cell-sdl3/video.c

#include "cell.h"

#include <SDL3/SDL.h>
#include <SDL3/SDL_gpu.h>
#include <SDL3/SDL_error.h>
#include <SDL3/SDL_properties.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "sdl.h"

// SDL Window free function
void SDL_Window_free(JSRuntime *rt, SDL_Window *w)
{
  SDL_DestroyWindow(w);
}

QJSCLASS(SDL_Window,)

void SDL_Cursor_free(JSRuntime *rt, SDL_Cursor *c)
{
  SDL_DestroyCursor(c);
}

QJSCLASS(SDL_Cursor,)

// Forward declarations for blend mode helpers
static JSValue blendmode2js(JSContext *js, SDL_BlendMode mode);
static SDL_BlendMode js2blendmode(JSContext *js, JSValue v);

// Window constructor function
static JSValue js_SDL_Window_constructor(JSContext *js, JSValueConst new_target, int argc, JSValueConst *argv)
{
  if (argc < 1 || !JS_IsObject(argv[0]))
    return JS_ThrowTypeError(js, "Window constructor requires an object argument");
  
  JSValue opts = argv[0];
  
  // Get basic properties (defaults are handled in JavaScript)
  const char *title = NULL;
  JSValue title_val = JS_GetPropertyStr(js, opts, "title");
  if (!JS_IsNull(title_val)) {
    title = JS_ToCString(js, title_val);
  }
  JS_FreeValue(js, title_val);
  
  if (!title) {
    return JS_ThrowTypeError(js, "Window title is required");
  }
  
  int width = 640;
  JSValue width_val = JS_GetPropertyStr(js, opts, "width");
  if (!JS_IsNull(width_val)) {
    width = js2number(js, width_val);
  }
  JS_FreeValue(js, width_val);
  
  int height = 480;
  JSValue height_val = JS_GetPropertyStr(js, opts, "height");
  if (!JS_IsNull(height_val)) {
    height = js2number(js, height_val);
  }
  JS_FreeValue(js, height_val);
  
  // Create SDL properties object
  SDL_PropertiesID props = SDL_CreateProperties();
  
  // Always set basic properties
  SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_WIDTH_NUMBER, width);
  SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_HEIGHT_NUMBER, height);
  SDL_SetStringProperty(props, SDL_PROP_WINDOW_CREATE_TITLE_STRING, title);
  
  // Handle window position
  JSValue x_val = JS_GetPropertyStr(js, opts, "x");
  if (!JS_IsNull(x_val)) {
    if (JS_IsString(x_val)) {
      const char *pos = JS_ToCString(js, x_val);
      if (strcmp(pos, "centered") == 0) 
        SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, SDL_WINDOWPOS_CENTERED);
      else
        SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, SDL_WINDOWPOS_UNDEFINED);
      JS_FreeCString(js, pos);
    } else {
      SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_X_NUMBER, js2number(js, x_val));
    }
  }
  JS_FreeValue(js, x_val);
  
  JSValue y_val = JS_GetPropertyStr(js, opts, "y");
  if (!JS_IsNull(y_val)) {
    if (JS_IsString(y_val)) {
      const char *pos = JS_ToCString(js, y_val);
      if (strcmp(pos, "centered") == 0) 
        SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, SDL_WINDOWPOS_CENTERED);
      else
        SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, SDL_WINDOWPOS_UNDEFINED);
      JS_FreeCString(js, pos);
    } else {
      SDL_SetNumberProperty(props, SDL_PROP_WINDOW_CREATE_Y_NUMBER, js2number(js, y_val));
    }
  }
  JS_FreeValue(js, y_val);
  
  // Helper function to check and set boolean properties
  #define SET_BOOL_PROP(js_name, sdl_prop) do { \
    JSValue val = JS_GetPropertyStr(js, opts, js_name); \
    if (!JS_IsNull(val)) { \
      SDL_SetBooleanProperty(props, sdl_prop, JS_ToBool(js, val)); \
    } \
    JS_FreeValue(js, val); \
  } while(0)
  
