src/Dialog_DropBox.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 LoRd_MuldeR <MuldeR2@GMX.de>
   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 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Dialog_DropBox.h"
  23
  24 #include "../tmp/UIC_DropBox.h"
  25
  26 #include "Global.h"
  27 #include "Model_Settings.h"
  28
  29 #include <QThread>
  30 #include <QMovie>
  31 #include <QKeyEvent>
  32 #include <QDesktopWidget>
  33 #include <QToolTip>
  34 #include <QTimer>
  35
  36 #define EPS (1.0E-5)
  37 #define SET_FONT_BOLD(WIDGET,BOLD) { QFont _font = (WIDGET)->font(); _font.setBold(BOLD); (WIDGET)->setFont(_font); }
  38
  39 ////////////////////////////////////////////////////////////
  40 // Constructor
  41 ////////////////////////////////////////////////////////////
  42
  43 DropBox::DropBox(QWidget *parent, QAbstractItemModel *model, SettingsModel *settings)
  44 :
  45         QDialog(parent, Qt::CustomizeWindowHint | Qt::WindowStaysOnTopHint),
  46         ui(new Ui::DropBox),
  47         m_model(model),
  48         m_settings(settings),
  49         m_moving(false),
  50         m_firstShow(true)
  51 {
  52         //Init the dialog, from the .ui file
  53         ui->setupUi(this);
  54
  55         //Init counter
  56         m_counterLabel = new QLabel(this);
  57         m_counterLabel->setParent(ui->dropBoxLabel);
  58         m_counterLabel->setText("0");
  59         m_counterLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
  60         SET_FONT_BOLD(m_counterLabel, true);
  61
  62         m_windowReferencePoint = new QPoint;
  63         m_mouseReferencePoint = new QPoint;
  64
  65         //Prevent close
  66         m_canClose = false;
  67
  68         //Make transparent
  69         setWindowOpacity(0.8);
  70
  71         //Translate UI
  72         QEvent languageChangeEvent(QEvent::LanguageChange);
  73         changeEvent(&languageChangeEvent);
  74 }
  75
  76 ////////////////////////////////////////////////////////////
  77 // Destructor
  78 ////////////////////////////////////////////////////////////
  79
  80 DropBox::~DropBox(void)
  81 {
  82         LAMEXP_DELETE(m_counterLabel);
  83         LAMEXP_DELETE(m_windowReferencePoint);
  84         LAMEXP_DELETE(m_mouseReferencePoint);
  85         LAMEXP_DELETE(ui);
  86 }
  87
  88 ////////////////////////////////////////////////////////////
  89 // PUBLIC SLOTS
  90 ////////////////////////////////////////////////////////////
  91
  92 void DropBox::modelChanged(void)
  93 {
  94         if(m_model)
  95         {
  96                 m_counterLabel->setText(QString::number(m_model->rowCount()));
  97         }
  98 }
  99
 100 ////////////////////////////////////////////////////////////
 101 // EVENTS
 102 ////////////////////////////////////////////////////////////
 103
 104 /*
 105  * Re-translate the UI
 106  */
 107 void DropBox::changeEvent(QEvent *e)
 108 {
 109         if(e->type() == QEvent::LanguageChange)
 110         {
 111                 ui->retranslateUi(this);
 112                 ui->dropBoxLabel->setToolTip(QString("<b>%1</b><br><nobr>%2</nobr><br><nobr>%3</nobr>").arg(tr("LameXP DropBox"), tr("You can add files to LameXP via Drag&amp;Drop here!"), tr("(Right-click to close the DropBox)")));
 113         }
 114 }
 115
 116 void DropBox::showEvent(QShowEvent *event)
 117 {
 118         QRect screenGeometry = QApplication::desktop()->availableGeometry();
 119
 120         resize(ui->dropBoxLabel->pixmap()->size());
 121         setMaximumSize(ui->dropBoxLabel->pixmap()->size());
 122
 123         m_counterLabel->setGeometry(0, ui->dropBoxLabel->height() - 30, ui->dropBoxLabel->width(), 25);
 124
 125         if(m_firstShow)
 126         {
