/////////////////////////////////////////////////////////////////////////////
-// Name: framecmn.cpp
+// Name: src/common/framecmn.cpp
// Purpose: common (for all platforms) wxFrame functions
// Author: Julian Smart, Vadim Zeitlin
// Created: 01/02/97
// Id: $Id$
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright: (c) 1998 Robert Roebling and Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
#include "wx/frame.h"
-void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
+#ifndef WX_PRECOMP
+ #include "wx/menu.h"
+ #include "wx/menuitem.h"
+ #include "wx/dcclient.h"
+ #include "wx/toolbar.h"
+ #include "wx/statusbr.h"
+#endif // WX_PRECOMP
+
+// ----------------------------------------------------------------------------
+// event table
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS && wxUSE_STATUSBAR
+
+BEGIN_EVENT_TABLE(wxFrameBase, wxTopLevelWindow)
+ 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
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// construction/destruction
+// ----------------------------------------------------------------------------
+
+wxFrameBase::wxFrameBase()
+{
+#if wxUSE_MENUS
+ m_frameMenuBar = NULL;
+#endif // wxUSE_MENUS
+
+#if wxUSE_TOOLBAR
+ m_frameToolBar = NULL;
+#endif // wxUSE_TOOLBAR
+
+#if wxUSE_STATUSBAR
+ m_frameStatusBar = NULL;
+#endif // wxUSE_STATUSBAR
+
+ m_statusBarPane = 0;
+}
+
+wxFrameBase::~wxFrameBase()
+{
+ // this destructor is required for Darwin
+}
+
+wxFrame *wxFrameBase::New(wxWindow *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ return new wxFrame(parent, id, title, pos, size, style, name);
+}
+
+void wxFrameBase::DeleteAllBars()
+{
+#if wxUSE_MENUS
+ wxDELETE(m_frameMenuBar);
+#endif // wxUSE_MENUS
+
+#if wxUSE_STATUSBAR
+ wxDELETE(m_frameStatusBar);
+#endif // wxUSE_STATUSBAR
+
+#if wxUSE_TOOLBAR
+ wxDELETE(m_frameToolBar);
+#endif // wxUSE_TOOLBAR
+}
+
+bool wxFrameBase::IsOneOfBars(const wxWindow *win) const
+{
+#if wxUSE_MENUS
+ if ( win == GetMenuBar() )
+ return true;
+#endif // wxUSE_MENUS
+
+#if wxUSE_STATUSBAR
+ if ( win == GetStatusBar() )
+ return true;
+#endif // wxUSE_STATUSBAR
+
+#if wxUSE_TOOLBAR
+ if ( win == GetToolBar() )
+ return true;
+#endif // wxUSE_TOOLBAR
+
+ wxUnusedVar(win);
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// wxFrame size management: we exclude the areas taken by menu/status/toolbars
+// from the client area, so the client area is what's really available for the
+// frame contents
+// ----------------------------------------------------------------------------
+
+// get the origin of the client area in the client coordinates
+wxPoint wxFrameBase::GetClientAreaOrigin() const
+{
+ wxPoint pt = wxTopLevelWindow::GetClientAreaOrigin();
+
+#if wxUSE_TOOLBAR && !defined(__WXUNIVERSAL__)
+ wxToolBar *toolbar = GetToolBar();
+ if ( toolbar && toolbar->IsShown() )
+ {
+ int w, h;
+ toolbar->GetSize(&w, &h);
+
+ if ( toolbar->GetWindowStyleFlag() & wxTB_VERTICAL )
+ {
+ pt.x += w;
+ }
+ else
+ {
+ pt.y += h;
+ }
+ }
+#endif // wxUSE_TOOLBAR
+
+ return pt;
+}
+
+// ----------------------------------------------------------------------------
+// misc
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+bool wxFrameBase::ProcessCommand(int id)
+{
+ wxMenuBar *bar = GetMenuBar();
+ if ( !bar )
+ return false;
+
+ 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);
+
+ if (!item->IsEnabled())
+ return true;
+
+ if ((item->GetKind() == wxITEM_RADIO) && item->IsChecked() )
+ return true;
+
+ if (item->IsCheckable())
+ {
+ item->Toggle();
+
+ // use the new value
+ commandEvent.SetInt(item->IsChecked());
+ }
+
+ 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 for status bar updates from menus
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS && wxUSE_STATUSBAR
+
+void wxFrameBase::OnMenuHighlight(wxMenuEvent& event)
+{
+#if wxUSE_STATUSBAR
+ (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
+}
+
+// ----------------------------------------------------------------------------
+// status bar stuff
+// ----------------------------------------------------------------------------
+
+#if wxUSE_STATUSBAR
+
+wxStatusBar* wxFrameBase::CreateStatusBar(int number,
