From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/lib/X11/WMGeom.c | 185 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 185 insertions(+) create mode 100644 nx-X11/lib/X11/WMGeom.c (limited to 'nx-X11/lib/X11/WMGeom.c') diff --git a/nx-X11/lib/X11/WMGeom.c b/nx-X11/lib/X11/WMGeom.c new file mode 100644 index 000000000..59041a9fa --- /dev/null +++ b/nx-X11/lib/X11/WMGeom.c @@ -0,0 +1,185 @@ +/* $Xorg: WMGeom.c,v 1.4 2001/02/09 02:03:37 xorgcvs Exp $ */ +/* + +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ +/* $XFree86: xc/lib/X11/WMGeom.c,v 1.3 2003/04/13 19:22:18 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "Xlibint.h" +#include "Xutil.h" + +static int _GeometryMaskToGravity( + int mask); + +/* + * This routine given a user supplied positional argument and a default + * argument (fully qualified) will return the position the window should take + * as well as the gravity to be set in the WM_NORMAL_HINTS size hints. + * Always sets all return values and returns a mask describing which fields + * were set by the user or'ed with whether or not the x and y values should + * be considered "negative". + */ + +int +XWMGeometry ( + Display *dpy, /* user's display connection */ + int screen, /* screen on which to do computation */ + _Xconst char *user_geom, /* user provided geometry spec */ + _Xconst char *def_geom, /* default geometry spec for window */ + unsigned int bwidth, /* border width */ + XSizeHints *hints, /* usually WM_NORMAL_HINTS */ + int *x_return, /* location of window */ + int *y_return, /* location of window */ + int *width_return, /* size of window */ + int *height_return, /* size of window */ + int *gravity_return) /* gravity of window */ +{ + int ux, uy; /* returned values from parse */ + unsigned int uwidth, uheight; /* returned values from parse */ + int umask; /* parse mask of returned values */ + int dx, dy; /* default values from parse */ + unsigned int dwidth, dheight; /* default values from parse */ + int dmask; /* parse mask of returned values */ + int base_width, base_height; /* valid amounts */ + int min_width, min_height; /* valid amounts */ + int width_inc, height_inc; /* valid amounts */ + int rx, ry, rwidth, rheight; /* return values */ + int rmask; /* return mask */ + + /* + * Get the base sizes and increments. Section 4.1.2.3 of the ICCCM + * states that the base and minimum sizes are defaults for each other. + * If neither is given, then the base sizes should be 0. These parameters + * control the sets of sizes that window managers should allow for the + * window according to the following formulae: + * + * width = base_width + (i * width_inc) + * height = base_height + (j * height_inc) + */ + base_width = ((hints->flags & PBaseSize) ? hints->base_width : + ((hints->flags & PMinSize) ? hints->min_width : 0)); + base_height = ((hints->flags & PBaseSize) ? hints->base_height : + ((hints->flags & PMinSize) ? hints->min_height : 0)); + min_width = ((hints->flags & PMinSize) ? hints->min_width : base_width); + min_height = ((hints->flags & PMinSize) ? hints->min_height : base_height); + width_inc = (hints->flags & PResizeInc) ? hints->width_inc : 1; + height_inc = (hints->flags & PResizeInc) ? hints->height_inc : 1; + + + /* + * parse the two geometry masks + */ + rmask = umask = XParseGeometry (user_geom, &ux, &uy, &uwidth, &uheight); + dmask = XParseGeometry (def_geom, &dx, &dy, &dwidth, &dheight); + + + /* + * get the width and height: + * 1. if user-specified, then take that value + * 2. else, if program-specified, then take that value + * 3. else, take 1 + * 4. multiply by the size increment + * 5. and add to the base size + */ + rwidth = ((((umask & WidthValue) ? uwidth : + ((dmask & WidthValue) ? dwidth : 1)) * width_inc) + + base_width); + rheight = ((((umask & HeightValue) ? uheight : + ((dmask & HeightValue) ? dheight : 1)) * height_inc) + + base_height); + + /* + * Make sure computed size is within limits. Note that we always do the + * lower bounds check since the base size (which defaults to 0) should + * be used if a minimum size isn't specified. + */ + if (rwidth < min_width) rwidth = min_width; + if (rheight < min_height) rheight = min_height; + + if (hints->flags & PMaxSize) { + if (rwidth > hints->max_width) rwidth = hints->max_width; + if (rheight > hints->max_height) rheight = hints->max_height; + } + + + /* + * Compute the location. Set the negative flags in the return mask + * (and watch out for borders), if necessary. + */ + if (umask & XValue) { + rx = ((umask & XNegative) ? + (DisplayWidth (dpy, screen) + ux - rwidth - 2 * bwidth) : ux); + } else if (dmask & XValue) { + if (dmask & XNegative) { + rx = (DisplayWidth (dpy, screen) + dx - rwidth - 2 * bwidth); + rmask |= XNegative; + } else + rx = dx; + } else { + rx = 0; /* gotta choose something... */ + } + + if (umask & YValue) { + ry = ((umask & YNegative) ? + (DisplayHeight(dpy, screen) + uy - rheight - 2 * bwidth) : uy); + } else if (dmask & YValue) { + if (dmask & YNegative) { + ry = (DisplayHeight(dpy, screen) + dy - rheight - 2 * bwidth); + rmask |= YNegative; + } else + ry = dy; + } else { + ry = 0; /* gotta choose something... */ + } + + + /* + * All finished, so set the return variables. + */ + *x_return = rx; + *y_return = ry; + *width_return = rwidth; + *height_return = rheight; + *gravity_return = _GeometryMaskToGravity (rmask); + return rmask; +} + + +static int _GeometryMaskToGravity( + int mask) +{ + switch (mask & (XNegative|YNegative)) { + case 0: + return NorthWestGravity; + case XNegative: + return NorthEastGravity; + case YNegative: + return SouthWestGravity; + default: + return SouthEastGravity; + } +} -- cgit v1.2.3