X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43a18898651f71010606d8682fdf88cfc1c02193..c1fb8167e9d3bb0d62749d58fe6c9a5afc1bd3e3:/src/gtk1/dialog.cpp diff --git a/src/gtk1/dialog.cpp b/src/gtk1/dialog.cpp index 5df777a91e..a4532f5d19 100644 --- a/src/gtk1/dialog.cpp +++ b/src/gtk1/dialog.cpp @@ -4,7 +4,7 @@ // Author: Robert Roebling // Id: $Id$ // Copyright: (c) 1998 Robert Roebling -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -14,30 +14,204 @@ #include "wx/dialog.h" #include "wx/frame.h" #include "wx/app.h" +#include "wx/cursor.h" + +#include +#include +#include + #include "wx/gtk/win_gtk.h" +//----------------------------------------------------------------------------- +// idle system +//----------------------------------------------------------------------------- + +extern void wxapp_install_idle_handler(); +extern bool g_isIdle; +extern int g_openDialogs; + +//----------------------------------------------------------------------------- +// data //----------------------------------------------------------------------------- extern wxList wxPendingDelete; +//----------------------------------------------------------------------------- +// "focus" from m_window +//----------------------------------------------------------------------------- + +static gint gtk_dialog_focus_callback( GtkWidget *widget, GtkDirectionType WXUNUSED(d), wxWindow *WXUNUSED(win) ) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + // This disables GTK's tab traversal + gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "focus" ); + return TRUE; +} + //----------------------------------------------------------------------------- // "delete_event" //----------------------------------------------------------------------------- bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win ) -{ -/* - printf( "OnDelete from " ); - if (win->GetClassInfo() && win->GetClassInfo()->GetClassName()) - printf( win->GetClassInfo()->GetClassName() ); - printf( ".\n" ); -*/ - - win->Close(); +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + if (win->IsEnabled()) + win->Close(); return TRUE; } +//----------------------------------------------------------------------------- +// "size_allocate" +//----------------------------------------------------------------------------- + +static void gtk_dialog_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxDialog *win ) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + if (!win->m_hasVMT) return; + + if ((win->m_width != alloc->width) || (win->m_height != alloc->height)) + { + win->m_width = alloc->width; + win->m_height = alloc->height; + win->GtkUpdateSize(); + } +} + +//----------------------------------------------------------------------------- +// "configure_event" +//----------------------------------------------------------------------------- + +static gint +#if (GTK_MINOR_VERSION > 0) +gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDialog *win ) +#else +gtk_dialog_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *event, wxDialog *win ) +#endif +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + if (!win->m_hasVMT) return FALSE; + +#if (GTK_MINOR_VERSION > 0) + int x = 0; + int y = 0; + gdk_window_get_root_origin( win->m_widget->window, &x, &y ); + win->m_x = x; + win->m_y = y; +#else + win->m_x = event->x; + win->m_y = event->y; +#endif + + wxMoveEvent mevent( wxPoint(win->m_x,win->m_y), win->GetId() ); + mevent.SetEventObject( win ); + win->GetEventHandler()->ProcessEvent( mevent ); + + return FALSE; +} + +//----------------------------------------------------------------------------- +// "realize" from m_widget +//----------------------------------------------------------------------------- + +/* we cannot MWM hints and icons before the widget has been realized, + so we do this directly after realization */ + +static gint +gtk_dialog_realized_callback( GtkWidget * WXUNUSED(widget), wxDialog *win ) +{ + if (g_isIdle) + wxapp_install_idle_handler(); + + /* all this is for Motif Window Manager "hints" and is supposed