+ long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ // the main status bar can only be created once (or else it should be
+ // deleted before calling CreateStatusBar() again)
+ wxCHECK_MSG( !m_frameStatusBar, NULL,
+ wxT("recreating status bar in wxFrame") );
+
+ SetStatusBar(OnCreateStatusBar(number, style, id, name));
+
+ return m_frameStatusBar;
+}
+
+wxStatusBar *wxFrameBase::OnCreateStatusBar(int number,
+ long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ wxStatusBar *statusBar = new wxStatusBar(this, id, style, name);
+
+ statusBar->SetFieldsCount(number);
+
+ return statusBar;
+}
+
+void wxFrameBase::SetStatusText(const wxString& text, int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->SetStatusText(text, number);
+}
+
+void wxFrameBase::SetStatusWidths(int n, const int widths_field[] )
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set widths for") );
+
+ m_frameStatusBar->SetStatusWidths(n, widths_field);
+
+ PositionStatusBar();
+}
+
+void wxFrameBase::PushStatusText(const wxString& text, int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->PushStatusText(text, number);
+}
+
+void wxFrameBase::PopStatusText(int number)
+{
+ wxCHECK_RET( m_frameStatusBar != NULL, wxT("no statusbar to set text for") );
+
+ m_frameStatusBar->PopStatusText(number);
+}
+
+bool wxFrameBase::ShowMenuHelp(int menuId)
+{
+#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();
+
+ // 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
+}
+
+void wxFrameBase::SetStatusBar(wxStatusBar *statBar)
+{
+ 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)
{
- DoMenuUpdates();
+#if wxUSE_STATUSBAR
+ 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 += 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);
+
+ // also clear the old status text but remember it too to restore it
+ // below
+ text.swap(m_oldStatusText);
+
+ 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
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLBAR
+
+wxToolBar* wxFrameBase::CreateToolBar(long style,
+ wxWindowID id,
+ const wxString& name)
+{
+ // the main toolbar can't be recreated (unless it was explicitly deleted
+ // before)
+ wxCHECK_MSG( !m_frameToolBar, NULL,
+ wxT("recreating toolbar in wxFrame") );
+
+ 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;
+}
+
+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)
+{
+ 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
+
+// ----------------------------------------------------------------------------
+// menus
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
// update all menus
-void wxFrame::DoMenuUpdates()
+void wxFrameBase::DoMenuUpdates(wxMenu* menu)
{
- wxMenuBar* bar = GetMenuBar();
- if ( bar != NULL ) {
- int nCount = bar->GetMenuCount();
- for (int n = 0; n < nCount; n++)
- DoMenuUpdates(bar->GetMenu(n));
- }
+ if (menu)
+ {
+ wxEvtHandler* source = GetEventHandler();
+ menu->UpdateUI(source);
+ }
+ else
+ {
+ wxMenuBar* bar = GetMenuBar();
+ if (bar != NULL)
+ bar->UpdateMenus();
+ }
}
-// update a menu and all submenus recursively
-void wxFrame::DoMenuUpdates(wxMenu* menu)
+void wxFrameBase::DetachMenuBar()
{
- wxNode* node = menu->GetItems().First();
- while (node)
- {
- wxMenuItem* item = (wxMenuItem*) node->Data();
- if ( !item->IsSeparator() )
+ if ( m_frameMenuBar )
{
- wxWindowID id = item->GetId();
- wxUpdateUIEvent event(id);
- event.SetEventObject( this );
+ m_frameMenuBar->Detach();
+ m_frameMenuBar = NULL;
+ }
+}
- if (GetEventHandler()->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());
- }
+void wxFrameBase::AttachMenuBar(wxMenuBar *menubar)
+{
+ if ( menubar )
+ {
+ menubar->Attach((wxFrame *)this);
+ m_frameMenuBar = menubar;
+ }
+}
- if (item->GetSubMenu())
- DoMenuUpdates(item->GetSubMenu());
+void wxFrameBase::SetMenuBar(wxMenuBar *menubar)
+{
+ if ( menubar == GetMenuBar() )
+ {
+ // nothing to do
+ return;
}
- node = node->Next();
- }
+
+ DetachMenuBar();
+
+ this->AttachMenuBar(menubar);
}
+
+wxMenuItem *wxFrameBase::FindItemInMenuBar(int menuId) const
+{
+ const wxMenuBar * const menuBar = GetMenuBar();
+
+ return menuBar ? menuBar->FindItem(menuId) : NULL;
+}
+
+#endif // wxUSE_MENUS
projects / wxWidgets.git / blobdiff