Resolve GCC's 'type-punned pointer will break strict-aliasing rules' warning by break...

[wxWidgets.git] / include / wx / dialog.h

diff --git a/include/wx/dialog.h b/include/wx/dialog.h
index 62bfb792650b52d46cba89bdd21c101d181d47fd..71c80a0fc461ec19de94df714c6f7a5927c375fc 100644 (file)
--- a/include/wx/dialog.h
+++ b/include/wx/dialog.h
@@ -53,17 +53,18 @@ enum wxDialogLayoutAdaptationMode
     wxDIALOG_ADAPTATION_MODE_DISABLED = 2   // disable this dialog overriding global status
 };
 
-extern WXDLLEXPORT_DATA(const char) wxDialogNameStr[];
+enum wxDialogModality
+{
+    wxDIALOG_MODALITY_NONE = 0,
+    wxDIALOG_MODALITY_WINDOW_MODAL = 1,
+    wxDIALOG_MODALITY_APP_MODAL = 2
+};
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxDialogNameStr[];
 
-class WXDLLEXPORT wxDialogBase : public wxTopLevelWindow
+class WXDLLIMPEXP_CORE wxDialogBase : public wxTopLevelWindow
 {
 public:
-    enum
-    {
-        // all flags allowed in wxDialogBase::CreateButtonSizer()
-        ButtonSizerFlags = wxOK|wxCANCEL|wxYES|wxNO|wxHELP|wxNO_DEFAULT
-    };
-
     wxDialogBase() { Init(); }
     virtual ~wxDialogBase() { }
 
@@ -71,7 +72,10 @@ public:
     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 );
 
     // Modal dialogs have a return code - usually the id of the last
     // pressed button
@@ -90,8 +94,11 @@ public:
     void SetEscapeId(int escapeId);
     int GetEscapeId() const { return m_escapeId; }
 
-    // Returns the parent to use for modal dialogs if the user did not specify it
-    // explicitly
+    // 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.
+    //
+    // This function always returns a valid top level window or NULL.
     wxWindow *GetParentForModalDialog(wxWindow *parent = NULL) const;
 
 #if wxUSE_STATTEXT // && wxUSE_TEXTCTRL
@@ -156,6 +163,8 @@ public:
     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
     //
@@ -178,7 +187,6 @@ protected:
     // wxID_OK return code
     void AcceptAndClose();
 
-
     // The return code from modal dialog
     int m_returnCode;
 
@@ -211,6 +219,10 @@ private:
     // common part of all ctors
     void Init();
 
+    // 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;
+
     // handle Esc key presses
     void OnCharHook(wxKeyEvent& event);
 
@@ -224,7 +236,7 @@ private:
     void OnSysColourChanged(wxSysColourChangedEvent& event);
 
 
-    DECLARE_NO_COPY_CLASS(wxDialogBase)
+    wxDECLARE_NO_COPY_CLASS(wxDialogBase);
     DECLARE_EVENT_TABLE()
 };
 
@@ -235,7 +247,7 @@ private:
  * a help mechanism.
  */
 
-class WXDLLEXPORT wxDialogLayoutAdapter: public wxObject
+class WXDLLIMPEXP_CORE wxDialogLayoutAdapter: public wxObject
 {
     DECLARE_CLASS(wxDialogLayoutAdapter)
 public:
@@ -253,7 +265,7 @@ public:
  *
  */
 
-class WXDLLEXPORT wxStandardDialogLayoutAdapter: public wxDialogLayoutAdapter
+class WXDLLIMPEXP_CORE wxStandardDialogLayoutAdapter: public wxDialogLayoutAdapter
 {
     DECLARE_CLASS(wxStandardDialogLayoutAdapter)
 public:
@@ -314,7 +326,7 @@ public:
     #elif defined(__WXGTK__)
         #include "wx/gtk1/dialog.h"
     #elif defined(__WXMAC__)
-        #include "wx/mac/dialog.h"
+        #include "wx/osx/dialog.h"
     #elif defined(__WXCOCOA__)
         #include "wx/cocoa/dialog.h"
     #elif defined(__WXPM__)
@@ -322,5 +334,30 @@ public:
     #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)
+
 #endif
     // _WX_DIALOG_H_BASE_