xiaoningsdiary/include/AppCore/diarycontrols.h

/*  Copyright (C) 2009 Väinö Lappi <djap84@gmail.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

/*
 * diarycontrols.cpp
 *
 *  Created on: 9.5.2009
 *      Author: djap
 * 
 * Editor and editor controls
 */
#ifndef DIARYCONTROLS_H
#define DIARYCONTROLS_H
//

//
#include <QBitmap>

#include <QWidget>
#include <QDate>
#include <QFont>
#include <QTextCharFormat>
#include <QColor>
#include <QString>
#include <QIcon>
#include <QPixmap>
#include <QDir>
#include <QGraphicsScene>
#include <QGraphicsPixmapItem>
#include <QErrorMessage>
#include <QMouseEvent>
#include <QScrollBar>
#include "../../ui_DiaryControls.h"
#include "../Dialogs/pictureSizeDialog.h"

class mplayerWidget;
class DiaryEntryBackgroundMusicPlayer;
class SystemTrayIntegration;
class MyQTextBrowser;
class mama_de_diary;

class DiaryControls: public QWidget  
{
  Q_OBJECT
public:
        DiaryControls(QWidget *parent = NULL);
        virtual ~DiaryControls();
        Ui_DiaryControlsForm ui;
        void doUiUserSpecificInitializations(const QDir &userHomeDir);
        void setEditorTransparency(int redChannel, int greenChannel, int blueChannel, int alpha);
        bool event(QEvent *event);
        void UpdateMediaplayerPlaylistConnections(QDate *date = NULL, bool saveOldDaySpecificPlaylist = true);
        void SaveAll();
        void UpdateWindowIcons( const QIcon &appIcon );
        void HandleUiLanguageChange();
        void ConnectSystemTrayMenuSignals(SystemTrayIntegration *menu);
        void ConnectParentSignals(mama_de_diary *parent);
        void PrepareQuit();             //prepare for closing program.
        void DisableEditor();
        void EnableEditor();
        bool EditorEnabled();
        void RefreshDiaryEntryStoragePath( const QString &path );
        QString getMplayerVersion();

        MyQTextBrowser* textEdit;
        QVBoxLayout *iVboxLayout;
private:
        void reconstructNowPlaying();
        void toPlainText(QString &htmlText);
        QString takeShortClipFromText(int clipLength, const QString &sourceText, const QString &filterOfInterest);
        void constructEntrylist(const QString &filter);
protected:
        void mouseMoveEvent ( QMouseEvent * event );
private:
        PictureSizeDialog *iPictureSizeDlg;
        mplayerWidget *iMediaPlayer;
        DiaryEntryBackgroundMusicPlayer *iEntryBackgroundMusicPlayer;

        //Store the days that are in list (in calendar/list tabs)
        QList<QDate> iDayList;
        QDate iSelectedDate;
        //store the selected row of entry list during update
        int iEntryListCurrentRow;
        QDir iUserHomeDir;
        //text editor background
        QGraphicsScene iTextEditorTransparencyScene;
        bool iFullscreenOn;     //Keep track wether we are fullscreen or not
        QWidget *iParent;       //If this is NULL, handle fullscreen transformation, else just emit toggleFullscreen-signal and let parent handle.
        //Store now playing information as it arrives
        QString iNowPlayingTitle;
        QString iNowPlayingArtist;
        QString iNowPlayingAlbum;
        QString iNowPlayingCreationDate;
        bool iCurrentEntryChanged;      //track changes in current entry
public slots:
        //Handle user change day
        void dayChanged(QDate date);
        //User activated a day from list
        void entryListItemActivated( QListWidgetItem * item );
        //Search filter of entry list was changed
        void entryListSearchFilterChanged( const QString &text );
        //Handle user change to different month (underline + bold + italic font to those dates that have some notes)
        void monthOrYearChanged(int year, int month);
        void insertPictureTriggered();
        //fullscreen toggle push button
        void fullscreenToggle();
        //fonttien vaihdot
        void fontColorChange();
        void changeFont(QFont font);
        void changeFontSize(int size);
        void UnderlineToggle(bool val);
        void BoldToggle(bool val);
        void ItalicToggle(bool val);
        //Päällä oleva fontti muuttu kursorin liikutuksen seurauksena
        void HandleCurrentCharFormatChange(QTextCharFormat format);
        //Playlists
        void editLocalPlaylistClicked();
        //Update playlist connections when there's changes in day specific content list
        void DaySpecificListGotContent();
        void DaySpecificListLostAllContent();
        //Handle new now playing information
        void gotNowPlayingTitle(const QString &title);
        void gotNowPlayingArtist(const QString &artist);
        void gotNowPlayingCreationDate(const QString &creationDate);
        void gotNowPlayingAlbum(const QString &album);
        void gotNowPlayingFilename(const QString &filename);
        void insertAndScalePicture(QString relativeFilename, int width, int height);
        //track changes in current entry
        void entryTextChanged();
signals:
        void setHTMLToEditor(const QString &text);              //Used to insert html to text edit, (picture insertion, resize, day load etc.)
        void clearEditor();                                                             //Used to clear the editor. (day chances)
        void setFont( const QFont &f);                                  //Used to change font on editor.
        void setEditorTextColor ( const QColor & c );   //Used to change the text color.
        void giveFocusToTextEditor();                                   //Used to transfer focus back to editor
        void undoEditor();                                                              //Used to cancel last change
        void updateCalendarFonts(int year, int month);  //Used to do internal updates on calendar fonts (during program boot and day changes)
        //Used for changing bold, italic and underline buttons' state when navigatin the text.
        void isNavigationOnBoldArea(bool val);
        void isNavigationOnItalicArea(bool val);
        void isNavigationOnUnderlinedArea(bool val);
        //Used for updating font size state when navigating the text
        void updateFontSize( int size );
        //Used for updating the current font when navigating the text
        void updateFontCombobox( QFont font );
        void toggleFullscreen();                                                //Emitted when fullscreentoggle is requested, if this is not the main widget of the program the parent must handle moving to fullscreen.
        //void startPlaying(const QString &filenameWithFullpath);               //connected to mediaplayer, used to start playing new playlist during day change
        void mouseMovement(int x, int y);                               //connected to background animation engine, make litle interaction with animations possible :)
        void insertPicture(QString relativeFilename, int width, int height);
        //Signals connected to list of written entries
        void clearEntryList();
        //Change selected date from list
        void setCalendarDate(const QDate &date);

        void startPlayingEntryBackground();
        void stopPlayingEntryBackground();
        void setEntryBackgroundMusicPlayerVisible(bool visible);
};
#endif

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