From 8e636b144ec1b5c7b3a65c3c0782a51e3e4624d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?K=C4=81rlis=20Se=C5=86ko?= <karlis3p70l1ij@gmail.com>
Date: Sat, 12 Jun 2021 12:45:13 +0300
Subject: [PATCH] Proof of concept for windowed mode.

---
 src/core/controller.cpp               |  3 ++-
 src/widgets/capture/capturewidget.cpp | 12 ++++++++++--
 src/widgets/capture/capturewidget.h   |  5 +++++
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/core/controller.cpp b/src/core/controller.cpp
index ffe0ad5282..2ffa5be4eb 100644
--- a/src/core/controller.cpp
+++ b/src/core/controller.cpp
@@ -315,7 +315,8 @@ void Controller::startVisualCapture(const uint id,
         m_captureWindow->activateWindow();
         m_captureWindow->raise();
 #else
-        m_captureWindow->showFullScreen();
+        //m_captureWindow->showFullScreen();
+        m_captureWindow->showMaximized();
 //        m_captureWindow->show(); // For CaptureWidget Debugging under Linux
 #endif
         if (!m_appLatestUrl.isEmpty() &&
diff --git a/src/widgets/capture/capturewidget.cpp b/src/widgets/capture/capturewidget.cpp
index e4b8ed3a52..69b9259894 100644
--- a/src/widgets/capture/capturewidget.cpp
+++ b/src/widgets/capture/capturewidget.cpp
@@ -68,6 +68,7 @@ CaptureWidget::CaptureWidget(uint id,
   , m_selection(nullptr)
   , m_existingObjectIsChanged(false)
   , m_startMove(false)
+  , m_middleClickDrag(false)
 {
     m_undoStack.setUndoLimit(ConfigHandler().undoLimit());
 
@@ -130,9 +131,9 @@ CaptureWidget::CaptureWidget(uint id,
         resize(currentScreen->size());
 #else
         // Comment For CaptureWidget Debugging under Linux
-        setWindowFlags(Qt::BypassWindowManagerHint | Qt::WindowStaysOnTopHint |
+        /*setWindowFlags(Qt::BypassWindowManagerHint | Qt::WindowStaysOnTopHint |
                        Qt::FramelessWindowHint | Qt::Tool);
-        resize(pixmap().size());
+        resize(pixmap().size());*/
 #endif
     }
     // Create buttons
@@ -342,6 +343,7 @@ void CaptureWidget::paintEvent(QPaintEvent* paintEvent)
 {
     Q_UNUSED(paintEvent)
     QPainter painter(this);
+    painter.translate(m_viewOffset);
     painter.drawPixmap(0, 0, m_context.screenshot);
 
     if (m_activeTool && m_mouseIsClicked) {
@@ -502,8 +504,13 @@ void CaptureWidget::mousePressEvent(QMouseEvent* e)
                 m_grabbing = true;
             }
         }
+    }  else if (e->button() == Qt::MiddleButton) {
+        m_middleClickDrag = true;
+        m_dragStartPoint = e->pos();
+        m_initialOffset = m_viewOffset;
     }
 
+
     // Commit current tool if it has edit widget and mouse click is outside
     // of it
     if (m_toolWidget && !m_toolWidget->geometry().contains(e->pos())) {
@@ -744,6 +751,7 @@ void CaptureWidget::mouseReleaseEvent(QMouseEvent* e)
     m_activeToolIsMoved = false;
     m_newSelection = false;
     m_grabbing = false;
+     m_middleClickDrag = false;
 
     updateCursor();
 }
diff --git a/src/widgets/capture/capturewidget.h b/src/widgets/capture/capturewidget.h
index 8eaad97004..997853019d 100644
--- a/src/widgets/capture/capturewidget.h
+++ b/src/widgets/capture/capturewidget.h
@@ -21,6 +21,7 @@
 #include <QPointer>
 #include <QUndoStack>
 #include <QWidget>
+#include <qpoint.h>
 
 class QPaintEvent;
 class QResizeEvent;
@@ -195,4 +196,8 @@ private slots:
     // For start moving after more than X offset
     QPoint m_startMovePos;
     bool m_startMove;
+
+    QPoint m_viewOffset;
+    QPoint m_initialOffset;
+    bool m_middleClickDrag;
 };