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plugin: add saveItem

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2 * r + 2 * t 2025-08-26 20:39:26 +10:00
parent 783057ab0d
commit d65fb180ad
5 changed files with 128 additions and 0 deletions
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1
.gitignore vendored
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.direnv
/result
/.qmlls.ini
build/

19
plugin/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.19)
project(Caelestia VERSION "0.0.1")
set(QT_MIN_VERSION "6.9.0")
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
add_compile_options(-Wall -Wextra)
find_package(Qt6 REQUIRED COMPONENTS Core Qml)
if(QT_KNOWN_POLICY_QTP0001)
qt_policy(SET QTP0001 NEW)
endif()
set(INSTALL_QMLDIR "" CACHE STRING "QML install dir")
set(QT_QML_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/qml")
qt_standard_project_setup()
add_subdirectory(src/Caelestia)

25
plugin/src/Caelestia/CMakeLists.txt Normal file
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qt_add_qml_module(caelestia
URI Caelestia
VERSION 0.1
SOURCES
cutils.hpp cutils.cpp
)
qt_query_qml_module(caelestia
URI module_uri
VERSION module_version
PLUGIN_TARGET module_plugin_target
TARGET_PATH module_target_path
QMLDIR module_qmldir
TYPEINFO module_typeinfo
QML_FILES module_qml_files
RESOURCES module_resources
)
set(module_dir "${INSTALL_QMLDIR}/${module_target_path}")
install(TARGETS caelestia LIBRARY DESTINATION "${module_dir}" RUNTIME DESTINATION "${module_dir}")
install(TARGETS "${module_plugin_target}" LIBRARY DESTINATION "${module_dir}" RUNTIME DESTINATION "${module_dir}")
install(FILES "${module_qmldir}" DESTINATION "${module_dir}")
install(FILES "${module_typeinfo}" DESTINATION "${module_dir}")
target_link_libraries(caelestia PRIVATE Qt::Core Qt::Qml)

65
plugin/src/Caelestia/cutils.cpp Normal file
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#include "cutils.hpp"
#include <qobject.h>
#include <QtQuick/QQuickItem>
#include <QtQuick/QQuickItemGrabResult>
#include <QThreadPool>
#include <QQmlEngine>
void CUtils::saveItem(QQuickItem* target, const QUrl& path) {
this->saveItem(target, path, QRect(), QJSValue(), QJSValue());
}
void CUtils::saveItem(QQuickItem* target, const QUrl& path, const QRect& rect) {
this->saveItem(target, path, rect, QJSValue(), QJSValue());
}
void CUtils::saveItem(QQuickItem* target, const QUrl& path, QJSValue onSaved) {
this->saveItem(target, path, QRect(), onSaved, QJSValue());
}
void CUtils::saveItem(QQuickItem* target, const QUrl& path, QJSValue onSaved, QJSValue onFailed) {
this->saveItem(target, path, QRect(), onSaved, onFailed);
}
void CUtils::saveItem(QQuickItem* target, const QUrl& path, const QRect& rect, QJSValue onSaved) {
this->saveItem(target, path, rect, onSaved, QJSValue());
}
void CUtils::saveItem(QQuickItem* target, const QUrl& path, const QRect& rect, QJSValue onSaved, QJSValue onFailed) {
if (!target) {
qWarning() << "CUtils::saveItem: a target is required";
return;
}
if (!path.isLocalFile()) {
qWarning() << "CUtils::saveItem:" << path << "is not a local file";
return;
}
QSharedPointer<QQuickItemGrabResult> grabResult = target->grabToImage();
QObject::connect(
grabResult.data(),
&QQuickItemGrabResult::ready,
this,
[grabResult, rect, path, onSaved, onFailed, this]() {
QThreadPool::globalInstance()->start([grabResult, rect, path, onSaved, onFailed, this] {
QImage image = grabResult->image();
if (!rect.isEmpty()) {
image = image.copy(rect);
}
const QString file = path.toLocalFile();
if (image.save(file)) {
if (onSaved.isCallable()) {
onSaved.call({ QJSValue(file), qmlEngine(this)->toScriptValue(QVariant::fromValue(path)) });
}
} else if (onFailed.isCallable()) {
onFailed.call({ qmlEngine(this)->toScriptValue(QVariant::fromValue(path)) });
}
});
}
);
}

18
plugin/src/Caelestia/cutils.hpp Normal file
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#pragma once
#include <qobject.h>
#include <QtQuick/QQuickItem>
class CUtils : public QObject {
Q_OBJECT;
QML_NAMED_ELEMENT(CUtils);
QML_SINGLETON;
public:
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path);
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path, const QRect& rect);
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path, QJSValue onSaved);
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path, QJSValue onSaved, QJSValue onFailed);
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path, const QRect& rect, QJSValue onSaved);
Q_INVOKABLE void saveItem(QQuickItem* target, const QUrl& path, const QRect& rect, QJSValue onSaved, QJSValue onFailed);
};