selection_internal):
(Fpgtk_get_selection_internal):
* src/pgtkterm.c:
(x_set_parent_frame):
(pgtk_draw_fringe_bitmap):
(pgtk_handle_draw):
(scroll_event):
(pgtk_text_scaling_factor):
(pgtk_term_init):
* src/pgtkterm.h:
* src/window.h:
* src/xdisp.c (redisplay_internal):
(draw_glyphs_debug):
(draw_glyphs):
(note_mouse_highlight):

12 files changed, 93 insertions, 94 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 9388cf1d08f..22e3e8e2a1b 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -6145,7 +6145,7 @@ garbage_collect (void)
   mark_kboards ();
   mark_threads ();
 #ifdef HAVE_PGTK
-  mark_pgtkterm();
+  mark_pgtkterm ();
 #endif
 
 #ifdef USE_GTK
diff --git a/src/font.h b/src/font.h
index 6ee7bcafffa..a847f232f6d 100644
--- a/src/font.h
+++ b/src/font.h
@@ -822,7 +822,7 @@ extern Lisp_Object merge_font_spec (Lisp_Object, Lisp_Object);
 
 extern Lisp_Object font_make_entity (void);
 extern Lisp_Object font_make_object (int, Lisp_Object, int);
-#if defined (HAVE_XFT) || defined (HAVE_FREETYPE) || defined (HAVE_NS) || defined(HAVE_PGTK)
+#if defined (HAVE_XFT) || defined (HAVE_FREETYPE) || defined (HAVE_NS) || defined (HAVE_PGTK)
 extern Lisp_Object font_build_object (int, Lisp_Object, Lisp_Object, double);
 #endif
 
diff --git a/src/frame.h b/src/frame.h
index 39607766049..fa6cc4a5617 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -1684,7 +1684,7 @@ extern const char *x_get_resource_string (const char *, const char *);
 extern void x_sync (struct frame *);
 #endif /* HAVE_X_WINDOWS */
 
-#if !defined(HAVE_NS) && !defined(HAVE_PGTK)
+#if !defined (HAVE_NS) && !defined (HAVE_PGTK)
 
 /* Set F's bitmap icon, if specified among F's parameters.  */
 
diff --git a/src/fringe.c b/src/fringe.c
index f22d0956982..441146d135d 100644
--- a/src/fringe.c
+++ b/src/fringe.c
@@ -1410,7 +1410,7 @@ If BITMAP overrides a standard fringe bitmap, the original bitmap is restored.
    On W32 and MAC (little endian), there's no need to do this.
 */
 
-#if defined (HAVE_X_WINDOWS) || defined(HAVE_PGTK)
+#if defined (HAVE_X_WINDOWS) || defined (HAVE_PGTK)
 static const unsigned char swap_nibble[16] = {
   0x0, 0x8, 0x4, 0xc,           /* 0000 1000 0100 1100 */
   0x2, 0xa, 0x6, 0xe,           /* 0010 1010 0110 1110 */
diff --git a/src/gtkutil.c b/src/gtkutil.c
index 7f8a33c01d7..6822aeb4e32 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -151,9 +151,9 @@ xg_set_screen (GtkWidget *w, struct frame *f)
         gtk_window_set_screen (GTK_WINDOW (w), gscreen);
     }
 #else
-  if (FRAME_X_DISPLAY(f) != DEFAULT_GDK_DISPLAY ())
+  if (FRAME_X_DISPLAY (f) != DEFAULT_GDK_DISPLAY ())
     {
-      GdkScreen *gscreen = gdk_display_get_default_screen (FRAME_X_DISPLAY(f));
+      GdkScreen *gscreen = gdk_display_get_default_screen (FRAME_X_DISPLAY (f));
 
       if (GTK_IS_MENU (w))
        gtk_menu_set_screen (GTK_MENU (w), gscreen);
@@ -1425,7 +1425,7 @@ xg_create_frame_widgets (struct frame *f)
       type = GTK_WINDOW_POPUP;
     }
   wtop = gtk_window_new (type);
-  gtk_widget_add_events(wtop, GDK_ALL_EVENTS_MASK);
+  gtk_widget_add_events (wtop, GDK_ALL_EVENTS_MASK);
 #endif
 
