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a09e091a JB |
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; |