ege-select-one-action.cpp revision 09e25b703eec45330206583138907e878579c1d2
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
*/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is EGE Select One Action.
*
* The Initial Developer of the Original Code is
* Jon A. Cruz.
* Portions created by the Initial Developer are Copyright (C) 2007
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* Note: this file should be kept compilable as both .cpp and .c */
#include <string.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtklabel.h>
#include <gtk/gtktoolitem.h>
#include <gtk/gtkcombobox.h>
#include <gtk/gtkcellrenderertext.h>
#include <gtk/gtkcelllayout.h>
#include <gtk/gtkradiomenuitem.h>
#include "ege-select-one-action.h"
enum {
CHANGED = 0,
LAST_SIGNAL};
static void ege_select_one_action_class_init( EgeSelectOneActionClass* klass );
static void ege_select_one_action_init( EgeSelectOneAction* action );
static void ege_select_one_action_get_property( GObject* obj, guint propId, GValue* value, GParamSpec * pspec );
static void ege_select_one_action_set_property( GObject* obj, guint propId, const GValue *value, GParamSpec* pspec );
static void resync_active( EgeSelectOneAction* act, gint active );
static void combo_changed_cb( GtkComboBox* widget, gpointer user_data );
static void menu_toggled_cb( GtkWidget* obj, gpointer data );
static GtkWidget* create_menu_item( GtkAction* action );
static GtkWidget* create_tool_item( GtkAction* action );
static void connect_proxy( GtkAction *action, GtkWidget *proxy );
static void disconnect_proxy( GtkAction *action, GtkWidget *proxy );
static GtkActionClass* gParentClass = 0;
static guint signals[LAST_SIGNAL] = {0};
static GQuark gDataName = 0;
struct _EgeSelectOneActionPrivate
{
GtkTreeModel* model;
gint active;
gint column;
};
#define EGE_SELECT_ONE_ACTION_GET_PRIVATE( o ) ( G_TYPE_INSTANCE_GET_PRIVATE( (o), EGE_SELECT_ONE_ACTION_TYPE, EgeSelectOneActionPrivate ) )
enum {
PROP_MODEL = 1,
PROP_ACTIVE,
PROP_COLUMN
};
GType ege_select_one_action_get_type( void )
{
static GType myType = 0;
if ( !myType ) {
static const GTypeInfo myInfo = {
sizeof( EgeSelectOneActionClass ),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc)ege_select_one_action_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof( EgeSelectOneAction ),
0, /* n_preallocs */
(GInstanceInitFunc)ege_select_one_action_init,
NULL
};
myType = g_type_register_static( GTK_TYPE_ACTION, "EgeSelectOneAction", &myInfo, (GTypeFlags)0 );
}
return myType;
}
void ege_select_one_action_class_init( EgeSelectOneActionClass* klass )
{
if ( klass ) {
gParentClass = GTK_ACTION_CLASS( g_type_class_peek_parent( klass ) );
GObjectClass* objClass = G_OBJECT_CLASS( klass );
gDataName = g_quark_from_string("ege-select1-action");
objClass->get_property = ege_select_one_action_get_property;
objClass->set_property = ege_select_one_action_set_property;
klass->parent_class.create_menu_item = create_menu_item;
klass->parent_class.create_tool_item = create_tool_item;
klass->parent_class.connect_proxy = connect_proxy;
klass->parent_class.disconnect_proxy = disconnect_proxy;
g_object_class_install_property( objClass,
PROP_MODEL,
g_param_spec_object( "model",
"Tree Model",
"Tree model of possible items",
GTK_TYPE_TREE_MODEL,
(GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT) ) );
g_object_class_install_property( objClass,
PROP_ACTIVE,
g_param_spec_int( "active",
"Active Selection",
"The index of the selected item",
0, 20, 0,
(GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT) ) );
