/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Michael Zucchi <notzed@ximian.com>
*
* Copyright 2004 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkhbox.h>
#include <gtk/gtktable.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkframe.h>
#include <gtk/gtkalignment.h>
#include <libgnomeui/gnome-druid.h>
#include <libgnomeui/gnome-druid-page-standard.h>
#include <libgnomeui/gnome-druid-page-edge.h>
#include "e-config.h"
#include <e-util/e-icon-factory.h>
#include <libgnome/gnome-i18n.h>
#define d(x)
struct _EConfigFactory {
struct _EConfigFactory *next, *prev;
char *id;
EConfigFactoryFunc factory;
void *factory_data;
};
struct _menu_node {
struct _menu_node *next, *prev;
GSList *menu;
EConfigItemsFunc free;
EConfigItemsFunc abort;
EConfigItemsFunc commit;
void *data;
};
struct _widget_node {
struct _widget_node *next, *prev;
EConfig *config;
struct _menu_node *context;
EConfigItem *item;
struct _GtkWidget *widget; /* widget created by the factory, if any */
struct _GtkWidget *frame; /* if created by us */
int empty:1; /* set if empty (i.e. hidden) */
};
struct _check_node {
struct _check_node *next, *prev;
char *pageid;
EConfigCheckFunc check;
void *data;
};
struct _EConfigPrivate {
EDList menus;
EDList widgets;
EDList checks;
struct _widget_node *druid_page; /* current druid page if using the druid */
};
static GObjectClass *ep_parent;
static void
ep_init(GObject *o)
{
EConfig *emp = (EConfig *)o;
struct _EConfigPrivate *p;
p = emp->priv = g_malloc0(sizeof(struct _EConfigPrivate));
e_dlist_init(&p->menus);
e_dlist_init(&p->widgets);
e_dlist_init(&p->checks);
}
static void
ep_finalise(GObject *o)
{
EConfig *emp = (EConfig *)o;
struct _EConfigPrivate *p = emp->priv;
struct _menu_node *mnode;
struct _widget_node *wn;
struct _check_node *cn;
d(printf("finalising EConfig %p\n", o));
g_free(emp->id);
while ((mnode = (struct _menu_node *)e_dlist_remhead(&p->menus))) {
if (mnode->free)
mnode->free(emp, mnode->menu, mnode->data);
g_free(mnode);
}
while ( (wn = (struct _widget_node *)e_dlist_remhead(&p->widgets)) ) {
g_free(wn);
}
while ( (cn = (struct _check_node *)e_dlist_remhead(&p->widgets)) ) {
g_free(cn->pageid);
g_free(cn);
}
g_free(p);
((GObjectClass *)ep_parent)->finalize(o);
}
static void
ec_target_free(EConfig *ep, EConfigTarget *t)
{
g_free(t);
g_object_unref(ep);
}
static void
ec_set_target(EConfig *emp, EConfigTarget *target)
{
if (emp->target)
e_config_target_free(emp, target);
emp->target = target;
}
static void
ep_class_init(GObjectClass *klass)
{
d(printf("EConfig class init %p '%s'\n", klass, g_type_name(((GObjectClass *)klass)->g_type_class.g_type)));
klass->finalize = ep_finalise;
((EConfigClass *)klass)->set_target = ec_set_target;
((EConfigClass *)klass)->target_free = ec_target_free;
}
static void
ep_base_init(GObjectClass *klass)
{
e_dlist_init(&((EConfigClass *)klass)->factories);
}
/**
* e_config_get_type:
*
* Standard GObject method. Used to subclass for the concrete
* implementations.
*
* Return value: EConfig type.
**/
GType
e_config_get_type(void)
{
static GType type = 0;
if (type == 0) {
static const GTypeInfo info = {
sizeof(EConfigClass),
(GBaseInitFunc)ep_base_init, NULL,
(GClassInitFunc)ep_class_init, NULL, NULL,
sizeof(EConfig), 0,
(GInstanceInitFunc)ep_init
};
ep_parent = g_type_class_ref(G_TYPE_OBJECT);
type = g_type_register_static(G_TYPE_OBJECT, "EConfig", &info, 0);
}
return type;
}
/**
* e_config_construct:
* @ep: The instance to initialise.
* @type: The type of configuration manager, @E_CONFIG_BOOK or
* @E_CONFIG_DRUID.
* @id: The name of the configuration window this manager drives.
*
* Used by implementing classes to initialise base parameters.
*
* Return value: @ep is returned.
**/
EConfig *e_config_construct(EConfig *ep, int type, const char *id)
{
g_assert(type == E_CONFIG_BOOK || type == E_CONFIG_DRUID);
ep->type = type;
ep->id = g_strdup(id);
return ep;
}
/**
* e_config_add_items:
* @ec: An initialised implementing instance of EConfig.
* @items: A list of EConfigItem's to add to the configuration manager
* @ec.
* @commitfunc: If supplied, called to commit the configuration items
* to persistent storage.
* @abortfunc: If supplied, called to abort/undo the storage of these
* items permanently.
* @freefunc: If supplied, called to free the item list (and/or items)
* once they are no longer needed.
* @data: Data for the callback methods.
*
* Add new EConfigItems to the configuration window. Nothing will be
* done with them until the widget is built.
*
* TODO: perhaps commit and abort should just be signals.
