DockWidget/dockmovemanager.cpp

   1 /*
   2     Modify from KTolBoxManager
   3     novaprint@mtu-net.ru
   4     Judin Max
   5 **********************************/
   6
   7 /*
   8     This file is part of the KDE libraries
   9     Copyright (C) 1998 Sven Radej (radej@kde.org)
  10
  11     This library is free software; you can redistribute it and/or
  12     modify it under the terms of the GNU Library General Public
  13     License as published by the Free Software Foundation; either
  14     version 2 of the License, or (at your option) any later version.
  15
  16     This library is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     Library General Public License for more details.
  20
  21     You should have received a copy of the GNU Library General Public License
  22     along with this library; see the file COPYING.LIB.  If not, write to
  23     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  24     Boston, MA 02111-1307, USA.
  25 */
  26
  27 #include <qcursor.h>
  28 #include <qapplication.h>
  29 #include <qwindowdefs.h>
  30 #include <qwidget.h>
  31 #include <qtimer.h>
  32 #include <qrect.h>
  33
  34 #include "dockmovemanager.h"
  35
  36 DockMoveManager::DockMoveManager(QWidget *_widget) : QObject ()
  37 {
  38   XGCValues gv;
  39
  40   working=false;
  41   noLast=true;
  42   widget = _widget;
  43
  44   scr = qt_xscreen();
  45   root = qt_xrootwin();
  46
  47   gv.function = GXxor;
  48   gv.line_width = 0;
  49   gv.foreground = WhitePixel(qt_xdisplay(), scr)^BlackPixel(qt_xdisplay(), scr);
  50   gv.subwindow_mode = IncludeInferiors;
  51   long mask = GCForeground | GCFunction | GCLineWidth | GCSubwindowMode;
  52   rootgc = XCreateGC(qt_xdisplay(), qt_xrootwin(), mask, &gv);
  53
  54   timer = new QTimer(this);
  55 }
  56
  57 DockMoveManager::~DockMoveManager()
  58 {
  59   stop();
  60 }
  61
  62 void DockMoveManager::doMove (bool hot_static, bool _dynamic, bool dontmove)
  63 {
  64   if (working) return;
  65
  66   Window wroot, wchild;
  67   int trash;
  68
  69   working=true;
  70
  71   QRect rr = QRect( widget->mapToGlobal(QPoint(0,0)), widget->size() );
  72   QPoint p(rr.topLeft());
  73
  74   offX = QCursor::pos().x() - p.x();
  75   offY = QCursor::pos().y() - p.y();
  76
  77   xp = p.x();
  78   yp = p.y();
  79   w = rr.width();
  80   h = rr.height();
  81
  82   orig_x = p.x();
  83   orig_y = p.y();
  84   orig_w = w;
  85   orig_h = h;
  86
  87   XQueryPointer( qt_xdisplay(), qt_xrootwin(), &wroot, &wchild,
  88                  &sx, &sy, &trash, &trash, &active_button);
  89
  90   rx = sx;
  91   ry = sy;
  92
  93   xp=sx-offX;
  94   yp=sy-offY;
  95
  96   QApplication::setOverrideCursor(QCursor(sizeAllCursor));
  97   connect (timer, SIGNAL(timeout()), this, SLOT (doMoveInternal()));
  98
  99   drawRectangle(xp, yp, w, h);
 100
 101   pauseMove = false;
 102   timer->start(0);
 103 }
 104
 105 void DockMoveManager::doMoveInternal()
 106 {
 107   if ( pauseMove ) return;
 108
 109   Window wroot, wchild;
 110   int trash;
 111   unsigned int buttons;
 112
 113   XQueryPointer( qt_xdisplay(), qt_xrootwin(), &wroot, &wchild,
 114                  &rx, &ry, &trash, &trash, &buttons );
 115
 116   if (buttons != active_button)
 117   {
 118     stop();
 119     return;
 120   }
 121
 122   if (rx == sx && ry == sy) return;
 123
 124   sx=rx;
 125   sy=ry;
 126
 127   xp=rx-offX;
 128   yp=ry-offY;
 129
 130   deleteLastRectangle();
 131   drawRectangle(xp, yp, w, h);
 132
 133   XFlush(qt_xdisplay());
 134   XSync(qt_xdisplay(), False);
 135 }
 136
 137 void DockMoveManager::stop ()
 138 {
 139   if (!working) return;
 140
 141   timer->stop();
 142   disconnect (timer, SIGNAL(timeout()));
 143   QApplication::restoreOverrideCursor();
 144
 145   deleteLastRectangle();
 146   XFlush(qt_xdisplay());
 147   QApplication::restoreOverrideCursor();
 148
 149   QPoint p(xp, yp);
 150   if (widget->parent() != 0) p=widget->parentWidget()->mapFromGlobal(p);
 151
 152   working = false;
 153 }
 154
 155 void DockMoveManager::setGeometry (int _x, int _y, int _w, int _h)
 156 {
 157   if (!working) return;
 158   xp=_x;
 159   yp=_y;
 160   w=_w;
 161   h=_h;
 162   deleteLastRectangle();
 163   drawRectangle( _x, _y, _w, _h);
 164 }
 165
 166 void DockMoveManager::drawRectangle(int _x, int _y, int _w, int _h)
 167 {
 168   ox = _x;
 169   oy = _y;
 170   ow = _w;
 171   oh = _h;
 172
 173   XDrawRectangle(qt_xdisplay(), root, rootgc, _x, _y, _w, _h);
 174   if (_w > 2)
 175     _w -= 2;
 176   if (_h > 2)
 177     _h -= 2;
 178   XDrawRectangle(qt_xdisplay(), root, rootgc, _x+1, _y+1, _w, _h);
 179   if (_w > 2)
 180     _w -= 2;
 181   if (_h > 2)
 182     _h -= 2;
 183   XDrawRectangle(qt_xdisplay(), root, rootgc, _x+2, _y+2, _w, _h);
 184
 185   noLast = false;
 186 }
 187
 188 void DockMoveManager::deleteLastRectangle()
 189 {
 190   if (noLast) return;
 191
 192   XDrawRectangle(qt_xdisplay(), root, rootgc, ox, oy, ow, oh);
 193   if (ow > 2)
 194     ow -= 2;
 195   if (oh > 2)
 196     oh -= 2;
 197   XDrawRectangle(qt_xdisplay(), root, rootgc, ox+1, oy+1, ow, oh);
 198   if (ow > 2)
 199     ow -= 2;
 200   if (oh > 2)
 201     oh -= 2;
 202   XDrawRectangle(qt_xdisplay(), root, rootgc, ox+2, oy+2, ow, oh);
 203
 204   noLast = true;
 205 }
 206