/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2012 Free Software Foundation, Inc.
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
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 <config.h>
#include <gtk/gtk.h>
#include "psppire-acr.h"
+#include "helper.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
-static void psppire_acr_init (PsppireAcr *);
+G_DEFINE_TYPE (PsppireAcr, psppire_acr, GTK_TYPE_BOX);
-enum {
- COLUMN_DOUBLE,
- n_COLUMNS
-};
+static void
+psppire_acr_dispose (GObject *obj)
+{
+ PsppireAcr *acr = PSPPIRE_ACR (obj);
+ psppire_acr_set_model (acr, NULL);
+ G_OBJECT_CLASS (psppire_acr_parent_class)->dispose (obj);
+}
-GType
-psppire_acr_get_type (void)
+static void
+psppire_acr_class_init (PsppireAcrClass *class)
{
- static GType acr_type = 0;
+ G_OBJECT_CLASS (class)->dispose = psppire_acr_dispose;
+}
- if (!acr_type)
- {
- static const GTypeInfo acr_info =
- {
- sizeof (PsppireAcrClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- NULL, /* class_init */
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (PsppireAcr),
- 0,
- (GInstanceInitFunc) psppire_acr_init,
- };
-
- acr_type = g_type_register_static (GTK_TYPE_HBOX, "PsppireAcr",
- &acr_info, 0);
- }
+static gboolean row_is_selected (const PsppireAcr *acr);
- return acr_type;
+
+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, "");
+}
+
- const gchar *text = gtk_entry_get_text (acr->entry);
- x = g_strtod (text, 0);
+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);
+}
+
+
+/* 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_list_store_set_value (acr->list_store, &iter,
+ i, &value);
+ g_value_unset (&value);
+ }
- gtk_entry_set_text (acr->entry, "");
+ 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)
{
- GtkWidget *bb = gtk_vbutton_box_new ();
+ GtkWidget *bb = gtk_button_box_new (GTK_ORIENTATION_VERTICAL);
GtkWidget *sw = gtk_scrolled_window_new (NULL, NULL);
+ gtk_orientable_set_orientation (GTK_ORIENTABLE (acr), GTK_ORIENTATION_HORIZONTAL);
+
acr->tv = GTK_TREE_VIEW (gtk_tree_view_new ());
- acr->add_button = gtk_button_new_from_stock (GTK_STOCK_ADD);
- acr->change_button = gtk_button_new_from_stock (GTK_STOCK_EDIT);
- acr->remove_button = gtk_button_new_from_stock (GTK_STOCK_REMOVE);
+ acr->add_button = gtk_button_new_with_label (_("Add"));
+ acr->change_button = gtk_button_new_with_label (_("Edit"));
+ acr->remove_button = gtk_button_new_with_label (_("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_box_pack_start_defaults (GTK_BOX (bb), acr->add_button);
- gtk_box_pack_start_defaults (GTK_BOX (bb), acr->change_button);
- gtk_box_pack_start_defaults (GTK_BOX (bb), acr->remove_button);
+ psppire_box_pack_start_defaults (GTK_BOX (bb), acr->add_button);
+ psppire_box_pack_start_defaults (GTK_BOX (bb), acr->change_button);
+ psppire_box_pack_start_defaults (GTK_BOX (bb), acr->remove_button);
gtk_box_pack_start (GTK_BOX (acr), bb, FALSE, TRUE, 5);
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 */
+/* Set the widget's treemodel to LISTSTORE. LISTSTORE ownership is not
+ transferred. */
void
psppire_acr_set_model (PsppireAcr *acr, GtkListStore *liststore)
{
+ if (acr->list_store)
+ g_object_unref (acr->list_store);
+ if (liststore)
+ g_object_ref (liststore);
+
acr->list_store = liststore;
gtk_tree_view_set_model (GTK_TREE_VIEW (acr->tv),
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 / blobdiff