/////////////////////////////////////////////////////////////////////////////
-// Name: menu.cpp
+// Name: src/palmos/menu.cpp
// Purpose: wxMenu, wxMenuBar, wxMenuItem
-// Author: William Osborne
+// Author: William Osborne - minimal working wxPalmOS port
// Modified by:
// Created: 10/12/04
-// RCS-ID: $Id:
+// RCS-ID: $Id$
// Copyright: (c) William Osborne
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "menu.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/ownerdrw.h"
#endif
-// other standard headers
-#include <string.h>
-
-#ifdef __PALMOS__
- #include <PalmOS.h>
- #include <Menu.h>
-#endif
+#include <Loader.h>
+#include <Form.h>
+#include <Menu.h>
// ----------------------------------------------------------------------------
// global variables
// implementation
// ============================================================================
-#include <wx/listimpl.cpp>
+#include "wx/listimpl.cpp"
-WX_DEFINE_LIST( wxMenuInfoList ) ;
+WX_DEFINE_LIST( wxMenuInfoList )
#if wxUSE_EXTENDED_RTTI
wxBEGIN_HANDLERS_TABLE(wxMenuInfo)
wxEND_HANDLERS_TABLE()
-wxCONSTRUCTOR_2( wxMenuInfo , wxMenu* , Menu , wxString , Title )
+wxCONSTRUCTOR_2( wxMenuInfo , wxMenu* , Menu , wxString , Title )
wxCOLLECTION_TYPE_INFO( wxMenuInfo * , wxMenuInfoList ) ;
{
if ( IsAttached() && GetMenuBar()->IsAttached() )
{
- // Regenerate the menu resource
+ // Regenerate the menu resource
GetMenuBar()->Refresh();
}
-
- return TRUE;
+
+ return true;
}
void wxMenu::EndRadioGroup()
}
else if(IsAttached() && GetMenuBar()->IsAttached())
{
- // Regenerate the menu resource
+ // Regenerate the menu resource
GetMenuBar()->Refresh();
}
-
- return item;
+
+ return item;
}
wxMenuItem* wxMenu::DoInsert(size_t pos, wxMenuItem *item)
if (wxMenuBase::DoInsert(pos, item) && DoInsertOrAppend(item, pos))
return item;
else
- return NULL;
+ return NULL;
}
wxMenuItem *wxMenu::DoRemove(wxMenuItem *item)
// remove the item from the menu
wxMenuItem *ret=wxMenuBase::DoRemove(item);
-
+
if ( IsAttached() && GetMenuBar()->IsAttached() )
{
- // Regenerate the menu resource
+ // Regenerate the menu resource
GetMenuBar()->Refresh();
}
-
+
return ret;
}
if ( IsAttached() && GetMenuBar()->IsAttached() )
{
- // Regenerate the menu resource
+ // Regenerate the menu resource
GetMenuBar()->Refresh();
}
}
{
}
-wxMenuBar::wxMenuBar(int count, wxMenu *menus[], const wxString titles[])
+wxMenuBar::wxMenuBar(size_t count, wxMenu *menus[], const wxString titles[], long WXUNUSED(style))
{
}
bool wxMenuBar::Insert(size_t pos, wxMenu *menu, const wxString& title)
{
if ( !wxMenuBarBase::Insert(pos, menu, title) )
- return FALSE;
+ return false;
m_titles.Insert(wxStripMenuCodes(title), pos);
Refresh();
}
- return TRUE;
+ return true;
}
bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
{
if ( !wxMenuBarBase::Append(menu, title) )
- return FALSE;
+ return false;
m_titles.Add(wxStripMenuCodes(title));
Refresh();
}
- return TRUE;
+ return true;
}
wxMenu *wxMenuBar::Remove(size_t pos)
{
if(!IsAttached())
return -1;
-
+
int MenuNum=(ItemID/1000)-1;
int ItemNum=(ItemID-(1000*(MenuNum+1)));
-
+
// Should never happen, but it doesn't hurt to check anyway.
if(MenuNum>GetMenuCount())
return -1;
// Get the menu
wxMenu *ActiveMenu=GetMenu(MenuNum);
-
+
// Make sure this is a valid item.
if(ItemNum>ActiveMenu->GetMenuItemCount())
return -1;
return ActiveID;
}
-/* Palm OS does not have good dynamic menu support. About all you can do with
- * the standard API calls is to add new items to an existing drop-down menu and
- * hide/show items in a drop-down menu. It is impossible to add, hide, or
- * change the label on a drop-down menu.
