/////////////////////////////////////////////////////////////////////////////
-// Name: common/framecmn.cpp
+// Name: src/common/framecmn.cpp
// Purpose: common (for all platforms) wxFrame functions
// Author: Julian Smart, Vadim Zeitlin
// Created: 01/02/97
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "framebase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#include "wx/frame.h"
+
#ifndef WX_PRECOMP
- #include "wx/frame.h"
#include "wx/menu.h"
#include "wx/menuitem.h"
#include "wx/dcclient.h"
-#endif // WX_PRECOMP
-
-#if wxUSE_TOOLBAR
#include "wx/toolbar.h"
-#endif
-#if wxUSE_STATUSBAR
#include "wx/statusbr.h"
-#endif
+#endif // WX_PRECOMP
// ----------------------------------------------------------------------------
// event table
// ----------------------------------------------------------------------------
+#if wxUSE_MENUS && wxUSE_STATUSBAR
+
BEGIN_EVENT_TABLE(wxFrameBase, wxTopLevelWindow)
- EVT_IDLE(wxFrameBase::OnIdle)
+ EVT_MENU_OPEN(wxFrameBase::OnMenuOpen)
+ EVT_MENU_CLOSE(wxFrameBase::OnMenuClose)
+
EVT_MENU_HIGHLIGHT_ALL(wxFrameBase::OnMenuHighlight)
END_EVENT_TABLE()
+#endif // wxUSE_MENUS && wxUSE_STATUSBAR
+
// ============================================================================
// implementation
// ============================================================================
if ( m_frameMenuBar )
{
delete m_frameMenuBar;
- m_frameMenuBar = (wxMenuBar *) NULL;
+ m_frameMenuBar = NULL;
}
#endif // wxUSE_MENUS
if ( m_frameStatusBar )
{
delete m_frameStatusBar;
- m_frameStatusBar = (wxStatusBar *) NULL;
+ m_frameStatusBar = NULL;
}
#endif // wxUSE_STATUSBAR
if ( m_frameToolBar )
{
delete m_frameToolBar;
- m_frameToolBar = (wxToolBar *) NULL;
+ m_frameToolBar = NULL;
}
#endif // wxUSE_TOOLBAR
}
{
#if wxUSE_MENUS
if ( win == GetMenuBar() )
- return TRUE;
+ return true;
#endif // wxUSE_MENUS
#if wxUSE_STATUSBAR
if ( win == GetStatusBar() )
- return TRUE;
+ return true;
#endif // wxUSE_STATUSBAR
#if wxUSE_TOOLBAR
if ( win == GetToolBar() )
- return TRUE;
+ return true;
#endif // wxUSE_TOOLBAR
- return FALSE;
+ wxUnusedVar(win);
+
+ return false;
}
// ----------------------------------------------------------------------------
// misc
// ----------------------------------------------------------------------------
+#if wxUSE_MENUS
+
bool wxFrameBase::ProcessCommand(int id)
{
-#if wxUSE_MENUS
wxMenuBar *bar = GetMenuBar();
if ( !bar )
- return FALSE;
+ return false;
- wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
+ wxMenuItem *item = bar->FindItem(id);
+ if ( !item )
+ return false;
+
+ return ProcessCommand(item);
+}
+
+bool wxFrameBase::ProcessCommand(wxMenuItem *item)
+{
+ wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, item->GetId());
commandEvent.SetEventObject(this);
- wxMenuItem *item = bar->FindItem(id);
- if (item)
- {
- if (!item->IsEnabled())
- return TRUE;
+ if (!item->IsEnabled())
+ return true;
- if (item->IsCheckable())
- {
- item->Toggle();
+ if ((item->GetKind() == wxITEM_RADIO) && item->IsChecked() )
+ return true;
- // use the new value
- commandEvent.SetInt(item->IsChecked());
- }
+ if (item->IsCheckable())
+ {
+ item->Toggle();
+
+ // use the new value
+ commandEvent.SetInt(item->IsChecked());
}
- GetEventHandler()->ProcessEvent(commandEvent);
- return TRUE;
-#else // !wxUSE_MENUS
- return FALSE;
-#endif // wxUSE_MENUS/!wxUSE_MENUS
+ return HandleWindowEvent(commandEvent);
+}
+
+#endif // wxUSE_MENUS
+
+// Do the UI update processing for this window. This is
+// provided for the application to call if it wants to
+// force a UI update, particularly for the menus and toolbar.
