Add support for Imgur anonymous uploads

capture/capturewidget.cpp

@@ -35,6 +35,8 @@
 #include <QMouseEvent>
 #include <QClipboard>
 #include <QSettings>
+#include <QNetworkReply>
+#include <QDesktopServices>
 
 #include <QDebug>
 
@@ -329,6 +331,30 @@ void CaptureWidget::copyScreenshot() {
     close();
 }
 
+void CaptureWidget::openURL(QNetworkReply *reply) {
+    if (reply->error() == QNetworkReply::NoError) {
+        QString data = QString::fromUtf8(reply->readAll());
+        QString imageID = data.split("\"").at(5);
+        QString url = QString("http://i.imgur.com/%1.png").arg(imageID);
+        QDesktopServices::openUrl(url);
+    }
+    close();
+}
+
+void CaptureWidget::uploadScreenshot() {
+    Screenshot s(m_screenshot);
+    s.paintModifications(m_modifications);
+    QNetworkAccessManager *am = new QNetworkAccessManager(this);
+    connect(am, &QNetworkAccessManager::finished, this,
+            &CaptureWidget::openURL);
+    if (m_selection.isNull()) {
+        s.uploadToImgur(am);
+    } else {
+        s.uploadToImgur(am, getExtendedSelection());
+    }
+    hide();
+}
+
 void CaptureWidget::undo() {
     if (!m_modifications.isEmpty()) {
         m_modifications.pop_back();
@@ -375,8 +401,7 @@ void CaptureWidget::downResize() {
 void CaptureWidget::setState(Button::Type t) {
     if(t == Button::Type::selectionIndicator ||
             t == Button::Type::mouseVisibility ||
-            t == Button::Type::colorPicker ||
-            t == Button::Type::imageUploader) {
+            t == Button::Type::colorPicker) {
         return;
     }
     Button::Type newState = t;
@@ -391,6 +416,8 @@ void CaptureWidget::setState(Button::Type t) {
         close();
     } else if (t == Button::Type::undo) {
         undo();
+    } else if (t == Button::Type::imageUploader) {
+        uploadScreenshot();
     } else {
         m_state = newState;
     }

capture/capturewidget.h

@@ -33,6 +33,8 @@ class QPaintEvent;
 class QResizeEvent;
 class QMouseEvent;
 class CaptureModification;
+class QNetworkAccessManager;
+class QNetworkReply;
 
 class CaptureWidget : public QWidget {
     Q_OBJECT
@@ -45,6 +47,7 @@ public:
 private slots:
     void saveScreenshot();
     void copyScreenshot();
+    void openURL(QNetworkReply *reply);
     void leaveButton();
     void enterButton();
     void undo();
@@ -92,6 +95,7 @@ protected:
 
 private:
     void createCapture();
+    void uploadScreenshot();
     void initShortcuts();
     void updateHandles();
     void updateSizeIndicator();

capture/screenshot.cpp

@@ -27,6 +27,10 @@
 #include <QImageWriter>
 #include <QFileDialog>
 #include <QPainter>
+#include <QBuffer>
+#include <QUrlQuery>
+#include <QNetworkRequest>
+#include <QNetworkAccessManager>
 
 // Screenshot is an extension of QPixmap which lets you manage specific tasks
 
@@ -34,6 +38,10 @@ Screenshot::Screenshot(const QPixmap &p) : m_screenshot(p) {
 
 }
 
+Screenshot::~Screenshot() {
+    if (m_accessManager) delete(m_accessManager);
+}
+
 void Screenshot::setScreenshot(const QPixmap &p) {
     m_screenshot = p;
 }
@@ -115,9 +123,8 @@ QPixmap Screenshot::paintModifications(const QVector<CaptureModification> v) {
         switch (modification.getType()) {
         case Button::Type::arrow:
             painter.drawLine(points[0], points[1]);
-            // https://forum.qt.io/topic/27284/solved-trouble-creating-an-arrow-between-two-qgraphicsitems
-            // http://doc.qt.io/qt-5/qtwidgets-graphicsview-diagramscene-example.html
-            // https://forum.qt.io/topic/38928/code-to-create-a-arrow-graphics-item-in-qt
+
+
             break;
         case Button::Type::circle:
             painter.drawEllipse(QRect(points[0], points[1]));
@@ -144,4 +151,33 @@ QPixmap Screenshot::paintModifications(const QVector<CaptureModification> v) {
     return m_screenshot;
 }
 
+void Screenshot::uploadToImgur(QNetworkAccessManager *accessManager,
+                               const QRect &selection) {
+    QString title ="asdasdf";
+    QString description = "test";
+    QPixmap pixToSave;
+    if (selection.isEmpty()) {
+        pixToSave = m_screenshot;
+    } else { // save full screen when no selection
+        pixToSave = m_screenshot.copy(selection);
+    }
+    QByteArray byteArray;
+    QBuffer buffer(&byteArray);
+    pixToSave.save(&buffer, "PNG");
+
+    QUrlQuery urlQuery;
+    urlQuery.addQueryItem("title", title);
+    urlQuery.addQueryItem("description", description);
+
+    QNetworkRequest request;
+    QUrl url("https://api.imgur.com/3/image");
+    url.setQuery(urlQuery);
+    request.setUrl(url);
+    request.setHeader(QNetworkRequest::ContentTypeHeader,
+                      "application/application/x-www-form-urlencoded");
+    request.setRawHeader("Authorization", "Client-ID 313baf0c7b4d3ff");
+
+    accessManager->post(request, byteArray);
+}
+
 

capture/screenshot.h

@@ -20,22 +20,27 @@
 
 #include <QPixmap>
 #include <QRect>
+#include <QPointer>
 
 class QString;
 class CaptureModification;
+class QNetworkAccessManager;
 
-class Screenshot
-{
+class Screenshot {
 public:
     Screenshot(const QPixmap &);
+    ~Screenshot();
 
     void setScreenshot(const QPixmap &);
     QPixmap getScreenshot() const;
     QString graphicalSave(const QRect &selection = QRect()) const;
+    void uploadToImgur(QNetworkAccessManager *,
+                       const QRect &selection = QRect());
     QPixmap paintModifications(const QVector<CaptureModification>);
 
 private:
     QPixmap m_screenshot;
+    QPointer<QNetworkAccessManager> m_accessManager;
 };
 
 #endif // SCREENSHOT_H

configwindow.cpp

@@ -56,7 +56,7 @@ void ConfigWindow::initButtonList() {
         auto t = static_cast<Button::Type>(i);
         // Blocked items
         if (t ==Button::Type::mouseVisibility || t ==Button::Type::text ||
-                t ==Button::Type::imageUploader || t ==Button::Type::arrow) {
+                 t ==Button::Type::arrow) {
             continue;
         }
         QListWidgetItem *buttonItem = new QListWidgetItem(m_buttonListView);