Add GUI widget for controlling pica breakpoints.

1 files changed, 253 insertions, 0 deletions

diff --git a/src/citra_qt/debugger/graphics_breakpoints.cpp b/src/citra_qt/debugger/graphics_breakpoints.cpp
new file mode 100644
index 00000000..2f41d5f7
--- /dev/null
+++ b/src/citra_qt/debugger/graphics_breakpoints.cpp
@@ -0,0 +1,253 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include <QMetaType>
+#include <QPushButton>
+#include <QTreeWidget>
+#include <QVBoxLayout>
+#include <QLabel>
+
+#include "graphics_breakpoints.hxx"
+
+BreakPointModel::BreakPointModel(std::shared_ptr<Pica::DebugContext> debug_context, QObject* parent)
+    : QAbstractListModel(parent), context_weak(debug_context),
+      at_breakpoint(debug_context->at_breakpoint),
+      active_breakpoint(debug_context->active_breakpoint)
+{
+
+}
+
+int BreakPointModel::columnCount(const QModelIndex& parent) const
+{
+    return 2;
+}
+
+int BreakPointModel::rowCount(const QModelIndex& parent) const
+{
+    return static_cast<int>(Pica::DebugContext::Event::NumEvents);
+}
+
+QVariant BreakPointModel::data(const QModelIndex& index, int role) const
+{
+    const auto event = static_cast<Pica::DebugContext::Event>(index.row());
+
+    switch (role) {
+    case Qt::DisplayRole:
+    {
+        if (index.column() == 0) {
+            std::map<Pica::DebugContext::Event, QString> map;
+            map.insert({Pica::DebugContext::Event::CommandLoaded, tr("Pica command loaded")});
+            map.insert({Pica::DebugContext::Event::CommandProcessed, tr("Pica command processed")});
+            map.insert({Pica::DebugContext::Event::IncomingPrimitiveBatch, tr("Incomming primitive batch")});
+            map.insert({Pica::DebugContext::Event::FinishedPrimitiveBatch, tr("Finished primitive batch")});
+
+            _dbg_assert_(GPU, map.size() == static_cast<size_t>(Pica::DebugContext::Event::NumEvents));
+
+            return map[event];
+        } else if (index.column() == 1) {
+            return data(index, Role_IsEnabled).toBool() ? tr("Enabled") : tr("Disabled");
+        }
+
+        break;
+    }
+
+    case Qt::BackgroundRole:
+    {
+        if (at_breakpoint && index.row() == static_cast<int>(active_breakpoint)) {
+            return QBrush(QColor(0xE0, 0xE0, 0x10));
+        }
+        break;
+    }
+
+    case Role_IsEnabled:
+    {
+        auto context = context_weak.lock();
+        return context && context->breakpoints[event].enabled;
+    }
+
+    default:
+        break;
+    }
+    return QVariant();
+}
+
+QVariant BreakPointModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+    switch(role) {
+    case Qt::DisplayRole:
+    {
+        if (section == 0) {
+            return tr("Event");
+        } else if (section == 1) {
+            return tr("Status");
+        }
+
+        break;
+    }
+    }
+
+    return QVariant();
+}
+
+bool BreakPointModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+    const auto event = static_cast<Pica::DebugContext::Event>(index.row());
+
+    switch (role) {
+    case Role_IsEnabled:
+    {
+        auto context = context_weak.lock();
+        if (!context)
+            return false;
+
+        context->breakpoints[event].enabled = value.toBool();
+        QModelIndex changed_index = createIndex(index.row(), 1);
+        emit dataChanged(changed_index, changed_index);
+        return true;
+    }
+    }
+
+    return false;
+}
+
+
+void BreakPointModel::OnBreakPointHit(Pica::DebugContext::Event event)
+{
+    auto context = context_weak.lock();
+    if (!context)
+        return;
+
+    active_breakpoint = context->active_breakpoint;
+    at_breakpoint = context->at_breakpoint;
+    emit dataChanged(createIndex(static_cast<int>(event), 0),
+                     createIndex(static_cast<int>(event), 1));
+}
+
+void BreakPointModel::OnResumed()
+{
+    auto context = context_weak.lock();
+    if (!context)
+        return;
+
+    at_breakpoint = context->at_breakpoint;
+    emit dataChanged(createIndex(static_cast<int>(active_breakpoint), 0),
+                     createIndex(static_cast<int>(active_breakpoint), 1));
+    active_breakpoint = context->active_breakpoint;
