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00020 #include <koFrame.h>
00021 #include <koView.h>
00022
00023 #include <qpainter.h>
00024 #include <kparts/event.h>
00025 #include <kcursor.h>
00026 #include <kdebug.h>
00027
00028 #define QMAX32767(a,b) QMAX(QMAX(32767,a),b)
00029
00030 class KoFramePrivate
00031 {
00032 public:
00033 KoFramePrivate()
00034 {
00035 }
00036 ~KoFramePrivate()
00037 {
00038 }
00039
00040 KoView *m_view;
00041
00042 QPoint m_mousePressPos;
00043 QPoint m_framePos;
00044 int m_width;
00045 int m_height;
00046 int m_mode;
00047
00048 KoFrame::State m_state;
00049 };
00050
00051 KoFrame::KoFrame( QWidget *parent, const char *name )
00052 : QWidget( parent, name )
00053 {
00054 d = new KoFramePrivate;
00055 d->m_state = Inactive;
00056 d->m_mode = -1;
00057 d->m_view = 0;
00058
00059 setBackgroundColor( white );
00060 setMouseTracking( true );
00061 }
00062
00063 KoFrame::~KoFrame()
00064 {
00065 delete d;
00066 }
00067
00068 void KoFrame::setView( KoView *view )
00069 {
00070 if ( view == d->m_view )
00071 return;
00072
00073 if ( d->m_view )
00074 d->m_view->removeEventFilter( this );
00075
00076 d->m_view = view;
00077 if ( d->m_view )
00078 {
00079 d->m_view->installEventFilter( this );
00080
00081
00082
00083
00084
00085 setMaximumSize( QMAX32767( d->m_view->maximumWidth() + 2 * border(), d->m_view->maximumWidth() ),
00086 QMAX32767( d->m_view->maximumHeight() + 2 * border(), d->m_view->maximumHeight() ) );
00087 setMinimumSize( d->m_view->minimumWidth() + leftBorder() + rightBorder(),
00088 d->m_view->minimumHeight() + topBorder() + bottomBorder() );
00089
00090 }
00091
00092 resizeEvent( 0L );
00093 }
00094
00095 KoView *KoFrame::view() const
00096 {
00097 return d->m_view;
00098 }
00099
00100 void KoFrame::setState( State s )
00101 {
00102 if ( d->m_state == s )
00103 return;
00104
00105 State old = d->m_state;
00106 d->m_state = s;
00107
00108 if ( d->m_view )
00109 {
00110
00111
00112
00113
00114
00115
00116 setMaximumSize( QMAX32767( d->m_view->maximumWidth() + 2 * border(), d->m_view->maximumWidth() ),
00117 QMAX32767( d->m_view->maximumHeight() + 2 * border(), d->m_view->maximumHeight() ) );
00118 setMinimumSize( d->m_view->minimumWidth() + leftBorder() + rightBorder(),
00119 d->m_view->minimumHeight() + topBorder() + bottomBorder() );
00120 }
00121
00122 if ( d->m_state == Inactive )
00123 {
00124 d->m_state = old;
00125 int l = leftBorder();
00126 int r = rightBorder();
00127 int t = topBorder();
00128 int b = bottomBorder();
00129 d->m_state = Inactive;
00130 setGeometry( x() + l, y() + t, width() - l - r, height() - t - b );
00131 }
00132 else if ( ( d->m_state == Active || d->m_state == Selected ) && old == Inactive )
00133 setGeometry( x() - leftBorder(), y() - topBorder(),
00134 width() + leftBorder() + rightBorder(),
00135 height() + topBorder() + bottomBorder() );
00136 else if ( d->m_state == Active && old == Selected )
00137 {
00138 setGeometry( x() - leftBorder() + border(), y() - topBorder() + border(),
00139 width() + leftBorder() + rightBorder() - 2 * border(),
00140 height() + topBorder() + bottomBorder() - 2 * border() );
00141 }
00142
00143 update();
00144 }
00145
00146 KoFrame::State KoFrame::state() const
00147 {
00148 return d->m_state;
00149 }
00150
00151 int KoFrame::leftBorder() const
00152 {
00153 if ( d->m_state == Inactive )
00154 return 0;
00155 if ( d->m_state == Selected || !d->m_view )
00156 return border();
00157
00158 return d->m_view->leftBorder() + border();
00159 }
00160
00161 int KoFrame::rightBorder() const
00162 {
00163 if ( d->m_state == Inactive )
00164 return 0;
00165 if ( d->m_state == Selected || !d->m_view )
00166 return border();
00167
00168 return d->m_view->rightBorder() + border();
00169 }
00170
00171 int KoFrame::topBorder() const
00172 {
00173 if ( d->m_state == Inactive )
00174 return 0;
