feea0f9569
frames with non-working menubars if there are multiple top-level frames git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@20260 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
837 lines
22 KiB
C++
837 lines
22 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: prntbase.cpp
|
|
// Purpose: Printing framework base class implementation
|
|
// Author: Julian Smart
|
|
// Modified by:
|
|
// Created: 04/01/98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Julian Smart
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation "prntbase.h"
|
|
#endif
|
|
|
|
// For compilers that support precompilation, includes "wx.h".
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#if wxUSE_PRINTING_ARCHITECTURE
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/utils.h"
|
|
#include "wx/dc.h"
|
|
#include "wx/app.h"
|
|
#include "wx/msgdlg.h"
|
|
#include "wx/layout.h"
|
|
#include "wx/choice.h"
|
|
#include "wx/button.h"
|
|
#include "wx/settings.h"
|
|
#include "wx/dcmemory.h"
|
|
#include "wx/stattext.h"
|
|
#include "wx/intl.h"
|
|
#include "wx/textdlg.h"
|
|
#include "wx/sizer.h"
|
|
#endif // !WX_PRECOMP
|
|
|
|
#include "wx/prntbase.h"
|
|
#include "wx/dcprint.h"
|
|
#include "wx/printdlg.h"
|
|
#include "wx/module.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#ifdef __WXMSW__
|
|
#include "wx/msw/private.h"
|
|
#include <commdlg.h>
|
|
|
|
#ifndef __WIN32__
|
|
#include <print.h>
|
|
#endif
|
|
#endif // __WXMSW__
|
|
|
|
IMPLEMENT_CLASS(wxPrinterBase, wxObject)
|
|
IMPLEMENT_ABSTRACT_CLASS(wxPrintout, wxObject)
|
|
IMPLEMENT_CLASS(wxPreviewCanvas, wxWindow)
|
|
IMPLEMENT_CLASS(wxPreviewControlBar, wxWindow)
|
|
IMPLEMENT_CLASS(wxPreviewFrame, wxFrame)
|
|
IMPLEMENT_CLASS(wxPrintPreviewBase, wxObject)
|
|
|
|
BEGIN_EVENT_TABLE(wxPrintAbortDialog, wxDialog)
|
|
EVT_BUTTON(wxID_CANCEL, wxPrintAbortDialog::OnCancel)
|
|
END_EVENT_TABLE()
|
|
|
|
BEGIN_EVENT_TABLE(wxPreviewCanvas, wxScrolledWindow)
|
|
EVT_PAINT(wxPreviewCanvas::OnPaint)
|
|
EVT_SYS_COLOUR_CHANGED(wxPreviewCanvas::OnSysColourChanged)
|
|
END_EVENT_TABLE()
|
|
|
|
/*
|
|
* Printer
|
|
*/
|
|
|
|
wxPrinterBase::wxPrinterBase(wxPrintDialogData *data)
|
|
{
|
|
m_currentPrintout = (wxPrintout *) NULL;
|
|
sm_abortWindow = (wxWindow *) NULL;
|
|
sm_abortIt = FALSE;
|
|
if (data)
|
|
m_printDialogData = (*data);
|
|
sm_lastError = wxPRINTER_NO_ERROR;
|
|
}
|
|
|
|
wxWindow *wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
|
|
bool wxPrinterBase::sm_abortIt = FALSE;
|
|
wxPrinterError wxPrinterBase::sm_lastError = wxPRINTER_NO_ERROR;
|
|
|
|
wxPrinterBase::~wxPrinterBase()
|
|
{
|
|
}
|
|
|
|
void wxPrintAbortDialog::OnCancel(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxPrinterBase::sm_abortIt = TRUE;
|
|
wxPrinterBase::sm_abortWindow->Show(FALSE);
|
|
wxPrinterBase::sm_abortWindow->Close(TRUE);
|
|
