/////////////////////////////////////////////////////////////////////////////
-// Name: mdi.cpp
+// Name: src/gtk/mdi.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "mdi.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_MDI
#include "wx/mdi.h"
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/menu.h"
+#endif
+
+#include "wx/gtk/private.h"
+
//-----------------------------------------------------------------------------
-// wxMDIParentFrame
+// "switch_page"
//-----------------------------------------------------------------------------
-static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
-{
- if ((win->m_x == alloc->x) &&
- (win->m_y == alloc->y) &&
- (win->m_width == alloc->width) &&
- (win->m_height == alloc->height))
- {
- return;
- };
-
- win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
-};
+extern "C" {
+static void
+switch_page(GtkNotebook* widget, GtkNotebookPage*, guint page_num, wxMDIParentFrame* parent)
+{
+ // send deactivate event to old child
+
+ wxMDIChildFrame *child = parent->GetActiveChild();
+ if (child)
+ {
+ wxActivateEvent event1( wxEVT_ACTIVATE, false, child->GetId() );
+ event1.SetEventObject( child);
+ child->HandleWindowEvent( event1 );
+ }
+
+ // send activate event to new child
+
+ wxMDIClientWindowBase *client_window = parent->GetClientWindow();
+ if ( !client_window )
+ return;
+
+ child = NULL;
+ GtkWidget* page = gtk_notebook_get_nth_page(widget, page_num);
+
+ wxWindowList::compatibility_iterator node = client_window->GetChildren().GetFirst();
+ while ( node )
+ {
+ wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+
+ // child_frame can be NULL when this is called from dtor, probably
+ // because g_signal_connect (m_widget, "switch_page", (see below)
+ // isn't deleted early enough
+ if (child_frame && child_frame->m_widget == page)
+ {
+ child = child_frame;
+ break;
+ }
+ node = node->GetNext();
+ }
+
+ if (!child)
+ return;
+
+ wxActivateEvent event2( wxEVT_ACTIVATE, true, child->GetId() );
+ event2.SetEventObject( child);
+ child->HandleWindowEvent( event2 );
+}
+}
+//-----------------------------------------------------------------------------
+// wxMDIParentFrame
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
-wxMDIParentFrame::wxMDIParentFrame(void)
+void wxMDIParentFrame::Init()
{
- m_clientWindow = NULL;
- m_currentChild = NULL;
- m_parentFrameActive = TRUE;
-};
-
-wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
- wxWindowID id, const wxString& title,
- const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
+ m_justInserted = false;
+}
+
+bool wxMDIParentFrame::Create(wxWindow *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name )
{
- m_clientWindow = NULL;
- m_currentChild = NULL;
- m_parentFrameActive = TRUE;
- Create( parent, id, title, pos, size, style, name );
-};
+ if ( !wxFrame::Create( parent, id, title, pos, size, style, name ) )
+ return false;
-wxMDIParentFrame::~wxMDIParentFrame(void)
-{
-};
+ m_clientWindow = OnCreateClient();
+ if ( !m_clientWindow->CreateClient(this, GetWindowStyleFlag()) )
+ return false;
-bool wxMDIParentFrame::Create( wxWindow *parent,
- wxWindowID id, const wxString& title,
- const wxPoint& pos, const wxSize& size,
- long style, const wxString& name )
-{
- wxFrame::Create( parent, id, title, pos, size, style, name );
-
- OnCreateClient();
-
- return TRUE;
-};
+ return true;
+}
-void wxMDIParentFrame::OnSize( wxSizeEvent& event )
+void wxMDIParentFrame::OnInternalIdle()
{
- wxFrame::OnSize( event );
-};
-
-void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
+ /* if a MDI child window has just been inserted
+ it has to be brought to the top in idle time. we
+ simply set the last notebook page active as new
+ pages can only be appended at the end */
+
+ if (m_justInserted)
+ {
+ GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
+ gtk_notebook_set_current_page(notebook, -1);
+
+ /* need to set the menubar of the child */
+ wxMDIChildFrame *active_child_frame = GetActiveChild();
+ if (active_child_frame != NULL)
+ {
+ wxMenuBar *menu_bar = active_child_frame->m_menuBar;
+ if (menu_bar)
+ {
+ menu_bar->Attach(active_child_frame);
+ }
+ }
+ m_justInserted = false;
+ return;
+ }
+
+ wxFrame::OnInternalIdle();
+
+ wxMDIChildFrame *active_child_frame = GetActiveChild();
+ bool visible_child_menu = false;
+
+ wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
+ while (node)
+ {
+ wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+
+ if ( child_frame )
+ {
+ wxMenuBar *menu_bar = child_frame->m_menuBar;
+ if ( menu_bar )
+ {
+ if (child_frame == active_child_frame)
+ {
+ if (menu_bar->Show(true))
+ {
+ // Attach() asserts if we call it for an already
+ // attached menu bar so don't do it if we're already
+ // associated with this frame (it would be nice to get
+ // rid of this check and ensure that this doesn't
+ // happen...)
