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koffice/kexi/main/printing/kexisimpleprintpreviewwindo...

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/* This file is part of the KDE project
Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kexisimpleprintpreviewwindow.h"
#include "kexisimpleprintingengine.h"
#include "kexisimpleprintpreviewwindow_p.h"
#include <kexi_version.h>
#include <tqlayout.h>
#include <tqaccel.h>
#include <tqtimer.h>
#include <tqlabel.h>
#include <kdialogbase.h>
#include <ktoolbarbutton.h>
#include <klocale.h>
#include <kiconloader.h>
#include <kdebug.h>
#include <kpushbutton.h>
#include <kapplication.h>
KexiSimplePrintPreviewView::KexiSimplePrintPreviewView(
TQWidget *parent, KexiSimplePrintPreviewWindow *window)
: TQWidget(parent, "KexiSimplePrintPreviewView", WStaticContents)//|WNoAutoErase)
, m_window(window)
{
enablePainting = false;
// resize(300,400);
// resizeContents(200, 400);
}
void KexiSimplePrintPreviewView::paintEvent( TQPaintEvent *pe )
{
Q_UNUSED(pe);
if (!enablePainting)
return;
TQPixmap pm(size()); //dbl buffered
TQPainter p;
p.begin(TQT_TQPAINTDEVICE(&pm), this);
//! @todo only for screen!
p.fillRect(TQRect(TQPoint(0,0),pm.size()), TQBrush(white));//pe->rect(), TQBrush(white));
if (m_window->currentPage()>=0)
m_window->m_engine.paintPage(m_window->currentPage(), p);
// emit m_window->paintingPageRequested(m_window->currentPage(), p);
p.end();
bitBlt(this, 0, 0, &pm);
}
//--------------------------
#define KexiSimplePrintPreviewScrollView_MARGIN KDialogBase::marginHint()
KexiSimplePrintPreviewScrollView::KexiSimplePrintPreviewScrollView(
KexiSimplePrintPreviewWindow *window)
: TQScrollView(window, "scrollview", WStaticContents|WNoAutoErase)
, m_window(window)
{
// this->settings = settings;
widget = new KexiSimplePrintPreviewView(viewport(), m_window);
/* int widthMM = KoPageFormat::width(
settings.pageLayout.format, settings.pageLayout.orientation);
int heightMM = KoPageFormat::height(
settings.pageLayout.format, settings.pageLayout.orientation);
// int constantHeight = 400;
// widget->resize(constantHeight * widthMM / heightMM, constantHeight ); //keep aspect
*/
addChild(widget);
}
void KexiSimplePrintPreviewScrollView::resizeEvent( TQResizeEvent *re )
{
TQScrollView::resizeEvent(re);
// kdDebug() << re->size().width() << " " << re->size().height() << endl;
// kdDebug() << contentsWidth() << " " << contentsHeight() << endl;
// kdDebug() << widget->width() << " " << widget->height() << endl;
setUpdatesEnabled(false);
if (re->size().width() > (widget->width()+2*KexiSimplePrintPreviewScrollView_MARGIN)
|| re->size().height() > (widget->height()+2*KexiSimplePrintPreviewScrollView_MARGIN))
{
resizeContents(
TQMAX(re->size().width(), widget->width()+2*KexiSimplePrintPreviewScrollView_MARGIN),
TQMAX(re->size().height(), widget->height()+2*KexiSimplePrintPreviewScrollView_MARGIN));
int vscrbarWidth = verticalScrollBar()->isVisible() ? verticalScrollBar()->width() : 0;
int newContentsWidth
= TQMAX(re->size().width(), widget->width()+2*KexiSimplePrintPreviewScrollView_MARGIN);
int newContentsHeight
= TQMAX(re->size().height(), widget->height()+2*KexiSimplePrintPreviewScrollView_MARGIN);
moveChild(widget, (newContentsWidth - vscrbarWidth - widget->width())/2,
(newContentsHeight - widget->height())/2);
resizeContents( newContentsWidth, newContentsHeight );
}
setUpdatesEnabled(true);
}
void KexiSimplePrintPreviewScrollView::setFullWidth()
{
viewport()->setUpdatesEnabled(false);
double widthMM = KoPageFormat::width(
m_window->settings().pageLayout.format,
m_window->settings().pageLayout.orientation);
double heightMM = KoPageFormat::height(
m_window->settings().pageLayout.format, m_window->settings().pageLayout.orientation);
// int constantWidth = m_window->width()- KexiSimplePrintPreviewScrollView_MARGIN*6;
double constantWidth = width()- KexiSimplePrintPreviewScrollView_MARGIN*6;
double heightForWidth = constantWidth * heightMM / widthMM;
// heightForWidth = TQMIN(kapp->desktop()->height()*4/5, heightForWidth);
kdDebug() << "1: " << heightForWidth << endl;
#if 0 //todo we can use this if we want to fix the height to width of the page
heightForWidth = TQMIN(height(), heightForWidth);
kdDebug() << "2: " << heightForWidth << endl;
#endif
constantWidth = heightForWidth * widthMM / heightMM;
widget->resize((int)constantWidth, (int)heightForWidth); //keep aspect
resizeContents(int(widget->width() + 2*KexiSimplePrintPreviewScrollView_MARGIN),
int(widget->height() + 2*KexiSimplePrintPreviewScrollView_MARGIN));
moveChild(widget, (contentsWidth()-widget->width())/2,
(contentsHeight()-widget->height())/2);
viewport()->setUpdatesEnabled(true);
resize(size()+TQSize(1,1)); //to update pos.
