| 1 | /* The lwlib interface to Athena widgets. |
| 2 | |
| 3 | Copyright (C) 1993 Chuck Thompson <cthomp@cs.uiuc.edu> |
| 4 | Copyright (C) 1994, 2001-2012 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of the Lucid Widget Library. |
| 7 | |
| 8 | The Lucid Widget Library is free software; you can redistribute it and/or |
| 9 | modify it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 1, or (at your option) |
| 11 | any later version. |
| 12 | |
| 13 | The Lucid Widget Library is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with GNU Emacs; see the file COPYING. If not, write to |
| 20 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 21 | Boston, MA 02110-1301, USA. */ |
| 22 | |
| 23 | #ifdef HAVE_CONFIG_H |
| 24 | #include <config.h> |
| 25 | #endif |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include <setjmp.h> |
| 29 | #include <ctype.h> |
| 30 | |
| 31 | #include <lisp.h> |
| 32 | |
| 33 | #include "lwlib-Xaw.h" |
| 34 | |
| 35 | #include <X11/StringDefs.h> |
| 36 | #include <X11/IntrinsicP.h> |
| 37 | #include <X11/CoreP.h> |
| 38 | #include <X11/Shell.h> |
| 39 | |
| 40 | #ifdef HAVE_XAW3D |
| 41 | #include <X11/Xaw3d/Scrollbar.h> |
| 42 | #include <X11/Xaw3d/Paned.h> |
| 43 | #include <X11/Xaw3d/Dialog.h> |
| 44 | #include <X11/Xaw3d/Form.h> |
| 45 | #include <X11/Xaw3d/Command.h> |
| 46 | #include <X11/Xaw3d/Label.h> |
| 47 | #else /* !HAVE_XAW3D */ |
| 48 | #include <X11/Xaw/Scrollbar.h> |
| 49 | #include <X11/Xaw/Paned.h> |
| 50 | #include <X11/Xaw/Dialog.h> |
| 51 | #include <X11/Xaw/Form.h> |
| 52 | #include <X11/Xaw/Command.h> |
| 53 | #include <X11/Xaw/Label.h> |
| 54 | #endif /* HAVE_XAW3D */ |
| 55 | |
| 56 | #include <X11/Xatom.h> |
| 57 | |
| 58 | #ifdef HAVE_XFT |
| 59 | #include <X11/Xft/Xft.h> |
| 60 | |
| 61 | struct widget_xft_data |
| 62 | { |
| 63 | Widget widget; |
| 64 | XftFont *xft_font; |
| 65 | XftDraw *xft_draw; |
| 66 | XftColor xft_fg, xft_bg; |
| 67 | int p_width, p_height; |
| 68 | Pixmap p; |
| 69 | }; |
| 70 | |
| 71 | |
| 72 | #endif |
| 73 | |
| 74 | static void xaw_generic_callback (Widget widget, |
| 75 | XtPointer closure, |
| 76 | XtPointer call_data); |
| 77 | |
| 78 | |
| 79 | Boolean |
| 80 | lw_xaw_widget_p (Widget widget) |
| 81 | { |
| 82 | return (XtIsSubclass (widget, scrollbarWidgetClass) || |
| 83 | XtIsSubclass (widget, dialogWidgetClass)); |
| 84 | } |
| 85 | |
| 86 | |
| 87 | #ifdef HAVE_XFT |
| 88 | static void |
| 89 | fill_xft_data (struct widget_xft_data *data, Widget widget, XftFont *font) |
| 90 | { |
| 91 | Pixel bg, fg; |
| 92 | XColor colors[2]; |
| 93 | |
| 94 | data->widget = widget; |
| 95 | data->xft_font = font; |
| 96 | XtVaGetValues (widget, |
| 97 | XtNbackground, &bg, |
| 98 | XtNforeground, &fg, |
| 99 | NULL); |
| 100 | |
| 101 | colors[0].pixel = data->xft_fg.pixel = fg; |
| 102 | colors[1].pixel = data->xft_bg.pixel = bg; |
| 103 | XQueryColors (XtDisplay (widget), |
| 104 | DefaultColormapOfScreen (XtScreen (widget)), |
| 105 | colors, 2); |
| 106 | |
| 107 | data->xft_fg.color.alpha = 0xFFFF; |
| 108 | data->xft_fg.color.red = colors[0].red; |
| 109 | data->xft_fg.color.green = colors[0].green; |
| 110 | data->xft_fg.color.blue = colors[0].blue; |
| 111 | data->xft_bg.color.alpha = 0xFFFF; |
| 112 | data->xft_bg.color.red = colors[1].red; |
| 113 | data->xft_bg.color.green = colors[1].green; |