**/
void
e_config_add_items(EConfig *ec, GSList *items, EConfigItemsFunc commitfunc, EConfigItemsFunc abortfunc, EConfigItemsFunc freefunc, void *data)
{
struct _menu_node *node;
node = g_malloc(sizeof(*node));
node->menu = items;
node->commit = commitfunc;
node->abort = abortfunc;
node->free = freefunc;
node->data = data;
e_dlist_addtail(&ec->priv->menus, (EDListNode *)node);
}
/**
* e_config_add_page_check:
* @ec: Initialised implemeting instance of EConfig.
* @pageid: pageid to check.
* @check: checking callback.
* @data: user-data for the callback.
*
* Add a page-checking function callback. It will be called to validate the
* data in the given page or pages. If @pageid is NULL then it will be called
* to validate every page, or the whole configuration window.
*
* In the latter case, the pageid in the callback will be either the
* specific page being checked, or NULL when the whole config window
* is being checked.
*
* The page check function is used to validate input before allowing
* the druid to continue or the notebook to close.
**/
void
e_config_add_page_check(EConfig *ec, const char *pageid, EConfigCheckFunc check, void *data)
{
struct _check_node *cn;
cn = g_malloc0(sizeof(*cn));
cn->pageid = g_strdup(pageid);
cn->check = check;
cn->data = data;
e_dlist_addtail(&ec->priv->checks, (EDListNode *)cn);
}
static void
ec_add_static_items(EConfig *ec)
{
struct _EConfigFactory *f;
EConfigClass *klass = (EConfigClass *)G_OBJECT_GET_CLASS(ec);
f = (struct _EConfigFactory *)klass->factories.head;
while (f->next) {
if (f->id == NULL
|| !strcmp(f->id, ec->id)) {
f->factory(ec, f->factory_data);
}
f = f->next;
}
}
static int
ep_cmp(const void *ap, const void *bp)
{
struct _widget_node *a = *((void **)ap);
struct _widget_node *b = *((void **)bp);
return strcmp(a->item->path, b->item->path);
}
static void
ec_druid_check_current(EConfig *ec)
{
g_return_if_fail(ec->priv->druid_page != NULL);
if (e_config_page_check(ec, ec->priv->druid_page->item->path)) {
gtk_widget_set_sensitive(((GnomeDruid *)ec->widget)->next, TRUE);
} else {
gtk_widget_set_sensitive(((GnomeDruid *)ec->widget)->next, FALSE);
}
}
static void
ec_druid_cancel(GnomeDruid *druid, struct _widget_node *wn)
{
d(printf("finishing druid, calling abort\n"));
e_config_abort(wn->config);
if (wn->config->window)
gtk_widget_destroy(wn->config->window);
}
static void
ec_druid_finish(GnomeDruidPage *page, GnomeDruid *druid, struct _widget_node *wn)
{
d(printf("finishing druid, calling commit\n"));
e_config_commit(wn->config);
/* TODO: allow the commit to fail? Do we care? */
if (wn->config->window)
gtk_widget_destroy(wn->config->window);
}
static void
ec_druid_prepare(GnomeDruidPage *page, GnomeDruid *druid, struct _widget_node *wn)
{
d(printf("prepare page '%s'\n", wn->item->path));
wn->config->priv->druid_page = wn;
ec_druid_check_current(wn->config);
}
static gboolean
ec_druid_prev(GnomeDruidPage *page, GnomeDruid *druid, struct _widget_node *wn)
{
EConfig *ec = wn->config;
d(printf("prev page from '%s'\n", wn->item->path));
if (wn->prev) {
for (wn = wn->prev;wn->prev;wn=wn->prev) {
if (!wn->empty
&& (wn->item->type == E_CONFIG_PAGE
|| wn->item->type == E_CONFIG_PAGE_START
|| wn->item->type == E_CONFIG_PAGE_FINISH))
break;
}
}
if (wn->prev) {
d(printf(" is %s\n",wn->item->path));
gnome_druid_set_page((GnomeDruid *)ec->widget, (GnomeDruidPage *)wn->frame);
ec->priv->druid_page = wn;
} else {
/* do we need to indicate first? */
ec->priv->druid_page = NULL;
}
return wn->prev != NULL;
}
static gboolean
ec_druid_next(GnomeDruidPage *page, GnomeDruid *druid, struct _widget_node *wn)
{
EConfig *ec = wn->config;
d(printf("next page from '%s'\n", wn->item->path));
if (wn->next) {
for (wn = wn->next;wn->next;wn=wn->next) {
if (!wn->empty
&& (wn->item->type == E_CONFIG_PAGE
|| wn->item->type == E_CONFIG_PAGE_START
|| wn->item->type == E_CONFIG_PAGE_FINISH))
break;
}
}
if (wn->next) {
d(printf(" is %s\n",wn->item->path));
gnome_druid_set_page((GnomeDruid *)ec->widget, (GnomeDruidPage *)wn->frame);
ec->priv->druid_page = wn;
} else {
/* do we need to indicate last? */
ec->priv->druid_page = NULL;
