mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-25 13:11:13 +00:00
51dc4873fd
Its very easy to get extra references to the NativeDialog so that when you release your last reference any visible dialog is not hidden. We handle this by adding a destroy method similar to how you destroy regular toplevels.
531 lines
15 KiB
C
531 lines
15 KiB
C
/* Application Class
|
|
*
|
|
* Demonstrates a simple application.
|
|
*
|
|
* This examples uses GtkApplication, GtkApplicationWindow, GtkBuilder
|
|
* as well as GMenu and GResource. Due to the way GtkApplication is structured,
|
|
* it is run as a separate process.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
|
|
#ifdef STANDALONE
|
|
|
|
static void create_window (GApplication *app, const char *contents);
|
|
|
|
static void
|
|
show_action_dialog (GSimpleAction *action)
|
|
{
|
|
const gchar *name;
|
|
GtkWidget *dialog;
|
|
|
|
name = g_action_get_name (G_ACTION (action));
|
|
|
|
dialog = gtk_message_dialog_new (NULL,
|
|
GTK_DIALOG_DESTROY_WITH_PARENT,
|
|
GTK_MESSAGE_INFO,
|
|
GTK_BUTTONS_CLOSE,
|
|
"You activated action: \"%s\"",
|
|
name);
|
|
|
|
g_signal_connect (dialog, "response",
|
|
G_CALLBACK (gtk_widget_destroy), NULL);
|
|
|
|
gtk_widget_show (dialog);
|
|
}
|
|
|
|
static void
|
|
show_action_infobar (GSimpleAction *action,
|
|
GVariant *parameter,
|
|
gpointer window)
|
|
{
|
|
GtkWidget *infobar;
|
|
GtkWidget *message;
|
|
gchar *text;
|
|
const gchar *name;
|
|
const gchar *value;
|
|
|
|
name = g_action_get_name (G_ACTION (action));
|
|
value = g_variant_get_string (parameter, NULL);
|
|
|
|
message = g_object_get_data (G_OBJECT (window), "message");
|
|
infobar = g_object_get_data (G_OBJECT (window), "infobar");
|
|
text = g_strdup_printf ("You activated radio action: \"%s\".\n"
|
|
"Current value: %s", name, value);
|
|
gtk_label_set_text (GTK_LABEL (message), text);
|
|
gtk_widget_show (infobar);
|
|
g_free (text);
|
|
}
|
|
|
|
static void
|
|
activate_action (GSimpleAction *action,
|
|
GVariant *parameter,
|
|
gpointer user_data)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
gtk_native_dialog_destroy (GTK_NATIVE_DIALOG (native));
|
|
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,
|
|
gpointer user_data)
|
|
{
|
|
GVariant *state;
|
|
|
|
show_action_dialog (action);
|
|
|
|
state = g_action_get_state (G_ACTION (action));
|
|
g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
|
|
g_variant_unref (state);
|
|
}
|
|
|
|
static void
|
|
activate_radio (GSimpleAction *action,
|
|
GVariant *parameter,
|
|
gpointer user_data)
|
|
{
|
|
show_action_infobar (action, parameter, user_data);
|
|
|
|
g_action_change_state (G_ACTION (action), parameter);
|
|
}
|
|
|
|
static void
|
|
activate_about (GSimpleAction *action,
|
|
GVariant *parameter,
|
|
gpointer user_data)
|
|
{
|
|
GtkWidget *window = user_data;
|
|
|
|
const gchar *authors[] = {
|
|
"Peter Mattis",
|
|
"Spencer Kimball",
|
|
"Josh MacDonald",
|
|
"and many more...",
|
|
NULL
|
|
