You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/*
+ This widget is a GtkBox which looks roughly like:
+
+ +-----------------------------+
+ |+------------+ +----------+ |
+ || Add | | | |
+ |+------------+ | | |
+ | | | |
+ |+------------+ | | |
+ || Edit | | | |
+ |+------------+ | | |
+ | | | |
+ |+------------+ | | |
+ || Remove | | | |
+ |+------------+ +----------+ |
+ +-----------------------------+
+
+*/
+
#include <gtk/gtk.h>
#include "psppire-acr.h"
static void psppire_acr_init (PsppireAcr *);
-enum {
- COLUMN_DOUBLE,
- n_COLUMNS
-};
-
-
GType
psppire_acr_get_type (void)
{
return acr_type;
}
+
+static gboolean row_is_selected (const PsppireAcr *acr);
+
+
+static gboolean
+value_from_entry (gint col, GValue *val, gpointer data)
+{
+ GtkEntry *entry = data;
+ const gchar *text = gtk_entry_get_text (entry);
+ gdouble x = g_strtod (text, 0);
+
+ g_value_init (val, G_TYPE_DOUBLE);
+ g_value_set_double (val, x);
+
+ return TRUE;
+}
+
+
+/* Returns true, if there's text in the entry */
+static gboolean
+entry_not_empty (gpointer data)
+{
+ GtkEntry *entry = data;
+
+ const char *text = gtk_entry_get_text (entry);
+
+ return !g_str_equal (text, "");
+}
+
+
static void
-on_add_button_clicked (PsppireAcr *acr)
+clear_entry (gpointer data)
{
- GtkTreeIter iter;
- gdouble x;
+ GtkEntry *entry = data;
+ gtk_entry_set_text (entry, "");
+}
+
+
+static void
+on_entry_change (GtkEntry *entry, PsppireAcr *acr)
+{
+ gtk_widget_set_sensitive (acr->add_button, acr->enabled (entry));
+
+ gtk_widget_set_sensitive (acr->change_button, acr->enabled (entry)
+ && row_is_selected (acr));
+}
+
+void
+psppire_acr_set_entry (PsppireAcr *acr, GtkEntry *entry)
+{
+ acr->get_value = value_from_entry;
+ acr->get_value_data = entry;
+ acr->enabled = entry_not_empty;
+ acr->enabled_data = entry;
+ acr->update = clear_entry;
+ acr->update_data = entry;
+
+ g_signal_connect (entry, "changed", G_CALLBACK (on_entry_change), acr);
+}
- const gchar *text = gtk_entry_get_text (acr->entry);
- x = g_strtod (text, 0);
+/* Callback for when the Add button is clicked.
+ It appends an item to the list. */
+static void
+on_add_button_clicked (PsppireAcr *acr)
+{
+ gint i;
+ GtkTreeIter iter;
gtk_list_store_append (acr->list_store, &iter);
- gtk_list_store_set (acr->list_store, &iter,
- COLUMN_DOUBLE, x,
- -1);
+ for (i = 0 ;
+ i < gtk_tree_model_get_n_columns (GTK_TREE_MODEL (acr->list_store));
+ ++i)
+ {
+ static GValue value;
+ if ( ! acr->get_value (i, &value, acr->get_value_data) )
+ continue;
- gtk_entry_set_text (acr->entry, "");
+ gtk_list_store_set_value (acr->list_store, &iter,
+ i, &value);
+ g_value_unset (&value);
+ }
+
+ if (acr->update) acr->update (acr->update_data);
}
+
+/* Callback for when the Changed button is clicked.
+ It replaces the currently selected entry. */
static void
on_change_button_clicked (PsppireAcr *acr)
{
- const gchar *text;
- GValue value = {0};
+ gint i;
GtkTreeModel *model = GTK_TREE_MODEL (acr->list_store);
GList *l=
gtk_tree_model_get_iter (model, &iter, path);
- text = gtk_entry_get_text (acr->entry);
+ for (i = 0 ;
+ i < gtk_tree_model_get_n_columns (GTK_TREE_MODEL (acr->list_store));
+ ++i)
+ {
+ static GValue value;
+ if ( ! acr->get_value (i, &value, acr->get_value_data) )
+ continue;
- g_value_init (&value, G_TYPE_DOUBLE);
- g_value_set_double (&value, g_strtod (text, NULL));
- gtk_list_store_set_value (acr->list_store, &iter, 0, &value);
+ gtk_list_store_set_value (acr->list_store, &iter,
+ i, &value);
+ g_value_unset (&value);
+ }
g_list_foreach (l, (GFunc) gtk_tree_path_free, NULL);
g_list_free (l);
+
+ if ( acr->update) acr->update (acr->update_data);
}
+
+/* Callback for when the remove button is clicked.
