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tdepim/korganizer/koagenda.h

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/*
This file is part of KOrganizer.
Copyright (c) 2001 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 Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#ifndef KOAGENDA_H
#define KOAGENDA_H
#include <tqscrollview.h>
#include <tqtimer.h>
#include <tqguardedptr.h>
#include <libkcal/incidencebase.h>
class TQPopupMenu;
class TQTime;
class TQLabel;
class KConfig;
class KOAgenda;
class KOAgendaItem;
using namespace KOrg;
namespace KOrg {
class IncidenceChangerBase;
}
using namespace KCal;
namespace KCal {
class Event;
class Todo;
class Calendar;
}
class MarcusBains : public TQFrame {
Q_OBJECT
public:
MarcusBains( KOAgenda *agenda = 0, const char *name = 0 );
virtual ~MarcusBains();
public slots:
void updateLocation( bool recalculate = false );
private:
int todayColumn();
TQTimer *minutes;
TQLabel *mTimeBox;
KOAgenda *agenda;
TQTime oldTime;
int oldToday;
};
class KOAgenda : public QScrollView
{
Q_OBJECT
public:
KOAgenda ( int columns, int rows, int columnSize, TQWidget *parent=0,
const char *name = 0, WFlags f = 0 );
KOAgenda ( int columns, TQWidget *parent = 0,
const char *name = 0, WFlags f = 0 );
virtual ~KOAgenda();
Incidence *selectedIncidence() const;
TQDate selectedIncidenceDate() const;
/**
* Returns the uid of the last incidence that was selected. This
* persists across reloads and clear, so that if the same uid
* reappears, it can be reselected. */
const TQString lastSelectedUid() const;
virtual bool eventFilter ( TQObject *, TQEvent * );
TQPoint contentsToGrid ( const TQPoint &pos ) const;
TQPoint gridToContents ( const TQPoint &gpos ) const;
int timeToY ( const TQTime &time );
TQTime gyToTime ( int y );
TQMemArray<int> minContentsY();
TQMemArray<int> maxContentsY();
int visibleContentsYMin();
int visibleContentsYMax();
void setStartTime( const TQTime &startHour );
KOAgendaItem *insertItem ( Incidence *incidence, const TQDate &qd, int X, int YTop,
int YBottom );
KOAgendaItem *insertAllDayItem ( Incidence *event, const TQDate &qd, int XBegin,
int XEnd );
void insertMultiItem ( Event *event, const TQDate &qd, int XBegin, int XEnd,
int YTop, int YBottom );
/** remove an event and all its multi-items from the agenda.
* This function removes the items from the view, but doesn't delete them immediately.
* Instead, they are queued in mItemsToDelete and later deleted by
* the slot deleteItemsToDelete() (called by TQTimer::singleShot ) */
void removeIncidence( Incidence *incidence );
void changeColumns( int columns );
int columns() { return mColumns; }
int rows() { return mRows; }
double gridSpacingX() const { return mGridSpacingX; }
double gridSpacingY() const { return mGridSpacingY; }
// virtual TQSizePolicy sizePolicy() const;
void clear();
/** Calculates the minimum width */
virtual int minimumWidth() const;
/** Update configuration from preference settings */
void updateConfig();
void checkScrollBoundaries();
void setHolidayMask( TQMemArray<bool> * );
void setDateList( const DateList &selectedDates );
DateList dateList() const;
void setTypeAheadReceiver( TQObject * );
TQObject *typeAheadReceiver() const;
void finishTypeAhead();
void setCalendar( Calendar*cal ) { mCalendar = cal; }
void setIncidenceChanger( IncidenceChangerBase *changer ) { mChanger = changer; }
public slots:
void scrollUp();
void scrollDown();
void checkScrollBoundaries( int );
/** Deselect selected items. This function does not emit any signals. */
void deselectItem();
void clearSelection();
/**
Select item. If the argument is 0, the currently selected item gets
deselected. This function emits the itemSelected(bool) signal to inform
about selection/deselection of events.
*/
void selectItem( KOAgendaItem * );
/**
Select the item associated with a given uid. Linear search, use carefully.
*/
void selectItemByUID( const TQString& uid );
bool removeAgendaItem( KOAgendaItem *item );
void showAgendaItem( KOAgendaItem *item );
signals:
void newEventSignal();
void newTimeSpanSignal( const TQPoint &, const TQPoint & );
void newStartSelectSignal();
void showIncidenceSignal( Incidence * );
void editIncidenceSignal( Incidence * );
void deleteIncidenceSignal( Incidence * );
void showIncidencePopupSignal( Incidence *, const TQDate &);
void showNewEventPopupSignal();
void itemModified( KOAgendaItem *item );
void incidenceSelected( Incidence * );
void startMultiModify( const TQString & );
void endMultiModify();
void lowerYChanged( int );
void upperYChanged( int );
void startDragSignal(Incidence *);
void droppedToDo( Todo*todo, const TQPoint &gpos, bool allDay );
void enableAgendaUpdate( bool enable );
void zoomView( const int delta, const TQPoint &pos, const Qt::Orientation );
void mousePosSignal(const TQPoint &pos);
void enterAgenda();
void leaveAgenda();
void gridSpacingYChanged( double );
private:
enum MouseActionType { NOP, MOVE, SELECT,
RESIZETOP, RESIZEBOTTOM, RESIZELEFT, RESIZERIGHT };
protected:
void drawContents( TQPainter *p, int cx, int cy, int cw, int ch );
int columnWidth( int column );
virtual void resizeEvent ( TQResizeEvent * );
/** Handles mouse events. Called from eventFilter */
virtual bool eventFilter_mouse ( TQObject *, TQMouseEvent * );
#ifndef QT_NO_WHEELEVENT
/** Handles mousewheel events. Called from eventFilter */
virtual bool eventFilter_wheel ( TQObject *, TQWheelEvent * );
#endif
/** Handles key events. Called from eventFilter */
virtual bool eventFilter_key ( TQObject *, TQKeyEvent * );
/** Handles drag and drop events. Called from eventFilter */
virtual bool eventFilter_drag( TQObject *, TQDropEvent * );
/** returns RESIZELEFT if pos is near the lower edge of the action item,
RESIZERIGHT if pos is near the higher edge, and MOVE otherwise.