widget->enablePainting = true;
widget->repaint();
}
void KexiSimplePrintPreviewScrollView::setContentsPos(int x, int y)
{
// kdDebug() << "############" << x << " " << y << " " << contentsX()<< " " <<contentsY() << endl;
if (x<0 || y<0) //to avoid endless loop on Linux
return;
TQScrollView::setContentsPos(x,y);
}
//------------------
KexiSimplePrintPreviewWindow::KexiSimplePrintPreviewWindow(
KexiSimplePrintingEngine &engine, const TQString& previewName,
TQWidget *parent, WFlags f)
: TQWidget(parent, "KexiSimplePrintPreviewWindow", f)
, m_engine(engine)
, m_settings(*m_engine.settings())
, m_pageNumber(-1)
, m_pagesCount(-1)
{
setCaption(i18n("%1 - Print Preview - %2").arg(previewName).arg(KEXI_APP_NAME));
setIcon(DesktopIcon("filequickprint"));
TQVBoxLayout *lyr = new TQVBoxLayout(this, 6);
int id;
m_toolbar = new KToolBar(0, this);
m_toolbar->setLineWidth(0);
m_toolbar->setFrameStyle(TQFrame::NoFrame);
m_toolbar->setIconText(KToolBar::IconTextRight);
lyr->addWidget(m_toolbar);
id = m_toolbar->insertWidget( -1, 0, new KPushButton(KStdGuiItem::print(), m_toolbar) );
m_toolbar->addConnection(id, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotPrintClicked()));
static_cast<KPushButton*>(m_toolbar->getWidget(id))->setAccel(TQt::CTRL|TQt::Key_P);
m_toolbar->insertSeparator();
id = m_toolbar->insertWidget(-1, 0, new KPushButton(i18n("Page Set&up..."), m_toolbar));
m_toolbar->addConnection(id, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotPageSetup()));
m_toolbar->insertSeparator();
#ifndef KEXI_NO_UNFINISHED
//! @todo unfinished
id = m_toolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("viewmag+"), i18n("Zoom In"), m_toolbar));
m_toolbar->addConnection(id, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotZoomInClicked()));
m_toolbar->insertSeparator();
id = m_toolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("viewmag-"), i18n("Zoom Out"), m_toolbar));
m_toolbar->addConnection(id, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotZoomOutClicked()));
m_toolbar->insertSeparator();
#endif
id = m_toolbar->insertWidget(-1, 0, new KPushButton(KStdGuiItem::close(), m_toolbar));
m_toolbar->addConnection(id, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(close()));
m_toolbar->alignItemRight(id);
m_scrollView = new KexiSimplePrintPreviewScrollView(this);
m_scrollView->setUpdatesEnabled(false);
m_view = m_scrollView->widget;
m_scrollView->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Minimum);
lyr->addWidget(m_scrollView);
TQWidget* navToolbarWidget = new TQWidget(this); //widget used to center the navigator toolbar
navToolbarWidget->setSizePolicy(TQSizePolicy::Minimum, TQSizePolicy::Fixed);
TQHBoxLayout *navToolbarLyr = new TQHBoxLayout(navToolbarWidget);
lyr->addWidget(navToolbarWidget);
m_navToolbar = new KToolBar(0, navToolbarWidget);
navToolbarLyr->addStretch(1);
navToolbarLyr->addWidget(m_navToolbar);
navToolbarLyr->addStretch(1);
// m_navToolbar->setFullWidth(true);
m_navToolbar->setLineWidth(0);
m_navToolbar->setFrameStyle(TQFrame::NoFrame);
m_navToolbar->setIconText(KToolBar::IconTextRight);
m_idFirst = m_navToolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("start"), i18n("First Page"), m_navToolbar));
m_navToolbar->addConnection(m_idFirst, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotFirstClicked()));
m_navToolbar->insertSeparator();
m_idPrevious = m_navToolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("previous"), i18n("Previous Page"), m_navToolbar));
m_navToolbar->addConnection(m_idPrevious, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotPreviousClicked()));
m_navToolbar->insertSeparator();
m_idPageNumberLabel = m_navToolbar->insertWidget( -1, 0, new TQLabel(m_navToolbar));
m_navToolbar->insertSeparator();
m_idNext = m_navToolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("next"), i18n("Next Page"), m_navToolbar));
m_navToolbar->addConnection(m_idNext, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotNextClicked()));
m_navToolbar->insertSeparator();
m_idLast = m_navToolbar->insertWidget( -1, 0, new KPushButton(BarIconSet("finish"), i18n("Last Page"), m_navToolbar));
m_navToolbar->addConnection(m_idLast, TQT_SIGNAL(clicked()), TQT_TQOBJECT(this), TQT_SLOT(slotLastClicked()));
m_navToolbar->insertSeparator();
resize(width(), kapp->desktop()->height()*4/5);
//! @todo progress bar...
