gtk/demos/gtk-demo/appwindow.c
Tor Lillqvist dd36afc207 Don't use the same name for a function that used to be a variable
Rename the gtk_major_version() etc functions I introduced yesterday to
start with gtk_get. Avoids misleading results in client programs whose
developers that don't notice the change or the compiler warnings, and
when recompiling against gtk3 then use the function addresses as the
version numbers.
2010-09-09 11:06:26 +03:00

617 lines
19 KiB
C

/* Application main window
*
* Demonstrates a typical application window with menubar, toolbar, statusbar.
*/
#include <gtk/gtk.h>
#include "config.h"
#include "demo-common.h"
static GtkWidget *window = NULL;
static GtkWidget *infobar = NULL;
static GtkWidget *messagelabel = NULL;
static void
activate_action (GtkAction *action)
{
const gchar *name = gtk_action_get_name (action);
const gchar *typename = G_OBJECT_TYPE_NAME (action);
GtkWidget *dialog;
if (g_str_equal (name, "DarkTheme"))
{
gboolean value = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
GtkSettings *settings = gtk_settings_get_default ();
g_object_set (G_OBJECT (settings),
"gtk-application-prefer-dark-theme", value,
NULL);
return;
}
dialog = gtk_message_dialog_new (GTK_WINDOW (window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_INFO,
GTK_BUTTONS_CLOSE,
"You activated action: \"%s\" of type \"%s\"",
name, typename);
/* Close dialog on user response */
g_signal_connect (dialog,
"response",
G_CALLBACK (gtk_widget_destroy),
NULL);
gtk_widget_show (dialog);
}
static void
activate_radio_action (GtkAction *action, GtkRadioAction *current)
{
const gchar *name = gtk_action_get_name (GTK_ACTION (current));
const gchar *typename = G_OBJECT_TYPE_NAME (GTK_ACTION (current));
gboolean active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (current));
gint value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (current));
if (active)
{
gchar *text;
text = g_strdup_printf ("You activated radio action: \"%s\" of type \"%s\".\n"
"Current value: %d",
name, typename, value);
gtk_label_set_text (GTK_LABEL (messagelabel), text);
gtk_info_bar_set_message_type (GTK_INFO_BAR (infobar), (GtkMessageType)value);
gtk_widget_show (infobar);
g_free (text);
}
}
static void
activate_email (GtkAboutDialog *about,
const gchar *link,
gpointer data)
{
gchar *text;
text = g_strdup_printf ("send mail to %s", link);
g_print ("%s\n", text);
g_free (text);
}
static void
activate_url (GtkAboutDialog *about,
const gchar *link,
gpointer data)
{
g_print ("show url %s\n", link);
}
static void
about_cb (GtkAction *action,
GtkWidget *window)
{
GdkPixbuf *pixbuf, *transparent;
gchar *filename;
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
};
pixbuf = NULL;
transparent = NULL;
filename = demo_find_file ("gtk-logo-rgb.gif", NULL);
if (filename)
{
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
g_free (filename);
transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
g_object_unref (pixbuf);
}
gtk_about_dialog_set_email_hook (activate_email, NULL, NULL);
gtk_about_dialog_set_url_hook (activate_url, NULL, 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) 1997-2009 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", transparent,
"title", "About GTK+ Code Demos",
NULL);
g_object_unref (transparent);
}
typedef struct
{
GtkAction action;
} ToolMenuAction;
typedef struct
{
GtkActionClass parent_class;
} ToolMenuActionClass;
G_DEFINE_TYPE(ToolMenuAction, tool_menu_action, GTK_TYPE_ACTION)
static void
tool_menu_action_class_init (ToolMenuActionClass *class)
{
GTK_ACTION_CLASS (class)->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
}
static void
tool_menu_action_init (ToolMenuAction *action)
{
}
static GtkActionEntry entries[] = {
{ "FileMenu", NULL, "_File" }, /* name, stock id, label */
{ "OpenMenu", NULL, "_Open" }, /* name, stock id, label */
{ "PreferencesMenu", NULL, "_Preferences" }, /* name, stock id, label */
