1 /* 2 * Copyright (C) 2013 Nicolas Bonnefon and other contributors 3 * 4 * This file is part of glogg. 5 * 6 * glogg is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * glogg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef QFNOTIFICATIONS_H 21 #define QFNOTIFICATIONS_H 22 23 #include <QObject> 24 #include <QWidget> 25 #include <QFontMetrics> 26 27 // Notifications sent by the QF for displaying to the user 28 // and their translation in UI text. 29 class QFNotification { 30 public: 31 virtual QString message() const = 0; 32 33 // Max width of the message (in pixels) 34 static int maxWidth( const QWidget* widget ) { 35 QFontMetrics fm = widget->fontMetrics(); 36 return qMax( fm.size( Qt::TextSingleLine, REACHED_BOF ).width(), 37 fm.size( Qt::TextSingleLine, REACHED_EOF ).width() ); 38 } 39 40 protected: 41 static const QString REACHED_EOF; 42 static const QString REACHED_BOF; 43 }; 44 45 class QFNotificationReachedEndOfFile : public QFNotification 46 { 47 QString message() const { 48 return REACHED_EOF; 49 } 50 }; 51 52 class QFNotificationReachedBegininningOfFile : public QFNotification 53 { 54 QString message() const { 55 return REACHED_BOF; 56 } 57 }; 58 59 class QFNotificationProgress : public QFNotification { 60 public: 61 // Constructor taking the progress (in percent) 62 QFNotificationProgress( int progress_percent ) 63 { progressPercent_ = progress_percent; } 64 65 QString message() const { 66 return QString( QObject::tr("Searching (position %1 %)") 67 .arg( progressPercent_ ) ); 68 } 69 private: 70 int progressPercent_; 71 }; 72 73 #endif 74