TQTimer::singleShot(50, TQT_TQOBJECT(this), TQT_SLOT(initLater()));
}
void KexiSimplePrintPreviewWindow::initLater()
{
setFullWidth();
updatePagesCount();
goToPage(0);
}
KexiSimplePrintPreviewWindow::~KexiSimplePrintPreviewWindow()
{
}
/*void KexiSimplePrintPreviewWindow::setPagesCount(int pagesCount)
{
m_pagesCount = pagesCount;
goToPage(0);
}*/
void KexiSimplePrintPreviewWindow::slotPrintClicked()
{
hide();
emit printRequested();
show();
raise();
}
void KexiSimplePrintPreviewWindow::slotPageSetup()
{
lower();
emit pageSetupRequested();
}
void KexiSimplePrintPreviewWindow::slotZoomInClicked()
{
//! @todo
}
void KexiSimplePrintPreviewWindow::slotZoomOutClicked()
{
//! @todo
}
void KexiSimplePrintPreviewWindow::slotFirstClicked()
{
goToPage(0);
}
void KexiSimplePrintPreviewWindow::slotPreviousClicked()
{
goToPage(m_pageNumber-1);
}
void KexiSimplePrintPreviewWindow::slotNextClicked()
{
goToPage(m_pageNumber+1);
}
void KexiSimplePrintPreviewWindow::slotLastClicked()
{
goToPage(m_engine.pagesCount()-1);
}
void KexiSimplePrintPreviewWindow::goToPage(int pageNumber)
{
if ((pageNumber==m_pageNumber && m_pagesCount == (int)m_engine.pagesCount())
|| pageNumber < 0 || pageNumber > ((int)m_engine.pagesCount()-1))
return;
m_pageNumber = pageNumber;
m_pagesCount = m_engine.pagesCount();
m_view->repaint(); //this will automatically paint a new page
m_navToolbar->setItemEnabled(m_idNext, pageNumber < ((int)m_engine.pagesCount()-1));
m_navToolbar->setItemEnabled(m_idLast, pageNumber < ((int)m_engine.pagesCount()-1));
m_navToolbar->setItemEnabled(m_idPrevious, pageNumber > 0);
m_navToolbar->setItemEnabled(m_idFirst, pageNumber > 0);
static_cast<TQLabel*>(m_navToolbar->getWidget(m_idPageNumberLabel))->setText(
i18n("Page (number) of (total)", "Page %1 of %2").arg(m_pageNumber+1).arg(m_engine.pagesCount()));
}
void KexiSimplePrintPreviewWindow::setFullWidth()
{
m_scrollView->setFullWidth();
}
void KexiSimplePrintPreviewWindow::updatePagesCount()
{
TQPixmap pm(m_view->size()); //dbl buffered
TQPainter p(m_view);
//p.begin(&pm, this);
////! @todo only for screen!
// p.fillRect(pe->rect(), TQBrush(white));
m_engine.calculatePagesCount(p);
p.end();
}
bool KexiSimplePrintPreviewWindow::event( TQEvent * e )
{
TQEvent::Type t = e->type();
if (t==TQEvent::KeyPress) {
TQKeyEvent *ke = TQT_TQKEYEVENT(e);
const int k = ke->key();
bool ok = true;
if (k==TQt::Key_Equal || k==TQt::Key_Plus)
slotZoomInClicked();
else if (k==TQt::Key_Minus)
slotZoomOutClicked();
else if (k==TQt::Key_Home)
slotFirstClicked();
else if (k==TQt::Key_End)
slotLastClicked();
else
ok = false;
if (ok) {
ke->accept();
return true;
}
}
else if (t==TQEvent::AccelOverride) {
TQKeyEvent *ke = TQT_TQKEYEVENT(e);
const int k = ke->key();
bool ok = true;
if (k==TQt::Key_PageUp)
slotPreviousClicked();
else if (k==TQt::Key_PageDown)
slotNextClicked();
else
ok = false;
if (ok) {
ke->accept();
return true;
}
}
return TQWidget::event(e);
}
#include "kexisimpleprintpreviewwindow.moc"
#include "kexisimpleprintpreviewwindow_p.moc"