From 700eca1baac5c944432f2a2d806cd09d6ca803ae Mon Sep 17 00:00:00 2001
From: TryTwo <taolas@gmail.com>
Date: Thu, 20 Oct 2022 17:58:22 -0700
Subject: [PATCH] MemoryViewWidget set target address as selected.  Fix focus
 call. Always color selected item blue.

---
 .../DolphinQt/Debugger/MemoryViewWidget.cpp   | 32 +++++++++++++++----
 .../DolphinQt/Debugger/MemoryViewWidget.h     |  2 ++
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
index 81178106af..e83e77eb1b 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
+++ b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.cpp
@@ -56,8 +56,17 @@ public:
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setShowGrid(false);
     setContextMenuPolicy(Qt::CustomContextMenu);
-    setSelectionMode(SingleSelection);
+    // Selection will be set programmatically. User will still get an outline on clicked items.
+    setSelectionMode(NoSelection);
     setTextElideMode(Qt::TextElideMode::ElideNone);
+
+    // Prevent colors from changing based on focus.
+    QPalette palette(m_view->palette());
+    palette.setBrush(QPalette::Inactive, QPalette::Highlight, palette.brush(QPalette::Highlight));
+    palette.setBrush(QPalette::Inactive, QPalette::HighlightedText,
+                     palette.brush(QPalette::HighlightedText));
+    setPalette(palette);
+
     setRowCount(30);
     setColumnCount(8);
 
@@ -398,9 +407,6 @@ void MemoryViewWidget::Update()
     row_item->setText(QStringLiteral("%1").arg(row_address, 8, 16, QLatin1Char('0')));
     row_item->setData(USER_ROLE_CELL_ADDRESS, row_address);
 
-    if (row_address == address)
-      row_item->setSelected(true);
-
     for (int c = 0; c < m_data_columns; c++)
     {
       auto* item = m_table->item(i, c + MISC_COLUMNS);
@@ -440,6 +446,10 @@ void MemoryViewWidget::UpdateColumns()
       const Type type = static_cast<Type>(cell_item->data(USER_ROLE_VALUE_TYPE).toInt());
 
       cell_item->setText(ValueToString(cell_address, type));
+
+      // Set search address to selected / colored
+      if (cell_address == m_address_highlight)
+        cell_item->setSelected(true);
     }
   }
 }
@@ -743,6 +753,7 @@ void MemoryViewWidget::SetBPType(BPType type)
 
 void MemoryViewWidget::SetAddress(u32 address)
 {
+  m_address_highlight = address;
   if (m_address == address)
     return;
 
@@ -868,21 +879,23 @@ void MemoryViewWidget::ScrollbarActionTriggered(int action)
   {
     // User is currently dragging the scrollbar.
     // Adjust the memory view by the exact drag difference.
-    SetAddress(m_address + difference * m_bytes_per_row);
+    m_address += difference * m_bytes_per_row;
+    Update();
   }
   else
   {
     if (std::abs(difference) == 1)
     {
       // User clicked the arrows at the top or bottom, go up/down one row.
-      SetAddress(m_address + difference * m_bytes_per_row);
+      m_address += difference * m_bytes_per_row;
     }
     else
     {
       // User clicked the free part of the scrollbar, go up/down one page.
-      SetAddress(m_address + (difference < 0 ? -1 : 1) * m_bytes_per_row * m_table->rowCount());
+      m_address += (difference < 0 ? -1 : 1) * m_bytes_per_row * m_table->rowCount();
     }
 
+    Update();
     // Manually reset the draggable part of the bar back to the center.
     m_scrollbar->setSliderPosition(SCROLLBAR_CENTER);
   }
@@ -893,3 +906,8 @@ void MemoryViewWidget::ScrollbarSliderReleased()
   // Reset the draggable part of the bar back to the center.
   m_scrollbar->setValue(SCROLLBAR_CENTER);
 }
+
+void MemoryViewWidget::SetFocus() const
+{
+  m_table->setFocus();
+}
diff --git a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
index ddf93d84d2..19cd2dd85b 100644
--- a/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
+++ b/Source/Core/DolphinQt/Debugger/MemoryViewWidget.h
@@ -60,6 +60,7 @@ public:
   void SetDisplay(Type type, int bytes_per_row, int alignment, bool dual_view);
   void SetBPType(BPType type);
   void SetAddress(u32 address);
+  void SetFocus() const;
 
   void SetBPLoggingEnabled(bool enabled);
 
@@ -85,6 +86,7 @@ private:
   BPType m_bp_type = BPType::ReadWrite;
   bool m_do_log = true;
   u32 m_address = 0x80000000;
+  u32 m_address_highlight = 0;
   int m_font_width = 0;
   int m_font_vspace = 0;
   int m_bytes_per_row = 16;