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Diffstat (limited to 'libX11/src/GetHints.c')
| -rw-r--r-- | libX11/src/GetHints.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/libX11/src/GetHints.c b/libX11/src/GetHints.c new file mode 100644 index 000000000..e5ccbcf7b --- /dev/null +++ b/libX11/src/GetHints.c @@ -0,0 +1,341 @@ +/* $Xorg: GetHints.c,v 1.5 2001/02/09 02:03:33 xorgcvs Exp $ */ + +/*********************************************************** + +Copyright 1987, 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. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ +/* $XFree86: xc/lib/X11/GetHints.c,v 1.3 2001/01/17 19:41:36 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Xlibint.h> +#include <X11/Xos.h> +#include <X11/Xutil.h> +#include "Xatomtype.h" +#include <X11/Xatom.h> +#include <stdio.h> + +Status XGetSizeHints ( + Display *dpy, + Window w, + XSizeHints *hints, + Atom property) +{ + xPropSizeHints *prop = NULL; + Atom actual_type; + int actual_format; + unsigned long leftover; + unsigned long nitems; + if (XGetWindowProperty(dpy, w, property, 0L, + (long) OldNumPropSizeElements, + False, XA_WM_SIZE_HINTS, &actual_type, &actual_format, + &nitems, &leftover, (unsigned char **)&prop) + != Success) return (0); + + if ((actual_type != XA_WM_SIZE_HINTS) || + (nitems < OldNumPropSizeElements) || (actual_format != 32)) { + if (prop != NULL) Xfree ((char *)prop); + return(0); + } + hints->flags = (prop->flags & (USPosition|USSize|PAllHints)); + hints->x = cvtINT32toInt (prop->x); + hints->y = cvtINT32toInt (prop->y); + hints->width = cvtINT32toInt (prop->width); + hints->height = cvtINT32toInt (prop->height); + hints->min_width = cvtINT32toInt (prop->minWidth); + hints->min_height = cvtINT32toInt (prop->minHeight); + hints->max_width = cvtINT32toInt (prop->maxWidth); + hints->max_height = cvtINT32toInt (prop->maxHeight); + hints->width_inc = cvtINT32toInt (prop->widthInc); + hints->height_inc = cvtINT32toInt (prop->heightInc); + hints->min_aspect.x = cvtINT32toInt (prop->minAspectX); + hints->min_aspect.y = cvtINT32toInt (prop->minAspectY); + hints->max_aspect.x = cvtINT32toInt (prop->maxAspectX); + hints->max_aspect.y = cvtINT32toInt (prop->maxAspectY); + Xfree((char *)prop); + return(1); +} + +/* + * must return a pointer to the hint, in malloc'd memory, or routine is not + * extensible; any use of the caller's memory would cause things to be stepped + * on. + */ + +XWMHints *XGetWMHints ( + Display *dpy, + Window w) +{ + xPropWMHints *prop = NULL; + register XWMHints *hints; + Atom actual_type; + int actual_format; + unsigned long leftover; + unsigned long nitems; + if (XGetWindowProperty(dpy, w, XA_WM_HINTS, + 0L, (long)NumPropWMHintsElements, + False, XA_WM_HINTS, &actual_type, &actual_format, + &nitems, &leftover, (unsigned char **)&prop) + != Success) return (NULL); + + /* If the property is undefined on the window, return null pointer. */ + /* pre-R3 bogusly truncated window_group, don't fail on them */ + + if ((actual_type != XA_WM_HINTS) || + (nitems < (NumPropWMHintsElements - 1)) || (actual_format != 32)) { + if (prop != NULL) Xfree ((char *)prop); + return(NULL); + } + /* static copies not allowed in library, due to reentrancy constraint*/ + if ((hints = (XWMHints *) Xcalloc (1, (unsigned) sizeof(XWMHints)))) { + hints->flags = prop->flags; + hints->input = (prop->input ? True : False); + hints->initial_state = cvtINT32toInt (prop->initialState); + hints->icon_pixmap = prop->iconPixmap; + hints->icon_window = prop->iconWindow; + hints->icon_x = cvtINT32toInt (prop->iconX); + hints->icon_y = cvtINT32toInt (prop->iconY); + hints->icon_mask = prop->iconMask; + if (nitems >= NumPropWMHintsElements) + hints->window_group = prop->windowGroup; + else + hints->window_group = 0; + } + Xfree ((char *)prop); + return(hints); +} + +Status +XGetZoomHints ( + Display *dpy, + Window w, + XSizeHints *zhints) +{ + return (XGetSizeHints(dpy, w, zhints, XA_WM_ZOOM_HINTS)); +} + +Status +XGetNormalHints ( + Display *dpy, + Window w, + XSizeHints *hints) +{ + return (XGetSizeHints(dpy, w, hints, XA_WM_NORMAL_HINTS)); +} + + +/* + * XGetIconSizes