Merge pull request #7205 from spycrab/qt_rename

Move DolphinQt2 to DolphinQt

1 files changed, 563 insertions, 0 deletions

diff --git a/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp b/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp
new file mode 100644
index 0000000000..629a3efdb4
--- /dev/null
+++ b/Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp
@@ -0,0 +1,563 @@
+// Copyright 2018 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "DolphinQt/Debugger/CodeViewWidget.h"
+
+#include <algorithm>
+#include <cmath>
+
+#include <QApplication>
+#include <QClipboard>
+#include <QHeaderView>
+#include <QInputDialog>
+#include <QKeyEvent>
+#include <QMenu>
+#include <QMouseEvent>
+#include <QResizeEvent>
+#include <QScrollBar>
+#include <QTableWidgetItem>
+#include <QWheelEvent>
+
+#include "Common/StringUtil.h"
+#include "Core/Core.h"
+#include "Core/Debugger/PPCDebugInterface.h"
+#include "Core/PowerPC/MMU.h"
+#include "Core/PowerPC/PPCAnalyst.h"
+#include "Core/PowerPC/PPCSymbolDB.h"
+#include "Core/PowerPC/PowerPC.h"
+#include "DolphinQt/QtUtils/ActionHelper.h"
+#include "DolphinQt/Resources.h"
+#include "DolphinQt/Settings.h"
+
+constexpr size_t VALID_BRANCH_LENGTH = 10;
+
+CodeViewWidget::CodeViewWidget()
+{
+  setColumnCount(5);
+  setShowGrid(false);
+  setContextMenuPolicy(Qt::CustomContextMenu);
+  setSelectionMode(QAbstractItemView::SingleSelection);
+  setSelectionBehavior(QAbstractItemView::SelectRows);
+  verticalScrollBar()->setHidden(true);
+
+  for (int i = 0; i < columnCount(); i++)
+  {
+    horizontalHeader()->setSectionResizeMode(i, QHeaderView::Fixed);
+  }
+
+  verticalHeader()->hide();
+  horizontalHeader()->hide();
+  horizontalHeader()->setStretchLastSection(true);
+
+  setFont(Settings::Instance().GetDebugFont());
+
+  Update();
+
+  connect(this, &CodeViewWidget::customContextMenuRequested, this, &CodeViewWidget::OnContextMenu);
+  connect(this, &CodeViewWidget::itemSelectionChanged, this, &CodeViewWidget::OnSelectionChanged);
+  connect(&Settings::Instance(), &Settings::DebugFontChanged, this, &QWidget::setFont);
+  connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, [this] {
+    m_address = PC;
+    Update();
+  });
+
+  connect(&Settings::Instance(), &Settings::ThemeChanged, this, &CodeViewWidget::Update);
+}
+
+static u32 GetBranchFromAddress(u32 addr)
+{
+  std::string disasm = PowerPC::debug_interface.Disassemble(addr);
+  size_t pos = disasm.find("->0x");
+
+  if (pos == std::string::npos)
+    return 0;
+
+  std::string hex = disasm.substr(pos + 2);
+  return std::stoul(hex, nullptr, 16);
+}
+
+void CodeViewWidget::Update()
+{
+  if (m_updating)
+    return;
+
+  m_updating = true;
+
+  clearSelection();
+  if (rowCount() == 0)
+    setRowCount(1);
+
+  // Calculate (roughly) how many rows will fit in our table
+  int rows = std::round((height() / static_cast<float>(rowHeight(0))) - 0.25);
+
+  setRowCount(rows);
+
+  for (int i = 0; i < rows; i++)
+    setRowHeight(i, 24);
+
+  u32 pc = PowerPC::ppcState.pc;
+
+  if (Core::GetState() != Core::State::Paused && PowerPC::debug_interface.IsBreakpoint(pc))
+    Core::SetState(Core::State::Paused);
