diff options
Diffstat (limited to 'gtk/gtkimmulticontext.c')
| -rw-r--r-- | gtk/gtkimmulticontext.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/gtk/gtkimmulticontext.c b/gtk/gtkimmulticontext.c new file mode 100644 index 0000000000..ddfd18e672 --- /dev/null +++ b/gtk/gtkimmulticontext.c @@ -0,0 +1,247 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 2000 Red Hat, Inc. + * + * 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 this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include "gtksignal.h" +#include "gtkimmulticontext.h" +#include "gtkimcontextsimple.h" + +static void gtk_im_multicontext_class_init (GtkIMMulticontextClass *class); +static void gtk_im_multicontext_init (GtkIMMulticontext *im_multicontext); +static void gtk_im_multicontext_finalize (GObject *object); + +static void gtk_im_multicontext_set_slave (GtkIMMulticontext *multicontext, + GtkIMContext *slave); + +static void gtk_im_multicontext_set_client_window (GtkIMContext *context, + GdkWindow *window); +static void gtk_im_multicontext_get_preedit_string (GtkIMContext *context, + gchar **str, + PangoAttrList **attrs); +static gboolean gtk_im_multicontext_filter_keypress (GtkIMContext *context, + GdkEventKey *event); +static void gtk_im_multicontext_focus_in (GtkIMContext *context); +static void gtk_im_multicontext_focus_out (GtkIMContext *context); + +void gtk_im_multicontext_preedit_start_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext); +void gtk_im_multicontext_preedit_end_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext); +void gtk_im_multicontext_preedit_changed_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext); +void gtk_im_multicontext_commit_cb (GtkIMContext *slave, + const gchar *str, + GtkIMMulticontext *multicontext); + +static GtkIMContextClass *parent_class; + +GtkType +gtk_im_multicontext_get_type (void) +{ + static GtkType im_multicontext_type = 0; + + if (!im_multicontext_type) + { + static const GtkTypeInfo im_multicontext_info = + { + "GtkIMMulticontext", + sizeof (GtkIMMulticontext), + sizeof (GtkIMMulticontextClass), + (GtkClassInitFunc) gtk_im_multicontext_class_init, + (GtkObjectInitFunc) gtk_im_multicontext_init, + /* reserved_1 */ NULL, + /* reserved_2 */ NULL, + (GtkClassInitFunc) NULL, + }; + + im_multicontext_type = gtk_type_unique (GTK_TYPE_IM_CONTEXT, &im_multicontext_info); + } + + return im_multicontext_type; +} + +static void +gtk_im_multicontext_class_init (GtkIMMulticontextClass *class) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (class); + GtkIMContextClass *im_context_class = GTK_IM_CONTEXT_CLASS (class); + + parent_class = g_type_class_peek_parent (class); + + im_context_class->set_client_window = gtk_im_multicontext_set_client_window; + im_context_class->get_preedit_string = gtk_im_multicontext_get_preedit_string; + im_context_class->filter_keypress = gtk_im_multicontext_filter_keypress; + im_context_class->focus_in = gtk_im_multicontext_focus_in; + im_context_class->focus_out = gtk_im_multicontext_focus_out; + + gobject_class->finalize = gtk_im_multicontext_finalize; +} + +static void +gtk_im_multicontext_init (GtkIMMulticontext *multicontext) +{ + multicontext->slave = NULL; +} + +GtkIMContext * +gtk_im_multicontext_new (void) +{ + return GTK_IM_CONTEXT (gtk_type_new (GTK_TYPE_IM_MULTICONTEXT)); +} + +static void +gtk_im_multicontext_finalize (GObject *object) +{ + gtk_im_multicontext_set_slave (GTK_IM_MULTICONTEXT (object), NULL); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gtk_im_multicontext_set_slave (GtkIMMulticontext *multicontext, + GtkIMContext *slave) +{ + if (multicontext->slave) + { + gtk_signal_disconnect_by_data (GTK_OBJECT (multicontext->slave), multicontext); + gtk_object_unref (GTK_OBJECT (multicontext->slave)); + } + + multicontext->slave = slave; + + if (multicontext->slave) + { + gtk_object_ref (GTK_OBJECT (multicontext->slave)); + gtk_object_sink (GTK_OBJECT (multicontext->slave)); + + gtk_signal_connect (GTK_OBJECT (multicontext->slave), "preedit_start", + GTK_SIGNAL_FUNC (gtk_im_multicontext_preedit_start_cb), + multicontext); + gtk_signal_connect (GTK_OBJECT (multicontext->slave), "preedit_end", + GTK_SIGNAL_FUNC (gtk_im_multicontext_preedit_end_cb), + multicontext); + gtk_signal_connect (GTK_OBJECT (multicontext->slave), "preedit_changed", + GTK_SIGNAL_FUNC (gtk_im_multicontext_preedit_changed_cb), + multicontext); + gtk_signal_connect (GTK_OBJECT (multicontext->slave), "commit", + GTK_SIGNAL_FUNC (gtk_im_multicontext_commit_cb), + multicontext); + } +} + +static GtkIMContext * +gtk_im_multicontext_get_slave (GtkIMMulticontext *multicontext) +{ + if (!multicontext->slave) + gtk_im_multicontext_set_slave (multicontext, gtk_im_context_simple_new ()); + + return multicontext->slave; +} + +static void +gtk_im_multicontext_set_client_window (GtkIMContext *context, + GdkWindow *window) +{ + GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context); + GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext); + + if (slave) + gtk_im_context_set_client_window (slave, window); +} + +static void +gtk_im_multicontext_get_preedit_string (GtkIMContext *context, + gchar **str, + PangoAttrList **attrs) +{ + GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context); + GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext); + + if (slave) + gtk_im_context_get_preedit_string (slave, str, attrs); + else + { + if (str) + *str = g_strdup (""); + if (attrs) + *attrs = pango_attr_list_new (); + } +} + +static gboolean +gtk_im_multicontext_filter_keypress (GtkIMContext *context, + GdkEventKey *event) +{ + GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context); + GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext); + + if (slave) + return gtk_im_context_filter_keypress (slave, event); + else + return FALSE; +} + +static void +gtk_im_multicontext_focus_in (GtkIMContext *context) +{ + GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context); + GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext); + + if (slave) + return gtk_im_context_focus_in (slave); +} + +static void +gtk_im_multicontext_focus_out (GtkIMContext *context) +{ + GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context); + GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext); + + if (slave) + return gtk_im_context_focus_out (slave); +} + +void +gtk_im_multicontext_preedit_start_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext) +{ + gtk_signal_emit_by_name (GTK_OBJECT (multicontext), "preedit_start"); +} + +void +gtk_im_multicontext_preedit_end_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext) +{ + gtk_signal_emit_by_name (GTK_OBJECT (multicontext), "preedit_end"); +} + +void +gtk_im_multicontext_preedit_changed_cb (GtkIMContext *slave, + GtkIMMulticontext *multicontext) +{ + gtk_signal_emit_by_name (GTK_OBJECT (multicontext), "preedit_changed"); +} + +void +gtk_im_multicontext_commit_cb (GtkIMContext *slave, + const gchar *str, + GtkIMMulticontext *multicontext) +{ + gtk_signal_emit_by_name (GTK_OBJECT (multicontext), "commit", str);; +} + |