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[wxWidgets.git] / include / wx / osx / cocoa / private.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/osx/cocoa/private.h
// Purpose:     Private declarations: as this header is only included by
//              wxWidgets itself, it may contain identifiers which don't start
//              with "wx".
// Author:      Stefan Csomor
// Modified by:
// Created:     1998-01-01
// RCS-ID:      $Id$
// Copyright:   (c) Stefan Csomor
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_PRIVATE_COCOA_H_
#define _WX_PRIVATE_COCOA_H_

#include <ApplicationServices/ApplicationServices.h>

#ifdef __OBJC__
    #import <Cocoa/Cocoa.h>
#endif

#if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
// available in 10.4 but not in the headers
enum {
    kEventMouseScroll             = 11
};
#endif
//
// shared between Cocoa and Carbon
//

// bring in theming types without pulling in the headers

#if wxUSE_GUI
typedef SInt16 ThemeBrush;
CGColorRef WXDLLIMPEXP_CORE wxMacCreateCGColorFromHITheme( ThemeBrush brush ) ;
OSStatus WXDLLIMPEXP_CORE wxMacDrawCGImage(
                               CGContextRef    inContext,
                               const CGRect *  inBounds,
                               CGImageRef      inImage) ;
WX_NSImage WXDLLIMPEXP_CORE wxOSXGetNSImageFromCGImage( CGImageRef image );
CGImageRef WXDLLIMPEXP_CORE wxOSXCreateCGImageFromNSImage( WX_NSImage nsimage );
wxBitmap WXDLLIMPEXP_CORE wxOSXCreateSystemBitmap(const wxString& id, const wxString &client, const wxSize& size);
WXWindow WXDLLIMPEXP_CORE wxOSXGetMainWindow();

class WXDLLIMPEXP_FWD_CORE wxDialog;

class WXDLLIMPEXP_CORE wxWidgetCocoaImpl : public wxWidgetImpl
{
public :
    wxWidgetCocoaImpl( wxWindowMac* peer , WXWidget w, bool isRootControl = false, bool isUserPane = false ) ;
    wxWidgetCocoaImpl() ;
    ~wxWidgetCocoaImpl();

    void Init();

    virtual bool        IsVisible() const ;
    virtual void        SetVisibility(bool);

    // we provide a static function which can be reused from
    // wxNonOwnedWindowCocoaImpl too
    static bool ShowViewOrWindowWithEffect(wxWindow *win,
                                           bool show,
                                           wxShowEffect effect,
                                           unsigned timeout);

    virtual bool ShowWithEffect(bool show,
                                wxShowEffect effect,
                                unsigned timeout);

    virtual void        Raise();

    virtual void        Lower();

    virtual void        ScrollRect( const wxRect *rect, int dx, int dy );

    virtual WXWidget    GetWXWidget() const { return m_osxView; }

    virtual void        SetBackgroundColour(const wxColour&);
    virtual bool        SetBackgroundStyle(wxBackgroundStyle style);

    virtual void        GetContentArea( int &left , int &top , int &width , int &height ) const;
    virtual void        Move(int x, int y, int width, int height);
    virtual void        GetPosition( int &x, int &y ) const;
    virtual void        GetSize( int &width, int &height ) const;
    virtual void        SetControlSize( wxWindowVariant variant );

    virtual void        SetNeedsDisplay( const wxRect* where = NULL );
    virtual bool        GetNeedsDisplay() const;

    virtual void        SetDrawingEnabled(bool enabled);

    virtual bool        CanFocus() const;
    // return true if successful
    virtual bool        SetFocus();
    virtual bool        HasFocus() const;

    void                RemoveFromParent();
    void                Embed( wxWidgetImpl *parent );

    void                SetDefaultButton( bool isDefault );
    void                PerformClick();
    virtual void        SetLabel(const wxString& title, wxFontEncoding encoding);

    void                SetCursor( const wxCursor & cursor );
    void                CaptureMouse();
    void                ReleaseMouse();

    void                SetDropTarget(wxDropTarget* target);
    
    wxInt32             GetValue() const;
    void                SetValue( wxInt32 v );
    wxBitmap            GetBitmap() const;
    void                SetBitmap( const wxBitmap& bitmap );
    void                SetBitmapPosition( wxDirection dir );
    void                SetupTabs( const wxNotebook &notebook );
    void                GetBestRect( wxRect *r ) const;
    bool                IsEnabled() const;
    void                Enable( bool enable );
    bool                ButtonClickDidStateChange() { return true ;}
    void                SetMinimum( wxInt32 v );
    void                SetMaximum( wxInt32 v );
    wxInt32             GetMinimum() const;
    wxInt32             GetMaximum() const;
    void                PulseGauge();
    void                SetScrollThumb( wxInt32 value, wxInt32 thumbSize );