   /* gtk_window_set_has_resize_grip is a Gtk+ 3.0 function but Ubuntu
@@ -1626,7 +1626,7 @@ xg_create_frame_outer_widgets (struct frame *f)
   block_input ();
 
   wtop = gtk_window_new (type);
-  gtk_widget_add_events(wtop, GDK_ALL_EVENTS_MASK);
+  gtk_widget_add_events (wtop, GDK_ALL_EVENTS_MASK);
 
   xg_set_screen (wtop, f);
 
@@ -2582,7 +2582,7 @@ xg_get_file_name (struct frame *f,
 
 #ifdef HAVE_PGTK
   if (!FRAME_GTK_OUTER_WIDGET (f))
-    error("Can't open dialog from child frames");
+    error ("Can't open dialog from child frames");
 #endif
 
 #ifdef HAVE_GTK_FILE_SELECTION_NEW
@@ -2684,7 +2684,7 @@ xg_get_font (struct frame *f, const char *default_name)
 
 #ifdef HAVE_PGTK
   if (!FRAME_GTK_OUTER_WIDGET (f))
-    error("Can't open dialog from child frames");
+    error ("Can't open dialog from child frames");
 #endif
 
   w = gtk_font_chooser_dialog_new
@@ -4437,7 +4437,7 @@ xg_update_scrollbar_pos (struct frame *f,
           /* Don't obscure any child frames.  */
           XLowerWindow (FRAME_X_DISPLAY (f), GTK_WIDGET_TO_X_WIN (webox));
 #else
-          gdk_window_lower (gtk_widget_get_window(webox));
+          gdk_window_lower (gtk_widget_get_window (webox));
 #endif
         }
 
diff --git a/src/image.c b/src/image.c
index d03e16e5c8c..a41a2a16a64 100644
--- a/src/image.c
+++ b/src/image.c
@@ -585,15 +585,15 @@ image_create_bitmap_from_file (struct frame *f, Lisp_Object file)
 #ifdef HAVE_PGTK
   GError *err = NULL;
   ptrdiff_t id;
-  void * bitmap = gdk_pixbuf_new_from_file(SSDATA(file), &err);
+  void * bitmap = gdk_pixbuf_new_from_file (SSDATA (file), &err);
 
   if (!bitmap)
     {
-      g_error_free(err);
+      g_error_free (err);
       return -1;
     }
 
-  id = image_allocate_bitmap_record(f);
+  id = image_allocate_bitmap_record (f);
 
   dpyinfo->bitmaps[id - 1].img = bitmap;
   dpyinfo->bitmaps[id - 1].refcount = 1;
@@ -5034,7 +5034,7 @@ xpm_load_image (struct frame *f,
   Lisp_Object (*get_color_table) (Lisp_Object, const char *, int);
   Lisp_Object frame, color_symbols, color_table;
   int best_key;
-#if !defined(HAVE_NS)
+#if !defined (HAVE_NS)
   bool have_mask = false;
 #endif
   Emacs_Pix_Container ximg = NULL, mask_img = NULL;
diff --git a/src/pgtkfns.c b/src/pgtkfns.c
index 0f9f2e4c83f..3c2ea02831a 100644
--- a/src/pgtkfns.c
+++ b/src/pgtkfns.c
@@ -70,7 +70,7 @@ pgtk_get_monitor_scale_factor (const char *model)
     return 0.0;
 
   Lisp_Object mdl = build_string (model);
-  Lisp_Object tem = Fassoc(mdl, monitor_scale_factor_alist, Qnil);
+  Lisp_Object tem = Fassoc (mdl, monitor_scale_factor_alist, Qnil);
   if (NILP (tem))
     return 0;
   Lisp_Object cdr = Fcdr (tem);
@@ -134,10 +134,10 @@ check_pgtk_display_info (Lisp_Object object)
  * display.
  */
 static Lisp_Object
-is_wayland_display(Lisp_Object dpyname)
+is_wayland_display (Lisp_Object dpyname)
 {
   const char *p = SSDATA (dpyname);
-  if (strncmp(p, "wayland-", 8) != 0)
+  if (strncmp (p, "wayland-", 8) != 0)
     return Qnil;
   p += 8;
   do {
@@ -156,7 +156,7 @@ pgtk_display_info_for_name (Lisp_Object name)
 