| 114 | data->xft_bg.color.blue = colors[1].blue; |
| 115 | |
| 116 | data->p = None; |
| 117 | data->xft_draw = 0; |
| 118 | data->p_width = data->p_height = 0; |
| 119 | } |
| 120 | |
| 121 | static XftFont* |
| 122 | openFont (Widget widget, char *name) |
| 123 | { |
| 124 | char *fname = name; |
| 125 | int screen = XScreenNumberOfScreen (XtScreen (widget)); |
| 126 | int len = strlen (fname), i = len-1; |
| 127 | XftFont *fn; |
| 128 | |
| 129 | /* Try to convert Gtk-syntax (Sans 9) to Xft syntax Sans-9. */ |
| 130 | while (i > 0 && isdigit (fname[i])) |
| 131 | --i; |
| 132 | if (fname[i] == ' ') |
| 133 | { |
| 134 | fname = xstrdup (name); |
| 135 | fname[i] = '-'; |
| 136 | } |
| 137 | |
| 138 | fn = XftFontOpenName (XtDisplay (widget), screen, fname); |
| 139 | if (fname != name) xfree (fname); |
| 140 | |
| 141 | return fn; |
| 142 | } |
| 143 | |
| 144 | static int |
| 145 | get_text_width_and_height (Widget widget, char *text, |
| 146 | XftFont *xft_font, |
| 147 | int *height) |
| 148 | { |
| 149 | int w = 0, h = 0; |
| 150 | char *bp = text; |
| 151 | |
| 152 | while (bp && *bp != '\0') |
| 153 | { |
| 154 | XGlyphInfo gi; |
| 155 | char *cp = strchr (bp, '\n'); |
| 156 | XftTextExtentsUtf8 (XtDisplay (widget), xft_font, |
| 157 | (FcChar8 *) bp, |
| 158 | cp ? cp - bp : strlen (bp), |
| 159 | &gi); |
| 160 | bp = cp ? cp + 1 : NULL; |
| 161 | h += xft_font->height; |
| 162 | if (w < gi.width) w = gi.width; |
| 163 | } |
| 164 | |
| 165 | *height = h; |
| 166 | return w; |
| 167 | } |
| 168 | |
| 169 | static void |
| 170 | draw_text (struct widget_xft_data *data, char *lbl, int inverse) |
| 171 | { |
| 172 | Screen *sc = XtScreen (data->widget); |
| 173 | int screen = XScreenNumberOfScreen (sc); |
| 174 | int y = data->xft_font->ascent; |
| 175 | int x = inverse ? 0 : 2; |
| 176 | char *bp = lbl; |
| 177 | |
| 178 | data->xft_draw = XftDrawCreate (XtDisplay (data->widget), |
| 179 | data->p, |
| 180 | DefaultVisual (XtDisplay (data->widget), |
| 181 | screen), |
| 182 | DefaultColormapOfScreen (sc)); |
| 183 | XftDrawRect (data->xft_draw, |
| 184 | inverse ? &data->xft_fg : &data->xft_bg, |
| 185 | 0, 0, data->p_width, data->p_height); |
| 186 | |
| 187 | if (!inverse) y += 2; |
| 188 | while (bp && *bp != '\0') |
| 189 | { |
| 190 | char *cp = strchr (bp, '\n'); |
| 191 | XftDrawStringUtf8 (data->xft_draw, |
| 192 | inverse ? &data->xft_bg : &data->xft_fg, |
| 193 | data->xft_font, x, y, |
| 194 | (FcChar8 *) bp, |
| 195 | cp ? cp - bp : strlen (bp)); |
| 196 | bp = cp ? cp + 1 : NULL; |
| 197 | /* 1.2 gives reasonable line spacing. */ |
| 198 | y += data->xft_font->height * 1.2; |
| 199 | } |
| 200 | |
| 201 | } |
| 202 | |
| 203 | |
| 204 | static void |
| 205 | set_text (struct widget_xft_data *data, Widget toplevel, char *lbl, int margin) |
| 206 | { |
| 207 | int width, height; |
| 208 | |
| 209 | width = get_text_width_and_height (data->widget, lbl, data->xft_font, |
| 210 | &height); |
| 211 | data->p_width = width + margin; |
| 212 | data->p_height = height + margin; |
| 213 | |
| 214 | data->p = XCreatePixmap (XtDisplay (data->widget), |
| 215 | XtWindow (toplevel), |
| 216 | data->p_width, |
| 217 | data->p_height, |
| 218 | DefaultDepthOfScreen (XtScreen (data->widget))); |
| 219 | draw_text (data, lbl, 0); |
| 220 | XtVaSetValues (data->widget, XtNbitmap, data->p, NULL); |
| 221 | } |
| 222 | |
