X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/92f1a59c288e0e181d2998a93220a73b89f675df..df6007a555a2c747ff379e3bd83d23ea310ca75d:/src/common/framecmn.cpp

diff --git a/src/common/framecmn.cpp b/src/common/framecmn.cpp
index e4456b0da6..df7261eefc 100644
--- a/src/common/framecmn.cpp
+++ b/src/common/framecmn.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// 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
@@ -16,10 +16,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "framebase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -27,31 +23,31 @@
     #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)
-#if wxUSE_MENUS && !wxUSE_IDLEMENUUPDATES
     EVT_MENU_OPEN(wxFrameBase::OnMenuOpen)
-#endif
+    EVT_MENU_CLOSE(wxFrameBase::OnMenuClose)
+
     EVT_MENU_HIGHLIGHT_ALL(wxFrameBase::OnMenuHighlight)
 END_EVENT_TABLE()
 
+#endif // wxUSE_MENUS && wxUSE_STATUSBAR
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -99,7 +95,7 @@ void wxFrameBase::DeleteAllBars()
     if ( m_frameMenuBar )
     {
         delete m_frameMenuBar;
-        m_frameMenuBar = (wxMenuBar *) NULL;
+        m_frameMenuBar = NULL;
     }
 #endif // wxUSE_MENUS
 
@@ -107,7 +103,7 @@ void wxFrameBase::DeleteAllBars()
     if ( m_frameStatusBar )
     {
         delete m_frameStatusBar;
-        m_frameStatusBar = (wxStatusBar *) NULL;
+        m_frameStatusBar = NULL;
     }
 #endif // wxUSE_STATUSBAR
 
@@ -115,7 +111,7 @@ void wxFrameBase::DeleteAllBars()
     if ( m_frameToolBar )
     {
         delete m_frameToolBar;
-        m_frameToolBar = (wxToolBar *) NULL;
+        m_frameToolBar = NULL;
     }
 #endif // wxUSE_TOOLBAR
 }
@@ -124,20 +120,22 @@ bool wxFrameBase::IsOneOfBars(const wxWindow *win) const
 {
 #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;
 }
 
 // ----------------------------------------------------------------------------
@@ -176,45 +174,52 @@ wxPoint wxFrameBase::GetClientAreaOrigin() const
 // 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);
@@ -223,46 +228,58 @@ void wxFrameBase::UpdateWindowUI(long flags)
 #if wxUSE_MENUS
     if (GetMenuBar())
     {
-        if ((flags & wxUPDATE_UI_FROMIDLE) && !wxUSE_IDLEMENUUPDATES)
-        {
-            // If coming from an idle event, we only
-            // want to update the menus if we're
-            // in the wxUSE_IDLEMENUUPDATES configuration:
-            // so if we're not, do nothing
-        }
-        else
+        // 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
+#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::OnMenuOpen(wxMenuEvent& event)
+{
+#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
 }
 
-void wxFrameBase::OnMenuOpen(wxMenuEvent& event)
-{
-#if wxUSE_MENUS && !wxUSE_IDLEMENUUPDATES
-    DoMenuUpdates(event.GetMenu());
-#endif
-}
-
 // ----------------------------------------------------------------------------
 // status bar stuff
 // ----------------------------------------------------------------------------
@@ -276,12 +293,10 @@ wxStatusBar* wxFrameBase::CreateStatusBar(int number,
 {
     // 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;
 }
@@ -328,47 +343,97 @@ void wxFrameBase::PopStatusText(int number)
     m_frameStatusBar->PopStatusText(number);
 }
 
-bool wxFrameBase::ShowMenuHelp(wxStatusBar *WXUNUSED(statbar), int menuId)
+bool wxFrameBase::ShowMenuHelp(int menuId)
 {
 #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 */;
-
-    if ( show )
+    if ( menuId != wxID_SEPARATOR && menuId != -3 /* wxID_TITLE */ )
     {
-        wxMenuBar *menuBar = GetMenuBar();
-        if ( menuBar )
-        {
-            // 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();
-        }
+        const wxMenuItem * const item = FindItemInMenuBar(menuId);
+        if ( item && !item->IsSeparator() )
+            helpString = item->GetHelp();
+
+        // 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, show);
+    DoGiveHelp(helpString, true);
 