}
return wn->next != NULL;
}
static void
ec_rebuild(EConfig *emp)
{
struct _EConfigPrivate *p = emp->priv;
struct _widget_node *wn, *sectionnode = NULL, *pagenode = NULL;
GtkWidget *book = NULL, *page = NULL, *section = NULL, *root = NULL, *druid = NULL;
int pageno = 0, sectionno = 0, itemno = 0;
d(printf("target changed, rebuilding:\n"));
/* TODO: This code is pretty complex, and will probably just
* become more complex with time. It could possibly be split
* into the two base types, but there would be a lot of code
* duplication */
for (wn = (struct _widget_node *)p->widgets.head;wn->next;wn=wn->next) {
struct _EConfigItem *item = wn->item;
GtkWidget *w;
d(printf(" '%s'\n", item->path));
/* If the last section doesn't contain anything, hide it */
if (sectionnode != NULL
&& (item->type == E_CONFIG_PAGE_START
|| item->type == E_CONFIG_PAGE_FINISH
|| item->type == E_CONFIG_PAGE
|| item->type == E_CONFIG_SECTION
|| item->type == E_CONFIG_SECTION_TABLE)) {
if ( (sectionnode->empty = itemno == 0) ) {
gtk_widget_hide(sectionnode->frame);
sectionno--;
} else
gtk_widget_show(sectionnode->frame);
d(printf("%s section '%s' [sections=%d]\n", sectionnode->empty?"hiding":"showing", sectionnode->item->path, sectionno));
}
/* If the last page doesn't contain anything, hide it */
if (pagenode != NULL
&& (item->type == E_CONFIG_PAGE_START
|| item->type == E_CONFIG_PAGE_FINISH
|| item->type == E_CONFIG_PAGE)) {
if ( (pagenode->empty = sectionno == 0) ) {
gtk_widget_hide(pagenode->frame);
pageno--;
} else
gtk_widget_show(pagenode->frame);
d(printf("%s page '%s' [section=%d]\n", pagenode->empty?"hiding":"showing", pagenode->item->path, pageno));
}
/* Now process the item */
switch (item->type) {
case E_CONFIG_BOOK:
case E_CONFIG_DRUID:
/* Only one of BOOK or DRUID may be define, it
is used by the defining code to mark the
type of the config window. It is
cross-checked with the code's defined
type. */
if (root != NULL) {
g_warning("EConfig book/druid redefined at: %s", item->path);
break;
}
if (wn->widget == NULL) {
if (item->type != emp->type) {
g_warning("EConfig book/druid type mismatch");
break;
}
if (item->factory) {
root = item->factory(emp, item, NULL, wn->widget, wn->context->data);
} else if (item->type == E_CONFIG_BOOK) {
root = book = gtk_notebook_new();
gtk_widget_show(book);
} else if (item->type == E_CONFIG_DRUID) {
root = druid = gnome_druid_new();
} else
abort();
if (item->type == E_CONFIG_DRUID)
g_signal_connect(root, "cancel", G_CALLBACK(ec_druid_cancel), wn);
emp->widget = root;
wn->widget = root;
} else {
root = wn->widget;
}
if (item->type == E_CONFIG_BOOK)
book = root;
else
druid = root;
page = NULL;
pagenode = NULL;
section = NULL;
sectionnode = NULL;
pageno = 0;
sectionno = 0;
break;
case E_CONFIG_PAGE_START:
case E_CONFIG_PAGE_FINISH:
if (root == NULL) {
g_warning("EConfig page defined before container widget: %s", item->path);
break;
}
if (emp->type != E_CONFIG_DRUID) {
g_warning("EConfig druid start/finish pages can't be used on E_CONFIG_BOOKs");
break;
}
if (wn->widget == NULL) {
if (item->factory) {
page = item->factory(emp, item, root, wn->frame, wn->context->data);
} else {
page = gnome_druid_page_edge_new(item->type == E_CONFIG_PAGE_START?GNOME_EDGE_START:GNOME_EDGE_FINISH);
gtk_widget_show(page);
gnome_druid_page_edge_set_title((GnomeDruidPageEdge *)page, item->label);
gnome_druid_insert_page((GnomeDruid *)druid, pagenode?(GnomeDruidPage *)pagenode->frame:NULL, (GnomeDruidPage *)page);
}
if (item->type == E_CONFIG_PAGE_FINISH) {
g_signal_connect(page, "back", G_CALLBACK(ec_druid_prev), wn);
g_signal_connect(page, "finish", G_CALLBACK(ec_druid_finish), wn);
} else
g_signal_connect(page, "next", G_CALLBACK(ec_druid_next), wn);
wn->frame = page;
wn->widget = page;
}
pageno++;
page = NULL;
pagenode = wn; /* need this for previous page linking */
section = NULL;
sectionnode = NULL;
sectionno = 1; /* never want to hide these */
break;
case E_CONFIG_PAGE: {
int connect = 0; /* connect druid signals */
/* CONFIG_PAGEs depend on the config type.
E_CONFIG_BOOK:
The page is a VBox, stored in the notebook.
