New file placement.h

The file placement.h hold the definitions for placement.c

src/placement.h

@@ -0,0 +1,34 @@
+/* placement.h - window and icon placement on screen
+ *
+ *  Window Maker window manager
+ *
+ *  Copyright (c) 1997-2003 Alfredo K. Kojima
+ *  Copyright (c) 2013 Window Maker Team
+ *
+ *  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 2 of the License, 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; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+void PlaceIcon(WScreen *scr, int *x_ret, int *y_ret, int head);
+
+/* Computes the intersecting length of two line sections */
+int calcIntersectionLength(int p1, int l1, int p2, int l2);
+
+/* Computes the intersecting area of two rectangles */
+int calcIntersectionArea(int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2);
+
+void PlaceWindow(WWindow *wwin, int *x_ret, int *y_ret, unsigned width, unsigned height);
+
+/* Set the points x and y inside the screen */
+void get_right_position_on_screen(WScreen *scr, int *x, int *y, int size_x, int size_y);