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 ScCodeEditor;
  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     ScCodeEditor *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     void onOpen( Document *, int initialCursorPosition, int selectionLength );
 143     void onClose( Document * );
 144     void show( Document *, int cursorPosition = -1, int selectionLenght = 0 );
 145     void update( Document * );
 146     void onCloseRequest( int index );
 147     void onCurrentTabChanged( int index );
 148     void onCurrentEditorChanged( ScCodeEditor * );
 149     void onBoxActivated( CodeEditorBox * );
 150     void onModificationChanged( bool modified );
 151     void evaluateRegion();
 152     void evaluateLine();
 153     void evaluateDocument();
 154
 155 private:
 156     void makeSignalConnections();
 157     void breakSignalConnections();
 158     void createActions();
 159     void updateActions();
 160     CodeEditorBox *newBox();
 161     void setCurrentBox( CodeEditorBox * );
 162     void setCurrentEditor( ScCodeEditor * );
 163     void loadBoxState( CodeEditorBox *box, const QVariantList & data, const QList<Document *> & documentList );
 164     void loadSplitterState( QSplitter *, const QVariantMap & data, const QList<Document *> & documentList );
 165
 166     SignalMultiplexer * mSigMux;
 167     SignalMultiplexer * mBoxSigMux;
 168     QAction *mActions[ActionRoleCount];
 169
 170     // gui
 171     QTabBar *mTabs;
 172     CodeEditorBox *mCurrentEditorBox;
 173     MultiSplitter *mSplitter;
 174     QIcon mDocModifiedIcon;
 175
 176     // settings
 177     bool mStepForwardEvaluation;
 178 };
 179
 180 } // namespace ScIDE
 181
 182 #endif // SCIDE_WIDGETS_MULTI_EDITOR_HPP_INCLUDED