E_CONFIG_DRUID
The page is a GnomeDruidPageStandard,
any sections automatically added are added to
the vbox inside it. */
sectionno = 0;
if (root == NULL) {
g_warning("EConfig page defined before container widget: %s", item->path);
break;
}
if (item->factory) {
page = item->factory(emp, item, root, wn->frame, wn->context->data);
if (emp->type == E_CONFIG_DRUID) {
if (page) {
g_assert(GNOME_IS_DRUID_PAGE_STANDARD(page));
connect = wn->frame != page;
wn->frame = page;
page = ((GnomeDruidPageStandard *)page)->vbox;
} else
wn->frame = page;
} else {
wn->frame = page;
}
if (page)
sectionno = 1;
} else if (wn->widget == NULL) {
if (emp->type == E_CONFIG_DRUID) {
w = gnome_druid_page_standard_new();
gtk_widget_show(w);
gnome_druid_page_standard_set_title((GnomeDruidPageStandard *)w, item->label);
gnome_druid_insert_page((GnomeDruid *)druid, pagenode?(GnomeDruidPage *)pagenode->frame:NULL, (GnomeDruidPage *)w);
wn->frame = w;
page = ((GnomeDruidPageStandard *)w)->vbox;
connect = TRUE;
} else {
w = gtk_label_new_with_mnemonic (item->label);
gtk_widget_show(w);
page = gtk_vbox_new(FALSE, 12);
gtk_container_set_border_width((GtkContainer *)page, 12);
gtk_widget_show(page);
gtk_notebook_insert_page((GtkNotebook *)book, page, w, pageno);
wn->frame = page;
}
} else
page = wn->widget;
d(printf("page %d:%s widget %p\n", pageno, item->path, page));
if (wn->widget && wn->widget != page) {
d(printf("destroy old widget for page '%s'\n", item->path));
gtk_widget_destroy(wn->widget);
}
if (connect) {
g_signal_connect(wn->frame, "next", G_CALLBACK(ec_druid_next), wn);
g_signal_connect(wn->frame, "back", G_CALLBACK(ec_druid_prev), wn);
/* GnomeDruid bug, need to connect_after */
g_signal_connect_after(wn->frame, "prepare", G_CALLBACK(ec_druid_prepare), wn);
}
pageno++;
pagenode = wn;
section = NULL;
sectionnode = NULL;
wn->widget = page;
break; }
case E_CONFIG_SECTION:
case E_CONFIG_SECTION_TABLE:
/* The section factory is always called with
the parent vbox object. Even for druid
pages. */
if (page == NULL) {
g_warning("EConfig section '%s' has no parent page", item->path);
section = NULL;
goto nopage;
}
itemno = 0;
if (item->factory) {
section = item->factory(emp, item, page, wn->widget, wn->context->data);
wn->frame = section;
if (section)
itemno = 1;
if (section
&& ((item->type == E_CONFIG_SECTION && !GTK_IS_BOX(section))
|| (item->type == E_CONFIG_SECTION_TABLE && !GTK_IS_TABLE(section))))
g_warning("EConfig section type is wrong");
} else {
GtkWidget *frame;
GtkWidget *label = NULL;
if (wn->frame) {
d(printf("Item %s, clearing generated section widget\n", wn->item->path));
gtk_widget_destroy(wn->frame);
wn->widget = NULL;
wn->frame = NULL;
}
if (item->label) {
char *txt = g_strdup_printf("<span weight=\"bold\">%s</span>", item->label);
label = g_object_new(gtk_label_get_type(),
"label", txt,
"use_markup", TRUE,
"xalign", 0.0, NULL);
g_free(txt);
}
if (item->type == E_CONFIG_SECTION)
section = gtk_vbox_new(FALSE, 6);
else {
section = gtk_table_new(1, 1, FALSE);
gtk_table_set_col_spacings((GtkTable *)section, 6);
gtk_table_set_row_spacings((GtkTable *)section, 6);
}
frame = g_object_new(gtk_frame_get_type(),
"shadow_type", GTK_SHADOW_NONE,
"label_widget", label,
"child", g_object_new(gtk_alignment_get_type(),
"left_padding", 12,
"top_padding", 6,
"child", section, NULL),
NULL);
gtk_widget_show_all(frame);
gtk_box_pack_start((GtkBox *)page, frame, FALSE, FALSE, 0);
wn->frame = frame;
}
nopage:
if (wn->widget && wn->widget != section) {
d(printf("destroy old widget for section '%s'\n", item->path));
gtk_widget_destroy(wn->widget);
}
d(printf("Item %s, setting section widget\n", wn->item->path));
sectionno++;
wn->widget = section;
sectionnode = wn;
break;
case E_CONFIG_ITEM:
case E_CONFIG_ITEM_TABLE:
/* generated sections never retain their widgets on a rebuild */
if (sectionnode->item->factory == NULL)
wn->widget = NULL;
/* ITEMs are called with the section parent.
The type depends on the section type,
either a GtkTable, or a GtkVBox */
w = NULL;
if (section == NULL)
g_warning("EConfig item has no parent section: %s", item->path);
else if ((item->type == E_CONFIG_ITEM && !GTK_IS_BOX(section))
|| (item->type == E_CONFIG_ITEM_TABLE && !GTK_IS_TABLE(section)))
g_warning("EConfig item parent type is incorrect: %s", item->path);
else if (item->factory)
w = item->factory(emp, item, section, wn->widget, wn->context->data);
d(printf("item %d:%s widget %p\n", itemno, item->path, w));
if (wn->widget && wn->widget != w) {
d(printf("destroy old widget for item '%s'\n", item->path));
gtk_widget_destroy(wn->widget);
}
wn->widget = w;
if (w)
itemno++;
break;
}
}
/* If the last section doesn't contain anything, hide it */
if (sectionnode != NULL) {
if ( (sectionnode->empty = itemno == 0) ) {
gtk_widget_hide(sectionnode->frame);
sectionno--;
} else
gtk_widget_show(sectionnode->frame);
d(printf("%s section '%s' [sections=%d]\n", sectionnode->empty?"hiding":"showing", sectionnode->item->path, sectionno));
}
/* If the last page doesn't contain anything, hide it */
if (pagenode != NULL) {
if ( (pagenode->empty = sectionno == 0) ) {
gtk_widget_hide(pagenode->frame);
pageno--;
} else
gtk_widget_show(pagenode->frame);
d(printf("%s page '%s' [section=%d]\n", pagenode->empty?"hiding":"showing", pagenode->item->path, pageno));
}
if (book) {
/* make this depend on flags?? */
if (gtk_notebook_get_n_pages((GtkNotebook *)book) == 1) {
gtk_notebook_set_show_tabs((GtkNotebook *)book, FALSE);
gtk_notebook_set_show_border((GtkNotebook *)book, FALSE);
}
}
}
/**
* e_config_set_target:
* @emp: An initialised EConfig.
