frontend/ddlineedit.cpp

   1 // ddlineedit.cpp
   2
   3 // Copyright (C) 2012-2013 by Werner Lemberg.
   4 //
   5 // This file is part of the ttfautohint library, and may only be used,
   6 // modified, and distributed under the terms given in `COPYING'.  By
   7 // continuing to use, modify, or distribute this file you indicate that you
   8 // have read `COPYING' and understand and accept it fully.
   9 //
  10 // The file `COPYING' mentioned in the previous paragraph is distributed
  11 // with the ttfautohint library.
  12
  13
  14 // Derived class `Drag_Drop_Line_Edit' is Tooltip_Line_Edit
  15 // that accepts drag and drop.
  16
  17 #include <config.h>
  18
  19 #include "ddlineedit.h"
  20
  21 Drag_Drop_Line_Edit::Drag_Drop_Line_Edit(QWidget* parent)
  22 : Tooltip_Line_Edit(parent)
  23 {
  24   // empty
  25 }
  26
  27
  28 // XXX: There are no standardized MIME types for TTFs and TTCs
  29 //      that work everywhere.  So we rely on the extension.
  30
  31 void
  32 Drag_Drop_Line_Edit::dragEnterEvent(QDragEnterEvent* event)
  33 {
  34   QList<QUrl> url_list;
  35   QString file_name;
  36
  37   if (event->mimeData()->hasUrls())
  38   {
  39     url_list = event->mimeData()->urls();
  40
  41     // if just text was dropped, url_list is empty
  42     if (url_list.size())
  43     {
  44       file_name = url_list[0].toLocalFile();
  45
  46       if (file_name.endsWith(".ttf")
  47           || file_name.endsWith(".TTF")
  48           || file_name.endsWith(".ttc")
  49           || file_name.endsWith(".TTC"))
  50         event->acceptProposedAction();
  51     }
  52   }
  53 }
  54
  55
  56 void
  57 Drag_Drop_Line_Edit::dropEvent(QDropEvent* event)
  58 {
  59   QList<QUrl> url_list;
  60   QString file_name;
  61   QFileInfo info;
  62
  63   if (event->mimeData()->hasUrls())
  64   {
  65     url_list = event->mimeData()->urls();
  66
  67     // if just text was dropped, url_list is empty
  68     if (url_list.size())
  69     {
  70       file_name = url_list[0].toLocalFile();
  71
  72       // check whether `file_name' is valid
  73       info.setFile(file_name);
  74       if (info.isFile())
  75         setText(file_name);
  76     }
  77   }
  78
  79   event->acceptProposedAction();
  80 }
  81
  82 // end of ddlineedit.cpp