- *
- * The easiest and simplest way around this limitation is to modify the Palm OS
- * MenuBarType structure directly. This gives limited ability to change the
- * label on a drop-down menu. I have not been able to find a safe way to add,
+/* Palm OS does not have good dynamic menu support. About all you can do with
+ * the standard API calls is to add new items to an existing drop-down menu and
+ * hide/show items in a drop-down menu. It is impossible to add, hide, or
+ * change the label on a drop-down menu.
+ *
+ * The easiest and simplest way around this limitation is to modify the Palm OS
+ * MenuBarType structure directly. This gives limited ability to change the
+ * label on a drop-down menu. I have not been able to find a safe way to add,
* delete, or resize drop-down menus in OS 6.
- *
+ *
* The following routine attempt to work around these limitations present in the
- * Palm OS API to provide limited dynamic menu support. This solution is far
+ * Palm OS API to provide limited dynamic menu support. This solution is far
* from perfect, but the only other option is to wait for PalmSource to add full
* dynamic menu support, or to recreate the Palm OS menu system from scratch.
- *
+ *
* This system is limited in that no more than 4 drop-down menus are allowed per
* menu bar, and the label for each drop-down menu is limited to 8 characters of
* text. However, this menu system should work for most applications.
- *
- * Basically the menu routines select one of four menu bars, depending on
- * whether or not the requested menu bar has one, two, three, or four drop-down
+ *
+ * Basically the menu routines select one of four menu bars, depending on
+ * whether or not the requested menu bar has one, two, three, or four drop-down
* menus.
- *
- * These four "template" menu bars contain one, two, three, or four drop-down
- * menus. Each menu has a dummy menu item attached to it to allow the Palm OS
+ *
+ * These four "template" menu bars contain one, two, three, or four drop-down
+ * menus. Each menu has a dummy menu item attached to it to allow the Palm OS
* MenuAddItem function to add the real items.
- *
- * The labels on the drop-down menus are then replaced with the labels of the
+ *
+ * The labels on the drop-down menus are then replaced with the labels of the
* real menus.
- *
- * The menu is then attached to the active window and the MenuAddItem API
- * function is called to add the items to each drop-down menu. Finally,
+ *
+ * The menu is then attached to the active window and the MenuAddItem API
+ * function is called to add the items to each drop-down menu. Finally,
* MenuHideItem is called to remove the dummy items from each drop-down menu.
*/
void wxMenuBar::LoadMenu()
{
int i=0;
int j=0;
-
+
// Handle to the currently running application database
DmOpenRef AppDB;
int NumMenus=GetMenuCount();
// Set up the pointers and handles
- char *PalmOSMenuBarPtr;
+ char *PalmOSMenuBarPtr;
MemHandle PalmOSMenuBar;
-
+
// Load the menu template and set up the menu pointers
if(NumMenus==1)
{
PalmOSMenuBar=DmGetResource(AppDB,'MBAR',1000);
PalmOSMenuBarPtr=(char *)MemHandleLock(PalmOSMenuBar);
- PalmOSMenuBarPtr+=74;
+ PalmOSMenuBarPtr+=74;
}
else if(NumMenus==2)
{
}
else
{
- // We support a maximum of 4 menus, so make sure that do not create
+ // We support a maximum of 4 menus, so make sure that do not create
// more than we can handle.
NumMenus=4;
PalmOSMenuBarPtr+=200;
}
-
+
// Set the proper names for the drop-down triggers.
for(i=0;i<NumMenus;i++)
{
// Clear out the old label
char buffer[8]={' ',' ',' ',' ',' ',' ',' ',' '};
MemMove(PalmOSMenuBarPtr,buffer,8);
-
+
wxString MenuTitle=m_titles.Item(i);
// Make sure we don't copy more than 8 bytes for the label
}
// We are done with the menu pointer.
