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placessidebar: Use gdk_drag_begin

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Use gdk_drag_begin for one-off drags.
This commit is contained in:
Matthias Clasen 2020-01-06 17:50:04 -05:00
parent 00169a06bf
commit f459164f8a
1 changed files with 35 additions and 42 deletions
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77
gtk/gtkplacessidebar.c
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@ -63,6 +63,7 @@
#include "gtkgesturedrag.h"
#include "gtknative.h"
#include "gtkdragsource.h"
#include "gtkdragicon.h"
#include "gtkwidgetpaintable.h"
#include "gtkselectionprivate.h"
@ -1726,31 +1727,6 @@ stop_drop_feedback (GtkPlacesSidebar *sidebar)
sidebar->drag_data_info = DND_UNKNOWN;
}
static void
drag_begin_callback (GtkDragSource *source,
GdkDrag *drag,
gpointer user_data)
{
GtkPlacesSidebar *sidebar = GTK_PLACES_SIDEBAR (user_data);
GtkAllocation allocation;
GtkWidget *drag_widget;
GdkPaintable *paintable;
gtk_widget_get_allocation (sidebar->drag_row, &allocation);
gtk_widget_hide (sidebar->drag_row);
drag_widget = GTK_WIDGET (gtk_sidebar_row_clone (GTK_SIDEBAR_ROW (sidebar->drag_row)));
sidebar->drag_row_height = allocation.height;
gtk_widget_set_size_request (drag_widget, allocation.width, allocation.height);
gtk_widget_set_opacity (drag_widget, 0.8);
paintable = gtk_widget_paintable_new (drag_widget);
gtk_drag_source_set_icon (source, paintable, sidebar->drag_row_x, sidebar->drag_row_y);
g_object_unref (paintable);
g_object_set_data_full (G_OBJECT (source), "row-widget", drag_widget, (GDestroyNotify)gtk_widget_destroy);
}
static GtkWidget *
create_placeholder_row (GtkPlacesSidebar *sidebar)
{
@ -2092,12 +2068,10 @@ out_free:
}
static void
drag_end_callback (GtkDragSource *source,
GdkDrag *drag,
gboolean delete_data,
gpointer user_data)
dnd_finished_cb (GdkDrag *drag,
GtkPlacesSidebar *sidebar)
{
stop_drop_feedback (GTK_PLACES_SIDEBAR (user_data));
stop_drop_feedback (sidebar);
}
/* This functions is called every time the drag source leaves
@ -3783,7 +3757,12 @@ on_row_dragged (GtkGestureDrag *gesture,
gdouble start_x, start_y;
gint drag_x, drag_y;
GdkContentProvider *content;
GtkDragSource *source;
GdkSurface *surface;
GdkDevice *device;
GtkAllocation allocation;
GtkWidget *drag_widget;
GdkPaintable *paintable;
GdkDrag *drag;
gtk_gesture_drag_get_start_point (gesture, &start_x, &start_y);
gtk_widget_translate_coordinates (GTK_WIDGET (row),
@ -3793,21 +3772,35 @@ on_row_dragged (GtkGestureDrag *gesture,
sidebar->dragging_over = TRUE;
source = gtk_drag_source_new ();
content = gdk_content_provider_new_with_formats (sidebar->source_targets,
drag_data_get_callback,
sidebar);
gtk_drag_source_set_content (source, content);
g_object_unref (content);
gtk_drag_source_set_actions (source, GDK_ACTION_MOVE);
g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin_callback), sidebar);
g_signal_connect (source, "drag-end", G_CALLBACK (drag_end_callback), sidebar);
gtk_drag_source_drag_begin (source,
GTK_WIDGET (sidebar),
gtk_gesture_get_device (GTK_GESTURE (gesture)),
drag_x, drag_y);
g_object_unref (source);
surface = gtk_native_get_surface (gtk_widget_get_native (GTK_WIDGET (sidebar)));
device = gtk_gesture_get_device (GTK_GESTURE (gesture));
drag = gdk_drag_begin (surface, device, content, GDK_ACTION_MOVE, drag_x, drag_y);
g_object_unref (content);
g_signal_connect (drag, "dnd-finished", G_CALLBACK (dnd_finished_cb), sidebar);
gtk_widget_get_allocation (sidebar->drag_row, &allocation);
gtk_widget_hide (sidebar->drag_row);
drag_widget = GTK_WIDGET (gtk_sidebar_row_clone (GTK_SIDEBAR_ROW (sidebar->drag_row)));
sidebar->drag_row_height = allocation.height;
gtk_widget_set_size_request (drag_widget, allocation.width, allocation.height);
gtk_widget_set_opacity (drag_widget, 0.8);
paintable = gtk_widget_paintable_new (drag_widget);
gtk_drag_icon_set_from_paintable (drag, paintable, sidebar->drag_row_x, sidebar->drag_row_y);
g_object_unref (paintable);
g_object_set_data_full (G_OBJECT (drag), "row-widget", drag_widget, (GDestroyNotify)gtk_widget_destroy);
g_object_unref (drag);
}
g_object_unref (sidebar);