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Allow panning when dragging a link (#185)

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This commit is contained in:
Chenlei Hu
2024-10-01 10:29:34 -04:00
committed by GitHub
parent dac886ae25
commit bb95a109e4
1 changed files with 12 additions and 1 deletions
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13
src/LGraphCanvas.ts
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@@ -57,6 +57,7 @@ export class LGraphCanvas {
};
public canvas: HTMLCanvasElement;
public pointer_is_down: boolean = false;
private _dragging_canvas: boolean = false;
get dragging_canvas(): boolean {
@@ -72,6 +73,10 @@ export class LGraphCanvas {
}
}
// Whether the canvas was previously being dragged prior to pressing space key.
// null if space key is not pressed.
private _previously_dragging_canvas: boolean | null = null;
// if set to true users cannot modify the graph
private _read_only: boolean = false;
get read_only(): boolean {
@@ -1545,7 +1550,7 @@ export class LGraphCanvas {
this.block_click = true;
this.last_mouseclick = 0;
}
processMouseDown(e) {
processMouseDown(e: MouseEvent) {
if (this.set_canvas_dirty_on_mouse_event)
this.dirty_canvas = true;
@@ -2836,6 +2841,10 @@ export class LGraphCanvas {
if (e.keyCode == 32) {
// space
this.read_only = true;
if (this._previously_dragging_canvas === null) {
this._previously_dragging_canvas = this.dragging_canvas;
}
this.dragging_canvas = this.pointer_is_down;
block_default = true;
}
@@ -2888,6 +2897,8 @@ export class LGraphCanvas {
if (e.keyCode == 32) {
// space
this.read_only = false;
this.dragging_canvas = this._previously_dragging_canvas ?? false;
this._previously_dragging_canvas = null;
}
if (this.selected_nodes) {