+/////////////////////////////////////////////////////////////////////////////
+// Name: wx/dialog.h
+// Purpose: wxDialogBase class
+// Author: Vadim Zeitlin
+// Modified by:
+// Created: 29.06.99
+// Copyright: (c) Vadim Zeitlin
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
#ifndef _WX_DIALOG_H_BASE_
#define _WX_DIALOG_H_BASE_
-#if defined(__WXMSW__)
-#include "wx/msw/dialog.h"
-#elif defined(__WXMOTIF__)
-#include "wx/motif/dialog.h"
-#elif defined(__WXGTK__)
-#include "wx/gtk/dialog.h"
-#elif defined(__WXQT__)
-#include "wx/qt/dialog.h"
-#elif defined(__WXMAC__)
-#include "wx/mac/dialog.h"
-#elif defined(__WXSTUBS__)
-#include "wx/stubs/dialog.h"
+#include "wx/toplevel.h"
+#include "wx/containr.h"
+
+class WXDLLIMPEXP_FWD_CORE wxSizer;
+class WXDLLIMPEXP_FWD_CORE wxStdDialogButtonSizer;
+class WXDLLIMPEXP_FWD_CORE wxBoxSizer;
+class WXDLLIMPEXP_FWD_CORE wxDialogLayoutAdapter;
+class WXDLLIMPEXP_FWD_CORE wxDialog;
+class WXDLLIMPEXP_FWD_CORE wxButton;
+class WXDLLIMPEXP_FWD_CORE wxScrolledWindow;
+class wxTextSizerWrapper;
+
+// Also see the bit summary table in wx/toplevel.h.
+
+#define wxDIALOG_NO_PARENT 0x00000020 // Don't make owned by apps top window
+
+#ifdef __WXWINCE__
+#define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxMAXIMIZE | wxCLOSE_BOX | wxNO_BORDER)
+#else
+#define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX)
+#endif
+
+// Layout adaptation levels, for SetLayoutAdaptationLevel
+
+// Don't do any layout adaptation
+#define wxDIALOG_ADAPTATION_NONE 0
+
+// Only look for wxStdDialogButtonSizer for non-scrolling part
+#define wxDIALOG_ADAPTATION_STANDARD_SIZER 1
+
+// Also look for any suitable sizer for non-scrolling part
+#define wxDIALOG_ADAPTATION_ANY_SIZER 2
+
+// Also look for 'loose' standard buttons for non-scrolling part
+#define wxDIALOG_ADAPTATION_LOOSE_BUTTONS 3
+
+// Layout adaptation mode, for SetLayoutAdaptationMode
+enum wxDialogLayoutAdaptationMode
+{
+ wxDIALOG_ADAPTATION_MODE_DEFAULT = 0, // use global adaptation enabled status
+ wxDIALOG_ADAPTATION_MODE_ENABLED = 1, // enable this dialog overriding global status
+ wxDIALOG_ADAPTATION_MODE_DISABLED = 2 // disable this dialog overriding global status
+};
+
+enum wxDialogModality
+{
+ wxDIALOG_MODALITY_NONE = 0,
+ wxDIALOG_MODALITY_WINDOW_MODAL = 1,
+ wxDIALOG_MODALITY_APP_MODAL = 2
+};
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxDialogNameStr[];
+
+class WXDLLIMPEXP_CORE wxDialogBase : public wxNavigationEnabled<wxTopLevelWindow>
+{
+public:
+ wxDialogBase();
+ virtual ~wxDialogBase() { }
+
+ // define public wxDialog methods to be implemented by the derived classes
+ virtual int ShowModal() = 0;
+ virtual void EndModal(int retCode) = 0;
+ virtual bool IsModal() const = 0;
+ // show the dialog frame-modally (needs a parent), using app-modal
+ // dialogs on platforms that don't support it
+ virtual void ShowWindowModal () ;
+ virtual void SendWindowModalDialogEvent ( wxEventType type );
+
+#ifdef wxHAS_EVENT_BIND
+ template<typename Functor>
+ void ShowWindowModalThenDo(const Functor& onEndModal);
+#endif // wxHAS_EVENT_BIND
+
+ // Modal dialogs have a return code - usually the id of the last
+ // pressed button
+ void SetReturnCode(int returnCode) { m_returnCode = returnCode; }
+ int GetReturnCode() const { return m_returnCode; }
+
+ // Set the identifier for the affirmative button: this button will close
+ // the dialog after validating data and calling TransferDataFromWindow()
+ void SetAffirmativeId(int affirmativeId);
+ int GetAffirmativeId() const { return m_affirmativeId; }
+
+ // Set identifier for Esc key translation: the button with this id will
+ // close the dialog without doing anything else; special value wxID_NONE
+ // means to not handle Esc at all while wxID_ANY means to map Esc to
+ // wxID_CANCEL if present and GetAffirmativeId() otherwise
+ void SetEscapeId(int escapeId);
+ int GetEscapeId() const { return m_escapeId; }
+
+ // Find the parent to use for modal dialog: try to use the specified parent
+ // but fall back to the current active window or main application window as
+ // last resort if it is unsuitable.