* @target: A target allocated from @emp.
*
* Sets the target object for the config window. Generally the target
* is set only once, and will supply its own "changed" signal which
* can be used to drive the modal. This is a virtual method so that
* the implementing class can connect to the changed signal and
* initiate a e_config_target_changed() call where appropriate.
**/
void
e_config_set_target(EConfig *emp, EConfigTarget *target)
{
if (emp->target != target)
((EConfigClass *)G_OBJECT_GET_CLASS(emp))->set_target(emp, target);
}
static void
ec_widget_destroy(GtkWidget *w, EConfig *ec)
{
if (ec->target) {
e_config_target_free(ec, ec->target);
ec->target = NULL;
}
g_object_unref(ec);
}
/**
* e_config_create_widget:
* @emp: An initialised EConfig object.
*
* Create the widget described by @emp. Only the core widget
* appropriate for the given type is created, i.e. a GtkNotebook for
* the E_CONFIG_BOOK type and a GnomeDruid for the E_CONFIG_DRUID
* type.
*
* This object will be self-driving, but will not close itself once
* complete.
*
* Unless reffed otherwise, the management object @emp will be
* finalised when the widget is.
*
* Return value: The widget, also available in @emp.widget
**/
GtkWidget *
e_config_create_widget(EConfig *emp)
{
struct _EConfigPrivate *p = emp->priv;
struct _menu_node *mnode;
GPtrArray *items = g_ptr_array_new();
GSList *l;
/*char *domain = NULL;*/
int i;
g_assert(emp->target != NULL);
ec_add_static_items(emp);
/* FIXME: need to override old ones with new names */
for (mnode = (struct _menu_node *)p->menus.head;mnode->next;mnode=mnode->next)
for (l=mnode->menu; l; l = l->next) {
struct _EConfigItem *item = l->data;
struct _widget_node *wn = g_malloc0(sizeof(*wn));
wn->item = item;
wn->context = mnode;
wn->config = emp;
g_ptr_array_add(items, wn);
}
qsort(items->pdata, items->len, sizeof(items->pdata[0]), ep_cmp);
for (i=0;i<items->len;i++) {
struct _widget_node *wn = items->pdata[i];
e_dlist_addtail(&p->widgets, (EDListNode *)wn);
}
g_ptr_array_free(items, TRUE);
ec_rebuild(emp);
/* auto-unref it */
g_signal_connect(emp->widget, "destroy", G_CALLBACK(ec_widget_destroy), emp);
/* FIXME: for some reason ec_rebuild puts the widget on page 1, this is just to override that */
if (emp->type == E_CONFIG_BOOK)
gtk_notebook_set_current_page((GtkNotebook *)emp->widget, 0);
return emp->widget;
}
static void
ec_dialog_response(GtkWidget *d, int id, EConfig *ec)
{
if (id == GTK_RESPONSE_OK)
e_config_commit(ec);
else
e_config_abort(ec);
gtk_widget_destroy(d);
}
/**
* e_config_create_window:
* @emp: Initialised and configured EMConfig derived instance.
* @parent: Parent window or NULL.
* @title: Title of window or dialog.
*
* Create a managed GtkWindow object from @emp. This window will be
* fully driven by the EConfig @emp. If @emp.type is
* @E_CONFIG_DRUID, then this will be a toplevel GtkWindow containing
* a GnomeDruid. If it is @E_CONFIG_BOOK then it will be a GtkDialog
* containing a Nnotebook.
*
* Unless reffed otherwise, the management object @emp will be
* finalised when the widget is.
*
* Return value: The window widget. This is also stored in @emp.window.
**/
GtkWidget *
e_config_create_window(EConfig *emp, struct _GtkWindow *parent, const char *title)
{
GtkWidget *w;
e_config_create_widget(emp);
if (emp->type == E_CONFIG_BOOK) {
w = gtk_dialog_new_with_buttons(title, parent,
GTK_DIALOG_DESTROY_WITH_PARENT |
GTK_DIALOG_NO_SEPARATOR,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect(w, "response", G_CALLBACK(ec_dialog_response), emp);
gtk_widget_ensure_style (w);
gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (w)->vbox), 0);
gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (w)->action_area), 12);
gtk_box_pack_start((GtkBox *)((GtkDialog *)w)->vbox, emp->widget, TRUE, TRUE, 0);
} else {
/* response is handled directly by the druid stuff */
w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_add((GtkContainer *)w, emp->widget);
gtk_window_set_type_hint((GtkWindow *)w, GDK_WINDOW_TYPE_HINT_DIALOG);
}
emp->window = w;
gtk_widget_show(w);
return w;
}
/**
* e_config_target_changed:
* @emp:
* @how:
*
* Indicate that the target has changed. This may be called by the
* self-aware target itself, or by the driving code. If @how is
* %E_CONFIG_TARGET_CHANGED_REBUILD, then the entire configuration
* widget may be recreated based on the changed target.
