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Automerge feature. (#313)

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Add the `automerge` attribute to the Pixel bit field. It controls
whether two pixels must be automerged. Defining this allows two
mergeable characters not to be merged.

This was requested by:
https://github.com/ArthurSonzogni/FTXUI/issues/285
This commit is contained in:
Arthur Sonzogni
2022-01-22 15:38:01 +01:00
committed by GitHub
parent 4267b40a68
commit 6039474a26
5 changed files with 56 additions and 22 deletions
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33
src/ftxui/dom/border.cpp
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@@ -89,13 +89,22 @@ class Border : public Node {
screen.at(box_.x_max, box_.y_min) = charset[1];
screen.at(box_.x_min, box_.y_max) = charset[2];
screen.at(box_.x_max, box_.y_max) = charset[3];
for (float x = box_.x_min + 1; x < box_.x_max; ++x) {
screen.at(x, box_.y_min) = charset[4];
screen.at(x, box_.y_max) = charset[4];
Pixel& p1 = screen.PixelAt(x, box_.y_min);
Pixel& p2 = screen.PixelAt(x, box_.y_max);
p1.character = charset[4];
p2.character = charset[4];
p1.automerge = true;
p2.automerge = true;
}
for (float y = box_.y_min + 1; y < box_.y_max; ++y) {
screen.at(box_.x_min, y) = charset[5];
screen.at(box_.x_max, y) = charset[5];
Pixel& p3 = screen.PixelAt(box_.x_min, y);
Pixel& p4 = screen.PixelAt(box_.x_max, y);
p3.character = charset[5];
p4.character = charset[5];
p3.automerge = true;
p4.automerge = true;
}
// Draw title.
@@ -109,12 +118,20 @@ class Border : public Node {
screen.PixelAt(box_.x_min, box_.y_max) = charset_pixel[2];
screen.PixelAt(box_.x_max, box_.y_max) = charset_pixel[3];
for (float x = box_.x_min + 1; x < box_.x_max; ++x) {
screen.PixelAt(x, box_.y_min) = charset_pixel[4];
screen.PixelAt(x, box_.y_max) = charset_pixel[4];
Pixel& p1 = screen.PixelAt(x, box_.y_min);
Pixel& p2 = screen.PixelAt(x, box_.y_max);
p1 = charset_pixel[5];
p2 = charset_pixel[5];
p1.automerge = true;
p2.automerge = true;
}
for (float y = box_.y_min + 1; y < box_.y_max; ++y) {
screen.PixelAt(box_.x_min, y) = charset_pixel[5];
screen.PixelAt(box_.x_max, y) = charset_pixel[5];
Pixel& p3 = screen.PixelAt(box_.x_min, y);
Pixel& p4 = screen.PixelAt(box_.x_max, y);
p3 = charset_pixel[5];
p4 = charset_pixel[5];
p3.automerge = true;
p4.automerge = true;
}
}
};