+ if ( menu_bar->GetFrame() != child_frame )
+ menu_bar->Attach( child_frame );
+ }
+ visible_child_menu = true;
+ }
+ else
+ {
+ if (menu_bar->Show(false))
+ {
+ menu_bar->Detach();
+ }
+ }
+ }
+ }
+
+ node = node->GetNext();
+ }
+
+ /* show/hide parent menu bar as required */
+ if ((m_frameMenuBar) &&
+ (m_frameMenuBar->IsShown() == visible_child_menu))
+ {
+ if (visible_child_menu)
+ {
+ m_frameMenuBar->Show( false );
+ m_frameMenuBar->Detach();
+ }
+ else
+ {
+ m_frameMenuBar->Show( true );
+ m_frameMenuBar->Attach( this );
+ }
+ }
+}
+
+void wxMDIParentFrame::DoGetClientSize(int* width, int* height) const
{
-};
-
-void wxMDIParentFrame::SetMenuBar( wxMenuBar *menu_bar )
+ wxFrame::DoGetClientSize(width, height);
+
+ if (height)
+ {
+ wxMDIChildFrame* active_child_frame = GetActiveChild();
+ if (active_child_frame)
+ {
+ wxMenuBar* menubar = active_child_frame->m_menuBar;
+ if (menubar && menubar->IsShown())
+ {
+ GtkRequisition req;
+ gtk_widget_size_request(menubar->m_widget, &req);
+ *height -= req.height;
+ if (*height < 0) *height = 0;
+ }
+ }
+ }
+}
+
+wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
{
- wxFrame::SetMenuBar( menu_bar );
-};
+ if (!m_clientWindow) return NULL;
-void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
-{
- wxFrame::GetClientSize( width, height );
-};
+ GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
+ if (!notebook) return NULL;
-wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
-{
- return m_currentChild;
-};
+ gint i = gtk_notebook_get_current_page( notebook );
+ if (i < 0) return NULL;
-wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
-{
- return m_clientWindow;
-};
+ GtkWidget* page = gtk_notebook_get_nth_page(notebook, i);
+ if (!page) return NULL;
-wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
-{
- m_clientWindow = new wxMDIClientWindow( this );
- return m_clientWindow;
-};
+ wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
+ while (node)
+ {
+ if ( wxPendingDelete.Member(node->GetData()) )
+ return NULL;
-void wxMDIParentFrame::ActivateNext(void)
-{
-};
+ wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
-void wxMDIParentFrame::ActivatePrevious(void)
+ if (!child_frame)
+ return NULL;
+
+ if (child_frame->m_widget == page)
+ return child_frame;
+
+ node = node->GetNext();
+ }
+
+ return NULL;
+}
+
+void wxMDIParentFrame::ActivateNext()
{
-};
+ if (m_clientWindow)
+ gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
+}
-void wxMDIParentFrame::OnSysColourChanged( wxSysColourChangedEvent& WXUNUSED(event) )
+void wxMDIParentFrame::ActivatePrevious()
{
-};
+ if (m_clientWindow)
+ gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
+}
//-----------------------------------------------------------------------------
// wxMDIChildFrame
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxPanel)
-
-wxMDIChildFrame::wxMDIChildFrame(void)
+IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
+
+BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
+ EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
+ EVT_MENU_HIGHLIGHT_ALL(wxMDIChildFrame::OnMenuHighlight)