wxPrinterBase::sm_abortWindow = (wxWindow *) NULL;
|
|
}
|
|
|
|
wxWindow *wxPrinterBase::CreateAbortWindow(wxWindow *parent, wxPrintout * printout)
|
|
{
|
|
wxPrintAbortDialog *dialog = new wxPrintAbortDialog(parent, _("Printing ") , wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE);
|
|
|
|
wxBoxSizer *button_sizer = new wxBoxSizer( wxVERTICAL );
|
|
button_sizer->Add( new wxStaticText(dialog, -1, _("Please wait while printing\n") + printout->GetTitle() ), 0, wxALL, 10 );
|
|
button_sizer->Add( new wxButton( dialog, wxID_CANCEL, wxT("Cancel") ), 0, wxALL | wxALIGN_CENTER, 10 );
|
|
|
|
dialog->SetAutoLayout( TRUE );
|
|
dialog->SetSizer( button_sizer );
|
|
|
|
button_sizer->Fit(dialog);
|
|
button_sizer->SetSizeHints (dialog) ;
|
|
|
|
return dialog;
|
|
}
|
|
|
|
void wxPrinterBase::ReportError(wxWindow *parent, wxPrintout *WXUNUSED(printout), const wxString& message)
|
|
{
|
|
wxMessageBox(message, _("Printing Error"), wxOK, parent);
|
|
}
|
|
|
|
/*
|
|
* Printout class
|
|
*/
|
|
|
|
wxPrintout::wxPrintout(const wxString& title)
|
|
{
|
|
m_printoutTitle = title ;
|
|
m_printoutDC = (wxDC *) NULL;
|
|
m_pageWidthMM = 0;
|
|
m_pageHeightMM = 0;
|
|
m_pageWidthPixels = 0;
|
|
m_pageHeightPixels = 0;
|
|
m_PPIScreenX = 0;
|
|
m_PPIScreenY = 0;
|
|
m_PPIPrinterX = 0;
|
|
m_PPIPrinterY = 0;
|
|
m_isPreview = FALSE;
|
|
}
|
|
|
|
wxPrintout::~wxPrintout()
|
|
{
|
|
}
|
|
|
|
bool wxPrintout::OnBeginDocument(int WXUNUSED(startPage), int WXUNUSED(endPage))
|
|
{
|
|
return GetDC()->StartDoc(_("Printing ") + m_printoutTitle);
|
|
}
|
|
|
|
void wxPrintout::OnEndDocument()
|
|
{
|
|
GetDC()->EndDoc();
|
|
}
|
|
|
|
void wxPrintout::OnBeginPrinting()
|
|
{
|
|
}
|
|
|
|
void wxPrintout::OnEndPrinting()
|
|
{
|
|
}
|
|
|
|
bool wxPrintout::HasPage(int page)
|
|
{
|
|
return (page == 1);
|
|
}
|
|
|
|
void wxPrintout::GetPageInfo(int *minPage, int *maxPage, int *fromPage, int *toPage)
|
|
{
|
|
*minPage = 1;
|
|
*maxPage = 32000;
|
|
*fromPage = 1;
|
|
*toPage = 1;
|
|
}
|
|
|
|
/*
|
|
* Preview canvas
|
|
*/
|
|
|
|
wxPreviewCanvas::wxPreviewCanvas(wxPrintPreviewBase *preview, wxWindow *parent,
|
|
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
|
|
wxScrolledWindow(parent, -1, pos, size, style, name)
|
|
{
|
|
m_printPreview = preview;
|
|
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
|
|
|
|
SetScrollbars(15, 18, 100, 100);
|
|
}
|
|
|
|
wxPreviewCanvas::~wxPreviewCanvas()
|
|
{
|
|
}
|
|
|
|
void wxPreviewCanvas::OnPaint(wxPaintEvent& WXUNUSED(event))
|
|
{
|
|
wxPaintDC dc(this);
|
|
PrepareDC( dc );
|
|
|
|
/*
|
|
#ifdef __WXGTK__
|
|
if (!GetUpdateRegion().IsEmpty())
|
|
dc.SetClippingRegion( GetUpdateRegion() );
|
|
#endif
|
|
*/
|
|
|
|
if (m_printPreview)
|
|
{
|
|
m_printPreview->PaintPage(this, dc);
|
|
}
|
|
}
|
|
|
|
// Responds to colour changes, and passes event on to children.