| 223 | static struct widget_xft_data * |
| 224 | find_xft_data (Widget widget) |
| 225 | { |
| 226 | widget_instance *inst = NULL; |
| 227 | Widget parent = XtParent (widget); |
| 228 | struct widget_xft_data *data = NULL; |
| 229 | int nr; |
| 230 | while (parent && !inst) |
| 231 | { |
| 232 | inst = lw_get_widget_instance (parent); |
| 233 | parent = XtParent (parent); |
| 234 | } |
| 235 | if (!inst || !inst->xft_data || !inst->xft_data[0].xft_font) return 0; |
| 236 | |
| 237 | for (nr = 0; data == NULL && nr < inst->nr_xft_data; ++nr) |
| 238 | { |
| 239 | if (inst->xft_data[nr].widget == widget) |
| 240 | data = &inst->xft_data[nr]; |
| 241 | } |
| 242 | |
| 243 | return data; |
| 244 | } |
| 245 | |
| 246 | static void |
| 247 | command_press (Widget widget, |
| 248 | XEvent* event, |
| 249 | String *params, |
| 250 | Cardinal *num_params) |
| 251 | { |
| 252 | struct widget_xft_data *data = find_xft_data (widget); |
| 253 | if (data) |
| 254 | { |
| 255 | char *lbl; |
| 256 | /* Since this isn't used for rectangle buttons, use it to for armed. */ |
| 257 | XtVaSetValues (widget, XtNcornerRoundPercent, 1, NULL); |
| 258 | |
| 259 | XtVaGetValues (widget, XtNlabel, &lbl, NULL); |
| 260 | draw_text (data, lbl, 1); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | static void |
| 265 | command_reset (Widget widget, |
| 266 | XEvent* event, |
| 267 | String *params, |
| 268 | Cardinal *num_params) |
| 269 | { |
| 270 | struct widget_xft_data *data = find_xft_data (widget); |
| 271 | if (data) |
| 272 | { |
| 273 | Dimension cr; |
| 274 | XtVaGetValues (widget, XtNcornerRoundPercent, &cr, NULL); |
| 275 | if (cr == 1) |
| 276 | { |
| 277 | char *lbl; |
| 278 | XtVaSetValues (widget, XtNcornerRoundPercent, 0, NULL); |
| 279 | XtVaGetValues (widget, XtNlabel, &lbl, NULL); |
| 280 | draw_text (data, lbl, 0); |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | |
| 286 | #endif |
| 287 | |
| 288 | void |
| 289 | xaw_update_one_widget (widget_instance *instance, |
| 290 | Widget widget, |
| 291 | widget_value *val, |
| 292 | Boolean deep_p) |
| 293 | { |
| 294 | if (XtIsSubclass (widget, dialogWidgetClass)) |
| 295 | { |
| 296 | |
| 297 | #ifdef HAVE_XFT |
| 298 | if (instance->xft_data && instance->xft_data[0].xft_font) |
| 299 | { |
| 300 | set_text (&instance->xft_data[0], instance->parent, |
| 301 | val->contents->value, 10); |
| 302 | } |
| 303 | #endif |
| 304 | XtVaSetValues (widget, XtNlabel, val->contents->value, NULL); |
| 305 | } |
| 306 | else if (XtIsSubclass (widget, commandWidgetClass)) |
| 307 | { |
| 308 | Dimension bw = 0; |
| 309 | Arg al[10]; |
| 310 | int ac = 0; |
| 311 | |
| 312 | XtVaGetValues (widget, XtNborderWidth, &bw, NULL); |
| 313 | if (bw == 0) |
| 314 | /* Don't let buttons end up with 0 borderwidth, that's ugly... |
| 315 | Yeah, all this should really be done through app-defaults files |
| 316 | or fallback resources, but that's a whole different can of worms |
| 317 | that I don't feel like opening right now. Making Athena widgets |
| 318 | not look like shit is just entirely too much work. |
| 319 | */ |
| 320 | { |
| 321 | XtSetArg (al[0], XtNborderWidth, 1); |
| 322 | XtSetValues (widget, al, 1); |
| 323 | } |
| 324 | |
| 325 | XtSetSensitive (widget, val->enabled); |
| 326 | XtSetArg (al[ac], XtNlabel, val->value);ac++; |
| 327 | /* Force centered button text. Se above. */ |
