014b0d064e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3707 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
380 lines
11 KiB
C++
380 lines
11 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: prntbase.h
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// Purpose: Base classes for printing framework
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_PRNTBASEH__
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#define _WX_PRNTBASEH__
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#ifdef __GNUG__
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#pragma interface "prntbase.h"
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#endif
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#include "wx/defs.h"
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#if wxUSE_PRINTING_ARCHITECTURE
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#include "wx/event.h"
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#include "wx/cmndata.h"
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#include "wx/panel.h"
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#include "wx/scrolwin.h"
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#include "wx/dialog.h"
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#include "wx/frame.h"
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class WXDLLEXPORT wxDC;
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class WXDLLEXPORT wxButton;
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class WXDLLEXPORT wxChoice;
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class WXDLLEXPORT wxPrintout;
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class WXDLLEXPORT wxPrinterBase;
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class WXDLLEXPORT wxPrintDialog;
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class WXDLLEXPORT wxPrintPreviewBase;
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class WXDLLEXPORT wxPreviewCanvas;
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class WXDLLEXPORT wxPreviewControlBar;
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class WXDLLEXPORT wxPreviewFrame;
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/*
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* Represents the printer: manages printing a wxPrintout object
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*/
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class WXDLLEXPORT wxPrinterBase: public wxObject
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{
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DECLARE_CLASS(wxPrinterBase)
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public:
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wxPrinterBase(wxPrintDialogData *data = (wxPrintDialogData *) NULL);
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virtual ~wxPrinterBase();
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virtual wxWindow *CreateAbortWindow(wxWindow *parent, wxPrintout *printout);
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virtual void ReportError(wxWindow *parent, wxPrintout *printout, char *message);
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wxPrintDialogData& GetPrintDialogData() const
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{ return (wxPrintDialogData&) m_printDialogData; }
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bool GetAbort() const { return sm_abortIt; }
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///////////////////////////////////////////////////////////////////////////
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// OVERRIDES
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virtual bool Setup(wxWindow *parent) = 0;
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virtual bool Print(wxWindow *parent, wxPrintout *printout, bool prompt = TRUE) = 0;
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virtual wxDC* PrintDialog(wxWindow *parent) = 0;
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protected:
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wxPrintDialogData m_printDialogData;
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wxPrintout* m_currentPrintout;
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public:
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static wxWindow* sm_abortWindow;
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static bool sm_abortIt;
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};
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/*
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* wxPrintout
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* Represents an object via which a document may be printed.
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* The programmer derives from this, overrides (at least) OnPrintPage,
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* and passes it to a wxPrinter object for printing, or a wxPrintPreview
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* object for previewing.
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*/
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class WXDLLEXPORT wxPrintout: public wxObject
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{
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DECLARE_ABSTRACT_CLASS(wxPrintout)
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public:
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wxPrintout(const wxString& title = "Printout");
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virtual ~wxPrintout();
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virtual bool OnBeginDocument(int startPage, int endPage);
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virtual void OnEndDocument();
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virtual void OnBeginPrinting();
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virtual void OnEndPrinting();
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// Guaranteed to be before any other functions are called
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virtual void OnPreparePrinting() { }
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virtual bool HasPage(int page);
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virtual bool OnPrintPage(int page) = 0;
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virtual void GetPageInfo(int *minPage, int *maxPage, int *pageFrom, int *pageTo);
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virtual wxString GetTitle() const { return m_printoutTitle; }
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wxDC *GetDC() const { return m_printoutDC; }
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void SetDC(wxDC *dc) { m_printoutDC = dc; }
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void SetPageSizePixels(int w, int h) { m_pageWidthPixels = w; m_pageHeightPixels = h; }
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void GetPageSizePixels(int *w, int *h) const { *w = m_pageWidthPixels; *h = m_pageHeightPixels; }
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void SetPageSizeMM(int w, int h) { m_pageWidthMM = w; m_pageHeightMM = h; }
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void GetPageSizeMM(int *w, int *h) const { *w = m_pageWidthMM; *h = m_pageHeightMM; }
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void SetPPIScreen(int x, int y) { m_PPIScreenX = x; m_PPIScreenY = y; }
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void GetPPIScreen(int *x, int *y) const { *x = m_PPIScreenX; *y = m_PPIScreenY; }
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void SetPPIPrinter(int x, int y) { m_PPIPrinterX = x; m_PPIPrinterY = y; }
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void GetPPIPrinter(int *x, int *y) const { *x = m_PPIPrinterX; *y = m_PPIPrinterY; }
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virtual bool IsPreview() const { return m_isPreview; }
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virtual void SetIsPreview(bool p) { m_isPreview = p; }
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private:
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wxString m_printoutTitle;
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wxDC* m_printoutDC;
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int m_pageWidthPixels;
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int m_pageHeightPixels;
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int m_pageWidthMM;
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int m_pageHeightMM;
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int m_PPIScreenX;
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int m_PPIScreenY;
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int m_PPIPrinterX;
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int m_PPIPrinterY;
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bool m_isPreview;
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};
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/*
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* wxPreviewCanvas
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* Canvas upon which a preview is drawn.
