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Merge pull request #90988 from TheSofox/scrolling-signal-fix

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Enable `Scrolling` signal when scrolling with middle mouse on `RichTextLabel` or `ScrollContainer`
This commit is contained in:
Rémi Verschelde 2024-04-22 22:38:04 +02:00 committed by GitHub
commit 7abe0c6014
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GPG key ID: B5690EEEBB952194
4 changed files with 62 additions and 44 deletions
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18
scene/gui/rich_text_label.cpp
View file

@ -2149,12 +2149,12 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
if (b->get_button_index() == MouseButton::WHEEL_UP) {
if (scroll_active) {
vscroll->set_value(vscroll->get_value() - vscroll->get_page() * b->get_factor() * 0.5 / 8);
vscroll->scroll(-vscroll->get_page() * b->get_factor() * 0.5 / 8);
}
}
if (b->get_button_index() == MouseButton::WHEEL_DOWN) {
if (scroll_active) {
vscroll->set_value(vscroll->get_value() + vscroll->get_page() * b->get_factor() * 0.5 / 8);
vscroll->scroll(vscroll->get_page() * b->get_factor() * 0.5 / 8);
}
}
if (b->get_button_index() == MouseButton::RIGHT && context_menu_enabled) {
@ -2169,7 +2169,7 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
Ref<InputEventPanGesture> pan_gesture = p_event;
if (pan_gesture.is_valid()) {
if (scroll_active) {
vscroll->set_value(vscroll->get_value() + vscroll->get_page() * pan_gesture->get_delta().y * 0.5 / 8);
vscroll->scroll(vscroll->get_page() * pan_gesture->get_delta().y * 0.5 / 8);
}
return;
@ -2182,27 +2182,27 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
bool handled = false;
if (k->is_action("ui_page_up", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(vscroll->get_value() - vscroll->get_page());
vscroll->scroll(-vscroll->get_page());
handled = true;
}
if (k->is_action("ui_page_down", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(vscroll->get_value() + vscroll->get_page());
vscroll->scroll(vscroll->get_page());
handled = true;
}
if (k->is_action("ui_up", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(vscroll->get_value() - theme_cache.normal_font->get_height(theme_cache.normal_font_size));
vscroll->scroll(-theme_cache.normal_font->get_height(theme_cache.normal_font_size));
handled = true;
}
if (k->is_action("ui_down", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(vscroll->get_value() + theme_cache.normal_font->get_height(theme_cache.normal_font_size));
vscroll->scroll(vscroll->get_value() + theme_cache.normal_font->get_height(theme_cache.normal_font_size));
handled = true;
}
if (k->is_action("ui_home", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(0);
vscroll->scroll_to(0);
handled = true;
}
if (k->is_action("ui_end", true) && vscroll->is_visible_in_tree()) {
vscroll->set_value(vscroll->get_max());
vscroll->scroll_to(vscroll->get_max());
handled = true;
}
if (is_shortcut_keys_enabled()) {

