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tdebase/kate/app/katefilelist.cpp

759 lines
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/* This file is part of the KDE project
Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
Copyright (C) 2001 Anders Lund <anders.lund@lund.tdcadsl.dk>
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.
*/
//BEGIN Includes
#include "katefilelist.h"
#include "katefilelist.moc"
#include "katedocmanager.h"
#include "kateviewmanager.h"
#include "katemainwindow.h"
#include <tqapplication.h>
#include <tqpainter.h>
#include <tqpopupmenu.h>
#include <tqheader.h>
#include <tqcolor.h>
#include <tqcheckbox.h>
#include <tqhbox.h>
#include <tqlayout.h>
#include <tqgroupbox.h>
#include <tqlabel.h>
#include <tqwhatsthis.h>
#include <kiconloader.h>
#include <tdeconfig.h>
#include <tdelocale.h>
#include <tdeglobalsettings.h>
#include <kpassivepopup.h>
#include <kdebug.h>
#include <tdeapplication.h>
#include <kstringhandler.h>
#include <kcolorbutton.h>
#include <kdialog.h>
//END Includes
//BEGIN ToolTip
class ToolTip : public TQToolTip
{
public:
ToolTip( TQWidget *parent, KateFileList *lv )
: TQToolTip( parent ),
m_listView( lv )
{
}
virtual ~ToolTip() {};
void maybeTip( const TQPoint &pos )
{
TQListViewItem *i = m_listView->itemAt( pos );
if ( ! i ) return;
KateFileListItem *item = ((KateFileListItem*)i);
if ( ! item ) return;
tip( m_listView->itemRect( i ), m_listView->tooltip( item, 0 ) );
}
private:
KateFileList *m_listView;
};
//END ToolTip
//BEGIN KateFileList
KateFileList::KateFileList (KateMainWindow *main,
KateViewManager *_viewManager,
TQWidget * parent, const char * name )
: TDEListView (parent, name)
, m_sort( KateFileList::sortByID )
{
m_main = main;
m_tooltip = new ToolTip( viewport(), this );
// default colors
m_viewShade = TQColor( 51, 204, 255 );
m_editShade = TQColor( 255, 102, 153 );
m_enableBgShading = false;
setFocusPolicy ( TQWidget::NoFocus );
viewManager = _viewManager;
header()->hide();
addColumn("Document Name");
setSelectionMode( TQListView::Single );
setSortType(KateFileList::sortByID);
setShowToolTips( false );
setupActions ();
connect(this,TQT_SIGNAL(moved()),this,TQT_SLOT(updateFileListLocations()));
for (uint i = 0; i < KateDocManager::self()->documents(); i++)
{
slotDocumentCreated (KateDocManager::self()->document(i));
slotModChanged (KateDocManager::self()->document(i));
}
connect(KateDocManager::self(),TQT_SIGNAL(documentCreated(Kate::Document *)),
this,TQT_SLOT(slotDocumentCreated(Kate::Document *)));
connect(KateDocManager::self(),TQT_SIGNAL(documentDeleted(uint)),
this,TQT_SLOT(slotDocumentDeleted(uint)));
// don't Honour KDE single/double click setting, this files are already open,
// no need for hassle of considering double-click
connect(this,TQT_SIGNAL(selectionChanged(TQListViewItem *)),
this,TQT_SLOT(slotActivateView(TQListViewItem *)));
connect(viewManager,TQT_SIGNAL(viewChanged()), this,TQT_SLOT(slotViewChanged()));
connect(this,TQT_SIGNAL(contextMenuRequested( TQListViewItem *, const TQPoint &, int )),
this,TQT_SLOT(slotMenu ( TQListViewItem *, const TQPoint &, int )));
}
KateFileList::~KateFileList ()
{
delete m_tooltip;
}
void KateFileList::setupActions ()
{
windowNext = KStdAction::back(TQT_TQOBJECT(this), TQT_SLOT(slotPrevDocument()), m_main->actionCollection());
windowPrev = KStdAction::forward(TQT_TQOBJECT(this), TQT_SLOT(slotNextDocument()), m_main->actionCollection());
sortAction = new TDESelectAction( i18n("Sort &By"), 0,
m_main->actionCollection(), "filelist_sortby" );
listMoveFileUp = new TDEAction( i18n("Move File Up"), 0, m_main->actionCollection(), "filelist_move_up" );
//listMoveFileUp->setShortcut(TDEShortcut(CTRL + SHIFT + Key_Comma));
listMoveFileDown = new TDEAction( i18n("Move File Down"), 0, m_main->actionCollection(), "filelist_move_down" );
