Files
Comfyui-LayerForge/js/CanvasInteractions.js
Dariusz L 4e1be7c1a3 Reset key states on window blur in CanvasInteractions
Adds a window blur event listener to reset key states and interaction modes when the window loses focus. This prevents stuck key states and finalizes any in-progress cloning drags, improving interaction reliability.
2025-07-23 17:05:19 +02:00

830 lines
38 KiB
JavaScript

import { createModuleLogger } from "./utils/LoggerUtils.js";
import { snapToGrid, getSnapAdjustment } from "./utils/CommonUtils.js";
const log = createModuleLogger('CanvasInteractions');
export class CanvasInteractions {
constructor(canvas) {
this.canvas = canvas;
this.interaction = {
mode: 'none',
panStart: { x: 0, y: 0 },
dragStart: { x: 0, y: 0 },
transformOrigin: {},
resizeHandle: null,
resizeAnchor: { x: 0, y: 0 },
canvasResizeStart: { x: 0, y: 0 },
isCtrlPressed: false,
isAltPressed: false,
hasClonedInDrag: false,
lastClickTime: 0,
transformingLayer: null,
keyMovementInProgress: false,
canvasResizeRect: null,
canvasMoveRect: null,
};
this.originalLayerPositions = new Map();
}
setupEventListeners() {
this.canvas.canvas.addEventListener('mousedown', this.handleMouseDown.bind(this));
this.canvas.canvas.addEventListener('mousemove', this.handleMouseMove.bind(this));
this.canvas.canvas.addEventListener('mouseup', this.handleMouseUp.bind(this));
this.canvas.canvas.addEventListener('mouseleave', this.handleMouseLeave.bind(this));
this.canvas.canvas.addEventListener('wheel', this.handleWheel.bind(this), { passive: false });
this.canvas.canvas.addEventListener('keydown', this.handleKeyDown.bind(this));
this.canvas.canvas.addEventListener('keyup', this.handleKeyUp.bind(this));
// Add a blur event listener to the window to reset key states
window.addEventListener('blur', this.handleBlur.bind(this));
document.addEventListener('paste', this.handlePasteEvent.bind(this));
this.canvas.canvas.addEventListener('mouseenter', (e) => {
this.canvas.isMouseOver = true;
this.handleMouseEnter(e);
});
this.canvas.canvas.addEventListener('mouseleave', (e) => {
this.canvas.isMouseOver = false;
this.handleMouseLeave(e);
});
this.canvas.canvas.addEventListener('dragover', this.handleDragOver.bind(this));
this.canvas.canvas.addEventListener('dragenter', this.handleDragEnter.bind(this));
this.canvas.canvas.addEventListener('dragleave', this.handleDragLeave.bind(this));
this.canvas.canvas.addEventListener('drop', this.handleDrop.bind(this));
this.canvas.canvas.addEventListener('contextmenu', this.handleContextMenu.bind(this));
}
resetInteractionState() {
this.interaction.mode = 'none';
this.interaction.resizeHandle = null;
this.originalLayerPositions.clear();
this.interaction.canvasResizeRect = null;
this.interaction.canvasMoveRect = null;
this.interaction.hasClonedInDrag = false;
this.interaction.transformingLayer = null;
this.canvas.canvas.style.cursor = 'default';
}
handleMouseDown(e) {
this.canvas.canvas.focus();
const worldCoords = this.canvas.getMouseWorldCoordinates(e);
const viewCoords = this.canvas.getMouseViewCoordinates(e);
if (this.interaction.mode === 'drawingMask') {
this.canvas.maskTool.handleMouseDown(worldCoords, viewCoords);
this.canvas.render();
return;
}
// --- Ostateczna, poprawna kolejność sprawdzania ---
// 1. Akcje globalne z modyfikatorami (mają najwyższy priorytet)
if (e.shiftKey && e.ctrlKey) {
this.startCanvasMove(worldCoords);
return;
}
if (e.shiftKey) {
this.startCanvasResize(worldCoords);
return;
}
// 2. Inne przyciski myszy
if (e.button === 2) { // Prawy przycisk myszy
const clickedLayerResult = this.canvas.canvasLayers.getLayerAtPosition(worldCoords.x, worldCoords.y);
