1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1999-2001 The LyX Team.
8 * ======================================================*/
15 #pragma implementation
18 #include "Menubar_pimpl.h"
19 #include "MenuBackend.h"
20 #include "LyXAction.h"
24 #include "XFormsView.h"
26 #include "FloatList.h"
27 #include "support/lstrings.h"
28 #include "support/LAssert.h"
37 typedef vector<int>::size_type size_type;
39 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
40 extern LyXAction lyxaction;
45 int const MENU_LABEL_SIZE = FL_NORMAL_SIZE;
46 int const mheight = 30;
47 int const mbheight= 22;
48 // where to place the menubar?
49 int const yloc = (mheight - mbheight)/2; //air + bw;
50 int const mbadd = 20; // menu button add (to width)
51 // Some space between buttons on the menubar
53 char const * menu_tabstop = "aa";
54 char const * default_tabstop = "aaaaaaaa";
55 // We do not want to mix position values in a menu (like the index of
56 // a submenu) with the action numbers which convey actual information.
57 // Therefore we offset all the action values by an arbitrary large
59 int const action_offset = 1000;
61 // This is used a few times below.
63 int string_width(string const & str)
65 return fl_get_string_widthTAB(FL_NORMAL_STYLE, MENU_LABEL_SIZE,
67 static_cast<int>(str.length()));
75 //Defined later, used in makeMenubar().
77 void C_Menubar_Pimpl_MenuCallback(FL_OBJECT * ob, long button)
79 Menubar::Pimpl::MenuCallback(ob, button);
85 Menubar::Pimpl::Pimpl(LyXView * view, MenuBackend const & mb)
86 : owner_(view), menubackend_(&mb), current_group_(0)
88 for (MenuBackend::const_iterator menu = menubackend_->begin();
89 menu != menubackend_->end() ; ++menu) {
90 if (menu->menubar()) {
91 FL_OBJECT * group = fl_bgn_group();
94 fl_hide_object(group);
96 << "Menubar::Pimpl::Pimpl: "
97 << "creating and hiding group " << group
98 << " for menubar " << menu->name() << endl;
99 menubarmap_[menu->name()] = group;
105 void Menubar::Pimpl::makeMenubar(Menu const & menu)
107 FL_FORM * form = static_cast<XFormsView *>(owner_)->getForm();
110 // Create menu frame if there is non yet.
111 FL_OBJECT * frame = fl_add_frame(FL_UP_FRAME, 0, 0,
112 form->w, mheight, "");
113 fl_set_object_resize(frame, FL_RESIZE_ALL);
114 fl_set_object_gravity(frame, NorthWestGravity,
117 Menu::const_iterator i = menu.begin();
118 Menu::const_iterator end = menu.end();
119 for (; i != end; ++i) {
121 if (i->kind() != MenuItem::Submenu) {
122 lyxerr << "ERROR: Menubar::Pimpl::createMenubar:"
123 " only submenus can appear in a menubar";
126 string const label = i->label();
127 string const shortcut = "#" + i->shortcut();
128 int const width = string_width(label);
129 obj = fl_add_button(FL_MENU_BUTTON,
134 fl_set_object_boxtype(obj, FL_FLAT_BOX);
135 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
136 fl_set_object_lsize(obj, MENU_LABEL_SIZE);
137 fl_set_object_lstyle(obj, FL_NORMAL_STYLE);
138 fl_set_object_resize(obj, FL_RESIZE_ALL);
139 fl_set_object_gravity(obj, NorthWestGravity,
141 moffset += obj->w + air;
142 fl_set_object_shortcut(obj, shortcut.c_str(), 1);
143 fl_set_object_callback(obj, C_Menubar_Pimpl_MenuCallback, 1);
145 boost::shared_ptr<ItemInfo>
146 iteminfo(new ItemInfo(this, new MenuItem(*i), obj));
147 buttonlist_.push_back(iteminfo);
148 obj->u_vdata = iteminfo.get();
154 void Menubar::Pimpl::set(string const & menu_name)
156 lyxerr[Debug::GUI] << "Entering Menubar::Pimpl::set "
157 << "for menu `" << menu_name << "'" << endl;
159 if (menu_name != current_menu_name_) {
160 MenubarMap::iterator mbit = menubarmap_.find(menu_name);
162 if (mbit == menubarmap_.end()) {
163 lyxerr << "ERROR:set: Unknown menu `" << menu_name
168 if (current_group_) {
169 lyxerr[Debug::GUI] << " hiding group "
170 << current_group_ << endl;
171 fl_hide_object(current_group_);
174 lyxerr[Debug::GUI] << " showing group "
175 << mbit->second << endl;
176 fl_show_object(mbit->second);
177 current_menu_name_ = menu_name;
178 current_group_ = mbit->second;
179 lyxerr[Debug::GUI] << "Menubar::Pimpl::set: Menubar set."