| 328 | XtSetArg (al[ac], XtNjustify, XtJustifyCenter);ac++; |
| 329 | #ifdef HAVE_XFT |
| 330 | if (instance->xft_data && instance->xft_data[0].xft_font) |
| 331 | { |
| 332 | int th; |
| 333 | int nr; |
| 334 | for (nr = 0; nr < instance->nr_xft_data; ++nr) |
| 335 | if (instance->xft_data[nr].widget == widget) |
| 336 | break; |
| 337 | if (nr < instance->nr_xft_data) |
| 338 | { |
| 339 | set_text (&instance->xft_data[nr], instance->parent, |
| 340 | val->value, 6); |
| 341 | |
| 342 | /* Must set internalHeight to twice the highlight thickness, |
| 343 | or else it gets overwritten by our pixmap. Probably a bug. */ |
| 344 | XtVaGetValues (widget, XtNhighlightThickness, &th, NULL); |
| 345 | XtSetArg (al[ac], XtNinternalHeight, 2*th);ac++; |
| 346 | } |
| 347 | } |
| 348 | #endif |
| 349 | XtSetValues (widget, al, ac); |
| 350 | XtRemoveAllCallbacks (widget, XtNcallback); |
| 351 | XtAddCallback (widget, XtNcallback, xaw_generic_callback, instance); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | void |
| 356 | xaw_update_one_value (widget_instance *instance, |
| 357 | Widget widget, |
| 358 | widget_value *val) |
| 359 | { |
| 360 | /* This function is not used by the scrollbars and those are the only |
| 361 | Athena widget implemented at the moment so do nothing. */ |
| 362 | return; |
| 363 | } |
| 364 | |
| 365 | void |
| 366 | xaw_destroy_instance (widget_instance *instance) |
| 367 | { |
| 368 | #ifdef HAVE_XFT |
| 369 | if (instance->xft_data) |
| 370 | { |
| 371 | int i; |
| 372 | for (i = 0; i < instance->nr_xft_data; ++i) |
| 373 | { |
| 374 | if (instance->xft_data[i].xft_draw) |
| 375 | XftDrawDestroy (instance->xft_data[i].xft_draw); |
| 376 | if (instance->xft_data[i].p != None) |
| 377 | { |
| 378 | XtVaSetValues (instance->xft_data[i].widget, XtNbitmap, None, |
| 379 | NULL); |
| 380 | XFreePixmap (XtDisplay (instance->widget), |
| 381 | instance->xft_data[i].p); |
| 382 | } |
| 383 | } |
| 384 | if (instance->xft_data[0].xft_font) |
| 385 | XftFontClose (XtDisplay (instance->widget), |
| 386 | instance->xft_data[0].xft_font); |
| 387 | xfree (instance->xft_data); |
| 388 | } |
| 389 | #endif |
| 390 | if (XtIsSubclass (instance->widget, dialogWidgetClass)) |
| 391 | /* Need to destroy the Shell too. */ |
| 392 | XtDestroyWidget (XtParent (instance->widget)); |
| 393 | else |
| 394 | XtDestroyWidget (instance->widget); |
| 395 | } |
| 396 | |
| 397 | void |
| 398 | xaw_popup_menu (Widget widget, XEvent *event) |
| 399 | { |
| 400 | /* An Athena menubar has not been implemented. */ |
| 401 | return; |
| 402 | } |
| 403 | |
| 404 | void |
| 405 | xaw_pop_instance (widget_instance *instance, Boolean up) |
| 406 | { |
| 407 | Widget widget = instance->widget; |
| 408 | |
| 409 | if (up) |
| 410 | { |
| 411 | if (XtIsSubclass (widget, dialogWidgetClass)) |
| 412 | { |
| 413 | /* For dialogs, we need to call XtPopup on the parent instead |
| 414 | of calling XtManageChild on the widget. |
| 415 | Also we need to hack the shell's WM_PROTOCOLS to get it to |
| 416 | understand what the close box is supposed to do!! |
| 417 | */ |
| 418 | Display *dpy = XtDisplay (widget); |
| 419 | Widget shell = XtParent (widget); |
| 420 | Atom props [2]; |
| 421 | int i = 0; |
| 422 | props [i++] = XInternAtom (dpy, "WM_DELETE_WINDOW", False); |
| 423 | XChangeProperty (dpy, XtWindow (shell), |
