[gnome-shell/gbsneto/icon-grid-dnd: 33/35] allView, folderView: Always operate on grid coordinates
- From: Georges Basile Stavracas Neto <gbsneto src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-shell/gbsneto/icon-grid-dnd: 33/35] allView, folderView: Always operate on grid coordinates
- Date: Thu, 4 Jul 2019 19:59:42 +0000 (UTC)
commit 0a962b951a6ddd390f078ab3dc4cdeddeea94578
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date: Thu Jul 4 14:54:20 2019 -0300
allView, folderView: Always operate on grid coordinates
Passing the actor coordinates is problematic because they do not
match the grid coordinates at all.
Transform coordinates passed by the DND handlers to the grid
coordinates.
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/603
js/ui/appDisplay.js | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index 1b44131b3..e86198823 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -257,6 +257,21 @@ class BaseAppView {
Tweener.addTween(this._grid, params);
}
+ _transformToGridCoordinates(x, y) {
+ let point = new Clutter.Vertex();
+ point.x = x;
+ point.y = y;
+ point.z = 0.0;
+
+ point = this.actor.apply_transform_to_point(point);
+
+ let [ok, gridX, gridY] = this._grid.transform_stage_point(point.x, point.y);
+ if (!ok)
+ return [-1, -1];
+
+ return [gridX, gridY];
+ }
+
canDropAt(x, y) {
return this._grid.canDropAt(x, y);
}
@@ -799,6 +814,8 @@ var AllView = class AllView extends BaseAppView {
}
handleDragOver(source, actor, x, y, time) {
+ [x, y] = this._transformToGridCoordinates(x, y);
+
let sourceIndex = -1;
if (source.parentView == this)
sourceIndex = this._allItems.indexOf(source);
@@ -820,6 +837,8 @@ var AllView = class AllView extends BaseAppView {
}
acceptDrop(source, actor, x, y, time) {
+ [x, y] = this._transformToGridCoordinates(x, y);
+
let [index, dragLocation] = this.canDropAt(x, y);
if (index == -1)
@@ -1281,6 +1300,8 @@ var FolderView = class FolderView extends BaseAppView {
}
handleDragOver(source, actor, x, y, time) {
+ [x, y] = this._transformToGridCoordinates(x, y);
+
let [index, dragLocation] = this.canDropAt(x, y);
let sourceIndex = this._allItems.indexOf(source);
@@ -1293,6 +1314,8 @@ var FolderView = class FolderView extends BaseAppView {
}
acceptDrop(source, actor, x, y, time) {
+ [x, y] = this._transformToGridCoordinates(x, y);
+
let [index, dragLocation] = this.canDropAt(x, y);
let success = index != -1;
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