X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1058f652031c9b99daa7c701f09f16c3af7159c1..7344108e8a129a3f9b4df5ab0f98a1713db03b89:/interface/wx/scrolwin.h diff --git a/interface/wx/scrolwin.h b/interface/wx/scrolwin.h index 9749ef7e8c..8a9b909309 100644 --- a/interface/wx/scrolwin.h +++ b/interface/wx/scrolwin.h @@ -3,7 +3,7 @@ // Purpose: interface of wxScrolled template // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @@ -32,7 +32,7 @@ enum wxScrollbarVisibility - ::wxScrolledCanvas, aka wxScrolled, derives from wxWindow and so doesn't handle children specially. This is suitable e.g. for - implementating scrollable controls such as tree or list controls. + implementing scrollable controls such as tree or list controls. Starting from version 2.4 of wxWidgets, there are several ways to use a ::wxScrolledWindow (and now wxScrolled). In particular, there are @@ -103,6 +103,34 @@ enum wxScrollbarVisibility Uses a backing pixmap to speed refreshes. Motif only. @endStyleTable + + @beginEventEmissionTable{wxScrollWinEvent} + @event{EVT_SCROLLWIN(func)} + Process all scroll events. + @event{EVT_SCROLLWIN_TOP(func)} + Process @c wxEVT_SCROLLWIN_TOP scroll-to-top events. + @event{EVT_SCROLLWIN_BOTTOM(func)} + Process @c wxEVT_SCROLLWIN_BOTTOM scroll-to-bottom events. + @event{EVT_SCROLLWIN_LINEUP(func)} + Process @c wxEVT_SCROLLWIN_LINEUP line up events. + @event{EVT_SCROLLWIN_LINEDOWN(func)} + Process @c wxEVT_SCROLLWIN_LINEDOWN line down events. + @event{EVT_SCROLLWIN_PAGEUP(func)} + Process @c wxEVT_SCROLLWIN_PAGEUP page up events. + @event{EVT_SCROLLWIN_PAGEDOWN(func)} + Process @c wxEVT_SCROLLWIN_PAGEDOWN page down events. + @event{EVT_SCROLLWIN_THUMBTRACK(func)} + Process @c wxEVT_SCROLLWIN_THUMBTRACK thumbtrack events + (frequent events sent as the user drags the thumbtrack). + @event{EVT_SCROLLWIN_THUMBRELEASE(func)} + Process @c wxEVT_SCROLLWIN_THUMBRELEASE thumb release events. + @endEventTable + + @note + Don't confuse wxScrollWinEvents generated by this class with + wxScrollEvent objects generated by wxScrollBar and wxSlider. + + @remarks Use wxScrolled for applications where the user scrolls by a fixed amount, and where a 'page' can be interpreted to be the current visible portion of @@ -199,6 +227,22 @@ public: long style = wxHSCROLL | wxVSCROLL, const wxString& name = "scrolledWindow"); + /** + Disable use of keyboard keys for scrolling. + + By default cursor movement keys (including Home, End, Page Up and Down) + are used to scroll the window appropriately. If the derived class uses + these keys for something else, e.g. changing the currently selected + item, this function can be used to disable this behaviour as it's not + only not necessary then but can actually be actively harmful if another + object forwards a keyboard event corresponding to one of the above keys + to us using ProcessWindowEvent() because the event will always be + processed which can be undesirable. + + @since 2.9.1 + */ + void DisableKeyboardScrolling(); + /** Call this function to prepare the device context for drawing a scrolled image. @@ -477,6 +521,42 @@ public: method must be overridden. */ void SetTargetWindow(wxWindow *window); + wxWindow *GetTargetWindow() const; + + + void SetTargetRect(const wxRect& rect); + wxRect GetTargetRect() const; + + int GetScrollPageSize(int orient) const; + void SetScrollPageSize(int orient, int pageSize); + int GetScrollLines( int orient ) const; + void SetScale(double xs, double ys); + double GetScaleX() const; + double GetScaleY() const; + + virtual void AdjustScrollbars(); + + /** + Are we generating the autoscroll events? + */ + bool IsAutoScrolling() const; + + /** + Stop generating the scroll events when mouse is held outside the + window. + */ + void StopAutoScrolling(); + + /** + This method can be overridden in a derived class to forbid sending the + auto scroll events - note that unlike StopAutoScrolling() it doesn't + stop the timer, so it will be called repeatedly and will typically + return different values depending on the current mouse position + + The base class version just returns true. + */ + virtual bool SendAutoScrollEvents(wxScrollWinEvent& event) const; + protected: /** @@ -498,10 +578,10 @@ protected: /** Scrolled window derived from wxPanel. - See wxScrolled for detailed description. + See wxScrolled for a detailed description. @note Note that because this class derives from wxPanel, it shares its - behavior with regard to TAB traversal and focus handling (in + behaviour with regard to TAB traversal and focus handling (in particular, it forwards focus to its children). If you don't want this behaviour, use ::wxScrolledCanvas instead.