cleanup - reformatting; simplified OnPaint

[wxWidgets.git] / src / gtk / mdi.cpp

diff --git a/src/gtk/mdi.cpp b/src/gtk/mdi.cpp
index 3ec3c31969c621c4a4142fba4b623a2a6613b862..92604075e1362da4a51ad73e1567949e96478da3 100644 (file)
--- a/src/gtk/mdi.cpp
+++ b/src/gtk/mdi.cpp
@@ -1,18 +1,107 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        mdi.cpp
+// Name:        src/gtk/mdi.cpp

 // Purpose:
 // Author:      Robert Roebling
 // 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"

 
 #include "wx/mdi.h"
 
 #include "wx/mdi.h"

+#include "wx/notebook.h"
+
+#if wxUSE_MDI
+
+#include "wx/dialog.h"
+#include "wx/menu.h"
+#include "wx/intl.h"
+#include "wx/gtk/private.h"
+
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include "wx/gtk/win_gtk.h"
+
+//-----------------------------------------------------------------------------
+// constants
+//-----------------------------------------------------------------------------
+
+const int wxMENU_HEIGHT = 27;
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
+
+//-----------------------------------------------------------------------------
+// globals
+//-----------------------------------------------------------------------------
+
+extern wxList wxPendingDelete;
+
+//-----------------------------------------------------------------------------
+// "switch_page"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void
+gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
+                              GtkNotebookPage *page,
+                              gint WXUNUSED(page_num),
+                              wxMDIParentFrame *parent )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    // send deactivate event to old child
+
+    wxMDIChildFrame *child = parent->GetActiveChild();
+    if (child)
+    {
+        wxActivateEvent event1( wxEVT_ACTIVATE, false, child->GetId() );
+        event1.SetEventObject( child);
+        child->GetEventHandler()->ProcessEvent( event1 );
+    }
+
+    // send activate event to new child
+
+    wxMDIClientWindow *client_window = parent->GetClientWindow();
+    if (!client_window)
+        return;
+
+    child = (wxMDIChildFrame*) NULL;
+
+    wxWindowList::compatibility_iterator node = client_window->GetChildren().GetFirst();
+    while (node)
+    {
+        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
+        // CE: we come here in the destructor with a null child_frame - I think because
+        // g_signal_connect (m_widget, "switch_page", (see below)
+        // isn't deleted early enough
+        if (!child_frame)
+          return ;
+
+        if (child_frame->m_page == page)
+        {
+            child = child_frame;
+            break;
+        }
+        node = node->GetNext();
+    }
+
+    if (!child)
+         return;
+
+    wxActivateEvent event2( wxEVT_ACTIVATE, true, child->GetId() );
+    event2.SetEventObject( child);
+    child->GetEventHandler()->ProcessEvent( event2 );
+}
+}

 
 //-----------------------------------------------------------------------------
 // wxMDIParentFrame
 
 //-----------------------------------------------------------------------------
 // wxMDIParentFrame


@@ -20,125 +109,372 @@
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
 

-wxMDIParentFrame::wxMDIParentFrame(void)
+void wxMDIParentFrame::Init()

 {
 {

-  m_clientWindow = NULL;
-  m_currentChild = NULL;
-  m_parentFrameActive = TRUE;
-};
+    m_justInserted = false;
+    m_clientWindow = (wxMDIClientWindow *) NULL;
+}

 
 

-wxMDIParentFrame::wxMDIParentFrame( wxWindow *parent,
-      const wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      const long style, const wxString& name )
+wxMDIParentFrame::~wxMDIParentFrame()

 {
 {

-  m_clientWindow = NULL;
-  m_currentChild = NULL;
-  m_parentFrameActive = TRUE;
-  Create( parent, id, title, pos, size, style, name );
-};
-
-wxMDIParentFrame::~wxMDIParentFrame(void)
+}
+
+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 );

 
 

-bool wxMDIParentFrame::Create( wxWindow *parent,
-      const wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      const long style, const wxString& name )
-{
-  wxFrame::Create( parent, id, title, pos, size, style, name );
-  
-  OnCreateClient();
-  
-  return TRUE;
-};
+    OnCreateClient();

 
 

-void wxMDIParentFrame::OnSize( wxSizeEvent& event )
-{
-  wxFrame::OnSize( event );
-};
+    return true;
+}

 
 

-void wxMDIParentFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
+void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )

 {
 {

-};
+    wxFrame::GtkOnSize( x, y, width, height );

 
 

-void wxMDIParentFrame::SetMenuBar( wxMenuBar *menu_bar )
-{
-  wxFrame::SetMenuBar( menu_bar );
-};
+    wxMDIChildFrame *child_frame = GetActiveChild();
+    if (!child_frame) return;

 
 