|
|
void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
|
|
{
|
|
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_APPWORKSPACE));
|
|
Refresh();
|
|
|
|
// Propagate the event to the non-top-level children
|
|
wxWindow::OnSysColourChanged(event);
|
|
}
|
|
|
|
/*
|
|
* Preview control bar
|
|
*/
|
|
|
|
BEGIN_EVENT_TABLE(wxPreviewControlBar, wxPanel)
|
|
EVT_BUTTON(wxID_PREVIEW_CLOSE, wxPreviewControlBar::OnWindowClose)
|
|
EVT_BUTTON(wxID_PREVIEW_PRINT, wxPreviewControlBar::OnPrint)
|
|
EVT_BUTTON(wxID_PREVIEW_PREVIOUS, wxPreviewControlBar::OnPreviousButton)
|
|
EVT_BUTTON(wxID_PREVIEW_NEXT, wxPreviewControlBar::OnNextButton)
|
|
EVT_BUTTON(wxID_PREVIEW_FIRST, wxPreviewControlBar::OnFirstButton)
|
|
EVT_BUTTON(wxID_PREVIEW_LAST, wxPreviewControlBar::OnLastButton)
|
|
EVT_BUTTON(wxID_PREVIEW_GOTO, wxPreviewControlBar::OnGotoButton)
|
|
EVT_CHAR(wxPreviewControlBar::OnChar)
|
|
EVT_CHOICE(wxID_PREVIEW_ZOOM, wxPreviewControlBar::OnZoom)
|
|
EVT_PAINT(wxPreviewControlBar::OnPaint)
|
|
END_EVENT_TABLE()
|
|
|
|
wxPreviewControlBar::wxPreviewControlBar(wxPrintPreviewBase *preview, long buttons,
|
|
wxWindow *parent, const wxPoint& pos, const wxSize& size,
|
|
long style, const wxString& name):
|
|
wxPanel(parent, -1, pos, size, style, name)
|
|
{
|
|
m_printPreview = preview;
|
|
m_closeButton = (wxButton *) NULL;
|
|
m_nextPageButton = (wxButton *) NULL;
|
|
m_previousPageButton = (wxButton *) NULL;
|
|
m_printButton = (wxButton *) NULL;
|
|
m_zoomControl = (wxChoice *) NULL;
|
|
m_buttonFlags = buttons;
|
|
}
|
|
|
|
wxPreviewControlBar::~wxPreviewControlBar()
|
|
{
|
|
}
|
|
|
|
void wxPreviewControlBar::OnPaint(wxPaintEvent& WXUNUSED(event))
|
|
{
|
|
wxPaintDC dc(this);
|
|
|
|
int w, h;
|
|
GetSize(&w, &h);
|
|
dc.SetPen(*wxBLACK_PEN);
|
|
dc.SetBrush(*wxTRANSPARENT_BRUSH);
|
|
dc.DrawLine( 0, h-1, w, h-1 );
|
|
}
|
|
|
|
void wxPreviewControlBar::OnWindowClose(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxPreviewFrame *frame = (wxPreviewFrame *)GetParent();
|
|
frame->Close(TRUE);
|
|
}
|
|
|
|
void wxPreviewControlBar::OnPrint(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
preview->Print(TRUE);
|
|
}
|
|
|
|
void wxPreviewControlBar::OnChar(wxKeyEvent &event)
|
|
{
|
|
switch(event.GetKeyCode())
|
|
{
|
|
case WXK_NEXT:
|
|
OnNext(); break;
|
|
case WXK_PRIOR:
|
|
OnPrevious(); break;
|
|
case WXK_HOME:
|
|
OnFirst(); break;
|
|
case WXK_END:
|
|
OnLast(); break;
|
|
case WXK_TAB:
|
|
OnGoto(); break;
|
|
default:
|
|
event.Skip();
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnNext(void)
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
if (preview)
|
|
{
|
|
int currentPage = preview->GetCurrentPage();
|
|
if ((preview->GetMaxPage() > 0) &&
|
|
(currentPage < preview->GetMaxPage()) &&
|
|
preview->GetPrintout()->HasPage(currentPage + 1))
|
|
{
|
|
preview->SetCurrentPage(currentPage + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnPrevious(void)
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
if (preview)
|
|
{
|
|
int currentPage = preview->GetCurrentPage();
|
|
if ((preview->GetMinPage() > 0) &&
|
|
(currentPage > preview->GetMinPage()) &&
|
|
preview->GetPrintout()->HasPage(currentPage - 1))
|
|
{
|
|
preview->SetCurrentPage(currentPage - 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnFirst(void)
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
if (preview)
|
|
{
|
|
int currentPage = preview->GetMinPage();
|
|
if (preview->GetPrintout()->HasPage(currentPage))
|
|
{
|
|
preview->SetCurrentPage(currentPage);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnLast(void)
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
if (preview)
|
|
{
|
|
int currentPage = preview->GetMaxPage();
|
|
if (preview->GetPrintout()->HasPage(currentPage))
|
|
{
|
|
preview->SetCurrentPage(currentPage);
