Mercurial > hg > xemacs-beta
annotate src/dialog-x.c @ 5008:cad59a0a3b19
Add license information from Marcus Thiessel.
See xemacs-beta message <20100208091453.25900@gmx.net>.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Tue, 09 Feb 2010 09:50:49 -0700 |
| parents | 3c3c1d139863 |
| children | ae48681c47fa |
| rev | line source |
|---|---|
| 428 | 1 /* Implements elisp-programmable dialog boxes -- X interface. |
| 2 Copyright (C) 1993, 1994 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Tinker Systems and INS Engineering Corp. | |
| 1346 | 4 Copyright (C) 2000, 2002, 2003 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 442 | 25 /* This file Mule-ized by Ben Wing, 7-8-00. */ |
| 26 | |
| 428 | 27 #include <config.h> |
| 28 #include "lisp.h" | |
| 29 | |
| 30 #include "buffer.h" | |
| 31 #include "commands.h" /* zmacs_regions */ | |
| 32 #include "events.h" | |
| 872 | 33 #include "frame-impl.h" |
| 428 | 34 #include "gui.h" |
| 35 #include "opaque.h" | |
| 36 #include "window.h" | |
| 37 | |
| 872 | 38 #include "console-x-impl.h" |
| 39 | |
| 40 #include "EmacsFrame.h" | |
| 428 | 41 |
| 42 static void | |
| 43 maybe_run_dbox_text_callback (LWLIB_ID id) | |
| 44 { | |
| 45 widget_value *wv; | |
| 46 int got_some; | |
| 47 wv = xmalloc_widget_value (); | |
| 436 | 48 wv->name = xstrdup ("value"); |
| 428 | 49 got_some = lw_get_some_values (id, wv); |
| 50 if (got_some) | |
| 51 { | |
| 52 Lisp_Object text_field_callback; | |
| 442 | 53 Extbyte *text_field_value = wv->value; |
| 826 | 54 text_field_callback = VOID_TO_LISP (wv->call_data); |
| 442 | 55 text_field_callback = XCAR (XCDR (text_field_callback)); |
| 428 | 56 if (text_field_value) |
| 57 { | |
| 442 | 58 void *tmp = |
| 59 LISP_TO_VOID (cons3 (Qnil, | |
| 60 list2 (text_field_callback, | |
|
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61 build_extstring (text_field_value, |
| 442 | 62 Qlwlib_encoding)), |
| 63 Qnil)); | |
| 428 | 64 popup_selection_callback (0, id, (XtPointer) tmp); |
| 65 } | |
| 66 } | |
| 436 | 67 /* This code tried to optimize, newing/freeing. This is generally |
| 442 | 68 unsafe so we will always strdup and always use |
| 436 | 69 free_widget_value_tree. */ |
| 70 free_widget_value_tree (wv); | |
| 428 | 71 } |
| 72 | |
| 73 static void | |
| 74 dbox_selection_callback (Widget widget, LWLIB_ID id, XtPointer client_data) | |
| 75 { | |
| 76 /* This is called with client_data == -1 when WM_DELETE_WINDOW is sent | |
| 77 instead of a button being selected. */ | |
| 78 struct device *d = get_device_from_display (XtDisplay (widget)); | |
| 79 struct frame *f = 0; | |
| 80 Widget cur_widget = widget; | |
| 81 | |
| 82 /* The parent which is actually connected to our EmacsFrame may be a | |
| 83 ways up the tree. */ | |
| 84 while (!f && cur_widget) | |
| 85 { | |
| 86 f = x_any_window_to_frame (d, XtWindow (cur_widget)); | |
| 87 cur_widget = XtParent (cur_widget); | |
| 88 } | |
| 89 | |
| 90 if (popup_handled_p (id)) | |
| 91 return; | |
| 92 assert (popup_up_p != 0); | |
| 93 ungcpro_popup_callbacks (id); | |
| 94 popup_up_p--; | |
| 95 maybe_run_dbox_text_callback (id); | |
| 96 popup_selection_callback (widget, id, client_data); | |
| 442 | 97 /* #### need to error-protect! will do so when i merge in |
| 98 my working ws */ | |
| 99 va_run_hook_with_args (Qdelete_dialog_box_hook, 1, make_int (id)); | |
| 428 | 100 lw_destroy_all_widgets (id); |
| 101 | |
| 102 /* The Motif dialog box sets the keyboard focus to itself. When it | |
| 103 goes away we have to take care of getting the focus back | |
| 104 ourselves. */ | |
| 105 #ifdef EXTERNAL_WIDGET | |
| 106 /* #### Not sure if this special case is necessary. */ | |
| 3466 | 107 if (f && !FRAME_X_EXTERNAL_WINDOW_P (f)) |
