///////////////////////////////////////////////////////////////////////////////
-// Name: window.h
+// Name: wx/window.h
// Purpose: wxWindowBase class - the interface of wxWindow
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by: Ron Lee
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) wxWindows team
#include "wx/validate.h" // for wxDefaultValidator (always include it)
+#if wxUSE_PALETTE
+ #include "wx/dcclient.h"
+ #include "wx/palette.h"
+#endif // wxUSE_PALETTE
+
#if wxUSE_ACCEL
#include "wx/accel.h"
#endif // wxUSE_ACCEL
+// when building wxUniv/Foo we don't want the code for native menu use to be
+// compiled in - it should only be used when building real wxFoo
+#ifdef __WXUNIVERSAL__
+ #define wxUSE_MENUS_NATIVE 0
+#else // __WXMSW__
+ #define wxUSE_MENUS_NATIVE wxUSE_MENUS
+#endif // __WXUNIVERSAL__/__WXMSW__
+
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxCaret;
-class WXDLLEXPORT wxClientData;
class WXDLLEXPORT wxControl;
class WXDLLEXPORT wxCursor;
class WXDLLEXPORT wxDC;
WXDLLEXPORT_DATA(extern wxWindowList) wxTopLevelWindows;
-// ----------------------------------------------------------------------------
-// helper classes used by [SG]etClientObject/Data
-//
-// TODO move into a separate header?
-// ----------------------------------------------------------------------------
-
-// what kind of client data do we have?
-enum wxClientDataType
-{
- wxClientData_None, // we don't know yet because we don't have it at all
- wxClientData_Object, // our client data is typed and we own it
- wxClientData_Void // client data is untyped and we don't own it
-};
-
-class wxClientData
-{
-public:
- wxClientData() { }
- virtual ~wxClientData() { }
-};
-
-class wxStringClientData : public wxClientData
-{
-public:
- wxStringClientData() { }
- wxStringClientData( const wxString &data ) : m_data(data) { }
- void SetData( const wxString &data ) { m_data = data; }
- const wxString& GetData() const { return m_data; }
-
-private:
- wxString m_data;
-};
-
// ----------------------------------------------------------------------------
// wxWindowBase is the base class for all GUI controls/widgets, this is the public
// interface of this class.
// window attributes
// -----------------
+ // NB: in future versions of wxWindows Set/GetTitle() will only work
+ // with the top level windows (such as dialogs and frames) and
+ // Set/GetLabel() only with the other ones (i.e. all controls).
+
// the title (or label, see below) of the window: the text which the
// window shows
- virtual void SetTitle( const wxString & WXUNUSED(title) ) { }
- virtual wxString GetTitle() const { return ""; }
+ virtual void SetTitle( const wxString& WXUNUSED(title) ) {}
+ virtual wxString GetTitle() const { return wxEmptyString; }
// label is just the same as the title (but for, e.g., buttons it
// makes more sense to speak about labels)
int maxW = -1, int maxH = -1,
int incW = -1, int incH = -1 );
- int GetMinWidth() const { return m_minWidth; }
- int GetMinHeight() const { return m_minHeight; }
+ virtual void SetVirtualSizeHints( int minW, int minH,
+ int maxW = -1, int maxH = -1 );
+
+ virtual int GetMinWidth() const { return m_minWidth; }
+ virtual int GetMinHeight() const { return m_minHeight; }
int GetMaxWidth() const { return m_maxWidth; }
int GetMaxHeight() const { return m_maxHeight; }
+ // Override this method to control the values given to Sizers etc.
+ virtual wxSize GetMaxSize() const { return wxSize( m_maxWidth, m_maxHeight ); }
+
+ // Methods for accessing the virtual size of a window. For most
+ // windows this is just the client area of the window, but for
+ // some like scrolled windows it is more or less independent of
+ // the screen window size. You may override the DoXXXVirtual
+ // methods below for classes where that is is the case.