If --reverse is used, RESIZELEFT still means resizing the beginning of
the event, although that means moving to the right!
horizontal is the same as mAllDayAgenda.
*/
MouseActionType isInResizeArea( bool horizontal, const TQPoint &pos, KOAgendaItem *item );
/** Return whether the cell specified by the grid point belongs to the current select
*/
bool ptInSelection( TQPoint gpos ) const;
/** Start selecting time span. */
void startSelectAction( const TQPoint &viewportPos );
/** Select time span. */
void performSelectAction( const TQPoint &viewportPos );
/** Emd selecting time span. */
void endSelectAction( const TQPoint &viewportPos );
/** Start moving/resizing agenda item */
void startItemAction(const TQPoint& viewportPos);
/** Move/resize agenda item */
void performItemAction(const TQPoint& viewportPos);
/** End moving/resizing agenda item */
void endItemAction();
/** Set cursor, when no item action is in progress */
void setNoActionCursor( KOAgendaItem *moveItem, const TQPoint &viewportPos );
/** Sets the cursor according to the given action type. If acting==true,
the corresponding action is running (i.e. the item is really moved). If
acting==false the cursor should just indicate that the corresponding action
is possible */
void setActionCursor( int actionType, bool acting=false );
/** calculate the width of the column subcells of the given item */
double calcSubCellWidth( KOAgendaItem *item );
/** Move and resize the given item to the correct position */
void placeAgendaItem( KOAgendaItem *item, double subCellWidth );
/** Place agenda item in agenda and adjust other cells if necessary */
void placeSubCells( KOAgendaItem *placeItem );
/** Place the agenda item at the correct position (ignoring conflicting items) */
void adjustItemPosition( KOAgendaItem *item );
/** Process the keyevent, including the ignored keyevents of eventwidgets.
* Implements pgup/pgdn and cursor key navigation in the view.
*/
void keyPressEvent( TQKeyEvent * );
void calculateWorkingHours();
virtual void contentsMousePressEvent ( TQMouseEvent * );
void emitNewEventForSelection();
protected slots:
/** delete the items that are queued for deletion */
void deleteItemsToDelete();
/** Resizes all the child elements after the size of the agenda
changed. This is needed because Qt seems to have a bug when
the resizeEvent of one of the widgets in a splitter takes a
lot of time / does a lot of resizes.... see bug 80114 */
void resizeAllContents();
private:
void init();
void marcus_bains();
bool mAllDayMode;
// We need the calendar for drag'n'drop and for paint the ResourceColor
Calendar *mCalendar;
// Width and height of agenda cells. mDesiredGridSpacingY is the height
// set in the config. The actual height might be larger since otherwise
// more than 24 hours might be displayed.
double mGridSpacingX;
double mGridSpacingY;
double mDesiredGridSpacingY;
// size of border, where mouse action will resize the KOAgendaItem
int mResizeBorderWidth;
// size of border, where mouse mve will cause a scroll of the agenda
int mScrollBorderWidth;
int mScrollDelay;
int mScrollOffset;
TQTimer mScrollUpTimer;
TQTimer mScrollDownTimer;
// Number of Columns/Rows of agenda grid
int mColumns;
int mRows;
// Cells to store Move and Resize coordiantes while performing the action
TQPoint mStartCell;
TQPoint mEndCell;
// Working Hour coordiantes
bool mWorkingHoursEnable;
TQMemArray<bool> *mHolidayMask;
int mWorkingHoursYTop;
int mWorkingHoursYBottom;
// Selection
bool mHasSelection;
TQPoint mSelectionStartPoint;
TQPoint mSelectionStartCell;
TQPoint mSelectionEndCell;
// List of dates to be displayed
DateList mSelectedDates;
// The KOAgendaItem, which has been right-clicked last
TQGuardedPtr<KOAgendaItem> mClickedItem;
// The KOAgendaItem, which is being moved/resized
TQGuardedPtr<KOAgendaItem> mActionItem;
// Currently selected item
TQGuardedPtr<KOAgendaItem> mSelectedItem;
// Uid of the last selected item. Used for reselecting in situations
// where the selected item points to a no longer valid incidence, for
// example during resource reload.
TQString mSelectedUid;
// The Marcus Bains Line widget.
MarcusBains *mMarcusBains;
MouseActionType mActionType;
bool mItemMoved;
// List of all Items contained in agenda
TQPtrList<KOAgendaItem> mItems;
TQPtrList<KOAgendaItem> mItemsToDelete;
TQPopupMenu *mItemPopup; // Right mouse button popup menu for KOAgendaItems
int mOldLowerScrollValue;
int mOldUpperScrollValue;
bool mTypeAhead;
TQObject *mTypeAheadReceiver;
TQPtrList<TQEvent> mTypeAheadEvents;
bool mReturnPressed;
KOrg::IncidenceChangerBase *mChanger;
};
#endif // KOAGENDA_H