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tdepim/korganizer/kodaymatrix.cpp

730 lines
20 KiB

/*
This file is part of KOrganizer.
Copyright (c) 2001 Eitzenberger Thomas <thomas.eitzenberger@siemens.at>
Parts of the source code have been copied from kdpdatebutton.cpp
Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
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.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#include <tqevent.h>
#include <tqpainter.h>
#include <tqptrlist.h>
#include <kglobal.h>
#include <kdebug.h>
#include <klocale.h>
#include <kiconloader.h>
#include <libkcal/vcaldrag.h>
#include <libkcal/icaldrag.h>
#include <libkcal/dndfactory.h>
#include <libkcal/calendarresources.h>
#include <libkcal/resourcecalendar.h>
#include <kcalendarsystem.h>
#include "koprefs.h"
#include "koglobals.h"
#include "kodialogmanager.h"
#include "kodaymatrix.h"
#include "kodaymatrix.moc"
#ifndef NODND
#include <tqcursor.h>
#include <kpopupmenu.h>
#include <X11/Xlib.h>
#undef FocusIn
#undef KeyPress
#undef None
#undef Status
#endif
// ============================================================================
// D Y N A M I C T I P
// ============================================================================
DynamicTip::DynamicTip( TQWidget * parent )
: TQToolTip( parent )
{
mMatrix = static_cast<KODayMatrix *>( parent );
}
void DynamicTip::maybeTip( const TQPoint &pos )
{
//calculate which cell of the matrix the mouse is in
TQRect sz = mMatrix->frameRect();
int dheight = sz.height() * 7 / 42;
int dwidth = sz.width() / 7;
int row = pos.y() / dheight;
int col = pos.x() / dwidth;
TQRect rct( col * dwidth, row * dheight, dwidth, dheight );
// kdDebug(5850) << "DynamicTip::maybeTip matrix cell index [" <<
// col << "][" << row << "] => " <<(col+row*7) << endl;
//show holiday names only
TQString str = mMatrix->getHolidayLabel( col + row * 7 );
if ( str.isEmpty() ) return;
tip( rct, str );
}
// ============================================================================
// K O D A Y M A T R I X
// ============================================================================
const int KODayMatrix::NOSELECTION = -1000;
const int KODayMatrix::NUMDAYS = 42;
KODayMatrix::KODayMatrix( TQWidget *parent, const char *name )
: TQFrame( parent, name ), mCalendar( 0 ), mStartDate(), mPendingChanges( false )
{
// initialize dynamic arrays
mDays = new TQDate[ NUMDAYS ];
mDayLabels = new TQString[ NUMDAYS ];
mEvents = new int[ NUMDAYS ];
mToolTip = new DynamicTip( this );
mTodayMarginWidth = 2;
mSelEnd = mSelStart = NOSELECTION;
setBackgroundMode( NoBackground );
recalculateToday();
}
void KODayMatrix::setCalendar( Calendar *cal )
{
if ( mCalendar ) {
mCalendar->unregisterObserver( this );
mCalendar->disconnect( this );
}
mCalendar = cal;
mCalendar->registerObserver( this );
CalendarResources *calres = dynamic_cast<CalendarResources*>( cal );
if ( calres ) {
connect( calres, TQT_SIGNAL(signalResourceAdded(ResourceCalendar *)), TQT_SLOT(resourcesChanged()) );
connect( calres, TQT_SIGNAL(signalResourceModified( ResourceCalendar *)), TQT_SLOT(resourcesChanged()) );
connect( calres, TQT_SIGNAL(signalResourceDeleted(ResourceCalendar *)), TQT_SLOT(resourcesChanged()) );
}
setAcceptDrops( mCalendar );
updateEvents();
}
TQColor KODayMatrix::getShadedColor( const TQColor &color )
{
TQColor shaded;
int h = 0;
int s = 0;
int v = 0;
color.hsv( &h, &s, &v );
s = s / 4;
v = 192 + v / 4;
shaded.setHsv( h, s, v );
return shaded;
}
KODayMatrix::~KODayMatrix()
{
