J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #ifndef HEADLESS |
| 27 | |
| 28 | #include <X11/IntrinsicP.h> |
| 29 | #include "VDrawingAreaP.h" |
| 30 | |
| 31 | #endif /* !HEADLESS */ |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | #include <malloc.h> |
| 35 | |
| 36 | #ifdef __linux__ |
| 37 | /* XXX: Shouldn't be necessary. */ |
| 38 | #include "awt_p.h" |
| 39 | #endif /* __linux__ */ |
| 40 | |
| 41 | |
| 42 | /****************************************************************** |
| 43 | * |
| 44 | * Provides Canvas widget which allows the X11 visual to be |
| 45 | * changed (the Motif DrawingArea restricts the visual to that |
| 46 | * of the parent widget). |
| 47 | * |
| 48 | ******************************************************************/ |
| 49 | |
| 50 | |
| 51 | /****************************************************************** |
| 52 | * |
| 53 | * VDrawingArea Widget Resources |
| 54 | * |
| 55 | ******************************************************************/ |
| 56 | |
| 57 | #ifndef HEADLESS |
| 58 | #define Offset(x) (XtOffsetOf(VDrawingAreaRec, x)) |
| 59 | static XtResource resources[]= |
| 60 | { |
| 61 | { XtNvisual, XtCVisual, XtRVisual, sizeof(Visual*), |
| 62 | Offset(vdrawing_area.visual), XtRImmediate, CopyFromParent} |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | static void Realize(); |
| 67 | static Boolean SetValues(); |
| 68 | static void Destroy (); |
| 69 | |
| 70 | static XmBaseClassExtRec baseClassExtRec = { |
| 71 | NULL, |
| 72 | NULLQUARK, |
| 73 | XmBaseClassExtVersion, |
| 74 | sizeof(XmBaseClassExtRec), |
| 75 | NULL, /* InitializePrehook */ |
| 76 | NULL, /* SetValuesPrehook */ |
| 77 | NULL, /* InitializePosthook */ |
| 78 | NULL, /* SetValuesPosthook */ |
| 79 | NULL, /* secondaryObjectClass */ |
| 80 | NULL, /* secondaryCreate */ |
| 81 | NULL, /* getSecRes data */ |
| 82 | { 0 }, /* fastSubclass flags */ |
| 83 | NULL, /* getValuesPrehook */ |
| 84 | NULL, /* getValuesPosthook */ |
| 85 | NULL, /* classPartInitPrehook */ |
| 86 | NULL, /* classPartInitPosthook*/ |
| 87 | NULL, /* ext_resources */ |
| 88 | NULL, /* compiled_ext_resources*/ |
| 89 | 0, /* num_ext_resources */ |
| 90 | FALSE, /* use_sub_resources */ |
| 91 | NULL, /* widgetNavigable */ |
| 92 | NULL, /* focusChange */ |
| 93 | NULL /* wrapper_data */ |
| 94 | }; |
| 95 | |
| 96 | VDrawingAreaClassRec vDrawingAreaClassRec = { |
| 97 | { |
| 98 | /* Core class part */ |
| 99 | |
| 100 | /* superclass */ (WidgetClass)&xmDrawingAreaClassRec, |
| 101 | /* class_name */ "VDrawingArea", |
| 102 | /* widget_size */ sizeof(VDrawingAreaRec), |
| 103 | /* class_initialize */ NULL, |
| 104 | /* class_part_initialize*/ NULL, |
| 105 | /* class_inited */ FALSE, |
| 106 | /* initialize */ NULL, |
| 107 | /* initialize_hook */ NULL, |
| 108 | /* realize */ Realize, |
| 109 | /* actions */ NULL, |
| 110 | /* num_actions */ 0, |
| 111 | /* resources */ resources, |
| 112 | /* num_resources */ XtNumber(resources), |
| 113 | /* xrm_class */ NULLQUARK, |
| 114 | /* compress_motion */ FALSE, |
| 115 | /* compress_exposure */ FALSE, |
| 116 | /* compress_enterleave*/ FALSE, |
| 117 | /* visible_interest */ FALSE, |
| 118 | /* destroy */ Destroy, |
| 119 | /* resize */ XtInheritResize, |
| 120 | /* expose */ XtInheritExpose, |
| 121 | /* set_values */ SetValues, |
| 122 | /* set_values_hook */ NULL, |
| 123 | /* set_values_almost */ XtInheritSetValuesAlmost, |
| 124 | /* get_values_hook */ NULL, |
| 125 | /* accept_focus */ NULL, |
| 126 | /* version */ XtVersion, |
| 127 | /* callback_offsets */ NULL, |
| 128 | /* tm_table */ NULL, |
| 129 | /* query_geometry */ NULL, |
| 130 | /* display_accelerator */ NULL, |
| 131 | /* extension */ NULL |
