XOrg/headers/native/src/X11/PassivGraI.h

   1 /*
   2 * $Xorg: PassivGraI.h,v 1.4 2001/02/09 02:03:56 xorgcvs Exp $
   3 */
   4
   5 /********************************************************
   6
   7 Copyright 1988 by Hewlett-Packard Company
   8 Copyright 1987, 1988, 1989 by Digital Equipment Corporation, Maynard
   9
  10 Permission to use, copy, modify, and distribute this software
  11 and its documentation for any purpose and without fee is hereby
  12 granted, provided that the above copyright notice appear in all
  13 copies and that both that copyright notice and this permission
  14 notice appear in supporting documentation, and that the names of
  15 Hewlett-Packard or Digital not be used in advertising or
  16 publicity pertaining to distribution of the software without specific,
  17 written prior permission.
  18
  19 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  20 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  21 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  22 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  23 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  24 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  25 SOFTWARE.
  26
  27 ********************************************************/
  28
  29 /*
  30
  31 Copyright 1987, 1988, 1989, 1998  The Open Group
  32
  33 Permission to use, copy, modify, distribute, and sell this software and its
  34 documentation for any purpose is hereby granted without fee, provided that
  35 the above copyright notice appear in all copies and that both that
  36 copyright notice and this permission notice appear in supporting
  37 documentation.
  38
  39 The above copyright notice and this permission notice shall be included in
  40 all copies or substantial portions of the Software.
  41
  42 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  43 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  44 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  45 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  46 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  47 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  48
  49 Except as contained in this notice, the name of The Open Group shall not be
  50 used in advertising or otherwise to promote the sale, use or other dealings
  51 in this Software without prior written authorization from The Open Group.
  52
  53 */
  54 /* $XFree86: xc/lib/Xt/PassivGraI.h,v 1.3 2001/12/14 19:56:27 dawes Exp $ */
  55
  56 #ifndef _PDI_h_
  57 #define _PDI_h_
  58
  59
  60 #define KEYBOARD TRUE
  61 #define POINTER  FALSE
  62
  63 typedef enum {
  64     XtNoServerGrab,
  65     XtPassiveServerGrab,
  66     XtActiveServerGrab,
  67     XtPseudoPassiveServerGrab,
  68     XtPseudoActiveServerGrab
  69 }XtServerGrabType;
  70
  71 typedef struct _XtServerGrabRec {
  72     struct _XtServerGrabRec     *next;
  73     Widget                      widget;
  74     unsigned int                ownerEvents:1;
  75     unsigned int                pointerMode:1;
  76     unsigned int                keyboardMode:1;
  77     unsigned int                hasExt:1;
  78     unsigned int                confineToIsWidgetWin:1;
  79     KeyCode                     keybut;
  80     unsigned short              modifiers;
  81     unsigned short              eventMask;
  82 } XtServerGrabRec, *XtServerGrabPtr;
  83
  84 typedef struct _XtGrabExtRec {
  85     Mask                        *pKeyButMask;
  86     Mask                        *pModifiersMask;
  87     Window                      confineTo;
  88     Cursor                      cursor;
  89 } XtServerGrabExtRec, *XtServerGrabExtPtr;
  90
  91 #define GRABEXT(p) ((XtServerGrabExtPtr)((p)+1))
  92
  93 typedef struct _XtDeviceRec{
  94     XtServerGrabRec     grab;   /* need copy in order to protect
  95                                    during grab */
  96     XtServerGrabType    grabType;
  97 }XtDeviceRec, *XtDevice;
  98
  99 #define XtMyAncestor    0
 100 #define XtMyDescendant  1
 101 #define XtMyCousin      2
 102 #define XtMySelf        3
 103 #define XtUnrelated     4
 104 typedef char XtGeneology; /* do not use an enum makes PerWidgetInput larger */
 105
 106 typedef struct {
 107     Widget              focusKid;
 108     XtServerGrabPtr     keyList, ptrList;
 109     Widget              queryEventDescendant;
 110     unsigned int        map_handler_added:1;
 111     unsigned int        realize_handler_added:1;
 112     unsigned int        active_handler_added:1;
 113     unsigned int        haveFocus:1;
 114     XtGeneology         focalPoint;
 115 }XtPerWidgetInputRec, *XtPerWidgetInput;
 116
 117 typedef struct XtPerDisplayInputRec{
 118     XtGrabList  grabList;
 119     XtDeviceRec keyboard, pointer;
 120     KeyCode     activatingKey;
 121     Widget      *trace;
 122     int         traceDepth, traceMax;
 123     Widget      focusWidget;
 124 }XtPerDisplayInputRec, *XtPerDisplayInput;
 125
 126 #define IsServerGrab(g) ((g == XtPassiveServerGrab) ||\
 127                          (g == XtActiveServerGrab))
 128
 129 #define IsAnyGrab(g) ((g == XtPassiveServerGrab) ||\
 130                       (g == XtActiveServerGrab)  ||\
 131                       (g == XtPseudoPassiveServerGrab))
 132
 133 #define IsEitherPassiveGrab(g) ((g == XtPassiveServerGrab) ||\
 134                                 (g == XtPseudoPassiveServerGrab))
 135
 136 #define IsPseudoGrab(g) ((g == XtPseudoPassiveServerGrab))
 137
 138 extern void _XtDestroyServerGrabs(
 139     Widget              /* w */,
 140     XtPointer           /* pwi */, /*XtPerWidgetInput*/
 141     XtPointer           /* call_data */
 142 );
 143
 144 extern XtPerWidgetInput _XtGetPerWidgetInput(
 145     Widget      /* widget */,
 146     _XtBoolean  /* create */
 147 );
 148
 149 extern XtServerGrabPtr _XtCheckServerGrabsOnWidget(
 150     XEvent*             /* event */,
 151     Widget              /* widget */,
 152     _XtBoolean          /* isKeyboard */
 153 );
 154
 155 /*
 156 extern XtGrabList* _XtGetGrabList( XtPerDisplayInput );
 157 */
 158
 159 #define _XtGetGrabList(pdi) (&(pdi)->grabList)
 160
 161 extern void _XtFreePerWidgetInput(
 162     Widget              /* w */,
 163     XtPerWidgetInput    /* pwi */
 164 );
 165
 166 extern Widget _XtProcessKeyboardEvent(
 167     XKeyEvent*          /* event */,
 168     Widget              /* widget */,
 169     XtPerDisplayInput   /* pdi */
 170 );
 171
 172 extern Widget _XtProcessPointerEvent(
 173     XButtonEvent*       /* event */,
 174     Widget              /* widget */,
 175     XtPerDisplayInput   /* pdi */
 176 );
 177
 178 extern void _XtRegisterPassiveGrabs(
 179     Widget              /* widget */
 180 );
 181
 182 extern void _XtClearAncestorCache(
 183     Widget              /* widget */
 184 );
 185
 186 #endif /* _PDI_h_ */