GeneralPane: Add BalloonTip to speed limit combobox

Source/Core/DolphinQt/Settings/GeneralPane.cpp

@@ -26,6 +26,7 @@
 
 #include "DolphinQt/Config/ConfigControls/ConfigBool.h"
 #include "DolphinQt/Config/ToolTipControls/ToolTipCheckBox.h"
+#include "DolphinQt/Config/ToolTipControls/ToolTipComboBox.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
 #include "DolphinQt/QtUtils/SetWindowDecorations.h"
@@ -164,7 +165,7 @@ void GeneralPane::CreateBasic()
   speed_limit_layout->setFieldGrowthPolicy(QFormLayout::AllNonFixedFieldsGrow);
   basic_group_layout->addLayout(speed_limit_layout);
 
-  m_combobox_speedlimit = new QComboBox();
+  m_combobox_speedlimit = new ToolTipComboBox();
 
   m_combobox_speedlimit->addItem(tr("Unlimited"));
   for (int i = 10; i <= 200; i += 10)  // from 10% to 200%
@@ -402,6 +403,13 @@ void GeneralPane::AddDescriptions()
                  "<br><br>This setting cannot be changed while emulation is active."
                  "<br><br><dolphin_emphasis>If unsure, leave this checked.</dolphin_emphasis>");
 #endif
+  static constexpr char TR_SPEEDLIMIT_DESCRIPTION[] = QT_TR_NOOP(
+      "Sets the maximum time scale of emulation. Values higher than 100% will accelerate emulated "
+      "time by processing faster than the original hardware, while values lower than 100% will "
+      "slow emulated time. Unlimited will emulate as fast as your host hardware can run."
+      "<br><br>Higher speeds are proportionally more costly to emulate. Depending on the title, "
+      "your settings, and your host hardware, some of these values may not be sustainable."
+      "<br><br><dolphin_emphasis>If unsure, select 100%.</dolphin_emphasis>");
 
   m_checkbox_dualcore->SetDescription(tr(TR_DUALCORE_DESCRIPTION));
 
@@ -414,4 +422,7 @@ void GeneralPane::AddDescriptions()
 #ifdef USE_DISCORD_PRESENCE
   m_checkbox_discord_presence->SetDescription(tr(TR_DISCORD_PRESENCE_DESCRIPTION));
 #endif
+
+  m_combobox_speedlimit->SetTitle(tr("Speed Limit"));
+  m_combobox_speedlimit->SetDescription(tr(TR_SPEEDLIMIT_DESCRIPTION));
 }

Source/Core/DolphinQt/Settings/GeneralPane.h

@@ -14,6 +14,7 @@ class QRadioButton;
 class QSlider;
 class QVBoxLayout;
 class ToolTipCheckBox;
+class ToolTipComboBox;
 
 namespace Core
 {
@@ -40,7 +41,7 @@ private:
 
   // Widgets
   QVBoxLayout* m_main_layout;
-  QComboBox* m_combobox_speedlimit;
+  ToolTipComboBox* m_combobox_speedlimit;
   QComboBox* m_combobox_update_track;
   QComboBox* m_combobox_fallback_region;
   ConfigBool* m_checkbox_dualcore;
@@ -50,7 +51,6 @@ private:
 #ifdef USE_DISCORD_PRESENCE
   ToolTipCheckBox* m_checkbox_discord_presence;
 #endif
-  QLabel* m_label_speedlimit;
 
 // Analytics related
 #if defined(USE_ANALYTICS) && USE_ANALYTICS