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Avoids inverted anchors

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Add a push_opposite_anchor argument pushing the opposite anchor if
needed
This commit is contained in:
Gilles Roudiere 2017-08-11 19:25:26 +02:00
parent c26af6f2b7
commit 0041e08f74
3 changed files with 28 additions and 20 deletions
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16
editor/plugins/canvas_item_editor_plugin.cpp
View file

@ -1599,23 +1599,23 @@ void CanvasItemEditor::_viewport_gui_input(const Ref<InputEvent> &p_event) {
switch (drag) {
case DRAG_ANCHOR_TOP_LEFT:
control->set_anchor(MARGIN_LEFT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_RIGHT)));
control->set_anchor(MARGIN_TOP, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_BOTTOM)));
control->set_anchor(MARGIN_LEFT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_RIGHT)), false, false);
control->set_anchor(MARGIN_TOP, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_BOTTOM)), false, false);
continue;
break;
case DRAG_ANCHOR_TOP_RIGHT:
control->set_anchor(MARGIN_RIGHT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_LEFT)));
control->set_anchor(MARGIN_TOP, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_BOTTOM)));
control->set_anchor(MARGIN_RIGHT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_LEFT)), false, false);
control->set_anchor(MARGIN_TOP, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_BOTTOM)), false, false);
continue;
break;
case DRAG_ANCHOR_BOTTOM_RIGHT:
control->set_anchor(MARGIN_RIGHT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_LEFT)));
control->set_anchor(MARGIN_BOTTOM, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_TOP)));
control->set_anchor(MARGIN_RIGHT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_LEFT)), false, false);
control->set_anchor(MARGIN_BOTTOM, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_TOP)), false, false);
continue;
break;
case DRAG_ANCHOR_BOTTOM_LEFT:
control->set_anchor(MARGIN_LEFT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_RIGHT)));
control->set_anchor(MARGIN_BOTTOM, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_TOP)));
control->set_anchor(MARGIN_LEFT, _anchor_snap(anchor.x, NULL, control->get_anchor(MARGIN_RIGHT)), false, false);
control->set_anchor(MARGIN_BOTTOM, _anchor_snap(anchor.y, NULL, control->get_anchor(MARGIN_TOP)), false, false);
continue;
break;
case DRAG_ANCHOR_ALL:

28
scene/gui/control.cpp
View file

@ -1304,14 +1304,22 @@ float Control::_a2s(float p_val, float p_anchor, float p_range) const {
return Math::floor(p_val + (p_anchor * p_range));
}
void Control::set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin) {
void Control::set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin, bool p_push_opposite_anchor) {
bool pushed = false;
data.anchor[p_margin] = CLAMP(p_anchor, 0.0, 1.0);
if (is_inside_tree()) {
if (!p_keep_margin) {
float pr = _get_parent_range(p_margin);
float s = _a2s(data.margin[p_margin], data.anchor[p_margin], pr);
data.margin[p_margin] = _s2a(s, p_anchor, pr);
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();
}
}
@ -1331,9 +1339,9 @@ void Control::_set_anchor(Margin p_margin, float p_anchor) {
#endif
}
void Control::set_anchor_and_margin(Margin p_margin, float p_anchor, float p_pos) {
void Control::set_anchor_and_margin(Margin p_margin, float p_anchor, float p_pos, bool p_push_opposite_anchor) {
set_anchor(p_margin, p_anchor);
set_anchor(p_margin, p_anchor, false, p_push_opposite_anchor);
set_margin(p_margin, p_pos);
}
@ -2455,12 +2463,12 @@ void Control::_bind_methods() {
ClassDB::bind_method(D_METHOD("accept_event"), &Control::accept_event);
ClassDB::bind_method(D_METHOD("get_minimum_size"), &Control::get_minimum_size);
ClassDB::bind_method(D_METHOD("get_combined_minimum_size"), &Control::get_combined_minimum_size);
ClassDB::bind_method(D_METHOD("set_anchor", "margin", "anchor", "keep_margin"), &Control::set_anchor, DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_anchor", "margin", "anchor", "keep_margin", "push_opposite_anchor"), &Control::set_anchor, DEFVAL(false), DEFVAL(true));
ClassDB::bind_method(D_METHOD("_set_anchor", "margin", "anchor"), &Control::_set_anchor);
ClassDB::bind_method(D_METHOD("set_anchors_preset", "preset", "keep_margin"), &Control::set_anchors_preset, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_anchor", "margin"), &Control::get_anchor);
ClassDB::bind_method(D_METHOD("set_margin", "margin", "offset"), &Control::set_margin);
ClassDB::bind_method(D_METHOD("set_anchor_and_margin", "margin", "anchor", "offset"), &Control::set_anchor_and_margin);
ClassDB::bind_method(D_METHOD("set_anchor_and_margin", "margin", "anchor", "offset", "push_opposite_anchor"), &Control::set_anchor_and_margin, DEFVAL(false));
ClassDB::bind_method(D_METHOD("set_begin", "pos"), &Control::set_begin);
ClassDB::bind_method(D_METHOD("set_end", "pos"), &Control::set_end);
ClassDB::bind_method(D_METHOD("set_position", "pos"), &Control::set_position);

4
scene/gui/control.h
View file

@ -292,8 +292,8 @@ public:
/* POSITIONING */
void set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin = false);
void set_anchor_and_margin(Margin p_margin, float p_anchor, float p_pos);
void set_anchor(Margin p_margin, float p_anchor, bool p_keep_margin = false, bool p_push_opposite_anchor = true);
void set_anchor_and_margin(Margin p_margin, float p_anchor, float p_pos, bool p_push_opposite_anchor = true);
void set_anchors_preset(LayoutPreset p_preset, bool p_keep_margin = false);
float get_anchor(Margin p_margin) const;