};
|
|
|
|
const gchar *documentors[] = {
|
|
"Owen Taylor",
|
|
"Tony Gale",
|
|
"Matthias Clasen <mclasen@redhat.com>",
|
|
"and many more...",
|
|
NULL
|
|
};
|
|
|
|
gtk_show_about_dialog (GTK_WINDOW (window),
|
|
"program-name", "GTK+ Code Demos",
|
|
"version", g_strdup_printf ("%s,\nRunning against GTK+ %d.%d.%d",
|
|
PACKAGE_VERSION,
|
|
gtk_get_major_version (),
|
|
gtk_get_minor_version (),
|
|
gtk_get_micro_version ()),
|
|
"copyright", "(C) 1997-2013 The GTK+ Team",
|
|
"license-type", GTK_LICENSE_LGPL_2_1,
|
|
"website", "http://www.gtk.org",
|
|
"comments", "Program to demonstrate GTK+ functions.",
|
|
"authors", authors,
|
|
"documenters", documentors,
|
|
"logo-icon-name", "gtk3-demo",
|
|
"title", "About GTK+ Code Demos",
|
|
NULL);
|
|
}
|
|
|
|
static void
|
|
activate_quit (GSimpleAction *action,
|
|
GVariant *parameter,
|
|
gpointer user_data)
|
|
{
|
|
GtkApplication *app = user_data;
|
|
GtkWidget *win;
|
|
GList *list, *next;
|
|
|
|
list = gtk_application_get_windows (app);
|
|
while (list)
|
|
{
|
|
win = list->data;
|
|
next = list->next;
|
|
|
|
gtk_widget_destroy (GTK_WIDGET (win));
|
|
|
|
list = next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
update_statusbar (GtkTextBuffer *buffer,
|
|
GtkStatusbar *statusbar)
|
|
{
|
|
gchar *msg;
|
|
gint row, col;
|
|
gint count;
|
|
GtkTextIter iter;
|
|
|
|
/* clear any previous message, underflow is allowed */
|
|
gtk_statusbar_pop (statusbar, 0);
|
|
|
|
count = gtk_text_buffer_get_char_count (buffer);
|
|
|
|
gtk_text_buffer_get_iter_at_mark (buffer,
|
|
&iter,
|
|
gtk_text_buffer_get_insert (buffer));
|
|
|
|
row = gtk_text_iter_get_line (&iter);
|
|
col = gtk_text_iter_get_line_offset (&iter);
|
|
|
|
msg = g_strdup_printf ("Cursor at row %d column %d - %d chars in document",
|
|
row, col, count);
|
|
|
|
gtk_statusbar_push (statusbar, 0, msg);
|
|
|
|
g_free (msg);
|
|
}
|
|
|
|
static void
|
|
mark_set_callback (GtkTextBuffer *buffer,
|
|
const GtkTextIter *new_location,
|
|
GtkTextMark *mark,
|
|
gpointer data)
|
|
{
|
|
update_statusbar (buffer, GTK_STATUSBAR (data));
|
|
}
|
|
|
|
static void
|
|
change_theme_state (GSimpleAction *action,
|
|
GVariant *state,
|
|
gpointer user_data)
|
|
{
|
|
GtkSettings *settings = gtk_settings_get_default ();
|
|
|
|
g_object_set (G_OBJECT (settings),
|
|
"gtk-application-prefer-dark-theme",
|
|
g_variant_get_boolean (state),
|
|
NULL);
|
|
|
|
g_simple_action_set_state (action, state);
|
|
}
|
|
|
|
static void
|
|
change_titlebar_state (GSimpleAction *action,
|
|
GVariant *state,
|
|
gpointer user_data)
|
|
{
|
|
GtkWindow *window = user_data;
|
|
|
|
gtk_window_set_hide_titlebar_when_maximized (GTK_WINDOW (window),
|
|
g_variant_get_boolean (state));
|
|
|
|
g_simple_action_set_state (action, state);
|
|
}
|
|
|
|
static void
|
|
change_radio_state (GSimpleAction *action,
|
|
GVariant *state,
|
|
gpointer user_data)
|
|
{
|
|
g_simple_action_set_state (action, state);
|
|
}
|
|
|
|
static GActionEntry app_entries[] = {