if ( mCalendar )
mCalendar->unregisterObserver( this );
delete [] mDays;
delete [] mDayLabels;
delete [] mEvents;
delete mToolTip;
}
void KODayMatrix::addSelectedDaysTo( DateList &selDays )
{
kdDebug(5850) << "KODayMatrix::addSelectedDaysTo() - " << "mSelStart:" << mSelStart << endl;
if ( mSelStart == NOSELECTION ) {
return;
}
// cope with selection being out of matrix limits at top (< 0)
int i0 = mSelStart;
if ( i0 < 0 ) {
for ( int i = i0; i < 0; i++ ) {
selDays.append( mDays[ 0 ].addDays( i ) );
}
i0 = 0;
}
// cope with selection being out of matrix limits at bottom (> NUMDAYS-1)
if ( mSelEnd > NUMDAYS-1 ) {
for ( int i = i0; i <= NUMDAYS - 1; i++ ) {
selDays.append( mDays[ i ] );
}
for ( int i = NUMDAYS; i < mSelEnd; i++ ) {
selDays.append( mDays[ 0 ].addDays( i ) );
}
} else {
// apply normal routine to selection being entirely within matrix limits
for ( int i = i0; i <= mSelEnd; i++ ) {
selDays.append( mDays[ i ] );
}
}
}
void KODayMatrix::setSelectedDaysFrom( const TQDate &start, const TQDate &end )
{
if ( mStartDate.isValid() ) {
mSelStart = mStartDate.daysTo( start );
mSelEnd = mStartDate.daysTo( end );
}
}
void KODayMatrix::clearSelection()
{
mSelEnd = mSelStart = NOSELECTION;
}
void KODayMatrix::recalculateToday()
{
if ( !mStartDate.isValid() ) return;
mToday = -1;
for ( int i = 0; i < NUMDAYS; i++ ) {
mDays[ i ] = mStartDate.addDays( i );
mDayLabels[ i ] = TQString::number( KOGlobals::self()->calendarSystem()->day( mDays[i] ));
// if today is in the currently displayed month, hilight today
if ( mDays[ i ].year() == TQDate::currentDate().year() &&
mDays[ i ].month() == TQDate::currentDate().month() &&
mDays[ i ].day() == TQDate::currentDate().day() ) {
mToday = i;
}
}
// kdDegug(5850) << "Today is visible at "<< today << "." << endl;
}
/* slot */ void KODayMatrix::updateView()
{
updateView( mStartDate );
}
void KODayMatrix::setUpdateNeeded()
{
mPendingChanges = true;
}
void KODayMatrix::updateView( const TQDate &actdate )
{
kdDebug(5850) << "KODayMatrix::updateView() " << actdate << ", day start="<<mStartDate<< endl;
if ( !actdate.isValid() ) return;
//flag to indicate if the starting day of the matrix has changed by this call
bool daychanged = false;
// if a new startdate is to be set then apply Cornelius's calculation
// of the first day to be shown
if ( actdate != mStartDate ) {
// reset index of selection according to shift of starting date from startdate to actdate
if ( mSelStart != NOSELECTION ) {
int tmp = actdate.daysTo( mStartDate );
//kdDebug(5850) << "Shift of Selection1: " << mSelStart << " - " << mSelEnd << " -> " << tmp << "(" << offset << ")" << endl;
// shift selection if new one would be visible at least partly !
if ( mSelStart + tmp < NUMDAYS && mSelEnd + tmp >= 0 ) {
// nested if is required for next X display pushed from a different month - correction required
// otherwise, for month forward and backward, it must be avoided
if( mSelStart > NUMDAYS || mSelStart < 0 )
mSelStart = mSelStart + tmp;
if( mSelEnd > NUMDAYS || mSelEnd < 0 )
mSelEnd = mSelEnd + tmp;
}
}
mStartDate = actdate;
daychanged = true;
}
if ( daychanged ) {
recalculateToday();
}
// the calendar hasn't changed in the meantime and the selected range is still the same
// so we can safe the expensive updateEvents() call
if ( !daychanged && !mPendingChanges )
return;
// TODO_Recurrence: If we just change the selection, but not the data, there's
// no need to update the whole list of events... This is just a waste of
// computational power (and it takes forever!)
