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Diffstat (limited to 'tdevdesigner/designer/layout.cpp')
| -rw-r--r-- | tdevdesigner/designer/layout.cpp | 1017 |
1 files changed, 0 insertions, 1017 deletions
diff --git a/tdevdesigner/designer/layout.cpp b/tdevdesigner/designer/layout.cpp deleted file mode 100644 index b8fb737c..00000000 --- a/tdevdesigner/designer/layout.cpp +++ /dev/null @@ -1,1017 +0,0 @@ -/********************************************************************** -** Copyright (C) 2000 Trolltech AS. All rights reserved. -** -** This file is part of TQt Designer. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition -** licenses may use this file in accordance with the TQt Commercial License -** Agreement provided with the Software. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** See http://www.trolltech.com/gpl/ for GPL licensing information. -** See http://www.trolltech.com/pricing.html or email [email protected] for -** information about TQt Commercial License Agreements. -** -** Contact [email protected] if any conditions of this licensing are -** not clear to you. -** -**********************************************************************/ - -#include "formwindow.h" -#include "tqlayout.h" -#include <widgetdatabase.h> -#include "widgetfactory.h" - -#include <tqlayout.h> -#include <tqevent.h> -#include <tqpainter.h> -#include <tqpen.h> -#include <tqbitmap.h> -#include <tqsplitter.h> -#include <tqvaluevector.h> -#include <tqmainwindow.h> - -bool operator<( const TQGuardedPtr<TQWidget> &p1, const TQGuardedPtr<TQWidget> &p2 ) -{ - return p1.operator->() < p2.operator->(); -} - -/*! - \class Layout tqlayout.h - \brief Baseclass for layouting widgets in the Designer - - Classes derived from this abstract base class are used for layouting - operations in the Designer. - -*/ - -/*! \a p specifies the parent of the layoutBase \a lb. The parent - might be changed in setup(). If the layoutBase is a - container, the parent and the layoutBase are the same. Also they - always have to be a widget known to the designer (e.g. in the case - of the tabwidget parent and layoutBase are the tabwidget and not the - page which actually gets laid out. For actual usage the correct - widget is found later by Layout.) - */ - -Layout::Layout( const TQWidgetList &wl, TQWidget *p, FormWindow *fw, TQWidget *lb, bool doSetup, bool splitter ) - : widgets( wl ), parent( p ), formWindow( fw ), isBreak( !doSetup ), useSplitter( splitter ) -{ - widgets.setAutoDelete( FALSE ); - layoutBase = lb; - if ( !doSetup && layoutBase ) - oldGeometry = layoutBase->geometry(); -} - -/*! The widget list we got in the constructor might contain too much - widgets (like widgets with different parents, already laid out - widgets, etc.). Here we set up the list and so the only the "best" - widgets get laid out. -*/ - -void Layout::setup() -{ - startPoint = TQPoint( 32767, 32767 ); - TQValueList<TQWidgetList> lists; - TQWidget *lastParent = 0; - TQWidgetList *lastList = 0; - TQWidget *w = 0; - - // Go through all widgets of the list we got. As we can only - // layout widgets which have the same parent, we first do some - // sorting which means create a list for each parent containing - // its child here. After that we keep working on the list of - // childs which has the most entries. - // Widgets which are already laid out are thrown away