if (clickedLayerResult && this.canvas.canvasSelection.selectedLayers.includes(clickedLayerResult.layer)) {
e.preventDefault();
this.canvas.canvasLayers.showBlendModeMenu(viewCoords.x, viewCoords.y);
}
return;
}
if (e.button !== 0) { // Środkowy przycisk
this.startPanning(e);
return;
}
// 3. Interakcje z elementami na płótnie (lewy przycisk)
const transformTarget = this.canvas.canvasLayers.getHandleAtPosition(worldCoords.x, worldCoords.y);
if (transformTarget) {
this.startLayerTransform(transformTarget.layer, transformTarget.handle, worldCoords);
return;
}
const clickedLayerResult = this.canvas.canvasLayers.getLayerAtPosition(worldCoords.x, worldCoords.y);
if (clickedLayerResult) {
this.prepareForDrag(clickedLayerResult.layer, worldCoords);
return;
}
// 4. Domyślna akcja na tle (lewy przycisk bez modyfikatorów)
this.startPanningOrClearSelection(e);
}
handleMouseMove(e) {
const worldCoords = this.canvas.getMouseWorldCoordinates(e);
const viewCoords = this.canvas.getMouseViewCoordinates(e);
this.canvas.lastMousePosition = worldCoords; // Zawsze aktualizuj ostatnią pozycję myszy
// Sprawdź, czy rozpocząć przeciąganie
if (this.interaction.mode === 'potential-drag') {
const dx = worldCoords.x - this.interaction.dragStart.x;
const dy = worldCoords.y - this.interaction.dragStart.y;
if (Math.sqrt(dx * dx + dy * dy) > 3) { // Próg 3 pikseli
this.interaction.mode = 'dragging';
this.originalLayerPositions.clear();
this.canvas.canvasSelection.selectedLayers.forEach((l) => {
this.originalLayerPositions.set(l, { x: l.x, y: l.y });
});
}
}
switch (this.interaction.mode) {
case 'drawingMask':
this.canvas.maskTool.handleMouseMove(worldCoords, viewCoords);
this.canvas.render();
break;
case 'panning':
this.panViewport(e);
break;
case 'dragging':
this.dragLayers(worldCoords);
break;
case 'resizing':
this.resizeLayerFromHandle(worldCoords, e.shiftKey);
break;
case 'rotating':
this.rotateLayerFromHandle(worldCoords, e.shiftKey);
break;
case 'resizingCanvas':
this.updateCanvasResize(worldCoords);
break;
case 'movingCanvas':
this.updateCanvasMove(worldCoords);
break;
default:
this.updateCursor(worldCoords);
break;
}
}
handleMouseUp(e) {
const viewCoords = this.canvas.getMouseViewCoordinates(e);
if (this.interaction.mode === 'drawingMask') {
this.canvas.maskTool.handleMouseUp(viewCoords);
this.canvas.render();
return;
}
if (this.interaction.mode === 'resizingCanvas') {
this.finalizeCanvasResize();
}
if (this.interaction.mode === 'movingCanvas') {
this.finalizeCanvasMove();
}
// Zapisz stan tylko, jeśli faktycznie doszło do zmiany (przeciąganie, transformacja, duplikacja)
const stateChangingInteraction = ['dragging', 'resizing', 'rotating'].includes(this.interaction.mode);
const duplicatedInDrag = this.interaction.hasClonedInDrag;
if (stateChangingInteraction || duplicatedInDrag) {
this.canvas.saveState();
this.canvas.canvasState.saveStateToDB();
}
this.resetInteractionState();
this.canvas.render();
}
handleMouseLeave(e) {
const viewCoords = this.canvas.getMouseViewCoordinates(e);
if (this.canvas.maskTool.isActive) {
this.canvas.maskTool.handleMouseLeave();
if (this.canvas.maskTool.isDrawing) {
this.canvas.maskTool.handleMouseUp(viewCoords);
}
this.canvas.render();
return;
}
if (this.interaction.mode !== 'none') {
this.resetInteractionState();
this.canvas.render();
}
if (this.canvas.canvasLayers.internalClipboard.length > 0) {
this.canvas.canvasLayers.internalClipboard = [];
log.info("Internal clipboard cleared - mouse left canvas");
}
}
handleMouseEnter(e) {
if (this.canvas.maskTool.isActive) {
this.canvas.maskTool.handleMouseEnter();
}
}
handleContextMenu(e) {
e.preventDefault();
}
handleWheel(e) {