+
+  const bool dark_theme = qApp->palette().color(QPalette::Base).valueF() < 0.5;
+
+  for (int i = 0; i < rowCount(); i++)
+  {
+    u32 addr = m_address - ((rowCount() / 2) * 4) + i * 4;
+    u32 color = PowerPC::debug_interface.GetColor(addr);
+    auto* bp_item = new QTableWidgetItem;
+    auto* addr_item = new QTableWidgetItem(QStringLiteral("%1").arg(addr, 8, 16, QLatin1Char('0')));
+
+    std::string disas = PowerPC::debug_interface.Disassemble(addr);
+    auto split = disas.find('\t');
+
+    std::string ins = (split == std::string::npos ? disas : disas.substr(0, split));
+    std::string param = (split == std::string::npos ? "" : disas.substr(split + 1));
+    std::string desc = PowerPC::debug_interface.GetDescription(addr);
+
+    auto* ins_item = new QTableWidgetItem(QString::fromStdString(ins));
+    auto* param_item = new QTableWidgetItem(QString::fromStdString(param));
+    auto* description_item = new QTableWidgetItem(QString::fromStdString(desc));
+
+    for (auto* item : {bp_item, addr_item, ins_item, param_item, description_item})
+    {
+      item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
+      item->setData(Qt::UserRole, addr);
+
+      if (addr == pc && item != bp_item)
+      {
+        item->setBackground(QColor(Qt::green));
+        item->setForeground(QColor(Qt::black));
+      }
+      else if (color != 0xFFFFFF)
+      {
+        item->setBackground(dark_theme ? QColor(color).darker(240) : QColor(color));
+      }
+    }
+
+    // look for hex strings to decode branches
+    std::string hex_str;
+    size_t pos = param.find("0x");
+    if (pos != std::string::npos)
+    {
+      hex_str = param.substr(pos);
+    }
+
+    if (hex_str.length() == VALID_BRANCH_LENGTH && desc != "---")
+    {
+      description_item->setText(tr("--> %1").arg(QString::fromStdString(
+          PowerPC::debug_interface.GetDescription(GetBranchFromAddress(addr)))));
+      param_item->setForeground(Qt::magenta);
+    }
+
+    if (ins == "blr")
+      ins_item->setForeground(dark_theme ? QColor(0xa0FFa0) : Qt::darkGreen);
+
+    if (PowerPC::debug_interface.IsBreakpoint(addr))
+    {
+      bp_item->setData(Qt::DecorationRole,
+                       Resources::GetScaledThemeIcon("debugger_breakpoint").pixmap(QSize(24, 24)));
+    }
+
+    setItem(i, 0, bp_item);
+    setItem(i, 1, addr_item);
+    setItem(i, 2, ins_item);
+    setItem(i, 3, param_item);
+    setItem(i, 4, description_item);
+
+    if (addr == GetAddress())
+    {
+      selectRow(addr_item->row());
+    }
+  }
+
+  resizeColumnsToContents();
+  setColumnWidth(0, 24 + 5);
+
+  g_symbolDB.FillInCallers();
+
+  repaint();
+  m_updating = false;
+}
+
+u32 CodeViewWidget::GetAddress() const
+{
+  return m_address;
+}
+
+void CodeViewWidget::SetAddress(u32 address, SetAddressUpdate update)
+{
+  if (m_address == address)
+    return;
+
+  m_address = address;
+  if (update == SetAddressUpdate::WithUpdate)
+    Update();
+}
+
+void CodeViewWidget::ReplaceAddress(u32 address, ReplaceWith replace)
+{
+  PowerPC::debug_interface.UnsetPatch(address);
+  PowerPC::debug_interface.SetPatch(address, replace == ReplaceWith::BLR ? 0x4e800020 : 0x60000000);
