X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8487f8874288a8e4fe40ead153c73dfc7777f41b..c3e433b15929171af57df3c9c3c63d6ab8aa720b:/src/gtk/dialog.cpp diff --git a/src/gtk/dialog.cpp b/src/gtk/dialog.cpp index 156cd6f955..2a2e83a0e0 100644 --- a/src/gtk/dialog.cpp +++ b/src/gtk/dialog.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dialog.cpp +// Name: src/gtk/dialog.cpp // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,236 +7,39 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "dialog.h" -#endif +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" #include "wx/dialog.h" -#include "wx/frame.h" -#include "wx/app.h" -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#include "wx/gtk/win_gtk.h" -#include "wx/cursor.h" +#ifndef WX_PRECOMP + #include "wx/cursor.h" +#endif // WX_PRECOMP -/* -#include "gdk/gdkprivate.h" -#include "gdk/gdkx.h" -*/ +#include "wx/evtloop.h" -//----------------------------------------------------------------------------- -// idle system -//----------------------------------------------------------------------------- - -extern void wxapp_install_idle_handler(); -extern bool g_isIdle; - -//----------------------------------------------------------------------------- -// data -//----------------------------------------------------------------------------- - -extern wxList wxPendingDelete; - -//----------------------------------------------------------------------------- -// "delete_event" -//----------------------------------------------------------------------------- - -bool gtk_dialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - - 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->UpdateSize(); - } -} - -//----------------------------------------------------------------------------- -// "configure_event" -//----------------------------------------------------------------------------- - -static gint -#if (GTK_MINOR_VERSON > 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_VERSON > 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 *widget, wxDialog *win ) -{ - if (g_isIdle) - wxapp_install_idle_handler(); - - /* I haven't been able to set the position of - the dialog before it is shown, so I set the - position in "realize" */ - gtk_widget_set_uposition( widget, win->m_x, win->m_y ); - - /* 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); - - /* set size hints */ - gint flag = 0; // GDK_HINT_POS; - if ((win->GetMinWidth() != -1) || (win->GetMinHeight() != -1)) flag |= GDK_HINT_MIN_SIZE; - if ((win->GetMaxWidth() != -1) || (win->GetMaxHeight() != -1)) flag |= GDK_HINT_MAX_SIZE; - if (flag) - { - gdk_window_set_hints( win->m_widget->window, - win->m_x, win->m_y, - win->GetMinWidth(), win->GetMinHeight(), - win->GetMaxWidth(), win->GetMaxHeight(), - flag ); - } - - /* reset the icon */ - if (win->m_icon != wxNullIcon) - { - wxIcon icon( win->m_icon ); - win->m_icon = wxNullIcon; - win->SetIcon( icon ); - } +#include "wx/scopedptr.h" - return FALSE; -} +#include -//----------------------------------------------------------------------------- -// InsertChild for wxDialog -//----------------------------------------------------------------------------- +// this is defined in src/gtk/toplevel.cpp +extern int wxOpenModalDialogsCount; -/* 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. */ +wxDEFINE_TIED_SCOPED_PTR_TYPE(wxGUIEventLoop) -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 //----------------------------------------------------------------------------- -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) +IMPLEMENT_DYNAMIC_CLASS(wxDialog,wxTopLevelWindow) void wxDialog::Init() { + m_modalLoop = NULL; m_returnCode = 0; - m_sizeSet = FALSE; - m_modalShowing = FALSE; - m_isFrame = TRUE; + m_modalShowing = false; + m_themeEnabled = true; } wxDialog::wxDialog( wxWindow *parent, @@ -246,7 +49,7 @@ wxDialog::wxDialog( wxWindow *parent, { Init(); - Create( parent, id, title, pos, size, style, name ); + (void)Create( parent, id, title, pos, size, style, name ); } bool wxDialog::Create( wxWindow *parent, @@ -254,355 +57,92 @@ bool wxDialog::Create( wxWindow *parent, const wxPoint &pos, const wxSize &size, long style, const wxString &name ) { - wxTopLevelWindows.Append( this ); - - m_needParent = FALSE; - - if (!PreCreation( parent, pos, size ) || - !