+
+ void SetVirtualSize( const wxSize &size ) { DoSetVirtualSize( size.x, size.y ); }
+ void SetVirtualSize( int x, int y ) { DoSetVirtualSize( x, y ); }
+
+ wxSize GetVirtualSize() const { return DoGetVirtualSize(); }
+ void GetVirtualSize( int *x, int *y ) const
+ {
+ wxSize s( DoGetVirtualSize() );
+
+ if( x )
+ *x = s.GetWidth();
+ if( y )
+ *y = s.GetHeight();
+ }
+
+ // Override these methods for windows that have a virtual size
+ // independent of their client size. eg. the virtual area of a
+ // wxScrolledWindow. Default is to alias VirtualSize to ClientSize.
+
+ virtual void DoSetVirtualSize( int x, int y );
+ virtual wxSize DoGetVirtualSize() const; // { return m_virtualSize; }
+
// window state
// ------------
// extra style: the less often used style bits which can't be set with
// SetWindowStyleFlag()
- void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
+ virtual void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
long GetExtraStyle() const { return m_exStyle; }
// make the window modal (all other windows unresponsive)
virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
virtual bool GetThemeEnabled() const { return m_themeEnabled; }
- // focus handling
- // --------------
+ // focus and keyboard handling
+ // ---------------------------
// set focus to this window
virtual void SetFocus() = 0;
+ // set focus to this window as the result of a keyboard action
+ virtual void SetFocusFromKbd() { SetFocus(); }
+
// return the window which currently has the focus or NULL
static wxWindow *FindFocus() /* = 0: implement in derived classes */;
// click it
virtual bool AcceptsFocusFromKeyboard() const { return AcceptsFocus(); }
+ // NB: these methods really don't belong here but with the current
+ // class hierarchy there is no other place for them :-(
+
+ // get the default child of this parent, i.e. the one which is
+ // activated by pressing <Enter>
+ virtual wxWindow *GetDefaultItem() const { return NULL; }
+
+ // set this child as default, return the old default
+ virtual wxWindow *SetDefaultItem(wxWindow * WXUNUSED(child))
+ { return NULL; }
+
// parent/children relations
// -------------------------
void PushEventHandler( wxEvtHandler *handler );
wxEvtHandler *PopEventHandler( bool deleteHandler = FALSE );
+ // find the given handler in the event handler chain and remove (but
+ // not delete) it from the event handler chain, return TRUE if it was
+ // found and FALSE otherwise (this also results in an assert failure so
+ // this function should only be called when the handler is supposed to
+ // be there)
+ bool RemoveEventHandler(wxEvtHandler *handler);
+
// validators
// ----------
virtual wxValidator *GetValidator() { return m_windowValidator; }
#endif // wxUSE_VALIDATORS
- // client data
- // -----------
-
- // each window may have associated client data: either a pointer to
- // wxClientData object in which case it is managed by the window (i.e.
- // it will delete the data when it's destroyed) or an untyped pointer
- // which won't be deleted by the window - but not both of them
- void SetClientObject( wxClientData *data ) { DoSetClientObject(data); }
- wxClientData *GetClientObject() const { return DoGetClientObject(); }
-
- void SetClientData( void *data ) { DoSetClientData(data); }
- void *GetClientData() const { return DoGetClientData(); }
// dialog oriented functions
// -------------------------
// move the mouse to the specified position
virtual void WarpPointer(int x, int y) = 0;
- // start or end mouse capture
- virtual void CaptureMouse() = 0;
- virtual void ReleaseMouse() = 0;
+ // start or end mouse capture, these functions maintain the stack of
+ // windows having captured the mouse and after calling ReleaseMouse()
+ // the mouse is not released but returns to the window which had had
+ // captured it previously (if any)
+ void CaptureMouse();
+ void ReleaseMouse();
// get the window which currently captures the mouse or NULL
static wxWindow *GetCapture();
// clear the window entirely
virtual void Clear() = 0;