*
* This is used to sensitise Druid next/back buttons and the Apply
* button for the Notebook mode.
**/
void e_config_target_changed(EConfig *emp, e_config_target_change_t how)
{
if (how == E_CONFIG_TARGET_CHANGED_REBUILD)
ec_rebuild(emp);
if (emp->type == E_CONFIG_DRUID) {
if (emp->priv->druid_page)
ec_druid_check_current(emp);
} else {
if (emp->window) {
if (e_config_page_check(emp, NULL)) {
gtk_dialog_set_response_sensitive((GtkDialog *)emp->window, GTK_RESPONSE_OK, TRUE);
} else {
gtk_dialog_set_response_sensitive((GtkDialog *)emp->window, GTK_RESPONSE_OK, FALSE);
}
}
}
/* virtual method/signal? */
}
/**
* e_config_abort:
* @ec:
*
* Signify that the stateful configuration changes must be discarded
* to all listeners. This is used by self-driven druid or notebook, or
* may be used by code using the widget directly.
**/
void e_config_abort(EConfig *ec)
{
struct _EConfigPrivate *p = ec->priv;
struct _menu_node *mnode;
/* TODO: should these just be signals? */
for (mnode = (struct _menu_node *)p->menus.head;mnode->next;mnode=mnode->next)
if (mnode->abort)
mnode->abort(ec, mnode->menu, mnode->data);
}
/**
* e_config_commit:
* @ec:
*
* Signify that the stateful configuration changes should be saved.
* This is used by the self-driven druid or notebook, or may be used
* by code driving the widget directly.
**/
void e_config_commit(EConfig *ec)
{
struct _EConfigPrivate *p = ec->priv;
struct _menu_node *mnode;
/* TODO: should these just be signals? */
for (mnode = (struct _menu_node *)p->menus.head;mnode->next;mnode=mnode->next)
if (mnode->commit)
mnode->commit(ec, mnode->menu, mnode->data);
}
/**
* e_config_page_check:
* @ec:
* @pageid: The path of the page item.
*
* Check that a given page is complete. If @pageid is NULL, then check
* the whole config. No check is made that the page actually exists.
*
* Return value: FALSE if the data is inconsistent/incomplete.
**/
gboolean e_config_page_check(EConfig *ec, const char *pageid)
{
struct _EConfigPrivate *p = ec->priv;
struct _check_node *mnode;
for (mnode = (struct _check_node *)p->checks.head;mnode->next;mnode=mnode->next)
if ((pageid == NULL
|| mnode->pageid == NULL
|| strcmp(mnode->pageid, pageid) == 0)
&& !mnode->check(ec, pageid, mnode->data))
return FALSE;
return TRUE;
}
/**
* e_config_page_get:
* @ec:
* @pageid: The path of the page item.
*
* Retrieve the page widget corresponding to @pageid.
*
* Return value: The page widget. It will be the root GtkNotebook
* container or the GnomeDruidPage object.
**/
GtkWidget *e_config_page_get(EConfig *ec, const char *pageid)
{
struct _widget_node *wn;
for (wn = (struct _widget_node *)ec->priv->widgets.head;wn->next;wn=wn->next)
if (!wn->empty
&& (wn->item->type == E_CONFIG_PAGE
|| wn->item->type == E_CONFIG_PAGE_START
|| wn->item->type == E_CONFIG_PAGE_FINISH)
&& !strcmp(wn->item->path, pageid))
return wn->frame;
return NULL;
}
/**
* e_config_page_next:
* @ec:
* @pageid: The path of the page item.
*
* Find the path of the next visible page after @pageid. If @pageid
* is NULL then find the first visible page.
*
* Return value: The path of the next page, or @NULL if @pageid was the
* last configured and visible page.
**/
const char *e_config_page_next(EConfig *ec, const char *pageid)
{
struct _widget_node *wn;
int found;
found = pageid == NULL ? 1:0;
for (wn = (struct _widget_node *)ec->priv->widgets.head;wn->next;wn=wn->next)
if (!wn->empty
&& (wn->item->type == E_CONFIG_PAGE
|| wn->item->type == E_CONFIG_PAGE_START
|| wn->item->type == E_CONFIG_PAGE_FINISH)) {
if (found)
return wn->item->path;
else if (strcmp(wn->item->path, pageid) == 0)
found = 1;
}
return NULL;
}
/**
* e_config_page_next:
* @ec:
* @pageid: The path of the page item.
*
* Find the path of the previous visible page before @pageid. If @pageid
* is NULL then find the last visible page.
*
* Return value: The path of the previous page, or @NULL if @pageid was the
* first configured and visible page.
**/
const char *e_config_page_prev(EConfig *ec, const char *pageid)
{
struct _widget_node *wn;
int found;
found = pageid == NULL ? 1:0;
for (wn = (struct _widget_node *)ec->priv->widgets.tailpred;wn->prev;wn=wn->prev)
if (!wn->empty
&& (wn->item->type == E_CONFIG_PAGE
|| wn->item->type == E_CONFIG_PAGE_START
|| wn->item->type == E_CONFIG_PAGE_FINISH)) {
if (found)
return wn->item->path;
else if (strcmp(wn->item->path, pageid) == 0)
found = 1;
}
return NULL;
}
/* ********************************************************************** */
/**
* e_config_class_add_factory:
* @klass: Implementing class pointer.