{ "ColorMenu", NULL, "_Color" }, /* name, stock id, label */
{ "ShapeMenu", NULL, "_Shape" }, /* name, stock id, label */
{ "HelpMenu", NULL, "_Help" }, /* name, stock id, label */
{ "New", GTK_STOCK_NEW, /* name, stock id */
"_New", "<control>N", /* label, accelerator */
"Create a new file", /* tooltip */
G_CALLBACK (activate_action) },
{ "File1", NULL, /* name, stock id */
"File1", NULL, /* label, accelerator */
"Open first file", /* tooltip */
G_CALLBACK (activate_action) },
{ "Save", GTK_STOCK_SAVE, /* name, stock id */
"_Save","<control>S", /* label, accelerator */
"Save current file", /* tooltip */
G_CALLBACK (activate_action) },
{ "SaveAs", GTK_STOCK_SAVE, /* name, stock id */
"Save _As...", NULL, /* label, accelerator */
"Save to a file", /* tooltip */
G_CALLBACK (activate_action) },
{ "Quit", GTK_STOCK_QUIT, /* name, stock id */
"_Quit", "<control>Q", /* label, accelerator */
"Quit", /* tooltip */
G_CALLBACK (activate_action) },
{ "About", NULL, /* name, stock id */
"_About", "<control>A", /* label, accelerator */
"About", /* tooltip */
G_CALLBACK (about_cb) },
{ "Logo", "demo-gtk-logo", /* name, stock id */
NULL, NULL, /* label, accelerator */
"GTK+", /* tooltip */
G_CALLBACK (activate_action) },
};
static guint n_entries = G_N_ELEMENTS (entries);
static GtkToggleActionEntry toggle_entries[] = {
{ "Bold", GTK_STOCK_BOLD, /* name, stock id */
"_Bold", "<control>B", /* label, accelerator */
"Bold", /* tooltip */
G_CALLBACK (activate_action),
TRUE }, /* is_active */
{ "DarkTheme", NULL, /* name, stock id */
"_Prefer Dark Theme", NULL, /* label, accelerator */
"Prefer Dark Theme", /* tooltip */
G_CALLBACK (activate_action),
FALSE }, /* is_active */
};
static guint n_toggle_entries = G_N_ELEMENTS (toggle_entries);
enum {
COLOR_RED,
COLOR_GREEN,
COLOR_BLUE
};
static GtkRadioActionEntry color_entries[] = {
{ "Red", NULL, /* name, stock id */
"_Red", "<control>R", /* label, accelerator */
"Blood", COLOR_RED }, /* tooltip, value */
{ "Green", NULL, /* name, stock id */
"_Green", "<control>G", /* label, accelerator */
"Grass", COLOR_GREEN }, /* tooltip, value */
{ "Blue", NULL, /* name, stock id */
"_Blue", "<control>B", /* label, accelerator */
"Sky", COLOR_BLUE }, /* tooltip, value */
};
static guint n_color_entries = G_N_ELEMENTS (color_entries);
enum {
SHAPE_SQUARE,
SHAPE_RECTANGLE,
SHAPE_OVAL
};
static GtkRadioActionEntry shape_entries[] = {
{ "Square", NULL, /* name, stock id */
"_Square", "<control>S", /* label, accelerator */
"Square", SHAPE_SQUARE }, /* tooltip, value */
{ "Rectangle", NULL, /* name, stock id */
"_Rectangle", "<control>R", /* label, accelerator */
"Rectangle", SHAPE_RECTANGLE }, /* tooltip, value */
{ "Oval", NULL, /* name, stock id */
"_Oval", "<control>O", /* label, accelerator */
"Egg", SHAPE_OVAL }, /* tooltip, value */
};
static guint n_shape_entries = G_N_ELEMENTS (shape_entries);
static const gchar *ui_info =
"<ui>"
" <menubar name='MenuBar'>"
" <menu action='FileMenu'>"
" <menuitem action='New'/>"
" <menuitem action='Open'/>"
" <menuitem action='Save'/>"
" <menuitem action='SaveAs'/>"
" <separator/>"
" <menuitem action='Quit'/>"
" </menu>"
" <menu action='PreferencesMenu'>"
" <menuitem action='DarkTheme'/>"
" <menu action='ColorMenu'>"
" <menuitem action='Red'/>"
" <menuitem action='Green'/>"
" <menuitem action='Blue'/>"
" </menu>"
" <menu action='ShapeMenu'>"
" <menuitem action='Square'/>"
" <menuitem action='Rectangle'/>"
" <menuitem action='Oval'/>"
" </menu>"
" <menuitem action='Bold'/>"
" </menu>"
" <menu action='HelpMenu'>"
" <menuitem action='About'/>"
" </menu>"
" </menubar>"
" <toolbar name='ToolBar'>"
" <toolitem action='Open'>"
" <menu action='OpenMenu'>"
" <menuitem action='File1'/>"
" </menu>"
" </toolitem>"
" <toolitem action='Quit'/>"
" <separator action='Sep1'/>"
" <toolitem action='Logo'/>"
" </toolbar>"
"</ui>";
/* This function registers our custom toolbar icons, so they can be themed.
