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testdnd2: Add a test for ASK handling

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It is a bit unfortunate that we need to extend the
lifespan of the drop object by keeping our own
ref, but I don't see a better way of doing it.
This commit is contained in:
Matthias Clasen 2020-01-04 12:09:58 -05:00
parent 1e000c3dac
commit 58106af54d
1 changed files with 79 additions and 11 deletions
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90
tests/testdnd2.c
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@ -89,10 +89,75 @@ got_texture (GObject *source,
} }
else else
{ {
g_print ("Failed to get data: %s\n", error->message);
g_error_free (error); g_error_free (error);
gdk_drop_finish (drop, 0); gdk_drop_finish (drop, 0);
} }
g_object_set_data (G_OBJECT (image), "drop", NULL);
}
static void
perform_drop (GdkDrop *drop,
GtkWidget *image)
{
if (gdk_drop_has_value (drop, GDK_TYPE_TEXTURE))
gdk_drop_read_value_async (drop, GDK_TYPE_TEXTURE, G_PRIORITY_DEFAULT, NULL, got_texture, image);
else
{
gdk_drop_finish (drop, 0);
g_object_set_data (G_OBJECT (image), "drop", NULL);
}
}
static void
do_copy (GtkWidget *button)
{
GtkWidget *popover = gtk_widget_get_ancestor (button, GTK_TYPE_POPOVER);
GtkWidget *image = gtk_popover_get_relative_to (GTK_POPOVER (popover));
GdkDrop *drop = GDK_DROP (g_object_get_data (G_OBJECT (image), "drop"));
gtk_popover_popdown (GTK_POPOVER (popover));
perform_drop (drop, image);
}
static void
do_cancel (GtkWidget *button)
{
GtkWidget *popover = gtk_widget_get_ancestor (button, GTK_TYPE_POPOVER);
GtkWidget *image = gtk_popover_get_relative_to (GTK_POPOVER (popover));
GdkDrop *drop = GDK_DROP (g_object_get_data (G_OBJECT (image), "drop"));
gtk_popover_popdown (GTK_POPOVER (popover));
gdk_drop_finish (drop, 0);
g_object_set_data (G_OBJECT (image), "drop", NULL);
}
static void
ask_actions (GdkDrop *drop,
GtkWidget *image)
{
GtkWidget *popover, *box, *button;
popover = g_object_get_data (G_OBJECT (image), "popover");
if (!popover)
{
popover = gtk_popover_new (image);
g_object_set_data (G_OBJECT (image), "popover", popover);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (popover), box);
button = gtk_button_new_with_label ("Copy");
g_signal_connect (button, "clicked", G_CALLBACK (do_copy), NULL);
gtk_container_add (GTK_CONTAINER (box), button);
button = gtk_button_new_with_label ("Move");
g_signal_connect (button, "clicked", G_CALLBACK (do_copy), NULL);
gtk_container_add (GTK_CONTAINER (box), button);
button = gtk_button_new_with_label ("Cancel");
g_signal_connect (button, "clicked", G_CALLBACK (do_cancel), NULL);
gtk_container_add (GTK_CONTAINER (box), button);
}
gtk_popover_popup (GTK_POPOVER (popover));
} }
static gboolean static gboolean
@ -101,15 +166,19 @@ image_drag_drop (GtkDropTarget *dest,
int y, int y,
gpointer data) gpointer data)
{ {
GtkWidget *image = data;
GdkDrop *drop = gtk_drop_target_get_drop (dest); GdkDrop *drop = gtk_drop_target_get_drop (dest);
GdkDragAction action = gdk_drop_get_actions (drop);
if (gdk_drop_has_value (drop, GDK_TYPE_TEXTURE)) g_object_set_data_full (G_OBJECT (image), "drop", g_object_ref (drop), g_object_unref);
{
gdk_drop_read_value_async (drop, GDK_TYPE_TEXTURE, G_PRIORITY_DEFAULT, NULL, got_texture, data);
return TRUE;
}
return FALSE; g_print ("drop, actions %d\n", action);
if (!gdk_drag_action_is_unique (action))
ask_actions (drop, image);
else
perform_drop (drop, image);
return TRUE;
} }
static void static void
@ -156,7 +225,6 @@ get_data (const char *mimetype,
want_text = gdk_content_formats_contain_mime_type (formats, mimetype); want_text = gdk_content_formats_contain_mime_type (formats, mimetype);
gdk_content_formats_unref (formats); gdk_content_formats_unref (formats);
g_print ("get data called for %s\n", mimetype);
if (want_text) if (want_text)
{ {
const char *text = gtk_image_get_icon_name (GTK_IMAGE (image)); const char *text = gtk_image_get_icon_name (GTK_IMAGE (image));
@ -228,16 +296,16 @@ make_image (const gchar *icon_name, int hotspot)
formats = gtk_content_formats_add_text_targets (formats); formats = gtk_content_formats_add_text_targets (formats);
content = gdk_content_provider_new_with_formats (formats, get_data, image); content = gdk_content_provider_new_with_formats (formats, get_data, image);
source = gtk_drag_source_new (content, GDK_ACTION_COPY); source = gtk_drag_source_new (content, GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_ASK);
g_object_unref (content); g_object_unref (content);
update_source_icon (source, icon_name, hotspot); update_source_icon (source, icon_name, hotspot);
g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), NULL); g_signal_connect (source, "drag-begin", G_CALLBACK (drag_begin), NULL);
g_signal_connect (source, "drag-end", G_CALLBACK (drag_end), NULL); g_signal_connect (source, "drag-end", G_CALLBACK (drag_end), NULL);
g_signal_connect (source, "drag-failed", G_CALLBACK (drag_failed), NULL); g_signal_connect (source, "drag-failed", G_CALLBACK (drag_failed), NULL);
gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK); gtk_drag_source_attach (source, image, GDK_BUTTON1_MASK|GDK_BUTTON2_MASK|GDK_BUTTON3_MASK);
dest = gtk_drop_target_new (GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT, formats, GDK_ACTION_COPY); dest = gtk_drop_target_new (GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT, formats, GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_ASK);
g_signal_connect (dest, "drag-drop", G_CALLBACK (image_drag_drop), image); g_signal_connect (dest, "drag-drop", G_CALLBACK (image_drag_drop), image);
gtk_drop_target_attach (dest, image); gtk_drop_target_attach (dest, image);