refactor: replaced wallpaper logic with WallpaperGrid component
This commit is contained in:
ATMDA
parent
324b32c0c2
commit
e781326da4
2 changed files with 518 additions and 513 deletions
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@ -140,519 +140,8 @@ Item {
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}
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}
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// Stop lazy loading when loader becomes inactive
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onActiveChanged: {
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if (!active && wallpaperLoader.item) {
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const container = wallpaperLoader.item;
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if (container && container.wallpaperGrid) {
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const grid = container.wallpaperGrid;
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if (grid.imageUpdateTimer) {
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grid.imageUpdateTimer.stop();
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}
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}
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}
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}
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sourceComponent: Item {
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id: wallpaperGridContainer
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property alias layoutPreferredHeight: wallpaperGrid.layoutPreferredHeight
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// Find and store reference to parent Flickable for scroll monitoring
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property var parentFlickable: {
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let item = parent;
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while (item) {
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if (item.flickableDirection !== undefined) {
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return item;
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}
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item = item.parent;
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}
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return null;
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}
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// Cleanup when component is destroyed
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Component.onDestruction: {
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if (wallpaperGrid) {
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if (wallpaperGrid.scrollCheckTimer) {
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wallpaperGrid.scrollCheckTimer.stop();
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}
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wallpaperGrid._expansionInProgress = false;
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}
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}
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QtObject {
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id: lazyModel
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property var sourceList: null
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property int loadedCount: 0
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property int visibleCount: 0
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property int totalCount: 0
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function initialize(list) {
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sourceList = list;
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totalCount = list ? list.length : 0;
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const initialRows = 3;
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const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 3;
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const initialCount = Math.min(initialRows * cols, totalCount);
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loadedCount = initialCount;
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visibleCount = initialCount;
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}
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function loadOneRow() {
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if (loadedCount < totalCount) {
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const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 1;
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const itemsToLoad = Math.min(cols, totalCount - loadedCount);
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loadedCount += itemsToLoad;
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}
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}
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function updateVisibleCount(neededCount) {
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const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 1;
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const maxVisible = Math.min(neededCount, loadedCount);
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const rows = Math.ceil(maxVisible / cols);
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const newVisibleCount = Math.min(rows * cols, loadedCount);
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if (newVisibleCount > visibleCount) {
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visibleCount = newVisibleCount;
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}
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}
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}
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GridView {
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id: wallpaperGrid
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anchors.fill: parent
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property int _delegateCount: 0
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readonly property int minCellWidth: 200 + Appearance.spacing.normal
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readonly property int columnsCount: Math.max(1, Math.floor(parent.width / minCellWidth))
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readonly property int layoutPreferredHeight: {
