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gtk3-demo: Add open file to the application demo

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This commit is contained in:
Alexander Larsson 2015-11-05 16:25:59 +01:00
parent 13c2717d88
commit 5744c757c2
1 changed files with 87 additions and 3 deletions
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90
demos/gtk-demo/application.c
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@ -13,6 +13,8 @@
#ifdef STANDALONE
static void create_window (GApplication *app, const char *contents);
static void
show_action_dialog (GSimpleAction *action)
{
@ -65,6 +67,79 @@ activate_action (GSimpleAction *action,
show_action_dialog (action);
}
static void
activate_new (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GApplication *app = user_data;
create_window (app, NULL);
}
static void
open_response_cb (GtkNativeDialog *dialog,
gint response_id,
gpointer user_data)
{
GtkFileChooserNative *native = user_data;
GApplication *app = g_object_get_data (G_OBJECT (native), "app");
GtkWidget *message_dialog;
GFile *file;
char *contents;
GError *error = NULL;
if (response_id == GTK_RESPONSE_ACCEPT)
{
file = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (native));
if (g_file_load_contents (file, NULL, &contents, NULL, NULL, &error))
{
create_window (app, contents);
g_free (contents);
}
else
{
message_dialog = gtk_message_dialog_new (NULL,
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error loading file: \"%s\"",
error->message);
g_signal_connect (message_dialog, "response",
G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show (message_dialog);
g_error_free (error);
}
}
g_object_unref (native);
}
static void
activate_open (GSimpleAction *action,
GVariant *parameter,
gpointer user_data)
{
GApplication *app = user_data;
GtkFileChooserNative *native;
native = gtk_file_chooser_native_new ("Open File",
NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
"_Open",
"_Cancel");
g_object_set_data_full (G_OBJECT (native), "app", g_object_ref (app), g_object_unref);
g_signal_connect (native,
"response",
G_CALLBACK (open_response_cb),
native);
gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
}
static void
activate_toggle (GSimpleAction *action,
GVariant *parameter,
@ -226,8 +301,8 @@ change_radio_state (GSimpleAction *action,
}
static GActionEntry app_entries[] = {
{ "new", activate_action, NULL, NULL, NULL },
{ "open", activate_action, NULL, NULL, NULL },
{ "new", activate_new, NULL, NULL, NULL },
{ "open", activate_open, NULL, NULL, NULL },
{ "save", activate_action, NULL, NULL, NULL },
{ "save-as", activate_action, NULL, NULL, NULL },
{ "quit", activate_quit, NULL, NULL, NULL },
@ -269,7 +344,8 @@ startup (GApplication *app)
}
static void
activate (GApplication *app)
create_window (GApplication *app,
const char *content_text)
{
GtkBuilder *builder;
GtkWidget *window;
@ -317,6 +393,8 @@ activate (GApplication *app)
/* Show text widget info in the statusbar */
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (contents));
if (content_text)
gtk_text_buffer_set_text (buffer, content_text, -1);
g_signal_connect_object (buffer, "changed",
G_CALLBACK (update_statusbar), status, 0);
g_signal_connect_object (buffer, "mark-set",
@ -329,6 +407,12 @@ activate (GApplication *app)
g_object_unref (builder);
}
static void
activate (GApplication *app)
{
create_window (app, NULL);
}
int
main (int argc, char *argv[])
{