First cut of a basic calculator UI example.

main
Zed A. Shaw 4 days ago
parent 74f5652842
commit f8b9c88e2c
  1. 12
      assets/shaders.json
  2. 4
      constants.hpp
  3. 64
      demos/calc.cpp
  4. 5
      guecs.cpp
  5. 4
      guecs.hpp

@ -6,17 +6,5 @@
"ERROR": {
"file_name": "assets/shaders/ui_error.frag",
"type": "fragment"
},
"rayview_sprites": {
"file_name": "assets/shaders/rayview_sprites.frag",
"type": "fragment"
},
"flame": {
"file_name": "assets/shaders/flame_trash.frag",
"type": "fragment"
},
"lightning": {
"file_name": "assets/shaders/lightning_attack.frag",
"type": "fragment"
}
}

@ -3,15 +3,11 @@
#include <string>
#include <array>
constexpr const int TEXTURE_WIDTH=256;
constexpr const int TEXTURE_HEIGHT=256;
constexpr const int SCREEN_WIDTH=1280;
constexpr const int SCREEN_HEIGHT=720;
constexpr const bool VSYNC=false;
constexpr const int FRAME_LIMIT=60;
constexpr const int NUM_SPRITES=1;
constexpr const int MAX_LOG_MESSAGES=17;
#ifdef NDEBUG
constexpr const bool DEBUG_BUILD=false;

@ -3,6 +3,48 @@
#include "sfml/shaders.hpp"
#include "sfml/textures.hpp"
#include "guecs.hpp"
#include "constants.hpp"
constexpr const int WINDOW_WIDTH=300;
constexpr const int WINDOW_HEIGHT=400;
struct Calculator {
guecs::UI $gui;
Calculator() {
$gui.position(0, 0, WINDOW_WIDTH, WINDOW_HEIGHT);
$gui.layout(
"[readout]"
"[btn7|btn8|btn9|mult]"
"[btn4|btn5|btn6|minus]"
"[btn1|btn2|btn3|plus]"
"[neg|btn0|dot|eq]");
}
void init() {
$gui.set<guecs::Background>($gui.MAIN, {});
for(auto& [name, cell] : $gui.cells()) {
auto id = $gui.entity(name);
$gui.set<guecs::Rectangle>(id, {});
$gui.set<guecs::Label>(id, {guecs::to_wstring(name)});
$gui.set<guecs::Clickable>(id, {
[=](auto, auto) { fmt::println("clicked {}", name); }
});
}
$gui.init();
}
void render(sf::RenderWindow& window) {
$gui.render(window);
// $gui.debug_layout(window);
}
void mouse(float x, float y, bool hover) {
$gui.mouse(x, y, hover);
}
};
int main() {
@ -10,6 +52,28 @@ int main() {
shaders::init();
textures::init();
sf::RenderWindow window(sf::VideoMode({WINDOW_WIDTH, WINDOW_HEIGHT}), "LEL-GUECS Calculator");
window.setFramerateLimit(FRAME_LIMIT);
window.setVerticalSyncEnabled(VSYNC);
Calculator calc;
calc.init();
while(window.isOpen()) {
while (const auto event = window.pollEvent()) {
if(event->is<sf::Event::Closed>()) {
window.close();
}
if(const auto* mouse = event->getIf<sf::Event::MouseButtonPressed>()) {
if(mouse->button == sf::Mouse::Button::Left) {
sf::Vector2f pos = window.mapPixelToCoords(mouse->position);
calc.mouse(pos.x, pos.y, false);
}
}
}
calc.render(window);
window.display();
}
}

@ -220,4 +220,9 @@ namespace guecs {
set<Label>(ent, to_set);
}
}
wstring to_wstring(const string& str) {
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> $converter;
return $converter.from_bytes(str);
}
}

@ -226,4 +226,8 @@ namespace guecs {
void show_text(const string& region, const wstring& content);
void show_label(const string& region, const wstring& content);
};
wstring to_wstring(const string& str);
}

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