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examples/HelloInput/main.cpp

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+/*
+Crafter®.Graphics
+Copyright (C) 2025 Catcrafts®
+Catcrafts.net
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 3.0 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+*/
+
+#include <iostream>
+#include <format>
+
+import Crafter.Graphics;
+//Needed for events
+import Crafter.Event;
+using namespace Crafter;
+
+int main() {
+    // Create a Wayland window named "HelloWindow" with resolution 1280x720
+    // (window creation explained in HelloWindow example)
+    WindowWaylandWayland window("HelloWindow", 1280, 720);
+    
+    // Listen for left mouse click events on the window
+    // The callback receives the MousePoint struct containing the click coordinates in float pixels from the top left corner
+    EventListener<MousePoint> clickListener(&window.onMouseLeftClick, [](MousePoint point){
+        // Print the coordinates where the user clicked
+        std::cout << std::format("Clicked on X:{} Y:{}!", point.x, point.y) << std::endl;
+    });
+
+    // Listen specifically for the 'a' key being pressed down
+    // The callback takes no parameters since the key is fixed
+    EventListener<void> keyAListener(&window.onKeyDown['a'], [](){
+        // Print confirmation of 'a' key press
+        std::cout << std::format("Pressed specifically the a key!") << std::endl;
+    });
+
+    // Listen for any key press on the window
+    // The callback receives the character of the key pressed
+    EventListener<char> anyKeyListener(&window.onAnyKeyDown, [](char key){
+        // Print which key was pressed
+        std::cout << std::format("Pressed the {} key!", key) << std::endl;
+    });
+
+    // Start the window event loop, unless the window is started events will not trigger.
+    window.StartSync();
+}