1 | /* This file is part of the KDE project |
2 | Copyright (C) 2007 Dag Andersen <danders@get2net.dk> |
3 | |
4 | This library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2 of the License, or (at your option) any later version. |
8 | |
9 | This library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Library General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Library General Public License |
15 | along with this library; see the file COPYING.LIB. If not, write to |
16 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 | * Boston, MA 02110-1301, USA. |
18 | */ |
19 | |
20 | #ifndef KPTDURATIONSPINBOX_H |
21 | #define KPTDURATIONSPINBOX_H |
22 | |
23 | #include "kptduration.h" |
24 | #include "kplatomodels_export.h" |
25 | |
26 | #include <QSpinBox> |
27 | |
28 | namespace KPlato |
29 | { |
30 | |
31 | /** |
32 | * The DurationSpinBox provides a spinbox and a line edit to display and edit durations. |
33 | * |
34 | * DurationSpinBox is a QDoubleSpinBox with the addition of adjustable units, |
35 | * defined as Duration::Unit. |
36 | * The unit can be Day, Hour, Minute, Second and Millisecond. |
37 | * The user can select the unit the duration is displayed in by placing the cursor |
38 | * on the unit and step up or -down. |
39 | * Maximum- and minimum unit can be set with setMaximumUnit() and setMinimumUnit(). |
40 | * Defaults are: maximum unit Day, minimum unit Hour. |
41 | * |
42 | */ |
43 | class KPLATOMODELS_EXPORT DurationSpinBox : public QDoubleSpinBox |
44 | { |
45 | Q_OBJECT |
46 | public: |
47 | explicit DurationSpinBox(QWidget *parent = 0); |
48 | |
49 | /// Return the current unit |
50 | Duration::Unit unit() const { return m_unit; } |
51 | |
52 | /// step the value steps step. If inside unit, steps unit +/- 1 step. |
53 | virtual void stepBy( int steps ); |
54 | /// Set maximum unit to @p unit. |
55 | void setMaximumUnit( Duration::Unit unit ); |
56 | /// Set maximum unit to @p unit. |
57 | void setMinimumUnit( Duration::Unit unit ); |
58 | |
59 | double valueFromText( const QString & text ) const; |
60 | QString textFromValue ( double value ) const; |
61 | QValidator::State validate ( QString & input, int & pos ) const; |
62 | |
63 | signals: |
64 | void unitChanged( int ); |
65 | |
66 | public slots: |
67 | /// Set the current unit. |
68 | /// If unit is outside minimum- or maximum unit, the limit is adjusted. |
69 | void setUnit( Duration::Unit unit); |
70 | |
71 | protected slots: |
72 | void editorTextChanged( const QString &text ); |
73 | |
74 | protected: |
75 | void keyPressEvent( QKeyEvent * event ); |
76 | StepEnabled stepEnabled () const; |
77 | |
78 | void stepUnitUp(); |
79 | void stepUnitDown(); |
80 | |
81 | QString ( const QString &text ) const; |
82 | QString ( const QString &text ) const; |
83 | |
84 | /// If unit is outside minimum- or maximum unit, the limit is used. |
85 | void updateUnit( Duration::Unit unit); |
86 | |
87 | bool isOnUnit() const; |
88 | |
89 | private: |
90 | Duration::Unit m_unit; |
91 | Duration::Unit m_minunit; |
92 | Duration::Unit m_maxunit; |
93 | }; |
94 | |
95 | } //namespace KPlato |
96 | |
97 | #endif |
98 | |