/////////////////////////////////////////////////////////////////////////////
// Name: scrolwin.h
-// Purpose: documentation for wxScrolledWindow class
+// Purpose: interface of wxScrolledWindow
// Author: wxWidgets team
// RCS-ID: $Id$
// Licence: wxWindows license
@library{wxcore}
@category{miscwnd}
- @seealso
- wxScrollBar, wxClientDC, wxPaintDC, wxVScrolledWindow
+ @see wxScrollBar, wxClientDC, wxPaintDC, wxVScrolledWindow
*/
class wxScrolledWindow : public wxPanel
{
//@{
/**
Constructor.
-
+
@param parent
Parent window.
@param id
Window style. See wxScrolledWindow.
@param name
Window name.
-
+
@remarks The window is initially created without visible scrollbars. Call
SetScrollbars() to specify how big the
virtual window size should be.
0)
(as always), but the logical coordinates are (0, 10) and so the call to
CalcScrolledPosition(0, 10, xx, yy) will return 0 in yy.
-
+
@see CalcUnscrolledPosition()
*/
- void CalcScrolledPosition(int x, int y, int* xx, int* yy);
+ void CalcScrolledPosition(int x, int y, int* xx, int* yy) const;
/**
Translates the device coordinates to the logical ones. For example, if a window
0)
(as always), but the logical coordinates are (0, 10) and so the call to
CalcUnscrolledPosition(0, 0, xx, yy) will return 10 in yy.
-
+
@see CalcScrolledPosition()
*/
- void CalcUnscrolledPosition(int x, int y, int* xx, int* yy);
+ void CalcUnscrolledPosition(int x, int y, int* xx, int* yy) const;
/**
Creates the window for two-step construction. Derived classes
scrolling will not work, and you should switch it off. Note that you
will have to reposition child windows yourself, if physical scrolling
is disabled.
-
+
@param xScrolling
If @true, enables physical scrolling in the x direction.
@param yScrolling
If @true, enables physical scrolling in the y direction.
-
+
@remarks Physical scrolling may not be available on all platforms. Where
it is available, it is enabled by default.
*/
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 direction.
-
+
@param xUnit
Receives the number of pixels per horizontal unit.
@param yUnit
Receives the number of pixels per vertical unit.
-
+
@see SetScrollbars(), GetVirtualSize()
*/
- void GetScrollPixelsPerUnit(int* xUnit, int* yUnit);
+ void GetScrollPixelsPerUnit(int* xUnit, int* yUnit) const;
/**
Get the position at which the visible portion of the window starts.
-
+
@param x
Receives the first visible x position in scroll units.
@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
units, not pixels, so to convert to pixels you will
have to multiply by the number of pixels per scroll
increment.
-
+
@see SetScrollbars()
*/
- void GetViewStart(int* x, int* y);
+ void GetViewStart(int* x, int* y) const;
/**
Gets the size in device units of the scrollable window area (as
opposed to the client size, which is the area of the window currently
visible).
-
+
@param x
Receives the length of the scrollable window, in pixels.
@param y
Receives the height of the scrollable window, in pixels.
-
+
@remarks Use wxDC::DeviceToLogicalX and wxDC::DeviceToLogicalY to
translate these units to logical units.
-
+
@see SetScrollbars(), GetScrollPixelsPerUnit()
*/
- void GetVirtualSize(int* x, int* y);
+ void GetVirtualSize(int* x, int* y) const;
/**
Motif only: @true if the window has a backing bitmap.
*/
- bool IsRetained();
+ bool IsRetained() const;
/**
Called by the default paint event handler to allow the application to define
/**
Scrolls a window so the view start is at the given point.
-
+
@param x
The x position to scroll to, in scroll units.
@param y
The y position to scroll to, in scroll units.
-
+
@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 -1,
that position will be ignored (no change in that
direction).
-
+
@see SetScrollbars(), GetScrollPixelsPerUnit()
*/
void Scroll(int x, int y);
/**
Sets up vertical and/or horizontal scrollbars.
-
+
@param pixelsPerUnitX
Pixels per scroll unit in the horizontal direction.
@param pixelsPerUnitY
units.
@param noRefresh
Will not refresh window if @true.
-
+
@remarks The first pair of parameters give the number of pixels per
'scroll step', i.e. amount moved when the up or down
scroll arrows are pressed. The second pair gives the
length of scrollbar in scroll steps, which sets the
size of the virtual window.
-
+
@see wxWindow::SetVirtualSize
*/
void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
*/
void SetTargetWindow(wxWindow* window);
};
+