Revert "appDisplay: Reimplement drag motion using page indicators"
This reverts commit 09b975fabf
.
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2581>
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@ -543,7 +543,7 @@ var BaseAppView = GObject.registerClass({
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style_class: 'page-navigation-hint next',
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opacity: 0,
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visible: false,
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reactive: true,
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reactive: false,
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x_expand: true,
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y_expand: true,
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x_align: Clutter.ActorAlign.FILL,
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@ -554,7 +554,7 @@ var BaseAppView = GObject.registerClass({
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style_class: 'page-navigation-hint previous',
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opacity: 0,
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visible: false,
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reactive: true,
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reactive: false,
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x_expand: true,
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y_expand: true,
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x_align: Clutter.ActorAlign.FILL,
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@ -638,6 +638,7 @@ var BaseAppView = GObject.registerClass({
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() => this._redisplay(), this);
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// Drag n' Drop
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this._lastOvershoot = -1;
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this._lastOvershootTimeoutId = 0;
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this._delayedMoveData = null;
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@ -842,37 +843,54 @@ var BaseAppView = GObject.registerClass({
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if (this._lastOvershootTimeoutId)
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GLib.source_remove(this._lastOvershootTimeoutId);
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this._lastOvershootTimeoutId = 0;
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this._lastOvershoot = -1;
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}
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_handleDragOvershoot(dragEvent) {
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const [gridX, gridY] = this.get_transformed_position();
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const [gridWidth, gridHeight] = this.get_transformed_size();
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const vertical = this._orientation === Clutter.Orientation.VERTICAL;
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const gridStart = vertical ? gridY : gridX;
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const gridEnd = vertical
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? gridY + gridHeight - OVERSHOOT_THRESHOLD
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: gridX + gridWidth - OVERSHOOT_THRESHOLD;
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// Already animating
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if (this._adjustment.get_transition('value') !== null)
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return;
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const {targetActor} = dragEvent;
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if (targetActor !== this._prevPageIndicator &&
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targetActor !== this._nextPageIndicator) {
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// Within the grid boundaries
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const dragPosition = vertical ? dragEvent.y : dragEvent.x;
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if (dragPosition > gridStart && dragPosition < gridEnd) {
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// Check whether we moved out the area of the last switch
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if (Math.abs(this._lastOvershoot - dragPosition) > OVERSHOOT_THRESHOLD)
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this._resetOvershoot();
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return;
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}
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if (this._lastOvershootTimeoutId > 0)
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// Still in the area of the previous page switch
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if (this._lastOvershoot >= 0)
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return;
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let targetPage;
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if (dragEvent.targetActor === this._prevPageIndicator)
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targetPage = this._grid.currentPage - 1;
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const rtl = this.get_text_direction() === Clutter.TextDirection.RTL;
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if (dragPosition <= gridStart)
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this.goToPage(this._grid.currentPage + (rtl ? 1 : -1));
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else if (dragPosition >= gridEnd)
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this.goToPage(this._grid.currentPage + (rtl ? -1 : 1));
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else
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targetPage = this._grid.currentPage + 1;
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if (targetPage < 0 || targetPage >= this._grid.nPages)
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return; // don't go beyond first/last page
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this._lastOvershoot = dragPosition;
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if (this._lastOvershootTimeoutId > 0)
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GLib.source_remove(this._lastOvershootTimeoutId);
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this._lastOvershootTimeoutId =
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GLib.timeout_add(GLib.PRIORITY_DEFAULT, OVERSHOOT_TIMEOUT, () => {
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this._resetOvershoot();
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this.goToPage(targetPage);
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this._handleDragOvershoot(dragEvent);
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return GLib.SOURCE_REMOVE;
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});
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GLib.Source.set_name_by_id(this._lastOvershootTimeoutId,
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