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Fix Viewport::get_mouse_position for SubViewports

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SubViewports don't have a cached mouse position available.
This PR calculates the mouse position from the screen position of
the mouse cursor.
This commit is contained in:
Markus Sauermann 2023-01-20 22:33:05 +01:00
parent 3f02cf7ced
commit 5312d83f3b
4 changed files with 21 additions and 9 deletions
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17
scene/main/viewport.cpp
View File

@ -1172,11 +1172,16 @@ Ref<InputEvent> Viewport::_make_input_local(const Ref<InputEvent> &ev) {
}
Vector2 Viewport::get_mouse_position() const {
return gui.last_mouse_pos;
if (DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_MOUSE)) {
return get_screen_transform_internal(true).affine_inverse().xform(DisplayServer::get_singleton()->mouse_get_position());
} else {
// Fallback to Input for getting mouse position in case of emulated mouse.
return get_screen_transform_internal().affine_inverse().xform(Input::get_singleton()->get_mouse_position());
}
}
void Viewport::warp_mouse(const Vector2 &p_position) {
Transform2D xform = get_screen_transform();
Transform2D xform = get_screen_transform_internal();
Vector2 gpos = xform.xform(p_position);
Input::get_singleton()->warp_mouse(gpos);
}
@ -3288,6 +3293,10 @@ Viewport::SDFScale Viewport::get_sdf_scale() const {
}
Transform2D Viewport::get_screen_transform() const {
return get_screen_transform_internal();
}
Transform2D Viewport::get_screen_transform_internal(bool p_absolute_position) const {
return get_final_transform();
}
@ -4226,14 +4235,14 @@ DisplayServer::WindowID SubViewport::get_window_id() const {
return DisplayServer::INVALID_WINDOW_ID;
}
Transform2D SubViewport::get_screen_transform() const {
Transform2D SubViewport::get_screen_transform_internal(bool p_absolute_position) const {
Transform2D container_transform;
SubViewportContainer *c = Object::cast_to<SubViewportContainer>(get_parent());
if (c) {
if (c->is_stretch_enabled()) {
container_transform.scale(Vector2(c->get_stretch_shrink(), c->get_stretch_shrink()));
}
container_transform = c->get_viewport()->get_screen_transform() * c->get_global_transform_with_canvas() * container_transform;
container_transform = c->get_viewport()->get_screen_transform_internal(p_absolute_position) * c->get_global_transform_with_canvas() * container_transform;
} else {
WARN_PRINT_ONCE("SubViewport is not a child of a SubViewportContainer. get_screen_transform doesn't return the actual screen position.");
}

5
scene/main/viewport.h
View File

@ -651,7 +651,8 @@ public:
virtual bool is_size_2d_override_stretch_enabled() const { return true; }
virtual Transform2D get_screen_transform() const;
Transform2D get_screen_transform() const;
virtual Transform2D get_screen_transform_internal(bool p_absolute_position = false) const;
virtual Transform2D get_popup_base_transform() const { return Transform2D(); }
#ifndef _3D_DISABLED
@ -780,7 +781,7 @@ public:
void set_clear_mode(ClearMode p_mode);
ClearMode get_clear_mode() const;
virtual Transform2D get_screen_transform() const override;
virtual Transform2D get_screen_transform_internal(bool p_absolute_position = false) const override;
virtual Transform2D get_popup_base_transform() const override;
SubViewport();

6
scene/main/window.cpp
View File

@ -2120,11 +2120,13 @@ Transform2D Window::get_final_transform() const {
return window_transform * stretch_transform * global_canvas_transform;
}
Transform2D Window::get_screen_transform() const {
Transform2D Window::get_screen_transform_internal(bool p_absolute_position) const {
Transform2D embedder_transform;
if (_get_embedder()) {
embedder_transform.translate_local(get_position());
embedder_transform = _get_embedder()->get_screen_transform() * embedder_transform;
embedder_transform = _get_embedder()->get_screen_transform_internal(p_absolute_position) * embedder_transform;
} else if (p_absolute_position) {
embedder_transform.translate_local(get_position());
}
return embedder_transform * get_final_transform();
}

2
scene/main/window.h
View File

@ -377,7 +377,7 @@ public:
//
virtual Transform2D get_final_transform() const override;
virtual Transform2D get_screen_transform() const override;
virtual Transform2D get_screen_transform_internal(bool p_absolute_position = false) const override;
virtual Transform2D get_popup_base_transform() const override;
Rect2i get_parent_rect() const;