an example).
A single cursor object may be used in many windows (any subwindow type).
-The wxWindows convention is to set the cursor for a window, as in X,
+The wxWidgets convention is to set the cursor for a window, as in X,
rather than to set it globally as in MS Windows, although a
global \helpref{::wxSetCursor}{wxsetcursor} is also available for MS Windows use.
<wx/cursor.h>
+\wxheading{Predefined objects}
+
+Objects:
+
+{\bf wxNullCursor}
+
+Pointers:
+
+{\bf wxSTANDARD\_CURSOR\\
+wxHOURGLASS\_CURSOR\\
+wxCROSS\_CURSOR}
+
\wxheading{See also}
\helpref{wxBitmap}{wxbitmap}, \helpref{wxIcon}{wxicon}, \helpref{wxWindow::SetCursor}{wxwindowsetcursor},\rtfsp
Default constructor.
\func{}{wxCursor}{\param{const char}{ bits[]}, \param{int }{width},
- \param{int }{ height}, \param{int }{hotSpotX=-1}, \param{int }{hotSpotY=-1}, \param{const char }{maskBits[]=NULL}}
+ \param{int }{ height}, \param{int }{hotSpotX=-1}, \param{int }{hotSpotY=-1}, \param{const char }{maskBits[]=NULL},
+ \param{wxColour*}{ fg=NULL}, \param{wxColour*}{ bg=NULL}}
-Constructs a cursor by passing an array of bits (Motif and Xt only). {\it maskBits} is used only under Motif.
+Constructs a cursor by passing an array of bits (Motif and GTK+ only). {\it maskBits} is used only under
+Motif and GTK+. The parameters {\it fg} and {\it bg} are only present on GTK+, and force the
+cursor to use particular background and foreground colours.
If either {\it hotSpotX} or {\it hotSpotY} is -1, the hotspot will be the centre of the cursor image (Motif only).
Constructs a cursor by passing a string resource name or filename.
+On MacOS when specifying a string resource name, first the color cursors 'crsr' and then the black/white cursors 'CURS' in the resource chain are scanned through.
+
{\it hotSpotX} and {\it hotSpotY} are currently only used under Windows when loading from an
icon file, to specify the cursor hotspot relative to the top left of the image.
Constructs a cursor using a cursor identifier.
+\func{}{wxCursor}{\param{const wxImage\&}{ image}}
+
+Constructs a cursor from a wxImage. The cursor is monochrome, colors with the RGB elements all greater
+than 127 will be foreground, colors less than this background. The mask (if any) will be used as transparent.
+
+In MSW the foreground will be white and the background black. The cursor is resized to 32x32
+In GTK, the two most frequent colors will be used for foreground and background. The cursor will be displayed
+at the size of the image.
+On MacOS the cursor is resized to 16x16 and currently only shown as black/white (mask respected).
+
\func{}{wxCursor}{\param{const wxCursor\&}{ cursor}}
Copy constructor. This uses reference counting so is a cheap operation.
\docparam{hotSpotY}{Hotspot y coordinate.}
\docparam{type}{Icon type to load. Under Motif, {\it type} defaults to {\bf wxBITMAP\_TYPE\_XBM}. Under Windows,
-it defaults to {\bf wxBITMAP\_TYPE\_CUR\_RESOURCE}.
+it defaults to {\bf wxBITMAP\_TYPE\_CUR\_RESOURCE}. Under MacOS, it defaults to {\bf wxBITMAP\_TYPE\_MACCURSOR\_RESOURCE}.