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if (!lazyModel || lazyModel.visibleCount === 0 || columnsCount === 0) {
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return 0;
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}
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const calculated = Math.ceil(lazyModel.visibleCount / columnsCount) * cellHeight;
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return calculated;
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}
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height: layoutPreferredHeight
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cellWidth: width / columnsCount
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cellHeight: 140 + Appearance.spacing.normal
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leftMargin: 0
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rightMargin: 0
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topMargin: 0
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bottomMargin: 0
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ListModel {
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id: wallpaperListModel
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}
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model: wallpaperListModel
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Connections {
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target: lazyModel
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function onVisibleCountChanged(): void {
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if (!lazyModel || !lazyModel.sourceList) return;
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const newCount = lazyModel.visibleCount;
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const currentCount = wallpaperListModel.count;
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if (newCount > currentCount) {
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const flickable = wallpaperGridContainer.parentFlickable;
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const oldScrollY = flickable ? flickable.contentY : 0;
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for (let i = currentCount; i < newCount; i++) {
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wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
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}
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if (flickable) {
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Qt.callLater(function() {
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if (Math.abs(flickable.contentY - oldScrollY) < 1) {
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flickable.contentY = oldScrollY;
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}
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});
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}
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}
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}
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}
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Component.onCompleted: {
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Qt.callLater(function() {
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const isActive = root.session.activeIndex === 3;
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if (width > 0 && parent && parent.visible && isActive && Wallpapers.list) {
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lazyModel.initialize(Wallpapers.list);
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wallpaperListModel.clear();
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for (let i = 0; i < lazyModel.visibleCount; i++) {
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wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
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}
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}
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});
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}
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Connections {
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target: root.session
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function onActiveIndexChanged(): void {
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const isActive = root.session.activeIndex === 3;
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// Stop lazy loading when switching away from appearance pane
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if (!isActive) {
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if (scrollCheckTimer) {
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scrollCheckTimer.stop();
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}
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if (wallpaperGrid) {
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wallpaperGrid._expansionInProgress = false;
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}
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return;
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}
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// Initialize if needed when switching to appearance pane
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if (isActive && width > 0 && !lazyModel.sourceList && parent && parent.visible && Wallpapers.list) {
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lazyModel.initialize(Wallpapers.list);
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wallpaperListModel.clear();
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for (let i = 0; i < lazyModel.visibleCount; i++) {
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wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
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}
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}
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}
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}
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onWidthChanged: {
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const isActive = root.session.activeIndex === 3;
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if (width > 0 && !lazyModel.sourceList && parent && parent.visible && isActive && Wallpapers.list) {
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lazyModel.initialize(Wallpapers.list);
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wallpaperListModel.clear();
