First, a brief introduction to wxRenderer and why it is needed.
-Usually wxWindows uses the underlying low level GUI system to draw all the
-controls -- this is what we mean when we say that it is a ``native'' framework.
+Usually wxWidgets uses the underlying low level GUI system to draw all the
+controls - this is what we mean when we say that it is a ``native'' framework.
However not all controls exist under all (or even any) platforms and in this
-case wxWindows provides a default, generic, implementation of them written in
-wxWindows itself.
+case wxWidgets provides a default, generic, implementation of them written in
+wxWidgets itself.
These controls don't have the native appearance if only the standard
line drawing and other graphics primitives are used, because the native
All drawing functions take some standard parameters:
\begin{itemize}
- \item \arg{win} is the window being drawn. It is normally not used and when
- it is it should only be used as a generic \helpref{wxWindow}{wxwindow}
- (in order to get its low level handle, for example), but you should
- \emph{not} assume that it is of some given type as the same renderer
- function may be reused for drawing different kinds of control.
- \item \arg{dc} is the \helpref{wxDC}{wxdc} to draw on. Only this device
- context should be used for drawing. It is not necessary to restore
- pens and brushes for it on function exit but, on the other hand, you
- shouldn't assume that it is in any specific state on function entry:
- the rendering functions should always prepare it.
- \item \arg{rect} the bounding rectangle for the element to be drawn.
- \item \arg{flags} the optional flags (none by default) which can be a
- combination of the \texttt{wxCONTROL\_XXX} constants below.
+\item \arg{win} is the window being drawn. It is normally not used and when
+it is it should only be used as a generic \helpref{wxWindow}{wxwindow}
+(in order to get its low level handle, for example), but you should
+\emph{not} assume that it is of some given type as the same renderer
+function may be reused for drawing different kinds of control.
+\item \arg{dc} is the \helpref{wxDC}{wxdc} to draw on. Only this device
+context should be used for drawing. It is not necessary to restore
+pens and brushes for it on function exit but, on the other hand, you
+shouldn't assume that it is in any specific state on function entry:
+the rendering functions should always prepare it.
+\item \arg{rect} the bounding rectangle for the element to be drawn.
+\item \arg{flags} the optional flags (none by default) which can be a
+combination of the \texttt{wxCONTROL\_XXX} constants below.
\end{itemize}
+Note that each drawing function restores the \helpref{wxDC}{wxdc} attributes if
+it changes them, so it is safe to assume that the same pen, brush and colours
+that were active before the call to this function are still in effect after it.
+
+
\wxheading{Constants}
The following rendering flags are defined:
+
\begin{verbatim}
enum
{
wxCONTROL_CURRENT = 0x00000010, // mouse is currently over the control
wxCONTROL_SELECTED = 0x00000020, // selected item in e.g. listbox
wxCONTROL_CHECKED = 0x00000040, // (check/radio button) is checked
- wxCONTROL_CHECKABLE = 0x00000080 // (menu) item can be checked
+ wxCONTROL_CHECKABLE = 0x00000080, // (menu) item can be checked
+ wxCONTROL_UNDETERMINED = wxCONTROL_CHECKABLE // (check) undetermined state
};
\end{verbatim}
-
\wxheading{Derived from}
No base class
Virtual destructor as for any base class.
+\membersection{wxRendererNative::DrawCheckBox}\label{wxrenderernativedrawcheckbox}
+
+\func{void}{DrawCheckBox}{\param{wxWindow *}{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags}}
+
+Draw a check box (used by wxDataViewCtrl).
+
+\arg{flags} may have the \texttt{wxCONTROL\_CHECKED}, \texttt{wxCONTROL\_CURRENT} or
+\texttt{wxCONTROL\_UNDETERMINED} bit set.
+
+
+\membersection{wxRendererNative::DrawComboBoxDropButton}\label{wxrenderernativedrawcomboboxdropbutton}
+
+\func{void}{DrawComboBoxDropButton}{\param{wxWindow *}{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags}}
+
+Draw a button like the one used by \helpref{wxComboBox}{wxcombobox} to show a
+drop down window. The usual appearance is a downwards pointing arrow.
+
+\arg{flags} may have the \texttt{wxCONTROL\_PRESSED} or \texttt{wxCONTROL\_CURRENT} bit set.
+
+
+\membersection{wxRendererNative::DrawDropArrow}\label{wxrenderernativedrawdroparrow}
+
+\func{void}{DrawDropArrow}{\param{wxWindow *}{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags}}
+
+Draw a drop down arrow that is suitable for use outside a combo box. Arrow will have
+transparent background.
+
+\arg{rect} is not entirely filled by the arrow. Instead, you should use bounding
+rectangle of a drop down button which arrow matches the size you need.
+\arg{flags} may have the \texttt{wxCONTROL\_PRESSED} or \texttt{wxCONTROL\_CURRENT} bit set.
+
+
\membersection{wxRendererNative::DrawHeaderButton}\label{wxrenderernativedrawheaderbutton}
\func{void}{DrawHeaderButton}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}}
Draw the header control button (used by \helpref{wxListCtrl}{wxlistctrl}).
+\membersection{wxRendererNative::DrawPushButton}\label{wxrenderernativedrawpushbutton}
+
+\func{void}{DrawPushButton}{\param{wxWindow *}{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags}}
+
+Draw a blank push button that looks very similar to \helpref{wxButton}{wxbutton}.
+
+\arg{flags} may have the \texttt{wxCONTROL\_PRESSED}, \texttt{wxCONTROL\_CURRENT} or
+\texttt{wxCONTROL\_ISDEFAULT} bit set.
+
+
\membersection{wxRendererNative::DrawSplitterBorder}\label{wxrenderernativedrawsplitterborder}
\func{void}{DrawSplitterBorder}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}}
\func{void}{DrawSplitterSash}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxSize\& }{size}, \param{wxCoord }{position}, \param{wxOrientation }{orient}, \param{int }{flags = 0}}
Draw a sash. The \arg{orient} parameter defines whether the sash should be
-vertical or horizontal and how should the \arg{position} be interpreted.
+vertical or horizontal and how the \arg{position} should be interpreted.
\membersection{wxRendererNative::DrawTreeItemButton}\label{wxrenderernativedrawtreeitembutton}
renderer (the global renderer must always exist).
Return the previous renderer used with Set() or {\tt NULL} if none.
-
projects / wxWidgets.git / blobdiff