| 424 | XInternAtom (dpy, "WM_PROTOCOLS", False), |
| 425 | XA_ATOM, 32, PropModeAppend, |
| 426 | (unsigned char *) props, i); |
| 427 | |
| 428 | /* Center the widget in its parent. Why isn't this kind of crap |
| 429 | done automatically? I thought toolkits were supposed to make |
| 430 | life easier? |
| 431 | */ |
| 432 | { |
| 433 | unsigned int x, y, w, h; |
| 434 | Widget topmost = instance->parent; |
| 435 | Arg args[2]; |
| 436 | |
| 437 | w = shell->core.width; |
| 438 | h = shell->core.height; |
| 439 | while (topmost->core.parent && XtIsRealized (topmost->core.parent)) |
| 440 | topmost = topmost->core.parent; |
| 441 | if (topmost->core.width < w) x = topmost->core.x; |
| 442 | else x = topmost->core.x + ((topmost->core.width - w) / 2); |
| 443 | if (topmost->core.height < h) y = topmost->core.y; |
| 444 | else y = topmost->core.y + ((topmost->core.height - h) / 2); |
| 445 | /* Using XtMoveWidget caused the widget to come |
| 446 | out in the wrong place with vtwm. |
| 447 | Question of virtual vs real coords, perhaps. */ |
| 448 | XtSetArg (args[0], XtNx, x); |
| 449 | XtSetArg (args[1], XtNy, y); |
| 450 | XtSetValues (shell, args, 2); |
| 451 | } |
| 452 | |
| 453 | /* Finally, pop it up. */ |
| 454 | XtPopup (shell, XtGrabNonexclusive); |
| 455 | } |
| 456 | else |
| 457 | XtManageChild (widget); |
| 458 | } |
| 459 | else |
| 460 | { |
| 461 | if (XtIsSubclass (widget, dialogWidgetClass)) |
| 462 | XtUnmanageChild (XtParent (widget)); |
| 463 | else |
| 464 | XtUnmanageChild (widget); |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | \f |
| 469 | /* Dialog boxes */ |
| 470 | |
| 471 | static char overrideTrans[] = |
| 472 | "<Message>WM_PROTOCOLS: lwlib_delete_dialog()"; |
| 473 | /* Dialogs pop down on any key press */ |
| 474 | static char dialogOverride[] = |
| 475 | "<KeyPress>Escape: lwlib_delete_dialog()"; |
| 476 | static void wm_delete_window (Widget w, |
| 477 | XEvent *event, |
| 478 | String *params, |
| 479 | Cardinal *num_params); |
| 480 | static XtActionsRec xaw_actions [] = { |
| 481 | {"lwlib_delete_dialog", wm_delete_window} |
| 482 | }; |
| 483 | static Boolean actions_initted = False; |
| 484 | |
| 485 | #ifdef HAVE_XFT |
| 486 | static XtActionsRec button_actions[] = |
| 487 | { |
| 488 | { "my_reset", command_reset }, |
| 489 | { "my_press", command_press }, |
| 490 | }; |
| 491 | char buttonTrans[] = |
| 492 | "<Leave>: reset() my_reset()\n" |
| 493 | "<Btn1Down>: set() my_press()\n" |
| 494 | "<Btn1Up>: my_reset() notify() unset()\n"; |
| 495 | #endif |
| 496 | |
| 497 | static Widget |
| 498 | make_dialog (char* name, |
| 499 | Widget parent, |
| 500 | Boolean pop_up_p, |
| 501 | char* shell_title, |
| 502 | char* icon_name, |
| 503 | Boolean text_input_slot, |
| 504 | Boolean radio_box, |
| 505 | Boolean list, |
| 506 | int left_buttons, |
| 507 | int right_buttons, |
| 508 | widget_instance *instance) |
| 509 | { |
| 510 | Arg av [20]; |
| 511 | int ac = 0; |
| 512 | int i, bc; |
| 513 | char button_name [255]; |
| 514 | Widget shell; |
| 515 | Widget dialog; |
| 516 | Widget button; |
| 517 | XtTranslations override; |
| 518 | #ifdef HAVE_XFT |
| 519 | XftFont *xft_font = 0; |
| 520 | XtTranslations button_override; |
| 521 | #endif |
| 522 | |
| 523 | if (! pop_up_p) abort (); /* not implemented */ |
| 524 | if (text_input_slot) abort (); /* not implemented */ |