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*/
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class WXDLLEXPORT wxPreviewCanvas: public wxScrolledWindow
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{
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DECLARE_CLASS(wxPreviewCanvas)
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public:
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wxPreviewCanvas(wxPrintPreviewBase *preview,
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wxWindow *parent,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = "canvas");
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~wxPreviewCanvas();
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void OnPaint(wxPaintEvent& event);
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// Responds to colour changes
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void OnSysColourChanged(wxSysColourChangedEvent& event);
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private:
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wxPrintPreviewBase* m_printPreview;
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DECLARE_EVENT_TABLE()
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};
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/*
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* wxPreviewFrame
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* Default frame for showing preview.
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*/
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class WXDLLEXPORT wxPreviewFrame: public wxFrame
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{
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DECLARE_CLASS(wxPreviewFrame)
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public:
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wxPreviewFrame(wxPrintPreviewBase *preview,
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wxFrame *parent,
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const wxString& title = "Print Preview",
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxDEFAULT_FRAME_STYLE,
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const wxString& name = "frame");
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~wxPreviewFrame();
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void OnCloseWindow(wxCloseEvent& event);
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virtual void Initialize();
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virtual void CreateCanvas();
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virtual void CreateControlBar();
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protected:
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wxWindow* m_previewCanvas;
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wxPreviewControlBar* m_controlBar;
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wxPrintPreviewBase* m_printPreview;
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private:
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DECLARE_EVENT_TABLE()
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};
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/*
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* wxPreviewControlBar
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* A panel with buttons for controlling a print preview.
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* The programmer may wish to use other means for controlling
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* the print preview.
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*/
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#define wxPREVIEW_PRINT 1
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#define wxPREVIEW_PREVIOUS 2
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#define wxPREVIEW_NEXT 4
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#define wxPREVIEW_ZOOM 8
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#define wxPREVIEW_DEFAULT wxPREVIEW_PREVIOUS|wxPREVIEW_NEXT|wxPREVIEW_ZOOM
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// Ids for controls
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#define wxID_PREVIEW_CLOSE 1
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#define wxID_PREVIEW_NEXT 2
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#define wxID_PREVIEW_PREVIOUS 3
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#define wxID_PREVIEW_PRINT 4
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#define wxID_PREVIEW_ZOOM 5
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class WXDLLEXPORT wxPreviewControlBar: public wxPanel
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{
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DECLARE_CLASS(wxPreviewControlBar)
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public:
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wxPreviewControlBar(wxPrintPreviewBase *preview,
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long buttons,
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wxWindow *parent,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = "panel");
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~wxPreviewControlBar();
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virtual void CreateButtons();
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virtual void SetZoomControl(int zoom);
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virtual int GetZoomControl();
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virtual wxPrintPreviewBase *GetPrintPreview() const
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{ return m_printPreview; }
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void OnPrint(wxCommandEvent& event);
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void OnWindowClose(wxCommandEvent& event);
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void OnNext();
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void OnPrevious();
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void OnNextButton(wxCommandEvent & WXUNUSED(event)) { OnNext(); }
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void OnPreviousButton(wxCommandEvent & WXUNUSED(event)) { OnPrevious(); }
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void OnChar(wxKeyEvent &event);
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void OnZoom(wxCommandEvent& event);
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void OnPaint(wxPaintEvent& event);
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protected:
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wxPrintPreviewBase* m_printPreview;
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wxButton* m_closeButton;
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wxButton* m_nextPageButton;
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wxButton* m_previousPageButton;
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wxButton* m_printButton;
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wxChoice* m_zoomControl;
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long m_buttonFlags;
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private:
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DECLARE_EVENT_TABLE()
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};
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/*
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* wxPrintPreview
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* Programmer creates an object of this class to preview a wxPrintout.
