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Add scrollwheel input to spin slider

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Adds the ability to adjust the editor's spin slider using the mouse scrollwheel.
This commit is contained in:
Emmanuel Barroga 2019-08-13 03:11:24 -07:00
parent 4403744ef9
commit e89c4c22de
2 changed files with 28 additions and 2 deletions
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29
editor/editor_spin_slider.cpp
View file

@ -132,20 +132,39 @@ void EditorSpinSlider::_gui_input(const Ref<InputEvent> &p_event) {
void EditorSpinSlider::_grabber_gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> mb = p_event;
if (grabbing_grabber) {
if (mb.is_valid()) {
if (mb->get_button_index() == BUTTON_WHEEL_UP) {
set_value(get_value() + get_step());
mousewheel_over_grabber = true;
} else if (mb->get_button_index() == BUTTON_WHEEL_DOWN) {
set_value(get_value() - get_step());
mousewheel_over_grabber = true;
}
}
}
if (mb.is_valid() && mb->get_button_index() == BUTTON_LEFT) {
if (mb->is_pressed()) {
grabbing_grabber = true;
grabbing_ratio = get_as_ratio();
grabbing_from = grabber->get_transform().xform(mb->get_position()).x;
if (!mousewheel_over_grabber) {
grabbing_ratio = get_as_ratio();
grabbing_from = grabber->get_transform().xform(mb->get_position()).x;
}
} else {
grabbing_grabber = false;
mousewheel_over_grabber = false;
}
}
Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid() && grabbing_grabber) {
if (mousewheel_over_grabber)
return;
float grabbing_ofs = (grabber->get_transform().xform(mm->get_position()).x - grabbing_from) / float(grabber_range);
set_as_ratio(grabbing_ratio + grabbing_ofs);
@ -261,6 +280,11 @@ void EditorSpinSlider::_notification(int p_what) {
grabber->set_size(Size2(0, 0));
grabber->set_position(get_global_position() + grabber_rect.position + grabber_rect.size * 0.5 - grabber->get_size() * 0.5);
if (mousewheel_over_grabber) {
Input::get_singleton()->warp_mouse_position(grabber->get_position() + grabber_rect.size);
}
grabber_range = width;
}
}
@ -456,6 +480,7 @@ EditorSpinSlider::EditorSpinSlider() {
grabber->connect("gui_input", this, "_grabber_gui_input");
mouse_over_spin = false;
mouse_over_grabber = false;
mousewheel_over_grabber = false;
grabbing_grabber = false;
grabber_range = 1;
value_input = memnew(LineEdit);

1
editor/editor_spin_slider.h
View file

@ -48,6 +48,7 @@ class EditorSpinSlider : public Range {
bool mouse_over_spin;
bool mouse_over_grabber;
bool mousewheel_over_grabber;
bool grabbing_grabber;
int grabbing_from;