+  Update();
+}
+
+void CodeViewWidget::OnContextMenu()
+{
+  QMenu* menu = new QMenu(this);
+
+  bool running = Core::GetState() != Core::State::Uninitialized;
+
+  const u32 addr = GetContextAddress();
+
+  bool has_symbol = g_symbolDB.GetSymbolFromAddr(addr);
+
+  auto* follow_branch_action =
+      AddAction(menu, tr("Follow &branch"), this, &CodeViewWidget::OnFollowBranch);
+
+  menu->addSeparator();
+
+  AddAction(menu, tr("&Copy address"), this, &CodeViewWidget::OnCopyAddress);
+  auto* copy_address_action =
+      AddAction(menu, tr("Copy &function"), this, &CodeViewWidget::OnCopyFunction);
+  auto* copy_line_action =
+      AddAction(menu, tr("Copy code &line"), this, &CodeViewWidget::OnCopyCode);
+  auto* copy_hex_action = AddAction(menu, tr("Copy &hex"), this, &CodeViewWidget::OnCopyHex);
+  menu->addSeparator();
+
+  auto* symbol_rename_action =
+      AddAction(menu, tr("&Rename symbol"), this, &CodeViewWidget::OnRenameSymbol);
+  auto* symbol_size_action =
+      AddAction(menu, tr("Set symbol &size"), this, &CodeViewWidget::OnSetSymbolSize);
+  auto* symbol_end_action =
+      AddAction(menu, tr("Set symbol &end address"), this, &CodeViewWidget::OnSetSymbolEndAddress);
+  menu->addSeparator();
+
+  AddAction(menu, tr("Run &To Here"), this, &CodeViewWidget::OnRunToHere);
+  auto* function_action =
+      AddAction(menu, tr("&Add function"), this, &CodeViewWidget::OnAddFunction);
+  auto* ppc_action = AddAction(menu, tr("PPC vs Host"), this, &CodeViewWidget::OnPPCComparison);
+  auto* insert_blr_action = AddAction(menu, tr("&Insert blr"), this, &CodeViewWidget::OnInsertBLR);
+  auto* insert_nop_action = AddAction(menu, tr("Insert &nop"), this, &CodeViewWidget::OnInsertNOP);
+  auto* replace_action =
+      AddAction(menu, tr("Re&place instruction"), this, &CodeViewWidget::OnReplaceInstruction);
+  auto* restore_action =
+      AddAction(menu, tr("Restore instruction"), this, &CodeViewWidget::OnRestoreInstruction);
+
+  follow_branch_action->setEnabled(running && GetBranchFromAddress(addr));
+
+  for (auto* action : {copy_address_action, copy_line_action, copy_hex_action, function_action,
+                       ppc_action, insert_blr_action, insert_nop_action, replace_action})
+    action->setEnabled(running);
+
+  for (auto* action : {symbol_rename_action, symbol_size_action, symbol_end_action})
+    action->setEnabled(has_symbol);
+
+  restore_action->setEnabled(running && PowerPC::debug_interface.HasEnabledPatch(addr));
+
+  menu->exec(QCursor::pos());
+  Update();
+}
+
+void CodeViewWidget::OnCopyAddress()
+{
+  const u32 addr = GetContextAddress();
+
+  QApplication::clipboard()->setText(QStringLiteral("%1").arg(addr, 8, 16, QLatin1Char('0')));
+}
+
+void CodeViewWidget::OnCopyCode()
+{
+  const u32 addr = GetContextAddress();
+
+  QApplication::clipboard()->setText(
+      QString::fromStdString(PowerPC::debug_interface.Disassemble(addr)));
+}
+
+void CodeViewWidget::OnCopyFunction()
+{
+  const u32 address = GetContextAddress();
+
+  const Common::Symbol* symbol = g_symbolDB.GetSymbolFromAddr(address);
+  if (!symbol)
+    return;
+
