Mercurial > hg > xemacs-beta
annotate lwlib/lwlib-Xaw.c @ 4522:fc7067b7f407
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| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Wed, 29 Oct 2008 03:37:16 +0900 |
| parents | 383ab474a241 |
| children | 726060ee587c |
| rev | line source |
|---|---|
| 428 | 1 /* The lwlib interface to Athena widgets. |
| 2 Copyright (C) 1993, 1994 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of the Lucid Widget Library. | |
| 5 | |
| 6 The Lucid Widget Library is free software; you can redistribute it and/or | |
| 7 modify it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 1, or (at your option) | |
| 9 any later version. | |
| 10 | |
| 11 The Lucid Widget Library is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with XEmacs; see the file COPYING. If not, write to | |
| 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 Boston, MA 02111-1307, USA. */ | |
| 20 | |
| 21 #include <config.h> | |
| 22 #include <stdio.h> | |
| 23 | |
| 24 #ifdef STDC_HEADERS | |
| 25 #include <stdlib.h> | |
| 26 #endif | |
| 27 | |
| 28 #include "lwlib-Xaw.h" | |
| 29 | |
| 30 #include <X11/StringDefs.h> | |
| 31 #include <X11/IntrinsicP.h> | |
| 32 #include <X11/CoreP.h> | |
| 33 #include <X11/Shell.h> | |
| 34 | |
| 35 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 442 | 36 #include ATHENA_Scrollbar_h_ |
| 428 | 37 #endif |
| 38 #ifdef LWLIB_DIALOGS_ATHENA | |
| 442 | 39 #include ATHENA_Dialog_h_ |
| 40 #include ATHENA_Form_h_ | |
| 41 #include ATHENA_Command_h_ | |
| 42 #include ATHENA_Label_h_ | |
| 428 | 43 #endif |
| 44 #ifdef LWLIB_WIDGETS_ATHENA | |
| 442 | 45 #include ATHENA_Toggle_h_ |
| 428 | 46 #include "xlwradio.h" |
| 47 #include "xlwcheckbox.h" | |
| 48 #include "xlwgauge.h" | |
| 442 | 49 #include ATHENA_AsciiText_h_ |
| 428 | 50 #endif |
| 51 #include <X11/Xatom.h> | |
| 52 | |
| 53 static void xaw_generic_callback (Widget, XtPointer, XtPointer); | |
| 54 | |
| 3094 | 55 extern int debug_xft; |
| 428 | 56 |
| 57 Boolean | |
| 58 lw_xaw_widget_p (Widget widget) | |
| 59 { | |
| 60 return (0 | |
| 61 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 62 || XtIsSubclass (widget, scrollbarWidgetClass) | |
| 63 #endif | |
| 64 #ifdef LWLIB_DIALOGS_ATHENA | |
| 65 || XtIsSubclass (widget, dialogWidgetClass) | |
| 66 #endif | |
| 67 #ifdef LWLIB_WIDGETS_ATHENA | |
| 68 || XtIsSubclass (widget, labelWidgetClass) | |
| 69 || XtIsSubclass (widget, toggleWidgetClass) | |
| 70 || XtIsSubclass (widget, gaugeWidgetClass) | |
| 442 | 71 #ifndef NEED_MOTIF |
| 72 || XtIsSubclass (widget, asciiTextWidgetClass) | |
| 428 | 73 #endif |
| 74 #endif | |
| 75 ); | |
| 76 } | |
| 77 | |
| 78 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 79 static void | |
| 80 xaw_update_scrollbar (widget_instance *instance, Widget widget, | |
| 81 widget_value *val) | |
| 82 { | |
| 83 if (val->scrollbar_data) | |
| 84 { | |
| 85 scrollbar_values *data = val->scrollbar_data; | |
| 86 float widget_shown, widget_topOfThumb; | |
| 87 float new_shown, new_topOfThumb; | |
| 88 Arg al [10]; | |
| 89 | |
| 90 /* First size and position the scrollbar widget. */ | |
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91 XtSetArg (al [0], XtNx, data->scrollbar_x); |
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92 XtSetArg (al [1], XtNy, data->scrollbar_y); |
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93 XtSetArg (al [2], XtNwidth, data->scrollbar_width); |
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94 XtSetArg (al [3], XtNheight, data->scrollbar_height); |
| 428 | 95 XtSetValues (widget, al, 4); |
| 96 | |
| 97 /* Now size the scrollbar's slider. */ | |
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98 XtSetArg (al [0], XtNtopOfThumb, &widget_topOfThumb); |
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99 XtSetArg (al [1], XtNshown, &widget_shown); |
| 428 | 100 XtGetValues (widget, al, 2); |
| 101 | |
| 102 new_shown = (double) data->slider_size / | |
| 103 (double) (data->maximum - data->minimum); | |
| 104 | |
| 105 new_topOfThumb = (double) (data->slider_position - data->minimum) / | |
| 106 (double) (data->maximum - data->minimum); | |
| 107 | |
| 108 if (new_shown > 1.0) | |
| 109 new_shown = 1.0; | |
| 110 else if (new_shown < 0) | |
| 111 new_shown = 0; | |
| 112 | |
| 113 if (new_topOfThumb > 1.0) | |
| 114 new_topOfThumb = 1.0; | |
| 115 else if (new_topOfThumb < 0) | |
| 116 new_topOfThumb = 0; | |
| 117 | |
| 118 if (new_shown != widget_shown || new_topOfThumb != widget_topOfThumb) | |
| 119 XawScrollbarSetThumb (widget, new_topOfThumb, new_shown); | |
| 120 } | |
| 121 } | |
| 122 #endif /* LWLIB_SCROLLBARS_ATHENA */ | |
| 123 | |
| 124 void | |
| 125 xaw_update_one_widget (widget_instance *instance, Widget widget, | |
| 2286 | 126 widget_value *val, Boolean UNUSED (deep_p)) |
| 428 | 127 { |
| 128 if (0) | |
| 129 ; | |
| 130 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 131 else if (XtIsSubclass (widget, scrollbarWidgetClass)) | |
| 132 { | |