//listMoveFileDown->setShortcut(TDEShortcut(CTRL + SHIFT + Key_Period));
connect( listMoveFileUp, TQT_SIGNAL(activated()), TQT_TQOBJECT(this), TQT_SLOT(moveFileUp()) );
connect( listMoveFileDown, TQT_SIGNAL(activated()), TQT_TQOBJECT(this), TQT_SLOT(moveFileDown()) );
TQStringList l;
l << i18n("Opening Order") << i18n("Document Name") << i18n("URL") << i18n("Manual Placement");
sortAction->setItems( l );
connect( sortAction, TQT_SIGNAL(activated(int)), TQT_TQOBJECT(this), TQT_SLOT(setSortType(int)) );
}
void KateFileList::updateActions ()
{
windowNext->setEnabled(KateDocManager::self()->documents() > 1);
windowPrev->setEnabled(KateDocManager::self()->documents() > 1);
}
void KateFileList::keyPressEvent(TQKeyEvent *e) {
if ( ( e->key() == Key_Return ) || ( e->key() == Key_Enter ) )
{
e->accept();
slotActivateView( currentItem() );
}
else
{
TDEListView::keyPressEvent(e);
}
}
// Protect single mode selection: don't let them
// leftclick outside items.
// ### if we get to accept keyboard navigation, set focus before
// returning
void KateFileList::contentsMousePressEvent( TQMouseEvent *e )
{
m_lastMouseDownPos = e->pos();
if ( ! itemAt( contentsToViewport( e->pos() ) ) )
return;
TDEListView::contentsMousePressEvent( e );
}
void KateFileList::resizeEvent( TQResizeEvent *e )
{
TDEListView::resizeEvent( e );
// ### We may want to actually calculate the widest field,
// since it's not automatically scrinked. If I add support for
// tree or marks, the changes of the required width will vary
// a lot with opening/closing of files and display changes for
// the mark branches.
int w = viewport()->width();
if ( columnWidth( 0 ) < w )
setColumnWidth( 0, w );
}
void KateFileList::slotNextDocument()
{
if ( ! currentItem() || childCount() == 0 )
return;
// ### more checking once more item types are added
if ( currentItem()->nextSibling() )
viewManager->activateView( ((KateFileListItem*)currentItem()->nextSibling())->documentNumber() );
else
viewManager->activateView( ((KateFileListItem *)firstChild())->documentNumber() );
}
void KateFileList::slotPrevDocument()
{
if ( ! currentItem() || childCount() == 0 )
return;
// ### more checking once more item types are added
if ( currentItem()->itemAbove() )
viewManager->activateView( ((KateFileListItem*)currentItem()->itemAbove())->documentNumber() );
else
viewManager->activateView( ((KateFileListItem *)lastItem())->documentNumber() );
}
void KateFileList::slotDocumentCreated (Kate::Document *doc)
{
new KateFileListItem( this, doc/*, doc->documentNumber()*/ );
connect(doc,TQT_SIGNAL(modStateChanged(Kate::Document *)),this,TQT_SLOT(slotModChanged(Kate::Document *)));
connect(doc,TQT_SIGNAL(nameChanged(Kate::Document *)),this,TQT_SLOT(slotNameChanged(Kate::Document *)));
connect(doc,TQT_SIGNAL(modifiedOnDisc(Kate::Document *, bool, unsigned char)),this,TQT_SLOT(slotModifiedOnDisc(Kate::Document *, bool, unsigned char)));
sort();
updateFileListLocations();
updateActions ();
}
void KateFileList::slotDocumentDeleted (uint documentNumber)
{
TQListViewItem * item = firstChild();
while( item ) {
if ( ((KateFileListItem *)item)->documentNumber() == documentNumber )
{
// m_viewHistory.removeRef( (KateFileListItem *)item );
// m_editHistory.removeRef( (KateFileListItem *)item );
removeItem( item );
break;
}
item = item->nextSibling();
}
updateFileListLocations();
updateActions ();
}
void KateFileList::slotActivateView( TQListViewItem *item )
{
if ( ! item || item->rtti() != RTTI_KateFileListItem )
return;
KateFileListItem *i = ((KateFileListItem*)item);
const KateDocumentInfo *info = KateDocManager::self()->documentInfo(i->document());
if (info && info->modifiedOnDisc) {
// Simulate mouse button release, otherwise the paused DND operation
// will reactivate as soon as the mouse re-enters the list view!
