kig/modes/dragrectmode.cc

   1 // Copyright (C)  2002  Dominique Devriese <devriese@kde.org>
   2
   3 // This program is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU General Public License
   5 // as published by the Free Software Foundation; either version 2
   6 // of the License, or (at your option) any later version.
   7
   8 // This program is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 // GNU General Public License for more details.
  12
  13 // You should have received a copy of the GNU General Public License
  14 // along with this program; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  16 // 02111-1307, USA.
  17
  18 #include "dragrectmode.h"
  19
  20 #include "../kig/kig_document.h"
  21 #include "../kig/kig_part.h"
  22 #include "../kig/kig_view.h"
  23 #include "../misc/kigpainter.h"
  24
  25 #include <qevent.h>
  26 #include <qglobal.h>
  27 #include <kaction.h>
  28
  29 DragRectMode::DragRectMode( const QPoint& start, KigPart& d, KigWidget& w )
  30   : KigMode( d ), mstart( start ), mnc( true ), mstartselected( true ),
  31     mcancelled( false )
  32 {
  33   moved( start, w );
  34 }
  35
  36 DragRectMode::DragRectMode( KigPart& d, KigWidget& w )
  37   : KigMode( d ), mnc( true ), mstartselected( false ),
  38     mcancelled( false )
  39 {
  40   w.updateCurPix();
  41   w.updateWidget();
  42 }
  43
  44 void DragRectMode::moved( const QPoint& p, KigWidget& w )
  45 {
  46   // update the rect...
  47   w.updateCurPix();
  48   std::vector<QRect> overlay;
  49   if ( mstartselected )
  50   {
  51     KigPainter pt( w.screenInfo(), &w.curPix, mdoc.document() );
  52     pt.drawFilledRect( QRect( p,  mstart ) );
  53     overlay = pt.overlay();
  54   };
  55   w.updateWidget( overlay );
  56 }
  57
  58 void DragRectMode::released( const QPoint& p, KigWidget& w, bool nc )
  59 {
  60   if ( mstartselected )
  61   {
  62     mrect =  w.fromScreen( QRect( mstart, p ) );
  63     mret = mdoc.document().whatIsInHere( mrect, w );
  64     mnc = nc;
  65
  66     mdoc.doneMode( this );
  67   };
  68 }
  69
  70 void DragRectMode::enableActions()
  71 {
  72   KigMode::enableActions();
  73
  74   mdoc.aCancelConstruction->setEnabled( true );
  75 }
  76
  77 std::vector<ObjectHolder*> DragRectMode::ret() const
  78 {
  79   return mret;
  80 }
  81
  82 bool DragRectMode::needClear() const
  83 {
  84   return mnc;
  85 }
  86
  87 void DragRectMode::moved( QMouseEvent* e, KigWidget& w )
  88 {
  89   moved( e->pos(), w );
  90 }
  91
  92 void DragRectMode::released( QMouseEvent* e, KigWidget& w )
  93 {
  94   released( e->pos(), w, ! ( e->state() & ( ControlButton | ShiftButton ) ) );
  95 }
  96
  97 DragRectMode::~DragRectMode()
  98 {
  99 }
 100
 101 void DragRectMode::mouseMoved( QMouseEvent* e, KigWidget* w )
 102 {
 103   moved( e, *w );
 104 }
 105
 106 void DragRectMode::leftMouseMoved( QMouseEvent* e, KigWidget* w )
 107 {
 108   moved( e, *w );
 109 }
 110
 111 void DragRectMode::midMouseMoved( QMouseEvent* e, KigWidget* w )
 112 {
 113   moved( e, *w );
 114 }
 115
 116 void DragRectMode::rightMouseMoved( QMouseEvent* e, KigWidget* w )
 117 {
 118   moved( e, *w );
 119 }
 120
 121 void DragRectMode::leftReleased( QMouseEvent* e, KigWidget* w )
 122 {
 123   released( e, *w );
 124 }
 125
 126 void DragRectMode::midReleased( QMouseEvent* e, KigWidget* w )
 127 {
 128   released( e, *w );
 129 }
 130
 131 void DragRectMode::rightReleased( QMouseEvent* e, KigWidget* w )
 132 {
 133   released( e, *w );
 134 }
 135
 136 Rect DragRectMode::rect() const
 137 {
 138   return mrect;
 139 }
 140
 141 void DragRectMode::clicked( const QMouseEvent* e, KigWidget& w )
 142 {
 143   clicked( e->pos(), w );
 144 }
 145
 146 void DragRectMode::leftClicked( QMouseEvent* e, KigWidget* w )
 147 {
 148   clicked( e, *w );
 149 }
 150
 151 void DragRectMode::midClicked( QMouseEvent* e, KigWidget* w )
 152 {
 153   clicked( e, *w );
 154 }
 155
 156 void DragRectMode::rightClicked( QMouseEvent* e, KigWidget* w )
 157 {
 158   clicked( e, *w );
 159 }
 160
 161 void DragRectMode::clicked( const QPoint& p, KigWidget& )
 162 {
 163   if ( !mstartselected )
 164   {
 165     mstartselected = true;
 166     mstart = p;
 167   };
 168 }
 169
 170 bool DragRectMode::cancelled() const
 171 {
 172   return mcancelled;
 173 }
 174
 175 void DragRectMode::cancelConstruction()
 176 {
 177   mcancelled = true;
 178   mdoc.doneMode( this );
 179 }
 180