| 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 |
| 64 | CanvasInitialize(Widget request, Widget w, ArgList args, Cardinal * num_args) |
| 65 | { |
| 66 | } |
| 67 | |
| 68 | static void |
| 69 | CanvasExpose(Widget w, XEvent * event, Region region) |
| 70 | { |
| 71 | CanvasExposeDataRec data; |
| 72 | |
| 73 | data.w = w; |
| 74 | data.event = event; |
| 75 | data.region = region; |
| 76 | |
| 77 | if (!XtIsRealized(w)) |
| 78 | return; |
| 79 | XtCallCallbacks(w, XtNcanvasExposeCallback, (XtPointer) &data); |
| 80 | } |
| 81 | |
| 82 | static void |
| 83 | CanvasResize(Widget w) |
| 84 | { |
| 85 | if (!XtIsRealized(w)) |
| 86 | return; |
| 87 | XtCallCallbacks(w, XtNcanvasResizeCallback, (XtPointer) w); |
| 88 | } |
| 89 | |
| 90 | static void |
| 91 | CanvasAction(Widget w, XEvent * event, String * params, Cardinal * num_params) |
| 92 | { |
| 93 | XtCallCallbacks(w, XtNcallback, (XtPointer) event); |
| 94 | } |
| 95 | |
| 96 | #define offset(field) XtOffsetOf(CanvasRec, canvas.field) |
| 97 | static XtResource resources[] = { |
| 98 | {XtNcallback, XtCCallback, XtRCallback, |
| 99 | sizeof(XtCallbackList), offset(input_callback), XtRCallback, NULL} |
| 100 | , |
| 101 | {XtNcanvasExposeCallback, XtCcanvasExposeCallback, XtRCallback, |
| 102 | sizeof(XtCallbackList), offset(expose_callback), XtRCallback, NULL} |
| 103 | , |
| 104 | {XtNcanvasResizeCallback, XtCcanvasResizeCallback, XtRCallback, |
| 105 | sizeof(XtCallbackList), offset(resize_callback), XtRCallback, NULL} |
| 106 | , |
| 107 | }; |
| 108 | |
| 109 | #undef offset |
| 110 | |
| 111 | static XtActionsRec actions[] = { |
| 112 | {"canvas", CanvasAction}, |
| 113 | }; |
| 114 | |
| 115 | static char translations[] = "<Key>: canvas()\n\ |
| 116 | <Motion>: canvas()\n\ |
| 117 | <BtnDown>: canvas()\n\ |
| 118 | <BtnUp>: canvas()\n\ |
| 119 | "; |
| 120 | |
| 121 | #define Superclass (&widgetClassRec) |
| 122 | CanvasClassRec canvasClassRec = { |
| 123 | /* core */ |
| 124 | { |
| 125 | (WidgetClass) Superclass, /* superclass */ |
| 126 | "Canvas", /* class_name */ |
| 127 | sizeof(CanvasRec), /* widget_size */ |
| 128 | NULL, /* class_initialize */ |
| 129 | NULL, /* class_part_initialize */ |
| 130 | False, /* class_inited */ |
| 131 | CanvasInitialize, /* initialize */ |
| 132 | NULL, /* initialize_hook */ |
| 133 | XtInheritRealize, /* realize */ |
| 134 | actions, /* actions */ |
| 135 | XtNumber(actions), /* num_actions */ |
| 136 | resources, /* resources */ |
| 137 | XtNumber(resources), /* num_resources */ |
| 138 | NULLQUARK, /* xrm_class */ |
| 139 | True, /* compress_motion */ |
| 140 | True, /* compress_exposure */ |
| 141 | True, /* compress_enterleave */ |
| 142 | False, /* visible_interest */ |
| 143 | NULL, /* destroy */ |
| 144 | CanvasResize, /* resize */ |
| 145 | CanvasExpose, /* expose */ |
| 146 | NULL, /* set_values */ |
| 147 | NULL, /* set_values_hook */ |
| 148 | XtInheritSetValuesAlmost, /* set_values_almost */ |
| 149 | NULL, /* get_values_hook */ |
| 150 | NULL, /* accept_focus */ |
| 151 | XtVersion, /* version */ |
| 152 | NULL, /* callback_private */ |
| 153 | translations, /* tm_table */ |
| 154 | XtInheritQueryGeometry, /* query_geometry */ |
| 155 | XtInheritDisplayAccelerator, /* display_accelerator */ |
| 156 | NULL, /* extension */ |
| 157 | } |
| 158 | , |
| 159 | /* canvas */ |
| 160 | { |
| 161 | NULL, /* extension */ |
| 162 | } |
| 163 | }; |
| 164 | |
| 165 | WidgetClass canvasWidgetClass = (WidgetClass) &canvasClassRec; |