several menu improvements. JMarc, I get a crash in expand when I'm

trying to disable a submenu label ...

Still need to implement the "special" menu items


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4739 a592a061-630c-0410-9148-cb99ea01b6c8

src/frontends/qt2/ChangeLog

@@ -1,3 +1,8 @@
+2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
+
+	* Menubar_pimpl.h:
+	* Menubar_pimpl.C: implement check/disable, submenus
+ 
 2002-07-22  John Levon  <moz@compsoc.man.ac.uk>
 
 	* Toolbar_pimpl.h:

src/frontends/qt2/Menubar_pimpl.C

@@ -38,6 +38,28 @@ using std::max;
 using std::min;
 using std::for_each;
 
+namespace {
+ 
+string const getLabel(MenuItem const & mi)
+{
+	string const shortcut = mi.shortcut();
+	string label = mi.label();
+
+	label = subst(label, "&", "&&");
+ 
+	if (shortcut.empty())
+		return label;
+ 
+	string::size_type pos = label.find(shortcut);
+	if (pos == string::npos)
+		return label;
+	label.insert(pos, "&");
+ 
+	return label;
+}
+
+};
+ 
 typedef vector<int>::size_type size_type;
 
 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
@@ -57,21 +79,85 @@ Menubar::Pimpl::Pimpl(LyXView * view, MenuBackend const & mbe)
 
 void Menubar::Pimpl::makeMenu(QMenuData * parent, MenuItem const & menu)
 {
-	// FIXME: leak
+	// FIXME: does this leak or not ?
 	QPopupMenu * pm = new QPopupMenu();
-	parent->insertItem(menu.label().c_str(), pm);
+	int const parentid = parent->insertItem(getLabel(menu).c_str(), pm);
  
 	Menu md;
 	menubackend_.getMenu(menu.submenu()).expand(md, 0);
 	Menu::const_iterator m = md.begin();
 	Menu::const_iterator end = md.end();
 	for (; m != end; ++m) {
+		// FIXME: handle the special stuff here
 		if (m->kind() == MenuItem::Separator) {
 			pm->insertSeparator();
+		} else if (m->kind() == MenuItem::Submenu) {
+			makeMenu(pm, *m);
 		} else {
-			pm->insertItem(m->label().c_str(), m->action());
+			pm->insertItem(getLabel(*m).c_str(), m->action());
+			MenuItemInfo const info(pm, m->action(), m);
+			items_[m->label()] = info;
+			updateItem(info);
 		}
 	}
+
+	MenuItemInfo const info(parent, parentid, &menu);
+	items_[menu.label()] = info;
+	updateSubmenu(info);
+}
+
+ 
+// FIXME: this is probably buggy with respect to enabling
+// two-level submenus
+void Menubar::Pimpl::updateSubmenu(MenuItemInfo const & i)
+{
+	bool enable = true;
+#if 0
+	bool enable = false;
+	Menu md;
+	// FIXME FIXME SEGFAULTS
+	menubackend_.getMenu(i.item_->submenu()).expand(md, 0);
+	Menu::const_iterator m = md.begin();
+	Menu::const_iterator end = md.end();
+	for (; m != end; ++m) {
+	 	if (m->action() > 0) {
+			FuncStatus const status =
+				owner_->getLyXFunc()->getStatus(m->action());
+			if (!status.disabled())
+				enable = true;
+		}
+	}
+#endif 
+	i.parent_->setItemEnabled(i.id_, enable);
+}
+ 
+ 
+void Menubar::Pimpl::updateItem(MenuItemInfo const & i)
+{
+	if (i.item_->kind() == MenuItem::Submenu) {
+		updateSubmenu(i);
+		return;
+	}
+ 
+	// FIXME
+	if (i.id_ < 0)
+		return;
+ 
+	FuncStatus const status = owner_->getLyXFunc()->getStatus(i.id_);
+	i.parent_->setItemEnabled(i.id_, !status.disabled());
+	i.parent_->setItemChecked(i.id_, status.onoff(true));
+}
+
+ 
+void Menubar::Pimpl::update()
+{
+	// FIXME: handle special stuff to be updated.
+ 
+	ItemMap::const_iterator cit = items_.begin();
+	ItemMap::const_iterator end = items_.end();
+
+	for (; cit != end; ++cit)
+		updateItem(cit->second);
 }
 
 
@@ -79,15 +165,10 @@ void Menubar::Pimpl::openByName(string const & name)
 {
 	lyxerr << "Menubar::Pimpl::openByName: menu " << name << endl;
 