| 133 xaw_update_scrollbar (instance, widget, val); | |
| 134 } | |
| 135 #endif | |
| 442 | 136 #ifdef LWLIB_WIDGETS_ATHENA |
| 137 #ifndef NEED_MOTIF | |
| 138 else if (XtIsSubclass (widget, asciiTextWidgetClass)) | |
| 139 { | |
| 140 } | |
| 141 #endif | |
| 142 #endif | |
| 428 | 143 #ifdef LWLIB_DIALOGS_ATHENA |
| 144 else if (XtIsSubclass (widget, dialogWidgetClass)) | |
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145 { |
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146 Arg al [1]; |
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147 XtSetArg (al [0], XtNlabel, val->contents->value); |
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148 XtSetValues (widget, al, 1); |
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149 } |
| 428 | 150 #endif /* LWLIB_DIALOGS_ATHENA */ |
| 151 #ifdef LWLIB_WIDGETS_ATHENA | |
| 438 | 152 else if (XtClass (widget) == labelWidgetClass) |
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153 { |
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154 Arg al [1]; |
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155 XtSetArg (al [0], XtNlabel, val->value); |
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156 XtSetValues (widget, al, 1); |
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157 } |
| 428 | 158 #endif /* LWLIB_WIDGETS_ATHENA */ |
| 159 #if defined (LWLIB_DIALOGS_ATHENA) || defined (LWLIB_WIDGETS_ATHENA) | |
| 160 else if (XtIsSubclass (widget, commandWidgetClass)) | |
| 161 { | |
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162 Dimension bw = 0; |
| 428 | 163 Arg al [3]; |
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164 XtSetArg (al [0], XtNborderWidth, &bw); |
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165 XtGetValues (widget, al, 1); |
| 428 | 166 |
| 167 #ifndef LWLIB_DIALOGS_ATHENA3D | |
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168 if (bw == 0) |
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169 /* Don't let buttons end up with 0 borderwidth, that's ugly... |
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170 Yeah, all this should really be done through app-defaults files |
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171 or fallback resources, but that's a whole different can of worms |
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172 that I don't feel like opening right now. Making Athena widgets |
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173 not look like shit is just entirely too much work. |
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174 */ |
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175 { |
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176 XtSetArg (al [0], XtNborderWidth, 1); |
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177 XtSetValues (widget, al, 1); |
| 428 | 178 } |
| 179 #endif /* ! LWLIB_DIALOGS_ATHENA3D */ | |
| 180 | |
| 442 | 181 lw_remove_accelerator_spec (val->value); |
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182 XtSetArg (al [0], XtNlabel, val->value); |
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183 XtSetArg (al [1], XtNsensitive, val->enabled); |
| 428 | 184 /* Force centered button text. See above. */ |
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185 XtSetArg (al [2], XtNjustify, XtJustifyCenter); |
| 428 | 186 XtSetValues (widget, al, 3); |
| 187 | |
| 188 XtRemoveAllCallbacks (widget, XtNcallback); | |
| 189 XtAddCallback (widget, XtNcallback, xaw_generic_callback, instance); | |
| 190 #ifdef LWLIB_WIDGETS_ATHENA | |
| 191 /* set the selected state */ | |
| 192 if (XtIsSubclass (widget, toggleWidgetClass)) | |
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193 { |
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194 XtSetArg (al [0], XtNstate, val->selected); |
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195 XtSetValues (widget, al, 1); |
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196 } |
| 428 | 197 #endif /* LWLIB_WIDGETS_ATHENA */ |
| 198 } | |
| 199 #endif /* LWLIB_DIALOGS_ATHENA */ | |
| 442 | 200 /* Lastly update our global arg values. */ |
| 201 if (val->args && val->args->nargs) | |
| 202 XtSetValues (widget, val->args->args, val->args->nargs); | |
| 428 | 203 } |
| 204 | |
| 205 void | |
| 206 xaw_update_one_value (widget_instance *instance, Widget widget, | |
| 207 widget_value *val) | |
| 208 { | |
| 209 #ifdef LWLIB_WIDGETS_ATHENA | |
| 210 widget_value *old_wv; | |
| 211 | |
| 212 /* copy the call_data slot into the "return" widget_value */ | |
| 213 for (old_wv = instance->info->val->contents; old_wv; old_wv = old_wv->next) | |
| 214 if (!strcmp (val->name, old_wv->name)) | |
| 215 { | |
| 216 val->call_data = old_wv->call_data; | |
| 217 break; | |
| 218 } | |
| 219 | |
| 220 if (XtIsSubclass (widget, toggleWidgetClass)) | |
| 221 { | |
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222 Arg al [1]; |
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223 XtSetArg (al [0], XtNstate, &val->selected); |
