///////////////////////////////////////////////////////////////////////////////
-// Name: window.h
+// Name: wx/window.h
// Purpose: wxWindowBase class - the interface of wxWindow
// Author: Vadim Zeitlin
// Modified by:
#include "wx/font.h" // so we can't do without them
#include "wx/colour.h"
#include "wx/region.h"
+#include "wx/utils.h"
+
+#include "wx/validate.h" // for wxDefaultValidator (always include it)
#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;
class WXDLLEXPORT wxResourceTable;
class WXDLLEXPORT wxSizer;
class WXDLLEXPORT wxToolTip;
-class WXDLLEXPORT wxValidator;
class WXDLLEXPORT wxWindowBase;
class WXDLLEXPORT wxWindow;
// (pseudo)template list classes
// ----------------------------------------------------------------------------
-WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode);
+WX_DECLARE_LIST_3(wxWindow, wxWindowBase, wxWindowList, wxWindowListNode, class WXDLLEXPORT);
// ----------------------------------------------------------------------------
// global variables
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
// -------------------
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
+ const wxValidator& validator = wxDefaultValidator,
const wxString& name = wxPanelNameStr);
virtual ~wxWindowBase();
// 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(); }
+ void GetBestSize(int *w, int *h) const
+ {
+ wxSize s = DoGetBestSize();
+ if ( w )
+ *w = s.x;
+ if ( h )
+ *h = s.y;
+ }
+
+ // the generic centre function - centers the window on parent by
+ // default or on screen if it doesn't have parent or
+ // wxCENTER_ON_SCREEN flag is given
+ void Centre( int direction = wxBOTH );
+ void Center( int direction = wxBOTH ) { Centre(direction); }
+
+ // centre on screen (only works for top level windows)
+ void CentreOnScreen(int dir = wxBOTH) { Centre(dir | wxCENTER_ON_SCREEN); }
+ void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
+
// centre with respect to the the parent window
- void Centre( int direction = wxHORIZONTAL );
- void Center( int direction = wxHORIZONTAL ) { Centre(direction); }
- void CentreOnParent(int direction = wxHORIZONTAL );
- void CenterOnParent(int direction = wxHORIZONTAL ) { CentreOnParent(direction); }
+ void CentreOnParent(int dir = wxBOTH) { Centre(dir | wxCENTER_FRAME); }
+ void CenterOnParent(int dir = wxBOTH) { CentreOnParent(dir); }
// set window size to wrap around its children
virtual void Fit();
int maxW = -1, int maxH = -1,
int incW = -1, int incH = -1 );
+ int GetMinWidth() const { return m_minWidth; }
+ int GetMinHeight() const { return m_minHeight; }
+ int GetMaxWidth() const { return m_maxWidth; }
+ int GetMaxHeight() const { return m_maxHeight; }
+
// window state
// ------------
long GetWindowStyle() const { return GetWindowStyleFlag(); }
bool HasFlag(int flag) const { return (m_windowStyle & flag) != 0; }
+ virtual bool IsRetained() const { return HasFlag(wxRETAINED); }
- virtual bool IsRetained() const
- { return (m_windowStyle & wxRETAINED) != 0; }
+ // extra style: the less often used style bits which can't be set with
+ // SetWindowStyleFlag()
+ void SetExtraStyle(long exStyle) { m_exStyle = exStyle; }
+ long GetExtraStyle() const { return m_exStyle; }
// make the window modal (all other windows unresponsive)
virtual void MakeModal(bool modal = TRUE);
- // focus handling
- // --------------
+ virtual void SetThemeEnabled(bool enableTheme) { m_themeEnabled = enableTheme; }
+ virtual bool GetThemeEnabled() const { return m_themeEnabled; }
+
+ // 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
// -------------------------
inline wxWindow *GetGrandParent() const;
// is this window a top level one?
