SdlWidgetList Class Reference

Inheritance diagram for SdlWidgetList:

Collaboration diagram for SdlWidgetList:

Public Member Functions
	SdlWidgetList (const SdlWidgetList &other)=delete
	SdlWidgetList (SdlWidgetList &&other)=delete
SdlWidgetList &	operator= (const SdlWidgetList &other)=delete
SdlWidgetList &	operator= (SdlWidgetList &&other)=delete
virtual bool	reset (const std::string &title, size_t width, size_t height)
virtual bool	visible () const

Protected Member Functions
bool	update ()
virtual bool	clearWindow ()
virtual bool	updateInternal ()=0

Protected Attributes
std::shared_ptr< SDL_Window >	_window
std::shared_ptr< SDL_Renderer >	_renderer
SdlButtonList	_buttons
SDL_Color	_backgroundcolor { 0x38, 0x36, 0x35, 0xff }

Detailed Description

Definition at line 10 of file sdl_widget_list.hpp.

Member Function Documentation

clearWindow()

bool SdlWidgetList::clearWindow ( )

protectedvirtual

Definition at line 30 of file sdl_widget_list.cpp.

{
  if (!_renderer)
    return false;
 
  SdlBlendModeGuard guard(_renderer, SDL_BLENDMODE_NONE);
  const auto drc = SDL_SetRenderDrawColor(_renderer.get(), _backgroundcolor.r, _backgroundcolor.g,
                                          _backgroundcolor.b, _backgroundcolor.a);
  if (widget_log_error(drc, "SDL_SetRenderDrawColor"))
    return false;
 
  const auto rcls = SDL_RenderClear(_renderer.get());
  return !widget_log_error(rcls, "SDL_RenderClear");
}

reset()

bool SdlWidgetList::reset ( const std::string &  title, size_t  width, size_t  height  )

virtual

Definition at line 6 of file sdl_widget_list.cpp.

{
  auto w = WINPR_ASSERTING_INT_CAST(int, width);
  auto h = WINPR_ASSERTING_INT_CAST(int, height);
  SDL_Renderer* renderer = nullptr;
  SDL_Window* window = nullptr;
  auto rc = SDL_CreateWindowAndRenderer(
      title.c_str(), w, h, SDL_WINDOW_MOUSE_FOCUS | SDL_WINDOW_INPUT_FOCUS, &window, &renderer);
  _renderer = std::shared_ptr<SDL_Renderer>(renderer, SDL_DestroyRenderer);
  _window = std::shared_ptr<SDL_Window>(window, SDL_DestroyWindow);
  if (!rc)
    widget_log_error(rc, "SDL_CreateWindowAndRenderer");
  return rc;
}

update()

bool SdlWidgetList::update ( )

protected

Definition at line 45 of file sdl_widget_list.cpp.

{
  if (!visible())
    return true;
 
  clearWindow();
  updateInternal();
  if (!_buttons.update())
    return false;
  auto rc = SDL_RenderPresent(_renderer.get());
  if (!rc)
  {
    SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "[%s] SDL_RenderPresent failed with %s", __func__,
                SDL_GetError());
  }
  return rc;
}

visible()

bool SdlWidgetList::visible ( ) const

virtual

Definition at line 21 of file sdl_widget_list.cpp.

{
  if (!_window || !_renderer)
    return false;
 
  auto flags = SDL_GetWindowFlags(_window.get());
  return (flags & (SDL_WINDOW_HIDDEN | SDL_WINDOW_MINIMIZED)) == 0;
}

Field Documentation

_backgroundcolor

SDL_Color SdlWidgetList::_backgroundcolor { 0x38, 0x36, 0x35, 0xff }

protected

Definition at line 33 of file sdl_widget_list.hpp.

{ 0x38, 0x36, 0x35, 0xff };

_buttons

SdlButtonList SdlWidgetList::_buttons

protected

Definition at line 32 of file sdl_widget_list.hpp.

_renderer

std::shared_ptr<SDL_Renderer> SdlWidgetList::_renderer

protected

Definition at line 31 of file sdl_widget_list.hpp.

_window

std::shared_ptr<SDL_Window> SdlWidgetList::_window

protected

Definition at line 30 of file sdl_widget_list.hpp.

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The documentation for this class was generated from the following files:

• sdl_widget_list.hpp
• sdl_widget_list.cpp