Moved some platforms functions to generic rcore #3313

Reviewed `InitWindow()` to clearly note platform specific code

src/rcore_drm.c

@@ -215,6 +215,9 @@ void InitWindow(int width, int height, const char *title)
     CORE.Input.Gamepad.lastButtonPressed = 0; // GAMEPAD_BUTTON_UNKNOWN
     CORE.Window.eventWaiting = false;
 
+
+    // Platform specific init window
+    //--------------------------------------------------------------
     // Initialize graphics device (display device and OpenGL context)
     // NOTE: returns true if window and graphic device has been initialized successfully
     CORE.Window.ready = InitGraphicsDevice(width, height);
@@ -223,15 +226,28 @@ void InitWindow(int width, int height, const char *title)
     if (!CORE.Window.ready) { TRACELOG(LOG_FATAL, "PLATFORM: Failed to initialize graphic device"); return; }
     else SetWindowPosition(GetMonitorWidth(GetCurrentMonitor()) / 2 - CORE.Window.screen.width / 2, GetMonitorHeight(GetCurrentMonitor()) / 2 - CORE.Window.screen.height / 2);
 
+    // Set some default window flags
+    CORE.Window.flags &= ~FLAG_WINDOW_HIDDEN;       // false
+    CORE.Window.flags &= ~FLAG_WINDOW_MINIMIZED);   // false
+    CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED);    // true
+    CORE.Window.flags &= ~FLAG_WINDOW_UNFOCUSED);   // false
+    
     // Initialize hi-res timer
     InitTimer();
+    
+    // Initialize base path for storage
+    CORE.Storage.basePath = GetWorkingDirectory();
+    
+    // Initialize raw input system
+    InitEvdevInput(); // Evdev inputs initialization
+    InitGamepad();    // Gamepad init
+    InitKeyboard();   // Keyboard init (stdin)
+    //--------------------------------------------------------------
+
 
     // Initialize random seed
     SetRandomSeed((unsigned int)time(NULL));
 
-    // Initialize base path for storage
-    CORE.Storage.basePath = GetWorkingDirectory();
-
 #if defined(SUPPORT_MODULE_RTEXT) && defined(SUPPORT_DEFAULT_FONT)
     // Load default font
     // WARNING: External function: Module required: rtext
@@ -274,14 +290,6 @@ void InitWindow(int width, int height, const char *title)
     CORE.Time.frameCounter = 0;
 #endif
 
-    // Platform specific init window
-    //--------------------------------------------------------------
-    // Initialize raw input system
-    InitEvdevInput(); // Evdev inputs initialization
-    InitGamepad();    // Gamepad init
-    InitKeyboard();   // Keyboard init (stdin)
-    //--------------------------------------------------------------
-
     TRACELOG(LOG_INFO, "PLATFORM: DRM: Application initialized successfully");
 }
 
@@ -412,36 +420,6 @@ bool WindowShouldClose(void)
     else return true;
 }
 
-// Check if window is currently hidden
-bool IsWindowHidden(void)
-{
-    return false;
-}
-
-// Check if window has been minimized
-bool IsWindowMinimized(void)
-{
-    return false;
-}
-
-// Check if window has been maximized
-bool IsWindowMaximized(void)
-{
-    return false;
-}
-
-// Check if window has the focus
-bool IsWindowFocused(void)
-{
-    return true;
-}
-
-// Check if window has been resizedLastFrame
-bool IsWindowResized(void)
-{
-    return false;
-}
-
 // Toggle fullscreen mode
 void ToggleFullscreen(void)
 {