Qt 5.9 | Qt Widgets | Diagram Scene Example | mainwindow.h Example File

Qt 5.9.9 Reference Documentation

# mainwindow.h Example File

graphicsview/diagramscene/mainwindow.h

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      #ifndef MAINWINDOW_H
      #define MAINWINDOW_H

      #include "diagramitem.h"

      #include <QMainWindow>

      class DiagramScene;

      class QAction;
      class QToolBox;
      class QSpinBox;
      class QComboBox;
      class QFontComboBox;
      class QButtonGroup;
      class QLineEdit;
      class QGraphicsTextItem;
      class QFont;
      class QToolButton;
      class QAbstractButton;
      class QGraphicsView;

      class MainWindow : public QMainWindow
      {
          Q_OBJECT

      public:
         MainWindow();

      private slots:
          void backgroundButtonGroupClicked(QAbstractButton *button);
          void buttonGroupClicked(int id);
          void deleteItem();
          void pointerGroupClicked(int id);
          void bringToFront();
          void sendToBack();
          void itemInserted(DiagramItem *item);
          void textInserted(QGraphicsTextItem *item);
          void currentFontChanged(const QFont &font);
          void fontSizeChanged(const QString &size);
          void sceneScaleChanged(const QString &scale);
          void textColorChanged();
          void itemColorChanged();
          void lineColorChanged();
          void textButtonTriggered();
          void fillButtonTriggered();
          void lineButtonTriggered();
          void handleFontChange();
          void itemSelected(QGraphicsItem *item);
          void about();

      private:
          void createToolBox();
          void createActions();
          void createMenus();
          void createToolbars();
          QWidget *createBackgroundCellWidget(const QString &text,
                                              const QString &image);
          QWidget *createCellWidget(const QString &text,
                                    DiagramItem::DiagramType type);
          QMenu *createColorMenu(const char *slot, QColor defaultColor);
          QIcon createColorToolButtonIcon(const QString &image, QColor color);
          QIcon createColorIcon(QColor color);

          DiagramScene *scene;
          QGraphicsView *view;

          QAction *exitAction;
          QAction *addAction;
          QAction *deleteAction;

          QAction *toFrontAction;
          QAction *sendBackAction;
          QAction *aboutAction;

          QMenu *fileMenu;
          QMenu *itemMenu;
          QMenu *aboutMenu;

          QToolBar *textToolBar;
          QToolBar *editToolBar;
          QToolBar *colorToolBar;
          QToolBar *pointerToolbar;

          QComboBox *sceneScaleCombo;
          QComboBox *itemColorCombo;
          QComboBox *textColorCombo;
          QComboBox *fontSizeCombo;
          QFontComboBox *fontCombo;

          QToolBox *toolBox;
          QButtonGroup *buttonGroup;
          QButtonGroup *pointerTypeGroup;
          QButtonGroup *backgroundButtonGroup;
          QToolButton *fontColorToolButton;
          QToolButton *fillColorToolButton;
          QToolButton *lineColorToolButton;
          QAction *boldAction;
          QAction *underlineAction;
          QAction *italicAction;
          QAction *textAction;
          QAction *fillAction;
          QAction *lineAction;
      };

      #endif // MAINWINDOW_H