fix(renderer): Correctly position right block if center is empty

The issue was that it used the position of the center module to
calculate the leftmost possible position of the block. However, if the
center module is empty that position is disastrously wrong.

Fixes #591
Fixes #1903
This commit is contained in:
patrick96 2019-11-22 00:01:40 +01:00 committed by Patrick Ziegler
parent 4bc7a09c7e
commit ec2bad004a

View File

@ -1,4 +1,5 @@
#include "components/renderer.hpp"
#include "cairo/context.hpp"
#include "components/config.hpp"
#include "events/signal.hpp"
@ -454,11 +455,25 @@ double renderer::block_x(alignment a) const {
return std::max(base_pos - block_w(a) / 2.0, min_pos);
}
case alignment::RIGHT: {
double gap{0.0};
if (block_w(alignment::LEFT) || block_w(alignment::CENTER)) {
gap = BLOCK_GAP;
/*
* The block immediately to the left of this block
*
* Generally the center block unless it is empty.
*/
alignment left_barrier = alignment::CENTER;
if (block_w(alignment::CENTER) == 0) {
left_barrier = alignment::LEFT;
}
return std::max(m_rect.width - block_w(a), block_x(alignment::CENTER) + gap + block_w(alignment::CENTER));
// The minimum x position this block can start at
double min_pos = block_x(left_barrier) + block_w(left_barrier);
if (block_w(left_barrier) != 0) {
min_pos += BLOCK_GAP;
}
return std::max(m_rect.width - block_w(a), min_pos);
}
default:
return 0.0;