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for (let i = 0; i < lazyModel.visibleCount; i++) {
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wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
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}
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}
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}
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// Force true lazy loading: only create delegates for visible items
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displayMarginBeginning: 0
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displayMarginEnd: 0
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cacheBuffer: 0
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// Debounce expansion to avoid too frequent checks
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property bool _expansionInProgress: false
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Connections {
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target: wallpaperGridContainer.parentFlickable
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function onContentYChanged(): void {
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// Don't process scroll events if appearance pane is not active
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const isActive = root.session.activeIndex === 3;
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if (!isActive) return;
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if (!lazyModel || !lazyModel.sourceList || lazyModel.loadedCount >= lazyModel.totalCount || wallpaperGrid._expansionInProgress) {
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return;
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}
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const flickable = wallpaperGridContainer.parentFlickable;
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if (!flickable) return;
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const gridY = wallpaperGridContainer.y;
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const scrollY = flickable.contentY;
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const viewportHeight = flickable.height;
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const topY = scrollY - gridY;
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const bottomY = scrollY + viewportHeight - gridY;
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if (bottomY < 0) return;
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const topRow = Math.max(0, Math.floor(topY / wallpaperGrid.cellHeight));
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const bottomRow = Math.floor(bottomY / wallpaperGrid.cellHeight);
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// Update visible count with 1 row buffer ahead
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const bufferRows = 1;
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const neededBottomRow = bottomRow + bufferRows;
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const neededCount = Math.min((neededBottomRow + 1) * wallpaperGrid.columnsCount, lazyModel.loadedCount);
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lazyModel.updateVisibleCount(neededCount);
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const loadedRows = Math.ceil(lazyModel.loadedCount / wallpaperGrid.columnsCount);
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const rowsRemaining = loadedRows - (bottomRow + 1);
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if (rowsRemaining <= 1 && lazyModel.loadedCount < lazyModel.totalCount) {
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if (!wallpaperGrid._expansionInProgress) {
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wallpaperGrid._expansionInProgress = true;
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lazyModel.loadOneRow();
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Qt.callLater(function() {
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wallpaperGrid._expansionInProgress = false;
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});
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}
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}
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}
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}
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// Fallback timer to check scroll position periodically
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Timer {
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id: scrollCheckTimer
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interval: 100
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running: {
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const isActive = root.session.activeIndex === 3;
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return isActive && lazyModel && lazyModel.sourceList && lazyModel.loadedCount < lazyModel.totalCount;
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}
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repeat: true
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onTriggered: {
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// Double-check that appearance pane is still active
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const isActive = root.session.activeIndex === 3;
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if (!isActive) {
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stop();
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return;
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}
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const flickable = wallpaperGridContainer.parentFlickable;
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if (!flickable || !lazyModel || !lazyModel.sourceList) return;
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const gridY = wallpaperGridContainer.y;
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const scrollY = flickable.contentY;
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const viewportHeight = flickable.height;
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const topY = scrollY - gridY;
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const bottomY = scrollY + viewportHeight - gridY;
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if (bottomY < 0) return;
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const topRow = Math.max(0, Math.floor(topY / wallpaperGrid.cellHeight));
