Merge pull request #644 from juliandescottes/alt-to-pick-color

select color using alt+click (fixes #623)
This commit is contained in:
Julian Descottes 2017-03-02 01:52:04 +01:00 committed by GitHub
commit 89199f2d6a
3 changed files with 66 additions and 25 deletions

View File

@ -163,6 +163,9 @@
if (event.button === Constants.MIDDLE_BUTTON) {
this.dragHandler.startDrag(event.clientX, event.clientY);
} else if (event.altKey && !this.currentToolBehavior.supportsAlt()) {
this.currentToolBehavior.hideHighlightedPixel(this.overlayFrame);
this.isPickingColor = true;
} else {
this.currentToolBehavior.hideHighlightedPixel(this.overlayFrame);
$.publish(Events.TOOL_PRESSED);
@ -210,6 +213,8 @@
if (this.isClicked) {
if (pskl.app.mouseStateService.isMiddleButtonPressed()) {
this.dragHandler.updateDrag(x, y);
} else if (this.isPickingColor) {
// Nothing to do on mousemove when picking a color with ALT+click.
} else {
$.publish(Events.MOUSE_EVENT, [event, this]);
this.currentToolBehavior.moveToolAt(
@ -294,12 +299,15 @@
* @private
*/
ns.DrawingController.prototype.onMouseup_ = function (event) {
var frame = this.piskelController.getCurrentFrame();
if (!this.isClicked) {
return;
}
var coords = this.getSpriteCoordinates(event.clientX, event.clientY);
if (event.changedTouches && event.changedTouches[0]) {
coords = this.getSpriteCoordinates(event.changedTouches[0].clientX, event.changedTouches[0].clientY);
}
if (this.isClicked) {
// A mouse button was clicked on the drawing canvas before this mouseup event,
// the user was probably drawing on the canvas.
// Note: The mousemove movement (and the mouseup) may end up outside
@ -307,14 +315,19 @@
this.isClicked = false;
if (pskl.app.mouseStateService.isMiddleButtonPressed()) {
if (this.dragHandler.isDragging()) {
var isMiddleButton = pskl.app.mouseStateService.isMiddleButtonPressed();
var isMiddleClick = isMiddleButton && !this.dragHandler.isDragging();
var isMiddleDrag = isMiddleButton && this.dragHandler.isDragging();
if (this.isPickingColor || isMiddleClick) {
// Picking color after ALT+click or middle mouse button click.
this.pickColorAt_(coords);
this.isPickingColor = false;
} else if (isMiddleDrag) {
// Stop the drag handler after a middle button drag action.
this.dragHandler.stopDrag();
} else if (frame.containsPixel(coords.x, coords.y)) {
var color = pskl.utils.intToColor(frame.getPixel(coords.x, coords.y));
$.publish(Events.SELECT_PRIMARY_COLOR, [color]);
}
} else {
// Regular tool click, release the current tool.
this.currentToolBehavior.releaseToolAt(
coords.x,
coords.y,
@ -322,11 +335,27 @@
this.overlayFrame,
event
);
$.publish(Events.TOOL_RELEASED);
}
$.publish(Events.MOUSE_EVENT, [event, this]);
};
/**
* Send a COLOR selection event for the color contained at the provided coordinates.
* No-op if the coordinate is outside of the drawing canvas.
* @param {Object} coords {x: Number, y: Number}
*/
ns.DrawingController.prototype.pickColorAt_ = function (coords) {
var frame = this.piskelController.getCurrentFrame();
if (!frame.containsPixel(coords.x, coords.y)) {
return;
}
var color = pskl.utils.intToColor(frame.getPixel(coords.x, coords.y));
var isRightButton = pskl.app.mouseStateService.isRightButtonPressed();
var evt = isRightButton ? Events.SELECT_SECONDARY_COLOR : Events.SELECT_PRIMARY_COLOR;
$.publish(evt, [color]);
};
/**

View File

@ -82,4 +82,12 @@
ns.BaseTool.prototype.releaseToolAt = function (col, row, frame, overlay, event) {};
/**
* Does the tool support the ALT modifier. To be overridden by subclasses.
*
* @return {Boolean} true if the tool supports ALT.
*/
ns.BaseTool.prototype.supportsAlt = function () {
return false;
};
})();

View File

@ -102,4 +102,8 @@
this.shiftFrame(replayData.colDiff, replayData.rowDiff, frame, frame.clone(), event);
}.bind(this));
};
ns.Move.prototype.supportsAlt = function() {
return true;
};
})();