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/* utility.h
* Copyright (C) 2003 Vivien Malerba <malerba@gnome-db.org>
*
* 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 <gtk/gtk.h>
#include "mg-work-core.h"
#include "mg-context.h"
#include "mg-data-entry.h"
/*
*
* Data Entry utilities
*
*/
GtkWidget* utility_entry_build_actions_menu (GObject *obj_data, guint attrs, GCallback function);
GdkColor ** utility_entry_build_info_colors_array (void);
/*
*
* Combo utilities
*
*/
typedef struct _ComboCore ComboCore;
typedef struct _ComboNode ComboNode;
struct _ComboNode {
MgParameter *param;
GdaValue *value; /* we don't own the value, since it belongs to a GdaDataModel => don't free it */
gint position; /* pos. in ComboCore's resultset */
GdaValue *value_orig;
GdaValue *value_default;
};
struct _ComboCore {
MgConf *conf;
MgContext *context;
GSList *nodes; /* ComboNode structures */
MgQuery *query;
gint nb_visible_cols; /* query's number of visible columns */
gint *mask;
gint masksize;
GCallback dependency_param_callback;
gpointer dependency_data;
MgResultSet *resultset;
GdaDataModel *data_model;
gboolean data_model_valid;
};
#define COMBO_NODE(x) ((ComboNode *) (x))
#define COMBO_CORE(x) ((ComboCore *)(x))
ComboCore *utility_combo_initialize_core (MgConf *conf, MgContext *context, MgContextNode *node,
GCallback dependency_param_callback, gpointer data);
void utility_combo_free_core (ComboCore *core);
void utility_combo_compute_model (ComboCore *core);
void utility_combo_destroy_model (ComboCore *core);
gchar *utility_combo_compute_display_string (ComboCore *core, GList *values);
GList *utility_combo_compute_choice_strings (ComboCore *core);
/*
*
* MgWorkGrid and renderers utilities
*
* The following structure is used by the MgWorkGrid data's model which is a 2 columns data model:
* --> 1 column which refers to the row number to be displayed at the selected row (or -1 for a new row)
* --> 1 column which holds the changes the user has made to the model; the original data
* is not modified. This column is a ModelUserModifiedRow structure (all
* the data in each of these structures is allocated on demand, and managed in priv->modified_rows).
*
* The ModelUserModifiedValue's value field can be a GdaValue of type GDA_VALUE_TYPE_LIST, for multiple parameters
* nodes, and in which case there are more than the PK fields of the query: all the fields of context_node->query
* have their value listed there.
*
* No data is allocated within the data model itself.
*/
enum {
COLUMN_ROW_NUM,
COLUMN_USER_MODIFS_ROW
};
typedef struct {
gboolean to_be_deleted;
GSList *pkey; /* list of GdaValue to identify the row */
GSList *user_values; /* list of ModelUserModifiedValue */
} ModelUserModifiedRow;
#define MODEL_USER_MODIFIED_ROW(x) ((ModelUserModifiedRow *) (x))
typedef struct
{
MgContextNode *context_node;
GdaValue *value; /* can also be GDA_VALUE_TYPE_LIST for multiple values; values are owned */
guint attributes;
} ModelUserModifiedValue;
#define MODEL_USER_MODIFIED_VALUE(x) ((ModelUserModifiedValue *) (x))
GdaValue *utility_grid_model_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter,
MgWorkCore *core, MgContextNode *context_node,
gboolean pk_values_only, guint *attributes);
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