2 * \file Menubar_pimpl.C
3 * Copyright 1999-2001 The LyX Team.
4 * See the file COPYING.
6 * \author Lars Gullik Bjønnes, larsbj@lyx.org
12 #pragma implementation
15 #include "Menubar_pimpl.h"
16 #include "MenuBackend.h"
17 #include "LyXAction.h"
20 #include "XFormsView.h"
22 #include "support/lstrings.h"
23 #include "support/LAssert.h"
26 #include FORMS_H_LOCATION
28 #include <boost/scoped_ptr.hpp>
38 typedef vector<int>::size_type size_type;
40 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
45 int const MENU_LABEL_SIZE = FL_NORMAL_SIZE;
46 int const MENU_LABEL_STYLE = FL_NORMAL_STYLE;
47 int const mheight = 30;
48 int const mbheight= 22;
49 // where to place the menubar?
50 int const yloc = (mheight - mbheight)/2; //air + bw;
51 int const mbadd = 20; // menu button add (to width)
52 // Some space between buttons on the menubar
54 char const * menu_tabstop = "aa";
55 char const * default_tabstop = "aaaaaaaa";
56 // We do not want to mix position values in a menu (like the index of
57 // a submenu) with the action numbers which convey actual information.
58 // Therefore we offset all the action values by an arbitrary large
60 int const action_offset = 1000;
62 // This is used a few times below.
64 int string_width(string const & str)
66 return fl_get_string_widthTAB(MENU_LABEL_STYLE, MENU_LABEL_SIZE,
68 static_cast<int>(str.length()));
76 //Defined later, used in makeMenubar().
78 void C_Menubar_Pimpl_MenuCallback(FL_OBJECT * ob, long button)
80 Menubar::Pimpl::MenuCallback(ob, button);
86 Menubar::Pimpl::Pimpl(LyXView * view, MenuBackend const & mb)
87 : owner_(static_cast<XFormsView*>(view)), menubackend_(&mb)
89 makeMenubar(menubackend_->getMenubar());
93 void Menubar::Pimpl::makeMenubar(Menu const & menu)
95 FL_FORM * form = owner_->getForm();
98 // Create menu frame if there is non yet.
99 FL_OBJECT * frame = fl_add_frame(FL_UP_FRAME, 0, 0,
100 form->w, mheight, "");
101 fl_set_object_resize(frame, FL_RESIZE_ALL);
102 fl_set_object_gravity(frame, NorthWestGravity,
105 Menu::const_iterator i = menu.begin();
106 Menu::const_iterator end = menu.end();
107 for (; i != end; ++i) {
109 if (i->kind() != MenuItem::Submenu) {
110 lyxerr << "ERROR: Menubar::Pimpl::createMenubar:"
111 " only submenus can appear in a menubar"
115 string const label = i->label();
116 string const shortcut = "#" + i->shortcut();
117 int const width = string_width(label);
118 obj = fl_add_button(FL_MENU_BUTTON,
123 fl_set_object_boxtype(obj, FL_FLAT_BOX);
124 fl_set_object_color(obj, FL_MCOL, FL_MCOL);
125 fl_set_object_lsize(obj, MENU_LABEL_SIZE);
126 fl_set_object_lstyle(obj, MENU_LABEL_STYLE);
127 fl_set_object_resize(obj, FL_RESIZE_ALL);
128 fl_set_object_gravity(obj, NorthWestGravity,
130 moffset += obj->w + air;
131 fl_set_object_shortcut(obj, shortcut.c_str(), 1);
132 fl_set_object_callback(obj, C_Menubar_Pimpl_MenuCallback, 1);
134 boost::shared_ptr<ItemInfo>
135 iteminfo(new ItemInfo(this, new MenuItem(*i), obj));
136 buttonlist_.push_back(iteminfo);
137 obj->u_vdata = iteminfo.get();
143 void Menubar::Pimpl::update()
149 void Menubar::Pimpl::openByName(string const & name)
151 for (ButtonList::const_iterator cit = buttonlist_.begin();
152 cit != buttonlist_.end(); ++cit) {
153 if ((*cit)->item_->submenuname() == name) {
154 MenuCallback((*cit)->obj_, 1);
159 lyxerr << "Menubar::Pimpl::openByName: menu "
160 << name << " not found" << endl;
166 Menu::size_type const max_number_of_items = 25;
168 int get_new_submenu(vector<int> & smn, Window win)
170 static size_type max_number_of_menus = 32;
171 if (smn.size() >= max_number_of_menus)
172 max_number_of_menus =
173 fl_setpup_maxpup(static_cast<int>(2*smn.size()));
174 int menu = fl_newpup(win);
175 fl_setpup_softedge(menu, true);
176 fl_setpup_bw(menu, -1);
177 lyxerr[Debug::GUI] << "Adding menu " << menu
178 << " in deletion list" << endl;
184 string const fixlabel(string const & str)
186 #if FL_VERSION < 1 && FL_REVISION < 89
187 return subst(str, '%', '?');
189 return subst(str, "%", "%%");
199 int Menubar::Pimpl::create_submenu(Window win, XFormsView * view,
200 Menu const & menu, vector<int> & smn,
203 const int menuid = get_new_submenu(smn, win);
204 lyxerr[Debug::GUI] << "Menubar::Pimpl::create_submenu: creating "
205 << menu.name() << " as menuid=" << menuid << endl;
207 // Compute the size of the largest label (because xforms is
208 // not able to support shortcuts correctly...)