here too - for ( w = widgets.first(); w; w = widgets.next() ) { - if ( w->parentWidget() && WidgetFactory::layoutType( w->parentWidget() ) != WidgetFactory::NoLayout ) - continue; - if ( lastParent != w->parentWidget() ) { - lastList = 0; - lastParent = w->parentWidget(); - TQValueList<TQWidgetList>::Iterator it = lists.begin(); - for ( ; it != lists.end(); ++it ) { - if ( ( *it ).first()->parentWidget() == w->parentWidget() ) - lastList = &( *it ); - } - if ( !lastList ) { - TQWidgetList l; - l.setAutoDelete( FALSE ); - lists.append( l ); - lastList = &lists.last(); - } - } - lastList->append( w ); - } - - // So, now find the list with the most entries - lastList = 0; - TQValueList<TQWidgetList>::Iterator it = lists.begin(); - for ( ; it != lists.end(); ++it ) { - if ( !lastList || ( *it ).count() > lastList->count() ) - lastList = &( *it ); - } - - // If we found no list (because no widget did fit at all) or the - // best list has only one entry and we do not layout a container, - // we leave here. - if ( !lastList || ( lastList->count() < 2 && - ( !layoutBase || - ( !WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( TQT_TQOBJECT(layoutBase) ) ) ) && - layoutBase != formWindow->mainContainer() ) ) - ) ) { - widgets.clear(); - startPoint = TQPoint( 0, 0 ); - return; - } - - // Now we have a new and clean widget list, which makes sense - // to layout - widgets = *lastList; - // Also use the only correct parent later, so store it - parent = WidgetFactory::widgetOfContainer( widgets.first()->parentWidget() ); - // Now calculate the position where the layout-meta-widget should - // be placed and connect to widgetDestroyed() signals of the - // widgets to get informed if one gets deleted to be able to - // handle that and do not crash in this case - for ( w = widgets.first(); w; w = widgets.next() ) { - connect( w, TQT_SIGNAL( destroyed() ), - this, TQT_SLOT( widgetDestroyed() ) ); - startPoint = TQPoint( TQMIN( startPoint.x(), w->x() ), - TQMIN( startPoint.y(), w->y() ) ); - geometries.insert( w, TQRect( w->pos(), w->size() ) ); - // Change the Z-order, as saving/loading uses the Z-order for - // writing/creating widgets and this has to be the same as in - // the layout. Else saving + loading will give different results - w->raise(); - } -} - -void Layout::widgetDestroyed() -{ - if ( sender() && sender()->isWidgetType() ) - widgets.removeRef( (TQWidget*)sender() ); -} - -bool Layout::prepareLayout( bool &needMove, bool &needReparent ) -{ - if ( !widgets.count() ) - return FALSE; - for ( TQWidget *w = widgets.first(); w; w = widgets.next() ) - w->raise(); - needMove = !layoutBase; - needReparent = needMove || ::tqqt_cast<TQLayoutWidget*>(layoutBase) || ::tqqt_cast<TQSplitter*>(layoutBase); - if ( !layoutBase ) { - if ( !useSplitter ) - layoutBase = WidgetFactory::create( WidgetDatabase::idFromClassName( TQLAYOUTWIDGET_OBJECT_NAME_STRING ), - WidgetFactory::containerOfWidget( parent ) ); - else - layoutBase = WidgetFactory::create( WidgetDatabase::idFromClassName( TQSPLITTER_OBJECT_NAME_STRING ), - WidgetFactory::containerOfWidget( parent ) ); - } else { - WidgetFactory::deleteLayout( layoutBase ); - } - - return TRUE; -} - -void Layout::finishLayout( bool needMove, TQLayout *layout ) -{ - if ( needMove ) - layoutBase->move( startPoint ); - TQRect g( TQRect( layoutBase->pos(), layoutBase->size() ) ); - if ( WidgetFactory::layoutType( layoutBase->parentWidget() ) == WidgetFactory::NoLayout && !isBreak ) - layoutBase->adjustSize(); - else if ( isBreak ) - layoutBase->setGeometry( oldGeometry ); - oldGeometry = g; - layoutBase->show(); - layout->activate(); - formWindow->insertWidget( layoutBase ); - formWindow->selectWidget( TQT_TQOBJECT(layoutBase) ); - TQString n = layoutBase->name(); - if ( n.find( "qt_dead_widget_" ) != -1 ) { - n.remove( 0, TQString( "qt_dead_widget_" ).length() ); - layoutBase->setName( n ); - } -} - -void Layout::undoLayout() -{ - if ( !widgets.count() ) - return; - TQMap<TQGuardedPtr<TQWidget>, TQRect>::Iterator it = geometries.begin(); - for ( ; it != geometries.end(); ++it ) { - if ( !it.key() ) - continue; - it.key()->reparent( WidgetFactory::containerOfWidget( parent ), 0, ( *it ).topLeft(), it.key()->isVisibleTo( formWindow ) ); - it.key()->resize( ( *it ).size() ); - } - formWindow->selectWidget( TQT_TQOBJECT(layoutBase), FALSE ); - WidgetFactory::deleteLayout( layoutBase ); - if ( parent != layoutBase && !::tqqt_cast<TQMainWindow*>(layoutBase) ) { - layoutBase->hide(); - TQString n = layoutBase->name(); - n.prepend( "qt_dead_widget_" ); - layoutBase->setName( n ); - } else { - layoutBase->setGeometry( oldGeometry ); - } - if ( widgets.first() ) - formWindow->selectWidget( TQT_TQOBJECT(widgets.first()) ); - else - formWindow->selectWidget( TQT_TQOBJECT(formWindow) ); -} - -void Layout::breakLayout() -{ - TQMap<TQWidget*, TQRect> rects; - if ( !widgets.isEmpty() ) { - TQWidget *w; - for ( w = widgets.first(); w; w = widgets.next() ) - rects.insert( w, w->geometry() ); - } - WidgetFactory::deleteLayout( layoutBase ); - bool needReparent = qstrcmp( layoutBase->className(), TQLAYOUTWIDGET_OBJECT_NAME_STRING ) == 0 || - qstrcmp( layoutBase->className(), TQSPLITTER_OBJECT_NAME_STRING ) == 0 || - ( !WidgetDatabase::isContainer( WidgetDatabase::idFromClassName( WidgetFactory::classNameOf( TQT_TQOBJECT(layoutBase) ) ) ) && - layoutBase != formWindow->mainContainer() ); - bool needResize = qstrcmp( layoutBase->className(), TQSPLITTER_OBJECT_NAME_STRING ) == 0; - bool add = geometries.isEmpty(); - for ( TQWidget *w = widgets.first(); w; w = widgets.next() ) { - if ( needReparent ) - w->reparent( layoutBase->parentWidget(), 0, - layoutBase->pos() + w->pos(), TRUE ); - if ( needResize ) { - TQMap<TQWidget*, TQRect>::Iterator it = rects.find( w ); - if ( it != rects.end() ) - w->setGeometry( TQRect( layoutBase->pos() + (*it).topLeft(), (*it).size() ) ); - } - if ( add ) - geometries.insert( w, TQRect( w->pos(), w->size() ) ); - } - if ( needReparent ) { - layoutBase->hide(); - parent = layoutBase->parentWidget(); - TQString n = layoutBase->name(); - n.prepend( "qt_dead_widget_" ); - layoutBase->setName( n ); - } else { - parent = layoutBase; - } - if ( widgets.first() && widgets.first()->isVisibleTo( formWindow ) ) - formWindow->selectWidget( TQT_TQOBJECT(widgets.first()) ); - else - formWindow->selectWidget( TQT_TQOBJECT(formWindow) ); -} - -class HorizontalLayoutList : public TQWidgetList -{ -public: - HorizontalLayoutList( const TQWidgetList &l ) - : TQWidgetList( l ) {} - - int compareItems( TQPtrCollection::Item item1, TQPtrCollection::Item item2 ) { - TQWidget *w1 = (TQWidget*)item1; - TQWidget *w2 = (TQWidget*)item2; - if ( w1->x() == w2->x() ) - return 0; - if ( w1->x() > w2->x() ) - return 1; - return -1; - } - -}; - -HorizontalLayout::HorizontalLayout( const TQWidgetList &wl, TQWidget *p, FormWindow *fw, TQWidget *lb, bool doSetup, bool splitter ) - : Layout( wl, p, fw, lb, doSetup, splitter ) -{ - if ( doSetup ) - setup(); -} - -void HorizontalLayout::setup() -{ - HorizontalLayoutList l( widgets ); - l.sort(); - widgets = l; - Layout::setup(); -} - -void HorizontalLayout::doLayout() -{ - bool needMove, needReparent; - if ( !prepareLayout( needMove, needReparent ) ) - return; - - TQHBoxLayout *layout = (TQHBoxLayout*)WidgetFactory::createLayout( layoutBase, 0, WidgetFactory::HBox ); - - for ( TQWidget *w = widgets.first(); w; w = widgets.next() ) { - if ( needReparent && TQT_BASE_OBJECT(w->parent()) != TQT_BASE_OBJECT(layoutBase) ) - w->reparent( layoutBase, 0, TQPoint( 0, 0 ), FALSE ); - if ( !useSplitter ) { - if ( qstrcmp( w->className(), "Spacer" ) == 0 ) - layout->addWidget( w, 0, ( (Spacer*)w )->alignment() ); - else - layout->addWidget( w ); - if ( ::tqqt_cast<TQLayoutWidget*>(w) ) - ( (TQLayoutWidget*)w )->updateSizePolicy(); - } - w->show(); - } - - if ( ::tqqt_cast<TQSplitter*>(layoutBase) ) - ( (TQSplitter*)layoutBase )->setOrientation( Qt::Horizontal ); - - finishLayout( needMove, layout ); -} - - - - -class VerticalLayoutList : public TQWidgetList -{ -public: - VerticalLayoutList( const TQWidgetList &l ) - : TQWidgetList( l ) {} - - int compareItems( TQPtrCollection::Item item1, TQPtrCollection::Item item2 ) { - TQWidget *w1 = (TQWidget*)item1; - TQWidget *w2 = (TQWidget*)item2; - if ( w1->y() == w2->y() ) - return 0; - if ( w1->y() > w2->y() ) - return 1; - return -1; - } - -}; - -VerticalLayout::VerticalLayout( const TQWidgetList &wl, TQWidget *p, FormWindow *fw, TQWidget *lb, bool doSetup, bool splitter ) - : Layout( wl, p, fw, lb, doSetup, splitter ) -{ - if ( doSetup ) - setup(); -} - -void VerticalLayout::setup() -{ - VerticalLayoutList l( widgets ); - l.sort(); - widgets = l; - Layout::setup(); -} - -void VerticalLayout::doLayout() -{ - bool needMove, needReparent; - if ( !prepareLayout( needMove, needReparent ) ) - return; - - TQVBoxLayout *layout = (TQVBoxLayout*)WidgetFactory::createLayout( layoutBase, 0, WidgetFactory::VBox ); - - for ( TQWidget *w = widgets.first(); w; w = widgets.next() ) { - if ( needReparent && TQT_BASE_OBJECT(w->parent()) != TQT_BASE_OBJECT(layoutBase) ) - w->reparent( layoutBase, 0, TQPoint( 0, 0 ), FALSE ); - if ( !useSplitter ) { - if ( qstrcmp( w->className(), "Spacer" ) == 0 ) - layout->addWidget( w, 0, ( (Spacer*)w )->alignment() ); - else - layout->addWidget( w ); - if ( ::tqqt_cast<TQLayoutWidget*>(w) ) - ( (TQLayoutWidget*)w )->updateSizePolicy(); - } - w->show(); - } - - if ( ::tqqt_cast<TQSplitter*>(layoutBase) ) - ( (TQSplitter*)layoutBase )->setOrientation( Qt::Vertical ); - - finishLayout( needMove, layout ); -} - - - - - -class Grid -{ -public: - Grid( int rows, int cols ); - ~Grid(); - - TQWidget* cell( int row, int col ) const { return cells[ row * ncols + col]; } - void setCell( int row, int col, TQWidget* w ) { cells[ row*ncols + col] = w; } - void setCells( TQRect c, TQWidget* w ) { - for ( int rows = c.bottom()-c.top(); rows >= 0; rows--) - for ( int cols = c.right()-c.left(); cols >= 0; cols--) { - setCell(c.top()+rows, c.left()+cols, w); - } - } - int numRows() const { return nrows; } - int numCols() const { return ncols; } - - void simplify(); - bool