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224 XtGetValues (widget, al, 1); |
| 428 | 225 val->edited = True; |
| 226 } | |
| 227 #ifndef NEED_MOTIF | |
| 228 else if (XtIsSubclass (widget, asciiTextWidgetClass)) | |
| 229 { | |
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230 Arg al [2]; |
| 442 | 231 String buf = 0; |
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232 XtSetArg (al [0], XtNstring, &buf); |
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233 XtGetValues (widget, al, 1); |
| 442 | 234 |
| 428 | 235 if (val->value) |
| 442 | 236 { |
| 237 free (val->value); | |
| 238 val->value = 0; | |
| 239 } | |
| 240 /* I don't think this causes a leak. */ | |
| 241 if (buf) | |
| 242 val->value = strdup (buf); | |
| 428 | 243 val->edited = True; |
| 244 } | |
| 245 #endif | |
| 246 #endif /* LWLIB_WIDGETS_ATHENA */ | |
| 247 } | |
| 248 | |
| 249 void | |
| 250 xaw_destroy_instance (widget_instance *instance) | |
| 251 { | |
| 252 #ifdef LWLIB_DIALOGS_ATHENA | |
| 253 if (XtIsSubclass (instance->widget, dialogWidgetClass)) | |
| 254 /* Need to destroy the Shell too. */ | |
| 255 XtDestroyWidget (XtParent (instance->widget)); | |
| 256 else | |
| 257 #endif | |
| 258 XtDestroyWidget (instance->widget); | |
| 259 } | |
| 260 | |
| 261 void | |
| 2286 | 262 xaw_popup_menu (Widget UNUSED (widget), XEvent *UNUSED (event)) |
| 428 | 263 { |
| 264 /* An Athena menubar has not been implemented. */ | |
| 265 return; | |
| 266 } | |
| 267 | |
| 268 void | |
| 269 xaw_pop_instance (widget_instance *instance, Boolean up) | |
| 270 { | |
| 271 Widget widget = instance->widget; | |
| 272 | |
| 273 if (up) | |
| 274 { | |
| 275 #ifdef LWLIB_DIALOGS_ATHENA | |
| 276 if (XtIsSubclass (widget, dialogWidgetClass)) | |
| 277 { | |
| 278 /* For dialogs, we need to call XtPopup on the parent instead | |
| 279 of calling XtManageChild on the widget. | |
| 280 Also we need to hack the shell's WM_PROTOCOLS to get it to | |
| 281 understand what the close box is supposed to do!! | |
| 282 */ | |
| 283 Display *dpy = XtDisplay (widget); | |
| 284 Widget shell = XtParent (widget); | |
| 285 Atom props [2]; | |
| 286 int i = 0; | |
| 287 props [i++] = XInternAtom (dpy, "WM_DELETE_WINDOW", False); | |
| 288 XChangeProperty (dpy, XtWindow (shell), | |
| 289 XInternAtom (dpy, "WM_PROTOCOLS", False), | |
| 290 XA_ATOM, 32, PropModeAppend, | |
| 291 (unsigned char *) props, i); | |
| 292 | |
| 293 /* Center the widget in its parent. Why isn't this kind of crap | |
| 294 done automatically? I thought toolkits were supposed to make | |
| 295 life easier? | |
| 296 */ | |
| 297 { | |
| 298 unsigned int x, y, w, h; | |
| 299 Widget topmost = instance->parent; | |
| 300 w = shell->core.width; | |
| 301 h = shell->core.height; | |
| 302 while (topmost->core.parent && | |
| 303 XtIsRealized (topmost->core.parent) && | |
| 304 /* HAVE_SESSION adds an unmapped parent widget that | |
| 305 we should ignore here. */ | |
| 306 topmost->core.parent->core.mapped_when_managed) | |
| 307 topmost = topmost->core.parent; | |
| 308 if (topmost->core.width < w) x = topmost->core.x; | |
| 309 else x = topmost->core.x + ((topmost->core.width - w) / 2); | |
| 310 if (topmost->core.height < h) y = topmost->core.y; | |
| 311 else y = topmost->core.y + ((topmost->core.height - h) / 2); | |
| 312 XtMoveWidget (shell, x, y); | |
| 313 } | |
| 314 | |
| 315 /* Finally, pop it up. */ | |
| 316 XtPopup (shell, XtGrabNonexclusive); | |
| 317 } | |
| 318 else | |
| 319 #endif /* LWLIB_DIALOGS_ATHENA */ | |
| 320 XtManageChild (widget); | |
| 321 } | |
| 322 else | |
| 323 { | |
| 324 #ifdef LWLIB_DIALOGS_ATHENA | |
| 325 if (XtIsSubclass (widget, dialogWidgetClass)) | |
| 326 XtUnmanageChild (XtParent (widget)); | |
| 327 else | |
| 328 #endif | |
| 329 XtUnmanageChild (widget); | |
| 330 } | |
| 331 } | |
| 332 | |
| 333 | |
| 334 #ifdef LWLIB_DIALOGS_ATHENA | |
| 335 /* Dialog boxes */ | |
| 336 | |
| 337 static char overrideTrans[] = | |
| 338 "<Message>WM_PROTOCOLS: lwlib_delete_dialog()"; | |
| 339 static XtActionProc wm_delete_window (Widget shell, XtPointer closure, | |
| 340 XtPointer call_data); | |
| 341 static XtActionsRec xaw_actions [] = { | |
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342 {"lwlib_delete_dialog", (XtActionProc) wm_delete_window} |
| 428 | 343 }; |
| 344 static Boolean actions_initted = False; | |
| 345 | |
| 346 static Widget | |
| 442 | 347 make_dialog (const char* name, Widget parent, Boolean pop_up_p, |
| 2286 | 348 const char* shell_title, const char* UNUSED (icon_name), |
| 428 | 349 Boolean text_input_slot, |
| 350 Boolean radio_box, Boolean list, | |
| 351 int left_buttons, int right_buttons) | |
| 352 { | |
| 353 Arg av [20]; | |
| 354 int ac = 0; | |
| 355 int i, bc; | |
| 356 char button_name [255]; | |
| 357 Widget shell; | |
| 358 Widget dialog; | |
| 359 Widget button; | |
| 360 XtTranslations override; | |
| 361 | |
| 362 if (! pop_up_p) abort (); /* not implemented */ | |
| 363 if (text_input_slot) abort (); /* not implemented */ | |