   CHECK_STRING (name);
 
-  if (!NILP (is_wayland_display(name)))
+  if (!NILP (is_wayland_display (name)))
     {
       for (dpyinfo = x_display_list; dpyinfo; dpyinfo = dpyinfo->next)
         if (!NILP (is_wayland_display (XCAR (dpyinfo->name_list_element))))
@@ -1615,7 +1615,7 @@ This function is an internal primitive--use `make-frame' instead.  */ )
 
 
 #define INSTALL_CURSOR(FIELD, NAME) \
-  FRAME_X_OUTPUT(f)->FIELD = gdk_cursor_new_for_display(FRAME_X_DISPLAY(f), GDK_ ## NAME)
+  FRAME_X_OUTPUT (f)->FIELD = gdk_cursor_new_for_display (FRAME_X_DISPLAY (f), GDK_ ## NAME)
 
   INSTALL_CURSOR (text_cursor, XTERM);
   INSTALL_CURSOR (nontext_cursor, LEFT_PTR);
@@ -1693,13 +1693,12 @@ This function is an internal primitive--use `make-frame' instead.  */ )
       unblock_input ();
     }
 
-  if (FRAME_GTK_OUTER_WIDGET (f)) {
-    GList *w = gtk_container_get_children(GTK_CONTAINER(FRAME_GTK_OUTER_WIDGET (f)));
-    for (; w != NULL; w = w->next)
-      {
-        gtk_widget_show_all (GTK_WIDGET(w->data));
-      }
-  }
+  if (FRAME_GTK_OUTER_WIDGET (f))
+    {
+      GList *w = gtk_container_get_children (GTK_CONTAINER (FRAME_GTK_OUTER_WIDGET (f)));
+      for (; w != NULL; w = w->next)
+        gtk_widget_show_all (GTK_WIDGET (w->data));
+    }
 
   gui_default_parameter (f, parms, Qno_focus_on_map, Qnil,
                          NULL, NULL, RES_TYPE_BOOLEAN);
@@ -2204,7 +2203,7 @@ for each physical monitor, use `display-monitor-attributes-list'.  */)
       int mm = gdk_monitor_get_height_mm (monitor);
 
       if (rec.y == 0)
-        height_mm_at_0 = max(height_mm_at_0, mm);
+        height_mm_at_0 = max (height_mm_at_0, mm);
       else
         height_mm_at_other += mm;
     }
@@ -2245,7 +2244,7 @@ for each physical monitor, use `display-monitor-attributes-list'.  */)
       int mm = gdk_monitor_get_width_mm (monitor);
 
       if (rec.x == 0)
-        width_mm_at_0 = max(width_mm_at_0, mm);
+        width_mm_at_0 = max (width_mm_at_0, mm);
       else
         width_mm_at_other += mm;
     }
@@ -2572,7 +2571,7 @@ each physical monitor, use `display-monitor-attributes-list'.  */)
       rec.width = rec.width * scale + 0.5;
       rec.height = rec.height * scale + 0.5;
 
-      width = max(width, rec.x + rec.width);
+      width = max (width, rec.x + rec.width);
     }
 
   unblock_input ();
@@ -2618,7 +2617,7 @@ each physical monitor, use `display-monitor-attributes-list'.  */)
       rec.width = rec.width * scale + 0.5;
       rec.height = rec.height * scale + 0.5;
 
