QtBase
v6.3.1
examples
widgets
graphicsview
diagramscene
diagramscene.h
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#ifndef DIAGRAMSCENE_H
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#define DIAGRAMSCENE_H
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#include "
diagramitem.h
"
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#include "
diagramtextitem.h
"
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#include <QGraphicsScene>
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QT_BEGIN_NAMESPACE
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class
QGraphicsSceneMouseEvent
;
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class
QMenu
;
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class
QPointF
;
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class
QGraphicsLineItem
;
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class
QFont
;
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class
QGraphicsTextItem
;
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class
QColor
;
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QT_END_NAMESPACE
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class
DiagramScene
:
public
QGraphicsScene
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{
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Q_OBJECT
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public
:
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enum
Mode
{
InsertItem
,
InsertLine
,
InsertText
,
MoveItem
};
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explicit
DiagramScene
(
QMenu
*itemMenu,
QObject
*
parent
=
nullptr
);
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QFont
font
()
const
{
return
myFont; }
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QColor
textColor
()
const
{
return
myTextColor; }
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QColor
itemColor
()
const
{
return
myItemColor; }
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QColor
lineColor
()
const
{
return
myLineColor; }
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void
setLineColor
(
const
QColor
&
color
);
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void
setTextColor
(
const
QColor
&
color
);
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void
setItemColor
(
const
QColor
&
color
);
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void
setFont
(
const
QFont
&
font
);
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public
slots
:
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void
setMode
(
Mode
mode
);
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void
setItemType
(
DiagramItem::DiagramType
type
);
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void
editorLostFocus
(
DiagramTextItem
*
item
);
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signals
:
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void
itemInserted
(
DiagramItem
*
item
);
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void
textInserted
(
QGraphicsTextItem
*
item
);
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void
itemSelected
(
QGraphicsItem
*
item
);
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protected
:
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void
mousePressEvent
(
QGraphicsSceneMouseEvent
*mouseEvent)
override
;
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void
mouseMoveEvent
(
QGraphicsSceneMouseEvent
*mouseEvent)
override
;
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void
mouseReleaseEvent
(
QGraphicsSceneMouseEvent
*mouseEvent)
override
;
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private
:
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bool
isItemChange(
int
type
)
const
;
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DiagramItem::DiagramType
myItemType;
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QMenu
*myItemMenu;
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Mode
myMode;
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bool
leftButtonDown;
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QPointF
startPoint;
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QGraphicsLineItem
*line;
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QFont
myFont;
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DiagramTextItem
*textItem;
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QColor
myTextColor;
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QColor
myItemColor;
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QColor
myLineColor;
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};
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#endif
// DIAGRAMSCENE_H
DiagramItem
[0]
Definition:
diagramitem.h:68
DiagramItem::DiagramType
DiagramType
Definition:
diagramitem.h:71
DiagramScene
[0]
Definition:
diagramscene.h:71
DiagramScene::lineColor
QColor lineColor() const
Definition:
diagramscene.h:81
DiagramScene::setLineColor
void setLineColor(const QColor &color)
[0]
Definition:
diagramscene.cpp:73
DiagramScene::font
QFont font() const
Definition:
diagramscene.h:78
DiagramScene::setItemColor
void setItemColor(const QColor &color)
[2]
Definition:
diagramscene.cpp:96
DiagramScene::setTextColor
void setTextColor(const QColor &color)
[1]
Definition:
diagramscene.cpp:85
DiagramScene::mouseReleaseEvent
void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent) override
[10]
Definition:
diagramscene.cpp:201
DiagramScene::setItemType
void setItemType(DiagramItem::DiagramType type)
Definition:
diagramscene.cpp:125
DiagramScene::mouseMoveEvent
void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent) override
[9]
Definition:
diagramscene.cpp:189
DiagramScene::setMode
void setMode(Mode mode)
[4]
Definition:
diagramscene.cpp:120
DiagramScene::Mode
Mode
Definition:
diagramscene.h:75
DiagramScene::InsertLine
@ InsertLine
Definition:
diagramscene.h:75
DiagramScene::MoveItem
@ MoveItem
Definition:
diagramscene.h:75
DiagramScene::InsertItem
@ InsertItem
Definition:
diagramscene.h:75
DiagramScene::InsertText
@ InsertText
Definition:
diagramscene.h:75
DiagramScene::DiagramScene
DiagramScene(QMenu *itemMenu, QObject *parent=nullptr)
[0]
Definition:
diagramscene.cpp:58
DiagramScene::itemSelected
void itemSelected(QGraphicsItem *item)
DiagramScene::textInserted
void textInserted(QGraphicsTextItem *item)
DiagramScene::textColor
QColor textColor() const
Definition:
diagramscene.h:79
DiagramScene::itemColor
QColor itemColor() const
Definition:
diagramscene.h:80
DiagramScene::mousePressEvent
void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent) override
[5]
Definition:
diagramscene.cpp:145
DiagramScene::editorLostFocus
void editorLostFocus(DiagramTextItem *item)
[5]
Definition:
diagramscene.cpp:131
DiagramScene::setFont
void setFont(const QFont &font)
[3]
Definition:
diagramscene.cpp:107
DiagramScene::itemInserted
void itemInserted(DiagramItem *item)
DiagramTextItem
[0]
Definition:
diagramtextitem.h:62
QColor
The QColor class provides colors based on RGB, HSV or CMYK values.
Definition:
qcolor.h:67
QFont
The QFont class specifies a query for a font used for drawing text.
Definition:
qfont.h:56
QGraphicsItem
The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene.
Definition:
qgraphicsitem.h:83
QGraphicsLineItem
The QGraphicsLineItem class provides a line item that you can add to a QGraphicsScene.
Definition:
qgraphicsitem.h:765
QGraphicsScene
The QGraphicsScene class provides a surface for managing a large number of 2D graphical items.
Definition:
qgraphicsscene.h:95
QGraphicsSceneMouseEvent
The QGraphicsSceneMouseEvent class provides mouse events in the graphics view framework.
Definition:
qgraphicssceneevent.h:83
QGraphicsTextItem
The QGraphicsTextItem class provides a text item that you can add to a QGraphicsScene to display form...
Definition:
qgraphicsitem.h:858
QMenu
The QMenu class provides a menu widget for use in menu bars, context menus, and other popup menus.
Definition:
qmenu.h:62
QObject
The QObject class is the base class of all Qt objects.
Definition:
qobject.h:125
QObject::parent
QObject * parent() const
Definition:
qobject.h:409
QPointF
The QPointF class defines a point in the plane using floating point precision.
Definition:
qpoint.h:242
diagramtextitem.h
QT_BEGIN_NAMESPACE
Definition:
server.cpp:57
QT_END_NAMESPACE
Definition:
qsharedpointer.cpp:1532
Mode
Mode
Definition:
qmetaobjectbuilder.cpp:1163
type
GLenum type
Definition:
qopengl.h:270
mode
GLenum mode
Definition:
qopengles2ext.h:333
color
GLuint color
[2]
Definition:
qopengles2ext.h:1140
Q_OBJECT
#define Q_OBJECT
Definition:
qtmetamacros.h:158
slots
#define slots
Definition:
qtmetamacros.h:76
signals
#define signals
Definition:
qtmetamacros.h:77
item
QGraphicsItem * item
Definition:
src_gui_graphicsview_qgraphicsitem.cpp:172
diagramitem.h
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