+}
+
+
+GraphicsBreakPointsWidget::GraphicsBreakPointsWidget(std::shared_ptr<Pica::DebugContext> debug_context,
+                                                     QWidget* parent)
+    : QDockWidget(tr("Pica Breakpoints"), parent),
+      Pica::DebugContext::BreakPointObserver(debug_context)
+{
+    setObjectName("PicaBreakPointsWidget");
+
+    status_text = new QLabel(tr("Emulation running"));
+    resume_button = new QPushButton(tr("Resume"));
+    resume_button->setEnabled(false);
+
+    breakpoint_model = new BreakPointModel(debug_context, this);
+    breakpoint_list = new QTreeView;
+    breakpoint_list->setModel(breakpoint_model);
+
+    toggle_breakpoint_button = new QPushButton(tr("Enable"));
+    toggle_breakpoint_button->setEnabled(false);
+
+    qRegisterMetaType<Pica::DebugContext::Event>("Pica::DebugContext::Event");
+
+    connect(resume_button, SIGNAL(clicked()), this, SLOT(OnResumeRequested()));
+
+    connect(this, SIGNAL(BreakPointHit(Pica::DebugContext::Event,void*)),
+            this, SLOT(OnBreakPointHit(Pica::DebugContext::Event,void*)),
+            Qt::BlockingQueuedConnection);
+    connect(this, SIGNAL(Resumed()), this, SLOT(OnResumed()));
+
+    connect(this, SIGNAL(BreakPointHit(Pica::DebugContext::Event,void*)),
+            breakpoint_model, SLOT(OnBreakPointHit(Pica::DebugContext::Event)),
+            Qt::BlockingQueuedConnection);
+    connect(this, SIGNAL(Resumed()), breakpoint_model, SLOT(OnResumed()));
+
+    connect(this, SIGNAL(BreakPointsChanged(const QModelIndex&,const QModelIndex&)),
+            breakpoint_model, SIGNAL(dataChanged(const QModelIndex&,const QModelIndex&)));
+
+    connect(breakpoint_list->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
+            this, SLOT(OnBreakpointSelectionChanged(QModelIndex)));
+
+    connect(toggle_breakpoint_button, SIGNAL(clicked()), this, SLOT(OnToggleBreakpointEnabled()));
+
+    QWidget* main_widget = new QWidget;
+    auto main_layout = new QVBoxLayout;
+    {
+        auto sub_layout = new QHBoxLayout;
+        sub_layout->addWidget(status_text);
+        sub_layout->addWidget(resume_button);
+        main_layout->addLayout(sub_layout);
+    }
+    main_layout->addWidget(breakpoint_list);
+    main_layout->addWidget(toggle_breakpoint_button);
+    main_widget->setLayout(main_layout);
+
+    setWidget(main_widget);
+}
+
+void GraphicsBreakPointsWidget::OnPicaBreakPointHit(Event event, void* data)
+{
+    // Process in GUI thread
+    emit BreakPointHit(event, data);
+}
+
+void GraphicsBreakPointsWidget::OnBreakPointHit(Pica::DebugContext::Event event, void* data)
+{
+    status_text->setText(tr("Emulation halted at breakpoint"));
+    resume_button->setEnabled(true);
+}
+
+void GraphicsBreakPointsWidget::OnPicaResume()
+{
+    // Process in GUI thread
+    emit Resumed();
+}
+
+void GraphicsBreakPointsWidget::OnResumed()
+{
+    status_text->setText(tr("Emulation running"));
+    resume_button->setEnabled(false);
+}
+
+void GraphicsBreakPointsWidget::OnResumeRequested()
+{
+    if (auto context = context_weak.lock())
+        context->Resume();
+}
+
+void GraphicsBreakPointsWidget::OnBreakpointSelectionChanged(const QModelIndex& index)
+{
+    if (!index.isValid()) {
+        toggle_breakpoint_button->setEnabled(false);
+        return;
+    }
+
+    toggle_breakpoint_button->setEnabled(true);
+    UpdateToggleBreakpointButton(index);
+}
+
+void GraphicsBreakPointsWidget::OnToggleBreakpointEnabled()
+{
+    QModelIndex index = breakpoint_list->selectionModel()->currentIndex();
+    bool new_state = !(breakpoint_model->data(index, BreakPointModel::Role_IsEnabled).toBool());
+
+    breakpoint_model->setData(index, new_state,
+                              BreakPointModel::Role_IsEnabled);
+    UpdateToggleBreakpointButton(index);
+}
+
+void GraphicsBreakPointsWidget::UpdateToggleBreakpointButton(const QModelIndex& index)
+{
+    if (true == breakpoint_model->data(index, BreakPointModel::Role_IsEnabled).toBool()) {
+        toggle_breakpoint_button->setText(tr("Disable"));
+    } else {
+        toggle_breakpoint_button->setText(tr("Enable"));
+    }
+}