reads the property + * ICONSIZE_ATOM type: ICONSIZE_ATOM format: 32 + */ + +Status XGetIconSizes ( + Display *dpy, + Window w, /* typically, root */ + XIconSize **size_list, /* RETURN */ + int *count) /* RETURN number of items on the list */ +{ + xPropIconSize *prop = NULL; + register xPropIconSize *pp; + register XIconSize *hp, *hints; + Atom actual_type; + int actual_format; + unsigned long leftover; + unsigned long nitems; + register int i; + + if (XGetWindowProperty(dpy, w, XA_WM_ICON_SIZE, 0L, 60L, + False, XA_WM_ICON_SIZE, &actual_type, &actual_format, + &nitems, &leftover, (unsigned char **)&prop) + != Success) return (0); + + pp = prop; + + if ((actual_type != XA_WM_ICON_SIZE) || + (nitems < NumPropIconSizeElements) || + (nitems % NumPropIconSizeElements != 0) || + (actual_format != 32)) { + if (prop != NULL) Xfree ((char *)prop); + return(0); + } + + /* static copies not allowed in library, due to reentrancy constraint*/ + + nitems /= NumPropIconSizeElements; + if (! (hp = hints = (XIconSize *) + Xcalloc ((unsigned) nitems, (unsigned) sizeof(XIconSize)))) { + if (prop) Xfree ((char *) prop); + return 0; + } + + /* march down array putting things into native form */ + for (i = 0; i < nitems; i++) { + hp->min_width = cvtINT32toInt (pp->minWidth); + hp->min_height = cvtINT32toInt (pp->minHeight); + hp->max_width = cvtINT32toInt (pp->maxWidth); + hp->max_height = cvtINT32toInt (pp->maxHeight); + hp->width_inc = cvtINT32toInt (pp->widthInc); + hp->height_inc = cvtINT32toInt (pp->heightInc); + hp += 1; + pp += 1; + } + *count = nitems; + *size_list = hints; + Xfree ((char *)prop); + return(1); +} + + +Status XGetCommand ( + Display *dpy, + Window w, + char ***argvp, + int *argcp) +{ + XTextProperty tp; + int argc; + char **argv; + + if (!XGetTextProperty (dpy, w, &tp, XA_WM_COMMAND)) return 0; + + if (tp.encoding != XA_STRING || tp.format != 8) { + if (tp.value) Xfree ((char *) tp.value); + return 0; + } + + + /* + * ignore final <NUL> if present since UNIX WM_COMMAND is nul-terminated + */ + if (tp.nitems && (tp.value[tp.nitems - 1] == '\0')) tp.nitems--; + + + /* + * create a string list and return if successful + */ + if (!XTextPropertyToStringList (&tp, &argv, &argc)) { + if (tp.value) Xfree ((char *) tp.value); + return (0); + } + + if (tp.value) Xfree ((char *) tp.value); + *argvp = argv; + *argcp = argc; + return 1; +} + + +Status +XGetTransientForHint( + Display *dpy, + Window w, + Window *propWindow) +{ + Atom actual_type; + int actual_format; + unsigned long nitems; + unsigned long leftover; + Window *data = NULL; + if (XGetWindowProperty(dpy, w, XA_WM_TRANSIENT_FOR, 0L, 1L, False, + XA_WINDOW, + &actual_type, + &actual_format, &nitems, &leftover, (unsigned char **) &data) + != Success) { + *propWindow = None; + return (0); + } + if ( (actual_type == XA_WINDOW) && (actual_format == 32) && + (nitems != 0) ) { + *propWindow = *data; + Xfree( (char *) data); + return (1); + } + *propWindow = None; + if (data) Xfree( (char *) data); + return(0); +} + +Status +XGetClassHint( + Display *dpy, + Window w, + XClassHint *classhint) /* RETURN */ +{ + int len_name, len_class; + + Atom actual_type; + int actual_format; + unsigned long nitems; + unsigned long leftover; + unsigned char *data = NULL; + if (XGetWindowProperty(dpy, w, XA_WM_CLASS, 0L, (long)BUFSIZ, False, + XA_STRING, + &actual_type, + &actual_format, &nitems, &leftover, &data) != Success) + return (0); + + if ( (actual_type == XA_STRING) && (actual_format == 8) ) { + len_name = strlen((char *) data); + if (! (classhint->res_name = Xmalloc((unsigned) (len_name+1)))) { + Xfree((char *) data); + return (0); + } + strcpy(classhint->res_name, (char *) data); + if (len_name == nitems) len_name--; + len_class = strlen((char *) (data+len_name+1)); + if (! (classhint->res_class = Xmalloc((unsigned) (len_class+1)))) { + Xfree(classhint->res_name); + classhint->res_name = (char *) NULL; + Xfree((char *) data); + return (0); + } + strcpy(classhint->res_class, (char *) (data+len_name+1)); + Xfree( (char *) data); + return(1); + } + if (data) Xfree( (char *) data); + return(0); +} |