gtk2/modules/input/imbroadway.c
Alexander Larsson 4226f97d54 broadway: Support ipad on-screen keyboard
We add a custom im module for broadway that calls some broadway
specific APIs to show/hide the keyboard on focus in/out. We then forward this
to the browser, and on the ipad we focus an input field to activate
the keyboard.
2013-11-13 12:23:06 +01:00

164 lines
4.4 KiB
C

/*
* gtkimmodulebroadway
* Copyright (C) 2013 Alexander Larsson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* $Id:$
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gtk/gtkintl.h"
#include "gtk/gtkimmodule.h"
#include "gdk/broadway/gdkbroadway.h"
#define GTK_IM_CONTEXT_TYPE_BROADWAY (type_broadway)
#define GTK_IM_CONTEXT_BROADWAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_IM_CONTEXT_TYPE_BROADWAY, GtkIMContextBroadway))
#define GTK_IM_CONTEXT_BROADWAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GTK_IM_CONTEXT_TYPE_BROADWAY, GtkIMContextBroadwayClass))
typedef struct _GtkIMContextBroadway
{
GtkIMContextSimple parent;
GdkWindow *client_window;
} GtkIMContextBroadway;
typedef struct _GtkIMContextBroadwayClass
{
GtkIMContextSimpleClass parent_class;
} GtkIMContextBroadwayClass;
GType type_broadway = 0;
static GObjectClass *parent_class;
static const GtkIMContextInfo imbroadway_info =
{
"broadway", /* ID */
"Broadway", /* Human readable name */
GETTEXT_PACKAGE, /* Translation domain */
GTK_LOCALEDIR, /* Dir for bindtextdomain (not strictly needed for "gtk+") */
"", /* Languages for which this module is the default */
};
static const GtkIMContextInfo *info_list[] =
{
&imbroadway_info,
};
#ifndef INCLUDE_IM_broadway
#define MODULE_ENTRY(type,function) G_MODULE_EXPORT type im_module_ ## function
#else
#define MODULE_ENTRY(type, function) type _gtk_immodule_broadway_ ## function
#endif
static void
broadway_set_client_window (GtkIMContext *context, GdkWindow *window)
{
GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
bw->client_window = window;
}
static void
broadway_focus_in (GtkIMContext *context)
{
GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
GdkDisplay *display;
if (bw->client_window)
{
display = gdk_window_get_display (bw->client_window);
gdk_broadway_display_show_keyboard (GDK_BROADWAY_DISPLAY (display));
}
}
static void
broadway_focus_out (GtkIMContext *context)
{
GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
GdkDisplay *display;
if (bw->client_window)
{
display = gdk_window_get_display (bw->client_window);
gdk_broadway_display_hide_keyboard (GDK_BROADWAY_DISPLAY (display));
}
}
static void
gtk_im_context_broadway_class_init (GtkIMContextClass *klass)
{
parent_class = g_type_class_peek_parent (klass);
klass->focus_in = broadway_focus_in;
klass->focus_out = broadway_focus_out;
klass->set_client_window = broadway_set_client_window;
}
static void
gtk_im_context_broadway_init (GtkIMContext *im_context)
{
}
static void
gtk_im_context_broadway_register_type (GTypeModule *module)
{
const GTypeInfo object_info =
{
sizeof (GtkIMContextBroadwayClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gtk_im_context_broadway_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkIMContextBroadway),
0,
(GInstanceInitFunc) gtk_im_context_broadway_init,
};
type_broadway =
g_type_module_register_type (module,
GTK_TYPE_IM_CONTEXT_SIMPLE,
"GtkIMContextBroadway",
&object_info, 0);
}
MODULE_ENTRY (void, init) (GTypeModule * module)
{
gtk_im_context_broadway_register_type (module);
}
MODULE_ENTRY (void, exit) (void)
{
}
MODULE_ENTRY (void, list) (const GtkIMContextInfo *** contexts, int *n_contexts)
{
*contexts = info_list;
*n_contexts = G_N_ELEMENTS (info_list);
}
MODULE_ENTRY (GtkIMContext *, create) (const gchar * context_id)
{
if (!strcmp (context_id, "broadway"))
return g_object_new (type_broadway, NULL);
else
return NULL;
}