xorg-server-1.4/hw/dmx/config/Canvas.c

   1 /*
   2  * Copyright 1987, 1998  The Open Group
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation.
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  16  * OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  17  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  18  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19  *
  20  * Except as contained in this notice, the name of The Open Group shall not be
  21  * used in advertising or otherwise to promote the sale, use or other dealings
  22  * in this Software without prior written authorization from The Open Group.
  23  */
  24
  25 /*
  26  * Copyright 2002 Red Hat Inc., Durham, North Carolina.
  27  *
  28  * All Rights Reserved.
  29  *
  30  * Permission is hereby granted, free of charge, to any person obtaining
  31  * a copy of this software and associated documentation files (the
  32  * "Software"), to deal in the Software without restriction, including
  33  * without limitation on the rights to use, copy, modify, merge,
  34  * publish, distribute, sublicense, and/or sell copies of the Software,
  35  * and to permit persons to whom the Software is furnished to do so,
  36  * subject to the following conditions:
  37  *
  38  * The above copyright notice and this permission notice (including the
  39  * next paragraph) shall be included in all copies or substantial
  40  * portions of the Software.
  41  *
  42  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  43  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  44  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  45  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  46  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  47  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  48  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  49  * SOFTWARE.
  50  */
  51
  52 /*
  53  * Authors:
  54  *   Rickard E. (Rik) Faith <faith@redhat.com>
  55  *
  56  * This file was originally taken from xc/lib/Xaw/Template.c
  57  */
  58
  59 #include <X11/IntrinsicP.h>
  60 #include <X11/StringDefs.h>
  61 #include "CanvasP.h"
  62
  63 static void CanvasInitialize(Widget request, Widget w,
  64                              ArgList args, Cardinal *num_args)
  65 {
  66 }
  67
  68 static void CanvasExpose(Widget w, XEvent *event, Region region)
  69 {
  70     CanvasExposeDataRec data;
  71
  72     data.w      = w;
  73     data.event  = event;
  74     data.region = region;
  75
  76     if (!XtIsRealized(w)) return;
  77     XtCallCallbacks(w, XtNcanvasExposeCallback, (XtPointer)&data);
  78 }
  79
  80 static void CanvasResize(Widget w)
  81 {
  82     if (!XtIsRealized(w)) return;
  83     XtCallCallbacks(w, XtNcanvasResizeCallback, (XtPointer)w);
  84 }
  85
  86 static void CanvasAction(Widget w, XEvent *event,
  87                          String *params, Cardinal *num_params)
  88 {
  89     XtCallCallbacks(w, XtNcallback, (XtPointer)event);
  90 }
  91
  92 #define offset(field) XtOffsetOf(CanvasRec, canvas.field)
  93 static XtResource resources[] = {
  94     { XtNcallback, XtCCallback, XtRCallback,
  95       sizeof(XtCallbackList), offset(input_callback), XtRCallback, NULL },
  96     { XtNcanvasExposeCallback, XtCcanvasExposeCallback, XtRCallback,
  97       sizeof(XtCallbackList), offset(expose_callback), XtRCallback, NULL },
  98     { XtNcanvasResizeCallback, XtCcanvasResizeCallback, XtRCallback,
  99       sizeof(XtCallbackList), offset(resize_callback), XtRCallback, NULL },
 100 };
 101 #undef offset
 102
 103 static XtActionsRec actions[] =
 104 {
 105     {"canvas",  CanvasAction},
 106 };
 107
 108 static char translations[] =
 109 "<Key>:    canvas()\n\
 110 <Motion>:  canvas()\n\
 111 <BtnDown>: canvas()\n\
 112 <BtnUp>: canvas()\n\
 113 "
 114 ;
 115
 116 #define Superclass      (&widgetClassRec)
 117 CanvasClassRec canvasClassRec = {
 118     /* core */
 119     {
 120         (WidgetClass)Superclass,        /* superclass */
 121         "Canvas",                       /* class_name */
 122         sizeof(CanvasRec),              /* widget_size */
 123         NULL,                           /* class_initialize */
 124         NULL,                           /* class_part_initialize */
 125         False,                          /* class_inited */
 126         CanvasInitialize,               /* initialize */
 127         NULL,                           /* initialize_hook */
 128         XtInheritRealize,               /* realize */
 129         actions,                        /* actions */
 130         XtNumber(actions),              /* num_actions */
 131         resources,                      /* resources */
 132         XtNumber(resources),            /* num_resources */
 133         NULLQUARK,                      /* xrm_class */
 134         True,                           /* compress_motion */
 135         True,                           /* compress_exposure */
 136         True,                           /* compress_enterleave */
 137         False,                          /* visible_interest */
 138         NULL,                           /* destroy */
 139         CanvasResize,                   /* resize */
 140         CanvasExpose,                   /* expose */
 141         NULL,                           /* set_values */
 142         NULL,                           /* set_values_hook */
 143         XtInheritSetValuesAlmost,       /* set_values_almost */
 144         NULL,                           /* get_values_hook */
 145         NULL,                           /* accept_focus */
 146         XtVersion,                      /* version */
 147         NULL,                           /* callback_private */
 148         translations,                   /* tm_table */
 149         XtInheritQueryGeometry,         /* query_geometry */
 150         XtInheritDisplayAccelerator,    /* display_accelerator */
 151         NULL,                           /* extension */
 152     },
 153     /* canvas */
 154     {
 155         NULL,                           /* extension */
 156     }
 157 };
 158
 159 WidgetClass canvasWidgetClass = (WidgetClass)&canvasClassRec;