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-rw-r--r--examples/widgets/touch/pinchzoom/CMakeLists.txt47
-rw-r--r--examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.pngbin42493 -> 0 bytes
-rw-r--r--examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc14
-rw-r--r--examples/widgets/touch/pinchzoom/graphicsview.cpp48
-rw-r--r--examples/widgets/touch/pinchzoom/graphicsview.h18
-rw-r--r--examples/widgets/touch/pinchzoom/images/cheese.jpgbin3029 -> 0 bytes
-rw-r--r--examples/widgets/touch/pinchzoom/main.cpp47
-rw-r--r--examples/widgets/touch/pinchzoom/mice.qrc5
-rw-r--r--examples/widgets/touch/pinchzoom/mouse.cpp158
-rw-r--r--examples/widgets/touch/pinchzoom/mouse.h33
-rw-r--r--examples/widgets/touch/pinchzoom/pinchzoom.pro16
11 files changed, 0 insertions, 386 deletions
diff --git a/examples/widgets/touch/pinchzoom/CMakeLists.txt b/examples/widgets/touch/pinchzoom/CMakeLists.txt
deleted file mode 100644
index ecfbb3d7f6..0000000000
--- a/examples/widgets/touch/pinchzoom/CMakeLists.txt
+++ /dev/null
@@ -1,47 +0,0 @@
-cmake_minimum_required(VERSION 3.16)
-project(pinchzoom LANGUAGES CXX)
-
-set(CMAKE_AUTOMOC ON)
-
-if(NOT DEFINED INSTALL_EXAMPLESDIR)
- set(INSTALL_EXAMPLESDIR "examples")
-endif()
-
-set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/widgets/touch/pinchzoom")
-
-find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
-
-qt_add_executable(pinchzoom
- graphicsview.cpp graphicsview.h
- main.cpp
- mouse.cpp mouse.h
-)
-
-set_target_properties(pinchzoom PROPERTIES
- WIN32_EXECUTABLE TRUE
- MACOSX_BUNDLE TRUE
-)
-
-target_link_libraries(pinchzoom PUBLIC
- Qt::Core
- Qt::Gui
- Qt::Widgets
-)
-
-# Resources:
-set(mice_resource_files
- "images/cheese.jpg"
-)
-
-qt_add_resources(pinchzoom "mice"
- PREFIX
- "/"
- FILES
- ${mice_resource_files}
-)
-
-install(TARGETS pinchzoom
- RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
- BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
- LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
-)
diff --git a/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png b/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png
deleted file mode 100644
index 7db51fbf55..0000000000
--- a/examples/widgets/touch/pinchzoom/doc/images/pinch-zoom-example.png
+++ /dev/null
Binary files differ
diff --git a/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc b/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc
deleted file mode 100644
index aef5c59407..0000000000
--- a/examples/widgets/touch/pinchzoom/doc/src/pinchzoom.qdoc
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-/*!
- \example touch/pinchzoom
- \title Pinch Zoom Example
- \ingroup touchinputexamples
- \brief Shows how to recognize a gesture.
-
- The Pinch Zoom example shows how to use low-level touch information
- to recognize a gesture.
-
- \image touch-pinchzoom-example.png
-*/
diff --git a/examples/widgets/touch/pinchzoom/graphicsview.cpp b/examples/widgets/touch/pinchzoom/graphicsview.cpp
deleted file mode 100644
index 61042e7e02..0000000000
--- a/examples/widgets/touch/pinchzoom/graphicsview.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "graphicsview.h"
-
-#include <QScrollBar>
-#include <QTouchEvent>
-
-GraphicsView::GraphicsView(QGraphicsScene *scene, QWidget *parent)
- : QGraphicsView(scene, parent)
-{
- viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
- setDragMode(ScrollHandDrag);
-}
-
-bool GraphicsView::viewportEvent(QEvent *event)
-{
- switch (event->type()) {
- case QEvent::TouchBegin:
- case QEvent::TouchUpdate:
- case QEvent::TouchEnd:
- {
- QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
- const auto touchPoints = touchEvent->points();
- if (touchPoints.count() == 2) {
- // determine scale factor
- const QEventPoint &touchPoint0 = touchPoints.first();
- const QEventPoint &touchPoint1 = touchPoints.last();
- qreal currentScaleFactor =
- QLineF(touchPoint0.position(), touchPoint1.position()).length()
- / QLineF(touchPoint0.pressPosition(), touchPoint1.pressPosition()).length();
- if (touchEvent->touchPointStates() & QEventPoint::Released) {
- // if one of the fingers is released, remember the current scale
- // factor so that adding another finger later will continue zooming
- // by adding new scale factor to the existing remembered value.