*
* It's totally optional to do this, you could just manually insert icons
* and have them not be themeable, especially if you never expect people
* to theme your app.
*/
static void
register_stock_icons (void)
{
static gboolean registered = FALSE;
if (!registered)
{
GdkPixbuf *pixbuf;
GtkIconFactory *factory;
char *filename;
static GtkStockItem items[] = {
{ "demo-gtk-logo",
"_GTK!",
0, 0, NULL }
};
registered = TRUE;
/* Register our stock items */
gtk_stock_add (items, G_N_ELEMENTS (items));
/* Add our custom icon factory to the list of defaults */
factory = gtk_icon_factory_new ();
gtk_icon_factory_add_default (factory);
/* demo_find_file() looks in the current directory first,
* so you can run gtk-demo without installing GTK, then looks
* in the location where the file is installed.
*/
pixbuf = NULL;
filename = demo_find_file ("gtk-logo-rgb.gif", NULL);
if (filename)
{
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
g_free (filename);
}
/* Register icon to accompany stock item */
if (pixbuf != NULL)
{
GtkIconSet *icon_set;
GdkPixbuf *transparent;
/* The gtk-logo-rgb icon has a white background, make it transparent */
transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
icon_set = gtk_icon_set_new_from_pixbuf (transparent);
gtk_icon_factory_add (factory, "demo-gtk-logo", icon_set);
gtk_icon_set_unref (icon_set);
g_object_unref (pixbuf);
g_object_unref (transparent);
}
else
g_warning ("failed to load GTK logo for toolbar");
/* Drop our reference to the factory, GTK will hold a reference. */
g_object_unref (factory);
}
}
static void
update_statusbar (GtkTextBuffer *buffer,
GtkStatusbar *statusbar)
{
gchar *msg;
gint row, col;
gint count;
GtkTextIter iter;
gtk_statusbar_pop (statusbar, 0); /* clear any previous message,
* underflow is allowed
*/
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
update_resize_grip (GtkWidget *widget,
GdkEventWindowState *event,
GtkStatusbar *statusbar)
{
if (event->changed_mask & (GDK_WINDOW_STATE_MAXIMIZED |
GDK_WINDOW_STATE_FULLSCREEN))
{
gboolean maximized;
maximized = event->new_window_state & (GDK_WINDOW_STATE_MAXIMIZED |
GDK_WINDOW_STATE_FULLSCREEN);
gtk_statusbar_set_has_resize_grip (statusbar, !maximized);
}
}
GtkWidget *
do_appwindow (GtkWidget *do_widget)
{
if (!window)
{
GtkWidget *table;
GtkWidget *statusbar;
GtkWidget *contents;
GtkWidget *sw;
GtkWidget *bar;
GtkTextBuffer *buffer;
GtkActionGroup *action_group;
GtkAction *open_action;
GtkUIManager *merge;
GError *error = NULL;
register_stock_icons ();
/* Create the toplevel window
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_screen (GTK_WINDOW (window),
gtk_widget_get_screen (do_widget));
gtk_window_set_title (GTK_WINDOW (window), "Application Window");
gtk_window_set_icon_name (GTK_WINDOW (window), "document-open");
/* NULL window variable when window is closed */
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&window);
table = gtk_table_new (1, 5, FALSE);
gtk_container_add (GTK_CONTAINER (window), table);
/* Create the menubar and toolbar
*/
action_group = gtk_action_group_new ("AppWindowActions");
open_action = g_object_new (tool_menu_action_get_type (),
"name", "Open",
"label", "_Open",