* @id: The name of the configuration window you're interested in.
* This may be NULL to be called for all windows.
* @func: An EConfigFactoryFunc to call when the window @id is being
* created.
* @data: Callback data.
*
* Add a config factory which will be called to add_items() any
* extra items's if wants to, to the current Config window.
*
* TODO: Make the id a pattern?
*
* Return value: A handle to the factory.
**/
EConfigFactory *
e_config_class_add_factory(EConfigClass *klass, const char *id, EConfigFactoryFunc func, void *data)
{
struct _EConfigFactory *f = g_malloc0(sizeof(*f));
f->id = g_strdup(id);
f->factory = func;
f->factory_data = data;
e_dlist_addtail(&klass->factories, (EDListNode *)f);
return f;
}
/**
* e_config_class_remove_factory:
* @f: Handle from :class_add_factory() call.
*
* Remove a config factory. The handle @f may only be removed once.
**/
void
e_config_class_remove_factory(EConfigClass *klass, EConfigFactory *f)
{
e_dlist_remove((EDListNode *)f);
g_free(f->id);
g_free(f);
}
/**
* e_config_target_new:
* @ep: Parent EConfig object.
* @type: type, up to implementor
* @size: Size of object to allocate.
*
* Allocate a new config target suitable for this class. Implementing
* classes will define the actual content of the target.
**/
void *e_config_target_new(EConfig *ep, int type, size_t size)
{
EConfigTarget *t;
g_assert(size >= sizeof(EConfigTarget));
t = g_malloc0(size);
t->config = ep;
g_object_ref(ep);
t->type = type;
return t;
}
/**
* e_config_target_free:
* @ep: Parent EConfig object.
* @o: The target to fre.
*
* Free a target. The implementing class can override this method to
* free custom targets.
**/
void
e_config_target_free(EConfig *ep, void *o)
{
EConfigTarget *t = o;
((EConfigClass *)G_OBJECT_GET_CLASS(ep))->target_free(ep, t);
}
/* ********************************************************************** */
/* Config menu plugin handler */
/*
<e-plugin
class="org.gnome.mail.plugin.config:1.0"
id="org.gnome.mail.plugin.config.item:1.0"
type="shlib"
location="/opt/gnome2/lib/camel/1.0/libcamelimap.so"
name="imap"
description="IMAP4 and IMAP4v1 mail store">
<hook class="org.gnome.mail.configMenu:1.0"
handler="HandleConfig">
<menu id="any" target="select">
<item
type="item|toggle|radio|image|submenu|bar"
active
path="foo/bar"
label="label"
icon="foo"
activate="ep_view_emacs"/>
</menu>
</extension>
*/
static void *emph_parent_class;
#define emph ((EConfigHook *)eph)
static const EPluginHookTargetKey ech_item_types[] = {
{ "book", E_CONFIG_BOOK },
{ "druid", E_CONFIG_DRUID },
{ "page", E_CONFIG_PAGE },
{ "page_start", E_CONFIG_PAGE_START },
{ "page_finish", E_CONFIG_PAGE_FINISH },
{ "section", E_CONFIG_SECTION },
{ "section_table", E_CONFIG_SECTION_TABLE },
{ "item", E_CONFIG_ITEM },
{ "item_table", E_CONFIG_ITEM_TABLE },
{ 0 },
};
static void
ech_commit(EConfig *ec, GSList *items, void *data)
{
struct _EConfigHookGroup *group = data;
if (group->commit)
e_plugin_invoke(group->hook->hook.plugin, group->commit, ec->target);
}
static void
ech_abort(EConfig *ec, GSList *items, void *data)
{
struct _EConfigHookGroup *group = data;
if (group->abort)
e_plugin_invoke(group->hook->hook.plugin, group->abort, ec->target);
}
static gboolean
ech_check(EConfig *ec, const char *pageid, void *data)
{
struct _EConfigHookGroup *group = data;
EConfigHookPageCheckData hdata;
if (!group->hook->hook.plugin->enabled)
return TRUE;
hdata.config = ec;
hdata.target = ec->target;
hdata.pageid = pageid?pageid:"";
return GPOINTER_TO_INT(e_plugin_invoke(group->hook->hook.plugin, group->check, &hdata));
}
static void
ech_config_factory(EConfig *emp, void *data)
{
struct _EConfigHookGroup *group = data;
d(printf("config factory called %s\n", group->id?group->id:"all menus"));
if (emp->target->type != group->target_type)
return;
if (group->items)
e_config_add_items(emp, group->items, ech_commit, ech_abort, NULL, group);
if (group->check)
e_config_add_page_check(emp, NULL, ech_check, group);
}
static void
emph_free_item(struct _EConfigItem *item)
{
g_free(item->path);
g_free(item->label);
g_free(item->user_data);
g_free(item);
}
static void
emph_free_group(struct _EConfigHookGroup *group)
{
g_slist_foreach(group->items, (GFunc)emph_free_item, NULL);
g_slist_free(group->items);
g_free(group->id);
g_free(group);
}
static struct _GtkWidget *
ech_config_widget_factory(EConfig *ec, EConfigItem *item, GtkWidget *parent, GtkWidget *old, void *data)
{
struct _EConfigHookGroup *group = data;