+  std::string text = symbol->name + "\r\n";
+  // we got a function
+  const u32 start = symbol->address;
+  const u32 end = start + symbol->size;
+  for (u32 addr = start; addr != end; addr += 4)
+  {
+    const std::string disasm = PowerPC::debug_interface.Disassemble(addr);
+    text += StringFromFormat("%08x: ", addr) + disasm + "\r\n";
+  }
+
+  QApplication::clipboard()->setText(QString::fromStdString(text));
+}
+
+void CodeViewWidget::OnCopyHex()
+{
+  const u32 addr = GetContextAddress();
+  const u32 instruction = PowerPC::debug_interface.ReadInstruction(addr);
+
+  QApplication::clipboard()->setText(
+      QStringLiteral("%1").arg(instruction, 8, 16, QLatin1Char('0')));
+}
+
+void CodeViewWidget::OnRunToHere()
+{
+  const u32 addr = GetContextAddress();
+
+  PowerPC::debug_interface.SetBreakpoint(addr);
+  PowerPC::debug_interface.RunToBreakpoint();
+  Update();
+}
+
+void CodeViewWidget::OnPPCComparison()
+{
+  const u32 addr = GetContextAddress();
+
+  emit RequestPPCComparison(addr);
+}
+
+void CodeViewWidget::OnAddFunction()
+{
+  const u32 addr = GetContextAddress();
+
+  g_symbolDB.AddFunction(addr);
+  emit SymbolsChanged();
+  Update();
+}
+
+void CodeViewWidget::OnInsertBLR()
+{
+  const u32 addr = GetContextAddress();
+
+  ReplaceAddress(addr, ReplaceWith::BLR);
+}
+
+void CodeViewWidget::OnInsertNOP()
+{
+  const u32 addr = GetContextAddress();
+
+  ReplaceAddress(addr, ReplaceWith::NOP);
+}
+
+void CodeViewWidget::OnFollowBranch()
+{
+  const u32 addr = GetContextAddress();
+
+  u32 branch_addr = GetBranchFromAddress(addr);
+
+  if (!branch_addr)
+    return;
+
+  SetAddress(branch_addr, SetAddressUpdate::WithUpdate);
+}
+
+void CodeViewWidget::OnRenameSymbol()
+{
+  const u32 addr = GetContextAddress();
+
+  Common::Symbol* symbol = g_symbolDB.GetSymbolFromAddr(addr);
+
+  if (!symbol)
+    return;
+
+  bool good;
+  QString name =
+      QInputDialog::getText(this, tr("Rename symbol"), tr("Symbol name:"), QLineEdit::Normal,
+                            QString::fromStdString(symbol->name), &good);
+
+  if (good && !name.isEmpty())
+  {
+    symbol->Rename(name.toStdString());
+    emit SymbolsChanged();
+    Update();
+  }
+}
+
+void CodeViewWidget::OnSelectionChanged()
+{
+  if (m_address == PowerPC::ppcState.pc)
+  {
+    setStyleSheet(
+        QStringLiteral("QTableView::item:selected {background-color: #00FF00; color: #000000;}"));
+  }
+  else if (!styleSheet().isEmpty())
+  {
+    setStyleSheet(QStringLiteral(""));
+  }
+}
+
+void CodeViewWidget::OnSetSymbolSize()
+{
+  const u32 addr = GetContextAddress();
+
+  Common::Symbol* symbol = g_symbolDB.GetSymbolFromAddr(addr);
+
+  if (!symbol)
+    return;
+
+  bool good;
+  int size =
+      QInputDialog::getInt(this, tr("Rename symbol"),
+                           tr("Set symbol size (%1):").arg(QString::fromStdString(symbol->name)),
+                           symbol->size, 1, 0xFFFF, 1, &good);
+
+  if (!good)
+    return;
+
+  PPCAnalyst::ReanalyzeFunction(symbol->address, *symbol, size);
+  emit SymbolsChanged();
+  Update();
+}
+
+void CodeViewWidget::OnSetSymbolEndAddress()
+{
+  const u32 addr = GetContextAddress();
