src/frontends/qt2/FormPrint.C

   1 /**
   2  * \file FormPrint.C
   3  * Copyright 2001 LyX Team
   4  * see the file COPYING
   5  *
   6  * \author John Levon, moz@compsoc.man.ac.uk
   7  */
   8
   9 #include <config.h>
  10
  11 #include "printdlgimpl.h"
  12 #include "FormPrint.h"
  13 #include "Dialogs.h"
  14 #include "gettext.h"
  15 #include "buffer.h"
  16 #include "lyxrc.h"
  17 #include "QtLyXView.h"
  18
  19 #include "PrinterParams.h"
  20 #include "Liason.h"
  21 #include "BufferView.h"
  22 #include "support/lstrings.h"
  23 #include "qmessagebox.h"
  24
  25 #ifdef SIGC_CXX_NAMESPACES
  26 using SigC::slot;
  27 #endif
  28
  29 #ifdef CXX_WORKING_NAMESPACES
  30 using Liason::printBuffer;
  31 using Liason::getPrinterParams;
  32 using std::max;
  33 #endif
  34
  35 FormPrint::FormPrint(LyXView *v, Dialogs *d)
  36         : dialog_(0), lv_(v), d_(d), h_(0), u_(0)
  37 {
  38         // let the dialog be shown
  39         // This is a permanent connection so we won't bother
  40         // storing a copy because we won't be disconnecting.
  41         d->showPrint.connect(slot(this, &FormPrint::show));
  42 }
  43
  44 FormPrint::~FormPrint()
  45 {
  46         delete dialog_;
  47 }
  48
  49 // we can safely ignore the parameter because we can always update
  50 void FormPrint::update(bool)
  51 {
  52         if (!lv_->view()->available())
  53                return;
  54
  55         PrinterParams pp(getPrinterParams(lv_->buffer()));
  56
  57         dialog_->setTarget(pp.target);
  58         dialog_->setPrinter(pp.printer_name.c_str());
  59         dialog_->setFile(pp.file_name.c_str());
  60         dialog_->setWhichPages(pp.which_pages);
  61         dialog_->setReverse(pp.reverse_order);
  62         dialog_->setSort(pp.unsorted_copies);
  63         dialog_->setCount(pp.count_copies);
  64
  65         if (!pp.from_page.empty()) {
  66                 dialog_->setFrom(pp.from_page.c_str());
  67                 if (pp.to_page)
  68                         dialog_->setTo(tostr(pp.to_page).c_str());
  69                 else
  70                         dialog_->setTo("");
  71         } else {
  72                 dialog_->setFrom("");
  73                 dialog_->setTo("");
  74         }
  75 }
  76
  77 void FormPrint::print()
  78 {
  79         if (!lv_->view()->available())
  80                return;
  81
  82         string from;
  83         int to(0);
  84
  85         if (strlen(dialog_->getFrom())) {
  86                 from = dialog_->getFrom();
  87                 if (strlen(dialog_->getTo()))
  88                         to = strToInt(dialog_->getTo());
  89         }
  90
  91         int retval;
  92         retval = printBuffer(lv_->buffer(), PrinterParams(dialog_->getTarget(),
  93                 string(dialog_->getPrinter()), string(dialog_->getFile()),
  94                 dialog_->getWhichPages(), from, to, dialog_->getReverse(),
  95                 dialog_->getSort(), max(strToInt(dialog_->getCount()),1)));
  96
  97         if (!retval) {
  98                 // FIXME: should have a utility class for this
  99                 string message(_("An error occured while printing.\n\n"));
 100                 message += _("Check the parameters are correct.\n");
 101                 QMessageBox msg( _("LyX: Print Error"), message.c_str(), QMessageBox::Warning, 1,0,0);
 102                 msg.raise();
 103                 msg.setActiveWindow();
 104                 msg.show();
 105         }
 106 }
 107
 108 void FormPrint::show()
 109 {
 110         if (!dialog_)
 111                 dialog_ = new PrintDlgImpl(this, 0, _("LyX: Print"));
 112
 113         if (!dialog_->isVisible()) {
 114                 h_ = d_->hideBufferDependent.connect(slot(this, &FormPrint::hide));
 115                 u_ = d_->updateBufferDependent.connect(slot(this, &FormPrint::update));
 116         }
 117
 118         dialog_->raise();
 119         dialog_->setActiveWindow();
 120
 121         update();
 122         dialog_->show();
 123 }
 124
 125 void FormPrint::close()
 126 {
 127         h_.disconnect();
 128         u_.disconnect();
 129 }
 130
 131 void FormPrint::hide()
 132 {
 133         dialog_->hide();
 134         close();
 135 }