| 525 | if (radio_box) abort (); /* not implemented */ |
| 526 | if (list) abort (); /* not implemented */ |
| 527 | |
| 528 | if (! actions_initted) |
| 529 | { |
| 530 | XtAppContext app = XtWidgetToApplicationContext (parent); |
| 531 | XtAppAddActions (app, xaw_actions, |
| 532 | sizeof (xaw_actions) / sizeof (xaw_actions[0])); |
| 533 | #ifdef HAVE_XFT |
| 534 | XtAppAddActions (app, button_actions, |
| 535 | sizeof (button_actions) / sizeof (button_actions[0])); |
| 536 | #endif |
| 537 | actions_initted = True; |
| 538 | } |
| 539 | |
| 540 | override = XtParseTranslationTable (overrideTrans); |
| 541 | |
| 542 | ac = 0; |
| 543 | XtSetArg (av[ac], XtNtitle, shell_title); ac++; |
| 544 | XtSetArg (av[ac], XtNallowShellResize, True); ac++; |
| 545 | |
| 546 | /* Don't allow any geometry request from the user. */ |
| 547 | XtSetArg (av[ac], XtNgeometry, 0); ac++; |
| 548 | |
| 549 | shell = XtCreatePopupShell ("dialog", transientShellWidgetClass, |
| 550 | parent, av, ac); |
| 551 | XtOverrideTranslations (shell, override); |
| 552 | |
| 553 | ac = 0; |
| 554 | dialog = XtCreateManagedWidget (name, dialogWidgetClass, shell, av, ac); |
| 555 | override = XtParseTranslationTable (dialogOverride); |
| 556 | XtOverrideTranslations (dialog, override); |
| 557 | |
| 558 | #ifdef HAVE_XFT |
| 559 | { |
| 560 | int num; |
| 561 | Widget *ch = NULL; |
| 562 | Widget w = 0; |
| 563 | XtVaGetValues (dialog, |
| 564 | XtNnumChildren, &num, |
| 565 | XtNchildren, &ch, NULL); |
| 566 | for (i = 0; i < num; ++i) |
| 567 | { |
| 568 | if (!XtIsSubclass (ch[i], commandWidgetClass) |
| 569 | && XtIsSubclass (ch[i], labelWidgetClass)) |
| 570 | { |
| 571 | w = ch[i]; |
| 572 | break; |
| 573 | } |
| 574 | } |
| 575 | instance->xft_data = 0; |
| 576 | instance->nr_xft_data = 0; |
| 577 | if (w) |
| 578 | { |
| 579 | XtResource rec[] = |
| 580 | { { "font", "Font", XtRString, sizeof(String), 0, XtRString, |
| 581 | (XtPointer)"Sans-10" }}; |
| 582 | char *fontName = NULL; |
| 583 | XtVaGetSubresources (dialog, &fontName, "Dialog", "dialog", |
| 584 | rec, 1, (String)NULL); |
| 585 | if (fontName) |
| 586 | { |
| 587 | XFontStruct *xfn = XLoadQueryFont (XtDisplay (dialog), fontName); |
| 588 | if (!xfn) |
| 589 | xft_font = openFont (dialog, fontName); |
| 590 | else |
| 591 | XFreeFont (XtDisplay (dialog), xfn); |
| 592 | } |
| 593 | |
| 594 | if (xft_font) |
| 595 | { |
| 596 | instance->nr_xft_data = left_buttons + right_buttons + 1; |
| 597 | instance->xft_data = calloc (instance->nr_xft_data, |
| 598 | sizeof(*instance->xft_data)); |
| 599 | |
| 600 | fill_xft_data (&instance->xft_data[0], w, xft_font); |
| 601 | } |
| 602 | } |
| 603 | |
| 604 | button_override = XtParseTranslationTable (buttonTrans); |
| 605 | } |
| 606 | #endif |
| 607 | |
| 608 | bc = 0; |
| 609 | button = 0; |
| 610 | for (i = 0; i < left_buttons; i++) |
| 611 | { |
| 612 | ac = 0; |
| 613 | XtSetArg (av [ac], XtNfromHoriz, button); ac++; |
| 614 | XtSetArg (av [ac], XtNleft, XtChainLeft); ac++; |
| 615 | XtSetArg (av [ac], XtNright, XtChainLeft); ac++; |
| 616 | XtSetArg (av [ac], XtNtop, XtChainBottom); ac++; |
| 617 | XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++; |
| 618 | XtSetArg (av [ac], XtNresizable, True); ac++; |
| 619 | #ifdef HAVE_XAW3D |
| 620 | if (DefaultDepthOfScreen (XtScreen (dialog)) >= 16) |
| 621 | { |
| 622 | /* Turn of dithered shadow if we can. Looks bad */ |