TQMouseEvent e(TQEvent::MouseButtonRelease, m_lastMouseDownPos, TQt::LeftButton, 0);
contentsMouseReleaseEvent(&e);
}
viewManager->activateView( i->documentNumber() );
}
void KateFileList::slotModChanged (Kate::Document *doc)
{
if (!doc) return;
TQListViewItem * item = firstChild();
while( item )
{
if ( ((KateFileListItem *)item)->documentNumber() == doc->documentNumber() )
break;
item = item->nextSibling();
}
if ( ((KateFileListItem *)item)->document()->isModified() )
{
m_editHistory.removeRef( (KateFileListItem *)item );
m_editHistory.prepend( (KateFileListItem *)item );
for ( uint i=0; i < m_editHistory.count(); i++ )
{
m_editHistory.at( i )->setEditHistPos( i+1 );
repaintItem( m_editHistory.at( i ) );
}
}
else
repaintItem( item );
}
void KateFileList::slotModifiedOnDisc (Kate::Document *doc, bool, unsigned char)
{
slotModChanged( doc );
}
void KateFileList::slotNameChanged (Kate::Document *doc)
{
if (!doc) return;
// ### using nextSibling to *only* look at toplevel items.
// child items could be marks for example
TQListViewItem * item = firstChild();
while( item ) {
if ( ((KateFileListItem*)item)->document() == doc )
{
item->setText( 0, doc->docName() );
repaintItem( item );
break;
}
item = item->nextSibling();
}
updateSort();
}
void KateFileList::slotViewChanged ()
{
if (!viewManager->activeView()) return;
Kate::View *view = viewManager->activeView();
uint dn = view->getDoc()->documentNumber();
TQListViewItem * i = firstChild();
while( i ) {
if ( ((KateFileListItem *)i)->documentNumber() == dn )
{
break;
}
i = i->nextSibling();
}
if ( ! i )
return;
KateFileListItem *item = (KateFileListItem*)i;
setCurrentItem( item );
// ### During load of file lists, all the loaded views gets active.
// Do something to avoid shading them -- maybe not creating views, just
// open the documents???
