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[feat] add dnd for files

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This commit is contained in:
Julian Sparber
2017-10-25 21:59:54 +02:00
parent 2f26a1c487
commit 4b81c8c786
1 changed files with 191 additions and 0 deletions
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191
src/teleport-window.c
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@@ -6,6 +6,26 @@
#include "teleport-peer.h"
GtkWidget *find_child(GtkWidget *, const gchar *);
enum {
TARGET_INT32,
TARGET_STRING,
TARGET_URIS,
TARGET_ROOTWIN
};
/* datatype (string), restrictions on DnD (GtkTargetFlags), datatype (int) */
static GtkTargetEntry target_list[] = {
//{ "INTEGER", 0, TARGET_INT32 },
//{ "STRING", 0, TARGET_STRING },
//{ "text/plain", 0, TARGET_STRING },
{ "text/uri-list", 0, TARGET_URIS }
//{ "application/octet-stream", 0, TARGET_STRING },
//{ "application/x-rootwindow-drop", 0, TARGET_ROOTWIN }
};
static guint n_targets = G_N_ELEMENTS (target_list);
TeleportWindow *mainWin;
struct _TeleportWindow
@@ -41,6 +61,145 @@ change_download_directory_cb (GtkWidget *widget,
g_free(newDownloadDir);
}
static void
send_file_to_device (gchar *uri, gpointer data)
{
Peer *device = (Peer *) data;
GFile *file = g_file_new_for_uri (uri);
gchar *filename = NULL;
if (g_file_query_exists (file, NULL)) {
filename = g_file_get_path (file);
teleport_server_add_route (g_compute_checksum_for_string (G_CHECKSUM_SHA256, filename, -1), g_strdup(filename), device->ip);
g_free (filename);
}
else {
g_print ("File doesn't exist: %s\n", uri);
}
g_object_unref(file);
}
static void
drag_data_received_handl
(GtkWidget *widget, GdkDragContext *context, gint x, gint y,
GtkSelectionData *selection_data, guint target_type, guint time,
gpointer data)
{
glong *_idata;
gchar *_sdata;
gchar **uris;
gboolean dnd_success = FALSE;
gboolean delete_selection_data = FALSE;
/* Deal with what we are given from source */
if((selection_data != NULL) && (gtk_selection_data_get_length(selection_data) >= 0))
{
if (gdk_drag_context_get_suggested_action(context) == GDK_ACTION_ASK)
{
/* Ask the user to move or copy, then set the context action. */
}
if (gdk_drag_context_get_suggested_action(context) == GDK_ACTION_MOVE)
delete_selection_data = TRUE;
/* Check that we got the format we can use */
switch (target_type)
{
case TARGET_INT32:
_idata = (glong*)gtk_selection_data_get_data(selection_data);
g_print ("integer: %ld", *_idata);
dnd_success = TRUE;
break;
case TARGET_STRING:
_sdata = (gchar*)gtk_selection_data_get_data(selection_data);
g_print ("string: %s", _sdata);
dnd_success = TRUE;
break;
case TARGET_URIS:
uris = gtk_selection_data_get_uris(selection_data);
if (uris != NULL && uris[1] == NULL) {
send_file_to_device (uris[0], data);
dnd_success = TRUE;
}
break;
default:
g_print ("Something bad!");
}
}
if (dnd_success == FALSE)
{
g_print ("DnD data transfer failed!\n");
g_print ("You can not drag more then one file!\n");
}
gtk_drag_finish (context, dnd_success, delete_selection_data, time);
}
/* Emitted when a drag is over the destination */
static gboolean
drag_motion_handl
(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint t,
gpointer user_data)
{
// Fancy stuff here. This signal spams the console something horrible.
//const gchar *name = gtk_widget_get_name (widget);
//g_print ("%s: drag_motion_handl\n", name);
return FALSE;
}
/* Emitted when a drag leaves the destination */
static void
drag_leave_handl
(GtkWidget *widget, GdkDragContext *context, guint time, gpointer user_data)
{
}
/* Emitted when the user releases (drops) the selection. It should check that
* the drop is over a valid part of the widget (if its a complex widget), and
* itself to return true if the operation should continue. Next choose the
* target type it wishes to ask the source for. Finally call gtk_drag_get_data
* which will emit "drag-data-get" on the source. */
static gboolean
drag_drop_handl
(GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time,
gpointer user_data)
{
gboolean is_valid_drop_site;
GdkAtom target_type;
/* Check to see if (x,y) is a valid drop site within widget */
is_valid_drop_site = TRUE;
/* If the source offers a target */
if (gdk_drag_context_list_targets (context))
{
/* Choose the best target type */
target_type = GDK_POINTER_TO_ATOM
(g_list_nth_data (gdk_drag_context_list_targets(context), TARGET_INT32));
/* Request the data from the source. */
gtk_drag_get_data
(
widget, /* will receive 'drag-data-received' signal */
context, /* represents the current state of the DnD */
target_type, /* the target type we want */
time /* time stamp */
);
}
/* No target offered by source => error */
else
{
is_valid_drop_site = FALSE;
}
return is_valid_drop_site;
}
static void
teleport_window_init (TeleportWindow *win)
{
@@ -97,6 +256,35 @@ teleport_window_init (TeleportWindow *win)
g_object_unref (builder);
}
/*Doing Dnd init stuff */
static void
add_dnd (GtkWidget *widget, gpointer data)
{
/* Make the widget a DnD destination. */
gtk_drag_dest_set
(
widget, /* widget that will accept a drop */
GTK_DEST_DEFAULT_ALL,
target_list, /* lists of target to support */
n_targets, /* size of list */
GDK_ACTION_COPY /* what to do with data after dropped */
);
/* All possible destination signals */
g_signal_connect (widget, "drag-data-received",
G_CALLBACK(drag_data_received_handl), data);
g_signal_connect (widget, "drag-leave",
G_CALLBACK (drag_leave_handl), data);
g_signal_connect (widget, "drag-motion",
G_CALLBACK (drag_motion_handl), data);
g_signal_connect (widget, "drag-drop",
G_CALLBACK (drag_drop_handl), data);
}
static void
open_file_picker(GtkButton *btn,
Peer *device) {
@@ -155,6 +343,9 @@ update_remote_device_list(TeleportWindow *win,
send_btn = GTK_BUTTON (gtk_builder_get_object (builder_remote_list, "send_btn"));
g_signal_connect (send_btn, "clicked", G_CALLBACK (open_file_picker), device);
//Add drag n drop
add_dnd (row, device);
//line = GTK_WIDGET (gtk_builder_get_object (builder_remote_list, "remote_space_row"));
//gtk_list_box_insert(GTK_LIST_BOX(priv->remote_devices_list), line, -1);
g_object_unref (builder_remote_list);