src/filecontent.h

   1 /*
   2         Author: Marco Costalba (C) 2005-2007
   3
   4         Copyright: See COPYING file that comes with this distribution
   5
   6 */
   7 #ifndef FILECONTENT_H
   8 #define FILECONTENT_H
   9
  10 #include <QPointer>
  11 #include <QTextEdit>
  12 #include "common.h"
  13
  14 class FileHighlighter;
  15 class Domain;
  16 class StateInfo;
  17 class Annotate;
  18 class Git;
  19 class MyProcess;
  20 class RangeInfo;
  21 class FileHistory;
  22
  23 class QListWidget;
  24 class QListWidgetItem;
  25
  26 class FileContent: public QTextEdit {
  27 Q_OBJECT
  28 public:
  29         FileContent(QWidget* parent);
  30         ~FileContent();
  31         void setup(Domain* parent, Git* git, QListWidget* lwa);
  32         void doUpdate(bool force = false);
  33         void clearAll(bool emitSignal = true);
  34         void copySelection();
  35         void goToAnnotation(int id, int direction);
  36         bool goToRangeStart();
  37         bool rangeFilter(bool b);
  38         bool getRange(SCRef sha, RangeInfo* r);
  39         bool startAnnotate(FileHistory* fh, SCRef histTime);
  40         void setShowAnnotate(bool b);
  41         void setHighlightSource(bool b);
  42         void setSelection(int paraFrom, int indexFrom, int paraTo, int indexTo);
  43         int itemAnnId(QListWidgetItem* item);
  44         bool isFileAvailable() const { return isFileAvail; }
  45         bool isAnnotateAvailable() const { return curAnn != NULL; }
  46
  47 signals:
  48         void annotationAvailable(bool);
  49         void fileAvailable(bool);
  50         void revIdSelected(int);
  51
  52 public slots:
  53         void on_annotateReady(Annotate*, bool, const QString&);
  54         void procReadyRead(const QByteArray&);
  55         void procFinished(bool emitSignal = true);
  56         void typeWriterFontChanged();
  57
  58 protected:
  59         virtual void resizeEvent(QResizeEvent* e);
  60
  61 private slots:
  62         void on_list_doubleClicked(QListWidgetItem*);
  63         void on_scrollBar_valueChanged(int);
  64         void on_listScrollBar_valueChanged(int);
  65
  66 private:
  67         friend class FileHighlighter;
  68
  69         void clear(); // declared as private, to avoid indirect access to QTextEdit::clear()
  70         void clearAnnotate(bool emitSignal);
  71         void clearText(bool emitSignal);
  72         void findInFile(SCRef str);
  73         void scrollCursorToTop();
  74         void scrollLineToTop(int lineNum);
  75         int positionToLineNum(int pos = -1);
  76         int lineAtTop();
  77         bool lookupAnnotation();
  78         uint annotateLength(const FileAnnotation* curAnn);
  79         void saveScreenState();
  80         void restoreScreenState();
  81         void showFileImage();
  82         void adjustAnnListSize(int width);
  83         void setAnnList();
  84
  85         Domain* d;
  86         Git* git;
  87         QListWidget* listWidgetAnn;
  88         StateInfo* st;
  89         RangeInfo* rangeInfo;
  90         FileHighlighter* fileHighlighter;
  91         QPointer<MyProcess> proc;
  92         QPointer<Annotate> annotateObj; // valid from beginning of annotation loading
  93         const FileAnnotation* curAnn; // valid at the end of annotation loading
  94         QByteArray fileRowData;
  95         QString histTime;
  96         bool isFileAvail;
  97         bool isAnnotationLoading;
  98         bool isAnnotationAppended;
  99         bool isRangeFilterActive;
 100         bool isShowAnnotate;
 101         bool isHtmlSource;
 102         bool isImageFile;
 103
 104         struct ScreenState {
 105                 bool isValid, hasSelectedText;
 106                 int topPara, paraFrom, indexFrom, paraTo, indexTo;
 107         };
 108         ScreenState ss;
 109
 110         enum BoolOption { // used as self-documenting boolean parameters
 111                 optFalse,
 112                 optEmitSignal
 113         };
 114 };
 115
 116 #endif