    void                SetFont( const wxFont & font , const wxColour& foreground , long windowStyle, bool ignoreBlack = true );
    void                SetToolTip( wxToolTip* tooltip );

    void                InstallEventHandler( WXWidget control = NULL );

    virtual bool        DoHandleMouseEvent(NSEvent *event);
    virtual bool        DoHandleKeyEvent(NSEvent *event);
    virtual bool        DoHandleCharEvent(NSEvent *event, NSString *text);
    virtual void        DoNotifyFocusEvent(bool receivedFocus, wxWidgetImpl* otherWindow);

    virtual void        SetupKeyEvent(wxKeyEvent &wxevent, NSEvent * nsEvent, NSString* charString = NULL);
    virtual void        SetupMouseEvent(wxMouseEvent &wxevent, NSEvent * nsEvent);
    void                SetupCoordinates(wxCoord &x, wxCoord &y, NSEvent *nsEvent);
    virtual bool        SetupCursor(NSEvent* event);


#if !wxOSX_USE_NATIVE_FLIPPED
    void                SetFlipped(bool flipped);
    virtual bool        IsFlipped() const { return m_isFlipped; }
#endif

    // cocoa thunk connected calls

    virtual unsigned int        draggingEntered(void* sender, WXWidget slf, void* _cmd);
    virtual void                draggingExited(void* sender, WXWidget slf, void* _cmd);
    virtual unsigned int        draggingUpdated(void* sender, WXWidget slf, void* _cmd);
    virtual bool                performDragOperation(void* sender, WXWidget slf, void* _cmd);
    virtual void                mouseEvent(WX_NSEvent event, WXWidget slf, void* _cmd);
    virtual void                cursorUpdate(WX_NSEvent event, WXWidget slf, void* _cmd);
    virtual void                keyEvent(WX_NSEvent event, WXWidget slf, void* _cmd);
    virtual void                insertText(NSString* text, WXWidget slf, void* _cmd);
    virtual bool                performKeyEquivalent(WX_NSEvent event, WXWidget slf, void* _cmd);
    virtual bool                acceptsFirstResponder(WXWidget slf, void* _cmd);
    virtual bool                becomeFirstResponder(WXWidget slf, void* _cmd);
    virtual bool                resignFirstResponder(WXWidget slf, void* _cmd);
#if !wxOSX_USE_NATIVE_FLIPPED
    virtual bool                isFlipped(WXWidget slf, void* _cmd);
#endif
    virtual void                drawRect(void* rect, WXWidget slf, void* _cmd);

    virtual void                controlAction(WXWidget slf, void* _cmd, void* sender);
    virtual void                controlDoubleAction(WXWidget slf, void* _cmd, void *sender);

    // for wxTextCtrl-derived classes, put here since they don't all derive
    // from the same pimpl class.
    virtual void                controlTextDidChange();

protected:
    WXWidget m_osxView;
    NSEvent* m_lastKeyDownEvent;
#if !wxOSX_USE_NATIVE_FLIPPED
    bool m_isFlipped;
#endif
    // if it the control has an editor, that editor will already send some
    // events, don't resend them
    bool m_hasEditor;

    DECLARE_DYNAMIC_CLASS_NO_COPY(wxWidgetCocoaImpl)
};

DECLARE_WXCOCOA_OBJC_CLASS( wxNSWindow );

class wxNonOwnedWindowCocoaImpl : public wxNonOwnedWindowImpl
{
public :
    wxNonOwnedWindowCocoaImpl( wxNonOwnedWindow* nonownedwnd) ;
    wxNonOwnedWindowCocoaImpl();

    virtual ~wxNonOwnedWindowCocoaImpl();

    virtual void WillBeDestroyed() ;
    void Create( wxWindow* parent, const wxPoint& pos, const wxSize& size,
    long style, long extraStyle, const wxString& name ) ;
    void Create( wxWindow* parent, WXWindow nativeWindow );

