2023-11-16 11:11:52 +03:00

160 lines
4.5 KiB
C++

#include "panels.h"
#include "../../window/Window.h"
#include "../../assets/Assets.h"
#include "../../graphics/Batch2D.h"
using std::shared_ptr;
using gui::UINode;
using gui::Container;
using gui::Panel;
using gui::Orientation;
using glm::vec2;
using glm::vec4;
Container::Container(vec2 coord, vec2 size) : UINode(coord, size) {
}
shared_ptr<UINode> Container::getAt(vec2 pos, shared_ptr<UINode> self) {
for (auto node : nodes) {
if (!node->visible())
continue;
auto hover = node->getAt(pos, node);
if (hover != nullptr) {
return hover;
}
}
return UINode::getAt(pos, self);
}
void Container::act(float delta) {
for (IntervalEvent& event : intervalEvents) {
event.timer += delta;
if (event.timer > event.interval) {
event.callback();
event.timer = fmod(event.timer, event.interval);
}
}
for (auto node : nodes) {
if (node->visible())
node->act(delta);
}
}
void Container::draw(Batch2D* batch, Assets* assets) {
vec2 coord = calcCoord();
vec2 size = this->size();
drawBackground(batch, assets);
batch->texture(nullptr);
batch->render();
Window::pushScissor(vec4(coord.x, coord.y, size.x, size.y));
for (auto node : nodes) {
if (node->visible())
node->draw(batch, assets);
}
batch->render();
Window::popScissor();
}
void Container::add(shared_ptr<UINode> node) {
nodes.push_back(node);
node->setParent(this);
refresh();
}
void Container::remove(shared_ptr<UINode> selected) {
selected->setParent(nullptr);
nodes.erase(std::remove_if(nodes.begin(), nodes.end(), [selected](const shared_ptr<UINode> node) {
return node == selected;
}), nodes.end());
refresh();
}
void Container::listenInterval(float interval, ontimeout callback) {
intervalEvents.push_back({callback, interval, 0.0f});
}
Panel::Panel(vec2 size, glm::vec4 padding, float interval, bool resizing)
: Container(vec2(), size), padding(padding), interval(interval), resizing_(resizing) {
color_ = vec4(0.0f, 0.0f, 0.0f, 0.75f);
}
Panel::~Panel() {
}
void Panel::drawBackground(Batch2D* batch, Assets* assets) {
vec2 coord = calcCoord();
batch->texture(nullptr);
batch->color = color_;
batch->rect(coord.x, coord.y, size_.x, size_.y);
}
void Panel::refresh() {
float x = padding.x;
float y = padding.y;
vec2 size = this->size();
if (orientation_ == Orientation::vertical) {
float maxw = size.x;
for (auto& node : nodes) {
vec2 nodesize = node->size();
const vec4 margin = node->margin();
y += margin.y;
float ex;
switch (node->align()) {
case Align::center:
ex = x + fmax(0.0f, (size.x - margin.z - padding.z) - node->size().x) / 2.0f;
break;
case Align::right:
ex = x + size.x - margin.z - padding.z - node->size().x;
break;
default:
ex = x + margin.x;
}
node->setCoord(vec2(ex, y));
y += nodesize.y + margin.w + interval;
float width = size.x - padding.x - padding.z - margin.x - margin.z;
node->size(vec2(width, nodesize.y));
maxw = fmax(maxw, ex+node->size().x+margin.z+padding.z);
}
if (resizing_)
this->size(vec2(size.x, y+padding.w));
} else {
float maxh = size.y;
for (auto& node : nodes) {
vec2 nodesize = node->size();
const vec4 margin = node->margin();
x += margin.x;
node->setCoord(vec2(x, y+margin.y));
x += nodesize.x + margin.z + interval;
float height = size.y - padding.y - padding.w - margin.y - margin.w;
node->size(vec2(nodesize.x, height));
maxh = fmax(maxh, y+margin.y+node->size().y+margin.w+padding.w);
}
bool increased = maxh > size.y;
if (resizing_)
this->size(vec2(x+padding.z, size.y));
if (increased)
refresh();
}
}
void Panel::orientation(Orientation orientation) {
this->orientation_ = orientation;
}
Orientation Panel::orientation() const {
return orientation_;
}
void Panel::lock(){
for (auto node : nodes) {
node->lock();
}
resizing_ = false;
}