///////////////////////////////////////////////////////////////////////////////
-// Name: window.h
+// Name: wx/window.h
// Purpose: wxWindowBase class - the interface of wxWindow
// Author: Vadim Zeitlin
// Modified by:
#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?
-// ----------------------------------------------------------------------------
-
-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.
class WXDLLEXPORT wxWindowBase : public wxEvtHandler
{
- DECLARE_ABSTRACT_CLASS(wxWindowBase);
-
public:
// creating the window
// -------------------
// 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)
void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
{ DoSetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
- void Move( int x, int y )
- { DoSetSize( x, y, -1, -1, wxSIZE_USE_EXISTING ); }
+ void Move(int x, int y, int flags = wxSIZE_USE_EXISTING)
+ { DoSetSize(x, y, -1, -1, flags); }
- void Move(const wxPoint& pt)
- { Move(pt.x, pt.y); }
+ void Move(const wxPoint& pt, int flags = wxSIZE_USE_EXISTING)
+ { Move(pt.x, pt.y, flags); }
// Z-order
virtual void Raise() = 0;
return wxSize(w, h);
}
+ // get the origin of the client area of the window relative to the
+ // window top left corner (the client area may be shifted because of
+ // the borders, scrollbars, other decorations...)
+ virtual wxPoint GetClientAreaOrigin() const;
+
+ // get the client rectangle in window (i.e. client) coordinates
+ wxRect GetClientRect() const
+ {
+ return wxRect(GetClientAreaOrigin(), GetClientSize());
+ }
+
// get the size best suited for the window (in fact, minimal
// acceptable size using which it will still look "nice")
wxSize GetBestSize() const { return DoGetBestSize(); }
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 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; }
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;
// can this window have focus?
virtual bool AcceptsFocus() const { return IsShown() && IsEnabled(); }
+ // can this window be given focus by keyboard navigation? if not, the
+ // only way to give it focus (provided it accepts it at all) is to
+ // 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 );
- // validators and client data
- // --------------------------
+ // 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
+ // ----------
#if wxUSE_VALIDATORS
// a window may have an associated validator which is used to control
virtual wxValidator *GetValidator() { return m_windowValidator; }
#endif // wxUSE_VALIDATORS
- // 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();
+
+ // does this window have the capture?
+ virtual bool HasCapture() const
+ { return (wxWindow *)this == GetCapture(); }
// painting the window
// -------------------
// will be repainted
virtual void Refresh( bool eraseBackground = TRUE,
const wxRect *rect = (const wxRect *) NULL ) = 0;
+
+ // a less awkward wrapper for Refresh
+ void RefreshRect(const wxRect& rect) { Refresh(TRUE, &rect); }
+
+ // repaint all invalid areas of the window immediately
+ virtual void Update() { }
+
// 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) ) { }
const wxRegion& GetUpdateRegion() const { return m_updateRegion; }
wxRegion& GetUpdateRegion() { return m_updateRegion; }
+ // get the update rectangleregion bounding box in client coords
+ wxRect GetUpdateClientRect() const;
+
// these functions verify whether the given point/rectangle belongs to
// (or at least intersects with) the update region
bool IsExposed( int x, int y ) const;
const wxFont *theFont = (const wxFont *) NULL)
const = 0;
+ // client <-> screen coords
+ // ------------------------
+
// translate to/from screen/client coordinates (pointers may be NULL)
void ClientToScreen( int *x, int *y ) const
{ DoClientToScreen(x, y); }
void ScreenToClient( int *x, int *y ) const
{ DoScreenToClient(x, y); }
+
+ // wxPoint interface to do the same thing
wxPoint ClientToScreen(const wxPoint& pt) const
{
int x = pt.x, y = pt.y;
return wxPoint(x, y);
}
+ // test where the given (in client coords) point lies
+ wxHitTest HitTest(wxCoord x, wxCoord y) const
+ { return DoHitTest(x, y); }
+
+ wxHitTest HitTest(const wxPoint& pt) const
+ { return DoHitTest(pt.x, pt.y); }
+
// misc
// ----
+ // get the window border style: uses the current style and falls back to
+ // the default style for this class otherwise (see GetDefaultBorder())
+ wxBorder GetBorder() const;
+
void UpdateWindowUI();
+#if wxUSE_MENUS
bool PopupMenu( wxMenu *menu, const wxPoint& pos )
{ return DoPopupMenu(menu, pos.x, pos.y); }
bool PopupMenu( wxMenu *menu, int x, int y )
{ return DoPopupMenu(menu, x, y); }
+#endif // wxUSE_MENUS
// scrollbars
// ----------
+ // does the window have the scrollbar for this orientation?
