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Clear terminal on resize. (#99)

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This commit is contained in:
Arthur Sonzogni
2021-05-17 00:44:37 +02:00
committed by GitHub
parent e520ac59f9
commit 30a85c4c5b
3 changed files with 22 additions and 11 deletions
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16
src/ftxui/screen/screen.cpp
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@@ -36,6 +36,7 @@ static const wchar_t* INVERTED_RESET = L"\x1B[27m";
static const char* MOVE_LEFT = "\r";
static const char* MOVE_UP = "\x1B[1A";
static const char* CLEAR_LINE = "\x1B[2K";
bool In(const Box& stencil, int x, int y) {
return stencil.x_min <= x && x <= stencil.x_max && //
@@ -219,11 +220,18 @@ Pixel& Screen::PixelAt(int x, int y) {
///
/// @return The string to print in order to reset the cursor position to the
/// beginning.
std::string Screen::ResetPosition() {
std::string Screen::ResetPosition(bool clear) {
std::stringstream ss;
ss << MOVE_LEFT;
for (int y = 1; y < dimy_; ++y) {
ss << MOVE_UP;
if (clear) {
ss << MOVE_LEFT << CLEAR_LINE;
for (int y = 1; y < dimy_; ++y) {
ss << MOVE_UP << CLEAR_LINE;
}
} else {
ss << MOVE_LEFT;
for (int y = 1; y < dimy_; ++y) {
ss << MOVE_UP;
}
}
return ss.str();
}