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const bottomRow = Math.floor(bottomY / wallpaperGrid.cellHeight);
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const bufferRows = 1;
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const neededBottomRow = bottomRow + bufferRows;
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const neededCount = Math.min((neededBottomRow + 1) * wallpaperGrid.columnsCount, lazyModel.loadedCount);
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lazyModel.updateVisibleCount(neededCount);
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const loadedRows = Math.ceil(lazyModel.loadedCount / wallpaperGrid.columnsCount);
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const rowsRemaining = loadedRows - (bottomRow + 1);
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if (rowsRemaining <= 1 && lazyModel.loadedCount < lazyModel.totalCount) {
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if (!wallpaperGrid._expansionInProgress) {
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wallpaperGrid._expansionInProgress = true;
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lazyModel.loadOneRow();
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Qt.callLater(function() {
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wallpaperGrid._expansionInProgress = false;
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});
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}
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}
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}
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}
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interactive: false
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delegate: Item {
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required property var modelData
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width: wallpaperGrid.cellWidth
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height: wallpaperGrid.cellHeight
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readonly property bool isCurrent: modelData.path === Wallpapers.actualCurrent
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readonly property real itemMargin: Appearance.spacing.normal / 2
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readonly property real itemRadius: Appearance.rounding.normal
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Component.onCompleted: {
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wallpaperGrid._delegateCount++;
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}
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StateLayer {
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anchors.fill: parent
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anchors.leftMargin: itemMargin
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anchors.rightMargin: itemMargin
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anchors.topMargin: itemMargin
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anchors.bottomMargin: itemMargin
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radius: itemRadius
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function onClicked(): void {
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Wallpapers.setWallpaper(modelData.path);
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}
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}
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StyledClippingRect {
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id: image
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anchors.fill: parent
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anchors.leftMargin: itemMargin
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anchors.rightMargin: itemMargin
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anchors.topMargin: itemMargin
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anchors.bottomMargin: itemMargin
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color: Colours.tPalette.m3surfaceContainer
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radius: itemRadius
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antialiasing: true
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layer.enabled: true
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layer.smooth: true
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CachingImage {
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id: cachingImage
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path: modelData.path
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anchors.fill: parent
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fillMode: Image.PreserveAspectCrop
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cache: true
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visible: opacity > 0
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antialiasing: true
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smooth: true
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opacity: status === Image.Ready ? 1 : 0
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Behavior on opacity {
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NumberAnimation {
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duration: 1000
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easing.type: Easing.OutQuad
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}
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}
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}
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// Fallback if CachingImage fails to load
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Image {
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id: fallbackImage
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anchors.fill: parent
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source: fallbackTimer.triggered && cachingImage.status !== Image.Ready ? modelData.path : ""
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asynchronous: true
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fillMode: Image.PreserveAspectCrop
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cache: true
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visible: opacity > 0
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antialiasing: true
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smooth: true
