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Better text editing

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This commit is contained in:
aristocratos 2023-07-27 20:51:21 +02:00
parent 594f42b9eb
commit 94e5c02d11
1 changed files with 18 additions and 4 deletions
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22
src/btop_draw.cpp
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@ -156,10 +156,10 @@ namespace Draw {
upos++;
pos = uresize(text, upos).size();
}
else if (key == "home" and pos > 0) {
else if (key == "home" and not text.empty() and pos > 0) {
pos = upos = 0;
}
else if (key == "end" and pos < text.size()) {
else if (key == "end" and not text.empty() and pos < text.size()) {
pos = text.size();
upos = ulen(text);
}
@ -202,6 +202,10 @@ namespace Draw {
}
string TextEdit::operator()(const size_t limit) {
string out;
size_t c_upos = upos;
if (text.empty())
return Fx::ul + " " + Fx::uul;
if (limit > 0 and ulen(text) + 1 > limit) {
try {
const size_t half = (size_t)round((double)limit / 2);
@ -214,13 +218,23 @@ namespace Draw {
else
first = luresize(text.substr(0, pos), half);
return first + Fx::bl + "█" + Fx::ubl + uresize(text.substr(pos), limit - ulen(first));
out = first + uresize(text.substr(pos), limit - ulen(first));
c_upos = ulen(first);
}
catch (const std::exception& e) {
Logger::error("In TextEdit::operator() : " + string{e.what()});
return "";
}
}
return text.substr(0, pos) + Fx::bl + "█" + Fx::ubl + text.substr(pos);
else
out = text;
if (c_upos == 0)
return Fx::ul + uresize(out, 1) + Fx::uul + luresize(out, ulen(out) - 1);
else if (c_upos == ulen(out))
return out + Fx::ul + " " + Fx::uul;
else
return uresize(out, c_upos) + Fx::ul + luresize(uresize(out, c_upos + 1), 1) + Fx::uul + luresize(out, ulen(out) - c_upos - 1);
}
void TextEdit::clear() {