182 lyxerr [Debug::GUI] << "Menubar::Pimpl::set: Nothing to do."
187 void Menubar::Pimpl::openByName(string const & name)
189 if (menubackend_->getMenu(current_menu_name_).hasSubmenu(name)) {
190 for (ButtonList::const_iterator cit = buttonlist_.begin();
191 cit != buttonlist_.end(); ++cit) {
192 if ((*cit)->item_->submenu() == name) {
193 MenuCallback((*cit)->obj_, 1);
198 lyxerr << "Menubar::Pimpl::openByName: menu "
199 << name << " not found" << endl;
206 string const limit_string_length(string const & str)
208 string::size_type const max_item_length = 45;
210 if (str.size() > max_item_length)
211 return str.substr(0, max_item_length - 3) + "...";
217 int get_new_submenu(vector<int> & smn, Window win)
219 static size_type max_number_of_menus = 32;
220 if (smn.size() >= max_number_of_menus)
221 max_number_of_menus =
222 fl_setpup_maxpup(static_cast<int>(2*smn.size()));
223 int menu = fl_newpup(win);
229 size_type const max_number_of_items = 25;
232 string const fixlabel(string const & str)
235 return subst(str, '%', '?');
237 return subst(str, "%", "%%");
243 void add_toc2(int menu, string const & extra_label,
244 vector<int> & smn, Window win,
245 vector<Buffer::TocItem> const & toc_list,
246 size_type from, size_type to, int depth)
248 int shortcut_count = 0;
249 if (to - from <= max_number_of_items) {
250 for (size_type i = from; i < to; ++i) {
251 int const action = lyxaction.
252 getPseudoAction(LFUN_GOTO_PARAGRAPH,
253 tostr(toc_list[i].par->id()));
254 string label(4 * max(0, toc_list[i].depth - depth),' ');
255 label += fixlabel(toc_list[i].str);
256 label = limit_string_length(label);
257 label += "%x" + tostr(action + action_offset);
258 if (i == to - 1 && depth == 0)
259 label += extra_label;
260 if (toc_list[i].depth == depth
261 && ++shortcut_count <= 9) {
263 fl_addtopup(menu, label.c_str(),
264 tostr(shortcut_count).c_str());
266 fl_addtopup(menu, label.c_str());
269 size_type pos = from;
273 if (count > max_number_of_items) {
274 int menu2 = get_new_submenu(smn, win);
275 add_toc2(menu2, extra_label, smn, win,
276 toc_list, pos, to, depth);
277 string label = _("More");
280 label += extra_label;
281 fl_addtopup(menu, label.c_str(), menu2);
284 size_type new_pos = pos+1;
285 while (new_pos < to &&
286 toc_list[new_pos].depth > depth)
289 int const action = lyxaction.
