kget/droptarget.cpp

   1 /***************************************************************************
   2 *                                droptarget.cpp
   3 *                             -------------------
   4 *
   5 *    Revision     : $Id$
   6 *    begin        : Tue Jan 29 2002
   7 *    copyright    : (C) 2002 by Patrick Charbonnier
   8 *                 : Based On Caitoo v.0.7.3 (c) 1998 - 2000, Matej Koss
   9 *    email        : pch@freeshell.org
  10 *
  11 ****************************************************************************/
  12
  13 /***************************************************************************
  14  *
  15  *   This program is free software; you can redistribute it and/or modify
  16  *   it under the terms of the GNU General Public License as published by
  17  *   the Free Software Foundation; either version 2 of the License, or
  18  *   (at your option) any later version.
  19  *
  20  *   This program is distributed in the hope that it will be useful,
  21  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *   GNU General Public License for more details.
  24  *
  25  ***************************************************************************/
  26
  27 #include <qpainter.h>
  28
  29 #include <kaction.h>
  30 #include <kapplication.h>
  31 #include <kconfig.h>
  32 #include <kiconloader.h>
  33 #include <kglobalsettings.h>
  34 #include <kmainwindow.h>
  35 #include <kwin.h>
  36 #include <klocale.h>
  37 #include <kpopupmenu.h>
  38 #include <kurldrag.h>
  39
  40 #include "kmainwidget.h"
  41 #include <qcursor.h>
  42 #ifdef Q_WS_X11
  43 #include <X11/Xlib.h>
  44 #include <X11/Xutil.h>
  45 #include <X11/Xos.h>
  46 #include <X11/extensions/shape.h>
  47 #undef Bool
  48 #undef Status
  49 #endif
  50 #include "settings.h"
  51 #include "droptarget.h"
  52
  53 DropTarget::DropTarget(KMainWindow * mainWin):QWidget()
  54 {
  55     int x = ksettings.dropPosition.x();
  56     int y = ksettings.dropPosition.y();
  57
  58     QRect desk = KGlobalSettings::desktopGeometry(this);
  59     QPixmap bgnd = UserIcon( "target" );
  60
  61     if (x != -1 &&
  62         x >= desk.left() && y >= desk.top() &&
  63         (x + bgnd.width()) <= desk.right() &&
  64         (y + bgnd.height()) <= desk.bottom() )
  65     {
  66         move(ksettings.dropPosition);
  67         resize(bgnd.width(), bgnd.height());
  68         KWin::setState(winId(), ksettings.dropState);
  69     }
  70     else
  71     {
  72         setGeometry(desk.x()+200, desk.y()+200, bgnd.width(), bgnd.height());
  73         KWin::setState(winId(), NET::SkipTaskbar | NET::StaysOnTop);
  74     }
  75
  76     b_sticky = ksettings.dropState & NET::Sticky;
  77
  78     // setup pixmaps
  79
  80     if (!bgnd.mask())
  81         kdError(5001) << "Drop target pixmap has no mask!\n";
  82     else
  83         mask = *bgnd.mask();
  84
  85     setBackgroundPixmap( bgnd );
  86
  87     // popup menu for right mouse button
  88     popupMenu = new KPopupMenu();
  89     popupMenu->insertTitle(kapp->caption());
  90     popupMenu->setCheckable(true);
  91
  92     pop_Max = popupMenu->insertItem(i18n("Maximize"), this, SLOT(toggleMinimizeRestore()));
  93     pop_Min = popupMenu->insertItem(i18n("Minimize"), this, SLOT(toggleMinimizeRestore()));
  94
  95     pop_sticky = popupMenu->insertItem(i18n("Sticky"), this, SLOT(toggleSticky()));