locateWidget( TQWidget* w, int& row, int& col, int& rowspan, int& colspan ); - -private: - void merge(); - int countRow( int r, int c ) const; - int countCol( int r, int c ) const; - void setRow( int r, int c, TQWidget* w, int count ); - void setCol( int r, int c, TQWidget* w, int count ); - bool isWidgetStartCol( int c ) const; - bool isWidgetEndCol( int c ) const; - bool isWidgetStartRow( int r ) const; - bool isWidgetEndRow( int r ) const; - bool isWidgetTopLeft( int r, int c ) const; - void extendLeft(); - void extendRight(); - void extendUp(); - void extendDown(); - TQWidget** cells; - bool* cols; - bool* rows; - int nrows, ncols; - -}; - -Grid::Grid( int r, int c ) - : nrows( r ), ncols( c ) -{ - cells = new TQWidget*[ r * c ]; - memset( cells, 0, sizeof( cells ) * r * c ); - rows = new bool[ r ]; - cols = new bool[ c ]; - -} - -Grid::~Grid() -{ - delete [] cells; - delete [] cols; - delete [] rows; -} - -int Grid::countRow( int r, int c ) const -{ - TQWidget* w = cell( r, c ); - int i = c + 1; - while ( i < ncols && cell( r, i ) == w ) - i++; - return i - c; -} - -int Grid::countCol( int r, int c ) const -{ - TQWidget* w = cell( r, c ); - int i = r + 1; - while ( i < nrows && cell( i, c ) == w ) - i++; - return i - r; -} - -void Grid::setCol( int r, int c, TQWidget* w, int count ) -{ - for (int i = 0; i < count; i++ ) - setCell( r + i, c, w ); -} - -void Grid::setRow( int r, int c, TQWidget* w, int count ) -{ - for (int i = 0; i < count; i++ ) - setCell( r, c + i, w ); -} - -bool Grid::isWidgetStartCol( int c ) const -{ - int r; - for ( r = 0; r < nrows; r++ ) { - if ( cell( r, c ) && ( (c==0) || (cell( r, c) != cell( r, c-1) )) ) { - return TRUE; - } - } - return FALSE; -} - -bool Grid::isWidgetEndCol( int c ) const -{ - int r; - for ( r = 0; r < nrows; r++ ) { - if ( cell( r, c ) && ((c == ncols-1) || (cell( r, c) != cell( r, c+1) )) ) - return TRUE; - } - return FALSE; -} - -bool Grid::isWidgetStartRow( int r ) const -{ - int c; - for ( c = 0; c < ncols; c++ ) { - if ( cell( r, c ) && ( (r==0) || (cell( r, c) != cell( r-1, c) )) ) - return TRUE; - } - return FALSE; -} - -bool Grid::isWidgetEndRow( int r ) const -{ - int c; - for ( c = 0; c < ncols; c++ ) { - if ( cell( r, c ) && ((r == nrows-1) || (cell( r, c) != cell( r+1, c) )) ) - return TRUE; - } - return FALSE; -} - - -bool Grid::isWidgetTopLeft( int r, int c ) const -{ - TQWidget* w = cell( r, c ); - if ( !w ) - return FALSE; - return ( !r || cell( r-1, c) != w ) && (!c || cell( r, c-1) != w); -} - -void Grid::extendLeft() -{ - int r,c,i; - for ( c = 1; c < ncols; c++ ) { - for ( r = 0; r < nrows; r++ ) { - TQWidget* w = cell( r, c ); - if ( !w ) - continue; - int cc = countCol( r, c); - int stretch = 0; - for ( i = c-1; i >= 0; i-- ) { - if ( cell( r, i ) ) - break; - if ( countCol( r, i ) < cc ) - break; - if ( isWidgetEndCol( i ) ) - break; - if ( isWidgetStartCol( i ) ) { - stretch = c - i; - break; - } - } - if ( stretch ) { - for ( i = 0; i < stretch; i++ ) - setCol( r, c-i-1, w, cc ); - } - } - } -} - - -void Grid::extendRight() -{ - int r,c,i; - for ( c = ncols - 2; c >= 0; c-- ) { - for ( r = 0; r < nrows; r++ ) { - TQWidget* w = cell( r, c ); - if ( !w ) - continue; - int cc = countCol( r, c); - int stretch = 0; - for ( i = c+1; i < ncols; i++ ) { - if ( cell( r, i ) ) - break; - if ( countCol( r, i ) < cc ) - break; - if ( isWidgetStartCol( i ) ) - break; - if ( isWidgetEndCol( i ) ) { - stretch = i - c; - break; - } - } - if ( stretch ) { - for ( i = 0; i < stretch; i++ ) - setCol( r, c+i+1, w, cc ); - } - } - } - -} - -void Grid::extendUp() -{ - int r,c,i; - for ( r = 1; r < nrows; r++ ) { - for ( c = 0; c < ncols; c++ ) { - TQWidget* w = cell( r, c ); - if ( !w ) - continue; - int cr = countRow( r, c); - int stretch = 0; - for ( i = r-1; i >= 0; i-- ) { - if ( cell( i, c ) ) - break; - if ( countRow( i, c ) < cr ) - break; - if ( isWidgetEndRow( i ) ) - break; - if ( isWidgetStartRow( i ) ) { - stretch = r - i; - break; - } - } - if ( stretch ) { - for ( i = 0; i < stretch; i++ ) - setRow( r-i-1, c, w, cr ); - } - } - } -} - -void Grid::extendDown() -{ - int r,c,i; - for ( r = nrows - 2; r >= 0; r-- ) { - for ( c = 0; c < ncols; c++ ) { - TQWidget* w = cell( r, c ); - if ( !w ) - continue; - int cr = countRow( r, c); - int stretch = 0; - for ( i = r+1; i < nrows; i++ ) { - if ( cell( i, c ) ) - break; - if ( countRow( i, c ) < cr ) - break; - if ( isWidgetStartRow( i ) ) - break; - if ( isWidgetEndRow( i ) ) { - stretch = i - r; - break; - } - } - if ( stretch ) { - for ( i = 0; i < stretch; i++ ) - setRow( r+i+1, c, w, cr ); - } - } - } - -} - -void Grid::simplify() -{ - extendLeft(); - extendRight(); - extendUp(); - extendDown(); - merge(); -} - - -void Grid::merge() -{ - int r,c; - for ( c = 0; c < ncols; c++ ) - cols[c] = FALSE; - - for ( r = 0; r < nrows; r++ ) - rows[r] = FALSE; - - for ( c = 0; c < ncols; c++ ) { - for ( r = 0; r < nrows; r++ ) { - if ( isWidgetTopLeft( r, c ) ) { - rows[r] = TRUE; - cols[c] = TRUE; - } - } - } -} - -bool Grid::locateWidget( TQWidget* w, int& row, int& col, int& rowspan, int & colspan ) -{ - int r,c, r2, c2; - for ( c = 0; c < ncols; c++ ) { - for ( r = 0; r < nrows; r++ ) { - if ( cell( r, c ) == w ) { - row = 0; - for ( r2 = 1; r2 <= r; r2++ ) { - if ( rows[ r2-1 ] ) - row++; - } - col = 0; - for ( c2 = 1; c2 <= c; c2++ ) { - if ( cols[ c2-1 ] ) - col++; - } - rowspan = 0; - for ( r2 = r ; r2 < nrows && cell( r2, c) == w; r2++ ) { - if ( rows[ r2 ] ) - rowspan++; - } - colspan = 0; - for ( c2 = c; c2 < ncols && cell( r, c2) == w; c2++ ) { - if ( cols[ c2] ) - colspan++; - } - return TRUE; - } - } - } - return FALSE; -} - - - - -GridLayout::GridLayout( const TQWidgetList &wl, TQWidget *p, FormWindow *fw, TQWidget *lb, const TQSize &res, bool doSetup ) - : Layout( wl, p, fw, lb, doSetup ), resolution( res ) -{ - grid = 0; - if ( doSetup ) - setup(); -} - -GridLayout::~GridLayout() -{ - delete grid; -} - -void GridLayout::doLayout() -{ - bool needMove, needReparent; - if ( !prepareLayout( needMove, needReparent ) ) - return; - - QDesignerGridLayout *layout = (QDesignerGridLayout*)WidgetFactory::createLayout( layoutBase, 0, WidgetFactory::Grid ); - - if ( !grid ) - buildGrid(); - - TQWidget* w; - int r, c, rs, cs; - for ( w = widgets.first(); w; w = widgets.next() ) { - if ( grid->locateWidget( w, r, c, rs, cs) ) { - if ( needReparent && TQT_BASE_OBJECT(w->parent()) != TQT_BASE_OBJECT(layoutBase) ) - w->reparent( layoutBase, 0, TQPoint( 0, 0 ), FALSE ); - if ( rs * cs == 1 ) { - layout->addWidget( w, r, c, ::tqqt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 ); - } else { - layout->addMultiCellWidget( w, r, r+rs-1, c, c+cs-1, ::tqqt_cast<Spacer*>(w) ? ( (Spacer*)w )->alignment() : 0 ); - } - if ( ::tqqt_cast<TQLayoutWidget*>(w) ) - ( (TQLayoutWidget*)w )->updateSizePolicy(); - w->show(); - } else { - tqWarning("ooops, widget '%s' does not fit in layout", w->name() ); - } - } - finishLayout( needMove, layout ); -} - -void GridLayout::setup() -{ - Layout::setup(); - buildGrid(); -} - -void GridLayout::buildGrid() -{ - if ( !widgets.count() ) - return; - - // Pixel to cell conversion: - // By keeping a list of start'n'stop values (x & y) for each widget, - // it is possible to create a very small grid of cells to represent - // the widget layout. - // ----------------------------------------------------------------- - - // We need a list of both start and stop values for x- & y-axis - TQValueVector<int> x( widgets.count()*2 ); - TQValueVector<int> y( widgets.count()*2 ); - - // Using push_back would look nicer, but operator[] is much faster - int index = 0; - TQWidget* w = 0; - for ( w = widgets.first(); w; w = widgets.next() ) { - TQRect widgetPos = w->geometry(); - x[index] = widgetPos.left(); - x[index+1] = widgetPos.right(); - y[index] = widgetPos.top(); - y[index+1] = widgetPos.bottom(); - index += 2; - } - - qHeapSort(x); - qHeapSort(y); - - // Remove duplicate x enteries (Remove next, if equal to current) - if ( !x.empty() ) { - for (TQValueVector<int>::iterator current = x.begin() ; - (current != x.end()) && ((current+1) != x.end()) ; ) - if ( (*current == *(current+1)) ) - x.erase(current+1); - else - current++; - } - - // Remove duplicate y enteries (Remove next, if equal to current) - if ( !y.empty() ) { - for (TQValueVector<int>::iterator current = y.begin() ; - (current != y.end()) && ((current+1) != y.end()) ; ) - if ( (*current == *(current+1)) ) - y.erase(current+1); - else - current++; - } - - // Create the smallest grid possible to represent the current layout - // Since no widget will be placed in the last row and column, we'll - // skip them to increase speed even further - delete grid; - grid = new Grid( y.size()-1, x.size()-1 ); - - // Mark the cells in the grid that contains a widget - for ( w = widgets.first(); w; w = widgets.next() ) { - TQRect c(0,0,0,0), widgetPos = w->geometry(); - // From left til right (not including) - for (uint cw=0; cw<x.size(); cw++) { - if ( x[cw] == widgetPos.left() ) - c.setLeft(cw); - if ( x[cw] < widgetPos.right()) - c.setRight(cw); - } - // From top til bottom (not including) - for (uint ch=0; ch<y.size(); ch++) { - if ( y[ch] == widgetPos.top() ) - c.setTop(ch); - if ( y[ch] < widgetPos.bottom() ) - c.setBottom(ch); - } - grid->setCells(c, w); // Mark cellblock - } - grid->simplify(); -} - - - - - - - -Spacer::Spacer( TQWidget *parent, const char *name ) - : TQWidget( parent, name, WMouseNoMask ), - orient(Qt::Vertical ), interactive(TRUE), sh( TQSize(20,20) ) -{ - setSizeType( Expanding ); - setAutoMask( TRUE ); -} - -void Spacer::paintEvent( TQPaintEvent * ) -{ - TQPainter p( this ); - p.setPen( TQt::blue ); - - if ( orient ==Qt::Horizontal ) { - const int dist = 3; - const int amplitude = TQMIN( 3, height() / 3 ); - const int base = height() / 2; - int i = 0; - p.setPen( white ); - for ( i = 0; i < width() / 3 +2; ++i ) - p.drawLine( i * dist, base - amplitude, i * dist + dist / 2, base + amplitude ); - p.setPen( blue ); - for ( i = 0; i < width() / 3 +2; ++i ) - p.drawLine( i * dist + dist / 2, base + amplitude, i * dist + dist, base - amplitude ); - p.drawLine( 0, 