+
+  Common::Symbol* symbol = g_symbolDB.GetSymbolFromAddr(addr);
+
+  if (!symbol)
+    return;
+
+  bool good;
+  QString name = QInputDialog::getText(
+      this, tr("Set symbol end address"),
+      tr("Symbol (%1) end address:").arg(QString::fromStdString(symbol->name)), QLineEdit::Normal,
+      QStringLiteral("%1").arg(addr + symbol->size, 8, 16, QLatin1Char('0')), &good);
+
+  u32 address = name.toUInt(&good, 16);
+
+  if (!good)
+    return;
+
+  PPCAnalyst::ReanalyzeFunction(symbol->address, *symbol, address - symbol->address);
+  emit SymbolsChanged();
+  Update();
+}
+
+void CodeViewWidget::OnReplaceInstruction()
+{
+  const u32 addr = GetContextAddress();
+
+  if (!PowerPC::HostIsInstructionRAMAddress(addr))
+    return;
+
+  const PowerPC::TryReadInstResult read_result = PowerPC::TryReadInstruction(addr);
+  if (!read_result.valid)
+    return;
+
+  bool good;
+  QString name = QInputDialog::getText(
+      this, tr("Change instruction"), tr("New instruction:"), QLineEdit::Normal,
+      QStringLiteral("%1").arg(read_result.hex, 8, 16, QLatin1Char('0')), &good);
+
+  u32 code = name.toUInt(&good, 16);
+
+  if (good)
+  {
+    PowerPC::debug_interface.UnsetPatch(addr);
+    PowerPC::debug_interface.SetPatch(addr, code);
+    Update();
+  }
+}
+
+void CodeViewWidget::OnRestoreInstruction()
+{
+  const u32 addr = GetContextAddress();
+
+  PowerPC::debug_interface.UnsetPatch(addr);
+  Update();
+}
+
+void CodeViewWidget::resizeEvent(QResizeEvent*)
+{
+  Update();
+}
+
+void CodeViewWidget::keyPressEvent(QKeyEvent* event)
+{
+  switch (event->key())
+  {
+  case Qt::Key_Up:
+    m_address -= 3 * sizeof(u32);
+    Update();
+    return;
+  case Qt::Key_Down:
+    m_address += 3 * sizeof(u32);
+    Update();
+    return;
+  case Qt::Key_PageUp:
+    m_address -= rowCount() * sizeof(u32);
+    Update();
+    return;
+  case Qt::Key_PageDown:
+    m_address += rowCount() * sizeof(u32);
+    Update();
+    return;
+  default:
+    QWidget::keyPressEvent(event);
+    break;
+  }
+}
+
+void CodeViewWidget::wheelEvent(QWheelEvent* event)
+{
+  int delta = event->delta() > 0 ? -1 : 1;
+
+  m_address += delta * 3 * sizeof(u32);
+  Update();
+}
+
+void CodeViewWidget::mousePressEvent(QMouseEvent* event)
+{
+  auto* item = itemAt(event->pos());
+  if (item == nullptr)
+    return;
+
+  const u32 addr = item->data(Qt::UserRole).toUInt();
+
+  m_context_address = addr;
+
+  switch (event->button())
+  {
+  case Qt::LeftButton:
+    if (column(item) == 0)
+      ToggleBreakpoint();
+    else
+      SetAddress(addr, SetAddressUpdate::WithUpdate);
+
+    Update();
+    break;
+  default:
+    break;
+  }
+}
+
+void CodeViewWidget::ToggleBreakpoint()
+{
+  if (PowerPC::debug_interface.IsBreakpoint(GetContextAddress()))
+    PowerPC::breakpoints.Remove(GetContextAddress());
+  else
+    PowerPC::breakpoints.Add(GetContextAddress());
+
+  emit BreakpointsChanged();
+  Update();
+}
+
+void CodeViewWidget::AddBreakpoint()
+{
+  PowerPC::breakpoints.Add(GetContextAddress());
+
+  emit BreakpointsChanged();
+  Update();
+}
+
+u32 CodeViewWidget::GetContextAddress() const
+{
+  return m_context_address;
+}