+void wxFrameBase::UpdateWindowUI(long flags)
+{
+ wxWindowBase::UpdateWindowUI(flags);
+
+#if wxUSE_TOOLBAR
+ if (GetToolBar())
+ GetToolBar()->UpdateWindowUI(flags);
+#endif
+
+#if wxUSE_MENUS
+ if (GetMenuBar())
+ {
+ // If coming from an idle event, we only want to update the menus if
+ // we're in the wxUSE_IDLEMENUUPDATES configuration, otherwise they
+ // will be update when the menu is opened later
+#if !wxUSE_IDLEMENUUPDATES
+ if ( !(flags & wxUPDATE_UI_FROMIDLE) )
+#endif // wxUSE_IDLEMENUUPDATES
+ DoMenuUpdates();
+ }
+#endif // wxUSE_MENUS
}
// ----------------------------------------------------------------------------
-// event handlers
+// event handlers for status bar updates from menus
// ----------------------------------------------------------------------------
+#if wxUSE_MENUS && wxUSE_STATUSBAR
+
void wxFrameBase::OnMenuHighlight(wxMenuEvent& event)
{
#if wxUSE_STATUSBAR
- (void)ShowMenuHelp(GetStatusBar(), event.GetMenuId());
+ (void)ShowMenuHelp(event.GetMenuId());
#endif // wxUSE_STATUSBAR
}
-void wxFrameBase::OnIdle(wxIdleEvent& WXUNUSED(event) )
+void wxFrameBase::OnMenuOpen(wxMenuEvent& event)
{
-#if wxUSE_MENUS
- DoMenuUpdates();
-#endif // wxUSE_MENUS
+#if wxUSE_IDLEMENUUPDATES
+ wxUnusedVar(event);
+#else // !wxUSE_IDLEMENUUPDATES
+ // as we didn't update the menus from idle time, do it now
+ DoMenuUpdates(event.GetMenu());
+#endif // wxUSE_IDLEMENUUPDATES/!wxUSE_IDLEMENUUPDATES
+}
+
+void wxFrameBase::OnMenuClose(wxMenuEvent& WXUNUSED(event))
+{
+ DoGiveHelp(wxEmptyString, false);
+}
+
+#endif // wxUSE_MENUS && wxUSE_STATUSBAR
+
+// Implement internal behaviour (menu updating on some platforms)
+void wxFrameBase::OnInternalIdle()
+{
+ wxTopLevelWindow::OnInternalIdle();
+
+#if wxUSE_MENUS && wxUSE_IDLEMENUUPDATES
+ if (wxUpdateUIEvent::CanUpdate(this))
+ DoMenuUpdates();
+#endif
}
// ----------------------------------------------------------------------------
{
// the main status bar can only be created once (or else it should be
// deleted before calling CreateStatusBar() again)
- wxCHECK_MSG( !m_frameStatusBar, (wxStatusBar *)NULL,
+ wxCHECK_MSG( !m_frameStatusBar, NULL,
wxT("recreating status bar in wxFrame") );
- m_frameStatusBar = OnCreateStatusBar( number, style, id, name );
- if ( m_frameStatusBar )
- PositionStatusBar();
+ SetStatusBar(OnCreateStatusBar(number, style, id, name));
return m_frameStatusBar;
}
m_frameStatusBar->PopStatusText(number);
}
-void wxFrameBase::DoGiveHelp(const wxString& text, bool show)
+bool wxFrameBase::ShowMenuHelp(int menuId)
{
-#if wxUSE_STATUSBAR
- if ( m_statusBarPane < 0 ) return;
- wxStatusBar* statbar = GetStatusBar();
- if ( !statbar ) return;
+#if wxUSE_MENUS
+ // if no help string found, we will clear the status bar text
+ //
+ // NB: wxID_NONE is used for (sub)menus themselves by wxMSW
+ wxString helpString;
+ if ( menuId != wxID_SEPARATOR && menuId != wxID_NONE )
+ {
+ const wxMenuItem * const item = FindItemInMenuBar(menuId);
+ if ( item && !item->IsSeparator() )
+ helpString = item->GetHelp();
- wxString help = show ? text : wxString();
- statbar->SetStatusText( help, m_statusBarPane );
-#endif // wxUSE_STATUSBAR
+ // notice that it's ok if we don't find the item because it might
+ // belong to the popup menu, so don't assert here
+ }
+
+ DoGiveHelp(helpString, true);
+
+ return !helpString.empty();
+#else // !wxUSE_MENUS
+ return false;
+#endif // wxUSE_MENUS/!wxUSE_MENUS
}
-bool wxFrameBase::ShowMenuHelp(wxStatusBar *WXUNUSED(statbar), int menuId)