e.preventDefault();
if (this.canvas.maskTool.isActive) {
const worldCoords = this.canvas.getMouseWorldCoordinates(e);
const rect = this.canvas.canvas.getBoundingClientRect();
const mouseBufferX = (e.clientX - rect.left) * (this.canvas.offscreenCanvas.width / rect.width);
const mouseBufferY = (e.clientY - rect.top) * (this.canvas.offscreenCanvas.height / rect.height);
const zoomFactor = e.deltaY < 0 ? 1.1 : 1 / 1.1;
const newZoom = this.canvas.viewport.zoom * zoomFactor;
this.canvas.viewport.zoom = Math.max(0.1, Math.min(10, newZoom));
this.canvas.viewport.x = worldCoords.x - (mouseBufferX / this.canvas.viewport.zoom);
this.canvas.viewport.y = worldCoords.y - (mouseBufferY / this.canvas.viewport.zoom);
}
else if (this.canvas.canvasSelection.selectedLayers.length > 0) {
const rotationStep = 5 * (e.deltaY > 0 ? -1 : 1);
const direction = e.deltaY < 0 ? 1 : -1; // 1 = up/right, -1 = down/left
this.canvas.canvasSelection.selectedLayers.forEach((layer) => {
if (e.shiftKey) {
// Nowy skrót: Shift + Ctrl + Kółko do przyciągania do absolutnych wartości
if (e.ctrlKey) {
const snapAngle = 5;
if (direction > 0) { // Obrót w górę/prawo
layer.rotation = Math.ceil((layer.rotation + 0.1) / snapAngle) * snapAngle;
}
else { // Obrót w dół/lewo
layer.rotation = Math.floor((layer.rotation - 0.1) / snapAngle) * snapAngle;
}
}
else {
// Stara funkcjonalność: Shift + Kółko obraca o stały krok
layer.rotation += rotationStep;
}
}
else {
const oldWidth = layer.width;
const oldHeight = layer.height;
let scaleFactor;
if (e.ctrlKey) {
const direction = e.deltaY > 0 ? -1 : 1;
const baseDimension = Math.max(layer.width, layer.height);
const newBaseDimension = baseDimension + direction;
if (newBaseDimension < 10) {
return;
}
scaleFactor = newBaseDimension / baseDimension;
}
else {
const gridSize = 64;
const direction = e.deltaY > 0 ? -1 : 1;
let targetHeight;
if (direction > 0) {
targetHeight = (Math.floor(oldHeight / gridSize) + 1) * gridSize;
}
else {
targetHeight = (Math.ceil(oldHeight / gridSize) - 1) * gridSize;
}
if (targetHeight < gridSize / 2) {
targetHeight = gridSize / 2;
}
if (Math.abs(oldHeight - targetHeight) < 1) {
if (direction > 0)
targetHeight += gridSize;
else
targetHeight -= gridSize;
if (targetHeight < gridSize / 2)
return;
}
scaleFactor = targetHeight / oldHeight;
}
if (scaleFactor && isFinite(scaleFactor)) {
layer.width *= scaleFactor;
layer.height *= scaleFactor;
layer.x += (oldWidth - layer.width) / 2;
layer.y += (oldHeight - layer.height) / 2;
}
}
});
}
else {
const worldCoords = this.canvas.getMouseWorldCoordinates(e);
const rect = this.canvas.canvas.getBoundingClientRect();
const mouseBufferX = (e.clientX - rect.left) * (this.canvas.offscreenCanvas.width / rect.width);
const mouseBufferY = (e.clientY - rect.top) * (this.canvas.offscreenCanvas.height / rect.height);
const zoomFactor = e.deltaY < 0 ? 1.1 : 1 / 1.1;
const newZoom = this.canvas.viewport.zoom * zoomFactor;
this.canvas.viewport.zoom = Math.max(0.1, Math.min(10, newZoom));
this.canvas.viewport.x = worldCoords.x - (mouseBufferX / this.canvas.viewport.zoom);
this.canvas.viewport.y = worldCoords.y - (mouseBufferY / this.canvas.viewport.zoom);
}
this.canvas.render();
if (!this.canvas.maskTool.isActive) {
this.canvas.requestSaveState(); // Użyj opóźnionego zapisu
}
}
handleKeyDown(e) {
if (e.key === 'Control')
this.interaction.isCtrlPressed = true;
if (e.key === 'Alt') {
this.interaction.isAltPressed = true;
e.preventDefault();
}
// Globalne skróty (Undo/Redo/Copy/Paste)
if (e.ctrlKey || e.metaKey) {
let handled = true;
switch (e.key.toLowerCase()) {
case 'z':
if (e.shiftKey) {
this.canvas.redo();
}
else {