g_object_class_install_property( objClass,
PROP_COLUMN,
g_param_spec_int( "column",
"Display Column",
"The column of the model that holds display strings",
0, 20, 0,
(GParamFlags)(G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT) ) );
signals[CHANGED] = g_signal_new( "changed",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET(EgeSelectOneActionClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_type_class_add_private( klass, sizeof(EgeSelectOneActionClass) );
}
}
void ege_select_one_action_init( EgeSelectOneAction* action )
{
action->private_data = EGE_SELECT_ONE_ACTION_GET_PRIVATE( action );
action->private_data->model = 0;
/* g_signal_connect( action, "notify", G_CALLBACK( fixup_labels ), NULL ); */
}
EgeSelectOneAction* ege_select_one_action_new( const gchar *name,
const gchar *label,
const gchar *tooltip,
const gchar *stock_id,
GtkTreeModel* model )
{
GObject* obj = (GObject*)g_object_new( EGE_SELECT_ONE_ACTION_TYPE,
"name", name,
"label", label,
"tooltip", tooltip,
"stock_id", stock_id,
"model", model,
"active", 0,
NULL );
EgeSelectOneAction* action = EGE_SELECT_ONE_ACTION( obj );
return action;
}
gint ege_select_one_action_get_active( EgeSelectOneAction* action )
{
g_return_val_if_fail( IS_EGE_SELECT_ONE_ACTION(action), 0 );
return action->private_data->active;
}
void ege_select_one_action_set_active( EgeSelectOneAction* action, gint val )
{
g_object_set( G_OBJECT(action), "active", val, NULL );
}
gint ege_select_one_action_get_label_column( EgeSelectOneAction* action )
{
g_return_val_if_fail( IS_EGE_SELECT_ONE_ACTION(action), 0 );
return action->private_data->column;
}
void ege_select_one_action_set_label_column( EgeSelectOneAction* action, gint col )
{
g_object_set( G_OBJECT(action), "column", col, NULL );
}
void ege_select_one_action_get_property( GObject* obj, guint propId, GValue* value, GParamSpec * pspec )
{
EgeSelectOneAction* action = EGE_SELECT_ONE_ACTION( obj );
switch ( propId ) {
case PROP_MODEL:
g_value_set_object( value, action->private_data->model );
break;
case PROP_ACTIVE:
g_value_set_int( value, action->private_data->active );
break;
case PROP_COLUMN:
g_value_set_int( value, action->private_data->column );
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID( obj, propId, pspec );
}
}
void ege_select_one_action_set_property( GObject* obj, guint propId, const GValue *value, GParamSpec* pspec )
{
EgeSelectOneAction* action = EGE_SELECT_ONE_ACTION( obj );
switch ( propId ) {
case PROP_MODEL:
{
action->private_data->model = GTK_TREE_MODEL( g_value_get_object( value ) );
}
break;
case PROP_ACTIVE:
{
resync_active( action, g_value_get_int( value ) );
}
break;
case PROP_COLUMN:
{
action->private_data->column = g_value_get_int( value );
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID( obj, propId, pspec );
}
}
GtkWidget* create_menu_item( GtkAction* action )
{
GtkWidget* item = 0;
if ( IS_EGE_SELECT_ONE_ACTION(action) ) {
EgeSelectOneAction* act = EGE_SELECT_ONE_ACTION( action );
gchar* sss = 0;
gboolean valid = FALSE;
gint index = 0;
GtkTreeIter iter;
GSList* group = 0;
GtkWidget* subby = gtk_menu_new();
g_object_get( G_OBJECT(action), "label", &sss, NULL );
item = gtk_menu_item_new_with_label( sss );
valid = gtk_tree_model_get_iter_first( act->private_data->model, &iter );
while ( valid ) {
gchar* str = 0;
gtk_tree_model_get( act->private_data->model, &iter,
act->private_data->column, &str,
-1 );
GtkWidget *item = gtk_radio_menu_item_new_with_label( group, str );