-    return !helpString.IsEmpty();
+    return !helpString.empty();
 #else // !wxUSE_MENUS
-    return FALSE;
+    return false;
 #endif // wxUSE_MENUS/!wxUSE_MENUS
 }
 
+void wxFrameBase::SetStatusBar(wxStatusBar *statBar)
+{
+    bool hadBar = m_frameStatusBar != NULL;
+    m_frameStatusBar = statBar;
+
+    if ( (m_frameStatusBar != NULL) != hadBar )
+    {
+        PositionStatusBar();
+
+        DoLayout();
+    }
+}
+
 #endif // wxUSE_STATUSBAR
 
-void wxFrameBase::DoGiveHelp(const wxString& text, bool show)
+#if wxUSE_MENUS || wxUSE_TOOLBAR
+void wxFrameBase::DoGiveHelp(const wxString& help, bool show)
 {
 #if wxUSE_STATUSBAR
-    if ( m_statusBarPane < 0 ) return;
-    wxStatusBar* statbar = GetStatusBar();
-    if ( !statbar ) return;
+    if ( m_statusBarPane < 0 )
+    {
+        // status bar messages disabled
+        return;
+    }
+
+    wxStatusBar *statbar = GetStatusBar();
+    if ( !statbar )
+        return;
+
+    wxString text;
+    if ( show )
+    {
+        // 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() )
+        {
+            m_oldStatusText = statbar->GetStatusText(m_statusBarPane);
+            if ( m_oldStatusText.empty() )
+            {
+                // use special value to prevent us from doing this the next time
+                m_oldStatusText += _T('\0');
+            }
+        }
 
-    wxString help = show ? text : wxString();
-    statbar->SetStatusText( help, m_statusBarPane );
+        text = help;
+    }
+    else // hide help, restore the original text
+    {
+        text = m_oldStatusText;
+        m_oldStatusText.clear();
+    }
+
+    statbar->SetStatusText(text, m_statusBarPane);
+#else
+    wxUnusedVar(help);
+    wxUnusedVar(show);
 #endif // wxUSE_STATUSBAR
 }
+#endif // wxUSE_MENUS || wxUSE_TOOLBAR
 
 
 // ----------------------------------------------------------------------------
@@ -381,9 +446,9 @@ wxToolBar* wxFrameBase::CreateToolBar(long style,
                                       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") );
 
     if ( style == -1 )
@@ -398,7 +463,7 @@ wxToolBar* wxFrameBase::CreateToolBar(long style,
         style = wxBORDER_NONE | wxTB_HORIZONTAL | wxTB_FLAT;
     }
 
-    m_frameToolBar = OnCreateToolBar(style, id, name);
+    SetToolBar(OnCreateToolBar(style, id, name));
 
     return m_frameToolBar;
 }
@@ -407,9 +472,28 @@ wxToolBar* wxFrameBase::OnCreateToolBar(long style,
                                         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)
+{
+    bool hadBar = m_frameToolBar != NULL;
+    m_frameToolBar = toolbar;
+
+    if ( (m_frameToolBar != NULL) != hadBar )
+    {
+        PositionToolBar();
+
+        DoLayout();
+    }
 }
 
 #endif // wxUSE_TOOLBAR
@@ -423,16 +507,16 @@ wxToolBar* wxFrameBase::OnCreateToolBar(long style,
 // update all menus
 void wxFrameBase::DoMenuUpdates(wxMenu* menu)
 {
-    wxEvtHandler* source = GetEventHandler();
-    wxMenuBar* bar = GetMenuBar();
-
     if (menu)
+    {
+        wxEvtHandler* source = GetEventHandler();
         menu->UpdateUI(source);
-    else if ( bar != NULL )
+    }
+    else
     {
-        int nCount = bar->GetMenuCount();
-        for (int n = 0; n < nCount; n++)
-            bar->GetMenu(n)->UpdateUI(source);
+        wxMenuBar* bar = GetMenuBar();
+        if (bar != NULL)
+            bar->UpdateMenus();
     }
 }
 
@@ -464,7 +548,14 @@ void wxFrameBase::SetMenuBar(wxMenuBar *menubar)
 
     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