comparison: src/analog/widgetwithbackground.h
src/analog/widgetwithbackground.h
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| 1 /*************************************************************************** | |
| 2 * Copyright (C) 2006-2008 by Tomasz Ziobrowski * | |
| 3 * http://www.3electrons.com * | |
| 4 * e-mail: t.ziobrowski@3electrons.com * | |
| 5 * * | |
| 6 * * | |
| 7 * This program is free software; you can redistribute it and/or modify * | |
| 8 * it under the terms of the GNU General Public License as published by * | |
| 9 * the Free Software Foundation; either version 2 of the License, or * | |
| 10 * (at your option) any later version. * | |
| 11 * * | |
| 12 * This program is distributed in the hope that it will be useful, * | |
| 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
| 15 * GNU General Public License for more details. * | |
| 16 * * | |
| 17 * You should have received a copy of the GNU General Public License * | |
| 18 * along with this program; if not, write to the * | |
| 19 * Free Software Foundation, Inc., * | |
| 20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
| 21 ***************************************************************************/ | |
| 22 | |
| 23 #ifndef WIDGETWITHBACKGROUND_H | |
| 24 #define WIDGETWITHBACKGROUND_H | |
| 25 | |
| 26 #include <QWidget> | |
| 27 | |
| 28 class QPixmap; | |
| 29 | |
| 30 class WidgetWithBackground : public QWidget | |
| 31 { | |
| 32 Q_OBJECT | |
| 33 public: | |
| 34 /** Konstruktor */ | |
| 35 WidgetWithBackground(QWidget * parent = 0); | |
| 36 | |
| 37 /** Destruktor - usuwa bitmapkę. */ | |
| 38 ~WidgetWithBackground (); | |
| 39 | |
| 40 /** | |
| 41 * Operacja odmalowywania kontrolki - | |
| 42 * wkleja bitmapę z tłem na kontrolkę - | |
| 43 * generująć ją wcześniej jeżeli zajdzie taka potrzeba. | |
| 44 */ | |
| 45 void drawBackground (); | |
| 46 | |
| 47 /** Odmalowywuje kontrolkę bezwarunkowo odmalowywując tło. */ | |
| 48 void updateWithBackground (); | |
| 49 | |
| 50 /** | |
| 51 * Zawraca informacje czy kontrolka została zmodyfikowana | |
| 52 * Ta informacja jest ustawiana gdy bitmapka tła się zmienia | |
| 53 * to znaczy zmienia się rozmiar komponentu lub istnieje | |
| 54 * potrzeba przemalowania tła. | |
| 55 */ | |
| 56 bool doRepaintBackground(); | |
| 57 | |
| 58 protected: | |
| 59 /** Wywołuje paintBackground - odmalowywując tło na nowo */ | |
| 60 void repaintBackground(); | |
| 61 | |
| 62 /** | |
| 63 * Odmalowywuje tło kontrolki | |
| 64 * @param painter urządzenie na ktróym mamy malować. | |
| 65 * @param background to tło kontrolki | |
| 66 */ | |
| 67 virtual void paintBackground (QPainter & painer) = 0; | |
| 68 | |
| 69 | |
| 70 | |
| 71 protected: | |
| 72 /** Bufor na tło. */ | |
| 73 QPixmap * m_pixmap; | |
| 74 /** | |
| 75 * Ustawia tą zmienną po zmianie właściwości | |
| 76 */ | |
| 77 bool m_modified; | |
| 78 }; | |
| 79 #endif //WIDGETWITHBACKGROUND_H | |
| 80 |
