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dragsource: Drop gtk_drag_source_drag_begin

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No longer used. Also, minor cleanups all over.
This commit is contained in:
Matthias Clasen 2020-01-07 01:40:44 -05:00
parent c878f650ce
commit a053d7ddb1
2 changed files with 20 additions and 63 deletions
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76
gtk/gtkdragsource.c
View File

@ -88,8 +88,6 @@ struct _GtkDragSource
gdouble start_x;
gdouble start_y;
gdouble last_x;
gdouble last_y;
GdkDrag *drag;
};
@ -131,6 +129,8 @@ static gboolean gtk_drag_source_prepare (GtkDragSource *source,
double x,
double y);
static void gtk_drag_source_drag_begin (GtkDragSource *source);
G_DEFINE_TYPE (GtkDragSource, gtk_drag_source, GTK_TYPE_GESTURE_SINGLE);
static void
@ -228,8 +228,6 @@ gtk_drag_source_begin (GtkGesture *gesture,
current = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
gtk_gesture_get_point (gesture, current, &source->start_x, &source->start_y);
source->last_x = source->start_x;
source->last_y = source->start_y;
}
static void
@ -238,21 +236,19 @@ gtk_drag_source_update (GtkGesture *gesture,
{
GtkDragSource *source = GTK_DRAG_SOURCE (gesture);
GtkWidget *widget;
GdkDevice *device;
double x, y;
gtk_gesture_get_point (gesture, sequence, &source->last_x, &source->last_y);
if (!gtk_gesture_is_recognized (gesture))
return;
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
device = gtk_gesture_get_device (gesture);
gtk_gesture_get_point (gesture, sequence, &x, &y);
if (gtk_drag_check_threshold (widget,
source->start_x, source->start_y,
source->last_x, source->last_y))
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (gesture));
if (gtk_drag_check_threshold (widget, source->start_x, source->start_y, x, y))
{
gtk_drag_source_drag_begin (source, widget, device, source->start_x, source->start_y);
}
gtk_drag_source_drag_begin (source);
}
}
static void
@ -414,10 +410,7 @@ drag_end (GtkDragSource *source,
g_signal_emit (source, signals[DRAG_END], 0, source->drag, delete_data);
gdk_drag_drop_done (source->drag, success);
g_object_set_data (G_OBJECT (source->drag), I_("gtk-drag-source"), NULL);
g_clear_object (&source->drag);
g_object_unref (source);
}
static void
@ -438,40 +431,20 @@ gtk_drag_source_cancel_cb (GdkDrag *drag,
drag_end (source, FALSE);
}
/**
* gtk_drag_source_drag_begin:
* @source: a #GtkDragSource
* @widget: the widget where the drag operation originates
* @device: the device that is driving the drag operation
* @x: start point X coordinate
* @y: start point Y xoordinate
*
* Starts a DND operation with @source.
*
* The start point coordinates are relative to @widget.
*
* GTK keeps a reference on @source for the duration of
* the DND operation, so it is safe to unref @source
* after this call.
*/
void
gtk_drag_source_drag_begin (GtkDragSource *source,
GtkWidget *widget,
GdkDevice *device,
int x,
int y)
static void
gtk_drag_source_drag_begin (GtkDragSource *source)
{
GtkWidget *widget;
GdkDevice *device;
int x, y;
GtkNative *native;
GdkSurface *surface;
double px, py;
int dx, dy;
gboolean start_drag = FALSE;
g_return_if_fail (GTK_IS_DRAG_SOURCE (source));
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (GDK_IS_DEVICE (device));
g_return_if_fail (source->content != NULL);
g_return_if_fail (source->actions != 0);
widget = gtk_event_controller_get_widget (GTK_EVENT_CONTROLLER (source));
device = gtk_gesture_get_device (GTK_GESTURE (source));
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
device = gdk_device_get_associated_device (device);
@ -479,13 +452,13 @@ gtk_drag_source_drag_begin (GtkDragSource *source,
native = gtk_widget_get_native (widget);
surface = gtk_native_get_surface (native);
gtk_widget_translate_coordinates (widget, GTK_WIDGET (native), x, y, &x, &y);
gtk_widget_translate_coordinates (widget, GTK_WIDGET (native), source->start_x, source->start_y, &x, &y);
gdk_surface_get_device_position (surface, device, &px, &py, NULL);
dx = round (px) - x;
dy = round (py) - y;
g_signal_emit (source, signals[PREPARE], 0, x, y, &start_drag);
g_signal_emit (source, signals[PREPARE], 0, source->start_x, source->start_y, &start_drag);
if (!start_drag)
return;
@ -493,18 +466,10 @@ gtk_drag_source_drag_begin (GtkDragSource *source,
source->drag = gdk_drag_begin (surface, device, source->content, source->actions, dx, dy);
if (source->drag == NULL)
{
g_print ("no drag :(\n");
return;
}
g_object_set_data (G_OBJECT (source->drag), I_("gtk-drag-source"), source);
return;
gtk_widget_reset_controllers (widget);
/* We hold a ref until ::drag-end is emitted */
g_object_ref (source);
g_signal_emit (source, signals[DRAG_BEGIN], 0, source->drag);
if (!source->paintable)
@ -517,7 +482,6 @@ gtk_drag_source_drag_begin (GtkDragSource *source,
source->hot_y = 0;
}
gdk_drag_set_hotspot (source->drag, source->hot_x, source->hot_y);
gtk_drag_icon_set_from_paintable (source->drag, source->paintable, source->hot_x, source->hot_y);
g_signal_connect (source->drag, "dnd-finished",
@ -693,7 +657,7 @@ gtk_drag_source_drag_cancel (GtkDragSource *source)
gboolean success = FALSE;
g_signal_emit (source, signals[DRAG_CANCEL], 0, source->drag, GDK_DRAG_CANCEL_ERROR, &success);
drag_end (source->drag, FALSE);
drag_end (source, FALSE);
}
}

7
gtk/gtkdragsource.h
View File

@ -71,13 +71,6 @@ void gtk_drag_source_set_icon (GtkDragSource *source,
int hot_x,
int hot_y);
GDK_AVAILABLE_IN_ALL
void gtk_drag_source_drag_begin (GtkDragSource *source,
GtkWidget *widget,
GdkDevice *device,
int x,
int y);
GDK_AVAILABLE_IN_ALL
void gtk_drag_source_drag_cancel (GtkDragSource *sourcei);
GDK_AVAILABLE_IN_ALL