+ // freeze the window: don't redraw it until it is thawed
+ virtual void Freeze() { }
+
+ // thaw the window: redraw it after it had been frozen
+ virtual void Thaw() { }
+
// adjust DC for drawing on this window
virtual void PrepareDC( wxDC & WXUNUSED(dc) ) { }
virtual void ScrollWindow( int dx, int dy,
const wxRect* rect = (wxRect *) NULL ) = 0;
+ // scrolls window by line/page: note that not all controls support this
+ //
+ // return TRUE if the position changed, FALSE otherwise
+ virtual bool ScrollLines(int WXUNUSED(lines)) { return FALSE; }
+ virtual bool ScrollPages(int WXUNUSED(pages)) { return FALSE; }
+
+ // convenient wrappers for ScrollLines/Pages
+ bool LineUp() { return ScrollLines(-1); }
+ bool LineDown() { return ScrollLines(1); }
+ bool PageUp() { return ScrollPages(-1); }
+ bool PageDown() { return ScrollPages(1); }
+
// context-sensitive help
// ----------------------
void SetConstraints( wxLayoutConstraints *constraints );
wxLayoutConstraints *GetConstraints() const { return m_constraints; }
- // when using constraints, it makes sense to update children positions
- // automatically whenever the window is resized - this is done if
- // autoLayout is on
- void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
- bool GetAutoLayout() const { return m_autoLayout; }
-
- // do layout the window and its children
- virtual bool Layout();
-
// implementation only
void UnsetConstraints(wxLayoutConstraints *c);
wxWindowList *GetConstraintsInvolvedIn() const
virtual void GetClientSizeConstraint(int *w, int *h) const ;
virtual void GetPositionConstraint(int *x, int *y) const ;
+#endif // wxUSE_CONSTRAINTS
+
+ // when using constraints or sizers, it makes sense to update
+ // children positions automatically whenever the window is resized
+ // - this is done if autoLayout is on
+ void SetAutoLayout( bool autoLayout ) { m_autoLayout = autoLayout; }
+ bool GetAutoLayout() const { return m_autoLayout; }
+
+ // lay out the window and its children
+ virtual bool Layout();
+
// sizers
- // TODO: what are they and how do they work??
- void SetSizer( wxSizer *sizer );
+ void SetSizer(wxSizer *sizer, bool deleteOld = TRUE );
+ void SetSizerAndFit( wxSizer *sizer, bool deleteOld = TRUE );
+
wxSizer *GetSizer() const { return m_windowSizer; }
-#endif // wxUSE_CONSTRAINTS
+
+ // Track if this window is a member of a sizer
+ void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; }
+ wxSizer *GetContainingSizer() const { return m_containingSizer; }
// backward compatibility
// ----------------------
// platform-specific APIs
virtual WXWidget GetHandle() const = 0;
+#if wxUSE_PALETTE
+ // Store the palette used by DCs in wxWindow so that the dcs can share
+ // a palette. And we can respond to palette messages.
+ wxPalette GetPalette() const { return m_palette; }
+
+ // When palette is changed tell the DC to set the system palette to the
+ // new one.
+ void SetPalette(const wxPalette& pal);
+
+ // return true if we have a specific palette
+ bool HasCustomPalette() const { return m_hasCustomPalette; }
+
+ // return the first parent window with a custom palette or NULL
+ wxWindow *GetAncestorWithCustomPalette() const;
+#endif // wxUSE_PALETTE
+
protected:
+
// the window id - a number which uniquely identifies a window among
// its siblings unless it is -1
wxWindowID m_windowId;
wxAcceleratorTable m_acceleratorTable;
#endif // wxUSE_ACCEL
- // user data associated with the window: either an object which will be
- // deleted by the window when it's deleted or some raw pointer which we do
- // nothing with - only one type of data can be used with the given window
- // (i.e. you cannot set the void data and then associate the window with
- // wxClientData or vice versa)
- union
- {
- wxClientData *m_clientObject;
- void *m_clientData;
- };
-
// the tooltip for this window (may be NULL)
#if wxUSE_TOOLTIPS
wxToolTip *m_tooltip;
// constraints this window is involved in
wxWindowList *m_constraintsInvolvedIn;
+#endif // wxUSE_CONSTRAINTS
- // top level and the parent sizers
- // TODO what's this and how does it work?)