this.canvas.undo();
}
break;
case 'y':
this.canvas.redo();
break;
case 'c':
if (this.canvas.canvasSelection.selectedLayers.length > 0) {
this.canvas.canvasLayers.copySelectedLayers();
}
break;
default:
handled = false;
break;
}
if (handled) {
e.preventDefault();
e.stopPropagation();
return;
}
}
// Skróty kontekstowe (zależne od zaznaczenia)
if (this.canvas.canvasSelection.selectedLayers.length > 0) {
const step = e.shiftKey ? 10 : 1;
let needsRender = false;
// Używamy e.code dla spójności i niezależności od układu klawiatury
const movementKeys = ['ArrowLeft', 'ArrowRight', 'ArrowUp', 'ArrowDown', 'BracketLeft', 'BracketRight'];
if (movementKeys.includes(e.code)) {
e.preventDefault();
e.stopPropagation();
this.interaction.keyMovementInProgress = true;
if (e.code === 'ArrowLeft')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.x -= step);
if (e.code === 'ArrowRight')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.x += step);
if (e.code === 'ArrowUp')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.y -= step);
if (e.code === 'ArrowDown')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.y += step);
if (e.code === 'BracketLeft')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.rotation -= step);
if (e.code === 'BracketRight')
this.canvas.canvasSelection.selectedLayers.forEach((l) => l.rotation += step);
needsRender = true;
}
if (e.key === 'Delete' || e.key === 'Backspace') {
e.preventDefault();
e.stopPropagation();
this.canvas.canvasSelection.removeSelectedLayers();
return;
}
if (needsRender) {
this.canvas.render();
}
}
}
handleKeyUp(e) {
if (e.key === 'Control')
this.interaction.isCtrlPressed = false;
if (e.key === 'Alt')
this.interaction.isAltPressed = false;
const movementKeys = ['ArrowLeft', 'ArrowRight', 'ArrowUp', 'ArrowDown', 'BracketLeft', 'BracketRight'];
if (movementKeys.includes(e.code) && this.interaction.keyMovementInProgress) {
this.canvas.requestSaveState(); // Użyj opóźnionego zapisu
this.interaction.keyMovementInProgress = false;
}
}
handleBlur() {
log.debug('Window lost focus, resetting key states.');
this.interaction.isCtrlPressed = false;
this.interaction.isAltPressed = false;
this.interaction.keyMovementInProgress = false;
// Also reset any interaction that relies on a key being held down
if (this.interaction.mode === 'dragging' && this.interaction.hasClonedInDrag) {
// If we were in the middle of a cloning drag, finalize it
this.canvas.saveState();
this.canvas.canvasState.saveStateToDB();
}
// Reset interaction mode if it's something that can get "stuck"
if (this.interaction.mode !== 'none' && this.interaction.mode !== 'drawingMask') {
this.resetInteractionState();
this.canvas.render();
}
}
updateCursor(worldCoords) {
const transformTarget = this.canvas.canvasLayers.getHandleAtPosition(worldCoords.x, worldCoords.y);
if (transformTarget) {
const handleName = transformTarget.handle;
const cursorMap = {
'n': 'ns-resize', 's': 'ns-resize', 'e': 'ew-resize', 'w': 'ew-resize',
'nw': 'nwse-resize', 'se': 'nwse-resize', 'ne': 'nesw-resize', 'sw': 'nesw-resize',
'rot': 'grab'
};
this.canvas.canvas.style.cursor = cursorMap[handleName];
}
else if (this.canvas.canvasLayers.getLayerAtPosition(worldCoords.x, worldCoords.y)) {
this.canvas.canvas.style.cursor = 'move';
}
else {
this.canvas.canvas.style.cursor = 'default';
}
}
startLayerTransform(layer, handle, worldCoords) {
this.interaction.transformingLayer = layer;
this.interaction.transformOrigin = {
x: layer.x, y: layer.y,
width: layer.width, height: layer.height,
rotation: layer.rotation,
centerX: layer.x + layer.width / 2,
centerY: layer.y + layer.height / 2
};
this.interaction.dragStart = { ...worldCoords };
