fixed #250 tooltips don't stay in window geometry

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