+ bool HasScrollbar(int orient) const
+ {
+ return (m_windowStyle &
+ (orient == wxHORIZONTAL ? wxHSCROLL : wxVSCROLL)) != 0;
+ }
+
// configure the window scrollbars
virtual void SetScrollbar( int orient,
int pos,
- int thumbVisible,
+ int thumbvisible,
int range,
bool refresh = TRUE ) = 0;
virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE ) = 0;
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
// ----------------------
virtual void GetPositionConstraint(int *x, int *y) const ;
// sizers
- // TODO: what are they and how do they work??
void SetSizer( wxSizer *sizer );
wxSizer *GetSizer() const { return m_windowSizer; }
+
+ // Track if this window is a member of a sizer
+ void SetContainingSizer(wxSizer* sizer) { m_containingSizer = sizer; }
+ wxSizer *GetContainingSizer() const { return m_containingSizer; }
+
#endif // wxUSE_CONSTRAINTS
// 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
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;
- // 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;
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;
+#if wxUSE_PALETTE
+ wxPalette m_palette;
+ bool m_hasCustomPalette;
+#endif // wxUSE_PALETTE
+
protected:
+
// common part of all ctors: it is not virtual because it is called from
// ctor
void InitBase();
+ // override this to change the default (i.e. used when no style is
+ // specified) border for the window class
+ virtual wxBorder GetDefaultBorder() const;
+
// get the default size for the new window if no explicit size given
// FIXME why 20 and not 30, 10 or ...?
static int WidthDefault(int w) { return w == -1 ? 20 : w; }
static int HeightDefault(int h) { return h == -1 ? 20 : h; }
- // sets the size to be size but take width and/or height from
- // DoGetBestSize() if width/height of size is -1
- //
- // NB: when calling this function from the ctor, the DoGetBestSize() of
- // the class with the same name as the ctor, not the real (most
- // derived) one - but this is what we usually want
- void SetSizeOrDefault(const wxSize& size = wxDefaultSize)
+ // set the best size for the control if the default size was given:
+ // replaces the fields of size == -1 with the best values for them and
+ // calls SetSize() if needed
+ void SetBestSize(const wxSize& size)
{
if ( size.x == -1 || size.y == -1 )
{
- wxSize sizeDef = GetBestSize();
- SetSize( size.x == -1 ? sizeDef.x : size.x,
- size.y == -1 ? sizeDef.y : size.y);
- }
- else
- {
- SetSize(size);
+ wxSize sizeBest = DoGetBestSize();
+ if ( size.x != -1 )
+ sizeBest.x = size.x;
+ if ( size.y != -1 )
+ sizeBest.y = size.y;
+
+ SetSize(sizeBest);
}
}
virtual void DoClientToScreen( int *x, int *y ) const = 0;
virtual void DoScreenToClient( int *x, int *y ) const = 0;
+ 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 void DoSetToolTip( wxToolTip *tip );
#endif // wxUSE_TOOLTIPS
+#if wxUSE_MENUS
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);
- // what kind of data do we have?
- enum wxClientDataType
- {
- ClientData_None, // we don't know yet because we don't have it at all
- ClientData_Object, // our client data is typed and we own it
- ClientData_Void // client data is untyped and we don't own it
- } m_clientDataType;
private:
+
// contains the last id generated by NewControlId
static int ms_lastControlId;
- DECLARE_NO_COPY_CLASS(wxWindowBase);
+ // 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()
};
// now include the declaration of wxWindow class
// ----------------------------------------------------------------------------
+// include the declaration of the platform-specific class
#if defined(__WXMSW__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowMSW
+ #else // !wxUniv
+ #define wxWindowMSW wxWindow
+ #define sm_classwxWindowMSW sm_classwxWindow
+ #endif // wxUniv/!wxUniv
#include "wx/msw/window.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/window.h"
#elif defined(__WXGTK__)
+ #ifdef __WXUNIVERSAL__
+ #define wxWindowNative wxWindowGTK
+ #else // !wxUniv
+ #define wxWindowGTK wxWindow
+ #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
+// for wxUniversal, we now derive the real wxWindow from wxWindow<platform>,
+// for the native ports we already have defined it above
+#if defined(__WXUNIVERSAL__)
+ #ifndef wxWindowNative
+ #error "wxWindowNative must be defined above!"
+ #endif
+
+ #include "wx/univ/window.h"
+#endif // wxUniv
+
// ----------------------------------------------------------------------------
// inline functions which couldn't be declared in the class body because of
// forward dependencies
// global functions
// ----------------------------------------------------------------------------
-WXDLLEXPORT extern wxWindow* wxGetActiveWindow();
-
// Find the wxWindow at the current mouse position, also returning the mouse
// position.
WXDLLEXPORT extern wxWindow* wxFindWindowAtPointer(wxPoint& pt);
// Get the current mouse position.
WXDLLEXPORT extern wxPoint wxGetMousePosition();
+// get the currently active window of this application or NULL
+WXDLLEXPORT extern wxWindow *wxGetActiveWindow();
+
// deprecated (doesn't start with 'wx' prefix), use wxWindow::NewControlId()
inline int NewControlId() { return wxWindowBase::NewControlId(); }
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