X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f33cef9fec16abad12ef95f293776d3926960ad3..066f3611df971be93b2ec46b82c2f05f3ff9a422:/docs/latex/wx/renderer.tex?ds=sidebyside diff --git a/docs/latex/wx/renderer.tex b/docs/latex/wx/renderer.tex index 221f659425..88f6923d74 100644 --- a/docs/latex/wx/renderer.tex +++ b/docs/latex/wx/renderer.tex @@ -6,7 +6,7 @@ %% Created: 06.08.03 %% RCS-ID: $Id$ %% Copyright: (c) 2003 Vadim Zeitlin -%% License: wxWidgets license +%% License: wxWindows license %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% \section{\class{wxRendererNative}}\label{wxrenderernative} @@ -14,7 +14,7 @@ First, a brief introduction to wxRenderer and why it is needed. 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. +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 wxWidgets provides a default, generic, implementation of them written in wxWidgets itself. @@ -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: @@ -62,13 +67,17 @@ enum wxCONTROL_DISABLED = 0x00000001, // control is disabled wxCONTROL_FOCUSED = 0x00000002, // currently has keyboard focus wxCONTROL_PRESSED = 0x00000004, // (button) is pressed - wxCONTROL_ISDEFAULT = 0x00000008, // only applies to the buttons - wxCONTROL_ISSUBMENU = wxCONTROL_ISDEFAULT, // only for menu items - wxCONTROL_EXPANDED = wxCONTROL_ISDEFAULT, // only for the tree items + wxCONTROL_SPECIAL = 0x00000008, // control-specific bit: + wxCONTROL_ISDEFAULT = wxCONTROL_SPECIAL, // only for the buttons + wxCONTROL_ISSUBMENU = wxCONTROL_SPECIAL, // only for the menu items + wxCONTROL_EXPANDED = wxCONTROL_SPECIAL, // only for the tree items + wxCONTROL_SIZEGRIP = wxCONTROL_SPECIAL, // only for the status bar panes + wxCONTROL_FLAT = wxCONTROL_SPECIAL, // checkboxes only: flat border 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} @@ -80,6 +89,10 @@ No base class +\wxheading{Library} + +\helpref{wxCore}{librarieslist} + \latexignore{\rtfignore{\wxheading{Members}}} @@ -91,21 +104,86 @@ No base class Virtual destructor as for any base class. -\membersection{wxRendererGeneric::DrawComboBoxDropButton} +\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} bit set. +\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::DrawFocusRect}\label{wxrenderernativedrawfocusrect} + +\func{void}{DrawFocusRect}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}} + +Draw a focus rectangle using the specified rectangle. +\helpref{wxListCtrl}{wxlistctrl}. The only supported flags is +\texttt{wxCONTROL\_SELECTED} for items which are selected. \membersection{wxRendererNative::DrawHeaderButton}\label{wxrenderernativedrawheaderbutton} -\func{void}{DrawHeaderButton}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}} +\func{int}{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}. The +value returned is the optimal width to contain the the unabreviated +label text or bitmap, the sort arrow if present, and internal margins. + + + +\membersection{wxRendererNative::DrawItemSelectionRect}\label{wxrenderernativedrawitemselectionrect} + +\func{void}{DrawItemSelectionRect}{\param{wxWindow* }{win}, \param{wxDC\& }{dc}, \param{const wxRect\& }{rect}, \param{int }{flags = 0}} + +Draw a selection rectangle underneath the text as used e.g. in a +\helpref{wxListCtrl}{wxlistctrl}. The supported \arg{flags} are +\texttt{wxCONTROL\_SELECTED} for items which are selected (e.g. often a blue +rectangle) and \texttt{wxCONTROL\_CURRENT} for the item that has the focus +(often a dotted line around the item's text). \texttt{wxCONTROL\_FOCUSED} may +be used to indicate if the control has the focus (othewise the the selection +rectangle is e.g. often grey and not blue). This may be ignored by the renderer +or deduced by the code directly from the \arg{win}. -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} @@ -122,7 +200,7 @@ 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} @@ -159,6 +237,14 @@ 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}}