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Support whole-word caret movement in ui::edit

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This commit is contained in:
Nikita Lisitsa 2022-05-10 12:01:46 +03:00
parent 922daee6d2
commit 8ca5ab3f25
1 changed files with 26 additions and 4 deletions
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30
libs/ui/source/edit.cpp
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@ -196,19 +196,41 @@ namespace psemek::ui
{
if (e.key == SDLK_LEFT)
{
if (caret_ > 0)
if (ctrl_down_)
{
--caret_;
std::size_t start = caret_;
while (start > 0 && std::isspace(text_[start - 1])) --start;
while (start > 0 && !std::isspace(text_[start - 1])) --start;
caret_ = start;
reset_caret();
}
else
{
if (caret_ > 0)
{
--caret_;
reset_caret();
}
}
}
else if (e.key == SDLK_RIGHT)
{
if (caret_ < text_.size())
if (ctrl_down_)
{
++caret_;
std::size_t end = caret_;
while (end < text_.size() && !std::isspace(text_[end])) ++end;
while (end < text_.size() && std::isspace(text_[end])) ++end;
caret_ = end;
reset_caret();
}
else
{
if (caret_ < text_.size())
{
++caret_;
reset_caret();
}
}
}
else if (e.key == SDLK_HOME)
{