From 9088acabd866ee50b1c6c620569368bb46079082 Mon Sep 17 00:00:00 2001
From: Christopher Lam <christopher.lck@gmail.com>
Date: Thu, 13 Jan 2022 18:10:38 +0800
Subject: [PATCH] [gnc-budget.cpp] convert to c++

---
 libgnucash/engine/CMakeLists.txt                   |  2 +-
 libgnucash/engine/{gnc-budget.c => gnc-budget.cpp} | 12 ++++++------
 libgnucash/engine/gnc-budget.h                     | 10 ++++++++++
 po/POTFILES.in                                     |  2 +-
 4 files changed, 18 insertions(+), 8 deletions(-)
 rename libgnucash/engine/{gnc-budget.c => gnc-budget.cpp} (98%)

diff --git a/libgnucash/engine/CMakeLists.txt b/libgnucash/engine/CMakeLists.txt
index d860bd4361..8dde8461bc 100644
--- a/libgnucash/engine/CMakeLists.txt
+++ b/libgnucash/engine/CMakeLists.txt
@@ -139,7 +139,7 @@ set (engine_SOURCES
   cap-gains.c
   cashobjects.c
   gnc-aqbanking-templates.cpp
-  gnc-budget.c
+  gnc-budget.cpp
   gnc-commodity.c
   gnc-date.cpp
   gnc-datetime.cpp
diff --git a/libgnucash/engine/gnc-budget.c b/libgnucash/engine/gnc-budget.cpp
similarity index 98%
rename from libgnucash/engine/gnc-budget.c
rename to libgnucash/engine/gnc-budget.cpp
index a6e994a15f..47f09e0ff2 100644
--- a/libgnucash/engine/gnc-budget.c
+++ b/libgnucash/engine/gnc-budget.cpp
@@ -33,6 +33,7 @@
 
 #include "Account.h"
 
+#include "guid.hpp"
 #include "gnc-budget.h"
 #include "gnc-commodity.h"
 
@@ -196,7 +197,7 @@ gnc_budget_set_property( GObject* object,
         gnc_budget_set_num_periods(budget, g_value_get_uint(value));
         break;
     case PROP_RECURRENCE:
-        gnc_budget_set_recurrence(budget, g_value_get_pointer(value));
+        gnc_budget_set_recurrence (budget, static_cast<Recurrence*>(g_value_get_pointer(value)));
         break;
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
@@ -311,12 +312,11 @@ gnc_budget_commit_edit(GncBudget *bgt)
 GncBudget*
 gnc_budget_new(QofBook *book)
 {
-    GncBudget* budget;
-
     g_return_val_if_fail(book, NULL);
 
     ENTER(" ");
-    budget = g_object_new(GNC_TYPE_BUDGET, NULL);
+
+    auto budget { static_cast<GncBudget*>(g_object_new(GNC_TYPE_BUDGET, nullptr)) };
     qof_instance_init_data (&budget->inst, GNC_ID_BUDGET, book);
 
     qof_event_gen( &budget->inst, QOF_EVENT_CREATE , NULL);
@@ -773,7 +773,7 @@ get_acct_array (const GncBudget *budget, const Account *account)
     GArray *array;
 
     if (!g_hash_table_lookup_extended (priv->acct_hash, account, NULL,
-                                       (gpointer) &array))
+                                       (gpointer*)(&array)))
     {
         array = g_array_sized_new (FALSE, TRUE, sizeof (PeriodData),
                                    priv->num_periods);
@@ -879,7 +879,7 @@ static QofObject budget_object_def =
     DI(.interface_version = ) QOF_OBJECT_VERSION,
     DI(.e_type            = ) GNC_ID_BUDGET,
     DI(.type_label        = ) "Budget",
-    DI(.create            = ) (gpointer)gnc_budget_new,
+    DI(.create            = ) (void*(*)(QofBook*)) gnc_budget_new,
     DI(.book_begin        = ) NULL,
     DI(.book_end          = ) gnc_budget_book_end,
     DI(.is_dirty          = ) qof_collection_is_dirty,
diff --git a/libgnucash/engine/gnc-budget.h b/libgnucash/engine/gnc-budget.h
index f5b9a2cee2..d9c1e814d5 100644
--- a/libgnucash/engine/gnc-budget.h
+++ b/libgnucash/engine/gnc-budget.h
@@ -64,6 +64,11 @@
 #ifndef __GNC_BUDGET_H__
 #define __GNC_BUDGET_H__
 
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
 #include <glib.h>
 
 /** The budget data.*/
@@ -171,6 +176,11 @@ GncBudget* gnc_budget_get_default(QofBook *book);
 GncBudget* gnc_budget_lookup (const GncGUID *guid, const QofBook *book);
 #define  gnc_budget_lookup_direct(g,b) gnc_budget_lookup(&(g),(b))
 
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif // __BUDGET_H__
 
 /** @} */
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 365d56798f..2194e9e5e3 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -630,7 +630,7 @@ libgnucash/engine/engine-helpers.c
 libgnucash/engine/gncAddress.c
 libgnucash/engine/gnc-aqbanking-templates.cpp
 libgnucash/engine/gncBillTerm.c
-libgnucash/engine/gnc-budget.c
+libgnucash/engine/gnc-budget.cpp
 libgnucash/engine/gncBusiness.c
 libgnucash/engine/gnc-commodity.c
 libgnucash/engine/gnc-commodity.h