|
|
{ "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 },
|
|
{ "dark", activate_toggle, NULL, "false", change_theme_state }
|
|
};
|
|
|
|
static GActionEntry win_entries[] = {
|
|
{ "titlebar", activate_toggle, NULL, "false", change_titlebar_state },
|
|
{ "shape", activate_radio, "s", "'oval'", change_radio_state },
|
|
{ "bold", activate_toggle, NULL, "false", NULL },
|
|
{ "about", activate_about, NULL, NULL, NULL },
|
|
{ "file1", activate_action, NULL, NULL, NULL },
|
|
{ "logo", activate_action, NULL, NULL, NULL }
|
|
};
|
|
|
|
static void
|
|
clicked_cb (GtkWidget *widget, GtkWidget *info)
|
|
{
|
|
gtk_widget_hide (info);
|
|
}
|
|
|
|
static void
|
|
startup (GApplication *app)
|
|
{
|
|
GtkBuilder *builder;
|
|
GMenuModel *appmenu;
|
|
GMenuModel *menubar;
|
|
|
|
builder = gtk_builder_new ();
|
|
gtk_builder_add_from_resource (builder, "/application/menus.ui", NULL);
|
|
|
|
appmenu = (GMenuModel *)gtk_builder_get_object (builder, "appmenu");
|
|
menubar = (GMenuModel *)gtk_builder_get_object (builder, "menubar");
|
|
|
|
gtk_application_set_app_menu (GTK_APPLICATION (app), appmenu);
|
|
gtk_application_set_menubar (GTK_APPLICATION (app), menubar);
|
|
|
|
g_object_unref (builder);
|
|
}
|
|
|
|
static void
|
|
create_window (GApplication *app,
|
|
const char *content_text)
|
|
{
|
|
GtkBuilder *builder;
|
|
GtkWidget *window;
|
|
GtkWidget *grid;
|
|
GtkWidget *contents;
|
|
GtkWidget *status;
|
|
GtkWidget *message;
|
|
GtkWidget *button;
|
|
GtkWidget *infobar;
|
|
GtkWidget *menutool;
|
|
GMenuModel *toolmenu;
|
|
GtkTextBuffer *buffer;
|
|
|
|
window = gtk_application_window_new (GTK_APPLICATION (app));
|
|
gtk_window_set_title (GTK_WINDOW (window), "Application Class");
|
|
gtk_window_set_icon_name (GTK_WINDOW (window), "document-open");
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 200, 200);
|
|
|
|
g_action_map_add_action_entries (G_ACTION_MAP (window),
|
|
win_entries, G_N_ELEMENTS (win_entries),
|
|
window);
|
|
|
|
builder = gtk_builder_new ();
|
|
gtk_builder_add_from_resource (builder, "/application/application.ui", NULL);
|
|
|
|
grid = (GtkWidget *)gtk_builder_get_object (builder, "grid");
|
|
contents = (GtkWidget *)gtk_builder_get_object (builder, "contents");
|
|
status = (GtkWidget *)gtk_builder_get_object (builder, "status");
|
|
message = (GtkWidget *)gtk_builder_get_object (builder, "message");
|
|
button = (GtkWidget *)gtk_builder_get_object (builder, "button");
|
|
infobar = (GtkWidget *)gtk_builder_get_object (builder, "infobar");
|
|
menutool = (GtkWidget *)gtk_builder_get_object (builder, "menutool");
|
|
toolmenu = (GMenuModel *)gtk_builder_get_object (builder, "toolmenu");
|
|
|
|
g_object_set_data (G_OBJECT (window), "message", message);
|
|
g_object_set_data (G_OBJECT (window), "infobar", infobar);
|
|
|
|
gtk_container_add (GTK_CONTAINER (window), grid);
|
|
|
|
gtk_menu_tool_button_set_menu (GTK_MENU_TOOL_BUTTON (menutool),
|
|
gtk_menu_new_from_model (toolmenu));