| 364 if (radio_box) abort (); /* not implemented */ | |
| 365 if (list) abort (); /* not implemented */ | |
| 366 | |
| 367 if (! actions_initted) | |
| 368 { | |
| 369 XtAppContext app = XtWidgetToApplicationContext (parent); | |
| 370 XtAppAddActions (app, xaw_actions, | |
| 371 sizeof (xaw_actions) / sizeof (xaw_actions[0])); | |
| 372 actions_initted = True; | |
| 373 } | |
| 374 | |
| 375 override = XtParseTranslationTable (overrideTrans); | |
| 376 | |
| 377 ac = 0; | |
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378 XtSetArg (av[ac], XtNtitle, shell_title); ac++; |
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379 XtSetArg (av[ac], XtNallowShellResize, True); ac++; |
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380 XtSetArg (av[ac], XtNtransientFor, parent); ac++; |
| 428 | 381 shell = XtCreatePopupShell ("dialog", transientShellWidgetClass, |
| 382 parent, av, ac); | |
| 383 XtOverrideTranslations (shell, override); | |
| 384 | |
| 385 ac = 0; | |
| 386 dialog = XtCreateManagedWidget (name, dialogWidgetClass, shell, av, ac); | |
| 387 | |
| 388 bc = 0; | |
| 389 button = 0; | |
| 390 for (i = 0; i < left_buttons; i++) | |
| 391 { | |
| 392 ac = 0; | |
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393 XtSetArg (av [ac], XtNfromHoriz, button); ac++; |
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394 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++; |
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395 XtSetArg (av [ac], XtNright, XtChainLeft); ac++; |
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396 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++; |
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397 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++; |
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398 XtSetArg (av [ac], XtNresizable, True); ac++; |
| 428 | 399 sprintf (button_name, "button%d", ++bc); |
| 400 button = XtCreateManagedWidget (button_name, commandWidgetClass, | |
| 401 dialog, av, ac); | |
| 402 } | |
| 403 if (right_buttons) | |
| 404 { | |
| 405 /* Create a separator | |
| 406 | |
| 407 I want the separator to take up the slack between the buttons on | |
| 408 the right and the buttons on the left (that is I want the buttons | |
| 409 after the separator to be packed against the right edge of the | |
| 410 window) but I can't seem to make it do it. | |
| 411 */ | |
| 412 ac = 0; | |
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413 XtSetArg (av [ac], XtNfromHoriz, button); ac++; |
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414 /* XtSetArg (av [ac], XtNfromVert, XtNameToWidget (dialog, "label")); ac++; */ |
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415 XtSetArg (av [ac], XtNleft, XtChainLeft); ac++; |
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416 XtSetArg (av [ac], XtNright, XtChainRight); ac++; |
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417 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++; |
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418 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++; |
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419 XtSetArg (av [ac], XtNlabel, ""); ac++; |
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420 XtSetArg (av [ac], XtNwidth, 30); ac++; /* #### aaack!! */ |
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421 XtSetArg (av [ac], XtNborderWidth, 0); ac++; |
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422 XtSetArg (av [ac], XtNshapeStyle, XmuShapeRectangle); ac++; |
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423 XtSetArg (av [ac], XtNresizable, False); ac++; |
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424 XtSetArg (av [ac], XtNsensitive, False); ac++; |
| 428 | 425 button = XtCreateManagedWidget ("separator", |
| 426 /* labelWidgetClass, */ | |
| 427 /* This has to be Command to fake out | |
| 428 the Dialog widget... */ | |
| 429 commandWidgetClass, | |
| 430 dialog, av, ac); | |
| 431 } | |
| 432 for (i = 0; i < right_buttons; i++) | |
| 433 { | |
| 434 ac = 0; | |
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435 XtSetArg (av [ac], XtNfromHoriz, button); ac++; |
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436 XtSetArg (av [ac], XtNleft, XtChainRight); ac++; |
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437 XtSetArg (av [ac], XtNright, XtChainRight); ac++; |
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438 XtSetArg (av [ac], XtNtop, XtChainBottom); ac++; |
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439 XtSetArg (av [ac], XtNbottom, XtChainBottom); ac++; |
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440 XtSetArg (av [ac], XtNresizable, True); ac++; |
| 428 | 441 sprintf (button_name, "button%d", ++bc); |
| 442 button = XtCreateManagedWidget (button_name, commandWidgetClass, | |
| 443 dialog, av, ac); | |
| 444 } | |
| 445 | |
| 446 return dialog; | |
| 447 } | |
| 448 | |
| 449 Widget | |
| 450 xaw_create_dialog (widget_instance* instance) | |