+ //
+ // As this function is often called from the ctor, the window style may be
+ // not set yet and hence must be passed explicitly to it so that we could
+ // check whether it contains wxDIALOG_NO_PARENT bit.
+ //
+ // This function always returns a valid top level window or NULL.
+ wxWindow *GetParentForModalDialog(wxWindow *parent, long style) const;
+
+ // This overload can only be used for already initialized windows, i.e. not
+ // from the ctor. It uses the current window parent and style.
+ wxWindow *GetParentForModalDialog() const
+ {
+ return GetParentForModalDialog(GetParent(), GetWindowStyle());
+ }
+
+#if wxUSE_STATTEXT // && wxUSE_TEXTCTRL
+ // splits text up at newlines and places the lines into a vertical
+ // wxBoxSizer
+ wxSizer *CreateTextSizer( const wxString& message );
+
+ // same as above but uses a customized wxTextSizerWrapper to create
+ // non-standard controls for the lines
+ wxSizer *CreateTextSizer( const wxString& message,
+ wxTextSizerWrapper& wrapper );
+#endif // wxUSE_STATTEXT // && wxUSE_TEXTCTRL
+
+ // returns a horizontal wxBoxSizer containing the given buttons
+ //
+ // notice that the returned sizer can be NULL if no buttons are put in the
+ // sizer (this mostly happens under smart phones and other atypical
+ // platforms which have hardware buttons replacing OK/Cancel and such)
+ wxSizer *CreateButtonSizer(long flags);
+
+ // returns a sizer containing the given one and a static line separating it
+ // from the preceding elements if it's appropriate for the current platform
+ wxSizer *CreateSeparatedSizer(wxSizer *sizer);
+
+ // returns the sizer containing CreateButtonSizer() below a separating
+ // static line for the platforms which use static lines for items
+ // separation (i.e. not Mac)
+ //
+ // this is just a combination of CreateButtonSizer() and
+ // CreateSeparatedSizer()
+ wxSizer *CreateSeparatedButtonSizer(long flags);
+
+#if wxUSE_BUTTON
+ wxStdDialogButtonSizer *CreateStdDialogButtonSizer( long flags );
+#endif // wxUSE_BUTTON
+
+ // Do layout adaptation
+ virtual bool DoLayoutAdaptation();
+
+ // Can we do layout adaptation?
+ virtual bool CanDoLayoutAdaptation();
+
+ // Returns a content window if there is one. This can be used by the layout adapter, for
+ // example to make the pages of a book control into scrolling windows
+ virtual wxWindow* GetContentWindow() const { return NULL; }
+
+ // Add an id to the list of main button identifiers that should be in the button sizer
+ void AddMainButtonId(wxWindowID id) { m_mainButtonIds.Add((int) id); }
+ wxArrayInt& GetMainButtonIds() { return m_mainButtonIds; }
+
+ // Is this id in the main button id array?
+ bool IsMainButtonId(wxWindowID id) const { return (m_mainButtonIds.Index((int) id) != wxNOT_FOUND); }
+
+ // Level of adaptation, from none (Level 0) to full (Level 3). To disable adaptation,
+ // set level 0, for example in your dialog constructor. You might
+ // do this if you know that you are displaying on a large screen and you don't want the
+ // dialog changed.