-#if 0
-	if (menubackend_->getMenu(current_menu_name_).hasSubmenu(name)) {
-		for (ButtonList::const_iterator cit = buttonlist_.begin();
-		     cit != buttonlist_.end(); ++cit) {
-			if ((*cit)->item_->submenu() == name) {
-				MenuCallback((*cit)->obj_, 1);
-				return;
-			}
-		}
-	}
-#endif
+	ItemMap::iterator it = items_.find(name);
+
+	if (it == items_.end())
+		lyxerr << "NOT FOUND " << name << endl;
+
+	// FIXME 
 }

src/frontends/qt2/Menubar_pimpl.h

@@ -14,7 +14,6 @@
 
 #include <vector>
 #include <map>
-#include <boost/smart_ptr.hpp>
 
 #include <config.h>
  
@@ -25,7 +24,6 @@
 #include "LString.h"
 #include "frontends/Menubar.h"
 #include "commandtags.h"
-//#include "MenuBackend.h"
 
 class LyXView;
 class QtView;
@@ -34,22 +32,56 @@ class Menu;
 class MenuItem;
 class MenuBackend;
 
-struct Menubar::Pimpl {
-public:
-	///
-	Pimpl(LyXView *, MenuBackend const &);
-	/// Opens a top-level submenu given its name
-	void openByName(string const &);
+/// stored state for menu items
+struct MenuItemInfo {
+	// I REALLY hate this stupid requirement of std::map
+	MenuItemInfo::MenuItemInfo()
+		: parent_(0), id_(0), item_(0) {};
  
-        /// update the state of the menuitems
-        void update() {}
+	MenuItemInfo::MenuItemInfo(QMenuData * p, int id, MenuItem const * item)
+		: parent_(p), id_(id), item_(item) {};
  
-private:
-	void makeMenu(QMenuData * parent, MenuItem const & menu);
+	/// menu containing item
+	QMenuData * parent_;
  
-	QtView * owner_;
+	/// id in containing menu
+	int id_;
  
-	MenuBackend const & menubackend_;
+	/// LyX info for item
+	MenuItem const * item_;
 };
  
-#endif
+
+struct Menubar::Pimpl {
+public:
+	Pimpl(LyXView *, MenuBackend const &);
+ 
+	/// opens a top-level submenu given its name
+	void openByName(string const &);
+
+	/// update the state of the menuitems
+	void update();
+
+private:
+	/// create a menu
+	void makeMenu(QMenuData * parent, MenuItem const & menu);
+ 
+	/// special handling updating a submenu label
+	void updateSubmenu(MenuItemInfo const & i);
+ 
+	/// update an individual item, returns true if enabled
+	void updateItem(MenuItemInfo const & i);
+
+	/// owning view
+	QtView * owner_;
+
+	/// menu controller
+	MenuBackend const & menubackend_;
+
+	typedef std::map<string, MenuItemInfo> ItemMap;
+
+	/// menu items
+	ItemMap items_;
+};
+ 
+#endif // MENUBAR_PIMPL_H

src/frontends/qt2/QtView.C

@@ -53,6 +53,9 @@ QtView::QtView(unsigned int width, unsigned int height)
  
 	qApp->setMainWidget(this);
  
+	bufferview_.reset(new BufferView(this, 0, 0, width, height));
+	::current_view = bufferview_.get();
+
 	menubar_.reset(new Menubar(this, menubackend));
 
 	connect(menuBar(), SIGNAL(activated(int)),
@@ -63,9 +66,6 @@ QtView::QtView(unsigned int width, unsigned int height)
 
 	statusBar()->setSizeGripEnabled(false);
  
-	bufferview_.reset(new BufferView(this, 0, 0, width, height));
-	::current_view = bufferview_.get();
-
 	view_state_changed.connect(boost::bind(&QtView::update_view_state, this));
 	connect(&idle_timer_, SIGNAL(timeout()), this, SLOT(update_view_state_qt()));
  

src/frontends/qt2/TODO

@@ -15,15 +15,12 @@ lyx_gui (qt)
  
 Menubar_pimpl
 
-	- remove menubar-switching as discussed
-	- implement menu key shortcuts
-	- implement on/off switches in menus, enable/disable
-	- parse the submenus (*)
+	- fix disabling submenu labels when appropriate
 	- implement dynamic menus (may need serious backend changes) (*)(*)
 		- dynamic last files
 		- import/export/view/update
 		- navigate
-	- remove openByName
+	- implement openByName
 
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