Initial Cross Platform Work

backends/desktop/source/pd_hid_glfw.cpp

@@ -0,0 +1,33 @@
+#include <pd_hid_glfw.hpp>
+
+namespace PD {
+PD_BKND_DESKTOP_API HidGLFW::HidGLFW(GLFWwindow* win) : Hid("GLFW") {
+  Window = win;
+  binds[GLFW_MOUSE_BUTTON_LEFT] = Touch;
+}
+PD_BKND_DESKTOP_API void HidGLFW::Update() {
+  for (int i = 0; i < 2; i++) {
+    key_events[i][Event_Down] = 0;
+    key_events[i][Event_Held] = 0;
+    key_events[i][Event_Up] = 0;
+  }
+  int state = glfwGetMouseButton(Window, GLFW_MOUSE_BUTTON_LEFT);
+  if (state == GLFW_PRESS) {
+    if (PrevState == GLFW_RELEASE) {
+      key_events[0][Event_Down] |= Touch;
+    }
+    key_events[0][Event_Held] |= Touch;
+  } else if (state == GLFW_RELEASE && PrevState == GLFW_PRESS) {
+    key_events[0][Event_Up] |= Touch;
+  }
+
+  PrevState = state;
+  if (locked) {
+    SwappyTable();
+  }
+  double x, y;
+  glfwGetCursorPos(Window, &x, &y);
+  touch[1] = touch[0];  // Cycle touch pos
+  touch[0] = fvec2(x, y);
+}
+}  // namespace PD