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-rw-r--r--scene/gui/scroll_container.cpp107
1 files changed, 67 insertions, 40 deletions
diff --git a/scene/gui/scroll_container.cpp b/scene/gui/scroll_container.cpp
index a6aa4707ff..ec34a8d26d 100644
--- a/scene/gui/scroll_container.cpp
+++ b/scene/gui/scroll_container.cpp
@@ -107,45 +107,65 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
double prev_v_scroll = v_scroll->get_value();
double prev_h_scroll = h_scroll->get_value();
+ bool h_scroll_enabled = horizontal_scroll_mode != SCROLL_MODE_DISABLED;
+ bool v_scroll_enabled = vertical_scroll_mode != SCROLL_MODE_DISABLED;
Ref<InputEventMouseButton> mb = p_gui_input;
if (mb.is_valid()) {
- if (mb->get_button_index() == MouseButton::WHEEL_UP && mb->is_pressed()) {
- // only horizontal is enabled, scroll horizontally
- if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->is_shift_pressed())) {
- h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() / 8 * mb->get_factor());
- } else if (v_scroll->is_visible_in_tree()) {
- v_scroll->set_value(v_scroll->get_value() - v_scroll->get_page() / 8 * mb->get_factor());
+ if (mb->is_pressed()) {
+ bool scroll_value_modified = false;
+
+ bool v_scroll_hidden = !v_scroll->is_visible() && vertical_scroll_mode != SCROLL_MODE_SHOW_NEVER;
+ if (mb->get_button_index() == MouseButton::WHEEL_UP) {
+ // By default, the vertical orientation takes precedence. This is an exception.
+ if ((h_scroll_enabled && mb->is_shift_pressed()) || v_scroll_hidden) {
+ h_scroll->set_value(prev_h_scroll - h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll - v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
-
- if (mb->get_button_index() == MouseButton::WHEEL_DOWN && mb->is_pressed()) {
- // only horizontal is enabled, scroll horizontally
- if (h_scroll->is_visible() && (!v_scroll->is_visible() || mb->is_shift_pressed())) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() / 8 * mb->get_factor());
- } else if (v_scroll->is_visible()) {
- v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() / 8 * mb->get_factor());
+ if (mb->get_button_index() == MouseButton::WHEEL_DOWN) {
+ if ((h_scroll_enabled && mb->is_shift_pressed()) || v_scroll_hidden) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
- if (mb->get_button_index() == MouseButton::WHEEL_LEFT && mb->is_pressed()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() - h_scroll->get_page() * mb->get_factor() / 8);
+ bool h_scroll_hidden = !h_scroll->is_visible() && horizontal_scroll_mode != SCROLL_MODE_SHOW_NEVER;
+ if (mb->get_button_index() == MouseButton::WHEEL_LEFT) {
+ // By default, the horizontal orientation takes precedence. This is an exception.
+ if ((v_scroll_enabled && mb->is_shift_pressed()) || h_scroll_hidden) {
+ v_scroll->set_value(prev_v_scroll - v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll - h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
-
- if (mb->get_button_index() == MouseButton::WHEEL_RIGHT && mb->is_pressed()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * mb->get_factor() / 8);
+ if (mb->get_button_index() == MouseButton::WHEEL_RIGHT) {
+ if ((v_scroll_enabled && mb->is_shift_pressed()) || h_scroll_hidden) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ } else if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() / 8 * mb->get_factor());
+ scroll_value_modified = true;
+ }
}
- }
- if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
- accept_event(); //accept event if scroll changed
+ if (scroll_value_modified && (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll)) {
+ accept_event(); // Accept event if scroll changed.
+ return;
+ }
}
- if (!DisplayServer::get_singleton()->screen_is_touchscreen(DisplayServer::get_singleton()->window_get_current_screen(get_viewport()->get_window_id()))) {
+ bool screen_is_touchscreen = DisplayServer::get_singleton()->screen_is_touchscreen(DisplayServer::get_singleton()->window_get_current_screen(get_viewport()->get_window_id()));
+ if (!screen_is_touchscreen) {
return;
}
@@ -161,8 +181,8 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
drag_speed = Vector2();
drag_accum = Vector2();
last_drag_accum = Vector2();
- drag_from = Vector2(h_scroll->get_value(), v_scroll->get_value());
- drag_touching = DisplayServer::get_singleton()->screen_is_touchscreen(DisplayServer::get_singleton()->window_get_current_screen(get_viewport()->get_window_id()));
+ drag_from = Vector2(prev_h_scroll, prev_v_scroll);
+ drag_touching = screen_is_touchscreen;
drag_touching_deaccel = false;
beyond_deadzone = false;
time_since_motion = 0;
@@ -180,6 +200,7 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
}
}
}
+ return;
}
Ref<InputEventMouseMotion> mm = p_gui_input;
@@ -189,22 +210,22 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
Vector2 motion = mm->get_relative();
drag_accum -= motion;
- if (beyond_deadzone || (horizontal_scroll_mode != SCROLL_MODE_DISABLED && Math::abs(drag_accum.x) > deadzone) || (vertical_scroll_mode != SCROLL_MODE_DISABLED && Math::abs(drag_accum.y) > deadzone)) {
+ if (beyond_deadzone || (h_scroll_enabled && Math::abs(drag_accum.x) > deadzone) || (v_scroll_enabled && Math::abs(drag_accum.y) > deadzone)) {
if (!beyond_deadzone) {
propagate_notification(NOTIFICATION_SCROLL_BEGIN);
emit_signal(SNAME("scroll_started"));
beyond_deadzone = true;
- // resetting drag_accum here ensures smooth scrolling after reaching deadzone
+ // Resetting drag_accum here ensures smooth scrolling after reaching deadzone.
drag_accum = -motion;
}
Vector2 diff = drag_from + drag_accum;
- if (horizontal_scroll_mode != SCROLL_MODE_DISABLED) {
+ if (h_scroll_enabled) {
h_scroll->set_value(diff.x);
} else {
drag_accum.x = 0;
}
- if (vertical_scroll_mode != SCROLL_MODE_DISABLED) {
+ if (v_scroll_enabled) {
v_scroll->set_value(diff.y);
} else {
drag_accum.y = 0;
@@ -212,20 +233,26 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
time_since_motion = 0;
}
}
+
+ if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
+ accept_event(); // Accept event if scroll changed.
+ }
+ return;
}
Ref<InputEventPanGesture> pan_gesture = p_gui_input;
if (pan_gesture.is_valid()) {
- if (h_scroll->is_visible_in_tree()) {
- h_scroll->set_value(h_scroll->get_value() + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
+ if (h_scroll_enabled) {
+ h_scroll->set_value(prev_h_scroll + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
}
- if (v_scroll->is_visible_in_tree()) {
- v_scroll->set_value(v_scroll->get_value() + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
+ if (v_scroll_enabled) {
+ v_scroll->set_value(prev_v_scroll + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
}
- }
- if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
- accept_event(); //accept event if scroll changed
+ if (v_scroll->get_value() != prev_v_scroll || h_scroll->get_value() != prev_h_scroll) {
+ accept_event(); // Accept event if scroll changed.
+ }
+ return;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 05:04:21 +0000