It can now display full screen on any monitor, but I need to have a second control window so I can always move it around even if it goes off screen.

main.cpp

@@ -11,12 +11,12 @@
 #include <fstream>
 #include <iostream>
 
-int WINDOW_WIDTH=1280;
-int WINDOW_HEIGHT=720;
+constexpr const int WINDOW_WIDTH=1920;
+constexpr const int WINDOW_HEIGHT=1080;
 constexpr const int FRAME_LIMIT=60;
 constexpr const bool VSYNC=true;
-constexpr const int TITLE_SIZE=84;
-constexpr const int CONTENT_SIZE=56;
+constexpr const int TITLE_SIZE=124;
+constexpr const int CONTENT_SIZE=94;
 
 using std::string, std::wstring, std::shared_ptr, std::make_shared;
 using nlohmann::json;
@@ -49,13 +49,13 @@ struct Slide {
           "[_|_|_]");
 
       auto title = $gui.entity("title");
-      $gui.set<guecs::Text>(title, {
-          $title, TITLE_SIZE});
+      $gui.set<guecs::Text>(title, {$title, TITLE_SIZE});
 
       auto content = $gui.entity("content");
       $gui.set<guecs::Text>(content, {
           $content,
-          CONTENT_SIZE, guecs::THEME.TEXT_COLOR, 20});
+          CONTENT_SIZE,
+          guecs::THEME.TEXT_COLOR, 20});
 
       $gui.init();
     }
@@ -158,6 +158,45 @@ struct SlidesUI {
   }
 };
 
+struct ControlUI {
+  guecs::UI $gui;
+  guecs::Text* $status;
+  sf::RenderWindow& $presenter;
+
+  ControlUI(sf::RenderWindow& presenter) :
+    $presenter(presenter)
+  {
+    $gui.position(0, 0, 400, 400);
+    $gui.layout(
+        "[status]"
+        "[docs]"
+        );
+  }
+
+  void init() {
+    auto status_id = $gui.entity("status");
+    $gui.set<guecs::Text>(status_id, {L""});
+
+    auto docs_id = $gui.entity("docs");
+    $gui.set<guecs::Text>(docs_id, {L"A: win left\nD: win right\nQ: quit"});
+
+    $status = $gui.get_if<guecs::Text>(status_id);
+
+    $gui.init();
+  }
+
+  void render(sf::RenderWindow& window) {
+    auto pos = $presenter.getPosition();
+    auto size = $presenter.getSize();
+
+    $status->update(fmt::format(L"pos={},{}\nsize={},{}",
+          pos.x, pos.y, size.x, size.y));
+
+    window.clear();
+    $gui.render(window);
+  }
+};
+
 
 shared_ptr<SlideDeck> parse_slides(const string& md_file) {
   shared_ptr<SlideDeck> slides = make_shared<SlideDeck>();
@@ -209,32 +248,37 @@ shared_ptr<SlideDeck> parse_slides(const string& md_file) {
 }
 
 int main(int argc, char *argv[]) {
-
-  dbc::check(argc == 2, "USAGE: besos my_fucking_slides.md");
+  dbc::check(argc >= 2, "USAGE: besos <monitor_count> my_fucking_slides.md");
 
   sfml::Backend backend;
   guecs::init(&backend);
 
   auto& modes = sf::VideoMode::getFullscreenModes();
-  WINDOW_WIDTH = modes[1].size.x;
-  WINDOW_HEIGHT = modes[1].size.y;
+  auto screen_mode = std::find_if(modes.begin(), modes.end(), [=](const auto& a) -> bool {
+      return a.size.x == WINDOW_WIDTH && a.size.y == WINDOW_HEIGHT;
+  });
+
+  sf::RenderWindow controller(sf::VideoMode({400,400}), "Besos Loves Control");
 
-  sf::RenderWindow window(modes[1], "Besos Loves Slides", sf::Style::None);
-  window.setFramerateLimit(FRAME_LIMIT);
-  window.setVerticalSyncEnabled(VSYNC);
+  sf::RenderWindow presenter(*screen_mode,
+      "Besos Loves Slides", sf::Style::None, sf::State::Windowed);
+
+  presenter.setFramerateLimit(FRAME_LIMIT);
+  presenter.setVerticalSyncEnabled(VSYNC);
+
+  int monitor_count = argc == 3 ? atoi(argv[1]) : 1;
+  auto data = argc == 3 ? parse_slides(argv[2]) : parse_slides(argv[1]);
 
-  auto data = parse_slides(argv[1]);
   SlidesUI slides(data);
   slides.init();
 
-  while(window.isOpen()) {
-    while (const auto event = window.pollEvent()) {
-      if(event->is<sf::Event::Closed>()) {
-        window.close();
-      }
+  ControlUI control_ui(presenter);
+  control_ui.init();
 
+  while(controller.isOpen()) {
+    while (const auto event = presenter.pollEvent()) {
       if(const auto* mouse = event->getIf<sf::Event::MouseButtonPressed>()) {
-        sf::Vector2f pos = window.mapPixelToCoords(mouse->position);
+        sf::Vector2f pos = presenter.mapPixelToCoords(mouse->position);
 
         if(mouse->button == sf::Mouse::Button::Left) {
           slides.mouse(pos.x, pos.y, {1 << guecs::ModBit::left});
@@ -244,7 +288,41 @@ int main(int argc, char *argv[]) {
       }
     }
 
-    slides.render(window);
-    window.display();
+    while (const auto event = controller.pollEvent()) {
+      if(event->is<sf::Event::Closed>()) {
+        controller.close();
+      }
+
+      if(const auto* key = event->getIf<sf::Event::KeyPressed>()) {
+        auto pos = presenter.getPosition();
+        auto size = presenter.getSize();
+
+        using KEY = sf::Keyboard::Scan;
+        switch(key->scancode) {
+          case KEY::A:
+            if(true) {
+              pos.x -= size.x;
+              presenter.setPosition(pos);
+            } break;
+          case KEY::D:
+            if(pos.x < int(size.x) * monitor_count) {
+              pos.x += int(size.x);
+              presenter.setPosition(pos);
+            } break;
+          case KEY::Q:
+            controller.close();
+            break;
+          default:
+            break;
+        }
+
+        fmt::println("window pos: {},{}", pos.x, pos.y);
+      }
+    }
+
+    slides.render(presenter);
+    control_ui.render(controller);
+    presenter.display();
+    controller.display();
   }
 }