  // Set all boolean properties directly on the SDL properties object
  SET_BOOL_PROP("resizable", SDL_PROP_WINDOW_CREATE_RESIZABLE_BOOLEAN);
  SET_BOOL_PROP("fullscreen", SDL_PROP_WINDOW_CREATE_FULLSCREEN_BOOLEAN);
  SET_BOOL_PROP("hidden", SDL_PROP_WINDOW_CREATE_HIDDEN_BOOLEAN);
  SET_BOOL_PROP("borderless", SDL_PROP_WINDOW_CREATE_BORDERLESS_BOOLEAN);
  SET_BOOL_PROP("alwaysOnTop", SDL_PROP_WINDOW_CREATE_ALWAYS_ON_TOP_BOOLEAN);
  SET_BOOL_PROP("minimized", SDL_PROP_WINDOW_CREATE_MINIMIZED_BOOLEAN);
  SET_BOOL_PROP("maximized", SDL_PROP_WINDOW_CREATE_MAXIMIZED_BOOLEAN);
  SET_BOOL_PROP("mouseGrabbed", SDL_PROP_WINDOW_CREATE_MOUSE_GRABBED_BOOLEAN);
  SET_BOOL_PROP("highPixelDensity", SDL_PROP_WINDOW_CREATE_HIGH_PIXEL_DENSITY_BOOLEAN);
  SET_BOOL_PROP("transparent", SDL_PROP_WINDOW_CREATE_TRANSPARENT_BOOLEAN);
  SET_BOOL_PROP("utility", SDL_PROP_WINDOW_CREATE_UTILITY_BOOLEAN);
  SET_BOOL_PROP("tooltip", SDL_PROP_WINDOW_CREATE_TOOLTIP_BOOLEAN);
  SET_BOOL_PROP("popupMenu", SDL_PROP_WINDOW_CREATE_MENU_BOOLEAN);
  SET_BOOL_PROP("opengl", SDL_PROP_WINDOW_CREATE_OPENGL_BOOLEAN);
  SET_BOOL_PROP("vulkan", SDL_PROP_WINDOW_CREATE_VULKAN_BOOLEAN);
  SET_BOOL_PROP("metal", SDL_PROP_WINDOW_CREATE_METAL_BOOLEAN);
  SET_BOOL_PROP("modal", SDL_PROP_WINDOW_CREATE_MODAL_BOOLEAN);
  SET_BOOL_PROP("externalGraphicsContext", SDL_PROP_WINDOW_CREATE_EXTERNAL_GRAPHICS_CONTEXT_BOOLEAN);
  
  // Handle focusable (inverse logic)
  JSValue focusable_val = JS_GetPropertyStr(js, opts, "focusable");
  if (!JS_IsNull(focusable_val)) {
    SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_FOCUSABLE_BOOLEAN, JS_ToBool(js, focusable_val));
  }
  JS_FreeValue(js, focusable_val);
  
  // Handle notFocusable (for backwards compatibility)
  JSValue not_focusable_val = JS_GetPropertyStr(js, opts, "notFocusable");
  if (!JS_IsNull(not_focusable_val)) {
    SDL_SetBooleanProperty(props, SDL_PROP_WINDOW_CREATE_FOCUSABLE_BOOLEAN, !JS_ToBool(js, not_focusable_val));
  }
  JS_FreeValue(js, not_focusable_val);
  
  #undef SET_BOOL_PROP
  
  // Handle parent window
  JSValue parent_val = JS_GetPropertyStr(js, opts, "parent");
  if (!JS_IsNull(parent_val)) {
    SDL_Window *parent = js2SDL_Window(js, parent_val);
    if (parent) {
      SDL_SetPointerProperty(props, SDL_PROP_WINDOW_CREATE_PARENT_POINTER, parent);
    }
  }
  JS_FreeValue(js, parent_val);
  
  // Create window with properties
  SDL_Window *window = SDL_CreateWindowWithProperties(props);
  SDL_DestroyProperties(props);
  
  // Always free the title string since we allocated it
  if (title) {
    JS_FreeCString(js, title);
  }
  
  if (!window) {
    return JS_ThrowReferenceError(js, "Failed to create window: %s", SDL_GetError());
  }
  
  // Create the window JS object
  JSValue window_obj = SDL_Window2js(js, window);
  
  // Set additional properties that can't be set during creation
  // These will be applied through the property setters
  
  JSValue opacity_val = JS_GetPropertyStr(js, opts, "opacity");
  if (!JS_IsNull(opacity_val)) {
    JS_SetPropertyStr(js, window_obj, "opacity", opacity_val);
  }
  
  JSValue min_size_val = JS_GetPropertyStr(js, opts, "minimumSize");
  if (!JS_IsNull(min_size_val)) {
    JS_SetPropertyStr(js, window_obj, "minimumSize", min_size_val);
  }
  