if (handle === 'rot') {
this.interaction.mode = 'rotating';
}
else {
this.interaction.mode = 'resizing';
this.interaction.resizeHandle = handle;
const handles = this.canvas.canvasLayers.getHandles(layer);
const oppositeHandleKey = {
'n': 's', 's': 'n', 'e': 'w', 'w': 'e',
'nw': 'se', 'se': 'nw', 'ne': 'sw', 'sw': 'ne'
};
this.interaction.resizeAnchor = handles[oppositeHandleKey[handle]];
}
this.canvas.render();
}
prepareForDrag(layer, worldCoords) {
// Zaktualizuj zaznaczenie, ale nie zapisuj stanu
if (this.interaction.isCtrlPressed) {
const index = this.canvas.canvasSelection.selectedLayers.indexOf(layer);
if (index === -1) {
this.canvas.canvasSelection.updateSelection([...this.canvas.canvasSelection.selectedLayers, layer]);
}
else {
const newSelection = this.canvas.canvasSelection.selectedLayers.filter((l) => l !== layer);
this.canvas.canvasSelection.updateSelection(newSelection);
}
}
else {
if (!this.canvas.canvasSelection.selectedLayers.includes(layer)) {
this.canvas.canvasSelection.updateSelection([layer]);
}
}
this.interaction.mode = 'potential-drag';
this.interaction.dragStart = { ...worldCoords };
}
startPanningOrClearSelection(e) {
// Ta funkcja jest teraz wywoływana tylko gdy kliknięto na tło bez modyfikatorów.
// Domyślna akcja: wyczyść zaznaczenie i rozpocznij panoramowanie.
if (!this.interaction.isCtrlPressed) {
this.canvas.canvasSelection.updateSelection([]);
}
this.interaction.mode = 'panning';
this.interaction.panStart = { x: e.clientX, y: e.clientY };
}
startCanvasResize(worldCoords) {
this.interaction.mode = 'resizingCanvas';
const startX = snapToGrid(worldCoords.x);
const startY = snapToGrid(worldCoords.y);
this.interaction.canvasResizeStart = { x: startX, y: startY };
this.interaction.canvasResizeRect = { x: startX, y: startY, width: 0, height: 0 };
this.canvas.render();
}
startCanvasMove(worldCoords) {
this.interaction.mode = 'movingCanvas';
this.interaction.dragStart = { ...worldCoords };
const initialX = snapToGrid(worldCoords.x - this.canvas.width / 2);
const initialY = snapToGrid(worldCoords.y - this.canvas.height / 2);
this.interaction.canvasMoveRect = {
x: initialX,
y: initialY,
width: this.canvas.width,
height: this.canvas.height
};
this.canvas.canvas.style.cursor = 'grabbing';
this.canvas.render();
}
updateCanvasMove(worldCoords) {
if (!this.interaction.canvasMoveRect)
return;
const dx = worldCoords.x - this.interaction.dragStart.x;
const dy = worldCoords.y - this.interaction.dragStart.y;
const initialRectX = snapToGrid(this.interaction.dragStart.x - this.canvas.width / 2);
const initialRectY = snapToGrid(this.interaction.dragStart.y - this.canvas.height / 2);
this.interaction.canvasMoveRect.x = snapToGrid(initialRectX + dx);
this.interaction.canvasMoveRect.y = snapToGrid(initialRectY + dy);
this.canvas.render();
}
finalizeCanvasMove() {
const moveRect = this.interaction.canvasMoveRect;
if (moveRect && (moveRect.x !== 0 || moveRect.y !== 0)) {
const finalX = moveRect.x;
const finalY = moveRect.y;
this.canvas.layers.forEach((layer) => {
layer.x -= finalX;
layer.y -= finalY;
});
this.canvas.maskTool.updatePosition(-finalX, -finalY);
// If a batch generation is in progress, update the captured context as well
if (this.canvas.pendingBatchContext) {
this.canvas.pendingBatchContext.outputArea.x -= finalX;
this.canvas.pendingBatchContext.outputArea.y -= finalY;
// Also update the menu spawn position to keep it relative
this.canvas.pendingBatchContext.spawnPosition.x -= finalX;
this.canvas.pendingBatchContext.spawnPosition.y -= finalY;
log.debug("Updated pending batch context during canvas move:", this.canvas.pendingBatchContext);
}