+ It deletes the currently selected entry. */
static void
on_remove_button_clicked (PsppireAcr *acr)
{
g_list_free (l);
}
+/* Returns true if there is a row currently selected.
+ False otherwise. */
static gboolean
-value_present (const PsppireAcr *acr)
-{
- const char *text = gtk_entry_get_text (acr->entry);
- return !g_str_equal (text, "");
-}
-
-static gboolean
-row_is_selected (PsppireAcr *acr)
+row_is_selected (const PsppireAcr *acr)
{
gboolean result;
GtkTreeModel *model = GTK_TREE_MODEL (acr->list_store);
}
+/* Callback which occurs when an item in the treeview
+ is selected */
static void
on_select (GtkTreeSelection *selection, gpointer data)
{
gtk_widget_set_sensitive (acr->remove_button, row_is_selected (acr));
gtk_widget_set_sensitive (acr->change_button,
- row_is_selected (acr) && value_present (acr));
+ row_is_selected (acr)
+ );
}
+void
+psppire_acr_set_enabled (PsppireAcr *acr, gboolean status)
+{
+
+ gtk_widget_set_sensitive (acr->add_button, status);
+
+ gtk_widget_set_sensitive (acr->change_button, status
+ && row_is_selected (acr));
+}
+
static void
psppire_acr_init (PsppireAcr *acr)
acr->change_button = gtk_button_new_from_stock (GTK_STOCK_EDIT);
acr->remove_button = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
+ acr->get_value = NULL;
+ acr->get_value_data = NULL;
+ acr->enabled = NULL;
+ acr->update = NULL;
+
gtk_widget_set_sensitive (acr->change_button, FALSE);
gtk_widget_set_sensitive (acr->remove_button, FALSE);
gtk_widget_set_sensitive (acr->add_button, FALSE);
gtk_widget_show_all (sw);
{
- GtkCellRenderer *renderer;
- GtkTreeViewColumn *column;
-
- renderer = gtk_cell_renderer_text_new ();
- column = gtk_tree_view_column_new_with_attributes ("header",
- renderer,
- "text", COLUMN_DOUBLE,
- NULL);
+ GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
+ GtkTreeViewColumn *column =
+ gtk_tree_view_column_new_with_attributes ("value",
+ renderer,
+ "text", 0,
+ NULL);
gtk_tree_view_append_column (acr->tv, column);
}
- acr->entry = NULL;
}
return GTK_WIDGET (g_object_new (psppire_acr_get_type (), NULL));
}
-static void
-on_entry_change (GtkEntry *entry, PsppireAcr *acr)
-{
- gtk_widget_set_sensitive (acr->add_button, value_present (acr));
-
- gtk_widget_set_sensitive (acr->change_button, value_present (acr)
- && row_is_selected (acr));
-}
-
-void
-psppire_acr_set_entry (PsppireAcr *acr, GtkEntry *entry)
-{
- acr->entry = entry;
-
- g_signal_connect (entry, "changed", G_CALLBACK (on_entry_change), acr);
-}
-
/* Set the widget's treemodel */
gtk_widget_set_sensitive (GTK_WIDGET (acr), liststore != NULL);
}
+
+
+void
+psppire_acr_set_enable_func (PsppireAcr *acr, EnabledFunc func, gpointer p)
+{
+ acr->enabled = func;
+ acr->enabled_data = p;
+}
+
+void
+psppire_acr_set_get_value_func (PsppireAcr *acr,
+ GetValueFunc getvalue, gpointer data)
+{
+ acr->get_value_data = data;
+ acr->get_value = getvalue;
+}
projects / pspp-builds.git / blobdiff