  JSValue max_size_val = JS_GetPropertyStr(js, opts, "maximumSize");
  if (!JS_IsNull(max_size_val)) {
    JS_SetPropertyStr(js, window_obj, "maximumSize", max_size_val);
  }
  
  JSValue pos_val = JS_GetPropertyStr(js, opts, "position");
  if (!JS_IsNull(pos_val)) {
    JS_SetPropertyStr(js, window_obj, "position", pos_val);
  }
  
  // Handle text input
  JSValue text_input = JS_GetPropertyStr(js, opts, "textInput");
  if (JS_ToBool(js, text_input)) {
//    SDL_StartTextInput(window);
  }
  JS_FreeValue(js, text_input);
  
  printf("created window %p\n", window);
  
  return window_obj;
}

JSC_CCALL(SDL_Window_fullscreen,
  SDL_SetWindowFullscreen(js2SDL_Window(js,self), SDL_WINDOW_FULLSCREEN)
)

JSValue js_SDL_Window_keyboard_shown(JSContext *js, JSValue self, int argc, JSValue *argv) {
  SDL_Window *window = js2SDL_Window(js,self);
  return JS_NewBool(js,SDL_ScreenKeyboardShown(window));
}

JSValue js_window_theme(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  return JS_NULL;
}

JSValue js_window_safe_area(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_Rect r;
  SDL_GetWindowSafeArea(w, &r);
  rect newr;
  SDL_RectToFRect(&r, &newr);
  return rect2js(js,newr);
}

JSValue js_window_bordered(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowBordered(w, JS_ToBool(js,argv[0]));
  return JS_NULL;
}

JSValue js_window_get_title(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  const char *title = SDL_GetWindowTitle(w);
  return JS_NewString(js,title);
}

JSValue js_window_set_title(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  const char *title = JS_ToCString(js,val);
  SDL_SetWindowTitle(w,title);
  JS_FreeCString(js,title);
  return JS_NULL;
}

JSValue js_window_get_size(JSContext *js, JSValue self)
{
  SDL_Window *win = js2SDL_Window(js,self);
  int w, h;
  SDL_GetWindowSize(win, &w, &h);
  return vec22js(js, (vec2){w,h});
}

JSValue js_window_set_size(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  vec2 size = js2vec2(js,val);
  SDL_SetWindowSize(w,size.x,size.y);
  return JS_NULL;
}

JSValue js_window_set_icon(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_Surface *s = js2SDL_Surface(js,argv[0]);
  if (!SDL_SetWindowIcon(w,s))
    return JS_ThrowReferenceError(js, "could not set window icon: %s", SDL_GetError());
  return JS_NULL;
}

// Position getter/setter
JSValue js_window_get_position(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  int x, y;
  SDL_GetWindowPosition(w, &x, &y);
  return vec22js(js, (vec2){x,y});
}

JSValue js_window_set_position(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  vec2 pos = js2vec2(js,val);
  SDL_SetWindowPosition(w,pos.x,pos.y);
  return JS_NULL;
}

// Mouse grab getter/setter
JSValue js_window_get_mouseGrab(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return JS_NewBool(js, SDL_GetWindowMouseGrab(w));
}

JSValue js_window_set_mouseGrab(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowMouseGrab(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Keyboard grab getter/setter
JSValue js_window_get_keyboardGrab(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return JS_NewBool(js, SDL_GetWindowKeyboardGrab(w));
}

JSValue js_window_set_keyboardGrab(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowKeyboardGrab(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Opacity getter/setter  
JSValue js_window_get_opacity(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return number2js(js, SDL_GetWindowOpacity(w));
}

JSValue js_window_set_opacity(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  float opacity = js2number(js,val);
  SDL_SetWindowOpacity(w, opacity);
  return JS_NULL;
}

// Minimum size getter/setter
JSValue js_window_get_minimumSize(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  int width, height;
  SDL_GetWindowMinimumSize(w, &width, &height);
  return vec22js(js, (vec2){width,height});
}

JSValue js_window_set_minimumSize(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  vec2 size = js2vec2(js,val);
  SDL_SetWindowMinimumSize(w,size.x,size.y);
  return JS_NULL;
}

// Maximum size getter/setter
JSValue js_window_get_maximumSize(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  int width, height;
  SDL_GetWindowMaximumSize(w, &width, &height);
  return vec22js(js, (vec2){width,height});
}