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opacity: status === Image.Ready && cachingImage.status !== Image.Ready ? 1 : 0
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Behavior on opacity {
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NumberAnimation {
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duration: 1000
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easing.type: Easing.OutQuad
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}
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}
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}
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Timer {
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id: fallbackTimer
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property bool triggered: false
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interval: 800
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running: cachingImage.status === Image.Loading || cachingImage.status === Image.Null
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onTriggered: triggered = true
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}
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// Gradient overlay for filename
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Rectangle {
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id: filenameOverlay
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anchors.left: parent.left
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anchors.right: parent.right
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anchors.bottom: parent.bottom
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implicitHeight: filenameText.implicitHeight + Appearance.padding.normal * 1.5
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radius: 0
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gradient: Gradient {
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GradientStop {
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position: 0.0
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color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
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Colours.palette.m3surfaceContainer.g,
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Colours.palette.m3surfaceContainer.b, 0)
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}
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GradientStop {
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position: 0.3
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color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
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Colours.palette.m3surfaceContainer.g,
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Colours.palette.m3surfaceContainer.b, 0.7)
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}
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GradientStop {
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position: 0.6
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color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
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Colours.palette.m3surfaceContainer.g,
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Colours.palette.m3surfaceContainer.b, 0.9)
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}
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GradientStop {
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position: 1.0
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color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
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Colours.palette.m3surfaceContainer.g,
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Colours.palette.m3surfaceContainer.b, 0.95)
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}
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}
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opacity: 0
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Behavior on opacity {
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NumberAnimation {
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duration: 1000
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easing.type: Easing.OutCubic
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}
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}
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Component.onCompleted: {
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opacity = 1;
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}
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}
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}
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Rectangle {
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anchors.fill: parent
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anchors.leftMargin: itemMargin
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anchors.rightMargin: itemMargin
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anchors.topMargin: itemMargin
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anchors.bottomMargin: itemMargin
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color: "transparent"
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radius: itemRadius + border.width
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border.width: isCurrent ? 2 : 0
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border.color: Colours.palette.m3primary
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antialiasing: true
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smooth: true
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Behavior on border.width {
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NumberAnimation {
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duration: 150
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easing.type: Easing.OutQuad
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}
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}
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MaterialIcon {
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anchors.right: parent.right
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anchors.top: parent.top
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anchors.margins: Appearance.padding.small
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visible: isCurrent
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text: "check_circle"