290 getPseudoAction(LFUN_GOTO_PARAGRAPH,
291 tostr(toc_list[pos].par->id()));
292 string label(4 * max(0, toc_list[pos].depth - depth), ' ');
293 label += fixlabel(toc_list[pos].str);
294 label = limit_string_length(label);
295 if (new_pos == to && depth == 0)
296 label += extra_label;
298 if (toc_list[pos].depth == depth &&
299 ++shortcut_count <= 9)
300 shortcut = tostr(shortcut_count);
302 if (new_pos == pos + 1) {
303 label += "%x" + tostr(action + action_offset);
304 if (!shortcut.empty()) {
306 fl_addtopup(menu, label.c_str(),
309 fl_addtopup(menu, label.c_str());
311 int menu2 = get_new_submenu(smn, win);
312 add_toc2(menu2, extra_label, smn, win,
313 toc_list, pos, new_pos, depth+1);
315 if (!shortcut.empty()) {
317 fl_addtopup(menu, label.c_str(), menu2,
320 fl_addtopup(menu, label.c_str(), menu2);
329 void Menubar::Pimpl::add_toc(int menu, string const & extra_label,
330 vector<int> & smn, Window win)
332 Buffer::Lists toc_list = owner_->buffer()->getLists();
333 Buffer::Lists::const_iterator cit = toc_list.begin();
334 Buffer::Lists::const_iterator end = toc_list.end();
335 for (; cit != end; ++cit) {
336 // Handle this elsewhere
337 if (cit->first == "TOC") continue;
339 // All the rest is for floats
340 int menu2 = get_new_submenu(smn, win);
341 Buffer::SingleList::const_iterator ccit = cit->second.begin();
342 Buffer::SingleList::const_iterator eend = cit->second.end();
343 for (; ccit != eend; ++ccit) {
346 .getPseudoAction(LFUN_GOTO_PARAGRAPH,
347 tostr(ccit->par->id()));
348 string label = fixlabel(ccit->str);
349 label = limit_string_length(label);
350 label += "%x" + tostr(action + action_offset);
351 fl_addtopup(menu2, label.c_str());
353 string const m = floatList[cit->first]->second.name() + "%m";
354 fl_addtopup(menu, m.c_str(), menu2);
359 cit = toc_list.find("TOC");
361 string const tmp = _("No Table of contents%i") + extra_label;
362 fl_addtopup(menu, tmp.c_str());
365 add_toc2(menu, extra_label, smn, win,
366 cit->second, 0, cit->second.size(), 0);
371 int Menubar::Pimpl::create_submenu(Window win, LyXView * view,
372 string const & menu_name,
375 if (!menubackend_->hasMenu(menu_name)){
376 lyxerr << "ERROR:create_submenu: Unknown menu `"
377 << menu_name << "'" << endl;
381 menubackend_->getMenu(menu_name).expand(md, owner_->buffer());
383 int const menu = get_new_submenu(smn, win);
384 fl_setpup_softedge(menu, true);
385 fl_setpup_bw(menu, -1);
386 lyxerr[Debug::GUI] << "Adding menu " << menu
387 << " in deletion list" << endl;
389 // Compute the size of the largest label (because xforms is
390 // not able to support shortcuts correctly...)
393 Menu::const_iterator end = md.end();
394 for (Menu::const_iterator i = md.begin(); i != end; ++i) {
395 MenuItem const & item = (*i);
396 if (item.kind() == MenuItem::Command) {
397 string const label = item.label() + '\t';
398 int const width = string_width(label);
399 if (width > max_width) {
401 widest_label = label;
405 lyxerr[Debug::GUI] << "max_width=" << max_width
406 << ", widest_label=`" << widest_label
409 // Compute where to put separators
410 vector<string> extra_labels(md.size());
411 vector<string>::iterator it = extra_labels.begin();
412 vector<string>::iterator last = it;
413 for (Menu::const_iterator i = md.begin(); i != end; ++i, ++it)
414 if (i->kind() == MenuItem::Separator)
416 else if (!i->optional() ||
417 !(view->getLyXFunc()->getStatus(i->action())
418 & func_status::Disabled))
421 it = extra_labels.begin();
422 for (Menu::const_iterator i = md.begin(); i != end; ++i, ++it) {
423 MenuItem const & item = (*i);
424 string & extra_label = *it;
426 switch (item.kind()) {
427 case MenuItem::Command: {
428 func_status::value_type flag =
429 view->getLyXFunc()->getStatus(item.action());
431 // handle optional entries.