+END_EVENT_TABLE()
+
+void wxMDIChildFrame::Init()
{
-};
+ m_menuBar = NULL;
+}
+
+bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& WXUNUSED(pos),
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ m_mdiParent = parent;
+ m_title = title;
+
+ return wxWindow::Create(parent->GetClientWindow(), id,
+ wxDefaultPosition, size,
+ style, name);
+}
-wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
- wxWindowID id, const wxString& title,
- const wxPoint& WXUNUSED(pos), const wxSize& size,
- long style, const wxString& name )
+wxMDIChildFrame::~wxMDIChildFrame()
{
- Create( parent, id, title, wxDefaultPosition, size, style, name );
-};
+ delete m_menuBar;
-wxMDIChildFrame::~wxMDIChildFrame(void)
+ // wxMDIClientWindow does not get redrawn properly after last child is removed
+ if (m_parent && m_parent->GetChildren().size() <= 1)
+ gtk_widget_queue_draw(m_parent->m_widget);
+}
+
+void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
{
-};
+ wxASSERT_MSG( m_menuBar == NULL, "Only one menubar allowed" );
+
+ m_menuBar = menu_bar;
+
+ if (m_menuBar)
+ {
+ wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
+
+ m_menuBar->SetParent( mdi_frame );
+
+ /* insert the invisible menu bar into the _parent_ mdi frame */
+ m_menuBar->Show(false);
+ gtk_box_pack_start(GTK_BOX(mdi_frame->m_mainWidget), m_menuBar->m_widget, false, false, 0);
+ gtk_box_reorder_child(GTK_BOX(mdi_frame->m_mainWidget), m_menuBar->m_widget, 0);
-bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
- wxWindowID id, const wxString& title,
- const wxPoint& WXUNUSED(pos), const wxSize& size,
- long style, const wxString& name )
+ gulong handler_id = g_signal_handler_find(
+ m_menuBar->m_widget,
+ GSignalMatchType(G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_DATA),
+ g_signal_lookup("size_request", GTK_TYPE_WIDGET),
+ 0, NULL, NULL, m_menuBar);
+ if (handler_id != 0)
+ g_signal_handler_disconnect(m_menuBar->m_widget, handler_id);
+ gtk_widget_set_size_request(m_menuBar->m_widget, -1, -1);
+ }
+}
+
+wxMenuBar *wxMDIChildFrame::GetMenuBar() const
+{
+ return m_menuBar;
+}
+
+GtkNotebook *wxMDIChildFrame::GTKGetNotebook() const
{
- m_title = title;
- return wxPanel::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
-};
+ wxMDIClientWindow * const
+ client = wxStaticCast(GetParent(), wxMDIClientWindow);
+ wxCHECK( client, NULL );
-void wxMDIChildFrame::SetMenuBar( wxMenuBar *WXUNUSED(menu_bar) )
+ return GTK_NOTEBOOK(client->m_widget);
+}
+
+void wxMDIChildFrame::Activate()
{
-};
+ GtkNotebook * const notebook = GTKGetNotebook();
+ wxCHECK_RET( notebook, "no parent notebook?" );
+
+ gint pageno = gtk_notebook_page_num( notebook, m_widget );
+ gtk_notebook_set_current_page( notebook, pageno );
+}
-void wxMDIChildFrame::Activate(void)
+void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
{
-};
+}
+
+void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
+{
+#if wxUSE_STATUSBAR
+ wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
+ if ( !ShowMenuHelp(event.GetMenuId()) )
+ {
+ // we don't have any help text for this item, but may be the MDI frame
+ // does?