"tooltip", "Open a file",
"stock-id", GTK_STOCK_OPEN,
NULL);
gtk_action_group_add_action (action_group, open_action);
g_object_unref (open_action);
gtk_action_group_add_actions (action_group,
entries, n_entries,
window);
gtk_action_group_add_toggle_actions (action_group,
toggle_entries, n_toggle_entries,
NULL);
gtk_action_group_add_radio_actions (action_group,
color_entries, n_color_entries,
COLOR_RED,
G_CALLBACK (activate_radio_action),
NULL);
gtk_action_group_add_radio_actions (action_group,
shape_entries, n_shape_entries,
SHAPE_SQUARE,
G_CALLBACK (activate_radio_action),
NULL);
merge = gtk_ui_manager_new ();
g_object_set_data_full (G_OBJECT (window), "ui-manager", merge,
g_object_unref);
gtk_ui_manager_insert_action_group (merge, action_group, 0);
gtk_window_add_accel_group (GTK_WINDOW (window),
gtk_ui_manager_get_accel_group (merge));
if (!gtk_ui_manager_add_ui_from_string (merge, ui_info, -1, &error))
{
g_message ("building menus failed: %s", error->message);
g_error_free (error);
}
bar = gtk_ui_manager_get_widget (merge, "/MenuBar");
gtk_widget_show (bar);
gtk_table_attach (GTK_TABLE (table),
bar,
/* X direction */ /* Y direction */
0, 1, 0, 1,
GTK_EXPAND | GTK_FILL, 0,
0, 0);
bar = gtk_ui_manager_get_widget (merge, "/ToolBar");
gtk_widget_show (bar);
gtk_table_attach (GTK_TABLE (table),
bar,
/* X direction */ /* Y direction */
0, 1, 1, 2,
GTK_EXPAND | GTK_FILL, 0,
0, 0);
/* Create document
*/
infobar = gtk_info_bar_new ();
gtk_widget_set_no_show_all (infobar, TRUE);
messagelabel = gtk_label_new ("");
gtk_widget_show (messagelabel);
gtk_box_pack_start (GTK_BOX (gtk_info_bar_get_content_area (GTK_INFO_BAR (infobar))),
messagelabel,
TRUE, TRUE, 0);
gtk_info_bar_add_button (GTK_INFO_BAR (infobar),
GTK_STOCK_OK, GTK_RESPONSE_OK);
g_signal_connect (infobar, "response",
G_CALLBACK (gtk_widget_hide), NULL);
gtk_table_attach (GTK_TABLE (table),
infobar,
/* X direction */ /* Y direction */
0, 1, 2, 3,
GTK_EXPAND | GTK_FILL, 0,
0, 0);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
GTK_SHADOW_IN);
gtk_table_attach (GTK_TABLE (table),
sw,
/* X direction */ /* Y direction */
0, 1, 3, 4,
GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
0, 0);
gtk_window_set_default_size (GTK_WINDOW (window),
200, 200);
contents = gtk_text_view_new ();
gtk_widget_grab_focus (contents);
gtk_container_add (GTK_CONTAINER (sw),
contents);
/* Create statusbar */
statusbar = gtk_statusbar_new ();
gtk_table_attach (GTK_TABLE (table),
statusbar,
/* X direction */ /* Y direction */
0, 1, 4, 5,
GTK_EXPAND | GTK_FILL, 0,
0, 0);
/* Show text widget info in the statusbar */
buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (contents));
g_signal_connect_object (buffer,
"changed",
G_CALLBACK (update_statusbar),
statusbar,
0);
g_signal_connect_object (buffer,
"mark_set", /* cursor moved */
G_CALLBACK (mark_set_callback),
statusbar,
0);
g_signal_connect_object (window,
"window_state_event",
G_CALLBACK (update_resize_grip),
statusbar,
0);
update_statusbar (buffer, GTK_STATUSBAR (statusbar));
}
if (!gtk_widget_get_visible (window))
{
gtk_widget_show_all (window);
}
else
{
gtk_widget_destroy (window);
window = NULL;
infobar = NULL;
messagelabel = NULL;
}
return window;
}