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnGoto(void)
|
|
{
|
|
wxPrintPreviewBase *preview = GetPrintPreview();
|
|
if (preview)
|
|
{
|
|
long currentPage;
|
|
|
|
if (preview->GetMinPage() > 0)
|
|
{
|
|
wxString strPrompt;
|
|
wxString strPage;
|
|
|
|
strPrompt.Printf( wxT("%d...%d"),
|
|
preview->GetMinPage(), preview->GetMaxPage());
|
|
strPage.Printf( wxT("%d"), preview->GetCurrentPage() );
|
|
|
|
strPage =
|
|
wxGetTextFromUser( strPrompt, _("Goto Page"), strPage);
|
|
|
|
if ( strPage.ToLong( ¤tPage ) )
|
|
if (preview->GetPrintout()->HasPage(currentPage))
|
|
{
|
|
preview->SetCurrentPage(currentPage);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void wxPreviewControlBar::OnZoom(wxCommandEvent& WXUNUSED(event))
|
|
{
|
|
int zoom = GetZoomControl();
|
|
if (GetPrintPreview())
|
|
GetPrintPreview()->SetZoom(zoom);
|
|
}
|
|
|
|
void wxPreviewControlBar::CreateButtons()
|
|
{
|
|
SetSize(0, 0, 400, 40);
|
|
|
|
wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
|
|
|
|
int smallButtonWidth = 45;
|
|
|
|
m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
|
|
item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
|
|
|
|
if (m_buttonFlags & wxPREVIEW_PRINT)
|
|
{
|
|
m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
|
|
item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_FIRST)
|
|
{
|
|
m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
|
|
item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_PREVIOUS)
|
|
{
|
|
m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
|
|
item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_NEXT)
|
|
{
|
|
m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
|
|
item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_LAST)
|
|
{
|
|
m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
|
|
item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_GOTO)
|
|
{
|
|
m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
|
|
item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
|
|
}
|
|
|
|
if (m_buttonFlags & wxPREVIEW_ZOOM)
|
|
{
|
|
wxString choices[] =
|
|
{
|
|
wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
|
|
wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
|
|
wxT("120%"), wxT("150%"), wxT("200%")
|
|
};
|
|
int n = WXSIZEOF(choices);
|
|
|
|
m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,-1), n, choices, 0 );
|
|
item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
|
|
SetZoomControl(m_printPreview->GetZoom());
|
|
}
|
|
|
|
SetSizer(item0);
|
|
item0->Fit(this);
|
|
}
|
|
|
|
void wxPreviewControlBar::SetZoomControl(int zoom)
|
|
{
|
|
wxChar buf[20];
|
|
wxSprintf( buf, wxT("%d%%"), zoom );
|
|
|
|
if (m_zoomControl)
|
|
m_zoomControl->SetStringSelection(buf);
|
|
}
|
|
|
|
int wxPreviewControlBar::GetZoomControl()
|
|
{
|
|
wxChar buf[20];
|
|
if (m_zoomControl && (m_zoomControl->GetStringSelection() != wxT("")))
|
|
{
|
|
wxStrcpy(buf, m_zoomControl->GetStringSelection());
|
|
buf[wxStrlen(buf) - 1] = 0;
|
|
return (int)wxAtoi(buf);
|
|
}
|
|
else return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Preview frame
|
|
*/
|
|
|
|
BEGIN_EVENT_TABLE(wxPreviewFrame, wxFrame)
|
|
EVT_CLOSE(wxPreviewFrame::OnCloseWindow)
|
|
END_EVENT_TABLE()
|
|
|
|
wxPreviewFrame::wxPreviewFrame(wxPrintPreviewBase *preview, wxFrame *parent, const wxString& title,
|
|
const wxPoint& pos, const wxSize& size, long style, const wxString& name):
|
|
wxFrame(parent, -1, title, pos, size, style, name)
|
|
{
|
|
m_printPreview = preview;
|
|
m_controlBar = NULL;
|
|
m_previewCanvas = NULL;
|
|
}
|
|
|
|
wxPreviewFrame::~wxPreviewFrame()
|
|
{
|
|
}
|
|
|
|
void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
|
|
{
|
|
// MakeModal doesn't work on wxMac, especially when there
|
|
// are multiple top-level windows.
|
|
#ifndef __WXMAC__
|
|
MakeModal(FALSE);
|
|
#endif
|
|
|
|
// Need to delete the printout and the print preview
|
|
wxPrintout *printout = m_printPreview->GetPrintout();
|
|
if (printout)
|
|
{
|
|
delete printout;
|
|
m_printPreview->SetPrintout(NULL);
|
|
m_printPreview->SetCanvas(NULL);
|
|
m_printPreview->SetFrame(NULL);
|
|
}
|
|
delete m_printPreview;
|
|
|
|
Destroy();
|
|
}
|
|
|
|
void wxPreviewFrame::Initialize()
|
|
{
|
|
CreateStatusBar();
|
|
CreateCanvas();
|
|
CreateControlBar();
|
|
|
|
m_printPreview->SetCanvas(m_previewCanvas);
|
|
m_printPreview->SetFrame(this);
|
|
|
|
wxBoxSizer *item0 = new wxBoxSizer( wxVERTICAL );
|
|
|
|
item0->Add( m_controlBar, 0, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
|
|
item0->Add( m_previewCanvas, 1, wxGROW|wxALIGN_CENTER_VERTICAL, 5 );
|
|
|
|
SetAutoLayout( TRUE );
|
|
SetSizer( item0 );
|
|
|
|
// MakeModal doesn't work on wxMac, especially when there
|
|
// are multiple top-level windows.
|
|
#ifndef __WXMAC__
|
|
MakeModal(TRUE);
|
|
#endif
|
|
|
|
Layout();
|
|
}
|
|
|
|
void wxPreviewFrame::CreateCanvas()
|
|
{
|
|
m_previewCanvas = new wxPreviewCanvas(m_printPreview, this);
|
|
}
|
|
|
|
void wxPreviewFrame::CreateControlBar()
|
|
{
|
|
long buttons = wxPREVIEW_DEFAULT;
|
|
if (m_printPreview->GetPrintoutForPrinting())
|
|
buttons |= wxPREVIEW_PRINT;
|
|
|
|
m_controlBar = new wxPreviewControlBar(m_printPreview, buttons, this, wxPoint(0, 0), wxSize(400, 40));
|
|
m_controlBar->CreateButtons();
|
|
}
|
|
|
|
/*
|
|
* Print preview
|
|
*/
|
|
|
|
wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
|
|
wxPrintout *printoutForPrinting,
|
|
wxPrintData *data)
|
|
{
|
|
if (data)
|
|
m_printDialogData = (*data);
|
|
|
|
Init(printout, printoutForPrinting);
|
|
}
|
|
|
|
wxPrintPreviewBase::wxPrintPreviewBase(wxPrintout *printout,
|
|
wxPrintout *printoutForPrinting,
|
|
wxPrintDialogData *data)
|
|
{
|
|
if (data)
|
|
m_printDialogData = (*data);
|
|
|
|
Init(printout, printoutForPrinting);
|
|
}
|
|
|
|
void wxPrintPreviewBase::Init(wxPrintout *printout,
|
|
wxPrintout *printoutForPrinting)
|
|
{
|
|
m_isOk = TRUE;
|
|
m_previewPrintout = printout;
|
|
if (m_previewPrintout)
|
|
m_previewPrintout->SetIsPreview(TRUE);
|
|
|
|
m_printPrintout = printoutForPrinting;
|
|
|
|
m_previewCanvas = NULL;
|
|
m_previewFrame = NULL;
|
|
m_previewBitmap = NULL;
|
|
m_currentPage = 1;
|
|
m_currentZoom = 70;
|
|
m_topMargin = 40;
|
|
m_leftMargin = 40;
|
|
m_pageWidth = 0;
|
|
m_pageHeight = 0;
|
|
m_printingPrepared = FALSE;
|
|
|
|
// Too soon! Moved to RenderPage.