updateEvents();
for( int i = 0; i < NUMDAYS; i++ ) {
//if it is a holy day then draw it red. Sundays are consider holidays, too
TQStringList holidays = KOGlobals::self()->holiday( mDays[ i ] );
TQString holiStr = TQString();
if ( ( KOGlobals::self()->calendarSystem()->dayOfWeek( mDays[ i ] ) ==
KOGlobals::self()->calendarSystem()->weekDayOfPray() ) ||
!holidays.isEmpty() ) {
if ( !holidays.isEmpty() ) holiStr = holidays.join( i18n("delimiter for joining holiday names", ", " ) );
if ( holiStr.isNull() ) holiStr = "";
}
mHolidays[ i ] = holiStr;
}
}
void KODayMatrix::updateEvents()
{
kdDebug( 5850 ) << k_funcinfo << endl;
if ( !mCalendar ) return;
for( int i = 0; i < NUMDAYS; i++ ) {
// if events are set for the day then remember to draw it bold
Event::List eventlist = mCalendar->events( mDays[ i ] );
int numEvents = eventlist.count();
Event::List::ConstIterator it;
for( it = eventlist.begin(); it != eventlist.end(); ++it ) {
Event *event = *it;
ushort recurType = event->recurrenceType();
if ( ( recurType == Recurrence::rDaily &&
!KOPrefs::instance()->mDailyRecur ) ||
( recurType == Recurrence::rWeekly &&
!KOPrefs::instance()->mWeeklyRecur ) ) {
numEvents--;
}
}
mEvents[ i ] = numEvents;
}
mPendingChanges = false;
}
const TQDate& KODayMatrix::getDate( int offset )
{
if ( offset < 0 || offset > NUMDAYS - 1 ) {
kdDebug(5850) << "Wrong offset (" << offset << ") in KODayMatrix::getDate(int)" << endl;
return mDays[ 0 ];
}
return mDays[ offset ];
}
TQString KODayMatrix::getHolidayLabel( int offset )
{
if ( offset < 0 || offset > NUMDAYS - 1 ) {
kdDebug(5850) << "Wrong offset (" << offset << ") in KODayMatrix::getHolidayLabel(int)" << endl;
return 0;
}
return mHolidays[ offset ];
}
int KODayMatrix::getDayIndexFrom( int x, int y )
{
return 7 * ( y / mDaySize.height() ) +
( KOGlobals::self()->reverseLayout() ?
6 - x / mDaySize.width() : x / mDaySize.width() );
}
void KODayMatrix::calendarIncidenceAdded(Incidence * incidence)
{
Q_UNUSED( incidence );
mPendingChanges = true;
}
void KODayMatrix::calendarIncidenceChanged(Incidence * incidence)
{
Q_UNUSED( incidence );
mPendingChanges = true;
}
void KODayMatrix::calendarIncidenceDeleted(Incidence * incidence)
{
Q_UNUSED( incidence );
mPendingChanges = true;
}
void KODayMatrix::resourcesChanged()
{
mPendingChanges = true;
}
// ----------------------------------------------------------------------------
// M O U S E E V E N T H A N D L I N G
// ----------------------------------------------------------------------------
void KODayMatrix::mousePressEvent( TQMouseEvent *e )
{
mSelStart = getDayIndexFrom(e->x(), e->y());
if (mSelStart > NUMDAYS-1) mSelStart=NUMDAYS-1;
mSelInit = mSelStart;
}
void KODayMatrix::mouseReleaseEvent( TQMouseEvent *e )
{
int tmp = getDayIndexFrom(e->x(), e->y());
if (tmp > NUMDAYS-1) tmp=NUMDAYS-1;
if (mSelInit > tmp) {
mSelEnd = mSelInit;
if (tmp != mSelStart) {
mSelStart = tmp;
repaint();
}
} else {
mSelStart = mSelInit;
//repaint only if selection has changed
if (tmp != mSelEnd) {
mSelEnd = tmp;
repaint();
}
}
DateList daylist;
if ( mSelStart < 0 ) mSelStart = 0;
for ( int i = mSelStart; i <= mSelEnd; ++i ) {
daylist.append( mDays[i] );
}
emit selected((const DateList)daylist);
}
void KODayMatrix::mouseMoveEvent( TQMouseEvent *e )
{
int tmp = getDayIndexFrom(e->x(), e->y());
if (tmp > NUMDAYS-1) tmp=NUMDAYS-1;
if (mSelInit > tmp) {
mSelEnd = mSelInit;
if ( tmp != mSelStart ) {
mSelStart = tmp;
repaint();
}
} else {
mSelStart = mSelInit;
//repaint only if selection has changed
if ( tmp != mSelEnd ) {
mSelEnd = tmp;
repaint();
}
}
}
// ----------------------------------------------------------------------------
// D R A G ' N D R O P H A N D L I N G