    WXWindow GetWXWindow() const;
    void Raise();
    void Lower();
    bool Show(bool show);

    virtual bool ShowWithEffect(bool show,
                                wxShowEffect effect,
                                unsigned timeout);

    void Update();
    bool SetTransparent(wxByte alpha);
    bool SetBackgroundColour(const wxColour& col );
    void SetExtraStyle( long exStyle );
    void SetWindowStyleFlag( long style );
    bool SetBackgroundStyle(wxBackgroundStyle style);
    bool CanSetTransparent();

    void MoveWindow(int x, int y, int width, int height);
    void GetPosition( int &x, int &y ) const;
    void GetSize( int &width, int &height ) const;

    void GetContentArea( int &left , int &top , int &width , int &height ) const;
    bool SetShape(const wxRegion& region);

    virtual void SetTitle( const wxString& title, wxFontEncoding encoding ) ;

    virtual bool IsMaximized() const;

    virtual bool IsIconized() const;

    virtual void Iconize( bool iconize );

    virtual void Maximize(bool maximize);

    virtual bool IsFullScreen() const;

    virtual bool ShowFullScreen(bool show, long style);

    virtual void ShowWithoutActivating();

    virtual void RequestUserAttention(int flags);

    virtual void ScreenToWindow( int *x, int *y );

    virtual void WindowToScreen( int *x, int *y );

    virtual double GetMagnificationFactor() const;

    virtual bool IsActive();

    virtual void SetModified(bool modified);
    virtual bool IsModified() const;

    virtual void SetRepresentedFilename(const wxString& filename);

    wxNonOwnedWindow*   GetWXPeer() { return m_wxPeer; }
    
    CGWindowLevel   GetWindowLevel() const { return m_macWindowLevel; }
    void            RestoreWindowLevel();
    
    static WX_NSResponder GetNextFirstResponder() ;
protected :
    CGWindowLevel   m_macWindowLevel;
    WXWindow        m_macWindow;
    void *          m_macFullScreenData ;
    DECLARE_DYNAMIC_CLASS_NO_COPY(wxNonOwnedWindowCocoaImpl)
};

DECLARE_WXCOCOA_OBJC_CLASS( wxNSButton );

class wxButtonCocoaImpl : public wxWidgetCocoaImpl, public wxButtonImpl
{
public:
    wxButtonCocoaImpl(wxWindowMac *wxpeer, wxNSButton *v);
    virtual void SetBitmap(const wxBitmap& bitmap);
#if wxUSE_MARKUP
    virtual void SetLabelMarkup(const wxString& markup);
#endif // wxUSE_MARKUP
    
    void SetPressedBitmap( const wxBitmap& bitmap );
    void GetLayoutInset(int &left , int &top , int &right, int &bottom) const;
    void SetAcceleratorFromLabel(const wxString& label);

    NSButton *GetNSButton() const;
};

#ifdef __OBJC__
    typedef void (*wxOSX_TextEventHandlerPtr)(NSView* self, SEL _cmd, NSString *event);
    typedef void (*wxOSX_EventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
    typedef BOOL (*wxOSX_PerformKeyEventHandlerPtr)(NSView* self, SEL _cmd, NSEvent *event);
    typedef BOOL (*wxOSX_FocusHandlerPtr)(NSView* self, SEL _cmd);


    WXDLLIMPEXP_CORE NSScreen* wxOSXGetMenuScreen();
    WXDLLIMPEXP_CORE NSRect wxToNSRect( NSView* parent, const wxRect& r );
    WXDLLIMPEXP_CORE wxRect wxFromNSRect( NSView* parent, const NSRect& rect );
    WXDLLIMPEXP_CORE NSPoint wxToNSPoint( NSView* parent, const wxPoint& p );
    WXDLLIMPEXP_CORE wxPoint wxFromNSPoint( NSView* parent, const NSPoint& p );

    NSRect WXDLLIMPEXP_CORE wxOSXGetFrameForControl( wxWindowMac* window , const wxPoint& pos , const wxSize &size ,
        bool adjustForOrigin = true );

    WXDLLIMPEXP_CORE NSView* wxOSXGetViewFromResponder( NSResponder* responder );

    // used for many wxControls

    @interface wxNSButton : NSButton
    {
        NSTrackingRectTag rectTag;
    }

    @end

    @interface wxNSBox : NSBox
    {
    }

    @end

    @interface wxNSTextFieldEditor : NSTextView
    {
        NSEvent* lastKeyDownEvent;
    }

    @end

    @interface wxNSTextField : NSTextField wxOSX_10_6_AND_LATER(<NSTextFieldDelegate>)
    {
        wxNSTextFieldEditor* fieldEditor;
    }

