Multi screen support

cropeditor/cropeditor.cpp

@@ -18,10 +18,10 @@ CropEditor::CropEditor(QPixmap *image, QObject *parent) : QObject(parent) {
     pixmapItem->setScale(1 / ratio);
     scene->addItem(pixmapItem);
     scene->setSceneRect(image->rect());
-    //    view->show();
-    //    view->resize(pixmapItem->pixmap().width(), pixmapItem->pixmap().height());
-    //    view->move(0, 0);
-    view->showFullScreen();
+    view->resize(image->width(), image->height());
+    view->setMinimumSize(image->size());
+    view->move(0, 0);
+    view->show();
 
     connect(scene, &CropScene::closedWithRect, this, &CropEditor::crop);
 }

main.cpp

@@ -88,6 +88,7 @@ int main(int argc, char *argv[]) {
     Worker::init();
     a.connect(&a, &QApplication::aboutToQuit, Worker::end);
     a.connect(&a, &QApplication::aboutToQuit, [] { stillAlive = false; });
+    screenshotutil::fullscreen()->save("/home/arsen/test.png", "PNG");
     if (!parser.isSet(h)) w.show();
     return a.exec();
 }

screenshotutil.cpp

@@ -8,9 +8,27 @@
 #include <platformbackend.hpp>
 
 QPixmap *screenshotutil::fullscreen(bool cursor) {
+    int height = 0, width = 0;
+    for (QScreen *screen : QApplication::screens()) {
+        width += screen->size().width();
+        int h = screen->size().height();
+        height = h > height ? h : height;
+    }
+    QPixmap *image = new QPixmap(width, height);
+    image->fill(Qt::transparent);
+    QPainter painter(image);
+    width = 0;
+    for (QScreen *screen : QApplication::screens()) {
+
+        QPixmap *currentScreen = window(0, screen);
+        painter.drawPixmap(width, 0, currentScreen->copy());
+        delete currentScreen;
+        width += screen->size().width();
+    }
+    painter.end();
 #ifdef PLATFORM_CAPABILITY_CURSOR
     if (cursor) {
-        QPixmap *noCursor = window(0);
+        QPixmap *noCursor = image;
         QScopedPointer<QPixmap> p(noCursor);
         QPixmap *withCursor = new QPixmap(*noCursor);
         QPainter painter(withCursor);
@@ -20,11 +38,10 @@ QPixmap *screenshotutil::fullscreen(bool cursor) {
         return withCursor;
     }
 #endif
-    return window(0);
+    return image;
 }
 
-QPixmap *screenshotutil::window(WId wid) {
-    QScreen *w = QApplication::primaryScreen();
+QPixmap *screenshotutil::window(WId wid, QScreen *w) {
     QPixmap screen = w->grabWindow(wid);
     QPixmap *pm = new QPixmap(screen.size());
     screen.swap(*pm);
@@ -36,21 +53,9 @@ void screenshotutil::toClipboard(QString value) {
 }
 
 QPixmap *screenshotutil::fullscreenArea(bool cursor, qreal x, qreal y, qreal w, qreal h) {
-    auto scr = QApplication::primaryScreen();
-    QRectF area(x, y, w < 0 ? scr->size().width() : w, h < 0 ? scr->size().height() : h);
-#ifdef PLATFORM_CAPABILITY_CURSOR
-    if (cursor) {
-        QPointF point = QCursor::pos(scr);
-        if (area.contains(point)) {
-            QPixmap noCursor = scr->grabWindow(0, area.x(), area.y(), area.width(), area.height());
-            QPixmap *withCursor = new QPixmap(noCursor);
-            QPainter painter(withCursor);
-            auto cursorData = PlatformBackend::inst().getCursor();
-            painter.drawPixmap(QCursor::pos() - std::get<0>(cursorData) - area.topLeft().toPoint(), std::get<1>(cursorData));
-            painter.end();
-            return withCursor;
-        }
-    }
-#endif
-    return new QPixmap(scr->grabWindow(0, area.x(), area.y(), area.width(), area.height()));
+    QPixmap *cropped = new QPixmap;
+    QPixmap *scr = fullscreen(cursor);
+    scr->copy(x, y, w, h).swap(*cropped);
+    delete scr;
+    return cropped;
 }

screenshotutil.hpp

@@ -1,12 +1,13 @@
 #ifndef SCREENSHOTUTIL_HPP
 #define SCREENSHOTUTIL_HPP
 
+#include <QApplication>
 #include <QWidget>
 
 namespace screenshotutil {
 QPixmap *fullscreen(bool cursor = true);
 QPixmap *fullscreenArea(bool cursor = true, qreal x = 0, qreal y = 0, qreal w = -1, qreal h = -1);
-QPixmap *window(WId wid);
+QPixmap *window(WId wid, QScreen *w = QApplication::primaryScreen());
 void toClipboard(QString value);
 }