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Fixes nodes being resized or moved when changing an anchor

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This commit is contained in:
Gilles Roudiere 2018-01-11 23:21:04 +01:00
parent 9a62829759
commit 00473e0897
1 changed files with 13 additions and 5 deletions
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18
scene/gui/control.cpp
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@ -1357,24 +1357,32 @@ float Control::_a2s(float p_val, float p_anchor, float p_range) const {
}
void Control::set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin, bool p_push_opposite_anchor) {
bool pushed = false;
float parent_range = _get_parent_range((p_margin == MARGIN_LEFT || p_margin == MARGIN_RIGHT) ? 0 : 1);
float previous_margin_pos = data.margin[p_margin] + data.anchor[p_margin] * parent_range;
float previous_opposite_margin_pos = data.margin[(p_margin + 2) % 4] + data.anchor[(p_margin + 2) % 4] * parent_range;
data.anchor[p_margin] = CLAMP(p_anchor, 0.0, 1.0);
if (((p_margin == MARGIN_LEFT || p_margin == MARGIN_TOP) && data.anchor[p_margin] > data.anchor[(p_margin + 2) % 4]) ||
((p_margin == MARGIN_RIGHT || p_margin == MARGIN_BOTTOM) && data.anchor[p_margin] < data.anchor[(p_margin + 2) % 4])) {
if (p_push_opposite_anchor) {
data.anchor[(p_margin + 2) % 4] = data.anchor[p_margin];
pushed = true;
} else {
data.anchor[p_margin] = data.anchor[(p_margin + 2) % 4];
}
}
if (is_inside_tree()) {
if (p_keep_margin) {
_size_changed();
if (!p_keep_margin) {
data.margin[p_margin] = _s2a(previous_margin_pos, data.anchor[p_margin], parent_range);
if (p_push_opposite_anchor) {
data.margin[(p_margin + 2) % 4] = _s2a(previous_opposite_margin_pos, data.anchor[(p_margin + 2) % 4], parent_range);
}
}
if (is_inside_tree()) {
_size_changed();
}
update();
_change_notify();
}