wxSHOW_EFFECT_MAX
};
+// flags for SendSizeEvent()
+enum
+{
+ wxSEND_EVENT_POST = 1
+};
+
// ----------------------------------------------------------------------------
// (pseudo)template list classes
// ----------------------------------------------------------------------------
bool DestroyChildren();
// is the window being deleted?
- bool IsBeingDeleted() const { return m_isBeingDeleted; }
+ bool IsBeingDeleted() const;
// window attributes
// -----------------
// get the size best suited for the window (in fact, minimal
// acceptable size using which it will still look "nice" in
// most situations)
- wxSize GetBestSize() const
- {
- if (m_bestSizeCache.IsFullySpecified())
- return m_bestSizeCache;
- return DoGetBestSize();
- }
+ wxSize GetBestSize() const;
+
void GetBestSize(int *w, int *h) const
{
wxSize s = GetBestSize();
// This function will merge the window's best size into the window's
// minimum size, giving priority to the min size components, and
// returns the results.
- wxSize GetEffectiveMinSize() const;
+ virtual wxSize GetEffectiveMinSize() const;
wxDEPRECATED( wxSize GetBestFittingSize() const ); // replaced by GetEffectiveMinSize
wxDEPRECATED( wxSize GetAdjustedMinSize() const ); // replaced by GetEffectiveMinSize
// Call these to override what GetBestSize() returns. This
// method is only virtual because it is overriden in wxTLW
// as a different API for SetSizeHints().
- virtual void SetMinSize(const wxSize& minSize) { m_minWidth = minSize.x; m_minHeight = minSize.y; }
- virtual void SetMaxSize(const wxSize& maxSize) { m_maxWidth = maxSize.x; m_maxHeight = maxSize.y; }
+ virtual void SetMinSize(const wxSize& minSize);
+ virtual void SetMaxSize(const wxSize& maxSize);
// Like Set*Size, but for client, not window, size
virtual void SetMinClientSize(const wxSize& size)
// stretch over several lines). Parameter availableOtherDir
// tells the item how much more space there is available in the opposite
// direction (-1 if unknown).
- virtual bool InformFirstDirection( int WXUNUSED(direction), int WXUNUSED(size), int WXUNUSED(availableOtherDir) )
- { return false; }
+ virtual bool
+ InformFirstDirection(int WXUNUSED(direction),
+ int WXUNUSED(size),
+ int WXUNUSED(availableOtherDir))
+ {
+ return false;
+ }
+
+ // sends a size event to the window using its current size -- this has an
+ // effect of refreshing the window layout
+ //
+ // by default the event is sent, i.e. processed immediately, but if flags
+ // value includes wxSEND_EVENT_POST then it's posted, i.e. only schedule
+ // for later processing
+ virtual void SendSizeEvent(int flags = 0);
+
+ // this is a safe wrapper for GetParent()->SendSizeEvent(): it checks that
+ // we have a parent window and it's not in process of being deleted
+ //
+ // this is used by controls such as tool/status bars changes to which must
+ // also result in parent re-layout
+ void SendSizeEventToParent(int flags = 0);
+
+ // this is a more readable synonym for SendSizeEvent(wxSEND_EVENT_POST)
+ void PostSizeEvent() { SendSizeEvent(wxSEND_EVENT_POST); }
+
+ // this is the same as SendSizeEventToParent() but using PostSizeEvent()
+ void PostSizeEventToParent() { SendSizeEventToParent(wxSEND_EVENT_POST); }
+
// window state
// ------------
// replace the event handler (allows to completely subclass the
// window)
- void SetEventHandler( wxEvtHandler *handler ) { m_eventHandler = handler; }
+ void SetEventHandler( wxEvtHandler *handler );
// push/pop event handler: allows to chain a custom event handler to
// alreasy existing ones
// be there)
bool RemoveEventHandler(wxEvtHandler *handler);
- // Process an event by calling GetEventHandler()->ProcessEvent() and
- // handling any exceptions thrown by event handlers. It's mostly useful
- // when processing wx events when called from C code (e.g. in GTK+
- // callback) when the exception wouldn't correctly propagate to
- // wxEventLoop.
