src/frontends/qt2/QPrint.C

   1 /**
   2  * \file QPrint.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 "QPrintDialog.h"
  12 #include "QPrint.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 using Liason::printBuffer;
  26 using Liason::getPrinterParams;
  27 using std::max;
  28
  29 QPrint::QPrint(LyXView *v, Dialogs *d)
  30         : dialog_(0), lv_(v), d_(d), h_(0), u_(0)
  31 {
  32         d->showPrint.connect(SigC::slot(this, &QPrint::show));
  33 }
  34
  35
  36 QPrint::~QPrint()
  37 {
  38         delete dialog_;
  39 }
  40
  41
  42 // we can safely ignore the parameter because we can always update
  43 void QPrint::update(bool)
  44 {
  45         if (!lv_->view()->available())
  46                return;
  47
  48         PrinterParams pp(getPrinterParams(lv_->buffer()));
  49
  50         dialog_->setTarget(pp.target);
  51         dialog_->setPrinter(pp.printer_name.c_str());
  52         dialog_->setFile(pp.file_name.c_str());
  53         dialog_->setWhichPages(pp.which_pages);
  54         dialog_->setReverse(pp.reverse_order);
  55         dialog_->setSort(pp.unsorted_copies);
  56         dialog_->setCount(pp.count_copies);
  57
  58         if (!pp.from_page.empty()) {
  59                 dialog_->setFrom(pp.from_page.c_str());
  60                 if (pp.to_page)
  61                         dialog_->setTo(tostr(pp.to_page).c_str());
  62                 else
  63                         dialog_->setTo("");
  64         } else {
  65                 dialog_->setFrom("");
  66                 dialog_->setTo("");
  67         }
  68 }
  69
  70
  71 void QPrint::print()
  72 {
  73         if (!lv_->view()->available())
  74                return;
  75
  76         string from;
  77         int to(0);
  78
  79         if (strlen(dialog_->getFrom())) {
  80                 from = dialog_->getFrom();
  81                 if (strlen(dialog_->getTo()))
  82                         to = strToInt(dialog_->getTo());
  83         }
  84
  85         int retval = printBuffer(lv_->buffer(), PrinterParams(dialog_->getTarget(),
  86                 string(dialog_->getPrinter()), string(dialog_->getFile()),
  87                 dialog_->getWhichPages(), from, to, dialog_->getReverse(),
  88                 dialog_->getSort(), max(strToInt(dialog_->getCount()),1)));
  89
  90         if (!retval) {
  91                 // FIXME: should have a utility class for this
  92                 string message(_("An error occured while printing.\n\n"));
  93                 message += _("Check the parameters are correct.\n");
  94                 QMessageBox msg( _("LyX: Print Error"), message.c_str(), QMessageBox::Warning, 1,0,0);
  95                 msg.raise();
  96                 msg.setActiveWindow();
  97                 msg.show();
  98         }
  99 }
 100
 101
 102 void QPrint::show()
 103 {
 104         if (!dialog_)
 105                 dialog_ = new QPrintDialog(this, 0, _("LyX: Print"));
 106
 107         if (!dialog_->isVisible()) {
 108                 h_ = d_->hideBufferDependent.connect(SigC::slot(this, &QPrint::hide));
 109                 u_ = d_->updateBufferDependent.connect(SigC::slot(this, &QPrint::update));
 110         }
 111
 112         dialog_->raise();
 113         dialog_->setActiveWindow();
 114
 115         update();
 116         dialog_->show();
 117 }
 118
 119
 120 void QPrint::close()
 121 {
 122         h_.disconnect();
 123         u_.disconnect();
 124 }
 125
 126
 127 void QPrint::hide()
 128 {
 129         dialog_->hide();
 130         close();
 131 }