// ----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Drag and Drop handling -- based on the Troll Tech dirview example
enum {
DRAG_COPY = 0,
DRAG_MOVE = 1,
DRAG_CANCEL = 2
};
void KODayMatrix::dragEnterEvent( TQDragEnterEvent *e )
{
#ifndef KORG_NODND
if ( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) ) {
e->ignore();
return;
}
// some visual feedback
// oldPalette = palette();
// setPalette(my_HilitePalette);
// update();
#endif
}
void KODayMatrix::dragMoveEvent( TQDragMoveEvent *e )
{
#ifndef KORG_NODND
if ( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) ) {
e->ignore();
return;
}
e->accept();
#endif
}
void KODayMatrix::dragLeaveEvent( TQDragLeaveEvent * /*dl*/ )
{
#ifndef KORG_NODND
// setPalette(oldPalette);
// update();
#endif
}
void KODayMatrix::dropEvent( TQDropEvent *e )
{
#ifndef KORG_NODND
kdDebug(5850) << "KODayMatrix::dropEvent(e) begin" << endl;
if ( !mCalendar ||
( !ICalDrag::canDecode( e ) && !VCalDrag::canDecode( e ) ) ) {
e->ignore();
return;
}
DndFactory factory( mCalendar );
Event *event = factory.createDrop( e );
Todo *todo = factory.createDropTodo( e );
if ( !event && !todo ) {
e->ignore();
return;
}
Todo *existingTodo = 0;
Event *existingEvent = 0;
// Find the incidence in the calendar, then we don't need the drag object any more
if ( event ) existingEvent = mCalendar->event( event->uid() );
if ( todo ) existingTodo = mCalendar->todo( todo->uid() );
int action = DRAG_CANCEL;
int root_x, root_y, win_x, win_y;
uint keybstate;
Window rootw, childw;
XQueryPointer( tqt_xdisplay(), tqt_xrootwin(), &rootw, &childw,
&root_x, &root_y, &win_x, &win_y, &keybstate );
if ( keybstate & ControlMask ) {
action = DRAG_COPY;
} else if ( keybstate & ShiftMask ) {
action = DRAG_MOVE;
} else {
KPopupMenu *menu = new KPopupMenu( this );
if ( existingEvent || existingTodo ) {
menu->insertItem( i18n("Move"), DRAG_MOVE, 0 );
if (existingEvent)
menu->insertItem( KOGlobals::self()->smallIcon("editcopy"), i18n("Copy"), DRAG_COPY, 1 );
} else {
menu->insertItem( i18n("Add"), DRAG_MOVE, 0 );
}
menu->insertSeparator();
menu->insertItem( KOGlobals::self()->smallIcon("cancel"), i18n("Cancel"), DRAG_CANCEL, 3 );
action = menu->exec( TQCursor::pos(), 0 );
}
if ( action == DRAG_COPY || action == DRAG_MOVE ) {
e->accept();
int idx = getDayIndexFrom( e->pos().x(), e->pos().y() );
if ( action == DRAG_COPY ) {
if ( event ) emit incidenceDropped( event, mDays[idx] );
if ( todo ) emit incidenceDropped( todo, mDays[idx] );
} else if ( action == DRAG_MOVE ) {
if ( event ) emit incidenceDroppedMove( event, mDays[idx] );
if ( todo ) emit incidenceDroppedMove( todo, mDays[idx] );
}
}
delete event;
delete todo;
#endif
}
// ----------------------------------------------------------------------------
// P A I N T E V E N T H A N D L I N G
// ----------------------------------------------------------------------------
void KODayMatrix::paintEvent( TQPaintEvent * )
{
// kdDebug(5850) << "KODayMatrix::paintEvent() BEGIN" << endl;
TQPainter p;
TQRect sz = frameRect();
TQPixmap pm( sz.size() );
int dheight = mDaySize.height();
int dwidth = mDaySize.width();
int row,col;
int selw, selh;
bool isRTL = KOGlobals::self()->reverseLayout();
TQColorGroup cg = palette().active();
p.begin( &pm, this );
pm.fill( cg.base() );
// draw topleft frame
p.setPen( cg.mid() );
p.drawRect(0, 0, sz.width()-1, sz.height()-1);
// don't paint over borders
p.translate(1,1);
// draw selected days with highlighted background color
if (mSelStart != NOSELECTION) {
row = mSelStart/7;
// fix larger selections starting in the previous month
if ( row < 0 && mSelEnd > 0 ) row = 0;
col = mSelStart -row*7;
TQColor selcol = KOPrefs::instance()->mHighlightColor;
if ( row < 6 && row >= 0 ) {
if (row == mSelEnd/7) {