00175 if ( d->m_state == Selected || !d->m_view )
00176 return border();
00177
00178 return d->m_view->topBorder() + border();
00179 }
00180
00181 int KoFrame::bottomBorder() const
00182 {
00183 if ( d->m_state == Inactive )
00184 return 0;
00185 if ( d->m_state == Selected || !d->m_view )
00186 return border();
00187
00188 return d->m_view->bottomBorder() + border();
00189 }
00190
00191 int KoFrame::border() const
00192 {
00193 if ( d->m_state == Inactive )
00194 return 0;
00195 return 5;
00196 }
00197
00198 void KoFrame::paintEvent( QPaintEvent* )
00199 {
00200 QPainter painter;
00201 painter.begin( this );
00202
00203 painter.setPen( black );
00204 painter.fillRect( 0, 0, width(), height(), BDiagPattern );
00205
00206 if ( d->m_state == Selected )
00207 {
00208 painter.fillRect( 0, 0, 5, 5, black );
00209 painter.fillRect( 0, height() - 5, 5, 5, black );
00210 painter.fillRect( width() - 5, height() - 5, 5, 5, black );
00211 painter.fillRect( width() - 5, 0, 5, 5, black );
00212 painter.fillRect( width() / 2 - 3, 0, 5, 5, black );
00213 painter.fillRect( width() / 2 - 3, height() - 5, 5, 5, black );
00214 painter.fillRect( 0, height() / 2 - 3, 5, 5, black );
00215 painter.fillRect( width() - 5, height() / 2 - 3, 5, 5, black );
00216 }
00217
00218 painter.end();
00219 }
00220
00221 void KoFrame::mousePressEvent( QMouseEvent* ev )
00222 {
00223 QRect r1( 0, 0, 5, 5 );
00224 QRect r2( 0, height() - 5, 5, 5 );
00225 QRect r3( width() - 5, height() - 5, 5, 5 );
00226 QRect r4( width() - 5, 0, 5, 5 );
00227 QRect r5( width() / 2 - 3, 0, 5, 5 );
00228 QRect r6( width() / 2 - 3, height() - 5, 5, 5 );
00229 QRect r7( 0, height() / 2 - 3, 5, 5 );
00230 QRect r8( width()- 5, height() / 2 - 3, 5, 5 );
00231
00232 if ( r1.contains( ev->pos() ) )
00233 d->m_mode = 1;
00234 else if ( r2.contains( ev->pos() ) )
00235 d->m_mode = 2;
00236 else if ( r3.contains( ev->pos() ) )
00237 d->m_mode = 3;
00238 else if ( r4.contains( ev->pos() ) )
00239 d->m_mode = 4;
00240 else if ( r5.contains( ev->pos() ) )
00241 d->m_mode = 5;
00242 else if ( r6.contains( ev->pos() ) )
00243 d->m_mode = 6;
00244 else if ( r7.contains( ev->pos() ) )
00245 d->m_mode = 7;
00246 else if ( r8.contains( ev->pos() ) )
00247 d->m_mode = 8;
00248 else
00249 d->m_mode = 0;
00250
00251
00252
00253
00254 kdDebug(30003) << "---- MODE=" << d->m_mode << endl;
00255
00256 d->m_mousePressPos = mapToParent( ev->pos() );
00257 d->m_framePos = mapToParent( QPoint( 0, 0 ) );
00258 d->m_width = width();
00259 d->m_height = height();
00260 }
00261
00262 void KoFrame::mouseMoveEvent( QMouseEvent* ev )
00263 {
00264 if ( d->m_mode == 0 )
00265 {
00266 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00267 move( QPoint( p.x() + d->m_framePos.x() - d->m_mousePressPos.x(),
00268 p.y() + d->m_framePos.y() - d->m_mousePressPos.y() ) );
00269
00270
00271 emit geometryChanged();
00272
00273 }
00274 else if ( d->m_mode == 1 )
00275 {
00276 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00277 int w = QMIN( QMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
00278 int h = QMIN( QMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
00279 setGeometry( d->m_framePos.x() - w + d->m_width,
00280 d->m_framePos.y() - h + d->m_height, w, h );
00281 }
00282 else if ( d->m_mode == 2 )
00283 {
00284 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00285 int w = QMIN( QMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
00286 int h = QMIN( QMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
00287 setGeometry( d->m_framePos.x() - w + d->m_width,
00288 d->m_framePos.y(), w, h );
00289 }
00290 else if ( d->m_mode == 3 )
00291 {
00292 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00293 int w = QMIN( QMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
00294 int h = QMIN( QMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