| 132 | }, |
| 133 | |
| 134 | { /* composite_class fields */ |
| 135 | XtInheritGeometryManager, /* geometry_manager */ |
| 136 | XtInheritChangeManaged, /* change_managed */ |
| 137 | XtInheritInsertChild, /* insert_child */ |
| 138 | XtInheritDeleteChild, /* delete_child */ |
| 139 | NULL, /* extension */ |
| 140 | }, |
| 141 | |
| 142 | { /* constraint_class fields */ |
| 143 | NULL, /* resource list */ |
| 144 | 0, /* num resources */ |
| 145 | 0, /* constraint size */ |
| 146 | NULL, /* init proc */ |
| 147 | NULL, /* destroy proc */ |
| 148 | NULL, /* set values proc */ |
| 149 | NULL, /* extension */ |
| 150 | }, |
| 151 | |
| 152 | { /* manager_class fields */ |
| 153 | XtInheritTranslations, /* translations */ |
| 154 | NULL, /* syn_resources */ |
| 155 | 0, /* num_get_resources */ |
| 156 | NULL, /* syn_cont_resources */ |
| 157 | 0, /* num_get_cont_resources */ |
| 158 | XmInheritParentProcess, /* parent_process */ |
| 159 | NULL, /* extension */ |
| 160 | }, |
| 161 | |
| 162 | { /* drawingArea class */ |
| 163 | /* extension */ NULL |
| 164 | }, |
| 165 | |
| 166 | /* VDrawingArea class part */ |
| 167 | { |
| 168 | /* extension */ NULL |
| 169 | } |
| 170 | }; |
| 171 | |
| 172 | WidgetClass vDrawingAreaClass = (WidgetClass)&vDrawingAreaClassRec; |
| 173 | |
| 174 | static Boolean |
| 175 | SetValues(cw, rw, nw, args, num_args) |
| 176 | Widget cw; |
| 177 | Widget rw; |
| 178 | Widget nw; |
| 179 | ArgList args; |
| 180 | Cardinal *num_args; |
| 181 | { |
| 182 | VDrawingAreaWidget current = (VDrawingAreaWidget)cw; |
| 183 | VDrawingAreaWidget new_w = (VDrawingAreaWidget)nw; |
| 184 | |
| 185 | if (new_w->vdrawing_area.visual != current->vdrawing_area.visual) { |
| 186 | new_w->vdrawing_area.visual = current->vdrawing_area.visual; |
| 187 | #ifdef DEBUG |
| 188 | fprintf(stdout, "VDrawingArea.SetValues: can't change visual from: visualID=%ld to visualID=%ld\n", |
| 189 | current->vdrawing_area.visual->visualid, |
| 190 | new_w->vdrawing_area.visual->visualid); |
| 191 | #endif |
| 192 | |
| 193 | } |
| 194 | |
| 195 | return (False); |
| 196 | } |
| 197 | |
| 198 | int |
| 199 | FindWindowInList (Window parentWindow, Window *colormap_windows, int count) |
| 200 | { |
| 201 | int i; |
| 202 | |
| 203 | for (i = 0; i < count; i++) |
| 204 | if (colormap_windows [i] == parentWindow) |
| 205 | return i; |
| 206 | return -1; |
| 207 | } |
| 208 | |
| 209 | static void |
| 210 | Realize(w, value_mask, attributes) |
| 211 | Widget w; |
| 212 | XtValueMask *value_mask; |
| 213 | XSetWindowAttributes *attributes; |
| 214 | { |
| 215 | Widget parent; |
| 216 | Status status; |
| 217 | Window *colormap_windows; |
| 218 | Window *new_colormap_windows; |
| 219 | int count; |
| 220 | int i; |
| 221 | VDrawingAreaWidget vd = (VDrawingAreaWidget)w; |
| 222 | |
| 223 | #ifdef DEBUG |
| 224 | fprintf(stdout, "VDrawingArea.Realize: visualID=%ld, depth=%d\n", |
| 225 | vd->vdrawing_area.visual->visualid, w->core.depth); |
| 226 | #endif |
| 227 | |
| 228 | /* 4328588: |
| 229 | * Since we have our own Realize() function, we don't execute the one for |
| 230 | * our super-super class, XmManager, and miss the code which checks that |
| 231 | * height and width != 0. I've added that here. -bchristi |
| 232 | */ |
| 233 | if (!XtWidth(w)) XtWidth(w) = 1 ; |
| 234 | if (!XtHeight(w)) XtHeight(w) = 1 ; |
| 235 | |
| 236 | w->core.window = XCreateWindow (XtDisplay (w), XtWindow (w->core.parent), |
| 237 | w->core.x, w->core.y, w->core.width, w->core.height, |
| 238 | 0, w->core.depth, InputOutput, |
| 239 | vd->vdrawing_area.visual, |
| 240 | *value_mask, attributes ); |
| 241 | |
| 242 | /* Need to add this window to the list of Colormap windows */ |
