X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..74a8f67d96591cec101def2a7d47c64072aff7fd:/src/gtk/mdi.cpp diff --git a/src/gtk/mdi.cpp b/src/gtk/mdi.cpp index f82bf73350..760a4ac4ef 100644 --- a/src/gtk/mdi.cpp +++ b/src/gtk/mdi.cpp @@ -1,198 +1,438 @@ ///////////////////////////////////////////////////////////////////////////// -// 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" + +//----------------------------------------------------------------------------- +// "switch_page" +//----------------------------------------------------------------------------- + +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& pos, const wxSize& size, - long style, const wxString& name ) +wxMDIChildFrame::~wxMDIChildFrame() { - Create( parent, id, title, pos, 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& 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, pos, 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(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 ); + 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(GetParent()); + parent_frame->m_justInserted = true; +} +#endif // wxUSE_MDI