-      height = max(height, rec.y + rec.height);
+      height = max (height, rec.y + rec.height);
     }
 
   unblock_input ();
diff --git a/src/pgtkselect.c b/src/pgtkselect.c
index 447c839f459..58a2b0d05e2 100644
--- a/src/pgtkselect.c
+++ b/src/pgtkselect.c
@@ -249,48 +249,48 @@ pgtk_selection_usable (void)
    *
    * static GtkWidget *top1, *top2;
    *
-   * int main(int argc, char **argv)
+   * int main (int argc, char **argv)
    * {
    *     GtkWidget *w;
    *     GtkTextBuffer *buf;
    *
-   *     gtk_init(&argc, &argv);
+   *     gtk_init (&argc, &argv);
    *
    *     static char *text = "\
    * It is fine today.\n\
    * It will be fine tomorrow too.\n\
    * It is too hot.";
    *
-   *     top1 = gtk_window_new(GTK_WINDOW_TOPLEVEL);
-   *     gtk_window_set_title(GTK_WINDOW(top1), "default");
-   *     gtk_widget_show(top1);
-   *     w = gtk_text_view_new();
-   *     gtk_container_add(GTK_CONTAINER(top1), w);
-   *     gtk_widget_show(w);
-   *     buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(w));
-   *     gtk_text_buffer_insert_at_cursor(buf, text, strlen(text));
-   *     gtk_text_buffer_add_selection_clipboard(buf, gtk_widget_get_clipboard(w, GDK_SELECTION_PRIMARY));
+   *     top1 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+   *     gtk_window_set_title (GTK_WINDOW (top1), "default");
+   *     gtk_widget_show (top1);
+   *     w = gtk_text_view_new ();
+   *     gtk_container_add (GTK_CONTAINER (top1), w);
+   *     gtk_widget_show (w);
+   *     buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (w));
+   *     gtk_text_buffer_insert_at_cursor (buf, text, strlen (text));
+   *     gtk_text_buffer_add_selection_clipboard (buf, gtk_widget_get_clipboard (w, GDK_SELECTION_PRIMARY));
    *
-   *     unsetenv("GDK_BACKEND");
+   *     unsetenv ("GDK_BACKEND");
    *     GdkDisplay *gdpy;
    *     const char *dpyname2;
-   *     if (strcmp(G_OBJECT_TYPE_NAME(gtk_widget_get_window(top1)), "GdkWaylandWindow") == 0)
+   *     if (strcmp (G_OBJECT_TYPE_NAME (gtk_widget_get_window (top1)), "GdkWaylandWindow") == 0)
    *         dpyname2 = ":0";
    *     else
    *         dpyname2 = "wayland-0";
    *     gdpy = gdk_display_open (dpyname2);
    *     top2 = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-   *     gtk_window_set_title(GTK_WINDOW(top2), dpyname2);
-   *     gtk_window_set_screen (GTK_WINDOW (top2), gdk_display_get_default_screen(gdpy));
+   *     gtk_window_set_title (GTK_WINDOW (top2), dpyname2);
+   *     gtk_window_set_screen (GTK_WINDOW (top2), gdk_display_get_default_screen (gdpy));
    *     gtk_widget_show (top2);
-   *     w = gtk_text_view_new();
-   *     gtk_container_add(GTK_CONTAINER(top2), w);
-   *     gtk_widget_show(w);
-   *     buf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(w));
-   *     gtk_text_buffer_insert_at_cursor(buf, text, strlen(text));
-   *     gtk_text_buffer_add_selection_clipboard(buf, gtk_widget_get_clipboard(w, GDK_SELECTION_PRIMARY));
+   *     w = gtk_text_view_new ();
+   *     gtk_container_add (GTK_CONTAINER (top2), w);
+   *     gtk_widget_show (w);
+   *     buf = gtk_text_view_get_buffer (GTK_TEXT_VIEW (w));
+   *     gtk_text_buffer_insert_at_cursor (buf, text, strlen (text));
+   *     gtk_text_buffer_add_selection_clipboard (buf, gtk_widget_get_clipboard (w, GDK_SELECTION_PRIMARY));
    *
-   *     gtk_main();
+   *     gtk_main ();
    *
    *     return 0;
    * }
@@ -376,8 +376,8 @@ nil, it defaults to the selected frame. */)
 