- totalScaleFactor *= currentScaleFactor;
- currentScaleFactor = 1;
- }
- setTransform(QTransform::fromScale(totalScaleFactor * currentScaleFactor,
- totalScaleFactor * currentScaleFactor));
- }
- return true;
- }
- default:
- break;
- }
- return QGraphicsView::viewportEvent(event);
-}
diff --git a/examples/widgets/touch/pinchzoom/graphicsview.h b/examples/widgets/touch/pinchzoom/graphicsview.h
deleted file mode 100644
index e6a300f418..0000000000
--- a/examples/widgets/touch/pinchzoom/graphicsview.h
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#pragma once
-#include <QGraphicsView>
-
-class GraphicsView : public QGraphicsView
-{
- Q_OBJECT
-
-public:
- GraphicsView(QGraphicsScene *scene = nullptr, QWidget *parent = nullptr);
-
- bool viewportEvent(QEvent *event) override;
-
-private:
- qreal totalScaleFactor = 1;
-};
diff --git a/examples/widgets/touch/pinchzoom/images/cheese.jpg b/examples/widgets/touch/pinchzoom/images/cheese.jpg
deleted file mode 100644
index dea5795fd0..0000000000
--- a/examples/widgets/touch/pinchzoom/images/cheese.jpg
+++ /dev/null
Binary files differ
diff --git a/examples/widgets/touch/pinchzoom/main.cpp b/examples/widgets/touch/pinchzoom/main.cpp
deleted file mode 100644
index 85b5cad1f8..0000000000
--- a/examples/widgets/touch/pinchzoom/main.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "graphicsview.h"
-#include "mouse.h"
-
-#include <QApplication>
-#include <cmath>
-
-static constexpr int MouseCount = 7;
-
-//! [0]
-int main(int argc, char **argv)
-{
- QApplication app(argc, argv);
-//! [0]
-
-//! [1]
- QGraphicsScene scene;
- scene.setSceneRect(-300, -300, 600, 600);
-//! [1] //! [2]
- scene.setItemIndexMethod(QGraphicsScene::NoIndex);
-//! [2]
-
-//! [3]
- for (int i = 0; i < MouseCount; ++i) {
- Mouse *mouse = new Mouse;
- mouse->setPos(::sin((i * 6.28) / MouseCount) * 200,
- ::cos((i * 6.28) / MouseCount) * 200);
- scene.addItem(mouse);
- }
-//! [3]
-
-//! [4]
- GraphicsView view(&scene);
- view.setRenderHint(QPainter::Antialiasing);
- view.setBackgroundBrush(QPixmap(":/images/cheese.jpg"));
-//! [4] //! [5]
- view.setCacheMode(QGraphicsView::CacheBackground);
- view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
-//! [5] //! [6]
- view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice"));
- view.showMaximized();
-
- return app.exec();
-}
-//! [6]
diff --git a/examples/widgets/touch/pinchzoom/mice.qrc b/examples/widgets/touch/pinchzoom/mice.qrc
deleted file mode 100644
index accdb4d0a6..0000000000
--- a/examples/widgets/touch/pinchzoom/mice.qrc
+++ /dev/null
@@ -1,5 +0,0 @@
-<RCC>
- <qresource prefix="/" >
- <file>images/cheese.jpg</file>
- </qresource>
-</RCC>
diff --git a/examples/widgets/touch/pinchzoom/mouse.cpp b/examples/widgets/touch/pinchzoom/mouse.cpp
deleted file mode 100644
index ae0d497833..0000000000
--- a/examples/widgets/touch/pinchzoom/mouse.cpp
+++ /dev/null
@@ -1,158 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "mouse.h"
-
-#include <QGraphicsScene>
-#include <QPainter>
-#include <QRandomGenerator>
-#include <QStyleOption>
-#include <qmath.h>
-
-constexpr qreal Pi = M_PI;
-constexpr qreal TwoPi = 2 * M_PI;
-
-static qreal normalizeAngle(qreal angle)
-{
- while (angle < 0)
- angle += TwoPi;
- while (angle > TwoPi)
- angle -= TwoPi;
- return angle;
-}
-
-//! [0]
-Mouse::Mouse() : color(QRandomGenerator::global()->bounded(256),
- QRandomGenerator::global()->bounded(256),
- QRandomGenerator::global()->bounded(256))
-{
- setTransform(QTransform().rotate(QRandomGenerator::global()->bounded(360 * 16)), true);
- startTimer(1000 / 33);
-}
-//! [0]
-
-//! [1]
-QRectF Mouse::boundingRect() const
-{
- qreal adjust = 0.5;
- return QRectF(-18 - adjust, -22 - adjust,
- 36 + adjust, 60 + adjust);
-}
-//! [1]
-
-//! [2]
-QPainterPath Mouse::shape() const
-{
- QPainterPath path;
- path.addRect(-10, -20, 20, 40);
- return path;
-}
-//! [2]
-
-//! [3]
-void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
-{
- // Body
- painter->setBrush(color);
- painter->drawEllipse(-10, -20, 20, 40);
-
- // Eyes
- painter->setBrush(Qt::white);
