Duckstation/src/duckstation-qt/postprocessingchainconfigwidget.cpp

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#include "postprocessingchainconfigwidget.h"
#include "frontend-common/postprocessing_chain.h"
#include "postprocessingshaderconfigwidget.h"
#include "qthostinterface.h"
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#include <QtGui/QCursor>
#include <QtWidgets/QMenu>
#include <QtWidgets/QMessageBox>
PostProcessingChainConfigWidget::PostProcessingChainConfigWidget(QWidget* parent) : QWidget(parent)
{
m_ui.setupUi(this);
connectUi();
updateButtonStates(std::nullopt);
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}
PostProcessingChainConfigWidget::~PostProcessingChainConfigWidget() = default;
void PostProcessingChainConfigWidget::connectUi()
{
connect(m_ui.add, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onAddButtonClicked);
connect(m_ui.remove, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onRemoveButtonClicked);
connect(m_ui.clear, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onClearButtonClicked);
connect(m_ui.moveUp, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onMoveUpButtonClicked);
connect(m_ui.moveDown, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onMoveDownButtonClicked);
// connect(m_ui.reload, &QToolButton::clicked, this, &PostProcessingChainConfigWidget::onReloadButtonClicked);
connect(m_ui.shaderSettings, &QToolButton::clicked, this,
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&PostProcessingChainConfigWidget::onShaderConfigButtonClicked);
connect(m_ui.shaders, &QListWidget::itemSelectionChanged, this,
&PostProcessingChainConfigWidget::onSelectedShaderChanged);
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// m_ui.loadPreset->setEnabled(false);
// m_ui.savePreset->setEnabled(false);
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}
bool PostProcessingChainConfigWidget::setConfigString(const std::string_view& config_string)
{
if (!m_chain.CreateFromString(config_string))
return false;
updateList();
return true;
}
void PostProcessingChainConfigWidget::setOptionsButtonVisible(bool visible)
{
if (visible)
{
m_ui.shaderSettings->setVisible(true);
m_ui.horizontalLayout->addWidget(m_ui.shaderSettings);
}
else
{
m_ui.shaderSettings->setVisible(false);
m_ui.horizontalLayout->removeWidget(m_ui.shaderSettings);
}
}
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std::optional<u32> PostProcessingChainConfigWidget::getSelectedIndex() const
{
QList<QListWidgetItem*> selected_items = m_ui.shaders->selectedItems();
return selected_items.empty() ? std::nullopt :
std::optional<u32>(selected_items.first()->data(Qt::UserRole).toUInt());
}
void PostProcessingChainConfigWidget::updateList()
{
m_ui.shaders->clear();
for (u32 i = 0; i < m_chain.GetStageCount(); i++)
{
const FrontendCommon::PostProcessingShader& shader = m_chain.GetShaderStage(i);
QListWidgetItem* item = new QListWidgetItem(QString::fromStdString(shader.GetName()), m_ui.shaders);
item->setData(Qt::UserRole, QVariant(i));
}
updateButtonStates(std::nullopt);
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}
void PostProcessingChainConfigWidget::configChanged()
{
if (m_chain.IsEmpty())
chainConfigStringChanged(std::string());
else
chainConfigStringChanged(m_chain.GetConfigString());
}
void PostProcessingChainConfigWidget::updateButtonStates(std::optional<u32> index)
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{
m_ui.remove->setEnabled(index.has_value());
m_ui.clear->setEnabled(!m_chain.IsEmpty());
// m_ui.reload->setEnabled(!m_chain.IsEmpty());
m_ui.shaderSettings->setEnabled(index.has_value() && (index.value() < m_chain.GetStageCount()) &&
m_chain.GetShaderStage(index.value()).HasOptions());
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if (index.has_value())
{
m_ui.moveUp->setEnabled(index.value() > 0);
m_ui.moveDown->setEnabled(index.value() < (m_chain.GetStageCount() - 1u));
}
else
{
m_ui.moveUp->setEnabled(false);
m_ui.moveDown->setEnabled(false);
}
}
void PostProcessingChainConfigWidget::onAddButtonClicked()
{
QMenu menu;
const std::vector<std::string> shaders(FrontendCommon::PostProcessingChain::GetAvailableShaderNames());
if (shaders.empty())
{
menu.addAction(tr("No Shaders Available"))->setEnabled(false);
}
else
{
for (const std::string& shader : shaders)
{
QAction* action = menu.addAction(QString::fromStdString(shader));
connect(action, &QAction::triggered, [this, &shader]() {
chainAboutToChange();
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if (!m_chain.AddStage(shader))
{
QMessageBox::critical(this, tr("Error"), tr("Failed to add shader. The log may contain more information."));
return;
}
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updateList();
configChanged();
});
}
}
menu.exec(QCursor::pos());
}
void PostProcessingChainConfigWidget::onRemoveButtonClicked()
{
QList<QListWidgetItem*> selected_items = m_ui.shaders->selectedItems();
if (selected_items.empty())
return;
QListWidgetItem* item = selected_items.first();
u32 index = item->data(Qt::UserRole).toUInt();
if (index < m_chain.GetStageCount())
{
chainAboutToChange();
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m_chain.RemoveStage(index);
updateList();
configChanged();
}
}
void PostProcessingChainConfigWidget::onClearButtonClicked()
{
if (QMessageBox::question(this, tr("Question"), tr("Are you sure you want to clear all shader stages?"),
QMessageBox::Yes, QMessageBox::No) == QMessageBox::Yes)
{
chainAboutToChange();
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m_chain.ClearStages();
updateList();
configChanged();
}
}
void PostProcessingChainConfigWidget::onMoveUpButtonClicked()
{
std::optional<u32> index = getSelectedIndex();
if (index.has_value())
{
chainAboutToChange();
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m_chain.MoveStageUp(index.value());
updateList();
configChanged();
}
}
void PostProcessingChainConfigWidget::onMoveDownButtonClicked()
{
std::optional<u32> index = getSelectedIndex();
if (index.has_value())
{
chainAboutToChange();
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m_chain.MoveStageDown(index.value());
updateList();
configChanged();
}
}
void PostProcessingChainConfigWidget::onShaderConfigButtonClicked()
{
std::optional<u32> index = getSelectedIndex();
if (index.has_value() && index.value() < m_chain.GetStageCount())
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{
PostProcessingShaderConfigDialog shader_config(this, &m_chain.GetShaderStage(index.value()));
connect(&shader_config, &PostProcessingShaderConfigDialog::configChanged, [this]() { configChanged(); });
shader_config.exec();
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}
}
void PostProcessingChainConfigWidget::onReloadButtonClicked()
{
QtHostInterface::GetInstance()->reloadPostProcessingShaders();
}
void PostProcessingChainConfigWidget::onSelectedShaderChanged()
{
std::optional<u32> index = getSelectedIndex();
selectedShaderChanged(index.has_value() ? static_cast<s32>(index.value()) : -1);
updateButtonStates(index);
}