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 using Liason::printBuffer;
  26 using Liason::getPrinterParams;
  27 using std::max;
  28
  29 FormPrint::FormPrint(LyXView *v, Dialogs *d)
  30         : dialog_(0), lv_(v), d_(d), h_(0), u_(0)
  31 {
  32         // let the dialog be shown
  33         // This is a permanent connection so we won't bother
  34         // storing a copy because we won't be disconnecting.
  35         d->showPrint.connect(SigC::slot(this, &FormPrint::show));
  36 }
  37
  38 FormPrint::~FormPrint()
  39 {
  40         delete dialog_;
  41 }
  42
  43 // we can safely ignore the parameter because we can always update
  44 void FormPrint::update(bool)
  45 {
  46         if (!lv_->view()->available())
  47                return;
  48
  49         PrinterParams pp(getPrinterParams(lv_->buffer()));
  50
  51         dialog_->setTarget(pp.target);
  52         dialog_->setPrinter(pp.printer_name.c_str());
  53         dialog_->setFile(pp.file_name.c_str());
  54         dialog_->setWhichPages(pp.which_pages);
  55         dialog_->setReverse(pp.reverse_order);
  56         dialog_->setSort(pp.unsorted_copies);
  57         dialog_->setCount(pp.count_copies);
  58
  59         if (!pp.from_page.empty()) {
  60                 dialog_->setFrom(pp.from_page.c_str());
  61                 if (pp.to_page)
  62                         dialog_->setTo(tostr(pp.to_page).c_str());
  63                 else
  64                         dialog_->setTo("");
  65         } else {
  66                 dialog_->setFrom("");
  67                 dialog_->setTo("");
  68         }
  69 }
  70
  71 void FormPrint::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 void FormPrint::show()
 102 {
 103         if (!dialog_)
 104                 dialog_ = new PrintDlgImpl(this, 0, _("LyX: Print"));
 105
 106         if (!dialog_->isVisible()) {
 107                 h_ = d_->hideBufferDependent.connect(SigC::slot(this, &FormPrint::hide));
 108                 u_ = d_->updateBufferDependent.connect(SigC::slot(this, &FormPrint::update));
 109         }
 110
 111         dialog_->raise();
 112         dialog_->setActiveWindow();
 113
 114         update();
 115         dialog_->show();
 116 }
 117
 118 void FormPrint::close()
 119 {
 120         h_.disconnect();
 121         u_.disconnect();
 122 }
 123
 124 void FormPrint::hide()
 125 {
 126         dialog_->hide();
 127         close();
 128 }