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Allow dragging selection when selecting whole words in `RichTextLabel`

This commit is contained in:
HolonProduction 2023-12-05 19:59:23 +01:00
parent abf8e1e6f9
commit 617e3456fd
2 changed files with 33 additions and 1 deletions
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33
scene/gui/rich_text_label.cpp
View File

@ -2056,6 +2056,7 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
int c_index = 0; int c_index = 0;
bool outside; bool outside;
selection.double_click = false;
selection.drag_attempt = false; selection.drag_attempt = false;
_find_click(main, b->get_position(), &c_frame, &c_line, &c_item, &c_index, &outside, false); _find_click(main, b->get_position(), &c_frame, &c_line, &c_item, &c_index, &outside, false);
@ -2122,6 +2123,13 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
break; break;
} }
} }
selection.click_frame = c_frame;
selection.click_item = c_item;
selection.click_line = c_line;
selection.click_char = c_index;
selection.double_click = true;
} }
} else if (!b->is_pressed()) { } else if (!b->is_pressed()) {
if (selection.enabled && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) { if (selection.enabled && DisplayServer::get_singleton()->has_feature(DisplayServer::FEATURE_CLIPBOARD_PRIMARY)) {
@ -2281,7 +2289,7 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
const Line &l2 = selection.click_frame->lines[selection.click_line]; const Line &l2 = selection.click_frame->lines[selection.click_line];
if (l1.char_offset + c_index < l2.char_offset + selection.click_char) { if (l1.char_offset + c_index < l2.char_offset + selection.click_char) {
swap = true; swap = true;
} else if (l1.char_offset + c_index == l2.char_offset + selection.click_char) { } else if (l1.char_offset + c_index == l2.char_offset + selection.click_char && !selection.double_click) {
deselect(); deselect();
return; return;
} }
@ -2294,6 +2302,29 @@ void RichTextLabel::gui_input(const Ref<InputEvent> &p_event) {
SWAP(selection.from_char, selection.to_char); SWAP(selection.from_char, selection.to_char);
} }
if (selection.double_click && c_frame) {
// Expand the selection to word edges.
Line *l = &selection.from_frame->lines[selection.from_line];
MutexLock lock(l->text_buf->get_mutex());
PackedInt32Array words = TS->shaped_text_get_word_breaks(l->text_buf->get_rid());
for (int i = 0; i < words.size(); i = i + 2) {
if (selection.from_char > words[i] && selection.from_char < words[i + 1]) {
selection.from_char = words[i];
break;
}
}
l = &selection.to_frame->lines[selection.to_line];
lock = MutexLock(l->text_buf->get_mutex());
words = TS->shaped_text_get_word_breaks(l->text_buf->get_rid());
for (int i = 0; i < words.size(); i = i + 2) {
if (selection.to_char > words[i] && selection.to_char < words[i + 1]) {
selection.to_char = words[i + 1];
break;
}
}
}
selection.active = true; selection.active = true;
queue_redraw(); queue_redraw();
} }

1
scene/gui/rich_text_label.h
View File

@ -534,6 +534,7 @@ private:
Item *to_item = nullptr; Item *to_item = nullptr;
int to_char = 0; int to_char = 0;
bool double_click = false; // Selecting whole words?
bool active = false; // anything selected? i.e. from, to, etc. valid? bool active = false; // anything selected? i.e. from, to, etc. valid?
bool enabled = false; // allow selections? bool enabled = false; // allow selections?
bool drag_attempt = false; bool drag_attempt = false;