to be + recognized by other WM as well. not tested. */ + long decor = (long) GDK_DECOR_BORDER; + long func = (long) GDK_FUNC_MOVE ; + + /* Some WM don't display any border around the frame contents if + used with these hints, so we add a resize border around it, + without automatically allowinng it to be resized though. + + This avoids the problem, but looks odd. What shall we do? + */ + decor |= GDK_DECOR_RESIZEH; + + if ((win->GetWindowStyle() & wxCAPTION) != 0) + decor |= GDK_DECOR_TITLE; + if ((win->GetWindowStyle() & wxSYSTEM_MENU) != 0) + { + decor |= GDK_DECOR_MENU; + func |= GDK_FUNC_CLOSE; + } + if ((win->GetWindowStyle() & wxMINIMIZE_BOX) != 0) + { + func |= GDK_FUNC_MINIMIZE; + decor |= GDK_DECOR_MINIMIZE; + } + if ((win->GetWindowStyle() & wxMAXIMIZE_BOX) != 0) + { + decor |= GDK_DECOR_MAXIMIZE; + func |= GDK_FUNC_MAXIMIZE; + } + if ((win->GetWindowStyle() & wxRESIZE_BORDER) != 0) + { + func |= GDK_FUNC_RESIZE; + decor |= GDK_DECOR_RESIZEH; + } + gdk_window_set_decorations( win->m_widget->window, (GdkWMDecoration)decor); + gdk_window_set_functions( win->m_widget->window, (GdkWMFunction)func); + + /* GTK's shrinking/growing policy */ + if ((win->GetWindowStyle() & wxRESIZE_BORDER) == 0) + gtk_window_set_policy(GTK_WINDOW(win->m_widget), 0, 0, 1); + else + gtk_window_set_policy(GTK_WINDOW(win->m_widget), 1, 1, 1); + + /* reset the icon */ + if (win->m_icon != wxNullIcon) + { + wxIcon icon( win->m_icon ); + win->m_icon = wxNullIcon; + win->SetIcon( icon ); + } + + return FALSE; +} + +//----------------------------------------------------------------------------- +// InsertChild for wxDialog +//----------------------------------------------------------------------------- + +/* Callback for wxFrame. This very strange beast has to be used because + * C++ has no virtual methods in a constructor. We have to emulate a + * virtual function here as wxWindows requires different ways to insert + * a child in container classes. */ + +static void wxInsertChildInDialog( wxDialog* parent, wxWindow* child ) +{ + gtk_pizza_put( GTK_PIZZA(parent->m_wxwindow), + GTK_WIDGET(child->m_widget), + child->m_x, + child->m_y, + child->m_width, + child->m_height ); + + if (parent->HasFlag(wxTAB_TRAVERSAL)) + { + /* we now allow a window to get the focus as long as it + doesn't have any children. */ + GTK_WIDGET_UNSET_FLAGS( parent->m_wxwindow, GTK_CAN_FOCUS ); + } +} + //----------------------------------------------------------------------------- // wxDialog //----------------------------------------------------------------------------- @@ -46,82 +220,119 @@ BEGIN_EVENT_TABLE(wxDialog,wxPanel) EVT_BUTTON (wxID_OK, wxDialog::OnOK) EVT_BUTTON (wxID_CANCEL, wxDialog::OnCancel) EVT_BUTTON (wxID_APPLY, wxDialog::OnApply) + EVT_SIZE (wxDialog::OnSize) EVT_CLOSE (wxDialog::OnCloseWindow) END_EVENT_TABLE() IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxPanel) -wxDialog::wxDialog() +void wxDialog::Init() { - m_title = ""; + m_returnCode = 0; + m_sizeSet = FALSE; m_modalShowing = FALSE; - wxTopLevelWindows.Insert( this ); + m_themeEnabled = TRUE; } -wxDialog::wxDialog( wxWindow *parent, +wxDialog::wxDialog( wxWindow *parent, wxWindowID id, const wxString &title, - const wxPoint &pos, const wxSize &size, + const wxPoint &pos, const wxSize &size, long style, const wxString &name ) { - m_modalShowing = FALSE; - wxTopLevelWindows.Insert( this ); + Init(); + Create( parent, id, title, pos, size, style, name ); } bool wxDialog::Create( wxWindow *parent, wxWindowID id, const wxString &title, - const wxPoint &pos, const wxSize &size, + const wxPoint &pos, const wxSize &size, long style, const wxString &name ) { + wxTopLevelWindows.Append( this ); + m_needParent = FALSE; - - PreCreation( parent, id, pos, size, style, name ); - - m_widget = gtk_window_new( GTK_WINDOW_TOPLEVEL ); + + if (!PreCreation( parent, pos, size ) || + !