-void wxMDIParentFrame::GetClientSize(int *width, int *height ) const
-{
-  wxFrame::GetClientSize( width, height );
-};
+    wxMenuBar *menu_bar = child_frame->m_menuBar;
+    if (!menu_bar) return;
+    if (!menu_bar->m_widget) return;
+
+    menu_bar->m_x = 0;
+    menu_bar->m_y = 0;
+    menu_bar->m_width = m_width;
+    menu_bar->m_height = wxMENU_HEIGHT;
+    gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                          menu_bar->m_widget,
+                          0, 0, m_width, wxMENU_HEIGHT );
+}

 
 

-wxMDIChildFrame *wxMDIParentFrame::GetActiveChild(void) const
+void wxMDIParentFrame::OnInternalIdle()

 {
 {

-  return m_currentChild;
-};
+    /* if a an 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, g_list_length( notebook->children ) - 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->m_width = m_width;
+                menu_bar->m_height = wxMENU_HEIGHT;
+                gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                    menu_bar->m_widget,
+                                    0, 0, m_width, wxMENU_HEIGHT );
+                menu_bar->SetInvokingWindow(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))
+                    {
+                        menu_bar->m_width = m_width;
+                        menu_bar->m_height = wxMENU_HEIGHT;
+                        gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                            menu_bar->m_widget,
+                                            0, 0, m_width, wxMENU_HEIGHT );
+                        menu_bar->SetInvokingWindow( child_frame );
+                    }
+                    visible_child_menu = true;
+                }
+                else
+                {
+                    if (menu_bar->Show(false))
+                    {
+                        menu_bar->UnsetInvokingWindow( child_frame );
+                    }
+                }
+            }
+        }
+
+        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->UnsetInvokingWindow( this );
+        }
+        else
+        {
+            m_frameMenuBar->Show( true );
+            m_frameMenuBar->SetInvokingWindow( this );
+
+            m_frameMenuBar->m_width = m_width;
+            m_frameMenuBar->m_height = wxMENU_HEIGHT;
+            gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
+                                m_frameMenuBar->m_widget,
+                                0, 0, m_width, wxMENU_HEIGHT );
+        }
+    }
+}
+
+void wxMDIParentFrame::DoGetClientSize(int *width, int *height ) const
+{
+    wxFrame::DoGetClientSize( width, height );
+}

 
 

-wxMDIClientWindow *wxMDIParentFrame::GetClientWindow(void) const
+wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const

 {
 {

-  return m_clientWindow;
-};
+    if (!m_clientWindow) return (wxMDIChildFrame*) NULL;
+
+    GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
+    if (!notebook) return (wxMDIChildFrame*) NULL;
+
+    gint i = gtk_notebook_get_current_page( notebook );
+    if (i < 0) return (wxMDIChildFrame*) NULL;
+
+    GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
+    if (!page) return (wxMDIChildFrame*) NULL;
+
+    wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
+    while (node)
+    {
+        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );

 
 

-wxMDIClientWindow *wxMDIParentFrame::OnCreateClient(void)
+        wxASSERT_MSG( child_frame, _T("child is not a wxMDIChildFrame") );
+
+        if (child_frame->m_page == page)
+            return child_frame;
+        node = node->GetNext();
+    }
+
+    return (wxMDIChildFrame*) NULL;
+}
+
+wxMDIClientWindow *wxMDIParentFrame::GetClientWindow() const

 {
 {

-  m_clientWindow = new wxMDIClientWindow( this );
-  return m_clientWindow;
-};
+    return m_clientWindow;
+}

 
 

-void wxMDIParentFrame::ActivateNext(void)
+wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()

 {
 {

-};
+    m_clientWindow = new wxMDIClientWindow( this );
+    return m_clientWindow;
+}

 
 

-void wxMDIParentFrame::ActivatePrevious(void)
+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
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // 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()
+
+wxMDIChildFrame::wxMDIChildFrame()

 {
 {

-};
+    m_menuBar = (wxMenuBar *) NULL;
+    m_page = (GtkNotebookPage *) NULL;
+}

 
 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
 
 wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,

-      const wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      const long style, const wxString& name )
+      wxWindowID id, const wxString& title,
+      const wxPoint& WXUNUSED(pos), const wxSize& size,
+      long style, const wxString& name )

 {
 {

-  Create( parent, id, title, pos, size, style, name );
-};
+    m_menuBar = (wxMenuBar *) NULL;
+    m_page = (GtkNotebookPage *) NULL;
+    Create( parent, id, title, wxDefaultPosition, size, style, name );
+}

 
 

-wxMDIChildFrame::~wxMDIChildFrame(void)
+wxMDIChildFrame::~wxMDIChildFrame()

 {
 {

-};
+    if (m_menuBar)
+        delete m_menuBar;
+}

 
 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
 
 bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,

-      const wxWindowID id, const wxString& title,
-      const wxPoint& pos, const wxSize& size,
-      const long style, const wxString& name )
+      wxWindowID id, const wxString& title,
+      const wxPoint& WXUNUSED(pos), const wxSize& size,
+      long style, const wxString& name )
+{
+    m_title = title;
+
+    return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
+}
+
+void wxMDIChildFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
+{
+    wxWindow::DoSetSize( x, y, width, height, sizeFlags );
+}
+
+void wxMDIChildFrame::DoSetClientSize(int width, int height)