211 Menu::const_iterator end = menu.end();
212 for (Menu::const_iterator i = menu.begin(); i != end; ++i) {
213 MenuItem const & item = (*i);
214 if (item.kind() == MenuItem::Command) {
215 string const label = item.label() + '\t';
216 int const width = string_width(label);
217 if (width > max_width) {
219 widest_label = label;
223 lyxerr[Debug::GUI] << "max_width=" << max_width
224 << ", widest_label=`" << widest_label
227 // Compute where to put separators
228 vector<string> extra_labels(menu.size());
229 vector<string>::iterator it = extra_labels.begin();
230 vector<string>::iterator last = it;
231 for (Menu::const_iterator i = menu.begin(); i != end; ++i, ++it)
232 if (i->kind() == MenuItem::Separator)
234 else if (!i->optional() ||
235 !(view->getLyXFunc()->getStatus(i->action()).disabled()))
238 it = extra_labels.begin();
241 int curmenuid = menuid;
242 for (Menu::const_iterator i = menu.begin(); i != end; ++i, ++it) {
243 MenuItem const & item = (*i);
244 string & extra_label = *it;
247 if (count > max_number_of_items) {
248 int tmpmenuid = get_new_submenu(smn, win);
249 lyxerr[Debug::GUI] << "Too many items, creating "
250 << "new menu " << tmpmenuid << endl;
251 string label = _("More");
253 fl_addtopup(curmenuid, label.c_str(), tmpmenuid);
255 curmenuid = tmpmenuid;
258 switch (item.kind()) {
259 case MenuItem::Command: {
260 FuncStatus const flag =
261 view->getLyXFunc()->getStatus(item.action());
262 // handle optional entries.
264 && (flag.disabled())) {
266 << "Skipping optional item "
267 << item.label() << endl;
271 // Get the keys bound to this action, but keep only the
274 toplevel_keymap->findbinding(item.action());
275 // Build the menu label from all the info
276 string label = fixlabel(item.label());
278 if (!accel.empty()) {
279 // Try to be clever and add just enough
280 // tabs to align shortcuts.
283 while (string_width(label) < max_width + 5);
284 label += accel.substr(1,accel.find(']') - 1);
286 label += "%x" + tostr(item.action() + action_offset)
289 // Modify the entry using the function status
291 if (flag.onoff(true))
293 if (flag.onoff(false))
295 if (flag.disabled() || flag.unknown())
298 all_disabled = false;
301 // Finally the menu shortcut
302 string shortcut = item.shortcut();
304 if (!shortcut.empty()) {
305 shortcut += lowercase(shortcut[0]);
307 fl_addtopup(curmenuid, label.c_str(),
310 fl_addtopup(curmenuid, label.c_str());
312 lyxerr[Debug::GUI] << "Command: \""
313 << lyxaction.getActionName(item.action())
314 << "\", binding \"" << accel
315 << "\", shortcut \"" << shortcut
316 << "\" (added to menu"
317 << curmenuid << ")" << endl;
321 case MenuItem::Submenu: {
322 bool sub_all_disabled;
323 int submenuid = create_submenu(win, view,
324 *item.submenu(), smn,
326 all_disabled &= sub_all_disabled;
329 string label = fixlabel(item.label());
330 label += extra_label + "%m";
331 if (sub_all_disabled)
333 string shortcut = item.shortcut();
334 if (!shortcut.empty()) {
335 shortcut += lowercase(shortcut[0]);
337 fl_addtopup(curmenuid, label.c_str(),
338 submenuid, shortcut.c_str());
340 fl_addtopup(curmenuid, label.c_str(),
346 case MenuItem::Separator:
347 // already done, and if it was the first one,
348 // we just ignore it.
353 lyxerr << "Menubar::Pimpl::create_submenu: "
354 "this should not happen" << endl;
362 void Menubar::Pimpl::MenuCallback(FL_OBJECT * ob, long button)
364 ItemInfo * iteminfo = static_cast<ItemInfo *>(ob->u_vdata);
365 XFormsView * view = iteminfo->pimpl_->owner_;
366 MenuItem const * item = iteminfo->item_.get();
369 // set the pseudo menu-button
370 fl_set_object_boxtype(ob, FL_DOWN_BOX);
371 fl_set_button(ob, 0);
372 fl_redraw_object(ob);
376 lyx::Assert(item->kind() == MenuItem::Submenu);
378 // set tabstop length
379 fl_set_tabstop(menu_tabstop);
381 MenuBackend const * menubackend_ = iteminfo->pimpl_->menubackend_;
383 Menu const frommenu = menubackend_->getMenu(item->submenuname());
384 menubackend_->expand(frommenu, tomenu, view->buffer());
385 vector<int> submenus;
386 bool all_disabled = true;
387 int menu = iteminfo->pimpl_->
388 create_submenu(FL_ObjWin(ob), view, tomenu,
389 submenus, all_disabled);
392 fl_setpup_position(view->getForm()->x + ob->x,
393 view->getForm()->y + ob->y + ob->h + 10);
394 int choice = fl_dopup(menu);
397 // set the pseudo menu-button back
398 fl_set_object_boxtype(ob, FL_FLAT_BOX);
399 fl_redraw_object(ob);
402 // If the action value is too low, then it is not a
403 // valid action, but something else.
404 if (choice >= action_offset + 1) {
405 view->getLyXFunc()->dispatch(choice - action_offset, true);
408 << "MenuCallback: ignoring bogus action "
412 lyxerr << "Error in MenuCallback" << endl;
415 for_each(submenus.begin(), submenus.end(), fl_freepup);
416 // restore tabstop length
417 fl_set_tabstop(default_tabstop);