| 243 | parent = XtParent (w); |
| 244 | while ((parent != NULL) && (!(XtIsShell (parent)))) |
| 245 | parent = XtParent (parent); |
| 246 | if (parent == NULL) { |
| 247 | fprintf (stderr, "NO TopLevel widget?!\n"); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | status = XGetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| 252 | &colormap_windows, &count); |
| 253 | |
| 254 | /* If status is zero, add this window and shell to the list |
| 255 | of colormap Windows */ |
| 256 | if (status == 0) { |
| 257 | new_colormap_windows = (Window *) calloc (2, sizeof (Window)); |
| 258 | new_colormap_windows [0] = XtWindow (w); |
| 259 | new_colormap_windows [1] = XtWindow (parent); |
| 260 | XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| 261 | new_colormap_windows, 2); |
| 262 | free (new_colormap_windows); |
| 263 | } else { |
| 264 | /* Check if parent is already in the list */ |
| 265 | int parent_entry = -1; |
| 266 | |
| 267 | if (count > 0) |
| 268 | parent_entry = FindWindowInList (XtWindow (parent), |
| 269 | colormap_windows, count); |
| 270 | if (parent_entry == -1) { /* Parent not in list */ |
| 271 | new_colormap_windows = (Window *) calloc (count + 2, |
| 272 | sizeof (Window)); |
| 273 | new_colormap_windows [0] = XtWindow (w); |
| 274 | new_colormap_windows [1] = XtWindow (parent); |
| 275 | for (i = 0; i < count; i++) |
| 276 | new_colormap_windows [i + 2] = colormap_windows [i]; |
| 277 | XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| 278 | new_colormap_windows, count + 2); |
| 279 | |
| 280 | } else { /* parent already in list, just add new window */ |
| 281 | new_colormap_windows = (Window *) calloc (count + 1, |
| 282 | sizeof (Window)); |
| 283 | new_colormap_windows [0] = XtWindow (w); |
| 284 | for (i = 0; i < count; i++) |
| 285 | new_colormap_windows [i + 1] = colormap_windows [i]; |
| 286 | XSetWMColormapWindows (XtDisplay (w), XtWindow (parent), |
| 287 | new_colormap_windows, count + 1); |
| 288 | } |
| 289 | free (new_colormap_windows); |
| 290 | XFree (colormap_windows); |
| 291 | } |
| 292 | |
| 293 | |
| 294 | } |
| 295 | |
| 296 | static void |
| 297 | Destroy(Widget widget) |
| 298 | { |
| 299 | Status status; |
| 300 | Widget parent; |
| 301 | Window *colormap_windows; |
| 302 | Window *new_colormap_windows; |
| 303 | int count; |
| 304 | int listEntry; |
| 305 | int i; |
| 306 | int j; |
| 307 | |
| 308 | /* Need to get this window's parent shell first */ |
| 309 | parent = XtParent (widget); |
| 310 | while ((parent != NULL) && (!(XtIsShell (parent)))) |
| 311 | parent = XtParent (parent); |
| 312 | if (parent == NULL) { |
| 313 | fprintf (stderr, "NO TopLevel widget?!\n"); |
| 314 | return; |
| 315 | } |
| 316 | |
| 317 | status = XGetWMColormapWindows (XtDisplay (widget), XtWindow (parent), |
| 318 | &colormap_windows, &count); |
| 319 | |
| 320 | /* If status is zero, then there were no colormap windows for |
| 321 | the parent ?? */ |
| 322 | |
| 323 | if (status == 0) |
| 324 | return; |
| 325 | |
| 326 | /* Remove this window from the list of colormap windows */ |
| 327 | listEntry = FindWindowInList (XtWindow (widget), colormap_windows, |
| 328 | count); |
| 329 | |
| 330 | new_colormap_windows = (Window *) calloc (count - 1, sizeof (Window)); |
| 331 | j = 0; |
| 332 | for (i = 0; i < count; i++) { |
| 333 | if (i == listEntry) |
| 334 | continue; |
| 335 | new_colormap_windows [j] = colormap_windows [i]; |
| 336 | j++; |
| 337 | } |
| 338 | XSetWMColormapWindows (XtDisplay (widget), XtWindow (parent), |
| 339 | new_colormap_windows, count - 1); |
| 340 | free (new_colormap_windows); |
| 341 | XFree (colormap_windows); |
| 342 | |
| 343 | } |
| 344 | #endif /* !HEADLESS */ |