Use Gdk::Window::get_device_position() instead of Gtk::Widget::get_pointer()

[ma8ma]

GTK4で廃止されるGtk::Widget::get_pointer()のかわりにGdk::Window::get_device_position()を使います。

参考
https://stackoverflow.com/questions/24844489/how-to-use-gdk-device-get-position

非推奨のシンボルを無効化するマクロ

GDK_DISABLE_DEPRECATED
GTK_DISABLE_DEPRECATED
GDKMM_DISABLE_DEPRECATED
GTKMM_DISABLE_DEPRECATED
GIOMM_DISABLE_DEPRECATED
GLIBMM_DISABLE_DEPRECATED

コンパイラのレポート

../src/article/articleviewbase.cpp:1012:9: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
1012 |         get_pointer( x, y );
  |         ^~~~~~~~~~~
  |         gpointer
../src/article/articleviewbase.cpp:1014:22: error: 'class SKELETON::PopupWin' has no member named 'get_pointer'
1014 |         m_popup_win->get_pointer( x, y );
  |                      ^~~~~~~~~~~
../src/article/drawareabase.cpp:3188:20: error: 'class Gtk::DrawingArea' has no member named 'get_pointer'
3188 |             m_view.get_pointer( x_point, y_point );
  |                    ^~~~~~~~~~~
../src/skeleton/edittreeview.cpp:234:17: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
234 |                 get_pointer( x, y );
  |                 ^~~~~~~~~~~
  |                 gpointer
../src/skeleton/tabnote.cpp:168:5: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
168 |     get_pointer( x, y );
  |     ^~~~~~~~~~~
  |     gpointer
../src/skeleton/treeviewbase.cpp:82:5: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
82 |     get_pointer( x, y );
  |     ^~~~~~~~~~~
  |     gpointer
../src/skeleton/treeviewbase.cpp:99:5: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
99 |     get_pointer( x, y );
  |     ^~~~~~~~~~~
  |     gpointer
../src/skeleton/view.cpp:175:5: error: 'get_pointer' was not declared in this scope; did you mean 'gpointer'?
175 |     get_pointer( x, y );
  |     ^~~~~~~~~~~
  |     gpointer