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) + { + wxFAIL_MSG( wxT("wxDialog creation failed") ); + return FALSE; + } + + // All dialogs should really have this style + m_windowStyle |= wxTAB_TRAVERSAL; + + m_insertCallback = (wxInsertChildFunction) wxInsertChildInDialog; + + m_widget = gtk_window_new( GTK_WINDOW_DIALOG ); + + if ((m_parent) && (GTK_IS_WINDOW(m_parent->m_widget))) + gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) ); + + if (!name.IsEmpty()) + gtk_window_set_wmclass( GTK_WINDOW(m_widget), name.mb_str(), name.mb_str() ); + GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); - - gtk_widget_set( m_widget, "GtkWindow::allow_shrink", TRUE, NULL); - - gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", + + gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event", GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); - - m_wxwindow = gtk_myfixed_new(); + + m_wxwindow = gtk_pizza_new(); gtk_widget_show( m_wxwindow ); GTK_WIDGET_UNSET_FLAGS( m_wxwindow, GTK_CAN_FOCUS ); - + gtk_container_add( GTK_CONTAINER(m_widget), m_wxwindow ); - + SetTitle( title ); - + + if (m_parent) m_parent->AddChild( this ); + + PostCreation(); + if ((m_x != -1) || (m_y != -1)) gtk_widget_set_uposition( m_widget, m_x, m_y ); - gtk_widget_set_usize( m_widget, m_width, m_height ); - - if (m_parent) m_parent->AddChild( this ); - - - PostCreation(); - + + /* we cannot set MWM hints before the widget has + been realized, so we do this directly after realization */ + gtk_signal_connect( GTK_OBJECT(m_widget), "realize", + GTK_SIGNAL_FUNC(gtk_dialog_realized_callback), (gpointer) this ); + + /* the user resized the frame by dragging etc. */ + gtk_signal_connect( GTK_OBJECT(m_widget), "size_allocate", + GTK_SIGNAL_FUNC(gtk_dialog_size_callback), (gpointer)this ); + + gtk_signal_connect( GTK_OBJECT(m_widget), "configure_event", + GTK_SIGNAL_FUNC(gtk_dialog_configure_callback), (gpointer)this ); + + /* disable native tab traversal */ + gtk_signal_connect( GTK_OBJECT(m_widget), "focus", + GTK_SIGNAL_FUNC(gtk_dialog_focus_callback), (gpointer)this ); + return TRUE; } wxDialog::~wxDialog() { - wxTopLevelWindows.DeleteObject( this ); - if (wxTopLevelWindows.Number() == 0) wxTheApp->ExitMainLoop(); + CleanUp(); + + if ((wxTopLevelWindows.Number() == 0) && + (wxTheApp->GetExitOnFrameDelete())) + { + wxTheApp->ExitMainLoop(); + } } void wxDialog::SetTitle( const wxString& title ) { m_title = title; - if (m_title.IsNull()) m_title = ""; - gtk_window_set_title( GTK_WINDOW(m_widget), m_title ); + gtk_window_set_title( GTK_WINDOW(m_widget), m_title.mbc_str() ); } wxString wxDialog::GetTitle() const { - return (wxString&)m_title; + return m_title; } void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) ) @@ -138,78 +349,142 @@ void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) ) else { SetReturnCode(wxID_CANCEL); - this->Show(FALSE); + Show(FALSE); } } void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) ) { - if ( Validate() && TransferDataFromWindow()) + if (Validate() && TransferDataFromWindow()) { - if (IsModal()) + if (IsModal()) { EndModal(wxID_OK); } else { SetReturnCode(wxID_OK); - this->Show(FALSE); + Show(FALSE); } } } void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) ) { - // yes + // yes } -bool wxDialog::OnClose() +void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) { - static wxList closing; + // We'll send a Cancel message by default, + // which may close the dialog. + // Check for looping if the Cancel event handler calls Close(). + + // Note that if a cancel button and handler aren't present in the dialog, + // nothing will happen when you close the dialog via the window manager, or + // via Close(). + // We wouldn't want to destroy the dialog by default, since the dialog may have been + // created on the stack. + // However, this does mean that calling dialog->Close() won't delete the dialog + // unless the handler for wxID_CANCEL does so. So use Destroy() if you want to be + // sure to destroy the dialog. + // The default OnCancel (above) simply ends a modal dialog, and hides a modeless dialog. + + static wxList s_closing; - if (closing.Member(this)) return FALSE; // no loops - - closing.Append(this); + if (s_closing.Member(this)) + return; // no loops + + s_closing.Append(this); wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); cancelEvent.SetEventObject( this ); GetEventHandler()->ProcessEvent(cancelEvent); - closing.DeleteObject(this); - - return FALSE; + s_closing.DeleteObject(this); } bool wxDialog::Destroy() { - if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this); + // schedule the dialog for the deletion + if ( !wxPendingDelete.Member(this) ) + { + wxPendingDelete.Append(this); + } + + // don't leave a dangling pointer as the app top window, we can be deleted + // any moment at all now! + CleanUp(); return TRUE; } -void wxDialog::OnCloseWindow( wxCloseEvent& event ) +void wxDialog::CleanUp() +{ + m_isBeingDeleted = TRUE; + + if ( wxTheApp->GetTopWindow() == this ) + { + wxTheApp->SetTopWindow( (wxWindow*) NULL ); + } + + wxTopLevelWindows.DeleteObject( this ); +} + +void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) ) { - if (GetEventHandler()->OnClose() || event.GetForce()) + wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); + +#if wxUSE_CONSTRAINTS + if (GetAutoLayout()) + { + Layout(); + } + else +#endif // wxUSE_CONSTRAINTS { - this->Destroy(); + /* no child: go out ! */ + if (!GetChildren().First()) return; + + /* do we have exactly one child? */ + wxWindow *child = (wxWindow *) NULL; + for(wxNode *node = GetChildren().First(); node; node = node->Next()) + { + wxWindow *win = (wxWindow *)node->Data(); + if (!wxIS_KIND_OF(win,wxFrame) && !wxIS_KIND_OF(win,wxDialog)) + { + /* it's the second one: do nothing */ + if (child) return; + child = win; + } + } + + /* yes: set it's size to fill all the frame */ + int client_x, client_y; + GetClientSize( &client_x, &client_y ); + child->SetSize( 1, 1, client_x-2, client_y); } } -void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags ) +void wxDialog::DoMoveWindow(int WXUNUSED(x), int WXUNUSED(y), int WXUNUSED(width), int WXUNUSED(height) ) { - wxASSERT_MSG( (m_widget != NULL), "invalid window" ); - - // Don't do anything for children of wxMDIChildFrame - if (!m_wxwindow) return; + wxFAIL_MSG( wxT("DoMoveWindow called for wxDialog") ); +} + +void wxDialog::DoSetSize( int x, int y, int width, int height, int sizeFlags ) +{ + wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); + wxASSERT_MSG( (m_wxwindow != NULL), wxT("invalid dialog") ); - if (m_resizing) return; // I don't like recursions + if (m_resizing) return; /* I don't like recursions */ m_resizing = TRUE; int old_x = m_x; int old_y = m_y; + int old_width = m_width; int old_height = m_height; - - if ((sizeFlags & wxSIZE_USE_EXISTING) == wxSIZE_USE_EXISTING) + + if ((sizeFlags & wxSIZE_ALLOW_MINUS_ONE) == 0) { if (x != -1) m_x = x; if (y != -1) m_y = y; @@ -224,6 +499,7 @@ void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags ) m_height = height; } +/* if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) { if (width == -1) m_width = 80; @@ -233,62 +509,103 @@ void wxDialog::SetSize( int x, int y, int width, int height, int sizeFlags ) { if (height == -1) m_height = 26; } - +*/ + if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth; if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight; - if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_minWidth; - if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_minHeight; + if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth; + if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; if ((m_x != -1) || (m_y != -1)) { - if ((m_x != old_x) || (m_y != old_y)) + if ((m_x != old_x) || (m_y != old_y)) + { + /* we set the position here and when showing the dialog + for the first time in idle time */ gtk_widget_set_uposition( m_widget, m_x, m_y ); + } } - + if ((m_width != old_width) || (m_height != old_height)) { gtk_widget_set_usize( m_widget, m_width, m_height ); - } - - m_sizeSet = TRUE; - wxSizeEvent event( wxSize(m_width,m_height), GetId() ); - event.SetEventObject( this ); - ProcessEvent( event ); + /* actual resizing is deferred to GtkOnSize in idle