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#include <gtk/gtk.h>
#include <stdlib.h>
#include <stdbool.h>
enum
{
COL_PIXBUF = 0,
COL_URI,
NUM_COLS
} ;
static void destroy(GtkWidget *widget ,gpointer pointer) ;
static gboolean delete_event(GtkWidget *widget,GdkEvent *event,gpointer pointer) ;
static void at_exit_handler(void) ;
static GError *error = NULL ;
static GFileInfo *g_file_info = NULL ;
void get_icon_async(GObject *source_object, GAsyncResult *res, gpointer user_data) {
g_file_info = g_file_query_info_finish( (GFile *) source_object, res, &error);
if (error != NULL) {
g_warning("%s\n", error->message) ;
}
return ;
}
static GIcon *get_icon_from_file(const char *uri) {
g_print("uri: %s\n", uri) ;
gchar *filepath = g_filename_from_uri((const gchar *) uri, NULL, NULL) ;
GFile *g_file = g_file_new_for_path(filepath) ;
g_print("= %p\n%s\n", g_file, g_file_get_path(g_file)) ;
GFileInfo *g_file_info = g_file_query_info(g_file, G_FILE_ATTRIBUTE_STANDARD_ICON, G_FILE_QUERY_INFO_NONE, NULL, &error) ;
//g_file_query_info_async(g_file, G_FILE_ATTRIBUTE_STANDARD_ICON, G_FILE_QUERY_INFO_NONE, G_PRIORITY_DEFAULT, NULL, (GAsyncReadyCallback) get_icon_async, NULL);
if (error != NULL) {
g_warning("%s\n", error->message) ;
g_clear_error(&error) ;
}
GIcon *icon = g_file_info_get_icon(g_file_info) ;
return icon ;
}
void drag_data_received(GtkWidget *wgt, GdkDragContext *context, int x, int y, GtkSelectionData *seldata, guint info, guint time, gpointer userdata) {
GtkTreeModel *model;
GtkTreeIter iter;
gchar *uri = (gchar *) gtk_selection_data_get_text(seldata) ; // This function return a guchar.
GIcon *icon = get_icon_from_file(uri) ;
g_print("GIcon: %p\n", icon) ;
GtkWidget *image = gtk_image_new_from_gicon(icon, GTK_ICON_SIZE_DND) ;
model = GTK_TREE_MODEL(userdata);
gtk_list_store_append(GTK_LIST_STORE(model), &iter);
gtk_list_store_set(GTK_LIST_STORE(model), &iter, COL_PIXBUF, gtk_image_get_pixbuf(GTK_IMAGE(image)), COL_URI, uri, -1) ;
gtk_widget_destroy(image) ;
g_free(uri) ;
}
static GtkListStore *create_liststore(void) {
GtkTreeIter iter ;
GdkPixbuf *icon = NULL ;
GtkListStore *store = gtk_list_store_new(2, GDK_TYPE_PIXBUF, G_TYPE_STRING);
icon = gdk_pixbuf_new_from_file("/set/an/image/path/it/will/work", &error);
if (error != NULL) {
/** FIXME: fallback needed ! **/
g_warning ("Could not load icon: %s\n", error->message);
g_clear_error(&error);
}
gtk_list_store_append(store, &iter);
gtk_list_store_set(store, &iter, COL_PIXBUF, icon, COL_URI, "URI", -1);
return store;
}
static GtkWidget *create_treeview(void) {
GtkTreeViewColumn *col;
GtkCellRenderer *renderer;
GtkWidget *view;
GtkListStore *store = create_liststore();
view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
col = gtk_tree_view_column_new();
gtk_tree_view_column_set_title(col, "Title");
renderer = gtk_cell_renderer_pixbuf_new();
gtk_tree_view_column_pack_start(col, renderer, FALSE);
gtk_tree_view_column_set_attributes(col, renderer,
"pixbuf", COL_PIXBUF,
NULL);
renderer = gtk_cell_renderer_text_new();
gtk_tree_view_column_pack_start(col, renderer, TRUE);
gtk_tree_view_column_set_attributes(col, renderer,
"text", COL_URI,
NULL);
gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
gtk_widget_show_all(view);
/* Make tree view a destination for Drag'n'Drop */
enum
{
TARGET_STRING,
TARGET_URL
};
static GtkTargetEntry targetentries[] =
{
{ "STRING", 0, TARGET_STRING },
{ "text/plain", 0, TARGET_STRING },
{ "text/uri-list", 0, TARGET_URL },
};
gtk_drag_dest_set(view, GTK_DEST_DEFAULT_ALL, targetentries, 3,
GDK_ACTION_COPY|GDK_ACTION_MOVE|GDK_ACTION_LINK);
g_signal_connect(view, "drag_data_received", G_CALLBACK(drag_data_received), store);
return view;
}
int main(int argc, char *argv[]) {
g_set_application_name("Destroyer") ;
const char *app_id = "destroyer.app.mrcyberfighter" ; /** @Hint: For using Gtk notification you will have create a *.desktop file named has the id (prgname.org in this case) and getting a dbus connection. ; **/
if ( ! g_application_id_is_valid(app_id) ) {
fprintf(stderr, "Wrong app id\n") ;
exit(EXIT_FAILURE) ;
}
int app_flags = G_APPLICATION_NON_UNIQUE | G_APPLICATION_SEND_ENVIRONMENT | G_APPLICATION_HANDLES_OPEN ;
GtkApplication *app = gtk_application_new(app_id, app_flags) ;
bool registered = g_application_register(G_APPLICATION(app), NULL, &error) ;
if (error != NULL || (! registered)) {
fprintf(stderr,"Cannot register app: %s\n", error->message) ;
g_clear_error(&error) ;
exit(EXIT_FAILURE) ;
}
GtkWidget *window = gtk_application_window_new(app) ;
g_signal_connect_after(G_OBJECT(window), "delete-event", G_CALLBACK(delete_event), NULL) ;
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL) ;
gtk_window_set_default_size(GTK_WINDOW(window), 800, 600);
GtkWidget *scrollable_window = gtk_scrolled_window_new(NULL, NULL);
GtkWidget *treeview = create_treeview();
gtk_container_add(GTK_CONTAINER(scrollable_window), treeview) ;
gtk_container_add(GTK_CONTAINER(window), scrollable_window) ;
gtk_widget_show_all(window) ;
int status = g_application_run(G_APPLICATION(app), argc, argv);
g_object_unref(app) ;
return status ;
}
static void destroy(GtkWidget *widget, gpointer pointer) {
exit(EXIT_SUCCESS) ;
return ;
}
static gboolean delete_event(GtkWidget *widget,GdkEvent *event,gpointer pointer) {
return FALSE ;
} |