EConfigHookItemFactoryData hdata;
hdata.config = ec;
hdata.item = item;
hdata.target = ec->target;
hdata.parent = parent;
hdata.old = old;
return (struct _GtkWidget *)e_plugin_invoke(group->hook->hook.plugin, (char *)item->user_data, &hdata);
}
static struct _EConfigItem *
emph_construct_item(EPluginHook *eph, EConfigHookGroup *menu, xmlNodePtr root, EConfigHookTargetMap *map)
{
struct _EConfigItem *item;
d(printf(" loading config item\n"));
item = g_malloc0(sizeof(*item));
if ((item->type = e_plugin_hook_id(root, ech_item_types, "type")) == -1)
goto error;
item->path = e_plugin_xml_prop(root, "path");
item->label = e_plugin_xml_prop_domain(root, "label", eph->plugin->domain);
item->user_data = e_plugin_xml_prop(root, "factory");
if (item->path == NULL
|| (item->label == NULL && item->user_data == NULL))
goto error;
if (item->user_data)
item->factory = ech_config_widget_factory;
d(printf(" path=%s label=%s factory=%s\n", item->path, item->label, (char *)item->user_data));
return item;
error:
d(printf("error!\n"));
emph_free_item(item);
return NULL;
}
static struct _EConfigHookGroup *
emph_construct_menu(EPluginHook *eph, xmlNodePtr root)
{
struct _EConfigHookGroup *menu;
xmlNodePtr node;
EConfigHookTargetMap *map;
EConfigHookClass *klass = (EConfigHookClass *)G_OBJECT_GET_CLASS(eph);
char *tmp;
d(printf(" loading menu\n"));
menu = g_malloc0(sizeof(*menu));
tmp = xmlGetProp(root, "target");
if (tmp == NULL)
goto error;
map = g_hash_table_lookup(klass->target_map, tmp);
xmlFree(tmp);
if (map == NULL)
goto error;
menu->target_type = map->id;
menu->id = e_plugin_xml_prop(root, "id");
menu->check = e_plugin_xml_prop(root, "check");
menu->commit = e_plugin_xml_prop(root, "commit");
menu->abort = e_plugin_xml_prop(root, "abort");
menu->hook = (EConfigHook *)eph;
node = root->children;
while (node) {
if (0 == strcmp(node->name, "item")) {
struct _EConfigItem *item;
item = emph_construct_item(eph, menu, node, map);
if (item)
menu->items = g_slist_append(menu->items, item);
}
node = node->next;
}
return menu;
error:
emph_free_group(menu);
return NULL;
}
static int
emph_construct(EPluginHook *eph, EPlugin *ep, xmlNodePtr root)
{
xmlNodePtr node;
EConfigClass *klass;
d(printf("loading config hook\n"));
if (((EPluginHookClass *)emph_parent_class)->construct(eph, ep, root) == -1)
return -1;
klass = ((EConfigHookClass *)G_OBJECT_GET_CLASS(eph))->config_class;
node = root->children;
while (node) {
if (strcmp(node->name, "group") == 0) {
struct _EConfigHookGroup *group;
group = emph_construct_menu(eph, node);
if (group) {
e_config_class_add_factory(klass, group->id, ech_config_factory, group);
emph->groups = g_slist_append(emph->groups, group);
}
}
node = node->next;
}
eph->plugin = ep;
return 0;
}
static void
emph_finalise(GObject *o)
{
EPluginHook *eph = (EPluginHook *)o;
g_slist_foreach(emph->groups, (GFunc)emph_free_group, NULL);
g_slist_free(emph->groups);
((GObjectClass *)emph_parent_class)->finalize(o);
}
static void
emph_class_init(EPluginHookClass *klass)
{
((GObjectClass *)klass)->finalize = emph_finalise;
klass->construct = emph_construct;
/* this is actually an abstract implementation but list it anyway */
klass->id = "org.gnome.evolution.config:1.0";
d(printf("EConfigHook: init class %p '%s'\n", klass, g_type_name(((GObjectClass *)klass)->g_type_class.g_type)));
((EConfigHookClass *)klass)->target_map = g_hash_table_new(g_str_hash, g_str_equal);
((EConfigHookClass *)klass)->config_class = g_type_class_ref(e_config_get_type());
}
/**
* e_config_hook_get_type:
*
* Standard GObject function to get the object type.
*
* Return value: The EConfigHook class type.
**/
GType
e_config_hook_get_type(void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof(EConfigHookClass), NULL, NULL, (GClassInitFunc) emph_class_init, NULL, NULL,
sizeof(EConfigHook), 0, (GInstanceInitFunc) NULL,
};
emph_parent_class = g_type_class_ref(e_plugin_hook_get_type());
type = g_type_register_static(e_plugin_hook_get_type(), "EConfigHook", &info, 0);
}
return type;
}
/**
* e_config_hook_class_add_target_map:
*
* @klass: The dervied EconfigHook class.
* @map: A map used to describe a single EConfigTarget type for this
* class.
*
* Add a targe tmap to a concrete derived class of EConfig. The
* target map enumates the target types available for the implenting
* class.
**/
void e_config_hook_class_add_target_map(EConfigHookClass *klass, const EConfigHookTargetMap *map)
{
g_hash_table_insert(klass->target_map, (void *)map->type, (void *)map);
}