+ void SetLayoutAdaptationLevel(int level) { m_layoutAdaptationLevel = level; }
+ int GetLayoutAdaptationLevel() const { return m_layoutAdaptationLevel; }
+
+ /// Override global adaptation enabled/disabled status
+ void SetLayoutAdaptationMode(wxDialogLayoutAdaptationMode mode) { m_layoutAdaptationMode = mode; }
+ wxDialogLayoutAdaptationMode GetLayoutAdaptationMode() const { return m_layoutAdaptationMode; }
+
+ // Returns true if the adaptation has been done
+ void SetLayoutAdaptationDone(bool adaptationDone) { m_layoutAdaptationDone = adaptationDone; }
+ bool GetLayoutAdaptationDone() const { return m_layoutAdaptationDone; }
+
+ // Set layout adapter class, returning old adapter
+ static wxDialogLayoutAdapter* SetLayoutAdapter(wxDialogLayoutAdapter* adapter);
+ static wxDialogLayoutAdapter* GetLayoutAdapter() { return sm_layoutAdapter; }
+
+ // Global switch for layout adaptation
+ static bool IsLayoutAdaptationEnabled() { return sm_layoutAdaptation; }
+ static void EnableLayoutAdaptation(bool enable) { sm_layoutAdaptation = enable; }
+
+ // modality kind
+ virtual wxDialogModality GetModality() const;
+protected:
+ // emulate click of a button with the given id if it's present in the dialog
+ //
+ // return true if button was "clicked" or false if we don't have it
+ bool EmulateButtonClickIfPresent(int id);
+
+ // this function is used by OnCharHook() to decide whether the given key
+ // should close the dialog
+ //
+ // for most platforms the default implementation (which just checks for
+ // Esc) is sufficient, but Mac port also adds Cmd-. here and other ports
+ // could do something different if needed
+ virtual bool IsEscapeKey(const wxKeyEvent& event);
+
+ // end either modal or modeless dialog, for the modal dialog rc is used as
+ // the dialog return code
+ void EndDialog(int rc);
+
+ // call Validate() and TransferDataFromWindow() and close dialog with
+ // wxID_OK return code
+ void AcceptAndClose();
+
+ // The return code from modal dialog
+ int m_returnCode;
+
+ // The identifier for the affirmative button (usually wxID_OK)
+ int m_affirmativeId;
+
+ // The identifier for cancel button (usually wxID_CANCEL)
+ int m_escapeId;
+
+ // Flags whether layout adaptation has been done for this dialog
+ bool m_layoutAdaptationDone;
+
+ // Extra button identifiers to be taken as 'main' button identifiers
+ // to be placed in the non-scrolling area
+ wxArrayInt m_mainButtonIds;
+
+ // Adaptation level
+ int m_layoutAdaptationLevel;
+
+ // Local override for global adaptation enabled status
+ wxDialogLayoutAdaptationMode m_layoutAdaptationMode;
+
+ // Global layout adapter
+ static wxDialogLayoutAdapter* sm_layoutAdapter;
+
+ // Global adaptation switch
+ static bool sm_layoutAdaptation;
+
+private:
+ // helper of GetParentForModalDialog(): returns the passed in window if it
+ // can be used as our parent or NULL if it can't
+ wxWindow *CheckIfCanBeUsedAsParent(wxWindow *parent) const;
+
+ // Helper of OnCharHook() and OnCloseWindow(): find the appropriate button
+ // for closing the dialog and send a click event for it.
+ //
+ // Return true if we found a button to close the dialog and "clicked" it or
+ // false otherwise.
+ bool SendCloseButtonClickEvent();
+
+ // handle Esc key presses
+ void OnCharHook(wxKeyEvent& event);
+
+ // handle closing the dialog window
+ void OnCloseWindow(wxCloseEvent& event);
+
+ // handle the standard buttons
+ void OnButton(wxCommandEvent& event);
+
+ // update the background colour
+ void OnSysColourChanged(wxSysColourChangedEvent& event);
+
+
+ wxDECLARE_NO_COPY_CLASS(wxDialogBase);
+ DECLARE_EVENT_TABLE()
+};
+
+/*!
+ * Base class for layout adapters - code that, for example, turns a dialog into a
+ * scrolling dialog if there isn't enough screen space. You can derive further
+ * adapter classes to do any other kind of adaptation, such as applying a watermark, or adding
+ * a help mechanism.
+ */
+
+class WXDLLIMPEXP_CORE wxDialogLayoutAdapter: public wxObject
+{
+ DECLARE_CLASS(wxDialogLayoutAdapter)
+public:
+ wxDialogLayoutAdapter() {}
+
+ // Override this function to indicate that adaptation should be done
+ virtual bool CanDoLayoutAdaptation(wxDialog* dialog) = 0;
+
+ // Override this function to do the adaptation
+ virtual bool DoLayoutAdaptation(wxDialog* dialog) = 0;
+};
+
+/*!
+ * Standard adapter. Does scrolling adaptation for paged and regular dialogs.
+ *
+ */
+
+class WXDLLIMPEXP_CORE wxStandardDialogLayoutAdapter: public wxDialogLayoutAdapter
+{
+ DECLARE_CLASS(wxStandardDialogLayoutAdapter)
+public:
+ wxStandardDialogLayoutAdapter() {}
+
+// Overrides
+
+ // Indicate that adaptation should be done
+ virtual bool CanDoLayoutAdaptation(wxDialog* dialog);
+
+ // Do layout adaptation
+ virtual bool DoLayoutAdaptation(wxDialog* dialog);
+
+// Implementation
+
+ // Create the scrolled window
+ virtual wxScrolledWindow* CreateScrolledWindow(wxWindow* parent);
+
+#if wxUSE_BUTTON
+ // Find a standard or horizontal box sizer
+ virtual wxSizer* FindButtonSizer(bool stdButtonSizer, wxDialog* dialog, wxSizer* sizer, int& retBorder, int accumlatedBorder = 0);
+
+ // Check if this sizer contains standard buttons, and so can be repositioned in the dialog
+ virtual bool IsOrdinaryButtonSizer(wxDialog* dialog, wxBoxSizer* sizer);
+
+ // Check if this is a standard button
+ virtual bool IsStandardButton(wxDialog* dialog, wxButton* button);
+
+ // Find 'loose' main buttons in the existing layout and add them to the standard dialog sizer
+ virtual bool FindLooseButtons(wxDialog* dialog, wxStdDialogButtonSizer* buttonSizer, wxSizer* sizer, int& count);
+#endif // wxUSE_BUTTON
+
+ // Reparent the controls to the scrolled window, except those in buttonSizer
+ virtual void ReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer = NULL);
+ static void DoReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer = NULL);
+
+ // A function to fit the dialog around its contents, and then adjust for screen size.
