From d966c24bc38aa04cad80c2adb35af7376b6e9260 Mon Sep 17 00:00:00 2001
From: fourtf <tf.four@gmail.com>
Date: Mon, 22 Jan 2018 15:06:36 +0100
Subject: [PATCH] fixed #250 tooltips don't stay in window geometry

---
 src/widgets/helper/channelview.cpp |  2 +-
 src/widgets/helper/splitheader.cpp |  2 +-
 src/widgets/tooltipwidget.cpp      | 45 ++++++++++++++++++++++++------
 src/widgets/tooltipwidget.hpp      | 11 ++++++--
 4 files changed, 47 insertions(+), 13 deletions(-)

diff --git a/src/widgets/helper/channelview.cpp b/src/widgets/helper/channelview.cpp
index d3c1b6845..586415d86 100644
--- a/src/widgets/helper/channelview.cpp
+++ b/src/widgets/helper/channelview.cpp
@@ -652,7 +652,7 @@ void ChannelView::mouseMoveEvent(QMouseEvent *event)
     if (tooltip.isEmpty()) {
         tooltipWidget->hide();
     } else {
-        tooltipWidget->moveTo(event->globalPos());
+        tooltipWidget->moveTo(this, event->globalPos());
         tooltipWidget->setText(tooltip);
         tooltipWidget->show();
     }
diff --git a/src/widgets/helper/splitheader.cpp b/src/widgets/helper/splitheader.cpp
index e43cea068..67c0ee355 100644
--- a/src/widgets/helper/splitheader.cpp
+++ b/src/widgets/helper/splitheader.cpp
@@ -211,7 +211,7 @@ void SplitHeader::mouseMoveEvent(QMouseEvent *event)
 {
     if (!this->dragging && this->isLive) {
         auto tooltipWidget = TooltipWidget::getInstance();
-        tooltipWidget->moveTo(event->globalPos());
+        tooltipWidget->moveTo(this, event->globalPos());
         tooltipWidget->setText(tooltip);
         tooltipWidget->show();
     }
diff --git a/src/widgets/tooltipwidget.cpp b/src/widgets/tooltipwidget.cpp
index f038827eb..99ea114b1 100644
--- a/src/widgets/tooltipwidget.cpp
+++ b/src/widgets/tooltipwidget.cpp
@@ -1,7 +1,8 @@
 #include "tooltipwidget.hpp"
-#include "singletons/thememanager.hpp"
 #include "singletons/fontmanager.hpp"
+#include "singletons/thememanager.hpp"
 
+#include <QDesktopWidget>
 #include <QStyle>
 #include <QVBoxLayout>
 
@@ -9,7 +10,7 @@ namespace chatterino {
 namespace widgets {
 
 TooltipWidget::TooltipWidget(BaseWidget *parent)
-    : BaseWidget(parent)
+    : BaseWindow(parent)
     , displayText(new QLabel())
 {
     QColor black(0, 0, 0);
@@ -21,11 +22,12 @@ TooltipWidget::TooltipWidget(BaseWidget *parent)
     this->setPalette(palette);
     this->displayText->setStyleSheet("color: #ffffff");
     this->setWindowOpacity(0.8);
-    this->setFont(singletons::FontManager::getInstance().getFont(singletons::FontManager::Type::MediumSmall,
-                                                     this->getDpiMultiplier()));
+    this->setFont(singletons::FontManager::getInstance().getFont(
+        singletons::FontManager::Type::MediumSmall, this->getDpiMultiplier()));
 
     this->setAttribute(Qt::WA_ShowWithoutActivating);
-    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint);
+    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint |
+                         Qt::X11BypassWindowManagerHint);
 
     displayText->setAlignment(Qt::AlignHCenter);
     displayText->setText("lmao xD");
@@ -35,8 +37,8 @@ TooltipWidget::TooltipWidget(BaseWidget *parent)
     this->setLayout(layout);
 
     singletons::FontManager::getInstance().fontChanged.connect([this] {
-        this->setFont(singletons::FontManager::getInstance().getFont(singletons::FontManager::Type::MediumSmall,
-                                                         this->getDpiMultiplier()));
+        this->setFont(singletons::FontManager::getInstance().getFont(
+            singletons::FontManager::Type::MediumSmall, this->getDpiMultiplier()));
     });
 }
 
@@ -45,12 +47,39 @@ void TooltipWidget::setText(QString text)
     this->displayText->setText(text);
 }
 
-void TooltipWidget::moveTo(QPoint point)
+void TooltipWidget::moveTo(QWidget *parent, QPoint point)
 {
     point.rx() += 16;
     point.ry() += 16;
     this->move(point);
 }
 
+void TooltipWidget::resizeEvent(QResizeEvent *)
+{
+    this->moveIntoDesktopRect(this);
+}
+
+void TooltipWidget::moveIntoDesktopRect(QWidget *parent)
+{
+    QDesktopWidget *desktop = QApplication::desktop();
+
+    QRect s = desktop->screenGeometry(parent);
+    QRect w = this->geometry();
+
+    if (w.left() < s.left()) {
+        w.moveLeft(s.left());
+    }
+    if (w.right() < s.right()) {
+        w.moveRight(s.right());
+    }
+    if (w.top() < s.top()) {
+        w.moveTop(s.top());
+    }
+    if (w.bottom() < s.bottom()) {
+        w.moveBottom(s.bottom());
+    }
+
+    this->setGeometry(w);
+}
 }  // namespace widgets
 }  // namespace chatterino
diff --git a/src/widgets/tooltipwidget.hpp b/src/widgets/tooltipwidget.hpp
index 561f0f354..5c1ede8cc 100644
--- a/src/widgets/tooltipwidget.hpp
+++ b/src/widgets/tooltipwidget.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "widgets/basewidget.hpp"
+#include "widgets/basewindow.hpp"
 
 #include <QLabel>
 #include <QWidget>
@@ -7,14 +7,14 @@
 namespace chatterino {
 namespace widgets {
 
-class TooltipWidget : public BaseWidget
+class TooltipWidget : public BaseWindow
 {
     Q_OBJECT
 public:
     TooltipWidget(BaseWidget *parent = nullptr);
 
     void setText(QString text);
-    void moveTo(QPoint point);
+    void moveTo(QWidget *widget, QPoint point);
 
     static TooltipWidget *getInstance()
     {
@@ -25,8 +25,13 @@ public:
         return tooltipWidget;
     }
 
+protected:
+    virtual void resizeEvent(QResizeEvent *) override;
+
 private:
     QLabel *displayText;
+
+    void moveIntoDesktopRect(QWidget *parent);
 };
 
 }  // namespace widgets