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color: Colours.palette.m3primary
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font.pointSize: Appearance.font.size.large
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}
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}
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StyledText {
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id: filenameText
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anchors.left: parent.left
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anchors.right: parent.right
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anchors.bottom: parent.bottom
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anchors.leftMargin: Appearance.padding.normal + Appearance.spacing.normal / 2
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anchors.rightMargin: Appearance.padding.normal + Appearance.spacing.normal / 2
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anchors.bottomMargin: Appearance.padding.normal
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readonly property string fileName: {
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const path = modelData.relativePath || "";
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const parts = path.split("/");
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return parts.length > 0 ? parts[parts.length - 1] : path;
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}
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text: fileName
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font.pointSize: Appearance.font.size.smaller
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font.weight: 500
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color: isCurrent ? Colours.palette.m3primary : Colours.palette.m3onSurface
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elide: Text.ElideMiddle
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maximumLineCount: 1
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horizontalAlignment: Text.AlignHCenter
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opacity: 0
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Behavior on opacity {
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NumberAnimation {
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duration: 1000
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easing.type: Easing.OutCubic
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}
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}
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Component.onCompleted: {
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opacity = 1;
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}
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}
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}
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}
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sourceComponent: WallpaperGrid {
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session: root.session
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}
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}
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}
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516
modules/controlcenter/components/WallpaperGrid.qml
Normal file
516
modules/controlcenter/components/WallpaperGrid.qml
Normal file
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@ -0,0 +1,516 @@
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pragma ComponentBehavior: Bound
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import ".."
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import qs.components
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import qs.components.controls
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import qs.components.effects
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import qs.components.images
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import qs.services
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import qs.config
|
||||
import Caelestia.Models
|
||||
import QtQuick
|
||||
|
||||
Item {
|
||||
id: root
|
||||
|
||||
required property Session session
|
||||
|
||||
property alias layoutPreferredHeight: wallpaperGrid.layoutPreferredHeight
|
||||
|
||||
// Find and store reference to parent Flickable for scroll monitoring
|
||||
property var parentFlickable: {
|
||||
let item = parent;
|
||||
while (item) {
|
||||
if (item.flickableDirection !== undefined) {
|
||||
return item;
|
||||
}
|
||||
item = item.parent;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
// Cleanup when component is destroyed
|
||||
Component.onDestruction: {
|
||||
if (wallpaperGrid) {
|
||||
if (wallpaperGrid.scrollCheckTimer) {
|
||||
wallpaperGrid.scrollCheckTimer.stop();
|
||||
}
|
||||
wallpaperGrid._expansionInProgress = false;
|
||||
}
|
||||
}
|
||||
|
||||
QtObject {
|
||||
id: lazyModel
|
||||
|
||||
property var sourceList: null
|
||||
property int loadedCount: 0
|
||||
property int visibleCount: 0
|
||||
property int totalCount: 0
|
||||
|
||||
function initialize(list) {
|
||||
sourceList = list;
|
||||
totalCount = list ? list.length : 0;
|
||||
const initialRows = 3;
|
||||
const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 3;
|
||||
const initialCount = Math.min(initialRows * cols, totalCount);
|
||||
loadedCount = initialCount;
|
||||
visibleCount = initialCount;
|
||||
}
|
||||
|
||||
function loadOneRow() {
|
||||
if (loadedCount < totalCount) {
|
||||
const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 1;
|
||||
const itemsToLoad = Math.min(cols, totalCount - loadedCount);
|
||||
loadedCount += itemsToLoad;
|
||||
}
|
||||
}
|
||||
|
||||
function updateVisibleCount(neededCount) {
|
||||
const cols = wallpaperGrid.columnsCount > 0 ? wallpaperGrid.columnsCount : 1;
|
||||
const maxVisible = Math.min(neededCount, loadedCount);
|
||||
const rows = Math.ceil(maxVisible / cols);
|
||||
const newVisibleCount = Math.min(rows * cols, loadedCount);
|
||||
|
||||
if (newVisibleCount > visibleCount) {
|
||||
visibleCount = newVisibleCount;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GridView {
|
||||
id: wallpaperGrid
|
||||
anchors.fill: parent
|
||||
|
||||
property int _delegateCount: 0
|
||||
|
||||
readonly property int minCellWidth: 200 + Appearance.spacing.normal
|
||||
readonly property int columnsCount: Math.max(1, Math.floor(parent.width / minCellWidth))