+ // If scrolled windows are passed, scrolling is enabled in the required orientation(s).
+ virtual bool FitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow);
+ virtual bool FitWithScrolling(wxDialog* dialog, wxWindowList& windows);
+ static bool DoFitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow);
+ static bool DoFitWithScrolling(wxDialog* dialog, wxWindowList& windows);
+
+ // Find whether scrolling will be necessary for the dialog, returning wxVERTICAL, wxHORIZONTAL or both
+ virtual int MustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize);
+ static int DoMustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize);
+};
+
+#if defined(__WXUNIVERSAL__) && !defined(__WXMICROWIN__)
+ #include "wx/univ/dialog.h"
+#else
+ #if defined(__WXMSW__)
+ #include "wx/msw/dialog.h"
+ #elif defined(__WXMOTIF__)
+ #include "wx/motif/dialog.h"
+ #elif defined(__WXGTK20__)
+ #include "wx/gtk/dialog.h"
+ #elif defined(__WXGTK__)
+ #include "wx/gtk1/dialog.h"
+ #elif defined(__WXMAC__)
+ #include "wx/osx/dialog.h"
+ #elif defined(__WXCOCOA__)
+ #include "wx/cocoa/dialog.h"
+ #elif defined(__WXPM__)
+ #include "wx/os2/dialog.h"
+ #endif
#endif
+class WXDLLIMPEXP_CORE wxWindowModalDialogEvent : public wxCommandEvent
+{
+public:
+ wxWindowModalDialogEvent (wxEventType commandType = wxEVT_NULL, int id = 0)
+ : wxCommandEvent(commandType, id) { }
+
+ wxDialog *GetDialog() const
+ { return wxStaticCast(GetEventObject(), wxDialog); }
+
+ int GetReturnCode() const
+ { return GetDialog()->GetReturnCode(); }
+
+ virtual wxEvent *Clone() const { return new wxWindowModalDialogEvent (*this); }
+
+private:
+ DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxWindowModalDialogEvent )
+};
+
+wxDECLARE_EXPORTED_EVENT(WXDLLIMPEXP_CORE, wxEVT_WINDOW_MODAL_DIALOG_CLOSED , wxWindowModalDialogEvent );
+
+typedef void (wxEvtHandler::*wxWindowModalDialogEventFunction)(wxWindowModalDialogEvent &);
+
+#define wxWindowModalDialogEventHandler(func) \
+ wxEVENT_HANDLER_CAST(wxWindowModalDialogEventFunction, func)
+
+#define EVT_WINDOW_MODAL_DIALOG_CLOSED(winid, func) \
+ wx__DECLARE_EVT1(wxEVT_WINDOW_MODAL_DIALOG_CLOSED, winid, wxWindowModalDialogEventHandler(func))
+
+#ifdef wxHAS_EVENT_BIND
+template<typename Functor>
+class wxWindowModalDialogEventFunctor
+{
+public:
+ wxWindowModalDialogEventFunctor(const Functor& f)
+ : m_f(f), m_wasCalled(false)
+ {}
+
+ void operator()(wxWindowModalDialogEvent& event)
+ {
+ if ( m_wasCalled )
+ {
+ event.Skip();
+ return;
+ }
+
+ m_wasCalled = true;
+ m_f(event.GetReturnCode());
+ }
+
+private:
+ Functor m_f;
+ bool m_wasCalled;
+};
+
+template<typename Functor>
+void wxDialogBase::ShowWindowModalThenDo(const Functor& onEndModal)
+{
+ Bind(wxEVT_WINDOW_MODAL_DIALOG_CLOSED,
+ wxWindowModalDialogEventFunctor<Functor>(onEndModal));
+ ShowWindowModal();
+};
+#endif // wxHAS_EVENT_BIND
+
#endif
// _WX_DIALOG_H_BASE_
projects / wxWidgets.git / blobdiff