// int p = 0;
// if ( m_viewHistory.count() )
// {
// int p = m_viewHistory.findRef( item ); // only repaint items that needs it
// }
m_viewHistory.removeRef( item );
m_viewHistory.prepend( item );
for ( uint i=0; i < m_viewHistory.count(); i++ )
{
m_viewHistory.at( i )->setViewHistPos( i+1 );
repaintItem( m_viewHistory.at( i ) );
}
updateFileListLocations();
}
void KateFileList::updateFileListLocations()
{
TQListViewItem* item = firstChild();
int i=0;
while (item) {
Kate::Document* itemDocument = ((KateFileListItem *)item)->document();
if (m_sort == KateFileList::sortManual) {
if (KateDocManager::self()->findDocument(itemDocument) >= 0) {
itemDocument->setDocumentListPosition(i);
}
}
else {
if (KateDocManager::self()->findDocument(itemDocument) >= 0) {
itemDocument->setDocumentListPosition(-1);
}
}
item = item->itemBelow();
i++;
}
}
void KateFileList::slotMenu ( TQListViewItem *item, const TQPoint &p, int /*col*/ )
{
if (!item)
return;
m_clickedMenuItem = item;
if (m_clickedMenuItem->itemAbove()) {
listMoveFileUp->setEnabled(true);
}
else {
listMoveFileUp->setEnabled(false);
}
if (m_clickedMenuItem->itemBelow()) {
listMoveFileDown->setEnabled(true);
}
else {
listMoveFileDown->setEnabled(false);
}
TQPopupMenu *menu = (TQPopupMenu*) ((viewManager->mainWindow())->factory()->container("filelist_popup", viewManager->mainWindow()));
if (menu) {
menu->exec(p);
}
}
TQString KateFileList::tooltip( TQListViewItem *item, int )
{
KateFileListItem *i = ((KateFileListItem*)item);
if ( ! i ) return TQString::null;
TQString str;
const KateDocumentInfo *info = KateDocManager::self()->documentInfo(i->document());
if (info && info->modifiedOnDisc)
{
if (info->modifiedOnDiscReason == 1)
str += i18n("<b>This file was changed (modified) on disk by another program.</b><br />");
else if (info->modifiedOnDiscReason == 2)
str += i18n("<b>This file was changed (created) on disk by another program.</b><br />");
else if (info->modifiedOnDiscReason == 3)
str += i18n("<b>This file was changed (deleted) on disk by another program.</b><br />");
}
str += i->document()->url().prettyURL();
return str;
}
void KateFileList::setSortType (int s)
{
m_sort = s;
if (m_sort == KateFileList::sortManual) {
setSorting( -1, true );
setDragEnabled(true);
setAcceptDrops(true);
}
else {
setSorting( 0, true );
setDragEnabled(false);
setAcceptDrops(false);
updateSort ();
}
}
void KateFileList::moveFileUp()
{
if (m_clickedMenuItem) {
sortAction->setCurrentItem(KateFileList::sortManual);
setSortType(KateFileList::sortManual);
TQListViewItem* nitemabove = m_clickedMenuItem->itemAbove();
if (nitemabove) {
nitemabove = nitemabove->itemAbove();
if (nitemabove) {
m_clickedMenuItem->moveItem(nitemabove);
}
else {
// Qt made this hard
nitemabove = m_clickedMenuItem->itemAbove();
nitemabove->moveItem(m_clickedMenuItem);
}
}
}
updateFileListLocations();
}
void KateFileList::moveFileDown()
{
if (m_clickedMenuItem) {
sortAction->setCurrentItem(KateFileList::sortManual);
setSortType(KateFileList::sortManual);
TQListViewItem* nitemabove = m_clickedMenuItem->itemBelow();
if (nitemabove) {
m_clickedMenuItem->moveItem(nitemabove);
}
}
updateFileListLocations();
}
void KateFileList::updateSort ()
{
sort ();
updateFileListLocations();
}
void KateFileList::readConfig( TDEConfig *config, const TQString &group )
{
TQString oldgroup = config->group();
config->setGroup( group );
setSortType( config->readNumEntry( "Sort Type", sortByID ) );
m_viewShade = config->readColorEntry( "View Shade", &m_viewShade );
m_editShade = config->readColorEntry( "Edit Shade", &m_editShade );
m_enableBgShading = config->readBoolEntry( "Shading Enabled", &m_enableBgShading );