// Also move any active batch preview menus
if (this.canvas.batchPreviewManagers && this.canvas.batchPreviewManagers.length > 0) {
this.canvas.batchPreviewManagers.forEach((manager) => {
manager.worldX -= finalX;
manager.worldY -= finalY;
if (manager.generationArea) {
manager.generationArea.x -= finalX;
manager.generationArea.y -= finalY;
}
});
}
this.canvas.viewport.x -= finalX;
this.canvas.viewport.y -= finalY;
}
this.canvas.render();
this.canvas.saveState();
}
startPanning(e) {
if (!this.interaction.isCtrlPressed) {
this.canvas.canvasSelection.updateSelection([]);
}
this.interaction.mode = 'panning';
this.interaction.panStart = { x: e.clientX, y: e.clientY };
}
panViewport(e) {
const dx = e.clientX - this.interaction.panStart.x;
const dy = e.clientY - this.interaction.panStart.y;
this.canvas.viewport.x -= dx / this.canvas.viewport.zoom;
this.canvas.viewport.y -= dy / this.canvas.viewport.zoom;
this.interaction.panStart = { x: e.clientX, y: e.clientY };
this.canvas.render();
}
dragLayers(worldCoords) {
if (this.interaction.isAltPressed && !this.interaction.hasClonedInDrag && this.canvas.canvasSelection.selectedLayers.length > 0) {
// Scentralizowana logika duplikowania
const newLayers = this.canvas.canvasSelection.duplicateSelectedLayers();
// Zresetuj pozycje przeciągania dla nowych, zduplikowanych warstw
this.originalLayerPositions.clear();
newLayers.forEach((l) => {
this.originalLayerPositions.set(l, { x: l.x, y: l.y });
});
this.interaction.hasClonedInDrag = true;
}
const totalDx = worldCoords.x - this.interaction.dragStart.x;
const totalDy = worldCoords.y - this.interaction.dragStart.y;
let finalDx = totalDx, finalDy = totalDy;
if (this.interaction.isCtrlPressed && this.canvas.canvasSelection.selectedLayers.length > 0) {
const firstLayer = this.canvas.canvasSelection.selectedLayers[0];
const originalPos = this.originalLayerPositions.get(firstLayer);
if (originalPos) {
const tempLayerForSnap = {
...firstLayer,
x: originalPos.x + totalDx,
y: originalPos.y + totalDy
};
const snapAdjustment = getSnapAdjustment(tempLayerForSnap);
if (snapAdjustment) {
finalDx += snapAdjustment.x;
finalDy += snapAdjustment.y;
}
}
}
this.canvas.canvasSelection.selectedLayers.forEach((layer) => {
const originalPos = this.originalLayerPositions.get(layer);
if (originalPos) {
layer.x = originalPos.x + finalDx;
layer.y = originalPos.y + finalDy;
}
});
this.canvas.render();
}
resizeLayerFromHandle(worldCoords, isShiftPressed) {
const layer = this.interaction.transformingLayer;
if (!layer)
return;
let mouseX = worldCoords.x;
let mouseY = worldCoords.y;
if (this.interaction.isCtrlPressed) {
const snapThreshold = 10 / this.canvas.viewport.zoom;
const snappedMouseX = snapToGrid(mouseX);
if (Math.abs(mouseX - snappedMouseX) < snapThreshold)
mouseX = snappedMouseX;
const snappedMouseY = snapToGrid(mouseY);
if (Math.abs(mouseY - snappedMouseY) < snapThreshold)
mouseY = snappedMouseY;
}
const o = this.interaction.transformOrigin;
if (o.rotation === undefined || o.width === undefined || o.height === undefined || o.centerX === undefined || o.centerY === undefined)
return;
const handle = this.interaction.resizeHandle;
const anchor = this.interaction.resizeAnchor;
const rad = o.rotation * Math.PI / 180;
const cos = Math.cos(rad);
const sin = Math.sin(rad);
const vecX = mouseX - anchor.x;
const vecY = mouseY - anchor.y;
let newWidth = vecX * cos + vecY * sin;
let newHeight = vecY * cos - vecX * sin;
if (isShiftPressed) {
const originalAspectRatio = o.width / o.height;
if (Math.abs(newWidth) > Math.abs(newHeight) * originalAspectRatio) {
newHeight = (Math.sign(newHeight) || 1) * Math.abs(newWidth) / originalAspectRatio;
