editors/sc-ide/widgets/editor_box.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
  22 #ifndef SCIDE_WIDGET_CODE_EDITOR_EDITOR_BOX_HPP
  23 #define SCIDE_WIDGET_CODE_EDITOR_EDITOR_BOX_HPP
  24
  25 #include <QWidget>
  26 #include <QStackedLayout>
  27 #include <QPointer>
  28
  29 namespace ScIDE {
  30
  31 class Document;
  32 class ScCodeEditor;
  33
  34 class CodeEditorBox : public QWidget
  35 {
  36     Q_OBJECT
  37
  38 public:
  39     typedef QList< ScCodeEditor * > History;
  40
  41     CodeEditorBox(QWidget *parent = 0);
  42
  43     void setDocument(Document *, int pos = -1, int selectionLength = 0);
  44
  45     ScCodeEditor *currentEditor();
  46     Document *currentDocument();
  47
  48     const History & history() { return mHistory; }
  49
  50     void setActive() {
  51         if (isActive())
  52             return;
  53
  54         CodeEditorBox *lastActiveBox = gActiveBox;
  55         gActiveBox = this;
  56
  57         if (lastActiveBox)
  58             lastActiveBox->update();
  59
  60         update();
  61
  62         emit activated(this);
  63     }
  64
  65     bool isActive() { return gActiveBox == this; }
  66
  67     QSize minimumSizeHint() const { return QSize(100, 100); }
  68     QSize sizeHint() const { return QSize(100, 100); }
  69
  70 signals:
  71     void currentChanged(ScCodeEditor*);
  72     void activated( CodeEditorBox *me );
  73
  74 private slots:
  75     void onDocumentClosed(Document*);
  76
  77 private:
  78     int historyIndexOf(Document*);
  79     ScCodeEditor *editorForDocument(Document*);
  80     bool eventFilter( QObject *, QEvent * );
  81     void focusInEvent( QFocusEvent * );
  82     void paintEvent( QPaintEvent * );
  83
  84     QStackedLayout *mLayout;
  85     History mHistory;
  86     static QPointer<CodeEditorBox> gActiveBox;
  87 };
  88
  89 } // namespace ScIDE
  90
  91 #endif // SCIDE_WIDGET_CODE_EDITOR_EDITOR_BOX_HPP