|
|
// printout->OnPreparePrinting();
|
|
|
|
// Get some parameters from the printout, if defined
|
|
int selFrom, selTo;
|
|
printout->GetPageInfo(&m_minPage, &m_maxPage, &selFrom, &selTo);
|
|
}
|
|
|
|
wxPrintPreviewBase::~wxPrintPreviewBase()
|
|
{
|
|
if (m_previewPrintout)
|
|
delete m_previewPrintout;
|
|
if (m_previewBitmap)
|
|
delete m_previewBitmap;
|
|
if (m_printPrintout)
|
|
delete m_printPrintout;
|
|
}
|
|
|
|
bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
|
|
{
|
|
if (m_currentPage == pageNum)
|
|
return TRUE;
|
|
|
|
m_currentPage = pageNum;
|
|
if (m_previewBitmap)
|
|
{
|
|
delete m_previewBitmap;
|
|
m_previewBitmap = NULL;
|
|
}
|
|
|
|
if (m_previewCanvas)
|
|
{
|
|
if (!RenderPage(pageNum))
|
|
return FALSE;
|
|
m_previewCanvas->Refresh();
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxPrintPreviewBase::PaintPage(wxWindow *canvas, wxDC& dc)
|
|
{
|
|
DrawBlankPage(canvas, dc);
|
|
|
|
if (!m_previewBitmap)
|
|
if (!RenderPage(m_currentPage))
|
|
return FALSE;
|
|
|
|
if (!m_previewBitmap)
|
|
return FALSE;
|
|
|
|
if (!canvas)
|
|
return FALSE;
|
|
|
|
int canvasWidth, canvasHeight;
|
|
canvas->GetSize(&canvasWidth, &canvasHeight);
|
|
|
|
double zoomScale = ((float)m_currentZoom/(float)100);
|
|
double actualWidth = (zoomScale*m_pageWidth*m_previewScale);
|
|
// float actualHeight = (float)(zoomScale*m_pageHeight*m_previewScale);
|
|
|
|
int x = (int) ((canvasWidth - actualWidth)/2.0);
|
|
if (x < m_leftMargin)
|
|
x = m_leftMargin;
|
|
int y = m_topMargin;
|
|
|
|
wxMemoryDC temp_dc;
|
|
temp_dc.SelectObject(*m_previewBitmap);
|
|
|
|
dc.Blit(x, y, m_previewBitmap->GetWidth(), m_previewBitmap->GetHeight(), &temp_dc, 0, 0);
|
|
|
|
temp_dc.SelectObject(wxNullBitmap);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxPrintPreviewBase::RenderPage(int pageNum)
|
|
{
|
|
wxBusyCursor busy;
|
|
|
|
int canvasWidth, canvasHeight;
|
|
|
|
if (!m_previewCanvas)
|
|
{
|
|
wxFAIL_MSG(_T("wxPrintPreviewBase::RenderPage: must use wxPrintPreviewBase::SetCanvas to let me know about the canvas!"));
|
|
|
|
return FALSE;
|
|
}
|
|
m_previewCanvas->GetSize(&canvasWidth, &canvasHeight);
|
|
|
|
double zoomScale = (m_currentZoom/100.0);
|
|
int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
|
|
int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
|
|
|
|
int x = (int)((canvasWidth - actualWidth)/2.0);
|
|
if (x < m_leftMargin)
|
|
x = m_leftMargin;
|
|
// int y = m_topMargin;
|
|
|
|
|
|
if (!m_previewBitmap)
|
|
{
|
|
m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
|
|
if (!m_previewBitmap || !m_previewBitmap->Ok())
|
|
{
|
|
if (m_previewBitmap) {
|
|
delete m_previewBitmap;
|
|
m_previewBitmap = NULL;
|
|
}
|
|
wxMessageBox(_("Sorry, not enough memory to create a preview."), _("Print Preview Failure"), wxOK);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
wxMemoryDC memoryDC;
|
|
memoryDC.SelectObject(*m_previewBitmap);
|
|
|
|
memoryDC.Clear();
|
|
|
|
m_previewPrintout->SetDC(&memoryDC);
|
|
m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
|
|
|
|
// Need to delay OnPreparePrinting until here, so we have enough information.
