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port-to-gtk3: Use Gdk::Cursor via Glib::RefPtr<> (#7)

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Starting from Gtkmm3 Gdk::Cursor objects cannot be constructed directly,
but instead you have to get a smart pointer to an instance by calling
the static member function Gdk::Cursor::create().

Gdk::Cursor::create() returns a Glib::RefPtr<Gdk::Cursor> object.

Gtkmm3 always uses Glib::RefPtr<Gdk::Cursor> in its interface and never
plain Gdk::Cursor.

Reference:

[1] Programming with gtkmm3, Changes in gtkmm3:
    https://developer.gnome.org/gtkmm-tutorial/3.24/changes-gtkmm3.html.en
    "... Gdk::Cursor are now used via Glib::RefPtr."

Closes #7 - Port to Gtk3
This commit is contained in:
Luca Bacci 2018-08-03 18:50:40 +02:00 committed by Mike Fleetwood
parent 29a21a5a4c
commit 5fb58f8877
5 changed files with 11 additions and 12 deletions
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3
include/Frame_Resizer_Base.h
View file

@ -82,7 +82,8 @@ protected:
std::vector<Gdk::Point> arrow_points;
Gdk::Cursor *cursor_resize, *cursor_move;
Glib::RefPtr<Gdk::Cursor> cursor_resize;
Glib::RefPtr<Gdk::Cursor> cursor_move;
int temp_x, temp_y ;
bool fixed_start; //a fixed start disables moving the start and thereby the whole move functionality..

2
src/DialogManageFlags.cc
View file

@ -74,7 +74,7 @@ void DialogManageFlags::load_treeview()
void DialogManageFlags::on_flag_toggled( const Glib::ustring & path )
{
get_window() ->set_cursor( Gdk::Cursor( Gdk::WATCH ) ) ;
get_window()->set_cursor(Gdk::Cursor::create(Gdk::WATCH));
set_sensitive( false ) ;
while ( Gtk::Main::events_pending() )
Gtk::Main::iteration() ;

12
src/Frame_Resizer_Base.cc
View file

@ -59,8 +59,8 @@ void Frame_Resizer_Base::init()
color_background.set("darkgrey");
color_arrow_rectangle.set("lightgrey");
cursor_resize = new Gdk::Cursor( Gdk::SB_H_DOUBLE_ARROW ) ;
cursor_move = new Gdk::Cursor( Gdk::FLEUR ) ;
cursor_resize = Gdk::Cursor::create(Gdk::SB_H_DOUBLE_ARROW);
cursor_move = Gdk::Cursor::create(Gdk::FLEUR);
GRIP_MOVE = GRIP_LEFT = GRIP_RIGHT = false;
X_END = 0;
@ -306,18 +306,18 @@ bool Frame_Resizer_Base::drawingarea_on_mouse_motion( GdkEventMotion * ev )
ev ->x <= X_START &&
ev ->y >= 5 &&
ev ->y <= 45 )
drawingarea .get_parent_window() ->set_cursor( *cursor_resize ) ;
drawingarea.get_parent_window()->set_cursor(cursor_resize);
//right grip
else if ( ev ->x >= X_END &&
ev ->x <= X_END + GRIPPER &&
ev ->y >= 5 &&
ev ->y <= 45 )
drawingarea .get_parent_window() ->set_cursor( *cursor_resize ) ;
drawingarea.get_parent_window()->set_cursor(cursor_resize);
//move grip
else if ( ! fixed_start &&
ev ->x >= X_START &&
ev ->x <= X_END )
drawingarea .get_parent_window() ->set_cursor( *cursor_move ) ;
drawingarea.get_parent_window()->set_cursor(cursor_move);
//normal pointer
else
drawingarea .get_parent_window() ->set_cursor() ;
@ -451,8 +451,6 @@ void Frame_Resizer_Base::redraw()
Frame_Resizer_Base::~Frame_Resizer_Base()
{
delete cursor_resize;
delete cursor_move;
}

4
src/Frame_Resizer_Extended.cc
View file

@ -143,13 +143,13 @@ bool Frame_Resizer_Extended::drawingarea_on_mouse_motion( GdkEventMotion * ev )
ev ->x <= X_START &&
ev ->y >= 5 &&
ev ->y <= 45 )
drawingarea .get_parent_window() ->set_cursor( *cursor_resize ) ;
drawingarea.get_parent_window()->set_cursor(cursor_resize);
//right grip
else if ( ev ->x >= X_END &&
ev ->x <= X_END + GRIPPER &&
ev ->y >= 5 &&
ev ->y <= 45 )
drawingarea .get_parent_window() ->set_cursor( *cursor_resize ) ;
drawingarea.get_parent_window()->set_cursor(cursor_resize);
//normal pointer
else
drawingarea .get_parent_window() ->set_cursor() ;

2
src/Win_GParted.cc
View file

@ -3095,7 +3095,7 @@ void Win_GParted::activate_manage_flags()
g_assert( selected_partition_ptr != NULL ); // Bug: Partition callback without a selected partition
g_assert( valid_display_partition_ptr( selected_partition_ptr ) ); // Bug: Not pointing at a valid display partition object
get_window() ->set_cursor( Gdk::Cursor( Gdk::WATCH ) ) ;
get_window()->set_cursor(Gdk::Cursor::create(Gdk::WATCH));
while ( Gtk::Main::events_pending() )
Gtk::Main::iteration() ;