       {
         /* text/plain: Strings encoded by Gtk are not correctly decoded by Chromium(Wayland). */
-        GdkAtom atom_text_plain = gdk_atom_intern("text/plain", false);
-        gtk_target_list_remove(list, atom_text_plain);
+        GdkAtom atom_text_plain = gdk_atom_intern ("text/plain", false);
+        gtk_target_list_remove (list, atom_text_plain);
       }
 
       targets = gtk_target_table_new_from_list (list, &n_targets);
@@ -575,11 +575,11 @@ On PGTK, TIME-STAMP is unused.  */)
          property `foreign-selection' so that the caller of
          x-get-selection-internal (usually x-get-selection) can know
          that the string must be decode.  */
-      if (sd_type == gdk_atom_intern("COMPOUND_TEXT", false))
+      if (sd_type == gdk_atom_intern ("COMPOUND_TEXT", false))
         lispy_type = QCOMPOUND_TEXT;
-      else if (sd_type == gdk_atom_intern("UTF8_STRING", false))
+      else if (sd_type == gdk_atom_intern ("UTF8_STRING", false))
         lispy_type = QUTF8_STRING;
-      else if (sd_type == gdk_atom_intern("text/plain;charset=utf-8", false))
+      else if (sd_type == gdk_atom_intern ("text/plain;charset=utf-8", false))
         lispy_type = Qtext_plain_charset_utf_8;
       else
         lispy_type = QSTRING;
diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index 40489c0c6b1..d81517a5d8e 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -67,7 +67,7 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #define FRAME_CR_CONTEXT(f) ((f)->output_data.pgtk->cr_context)
 #define FRAME_CR_ACTIVE_CONTEXT(f)      ((f)->output_data.pgtk->cr_active)
-#define FRAME_CR_SURFACE(f) (cairo_get_target(FRAME_CR_CONTEXT(f)))
+#define FRAME_CR_SURFACE(f) (cairo_get_target (FRAME_CR_CONTEXT (f)))
 #define FRAME_CR_SURFACE_DESIRED_WIDTH(f)               \
   ((f)->output_data.pgtk->cr_surface_desired_width)
 #define FRAME_CR_SURFACE_DESIRED_HEIGHT(f) \
@@ -829,7 +829,7 @@ x_set_parent_frame (struct frame *f, Lisp_Object new_value,
       GtkWidget *fixed = FRAME_GTK_WIDGET (f);
 
       GtkAllocation alloc;
-      gtk_widget_get_allocation(fixed, &alloc);
+      gtk_widget_get_allocation (fixed, &alloc);
       g_object_ref (fixed);
 
       GtkCssProvider *provider = FRAME_X_OUTPUT (f)->border_color_css_provider;
@@ -3545,7 +3545,7 @@ pgtk_draw_fringe_bitmap (struct window *w, struct glyph_row *row,
                           p->wd, p->h, p->x, p->y, p->overlay_p);
     }
 
