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Qt: Center icons in grid view

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Stenzek 2025-04-04 21:44:51 +10:00
parent f494cb47c4
commit 426cdd1611
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2 changed files with 41 additions and 3 deletions
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31
src/duckstation-qt/gamelistwidget.cpp
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@ -1196,7 +1196,9 @@ void GameListWidget::initialize()
m_list_view->setContextMenuPolicy(Qt::CustomContextMenu); m_list_view->setContextMenuPolicy(Qt::CustomContextMenu);
m_list_view->setFrameStyle(QFrame::NoFrame); m_list_view->setFrameStyle(QFrame::NoFrame);
m_list_view->setVerticalScrollMode(QAbstractItemView::ScrollMode::ScrollPerPixel); m_list_view->setVerticalScrollMode(QAbstractItemView::ScrollMode::ScrollPerPixel);
m_list_view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
m_list_view->verticalScrollBar()->setSingleStep(15); m_list_view->verticalScrollBar()->setSingleStep(15);
onCoverScaleChanged(); onCoverScaleChanged();
connect(m_list_view->selectionModel(), &QItemSelectionModel::currentChanged, this, connect(m_list_view->selectionModel(), &QItemSelectionModel::currentChanged, this,
@ -1441,10 +1443,13 @@ void GameListWidget::onCoverScaleChanged()
m_model->updateCacheSize(width(), height()); m_model->updateCacheSize(width(), height());
m_list_view->setSpacing(m_model->getCoverArtSpacing()); m_list_view->setSpacing(m_model->getCoverArtSpacing());
m_list_view->setIconSize(QSize(m_model->getCoverArtWidth(), m_model->getCoverArtHeight()));
QFont font; QFont font;
font.setPointSizeF(20.0f * m_model->getCoverScale()); font.setPointSizeF(20.0f * m_model->getCoverScale());
m_list_view->setFont(font); m_list_view->setFont(font);
m_list_view->updateLayout();
} }
void GameListWidget::listZoom(float delta) void GameListWidget::listZoom(float delta)
@ -1784,3 +1789,29 @@ void GameListGridListView::wheelEvent(QWheelEvent* e)
QListView::wheelEvent(e); QListView::wheelEvent(e);
} }
void GameListGridListView::resizeEvent(QResizeEvent* e)
{
updateLayout();
QListView::resizeEvent(e);
}
void GameListGridListView::updateLayout()
{
const int scrollbar_width = verticalScrollBar()->width();
const int item_spacing = spacing();
const int icon_margin = style()->pixelMetric(QStyle::PM_FocusFrameHMargin, nullptr, this) * 2;
// I hate this +2. Not sure what's not being accounted for, but without it the calculation is off by 2 pixels...
const int icon_width = iconSize().width() + icon_margin + item_spacing + 2;
const int available_width = width() - scrollbar_width - item_spacing - icon_margin;
const int items_per_row = available_width / icon_width;
const int margin = (available_width - (items_per_row * icon_width)) / 2;
m_horizontal_offset = margin;
}
int GameListGridListView::horizontalOffset() const
{
return QListView::horizontalOffset() - m_horizontal_offset;
}

13
src/duckstation-qt/gamelistwidget.h
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@ -152,22 +152,29 @@ private:
mutable LRUCache<std::string, QPixmap> m_memcard_pixmap_cache; mutable LRUCache<std::string, QPixmap> m_memcard_pixmap_cache;
}; };
class GameListGridListView : public QListView class GameListGridListView final : public QListView
{ {
Q_OBJECT Q_OBJECT
public: public:
GameListGridListView(QWidget* parent = nullptr); GameListGridListView(QWidget* parent = nullptr);
void updateLayout();
int horizontalOffset() const override;
Q_SIGNALS: Q_SIGNALS:
void zoomOut(); void zoomOut();
void zoomIn(); void zoomIn();
protected: protected:
void wheelEvent(QWheelEvent* e); void wheelEvent(QWheelEvent* e) override;
void resizeEvent(QResizeEvent* e) override;
private:
int m_horizontal_offset = 0;
}; };
class GameListWidget : public QWidget class GameListWidget final : public QWidget
{ {
Q_OBJECT Q_OBJECT