summaryrefslogtreecommitdiffstats
path: root/korganizer/koagenda.h
blob: 05a0af9d9502b554fa126b956e3a4f45798a3b89 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
/*
    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 TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
#ifndef KOAGENDA_H
#define KOAGENDA_H

#include <tqscrollview.h>
#include <tqtimer.h>
#include <tqguardedptr.h>
#include <libkcal/incidencebase.h>

#include "calendarview.h"

class TQPopupMenu;
class TQTime;
class TQLabel;
class TDEConfig;
class KOAgenda;
class KOAgendaItem;

namespace KOrg {
  class IncidenceChangerBase;
}
using namespace KOrg;

namespace KCal {
  class Event;
  class Todo;
  class Calendar;
}
using namespace KCal;

class MarcusBains : public TQFrame
{
  Q_OBJECT
  
  public:
    MarcusBains( KOAgenda *agenda = 0, const char *name = 0 );
    void updateLocationRecalc( bool recalculate = false );
    virtual ~MarcusBains();

  public slots:
    void updateLocation();

  private:
    int todayColumn();
    TQTimer *minutes;
    TQLabel *mTimeBox;
    KOAgenda *agenda;
    TQTime mOldTime;
    int mOldToday;
};

class KOAgenda : public TQScrollView
{
  Q_OBJECT
  
  public:
    KOAgenda ( int columns, int rows, int columnSize, CalendarView *calendarView,
               TQWidget *parent=0, const char *name = 0, WFlags f = 0 );

    KOAgenda ( int columns, CalendarView *calendarView, 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, int itemPos, int itemCount );
    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( ResourceCalendar *res, const TQString &subResource );
    void newTimeSpanSignal( const TQPoint &, const TQPoint & );
    void newStartSelectSignal();

    void showIncidenceSignal( Incidence *, const TQDate & );
    void editIncidenceSignal( Incidence *, const TQDate & );
    void deleteIncidenceSignal( Incidence * );
    void showIncidencePopupSignal( Calendar *, Incidence *, const TQDate &);
    void showNewEventPopupSignal();

    void itemModified( KOAgendaItem *item );
    void incidenceSelected( Incidence *, const TQDate & );
    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 TQT_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 TQt 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;
    TQPair<ResourceCalendar *, TQString> mResPair;

    // 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;

    CalendarView *mCalendarView;
};

#endif // KOAGENDA_H