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50
51#ifndef MAINWINDOW_H
52#define MAINWINDOW_H
53
54#include "diagramitem.h"
55
56#include <QMainWindow>
57
58class DiagramScene;
59
60QT_BEGIN_NAMESPACE
61class QAction;
62class QToolBox;
63class QSpinBox;
64class QComboBox;
65class QFontComboBox;
66class QButtonGroup;
67class QLineEdit;
68class QGraphicsTextItem;
69class QFont;
70class QToolButton;
71class QAbstractButton;
72class QGraphicsView;
73QT_END_NAMESPACE
74
75//! [0]
76class MainWindow : public QMainWindow
77{
78 Q_OBJECT
79
80public:
81 MainWindow();
82
83private 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
105private:
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

source code of qtbase/examples/widgets/graphicsview/diagramscene/mainwindow.h