| 451 { | |
| 452 char *name = instance->info->type; | |
| 453 Widget parent = instance->parent; | |
| 454 Widget widget; | |
| 455 Boolean pop_up_p = instance->pop_up_p; | |
| 442 | 456 const char *shell_name = 0; |
| 457 const char *icon_name = 0; | |
| 428 | 458 Boolean text_input_slot = False; |
| 459 Boolean radio_box = False; | |
| 460 Boolean list = False; | |
| 461 int total_buttons; | |
| 462 int left_buttons = 0; | |
| 463 int right_buttons = 1; | |
| 464 | |
| 465 switch (name [0]) { | |
| 466 case 'E': case 'e': | |
| 467 icon_name = "dbox-error"; | |
| 468 shell_name = "Error"; | |
| 469 break; | |
| 470 | |
| 471 case 'I': case 'i': | |
| 472 icon_name = "dbox-info"; | |
| 473 shell_name = "Information"; | |
| 474 break; | |
| 475 | |
| 476 case 'L': case 'l': | |
| 477 list = True; | |
| 478 icon_name = "dbox-question"; | |
| 479 shell_name = "Prompt"; | |
| 480 break; | |
| 481 | |
| 482 case 'P': case 'p': | |
| 483 text_input_slot = True; | |
| 484 icon_name = "dbox-question"; | |
| 485 shell_name = "Prompt"; | |
| 486 break; | |
| 487 | |
| 488 case 'Q': case 'q': | |
| 489 icon_name = "dbox-question"; | |
| 490 shell_name = "Question"; | |
| 491 break; | |
| 492 } | |
| 493 | |
| 494 total_buttons = name [1] - '0'; | |
| 495 | |
| 496 if (name [3] == 'T' || name [3] == 't') | |
| 497 { | |
| 498 text_input_slot = False; | |
| 499 radio_box = True; | |
| 500 } | |
| 501 else if (name [3]) | |
| 502 right_buttons = name [4] - '0'; | |
| 503 | |
| 504 left_buttons = total_buttons - right_buttons; | |
| 505 | |
| 506 widget = make_dialog (name, parent, pop_up_p, | |
| 507 shell_name, icon_name, text_input_slot, radio_box, | |
| 508 list, left_buttons, right_buttons); | |
| 509 | |
| 510 return widget; | |
| 511 } | |
| 512 #endif /* LWLIB_DIALOGS_ATHENA */ | |
| 513 | |
| 514 | |
| 515 static void | |
| 516 xaw_generic_callback (Widget widget, XtPointer closure, XtPointer call_data) | |
| 517 { | |
| 518 widget_instance *instance = (widget_instance *) closure; | |
| 519 Widget instance_widget; | |
| 520 LWLIB_ID id; | |
| 521 XtPointer user_data; | |
| 522 #ifdef LWLIB_WIDGETS_ATHENA | |
| 523 /* We want the selected status to change only when we decide it | |
| 524 should change. Yuck but correct. */ | |
| 525 if (XtIsSubclass (widget, toggleWidgetClass)) | |
| 526 { | |
| 527 Boolean check; | |
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528 Arg al [1]; |
| 428 | 529 |
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530 XtSetArg (al [0], XtNstate, &check); |
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531 XtGetValues (widget, al, 1); |
| 428 | 532 |
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533 XtSetArg (al [0], XtNstate, !check); |
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534 XtSetValues (widget, al, 1); |
| 428 | 535 } |
| 536 #endif /* LWLIB_WIDGETS_ATHENA */ | |
| 537 lw_internal_update_other_instances (widget, closure, call_data); | |
| 538 | |
| 539 if (! instance) | |
| 540 return; | |
| 541 if (widget->core.being_destroyed) | |
| 542 return; | |
| 543 | |
| 544 instance_widget = instance->widget; | |
| 545 if (!instance_widget) | |
| 546 return; | |
| 547 | |
| 548 id = instance->info->id; | |
| 549 | |
| 550 #if 0 | |
| 551 user_data = NULL; | |
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552 { |
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553 Arg al [1]; |
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554 XtSetArg (al [0], XtNuserData, &user_data); |
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555 XtGetValues (widget, al, 1); |
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556 } |
| 428 | 557 #else |
| 558 /* Damn! Athena doesn't give us a way to hang our own data on the | |
| 559 buttons, so we have to go find it... I guess this assumes that | |
| 560 all instances of a button have the same call data. | |
| 561 | |
| 562 ... Which is a totally bogus assumption --andyp */ | |
| 563 { | |
| 564 widget_value *val = instance->info->val; | |
| 565 /* If the widget is a buffer/gutter widget then we already have | |
| 566 the one we are looking for, so don't try and descend the widget | |
| 567 tree. */ | |
| 568 if (val->contents) | |
| 569 { | |
| 570 char *name = XtName (widget); | |
| 571 val = val->contents; | |
| 572 while (val) | |
| 573 { | |
| 574 if (val->name && !strcmp (val->name, name)) | |
| 575 break; | |
| 576 val = val->next; | |
| 577 } | |
| 578 if (! val) abort (); | |
| 579 } | |
| 580 user_data = val->call_data; | |
| 581 } | |
| 582 #endif | |
| 583 | |
| 584 if (instance->info->selection_cb) | |
| 585 instance->info->selection_cb (widget, id, user_data); | |
| 586 } | |
| 587 | |
| 588 #ifdef LWLIB_DIALOGS_ATHENA | |
| 589 | |
| 590 static XtActionProc | |
| 2286 | 591 wm_delete_window (Widget shell, XtPointer UNUSED (closure), |
| 592 XtPointer UNUSED (call_data)) | |
| 428 | 593 { |
| 594 LWLIB_ID id; | |
| 595 Widget *kids = 0; | |
| 596 Widget widget; | |
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597 Arg al [1]; |
