A request for showing a tooltip to the user. 更多...
import 语句: | import QtWebEngine |
Since: | QtWebEngine 1.10 |
A TooltipRequest is a request object that is passed as a parameter of the
WebEngineView::tooltipRequested
signal. Use the
onTooltipRequested
signal handler to handle requests for custom tooltip menus at specific positions.
The accepted property of the request indicates whether the request is handled by the user code or the default tooltip should be displayed.
The following code uses a custom tooltip to handle the request:
WebEngineView { // ... onTooltipRequested: function(request) { if (request.type == TooltipRequest.Show) { tooltip.visible = true; tooltip.x = request.x; tooltip.y = request.y; tooltip.text = request.text; } else { tooltip.visible = false; } request.accepted = true; } // ... }
accepted : bool |
Indicates whether the tooltip request has been accepted by the signal handler.
If the property is
false
after any signal handlers for
WebEngineView::tooltipRequested
have been executed, a default tooltip will be shown. To prevent this, set
request.accepted
to
true
.
默认为
false
.
[read-only] text : bool |
The text of the tooltip. It contains an empty string when the tooltip should be hidden.
[read-only] type : enumeration |
The type of the tooltip request.
常量 | 描述 |
---|---|
TooltipRequest.Show
|
The tooltip should be shown. |
TooltipRequest.Hide
|
The tooltip should be hidden. |
[read-only] x : int |
The x coordinate of the top-left corner of the requested tooltip.
[read-only] y : int |
The y coordinate of the top-left corner of the requested tooltip.