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[wxWidgets.git] / docs / latex / wx / prevwin.tex

\section{\class{wxPreviewCanvas}}\label{wxpreviewcanvas}

A preview canvas is the default canvas used by the print preview
system to display the preview.

\wxheading{Derived from}

\helpref{wxScrolledWindow}{wxscrolledwindow}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxevthandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/print.h>

\wxheading{See also}

\helpref{wxPreviewFrame}{wxpreviewframe}, \helpref{wxPreviewControlBar}{wxpreviewcontrolbar},\rtfsp
\helpref{wxPrintPreview}{wxprintpreview}

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxPreviewCanvas::wxPreviewCanvas}\label{wxpreviewcanvasctor}

\func{}{wxPreviewCanvas}{\param{wxPrintPreview* }{preview}, \param{wxWindow* }{parent},
 \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},
 \param{long}{ style = 0}, \param{const wxString\& }{name = ``canvas"}}

Constructor.

\membersection{wxPreviewCanvas::\destruct{wxPreviewCanvas}}\label{wxpreviewcanvasdtor}

\func{}{\destruct{wxPreviewCanvas}}{\void}

Destructor.

\membersection{wxPreviewCanvas::OnPaint}\label{wxpreviewcanvasonpaint}

\func{void}{OnPaint}{\param{wxPaintEvent\& }{event}}

Calls \helpref{wxPrintPreview::PaintPage}{wxprintpreviewpaintpage} to refresh the canvas.

\section{\class{wxPreviewControlBar}}\label{wxpreviewcontrolbar}

This is the default implementation of the preview control bar, a panel
with buttons and a zoom control. You can derive a new class from this and
override some or all member functions to change the behaviour and appearance;
or you can leave it as it is.

\wxheading{Derived from}

\helpref{wxPanel}{wxpanel}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/print.h>

\wxheading{See also}

\helpref{wxPreviewFrame}{wxpreviewframe}, \helpref{wxPreviewCanvas}{wxpreviewcanvas},\rtfsp
\helpref{wxPrintPreview}{wxprintpreview}

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxPreviewControlBar::wxPreviewControlbar}\label{wxpreviewcontrolbarctor}

\func{}{wxPreviewControlBar}{\param{wxPrintPreview* }{preview}, \param{long}{ buttons}, \param{wxWindow* }{parent},
 \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},
 \param{long}{ style = 0}, \param{const wxString\& }{name = ``panel"}}

Constructor.

The buttons parameter may be a combination of the following, using the bitwise `or' operator.

\begin{twocollist}\itemsep=0pt
\twocolitem{wxPREVIEW\_PRINT}{Create a print button.}
\twocolitem{wxPREVIEW\_NEXT}{Create a next page button.}
\twocolitem{wxPREVIEW\_PREVIOUS}{Create a previous page button.}
\twocolitem{wxPREVIEW\_ZOOM}{Create a zoom control.}
\twocolitem{wxPREVIEW\_DEFAULT}{Equivalent to a combination of wxPREVIEW\_PREVIOUS, wxPREVIEW\_NEXT and
wxPREVIEW\_ZOOM.}
\end{twocollist}

\membersection{wxPreviewControlBar::\destruct{wxPreviewControlBar}}\label{wxpreviewcontrolbardtor}

\func{}{\destruct{wxPreviewControlBar}}{\void}

Destructor.

\membersection{wxPreviewControlBar::CreateButtons}\label{wxpreviewcontrolbarcreatebuttons}

\func{void}{CreateButtons}{\void}

Creates buttons, according to value of the button style flags.

\membersection{wxPreviewControlBar::GetPrintPreview}\label{wxpreviewcontrolbargetprintpreview}

\func{wxPrintPreview *}{GetPrintPreview}{\void}

Gets the print preview object associated with the control bar.

\membersection{wxPreviewControlBar::GetZoomControl}\label{wxpreviewcontrolbargetzoomcontrol}

\func{int}{GetZoomControl}{\void}

Gets the current zoom setting in percent.

\membersection{wxPreviewControlBar::SetZoomControl}\label{wxpreviewcontrolbarsetzoomcontrol}

\func{void}{SetZoomControl}{\param{int }{percent}}

Sets the zoom control.

\section{\class{wxPreviewFrame}}\label{wxpreviewframe}

This class provides the default method of managing the print preview interface.
Member functions may be overridden to replace functionality, or the
class may be used without derivation.

\wxheading{Derived from}

\helpref{wxFrame}{wxframe}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}

\wxheading{Include files}

<wx/print.h>

\wxheading{See also}

\helpref{wxPreviewCanvas}{wxpreviewcanvas}, \helpref{wxPreviewControlBar}{wxpreviewcontrolbar},\rtfsp
\helpref{wxPrintPreview}{wxprintpreview}

\latexignore{\rtfignore{\wxheading{Members}}}

\membersection{wxPreviewFrame::wxPreviewFrame}\label{wxpreviewframector}

\func{}{wxPreviewFrame}{\param{wxPrintPreview* }{preview}, \param{wxWindow* }{parent}, \param{const wxString\& }{title},
 \param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& size }{size = wxDefaultSize},
 \param{long}{ style = wxDEFAULT\_FRAME\_STYLE}, \param{const wxString\& }{name = ``frame"}}

Constructor. Pass a print preview object plus other normal frame arguments.
The print preview object will be destroyed by the frame when it closes.

\membersection{wxPreviewFrame::\destruct{wxPreviewFrame}}\label{wxpreviewframedtor}

\func{}{\destruct{wxPreviewFrame}}{\void}

Destructor. 

\membersection{wxPreviewFrame::CreateControlBar}\label{wxpreviewframecreatecontrolbar}

\func{void}{CreateControlBar}{\void}

Creates a wxPreviewControlBar. Override this function to allow
a user-defined preview control bar object to be created.

\membersection{wxPreviewFrame::CreateCanvas}\label{wxpreviewframecreatecanvas}

\func{void}{CreateCanvas}{\void}

Creates a wxPreviewCanvas. Override this function to allow
a user-defined preview canvas object to be created.

\membersection{wxPreviewFrame::Initialize}\label{wxpreviewframeinitialize}

\func{void}{Initialize}{\void}

Creates the preview canvas and control bar, and calls
wxWindow::MakeModal(true) to disable other top-level windows
in the application.

This function should be called by the application prior to
showing the frame.

\membersection{wxPreviewFrame::OnCloseWindow}\label{wxpreviewframeonclosewindow}

\func{void}{OnCloseWindow}{\param{wxCloseEvent\&}{ event}}

Enables the other frames in the application, and deletes the print preview
object, implicitly deleting any printout objects associated with the print
preview object.