git.maemo.org Git - qstardict/blob - qstardict/selection.cpp

   1 /*****************************************************************************
   2  * selection.cpp - QStarDict, a StarDict clone written with using Qt         *
   3  * Copyright (C) 2007 Alexander Rodin                                        *
   4  *                                                                           *
   5  * This program is free software; you can redistribute it and/or modify      *
   6  * it under the terms of the GNU General Public License as published by      *
   7  * the Free Software Foundation; either version 2 of the License, or         *
   8  * (at your option) any later version.                                       *
   9  *                                                                           *
  10  * This program is distributed in the hope that it will be useful,           *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
  13  * GNU General Public License for more details.                              *
  14  *                                                                           *
  15  * You should have received a copy of the GNU General Public License along   *
  16  * with this program; if not, write to the Free Software Foundation, Inc.,   *
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.               *
  18  *****************************************************************************/
  19
  20 #include "selection.h"
  21
  22 #ifdef Q_WS_WIN
  23 #include <windows.h>
  24
  25 namespace
  26 {
  27
  28 QString currentSelection()
  29 {
  30     POINT Point;
  31     HWND hWindow;
  32     DWORD dwStart, dwEnd;
  33     char szWindowText[256];
  34
  35     if (! GetCursorPos(&Point))
  36         return QString();
  37
  38     if( ! (hWindow = WindowFromPoint(Point)))
  39         return QString();
  40
  41     SendMessage(hWindow, WM_GETTEXT, 256, (LPARAM)szWindowText);
  42     SendMessage(hWindow, EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
  43
  44     return QString::fromLocal8Bit(szWindowText);
  45 }
  46
  47 }
  48
  49 #else // Q_WS_WIN
  50
  51 #include <QApplication>
  52 #include <QClipboard>
  53
  54 namespace
  55 {
  56
  57 inline QString currentSelection()
  58 { return QApplication::clipboard()->text(QClipboard::Selection); }
  59
  60 }
  61
  62 #endif // Q_WS_WIN
  63
  64 namespace QStarDict
  65 {
  66
  67 Selection::Selection(QObject *parent)
  68     : QObject(parent)
  69 {
  70     m_scan = false;
  71     m_timerId = 0;
  72 }
  73
  74 void Selection::setScan(bool scan)
  75 {
  76     if (m_scan == scan)
  77         return;
  78
  79     m_scan = scan;
  80     if (m_scan)
  81     {
  82         m_lastState = currentSelection();
  83         m_timerId = startTimer(300);
  84     }
  85     else
  86         killTimer(m_timerId);
  87 }
  88
  89 void Selection::timerEvent(QTimerEvent*)
  90 {
  91     if (m_lastState != currentSelection())
  92     {
  93         m_lastState = currentSelection();
  94         emit changed(m_lastState);
  95     }
  96 }
  97
  98 }
  99
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