0, 0, height() ); - p.drawLine( width() - 1, 0, width() - 1, height()); - } else { - const int dist = 3; - const int amplitude = TQMIN( 3, width() / 3 ); - const int base = width() / 2; - int i = 0; - p.setPen( white ); - for ( i = 0; i < height() / 3 +2; ++i ) - p.drawLine( base - amplitude, i * dist, base + amplitude,i * dist + dist / 2 ); - p.setPen( blue ); - for ( i = 0; i < height() / 3 +2; ++i ) - p.drawLine( base + amplitude, i * dist + dist / 2, base - amplitude, i * dist + dist ); - p.drawLine( 0, 0, width(), 0 ); - p.drawLine( 0, height() - 1, width(), height() - 1 ); - } -} - -void Spacer::resizeEvent( TQResizeEvent* e) -{ - TQWidget::resizeEvent( e ); - if ( !parentWidget() || WidgetFactory::layoutType( parentWidget() ) == WidgetFactory::NoLayout ) - sh = size(); -} - -void Spacer::updateMask() -{ - TQRegion r( rect() ); - if ( orient ==Qt::Horizontal ) { - const int amplitude = TQMIN( 3, height() / 3 ); - const int base = height() / 2; - r = r.subtract( TQRect(1, 0, width() - 2, base - amplitude ) ); - r = r.subtract( TQRect(1, base + amplitude, width() - 2, height() - base - amplitude ) ); - } else { - const int amplitude = TQMIN( 3, width() / 3 ); - const int base = width() / 2; - r = r.subtract( TQRect(0, 1, base - amplitude, height() - 2 ) ); - r = r.subtract( TQRect( base + amplitude, 1, width() - base - amplitude, height() - 2 ) ); - } - setMask( r ); -} - -void Spacer::setSizeType( SizeType t ) -{ - TQSizePolicy sizeP; - if ( orient ==Qt::Vertical ) - sizeP = TQSizePolicy( TQSizePolicy::Minimum, (TQSizePolicy::SizeType)t ); - else - sizeP = TQSizePolicy( (TQSizePolicy::SizeType)t, TQSizePolicy::Minimum ); - setSizePolicy( sizeP ); -} - - -Spacer::SizeType Spacer::sizeType() const -{ - if ( orient ==Qt::Vertical ) - return (SizeType)sizePolicy().verData(); - return (SizeType)sizePolicy().horData(); -} - -int Spacer::alignment() const -{ - if ( orient ==Qt::Vertical ) - return AlignHCenter; - return AlignVCenter; -} - -TQSize Spacer::minimumSize() const -{ - TQSize s = TQSize( 20,20 ); - if ( sizeType() == Expanding ) - if ( orient ==Qt::Vertical ) - s.rheight() = 0; - else - s.rwidth() = 0; - return s; -} - -TQSize Spacer::sizeHint() const -{ - return sh; -} - - -void Spacer::setSizeHint( const TQSize &s ) -{ - sh = s; - if ( !parentWidget() || WidgetFactory::layoutType( parentWidget() ) == WidgetFactory::NoLayout ) - resize( sizeHint() ); - updateGeometry(); -} - -Qt::Orientation Spacer::orientation() const -{ - return orient; -} - -void Spacer::setOrientation( Qt::Orientation o ) -{ - if ( orient == o ) - return; - - SizeType st = sizeType(); - orient = o; - setSizeType( st ); - if ( interactive ) { - sh = TQSize( sh.height(), sh.width() ); - if (!parentWidget() || WidgetFactory::layoutType( parentWidget() ) == WidgetFactory::NoLayout ) - resize( height(), width() ); - } - updateMask(); - update(); - updateGeometry(); -} - - -void QDesignerGridLayout::addWidget( TQWidget *w, int row, int col, int align_ ) -{ - items.insert( w, Item(row, col, 1, 1) ); - TQGridLayout::addWidget( w, row, col, align_ ); -} - -void QDesignerGridLayout::addMultiCellWidget( TQWidget *w, int fromRow, int toRow, - int fromCol, int toCol, int align_ ) -{ - items.insert( w, Item(fromRow, fromCol, toRow - fromRow + 1, toCol - fromCol +1) ); - TQGridLayout::addMultiCellWidget( w, fromRow, toRow, fromCol, toCol, align_ ); -} |