| 428 | 598 if (! XtIsSubclass (shell, shellWidgetClass)) |
| 599 abort (); | |
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600 XtSetArg (al [0], XtNchildren, &kids); |
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601 XtGetValues (shell, al, 1); |
| 3958 | 602 if (!kids || !*kids) abort (); |
| 603 | |
| 604 for (widget = *kids; | |
| 605 widget && ! XtIsSubclass (widget, dialogWidgetClass); | |
| 606 widget = *++kids) | |
| 607 ; | |
| 608 if (!widget) abort (); | |
| 609 | |
| 428 | 610 id = lw_get_widget_id (widget); |
| 611 if (! id) abort (); | |
| 612 | |
| 613 { | |
| 614 widget_info *info = lw_get_widget_info (id); | |
| 615 if (! info) abort (); | |
| 616 if (info->selection_cb) | |
| 617 info->selection_cb (widget, id, (XtPointer) -1); | |
| 618 } | |
| 619 | |
| 620 lw_destroy_all_widgets (id); | |
| 621 return NULL; | |
| 622 } | |
| 623 | |
| 624 #endif /* LWLIB_DIALOGS_ATHENA */ | |
| 625 | |
| 626 | |
| 627 /* Scrollbars */ | |
| 628 | |
| 629 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 630 static void | |
| 631 xaw_scrollbar_scroll (Widget widget, XtPointer closure, XtPointer call_data) | |
| 632 { | |
| 633 widget_instance *instance = (widget_instance *) closure; | |
| 634 LWLIB_ID id; | |
| 635 scroll_event event_data; | |
| 636 | |
| 637 if (!instance || widget->core.being_destroyed) | |
| 638 return; | |
| 639 | |
| 640 id = instance->info->id; | |
| 641 event_data.slider_value = (int) call_data; | |
| 642 event_data.time = 0; | |
| 643 | |
| 644 if ((int) call_data > 0) | |
| 645 /* event_data.action = SCROLLBAR_PAGE_DOWN;*/ | |
| 646 event_data.action = SCROLLBAR_LINE_DOWN; | |
| 647 else | |
| 648 /* event_data.action = SCROLLBAR_PAGE_UP;*/ | |
| 649 event_data.action = SCROLLBAR_LINE_UP; | |
| 650 | |
| 651 if (instance->info->pre_activate_cb) | |
| 652 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data); | |
| 653 } | |
| 654 | |
| 655 static void | |
| 656 xaw_scrollbar_jump (Widget widget, XtPointer closure, XtPointer call_data) | |
| 657 { | |
| 658 widget_instance *instance = (widget_instance *) closure; | |
| 659 LWLIB_ID id; | |
| 660 scroll_event event_data; | |
| 661 scrollbar_values *val = | |
| 662 (scrollbar_values *) instance->info->val->scrollbar_data; | |
| 663 float percent; | |
| 664 | |
| 665 if (!instance || widget->core.being_destroyed) | |
| 666 return; | |
| 667 | |
| 668 id = instance->info->id; | |
| 669 | |
| 670 percent = * (float *) call_data; | |
| 671 event_data.slider_value = | |
| 672 (int) (percent * (float) (val->maximum - val->minimum)) + val->minimum; | |
| 673 | |
| 674 event_data.time = 0; | |
| 675 event_data.action = SCROLLBAR_DRAG; | |
| 676 | |
| 677 if (instance->info->pre_activate_cb) | |
| 678 instance->info->pre_activate_cb (widget, id, (XtPointer) &event_data); | |
| 679 } | |
| 680 | |
| 681 static Widget | |
| 682 xaw_create_scrollbar (widget_instance *instance, int vertical) | |
| 683 { | |
| 684 Arg av[10]; | |
| 685 int ac = 0; | |
| 686 | |
| 687 static XtCallbackRec jumpCallbacks[2] = | |
| 688 { {xaw_scrollbar_jump, NULL}, {NULL, NULL} }; | |
| 689 | |
| 690 static XtCallbackRec scrollCallbacks[2] = | |
| 691 { {xaw_scrollbar_scroll, NULL}, {NULL, NULL} }; | |
| 692 | |
| 693 jumpCallbacks[0].closure = scrollCallbacks[0].closure = (XtPointer) instance; | |
| 694 | |
| 695 /* #### This is tacked onto the with and height and completely | |
| 696 screws our geometry management. We should probably make the | |
| 697 top-level aware of this so that people could have a border but so | |
| 698 few people use the Athena scrollbar now that it really isn't | |
| 699 worth the effort, at least not at the moment. */ | |
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700 XtSetArg (av [ac], XtNborderWidth, 0); ac++; |
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701 XtSetArg (av [ac], XtNorientation, |
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702 vertical ? XtorientVertical : XtorientHorizontal); ac++; |
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703 XtSetArg (av [ac], "jumpProc", jumpCallbacks); ac++; |
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704 XtSetArg (av [ac], "scrollProc", scrollCallbacks); ac++; |
| 428 | 705 |
| 706 return XtCreateWidget (instance->info->name, scrollbarWidgetClass, | |
| 707 instance->parent, av, ac); | |
| 708 } | |
| 709 | |
| 710 static Widget | |
| 711 xaw_create_vertical_scrollbar (widget_instance *instance) | |
| 712 { | |
| 713 return xaw_create_scrollbar (instance, 1); | |
| 714 } | |
| 715 | |
| 716 static Widget | |
| 717 xaw_create_horizontal_scrollbar (widget_instance *instance) | |
| 718 { | |
| 719 return xaw_create_scrollbar (instance, 0); | |
| 720 } | |
| 721 #endif /* LWLIB_SCROLLBARS_ATHENA */ | |
| 722 | |
| 723 #ifdef LWLIB_WIDGETS_ATHENA | |
| 724 /* glyph widgets */ | |
| 725 static Widget | |
| 726 xaw_create_button (widget_instance *instance) | |
| 727 { | |
| 728 Arg al[20]; | |
| 729 int ac = 0; | |
| 730 Widget button = 0; | |
