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Merge pull request #17081 from endragor/no-press-when-scroll

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Make Button not emit press when container is scrolled
This commit is contained in:
Rémi Verschelde 2018-04-10 07:56:37 +02:00 committed by GitHub
commit 7e2782e177
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 60 additions and 24 deletions
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2
scene/gui/base_button.cpp
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@ -252,7 +252,7 @@ void BaseButton::_notification(int p_what) {
status.hovering = false;
update();
}
if (p_what == NOTIFICATION_DRAG_BEGIN) {
if (p_what == NOTIFICATION_DRAG_BEGIN || p_what == NOTIFICATION_SCROLL_BEGIN) {
if (status.press_attempt) {
status.press_attempt = false;

2
scene/gui/control.cpp
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@ -2888,6 +2888,8 @@ void Control::_bind_methods() {
BIND_CONSTANT(NOTIFICATION_FOCUS_EXIT);
BIND_CONSTANT(NOTIFICATION_THEME_CHANGED);
BIND_CONSTANT(NOTIFICATION_MODAL_CLOSE);
BIND_CONSTANT(NOTIFICATION_SCROLL_BEGIN);
BIND_CONSTANT(NOTIFICATION_SCROLL_END);
BIND_ENUM_CONSTANT(CURSOR_ARROW);
BIND_ENUM_CONSTANT(CURSOR_IBEAM);

2
scene/gui/control.h
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@ -272,6 +272,8 @@ public:
NOTIFICATION_FOCUS_EXIT = 44,
NOTIFICATION_THEME_CHANGED = 45,
NOTIFICATION_MODAL_CLOSE = 46,
NOTIFICATION_SCROLL_BEGIN = 47,
NOTIFICATION_SCROLL_END = 48,
};

72
scene/gui/scroll_container.cpp
View File

@ -75,6 +75,12 @@ void ScrollContainer::_cancel_drag() {
drag_accum = Vector2();
last_drag_accum = Vector2();
drag_from = Vector2();
if (beyond_deadzone) {
emit_signal("scroll_ended");
propagate_notification(NOTIFICATION_SCROLL_END);
beyond_deadzone = false;
}
}
void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
@ -122,13 +128,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
if (mb->is_pressed()) {
if (drag_touching) {
set_physics_process(false);
drag_touching_deaccel = false;
drag_touching = false;
drag_speed = Vector2();
drag_accum = Vector2();
last_drag_accum = Vector2();
drag_from = Vector2();
_cancel_drag();
}
if (true) {
@ -138,6 +138,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
drag_from = Vector2(h_scroll->get_value(), v_scroll->get_value());
drag_touching = OS::get_singleton()->has_touchscreen_ui_hint();
drag_touching_deaccel = false;
beyond_deadzone = false;
time_since_motion = 0;
if (drag_touching) {
set_physics_process(true);
@ -149,9 +150,7 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
if (drag_touching) {
if (drag_speed == Vector2()) {
drag_touching_deaccel = false;
drag_touching = false;
set_physics_process(false);
_cancel_drag();
} else {
drag_touching_deaccel = true;
@ -168,17 +167,27 @@ void ScrollContainer::_gui_input(const Ref<InputEvent> &p_gui_input) {
Vector2 motion = Vector2(mm->get_relative().x, mm->get_relative().y);
drag_accum -= motion;
Vector2 diff = drag_from + drag_accum;
if (scroll_h)
h_scroll->set_value(diff.x);
else
drag_accum.x = 0;
if (scroll_v)
v_scroll->set_value(diff.y);
else
drag_accum.y = 0;
time_since_motion = 0;
if (beyond_deadzone || scroll_h && Math::abs(drag_accum.x) > deadzone || scroll_v && Math::abs(drag_accum.y) > deadzone) {
if (!beyond_deadzone) {
propagate_notification(NOTIFICATION_SCROLL_BEGIN);
emit_signal("scroll_started");
beyond_deadzone = true;
// resetting drag_accum here ensures smooth scrolling after reaching deadzone
drag_accum = -motion;
}
Vector2 diff = drag_from + drag_accum;
if (scroll_h)
h_scroll->set_value(diff.x);
else
drag_accum.x = 0;
if (scroll_v)
v_scroll->set_value(diff.y);
else
drag_accum.y = 0;
time_since_motion = 0;
}
}
}
@ -323,9 +332,7 @@ void ScrollContainer::_notification(int p_what) {
drag_speed = Vector2(sgn_x * val_x, sgn_y * val_y);
if (turnoff_h && turnoff_v) {
set_physics_process(false);
drag_touching = false;
drag_touching_deaccel = false;
_cancel_drag();
}
} else {
@ -430,6 +437,14 @@ void ScrollContainer::set_h_scroll(int p_pos) {
_cancel_drag();
}
int ScrollContainer::get_deadzone() const {
return deadzone;
}
void ScrollContainer::set_deadzone(int p_deadzone) {
deadzone = p_deadzone;
}
String ScrollContainer::get_configuration_warning() const {
int found = 0;
@ -466,12 +481,20 @@ void ScrollContainer::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_h_scroll"), &ScrollContainer::get_h_scroll);
ClassDB::bind_method(D_METHOD("set_v_scroll", "value"), &ScrollContainer::set_v_scroll);
ClassDB::bind_method(D_METHOD("get_v_scroll"), &ScrollContainer::get_v_scroll);
ClassDB::bind_method(D_METHOD("set_deadzone", "deadzone"), &ScrollContainer::set_deadzone);
ClassDB::bind_method(D_METHOD("get_deadzone"), &ScrollContainer::get_deadzone);
ADD_SIGNAL(MethodInfo("scroll_started"));
ADD_SIGNAL(MethodInfo("scroll_ended"));
ADD_GROUP("Scroll", "scroll_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_horizontal_enabled"), "set_enable_h_scroll", "is_h_scroll_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_horizontal"), "set_h_scroll", "get_h_scroll");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "scroll_vertical_enabled"), "set_enable_v_scroll", "is_v_scroll_enabled");
ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_vertical"), "set_v_scroll", "get_v_scroll");
ADD_PROPERTY(PropertyInfo(Variant::INT, "scroll_deadzone"), "set_deadzone", "get_deadzone");
GLOBAL_DEF("gui/common/default_scroll_deadzone", 0);
};
ScrollContainer::ScrollContainer() {
@ -490,8 +513,11 @@ ScrollContainer::ScrollContainer() {
drag_speed = Vector2();
drag_touching = false;
drag_touching_deaccel = false;
beyond_deadzone = false;
scroll_h = true;
scroll_v = true;
deadzone = GLOBAL_GET("gui/common/default_scroll_deadzone");
set_clip_contents(true);
};

6
scene/gui/scroll_container.h
View File

@ -56,10 +56,13 @@ class ScrollContainer : public Container {
bool drag_touching;
bool drag_touching_deaccel;
bool click_handled;
bool beyond_deadzone;
bool scroll_h;
bool scroll_v;
int deadzone;
void _cancel_drag();
protected:
@ -86,6 +89,9 @@ public:
void set_enable_v_scroll(bool p_enable);
bool is_v_scroll_enabled() const;
int get_deadzone() const;
void set_deadzone(int p_deadzone);
virtual bool clips_input() const;
virtual String get_configuration_warning() const;