group = gtk_radio_menu_item_get_group( GTK_RADIO_MENU_ITEM(item) );
gtk_menu_shell_append( GTK_MENU_SHELL(subby), item );
g_object_set_qdata( G_OBJECT(item), gDataName, act );
gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM(item), index == act->private_data->active );
g_free(str);
g_signal_connect( G_OBJECT(item), "toggled", G_CALLBACK(menu_toggled_cb), GINT_TO_POINTER(index) );
index++;
valid = gtk_tree_model_iter_next( act->private_data->model, &iter );
}
gtk_menu_item_set_submenu( GTK_MENU_ITEM(item), subby );
gtk_widget_show_all( subby );
g_free(sss);
} else {
item = gParentClass->create_menu_item( action );
}
return item;
}
GtkWidget* create_tool_item( GtkAction* action )
{
GtkWidget* item = 0;
if ( IS_EGE_SELECT_ONE_ACTION(action) && EGE_SELECT_ONE_ACTION(action)->private_data->model )
{
EgeSelectOneAction* act = EGE_SELECT_ONE_ACTION(action);
item = GTK_WIDGET( gtk_tool_item_new() );
GtkWidget* normal = gtk_combo_box_new_with_model( act->private_data->model );
GtkCellRenderer * renderer = gtk_cell_renderer_text_new();
gtk_cell_layout_pack_start( GTK_CELL_LAYOUT(normal), renderer, TRUE );
gtk_cell_layout_set_attributes( GTK_CELL_LAYOUT(normal), renderer, "text", act->private_data->column, (gchar*)0);
gtk_combo_box_set_active( GTK_COMBO_BOX(normal), act->private_data->active );
g_signal_connect( G_OBJECT(normal), "changed", G_CALLBACK(combo_changed_cb), action );
gtk_container_add( GTK_CONTAINER(item), normal );
gtk_widget_show_all( item );
} else {
item = gParentClass->create_tool_item( action );
}
return item;
}
void connect_proxy( GtkAction *action, GtkWidget *proxy )
{
gParentClass->connect_proxy( action, proxy );
}
void disconnect_proxy( GtkAction *action, GtkWidget *proxy )
{
gParentClass->disconnect_proxy( action, proxy );
}
void resync_active( EgeSelectOneAction* act, gint active )
{
if ( act->private_data->active != active ) {
act->private_data->active = active;
GSList* proxies = gtk_action_get_proxies( GTK_ACTION(act) );
while ( proxies ) {
if ( GTK_IS_TOOL_ITEM(proxies->data) ) {
/* Search for the things we built up in create_tool_item() */
GList* children = gtk_container_get_children( GTK_CONTAINER(proxies->data) );
if ( children && children->data ) {
GtkComboBox* combo = GTK_COMBO_BOX(children->data);
if ( gtk_combo_box_get_active(combo) != active ) {
gtk_combo_box_set_active( combo, active );
}
}
} else if ( GTK_IS_MENU_ITEM(proxies->data) ) {
GtkWidget* subMenu = gtk_menu_item_get_submenu( GTK_MENU_ITEM(proxies->data) );
GList* children = gtk_container_get_children( GTK_CONTAINER(subMenu) );
if ( children && (g_list_length(children) > (guint)active) ) {
gpointer data = g_list_nth_data( children, active );
gtk_check_menu_item_set_active( GTK_CHECK_MENU_ITEM(data), TRUE );
}
}
proxies = g_slist_next( proxies );
}
g_signal_emit( G_OBJECT(act), signals[CHANGED], 0);
}
}
void combo_changed_cb( GtkComboBox* widget, gpointer user_data )
{
EgeSelectOneAction* act = EGE_SELECT_ONE_ACTION(user_data);
gint newActive = gtk_combo_box_get_active(widget);
if (newActive != act->private_data->active) {
g_object_set( G_OBJECT(act), "active", newActive, NULL );
}
}
void menu_toggled_cb( GtkWidget* obj, gpointer data )
{
GtkCheckMenuItem* item = GTK_CHECK_MENU_ITEM(obj);
EgeSelectOneAction* act = (EgeSelectOneAction*)g_object_get_qdata( G_OBJECT(obj), gDataName );
gint newActive = GPOINTER_TO_INT(data);
if ( gtk_check_menu_item_get_active(item) && (newActive != act->private_data->active) ) {
g_object_set( G_OBJECT(act), "active", newActive, NULL );
}
}