  96     popupMenu->insertSeparator();
  97     mainWin->action("drop_target")->plug(popupMenu);
  98     popupMenu->insertSeparator();
  99
 100     popupMenu->setItemChecked(pop_sticky, b_sticky);
 101     kmain->m_paPreferences->plug(popupMenu);
 102     popupMenu->insertSeparator();
 103     kmain->m_paQuit->plug(popupMenu);
 104
 105     isdragging = false;
 106
 107     // Enable dropping
 108     setAcceptDrops(true);
 109 }
 110
 111
 112 DropTarget::~DropTarget()
 113 {
 114     delete popupMenu;
 115 }
 116
 117
 118 void
 119 DropTarget::mousePressEvent(QMouseEvent * e)
 120 {
 121     if (e->button() == LeftButton)
 122     {
 123         // toggleMinimizeRestore ();
 124 //        oldX = 0;
 125 //        oldY = 0;
 126         isdragging = true;
 127         dx = QCursor::pos().x() - pos().x();
 128         dy = QCursor::pos().y() - pos().y();
 129     }
 130     else if (e->button() == RightButton)
 131     {
 132         popupMenu->setItemEnabled(pop_Min, kmain->isVisible());
 133         popupMenu->setItemEnabled(pop_Max, kmain->isHidden());
 134
 135         popupMenu->popup(QCursor::pos());
 136     }
 137     else if (e->button() == MidButton)
 138     {
 139         kmain->slotPasteTransfer();
 140     }
 141 }
 142
 143
 144 void DropTarget::resizeEvent(QResizeEvent *)
 145 {
 146 #ifdef Q_WS_X11
 147     XShapeCombineMask(x11Display(), winId(), ShapeBounding, 0, 0, mask.handle(), ShapeSet);
 148 #endif
 149 }
 150
 151
 152 void DropTarget::dragEnterEvent(QDragEnterEvent * event)
 153 {
 154     event->accept(KURLDrag::canDecode(event)
 155                   || QTextDrag::canDecode(event));
 156 }
 157
 158
 159 void DropTarget::dropEvent(QDropEvent * event)
 160 {
 161     KURL::List list;
 162     QString str;
 163
 164     if (KURLDrag::decode(event, list))
 165     {
 166         kmain->addTransfers(list);
 167     }
 168     else if (QTextDrag::decode(event, str))
 169     {
 170         kmain->addTransfer(str);
 171     }
 172 }
 173
 174
 175 void DropTarget::toggleSticky()
 176 {
 177     b_sticky = !b_sticky;
 178     popupMenu->setItemChecked(pop_sticky, b_sticky);
 179     updateStickyState();
 180 }
 181
 182 void DropTarget::updateStickyState()
 183 {
 184     if (b_sticky)
 185     {
 186         KWin::setState(winId(), NET::SkipTaskbar | NET::StaysOnTop | NET::Sticky);
 187     }
 188     else
 189     {
 190         KWin::clearState(winId(), NET::Sticky);
 191     }
 192 }
 193
 194 void DropTarget::toggleMinimizeRestore()
 195 {
 196     if (kmain->isVisible())
 197         kmain->hide();
 198     else
 199         kmain->show();
 200 }
 201
 202 /** No descriptions */
 203 void DropTarget::mouseMoveEvent(QMouseEvent * e)
 204 {
 205 /*
 206     if (oldX == 0)
 207     {
 208         oldX = e->x();
 209         oldY = e->y();
 210         return;
 211     }
 212 +*/
 213     if (isdragging)
 214         move( QCursor::pos().x() - dx, QCursor::pos().y() - dy );
 215
 216 //    move(x() + (e->x() - oldX), y() + (e->y() - oldY));  // <<--
 217 }
 218
 219 void DropTarget::mouseReleaseEvent(QMouseEvent *)
 220 {
 221     isdragging = false;
 222 }
 223
 224 /** No descriptions */
 225 void DropTarget::mouseDoubleClickEvent(QMouseEvent * e)
 226 {
 227     if (e->button() == LeftButton)
 228         toggleMinimizeRestore();
 229 }
 230
 231 #include "droptarget.moc"