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*/
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class WXDLLEXPORT wxPrintPreviewBase: public wxObject
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{
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DECLARE_CLASS(wxPrintPreviewBase)
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public:
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wxPrintPreviewBase(wxPrintout *printout,
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wxPrintout *printoutForPrinting = (wxPrintout *) NULL,
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wxPrintDialogData *data = (wxPrintDialogData *) NULL);
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wxPrintPreviewBase(wxPrintout *printout,
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wxPrintout *printoutForPrinting,
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wxPrintData *data);
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virtual ~wxPrintPreviewBase();
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virtual bool SetCurrentPage(int pageNum);
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int GetCurrentPage() const { return m_currentPage; };
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void SetPrintout(wxPrintout *printout) { m_previewPrintout = printout; };
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wxPrintout *GetPrintout() const { return m_previewPrintout; };
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wxPrintout *GetPrintoutForPrinting() const { return m_printPrintout; };
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void SetFrame(wxFrame *frame) { m_previewFrame = frame; };
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void SetCanvas(wxWindow *canvas) { m_previewCanvas = canvas; };
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virtual wxFrame *GetFrame() const { return m_previewFrame; }
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virtual wxWindow *GetCanvas() const { return m_previewCanvas; }
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// The preview canvas should call this from OnPaint
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virtual bool PaintPage(wxWindow *canvas, wxDC& dc);
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// This draws a blank page onto the preview canvas
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virtual bool DrawBlankPage(wxWindow *canvas, wxDC& dc);
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// This is called by wxPrintPreview to render a page into a wxMemoryDC.
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virtual bool RenderPage(int pageNum);
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wxPrintDialogData& GetPrintDialogData() { return m_printDialogData; }
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virtual void SetZoom(int percent);
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int GetZoom() const { return m_currentZoom; };
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int GetMaxPage() const { return m_maxPage; }
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int GetMinPage() const { return m_minPage; }
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bool Ok() const { return m_isOk; }
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void SetOk(bool ok) { m_isOk = ok; }
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///////////////////////////////////////////////////////////////////////////
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// OVERRIDES
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// If we own a wxPrintout that can be used for printing, this
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// will invoke the actual printing procedure. Called
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// by the wxPreviewControlBar.
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virtual bool Print(bool interactive) = 0;
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// Calculate scaling that needs to be done to get roughly
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// the right scaling for the screen pretending to be
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// the currently selected printer.
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virtual void DetermineScaling() = 0;
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protected:
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wxPrintDialogData m_printDialogData;
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wxWindow* m_previewCanvas;
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wxFrame* m_previewFrame;
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wxBitmap* m_previewBitmap;
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wxPrintout* m_previewPrintout;
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wxPrintout* m_printPrintout;
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int m_currentPage;
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int m_currentZoom;
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float m_previewScale;
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int m_topMargin;
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int m_leftMargin;
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int m_pageWidth;
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int m_pageHeight;
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int m_minPage;
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int m_maxPage;
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bool m_isOk;
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bool m_printingPrepared; // Called OnPreparePrinting?
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private:
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void Init(wxPrintout *printout, wxPrintout *printoutForPrinting);
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};
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/*
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* Abort dialog
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*/
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class WXDLLEXPORT wxPrintAbortDialog: public wxDialog
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{
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public:
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wxPrintAbortDialog(wxWindow *parent,
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const wxString& title,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = 0,
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const wxString& name = "dialog")
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: wxDialog(parent, -1, title, pos, size, style, name)
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{
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}
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void OnCancel(wxCommandEvent& event);
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private:
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DECLARE_EVENT_TABLE()
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};
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#endif // wxUSE_PRINTING_ARCHITECTURE
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#endif
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// _WX_PRNTBASEH__
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