JSValue js_window_set_maximumSize(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  vec2 size = js2vec2(js,val);
  SDL_SetWindowMaximumSize(w,size.x,size.y);
  return JS_NULL;
}

// Resizable setter (read from flags)
JSValue js_window_get_resizable(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_RESIZABLE);
}

JSValue js_window_set_resizable(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowResizable(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Bordered getter/setter
JSValue js_window_get_bordered(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, !(flags & SDL_WINDOW_BORDERLESS));
}

JSValue js_window_set_bordered(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowBordered(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Always on top getter/setter
JSValue js_window_get_alwaysOnTop(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_ALWAYS_ON_TOP);
}

JSValue js_window_set_alwaysOnTop(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowAlwaysOnTop(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Fullscreen getter/setter
JSValue js_window_get_fullscreen(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_FULLSCREEN);
}

JSValue js_window_set_fullscreen(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowFullscreen(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Focusable setter
JSValue js_window_get_focusable(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, !(flags & SDL_WINDOW_NOT_FOCUSABLE));
}

JSValue js_window_set_focusable(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowFocusable(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Modal setter  
JSValue js_window_get_modal(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_MODAL);
}

JSValue js_window_set_modal(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SetWindowModal(w, JS_ToBool(js,val));
  return JS_NULL;
}

// Hidden/visible state
JSValue js_window_get_visible(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, !(flags & SDL_WINDOW_HIDDEN));
}

JSValue js_window_set_visible(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  if (JS_ToBool(js,val))
    SDL_ShowWindow(w);
  else
    SDL_HideWindow(w);
  return JS_NULL;
}

// Minimized state
JSValue js_window_get_minimized(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_MINIMIZED);
}

JSValue js_window_set_minimized(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  if (JS_ToBool(js,val))
    SDL_MinimizeWindow(w);
  else
    SDL_RestoreWindow(w);
  return JS_NULL;
}

// Maximized state
JSValue js_window_get_maximized(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  return JS_NewBool(js, flags & SDL_WINDOW_MAXIMIZED);
}

JSValue js_window_set_maximized(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  if (JS_ToBool(js,val))
    SDL_MaximizeWindow(w);
  else
    SDL_RestoreWindow(w);
  return JS_NULL;
}

// Other window methods
JSValue js_window_raise(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_RaiseWindow(w);
  return JS_NULL;
}

JSValue js_window_restore(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_RestoreWindow(w);
  return JS_NULL;
}

JSValue js_window_flash(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_FlashOperation op = SDL_FLASH_BRIEFLY;
  if (argc > 0 && JS_IsString(argv[0])) {
    const char *operation = JS_ToCString(js,argv[0]);
    if (strcmp(operation, "cancel") == 0) op = SDL_FLASH_CANCEL;
    else if (strcmp(operation, "briefly") == 0) op = SDL_FLASH_BRIEFLY;
    else if (strcmp(operation, "until_focused") == 0) op = SDL_FLASH_UNTIL_FOCUSED;
    JS_FreeCString(js,operation);
  }
  SDL_FlashWindow(w, op);
  return JS_NULL;
}

JSValue js_window_destroy(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_DestroyWindow(w);
  return JS_NULL;
}

JSValue js_window_get_id(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return number2js(js, SDL_GetWindowID(w));
}

JSValue js_window_get_parent(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_Window *parent = SDL_GetWindowParent(w);
  if (!parent) return JS_NULL;
  return SDL_Window2js(js, parent);
}

JSValue js_window_set_parent(JSContext *js, JSValue self, JSValue val)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_Window *parent = NULL;
  if (!JS_IsNull(val))
    parent = js2SDL_Window(js,val);
  SDL_SetWindowParent(w, parent);
  return JS_NULL;
}

JSValue js_window_get_pixelDensity(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return number2js(js, SDL_GetWindowPixelDensity(w));
}

JSValue js_window_get_displayScale(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  return number2js(js, SDL_GetWindowDisplayScale(w));
}

JSValue js_window_get_sizeInPixels(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  int width, height;
  SDL_GetWindowSizeInPixels(w, &width, &height);
  return vec22js(js, (vec2){width,height});
}

// Surface related  
JSValue js_window_get_surface(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_Surface *surf = SDL_GetWindowSurface(w);
  if (!surf) return JS_NULL;
  return SDL_Surface2js(js, surf);
}

JSValue js_window_updateSurface(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  if (!SDL_UpdateWindowSurface(w))
    return JS_ThrowReferenceError(js, "Failed to update window surface: %s", SDL_GetError());
  return JS_NULL;
}