// Single row selection
p.fillRect(isRTL ? (7 - (mSelEnd-mSelStart+1) - col)*dwidth : col*dwidth,
row*dheight, (mSelEnd-mSelStart+1)*dwidth, dheight, selcol);
} else {
// draw first row to the right
p.fillRect(isRTL ? 0 : col*dwidth, row*dheight, (7-col)*dwidth,
dheight, selcol);
// draw full block till last line
selh = mSelEnd/7-row;
if ( selh + row >= 6 ) selh = 6-row;
if ( selh > 1 ) {
p.fillRect(0, (row+1)*dheight, 7*dwidth, (selh-1)*dheight,selcol);
}
// draw last block from left to mSelEnd
if ( mSelEnd/7 < 6 ) {
selw = mSelEnd-7*(mSelEnd/7)+1;
p.fillRect(isRTL ? (7-selw)*dwidth : 0, (row+selh)*dheight,
selw*dwidth, dheight, selcol);
}
}
}
}
// iterate over all days in the matrix and draw the day label in appropriate colors
TQColor textColor = cg.text();
TQColor textColorShaded = getShadedColor( textColor );
TQColor actcol = textColorShaded;
p.setPen(actcol);
TQPen tmppen;
for ( int i = 0; i < NUMDAYS; ++i ) {
row = i/7;
col = isRTL ? 6-(i-row*7) : i-row*7;
// if it is the first day of a month switch color from normal to shaded and vice versa
if ( KOGlobals::self()->calendarSystem()->day( mDays[i] ) == 1) {
if (actcol == textColorShaded) {
actcol = textColor;
} else {
actcol = textColorShaded;
}
p.setPen(actcol);
}
//Reset pen color after selected days block
if (i == mSelEnd+1) {
p.setPen(actcol);
}
bool holiday = ! KOGlobals::self()->isWorkDay( mDays[ i ] );
TQColor holidayColorShaded = getShadedColor( KOPrefs::instance()->mHolidayColor );
// if today then draw rectangle around day
if (mToday == i) {
tmppen = p.pen();
TQPen mTodayPen(p.pen());
mTodayPen.setWidth(mTodayMarginWidth);
//draw red rectangle for holidays
if (holiday) {
if (actcol == textColor) {
mTodayPen.setColor(KOPrefs::instance()->mHolidayColor);
} else {
mTodayPen.setColor(holidayColorShaded);
}
}
//draw gray rectangle for today if in selection
if (i >= mSelStart && i <= mSelEnd) {
TQColor grey("grey");
mTodayPen.setColor(grey);
}
p.setPen(mTodayPen);
p.drawRect(col*dwidth, row*dheight, dwidth, dheight);
p.setPen(tmppen);
}
// if any events are on that day then draw it using a bold font
if (mEvents[i] > 0) {
TQFont myFont = font();
myFont.setBold(true);
p.setFont(myFont);
}
// if it is a holiday then use the default holiday color
if (holiday) {
if (actcol == textColor) {
p.setPen(KOPrefs::instance()->mHolidayColor);
} else {
p.setPen(holidayColorShaded);
}
}
// draw selected days with special color
if ( i >= mSelStart && i <= mSelEnd && !holiday ) {
p.setPen( TQColor( "white" ) );
}
p.drawText(col*dwidth, row*dheight, dwidth, dheight,
TQt::AlignHCenter | TQt::AlignVCenter, mDayLabels[i]);
// reset color to actual color
if ( holiday ) {
p.setPen(actcol);
}
// reset bold font to plain font
if (mEvents[i] > 0) {
TQFont myFont = font();
myFont.setBold(false);
p.setFont(myFont);
}
}
p.end();
bitBlt( this, 0, 0, &pm );
}
// ----------------------------------------------------------------------------
// R E SI Z E E V E N T H A N D L I N G
// ----------------------------------------------------------------------------
void KODayMatrix::resizeEvent( TQResizeEvent * )
{
TQRect sz = frameRect();
mDaySize.setHeight( sz.height() * 7 / NUMDAYS );
mDaySize.setWidth( sz.width() / 7 );
}
/* static */
TQPair<TQDate,TQDate> KODayMatrix::matrixLimits( const TQDate &month )
{
const KCalendarSystem *calSys = KOGlobals::self()->calendarSystem();
TQDate d = month;
calSys->setYMD( d, calSys->year( month ), calSys->month( month ), 1 );
const int dayOfWeek = calSys->dayOfWeek( d );
const int weekstart = KGlobal::locale()->weekStartDay();
d = d.addDays( weekstart - dayOfWeek );
if ( dayOfWeek == weekstart ) {
d = d.addDays( -7 ); // Start on the second line
}
return tqMakePair( d, d.addDays( NUMDAYS-1 ) );
}