00295 resize( w, h );
00296 }
00297 else if ( d->m_mode == 4 )
00298 {
00299 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00300 int w = QMIN( QMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
00301 int h = QMIN( QMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
00302 setGeometry( d->m_framePos.x(),
00303 d->m_framePos.y() - h + d->m_height, w, h );
00304 }
00305 else if ( d->m_mode == 5 )
00306 {
00307 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00308 int h = QMIN( QMAX( d->m_height + d->m_mousePressPos.y() - p.y(), minimumHeight() ), maximumHeight() );
00309 setGeometry( d->m_framePos.x(),
00310 d->m_framePos.y() - h + d->m_height, d->m_width, h );
00311 }
00312 else if ( d->m_mode == 6 )
00313 {
00314 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00315 int h = QMIN( QMAX( d->m_height - d->m_mousePressPos.y() + p.y(), minimumHeight() ), maximumHeight() );
00316 resize( d->m_width, h );
00317 }
00318 else if ( d->m_mode == 7 )
00319 {
00320 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00321 int w = QMIN( QMAX( d->m_width + d->m_mousePressPos.x() - p.x(), minimumWidth() ), maximumWidth() );
00322 setGeometry( d->m_framePos.x() - w + d->m_width,
00323 d->m_framePos.y(), w, d->m_height );
00324 }
00325 else if ( d->m_mode == 8 )
00326 {
00327 QPoint p = parentWidget()->mapFromGlobal( ev->globalPos() );
00328 int w = QMIN( QMAX( d->m_width - d->m_mousePressPos.x() + p.x(), minimumWidth() ), maximumWidth() );
00329 resize( w, d->m_height );
00330 }
00331 else if ( d->m_state == Selected || d->m_state == Active )
00332 {
00333 QRect r1( 0, 0, 5, 5 );
00334 QRect r2( 0, height() - 5, 5, 5 );
00335 QRect r3( width() - 5, height() - 5, 5, 5 );
00336 QRect r4( width() - 5, 0, 5, 5 );
00337 QRect r5( width() / 2 - 3, 0, 5, 5 );
00338 QRect r6( width() / 2 - 3, height() - 5, 5, 5 );
00339 QRect r7( 0, height() / 2 - 3, 5, 5 );
00340 QRect r8( width()- 5, height() / 2 - 3, 5, 5 );
00341
00342 if ( r1.contains( ev->pos() ) || r3.contains( ev->pos() ) )
00343 setCursor( sizeFDiagCursor );
00344 else if ( r2.contains( ev->pos() ) || r4.contains( ev->pos() ) )
00345 setCursor( sizeBDiagCursor );
00346 else if ( r5.contains( ev->pos() ) || r6.contains( ev->pos() ) )
00347 setCursor( sizeVerCursor );
00348 else if ( r7.contains( ev->pos() ) || r8.contains( ev->pos() ) )
00349 setCursor( sizeHorCursor );
00350 else
00351 setCursor( KCursor::handCursor() );
00352 }
00353 else
00354 setCursor( KCursor::handCursor() );
00355 }
00356
00357 void KoFrame::mouseReleaseEvent( QMouseEvent* )
00358 {
00359 d->m_mode = -1;
00360 }
00361
00362 void KoFrame::resizeEvent( QResizeEvent* )
00363 {
00364 if ( !d->m_view )
00365 return;
00366
00367 if ( d->m_state == Active || d->m_state == Selected )
00368 d->m_view->setGeometry( 5, 5, width() - 10, height() - 10 );
00369 else
00370 d->m_view->setGeometry( 0, 0, width(), height() );
00371
00372 emit geometryChanged();
00373 }
00374
00375 bool KoFrame::eventFilter( QObject* obj, QEvent* ev )
00376 {
00377 if ( obj == d->m_view && KParts::PartActivateEvent::test( ev ) )
00378 {
00379 kdDebug(30003) << "Activate event"<< endl;
00380 KParts::PartActivateEvent* e = (KParts::PartActivateEvent*)ev;
00381 if ( e->part() == (KParts::Part *)d->m_view->koDocument() )
00382 {
00383 if ( e->activated() )
00384 setState( Active );
00385 else
00386 setState( Inactive );
00387 }
00388 }
00389 else if ( obj == d->m_view && KParts::PartSelectEvent::test( ev ) )
00390 {
00391 kdDebug(30003) << "Selected event" << endl;
00392 KParts::PartSelectEvent* e = (KParts::PartSelectEvent*)ev;
00393 if ( e->part() == (KParts::Part *)d->m_view->koDocument() )
00394 {
00395 if ( e->selected() )
00396 setState( Selected );
00397 else
00398 setState( Inactive );
00399 }
00400 }
00401
00402 return false;
00403 }
00404
00405 #include <koFrame.moc>