|
|
|
|
gtk_widget_grab_focus (contents);
|
|
g_signal_connect (button, "clicked", G_CALLBACK (clicked_cb), infobar);
|
|
|
|
/* 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",
|
|
G_CALLBACK (mark_set_callback), status, 0);
|
|
|
|
update_statusbar (buffer, GTK_STATUSBAR (status));
|
|
|
|
gtk_widget_show_all (window);
|
|
|
|
g_object_unref (builder);
|
|
}
|
|
|
|
static void
|
|
activate (GApplication *app)
|
|
{
|
|
create_window (app, NULL);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GtkApplication *app;
|
|
GSettings *settings;
|
|
GAction *action;
|
|
|
|
gtk_init (NULL, NULL);
|
|
|
|
app = gtk_application_new ("org.gtk.Demo2", 0);
|
|
settings = g_settings_new ("org.gtk.Demo");
|
|
|
|
g_action_map_add_action_entries (G_ACTION_MAP (app),
|
|
app_entries, G_N_ELEMENTS (app_entries),
|
|
app);
|
|
|
|
action = g_settings_create_action (settings, "color");
|
|
|
|
g_action_map_add_action (G_ACTION_MAP (app), action);
|
|
|
|
g_signal_connect (app, "startup", G_CALLBACK (startup), NULL);
|
|
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
|
|
|
|
g_application_run (G_APPLICATION (app), 0, NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else /* !STANDALONE */
|
|
|
|
static gboolean name_seen;
|
|
static GtkWidget *placeholder;
|
|
|
|
static void
|
|
on_name_appeared (GDBusConnection *connection,
|
|
const gchar *name,
|
|
const gchar *name_owner,
|
|
gpointer user_data)
|
|
{
|
|
name_seen = TRUE;
|
|
}
|
|
|
|
static void
|
|
on_name_vanished (GDBusConnection *connection,
|
|
const gchar *name,
|
|
gpointer user_data)
|
|
{
|
|
if (!name_seen)
|
|
return;
|
|
|
|
if (placeholder)
|
|
{
|
|
gtk_widget_destroy (placeholder);
|
|
g_object_unref (placeholder);
|
|
placeholder = NULL;
|
|
}
|
|
}
|
|
|
|
#ifdef G_OS_WIN32
|
|
#define APP_EXTENSION ".exe"
|
|
#else
|
|
#define APP_EXTENSION
|
|
#endif
|
|
|
|
GtkWidget *
|
|
do_application (GtkWidget *toplevel)
|
|
{
|
|
static guint watch = 0;
|
|
|
|
if (watch == 0)
|
|
watch = g_bus_watch_name (G_BUS_TYPE_SESSION,
|
|
"org.gtk.Demo2",
|
|
0,
|
|
on_name_appeared,
|
|
on_name_vanished,
|
|
NULL, NULL);
|
|
|
|
if (placeholder == NULL)
|
|
{
|
|
const gchar *command;
|
|
GError *error = NULL;
|
|
|
|
if (g_file_test ("./gtk3-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))
|
|
command = "./gtk3-demo-application" APP_EXTENSION;
|
|
else
|
|
command = "gtk3-demo-application";
|
|
|
|
if (!g_spawn_command_line_async (command, &error))
|
|
{
|
|
g_warning ("%s", error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
placeholder = gtk_label_new ("");
|
|
g_object_ref_sink (placeholder);
|
|
}
|
|
else
|
|
{
|
|
g_dbus_connection_call_sync (g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL),
|
|
"org.gtk.Demo2",
|
|
"/org/gtk/Demo2",
|
|
"org.gtk.Actions",
|
|
"Activate",
|
|
g_variant_new ("(sava{sv})", "quit", NULL, NULL),
|
|
NULL,
|
|
0,
|
|
G_MAXINT,
|
|
NULL, NULL);
|
|
}
|
|
|
|
return placeholder;
|
|
}
|
|
|
|
#endif
|