}
else {
newWidth = (Math.sign(newWidth) || 1) * Math.abs(newHeight) * originalAspectRatio;
}
}
let signX = handle?.includes('e') ? 1 : (handle?.includes('w') ? -1 : 0);
let signY = handle?.includes('s') ? 1 : (handle?.includes('n') ? -1 : 0);
newWidth *= signX;
newHeight *= signY;
if (signX === 0)
newWidth = o.width;
if (signY === 0)
newHeight = o.height;
if (newWidth < 10)
newWidth = 10;
if (newHeight < 10)
newHeight = 10;
layer.width = newWidth;
layer.height = newHeight;
const deltaW = newWidth - o.width;
const deltaH = newHeight - o.height;
const shiftX = (deltaW / 2) * signX;
const shiftY = (deltaH / 2) * signY;
const worldShiftX = shiftX * cos - shiftY * sin;
const worldShiftY = shiftX * sin + shiftY * cos;
const newCenterX = o.centerX + worldShiftX;
const newCenterY = o.centerY + worldShiftY;
layer.x = newCenterX - layer.width / 2;
layer.y = newCenterY - layer.height / 2;
this.canvas.render();
}
rotateLayerFromHandle(worldCoords, isShiftPressed) {
const layer = this.interaction.transformingLayer;
if (!layer)
return;
const o = this.interaction.transformOrigin;
if (o.rotation === undefined || o.centerX === undefined || o.centerY === undefined)
return;
const startAngle = Math.atan2(this.interaction.dragStart.y - o.centerY, this.interaction.dragStart.x - o.centerX);
const currentAngle = Math.atan2(worldCoords.y - o.centerY, worldCoords.x - o.centerX);
let angleDiff = (currentAngle - startAngle) * 180 / Math.PI;
let newRotation = o.rotation + angleDiff;
if (isShiftPressed) {
newRotation = Math.round(newRotation / 15) * 15;
}
layer.rotation = newRotation;
this.canvas.render();
}
updateCanvasResize(worldCoords) {
if (!this.interaction.canvasResizeRect)
return;
const snappedMouseX = snapToGrid(worldCoords.x);
const snappedMouseY = snapToGrid(worldCoords.y);
const start = this.interaction.canvasResizeStart;
this.interaction.canvasResizeRect.x = Math.min(snappedMouseX, start.x);
this.interaction.canvasResizeRect.y = Math.min(snappedMouseY, start.y);
this.interaction.canvasResizeRect.width = Math.abs(snappedMouseX - start.x);
this.interaction.canvasResizeRect.height = Math.abs(snappedMouseY - start.y);
this.canvas.render();
}
finalizeCanvasResize() {
if (this.interaction.canvasResizeRect && this.interaction.canvasResizeRect.width > 1 && this.interaction.canvasResizeRect.height > 1) {
const newWidth = Math.round(this.interaction.canvasResizeRect.width);
const newHeight = Math.round(this.interaction.canvasResizeRect.height);
const finalX = this.interaction.canvasResizeRect.x;
const finalY = this.interaction.canvasResizeRect.y;
this.canvas.updateOutputAreaSize(newWidth, newHeight);
this.canvas.layers.forEach((layer) => {
layer.x -= finalX;
layer.y -= finalY;
});
this.canvas.maskTool.updatePosition(-finalX, -finalY);
// If a batch generation is in progress, update the captured context as well
if (this.canvas.pendingBatchContext) {
this.canvas.pendingBatchContext.outputArea.x -= finalX;
this.canvas.pendingBatchContext.outputArea.y -= finalY;
// Also update the menu spawn position to keep it relative
this.canvas.pendingBatchContext.spawnPosition.x -= finalX;
this.canvas.pendingBatchContext.spawnPosition.y -= finalY;
log.debug("Updated pending batch context during canvas resize:", this.canvas.pendingBatchContext);
}
// Also move any active batch preview menus
if (this.canvas.batchPreviewManagers && this.canvas.batchPreviewManagers.length > 0) {
this.canvas.batchPreviewManagers.forEach((manager) => {
manager.worldX -= finalX;
manager.worldY -= finalY;
if (manager.generationArea) {
manager.generationArea.x -= finalX;
manager.generationArea.y -= finalY;
}
});
}