    - (wxNSTextFieldEditor*) fieldEditor;
    - (void) setFieldEditor:(wxNSTextFieldEditor*) fieldEditor;

    @end

    @interface wxNSSecureTextField : NSSecureTextField wxOSX_10_6_AND_LATER(<NSTextFieldDelegate>)
    {
    }

    @end


    @interface wxNSTextView : NSTextView wxOSX_10_6_AND_LATER(<NSTextViewDelegate>)
    {
    }

    - (void)textDidChange:(NSNotification *)aNotification;

    @end

    @interface wxNSComboBox : NSComboBox
    {
        wxNSTextFieldEditor* fieldEditor;
    }

    - (wxNSTextFieldEditor*) fieldEditor;
    - (void) setFieldEditor:(wxNSTextFieldEditor*) fieldEditor;

    @end



    @interface wxNSMenu : NSMenu
    {
       wxMenuImpl* impl;
    }

    - (void) setImplementation:(wxMenuImpl*) item;
    - (wxMenuImpl*) implementation;

    @end

    @interface wxNSMenuItem : NSMenuItem
    {
       wxMenuItemImpl* impl;
    }

    - (void) setImplementation:(wxMenuItemImpl*) item;
    - (wxMenuItemImpl*) implementation;

    - (void)clickedAction:(id)sender;
    - (BOOL)validateMenuItem:(NSMenuItem *)menuItem;

    @end

    void WXDLLIMPEXP_CORE wxOSXCocoaClassAddWXMethods(Class c);

    /*
    We need this for ShowModal, as the sheet just disables the parent window and
    returns control to the app, whereas we don't want to return from ShowModal
    until the sheet has been dismissed.
    */
    @interface ModalDialogDelegate : NSObject
    {
        BOOL sheetFinished;
        int resultCode;
        wxDialog* impl;
    }

    - (void)setImplementation: (wxDialog *)dialog;
    - (BOOL)finished;
    - (int)code;
    - (void)waitForSheetToFinish;
    - (void)sheetDidEnd:(NSWindow *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
    @end

    // This interface must be exported in shared 64 bit multilib build but
    // using WXEXPORT with Objective C interfaces doesn't work with old (4.0.1)
    // gcc when using 10.4 SDK. It does work with newer gcc even in 32 bit
    // builds but seems to be unnecessary there so to avoid the expense of a
    // configure check verifying if this does work or not with the current
    // compiler we just only use it for 64 bit builds where this is always
    // supported.
    //
    // NB: Currently this is the only place where we need to export an
    //     interface but if we need to do it elsewhere we should define a
    //     WXEXPORT_OBJC macro once and reuse it in all places it's needed
    //     instead of duplicating this preprocessor check.
#ifdef __LP64__
    WXEXPORT
#endif // 64 bit builds
    @interface wxNSAppController : NSObject wxOSX_10_6_AND_LATER(<NSApplicationDelegate>)
    {
    }

    @end

#endif // __OBJC__

// NSCursor

WX_NSCursor wxMacCocoaCreateStockCursor( int cursor_type );
WX_NSCursor  wxMacCocoaCreateCursorFromCGImage( CGImageRef cgImageRef, float hotSpotX, float hotSpotY );
void  wxMacCocoaSetCursor( WX_NSCursor cursor );
void  wxMacCocoaHideCursor();
void  wxMacCocoaShowCursor();

typedef struct tagClassicCursor
{
    wxUint16 bits[16];
    wxUint16 mask[16];
    wxInt16 hotspot[2];
}ClassicCursor;

const short kwxCursorBullseye = 0;
const short kwxCursorBlank = 1;
const short kwxCursorPencil = 2;
const short kwxCursorMagnifier = 3;
const short kwxCursorNoEntry = 4;
const short kwxCursorPaintBrush = 5;
const short kwxCursorPointRight = 6;
const short kwxCursorPointLeft = 7;
const short kwxCursorQuestionArrow = 8;
const short kwxCursorRightArrow = 9;
const short kwxCursorSizeNS = 10;
const short kwxCursorSize = 11;
const short kwxCursorSizeNESW = 12;
const short kwxCursorSizeNWSE = 13;
const short kwxCursorRoller = 14;
const short kwxCursorWatch = 15;
const short kwxCursorLast = kwxCursorWatch;

// exposing our fallback cursor map

extern ClassicCursor gMacCursors[];

extern NSLayoutManager* gNSLayoutManager;

#endif

#endif
    // _WX_PRIVATE_COCOA_H_