+ // Process an event by calling GetEventHandler()->ProcessEvent(): this
+ // is a straightforward replacement for ProcessEvent() itself which
+ // shouldn't be used directly with windows as it doesn't take into
+ // account any event handlers associated with the window
+ bool ProcessWindowEvent(wxEvent& event)
+ { return GetEventHandler()->ProcessEvent(event); }
+
+ // Process an event by calling GetEventHandler()->ProcessEvent() and
+ // handling any exceptions thrown by event handlers. It's mostly useful
+ // when processing wx events when called from C code (e.g. in GTK+
+ // callback) when the exception wouldn't correctly propagate to
+ // wxEventLoop.
bool HandleWindowEvent(wxEvent& event) const;
+ // disable wxEvtHandler double-linked list mechanism:
+ virtual void SetNextHandler(wxEvtHandler *handler);
+ virtual void SetPreviousHandler(wxEvtHandler *handler);
+
+
+ // Watcom doesn't allow reducing access with using access declaration, see
+ // #10749
+#ifndef __WATCOMC__
+protected:
+
+ // NOTE: we change the access specifier of the following wxEvtHandler functions
+ // so that the user won't be able to call them directly.
+ // Calling wxWindow::ProcessEvent in fact only works when there are NO
+ // event handlers pushed on the window.
+ // To ensure correct operation, instead of wxWindow::ProcessEvent
+ // you must always call wxWindow::GetEventHandler()->ProcessEvent()
+ // or HandleWindowEvent().
+ // The same holds for all other wxEvtHandler functions.
+
+ using wxEvtHandler::ProcessEvent;
+#if wxUSE_THREADS
+ using wxEvtHandler::ProcessThreadEvent;
+#endif
+ using wxEvtHandler::SafelyProcessEvent;
+ using wxEvtHandler::ProcessPendingEvents;
+ using wxEvtHandler::AddPendingEvent;
+ using wxEvtHandler::QueueEvent;
+#endif // __WATCOMC__
+
+public:
+
// validators
// ----------
wxColour GetForegroundColour() const;
// Set/get the background style.
- // Pass one of wxBG_STYLE_SYSTEM, wxBG_STYLE_COLOUR, wxBG_STYLE_CUSTOM
- virtual bool SetBackgroundStyle(wxBackgroundStyle style) { m_backgroundStyle = style; return true; }
- virtual wxBackgroundStyle GetBackgroundStyle() const { return m_backgroundStyle; }
+ virtual bool SetBackgroundStyle(wxBackgroundStyle style)
+ { m_backgroundStyle = style; return true; }
+ wxBackgroundStyle GetBackgroundStyle() const
+ { return m_backgroundStyle; }
// returns true if the control has "transparent" areas such as a
// wxStaticText and wxCheckBox and the background should be adapted
// get the width/height/... of the text using current or specified
// font
- virtual void GetTextExtent(const wxString& string,
- int *x, int *y,
- int *descent = (int *) NULL,
- int *externalLeading = (int *) NULL,
- const wxFont *theFont = (const wxFont *) NULL)
- const = 0;
+ void GetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const
+ {
+ DoGetTextExtent(string, x, y, descent, externalLeading, font);
+ }
wxSize GetTextExtent(const wxString& string) const
{
// scroll window to the specified position
virtual void ScrollWindow( int dx, int dy,
- const wxRect* rect = (wxRect *) NULL ) = 0;
+ const wxRect* rect = NULL ) = 0;
// scrolls window by line/page: note that not all controls support this
//
#if wxUSE_TOOLTIPS
// the easiest way to set a tooltip for a window is to use this method
void SetToolTip( const wxString &tip );
- // attach a tooltip to the window
+ // attach a tooltip to the window, pointer can be NULL to remove
+ // existing tooltip
void SetToolTip( wxToolTip *tip ) { DoSetToolTip(tip); }
+ // more readable synonym for SetToolTip(NULL)
+ void UnsetToolTip() { SetToolTip(NULL); }
// get the associated tooltip or NULL if none
wxToolTip* GetToolTip() const { return m_tooltip; }
- wxString GetToolTipText() const ;
-#else
+ wxString GetToolTipText() const;
+#else // !wxUSE_TOOLTIPS
// make it much easier to compile apps in an environment