-  pgtk_end_cr_clip(f);
+  pgtk_end_cr_clip (f);
 }
 
 static struct atimer *hourglass_atimer = NULL;
@@ -5368,7 +5368,7 @@ pgtk_handle_draw (GtkWidget * widget, cairo_t * cr, gpointer * data)
           PGTK_TRACE ("  garbaged=%d", f->garbaged);
           PGTK_TRACE ("  scroll_bar_width=%f",
                       (double) PGTK_SCROLL_BAR_WIDTH (f));
-          // PGTK_TRACE("  scroll_bar_adjust=%d", PGTK_SCROLL_BAR_ADJUST(f));
+          // PGTK_TRACE("  scroll_bar_adjust=%d", PGTK_SCROLL_BAR_ADJUST (f));
           PGTK_TRACE ("  scroll_bar_cols=%d", FRAME_SCROLL_BAR_COLS (f));
           PGTK_TRACE ("  column_width=%d", FRAME_COLUMN_WIDTH (f));
           cairo_set_source_surface (cr, src, 0, 0);
@@ -6611,7 +6611,7 @@ scroll_event (GtkWidget * widget, GdkEvent * event, gpointer * user_data)
           int nlines = dpyinfo->scroll.acc_y / dpyinfo->scroll.y_per_line;
           inev.ie.kind = WHEEL_EVENT;
           inev.ie.modifiers |= down_modifier;
-          inev.ie.arg = make_fixnum(nlines);
+          inev.ie.arg = make_fixnum (nlines);
           dpyinfo->scroll.acc_y -= dpyinfo->scroll.y_per_line * nlines;
         }
       else if (dpyinfo->scroll.acc_y <= -dpyinfo->scroll.y_per_line)
@@ -6619,7 +6619,7 @@ scroll_event (GtkWidget * widget, GdkEvent * event, gpointer * user_data)
           int nlines = -dpyinfo->scroll.acc_y / dpyinfo->scroll.y_per_line;
           inev.ie.kind = WHEEL_EVENT;
           inev.ie.modifiers |= up_modifier;
-          inev.ie.arg = make_fixnum(nlines);
+          inev.ie.arg = make_fixnum (nlines);
           dpyinfo->scroll.acc_y -= -dpyinfo->scroll.y_per_line * nlines;
         }
       else if (dpyinfo->scroll.acc_x >= dpyinfo->scroll.x_per_char)
@@ -6627,7 +6627,7 @@ scroll_event (GtkWidget * widget, GdkEvent * event, gpointer * user_data)
           int nchars = dpyinfo->scroll.acc_x / dpyinfo->scroll.x_per_char;
           inev.ie.kind = HORIZ_WHEEL_EVENT;
           inev.ie.modifiers |= up_modifier;
-          inev.ie.arg = make_fixnum(nchars);
+          inev.ie.arg = make_fixnum (nchars);
           dpyinfo->scroll.acc_x -= dpyinfo->scroll.x_per_char * nchars;
         }
       else if (dpyinfo->scroll.acc_x <= -dpyinfo->scroll.x_per_char)
@@ -6635,7 +6635,7 @@ scroll_event (GtkWidget * widget, GdkEvent * event, gpointer * user_data)
           int nchars = -dpyinfo->scroll.acc_x / dpyinfo->scroll.x_per_char;
           inev.ie.kind = HORIZ_WHEEL_EVENT;
           inev.ie.modifiers |= down_modifier;
-          inev.ie.arg = make_fixnum(nchars);
+          inev.ie.arg = make_fixnum (nchars);
           dpyinfo->scroll.acc_x -= -dpyinfo->scroll.x_per_char * nchars;
         }
     }
@@ -6806,7 +6806,7 @@ same_x_server (const char *name1, const char *name2)
 
 #define GNOME_INTERFACE_SCHEMA "org.gnome.desktop.interface"
 
-static gdouble pgtk_text_scaling_factor(void)
+static gdouble pgtk_text_scaling_factor (void)
 {
   GSettingsSchemaSource *schema_source = g_settings_schema_source_get_default ();
   if (schema_source != NULL)
@@ -6999,7 +6999,7 @@ pgtk_term_init (Lisp_Object display_name, char *resource_name)
     if (dpi < 0)
         dpi = 96.0;
 
-    dpi *= pgtk_text_scaling_factor();
+    dpi *= pgtk_text_scaling_factor ();
     dpyinfo->resx = dpi;
     dpyinfo->resy = dpi;
   }
diff --git a/src/pgtkterm.h b/src/pgtkterm.h
index c87a5e13ec0..46266fdfd9e 100644
--- a/src/pgtkterm.h
+++ b/src/pgtkterm.h
@@ -44,9 +44,9 @@ along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 extern void
 pgtk_log (const char *file, int lineno, const char *fmt, ...)
 ATTRIBUTE_FORMAT_PRINTF (3, 4);
-#define PGTK_TRACE(fmt, ...) pgtk_log(__FILE__, __LINE__, fmt, ## __VA_ARGS__)
+#define PGTK_TRACE(fmt, ...) pgtk_log (__FILE__, __LINE__, fmt, ## __VA_ARGS__)
      extern void pgtk_backtrace (const char *file, int lineno);
-#define PGTK_BACKTRACE() pgtk_backtrace(__FILE__, __LINE__)
+#define PGTK_BACKTRACE() pgtk_backtrace (__FILE__, __LINE__)
 #else
 #define PGTK_TRACE(fmt, ...) ((void) 0)
 #define PGTK_BACKTRACE() ((void) 0)
@@ -434,26 +434,26 @@ enum
 #define FRAME_X_OUTPUT(f)         ((f)->output_data.pgtk)
 #define FRAME_OUTPUT_DATA(f)      FRAME_X_OUTPUT (f)
 