JSValue js_window_updateSurfaceRects(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  
  if (!JS_IsArray(js, argv[0]))
    return JS_ThrowTypeError(js, "Expected array of rectangles");
    
  int len = JS_ArrayLength(js, argv[0]);
  SDL_Rect rects[len];
  
  for (int i = 0; i < len; i++) {
    JSValue val = JS_GetPropertyUint32(js, argv[0], i);
    rect r = js2rect(js, val);
    rects[i] = (SDL_Rect){r.x, r.y, r.w, r.h};
    JS_FreeValue(js, val);
  }
  
  if (!SDL_UpdateWindowSurfaceRects(w, rects, len))
    return JS_ThrowReferenceError(js, "Failed to update window surface rects: %s", SDL_GetError());
  return JS_NULL;
}

JSValue js_window_get_flags(JSContext *js, JSValue self)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_WindowFlags flags = SDL_GetWindowFlags(w);
  
  JSValue ret = JS_NewObject(js);
  JS_SetPropertyStr(js, ret, "fullscreen", JS_NewBool(js, flags & SDL_WINDOW_FULLSCREEN));
  JS_SetPropertyStr(js, ret, "opengl", JS_NewBool(js, flags & SDL_WINDOW_OPENGL));
  JS_SetPropertyStr(js, ret, "occluded", JS_NewBool(js, flags & SDL_WINDOW_OCCLUDED));
  JS_SetPropertyStr(js, ret, "hidden", JS_NewBool(js, flags & SDL_WINDOW_HIDDEN));
  JS_SetPropertyStr(js, ret, "borderless", JS_NewBool(js, flags & SDL_WINDOW_BORDERLESS));
  JS_SetPropertyStr(js, ret, "resizable", JS_NewBool(js, flags & SDL_WINDOW_RESIZABLE));
  JS_SetPropertyStr(js, ret, "minimized", JS_NewBool(js, flags & SDL_WINDOW_MINIMIZED));
  JS_SetPropertyStr(js, ret, "maximized", JS_NewBool(js, flags & SDL_WINDOW_MAXIMIZED));
  JS_SetPropertyStr(js, ret, "mouseGrabbed", JS_NewBool(js, flags & SDL_WINDOW_MOUSE_GRABBED));
  JS_SetPropertyStr(js, ret, "inputFocus", JS_NewBool(js, flags & SDL_WINDOW_INPUT_FOCUS));
  JS_SetPropertyStr(js, ret, "mouseFocus", JS_NewBool(js, flags & SDL_WINDOW_MOUSE_FOCUS));
  JS_SetPropertyStr(js, ret, "external", JS_NewBool(js, flags & SDL_WINDOW_EXTERNAL));
  JS_SetPropertyStr(js, ret, "modal", JS_NewBool(js, flags & SDL_WINDOW_MODAL));
  JS_SetPropertyStr(js, ret, "highPixelDensity", JS_NewBool(js, flags & SDL_WINDOW_HIGH_PIXEL_DENSITY));
  JS_SetPropertyStr(js, ret, "mouseCapture", JS_NewBool(js, flags & SDL_WINDOW_MOUSE_CAPTURE));
  JS_SetPropertyStr(js, ret, "mouseRelativeMode", JS_NewBool(js, flags & SDL_WINDOW_MOUSE_RELATIVE_MODE));
  JS_SetPropertyStr(js, ret, "alwaysOnTop", JS_NewBool(js, flags & SDL_WINDOW_ALWAYS_ON_TOP));
  JS_SetPropertyStr(js, ret, "utility", JS_NewBool(js, flags & SDL_WINDOW_UTILITY));
  JS_SetPropertyStr(js, ret, "tooltip", JS_NewBool(js, flags & SDL_WINDOW_TOOLTIP));
  JS_SetPropertyStr(js, ret, "popupMenu", JS_NewBool(js, flags & SDL_WINDOW_POPUP_MENU));
  JS_SetPropertyStr(js, ret, "keyboardGrabbed", JS_NewBool(js, flags & SDL_WINDOW_KEYBOARD_GRABBED));
  JS_SetPropertyStr(js, ret, "vulkan", JS_NewBool(js, flags & SDL_WINDOW_VULKAN));
  JS_SetPropertyStr(js, ret, "metal", JS_NewBool(js, flags & SDL_WINDOW_METAL));
  JS_SetPropertyStr(js, ret, "transparent", JS_NewBool(js, flags & SDL_WINDOW_TRANSPARENT));
  JS_SetPropertyStr(js, ret, "notFocusable", JS_NewBool(js, flags & SDL_WINDOW_NOT_FOCUSABLE));
  
