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50 
51 #ifndef MAINWINDOW_H
52 #define MAINWINDOW_H
53 
54 #include "diagramitem.h"
55 
56 #include <QMainWindow>
57 
58 class DiagramScene;
59 
60 QT_BEGIN_NAMESPACE
61 class QAction;
62 class QToolBox;
63 class QSpinBox;
64 class QComboBox;
65 class QFontComboBox;
66 class QButtonGroup;
67 class QLineEdit;
68 class QGraphicsTextItem;
69 class QFont;
70 class QToolButton;
71 class QAbstractButton;
72 class QGraphicsView;
73 QT_END_NAMESPACE
74 
75 //! [0]
76 class MainWindow : public QMainWindow
77 {
78     Q_OBJECT
79 
80 public:
81    MainWindow();
82 
83 private slots:
84     void backgroundButtonGroupClicked(QAbstractButton *button);
85     void buttonGroupClicked(QAbstractButton *button);
86     void deleteItem();
87     void pointerGroupClicked();
88     void bringToFront();
89     void sendToBack();
90     void itemInserted(DiagramItem *item);
91     void textInserted(QGraphicsTextItem *item);
92     void currentFontChanged(const QFont &font);
93     void fontSizeChanged(const QString &size);
94     void sceneScaleChanged(const QString &scale);
95     void textColorChanged();
96     void itemColorChanged();
97     void lineColorChanged();
98     void textButtonTriggered();
99     void fillButtonTriggered();
100     void lineButtonTriggered();
101     void handleFontChange();
102     void itemSelected(QGraphicsItem *item);
103     void about();
104 
105 private:
106     void createToolBox();
107     void createActions();
108     void createMenus();
109     void createToolbars();
110     QWidget *createBackgroundCellWidget(const QString &text,
111                                         const QString &image);
112     QWidget *createCellWidget(const QString &text,
113                               DiagramItem::DiagramType type);
114     QMenu *createColorMenu(const char *slot, QColor defaultColor);
115     QIcon createColorToolButtonIcon(const QString &image, QColor color);
116     QIcon createColorIcon(QColor color);
117 
118     DiagramScene *scene;
119     QGraphicsView *view;
120 
121     QAction *exitAction;
122     QAction *addAction;
123     QAction *deleteAction;
124 
125     QAction *toFrontAction;
126     QAction *sendBackAction;
127     QAction *aboutAction;
128 
129     QMenu *fileMenu;
130     QMenu *itemMenu;
131     QMenu *aboutMenu;
132 
133     QToolBar *textToolBar;
134     QToolBar *editToolBar;
135     QToolBar *colorToolBar;
136     QToolBar *pointerToolbar;
137 
138     QComboBox *sceneScaleCombo;
139     QComboBox *itemColorCombo;
140     QComboBox *textColorCombo;
141     QComboBox *fontSizeCombo;
142     QFontComboBox *fontCombo;
143 
144     QToolBox *toolBox;
145     QButtonGroup *buttonGroup;
146     QButtonGroup *pointerTypeGroup;
147     QButtonGroup *backgroundButtonGroup;
148     QToolButton *fontColorToolButton;
149     QToolButton *fillColorToolButton;
150     QToolButton *lineColorToolButton;
151     QAction *boldAction;
152     QAction *underlineAction;
153     QAction *italicAction;
154     QAction *textAction;
155     QAction *fillAction;
156     QAction *lineAction;
157 };
158 //! [0]
159 
160 #endif // MAINWINDOW_H
161