+ // this window's sizer
wxSizer *m_windowSizer;
- wxWindowBase *m_sizerParent;
+
+ // The sizer this window is a member of, if any
+ wxSizer *m_containingSizer;
// Layout() window automatically when its size changes?
bool m_autoLayout:1;
-#endif // wxUSE_CONSTRAINTS
// window state
bool m_isShown:1;
bool m_isEnabled:1;
bool m_isBeingDeleted:1;
+ // was the window colours/font explicitly changed by user?
+ bool m_hasBgCol:1;
+ bool m_hasFgCol:1;
+ bool m_hasFont:1;
+
// window attributes
long m_windowStyle,
m_exStyle;
wxString m_windowName;
bool m_themeEnabled;
-protected:
+#if wxUSE_PALETTE
+ wxPalette m_palette;
+ bool m_hasCustomPalette;
+#endif // wxUSE_PALETTE
+
+ // Virtual size (scrolling)
+ wxSize m_virtualSize;
+
+ int m_minVirtualWidth; // VirtualSizeHints
+ int m_minVirtualHeight;
+ int m_maxVirtualWidth;
+ int m_maxVirtualHeight;
+
// common part of all ctors: it is not virtual because it is called from
// ctor
void InitBase();
virtual wxHitTest DoHitTest(wxCoord x, wxCoord y) const;
+ // capture/release the mouse, used by Capture/ReleaseMouse()
+ virtual void DoCaptureMouse() = 0;
+ virtual void DoReleaseMouse() = 0;
+
// retrieve the position/size of the window
virtual void DoGetPosition( int *x, int *y ) const = 0;
virtual void DoGetSize( int *width, int *height ) const = 0;
virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0;
#endif // wxUSE_MENUS
- // client data accessors
- virtual void DoSetClientObject( wxClientData *data );
- virtual wxClientData *DoGetClientObject() const;
-
- virtual void DoSetClientData( void *data );
- virtual void *DoGetClientData() const;
+ // Makes an adjustment to the window position (for example, a frame that has
+ // a toolbar that it manages itself).
+ virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const;
- // what kind of data do we have?
- wxClientDataType m_clientDataType;
private:
+
// contains the last id generated by NewControlId
static int ms_lastControlId;
+ // the stack of windows which have captured the mouse
+ static struct WXDLLEXPORT wxWindowNext *ms_winCaptureNext;
+
DECLARE_ABSTRACT_CLASS(wxWindowBase)
DECLARE_NO_COPY_CLASS(wxWindowBase)
DECLARE_EVENT_TABLE()
#define sm_classwxWindowGTK sm_classwxWindow
#endif // wxUniv
#include "wx/gtk/window.h"
-#elif defined(__WXQT__)
- #include "wx/qt/window.h"
+#elif defined(__WXX11__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowX11
+ #else // !wxUniv
+ #define wxWindowX11 wxWindow
+ #define sm_classwxWindowX11 sm_classwxWindow
+ #endif // wxUniv
+ #include "wx/x11/window.h"
+#elif defined(__WXMGL__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowMGL
+ #else // !wxUniv
+ #define wxWindowMGL wxWindow
+ #define sm_classwxWindowMGL sm_classwxWindow
+ #endif // wxUniv
+ #include "wx/mgl/window.h"
#elif defined(__WXMAC__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowMac
+ #else // !wxUniv
+ #define wxWindowMac wxWindow
+ #define sm_classwxWindowMac sm_classwxWindow
+ #endif // wxUniv
#include "wx/mac/window.h"
#elif defined(__WXPM__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowOS2
+ #else // !wxUniv
+ #define wxWindowOS2 wxWindow
+ #define sm_classwxWindowOS2 sm_classwxWindow
+ #endif // wxUniv/!wxUniv
#include "wx/os2/window.h"
#endif
// get the currently active window of this application or NULL
WXDLLEXPORT extern wxWindow *wxGetActiveWindow();
+// get the (first) top level parent window
+WXDLLEXPORT wxWindow* wxGetTopLevelParent(wxWindow *win);
+
// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
inline int NewControlId() { return wxWindowBase::NewControlId(); }
#endif
// _WX_WINDOW_H_BASE_
+
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