| 731 widget_value* val = instance->info->val; | |
| 732 | |
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733 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++; |
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734 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++; |
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735 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++; |
| 428 | 736 /* The highlight doesn't appear to be dynamically set which makes it |
| 737 look ugly. I think this may be a LessTif bug but for now we just | |
| 738 get rid of it. */ | |
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739 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++; |
| 428 | 740 |
| 741 /* add any args the user supplied for creation time */ | |
| 742 lw_add_value_args_to_args (val, al, &ac); | |
| 743 | |
| 744 if (!val->call_data) | |
| 3094 | 745 button = XtCreateWidget (val->name, labelWidgetClass, |
| 428 | 746 instance->parent, al, ac); |
| 747 | |
| 748 else | |
| 749 { | |
| 750 if (val->type == TOGGLE_TYPE || val->type == RADIO_TYPE) | |
| 751 { | |
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752 XtSetArg (al [ac], XtNstate, val->selected); ac++; |
| 3094 | 753 button = XtCreateWidget |
| 428 | 754 (val->name, |
| 755 val->type == TOGGLE_TYPE ? checkboxWidgetClass : radioWidgetClass, | |
| 756 instance->parent, al, ac); | |
| 757 } | |
| 758 else | |
| 759 { | |
| 3094 | 760 button = XtCreateWidget (val->name, commandWidgetClass, |
| 428 | 761 instance->parent, al, ac); |
| 762 } | |
| 763 XtRemoveAllCallbacks (button, XtNcallback); | |
| 764 XtAddCallback (button, XtNcallback, xaw_generic_callback, (XtPointer)instance); | |
| 765 } | |
| 766 | |
| 3094 | 767 /* #### this maybe can be folded into the XtCreateWidget calls above */ |
| 428 | 768 XtManageChild (button); |
| 769 | |
| 770 return button; | |
| 771 } | |
| 772 | |
| 773 static Widget | |
| 774 xaw_create_label_field (widget_instance *instance) | |
| 775 { | |
| 776 return xaw_create_label (instance->parent, instance->info->val); | |
| 777 } | |
| 778 | |
| 779 Widget | |
| 780 xaw_create_label (Widget parent, widget_value* val) | |
| 781 { | |
| 782 Arg al[20]; | |
| 783 int ac = 0; | |
| 784 Widget label = 0; | |
| 785 | |
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786 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++; |
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787 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++; |
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788 XtSetArg (al [ac], XtNjustify, XtJustifyCenter); ac++; |
| 428 | 789 |
| 790 /* add any args the user supplied for creation time */ | |
| 791 lw_add_value_args_to_args (val, al, &ac); | |
| 792 | |
| 793 label = XtCreateManagedWidget (val->name, labelWidgetClass, | |
| 794 parent, al, ac); | |
| 795 | |
| 3094 | 796 /* Do it again for arguments that have no effect until the widget is realized. |
| 797 #### Uh, but the widget isn't realized until later? Do we mean "created"? */ | |
| 428 | 798 ac = 0; |
| 799 lw_add_value_args_to_args (val, al, &ac); | |
| 442 | 800 if (ac > 20) |
| 801 abort (); /* #### need assert macro in lwlib */ | |
| 428 | 802 XtSetValues (label, al, ac); |
| 803 | |
| 804 return label; | |
| 805 } | |
| 806 | |
| 3094 | 807 static int debug_gauge = 0; |
| 808 | |
| 809 static void | |
| 810 lw_debug_print_xt_arglist (ArgList al, int ac) | |
| 811 { | |
| 812 int i; | |
| 813 for (i = 0; i < ac; i++) | |
| 814 fprintf (stderr, "Widget has arg %s with value %lu.\n", | |
| 815 al[i].name, (unsigned long) al[i].value); | |
| 816 } | |
| 817 | |
| 818 static void | |
| 819 lw_debug_print_class_resources (WidgetClass class_) | |
| 820 { | |
| 821 Cardinal i; | |
| 822 do { | |
| 823 Cardinal m, n = class_->core_class.num_resources; | |
| 824 XtResourceList rl; | |
| 825 fprintf (stderr, "Class is %s (%p/%p) with %d resources.\n", | |
| 826 class_->core_class.class_name, class_, &(class_->core_class), n); | |
| 827 fprintf (stderr, " Class's resources are at %p. Converting...\n", | |
| 828 class_->core_class.resources); | |
| 829 /* resources may be compiled to an internal format */ | |
| 830 XtGetResourceList (class_, &rl, &m); | |
| 831 for (i = 0; i < m; i++) | |
| 832 fprintf (stderr, | |
| 833 " Class has a %s resource of type %s initialized from %s.\n", | |
| 834 rl[i].resource_class, rl[i].resource_type, rl[i].default_type); | |
| 835 /* special cases for commonly problematic resources */ | |
| 836 for (i = 0; i < m; i++) | |
| 837 { | |
| 838 if (!strcmp (rl[i].resource_class, "Font")) | |
| 839 { | |
| 840 fprintf (stderr, " Class has a Font resource.\n"); | |
| 841 fprintf (stderr, " Font resource is %s.\n", | |
| 842 (char *) rl[i].default_addr); | |
| 843 } | |
| 844 if (!strcmp (rl[i].resource_class, "FontSet")) | |
| 845 { | |
| 846 fprintf (stderr, " Class has a FontSet resource.\n"); | |
| 847 fprintf (stderr, " FontSet resource is %s.\n", | |
| 848 (char *) rl[i].default_addr); | |
