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Diffstat (limited to 'tdeprint/management/cjanuswidget.cpp')
| -rw-r--r-- | tdeprint/management/cjanuswidget.cpp | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/tdeprint/management/cjanuswidget.cpp b/tdeprint/management/cjanuswidget.cpp new file mode 100644 index 000000000..af04ee170 --- /dev/null +++ b/tdeprint/management/cjanuswidget.cpp @@ -0,0 +1,265 @@ +/* + * This file is part of the KDE libraries + * Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License version 2 as published by the Free Software Foundation. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + **/ + +#include "cjanuswidget.h" + +#include <tqwidgetstack.h> +#include <tqlabel.h> +#include <tqpainter.h> +#include <klistbox.h> +#include <tqlayout.h> +#include <kseparator.h> + +class CJanusWidget::CPage +{ +public: + TQWidget *m_widget; + TQString m_text; + TQString m_header; + TQPixmap m_pixmap; + CListBoxItem *m_item; +}; + +//*********************************************************************************** + +class CJanusWidget::CListBoxItem : public TQListBoxItem +{ +public: + CListBoxItem(TQListBox *lb, TQListBoxItem *after, const TQPixmap& pix, const TQString& text); + int height(const TQListBox*) const; + int width(const TQListBox*) const; + +protected: + void paint(TQPainter*); + +private: + TQPixmap m_pix; +}; + +CJanusWidget::CListBoxItem::CListBoxItem(TQListBox *lb, TQListBoxItem *after, const TQPixmap& pix, const TQString& text) +: TQListBoxItem(lb, after), m_pix(pix) +{ + setText(text); +} + +int CJanusWidget::CListBoxItem::height(const TQListBox *lb) const +{ + return (m_pix.height() + lb->fontMetrics().lineSpacing() + 12); +} + +int CJanusWidget::CListBoxItem::width(const TQListBox *lb) const +{ + int w = TQMAX(lb->fontMetrics().width(text()),m_pix.width()); + return (w + 10); +} + +void CJanusWidget::CListBoxItem::paint(TQPainter *p) +{ + int w1 = (listBox()->contentsWidth()-m_pix.width())/2; + + p->drawPixmap(w1,5,m_pix); + p->drawText(0,7+m_pix.height(),listBox()->contentsWidth(),p->fontMetrics().lineSpacing(),Qt::AlignHCenter,text()); +} + +//*********************************************************************************** + +class CJanusWidget::CListBox : public KListBox +{ +public: + CListBox(TQWidget *parent = 0, const char *name = 0); + ~CListBox(); + + void computeWidth(); + +protected: + virtual bool eventFilter(TQObject*, TQEvent*); +}; + +CJanusWidget::CListBox::CListBox(TQWidget *parent, const char *name) +: KListBox(parent,name) +{ + verticalScrollBar()->installEventFilter(this); +} + +CJanusWidget::CListBox::~CListBox() +{ +} + +bool CJanusWidget::CListBox::eventFilter(TQObject *o, TQEvent *e) +{ + if (e->type() == TQEvent::Show || e->type() == TQEvent::Hide) + computeWidth(); + return KListBox::eventFilter(o,e); +} + +void CJanusWidget::CListBox::computeWidth() +{ + TQListBoxItem *item = firstItem(); + int w(40); + while (item) + { + w = TQMAX(w,item->width(this)); + item = item->next(); + } + if (verticalScrollBar()->isVisible()) + w += verticalScrollBar()->tqsizeHint().width(); + w += (frameWidth()*2); + setFixedWidth(w); +} + +//*********************************************************************************** + +CJanusWidget::CJanusWidget(TQWidget *parent, const char *name) +: TQWidget(parent,name) +{ + m_pages.setAutoDelete(true); + + m_stack = new TQWidgetStack(this); + m_header = new TQLabel(this); + TQFont f(m_header->font()); + f.setBold(true); + m_header->setFont(f); + + KSeparator* sep = new KSeparator( KSeparator::HLine, this); + sep->setFixedHeight(5); + + m_iconlist = new CListBox(this); + f = m_iconlist->font(); + f.setBold(true); + m_iconlist->setFont(f); + connect(m_iconlist,TQT_SIGNAL(selectionChanged(TQListBoxItem*)),TQT_SLOT(slotSelected(TQListBoxItem*))); + + m_empty = new TQWidget(this, "Empty"); + m_stack->addWidget(m_empty,0); + + TQHBoxLayout *main_ = new TQHBoxLayout(this, 0, 10); + TQVBoxLayout *sub_ = new TQVBoxLayout(0, 0, 5); + main_->addWidget(m_iconlist,0); + main_->addLayout(sub_,1); + sub_->addWidget(m_header,0); + sub_->addWidget(sep,0); + sub_->addWidget(m_stack,1); +} + +CJanusWidget::~CJanusWidget() +{ +} + +void CJanusWidget::addPage(TQWidget *w, const TQString& text, const TQString& header, const TQPixmap& pix) +{ + CPage *page = new CPage(); + m_pages.append(page); + page->m_widget = w; + page->m_text = text; + page->m_header = header; + page->m_pixmap = pix; + page->m_item = new CListBoxItem(m_iconlist,findPrevItem(page),pix,text); + m_iconlist->computeWidth(); + m_stack->addWidget(w,m_pages.count()); + + if (m_iconlist->count() == 1) + m_iconlist->setSelected(page->m_item,true); +} + +void CJanusWidget::enablePage(TQWidget *w) +{ + CPage *page = findPage(w); + if (page && !page->m_item) + { + page->m_item = new CListBoxItem(m_iconlist,findPrevItem(page),page->m_pixmap,page->m_text); + m_iconlist->computeWidth(); + if (m_iconlist->count() == 1) + m_iconlist->setSelected(page->m_item,true); + } +} + +void CJanusWidget::disablePage(TQWidget *w) +{ + CPage *page = findPage(w); + if (page && page->m_item) + { + bool needReselect(m_iconlist->isSelected(page->m_item)); + delete page->m_item; + page->m_item = 0; + m_iconlist->computeWidth(); + if (needReselect) + if (m_iconlist->count() > 0) + m_iconlist->setSelected(m_iconlist->firstItem(),true); + else + slotSelected(0); + } +} + +void CJanusWidget::slotSelected(TQListBoxItem *item) +{ + CPage *page = findPage(item); + if (page) + { + m_stack->raiseWidget(page->m_widget); + m_header->setText(page->m_header); + } + else + { + m_header->setText(""); + m_stack->raiseWidget(m_empty); + } +} + +CJanusWidget::CPage* CJanusWidget::findPage(TQWidget *w) +{ + TQPtrListIterator<CPage> it(m_pages); + for (;it.current();++it) + if (it.current()->m_widget == w) + return it.current(); + return 0; +} + +CJanusWidget::CPage* CJanusWidget::findPage(TQListBoxItem *i) +{ + TQPtrListIterator<CPage> it(m_pages); + for (;it.current();++it) + if (it.current()->m_item == i) + return it.current(); + return 0; +} + +TQListBoxItem* CJanusWidget::findPrevItem(CPage *p) +{ + if (m_pages.findRef(p) == -1) + m_pages.last(); + else + m_pages.prev(); + for (;m_pages.current();m_pages.prev()) + if (m_pages.current()->m_item) + return m_pages.current()->m_item; + return 0; +} + +void CJanusWidget::clearPages() +{ + TQPtrListIterator<CPage> it(m_pages); + for (;it.current(); ++it) + { + delete it.current()->m_widget; + delete it.current()->m_item; + } + m_pages.clear(); +} + +#include "cjanuswidget.moc" |