Make GraphNode handle children with EXPAND flag
This commit is contained in:
Leonardo Christino
parent
b3506bc63b
commit
5d574d980d
|
|
@ -32,6 +32,12 @@
|
|||
|
||||
#include "core/string/translation.h"
|
||||
|
||||
struct _MinSizeCache {
|
||||
int min_size;
|
||||
bool will_stretch;
|
||||
int final_size;
|
||||
};
|
||||
|
||||
bool GraphNode::_set(const StringName &p_name, const Variant &p_value) {
|
||||
String str = p_name;
|
||||
if (str.begins_with("opentype_features/")) {
|
||||
|
|
@ -171,15 +177,23 @@ void GraphNode::_get_property_list(List<PropertyInfo> *p_list) const {
|
|||
}
|
||||
|
||||
void GraphNode::_resort() {
|
||||
int sep = get_theme_constant("separation");
|
||||
Ref<StyleBox> sb = get_theme_stylebox("frame");
|
||||
bool first = true;
|
||||
/** First pass, determine minimum size AND amount of stretchable elements */
|
||||
|
||||
Size2 minsize;
|
||||
Size2i new_size = get_size();
|
||||
Ref<StyleBox> sb = get_theme_stylebox("frame");
|
||||
|
||||
int sep = get_theme_constant("separation");
|
||||
|
||||
bool first = true;
|
||||
int children_count = 0;
|
||||
int stretch_min = 0;
|
||||
int stretch_avail = 0;
|
||||
float stretch_ratio_total = 0;
|
||||
Map<Control *, _MinSizeCache> min_size_cache;
|
||||
|
||||
for (int i = 0; i < get_child_count(); i++) {
|
||||
Control *c = Object::cast_to<Control>(get_child(i));
|
||||
if (!c) {
|
||||
if (!c || !c->is_visible_in_tree()) {
|
||||
continue;
|
||||
}
|
||||
if (c->is_set_as_top_level()) {
|
||||
|
|
@ -187,38 +201,120 @@ void GraphNode::_resort() {
|
|||
}
|
||||
|
||||
Size2i size = c->get_combined_minimum_size();
|
||||
_MinSizeCache msc;
|
||||
|
||||
minsize.y += size.y;
|
||||
minsize.x = MAX(minsize.x, size.x);
|
||||
stretch_min += size.height;
|
||||
msc.min_size = size.height;
|
||||
msc.will_stretch = c->get_v_size_flags() & SIZE_EXPAND;
|
||||
|
||||
if (msc.will_stretch) {
|
||||
stretch_avail += msc.min_size;
|
||||
stretch_ratio_total += c->get_stretch_ratio();
|
||||
}
|
||||
msc.final_size = msc.min_size;
|
||||
min_size_cache[c] = msc;
|
||||
children_count++;
|
||||
}
|
||||
|
||||
if (children_count == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
int stretch_max = new_size.height - (children_count - 1) * sep;
|
||||
int stretch_diff = stretch_max - stretch_min;
|
||||
if (stretch_diff < 0) {
|
||||
//avoid negative stretch space
|
||||
stretch_diff = 0;
|
||||
}
|
||||
|
||||
stretch_avail += stretch_diff - sb->get_margin(SIDE_BOTTOM) - sb->get_margin(SIDE_TOP); //available stretch space.
|
||||
/** Second, pass sucessively to discard elements that can't be stretched, this will run while stretchable
|
||||
elements exist */
|
||||
|
||||
while (stretch_ratio_total > 0) { // first of all, don't even be here if no stretchable objects exist
|
||||
bool refit_successful = true; //assume refit-test will go well
|
||||
|
||||
for (int i = 0; i < get_child_count(); i++) {
|
||||
Control *c = Object::cast_to<Control>(get_child(i));
|
||||
if (!c || !c->is_visible_in_tree()) {
|
||||
continue;
|
||||
}
|
||||
if (c->is_set_as_top_level()) {
|
||||
continue;
|
||||
}
|
||||
|
||||
ERR_FAIL_COND(!min_size_cache.has(c));
|
||||
_MinSizeCache &msc = min_size_cache[c];
|
||||
|
||||
if (msc.will_stretch) { //wants to stretch
|
||||
//let's see if it can really stretch
|
||||
|
||||
int final_pixel_size = stretch_avail * c->get_stretch_ratio() / stretch_ratio_total;
|
||||
if (final_pixel_size < msc.min_size) {
|
||||
//if available stretching area is too small for widget,
|
||||
//then remove it from stretching area
|
||||
msc.will_stretch = false;
|
||||
stretch_ratio_total -= c->get_stretch_ratio();
|
||||
refit_successful = false;
|
||||
stretch_avail -= msc.min_size;
|
||||
msc.final_size = msc.min_size;
|
||||
break;
|
||||
} else {
|
||||
msc.final_size = final_pixel_size;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (refit_successful) { //uf refit went well, break
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/** Final pass, draw and stretch elements **/
|
||||
|
||||
int ofs = sb->get_margin(SIDE_TOP);
|
||||
|
||||
first = true;
|
||||
int idx = 0;
|
||||
cache_y.clear();
|
||||
int w = new_size.width - sb->get_minimum_size().x;
|
||||
|
||||
for (int i = 0; i < get_child_count(); i++) {
|
||||
Control *c = Object::cast_to<Control>(get_child(i));
|
||||
if (!c || !c->is_visible_in_tree()) {
|
||||
continue;
|
||||
}
|
||||
if (c->is_set_as_top_level()) {
|
||||
continue;
|
||||
}
|
||||
|
||||
_MinSizeCache &msc = min_size_cache[c];
|
||||
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
minsize.y += sep;
|
||||
}
|
||||
}
|
||||
|
||||
int vofs = 0;
|
||||
int w = get_size().x - sb->get_minimum_size().x;
|
||||
|
||||
cache_y.clear();
|
||||
for (int i = 0; i < get_child_count(); i++) {
|
||||
Control *c = Object::cast_to<Control>(get_child(i));
|
||||
if (!c) {
|
||||
continue;
|
||||
}
|
||||
if (c->is_set_as_top_level()) {
|
||||
continue;
|
||||
ofs += sep;
|
||||
}
|
||||
|
||||
Size2i size = c->get_combined_minimum_size();
|
||||
int from = ofs;
|
||||
int to = ofs + msc.final_size;
|
||||
|
||||
Rect2 r(sb->get_margin(SIDE_LEFT), sb->get_margin(SIDE_TOP) + vofs, w, size.y);
|
||||
if (msc.will_stretch && idx == children_count - 1) {
|
||||
//adjust so the last one always fits perfect
|
||||
//compensating for numerical imprecision
|
||||
|
||||
fit_child_in_rect(c, r);
|
||||
cache_y.push_back(vofs + size.y * 0.5);
|
||||
to = new_size.height - sb->get_margin(SIDE_BOTTOM);
|
||||
}
|
||||
|
||||
vofs += size.y + sep;
|
||||
int size = to - from;
|
||||
|
||||
Rect2 rect(sb->get_margin(SIDE_LEFT), from, w, size);
|
||||
|
||||
fit_child_in_rect(c, rect);
|
||||
cache_y.push_back(from - sb->get_margin(SIDE_TOP) + size * 0.5);
|
||||
|
||||
ofs = to;
|
||||
idx++;
|
||||
}
|
||||
|
||||
update();
|
||||
|
|
|
|||
Loading…
Reference in New Issue