X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d2c2afc91be4bdb6e036516785f334ddb54afa0c..c63312c472c83be6d3b935f0ceeef484a7d611ce:/docs/latex/wx/renderer.tex diff --git a/docs/latex/wx/renderer.tex b/docs/latex/wx/renderer.tex index 3e5f7b52c5..1c1277d326 100644 --- a/docs/latex/wx/renderer.tex +++ b/docs/latex/wx/renderer.tex @@ -13,13 +13,13 @@ 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 +These controls don't have the native appearance if only the tandard line drawing and other graphics primitives are used, because the native appearance is different under different platforms while the lines are always drawn in the same way. @@ -52,6 +52,11 @@ the rendering functions should always prepare it. 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: @@ -68,7 +73,8 @@ 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} @@ -91,11 +97,60 @@ 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}} +\func{void}{DrawHeaderButton}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}, \param{wxHeaderSortIconType }{sortArrow = wxHDR\_SORT\_ICON\_NONE}, \param{wxHeaderButtonParams* }{params = NULL}} + +Draw the header control button (used, for example, by +\helpref{wxListCtrl}{wxlistctrl}). Depending on platforms the +\arg{flags} parameter may support the \texttt{wxCONTROL\_SELECTED} +\texttt{wxCONTROL\_DISABLED} and \texttt{wxCONTROL\_CURRENT} bits. +The \arg{sortArrow} parameter can be one of +\texttt{wxHDR\_SORT\_ICON\_NONE}, \texttt{wxHDR\_SORT\_ICON\_UP}, or +\texttt{wxHDR\_SORT\_ICON\_DOWN}. Additional values controlling the +drawing of a text or bitmap label can be passed in \arg{params}. + + +\membersection{wxRendererNative::DrawPushButton}\label{wxrenderernativedrawpushbutton} -Draw the header control button (used by \helpref{wxListCtrl}{wxlistctrl}). +\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} @@ -112,7 +167,7 @@ well. \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} @@ -149,6 +204,14 @@ is the default renderer implementation, others have platform-specific default renderer which can be retrieved by calling \helpref{GetDefault}{wxrenderernativegetdefault}. +\membersection{wxRendererNative::GetHeaderButtonHeight}\label{wxrenderernativegetheaderbuttonheight} + +\func{int}{GetHeaderButtonHeight}{\param{const wxWindow* }{win}} + +Returns the height of a header button, either a fixed platform height if available, or a +generic height based on the window's font. + + \membersection{wxRendererNative::GetSplitterParams}\label{wxrenderernativegetsplitterparams} \func{wxSplitterRenderParams}{GetSplitterParams}{\param{const wxWindow* }{win}}