// Purpose: interface of wxScrolled template
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+/**
+ Possible values for the second argument of wxScrolled::ShowScrollbars().
+ */
+enum wxScrollbarVisibility
+{
+ wxSHOW_SB_NEVER = -1, ///< Never show the scrollbar at all.
+ wxSHOW_SB_DEFAULT, ///< Show scrollbar only if it is needed.
+ wxSHOW_SB_ALWAYS ///< Always show scrollbar, even if not needed.
+};
+
/**
The wxScrolled class manages scrolling for its client area, transforming
@param id
Window identifier. The value @c wxID_ANY indicates a default value.
@param pos
- Window position. If a position of @c wxDefaultPosition is specified
+ Window position. If a position of ::wxDefaultPosition is specified
then a default position is chosen.
@param size
- Window size. If a size of @c wxDefaultSize is specified then the
+ Window size. If a size of ::wxDefaultSize is specified then the
window is sized appropriately.
@param style
Window style. See wxScrolled.
10) and so the call to CalcScrolledPosition(0, 10, xx, yy) will return
0 in yy.
+ @beginWxPerlOnly
+ In wxPerl this method takes two parameters and returns a
+ 2-element list (xx, yy).
+ @endWxPerlOnly
+
@see CalcUnscrolledPosition()
*/
void CalcScrolledPosition(int x, int y, int* xx, int* yy) const;
10) and so the call to CalcUnscrolledPosition(0, 0, xx, yy) will return
10 in yy.
+ @beginWxPerlOnly
+ In wxPerl this method takes two parameters and returns a
+ 2-element list (xx, yy).
+ @endWxPerlOnly
+
@see CalcScrolledPosition()
*/
void CalcUnscrolledPosition(int x, int y, int* xx, int* yy) const;
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.
*/
void EnableScrolling(bool xScrolling, bool yScrolling);
+ /**
+ Set the scrollbar visibility.
+
+ By default the scrollbar in the corresponding direction is only shown
+ if it is needed, i.e. if the virtual size of the scrolled window in
+ this direction is greater than the current physical window size. Using
+ this function the scrollbar visibility can be changed to be:
+ - wxSHOW_SB_ALWAYS: To always show the scrollbar, even if it is
+ not needed currently (wxALWAYS_SHOW_SB style can be used during
+ the window creation to achieve the same effect but it applies
+ in both directions).
+ - wxSHOW_SB_NEVER: To never show the scrollbar at all. In this case
+ the program should presumably provide some other way for the
+ user to scroll the window.
+ - wxSHOW_SB_DEFAULT: To restore the default behaviour described
+ above.
+
+ @param horz
+ The desired visibility for the horizontal scrollbar.
+ @param vert
+ The desired visibility for the vertical scrollbar.
+
+ @since 2.9.0
+ */
+ void ShowScrollbars(wxScrollbarVisibility horz, wxScrollbarVisibility vert);
+
/**
Get the number of pixels per scroll unit (line), in each direction, as
set by SetScrollbars(). A value of zero indicates no scrolling in that
@param yUnit
Receives the number of pixels per vertical unit.
+ @beginWxPerlOnly
+ In wxPerl this method takes no parameters and returns a
+ 2-element list (xUnit, yUnit).
+ @endWxPerlOnly
+
@see SetScrollbars(), GetVirtualSize()
*/
void GetScrollPixelsPerUnit(int* xUnit, int* yUnit) const;
- //@{
/**
Get the position at which the visible portion of the window starts.
@param y
Receives the first visible y position in scroll units.
- @remarks If either of the scrollbars is not at the home position, x
- and/or y will be greater than zero. Combined with
- wxWindow::GetClientSize(), the application can use this
- function to efficiently redraw only the visible portion
- of the window. The positions are in logical scroll
- units, not pixels, so to convert to pixels you will
- have to multiply by the number of pixels per scroll
- increment.
+ @remarks
+ If either of the scrollbars is not at the home position, @a x
+ and/or @a y will be greater than zero.
+ Combined with wxWindow::GetClientSize(), the application can use this
+ function to efficiently redraw only the visible portion of the window.
+ The positions are in logical scroll units, not pixels, so to convert
+ to pixels you will have to multiply by the number of pixels per scroll
+ increment.
+
+ @beginWxPerlOnly
+ In wxPerl this method takes no parameters and returns a
+ 2-element list (x, y).
+ @endWxPerlOnly
@see SetScrollbars(), Scroll()
*/
void GetViewStart(int* x, int* y) const;
+
+ /**
+ This is a simple overload of GetViewStart(int*,int*); see that function
+ for more info.
+ */
wxPoint GetViewStart() const;
- //@}
/**
Gets the size in device units of the scrollable window area (as
@remarks Use wxDC::DeviceToLogicalX() and wxDC::DeviceToLogicalY() to
translate these units to logical units.
+ @beginWxPerlOnly
+ In wxPerl this method takes no parameters and returns a
+ 2-element list (xUnit, yUnit).
+ @endWxPerlOnly
+
@see SetScrollbars(), GetScrollPixelsPerUnit()
*/
void GetVirtualSize(int* x, int* y) const;
*/
void PrepareDC(wxDC& dc);
- //@{
/**
Scrolls a window so the view start is at the given point.
@remarks The positions are in scroll units, not pixels, so to convert to
pixels you will have to multiply by the number of
pixels per scroll increment. If either parameter is
- wxDefaultCoord (-1), that position will be ignored (no change
+ ::wxDefaultCoord (-1), that position will be ignored (no change
in that direction).
@see SetScrollbars(), GetScrollPixelsPerUnit()
*/
void Scroll(int x, int y);
+
+ /**
+ This is an overload of Scroll(int,int); see that function for more info.
+ */
void Scroll(const wxPoint& pt);
- //@}
/**
Set the horizontal and vertical scrolling increment only. See the
projects / wxWidgets.git / blobdiff