1 files changed, 123 insertions, 0 deletions
diff --git a/src/xscrollbar.h b/src/xscrollbar.h
new file mode 100644
index 00000000000..e1a3f45d247
--- /dev/null
+++ b/src/xscrollbar.h
@@ -0,0 +1,123 @@
+/* Bitmaps and things for scrollbars.
+   Copyright (C) 1989 Free Software Foundation.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 1, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+static void install_vertical_scrollbar ();
+static void install_horizontal_scrollbar ();
+static void x_set_horizontal_scrollbar ();
+static void x_set_vertical_scrollbar ();
+
+/* Prefix-characters for scroll bar commands in Vglobal_mouse_map.
+   Choice of prefix depends on which region of the scroll bar.  */
+
+enum scroll_bar_prefix
+  { VSCROLL_BAR_PREFIX = 050, VSCROLL_SLIDER_PREFIX /* unused */,
+    VSCROLL_THUMBUP_PREFIX, VSCROLL_THUMBDOWN_PREFIX,
+    HSCROLL_BAR_PREFIX, HSCROLL_SLIDER_PREFIX /* unused */,
+    HSCROLL_THUMBLEFT_PREFIX, HSCROLL_THUMBRIGHT_PREFIX };
+
+#define CROSS_WIDTH 16
+#define CROSS_HEIGHT 16
+
+#define CROSS_MASK_WIDTH 16
+#define CROSS_MASK_HEIGHT 16
+
+/* Vertical and Horizontal scroll bar widths. */
+#define VSCROLL_WIDTH 18
+#define HSCROLL_HEIGHT 18
+
+#ifdef HAVE_X11
+
+/* Arrow cursors for scroll bars.  */
+
+Cursor up_arrow_cursor, down_arrow_cursor, v_double_arrow_cursor;
+Cursor left_arrow_cursor, right_arrow_cursor, h_double_arrow_cursor;
+
+static char cross_bits[] =
+ {
+   0x00, 0x00, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
+   0x80, 0x01, 0xfe, 0x7f, 0xfe, 0x7f, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
+   0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x00, 0x00
+ };
+
+static char gray_bits[] =
+ {
+   0x55, 0x55, 0xaa, 0xaa, 0x55, 0x55, 0xaa, 0xaa,
+   0x55, 0x55, 0xaa, 0xaa, 0x55, 0x55, 0xaa, 0xaa,
+   0x55, 0x55, 0xaa, 0xaa, 0x55, 0x55, 0xaa, 0xaa,
+   0x55, 0x55, 0xaa, 0xaa, 0x55, 0x55, 0xaa, 0xaa
+ };
+
+static char up_arrow_bits[] =
+  {
+    0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f, 0xf8, 0x1f,
+    0xfc, 0x3f, 0xfe, 0x7f, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
+    0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0xff, 0xff
+  };
+
+static char down_arrow_bits[] =
+  {
+    0xff, 0xff, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
+    0x80, 0x01, 0x80, 0x01, 0xfe, 0x7f, 0xfc, 0x3f, 0xf8, 0x1f, 0xf0, 0x0f,
+    0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00
+  };
+
+static char left_arrow_bits[] =
+  {
+    0x00, 0x80, 0x80, 0x80, 0xc0, 0x80, 0xe0, 0x80, 0xf0, 0x80, 0xf8, 0x80,
+    0xfc, 0x80, 0xfe, 0xff, 0xfe, 0xff, 0xfc, 0x80, 0xf8, 0x80, 0xf0, 0x80,
+    0xe0, 0x80, 0xc0, 0x80, 0x80, 0x80, 0x00, 0x80
+  };
+
+static char right_arrow_bits[] =
+  {
+    0x01, 0x00, 0x01, 0x01, 0x01, 0x03, 0x01, 0x07, 0x01, 0x0f, 0x01, 0x1f,
+    0x01, 0x3f, 0xff, 0x7f, 0xff, 0x7f, 0x01, 0x3f, 0x01, 0x1f, 0x01, 0x0f,
+    0x01, 0x07, 0x01, 0x03, 0x01, 0x01, 0x01, 0x00
+  };
+
+static char cross_mask_bits[] =
+ {
+   0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03,
+   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xc0, 0x03,
+   0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03, 0xc0, 0x03
+ };
+#else /* not HAVE_X11 */
+static short cross_bits[] =
+  {
+    0x0000, 0x0180, 0x0180, 0x0180,
+    0x0180, 0x0180, 0x0180, 0x7ffe,
+    0x7ffe, 0x0180, 0x0180, 0x0180,
+    0x0180, 0x0180, 0x0180, 0x0000,
+  };
+
+static short gray_bits[] = {
+    0xaaaa, 0x5555, 0xaaaa, 0x5555,
+    0xaaaa, 0x5555, 0xaaaa, 0x5555,
+    0xaaaa, 0x5555, 0xaaaa, 0x5555,
+    0xaaaa, 0x5555, 0xaaaa, 0x5555};
+
+static short cross_mask_bits[] =
+  {
+    0x03c0, 0x03c0, 0x03c0, 0x03c0,
+    0x03c0, 0x03c0, 0xffff, 0xffff,
+    0xffff, 0xffff, 0x03c0, 0x03c0,
+    0x03c0, 0x03c0, 0x03c0, 0x03c0,
+  };
+#endif /* X10 */