Adding upstream version 4.9.0.upstream/4.9.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/canvas.h b/canvas.h
new file mode 100644
index 0000000..d918013
--- /dev/null
+++ b/canvas.h
@@ -0,0 +1,101 @@
+/* Copyright (c) 2008, 2009
+ *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ *      Micah Cowan (micah@cowan.name)
+ *      Sadrul Habib Chowdhury (sadrul@users.sourceforge.net)
+ * Copyright (c) 1993-2002, 2003, 2005, 2006, 2007
+ *      Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de)
+ *      Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de)
+ * Copyright (c) 1987 Oliver Laumann
+ *
+ * This program 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 3, or (at your option)
+ * any later version.
+ *
+ * This program 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 this program (see the file COPYING); if not, see
+ * https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ *
+ ****************************************************************
+ * $Id$ GNU
+ */
+
+#ifndef SCREEN_CANVAS_H
+#define SCREEN_CANVAS_H
+
+#define SLICE_UNKN 0
+#define SLICE_VERT (1 << 0)
+#define SLICE_HORI (1 << 1)
+
+#define SLICE_THIS (1 << 2)	/* used in equal test */
+#define SLICE_GLOBAL (1 << 3)
+
+struct canvas
+{
+  struct canvas   *c_next;	/* next canvas on display */
+  struct display  *c_display;	/* back pointer to display */
+
+  struct canvas   *c_slnext;	/* next canvas in display slice */
+  struct canvas   *c_slprev;	/* prev canvas in display slice */
+  struct canvas   *c_slperp;	/* perpendicular slice */
+  struct canvas   *c_slback;	/* perpendicular slice back pointer */
+  int              c_slorient;  /* our slice orientation */
+  int              c_slweight;	/* size ratio */
+
+  struct viewport *c_vplist;
+  struct layer    *c_layer;	/* layer on this canvas */
+  struct canvas   *c_lnext;	/* next canvas that displays layer */
+  struct layer     c_blank;	/* bottom layer, always blank */
+  int              c_xoff;	/* canvas x offset on display */
+  int              c_yoff;	/* canvas y offset on display */
+  int              c_xs;
+  int              c_xe;
+  int              c_ys;
+  int              c_ye;
+  struct event     c_captev;	/* caption changed event */
+};
+
+struct win;			/* forward declaration */
+
+extern void  SetCanvasWindow __P((struct canvas *, struct win *));
+extern void  SetForeCanvas __P((struct display *, struct canvas *));
+extern struct canvas *FindCanvas __P((int, int));
+extern int   MakeDefaultCanvas __P((void));
+extern int   AddCanvas __P((int));
+extern void  RemCanvas __P((void));
+extern void  OneCanvas __P((void));
+extern void  FreeCanvas __P((struct canvas *));
+extern void  ResizeCanvas __P((struct canvas *));
+extern void  RecreateCanvasChain __P((void));
+extern void  RethinkViewportOffsets __P((struct canvas *));
+extern int   CountCanvasPerp __P((struct canvas *));
+extern void  EqualizeCanvas __P((struct canvas *, int));
+extern void  DupLayoutCv __P((struct canvas *, struct canvas *, int));
+extern void  PutWindowCv __P((struct canvas *));
+
+#define CV_CALL(cv, cmd)			\
+{						\
+  struct display *olddisplay = display;		\
+  struct layer *oldflayer = flayer;		\
+  struct layer *l = cv->c_layer;		\
+  struct canvas *cvlist = l->l_cvlist;		\
+  struct canvas *cvlnext = cv->c_lnext;		\
+  flayer = l;					\
+  l->l_cvlist = cv;				\
+  cv->c_lnext = 0;				\
+  cmd;						\
+  flayer = oldflayer;				\
+  l->l_cvlist = cvlist;				\
+  cv->c_lnext = cvlnext;			\
+  display = olddisplay;				\
+}
+
+#endif /* SCREEN_CANVAS_H */
+