|
||||
|
||||
readonly property int layoutPreferredHeight: {
|
||||
if (!lazyModel || lazyModel.visibleCount === 0 || columnsCount === 0) {
|
||||
return 0;
|
||||
}
|
||||
const calculated = Math.ceil(lazyModel.visibleCount / columnsCount) * cellHeight;
|
||||
return calculated;
|
||||
}
|
||||
|
||||
height: layoutPreferredHeight
|
||||
cellWidth: width / columnsCount
|
||||
cellHeight: 140 + Appearance.spacing.normal
|
||||
|
||||
leftMargin: 0
|
||||
rightMargin: 0
|
||||
topMargin: 0
|
||||
bottomMargin: 0
|
||||
|
||||
ListModel {
|
||||
id: wallpaperListModel
|
||||
}
|
||||
|
||||
model: wallpaperListModel
|
||||
|
||||
Connections {
|
||||
target: lazyModel
|
||||
function onVisibleCountChanged(): void {
|
||||
if (!lazyModel || !lazyModel.sourceList) return;
|
||||
|
||||
const newCount = lazyModel.visibleCount;
|
||||
const currentCount = wallpaperListModel.count;
|
||||
|
||||
if (newCount > currentCount) {
|
||||
const flickable = root.parentFlickable;
|
||||
const oldScrollY = flickable ? flickable.contentY : 0;
|
||||
|
||||
for (let i = currentCount; i < newCount; i++) {
|
||||
wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
|
||||
}
|
||||
|
||||
if (flickable) {
|
||||
Qt.callLater(function() {
|
||||
if (Math.abs(flickable.contentY - oldScrollY) < 1) {
|
||||
flickable.contentY = oldScrollY;
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Component.onCompleted: {
|
||||
Qt.callLater(function() {
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
if (width > 0 && parent && parent.visible && isActive && Wallpapers.list) {
|
||||
lazyModel.initialize(Wallpapers.list);
|
||||
wallpaperListModel.clear();
|
||||
for (let i = 0; i < lazyModel.visibleCount; i++) {
|
||||
wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
Connections {
|
||||
target: root.session
|
||||
function onActiveIndexChanged(): void {
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
|
||||
// Stop lazy loading when switching away from appearance pane
|
||||
if (!isActive) {
|
||||
if (scrollCheckTimer) {
|
||||
scrollCheckTimer.stop();
|
||||
}
|
||||
if (wallpaperGrid) {
|
||||
wallpaperGrid._expansionInProgress = false;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// Initialize if needed when switching to appearance pane
|
||||
if (isActive && width > 0 && !lazyModel.sourceList && parent && parent.visible && Wallpapers.list) {
|
||||
lazyModel.initialize(Wallpapers.list);
|
||||
wallpaperListModel.clear();
|
||||
for (let i = 0; i < lazyModel.visibleCount; i++) {
|
||||
wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
onWidthChanged: {
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
if (width > 0 && !lazyModel.sourceList && parent && parent.visible && isActive && Wallpapers.list) {
|
||||
lazyModel.initialize(Wallpapers.list);
|
||||
wallpaperListModel.clear();
|
||||
for (let i = 0; i < lazyModel.visibleCount; i++) {
|
||||
wallpaperListModel.append({modelData: lazyModel.sourceList[i]});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Force true lazy loading: only create delegates for visible items
|
||||
displayMarginBeginning: 0
|
||||
displayMarginEnd: 0
|
||||
cacheBuffer: 0
|
||||
|
||||
// Debounce expansion to avoid too frequent checks
|
||||
property bool _expansionInProgress: false
|
||||
|
||||
Connections {
|
||||
target: root.parentFlickable
|
||||
function onContentYChanged(): void {
|
||||
// Don't process scroll events if appearance pane is not active
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
if (!isActive) return;
|
||||
|
||||
if (!lazyModel || !lazyModel.sourceList || lazyModel.loadedCount >= lazyModel.totalCount || wallpaperGrid._expansionInProgress) {
|
||||
return;
|
||||
}
|
||||
|
||||
const flickable = root.parentFlickable;
|
||||
if (!flickable) return;
|
||||
|
||||
const gridY = root.y;
|
||||
const scrollY = flickable.contentY;
|
||||
const viewportHeight = flickable.height;
|
||||
|
||||
const topY = scrollY - gridY;
|
||||
const bottomY = scrollY + viewportHeight - gridY;
|
||||
|
||||
if (bottomY < 0) return;
|
||||
|
||||
const topRow = Math.max(0, Math.floor(topY / wallpaperGrid.cellHeight));
|
||||
const bottomRow = Math.floor(bottomY / wallpaperGrid.cellHeight);
|
||||
|
||||
// Update visible count with 1 row buffer ahead
|
||||
const bufferRows = 1;
|
||||
const neededBottomRow = bottomRow + bufferRows;
|
||||
const neededCount = Math.min((neededBottomRow + 1) * wallpaperGrid.columnsCount, lazyModel.loadedCount);
|
||||
lazyModel.updateVisibleCount(neededCount);
|
||||
|
||||
const loadedRows = Math.ceil(lazyModel.loadedCount / wallpaperGrid.columnsCount);
|
||||
const rowsRemaining = loadedRows - (bottomRow + 1);
|
||||
|
||||
if (rowsRemaining <= 1 && lazyModel.loadedCount < lazyModel.totalCount) {
|
||||
if (!wallpaperGrid._expansionInProgress) {
|
||||
wallpaperGrid._expansionInProgress = true;
|
||||
lazyModel.loadOneRow();
|
||||
Qt.callLater(function() {
|
||||
wallpaperGrid._expansionInProgress = false;
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Fallback timer to check scroll position periodically
|
||||
Timer {
|
||||
id: scrollCheckTimer
|
||||
interval: 100
|
||||
running: {
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
return isActive && lazyModel && lazyModel.sourceList && lazyModel.loadedCount < lazyModel.totalCount;
|
||||
}
|
||||
repeat: true
|
||||
onTriggered: {
|
||||
// Double-check that appearance pane is still active
|
||||
const isActive = root.session.activeIndex === 3;
|
||||
if (!isActive) {
|
||||
stop();
|
||||
return;
|
||||
}
|
||||
|
||||
const flickable = root.parentFlickable;
|
||||
if (!flickable || !lazyModel || !lazyModel.sourceList) return;
|
||||
|
||||
const gridY = root.y;
|
||||
const scrollY = flickable.contentY;
|
||||
const viewportHeight = flickable.height;
|
||||
|
||||
const topY = scrollY - gridY;
|
||||
const bottomY = scrollY + viewportHeight - gridY;
|
||||
if (bottomY < 0) return;
|
||||
|
||||
const topRow = Math.max(0, Math.floor(topY / wallpaperGrid.cellHeight));
|
||||
const bottomRow = Math.floor(bottomY / wallpaperGrid.cellHeight);
|
||||
|
||||
const bufferRows = 1;
|
||||
const neededBottomRow = bottomRow + bufferRows;
|
||||
const neededCount = Math.min((neededBottomRow + 1) * wallpaperGrid.columnsCount, lazyModel.loadedCount);
|
||||
lazyModel.updateVisibleCount(neededCount);
|
||||
|
||||
const loadedRows = Math.ceil(lazyModel.loadedCount / wallpaperGrid.columnsCount);
|
||||
