149 lines
3.4 KiB
149 lines
3.4 KiB
#include "sfml/components.hpp"
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#include "sfml/sound.hpp"
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#include "sfml/shaders.hpp"
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#include "sfml/textures.hpp"
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#include "guecs.hpp"
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#include "constants.hpp"
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#include <fmt/xchar.h>
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constexpr const int WINDOW_WIDTH=300;
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constexpr const int WINDOW_HEIGHT=400;
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using std::string, std::wstring;
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const std::unordered_map<string, wstring> LABELS {
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{"readout", L""}, {"clear", L"CLR"}, {"btn0", L"0"}, {"btn1", L"1"},
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{"btn2", L"2"}, {"btn3", L"3"}, {"btn4", L"4"},
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{"btn5", L"5"}, {"btn6", L"6"}, {"btn7", L"7"},
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{"btn8", L"8"}, {"btn9", L"9"}, {"mult", L"*"},
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{"minus", L"-"}, {"plus", L"+"}, {"neg", L"!"},
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{"dot", L"."}, {"eq", L"="}
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};
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struct Calculator {
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guecs::UI $gui;
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wstring $input;
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double $value = 0.0;
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Calculator() {
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$gui.position(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
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$gui.layout(
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"[*%(400)readout|_|_|_|clear]"
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"[btn7|btn8|btn9|mult]"
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"[btn4|btn5|btn6|minus]"
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"[btn1|btn2|btn3|plus]"
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"[neg|btn0|dot|eq]");
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}
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void init() {
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$gui.set<guecs::Background>($gui.MAIN, {});
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for(auto& [name, cell] : $gui.cells()) {
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auto id = $gui.entity(name);
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auto& label = LABELS.at(name);
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$gui.set<guecs::Rectangle>(id, {});
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$gui.set<guecs::Effect>(id, {});
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if(name == "readout") {
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$gui.set<guecs::Textual>(id, {L"", 40});
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} else {
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$gui.set<guecs::Label>(id, { label });
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$gui.set<guecs::Clickable>(id, {
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[&, name](auto, auto) { handle_button(label[0]); }
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});
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}
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}
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$gui.init();
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}
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void render(sf::RenderWindow& window) {
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$gui.render(window);
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// $gui.debug_layout(window);
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}
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void mouse(float x, float y, bool hover) {
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$gui.mouse(x, y, hover);
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}
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void handle_button(wchar_t op) {
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switch(op) {
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case L'0':
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case L'1':
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case L'2':
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case L'3':
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case L'4':
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case L'5':
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case L'6':
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case L'7':
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case L'8':
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case L'9':
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case L'.':
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if($input.size() <= 10) {
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$input += op;
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}
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break;
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case L'*':
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$value = $value * std::stof($input);
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$input = L"";
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break;
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case L'-':
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$value = $value - std::stof($input);
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$input = L"";
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break;
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case L'+':
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$value = $value + std::stof($input);
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$input = L"";
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break;
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case L'!':
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$value = $value * -1.0;
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$input = L"";
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break;
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case L'=':
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$input = fmt::format(L"{}", $value);
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$value = 0.0;
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break;
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case L'C':
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$input = L"";
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break;
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}
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auto readout = $gui.entity("readout");
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auto& label = $gui.get<guecs::Textual>(readout);
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label.update($input);
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}
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};
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int main() {
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sound::init();
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shaders::init();
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textures::init();
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sf::RenderWindow window(sf::VideoMode({WINDOW_WIDTH, WINDOW_HEIGHT}), "LEL-GUECS Calculator");
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window.setFramerateLimit(FRAME_LIMIT);
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window.setVerticalSyncEnabled(VSYNC);
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Calculator calc;
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calc.init();
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while(window.isOpen()) {
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while (const auto event = window.pollEvent()) {
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if(event->is<sf::Event::Closed>()) {
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window.close();
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}
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if(const auto* mouse = event->getIf<sf::Event::MouseButtonPressed>()) {
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if(mouse->button == sf::Mouse::Button::Left) {
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sf::Vector2f pos = window.mapPixelToCoords(mouse->position);
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calc.mouse(pos.x, pos.y, false);
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}
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}
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}
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calc.render(window);
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window.display();
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}
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}
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