+ mdi_frame->OnMenuHighlight(event);
+ }
+#endif // wxUSE_STATUSBAR
+}
+
+void wxMDIChildFrame::SetTitle( const wxString &title )
+{
+ if ( title == m_title )
+ return;
+
+ m_title = title;
+
+ GtkNotebook * const notebook = GTKGetNotebook();
+ wxCHECK_RET( notebook, "no parent notebook?" );
+ gtk_notebook_set_tab_label_text(notebook, m_widget, wxGTK_CONV( title ) );
+}
//-----------------------------------------------------------------------------
// wxMDIClientWindow
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
+IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow, wxWindow)
-wxMDIClientWindow::wxMDIClientWindow(void)
+wxMDIClientWindow::~wxMDIClientWindow()
{
-};
-
-wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
+ // disconnect our handler because our ~wxWindow (which is going to be called
+ // after this dtor) will call DestroyChildren(); in turns our children
+ // ~wxWindow dtors will call wxWindow::Show(false) and this will generate
+ // a call to gtk_mdi_page_change_callback with an invalid parent
+ // (because gtk_mdi_page_change_callback expects a wxMDIClientWindow but
+ // at that point of the dtor chain we are a simple wxWindow!)
+ g_signal_handlers_disconnect_by_func(m_widget, (void*)switch_page, GetParent());
+}
+
+bool wxMDIClientWindow::CreateClient(wxMDIParentFrame *parent, long style)
{
- CreateClient( parent, style );
-};
+ if ( !PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
+ !CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
+ style, wxDefaultValidator, "wxMDIClientWindow" ))
+ {
+ wxFAIL_MSG( "wxMDIClientWindow creation failed" );
+ return false;
+ }
-wxMDIClientWindow::~wxMDIClientWindow(void)
-{
-};
+ m_widget = gtk_notebook_new();
+ g_object_ref(m_widget);
-bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
-{
- m_needParent = TRUE;
-
- PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
+ g_signal_connect(m_widget, "switch_page", G_CALLBACK(switch_page), parent);
+
+ gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
+
+ m_parent->DoAddChild( this );
- m_widget = gtk_notebook_new();
-
- PostCreation();
-
- Show( TRUE );
-
- return TRUE;
-};
+ PostCreation();
-void wxMDIClientWindow::AddChild( wxWindow *child )
+ Show( true );
+
+ return true;
+}
+
+void wxMDIClientWindow::AddChildGTK(wxWindowGTK* child)
{
- m_children.Append( child );
-
- wxString s;
+ wxMDIChildFrame* child_frame = static_cast<wxMDIChildFrame*>(child);
+ wxString s = child_frame->GetTitle();
+ if ( s.empty() )
+ s = _("MDI child");
+
+ GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
+ gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
- if (child->IsKindOf(CLASSINFO(wxMDIChildFrame)))
- {
- wxMDIChildFrame* mdi_child = (wxMDIChildFrame*) child;
- s = mdi_child->m_title;
- };
-
- if (s.IsNull()) s = "MDI child";
-
- GtkWidget *label_widget;
- label_widget = gtk_label_new( s );
- gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
-
- gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
- GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
+ GtkNotebook* notebook = GTK_NOTEBOOK(m_widget);
- gtk_notebook_append_page( GTK_NOTEBOOK(m_widget), child->m_widget, label_widget );
-};
+ gtk_notebook_append_page( notebook, child->m_widget, label_widget );
+ wxMDIParentFrame* parent_frame = static_cast<wxMDIParentFrame*>(GetParent());
+ parent_frame->m_justInserted = true;
+}
+#endif // wxUSE_MDI
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