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fixing behavior of windows extending off top and left sides of screen

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Benji Dial 2021-02-18 14:57:49 -05:00
parent 8e120a5c72
commit e427f85dec
1 changed files with 1 additions and 1 deletions
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2
src/kernel/window.c
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@ -114,7 +114,7 @@ static void paint_and_above(const struct window *w) {
for (uint16_t y = ys; y < ym; ++y)
for (uint16_t x = xs; x < xm; ++x)
buffer[(y + i->ypos) * VBE_MODE_INFO->width + x + i->xpos] = i->pixel_buffer_pma[y * i->width + x];
buffer[((y + i->ypos) & 0xffff) * VBE_MODE_INFO->width + ((x + i->xpos) & 0xffff)] = i->pixel_buffer_pma[y * i->width + x];
draw_hz_line(i->ypos - 2, i->xpos - 2, i->xpos + i->width + 2, BORDER_COLOR);
draw_hz_line(i->ypos - 1, i->xpos - 2, i->xpos + i->width + 2, BORDER_COLOR);