+void wxFrameBase::SetStatusBar(wxStatusBar *statBar)
{
-#if wxUSE_MENUS
- // if no help string found, we will clear the status bar text
- wxString helpString;
- bool show = menuId != wxID_SEPARATOR && menuId != -2 /* wxID_TITLE */;
+ bool hadBar = m_frameStatusBar != NULL;
+ m_frameStatusBar = statBar;
+
+ if ( (m_frameStatusBar != NULL) != hadBar )
+ {
+ PositionStatusBar();
+
+ DoLayout();
+ }
+}
+
+#endif // wxUSE_STATUSBAR
+
+#if wxUSE_MENUS || wxUSE_TOOLBAR
+void wxFrameBase::DoGiveHelp(const wxString& help, bool show)
+{
+#if wxUSE_STATUSBAR
+ if ( m_statusBarPane < 0 )
+ {
+ // status bar messages disabled
+ return;
+ }
+ wxStatusBar *statbar = GetStatusBar();
+ if ( !statbar )
+ return;
+
+ wxString text;
if ( show )
{
- wxMenuBar *menuBar = GetMenuBar();
- if ( menuBar )
+ // remember the old status bar text if this is the first time we're
+ // called since the menu has been opened as we're going to overwrite it
+ // in our DoGiveHelp() and we want to restore it when the menu is
+ // closed
+ //
+ // note that it would be logical to do this in OnMenuOpen() but under
+ // MSW we get an EVT_MENU_HIGHLIGHT before EVT_MENU_OPEN, strangely
+ // enough, and so this doesn't work and instead we use the ugly trick
+ // with using special m_oldStatusText value as "menu opened" (but it is
+ // arguably better than adding yet another member variable to wxFrame
+ // on all platforms)
+ if ( m_oldStatusText.empty() )
{
- // it's ok if we don't find the item because it might belong
- // to the popup menu
- wxMenuItem *item = menuBar->FindItem(menuId);
- if ( item )
- helpString = item->GetHelp();
+ m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
+ if ( m_oldStatusText.empty() )
+ {
+ // use special value to prevent us from doing this the next time
+ m_oldStatusText += wxT('\0');
+ }
}
+
+ m_lastHelpShown =
+ text = help;
}
+ else // hide help, restore the original text
+ {
+ // clear the last shown help string but remember its value
+ wxString lastHelpShown;
+ lastHelpShown.swap(m_lastHelpShown);
- DoGiveHelp(helpString, show);
+ // also clear the old status text but remember it too to restore it
+ // below
+ text.swap(m_oldStatusText);
- return !helpString.IsEmpty();
-#else // !wxUSE_MENUS
- return FALSE;
-#endif // wxUSE_MENUS/!wxUSE_MENUS
-}
+ if ( statbar->GetStatusText(m_statusBarPane) != lastHelpShown )
+ {
+ // if the text was changed with an explicit SetStatusText() call
+ // from the user code in the meanwhile, do not overwrite it with
+ // the old status bar contents -- this is almost certainly not what
+ // the user expects and would be very hard to avoid from user code
+ return;
+ }
+ }
+ statbar->SetStatusText(text, m_statusBarPane);
+#else
+ wxUnusedVar(help);
+ wxUnusedVar(show);
#endif // wxUSE_STATUSBAR
+}
+#endif // wxUSE_MENUS || wxUSE_TOOLBAR
+
// ----------------------------------------------------------------------------
// toolbar stuff
wxWindowID id,
const wxString& name)
{
- // the main toolbar can't be recreated (unless it was explicitly deeleted
+ // the main toolbar can't be recreated (unless it was explicitly deleted
// before)
- wxCHECK_MSG( !m_frameToolBar, (wxToolBar *)NULL,
+ wxCHECK_MSG( !m_frameToolBar, NULL,
wxT("recreating toolbar in wxFrame") );
- m_frameToolBar = OnCreateToolBar(style, id, name);
+ if ( style == -1 )
+ {
+ // use default style
+ //
+ // NB: we don't specify the default value in the method declaration
+ // because
+ // a) this allows us to have different defaults for different