- bool IsTopLevel() const;
+ virtual bool IsTopLevel() const;
// it doesn't really change parent, use ReParent() instead
void SetParent( wxWindowBase *parent ) { m_parent = (wxWindow *)parent; }
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
- virtual void SetClientObject( wxClientData *data )
- {
- if ( m_clientObject )
- delete m_clientObject;
-
- m_clientObject = data;
- }
- virtual wxClientData *GetClientObject() const { return m_clientObject; }
-
- virtual void SetClientData( void *data ) { m_clientData = data; }
- virtual void *GetClientData() const { return m_clientData; }
// 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();
- virtual bool PopupMenu( wxMenu *menu, int x, int y ) = 0;
+#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
+ // ----------------------
+
+ // these are the convenience functions wrapping wxHelpProvider methods
+
+#if wxUSE_HELP
+ // associate this help text with this window
+ void SetHelpText(const wxString& text);
+ // associate this help text with all windows with the same id as this
+ // one
+ void SetHelpTextForId(const wxString& text);
+ // get the help string associated with this window (may be empty)
+ wxString GetHelpText() const;
+#endif // wxUSE_HELP
+
// tooltips
// --------
+
#if wxUSE_TOOLTIPS
// the easiest way to set a tooltip for a window is to use this method
void SetToolTip( const wxString &tip );
virtual void SetConstraintSizes(bool recurse = TRUE);
virtual bool LayoutPhase1(int *noChanges);
virtual bool LayoutPhase2(int *noChanges);
- virtual bool DoPhase(int);
+ virtual bool DoPhase(int phase);
// these methods are virtual but normally won't be overridden
- virtual void TransformSizerToActual(int *x, int *y) const ;
virtual void SetSizeConstraint(int x, int y, int w, int h);
virtual void MoveConstraint(int x, int y);
virtual void GetSizeConstraint(int *w, int *h) const ;
// TODO: what are they and how do they work??
void SetSizer( wxSizer *sizer );
wxSizer *GetSizer() const { return m_windowSizer; }
-
- void SetSizerParent( wxWindowBase *win ) { m_sizerParent = win; }
- wxWindowBase *GetSizerParent() const { return m_sizerParent; }
-
- virtual void SizerSetSize(int x, int y, int w, int h);
- virtual void SizerMove(int x, int y);
#endif // wxUSE_CONSTRAINTS
// backward compatibility
// event handlers
void OnSysColourChanged( wxSysColourChangedEvent& event );
void OnInitDialog( wxInitDialogEvent &event );
+ void OnMiddleClick( wxMouseEvent& event );
+#if wxUSE_HELP
+ void OnHelp(wxHelpEvent& event);
+#endif // wxUSE_HELP
// get the haqndle of the window for the underlying window system: this
// is only used for wxWin itself or for user code which wants to call
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
- wxClientData *m_clientObject;
- void *m_clientData;
-
// the tooltip for this window (may be NULL)
#if wxUSE_TOOLTIPS
wxToolTip *m_tooltip;
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;
+ long m_windowStyle,
+ m_exStyle;
wxString m_windowName;
+ bool m_themeEnabled;
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; }
+ // 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 sizeBest = DoGetBestSize();
+ if ( size.x != -1 )
+ sizeBest.x = size.x;
+ if ( size.y != -1 )
+ sizeBest.y = size.y;
+
+ SetSize(sizeBest);
+ }
+ }
+
// more pure virtual functions
// ---------------------------
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 DoGetClientSize( int *width, int *height ) const = 0;
+ // get the size which best suits the window: for a control, it would be
+ // the minimal size which doesn't truncate the control, for a panel - the
+ // same size as it would have after a call to Fit()
+ virtual wxSize DoGetBestSize() const;
+
// this is the virtual function to be overriden in any derived class which
// wants to change how SetSize() or Move() works - it is called by all
// versions of these functions in the base class
// same as DoSetSize() for the client size
virtual void DoSetClientSize(int width, int height) = 0;
+ // move the window to the specified location and resize it: this is called
+ // from both DoSetSize() and DoSetClientSize() and would usually just
+ // reposition this window except for composite controls which will want to
+ // arrange themselves inside the given rectangle
+ virtual void DoMoveWindow(int x, int y, int width, int height) = 0;
+
#if wxUSE_TOOLTIPS
virtual void DoSetToolTip( wxToolTip *tip );
#endif // wxUSE_TOOLTIPS
+#if wxUSE_MENUS
+ virtual bool DoPopupMenu( wxMenu *menu, int x, int y ) = 0;
+#endif // wxUSE_MENUS
+
+ // 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);
+
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(__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 function
+// global functions
// ----------------------------------------------------------------------------
-WXDLLEXPORT extern wxWindow* wxGetActiveWindow();
-inline WXDLLEXPORT int NewControlId() { return wxWindowBase::NewControlId(); }
+// 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(); }
#endif
// _WX_WINDOW_H_BASE_
projects / wxWidgets.git / blobdiff