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#include <stdlib.h>
#include <tqcursor.h>
#include <tqsplitter.h>
#include <tdelocale.h>
#include <tqdir.h>
#include <tdeconfig.h>
#include <tqtimer.h>
#include "dndlistbox.h"
#include "listboxlink.h"
#include "linkview.h"
#include "linkview.moc"
// internal class to eat invalid leave envents (i.e. leave that does not leave the rect but just enters the splitter, as styles (like baghira ;) may post install eventfilters that'd cause useless repaints and therefore flicker if the scroller appereance changes ;)
class EventKiller : public TQObject
{
protected:
virtual bool eventFilter( TQObject *o, TQEvent *e)
{
if (e->type() == TQEvent::Leave)
return ((TQScrollView*)o)->rect().contains(((TQScrollView*)o)->mapFromGlobal (TQCursor::pos()));
return false;
}
};
LinkView::LinkView(TQWidget * parent, const char * name, WFlags f):
TQScrollView(parent, name, f)
{
setFrameShape( TQFrame::StyledPanel );
setFrameShadow( TQFrame::Sunken );
setBackgroundMode(TQt::PaletteBase);
_blocked = FALSE;
splitter = new TQSplitter( TQt::Vertical, viewport() );
addChild(splitter);
splitter->setMargin(5);
splitter->setBackgroundMode(TQt::PaletteBase);
splitter->setSizePolicy(TQSizePolicy::Expanding,TQSizePolicy::Minimum);
splitter->setFrameShape( TQFrame::NoFrame );
splitter->setChildrenCollapsible(TRUE);
splitter->setHandleWidth( 3 );
splitter->setOpaqueResize();
hardware = new MediaListBox(splitter, "hardware");
splitter->setResizeMode( hardware, TQSplitter::KeepSize );
hardware->setFrameShape( TQFrame::NoFrame );
hardware->setHScrollBarMode(TQScrollView::AlwaysOff);
hardware->setVScrollBarMode(TQScrollView::AlwaysOff);
locations = new DnDListBox(splitter, "locations");
// splitter->setResizeMode( locations, TQSplitter::KeepSize );
locations->setFrameShape( TQFrame::NoFrame );
locations->setHScrollBarMode(TQScrollView::AlwaysOff);
locations->setVScrollBarMode(TQScrollView::AlwaysOff);
// custom area, locations
loadLinks();
locations->setCurrentItem(0);
locations->setSelected( locations->selectedItem(), false );
hardware->installEventFilter(this);
connect (hardware, SIGNAL(highlighted( int )), this, SLOT(unselectLocations()));
connect (locations, SIGNAL(highlighted( int )), this, SLOT(unselectHardware()));
connect (hardware, SIGNAL(scrolled(int,int)), this, SLOT(scrollBy(int,int)));
connect (locations, SIGNAL(scrolled(int,int)), this, SLOT(scrollBy(int,int)));
connect (hardware, SIGNAL(itemNumberChanged(bool)), this, SLOT(adjustSplitter2Hardware(bool)));
connect (locations, SIGNAL(itemNumberChanged(bool)), this, SLOT(adjustSplitter2Locations()));
TQTimer::singleShot(50, this, SLOT(adjustSplitter2Locations()));
TQTimer::singleShot(60, this, SLOT(postInstallEventFilter()));
}
static EventKiller *eventKiller = 0L;
LinkView::~LinkView()
{
saveLinks();
delete eventKiller; eventKiller = 0L;
}
void LinkView::postInstallEventFilter()
{
eventKiller = new EventKiller;
installEventFilter(eventKiller);
}
bool LinkView::eventFilter(TQObject *o, TQEvent *e)
{
if (o != hardware)
return TQScrollView::eventFilter(o, e);
if (_blocked || e->type() != TQEvent::Resize)
return FALSE; // not a resize - non of our business
TQResizeEvent *rev = (TQResizeEvent*)e;
if (rev->size().height() == rev->oldSize().height())
return FALSE; // height didn't change
int tmpH = rev->size().height() + locations->numRows()*locations->itemHeight()+20;
if (tmpH < viewport()->height())
tmpH = viewport()->height();
if (tmpH != splitter->height())
{
_blocked = TRUE;
splitter->resize ( splitter->width(), tmpH );
_blocked = FALSE;
}
return FALSE;
}
void LinkView::adjustSplitter2Locations()
{
int tmpH = hardware->height() + locations->numRows()*locations->itemHeight()+20;
if (tmpH < viewport()->height())
tmpH = viewport()->height();
if (tmpH != splitter->height())
splitter->resize ( viewport()->width(), tmpH );
}
void LinkView::adjustSplitter2Hardware(bool added)
{
if (added)
{
if (hardware->height() < hardware->numRows()*hardware->itemHeight())
hardware->resize ( hardware->width(), hardware->numRows()*hardware->itemHeight() );
}
else
if (hardware->height() > hardware->numRows()*hardware->itemHeight())
hardware->resize ( hardware->width(), hardware->numRows()*hardware->itemHeight() );
}
void LinkView::viewportResizeEvent( TQResizeEvent *rev )
{
int tmpH = hardware->height() + locations->numRows()*locations->itemHeight()+20;
if (tmpH < rev->size().height())
tmpH = rev->size().height();
splitter->resize(rev->size().width(), tmpH);
}
void LinkView::unselectLocations()
{
if (locations) locations->setSelected( locations->selectedItem(), FALSE );
}
void LinkView::unselectHardware()
{
if (hardware) hardware->setSelected( hardware->selectedItem(), FALSE );
}
void LinkView::loadLinks()
{
if (!locations)
return;
TDEConfig config(TQDir::homeDirPath() + "/.qt/baghirarc");
config.setGroup("Sidebar");
splitter->setSizes(config.readIntListEntry ("Sizes"));
loadedLinks = (uint)config.readNumEntry("NumLinks", 0);
locations->blockSignals ( true );
if (loadedLinks == 0) // no settings stored - load defaults
{
locations->insertItem("desktop", i18n("Desktop"), TQDir::homeDirPath()+"/Desktop");
locations->insertItem("folder_home", getenv("USER"), TQDir::homeDirPath());
locations->insertItem("kmenu", i18n("Programs"), "programs:/");
}
TQString num;
for (uint i = 0; i < loadedLinks; i++)
{
TQString title;
TQString icon;
TQString url;
num.setNum(i);
title = config.readEntry("Link_"+num+"_Title", "???");
icon = config.readEntry("Link_"+num+"_Icon", "empty");
url = config.readEntry("Link_"+num+"_URL", TQDir::homeDirPath());
locations->insertItem(icon, title, url);
}
locations->blockSignals ( false );
}
void LinkView::saveLinks()
{
if (!locations)
return;
TDEConfig *config = new TDEConfig(TQDir::homeDirPath() + "/.qt/baghirarc");
config->setGroup("Sidebar");
config->writeEntry("Sizes", splitter->sizes());
config->writeEntry("NumLinks", (int)locations->count());
TQString num;
for (uint i = 0; i < locations->count(); i++)
{
num.setNum(i);
ListBoxLink *current = (ListBoxLink*)locations->item(i);
config->writeEntry("Link_"+num+"_Title", current->text());
config->writeEntry("Link_"+num+"_Icon", current->icon());
config->writeEntry("Link_"+num+"_URL", current->URL());
}
// reduced links, remove them from settings
for (uint i = locations->count(); i < loadedLinks; i++)
{
num.setNum(i);
config->deleteEntry("Link_"+num+"_Title");
config->deleteEntry("Link_"+num+"_Icon");
config->deleteEntry("Link_"+num+"_URL");
}
delete config;
}
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