Use Fl::grab(0) instead.

Member Fl::set_idle (Fl_Old_Idle_Handler cb)

This method is obsolete - use the add_idle() method instead.

Member fl_ask (const char *fmt,...)

fl_ask() is deprecated since it uses "Yes" and "No" for the buttons which does not conform to the current FLTK Human Interface Guidelines. Use fl_choice() with the appropriate verbs instead.

Member Fl_Browser_::position () const

"since 1.4.0 - use vposition() instead"

Member Fl_Browser_::position (int pos)

"since 1.4.0 - use vposition(pos) instead"

Member Fl_Browser_::scrollbar_width () const

Use scrollbar_size() instead.

Member Fl_Browser_::scrollbar_width (int width)

Use scrollbar_size() instead.

Member fl_clip (int x, int y, int w, int h)

Please use fl_push_clip(int x, int y, int w, int h) instead. fl_clip(int, int, int, int) will be removed in FLTK 1.5.

Member Fl_File_Input::errorcolor () const

Will be removed in FLTK 1.5.0 or higher.

Member Fl_File_Input::errorcolor (Fl_Color c)

Will be removed in FLTK 1.5.0 or higher.

Member fl_find (Window xid)

Kept in the X11, Windows, and macOS platforms for compatibility with FLTK versions before 1.4. Please use fl_x11_find(Window), fl_wl_find(struct wld_window*), fl_win32_find(HWND) or fl_mac_find(FLWindow*) with FLTK 1.4.0 and above.

Member Fl_GIF_Image::Fl_GIF_Image (const char *imagename, const unsigned char *data)

Please use Fl_GIF_Image(const char *imagename, const unsigned char *data, const size_t length) instead.

Member Fl_Group::focus (Fl_Widget *W)

This is for backwards compatibility only. You should use W->take_focus() instead.

Member Fl_Group::sizes ()

Deprecated since 1.4.0. Please use bounds() instead.

Member Fl_Image::draw_scaled (int X, int Y, int W, int H)

Only for API compatibility with FLTK 1.3.4.

Member Fl_Image::label (Fl_Widget *w)

Please use Fl_Widget::image() or Fl_Widget::deimage() instead.

Member Fl_Image::label (Fl_Menu_Item *m)

Please use Fl_Menu_Item::image() instead.

Member Fl_Image_Surface::highres_image ()

Use image() instead.

Member Fl_Input_::position () const

"since 1.4.0 - use insert_position() instead"

Member Fl_Input_::position (int p, int m)

"since 1.4.0 - use insert_position(p, m) or Fl_Widget::position(x, y) instead"

Member Fl_Input_::position (int p)

"since 1.4.0 - use insert_position(p) instead"

Member Fl_Menu_Item::check ()

Please use Fl_Menu_Item::set() instead. This method will be removed in FLTK 1.5.0 or later.

Member Fl_Menu_Item::checked () const

Please use Fl_Menu_Item::value() instead. This method will be removed in FLTK 1.5.0 or later.

Member Fl_Menu_Item::uncheck ()

Please use Fl_Menu_Item::clear() instead. This method will be removed in FLTK 1.5.0 or later.

Member Fl_Multi_Label::label (Fl_Menu_Item *)

since 1.4.0: please use Fl_Menu_Item::label(Fl_Multi_Label *)

Member Fl_Preferences::Fl_Preferences (const char *path, const char *vendor, const char *application)

"since 1.4.0 - use Fl_Preferences(path, vendor, application, flags) instead"

Member Fl_Text_Display::scrollbar_width () const

Use scrollbar_size() instead.

Member Fl_Text_Display::scrollbar_width (int width)

Use scrollbar_size() instead.

Member Fl_Text_Selection::position (int *startpos, int *endpos) const

"since 1.4.0 - use selected(startpos, endpos) instead"

Member Fl_Tile::position (int oldx, int oldy, int newx, int newy)

"since 1.4.0 - use move_intersection(p) instead"

Member Fl_Tree::first_visible ()

in 1.3.3 ABI – use first_visible_item() instead.

Member Fl_Tree::item_clicked (Fl_Tree_Item *val)

in 1.3.3 ABI – use callback_item() instead.

Member Fl_Tree::item_clicked ()

in 1.3.3 ABI – use callback_item() instead.

Member Fl_Tree::last_visible ()

in 1.3.3 – use last_visible_item() instead.

Member Fl_Tree_Item::Fl_Tree_Item (const Fl_Tree_Prefs &prefs)

in 1.3.3 ABI – you must use Fl_Tree_Item(Fl_Tree*) for proper horizontal scrollbar behavior.

Member Fl_Tree_Item::next_displayed (Fl_Tree_Prefs &prefs)

in 1.3.3 for confusing name, use next_visible() instead

Member Fl_Tree_Item::prev_displayed (Fl_Tree_Prefs &prefs)

in 1.3.3 for confusing name, use prev_visible()

Member FL_VERSION

This double version number is retained for compatibility with existing program code. New code should use int FL_API_VERSION instead. FL_VERSION is deprecated because comparisons of floating point values may fail due to rounding errors. However, there are currently no plans to remove this deprecated constant.

Member Fl_Widget::color2 () const

Use selection_color() instead.

Member Fl_Widget::color2 (unsigned a)

Use selection_color(unsigned) instead.

Member Fl_Window::icon () const

in 1.3.3

Member Fl_Window::icon (const void *ic)

in 1.3.3 in favor of platform-independent methods Fl_Window::icon(const Fl_RGB_Image *icon) and Fl_Window::icons(const Fl_RGB_Image *icons[], int count).

Page Operating System Issues

Kept for compatibility with FLTK versions before 1.4. Use preferentially fl_x11_xid(const Fl_Window *) with versions 1.4 and above.

Kept for compatibility with FLTK versions before 1.4. Use preferentially fl_x11_find(Window) with versions 1.4 and above.