Under X, the permitted cursor types are:
\twocolwidtha{6cm}
\begin{twocollist}\itemsep=0pt
\twocolitem{{\bf wxCURSOR\_ARROW}}{A standard arrow cursor.}
+\twocolitem{{\bf wxCURSOR\_RIGHT\_ARROW}}{A standard arrow cursor
+pointing to the right.}
+\twocolitem{{\bf wxCURSOR\_BLANK}}{Transparent cursor.}
\twocolitem{{\bf wxCURSOR\_BULLSEYE}}{Bullseye cursor.}
\twocolitem{{\bf wxCURSOR\_CHAR}}{Rectangular character cursor.}
\twocolitem{{\bf wxCURSOR\_CROSS}}{A cross cursor.}
\twocolitem{{\bf wxCURSOR\_SPRAYCAN}}{A spraycan cursor.}
\twocolitem{{\bf wxCURSOR\_WAIT}}{A wait cursor.}
\twocolitem{{\bf wxCURSOR\_WATCH}}{A watch cursor.}
+\twocolitem{{\bf wxCURSOR\_ARROWWAIT}}{A cursor with both an arrow and
+an hourglass, (windows.)}
\end{twocollist}\twocolwidtha{5cm}
Note that not all cursors are available on all platforms.}
\pythonnote{Constructors supported by wxPython are:\par
\indented{2cm}{\begin{twocollist}
-\twocolitem{\bf{wxCursor(name, flags, hotSpotX=0,
+\twocolitem{{\bf wxCursor(name, flags, hotSpotX=0,
hotSpotY=0)}}{Constructs a cursor from a filename}
-\twocolitem{\bf{wxStockCursor(id)}}{Constructs a stock cursor }
+\twocolitem{{\bf wxStockCursor(id)}}{Constructs a stock cursor }
\end{twocollist}}
}
+\perlnote{Constructors supported by wxPerl are:\par
+\begin{itemize}
+\item{Wx::Cursor->new( name, type, hotSpotX = 0, hotSpotY = 0 )}
+\item{Wx::Cursor->new( id )}
+\item{Wx::Cursor->new( image )}
+\item{Wx::Cursor->newData( bits, width, height, hotSpotX = -1, hotSpotY = -1, maskBits = 0 )}
+\end{itemize}
+}
+
+\wxheading{Example}
+
+The following is an example of creating a
+cursor from 32x32 bitmap data ({\tt down\_bits}) and a mask
+({\tt down\_mask}) where 1 is black and 0 is white for
+the bits, and 1 is opaque and 0 is transparent for
+the mask. It works on Windows and GTK+.
+
+\begin{verbatim}
+static char down_bits[] = { 255, 255, 255, 255, 31,
+ 255, 255, 255, 31, 255, 255, 255, 31, 255, 255, 255,
+ 31, 255, 255, 255, 31, 255, 255, 255, 31, 255, 255,
+ 255, 31, 255, 255, 255, 31, 255, 255, 255, 25, 243,
+ 255, 255, 19, 249, 255, 255, 7, 252, 255, 255, 15, 254,
+ 255, 255, 31, 255, 255, 255, 191, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+ 255 };
+
+static char down_mask[] = { 240, 1, 0, 0, 240, 1,
+ 0, 0, 240, 1, 0, 0, 240, 1, 0, 0, 240, 1, 0, 0, 240, 1,
+ 0, 0, 240, 1, 0, 0, 240, 1, 0, 0, 255, 31, 0, 0, 255,
+ 31, 0, 0, 254, 15, 0, 0, 252, 7, 0, 0, 248, 3, 0, 0,
+ 240, 1, 0, 0, 224, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0 };
+
+#ifdef __WXMSW__
+wxBitmap down_bitmap(down_bits, 32, 32);
+wxBitmap down_mask_bitmap(down_mask, 32, 32);
+
+down_bitmap.SetMask(new wxMask(down_mask_bitmap));
+wxImage down_image = down_bitmap.ConvertToImage();
+down_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, 6);
+down_image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, 14);
+wxCursor down_cursor = wxCursor(down_image);
+#else
+wxCursor down_cursor = wxCursor(down_bits, 32, 32,
+ 6, 14, down_mask, wxWHITE, wxBLACK);
+#endif
+\end{verbatim}
+
\membersection{wxCursor::\destruct{wxCursor}}
\func{}{\destruct{wxCursor}}{\void}
Destroys the cursor. A cursor can be reused for more
than one window, and does not get destroyed when the window is
-destroyed. wxWindows destroys all cursors on application exit, although
-it's best to clean them up explicitly.
+destroyed. wxWidgets destroys all cursors on application exit, although
+it is best to clean them up explicitly.
\membersection{wxCursor::Ok}\label{wxcursorok}
\constfunc{bool}{Ok}{\void}
-Returns TRUE if cursor data is present.
+Returns true if cursor data is present.
\membersection{wxCursor::operator $=$}\label{wxcursorassignment}
projects / wxWidgets.git / blobdiff