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Diffstat (limited to 'libktorrent/expandablewidget.cpp')
| -rw-r--r-- | libktorrent/expandablewidget.cpp | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/libktorrent/expandablewidget.cpp b/libktorrent/expandablewidget.cpp new file mode 100644 index 0000000..cdac376 --- /dev/null +++ b/libktorrent/expandablewidget.cpp @@ -0,0 +1,179 @@ +/*************************************************************************** + * Copyright (C) 2005 by Joris Guisson * + * [email protected] * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + ***************************************************************************/ +#include <qlayout.h> +#include <qsplitter.h> +#include "expandablewidget.h" + +namespace kt +{ + + ExpandableWidget::ExpandableWidget(QWidget* child,QWidget *parent, const char *name) + : QWidget(parent, name) + { + top_layout = new QHBoxLayout(this); + child->reparent(this,QPoint(),true); + // make top of stack + begin = new StackElement; + begin->w = child; + top_layout->add(child); + } + + + ExpandableWidget::~ExpandableWidget() + { + if (begin) + { + // delete begin->w; + delete begin; + } + } + + void ExpandableWidget::expand(QWidget* w,Position pos) + { + // create new element + StackElement* se = new StackElement; + se->w = w; + se->pos = pos; + se->next = begin; + + // remove old top from layout + top_layout->remove(begin->w); + + // create new toplevel splitter + Qt::Orientation orientation = (pos == RIGHT || pos == LEFT) ? Qt::Horizontal : Qt::Vertical; + QSplitter* s = new QSplitter(orientation,this);; + se->s = s; + + // reparent w and the bottom widget to s + w->reparent(s,QPoint(),false); + if (begin->s) + begin->s->reparent(s,QPoint(),false); + else + begin->w->reparent(s,QPoint(),false); + + // add w and the bottom widget to s + if (pos == RIGHT || pos == ABOVE) + { + s->moveToFirst(w); + s->setResizeMode(w,QSplitter::KeepSize); + s->moveToLast(begin->s ? begin->s : begin->w); + } + else + { + s->moveToFirst(begin->s ? begin->s : begin->w); + s->moveToLast(w); + s->setResizeMode(w,QSplitter::KeepSize); + } + // make se new top of stack + begin = se; + + // add toplevel splitter to layout + top_layout->add(s); + + // show s + s->show(); + } + + void ExpandableWidget::remove(QWidget* w) + { + // find the correct stackelement + StackElement* se = begin; + StackElement* prev = 0; // element before se + while (se->w != w && se->next) + { + prev = se; + se = se->next; + } + + // do not remove last + if (!se->next) + return; + + if (!prev) + { + // we need to remove the first + top_layout->remove(se->s); + // reparent current top to 0 + se->w->reparent(0,QPoint(),false); + se->s->reparent(0,QPoint(),false); + // set new top + begin = se->next; + + + if (begin->s) + { + begin->s->reparent(this,QPoint(),false); + top_layout->add(begin->s); + begin->s->show(); + } + else + { + begin->w->reparent(this,QPoint(),false); + top_layout->add(begin->w); + begin->w->show(); + } + + se->next = 0; + // delete splitter and se + delete se->s; + delete se; + } + else + { + StackElement* next = se->next; + // isolate the node + se->next = 0; + prev->next = next; + + // reparent se to 0 + se->s->reparent(0,QPoint(),false); + se->w->reparent(0,QPoint(),false); + + // reparent se->next to prev + if (next->s) + next->s->reparent(prev->s,QPoint(),false); + else + next->w->reparent(prev->s,QPoint(),false); + + // update prev's splitter + if (prev->pos == RIGHT || prev->pos == ABOVE) + { + prev->s->moveToFirst(prev->w); + prev->s->setResizeMode(prev->w,QSplitter::KeepSize); + prev->s->moveToLast(next->s ? next->s : next->w); + prev->s->setResizeMode(next->s ? next->s : next->w,QSplitter::KeepSize); + } + else + { + prev->s->moveToFirst(next->s ? next->s : next->w); + prev->s->setResizeMode(next->s ? next->s : next->w,QSplitter::KeepSize); + prev->s->moveToLast(prev->w); + prev->s->setResizeMode(prev->w,QSplitter::KeepSize); + } + + // delete se and splitter + delete se->s; + delete se; + prev->next->w->show(); + prev->s->show(); + } + } +} +#include "expandablewidget.moc" |