 {
 {

-  m_title = title;
-  return wxPanel::Create( parent->GetClientWindow(), id, pos, size, style, name );
-};
+    wxWindow::DoSetClientSize( width, height );
+}

 
 

-void wxMDIChildFrame::SetMenuBar( wxMenuBar *WXUNUSED(menu_bar) )
+void wxMDIChildFrame::DoGetClientSize( int *width, int *height ) const

 {
 {

-};
+    wxWindow::DoGetClientSize( width, height );
+}

 
 

-void wxMDIChildFrame::Activate(void)
+void wxMDIChildFrame::AddChild( wxWindowBase *child )

 {
 {

-};
+    wxWindow::AddChild(child);
+}
+
+void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
+{
+    wxASSERT_MSG( m_menuBar == NULL, wxT("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 */
+        gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget),
+                         m_menuBar->m_widget,
+                         0, 0,  mdi_frame->m_width, wxMENU_HEIGHT );
+    }
+}
+
+wxMenuBar *wxMDIChildFrame::GetMenuBar() const
+{
+    return m_menuBar;
+}
+
+void wxMDIChildFrame::Activate()
+{
+    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
+    GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
+    gint pageno = gtk_notebook_page_num( notebook, m_widget );
+    gtk_notebook_set_current_page( notebook, pageno );
+}
+
+void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
+{
+}
+
+void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
+{
+#if wxUSE_STATUSBAR
+    wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
+    if ( !ShowMenuHelp(mdi_frame->GetStatusBar(), 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;
+
+    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
+    GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
+    gtk_notebook_set_tab_label_text(notebook, m_widget, wxGTK_CONV( title ) );
+}
+
+//-----------------------------------------------------------------------------
+// "size_allocate"
+//-----------------------------------------------------------------------------
+
+extern "C" {
+static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if ((win->m_x == alloc->x) &&
+        (win->m_y == alloc->y) &&
+        (win->m_width == alloc->width) &&
+        (win->m_height == alloc->height) &&
+        (win->m_sizeSet))
+    {
+        return;
+    }
+
+    win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
+}
+}
+
+//-----------------------------------------------------------------------------
+// InsertChild callback for wxMDIClientWindow
+//-----------------------------------------------------------------------------
+
+static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
+{
+    wxString s = child->GetTitle();
+    if (s.IsNull()) s = _("MDI child");
+
+    GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
+    gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
+
+    g_signal_connect (child->m_widget, "size_allocate",
+                      G_CALLBACK (gtk_page_size_callback), child);
+
+    GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
+
+    gtk_notebook_append_page( notebook, child->m_widget, label_widget );
+
+    child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
+
+    wxMDIParentFrame *parent_frame = (wxMDIParentFrame*) parent->GetParent();
+    parent_frame->m_justInserted = true;
+}

 
 //-----------------------------------------------------------------------------
 // wxMDIClientWindow
 
 //-----------------------------------------------------------------------------
 // wxMDIClientWindow


@@ -146,53 +482,47 @@ void wxMDIChildFrame::Activate(void)
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
 

-wxMDIClientWindow::wxMDIClientWindow(void)
+wxMDIClientWindow::wxMDIClientWindow()

 {
 {

-};
+}

 
 

-wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, const long style )
+wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )

 {
 {

-  CreateClient( parent, style );
-};
+    CreateClient( parent, style );
+}

 
 

-wxMDIClientWindow::~wxMDIClientWindow(void)
+wxMDIClientWindow::~wxMDIClientWindow()

 {
 {

-};

 
 

-bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, const long style )
+}
+
+bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )

 {
 {

-  m_needParent = TRUE;
-  
-  PreCreation( parent, -1, wxPoint(10,10), wxSize(100,100), style, "wxMDIClientWindow" );
+    m_needParent = true;

 
 

-  m_widget = gtk_notebook_new();
-  
-  PostCreation();
-  
-  Show( TRUE );
-  
-  return TRUE;
-};
+    m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;

 
 

-void wxMDIClientWindow::AddChild( wxWindow *child )
-{
-  m_children.Append( child );
-  
-  wxString s;
+    if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
+        !CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
+    {
+        wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
+        return false;
+    }

 
 

-  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 );
+    m_widget = gtk_notebook_new();

 
 

-  gtk_notebook_append_page( GTK_NOTEBOOK(m_widget), child->m_widget, label_widget );
-};
+    g_signal_connect (m_widget, "switch_page",
+                      G_CALLBACK (gtk_mdi_page_change_callback), parent);

 
 

+    gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );

 
 

+    m_parent->DoAddChild( this );
+
+    PostCreation();
+
+    Show( true );
+
+    return true;
+}
+
+#endif