this one should really work

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

diff --git a/include/wx/dialog.h b/include/wx/dialog.h
index 41f00bde3a2746e72dea9f8de4617f0bc9d9657c..36bcb643db7cb51d75d918faffc07e4aa94d74ba 100644 (file)
--- a/include/wx/dialog.h
+++ b/include/wx/dialog.h
@@ -12,69 +12,314 @@
 #ifndef _WX_DIALOG_H_BASE_
 #define _WX_DIALOG_H_BASE_
 
 #ifndef _WX_DIALOG_H_BASE_
 #define _WX_DIALOG_H_BASE_
 

-#ifdef __GNUG__
-    #pragma interface "dialogbase.h"
-#endif
-

 #include "wx/defs.h"
 #include "wx/defs.h"

-#include "wx/containr.h"

 #include "wx/toplevel.h"
 
 #include "wx/toplevel.h"
 

-// FIXME - temporary hack in absence of wxTLW !!
-#ifndef wxTopLevelWindowNative
-#include "wx/panel.h"
-class WXDLLEXPORT wxDialogBase : public wxPanel
+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;
+
+#define wxDIALOG_NO_PARENT      0x0001  // Don't make owned by apps top window
+
+#ifdef __WXWINCE__
+#define wxDEFAULT_DIALOG_STYLE  (wxCAPTION | wxMAXIMIZE | wxCLOSE_BOX | wxNO_BORDER)

 #else
 #else

-class WXDLLEXPORT wxDialogBase : public wxTopLevelWindow
+#define wxDEFAULT_DIALOG_STYLE  (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX)

 #endif
 #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
+};
+
+extern WXDLLIMPEXP_DATA_CORE(const char) wxDialogNameStr[];
+
+class WXDLLIMPEXP_CORE wxDialogBase : public wxTopLevelWindow

 {
 public:
 {
 public:

+    enum
+    {
+        // all flags allowed in wxDialogBase::CreateButtonSizer()
+        ButtonSizerFlags = wxOK|wxCANCEL|wxYES|wxNO|wxHELP|wxNO_DEFAULT
+    };
+

     wxDialogBase() { Init(); }
     wxDialogBase() { Init(); }

-    ~wxDialogBase() {}
-    
-    void Init();
-    
-    // the modal dialogs have a return code - usually the id of the last
+    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;
+
+
+    // 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; }
 
     // pressed button
     void SetReturnCode(int returnCode) { m_returnCode = returnCode; }
     int GetReturnCode() const { return m_returnCode; }
 

-#if wxUSE_STATTEXT && wxUSE_TEXTCTRL
+    // 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; }
+
+    // Returns the parent to use for modal dialogs if the user did not specify it
+    // explicitly
+    wxWindow *GetParentForModalDialog(wxWindow *parent = NULL) const;
+
+#if wxUSE_STATTEXT // && wxUSE_TEXTCTRL

     // splits text up at newlines and places the
     // lines into a vertical wxBoxSizer
     wxSizer *CreateTextSizer( const wxString &message );
     // splits text up at newlines and places the
     // lines into a vertical wxBoxSizer
     wxSizer *CreateTextSizer( const wxString &message );

-#endif // wxUSE_STATTEXT && wxUSE_TEXTCTRL
-    
+#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 the sizer containing CreateButtonSizer() below a separating
+    // static line for the platforms which use static lines for items
+    // separation (i.e. not Mac)
+    wxSizer *CreateSeparatedButtonSizer(long flags);
+

 #if wxUSE_BUTTON
 #if wxUSE_BUTTON

-    // places buttons into a horizontal wxBoxSizer
-    wxSizer *CreateButtonSizer( long flags );
+    wxStdDialogButtonSizer *CreateStdDialogButtonSizer( long flags );

 #endif // wxUSE_BUTTON
 
 #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; }
+

 protected:
 protected:

-    // the return code from modal dialog
+    // 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;
 
     int m_returnCode;
 

-    // FIXME - temporary hack in absence of wxTLW !!
-    #ifdef wxTopLevelWindowNative
+    // 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:
+    // common part of all ctors
+    void Init();
+
+    // 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()
     DECLARE_EVENT_TABLE()

-    WX_DECLARE_CONTROL_CONTAINER();
-    #endif

 };
 
 };
 

+/*!
+ * 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 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(__WXMAC__)
-    #include "wx/mac/dialog.h"
-#elif defined(__WXPM__)
-    #include "wx/os2/dialog.h"
-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/dialog.h"
+    // 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);
+
+    // 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(__WXPALMOS__)
+        #include "wx/palmos/dialog.h"
+    #elif 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
 
 #endif
 #endif
 
 #endif