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Add QScreen.grabWindow()

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issue #933
This commit is contained in:
Simon Edwards 2022-04-18 11:58:55 +02:00
parent 0c2cf50362
commit 7d2dfc1cf2
4 changed files with 24 additions and 3 deletions
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1
src/cpp/include/nodegui/QtGui/QScreen/qscreen_wrap.h
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@ -30,4 +30,5 @@ class DLL_EXPORT QScreenWrap : public Napi::ObjectWrap<QScreenWrap>,
virtual void connectSignalsToEventEmitter();
// Wrapped methods
Napi::Value grabWindow(const Napi::CallbackInfo& info);
};

4
src/cpp/include/nodegui/QtWidgets/QWidget/qwidget_macro.h
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@ -562,8 +562,8 @@
} \
Napi::Value winId(const Napi::CallbackInfo& info) { \
Napi::Env env = info.Env(); \
int result = this->instance->winId(); \
return Napi::Number::New(env, result); \
WId result = this->instance->winId(); \
return Napi::BigInt::New(env, static_cast<uint64_t>(result)); \
}
#endif // QWIDGET_WRAPPED_METHODS_DECLARATION

18
src/cpp/lib/QtGui/QScreen/qscreen_wrap.cpp
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@ -3,6 +3,7 @@
#include "Extras/Utils/nutils.h"
#include "QtCore/QRect/qrect_wrap.h"
#include "QtCore/QSizeF/qsizef_wrap.h"
#include "QtGui/QPixmap/qpixmap_wrap.h"
Napi::FunctionReference QScreenWrap::constructor;
@ -11,7 +12,7 @@ Napi::Object QScreenWrap::init(Napi::Env env, Napi::Object exports) {
char CLASSNAME[] = "QScreen";
Napi::Function func =
DefineClass(env, CLASSNAME,
{// InstanceMethod("clear", &QScreenWrap::clear),
{InstanceMethod("grabWindow", &QScreenWrap::grabWindow),
QOBJECT_WRAPPED_METHODS_EXPORT_DEFINE(QScreenWrap)});
constructor = Napi::Persistent(func);
exports.Set(CLASSNAME, func);
@ -128,3 +129,18 @@ void QScreenWrap::connectSignalsToEventEmitter() {
{Napi::String::New(env, "virtualGeometryChanged"), instance});
});
}
Napi::Value QScreenWrap::grabWindow(const Napi::CallbackInfo& info) {
Napi::Env env = info.Env();
bool lossless = false;
WId winId =
static_cast<WId>(info[0].As<Napi::BigInt>().Uint64Value(&lossless));
int x = info[1].As<Napi::Number>().Int32Value();
int y = info[2].As<Napi::Number>().Int32Value();
int width = info[3].As<Napi::Number>().Int32Value();
int height = info[4].As<Napi::Number>().Int32Value();
QPixmap pixmap = this->instance->grabWindow(winId, x, y, width, height);
auto instance = QPixmapWrap::constructor.New(
{Napi::External<QPixmap>::New(env, new QPixmap(pixmap))});
return instance;
}

4
src/lib/QtGui/QScreen.ts
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@ -5,6 +5,7 @@ import { QRect } from '../QtCore/QRect';
import { QSizeF } from '../QtCore/QSizeF';
import { QSize } from '../QtCore/QSize';
import { wrapperCache } from '../core/WrapperCache';
import { QPixmap } from './QPixmap';
export class QScreen extends NodeObject<QScreenSignals> {
native: NativeElement;
@ -38,6 +39,9 @@ export class QScreen extends NodeObject<QScreenSignals> {
geometry(): QRect {
return QRect.fromQVariant(this.property('geometry'));
}
grabWindow(window: number, x = 0, y = 0, width = -1, height = -1): QPixmap {
return new QPixmap(this.native.grabWindow(window, x, y, width, height));
}
logicalDotsPerInch(): number {
return this.property('logicalDotsPerInch').toDouble();
}