QtBase: examples/widgets/graphicsview/ codestyle

Change-Id: I501066b5eb5a1557d510e0ec20b5270e8c12704a
Reviewed-by: hjk <qthjk@ovi.com>
This commit is contained in:
David Schulz 2012-11-23 09:31:03 +01:00 committed by The Qt Project
parent cbf3771e86
commit dae8d2505d
49 changed files with 296 additions and 302 deletions

View File

@ -38,9 +38,6 @@
**
****************************************************************************/
#include <QGraphicsWidget>
#include <QGraphicsProxyWidget>
#include <QGraphicsAnchorLayout>
#include <QtWidgets>
static QGraphicsProxyWidget *createItem(const QSizeF &minimum = QSizeF(100.0, 100.0),

View File

@ -40,6 +40,10 @@
#include "layoutitem.h"
#include <QGradient>
#include <QGraphicsLinearLayout>
#include <QPainter>
//! [0]
LayoutItem::LayoutItem(QGraphicsItem *parent/* = 0*/)
: QGraphicsLayoutItem(), QGraphicsItem(parent)
@ -71,7 +75,7 @@ void LayoutItem::paint(QPainter *painter,
// paint a background rect (with gradient)
QLinearGradient gradient(frame.topLeft(), frame.topLeft() + QPointF(200,200));
stops << QGradientStop(0.0, QColor(60, 60, 60));
stops << QGradientStop(frame.height()/2/frame.height(), QColor(102, 176, 54));
stops << QGradientStop(frame.height() / 2 / frame.height(), QColor(102, 176, 54));
//stops << QGradientStop(((frame.height() + h)/2 )/frame.height(), QColor(157, 195, 55));
stops << QGradientStop(1.0, QColor(215, 215, 215));
@ -80,9 +84,9 @@ void LayoutItem::paint(QPainter *painter,
painter->drawRoundedRect(frame, 10.0, 10.0);
// paint a rect around the pixmap (with gradient)
QPointF pixpos = frame.center() - (QPointF(w, h)/2);
QPointF pixpos = frame.center() - (QPointF(w, h) / 2);
QRectF innerFrame(pixpos, QSizeF(w, h));
innerFrame.adjust(-4, -4, +4, +4);
innerFrame.adjust(-4, -4, 4, 4);
gradient.setStart(innerFrame.topLeft());
gradient.setFinalStop(innerFrame.bottomRight());
stops.clear();

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@ -40,7 +40,9 @@
#ifndef LAYOUTITEM_H
#define LAYOUTITEM_H
#include <QtWidgets>
#include <QGraphicsLayoutItem>
#include <QGraphicsItem>
//! [0]
class LayoutItem : public QGraphicsLayoutItem, public QGraphicsItem
@ -54,12 +56,11 @@ public:
// Inherited from QGraphicsItem
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
private:
QPixmap *m_pix;
};
//! [0]
#endif
#endif // LAYOUTITEM_H

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@ -38,11 +38,12 @@
**
****************************************************************************/
#include <QtWidgets>
#include "window.h"
int main(int argc, char **argv)
#include <QApplication>
#include <QGraphicsView>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);

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@ -41,6 +41,9 @@
#include "window.h"
#include "layoutitem.h"
#include <QGraphicsLinearLayout>
#include <QGraphicsGridLayout>
Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window)
{
//! [0]
@ -85,6 +88,3 @@ Window::Window(QGraphicsWidget *parent) : QGraphicsWidget(parent, Qt::Window)
//! [3]
}

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@ -41,7 +41,7 @@
#ifndef WINDOW_H
#define WINDOW_H
#include <QtWidgets/QGraphicsWidget>
#include <QGraphicsWidget>
//! [0]
class Window : public QGraphicsWidget {

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@ -42,8 +42,8 @@
#ifndef CHIP_H
#define CHIP_H
#include <QtGui/QColor>
#include <QtWidgets/QGraphicsItem>
#include <QColor>
#include <QGraphicsItem>
class Chip : public QGraphicsItem
{
@ -60,9 +60,10 @@ protected:
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
private:
int x, y;
int x;
int y;
QColor color;
QVector<QPointF> stuff;
};
#endif
#endif // CHIP_H

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@ -43,7 +43,7 @@
#include <QApplication>
int main(int argc, char **argv)
int main(int argc, char *argv[])
{
Q_INIT_RESOURCE(images);

View File

@ -39,11 +39,12 @@
**
****************************************************************************/
#include "chip.h"
#include "mainwindow.h"
#include "view.h"
#include "chip.h"
#include <QtWidgets>
#include <QHBoxLayout>
#include <QSplitter>
MainWindow::MainWindow(QWidget *parent)
: QWidget(parent)

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@ -42,13 +42,12 @@
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QtWidgets/qwidget.h>
#include <QWidget>
QT_FORWARD_DECLARE_CLASS(QGraphicsScene)
QT_FORWARD_DECLARE_CLASS(QGraphicsView)
QT_FORWARD_DECLARE_CLASS(QLabel)
QT_FORWARD_DECLARE_CLASS(QSlider)
QT_FORWARD_DECLARE_CLASS(QSplitter)
QT_BEGIN_NAMESPACE
class QGraphicsScene;
class QSplitter;
QT_END_NAMESPACE
class MainWindow : public QWidget
{
@ -65,4 +64,4 @@ private:
QSplitter *h2Splitter;
};
#endif
#endif // MAINWINDOW_H

