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123 lines
4.9 KiB
123 lines
4.9 KiB
/*
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* timeedit.h - time-of-day edit widget, with AM/PM shown depending on locale
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* Program: kalarm
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* Copyright (C) 2004 by David Jarvie <software@astrojar.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef TIMEEDIT_H
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#define TIMEEDIT_H
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#include <tqdatetime.h>
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#include <tqhbox.h>
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class ComboBox;
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class TimeSpinBox;
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/**
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* @short Widget to enter a time of day.
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*
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* The TimeEdit class provides a widget to enter a time of day in hours and minutes,
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* using a 12- or 24-hour clock according to the user's locale settings.
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*
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* It displays a TimeSpinBox widget to enter hours and minutes. If a 12-hour clock is
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* being used, it also displays a combo box to select am or pm.
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*
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* TimeSpinBox displays a spin box with two pairs of spin buttons, one for hours and
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* one for minutes. It provides accelerated stepping using the spin buttons, when the
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* shift key is held down (inherited from SpinBox2). The default shift steps are 5
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* minutes and 6 hours.
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*
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* The widget may be set as read-only. This has the same effect as disabling it, except
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* that its appearance is unchanged.
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*
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* @author David Jarvie <software@astrojar.org.uk>
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*/
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class TimeEdit : public QHBox
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{
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Q_OBJECT
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public:
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/** Constructor.
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* @param parent The parent object of this widget.
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* @param name The name of this widget.
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*/
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explicit TimeEdit(TQWidget* parent = 0, const char* name = 0);
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/** Returns true if the widget is read only. */
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bool isReadOnly() const { return mReadOnly; }
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/** Sets whether the widget is read-only for the user. If read-only,
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* the time cannot be edited and the spin buttons and am/pm combo box
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* are inactive.
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* @param readOnly True to set the widget read-only, false to set it read-write.
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*/
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virtual void setReadOnly(bool readOnly);
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/** Returns true if the widget contains a valid value. */
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bool isValid() const;
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/** Sets whether the edit value is valid.
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* If newly invalid, the value is displayed as asterisks.
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* If newly valid, the value is set to the minimum value.
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* @param valid True to set the value valid, false to set it invalid.
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*/
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void setValid(bool valid);
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/** Returns the entered time as a value in minutes. */
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int value() const;
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/** Returns the entered time as a TQTime value. */
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TQTime time() const { int m = value(); return TQTime(m/60, m%60); }
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/** Returns true if it is possible to step the value from the highest value to the lowest value and vice versa. */
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bool wrapping() const;
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/** Sets whether it is possible to step the value from the highest value to the lowest value and vice versa.
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* @param on True to enable wrapping, else false.
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*/
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void setWrapping(bool on);
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/** Returns the minimum value of the widget in minutes. */
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int minValue() const;
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/** Returns the maximum value of the widget in minutes. */
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int maxValue() const;
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/** Returns the maximum value of the widget as a TQTime value. */
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TQTime maxTime() const { int mv = maxValue(); return TQTime(mv/60, mv%60); }
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/** Sets the minimum value of the widget. */
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void setMinValue(int minutes);
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/** Sets the maximum value of the widget. */
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void setMaxValue(int minutes);
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/** Sets the maximum value of the widget. */
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void setMaxValue(const TQTime& time) { setMaxValue(time.hour()*60 + time.minute()); }
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public slots:
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/** Sets the value of the widget. */
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virtual void setValue(int minutes);
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/** Sets the value of the widget. */
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void setValue(const TQTime& t) { setValue(t.hour()*60 + t.minute()); }
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signals:
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/** This signal is emitted every time the value of the widget changes
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* (for whatever reason).
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* @param minutes The new value.
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*/
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void valueChanged(int minutes);
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private slots:
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void slotValueChanged(int);
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void slotAmPmChanged(int item);
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private:
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void setAmPmCombo(int am, int pm);
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TimeSpinBox* mSpinBox; // always holds the 24-hour time
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ComboBox* mAmPm;
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int mAmIndex; // mAmPm index to "am", or -1 if none
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int mPmIndex; // mAmPm index to "pm", or -1 if none
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bool mReadOnly; // the widget is read only
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};
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#endif // TIMEEDIT_H
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