| 623 | XtSetArg (av [ac], "beNiceToColormap", False); ac++; |
| 624 | } |
| 625 | #endif |
| 626 | sprintf (button_name, "button%d", ++bc); |
| 627 | button = XtCreateManagedWidget (button_name, commandWidgetClass, |
| 628 | dialog, av, ac); |
| 629 | #ifdef HAVE_XFT |
| 630 | if (xft_font) |
| 631 | { |
| 632 | fill_xft_data (&instance->xft_data[bc], button, xft_font); |
| 633 | XtOverrideTranslations (button, button_override); |
| 634 | } |
| 635 | #endif |
| 636 | } |
| 637 | |
| 638 | for (i = 0; i < right_buttons; i++) |
| 639 | { |
| 640 | ac = 0; |
| 641 | XtSetArg (av [ac], XtNfromHoriz, button); ac++; |
| 642 | if (i == 0) |
| 643 | { |
| 644 | /* Separator to the other buttons. */ |
| 645 | XtSetArg (av [ac], XtNhorizDistance, 30); ac++; |
| 646 | } |
| 647 | XtSetArg (av [ac], XtNleft, XtChainRight); ac++; |
| 648 | XtSetArg (av [ac], XtNright, XtChainRight); ac++; |
| 649 | XtSetArg (av [ac], XtNtop, XtChainBottom); ac++; |
| 650 | XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++; |
| 651 | XtSetArg (av [ac], XtNresizable, True); ac++; |
| 652 | #ifdef HAVE_XAW3D |
| 653 | if (DefaultDepthOfScreen (XtScreen (dialog)) >= 16) |
| 654 | { |
| 655 | /* Turn of dithered shadow if we can. Looks bad */ |
| 656 | XtSetArg (av [ac], "beNiceToColormap", False); ac++; |
| 657 | } |
| 658 | #endif |
| 659 | sprintf (button_name, "button%d", ++bc); |
| 660 | button = XtCreateManagedWidget (button_name, commandWidgetClass, |
| 661 | dialog, av, ac); |
| 662 | #ifdef HAVE_XFT |
| 663 | if (xft_font) |
| 664 | { |
| 665 | fill_xft_data (&instance->xft_data[bc], button, xft_font); |
| 666 | XtOverrideTranslations (button, button_override); |
| 667 | } |
| 668 | #endif |
| 669 | } |
| 670 | |
| 671 | return dialog; |
| 672 | } |
| 673 | |
| 674 | Widget |
| 675 | xaw_create_dialog (widget_instance *instance) |
| 676 | { |
| 677 | char *name = instance->info->type; |
| 678 | Widget parent = instance->parent; |
| 679 | Widget widget; |
| 680 | Boolean pop_up_p = instance->pop_up_p; |
| 681 | char *shell_name = 0; |
| 682 | char *icon_name = 0; |
| 683 | Boolean text_input_slot = False; |
| 684 | Boolean radio_box = False; |
| 685 | Boolean list = False; |
| 686 | int total_buttons; |
| 687 | int left_buttons = 0; |
| 688 | int right_buttons = 1; |
| 689 | |
| 690 | switch (name [0]) { |
| 691 | case 'E': case 'e': |
| 692 | icon_name = "dbox-error"; |
| 693 | shell_name = "Error"; |
| 694 | break; |
| 695 | |
| 696 | case 'I': case 'i': |
| 697 | icon_name = "dbox-info"; |
| 698 | shell_name = "Information"; |
| 699 | break; |
| 700 | |
| 701 | case 'L': case 'l': |
| 702 | list = True; |
| 703 | icon_name = "dbox-question"; |
| 704 | shell_name = "Prompt"; |
| 705 | break; |
| 706 | |
| 707 | case 'P': case 'p': |
| 708 | text_input_slot = True; |
| 709 | icon_name = "dbox-question"; |
| 710 | shell_name = "Prompt"; |
| 711 | break; |
| 712 | |
| 713 | case 'Q': case 'q': |
| 714 | icon_name = "dbox-question"; |
| 715 | shell_name = "Question"; |
| 716 | break; |
| 717 | } |
| 718 | |
| 719 | total_buttons = name [1] - '0'; |
| 720 | |
| 721 | if (name [3] == 'T' || name [3] == 't') |
| 722 | { |
| 723 | text_input_slot = False; |
| 724 | radio_box = True; |
| 725 | } |
| 726 | else if (name [3]) |
| 727 | right_buttons = name [4] - '0'; |
| 728 | |
| 729 | left_buttons = total_buttons - right_buttons; |