- painter->drawEllipse(-10, -17, 8, 8);
- painter->drawEllipse(2, -17, 8, 8);
-
- // Nose
- painter->setBrush(Qt::black);
- painter->drawEllipse(QRectF(-2, -22, 4, 4));
-
- // Pupils
- painter->drawEllipse(QRectF(-8.0 + mouseEyeDirection, -17, 4, 4));
- painter->drawEllipse(QRectF(4.0 + mouseEyeDirection, -17, 4, 4));
-
- // Ears
- painter->setBrush(scene()->collidingItems(this).isEmpty() ? Qt::darkYellow : Qt::red);
- painter->drawEllipse(-17, -12, 16, 16);
- painter->drawEllipse(1, -12, 16, 16);
-
- // Tail
- QPainterPath path(QPointF(0, 20));
- path.cubicTo(-5, 22, -5, 22, 0, 25);
- path.cubicTo(5, 27, 5, 32, 0, 30);
- path.cubicTo(-5, 32, -5, 42, 0, 35);
- painter->setBrush(Qt::NoBrush);
- painter->drawPath(path);
-}
-//! [3]
-
-//! [4]
-void Mouse::timerEvent(QTimerEvent *)
-{
-//! [4]
- // Don't move too far away
-//! [5]
- QLineF lineToCenter(QPointF(0, 0), mapFromScene(0, 0));
- if (lineToCenter.length() > 150) {
- qreal angleToCenter = std::atan2(lineToCenter.dy(), lineToCenter.dx());
- angleToCenter = normalizeAngle((Pi - angleToCenter) + Pi / 2);
-
- if (angleToCenter < Pi && angleToCenter > Pi / 4) {
- // Rotate left
- angle += (angle < -Pi / 2) ? 0.25 : -0.25;
- } else if (angleToCenter >= Pi && angleToCenter < (Pi + Pi / 2 + Pi / 4)) {
- // Rotate right
- angle += (angle < Pi / 2) ? 0.25 : -0.25;
- }
- } else if (::sin(angle) < 0) {
- angle += 0.25;
- } else if (::sin(angle) > 0) {
- angle -= 0.25;
-//! [5] //! [6]
- }
-//! [6]
-
- // Try not to crash with any other mice
-//! [7]
- QList<QGraphicsItem *> dangerMice = scene()->items(QPolygonF()
- << mapToScene(0, 0)
- << mapToScene(-30, -50)
- << mapToScene(30, -50));
- for (QGraphicsItem *item : dangerMice) {
- if (item == this)
- continue;
-
- QLineF lineToMouse(QPointF(0, 0), mapFromItem(item, 0, 0));
- qreal angleToMouse = std::atan2(lineToMouse.dy(), lineToMouse.dx());
- angleToMouse = normalizeAngle((Pi - angleToMouse) + Pi / 2);
-
- if (angleToMouse >= 0 && angleToMouse < Pi / 2) {
- // Rotate right
- angle += 0.5;
- } else if (angleToMouse <= TwoPi && angleToMouse > (TwoPi - Pi / 2)) {
- // Rotate left
- angle -= 0.5;
-//! [7] //! [8]
- }
-//! [8] //! [9]
- }
-//! [9]
-
- // Add some random movement
-//! [10]
- if (dangerMice.size() > 1 && QRandomGenerator::global()->bounded(10) == 0) {
- if (QRandomGenerator::global()->bounded(1))
- angle += QRandomGenerator::global()->bounded(1 / 500.0);
- else
- angle -= QRandomGenerator::global()->bounded(1 / 500.0);
- }
-//! [10]
-
-//! [11]
- speed += (-50 + QRandomGenerator::global()->bounded(100)) / 100.0;
-
- qreal dx = ::sin(angle) * 10;
- mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5;
-
- setTransform(QTransform().rotate(dx), true);
- setPos(mapToParent(0, -(3 + sin(speed) * 3)));
-}
-//! [11]
diff --git a/examples/widgets/touch/pinchzoom/mouse.h b/examples/widgets/touch/pinchzoom/mouse.h
deleted file mode 100644
index 6b3ef98c22..0000000000
--- a/examples/widgets/touch/pinchzoom/mouse.h
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#ifndef MOUSE_H
-#define MOUSE_H
-
-#include <QGraphicsObject>
-
-//! [0]
-class Mouse : public QGraphicsObject
-{
- Q_OBJECT
-
-public:
- Mouse();
-
- QRectF boundingRect() const override;
- QPainterPath shape() const override;
- void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
- QWidget *widget) override;
-
-protected:
- void timerEvent(QTimerEvent *event) override;
-
-private:
- qreal angle = 0;
- qreal speed = 0;
- qreal mouseEyeDirection = 0;
- QColor color;
-};
-//! [0]
-
-#endif
diff --git a/examples/widgets/touch/pinchzoom/pinchzoom.pro b/examples/widgets/touch/pinchzoom/pinchzoom.pro
deleted file mode 100644
index ebbc7ddf1f..0000000000
--- a/examples/widgets/touch/pinchzoom/pinchzoom.pro
+++ /dev/null
@@ -1,16 +0,0 @@
-QT += widgets
-
-HEADERS += \
- mouse.h \
- graphicsview.h
-SOURCES += \
- main.cpp \
- mouse.cpp \
- graphicsview.cpp
-
-RESOURCES += \
- mice.qrc
-
-# install
-target.path = $$[QT_INSTALL_EXAMPLES]/widgets/touch/pinchzoom
-INSTALLS += target
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-24 13:46:06 +0000