2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
12 * Implementation of the gator light object.
14 *------------------------------------------------------------------------*/
16 #include <afsconfig.h>
17 #include <afs/param.h>
20 #include "gtxlightobj.h" /*Interface for this module */
21 #include <stdio.h> /*Standard I/O stuff */
26 /*Externally-advertised array of light onode operations*/
27 struct onodeops gator_light_ops = {
33 static char mn[] = "gator_lightobject"; /*Module name */
35 /*------------------------------------------------------------------------
39 * Create a gator light object.
42 * struct onode *light_onp : Ptr to the light onode to fill out.
43 * struct onode_createparams *params : Generic ptr to creation
48 * Error value otherwise.
51 * The base onode fields have already been set. Lights are turned
55 * Creates and initializes the light private data area, including
56 * a window string-drawing parameter structure. These areas are
57 * garbage-collected upon failure.
58 *------------------------------------------------------------------------*/
61 gator_light_create(struct onode *light_onp, struct onode_createparams *params)
62 { /*gator_light_create */
64 static char rn[] = "gator_light_create"; /*Routine name */
65 struct gator_light_crparams *light_params; /*My specific creation params */
66 struct gator_lightobj *light_data; /*Ptr to private data */
67 struct gwin_strparams *light_strparams; /*Light label params */
69 light_params = (struct gator_light_crparams *)params;
71 fprintf(stderr, "[%s:%s] Private data passed to light object:\n", mn,
74 "\tAppearance: %d, flashfreq: %d, label at offset (%d, %d): '%s'\n",
75 light_params->appearance, light_params->flashfreq,
76 light_params->label_x, light_params->label_y,
81 * Allocate the private data area, including the lower-level
82 * structure, then fill it in.
85 (struct gator_lightobj *)malloc(sizeof(struct gator_lightobj));
86 if (light_data == (struct gator_lightobj *)0) {
88 "[%s:%s] Can't allocate %" AFS_SIZET_FMT " bytes for light object private data region, errno is %d\n",
89 mn, rn, sizeof(struct gator_lightobj), errno);
94 (struct gwin_strparams *)malloc(sizeof(struct gwin_strparams));
95 if (light_strparams == (struct gwin_strparams *)0) {
97 "[%s:%s] Can't allocate %" AFS_SIZET_FMT " bytes for light object label in private data region, errno is %d\n",
98 mn, rn, sizeof(struct gwin_strparams), errno);
104 * Now that we have the private structures allocated, set them up.
106 light_data->setting = 0;
107 light_data->appearance = light_params->appearance;
108 light_data->flashfreq = light_params->flashfreq;
109 light_data->lasttoggletime = 0;
110 strcpy(light_data->label, light_params->label);
112 light_strparams->x = light_onp->o_x + light_params->label_x;
113 light_strparams->y = light_onp->o_y + light_params->label_y;
114 light_strparams->s = light_data->label;
115 light_strparams->highlight = 0;
116 light_data->llrock = (int *)light_strparams;
119 * Attach the private data to the onode, then return the happy news.
121 light_onp->o_data = (int *)light_data;
124 } /*gator_light_create */
126 /*------------------------------------------------------------------------
127 * gator_light_destroy
130 * Destroy a gator light object.
133 * struct onode *onp : Ptr to the light onode to delete.
137 * Error value otherwise.
140 * Nothing interesting.
144 *------------------------------------------------------------------------*/
147 gator_light_destroy(struct onode *onp)
148 { /*gator_light_destroy */
151 * For now, this is a no-op.
155 } /*gator_light_destroy */
157 /*------------------------------------------------------------------------
158 * gator_light_display
161 * Display/redraw a gator light object.
164 * struct onode *onp: Ptr to the light onode to display.
168 * Error value otherwise.
171 * Light objects have a pointer to string-drawing params in the
172 * lower-level rock, with the proper highlighting set according
173 * to whether the light is on or off, so we just have to draw
174 * that string to get the proper effect.
178 *------------------------------------------------------------------------*/
181 gator_light_display(struct onode *onp)
182 { /*gator_light_display */
184 static char rn[] = "gator_light_display"; /*Routine name */
185 struct gator_lightobj *light_data; /*Ptr to light obj data */
186 struct gwin_strparams *label_strparams; /*String-drawing params */
189 * Draw the label, with proper highlighting depending on whether
192 light_data = (struct gator_lightobj *)(onp->o_data);
193 label_strparams = (struct gwin_strparams *)(light_data->llrock);
195 fprintf(stderr, "[%s:%s] Printing out light label '%s' at (%d, %d)\n",
196 mn, rn, label_strparams->s, label_strparams->x,
198 WOP_DRAWSTRING(onp->o_window, label_strparams);
201 } /*gator_light_display */
203 /*------------------------------------------------------------------------
204 * gator_light_release
207 * Drop the refcount on a gator light object.
210 * struct onode *onp : Ptr to the onode whose refcount is
215 * Error value otherwise.
218 * Nothing interesting.
222 *------------------------------------------------------------------------*/
225 gator_light_release(struct onode *onp)
226 { /*gator_light_release */
229 * For now, this is a no-op.
233 } /*gator_light_release */
235 /*------------------------------------------------------------------------
239 * Set the value of the given gator light object.
242 * struct onode *onp : Ptr to the light onode to be set.
243 * int setting : Non-zero for ``on'', zero for ``off''.
247 * Error value otherwise.
250 * We need to set not only the setting field, but the lower-
251 * level structure stored in the rock must have its highlight
252 * field set correctly.
255 * Does NOT redisplay the light object.
256 *------------------------------------------------------------------------*/
259 gator_light_set(struct onode *onp, int setting)
260 { /*gator_light_set */
262 static char rn[] = "gator_light_set"; /*Routine name */
263 struct gator_lightobj *light_data; /*Ptr to light obj data */
264 struct gwin_strparams *label_strparams; /*String-drawing params */
267 * Set the object correctly, then set the highlight field in
268 * the lower-level rock.
270 light_data = (struct gator_lightobj *)(onp->o_data);
271 label_strparams = (struct gwin_strparams *)(light_data->llrock);
273 fprintf(stderr, "[%s:%s] Setting light object at %p to %d (%s)", mn,
274 rn, onp, setting, (setting ? "ON" : "OFF"));
275 light_data->setting = setting;
276 label_strparams->highlight = setting;
280 } /*gator_light_set */