| 428 | 108 #else |
| 109 if (f) | |
| 110 #endif | |
| 111 lw_set_keyboard_focus (FRAME_X_SHELL_WIDGET (f), FRAME_X_TEXT_WIDGET (f)); | |
| 112 } | |
| 113 | |
| 442 | 114 static const Extbyte * const button_names [] = { |
| 428 | 115 "button1", "button2", "button3", "button4", "button5", |
| 116 "button6", "button7", "button8", "button9", "button10" }; | |
| 117 | |
| 118 static widget_value * | |
| 442 | 119 dbox_descriptor_to_widget_value (Lisp_Object keys) |
| 428 | 120 { |
| 121 /* This function can GC */ | |
| 122 int lbuttons = 0, rbuttons = 0; | |
| 123 int partition_seen = 0; | |
| 124 int text_field_p = 0; | |
| 125 int allow_text_p = 1; | |
| 126 widget_value *prev = 0, *kids = 0; | |
| 127 int n = 0; | |
| 853 | 128 int count; |
| 428 | 129 Lisp_Object wv_closure, gui_item; |
| 444 | 130 Lisp_Object question = Qnil; |
| 131 Lisp_Object buttons = Qnil; | |
| 2286 | 132 /* Lisp_Object title = Qnil; #### currently unused */ |
| 428 | 133 |
| 442 | 134 { |
| 135 EXTERNAL_PROPERTY_LIST_LOOP_3 (key, value, keys) | |
| 136 { | |
| 137 if (EQ (key, Q_question)) | |
| 138 { | |
| 139 CHECK_STRING (value); | |
| 140 question = value; | |
| 141 } | |
| 142 else if (EQ (key, Q_title)) | |
| 143 { | |
| 144 CHECK_STRING (value); | |
| 2286 | 145 /* title = value; */ |
| 442 | 146 } |
| 147 else if (EQ (key, Q_buttons)) | |
| 148 { | |
| 149 CHECK_LIST (value); | |
| 150 buttons = value; | |
| 151 } | |
| 152 else | |
| 563 | 153 invalid_constant ("Unrecognized question-dialog keyword", key); |
| 442 | 154 } |
| 155 } | |
| 156 | |
| 157 if (NILP (question)) | |
| 563 | 158 sferror ("Dialog descriptor provides no question", keys); |
| 428 | 159 |
| 160 /* Inhibit GC during this conversion. The reasons for this are | |
| 161 the same as in menu_item_descriptor_to_widget_value(); see | |
| 162 the large comment above that function. */ | |
| 163 | |
| 853 | 164 count = begin_gc_forbidden (); |
| 428 | 165 |
| 166 kids = prev = xmalloc_widget_value (); | |
| 167 | |
| 168 /* Also make sure that we free the partially-created widget_value | |
| 169 tree on Lisp error. */ | |
| 170 | |
| 171 wv_closure = make_opaque_ptr (kids); | |
| 172 record_unwind_protect (widget_value_unwind, wv_closure); | |
| 436 | 173 prev->name = xstrdup ("message"); |
|
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174 prev->value = LISP_STRING_TO_EXTERNAL_MALLOC (question, Qlwlib_encoding); |
| 428 | 175 prev->enabled = 1; |
| 176 | |
| 442 | 177 { |
| 178 EXTERNAL_LIST_LOOP_2 (button, buttons) | |
| 179 { | |
| 180 widget_value *wv; | |
| 428 | 181 |
| 442 | 182 if (NILP (button)) |
| 183 { | |
| 184 if (partition_seen) | |
| 563 | 185 sferror ("More than one partition (nil) seen in dbox spec", |
| 442 | 186 keys); |
| 187 partition_seen = 1; | |
| 188 continue; | |
| 189 } | |
| 190 CHECK_VECTOR (button); | |
| 191 wv = xmalloc_widget_value (); | |
| 428 | 192 |
| 442 | 193 gui_item = gui_parse_item_keywords (button); |
| 194 if (!button_item_to_widget_value (Qdialog, | |
| 195 gui_item, wv, allow_text_p, 1, 0, 1)) | |
| 196 { | |
| 197 free_widget_value_tree (wv); | |
| 198 continue; | |
| 199 } | |
| 428 | 200 |
| 442 | 201 if (wv->type == TEXT_TYPE) |
| 202 { | |
| 203 text_field_p = 1; | |
| 204 allow_text_p = 0; /* only allow one */ | |
| 205 } | |
| 206 else /* it's a button */ | |
| 207 { | |
| 208 allow_text_p = 0; /* only allow text field at the front */ | |
| 209 if (wv->value) | |
|
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Rename xfree(FOO, TYPE) -> xfree(FOO)
Ben Wing <ben@xemacs.org>
parents:
4953
diff
changeset
|
210 xfree (wv->value); |
| 442 | 211 wv->value = wv->name; /* what a mess... */ |
| 212 wv->name = xstrdup (button_names [n]); | |
| 428 | 213 |
