Comece um programa com a janela principal: copie e cole o código.
Application main window
Demonstrates a typical application window with menubar, toolbar, statusbar.
_Janela principal da aplicação
Demonstra uma janela típica da aplicação: com menubar, toolbar, statusbar e outras.
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Código
#include
#include "config.h"
#include "demo-common.h"
static GtkWidget *window = 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;
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)
{
GtkWidget *dialog;
dialog = gtk_message_dialog_new (GTK_WINDOW (window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_INFO,
GTK_BUTTONS_CLOSE,
"You activated radio action: "%s" of type "%s". "
"Current value: %d",
name, typename, value);
/* Close dialog on user response */
g_signal_connect (dialog,
"response",
G_CALLBACK (gtk_widget_destroy),
NULL);
gtk_widget_show (dialog);
}
}
static void
activate_email (GtkAboutDialog *about,
const gchar *link,
gpointer data)
{
g_print ("send mail to %s ", link);
}
static void
activate_url (GtkAboutDialog *about,
const gchar *link,
gpointer data)
{
g_print ("show url %s ", 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 ",
"and many more...",
NULL
};
const gchar *license =
"This library is free software; you can redistribute it and/or "
"modify it under the terms of the GNU Library General Public License as "
"published by the Free Software Foundation; either version 2 of the "
"License, or (at your option) any later version. "
" "
"This library is distributed in the hope that it will be useful, "
"but WITHOUT ANY WARRANTY; without even the implied warranty of "
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU "
"Library General Public License for more details. "
" "
"You should have received a copy of the GNU Library General Public "
"License along with the Gnome Library; see the file COPYING.LIB. If not, "
"write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, "
"Boston, MA 02111-1307, USA. ";
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", PACKAGE_VERSION,
"copyright", "(C) 1997-2009 The GTK+ Team",
"license", license,
"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", "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","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", "Q", /* label, accelerator */
"Quit", /* tooltip */
G_CALLBACK (activate_action) },
{ "About", NULL, /* name, stock id */
"_About", "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", "B", /* label, accelerator */
"Bold", /* tooltip */
G_CALLBACK (activate_action),
TRUE }, /* 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", "R", /* label, accelerator */
"Blood", COLOR_RED }, /* tooltip, value */
{ "Green", NULL, /* name, stock id */
"_Green", "G", /* label, accelerator */
"Grass", COLOR_GREEN }, /* tooltip, value */
{ "Blue", NULL, /* name, stock id */
"_Blue", "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", "S", /* label, accelerator */
"Square", SHAPE_SQUARE }, /* tooltip, value */
{ "Rectangle", NULL, /* name, stock id */
"_Rectangle", "R", /* label, accelerator */
"Rectangle", SHAPE_RECTANGLE }, /* tooltip, value */
{ "Oval", NULL, /* name, stock id */
"_Oval", "O", /* label, accelerator */
"Egg", SHAPE_OVAL }, /* tooltip, value */
};
static guint n_shape_entries = G_N_ELEMENTS (shape_entries);
static const gchar *ui_info =
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'>"
" <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), "gtk-open");
/* NULL window variable when window is closed */
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&window);
table = gtk_table_new (1, 4, 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
*/
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, 2, 3,
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, 3, 4,
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_VISIBLE (window))
{
gtk_widget_show_all (window);
}
else
{
gtk_widget_destroy (window);
window = NULL;
}
return window;
}
------------------------------------------->> Continua em breve!.. este em 21/06/2010