57
scene/gui/scroll_bar.cpp
View file

@ -46,9 +46,6 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
ERR_FAIL_COND(p_event.is_null());
Ref<InputEventMouseMotion> m = p_event;
if (!m.is_valid() || drag.active) {
emit_signal(SNAME("scrolling"));
}
Ref<InputEventMouseButton> b = p_event;
@ -57,13 +54,13 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
if (b->get_button_index() == MouseButton::WHEEL_DOWN && b->is_pressed()) {
double change = get_page() != 0.0 ? get_page() / 4.0 : (get_max() - get_min()) / 16.0;
set_value(get_value() + MAX(change, get_step()));
scroll(MAX(change, get_step()));
accept_event();
}
if (b->get_button_index() == MouseButton::WHEEL_UP && b->is_pressed()) {
double change = get_page() != 0.0 ? get_page() / 4.0 : (get_max() - get_min()) / 16.0;
set_value(get_value() - MAX(change, get_step()));
scroll(-MAX(change, get_step()));
accept_event();
}
@ -84,14 +81,14 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
if (ofs < decr_size) {
decr_active = true;
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
scroll(-(custom_step >= 0 ? custom_step : get_step()));
queue_redraw();
return;
}
if (ofs > total - incr_size) {
incr_active = true;
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
scroll(custom_step >= 0 ? custom_step : get_step());
queue_redraw();
return;
}
@ -110,7 +107,7 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
scrolling = true;
set_physics_process_internal(true);
} else {
set_value(target_scroll);
scroll_to(target_scroll);
}
return;
}
@ -134,7 +131,7 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
scrolling = true;
set_physics_process_internal(true);
} else {
set_value(target_scroll);
scroll_to(target_scroll);
}
}
@ -158,7 +155,13 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
double diff = (ofs - drag.pos_at_click) / get_area_size();
double prev_scroll = get_value();
set_as_ratio(drag.value_at_click + diff);
if (!Math::is_equal_approx(prev_scroll, get_value())) {
emit_signal(SNAME("scrolling"));
}
} else {
double ofs = orientation == VERTICAL ? m->get_position().y : m->get_position().x;
Ref<Texture2D> decr = theme_cache.decrement_icon;
@ -192,32 +195,32 @@ void ScrollBar::gui_input(const Ref<InputEvent> &p_event) {
if (orientation != HORIZONTAL) {
return;
}
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
scroll(-(custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_right", true)) {
if (orientation != HORIZONTAL) {
return;
}
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
scroll(custom_step >= 0 ? custom_step : get_step());
} else if (p_event->is_action("ui_up", true)) {
if (orientation != VERTICAL) {
return;
}
set_value(get_value() - (custom_step >= 0 ? custom_step : get_step()));
scroll(-(custom_step >= 0 ? custom_step : get_step()));
} else if (p_event->is_action("ui_down", true)) {
if (orientation != VERTICAL) {
return;
}
set_value(get_value() + (custom_step >= 0 ? custom_step : get_step()));
scroll(custom_step >= 0 ? custom_step : get_step());
} else if (p_event->is_action("ui_home", true)) {
set_value(get_min());
scroll_to(get_min());
} else if (p_event->is_action("ui_end", true)) {
set_value(get_max());
scroll_to(get_max());
}
}
}
@ -329,11 +332,11 @@ void ScrollBar::_notification(int p_what) {
double vel = ((target / dist) * 500) * get_physics_process_delta_time();
if (Math::abs(vel) >= dist) {
set_value(target_scroll);
scroll_to(target_scroll);
scrolling = false;
set_physics_process_internal(false);
} else {
set_value(get_value() + vel);
scroll(vel);
}
} else {
scrolling = false;
@ -358,7 +361,7 @@ void ScrollBar::_notification(int p_what) {
turnoff = true;
}
set_value(pos.x);
scroll_to(pos.x);
float sgn_x = drag_node_speed.x < 0 ? -1 : 1;
float val_x = Math::abs(drag_node_speed.x);
@ -381,7 +384,7 @@ void ScrollBar::_notification(int p_what) {
turnoff = true;
}
set_value(pos.y);
scroll_to(pos.y);
float sgn_y = drag_node_speed.y < 0 ? -1 : 1;
float val_y = Math::abs(drag_node_speed.y);
@ -497,6 +500,18 @@ Size2 ScrollBar::get_minimum_size() const {
return minsize;
}
void ScrollBar::scroll(double p_amount) {
scroll_to(get_value() + p_amount);
}
void ScrollBar::scroll_to(double p_position) {
double prev_scroll = get_value();
set_value(p_position);
if (!Math::is_equal_approx(prev_scroll, get_value())) {
emit_signal(SNAME("scrolling"));
}
}
void ScrollBar::set_custom_step(float p_custom_step) {
custom_step = p_custom_step;
}
@ -561,11 +576,11 @@ void ScrollBar::_drag_node_input(const Ref<InputEvent> &p_input) {
Vector2 diff = drag_node_from + drag_node_accum;
if (orientation == HORIZONTAL) {
set_value(diff.x);
scroll_to(diff.x);
}
if (orientation == VERTICAL) {
set_value(diff.y);
scroll_to(diff.y);
}
time_since_motion = 0;

3
scene/gui/scroll_bar.h
View file

@ -111,6 +111,9 @@ protected:
static void _bind_methods();
public:
void scroll(double p_amount);
void scroll_to(double p_position);
void set_custom_step(float p_custom_step);
float get_custom_step() const;

28
scene/gui/scroll_container.cpp
View file

@ -114,19 +114,19 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
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());
h_scroll->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());
v_scroll->scroll(-v_scroll->get_page() / 8 * mb->get_factor());
scroll_value_modified = true;
}
}
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());
h_scroll->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());
v_scroll->scroll(v_scroll->get_page() / 8 * mb->get_factor());
scroll_value_modified = true;
}
}
@ -135,19 +135,19 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
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());
v_scroll->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());
h_scroll->scroll(-h_scroll->get_page() / 8 * mb->get_factor());
scroll_value_modified = true;
}
}
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());
v_scroll->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());
h_scroll->scroll(h_scroll->get_page() / 8 * mb->get_factor());
scroll_value_modified = true;
}
}
@ -213,12 +213,12 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
}
Vector2 diff = drag_from + drag_accum;
if (h_scroll_enabled) {
h_scroll->set_value(diff.x);
h_scroll->scroll_to(diff.x);
} else {
drag_accum.x = 0;
}
if (v_scroll_enabled) {
v_scroll->set_value(diff.y);
v_scroll->scroll_to(diff.y);
} else {
drag_accum.y = 0;
}
@ -235,10 +235,10 @@ void ScrollContainer::gui_input(const Ref<InputEvent> &p_gui_input) {
Ref<InputEventPanGesture> pan_gesture = p_gui_input;
if (pan_gesture.is_valid()) {
if (h_scroll_enabled) {
h_scroll->set_value(prev_h_scroll + h_scroll->get_page() * pan_gesture->get_delta().x / 8);
h_scroll->scroll(h_scroll->get_page() * pan_gesture->get_delta().x / 8);
}
if (v_scroll_enabled) {
v_scroll->set_value(prev_v_scroll + v_scroll->get_page() * pan_gesture->get_delta().y / 8);
v_scroll->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) {
@ -391,10 +391,10 @@ void ScrollContainer::_notification(int p_what) {
}
if (horizontal_scroll_mode != SCROLL_MODE_DISABLED) {
h_scroll->set_value(pos.x);
h_scroll->scroll_to(pos.x);
}
if (vertical_scroll_mode != SCROLL_MODE_DISABLED) {
v_scroll->set_value(pos.y);
v_scroll->scroll_to(pos.y);
}
float sgn_x = drag_speed.x < 0 ? -1 : 1;