time and + when showing the dialog */ + m_sizeSet = FALSE; + } m_resizing = FALSE; } -void wxDialog::SetSize( int width, int height ) +void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) { - SetSize( -1, -1, width, height, wxSIZE_USE_EXISTING ); + // due to a bug in gtk, x,y are always 0 + // m_x = x; + // m_y = y; + + if ((m_height == height) && (m_width == width) && (m_sizeSet)) return; + if (!m_wxwindow) return; + + m_width = width; + m_height = height; + + if ((m_minWidth != -1) && (m_width < m_minWidth)) m_width = m_minWidth; + if ((m_minHeight != -1) && (m_height < m_minHeight)) m_height = m_minHeight; + if ((m_maxWidth != -1) && (m_width > m_maxWidth)) m_width = m_maxWidth; + if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; + + /* set size hints */ + gint flag = 0; // GDK_HINT_POS; + if ((m_minWidth != -1) || (m_minHeight != -1)) flag |= GDK_HINT_MIN_SIZE; + if ((m_maxWidth != -1) || (m_maxHeight != -1)) flag |= GDK_HINT_MAX_SIZE; + GdkGeometry geom; + geom.min_width = m_minWidth; + geom.min_height = m_minHeight; + geom.max_width = m_maxWidth; + geom.max_height = m_maxHeight; + gtk_window_set_geometry_hints( GTK_WINDOW(m_widget), + (GtkWidget*) NULL, + &geom, + (GdkWindowHints) flag ); + + m_sizeSet = TRUE; + + wxSizeEvent event( wxSize(m_width,m_height), GetId() ); + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent( event ); } -void wxDialog::Centre( int direction ) +void wxDialog::OnInternalIdle() { - wxASSERT_MSG( (m_widget != NULL), "invalid frame" ); - - int x = 0; - int y = 0; - - if (direction & wxHORIZONTAL == wxHORIZONTAL) x = (gdk_screen_width () - m_width) / 2; - if (direction & wxVERTICAL == wxVERTICAL) y = (gdk_screen_height () - m_height) / 2; - - Move( x, y ); + if (!m_sizeSet && GTK_WIDGET_REALIZED(m_wxwindow)) + GtkOnSize( m_x, m_y, m_width, m_height ); + + wxWindow::OnInternalIdle(); } bool wxDialog::Show( bool show ) { if (!show && IsModal()) { - EndModal( wxID_CANCEL ); + EndModal( wxID_CANCEL ); } - wxWindow::Show( show ); - + if (show && !m_sizeSet) + { + /* by calling GtkOnSize here, we don't have to call + either after showing the frame, which would entail + much ugly flicker nor from within the size_allocate + handler, because GTK 1.1.X forbids that. */ + + GtkOnSize( m_x, m_y, m_width, m_height ); + } + + bool ret = wxWindow::Show( show ); + if (show) InitDialog(); - - return TRUE; + + return ret; } bool wxDialog::IsModal() const @@ -304,42 +621,60 @@ void wxDialog::SetModal( bool WXUNUSED(flag) ) else if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL; */ - wxFAIL_MSG( "wxDialog:SetModal obsolete now" ); + wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") ); } int wxDialog::ShowModal() { if (IsModal()) { - wxFAIL_MSG( "wxDialog:ShowModal called twice" ); + wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") ); return GetReturnCode(); } + // use the apps top level window as parent if none given unless explicitly + // forbidden + if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) + { + wxWindow *parent = wxTheApp->GetTopWindow(); + if ( parent && parent != this ) + { + m_parent = parent; + gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(parent->m_widget) ); + } + } + + wxBusyCursorSuspender cs; // temporarily suppress the busy cursor + Show( TRUE ); - + m_modalShowing = TRUE; - + + g_openDialogs++; + gtk_grab_add( m_widget ); gtk_main(); gtk_grab_remove( m_widget ); - + + g_openDialogs--; + return GetReturnCode(); } void wxDialog::EndModal( int retCode ) { SetReturnCode( retCode ); - + if (!IsModal()) { - wxFAIL_MSG( "wxDialog:EndModal called twice" ); + wxFAIL_MSG( wxT("wxDialog:EndModal called twice") ); return; } - + m_modalShowing = FALSE; - + gtk_main_quit(); - + Show( FALSE ); } @@ -352,10 +687,12 @@ void wxDialog::SetIcon( const wxIcon &icon ) { m_icon = icon; if (!icon.Ok()) return; - + + if (!m_widget->window) return; + wxMask *mask = icon.GetMask(); GdkBitmap *bm = (GdkBitmap *) NULL; if (mask) bm = mask->GetBitmap(); - + gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm ); }