sortAction->setCurrentItem( sortType() );
config->setGroup( oldgroup );
}
void KateFileList::writeConfig( TDEConfig *config, const TQString &group )
{
TQString oldgroup = config->group();
config->setGroup( group );
config->writeEntry( "Sort Type", m_sort );
config->writeEntry( "View Shade", m_viewShade );
config->writeEntry( "Edit Shade", m_editShade );
config->writeEntry( "Shading Enabled", m_enableBgShading );
config->setGroup( oldgroup );
}
void KateFileList::takeItem( TQListViewItem *item )
{
if ( item->rtti() == RTTI_KateFileListItem )
{
m_editHistory.removeRef( (KateFileListItem*)item );
m_viewHistory.removeRef( (KateFileListItem*)item );
}
TQListView::takeItem( item );
}
//END KateFileList
//BEGIN KateFileListItem
KateFileListItem::KateFileListItem( TQListView* lv,
Kate::Document *_doc )
: TQListViewItem( lv, _doc->docName() ),
doc( _doc ),
m_viewhistpos( 0 ),
m_edithistpos( 0 ),
m_docNumber( _doc->documentNumber() )
{
// Move this document to the end of the list where it belongs
TQListViewItem* lastitem = lv->lastItem();
if (lastitem) {
moveItem(lastitem);
}
}
KateFileListItem::~KateFileListItem()
{
}
const TQPixmap *KateFileListItem::pixmap ( int column ) const
{
if ( column == 0) {
static TQPixmap noPm = SmallIcon ("null");
static TQPixmap modPm = SmallIcon("modified");
static TQPixmap discPm = SmallIcon("modonhd");
static TQPixmap modmodPm = SmallIcon("modmod");
const KateDocumentInfo *info = KateDocManager::self()->documentInfo(doc);
if (info && info->modifiedOnDisc)
return doc->isModified() ? &modmodPm : &discPm;
else
return doc->isModified() ? &modPm : &noPm;
}
return 0;
}
void KateFileListItem::paintCell( TQPainter *painter, const TQColorGroup & cg, int column, int width, int align )
{
KateFileList *fl = (KateFileList*)listView();
if ( ! fl ) return;
if ( column == 0 )
{
TQColorGroup cgNew = cg;
// replace the base color with a different shading if necessary...
if ( fl->shadingEnabled() && m_viewhistpos > 1 )
{
TQColor b( cg.base() );
TQColor shade = fl->viewShade();
TQColor eshade = fl->editShade();
int hc = fl->histCount();
// If this file is in the edit history, blend in the eshade
// color. The blend is weighted by the position in the editing history
if ( fl->shadingEnabled() && m_edithistpos > 0 )
{
int ec = fl->editHistCount();
int v = hc-m_viewhistpos;
int e = ec-m_edithistpos+1;
e = e*e;
int n = TQMAX(v + e, 1);
shade.setRgb(
((shade.red()*v) + (eshade.red()*e))/n,
((shade.green()*v) + (eshade.green()*e))/n,
((shade.blue()*v) + (eshade.blue()*e))/n
);
}
// blend in the shade color.
// max transperancy < .5, latest is most colored.
float t = (0.5/hc)*(hc-m_viewhistpos+1);
b.setRgb(
(int)((b.red()*(1-t)) + (shade.red()*t)),
(int)((b.green()*(1-t)) + (shade.green()*t)),
(int)((b.blue()*(1-t)) + (shade.blue()*t))
);
cgNew.setColor(TQColorGroup::Base, b);
}
TQListViewItem::paintCell( painter, cgNew, column, width, align );
}
else
TQListViewItem::paintCell( painter, cg, column, width, align );
}
int KateFileListItem::compare ( TQListViewItem * i, int col, bool ascending ) const
{
if ( i->rtti() == RTTI_KateFileListItem )
{
switch( ((KateFileList*)listView())->sortType() )
{
case KateFileList::sortByID:
{
int d = (int)doc->documentNumber() - ((KateFileListItem*)i)->documentNumber();
return ascending ? d : -d;
break;
}
case KateFileList::sortByURL:
return doc->url().prettyURL().compare( ((KateFileListItem*)i)->document()->url().prettyURL() );
break;
default:
return TQListViewItem::compare( i, col, ascending );
}
}
return 0;
}
//END KateFileListItem
//BEGIN KFLConfigPage
KFLConfigPage::KFLConfigPage( TQWidget* parent, const char *name, KateFileList *fl )