 127                 m_firstShow = false;
 128                 int max_x = screenGeometry.width() - frameGeometry().width() + screenGeometry.left();
 129                 int max_y = screenGeometry.height() - frameGeometry().height() + screenGeometry.top();
 130                 move(max_x, max_y);
 131                 QTimer::singleShot(333, this, SLOT(showToolTip()));
 132         }
 133
 134         if(m_moving)
 135         {
 136                 QApplication::restoreOverrideCursor();
 137                 m_moving = false;
 138         }
 139 }
 140
 141 void DropBox::keyPressEvent(QKeyEvent *event)
 142 {
 143         event->ignore();
 144 }
 145
 146 void DropBox::keyReleaseEvent(QKeyEvent *event)
 147 {
 148         event->ignore();
 149 }
 150
 151 void DropBox::closeEvent(QCloseEvent *event)
 152 {
 153         if(!m_canClose) event->ignore();
 154 }
 155
 156 void DropBox::mousePressEvent(QMouseEvent *event)
 157 {
 158         if(m_moving)
 159         {
 160                 event->ignore();
 161                 return;
 162         }
 163
 164         if(event->button() == Qt::RightButton)
 165         {
 166                 hide();
 167                 if(m_settings) m_settings->dropBoxWidgetEnabled(false);
 168                 return;
 169         }
 170
 171         QApplication::setOverrideCursor(Qt::SizeAllCursor);
 172         *m_windowReferencePoint = this->pos();
 173         *m_mouseReferencePoint = event->globalPos();
 174         m_moving = true;
 175 }
 176
 177 void DropBox::mouseReleaseEvent(QMouseEvent *event)
 178 {
 179         if(m_moving && event->button() != Qt::RightButton)
 180         {
 181                 QApplication::restoreOverrideCursor();
 182                 m_moving = false;
 183         }
 184 }
 185
 186 void DropBox::mouseMoveEvent(QMouseEvent *event)
 187 {
 188         if(!m_moving)
 189         {
 190                 return;
 191         }
 192
 193         static const int magnetic = 22;
 194         QRect screenGeometry = QApplication::desktop()->availableGeometry();
 195
 196         const int delta_x = m_mouseReferencePoint->x() - event->globalX();
 197         const int delta_y = m_mouseReferencePoint->y() - event->globalY();
 198         const int max_x = screenGeometry.width() - frameGeometry().width() + screenGeometry.left();
 199         const int max_y = screenGeometry.height() - frameGeometry().height() + screenGeometry.top();
 200
 201         int new_x = qMin(max_x, qMax(screenGeometry.left(), m_windowReferencePoint->x() - delta_x));
 202         int new_y = qMin(max_y, qMax(screenGeometry.top(), m_windowReferencePoint->y() - delta_y));
 203
 204         if(new_x < magnetic)
 205         {
 206                 new_x = 0;
 207         }
 208         else if(max_x - new_x < magnetic)
 209         {
 210                 new_x = max_x;
 211         }
 212
 213         if(new_y < magnetic)
 214         {
 215                 new_y = 0;
 216         }
 217         else if(max_y - new_y < magnetic)
 218         {
 219                 new_y = max_y;
 220         }
 221
 222         move(new_x, new_y);
 223 }
 224
 225 void DropBox::showToolTip(void)
 226 {
 227         QToolTip::showText(ui->dropBoxLabel->mapToGlobal(ui->dropBoxLabel->pos()), ui->dropBoxLabel->toolTip());
 228 }
 229
 230 bool DropBox::event(QEvent *event)
 231 {
 232         switch(event->type())
 233         {
 234         case QEvent::Leave:
 235         case QEvent::WindowDeactivate:
 236                 if(m_moving)
 237                 {
 238                         QApplication::restoreOverrideCursor();
 239                         m_moving = false;
 240                 }
 241                 break;
 242         }
 243
 244         return QDialog::event(event);
 245 }