| 849 } | |
| 850 if (!strcmp (rl[i].resource_class, "International")) | |
| 851 { | |
| 852 fprintf (stderr, " Class has an International resource.\n"); | |
| 3374 | 853 fprintf (stderr, " International resource is %p.\n", |
| 854 rl[i].default_addr); | |
| 3094 | 855 } |
| 856 } | |
| 857 class_ = class_->core_class.superclass; | |
| 858 } while (class_ != NULL); | |
| 859 } | |
| 860 | |
| 428 | 861 static Widget |
| 862 xaw_create_progress (widget_instance *instance) | |
| 863 { | |
| 864 Arg al[20]; | |
| 865 int ac = 0; | |
| 866 Widget scale = 0; | |
| 867 widget_value* val = instance->info->val; | |
| 442 | 868 #if 0 /* This looks too awful, although more correct. */ |
| 428 | 869 if (!val->call_data) |
| 870 { | |
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871 XtSetArg (al [ac], XtNsensitive, False); ac++; |
| 428 | 872 } |
| 873 else | |
| 874 { | |
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875 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++; |
| 428 | 876 } |
| 442 | 877 #else |
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878 XtSetArg (al [ac], XtNsensitive, True); ac++; |
| 442 | 879 #endif |
| 880 | |
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881 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++; |
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882 XtSetArg (al [ac], XtNorientation, XtorientHorizontal); ac++; |
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883 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0);ac++; |
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884 XtSetArg (al [ac], XtNntics, (Cardinal)10);ac++; |
| 428 | 885 |
| 886 /* add any args the user supplied for creation time */ | |
| 887 lw_add_value_args_to_args (val, al, &ac); | |
| 888 | |
| 3094 | 889 if (debug_gauge > 1) |
| 890 lw_debug_print_class_resources (gaugeWidgetClass); | |
| 891 if (debug_gauge > 0) | |
| 892 lw_debug_print_xt_arglist (al, ac); | |
| 893 | |
| 894 scale = XtCreateWidget (val->name, gaugeWidgetClass, | |
| 895 instance->parent, al, ac); | |
| 896 | |
| 428 | 897 /* add the callback */ |
| 898 if (val->call_data) | |
| 3094 | 899 XtAddCallback (scale, XtNgetValue, xaw_generic_callback, |
| 900 (XtPointer) instance); | |
| 428 | 901 |
| 3094 | 902 /* #### this maybe can be folded into the XtCreateWidget call above */ |
| 428 | 903 XtManageChild (scale); |
| 904 | |
| 905 return scale; | |
| 906 } | |
| 907 | |
| 460 | 908 #if defined(LWLIB_WIDGETS_ATHENA) |
| 442 | 909 #define TEXT_BUFFER_SIZE 128 |
| 428 | 910 static Widget |
| 911 xaw_create_text_field (widget_instance *instance) | |
| 912 { | |
| 913 Arg al[20]; | |
| 914 int ac = 0; | |
| 915 Widget text = 0; | |
| 916 widget_value* val = instance->info->val; | |
| 917 | |
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918 XtSetArg (al [ac], XtNsensitive, val->enabled); ac++; |
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919 XtSetArg (al [ac], XtNmappedWhenManaged, FALSE); ac++; |
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920 XtSetArg (al [ac], XtNhighlightThickness, (Dimension)0); ac++; |
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921 XtSetArg (al [ac], XtNtype, XawAsciiString); ac++; |
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922 XtSetArg (al [ac], XtNeditType, XawtextEdit); ac++; |
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923 XtSetArg (al [ac], XtNuseStringInPlace, False); ac++; |
| 442 | 924 #if 0 |
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925 XtSetArg (al [ac], XtNlength, TEXT_BUFFER_SIZE); ac++; |
| 442 | 926 #endif |
| 927 if (val->value) | |
| 928 { | |
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929 XtSetArg (al [ac], XtNstring, val->value); ac++; |
| 442 | 930 } |
| 428 | 931 |
| 932 /* add any args the user supplied for creation time */ | |
| 933 lw_add_value_args_to_args (val, al, &ac); | |
| 934 | |
| 3094 | 935 text = XtCreateWidget (val->name, asciiTextWidgetClass, |
| 428 | 936 instance->parent, al, ac); |
| 442 | 937 |
| 938 /* add the callback */ | |
| 939 if (val->call_data) | |
| 940 XtAddCallback (text, XtNgetValue, xaw_generic_callback, (XtPointer)instance); | |
| 941 | |
| 428 | 942 XtManageChild (text); |
| 943 | |
| 944 return text; | |
| 945 } | |
| 946 #endif | |
| 442 | 947 |
| 428 | 948 #endif /* LWLIB_WIDGETS_ATHENA */ |
| 949 | |
| 450 | 950 const widget_creation_entry |
| 428 | 951 xaw_creation_table [] = |
| 952 { | |
| 953 #ifdef LWLIB_SCROLLBARS_ATHENA | |
| 954 {"vertical-scrollbar", xaw_create_vertical_scrollbar }, | |
| 955 {"horizontal-scrollbar", xaw_create_horizontal_scrollbar }, | |
| 956 #endif | |
| 957 #ifdef LWLIB_WIDGETS_ATHENA | |
| 958 {"button", xaw_create_button }, | |
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959 { "label", xaw_create_label_field }, |
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960 {"text-field", xaw_create_text_field }, |
| 428 | 961 {"progress", xaw_create_progress }, |
| 962 #endif | |
| 963 {NULL, NULL} | |
| 964 }; | |
| 965 |