: Kate::ConfigPage( parent, name ),
m_filelist( fl ),
m_changed( false )
{
TQVBoxLayout *lo1 = new TQVBoxLayout( this );
int spacing = KDialog::spacingHint();
lo1->setSpacing( spacing );
TQGroupBox *gb = new TQGroupBox( 1, TQt::Horizontal, i18n("Background Shading"), this );
lo1->addWidget( gb );
TQWidget *g = new TQWidget( gb );
TQGridLayout *lo = new TQGridLayout( g, 2, 2 );
lo->setSpacing( KDialog::spacingHint() );
cbEnableShading = new TQCheckBox( i18n("&Enable background shading"), g );
lo->addMultiCellWidget( cbEnableShading, 1, 1, 0, 1 );
kcbViewShade = new KColorButton( g );
lViewShade = new TQLabel( kcbViewShade, i18n("&Viewed documents' shade:"), g );
lo->addWidget( lViewShade, 2, 0 );
lo->addWidget( kcbViewShade, 2, 1 );
kcbEditShade = new KColorButton( g );
lEditShade = new TQLabel( kcbEditShade, i18n("&Modified documents' shade:"), g );
lo->addWidget( lEditShade, 3, 0 );
lo->addWidget( kcbEditShade, 3, 1 );
// sorting
TQHBox *hbSorting = new TQHBox( this );
lo1->addWidget( hbSorting );
lSort = new TQLabel( i18n("&Sort by:"), hbSorting );
cmbSort = new TQComboBox( hbSorting );
lSort->setBuddy( cmbSort );
TQStringList l;
l << i18n("Opening Order") << i18n("Document Name") << i18n("URL");
cmbSort->insertStringList( l );
lo1->insertStretch( -1, 10 );
TQWhatsThis::add( cbEnableShading, i18n(
"When background shading is enabled, documents that have been viewed "
"or edited within the current session will have a shaded background. "
"The most recent documents have the strongest shade.") );
TQWhatsThis::add( kcbViewShade, i18n(
"Set the color for shading viewed documents.") );
TQWhatsThis::add( kcbEditShade, i18n(
"Set the color for modified documents. This color is blended into "
"the color for viewed files. The most recently edited documents get "
"most of this color.") );
TQWhatsThis::add( cmbSort, i18n(
"Set the sorting method for the documents.") );
reload();
slotEnableChanged();
connect( cbEnableShading, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotMyChanged()) );
connect( cbEnableShading, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(slotEnableChanged()) );
connect( kcbViewShade, TQT_SIGNAL(changed(const TQColor&)), this, TQT_SLOT(slotMyChanged()) );
connect( kcbEditShade, TQT_SIGNAL(changed(const TQColor&)), this, TQT_SLOT(slotMyChanged()) );
connect( cmbSort, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotMyChanged()) );
}
void KFLConfigPage::apply()
{
if ( ! m_changed )
return;
m_changed = false;
// Change settings in the filelist
m_filelist->m_viewShade = kcbViewShade->color();
m_filelist->m_editShade = kcbEditShade->color();
m_filelist->m_enableBgShading = cbEnableShading->isChecked();
m_filelist->setSortType( cmbSort->currentItem() );
// repaint the affected items
m_filelist->triggerUpdate();
}
void KFLConfigPage::reload()
{
// read in from config file
TDEConfig *config = kapp->config();
config->setGroup( "Filelist" );
cbEnableShading->setChecked( config->readBoolEntry("Shading Enabled", &m_filelist->m_enableBgShading ) );
kcbViewShade->setColor( config->readColorEntry("View Shade", &m_filelist->m_viewShade ) );
kcbEditShade->setColor( config->readColorEntry("Edit Shade", &m_filelist->m_editShade ) );
cmbSort->setCurrentItem( m_filelist->sortType() );
m_changed = false;
}
void KFLConfigPage::slotEnableChanged()
{
kcbViewShade->setEnabled( cbEnableShading->isChecked() );
kcbEditShade->setEnabled( cbEnableShading->isChecked() );
lViewShade->setEnabled( cbEnableShading->isChecked() );
lEditShade->setEnabled( cbEnableShading->isChecked() );
}
void KFLConfigPage::slotMyChanged()
{
m_changed = true;
slotChanged();
}
//END KFLConfigPage