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ItemList: Clarify distinction between disabled and selected in sending signals

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disabled -> not sending any signal at all (activated, selected, deselected, ...)
selected -> only possible when not disabled, and when selectable

Fixes #74086.
This commit is contained in:
Niels Drost 2023-03-02 20:43:11 +01:00 committed by Rémi Verschelde
parent a278c1b98a
commit fa63107bd1
No known key found for this signature in database
GPG Key ID: C3336907360768E1
1 changed files with 20 additions and 5 deletions
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23
scene/gui/item_list.cpp
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@ -675,11 +675,18 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
if (closest != -1 && (mb->get_button_index() == MouseButton::LEFT || (allow_rmb_select && mb->get_button_index() == MouseButton::RIGHT))) {
int i = closest;
if (items[i].disabled) {
// Don't emit any signal or do any action with clicked item when disabled.
return;
}
if (select_mode == SELECT_MULTI && items[i].selected && mb->is_command_or_control_pressed()) {
deselect(i);
emit_signal(SNAME("multi_selected"), i, false);
} else if (select_mode == SELECT_MULTI && mb->is_shift_pressed() && current >= 0 && current < items.size() && current != i) {
// Range selection.
int from = current;
int to = i;
if (i < current) {
@ -687,6 +694,7 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
}
for (int j = from; j <= to; j++) {
if (!CAN_SELECT(j)) {
// Item is not selectable during a range selection, so skip it.
continue;
}
bool selected = !items[j].selected;
@ -698,12 +706,17 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
emit_signal(SNAME("item_clicked"), i, get_local_mouse_position(), mb->get_button_index());
} else {
if (!mb->is_double_click() && !mb->is_command_or_control_pressed() && select_mode == SELECT_MULTI && items[i].selectable && !items[i].disabled && items[i].selected && mb->get_button_index() == MouseButton::LEFT) {
if (!mb->is_double_click() &&
!mb->is_command_or_control_pressed() &&
select_mode == SELECT_MULTI &&
items[i].selectable &&
items[i].selected &&
mb->get_button_index() == MouseButton::LEFT) {
defer_select_single = i;
return;
}
if (!items[i].selected || allow_reselect) {
if (items[i].selectable && (!items[i].selected || allow_reselect)) {
select(i, select_mode == SELECT_SINGLE || !mb->is_command_or_control_pressed());
if (select_mode == SELECT_SINGLE) {
@ -722,7 +735,9 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
return;
} else if (closest != -1) {
if (!items[closest].disabled) {
emit_signal(SNAME("item_clicked"), closest, get_local_mouse_position(), mb->get_button_index());
}
} else {
// Since closest is null, more likely we clicked on empty space, so send signal to interested controls. Allows, for example, implement items deselecting.
emit_signal(SNAME("empty_clicked"), get_local_mouse_position(), mb->get_button_index());
@ -886,7 +901,7 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
search_string = "";
} else if (p_event->is_action("ui_select", true) && select_mode == SELECT_MULTI) {
if (current >= 0 && current < items.size()) {
if (items[current].selectable && !items[current].disabled && !items[current].selected) {
if (CAN_SELECT(current) && !items[current].selected) {
select(current, false);
emit_signal(SNAME("multi_selected"), current, true);
} else if (items[current].selected) {
@ -897,7 +912,7 @@ void ItemList::gui_input(const Ref<InputEvent> &p_event) {
} else if (p_event->is_action("ui_accept", true)) {
search_string = ""; //any mousepress cancels
if (current >= 0 && current < items.size()) {
if (current >= 0 && current < items.size() && !items[current].disabled) {
emit_signal(SNAME("item_activated"), current);
}
} else {