const rowsRemaining = loadedRows - (bottomRow + 1);
|
||||
|
||||
if (rowsRemaining <= 1 && lazyModel.loadedCount < lazyModel.totalCount) {
|
||||
if (!wallpaperGrid._expansionInProgress) {
|
||||
wallpaperGrid._expansionInProgress = true;
|
||||
lazyModel.loadOneRow();
|
||||
Qt.callLater(function() {
|
||||
wallpaperGrid._expansionInProgress = false;
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
interactive: false
|
||||
|
||||
delegate: Item {
|
||||
required property var modelData
|
||||
|
||||
width: wallpaperGrid.cellWidth
|
||||
height: wallpaperGrid.cellHeight
|
||||
|
||||
readonly property bool isCurrent: modelData.path === Wallpapers.actualCurrent
|
||||
readonly property real itemMargin: Appearance.spacing.normal / 2
|
||||
readonly property real itemRadius: Appearance.rounding.normal
|
||||
|
||||
Component.onCompleted: {
|
||||
wallpaperGrid._delegateCount++;
|
||||
}
|
||||
|
||||
StateLayer {
|
||||
anchors.fill: parent
|
||||
anchors.leftMargin: itemMargin
|
||||
anchors.rightMargin: itemMargin
|
||||
anchors.topMargin: itemMargin
|
||||
anchors.bottomMargin: itemMargin
|
||||
radius: itemRadius
|
||||
|
||||
function onClicked(): void {
|
||||
Wallpapers.setWallpaper(modelData.path);
|
||||
}
|
||||
}
|
||||
|
||||
StyledClippingRect {
|
||||
id: image
|
||||
|
||||
anchors.fill: parent
|
||||
anchors.leftMargin: itemMargin
|
||||
anchors.rightMargin: itemMargin
|
||||
anchors.topMargin: itemMargin
|
||||
anchors.bottomMargin: itemMargin
|
||||
color: Colours.tPalette.m3surfaceContainer
|
||||
radius: itemRadius
|
||||
antialiasing: true
|
||||
layer.enabled: true
|
||||
layer.smooth: true
|
||||
|
||||
CachingImage {
|
||||
id: cachingImage
|
||||
|
||||
path: modelData.path
|
||||
anchors.fill: parent
|
||||
fillMode: Image.PreserveAspectCrop
|
||||
cache: true
|
||||
visible: opacity > 0
|
||||
antialiasing: true
|
||||
smooth: true
|
||||
|
||||
opacity: status === Image.Ready ? 1 : 0
|
||||
|
||||
Behavior on opacity {
|
||||
NumberAnimation {
|
||||
duration: 1000
|
||||
easing.type: Easing.OutQuad
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Fallback if CachingImage fails to load
|
||||
Image {
|
||||
id: fallbackImage
|
||||
|
||||
anchors.fill: parent
|
||||
source: fallbackTimer.triggered && cachingImage.status !== Image.Ready ? modelData.path : ""
|
||||
asynchronous: true
|
||||
fillMode: Image.PreserveAspectCrop
|
||||
cache: true
|
||||
visible: opacity > 0
|
||||
antialiasing: true
|
||||
smooth: true
|
||||
|
||||
opacity: status === Image.Ready && cachingImage.status !== Image.Ready ? 1 : 0
|
||||
|
||||
Behavior on opacity {
|
||||
NumberAnimation {
|
||||
duration: 1000
|
||||
easing.type: Easing.OutQuad
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Timer {
|
||||
id: fallbackTimer
|
||||
|
||||
property bool triggered: false
|
||||
interval: 800
|
||||
running: cachingImage.status === Image.Loading || cachingImage.status === Image.Null
|
||||
onTriggered: triggered = true
|
||||
}
|
||||
|
||||
// Gradient overlay for filename
|
||||
Rectangle {
|
||||
id: filenameOverlay
|
||||
|
||||
anchors.left: parent.left
|
||||
anchors.right: parent.right
|
||||
anchors.bottom: parent.bottom
|
||||
|
||||
implicitHeight: filenameText.implicitHeight + Appearance.padding.normal * 1.5
|
||||
radius: 0
|
||||
|
||||
gradient: Gradient {
|
||||
GradientStop {
|
||||
position: 0.0
|
||||
color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
|
||||
Colours.palette.m3surfaceContainer.g,
|
||||
Colours.palette.m3surfaceContainer.b, 0)
|
||||
}
|
||||
GradientStop {
|
||||
position: 0.3
|
||||
color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
|
||||
Colours.palette.m3surfaceContainer.g,
|
||||
Colours.palette.m3surfaceContainer.b, 0.7)
|
||||
}
|
||||
GradientStop {
|
||||
position: 0.6
|
||||
color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
|
||||
Colours.palette.m3surfaceContainer.g,
|
||||
Colours.palette.m3surfaceContainer.b, 0.9)
|
||||
}
|
||||
GradientStop {
|
||||
position: 1.0
|
||||
color: Qt.rgba(Colours.palette.m3surfaceContainer.r,
|
||||
Colours.palette.m3surfaceContainer.g,
|
||||
Colours.palette.m3surfaceContainer.b, 0.95)
|
||||
}
|
||||
}
|
||||
|
||||
opacity: 0
|
||||
|
||||
Behavior on opacity {
|
||||
NumberAnimation {
|
||||
duration: 1000
|
||||
easing.type: Easing.OutCubic
|
||||
}
|
||||
}
|
||||
|
||||
Component.onCompleted: {
|
||||
opacity = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Rectangle {
|
||||
anchors.fill: parent
|
||||
anchors.leftMargin: itemMargin
|
||||
anchors.rightMargin: itemMargin
|
||||
anchors.topMargin: itemMargin
|
||||
anchors.bottomMargin: itemMargin
|
||||
color: "transparent"
|
||||
radius: itemRadius + border.width
|
||||
border.width: isCurrent ? 2 : 0
|
||||
border.color: Colours.palette.m3primary
|
||||
antialiasing: true
|
||||
smooth: true
|
||||
|
||||
Behavior on border.width {
|
||||
NumberAnimation {
|
||||
duration: 150
|
||||
easing.type: Easing.OutQuad
|
||||
}
|
||||
}
|
||||
|
||||
MaterialIcon {
|
||||
anchors.right: parent.right
|
||||
anchors.top: parent.top
|
||||
anchors.margins: Appearance.padding.small
|
||||
|
||||
visible: isCurrent
|
||||
text: "check_circle"
|
||||
color: Colours.palette.m3primary
|
||||
font.pointSize: Appearance.font.size.large
|
||||
}
|
||||
}
|
||||
|
||||
StyledText {
|
||||
id: filenameText
|
||||
anchors.left: parent.left
|
||||
anchors.right: parent.right
|
||||
anchors.bottom: parent.bottom
|
||||
anchors.leftMargin: Appearance.padding.normal + Appearance.spacing.normal / 2
|
||||
anchors.rightMargin: Appearance.padding.normal + Appearance.spacing.normal / 2
|
||||
anchors.bottomMargin: Appearance.padding.normal
|
||||
|
||||
readonly property string fileName: {
|
||||
const path = modelData.relativePath || "";
|
||||
const parts = path.split("/");
|
||||
return parts.length > 0 ? parts[parts.length - 1] : path;
|
||||
}
|
||||
|
||||
text: fileName
|
||||
font.pointSize: Appearance.font.size.smaller
|
||||
font.weight: 500
|
||||
color: isCurrent ? Colours.palette.m3primary : Colours.palette.m3onSurface
|
||||
elide: Text.ElideMiddle
|
||||
maximumLineCount: 1
|
||||
horizontalAlignment: Text.AlignHCenter
|
||||
|
||||
opacity: 0
|
||||
|
||||
Behavior on opacity {
|
||||
NumberAnimation {
|
||||
duration: 1000
|
||||
easing.type: Easing.OutCubic
|
||||
}
|
||||
}
|
||||
|
||||
Component.onCompleted: {
|
||||
opacity = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Add table
Reference in a new issue