dnd: Only accept dnd with the application/x-wayland-dnd-flower mime-type

Currently, the dnd sample client accepts all mime-types and assumes they
are the custom flower mime-type.  Only accept if the offer has the right
mime-type.

diff --git a/clients/dnd.c b/clients/dnd.c
index cfdf92f..8171193 100644 (file)
--- a/clients/dnd.c
+++ b/clients/dnd.c
@@ -81,6 +81,8 @@ static const int item_width = 64;
 static const int item_height = 64;
 static const int item_padding = 16;
 
+static const char flower_mime_type[] = "application/x-wayland-dnd-flower";
+
 static struct item *
 item_create(struct display *display, int x, int y, int seed)
 {
@@ -495,14 +497,18 @@ dnd_data_handler(struct window *window,
                 float x, float y, const char **types, void *data)
 {
        struct dnd *dnd = data;
+       int i, has_flower = 0;
 
        if (!types)
                return;
+       for (i = 0; types[i]; i++)
+               if (strcmp(types[i], flower_mime_type) == 0)
+                       has_flower = 1;
 
-       if (dnd_get_item(dnd, x, y) || dnd->self_only) {
+       if (dnd_get_item(dnd, x, y) || dnd->self_only || !has_flower) {
                input_accept(input, NULL);
        } else {
-               input_accept(input, types[0]);
+               input_accept(input, flower_mime_type);
        }
 }
 
@@ -546,7 +552,7 @@ dnd_drop_handler(struct window *window, struct input *input,
 
        if (!dnd->self_only) {
                input_receive_drag_data(input,
-                                       "application/x-wayland-dnd-flower",
+                                       flower_mime_type,
                                        dnd_receive_func, dnd);
        } else if (dnd->current_drag) {
                message.seed = dnd->current_drag->item->seed;