Function UiProgressDialog

Source/DiabloUI/progress.cpp:93–156

} // namespace

bool UiProgressDialog(int (*fnfunc)())
{
	SetFadeLevel(256);

	// Blit the background once and then free it.
	ProgressLoadBackground();

	ProgressRenderBackground();

	if (RenderDirectlyToOutputSurface && PalSurface != nullptr) {
		// Render into all the backbuffers if there are multiple.
		const void *initialPixels = PalSurface->pixels;
		UiFadeIn();
		while (PalSurface->pixels != initialPixels) {
			ProgressRenderBackground();
			UiFadeIn();
		}
	}

	ProgressFreeBackground();

	ProgressLoadForeground();

	endMenu = false;
	int progress = 0;

	SDL_Event event;
	while (!endMenu && progress < 100) {
		progress = fnfunc();
		ProgressRenderForeground(progress);
		UiRenderItems(vecProgress);
		DrawMouse();
		UiFadeIn();

		while (PollEvent(&event) != 0) {
			switch (event.type) {
			case SDL_MOUSEBUTTONDOWN:
			case SDL_MOUSEBUTTONUP:
				UiItemMouseEvents(&event, vecProgress);
				break;
#ifndef USE_SDL1
			case SDLK_KP_ENTER:
#endif
			case SDLK_ESCAPE:
			case SDLK_RETURN:
			case SDLK_SPACE:
				endMenu = true;
				break;
			default:
				for (MenuAction menuAction : GetMenuActions(event)) {
					if (IsNoneOf(menuAction, MenuAction_BACK, MenuAction_SELECT))
						continue;
					endMenu = true;
					break;
				}
				break;
			}
			UiHandleEvents(&event);