-#define FRAME_DISPLAY_INFO(f)     (FRAME_X_OUTPUT(f)->display_info)
-#define FRAME_FOREGROUND_COLOR(f) (FRAME_X_OUTPUT(f)->foreground_color)
-#define FRAME_BACKGROUND_COLOR(f) (FRAME_X_OUTPUT(f)->background_color)
-#define FRAME_CURSOR_COLOR(f)     (FRAME_X_OUTPUT(f)->cursor_color)
-#define FRAME_POINTER_TYPE(f)     (FRAME_X_OUTPUT(f)->current_pointer)
-#define FRAME_FONT(f)             (FRAME_X_OUTPUT(f)->font)
-#define FRAME_GTK_OUTER_WIDGET(f) (FRAME_X_OUTPUT(f)->widget)
-#define FRAME_GTK_WIDGET(f)       (FRAME_X_OUTPUT(f)->edit_widget)
-#define FRAME_WIDGET(f)           (FRAME_GTK_OUTER_WIDGET(f) ?          \
-                                   FRAME_GTK_OUTER_WIDGET(f) :          \
-                                   FRAME_GTK_WIDGET(f))
+#define FRAME_DISPLAY_INFO(f)     (FRAME_X_OUTPUT (f)->display_info)
+#define FRAME_FOREGROUND_COLOR(f) (FRAME_X_OUTPUT (f)->foreground_color)
+#define FRAME_BACKGROUND_COLOR(f) (FRAME_X_OUTPUT (f)->background_color)
+#define FRAME_CURSOR_COLOR(f)     (FRAME_X_OUTPUT (f)->cursor_color)
+#define FRAME_POINTER_TYPE(f)     (FRAME_X_OUTPUT (f)->current_pointer)
+#define FRAME_FONT(f)             (FRAME_X_OUTPUT (f)->font)
+#define FRAME_GTK_OUTER_WIDGET(f) (FRAME_X_OUTPUT (f)->widget)
+#define FRAME_GTK_WIDGET(f)       (FRAME_X_OUTPUT (f)->edit_widget)
+#define FRAME_WIDGET(f)           (FRAME_GTK_OUTER_WIDGET (f) ?         \
+                                   FRAME_GTK_OUTER_WIDGET (f) :         \
+                                   FRAME_GTK_WIDGET (f))
 
 /* aliases */
-#define FRAME_PGTK_VIEW(f)         FRAME_GTK_WIDGET(f)
-#define FRAME_X_WINDOW(f)          FRAME_GTK_OUTER_WIDGET(f)
-#define FRAME_NATIVE_WINDOW(f)     GTK_WINDOW(FRAME_X_WINDOW(f))
+#define FRAME_PGTK_VIEW(f)         FRAME_GTK_WIDGET (f)
+#define FRAME_X_WINDOW(f)          FRAME_GTK_OUTER_WIDGET (f)
+#define FRAME_NATIVE_WINDOW(f)     GTK_WINDOW (FRAME_X_WINDOW (f))
 
-#define FRAME_X_DISPLAY(f)        (FRAME_DISPLAY_INFO(f)->gdpy)
+#define FRAME_X_DISPLAY(f)        (FRAME_DISPLAY_INFO (f)->gdpy)
 
-#define DEFAULT_GDK_DISPLAY() gdk_display_get_default()
+#define DEFAULT_GDK_DISPLAY() gdk_display_get_default ()
 
 /* Turning a lisp vector value into a pointer to a struct scroll_bar.  */
 #define XSCROLL_BAR(vec) ((struct scroll_bar *) XVECTOR (vec))
@@ -495,7 +495,7 @@ enum
    (FRAME_SCROLL_BAR_LINES (f) * FRAME_LINE_HEIGHT (f)  \
     - PGTK_SCROLL_BAR_HEIGHT (f)) : 0)
 
