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Code Issues Releases Wiki Activity

Improved message edition with pre-selected text.

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This commit is contained in:
23rd
2024-03-17 03:46:11 +03:00
parent ddaf78828a
commit 2638ee2926
12 changed files with 69 additions and 16 deletions
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25
Telegram/SourceFiles/chat_helpers/message_field.cpp
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@@ -1037,3 +1037,28 @@ base::unique_qptr<Ui::RpWidget> PremiumRequiredSendRestriction(
});
return result;
}
void SelectTextInFieldWithMargins(
not_null<Ui::InputField*> field,
const TextSelection &selection) {
if (selection.empty()) {
return;
}
auto textCursor = field->textCursor();
// Try to set equal margins for top and bottom sides.
const auto charsCountInLine = field->width()
/ field->st().font->width('W');
const auto linesCount = (field->height() / field->st().font->height);
const auto selectedLines = (selection.to - selection.from)
/ charsCountInLine;
constexpr auto kMinDiff = ushort(3);
if ((linesCount - selectedLines) > kMinDiff) {
textCursor.setPosition(selection.from
- charsCountInLine * ((linesCount - 1) / 2));
field->setTextCursor(textCursor);
}
textCursor.setPosition(selection.from);
field->setTextCursor(textCursor);
textCursor.setPosition(selection.to, QTextCursor::KeepAnchor);
field->setTextCursor(textCursor);
}