/* $Id$ */ #include MwWidget cpicker; MwWidget window; MwWidget button; void color_callback(MwWidget handle, void* user_data, void* call_data) { char hexColor[8]; MwRGB* rgb = call_data; (void)handle; (void)user_data; sprintf(hexColor, "#%02X%02X%02X", rgb->red, rgb->green, rgb->blue); MwSetText(window, MwNbackground, hexColor); } void color_picker(MwWidget handle, void* user_data, void* call_data) { MwWidget cpicker = MwColorPicker(window, "cpicker"); (void)handle; (void)user_data; (void)call_data; MwAddUserHandler(cpicker, MwNcolorChosenHandler, color_callback, NULL); MwSetText(cpicker, MwNbackground, MwDefaultBackground); } int main() { window = MwVaCreateWidget(MwWindowClass, "main", NULL, MwDEFAULT, MwDEFAULT, 640, 480, MwNtitle, "color picker", NULL); MwSetText(window, MwNbackground, "#000000"); button = MwVaCreateWidget(MwButtonClass, "button", window, 160, 180, 320, 120, MwNtext, "change window background", NULL); MwSetText(button, MwNbackground, MwDefaultBackground); MwAddUserHandler(button, MwNactivateHandler, color_picker, NULL); MwLoop(window); }