-#define FRAME_MENUBAR_HEIGHT(f) (FRAME_X_OUTPUT(f)->menubar_height)
+#define FRAME_MENUBAR_HEIGHT(f) (FRAME_X_OUTPUT (f)->menubar_height)
 
 /* Calculate system coordinates of the left and top of the parent
    window or, if there is no parent window, the screen. */
@@ -521,9 +521,9 @@ enum
 #define FRAME_TOOLBAR_WIDTH(f) \
   (FRAME_TOOLBAR_LEFT_WIDTH (f) + FRAME_TOOLBAR_RIGHT_WIDTH (f))
 
-#define FRAME_FONTSET(f) (FRAME_X_OUTPUT(f)->fontset)
+#define FRAME_FONTSET(f) (FRAME_X_OUTPUT (f)->fontset)
 
-#define FRAME_BASELINE_OFFSET(f) (FRAME_X_OUTPUT(f)->baseline_offset)
+#define FRAME_BASELINE_OFFSET(f) (FRAME_X_OUTPUT (f)->baseline_offset)
 #define BLACK_PIX_DEFAULT(f) 0x000000
 #define WHITE_PIX_DEFAULT(f) 0xFFFFFF
 
diff --git a/src/window.h b/src/window.h
index 3a75c99813d..8e9a2eb3177 100644
--- a/src/window.h
+++ b/src/window.h
@@ -756,7 +756,7 @@ wset_next_buffers (struct window *w, Lisp_Object val)
 #endif
 
 /* True if W is a tab bar window.  */
-#if defined (HAVE_WINDOW_SYSTEM) && !defined(HAVE_PGTK)
+#if defined (HAVE_WINDOW_SYSTEM) && !defined (HAVE_PGTK)
 # define WINDOW_TAB_BAR_P(W) \
    (WINDOWP (WINDOW_XFRAME (W)->tab_bar_window) \
     && (W) == XWINDOW (WINDOW_XFRAME (W)->tab_bar_window))
diff --git a/src/xdisp.c b/src/xdisp.c
index 1ecc6aa9cfd..5b67bcf5dce 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -15650,7 +15650,7 @@ redisplay_internal (void)
   if (!fr->glyphs_initialized_p)
     return;
 
-#if defined (USE_X_TOOLKIT) || (defined (USE_GTK) && !defined(HAVE_PGTK)) || defined (HAVE_NS)
+#if defined (USE_X_TOOLKIT) || (defined (USE_GTK) && !defined (HAVE_PGTK)) || defined (HAVE_NS)
   if (popup_activated ())
     {
       return;
@@ -29341,7 +29341,7 @@ draw_glyphs (struct window *w, int x, struct glyph_row *row,
   return x_reached;
 }
 
-static int draw_glyphs_debug(const char *file, int lineno,
+static int draw_glyphs_debug (const char *file, int lineno,
                              struct window *w, int x, struct glyph_row *row,
                              enum glyph_row_area area, ptrdiff_t start, ptrdiff_t end,
                              enum draw_glyphs_face hl, int overlaps)
@@ -29349,7 +29349,7 @@ static int draw_glyphs_debug(const char *file, int lineno,
   return draw_glyphs(w, x, row, area, start, end, hl, overlaps);
 }
 #define draw_glyphs(w, x, r, a, s, e, h, o) \
-  draw_glyphs_debug(__FILE__, __LINE__, w, x, r, a, s, e, h, o)
+  draw_glyphs_debug (__FILE__, __LINE__, w, x, r, a, s, e, h, o)
 
 /* Find the first glyph in the run of underlined glyphs preceding the
    beginning of glyph string S, and return its font (which could be
@@ -33708,7 +33708,7 @@ note_mouse_highlight (struct frame *f, int x, int y)
   struct buffer *b;
 
   /* When a menu is active, don't highlight because this looks odd.  */
-#if defined (USE_X_TOOLKIT) || (defined (USE_GTK) && !defined(HAVE_PGTK)) || defined (HAVE_NS) || defined (MSDOS)
+#if defined (USE_X_TOOLKIT) || (defined (USE_GTK) && !defined (HAVE_PGTK)) || defined (HAVE_NS) || defined (MSDOS)
   if (popup_activated ())
     return;
 #endif