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@ -41,7 +41,6 @@
#include "view.h"
#include <QtWidgets>
#ifndef QT_NO_PRINTER
#include <QPrinter>
#include <QPrintDialog>
@ -178,8 +177,10 @@ View::View(const QString &name, QWidget *parent)
connect(resetButton, SIGNAL(clicked()), this, SLOT(resetView()));
connect(zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
connect(rotateSlider, SIGNAL(valueChanged(int)), this, SLOT(setupMatrix()));
connect(graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
connect(graphicsView->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(setResetButtonEnabled()));
connect(graphicsView->verticalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(setResetButtonEnabled()));
connect(graphicsView->horizontalScrollBar(), SIGNAL(valueChanged(int)),
this, SLOT(setResetButtonEnabled()));
connect(selectModeButton, SIGNAL(toggled(bool)), this, SLOT(togglePointerMode()));
connect(dragModeButton, SIGNAL(toggled(bool)), this, SLOT(togglePointerMode()));
connect(antialiasButton, SIGNAL(toggled(bool)), this, SLOT(toggleAntialiasing()));
@ -276,4 +277,3 @@ void View::rotateRight()
{
rotateSlider->setValue(rotateSlider->value() + 10);
}

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@ -45,9 +45,11 @@
#include <QFrame>
#include <QGraphicsView>
QT_FORWARD_DECLARE_CLASS(QLabel)
QT_FORWARD_DECLARE_CLASS(QSlider)
QT_FORWARD_DECLARE_CLASS(QToolButton)
QT_BEGIN_NAMESPACE
class QLabel;
class QSlider;
class QToolButton;
QT_END_NAMESPACE
class View;
@ -101,4 +103,4 @@ private:
QSlider *rotateSlider;
};
#endif
#endif // VIEW_H

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@ -38,19 +38,19 @@
**
****************************************************************************/
#include "mouse.h"
#include <QtWidgets>
#include <math.h>
#include "mouse.h"
static const int MouseCount = 7;
//! [0]
int main(int argc, char **argv)
{
QApplication app(argc, argv);
qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
//! [0]
//! [1]

View File

@ -38,11 +38,14 @@
**
****************************************************************************/
#include <QtWidgets>
#include "arrow.h"
#include <math.h>
#include <QPen>
#include <QPainter>
const qreal Pi = 3.14;
//! [0]

View File

@ -63,22 +63,17 @@ public:
Arrow(DiagramItem *startItem, DiagramItem *endItem,
QGraphicsItem *parent = 0);
int type() const
{ return Type; }
int type() const { return Type; }
QRectF boundingRect() const;
QPainterPath shape() const;
void setColor(const QColor &color)
{ myColor = color; }
DiagramItem *startItem() const
{ return myStartItem; }
DiagramItem *endItem() const
{ return myEndItem; }
void setColor(const QColor &color) { myColor = color; }
DiagramItem *startItem() const { return myStartItem; }
DiagramItem *endItem() const { return myEndItem; }
void updatePosition();
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = 0);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
private:
DiagramItem *myStartItem;
@ -88,4 +83,4 @@ private:
};
//! [0]
#endif
#endif // ARROW_H

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@ -38,11 +38,14 @@
**
****************************************************************************/
#include <QtWidgets>
#include "diagramitem.h"
#include "arrow.h"
#include <QGraphicsScene>
#include <QGraphicsSceneContextMenuEvent>
#include <QMenu>
#include <QPainter>
//! [0]
DiagramItem::DiagramItem(DiagramType diagramType, QMenu *contextMenu,
QGraphicsItem *parent)
@ -138,8 +141,7 @@ void DiagramItem::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
//! [5]
//! [6]
QVariant DiagramItem::itemChange(GraphicsItemChange change,
const QVariant &value)
QVariant DiagramItem::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemPositionChange) {
foreach (Arrow *arrow, arrows) {

View File

@ -67,19 +67,15 @@ public:
enum { Type = UserType + 15 };
enum DiagramType { Step, Conditional, StartEnd, Io };
DiagramItem(DiagramType diagramType, QMenu *contextMenu,
QGraphicsItem *parent = 0);
DiagramItem(DiagramType diagramType, QMenu *contextMenu, QGraphicsItem *parent = 0);
void removeArrow(Arrow *arrow);
void removeArrows();
DiagramType diagramType() const
{ return myDiagramType; }
QPolygonF polygon() const
{ return myPolygon; }
DiagramType diagramType() const { return myDiagramType; }
QPolygonF polygon() const { return myPolygon; }
void addArrow(Arrow *arrow);
QPixmap image() const;
int type() const
{ return Type;}
int type() const { return Type;}
protected:
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
@ -93,4 +89,4 @@ private:
};
//! [0]
#endif
#endif // DIAGRAMITEM_H

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@ -38,11 +38,12 @@
**
****************************************************************************/
#include <QtWidgets>
#include "diagramscene.h"
#include "arrow.h"
#include <QTextCursor>
#include <QGraphicsSceneMouseEvent>
//! [0]
DiagramScene::DiagramScene(QMenu *itemMenu, QObject *parent)
: QGraphicsScene(parent)
@ -63,8 +64,7 @@ void DiagramScene::setLineColor(const QColor &color)
{
myLineColor = color;
if (isItemChange(Arrow::Type)) {
Arrow *item =
qgraphicsitem_cast<Arrow *>(selectedItems().first());
Arrow *item = qgraphicsitem_cast<Arrow *>(selectedItems().first());
item->setColor(myLineColor);
update();
}
@ -76,8 +76,7 @@ void DiagramScene::setTextColor(const QColor &color)
{
myTextColor = color;
if (isItemChange(DiagramTextItem::Type)) {
DiagramTextItem *item =
qgraphicsitem_cast<DiagramTextItem *>(selectedItems().first());
DiagramTextItem *item = qgraphicsitem_cast<DiagramTextItem *>(selectedItems().first());
item->setDefaultTextColor(myTextColor);
}
}
@ -88,8 +87,7 @@ void DiagramScene::setItemColor(const QColor &color)
{
myItemColor = color;
if (isItemChange(DiagramItem::Type)) {
DiagramItem *item =
qgraphicsitem_cast<DiagramItem *>(selectedItems().first());
DiagramItem *item = qgraphicsitem_cast<DiagramItem *>(selectedItems().first());
item->setBrush(myItemColor);
}
}
@ -101,8 +99,7 @@ void DiagramScene::setFont(const QFont &font)
myFont = font;
if (isItemChange(DiagramTextItem::Type)) {
QGraphicsTextItem *item =
qgraphicsitem_cast<DiagramTextItem *>(selectedItems().first());
QGraphicsTextItem *item = qgraphicsitem_cast<DiagramTextItem *>(selectedItems().first());
//At this point the selection can change so the first selected item might not be a DiagramTextItem
if (item)
item->setFont(myFont);
@ -209,10 +206,8 @@ void DiagramScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent)
startItems.first()->type() == DiagramItem::Type &&
endItems.first()->type() == DiagramItem::Type &&
startItems.first() != endItems.first()) {
DiagramItem *startItem =
qgraphicsitem_cast<DiagramItem *>(startItems.first());
DiagramItem *endItem =
qgraphicsitem_cast<DiagramItem *>(endItems.first());
DiagramItem *startItem = qgraphicsitem_cast<DiagramItem *>(startItems.first());
DiagramItem *endItem = qgraphicsitem_cast<DiagramItem *>(endItems.first());
Arrow *arrow = new Arrow(startItem, endItem);
arrow->setColor(myLineColor);
startItem->addArrow(arrow);

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@ -41,10 +41,11 @@
#ifndef DIAGRAMSCENE_H
#define DIAGRAMSCENE_H
#include <QGraphicsScene>
#include "diagramitem.h"
#include "diagramtextitem.h"
#include <QGraphicsScene>
QT_BEGIN_NAMESPACE
class QGraphicsSceneMouseEvent;
class QMenu;
@ -64,14 +65,10 @@ public:
enum Mode { InsertItem, InsertLine, InsertText, MoveItem };
explicit DiagramScene(QMenu *itemMenu, QObject *parent = 0);
QFont font() const
{ return myFont; }
QColor textColor() const
{ return myTextColor; }
QColor itemColor() const
{ return myItemColor; }
QColor lineColor() const
{ return myLineColor; }
QFont font() const { return myFont; }
QColor textColor() const { return myTextColor; }
QColor itemColor() const { return myItemColor; }
QColor lineColor() const { return myLineColor; }
void setLineColor(const QColor &color);
void setTextColor(const QColor &color);
void setItemColor(const QColor &color);
@ -109,4 +106,4 @@ private:
};
//! [0]
#endif
#endif // DIAGRAMSCENE_H

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@ -38,8 +38,6 @@
**
****************************************************************************/
#include <QtWidgets>
#include "diagramtextitem.h"
#include "diagramscene.h"

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@ -61,8 +61,7 @@ public:
DiagramTextItem(QGraphicsItem *parent = 0);
int type() const
{ return Type; }
int type() const { return Type; }
signals:
void lostFocus(DiagramTextItem *item);
@ -75,4 +74,4 @@ protected:
};
//! [0]
#endif
#endif // DIAGRAMTEXTITEM_H

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@ -38,10 +38,10 @@
**
****************************************************************************/
#include <QtWidgets>
#include "mainwindow.h"
#include <QApplication>
int main(int argv, char *args[])
{
Q_INIT_RESOURCE(diagramscene);

View File

@ -38,14 +38,13 @@
**
****************************************************************************/
#include <QtWidgets>
#include <QLabel>
#include "mainwindow.h"
#include "arrow.h"
#include "diagramitem.h"
#include "diagramscene.h"
#include "diagramtextitem.h"
#include "arrow.h"
#include "mainwindow.h"
#include <QtWidgets>
const int InsertTextButton = 10;
@ -134,9 +133,8 @@ void MainWindow::deleteItem()
}
foreach (QGraphicsItem *item, scene->selectedItems()) {
if (item->type() == DiagramItem::Type) {
if (item->type() == DiagramItem::Type)
qgraphicsitem_cast<DiagramItem *>(item)->removeArrows();
}
scene->removeItem(item);
delete item;
}
@ -161,8 +159,7 @@ void MainWindow::bringToFront()
qreal zValue = 0;
foreach (QGraphicsItem *item, overlapItems) {
if (item->zValue() >= zValue &&
item->type() == DiagramItem::Type)
if (item->zValue() >= zValue && item->type() == DiagramItem::Type)
zValue = item->zValue() + 0.1;
}
selectedItem->setZValue(zValue);
@ -180,8 +177,7 @@ void MainWindow::sendToBack()
qreal zValue = 0;
foreach (QGraphicsItem *item, overlapItems) {
if (item->zValue() <= zValue &&
item->type() == DiagramItem::Type)
if (item->zValue() <= zValue && item->type() == DiagramItem::Type)
zValue = item->zValue() - 0.1;
}
selectedItem->setZValue(zValue);
@ -329,12 +325,9 @@ void MainWindow::createToolBox()
connect(buttonGroup, SIGNAL(buttonClicked(int)),
this, SLOT(buttonGroupClicked(int)));
QGridLayout *layout = new QGridLayout;
layout->addWidget(createCellWidget(tr("Conditional"),
DiagramItem::Conditional), 0, 0);
layout->addWidget(createCellWidget(tr("Process"),
DiagramItem::Step),0, 1);
layout->addWidget(createCellWidget(tr("Input/Output"),
DiagramItem::Io), 1, 0);
layout->addWidget(createCellWidget(tr("Conditional"), DiagramItem::Conditional), 0, 0);
layout->addWidget(createCellWidget(tr("Process"), DiagramItem::Step),0, 1);
layout->addWidget(createCellWidget(tr("Input/Output"), DiagramItem::Io), 1, 0);
//! [21]
QToolButton *textButton = new QToolButton;
@ -392,23 +385,18 @@ void MainWindow::createActions()
tr("Bring to &Front"), this);
toFrontAction->setShortcut(tr("Ctrl+F"));
toFrontAction->setStatusTip(tr("Bring item to front"));
connect(toFrontAction, SIGNAL(triggered()),
this, SLOT(bringToFront()));
connect(toFrontAction, SIGNAL(triggered()), this, SLOT(bringToFront()));
//! [23]
sendBackAction = new QAction(QIcon(":/images/sendtoback.png"),
tr("Send to &Back"), this);
sendBackAction = new QAction(QIcon(":/images/sendtoback.png"), tr("Send to &Back"), this);
sendBackAction->setShortcut(tr("Ctrl+B"));
sendBackAction->setStatusTip(tr("Send item to back"));
connect(sendBackAction, SIGNAL(triggered()),
this, SLOT(sendToBack()));
connect(sendBackAction, SIGNAL(triggered()), this, SLOT(sendToBack()));
deleteAction = new QAction(QIcon(":/images/delete.png"),
tr("&Delete"), this);
deleteAction = new QAction(QIcon(":/images/delete.png"), tr("&Delete"), this);
deleteAction->setShortcut(tr("Delete"));
deleteAction->setStatusTip(tr("Delete item from diagram"));
connect(deleteAction, SIGNAL(triggered()),
this, SLOT(deleteItem()));
connect(deleteAction, SIGNAL(triggered()), this, SLOT(deleteItem()));
exitAction = new QAction(tr("E&xit"), this);
exitAction->setShortcuts(QKeySequence::Quit);
@ -420,27 +408,21 @@ void MainWindow::createActions()
QPixmap pixmap(":/images/bold.png");
boldAction->setIcon(QIcon(pixmap));
boldAction->setShortcut(tr("Ctrl+B"));
connect(boldAction, SIGNAL(triggered()),
this, SLOT(handleFontChange()));
connect(boldAction, SIGNAL(triggered()), this, SLOT(handleFontChange()));
italicAction = new QAction(QIcon(":/images/italic.png"),
tr("Italic"), this);
italicAction = new QAction(QIcon(":/images/italic.png"), tr("Italic"), this);
italicAction->setCheckable(true);
italicAction->setShortcut(tr("Ctrl+I"));
connect(italicAction, SIGNAL(triggered()),
this, SLOT(handleFontChange()));
connect(italicAction, SIGNAL(triggered()), this, SLOT(handleFontChange()));
underlineAction = new QAction(QIcon(":/images/underline.png"),
tr("Underline"), this);
underlineAction = new QAction(QIcon(":/images/underline.png"), tr("Underline"), this);
underlineAction->setCheckable(true);
underlineAction->setShortcut(tr("Ctrl+U"));
connect(underlineAction, SIGNAL(triggered()),
this, SLOT(handleFontChange()));
connect(underlineAction, SIGNAL(triggered()), this, SLOT(handleFontChange()));
aboutAction = new QAction(tr("A&bout"), this);
aboutAction->setShortcut(tr("Ctrl+B"));
connect(aboutAction, SIGNAL(triggered()),
this, SLOT(about()));
connect(aboutAction, SIGNAL(triggered()), this, SLOT(about()));
}
//! [24]
@ -484,11 +466,9 @@ void MainWindow::createToolbars()
fontColorToolButton = new QToolButton;
fontColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
fontColorToolButton->setMenu(createColorMenu(SLOT(textColorChanged()),
Qt::black));
fontColorToolButton->setMenu(createColorMenu(SLOT(textColorChanged()), Qt::black));
textAction = fontColorToolButton->menu()->defaultAction();
fontColorToolButton->setIcon(createColorToolButtonIcon(
":/images/textpointer.png", Qt::black));
fontColorToolButton->setIcon(createColorToolButtonIcon(":/images/textpointer.png", Qt::black));
fontColorToolButton->setAutoFillBackground(true);
connect(fontColorToolButton, SIGNAL(clicked()),
this, SLOT(textButtonTriggered()));
@ -496,8 +476,7 @@ void MainWindow::createToolbars()
//! [26]
fillColorToolButton = new QToolButton;
fillColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
fillColorToolButton->setMenu(createColorMenu(SLOT(itemColorChanged()),
Qt::white));
fillColorToolButton->setMenu(createColorMenu(SLOT(itemColorChanged()), Qt::white));
fillAction = fillColorToolButton->menu()->defaultAction();
fillColorToolButton->setIcon(createColorToolButtonIcon(
":/images/floodfill.png", Qt::white));
@ -507,8 +486,7 @@ void MainWindow::createToolbars()
lineColorToolButton = new QToolButton;
lineColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
lineColorToolButton->setMenu(createColorMenu(SLOT(lineColorChanged()),
Qt::black));
lineColorToolButton->setMenu(createColorMenu(SLOT(lineColorChanged()), Qt::black));
lineAction = lineColorToolButton->menu()->defaultAction();
lineColorToolButton->setIcon(createColorToolButtonIcon(
":/images/linecolor.png", Qt::black));
@ -537,8 +515,7 @@ void MainWindow::createToolbars()
pointerTypeGroup = new QButtonGroup(this);
pointerTypeGroup->addButton(pointerButton, int(DiagramScene::MoveItem));
pointerTypeGroup->addButton(linePointerButton,
int(DiagramScene::InsertLine));
pointerTypeGroup->addButton(linePointerButton, int(DiagramScene::InsertLine));
connect(pointerTypeGroup, SIGNAL(buttonClicked(int)),
this, SLOT(pointerGroupClicked(int)));
@ -559,8 +536,7 @@ void MainWindow::createToolbars()
//! [27]
//! [28]
QWidget *MainWindow::createBackgroundCellWidget(const QString &text,
const QString &image)
QWidget *MainWindow::createBackgroundCellWidget(const QString &text, const QString &image)
{
QToolButton *button = new QToolButton;
button->setText(text);
@ -581,8 +557,7 @@ QWidget *MainWindow::createBackgroundCellWidget(const QString &text,
//! [28]
//! [29]
QWidget *MainWindow::createCellWidget(const QString &text,
DiagramItem::DiagramType type)
QWidget *MainWindow::createCellWidget(const QString &text, DiagramItem::DiagramType type)
{
DiagramItem item(type, itemMenu);
@ -619,20 +594,17 @@ QMenu *MainWindow::createColorMenu(const char *slot, QColor defaultColor)
QAction *action = new QAction(names.at(i), this);
action->setData(colors.at(i));
action->setIcon(createColorIcon(colors.at(i)));
connect(action, SIGNAL(triggered()),
this, slot);
connect(action, SIGNAL(triggered()), this, slot);
colorMenu->addAction(action);
if (colors.at(i) == defaultColor) {
if (colors.at(i) == defaultColor)
colorMenu->setDefaultAction(action);
}
}
return colorMenu;
}
//! [30]
//! [31]
QIcon MainWindow::createColorToolButtonIcon(const QString &imageFile,
QColor color)
QIcon MainWindow::createColorToolButtonIcon(const QString &imageFile, QColor color)
{
QPixmap pixmap(50, 80);
pixmap.fill(Qt::transparent);

View File

@ -41,10 +41,10 @@
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include "diagramitem.h"
#include <QMainWindow>
class DiagramScene;
QT_BEGIN_NAMESPACE
@ -147,4 +147,4 @@ private:
};
//! [0]
#endif
#endif // MAINWINDOW_H

View File

@ -38,13 +38,13 @@
**
****************************************************************************/
#include <QPainter>
#include "edge.h"
#include "node.h"
#include <math.h>
#include <QPainter>
static const double Pi = 3.14159265358979323846264338327950288419717;
static double TwoPi = 2.0 * Pi;

View File

@ -72,4 +72,4 @@ private:
};
//! [0]
#endif
#endif // EDGE_H

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@ -42,10 +42,10 @@
#include "edge.h"
#include "node.h"
#include <QtWidgets>
#include <math.h>
#include <QKeyEvent>
//! [0]
GraphWidget::GraphWidget(QWidget *parent)
: QGraphicsView(parent), timerId(0)

View File

@ -41,7 +41,7 @@
#ifndef GRAPHWIDGET_H
#define GRAPHWIDGET_H
#include <QtWidgets/QGraphicsView>
#include <QGraphicsView>
class Node;
@ -74,4 +74,4 @@ private:
};
//! [0]
#endif
#endif // GRAPHWIDGET_H

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@ -38,10 +38,12 @@
**
****************************************************************************/
#include <QtWidgets>
#include "graphwidget.h"
#include <QApplication>
#include <QTime>
#include <QMainWindow>
int main(int argc, char **argv)
{
QApplication app(argc, argv);

View File

@ -38,15 +38,15 @@
**
****************************************************************************/
#include "edge.h"
#include "node.h"
#include "graphwidget.h"
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QStyleOption>
#include "edge.h"
#include "node.h"
#include "graphwidget.h"
//! [0]
Node::Node(GraphWidget *graphWidget)
: graph(graphWidget)
@ -142,8 +142,7 @@ bool Node::advance()
QRectF Node::boundingRect() const
{
qreal adjust = 2;
return QRectF( -10 - adjust, -10 - adjust,
23 + adjust, 23 + adjust);
return QRectF( -10 - adjust, -10 - adjust, 23 + adjust, 23 + adjust);
}
//! [8]

View File

@ -82,4 +82,4 @@ private:
};
//! [0]
#endif
#endif // NODE_H

View File

@ -41,7 +41,9 @@
#include "customproxy.h"
#include <QtWidgets>
#include <QStyleOptionGraphicsItem>
#include <QPainter>
#include <QGraphicsScene>
CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
: QGraphicsProxyWidget(parent, wFlags), popupShown(false), currentPopup(0)
@ -95,13 +97,16 @@ void CustomProxy::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
void CustomProxy::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
QGraphicsProxyWidget::hoverLeaveEvent(event);
if (!popupShown && (timeLine->direction() != QTimeLine::Backward || timeLine->currentValue() != 0))
if (!popupShown
&& (timeLine->direction() != QTimeLine::Backward || timeLine->currentValue() != 0)) {
zoomOut();
}
}
bool CustomProxy::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
{
if (watched->isWindow() && (event->type() == QEvent::UngrabMouse || event->type() == QEvent::GrabMouse)) {
if (watched->isWindow()
&& (event->type() == QEvent::UngrabMouse || event->type() == QEvent::GrabMouse)) {
popupShown = watched->isVisible();
if (!popupShown && !isUnderMouse())
zoomOut();

View File

@ -42,12 +42,13 @@
#ifndef CUSTOMPROXY_H
#define CUSTOMPROXY_H
#include <QtCore/qtimeline.h>
#include <QtWidgets/qgraphicsproxywidget.h>
#include <QTimeLine>
#include <QGraphicsProxyWidget>
class CustomProxy : public QGraphicsProxyWidget
{
Q_OBJECT
public:
explicit CustomProxy(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
@ -73,4 +74,4 @@ private:
QGraphicsItem *currentPopup;
};
#endif
#endif // CUSTOMPROXY_H

View File

@ -42,12 +42,12 @@
#include "embeddeddialog.h"
#include "ui_embeddeddialog.h"
#include <QtWidgets>
#include <QStyleFactory>
EmbeddedDialog::EmbeddedDialog(QWidget *parent)
: QDialog(parent)
, ui(new Ui::EmbeddedDialog)
{
ui = new Ui_embeddedDialog;
ui->setupUi(this);
ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);

View File

@ -42,13 +42,18 @@
#ifndef EMBEDDEDDIALOG_H
#define EMBEDDEDDIALOG_H
#include <QtWidgets/qdialog.h>
#include <QDialog>
QT_FORWARD_DECLARE_CLASS(Ui_embeddedDialog);
QT_BEGIN_NAMESPACE
namespace Ui {
class EmbeddedDialog;
}
QT_END_NAMESPACE
class EmbeddedDialog : public QDialog
{
Q_OBJECT
public:
EmbeddedDialog(QWidget *parent = 0);
~EmbeddedDialog();
@ -60,7 +65,7 @@ private slots:
void styleChanged(const QString &styleName);
private:
Ui_embeddedDialog *ui;
Ui::EmbeddedDialog *ui;
};
#endif
#endif // EMBEDDEDDIALOG_H

View File

@ -1,7 +1,8 @@
<ui version="4.0" >
<class>embeddedDialog</class>
<widget class="QDialog" name="embeddedDialog" >
<property name="geometry" >
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>EmbeddedDialog</class>
<widget class="QDialog" name="EmbeddedDialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
@ -9,73 +10,73 @@
<height>134</height>
</rect>
</property>
<property name="windowTitle" >
<property name="windowTitle">
<string>Embedded Dialog</string>
</property>
<layout class="QFormLayout" name="formLayout" >
<item row="0" column="0" >
<widget class="QLabel" name="label" >
<property name="text" >
<layout class="QFormLayout" name="formLayout">
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>Layout Direction:</string>
</property>
<property name="buddy" >
<property name="buddy">
<cstring>layoutDirection</cstring>
</property>
</widget>
</item>
<item row="0" column="1" >
<widget class="QComboBox" name="layoutDirection" >
<item row="0" column="1">
<widget class="QComboBox" name="layoutDirection">
<item>
<property name="text" >
<property name="text">
<string>Left to Right</string>
</property>
</item>
<item>
<property name="text" >
<property name="text">
<string>Right to Left</string>
</property>
</item>
</widget>
</item>
<item row="1" column="0" >
<widget class="QLabel" name="label_2" >
<property name="text" >
<item row="1" column="0">
<widget class="QLabel" name="label_2">
<property name="text">
<string>Select Font:</string>
</property>
<property name="buddy" >
<property name="buddy">
<cstring>fontComboBox</cstring>
</property>
</widget>
</item>
<item row="1" column="1" >
<widget class="QFontComboBox" name="fontComboBox" />
<item row="1" column="1">
<widget class="QFontComboBox" name="fontComboBox"/>
</item>
<item row="2" column="0" >
<widget class="QLabel" name="label_3" >
<property name="text" >
<item row="2" column="0">
<widget class="QLabel" name="label_3">
<property name="text">
<string>Style:</string>
</property>
<property name="buddy" >
<property name="buddy">
<cstring>style</cstring>
</property>
</widget>
</item>
<item row="2" column="1" >
<widget class="QComboBox" name="style" />
<item row="2" column="1">
<widget class="QComboBox" name="style"/>
</item>
<item row="3" column="0" >
<widget class="QLabel" name="label_4" >
<property name="text" >
<item row="3" column="0">
<widget class="QLabel" name="label_4">
<property name="text">
<string>Layout spacing:</string>
</property>
<property name="buddy" >
<property name="buddy">
<cstring>spacing</cstring>
</property>
</widget>
</item>
<item row="3" column="1" >
<widget class="QSlider" name="spacing" >
<property name="orientation" >
<item row="3" column="1">
<widget class="QSlider" name="spacing">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
</widget>

View File

@ -42,7 +42,9 @@
#include "customproxy.h"
#include "embeddeddialog.h"
#include <QtWidgets>
#include <QApplication>
#include <QGraphicsScene>
#include <QGraphicsView>
int main(int argc, char *argv[])
{

View File

@ -39,8 +39,10 @@
****************************************************************************/
#include "flowlayout.h"
#include <QtWidgets/qwidget.h>
#include <QtCore/qmath.h>
#include <qmath.h>
#include <QWidget>
FlowLayout::FlowLayout()
{

View File

@ -38,7 +38,7 @@
**
****************************************************************************/
#include <QtWidgets/qgraphicslayout.h>
#include <QGraphicsLayout>
class FlowLayout : public QGraphicsLayout
{

View File

@ -38,10 +38,13 @@
**
****************************************************************************/
#include <QtWidgets>
#include "window.h"
int main(int argc, char **argv)
#include <QApplication>
#include <QGraphicsView>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);

View File

@ -38,11 +38,12 @@
**
****************************************************************************/
#include <QtWidgets/qgraphicsproxywidget.h>
#include <QtWidgets/qlabel.h>
#include "flowlayout.h"
#include "window.h"
#include <QGraphicsProxyWidget>
#include <QLabel>
Window::Window()
: QGraphicsWidget(0, Qt::Window)
{

View File

@ -38,10 +38,12 @@
**
****************************************************************************/
#include <QtWidgets/qgraphicswidget.h>
#include <QGraphicsWidget>
class Window : public QGraphicsWidget {
class Window : public QGraphicsWidget
{
Q_OBJECT
public:
Window();
};

View File

@ -40,7 +40,7 @@
#include "flippablepad.h"
#include <QtWidgets/QtWidgets>
#include <QDirIterator>
//! [0]
static QRectF boundsFromSize(const QSize &size)

View File

@ -42,9 +42,8 @@
#include "padnavigator.h"
#include "splashitem.h"
#include <QtWidgets/QtWidgets>
#ifndef QT_NO_OPENGL
#include <QtOpenGL/QtOpenGL>
#include <QtOpenGL>
#endif
//! [0]
@ -90,8 +89,7 @@ PadNavigator::PadNavigator(const QSize &size, QWidget *parent)
//! [4]
// Selection item
RoundRectItem *selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120),
Qt::gray, pad);
RoundRectItem *selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120), Qt::gray, pad);
selectionItem->setZValue(0.5);
//! [4]
@ -288,7 +286,9 @@ PadNavigator::PadNavigator(const QSize &size, QWidget *parent)
setMinimumSize(50, 50);
setViewportUpdateMode(FullViewportUpdate);
setCacheMode(CacheBackground);
setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
setRenderHints(QPainter::Antialiasing
| QPainter::SmoothPixmapTransform
| QPainter::TextAntialiasing);
#ifndef QT_NO_OPENGL
setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
#endif

View File

@ -45,11 +45,8 @@
#include "ui_form.h"
QT_BEGIN_NAMESPACE
class QState;
class QStateMachine;
class Ui_Form;
QT_END_NAMESPACE
//! [0]
@ -63,7 +60,7 @@ protected:
void resizeEvent(QResizeEvent *event);
private:
Ui_Form form;
Ui::Form form;
};
//! [0]

View File

@ -40,7 +40,9 @@
#include "roundrectitem.h"
#include <QtWidgets/QtWidgets>
#include <QApplication>
#include <QPainter>
#include <QPalette>
//! [0]
RoundRectItem::RoundRectItem(const QRectF &bounds, const QColor &color,

View File

@ -40,7 +40,7 @@
#include "splashitem.h"
#include <QtWidgets/QtWidgets>
#include <QPainter>
//! [0]
SplashItem::SplashItem(QGraphicsItem *parent)

View File

@ -45,7 +45,10 @@ class Widget : public QGraphicsWidget
public:
Widget(const QColor &color, const QColor &textColor, const QString &caption,
QGraphicsItem *parent = 0)
: QGraphicsWidget(parent), caption(caption), color(color), textColor(textColor)
: QGraphicsWidget(parent)
, caption(caption)
, color(color)
, textColor(textColor)
{
}

View File

@ -38,23 +38,24 @@
**
****************************************************************************/
#include <QApplication>
#include <QLabel>
#include <QPainter>
#include <QPushButton>
#include <QApplication>
#include <QGraphicsView>
#include <QGraphicsScene>
#include <QGraphicsWidget>
#include <QGraphicsProxyWidget>
#include <QGraphicsAnchorLayout>
#include <QGraphicsProxyWidget>
#include <QGraphicsScene>
#include <QGraphicsSceneResizeEvent>
#include <QGraphicsView>
#include <QGraphicsWidget>
class GraphicsView : public QGraphicsView
{
public:
GraphicsView(QGraphicsScene *scene, QGraphicsWidget *widget) : QGraphicsView(scene), w(widget)
GraphicsView(QGraphicsScene *scene, QGraphicsWidget *widget)
: QGraphicsView(scene), w(widget)
{
}
@ -70,7 +71,8 @@ class PixmapWidget : public QGraphicsLayoutItem
{
public:
PixmapWidget(const QPixmap &pix) : QGraphicsLayoutItem()
PixmapWidget(const QPixmap &pix)
: QGraphicsLayoutItem()
{
original = new QGraphicsPixmapItem(pix);
setGraphicsItem(original);
@ -91,7 +93,8 @@ public:
void setGeometry (const QRectF &rect)
{
original->setTransform(QTransform::fromScale(rect.width() / r.width(), rect.height() / r.height()), true);
original->setTransform(QTransform::fromScale(rect.width() / r.width(),
rect.height() / r.height()), true);
original->setPos(rect.x(), rect.y());
r = rect;
}
@ -128,7 +131,10 @@ class PlaceWidget : public QGraphicsWidget
Q_OBJECT
public:
PlaceWidget(const QPixmap &pix) : QGraphicsWidget(), original(pix), scaled(pix)
PlaceWidget(const QPixmap &pix)
: QGraphicsWidget()
, original(pix)
, scaled(pix)
{
}
@ -183,7 +189,7 @@ private:
};
int main(int argc, char **argv)
int main(int argc, char *argv[])
{
Q_INIT_RESOURCE(weatheranchorlayout);
@ -219,51 +225,51 @@ int main(int argc, char **argv)
sunnyWeather->setZValue(9999);
// start anchor layout
QGraphicsAnchorLayout *l = new QGraphicsAnchorLayout;
l->setSpacing(0);
QGraphicsAnchorLayout *layout = new QGraphicsAnchorLayout;
layout->setSpacing(0);
// setup the main widget
QGraphicsWidget *w = new QGraphicsWidget(0, Qt::Window);
QGraphicsWidget *widget = new QGraphicsWidget(0, Qt::Window);
QPalette p;
p.setColor(QPalette::Window, Qt::black);
w->setPalette(p);
w->setPos(20, 20);
w->setLayout(l);
widget->setPalette(p);
widget->setPos(20, 20);
widget->setLayout(layout);
// vertical anchors
QGraphicsAnchor *anchor = l->addAnchor(title, Qt::AnchorTop, l, Qt::AnchorTop);
anchor = l->addAnchor(place, Qt::AnchorTop, title, Qt::AnchorBottom);
QGraphicsAnchor *anchor = layout->addAnchor(title, Qt::AnchorTop, layout, Qt::AnchorTop);
anchor = layout->addAnchor(place, Qt::AnchorTop, title, Qt::AnchorBottom);
anchor->setSpacing(12);
anchor = l->addAnchor(place, Qt::AnchorBottom, l, Qt::AnchorBottom);
anchor = layout->addAnchor(place, Qt::AnchorBottom, layout, Qt::AnchorBottom);
anchor->setSpacing(12);
anchor = l->addAnchor(sunnyWeather, Qt::AnchorTop, title, Qt::AnchorTop);
anchor = l->addAnchor(sunnyWeather, Qt::AnchorBottom, l, Qt::AnchorVerticalCenter);
anchor = layout->addAnchor(sunnyWeather, Qt::AnchorTop, title, Qt::AnchorTop);
anchor = layout->addAnchor(sunnyWeather, Qt::AnchorBottom, layout, Qt::AnchorVerticalCenter);
anchor = l->addAnchor(tabbar, Qt::AnchorTop, title, Qt::AnchorBottom);
anchor = layout->addAnchor(tabbar, Qt::AnchorTop, title, Qt::AnchorBottom);
anchor->setSpacing(5);
anchor = l->addAnchor(details, Qt::AnchorTop, tabbar, Qt::AnchorBottom);
anchor = layout->addAnchor(details, Qt::AnchorTop, tabbar, Qt::AnchorBottom);
anchor->setSpacing(2);
anchor = l->addAnchor(details, Qt::AnchorBottom, l, Qt::AnchorBottom);
anchor = layout->addAnchor(details, Qt::AnchorBottom, layout, Qt::AnchorBottom);
anchor->setSpacing(12);
// horizontal anchors
anchor = l->addAnchor(l, Qt::AnchorLeft, title, Qt::AnchorLeft);
anchor = l->addAnchor(title, Qt::AnchorRight, l, Qt::AnchorRight);
anchor = layout->addAnchor(layout, Qt::AnchorLeft, title, Qt::AnchorLeft);
anchor = layout->addAnchor(title, Qt::AnchorRight, layout, Qt::AnchorRight);
anchor = l->addAnchor(place, Qt::AnchorLeft, l, Qt::AnchorLeft);
anchor = layout->addAnchor(place, Qt::AnchorLeft, layout, Qt::AnchorLeft);
anchor->setSpacing(15);
anchor = l->addAnchor(place, Qt::AnchorRight, details, Qt::AnchorLeft);
anchor = layout->addAnchor(place, Qt::AnchorRight, details, Qt::AnchorLeft);
anchor->setSpacing(35);
anchor = l->addAnchor(sunnyWeather, Qt::AnchorLeft, place, Qt::AnchorHorizontalCenter);
anchor = l->addAnchor(sunnyWeather, Qt::AnchorRight, l, Qt::AnchorHorizontalCenter);
anchor = layout->addAnchor(sunnyWeather, Qt::AnchorLeft, place, Qt::AnchorHorizontalCenter);
anchor = layout->addAnchor(sunnyWeather, Qt::AnchorRight, layout, Qt::AnchorHorizontalCenter);
anchor = l->addAnchor(tabbar, Qt::AnchorHorizontalCenter, details, Qt::AnchorHorizontalCenter);
anchor = l->addAnchor(details, Qt::AnchorRight, l, Qt::AnchorRight);
anchor = layout->addAnchor(tabbar, Qt::AnchorHorizontalCenter, details, Qt::AnchorHorizontalCenter);
anchor = layout->addAnchor(details, Qt::AnchorRight, layout, Qt::AnchorRight);
// QGV setup
scene.addItem(w);
scene.addItem(widget);
scene.setBackgroundBrush(Qt::white);
QGraphicsView *view = new QGraphicsView(&scene);
view->show();