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#include <gtk/gtk.h>
static void
start_resize (GtkGestureMultiPress *gesture,
int n_press,
double x,
double y,
gpointer data)
{
GtkWidget *widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
GdkSurfaceEdge edge = GPOINTER_TO_INT (data);
GdkSurface *surface;
GdkEvent *event;
guint button;
guint32 timestamp;
int xx = x;
int yy = y;
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
surface = gtk_widget_get_surface (widget);
event = gtk_get_current_event ();
gdk_event_get_button (event, &button);
timestamp = gdk_event_get_time (event);
gtk_widget_translate_coordinates (widget, GTK_WIDGET (gtk_widget_get_root (widget)),
xx, yy, &xx, &yy);
gdk_surface_begin_resize_drag (surface, edge, button, xx, yy, timestamp);
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
}
static GtkWidget *
resize_button (GdkSurfaceEdge edge)
{
GtkWidget *button;
GtkGesture *gesture;
button = gtk_image_new_from_icon_name ("view-fullscreen-symbolic");
gtk_widget_set_hexpand (button, TRUE);
gtk_widget_set_vexpand (button, TRUE);
gesture = gtk_gesture_multi_press_new ();
g_signal_connect (gesture, "pressed", G_CALLBACK (start_resize), GINT_TO_POINTER (edge));
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (gesture));
return button;
}
static void
start_move (GtkGestureMultiPress *gesture,
int n_press,
double x,
double y,
gpointer data)
{
GtkWidget *widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
GdkSurface *surface;
GdkEvent *event;
guint button;
guint32 timestamp;
int xx = x;
int yy = y;
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_CLAIMED);
surface = gtk_widget_get_surface (widget);
event = gtk_get_current_event ();
gdk_event_get_button (event, &button);
timestamp = gdk_event_get_time (event);
gtk_widget_translate_coordinates (widget, GTK_WIDGET (gtk_widget_get_root (widget)),
xx, yy, &xx, &yy);
gdk_surface_begin_move_drag (surface, button, xx, yy, timestamp);
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
}
static GtkWidget *
move_button (void)
{
GtkWidget *button;
GtkGesture *gesture;
button = gtk_image_new_from_icon_name ("view-grid-symbolic");
gtk_widget_set_hexpand (button, TRUE);
gtk_widget_set_vexpand (button, TRUE);
gesture = gtk_gesture_multi_press_new ();
g_signal_connect (gesture, "pressed", G_CALLBACK (start_move), NULL);
gtk_widget_add_controller (button, GTK_EVENT_CONTROLLER (gesture));
return button;
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *grid;
gtk_init ();
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_titlebar (GTK_WINDOW (window), gtk_header_bar_new ());
grid = gtk_grid_new ();
gtk_container_add (GTK_CONTAINER (window), grid);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_NORTH_WEST),
0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_NORTH),
1, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_NORTH_EAST),
2, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_WEST),
0, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
move_button (),
1, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_EAST),
2, 1, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_SOUTH_WEST),
0, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_SOUTH),
1, 2, 1, 1);
gtk_grid_attach (GTK_GRID (grid),
resize_button (GDK_SURFACE_EDGE_SOUTH_EAST),
2, 2, 1, 1);
gtk_widget_show (window);
gtk_main ();
return 0;
}
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