| 730 | |
| 731 | widget = make_dialog (name, parent, pop_up_p, |
| 732 | shell_name, icon_name, text_input_slot, radio_box, |
| 733 | list, left_buttons, right_buttons, instance); |
| 734 | return widget; |
| 735 | } |
| 736 | |
| 737 | |
| 738 | static void |
| 739 | xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data) |
| 740 | { |
| 741 | widget_instance *instance = (widget_instance *) closure; |
| 742 | Widget instance_widget; |
| 743 | LWLIB_ID id; |
| 744 | XtPointer user_data; |
| 745 | |
| 746 | lw_internal_update_other_instances (widget, closure, call_data); |
| 747 | |
| 748 | if (! instance) |
| 749 | return; |
| 750 | if (widget->core.being_destroyed) |
| 751 | return; |
| 752 | |
| 753 | instance_widget = instance->widget; |
| 754 | if (!instance_widget) |
| 755 | return; |
| 756 | |
| 757 | id = instance->info->id; |
| 758 | |
| 759 | /* Damn! Athena doesn't give us a way to hang our own data on the |
| 760 | buttons, so we have to go find it... I guess this assumes that |
| 761 | all instances of a button have the same call data. */ |
| 762 | { |
| 763 | widget_value *val = instance->info->val->contents; |
| 764 | char *name = XtName (widget); |
| 765 | while (val) |
| 766 | { |
| 767 | if (val->name && !strcmp (val->name, name)) |
| 768 | break; |
| 769 | val = val->next; |
| 770 | } |
| 771 | if (! val) abort (); |
| 772 | user_data = val->call_data; |
| 773 | } |
| 774 | |
| 775 | if (instance->info->selection_cb) |
| 776 | instance->info->selection_cb (widget, id, user_data); |
| 777 | } |
| 778 | |
| 779 | static void |
| 780 | wm_delete_window (Widget w, |
| 781 | XEvent *event, |
| 782 | String *params, |
| 783 | Cardinal *num_params) |
| 784 | { |
| 785 | LWLIB_ID id; |
| 786 | Cardinal nkids; |
| 787 | int i; |
| 788 | Widget *kids = 0; |
| 789 | Widget widget = 0, shell; |
| 790 | |
| 791 | if (XtIsSubclass (w, dialogWidgetClass)) |
| 792 | shell = XtParent (w); |
| 793 | else |
| 794 | shell = w; |
| 795 | |
| 796 | if (! XtIsSubclass (shell, shellWidgetClass)) |
| 797 | abort (); |
| 798 | XtVaGetValues (shell, XtNnumChildren, &nkids, NULL); |
| 799 | XtVaGetValues (shell, XtNchildren, &kids, NULL); |
| 800 | if (!kids || !*kids) |
| 801 | abort (); |
| 802 | for (i = 0; i < nkids; i++) |
| 803 | { |
| 804 | widget = kids[i]; |
| 805 | if (XtIsSubclass (widget, dialogWidgetClass)) |
| 806 | break; |
| 807 | } |
| 808 | if (! widget) return; |
| 809 | |
| 810 | id = lw_get_widget_id (widget); |
| 811 | if (! id) abort (); |
| 812 | |
| 813 | { |
| 814 | widget_info *info = lw_get_widget_info (id); |
| 815 | if (! info) abort (); |
| 816 | if (info->selection_cb) |
| 817 | info->selection_cb (widget, id, (XtPointer) -1); |
| 818 | } |
| 819 | |
| 820 | lw_destroy_all_widgets (id); |
| 821 | } |
| 822 | |
| 823 | \f |
| 824 | |
| 825 | static Widget |
| 826 | xaw_create_main (widget_instance *instance) |
| 827 | { |
| 828 | Arg al[1]; |
| 829 | int ac; |
| 830 | |
| 831 | /* Create a vertical Paned to hold menubar */ |
| 832 | ac = 0; |
| 833 | XtSetArg (al[ac], XtNborderWidth, 0); ac++; |
| 834 | return XtCreateWidget (instance->info->name, panedWidgetClass, |
| 835 | instance->parent, al, ac); |
| 836 | } |
| 837 | |
| 838 | widget_creation_entry |
| 839 | xaw_creation_table [] = |
| 840 | { |
| 841 | {"main", xaw_create_main}, |
| 842 | {NULL, NULL} |
| 843 | }; |