  return ret;
}

JSValue js_window_sync(JSContext *js, JSValue self, int argc, JSValue *argv)
{
  SDL_Window *w = js2SDL_Window(js,self);
  SDL_SyncWindow(w);
  return JS_NULL;
}

static const JSCFunctionListEntry js_SDL_Window_funcs[] = {
  MIST_FUNC_DEF(SDL_Window, fullscreen, 0),
  MIST_FUNC_DEF(SDL_Window, keyboard_shown, 0),
  MIST_FUNC_DEF(window, theme, 0),
  MIST_FUNC_DEF(window, safe_area, 0),
  MIST_FUNC_DEF(window, set_icon, 1),
  MIST_FUNC_DEF(window, raise, 0),
  MIST_FUNC_DEF(window, restore, 0),
  MIST_FUNC_DEF(window, flash, 1),
  MIST_FUNC_DEF(window, destroy, 0),
  MIST_FUNC_DEF(window, sync, 0),
  CGETSET_ADD(window, title),
  CGETSET_ADD(window, size),
  CGETSET_ADD(window, position),
  CGETSET_ADD(window, mouseGrab),
  CGETSET_ADD(window, keyboardGrab),
  CGETSET_ADD(window, opacity),
  CGETSET_ADD(window, minimumSize),
  CGETSET_ADD(window, maximumSize),
  CGETSET_ADD(window, resizable),
  CGETSET_ADD(window, bordered),
  CGETSET_ADD(window, alwaysOnTop),
  CGETSET_ADD(window, fullscreen),
  CGETSET_ADD(window, focusable),
  CGETSET_ADD(window, modal),
  CGETSET_ADD(window, visible),
  CGETSET_ADD(window, minimized),
  CGETSET_ADD(window, maximized),
  CGETSET_ADD(window, parent),
  JS_CGETSET_DEF("id", js_window_get_id, NULL),
  JS_CGETSET_DEF("pixelDensity", js_window_get_pixelDensity, NULL),
  JS_CGETSET_DEF("displayScale", js_window_get_displayScale, NULL),
  JS_CGETSET_DEF("sizeInPixels", js_window_get_sizeInPixels, NULL),
  JS_CGETSET_DEF("flags", js_window_get_flags, NULL),
  JS_CGETSET_DEF("surface", js_window_get_surface, NULL),
  MIST_FUNC_DEF(window, updateSurface, 0),
  MIST_FUNC_DEF(window, updateSurfaceRects, 1),
};

// Cursor creation function
JSC_CCALL(sdl_create_cursor,
  SDL_Surface *surf = js2SDL_Surface(js, argv[0]);
  if (!surf) return JS_ThrowReferenceError(js, "Invalid surface");
  
  vec2 hot = {0, 0};
  if (argc > 1) hot = js2vec2(js, argv[1]);
  
  SDL_Cursor *cursor = SDL_CreateColorCursor(surf, hot.x, hot.y);
  if (!cursor) return JS_ThrowReferenceError(js, "Failed to create cursor: %s", SDL_GetError());
  
  return SDL_Cursor2js(js, cursor);
)

// Set cursor function
JSC_CCALL(sdl_set_cursor,
  SDL_Cursor *cursor = js2SDL_Cursor(js, argv[0]);
  
  if (!cursor) return JS_ThrowReferenceError(js, "Invalid cursor");

  SDL_SetCursor(cursor);
)

CELL_USE_INIT(
  if (!SDL_Init(SDL_INIT_VIDEO))
  return JS_ThrowInternalError(js, "Unable to initialize video subsystem: %s", SDL_GetError());
  
  JSValue ret = JS_NewObject(js);

  JS_SetPropertyStr(js, ret, "window", QJSCLASSPREP_FUNCS_CTOR(SDL_Window, 1));
  
  QJSCLASSPREP_NO_FUNCS(SDL_Cursor);
  
  // Add cursor functions
  JS_SetPropertyStr(js, ret, "createCursor", JS_NewCFunction(js, js_sdl_create_cursor, "createCursor", 2));
  JS_SetPropertyStr(js, ret, "setCursor", JS_NewCFunction(js, js_sdl_set_cursor, "setCursor", 1));
  
  return ret;
)