p
/
fiv
1
1
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix touch screen scrolling on sidebar breadcrumbs 

The drag gesture needs to be disabled there,
because touch drags fail in an unfortunate way.
This commit is contained in:
Přemysl Eric Janouch 2022-07-22 09:21:06 +02:00
parent e03bc36f63
commit 0bfd3ad4ce
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 56 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
fiv-sidebar.c
View File

@ -31,6 +31,7 @@ struct _FivSidebar {
G_DEFINE_TYPE(FivSidebar, fiv_sidebar, GTK_TYPE_SCROLLED_WINDOW)
G_DEFINE_QUARK(fiv-sidebar-drag-gesture-quark, fiv_sidebar_drag_gesture)
G_DEFINE_QUARK(fiv-sidebar-location-quark, fiv_sidebar_location)
G_DEFINE_QUARK(fiv-sidebar-self-quark, fiv_sidebar_self)
@ -120,6 +121,48 @@ on_breadcrumb_button_release(
return TRUE;
}
static void
on_breadcrumb_gesture_drag_begin(GtkGestureDrag *drag,
G_GNUC_UNUSED gdouble start_x, G_GNUC_UNUSED gdouble start_y,
G_GNUC_UNUSED gpointer user_data)
{
// Touch screen dragging is how you scroll the parent GtkScrolledWindow,
// don't steal that gesture. Moreover, touch screen dragging fails
// in the middle, without ever invoking drag-end.
GtkGesture *gesture = GTK_GESTURE(drag);
if (gdk_device_get_source(
gdk_event_get_source_device(gtk_gesture_get_last_event(
gesture, gtk_gesture_get_last_updated_sequence(gesture)))) ==
GDK_SOURCE_TOUCHSCREEN)
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_DENIED);
}
static void
on_breadcrumb_gesture_drag_update(GtkGestureDrag *drag,
gdouble offset_x, gdouble offset_y, gpointer user_data)
{
GtkWidget *widget = GTK_WIDGET(user_data);
gdouble start_x = 0, start_y = 0;
if (!gtk_gesture_drag_get_start_point(drag, &start_x, &start_y) ||
!gtk_drag_check_threshold(widget, start_x, start_y,
start_x + offset_x, start_y + offset_y))
return;
GtkGesture *gesture = GTK_GESTURE(drag);
gtk_gesture_set_state(gesture, GTK_EVENT_SEQUENCE_CLAIMED);
GdkEvent *event = gdk_event_copy(gtk_gesture_get_last_event(
gesture, gtk_gesture_get_last_updated_sequence(gesture)));
GtkTargetList *target_list = gtk_target_list_new(NULL, 0);
gtk_target_list_add_uri_targets(target_list, 0);
gtk_drag_begin_with_coordinates(
widget, target_list, GDK_ACTION_LINK, 1, event, start_x, start_y);
gtk_target_list_unref(target_list);
gdk_event_free(event);
}
static void
on_breadcrumb_drag_data_get(G_GNUC_UNUSED GtkWidget *widget,
G_GNUC_UNUSED GdkDragContext *context, GtkSelectionData *selection_data,
@ -138,6 +181,7 @@ static void
on_breadcrumb_drag_begin(G_GNUC_UNUSED GtkWidget *widget,
GdkDragContext *context, gpointer user_data)
{
gtk_drag_set_icon_name(context, "inode-directory-symbolic", 0, 0);
gtk_places_sidebar_set_drop_targets_visible(user_data, TRUE, context);
}
@ -214,9 +258,17 @@ create_row(FivSidebar *self, GFile *file, const char *icon_name)
GTK_REVEALER(revealer), GTK_REVEALER_TRANSITION_TYPE_NONE);
gtk_container_add(GTK_CONTAINER(revealer), rowbox);
gtk_drag_source_set(revealer, GDK_BUTTON1_MASK, NULL, 0, GDK_ACTION_LINK);
gtk_drag_source_add_uri_targets(revealer);
gtk_drag_source_set_icon_name(revealer, "inode-directory-symbolic");
GtkGesture *drag = gtk_gesture_drag_new(revealer);
gtk_gesture_single_set_button(GTK_GESTURE_SINGLE(drag), GDK_BUTTON_PRIMARY);
gtk_event_controller_set_propagation_phase(
GTK_EVENT_CONTROLLER(drag), GTK_PHASE_BUBBLE);
g_object_set_qdata_full(G_OBJECT(revealer),
fiv_sidebar_drag_gesture_quark(),
drag, (GDestroyNotify) g_object_unref);
g_signal_connect(drag, "drag-begin",
G_CALLBACK(on_breadcrumb_gesture_drag_begin), revealer);
g_signal_connect(drag, "drag-update",
G_CALLBACK(on_breadcrumb_gesture_drag_update), revealer);
GtkWidget *row = gtk_list_box_row_new();
g_object_set_qdata_full(G_OBJECT(row), fiv_sidebar_location_quark(),
@ -228,8 +280,7 @@ create_row(FivSidebar *self, GFile *file, const char *icon_name)
g_signal_connect(row, "popup-menu",
G_CALLBACK(on_breadcrumb_popup_menu), NULL);
// TODO(p): Why do we hook to the revealer, and not the row itself?
// Is it due to some kind of margin or padding?
// Drag signals need to be hooked to a widget with its own GdkWindow.
g_signal_connect(revealer, "button-release-event",
G_CALLBACK(on_breadcrumb_button_release), row);
g_signal_connect(revealer, "drag-data-get",