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name )) - { - wxFAIL_MSG( wxT("wxDialog creation failed") ); - return FALSE; - } - - 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_signal_connect( GTK_OBJECT(m_widget), "delete_event", - GTK_SIGNAL_FUNC(gtk_dialog_delete_callback), (gpointer)this ); - - 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 ); + SetExtraStyle(GetExtraStyle() | wxTOPLEVEL_EX_DIALOG); - PostCreation(); + // all dialogs should have tab traversal enabled + style |= wxTAB_TRAVERSAL; - /* 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 ); - - return TRUE; + return wxTopLevelWindow::Create(parent, id, title, pos, size, style, name); } -wxDialog::~wxDialog() +bool wxDialog::Show( bool show ) { - m_isBeingDeleted = TRUE; - - wxTopLevelWindows.DeleteObject( this ); - - if (wxTheApp->GetTopWindow() == this) + if (!show && IsModal()) { - wxTheApp->SetTopWindow( (wxWindow*) NULL ); + EndModal( wxID_CANCEL ); } - if (wxTopLevelWindows.Number() == 0) - { - wxTheApp->ExitMainLoop(); - } -} + if (show && CanDoLayoutAdaptation()) + DoLayoutAdaptation(); -void wxDialog::SetTitle( const wxString& title ) -{ - m_title = title; - if (m_title.IsNull()) m_title = wxT(""); - gtk_window_set_title( GTK_WINDOW(m_widget), m_title.mbc_str() ); -} + bool ret = wxDialogBase::Show(show); -wxString wxDialog::GetTitle() const -{ - return (wxString&)m_title; -} + if (show) + InitDialog(); -void wxDialog::OnApply( wxCommandEvent &WXUNUSED(event) ) -{ - if (Validate()) TransferDataFromWindow(); + return ret; } -void wxDialog::OnCancel( wxCommandEvent &WXUNUSED(event) ) +wxDialog::~wxDialog() { - if (IsModal()) - { + // if the dialog is modal, this will end its event loop + if ( IsModal() ) EndModal(wxID_CANCEL); - } - else - { - SetReturnCode(wxID_CANCEL); - Show(FALSE); - } -} - -void wxDialog::OnOK( wxCommandEvent &WXUNUSED(event) ) -{ - if (Validate() && TransferDataFromWindow()) - { - if (IsModal()) - { - EndModal(wxID_OK); - } - else - { - SetReturnCode(wxID_OK); - this->Show(FALSE); - } - } -} - -void wxDialog::OnPaint( wxPaintEvent& WXUNUSED(event) ) -{ - // yes -} - -void wxDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event)) -{ - // 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 (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); - s_closing.DeleteObject(this); } -bool wxDialog::Destroy() +bool wxDialog::IsModal() const { - if (!wxPendingDelete.Member(this)) wxPendingDelete.Append(this); - - return TRUE; + return m_modalShowing; } -void wxDialog::OnSize( wxSizeEvent &WXUNUSED(event) ) +void wxDialog::SetModal( bool WXUNUSED(flag) ) { - wxASSERT_MSG( (m_widget != NULL), wxT("invalid dialog") ); - -#if wxUSE_CONSTRAINTS - if (GetAutoLayout()) - { - Layout(); - } - else -#endif // wxUSE_CONSTRAINTS - { - /* 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); - } + wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") ); } -void wxDialog::DoSetSize( int x, int y, int width, int height, int sizeFlags ) +int wxDialog::ShowModal() { - 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 */ - 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_ALLOW_MINUS_ONE) == 0) - { - if (x != -1) m_x = x; - if (y != -1) m_y = y; - if (width != -1) m_width = width; - if (height != -1) m_height = height; - } - else - { - m_x = x; - m_y = y; - m_width = width; - m_height = height; - } + wxASSERT_MSG( !IsModal(), "ShowModal() can't be called twice" ); -/* - if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH) - { - if (width == -1) m_width = 80; - } - - if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT) - { - 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_maxWidth; - if ((m_maxHeight != -1) && (m_height > m_maxHeight)) m_height = m_maxHeight; + // release the mouse if it's currently captured as the window having it + // will be disabled when this dialog is shown -- but will still keep the + // capture making it impossible to do anything in the modal dialog itself + wxWindow * const win = wxWindow::GetCapture(); + if ( win ) + win->GTKReleaseMouseAndNotify(); - if ((m_x != -1) || (m_y != -1)) + // use the apps top level window as parent if none given unless explicitly + // forbidden + if ( !GetParent() && !(GetWindowStyleFlag() & wxDIALOG_NO_PARENT) ) { - if ((m_x != old_x) || (m_y != old_y)) + wxWindow * const parent = GetParentForModalDialog(); + if ( parent && parent != this ) { - /* 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 ); + gtk_window_set_transient_for( GTK_WINDOW(m_widget), + GTK_WINDOW(parent->m_widget) ); } } - if ((m_width != old_width) || (m_height != old_height)) - { - /* actual resizing is deferred to GtkOnSize in idle time and - when showing the dialog */ - m_sizeSet = FALSE; - } - - m_resizing = FALSE; -} - -void wxDialog::GtkOnSize( int WXUNUSED(x), int WXUNUSED(y), int width, int height ) -{ - // 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; - - /* we actually set the size of a frame here and no-where else */ - gtk_widget_set_usize( m_widget, m_width, m_height ); - - m_sizeSet = TRUE; - - wxSizeEvent event( wxSize(m_width,m_height), GetId() ); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent( event ); -} - -void wxDialog::OnInternalIdle() -{ - 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 ); - } - - 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 ); + wxBusyCursorSuspender cs; // temporarily suppress the busy cursor - if (show) InitDialog(); + Show( true ); - return ret; -} + m_modalShowing = true; -bool wxDialog::IsModal() const -{ - return m_modalShowing; -} + wxOpenModalDialogsCount++; -void wxDialog::SetModal( bool WXUNUSED(flag) ) -{ -/* - if (flag) - m_windowStyle |= wxDIALOG_MODAL; - else - if (m_windowStyle & wxDIALOG_MODAL) m_windowStyle -= wxDIALOG_MODAL; -*/ - wxFAIL_MSG( wxT("wxDialog:SetModal obsolete now") ); -} + // NOTE: gtk_window_set_modal internally calls gtk_grab_add() ! + gtk_window_set_modal(GTK_WINDOW(m_widget), TRUE); -int wxDialog::ShowModal() -{ - if (IsModal()) + // Run modal dialog event loop. { - wxFAIL_MSG( wxT("wxDialog:ShowModal called twice") ); - return GetReturnCode(); + wxGUIEventLoopTiedPtr modal(&m_modalLoop, new wxGUIEventLoop()); + m_modalLoop->Run(); } - wxBusyCursorSuspender cs; // temporarily suppress the busy cursor - - Show( TRUE ); - - m_modalShowing = TRUE; + gtk_window_set_modal(GTK_WINDOW(m_widget), FALSE); - gtk_grab_add( m_widget ); - gtk_main(); - gtk_grab_remove( m_widget ); + wxOpenModalDialogsCount--; return GetReturnCode(); } @@ -613,32 +153,16 @@ void wxDialog::EndModal( int retCode ) if (!IsModal()) { - wxFAIL_MSG( wxT("wxDialog:EndModal called twice") ); + wxFAIL_MSG( "either wxDialog:EndModal called twice or ShowModal wasn't called" ); return; } - m_modalShowing = FALSE; - - gtk_main_quit(); - - Show( FALSE ); -} - -void wxDialog::InitDialog() -{ - wxWindow::InitDialog(); -} - -void wxDialog::SetIcon( const wxIcon &icon ) -{ - m_icon = icon; - if (!icon.Ok()) return; - - if (!m_widget->window) return; + m_modalShowing = false; - wxMask *mask = icon.GetMask(); - GdkBitmap *bm = (GdkBitmap *) NULL; - if (mask) bm = mask->GetBitmap(); + // Ensure Exit() is only called once. The dialog's event loop may be terminated + // externally due to an uncaught exception. + if (m_modalLoop && m_modalLoop->IsRunning()) + m_modalLoop->Exit(); - gdk_window_set_icon( m_widget->window, (GdkWindow *) NULL, icon.GetPixmap(), bm ); + Show( false ); }