- MemHandleUnlock(PalmOSMenuBar);
+ MemHandleUnlock(PalmOSMenuBar);
DmReleaseResource(PalmOSMenuBar);
- // We must make the menu active before we can add items to the drop-down
+ // We must make the menu active before we can add items to the drop-down
// triggers.
FrmSetMenu(FrmGetActiveForm(),AppDB,NumMenus*1000);
- /* Add the menu items to the drop-down triggers. This must be done after
- * setting the triggers, because setting the names of drop-down triggers
- * that have a variable number of items requires carefull calculation of
+ /* Add the menu items to the drop-down triggers. This must be done after
+ * setting the triggers, because setting the names of drop-down triggers
+ * that have a variable number of items requires carefull calculation of
* the offsets in the MenuBarType structure. Setting the triggers first
* avoids this.
*/
for(i=0;i<NumMenus;i++)
{
wxMenu *CurrentMenu=GetMenu(i);
-
+
for(j=0;j<CurrentMenu->GetMenuItemCount();j++)
{
wxMenuItem *CurrentItem=CurrentMenu->FindItemByPosition(j);
wxString ItemLabel=CurrentItem->GetLabel();
-
+
if(CurrentItem->IsSeparator()==true)
{
char Separator=MenuSeparatorChar;
MenuAddItem(((i*1000)+1000)+j-1,((i*1000)+1000)+j,0x00,ItemLabel);
}
}
-
+
// Hide the dummy menu item, since we don't need it anymore.
MenuHideItem(9000+i);
}
void wxMenuBar::Attach(wxFrame *frame)
{
+ // before attaching preprocess menus to not include wxID_EXIT item
+ // as PalmOS guidelines suggest
+
+ wxMenuItem *item;
+ wxMenu *menu;
+ int i;
+
+ while( item = FindItem(wxID_EXIT) )
+ {
+ menu = item->GetMenu();
+ if( !menu ) break; // something broken ?
+
+ size_t count = menu->GetMenuItemCount();
+ if( count == 0 ) break; // something broken ?
+
+ // if EXIT is last item in menu
+ if( menu->FindItemByPosition( count - 1 ) == item )
+ {
+ menu->Destroy( item );
+
+ // was more than one item?
+ // was previous separator ?
+ if( count > 2 )
+ {
+ item = menu->FindItemByPosition( count - 2 );
+ if(item && item->IsSeparator())
+ menu->Destroy( item );
+ }
+ }
+
+ // if EXIT is first item in menu
+ else if( menu->FindItemByPosition( 0 ) == item )
+ {
+ menu->Destroy( item );
+
+ // was more than one item?
+ // was previous separator ?
+ if( count > 2 )
+ {
+ item = menu->FindItemByPosition( 0 );
+ if(item && item->IsSeparator())
+ menu->Destroy( item );
+ }
+ }
+
+ // if EXIT is in the middle but before and after are selectors
+ else
+ {
+ i = 1; // 0 case already done
+ while ( (i < count) && (menu->FindItemByPosition( 0 ) != item) )
+ {
+ i++;
+ }
+
+ if (i >= count) break;
+ if (menu->FindItemByPosition( i ) != item) break;
+ menu->Destroy( item );
+ item = menu->FindItemByPosition( i );
+ if ( item &&
+ item->IsSeparator() &&
+ menu->FindItemByPosition( i-1 )->IsSeparator() )
+ {
+ // noe need for two neighbouring separators
+ menu->Destroy( item );
+ }
+ }
+ }
+
+ // check if we received any empty menu!
+ i = 0;
+ while(i < GetMenuCount())
+ {
+ menu = GetMenu(i);
+
+ if( menu && (menu->GetMenuItemCount()==0) )
+ {
+ menu = Remove( i );
+ delete menu;
+ }
+ else
+ i++;
+ }
+
wxMenuBarBase::Attach(frame);
-
- LoadMenu();
-}
-#if defined(__WXWINCE__) && (_WIN32_WCE >= 400 && !defined(__POCKETPC__) && !defined(__SMARTPHONE__))
-bool wxMenuBar::AddAdornments(long style)
-{
- return false;
+ LoadMenu();
}
-#endif
void wxMenuBar::Detach()
{
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