this.canvas.viewport.x -= finalX;
this.canvas.viewport.y -= finalY;
}
}
handleDragOver(e) {
e.preventDefault();
e.stopPropagation(); // Prevent ComfyUI from handling this event
if (e.dataTransfer)
e.dataTransfer.dropEffect = 'copy';
}
handleDragEnter(e) {
e.preventDefault();
e.stopPropagation(); // Prevent ComfyUI from handling this event
this.canvas.canvas.style.backgroundColor = 'rgba(45, 90, 160, 0.1)';
this.canvas.canvas.style.border = '2px dashed #2d5aa0';
}
handleDragLeave(e) {
e.preventDefault();
e.stopPropagation(); // Prevent ComfyUI from handling this event
if (!this.canvas.canvas.contains(e.relatedTarget)) {
this.canvas.canvas.style.backgroundColor = '';
this.canvas.canvas.style.border = '';
}
}
async handleDrop(e) {
e.preventDefault();
e.stopPropagation(); // CRITICAL: Prevent ComfyUI from handling this event and loading workflow
log.info("Canvas drag & drop event intercepted - preventing ComfyUI workflow loading");
this.canvas.canvas.style.backgroundColor = '';
this.canvas.canvas.style.border = '';
if (!e.dataTransfer)
return;
const files = Array.from(e.dataTransfer.files);
const worldCoords = this.canvas.getMouseWorldCoordinates(e);
log.info(`Dropped ${files.length} file(s) onto canvas at position (${worldCoords.x}, ${worldCoords.y})`);
for (const file of files) {
if (file.type.startsWith('image/')) {
try {
await this.loadDroppedImageFile(file, worldCoords);
log.info(`Successfully loaded dropped image: ${file.name}`);
}
catch (error) {
log.error(`Failed to load dropped image ${file.name}:`, error);
}
}
else {
log.warn(`Skipped non-image file: ${file.name} (${file.type})`);
}
}
}
async loadDroppedImageFile(file, worldCoords) {
const reader = new FileReader();
reader.onload = async (e) => {
const img = new Image();
img.onload = async () => {
const fitOnAddWidget = this.canvas.node.widgets.find((w) => w.name === "fit_on_add");
const addMode = fitOnAddWidget && fitOnAddWidget.value ? 'fit' : 'center';
await this.canvas.canvasLayers.addLayerWithImage(img, {}, addMode);
};
img.onerror = () => {
log.error(`Failed to load dropped image: ${file.name}`);
};
if (e.target?.result) {
img.src = e.target.result;
}
};
reader.onerror = () => {
log.error(`Failed to read dropped file: ${file.name}`);
};
reader.readAsDataURL(file);
}
async handlePasteEvent(e) {
const shouldHandle = this.canvas.isMouseOver ||
this.canvas.canvas.contains(document.activeElement) ||
document.activeElement === this.canvas.canvas ||
document.activeElement === document.body;
if (!shouldHandle) {
log.debug("Paste event ignored - not focused on canvas");
return;
}
log.info("Paste event detected, checking clipboard preference");
const preference = this.canvas.canvasLayers.clipboardPreference;
if (preference === 'clipspace') {
log.info("Clipboard preference is clipspace, delegating to ClipboardManager");
e.preventDefault();
e.stopPropagation();
await this.canvas.canvasLayers.clipboardManager.handlePaste('mouse', preference);
return;
}
const clipboardData = e.clipboardData;
if (clipboardData && clipboardData.items) {
for (const item of clipboardData.items) {
if (item.type.startsWith('image/')) {
e.preventDefault();
e.stopPropagation();
const file = item.getAsFile();
if (file) {
log.info("Found direct image data in paste event");
const reader = new FileReader();
reader.onload = async (event) => {
const img = new Image();
img.onload = async () => {
await this.canvas.canvasLayers.addLayerWithImage(img, {}, 'mouse');
};
if (event.target?.result) {
img.src = event.target.result;
}
};
reader.readAsDataURL(file);
return;
}
}
}
}
await this.canvas.canvasLayers.clipboardManager.handlePaste('mouse', preference);
}
}