From a5271d409de8ae6b8100e61140981145b22c82dd Mon Sep 17 00:00:00 2001
From: Le Tan <tamlokveer@gmail.com>
Date: Tue, 29 May 2018 19:53:14 +0800
Subject: [PATCH] support stay-on-top

---
 src/resources/icons/stay_on_top.svg | 11 ++++++++++
 src/vmainwindow.cpp                 | 31 +++++++++++++++++++++++++++++
 src/vmainwindow.h                   |  2 ++
 src/vnote.qrc                       |  1 +
 4 files changed, 45 insertions(+)
 create mode 100644 src/resources/icons/stay_on_top.svg

diff --git a/src/resources/icons/stay_on_top.svg b/src/resources/icons/stay_on_top.svg
new file mode 100644
index 00000000..9036a5de
--- /dev/null
+++ b/src/resources/icons/stay_on_top.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 16.2.1, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 width="512px" height="512px" viewBox="0 0 512 512" style="enable-background:new 0 0 512 512;" xml:space="preserve">
+<path fill="#000000" d="M331.8,228C331.8,228,331.8,228,331.8,228c-1.2-0.5-2.4-1-3.5-1.7c-7-4-12.2-10.9-13.9-19.2L295.9,89.4l-0.2-5.8
+	c0-7.1,4.1-10.2,10-13l0,0c0.7-0.3,1.4-0.6,2.1-0.9c7.2-3.4,12.1-7.8,12.1-16.3c0-20.1-6.5-21.4-18.2-21.4h-91.3
+	c-11.7,0-18.2,1.2-18.2,21.4c0,8.5,4.9,12.9,12.1,16.3c0.7,0.3,1.4,0.5,2.1,0.9c0,0,0,0,0,0c5.9,2.9,10,6,10,13l-0.2,5.8
+	l-18.5,117.7c-1.7,8.3-6.9,15.2-13.9,19.2c-1.1,0.7-2.3,1.2-3.5,1.7c0,0,0,0,0,0c-19.7,10.2-36.2,30.8-36.2,54.7
+	c0,15.9,3.5,21.3,15.2,21.3H240l12,176h8l12-176h80.8c11.7,0,15.2-4.7,15.2-21.3C368,258.8,351.5,238.2,331.8,228z"/>
+</svg>
diff --git a/src/vmainwindow.cpp b/src/vmainwindow.cpp
index a67755aa..fe175217 100644
--- a/src/vmainwindow.cpp
+++ b/src/vmainwindow.cpp
@@ -381,6 +381,14 @@ void VMainWindow::initViewToolBar(QSize p_iconSize)
                 }
             });
 
+    QAction *stayOnTopAct = new QAction(VIconUtils::toolButtonIcon(":/resources/icons/stay_on_top.svg"),
+                                        tr("Stay On Top"),
+                                        this);
+    stayOnTopAct->setStatusTip(tr("Toggle stay-on-top"));
+    stayOnTopAct->setCheckable(true);
+    connect(stayOnTopAct, &QAction::triggered,
+            this, &VMainWindow::stayOnTop);
+
     QAction *menuBarAct = new QAction(VIconUtils::toolButtonIcon(":/resources/icons/menubar.svg"),
                                       tr("Menu Bar"),
                                       this);
@@ -396,6 +404,7 @@ void VMainWindow::initViewToolBar(QSize p_iconSize)
     QMenu *viewMenu = new QMenu(this);
     viewMenu->setToolTipsVisible(true);
     viewMenu->addAction(fullScreenAct);
+    viewMenu->addAction(stayOnTopAct);
     viewMenu->addAction(menuBarAct);
 
     expandViewAct = new QAction(VIconUtils::toolButtonIcon(":/resources/icons/expand.svg"),
@@ -3187,3 +3196,25 @@ void VMainWindow::showNotebookPanel()
     changePanelView(PanelViewState::VerticalMode);
     m_naviBox->setCurrentIndex(NAVI_BOX_NOTEBOOKS_IDX, false);
 }
+
+void VMainWindow::stayOnTop(bool p_enabled)
+{
+    bool shown = isVisible();
+    Qt::WindowFlags flags = this->windowFlags();
+
+#if defined(Q_OS_LINUX) || defined(Q_OS_UNIX)
+    Qt::WindowFlags magicFlag = Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint;
+#else
+    Qt::WindowFlags magicFlag = Qt::WindowStaysOnTopHint;
+#endif
+
+    if (p_enabled) {
+        setWindowFlags(flags | magicFlag);
+    } else {
+        setWindowFlags(flags ^ magicFlag);
+    }
+
+    if (shown) {
+        show();
+    }
+}
diff --git a/src/vmainwindow.h b/src/vmainwindow.h
index 67d3412a..d283408f 100644
--- a/src/vmainwindow.h
+++ b/src/vmainwindow.h
@@ -193,6 +193,8 @@ private slots:
     // Activate Universal Entry.
     void activateUniversalEntry();
 
+    void stayOnTop(bool p_enabled);
+
 protected:
     void closeEvent(QCloseEvent *event) Q_DECL_OVERRIDE;
 
diff --git a/src/vnote.qrc b/src/vnote.qrc
index 9061676c..ba21e652 100644
--- a/src/vnote.qrc
+++ b/src/vnote.qrc
@@ -223,5 +223,6 @@
         <file>resources/icons/open_location.svg</file>
         <file>resources/icons/unstar.svg</file>
         <file>resources/icons/explore_root.svg</file>
+        <file>resources/icons/stay_on_top.svg</file>
     </qresource>
 </RCC>