|
|
if (!m_printingPrepared)
|
|
{
|
|
m_previewPrintout->OnPreparePrinting();
|
|
m_printingPrepared = TRUE;
|
|
}
|
|
|
|
m_previewPrintout->OnBeginPrinting();
|
|
|
|
if (!m_previewPrintout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
|
|
{
|
|
wxMessageBox(_("Could not start document preview."), _("Print Preview Failure"), wxOK);
|
|
|
|
memoryDC.SelectObject(wxNullBitmap);
|
|
|
|
delete m_previewBitmap;
|
|
m_previewBitmap = NULL;
|
|
return FALSE;
|
|
}
|
|
|
|
m_previewPrintout->OnPrintPage(pageNum);
|
|
m_previewPrintout->OnEndDocument();
|
|
m_previewPrintout->OnEndPrinting();
|
|
|
|
m_previewPrintout->SetDC(NULL);
|
|
|
|
memoryDC.SelectObject(wxNullBitmap);
|
|
|
|
wxChar buf[200];
|
|
if (m_maxPage != 0)
|
|
wxSprintf(buf, _("Page %d of %d"), pageNum, m_maxPage);
|
|
else
|
|
wxSprintf(buf, _("Page %d"), pageNum);
|
|
|
|
if (m_previewFrame)
|
|
m_previewFrame->SetStatusText(buf);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
bool wxPrintPreviewBase::DrawBlankPage(wxWindow *canvas, wxDC& dc)
|
|
{
|
|
int canvasWidth, canvasHeight;
|
|
canvas->GetSize(&canvasWidth, &canvasHeight);
|
|
|
|
float zoomScale = (float)((float)m_currentZoom/(float)100);
|
|
float actualWidth = zoomScale*m_pageWidth*m_previewScale;
|
|
float actualHeight = zoomScale*m_pageHeight*m_previewScale;
|
|
|
|
float x = (float)((canvasWidth - actualWidth)/2.0);
|
|
if (x < m_leftMargin)
|
|
x = (float)m_leftMargin;
|
|
float y = (float)m_topMargin;
|
|
|
|
// Draw shadow, allowing for 1-pixel border AROUND the actual page
|
|
int shadowOffset = 4;
|
|
dc.SetPen(*wxBLACK_PEN);
|
|
dc.SetBrush(*wxBLACK_BRUSH);
|
|
/*
|
|
dc.DrawRectangle((int)(x-1 + shadowOffset), (int)(y-1 + shadowOffset), (int)(actualWidth+2), (int)(actualHeight+2));
|
|
*/
|
|
dc.DrawRectangle((int)(x + shadowOffset), (int)(y + actualHeight+1), (int)(actualWidth), shadowOffset);
|
|
dc.DrawRectangle((int)(x + actualWidth), (int)(y + shadowOffset), shadowOffset, (int)(actualHeight));
|
|
|
|
// Draw blank page allowing for 1-pixel border AROUND the actual page
|
|
dc.SetPen(*wxBLACK_PEN);
|
|
dc.SetBrush(*wxWHITE_BRUSH);
|
|
|
|
/*
|
|
wxRegion update_region = canvas->GetUpdateRegion();
|
|
wxRect r = update_region.GetBox();
|
|
|
|
printf( "x: %d y: %d w: %d h: %d.\n", (int)r.x, (int)r.y, (int)r.width, (int)r.height );
|
|
*/
|
|
|
|
dc.DrawRectangle((int)(x-2), (int)(y-1), (int)(actualWidth+3), (int)(actualHeight+2));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void wxPrintPreviewBase::SetZoom(int percent)
|
|
{
|
|
if (m_currentZoom == percent)
|
|
return;
|
|
|
|
m_currentZoom = percent;
|
|
if (m_previewBitmap)
|
|
{
|
|
delete m_previewBitmap;
|
|
m_previewBitmap = NULL;
|
|
}
|
|
|
|
if (m_previewCanvas)
|
|
{
|
|
RenderPage(m_currentPage);
|
|
((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
|
|
m_previewCanvas->Clear();
|
|
m_previewCanvas->Refresh();
|
|
}
|
|
}
|
|
|
|
#endif // wxUSE_PRINTING_ARCHITECTURE
|