editors/sc-ide/widgets/multi_editor.hpp

   1 /*
   2     SuperCollider Qt IDE
   3     Copyright (c) 2012 Jakob Leben & Tim Blechmann
   4     http://www.audiosynth.com
   5
   6     This program 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 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program 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 this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #ifndef SCIDE_WIDGETS_MULTI_EDITOR_HPP_INCLUDED
  22 #define SCIDE_WIDGETS_MULTI_EDITOR_HPP_INCLUDED
  23
  24 #include <QWidget>
  25 #include <QTabBar>
  26 #include <QAction>
  27 #include <QPushButton>
  28 #include <QToolButton>
  29 #include <QLineEdit>
  30 #include <QCheckBox>
  31 #include <QLabel>
  32 #include <QGridLayout>
  33 #include <QTextDocument>
  34 #include <QSplitter>
  35
  36 namespace ScIDE {
  37
  38 class Main;
  39 class Document;
  40 class DocumentManager;
  41 class CodeEditor;
  42 class CodeEditorBox;
  43 class MultiSplitter;
  44 class SignalMultiplexer;
  45 class Session;
  46 namespace Settings { class Manager; }
  47
  48 class MultiEditor : public QWidget
  49 {
  50     Q_OBJECT
  51
  52 public:
  53
  54     enum ActionRole
  55     {
  56         // Edit
  57         Undo,
  58         Redo,
  59         Cut,
  60         Copy,
  61         Paste,
  62         IndentLineOrRegion,
  63         TriggerAutoCompletion,
  64         TriggerMethodCallAid,
  65         ToggleComment,
  66         ToggleOverwriteMode,
  67
  68         CopyLineUp,
  69         CopyLineDown,
  70         MoveLineUp,
  71         MoveLineDown,
  72
  73         GotoPreviousBlock,
  74         GotoNextBlock,
  75         GotoPreviousRegion,
  76         GotoNextRegion,
  77         GotoPreviousEmptyLine,
  78         GotoNextEmptyLine,
  79
  80         SelectRegion,
  81
  82         // View
  83         EnlargeFont,
  84         ShrinkFont,
  85         ResetFontSize,
  86         ShowWhitespace,
  87
  88         NextDocument,
  89         PreviousDocument,
  90         SwitchDocument,
  91
  92         SplitHorizontally,
  93         SplitVertically,
  94         RemoveCurrentSplit,
  95         RemoveAllSplits,
  96
  97         // Language
  98         EvaluateCurrentDocument,
  99         EvaluateRegion,
 100         EvaluateLine,
 101
 102         ActionRoleCount
 103     };
 104
 105     MultiEditor( Main *, QWidget * parent = 0 );
 106
 107     int tabCount() { return mTabs->count(); }
 108     Document * documentForTab( int index );
 109     int tabForDocument( Document * doc );
 110
 111     CodeEditor *currentEditor();
 112     CodeEditorBox *currentBox() { return mCurrentEditorBox; }
 113     void split( Qt::Orientation direction );
 114
 115     QAction * action( ActionRole role )
 116         { return mActions[role]; }
 117
 118     bool stepForwardEvaluation() { return mStepForwardEvaluation; }
 119
 120     void applySettings( Settings::Manager * );
 121
 122     void saveSession( Session * );
 123     void switchSession( Session * );
 124
 125 signals:
 126     void currentDocumentChanged( Document * );
 127
 128 public slots:
 129
 130     void setCurrent( Document * );
 131
 132     void showNextDocument();
 133     void showPreviousDocument();
 134     void switchDocument();
 135
 136     void splitHorizontally() { split(Qt::Horizontal); }
 137     void splitVertically() { split(Qt::Vertical); }
 138     void removeCurrentSplit();
 139     void removeAllSplits();
 140
 141 private slots:
 142
 143     void onOpen( Document *, int initialCursorPosition, int selectionLength );
 144     void onClose( Document * );
 145     void show( Document *, int cursorPosition = -1 );
 146     void update( Document * );
 147     void onCloseRequest( int index );
 148     void onCurrentTabChanged( int index );
 149     void onCurrentEditorChanged( CodeEditor * );
 150     void onBoxActivated( CodeEditorBox * );
 151     void onModificationChanged( bool modified );
 152     void evaluateRegion();
 153     void evaluateLine();
 154     void evaluateDocument();
 155
 156 private:
 157     void makeSignalConnections();
 158     void breakSignalConnections();
 159     void createActions();
 160     void updateActions();
 161     CodeEditorBox *newBox();
 162     void setCurrentBox( CodeEditorBox * );
 163     void setCurrentEditor( CodeEditor * );
 164     void loadBoxState( CodeEditorBox *box, const QVariantList & data, const QList<Document *> & documentList );
 165     void loadSplitterState( QSplitter *, const QVariantMap & data, const QList<Document *> & documentList );
 166
 167     SignalMultiplexer * mSigMux;
 168     SignalMultiplexer * mBoxSigMux;
 169     QAction *mActions[ActionRoleCount];
 170
 171     // gui
 172     QTabBar *mTabs;
 173     CodeEditorBox *mCurrentEditorBox;
 174     MultiSplitter *mSplitter;
 175     QIcon mDocModifiedIcon;
 176
 177     // settings
 178     bool mStepForwardEvaluation;
 179 };
 180
 181 } // namespace ScIDE
 182
 183 #endif // SCIDE_WIDGETS_MULTI_EDITOR_HPP_INCLUDED