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Layout: Fix auto margins to be affected by {min|max}-width constraints.

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This commit is contained in:
Michael Drake 2017-04-28 15:44:34 +01:00
parent e431e6181b
commit 6f7b5e3f22
1 changed files with 20 additions and 8 deletions
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28
render/layout.c
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@ -1545,16 +1545,20 @@ layout_solve_width(struct box *box,
/* Find width */
if (width == AUTO) {
/* any other 'auto' become 0 or the minimum required values */
if (box->margin[LEFT] == AUTO)
box->margin[LEFT] = lm;
if (box->margin[RIGHT] == AUTO)
box->margin[RIGHT] = rm;
int margin_left = box->margin[LEFT];
int margin_right = box->margin[RIGHT];
if (margin_left == AUTO) {
margin_left = lm;
}
if (margin_right == AUTO) {
margin_right = rm;
}
width = available_width -
(box->margin[LEFT] + box->border[LEFT].width +
(margin_left + box->border[LEFT].width +
box->padding[LEFT] + box->padding[RIGHT] +
box->border[RIGHT].width + box->margin[RIGHT]);
box->border[RIGHT].width + margin_right);
width = width < 0 ? 0 : width;
auto_width = true;
}
@ -1572,8 +1576,16 @@ layout_solve_width(struct box *box,
}
/* Width was auto, and unconstrained by min/max width, so we're done */
if (auto_width)
if (auto_width) {
/* any other 'auto' become 0 or the minimum required values */
if (box->margin[LEFT] == AUTO) {
box->margin[LEFT] = lm;
}
if (box->margin[RIGHT] == AUTO) {
box->margin[RIGHT] = rm;
}
return width;
}
/* Width was not auto, or was constrained by min/max width
* Need to compute left/right margins */