+ // platforms (even if we don't have them right now)
+ // b) we don't need to include wx/toolbar.h in the header then
+ style = wxBORDER_NONE | wxTB_HORIZONTAL | wxTB_FLAT;
+ }
+
+ SetToolBar(OnCreateToolBar(style, id, name));
return m_frameToolBar;
}
wxWindowID id,
const wxString& name)
{
+#if defined(__WXWINCE__) && defined(__POCKETPC__)
+ return new wxToolMenuBar(this, id,
+ wxDefaultPosition, wxDefaultSize,
+ style, name);
+#else
return new wxToolBar(this, id,
wxDefaultPosition, wxDefaultSize,
style, name);
+#endif
+}
+
+void wxFrameBase::SetToolBar(wxToolBar *toolbar)
+{
+ if ( (toolbar != NULL) != (m_frameToolBar != NULL) )
+ {
+ // the toolbar visibility must have changed so we need to both position
+ // the toolbar itself (if it appeared) and to relayout the frame
+ // contents in any case
+
+ if ( toolbar )
+ {
+ // we need to assign it to m_frameToolBar for PositionToolBar() to
+ // do anything
+ m_frameToolBar = toolbar;
+ PositionToolBar();
+ }
+ //else: tricky: do not reset m_frameToolBar yet as otherwise DoLayout()
+ // wouldn't recognize the (still existing) toolbar as one of our
+ // bars and wouldn't layout the single child of the frame correctly
+
+
+ // and this is even more tricky: we want DoLayout() to recognize the
+ // old toolbar for the purpose of not counting it among our non-bar
+ // children but we don't want to reserve any more space for it so we
+ // temporarily hide it
+ if ( m_frameToolBar )
+ m_frameToolBar->Hide();
+
+ DoLayout();
+
+ if ( m_frameToolBar )
+ m_frameToolBar->Show();
+ }
+
+ // this might have been already done above but it's simpler to just always
+ // do it unconditionally instead of testing for whether we already did it
+ m_frameToolBar = toolbar;
}
#endif // wxUSE_TOOLBAR
#if wxUSE_MENUS
// update all menus
-void wxFrameBase::DoMenuUpdates()
+void wxFrameBase::DoMenuUpdates(wxMenu* menu)
{
- wxMenuBar* bar = GetMenuBar();
-
-#ifdef __WXMSW__
- wxWindow* focusWin = wxFindFocusDescendant((wxWindow*) this);
-#else
- wxWindow* focusWin = (wxWindow*) NULL;
-#endif
- if ( bar != NULL )
+ if (menu)
{
- int nCount = bar->GetMenuCount();
- for (int n = 0; n < nCount; n++)
- DoMenuUpdates(bar->GetMenu(n), focusWin);
+ wxEvtHandler* source = GetEventHandler();
+ menu->UpdateUI(source);
}
-}
-
-// update a menu and all submenus recursively
-void wxFrameBase::DoMenuUpdates(wxMenu* menu, wxWindow* focusWin)
-{
- wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler();
- wxMenuItemList::Node* node = menu->GetMenuItems().GetFirst();
- while (node)
+ else
{
- wxMenuItem* item = node->GetData();
- if ( !item->IsSeparator() )
- {
- wxWindowID id = item->GetId();
- wxUpdateUIEvent event(id);
- event.SetEventObject( this );
-
- if (evtHandler->ProcessEvent(event))
- {
- if (event.GetSetText())
- menu->SetLabel(id, event.GetText());
- if (event.GetSetChecked())
- menu->Check(id, event.GetChecked());
- if (event.GetSetEnabled())
- menu->Enable(id, event.GetEnabled());
- }
-
- if (item->GetSubMenu())
- DoMenuUpdates(item->GetSubMenu(), (wxWindow*) NULL);
- }
- node = node->GetNext();
+ wxMenuBar* bar = GetMenuBar();
+ if (bar != NULL)
+ bar->UpdateMenus();
}
}
DetachMenuBar();
- AttachMenuBar(menubar);
+ this->AttachMenuBar(menubar);
+}
+
+wxMenuItem *wxFrameBase::FindItemInMenuBar(int menuId) const
+{
+ const wxMenuBar * const menuBar = GetMenuBar();
+
+ return menuBar ? menuBar->FindItem(menuId) : NULL;
}
#endif // wxUSE_MENUS
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