// that doesn't support tooltips, such as PocketPC
- inline void SetToolTip( const wxString & WXUNUSED(tip) ) {}
-#endif // wxUSE_TOOLTIPS
+ void SetToolTip(const wxString & WXUNUSED(tip)) { }
+ void UnsetToolTip() { }
+#endif // wxUSE_TOOLTIPS/!wxUSE_TOOLTIPS
// drag and drop
// -------------
// NULL; it's owned by the window and will be deleted by it)
virtual void SetDropTarget( wxDropTarget *dropTarget ) = 0;
virtual wxDropTarget *GetDropTarget() const { return m_dropTarget; }
+
+ // Accept files for dragging
+ virtual void DragAcceptFiles(bool accept)
+#ifdef __WXMSW__
+ // it does have common implementation but not for MSW which has its own
+ // native version of it
+ = 0
+#endif // __WXMSW__
+ ;
+
#endif // wxUSE_DRAG_AND_DROP
// constraints and sizers
protected:
// event handling specific to wxWindow
- virtual bool TryValidator(wxEvent& event);
- virtual bool TryParent(wxEvent& event);
+ virtual bool TryBefore(wxEvent& event);
+ virtual bool TryAfter(wxEvent& event);
enum WindowOrder
{
void SatisfyConstraints();
#endif // wxUSE_CONSTRAINTS
- // Send the wxWindowDestroyEvent
+ // Send the wxWindowDestroyEvent if not done yet and sets m_isBeingDeleted
+ // to true
void SendDestroyEvent();
// returns the main window of composite control; this is the window
// overloaded Something()s in terms of DoSomething() which will be the
// only one to be virtual.
+ // text extent
+ virtual void DoGetTextExtent(const wxString& string,
+ int *x, int *y,
+ int *descent = NULL,
+ int *externalLeading = NULL,
+ const wxFont *font = NULL) const = 0;
+
// coordinates translation
virtual void DoClientToScreen( int *x, int *y ) const = 0;
virtual void DoScreenToClient( int *x, int *y ) const = 0;
// same size as it would have after a call to Fit()
virtual wxSize DoGetBestSize() const;
+ // this method can be overridden instead of DoGetBestSize() if it computes
+ // the best size of the client area of the window only, excluding borders
+ // (GetBorderSize() will be used to add them)
+ virtual wxSize DoGetBestClientSize() const { return wxDefaultSize; }
+
// 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
int maxW, int maxH,
int incW, int incH );
+ // return the total size of the window borders, i.e. the sum of the widths
+ // of the left and the right border in the x component of the returned size
+ // and the sum of the heights of the top and bottom borders in the y one
+ //
+ // NB: this is new/temporary API only implemented by wxMSW so far and
+ // subject to change, don't use
+ virtual wxSize DoGetBorderSize() const
+ {
+ wxFAIL_MSG( "must be overridden if called" );
+
+ return wxDefaultSize;
+ }
+
// 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
void NotifyWindowOnEnableChange(bool enabled);
#if wxUSE_MENUS
- // temporary event handler used by GetPopupMenuSelectionFromUser()
+ // temporary event handlers used by GetPopupMenuSelectionFromUser()
void InternalOnPopupMenu(wxCommandEvent& event);
+ void InternalOnPopupMenuUpdate(wxUpdateUIEvent& event);
// implementation of the public GetPopupMenuSelectionFromUser() method
int DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y);
#endif // wxUSE_MENUS
+ // layout the window children when its size changes unless this was
+ // explicitly disabled with SetAutoLayout(false)
+ void InternalOnSize(wxSizeEvent& event);
+
+
// the stack of windows which have captured the mouse
static struct WXDLLIMPEXP_FWD_CORE wxWindowNext *ms_winCaptureNext;
DECLARE_ABSTRACT_CLASS(wxWindowBase)
- DECLARE_NO_COPY_CLASS(wxWindowBase)
+ wxDECLARE_NO_COPY_CLASS(wxWindowBase);
DECLARE_EVENT_TABLE()
};
inline wxWindow *wxWindowBase::GetGrandParent() const
{
- return m_parent ? m_parent->GetParent() : (wxWindow *)NULL;
+ return m_parent ? m_parent->GetParent() : NULL;
}
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff