38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
663 lines
21 KiB
C++
663 lines
21 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
|
|
** All rights reserved.
|
|
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** You may use this file under the terms of the BSD license as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
|
|
** the names of its contributors may be used to endorse or promote
|
|
** products derived from this software without specific prior written
|
|
** permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include <QtGui>
|
|
#include <QLabel>
|
|
|
|
#include "mainwindow.h"
|
|
#include "diagramitem.h"
|
|
#include "diagramscene.h"
|
|
#include "diagramtextitem.h"
|
|
#include "arrow.h"
|
|
|
|
const int InsertTextButton = 10;
|
|
|
|
//! [0]
|
|
MainWindow::MainWindow()
|
|
{
|
|
createActions();
|
|
createToolBox();
|
|
createMenus();
|
|
|
|
scene = new DiagramScene(itemMenu, this);
|
|
scene->setSceneRect(QRectF(0, 0, 5000, 5000));
|
|
connect(scene, SIGNAL(itemInserted(DiagramItem*)),
|
|
this, SLOT(itemInserted(DiagramItem*)));
|
|
connect(scene, SIGNAL(textInserted(QGraphicsTextItem*)),
|
|
this, SLOT(textInserted(QGraphicsTextItem*)));
|
|
connect(scene, SIGNAL(itemSelected(QGraphicsItem*)),
|
|
this, SLOT(itemSelected(QGraphicsItem*)));
|
|
createToolbars();
|
|
|
|
QHBoxLayout *layout = new QHBoxLayout;
|
|
layout->addWidget(toolBox);
|
|
view = new QGraphicsView(scene);
|
|
layout->addWidget(view);
|
|
|
|
QWidget *widget = new QWidget;
|
|
widget->setLayout(layout);
|
|
|
|
setCentralWidget(widget);
|
|
setWindowTitle(tr("Diagramscene"));
|
|
setUnifiedTitleAndToolBarOnMac(true);
|
|
}
|
|
//! [0]
|
|
|
|
//! [1]
|
|
void MainWindow::backgroundButtonGroupClicked(QAbstractButton *button)
|
|
{
|
|
QList<QAbstractButton *> buttons = backgroundButtonGroup->buttons();
|
|
foreach (QAbstractButton *myButton, buttons) {
|
|
if (myButton != button)
|
|
button->setChecked(false);
|
|
}
|
|
QString text = button->text();
|
|
if (text == tr("Blue Grid"))
|
|
scene->setBackgroundBrush(QPixmap(":/images/background1.png"));
|
|
else if (text == tr("White Grid"))
|
|
scene->setBackgroundBrush(QPixmap(":/images/background2.png"));
|
|
else if (text == tr("Gray Grid"))
|
|
scene->setBackgroundBrush(QPixmap(":/images/background3.png"));
|
|
else
|
|
scene->setBackgroundBrush(QPixmap(":/images/background4.png"));
|
|
|
|
scene->update();
|
|
view->update();
|
|
}
|
|
//! [1]
|
|
|
|
//! [2]
|
|
void MainWindow::buttonGroupClicked(int id)
|
|
{
|
|
QList<QAbstractButton *> buttons = buttonGroup->buttons();
|
|
foreach (QAbstractButton *button, buttons) {
|
|
if (buttonGroup->button(id) != button)
|
|
button->setChecked(false);
|
|
}
|
|
if (id == InsertTextButton) {
|
|
scene->setMode(DiagramScene::InsertText);
|
|
} else {
|
|
scene->setItemType(DiagramItem::DiagramType(id));
|
|
scene->setMode(DiagramScene::InsertItem);
|
|
}
|
|
}
|
|
//! [2]
|
|
|
|
//! [3]
|
|
void MainWindow::deleteItem()
|
|
{
|
|
foreach (QGraphicsItem *item, scene->selectedItems()) {
|
|
if (item->type() == Arrow::Type) {
|
|
scene->removeItem(item);
|
|
Arrow *arrow = qgraphicsitem_cast<Arrow *>(item);
|
|
arrow->startItem()->removeArrow(arrow);
|
|
arrow->endItem()->removeArrow(arrow);
|
|
delete item;
|
|
}
|
|
}
|
|
|
|
foreach (QGraphicsItem *item, scene->selectedItems()) {
|
|
if (item->type() == DiagramItem::Type) {
|
|
qgraphicsitem_cast<DiagramItem *>(item)->removeArrows();
|
|
}
|
|
scene->removeItem(item);
|
|
delete item;
|
|
}
|
|
}
|
|
//! [3]
|
|
|
|
//! [4]
|
|
void MainWindow::pointerGroupClicked(int)
|
|
{
|
|
scene->setMode(DiagramScene::Mode(pointerTypeGroup->checkedId()));
|
|
}
|
|
//! [4]
|
|
|
|
//! [5]
|
|
void MainWindow::bringToFront()
|
|
{
|
|
if (scene->selectedItems().isEmpty())
|
|
return;
|
|
|
|
QGraphicsItem *selectedItem = scene->selectedItems().first();
|
|
QList<QGraphicsItem *> overlapItems = selectedItem->collidingItems();
|
|
|
|
qreal zValue = 0;
|
|
foreach (QGraphicsItem *item, overlapItems) {
|
|
if (item->zValue() >= zValue &&
|
|
item->type() == DiagramItem::Type)
|
|
zValue = item->zValue() + 0.1;
|
|
}
|
|
selectedItem->setZValue(zValue);
|
|
}
|
|
//! [5]
|
|
|
|
//! [6]
|
|
void MainWindow::sendToBack()
|
|
{
|
|
if (scene->selectedItems().isEmpty())
|
|
return;
|
|
|
|
QGraphicsItem *selectedItem = scene->selectedItems().first();
|
|
QList<QGraphicsItem *> overlapItems = selectedItem->collidingItems();
|
|
|
|
qreal zValue = 0;
|
|
foreach (QGraphicsItem *item, overlapItems) {
|
|
if (item->zValue() <= zValue &&
|
|
item->type() == DiagramItem::Type)
|
|
zValue = item->zValue() - 0.1;
|
|
}
|
|
selectedItem->setZValue(zValue);
|
|
}
|
|
//! [6]
|
|
|
|
//! [7]
|
|
void MainWindow::itemInserted(DiagramItem *item)
|
|
{
|
|
pointerTypeGroup->button(int(DiagramScene::MoveItem))->setChecked(true);
|
|
scene->setMode(DiagramScene::Mode(pointerTypeGroup->checkedId()));
|
|
buttonGroup->button(int(item->diagramType()))->setChecked(false);
|
|
}
|
|
//! [7]
|
|
|
|
//! [8]
|
|
void MainWindow::textInserted(QGraphicsTextItem *)
|
|
{
|
|
buttonGroup->button(InsertTextButton)->setChecked(false);
|
|
scene->setMode(DiagramScene::Mode(pointerTypeGroup->checkedId()));
|
|
}
|
|
//! [8]
|
|
|
|
//! [9]
|
|
void MainWindow::currentFontChanged(const QFont &)
|
|
{
|
|
handleFontChange();
|
|
}
|
|
//! [9]
|
|
|
|
//! [10]
|
|
void MainWindow::fontSizeChanged(const QString &)
|
|
{
|
|
handleFontChange();
|
|
}
|
|
//! [10]
|
|
|
|
//! [11]
|
|
void MainWindow::sceneScaleChanged(const QString &scale)
|
|
{
|
|
double newScale = scale.left(scale.indexOf(tr("%"))).toDouble() / 100.0;
|
|
QMatrix oldMatrix = view->matrix();
|
|
view->resetMatrix();
|
|
view->translate(oldMatrix.dx(), oldMatrix.dy());
|
|
view->scale(newScale, newScale);
|
|
}
|
|
//! [11]
|
|
|
|
//! [12]
|
|
void MainWindow::textColorChanged()
|
|
{
|
|
textAction = qobject_cast<QAction *>(sender());
|
|
fontColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/textpointer.png",
|
|
qvariant_cast<QColor>(textAction->data())));
|
|
textButtonTriggered();
|
|
}
|
|
//! [12]
|
|
|
|
//! [13]
|
|
void MainWindow::itemColorChanged()
|
|
{
|
|
fillAction = qobject_cast<QAction *>(sender());
|
|
fillColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/floodfill.png",
|
|
qvariant_cast<QColor>(fillAction->data())));
|
|
fillButtonTriggered();
|
|
}
|
|
//! [13]
|
|
|
|
//! [14]
|
|
void MainWindow::lineColorChanged()
|
|
{
|
|
lineAction = qobject_cast<QAction *>(sender());
|
|
lineColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/linecolor.png",
|
|
qvariant_cast<QColor>(lineAction->data())));
|
|
lineButtonTriggered();
|
|
}
|
|
//! [14]
|
|
|
|
//! [15]
|
|
void MainWindow::textButtonTriggered()
|
|
{
|
|
scene->setTextColor(qvariant_cast<QColor>(textAction->data()));
|
|
}
|
|
//! [15]
|
|
|
|
//! [16]
|
|
void MainWindow::fillButtonTriggered()
|
|
{
|
|
scene->setItemColor(qvariant_cast<QColor>(fillAction->data()));
|
|
}
|
|
//! [16]
|
|
|
|
//! [17]
|
|
void MainWindow::lineButtonTriggered()
|
|
{
|
|
scene->setLineColor(qvariant_cast<QColor>(lineAction->data()));
|
|
}
|
|
//! [17]
|
|
|
|
//! [18]
|
|
void MainWindow::handleFontChange()
|
|
{
|
|
QFont font = fontCombo->currentFont();
|
|
font.setPointSize(fontSizeCombo->currentText().toInt());
|
|
font.setWeight(boldAction->isChecked() ? QFont::Bold : QFont::Normal);
|
|
font.setItalic(italicAction->isChecked());
|
|
font.setUnderline(underlineAction->isChecked());
|
|
|
|
scene->setFont(font);
|
|
}
|
|
//! [18]
|
|
|
|
//! [19]
|
|
void MainWindow::itemSelected(QGraphicsItem *item)
|
|
{
|
|
DiagramTextItem *textItem =
|
|
qgraphicsitem_cast<DiagramTextItem *>(item);
|
|
|
|
QFont font = textItem->font();
|
|
QColor color = textItem->defaultTextColor();
|
|
fontCombo->setCurrentFont(font);
|
|
fontSizeCombo->setEditText(QString().setNum(font.pointSize()));
|
|
boldAction->setChecked(font.weight() == QFont::Bold);
|
|
italicAction->setChecked(font.italic());
|
|
underlineAction->setChecked(font.underline());
|
|
}
|
|
//! [19]
|
|
|
|
//! [20]
|
|
void MainWindow::about()
|
|
{
|
|
QMessageBox::about(this, tr("About Diagram Scene"),
|
|
tr("The <b>Diagram Scene</b> example shows "
|
|
"use of the graphics framework."));
|
|
}
|
|
//! [20]
|
|
|
|
//! [21]
|
|
void MainWindow::createToolBox()
|
|
{
|
|
buttonGroup = new QButtonGroup(this);
|
|
buttonGroup->setExclusive(false);
|
|
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);
|
|
//! [21]
|
|
|
|
QToolButton *textButton = new QToolButton;
|
|
textButton->setCheckable(true);
|
|
buttonGroup->addButton(textButton, InsertTextButton);
|
|
textButton->setIcon(QIcon(QPixmap(":/images/textpointer.png")
|
|
.scaled(30, 30)));
|
|
textButton->setIconSize(QSize(50, 50));
|
|
QGridLayout *textLayout = new QGridLayout;
|
|
textLayout->addWidget(textButton, 0, 0, Qt::AlignHCenter);
|
|
textLayout->addWidget(new QLabel(tr("Text")), 1, 0, Qt::AlignCenter);
|
|
QWidget *textWidget = new QWidget;
|
|
textWidget->setLayout(textLayout);
|
|
layout->addWidget(textWidget, 1, 1);
|
|
|
|
layout->setRowStretch(3, 10);
|
|
layout->setColumnStretch(2, 10);
|
|
|
|
QWidget *itemWidget = new QWidget;
|
|
itemWidget->setLayout(layout);
|
|
|
|
backgroundButtonGroup = new QButtonGroup(this);
|
|
connect(backgroundButtonGroup, SIGNAL(buttonClicked(QAbstractButton*)),
|
|
this, SLOT(backgroundButtonGroupClicked(QAbstractButton*)));
|
|
|
|
QGridLayout *backgroundLayout = new QGridLayout;
|
|
backgroundLayout->addWidget(createBackgroundCellWidget(tr("Blue Grid"),
|
|
":/images/background1.png"), 0, 0);
|
|
backgroundLayout->addWidget(createBackgroundCellWidget(tr("White Grid"),
|
|
":/images/background2.png"), 0, 1);
|
|
backgroundLayout->addWidget(createBackgroundCellWidget(tr("Gray Grid"),
|
|
":/images/background3.png"), 1, 0);
|
|
backgroundLayout->addWidget(createBackgroundCellWidget(tr("No Grid"),
|
|
":/images/background4.png"), 1, 1);
|
|
|
|
backgroundLayout->setRowStretch(2, 10);
|
|
backgroundLayout->setColumnStretch(2, 10);
|
|
|
|
QWidget *backgroundWidget = new QWidget;
|
|
backgroundWidget->setLayout(backgroundLayout);
|
|
|
|
|
|
//! [22]
|
|
toolBox = new QToolBox;
|
|
toolBox->setSizePolicy(QSizePolicy(QSizePolicy::Maximum, QSizePolicy::Ignored));
|
|
toolBox->setMinimumWidth(itemWidget->sizeHint().width());
|
|
toolBox->addItem(itemWidget, tr("Basic Flowchart Shapes"));
|
|
toolBox->addItem(backgroundWidget, tr("Backgrounds"));
|
|
}
|
|
//! [22]
|
|
|
|
//! [23]
|
|
void MainWindow::createActions()
|
|
{
|
|
toFrontAction = new QAction(QIcon(":/images/bringtofront.png"),
|
|
tr("Bring to &Front"), this);
|
|
toFrontAction->setShortcut(tr("Ctrl+F"));
|
|
toFrontAction->setStatusTip(tr("Bring item to front"));
|
|
connect(toFrontAction, SIGNAL(triggered()),
|
|
this, SLOT(bringToFront()));
|
|
//! [23]
|
|
|
|
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()));
|
|
|
|
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()));
|
|
|
|
exitAction = new QAction(tr("E&xit"), this);
|
|
exitAction->setShortcuts(QKeySequence::Quit);
|
|
exitAction->setStatusTip(tr("Quit Scenediagram example"));
|
|
connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));
|
|
|
|
boldAction = new QAction(tr("Bold"), this);
|
|
boldAction->setCheckable(true);
|
|
QPixmap pixmap(":/images/bold.png");
|
|
boldAction->setIcon(QIcon(pixmap));
|
|
boldAction->setShortcut(tr("Ctrl+B"));
|
|
connect(boldAction, SIGNAL(triggered()),
|
|
this, SLOT(handleFontChange()));
|
|
|
|
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()));
|
|
|
|
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()));
|
|
|
|
aboutAction = new QAction(tr("A&bout"), this);
|
|
aboutAction->setShortcut(tr("Ctrl+B"));
|
|
connect(aboutAction, SIGNAL(triggered()),
|
|
this, SLOT(about()));
|
|
}
|
|
|
|
//! [24]
|
|
void MainWindow::createMenus()
|
|
{
|
|
fileMenu = menuBar()->addMenu(tr("&File"));
|
|
fileMenu->addAction(exitAction);
|
|
|
|
itemMenu = menuBar()->addMenu(tr("&Item"));
|
|
itemMenu->addAction(deleteAction);
|
|
itemMenu->addSeparator();
|
|
itemMenu->addAction(toFrontAction);
|
|
itemMenu->addAction(sendBackAction);
|
|
|
|
aboutMenu = menuBar()->addMenu(tr("&Help"));
|
|
aboutMenu->addAction(aboutAction);
|
|
}
|
|
//! [24]
|
|
|
|
//! [25]
|
|
void MainWindow::createToolbars()
|
|
{
|
|
//! [25]
|
|
editToolBar = addToolBar(tr("Edit"));
|
|
editToolBar->addAction(deleteAction);
|
|
editToolBar->addAction(toFrontAction);
|
|
editToolBar->addAction(sendBackAction);
|
|
|
|
fontCombo = new QFontComboBox();
|
|
connect(fontCombo, SIGNAL(currentFontChanged(QFont)),
|
|
this, SLOT(currentFontChanged(QFont)));
|
|
|
|
fontSizeCombo = new QComboBox;
|
|
fontSizeCombo->setEditable(true);
|
|
for (int i = 8; i < 30; i = i + 2)
|
|
fontSizeCombo->addItem(QString().setNum(i));
|
|
QIntValidator *validator = new QIntValidator(2, 64, this);
|
|
fontSizeCombo->setValidator(validator);
|
|
connect(fontSizeCombo, SIGNAL(currentIndexChanged(QString)),
|
|
this, SLOT(fontSizeChanged(QString)));
|
|
|
|
fontColorToolButton = new QToolButton;
|
|
fontColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
|
|
fontColorToolButton->setMenu(createColorMenu(SLOT(textColorChanged()),
|
|
Qt::black));
|
|
textAction = fontColorToolButton->menu()->defaultAction();
|
|
fontColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/textpointer.png", Qt::black));
|
|
fontColorToolButton->setAutoFillBackground(true);
|
|
connect(fontColorToolButton, SIGNAL(clicked()),
|
|
this, SLOT(textButtonTriggered()));
|
|
|
|
//! [26]
|
|
fillColorToolButton = new QToolButton;
|
|
fillColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
|
|
fillColorToolButton->setMenu(createColorMenu(SLOT(itemColorChanged()),
|
|
Qt::white));
|
|
fillAction = fillColorToolButton->menu()->defaultAction();
|
|
fillColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/floodfill.png", Qt::white));
|
|
connect(fillColorToolButton, SIGNAL(clicked()),
|
|
this, SLOT(fillButtonTriggered()));
|
|
//! [26]
|
|
|
|
lineColorToolButton = new QToolButton;
|
|
lineColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
|
|
lineColorToolButton->setMenu(createColorMenu(SLOT(lineColorChanged()),
|
|
Qt::black));
|
|
lineAction = lineColorToolButton->menu()->defaultAction();
|
|
lineColorToolButton->setIcon(createColorToolButtonIcon(
|
|
":/images/linecolor.png", Qt::black));
|
|
connect(lineColorToolButton, SIGNAL(clicked()),
|
|
this, SLOT(lineButtonTriggered()));
|
|
|
|
textToolBar = addToolBar(tr("Font"));
|
|
textToolBar->addWidget(fontCombo);
|
|
textToolBar->addWidget(fontSizeCombo);
|
|
textToolBar->addAction(boldAction);
|
|
textToolBar->addAction(italicAction);
|
|
textToolBar->addAction(underlineAction);
|
|
|
|
colorToolBar = addToolBar(tr("Color"));
|
|
colorToolBar->addWidget(fontColorToolButton);
|
|
colorToolBar->addWidget(fillColorToolButton);
|
|
colorToolBar->addWidget(lineColorToolButton);
|
|
|
|
QToolButton *pointerButton = new QToolButton;
|
|
pointerButton->setCheckable(true);
|
|
pointerButton->setChecked(true);
|
|
pointerButton->setIcon(QIcon(":/images/pointer.png"));
|
|
QToolButton *linePointerButton = new QToolButton;
|
|
linePointerButton->setCheckable(true);
|
|
linePointerButton->setIcon(QIcon(":/images/linepointer.png"));
|
|
|
|
pointerTypeGroup = new QButtonGroup(this);
|
|
pointerTypeGroup->addButton(pointerButton, int(DiagramScene::MoveItem));
|
|
pointerTypeGroup->addButton(linePointerButton,
|
|
int(DiagramScene::InsertLine));
|
|
connect(pointerTypeGroup, SIGNAL(buttonClicked(int)),
|
|
this, SLOT(pointerGroupClicked(int)));
|
|
|
|
sceneScaleCombo = new QComboBox;
|
|
QStringList scales;
|
|
scales << tr("50%") << tr("75%") << tr("100%") << tr("125%") << tr("150%");
|
|
sceneScaleCombo->addItems(scales);
|
|
sceneScaleCombo->setCurrentIndex(2);
|
|
connect(sceneScaleCombo, SIGNAL(currentIndexChanged(QString)),
|
|
this, SLOT(sceneScaleChanged(QString)));
|
|
|
|
pointerToolbar = addToolBar(tr("Pointer type"));
|
|
pointerToolbar->addWidget(pointerButton);
|
|
pointerToolbar->addWidget(linePointerButton);
|
|
pointerToolbar->addWidget(sceneScaleCombo);
|
|
//! [27]
|
|
}
|
|
//! [27]
|
|
|
|
//! [28]
|
|
QWidget *MainWindow::createBackgroundCellWidget(const QString &text,
|
|
const QString &image)
|
|
{
|
|
QToolButton *button = new QToolButton;
|
|
button->setText(text);
|
|
button->setIcon(QIcon(image));
|
|
button->setIconSize(QSize(50, 50));
|
|
button->setCheckable(true);
|
|
backgroundButtonGroup->addButton(button);
|
|
|
|
QGridLayout *layout = new QGridLayout;
|
|
layout->addWidget(button, 0, 0, Qt::AlignHCenter);
|
|
layout->addWidget(new QLabel(text), 1, 0, Qt::AlignCenter);
|
|
|
|
QWidget *widget = new QWidget;
|
|
widget->setLayout(layout);
|
|
|
|
return widget;
|
|
}
|
|
//! [28]
|
|
|
|
//! [29]
|
|
QWidget *MainWindow::createCellWidget(const QString &text,
|
|
DiagramItem::DiagramType type)
|
|
{
|
|
|
|
DiagramItem item(type, itemMenu);
|
|
QIcon icon(item.image());
|
|
|
|
QToolButton *button = new QToolButton;
|
|
button->setIcon(icon);
|
|
button->setIconSize(QSize(50, 50));
|
|
button->setCheckable(true);
|
|
buttonGroup->addButton(button, int(type));
|
|
|
|
QGridLayout *layout = new QGridLayout;
|
|
layout->addWidget(button, 0, 0, Qt::AlignHCenter);
|
|
layout->addWidget(new QLabel(text), 1, 0, Qt::AlignCenter);
|
|
|
|
QWidget *widget = new QWidget;
|
|
widget->setLayout(layout);
|
|
|
|
return widget;
|
|
}
|
|
//! [29]
|
|
|
|
//! [30]
|
|
QMenu *MainWindow::createColorMenu(const char *slot, QColor defaultColor)
|
|
{
|
|
QList<QColor> colors;
|
|
colors << Qt::black << Qt::white << Qt::red << Qt::blue << Qt::yellow;
|
|
QStringList names;
|
|
names << tr("black") << tr("white") << tr("red") << tr("blue")
|
|
<< tr("yellow");
|
|
|
|
QMenu *colorMenu = new QMenu(this);
|
|
for (int i = 0; i < colors.count(); ++i) {
|
|
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);
|
|
colorMenu->addAction(action);
|
|
if (colors.at(i) == defaultColor) {
|
|
colorMenu->setDefaultAction(action);
|
|
}
|
|
}
|
|
return colorMenu;
|
|
}
|
|
//! [30]
|
|
|
|
//! [31]
|
|
QIcon MainWindow::createColorToolButtonIcon(const QString &imageFile,
|
|
QColor color)
|
|
{
|
|
QPixmap pixmap(50, 80);
|
|
pixmap.fill(Qt::transparent);
|
|
QPainter painter(&pixmap);
|
|
QPixmap image(imageFile);
|
|
QRect target(0, 0, 50, 60);
|
|
QRect source(0, 0, 42, 42);
|
|
painter.fillRect(QRect(0, 60, 50, 80), color);
|
|
painter.drawPixmap(target, image, source);
|
|
|
|
return QIcon(pixmap);
|
|
}
|
|
//! [31]
|
|
|
|
//! [32]
|
|
QIcon MainWindow::createColorIcon(QColor color)
|
|
{
|
|
QPixmap pixmap(20, 20);
|
|
QPainter painter(&pixmap);
|
|
painter.setPen(Qt::NoPen);
|
|
painter.fillRect(QRect(0, 0, 20, 20), color);
|
|
|
|
return QIcon(pixmap);
|
|
}
|
|
//! [32]
|