| 442 | 214 if (partition_seen) |
| 215 rbuttons++; | |
| 216 else | |
| 217 lbuttons++; | |
| 218 n++; | |
| 428 | 219 |
| 442 | 220 if (lbuttons > 9 || rbuttons > 9) |
| 563 | 221 sferror ("Too many buttons (9)", |
| 442 | 222 keys); /* #### this leaks */ |
| 223 } | |
| 428 | 224 |
| 442 | 225 prev->next = wv; |
| 226 prev = wv; | |
| 227 } | |
| 228 } | |
| 428 | 229 |
| 230 if (n == 0) | |
| 563 | 231 sferror ("Dialog boxes must have some buttons", keys); |
| 442 | 232 |
| 428 | 233 { |
| 442 | 234 Extbyte type = (text_field_p ? 'P' : 'Q'); |
| 235 static Extbyte tmp_dbox_name [255]; | |
| 236 | |
| 428 | 237 widget_value *dbox; |
| 238 sprintf (tmp_dbox_name, "%c%dBR%d", type, lbuttons + rbuttons, rbuttons); | |
| 239 dbox = xmalloc_widget_value (); | |
| 436 | 240 dbox->name = xstrdup (tmp_dbox_name); |
| 428 | 241 dbox->contents = kids; |
| 242 | |
| 243 /* No more need to free the half-filled-in structures. */ | |
| 244 set_opaque_ptr (wv_closure, 0); | |
| 771 | 245 unbind_to (count); |
| 428 | 246 return dbox; |
| 247 } | |
| 248 } | |
| 249 | |
| 442 | 250 static Lisp_Object |
| 251 x_make_dialog_box_internal (struct frame* f, Lisp_Object type, | |
| 252 Lisp_Object keys) | |
| 428 | 253 { |
| 254 int dbox_id; | |
| 255 widget_value *data; | |
| 2286 | 256 Widget parent; |
| 428 | 257 |
| 442 | 258 if (!EQ (type, Qquestion)) |
| 563 | 259 signal_error (Qunimplemented, "Dialog box type", type); |
| 442 | 260 |
| 261 data = dbox_descriptor_to_widget_value (keys); | |
| 428 | 262 |
| 263 parent = FRAME_X_SHELL_WIDGET (f); | |
| 264 | |
| 265 dbox_id = new_lwlib_id (); | |
| 2286 | 266 (void) lw_create_widget (data->name, "dialog", dbox_id, data, parent, 1, 0, |
| 428 | 267 dbox_selection_callback, 0); |
| 268 lw_modify_all_widgets (dbox_id, data, True); | |
| 269 lw_modify_all_widgets (dbox_id, data->contents, True); | |
| 270 free_popup_widget_value_tree (data); | |
| 271 | |
| 272 gcpro_popup_callbacks (dbox_id); | |
| 273 | |
| 274 /* Setting zmacs-region-stays is necessary here because executing a | |
| 275 command from a dialog is really a two-command process: the first | |
| 276 command (bound to the button-click) simply pops up the dialog, | |
| 277 and returns. This causes a sequence of magic-events (destined | |
| 278 for the dialog widget) to begin. Eventually, a dialog item is | |
| 279 selected, and a misc-user-event blip is pushed onto the end of | |
| 280 the input stream, which is then executed by the event loop. | |
| 281 | |
| 282 So there are two command-events, with a bunch of magic-events | |
| 283 between them. We don't want the *first* command event to alter | |
| 284 the state of the region, so that the region can be available as | |
| 285 an argument for the second command. */ | |
| 286 if (zmacs_regions) | |
| 287 zmacs_region_stays = 1; | |
| 288 | |
| 289 popup_up_p++; | |
| 290 lw_pop_up_all_widgets (dbox_id); | |
| 442 | 291 |
| 292 /* #### this could (theoretically) cause problems if we are up for | |
| 293 a REALLY REALLY long time -- too big to fit into lisp integer. */ | |
| 294 return make_int (dbox_id); | |
| 428 | 295 } |
| 296 | |
| 297 void | |
| 298 syms_of_dialog_x (void) | |
| 299 { | |
| 300 } | |
| 301 | |
| 302 void | |
| 303 console_type_create_dialog_x (void) | |
| 304 { | |
| 442 | 305 CONSOLE_HAS_METHOD (x, make_dialog_box_internal); |
| 428 | 306 } |
| 307 | |
| 308 void | |
| 309 vars_of_dialog_x (void) | |
| 310 { | |
| 311 #if defined (LWLIB_DIALOGS_LUCID) | |
| 312 Fprovide (intern ("lucid-dialogs")); | |
| 313 #elif defined (LWLIB_DIALOGS_MOTIF) | |
| 314 Fprovide (intern ("motif-dialogs")); | |
| 315 #elif defined (LWLIB_DIALOGS_ATHENA) | |
| 316 Fprovide (intern ("athena-dialogs")); | |
| 317 #endif | |
| 318 } |