433 && (flag & func_status::Disabled)) {
435 << "Skipping optional item "
436 << item.label() << endl;
440 // Get the keys bound to this action, but keep only the
442 string const accel = toplevel_keymap->findbinding(kb_action(item.action()));
443 // Build the menu label from all the info
444 string label = item.label();
446 if (!accel.empty()) {
447 // Try to be clever and add just enough
448 // tabs to align shortcuts.
451 while (string_width(label) < max_width + 5);
452 label += accel.substr(1,accel.find(']') - 1);
454 label += "%x" + tostr(item.action() + action_offset)
457 // Modify the entry using the function status
459 if (flag & (func_status::Disabled
460 | func_status::Unknown))
462 if (flag & func_status::ToggleOn)
464 if (flag & func_status::ToggleOff)
468 // Finally the menu shortcut
469 string shortcut = item.shortcut();
471 if (!shortcut.empty()) {
472 shortcut += lowercase(shortcut[0]);
474 fl_addtopup(menu, label.c_str(),
477 fl_addtopup(menu, label.c_str());
479 lyxerr[Debug::GUI] << "Command: \""
480 << lyxaction.getActionName(item.action())
481 << "\", binding \"" << accel
482 << "\", shortcut \"" << shortcut
487 case MenuItem::Submenu: {
488 int submenu = create_submenu(win, view,
489 item.submenu(), smn);
492 string label = item.label();
493 label += extra_label + "%m";
494 string shortcut = item.shortcut();
495 if (!shortcut.empty()) {
496 shortcut += lowercase(shortcut[0]);
498 fl_addtopup(menu, label.c_str(),
499 submenu, shortcut.c_str());
501 fl_addtopup(menu, label.c_str(), submenu);
506 case MenuItem::Separator:
507 // already done, and if it was the first one,
508 // we just ignore it.
512 add_toc(menu, extra_label, smn, win);
515 case MenuItem::Documents:
516 case MenuItem::Lastfiles:
517 case MenuItem::ViewFormats:
518 case MenuItem::UpdateFormats:
519 case MenuItem::ExportFormats:
520 case MenuItem::ImportFormats:
521 case MenuItem::FloatListInsert:
522 case MenuItem::FloatInsert:
523 lyxerr << "Menubar::Pimpl::create_submenu: "
524 "this should not happen" << endl;
533 void Menubar::Pimpl::MenuCallback(FL_OBJECT * ob, long button)
535 ItemInfo * iteminfo = static_cast<ItemInfo *>(ob->u_vdata);
536 // lyxerr << "MenuCallback: ItemInfo address=" << iteminfo
537 // << "Val=(pimpl_=" << iteminfo->pimpl_
538 // << ", item_=" << iteminfo->item_
539 // << ", obj_=" << iteminfo->obj_ << ")" <<endl;
541 LyXView * view = iteminfo->pimpl_->owner_;
542 MenuItem const * item = iteminfo->item_.get();
545 // set the pseudo menu-button
546 fl_set_object_boxtype(ob, FL_DOWN_BOX);
547 fl_set_button(ob, 0);
548 fl_redraw_object(ob);
552 lyx::Assert(item->kind() == MenuItem::Submenu);
554 // set tabstop length
555 fl_set_tabstop(menu_tabstop);
556 vector<int> submenus;
557 int menu = iteminfo->pimpl_->
558 create_submenu(FL_ObjWin(ob), view,
559 item->submenu(), submenus);
562 fl_setpup_position(static_cast<XFormsView *>(view)->getForm()->x + ob->x,
563 static_cast<XFormsView *>(view)->getForm()->y + ob->y + ob->h + 10);
564 int choice = fl_dopup(menu);
567 // set the pseudo menu-button back
568 fl_set_object_boxtype(ob, FL_FLAT_BOX);
569 fl_redraw_object(ob);
572 // If the action value is too low, then it is not a
573 // valid action, but something else.
574 if (choice >= action_offset + 1) {
575 view->getLyXFunc()->dispatch(choice - action_offset);
578 << "MenuCallback: ignoring bogus action "
582 lyxerr << "Error in MenuCallback" << endl;
585 std::for_each(submenus.begin(), submenus.end(), fl_freepup);
586 // restore tabstop length
587 fl_set_tabstop(default_tabstop);