mirror of https://github.com/Gnucash/gnucash
a generic selection widget. git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@5824 57a11ea4-9604-0410-9ed3-97b8803252fdzzzoldfeatures/g2-gog-integ
Dave Peticolas
25 years ago
parent
57bf48f051
commit
f101a63e9d
@ -0,0 +1,280 @@
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/*
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* gnc-general-select.c -- General Selection Widget
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*
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* Copyright (C) 2001 Free Software Foundation
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* All rights reserved.
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*
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* Derek Atkins <warlord@MIT.EDU>
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*
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* Gnucash is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* Gnucash is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, contact:
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*
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* Free Software Foundation Voice: +1-617-542-5942
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* 59 Temple Place - Suite 330 Fax: +1-617-542-2652
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* Boston, MA 02111-1307, USA gnu@gnu.org
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*
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*/
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/*
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@NOTATION@
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*/
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#include <config.h>
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#include <string.h>
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#include <ctype.h>
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#include <stdio.h>
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#include "gnc-general-select.h"
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/* Signal codes */
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enum
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{
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SELECTION_CHANGED,
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LAST_SIGNAL
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};
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static void gnc_general_select_init (GNCGeneralSelect *gsl);
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static void gnc_general_select_class_init (GNCGeneralSelectClass *class);
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static void gnc_general_select_destroy (GtkObject *object);
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static GtkHBoxClass *parent_class;
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static guint general_select_signals[LAST_SIGNAL];
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/**
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* gnc_general_select_get_type:
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*
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* Returns the GtkType for the GNCGeneralSelect widget
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*/
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guint
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gnc_general_select_get_type (void)
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{
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static guint general_select_type = 0;
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if (!general_select_type){
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GtkTypeInfo general_select_info = {
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"GNCGeneralSelect",
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sizeof (GNCGeneralSelect),
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sizeof (GNCGeneralSelectClass),
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(GtkClassInitFunc) gnc_general_select_class_init,
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(GtkObjectInitFunc) gnc_general_select_init,
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NULL,
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NULL,
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};
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general_select_type = gtk_type_unique (gtk_hbox_get_type (),
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&general_select_info);
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}
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return general_select_type;
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}
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static void
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gnc_general_select_forall (GtkContainer *container, gboolean include_internals,
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GtkCallback callback, gpointer callback_data)
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{
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g_return_if_fail (container != NULL);
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g_return_if_fail (GNC_IS_GENERAL_SELECT (container));
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g_return_if_fail (callback != NULL);
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/* Let GtkBox handle things only if the internal widgets need
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* to be poked. */
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if (!include_internals)
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return;
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if (!GTK_CONTAINER_CLASS (parent_class)->forall)
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return;
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GTK_CONTAINER_CLASS (parent_class)->forall (container,
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include_internals,
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callback,
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callback_data);
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}
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static void
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gnc_general_select_class_init (GNCGeneralSelectClass *klass)
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{
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GtkObjectClass *object_class = (GtkObjectClass *) klass;
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GtkContainerClass *container_class = (GtkContainerClass *) klass;
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object_class = (GtkObjectClass*) klass;
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parent_class = gtk_type_class (gtk_hbox_get_type ());
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general_select_signals[SELECTION_CHANGED] =
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gtk_signal_new("changed",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET(GNCGeneralSelectClass,
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changed),
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gtk_marshal_NONE__NONE,
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GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals(object_class,
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general_select_signals,
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LAST_SIGNAL);
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container_class->forall = gnc_general_select_forall;
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object_class->destroy = gnc_general_select_destroy;
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klass->changed = NULL;
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}
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static void
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gnc_general_select_init (GNCGeneralSelect *gsl)
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{
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gsl->selected_item = NULL;
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}
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static void
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gnc_general_select_destroy (GtkObject *object)
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{
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GNCGeneralSelect *gsl;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GNC_IS_GENERAL_SELECT (object));
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gsl = GNC_GENERAL_SELECT (object);
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gsl->entry = NULL;
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gsl->button = NULL;
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if (GTK_OBJECT_CLASS (parent_class)->destroy)
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GTK_OBJECT_CLASS (parent_class)->destroy (object);
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}
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static void
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select_cb(GtkButton * button, gpointer user_data)
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{
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GNCGeneralSelect *gsl = user_data;
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gpointer new_selection;
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GtkWidget *toplevel;
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toplevel = gtk_widget_get_toplevel (GTK_WIDGET (button));
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new_selection = (gsl->new_select)(gsl->selected_item, toplevel);
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/* NULL return means cancel; no change */
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if (new_selection == NULL)
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return;
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gnc_general_select_set_selected (gsl, new_selection);
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}
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static void
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create_children (GNCGeneralSelect *gsl)
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{
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gsl->entry = gtk_entry_new ();
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gtk_entry_set_editable (GTK_ENTRY (gsl->entry), FALSE);
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gtk_box_pack_start (GTK_BOX (gsl), gsl->entry, TRUE, TRUE, 0);
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gtk_widget_show (gsl->entry);
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gsl->button = gtk_button_new_with_label (_("Select..."));
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gtk_box_pack_start (GTK_BOX (gsl), gsl->button, FALSE, FALSE, 0);
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gtk_signal_connect (GTK_OBJECT (gsl->button), "clicked",
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select_cb, gsl);
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gtk_widget_show (gsl->button);
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}
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/**
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* gnc_general_select_new:
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*
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* Creates a new GNCGeneralSelect widget which can be used to provide
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* an easy way to choose selections
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*
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* Returns a GNCGeneralSelect widget.
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*/
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GtkWidget *
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gnc_general_select_new (GNCGeneralSelectGetStringCB get_string,
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GNCGeneralSelectNewSelectCB new_select)
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{
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GNCGeneralSelect *gsl;
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g_return_val_if_fail (get_string != NULL, NULL);
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g_return_val_if_fail (new_select != NULL, NULL);
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gsl = gtk_type_new (gnc_general_select_get_type ());
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create_children (gsl);
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gsl->get_string = get_string;
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gsl->new_select = new_select;
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return GTK_WIDGET (gsl);
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}
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/*
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* gnc_general_select_get_printname:
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* @gsl: the general selection widget
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* @selection: the selection to get the printname
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*
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* returns the printable name of the selection
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*/
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const char *
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gnc_general_select_get_printname (GNCGeneralSelect *gsl, gpointer selection)
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{
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g_return_val_if_fail (gsl != NULL, NULL);
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g_return_val_if_fail (selection != NULL, NULL);
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return (gsl->get_string)(selection);
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}
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/**
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* gnc_general_select_set_selected:
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* @gsl: the general selection widget
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* @selection: the selection to point to
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*
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* Sets the selection value of the widget to a particular pointer.
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*
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* Returns nothing.
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*/
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void
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gnc_general_select_set_selected (GNCGeneralSelect *gsl, gpointer selection)
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{
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const char *text;
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g_return_if_fail(gsl != NULL);
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g_return_if_fail(GNC_IS_GENERAL_SELECT(gsl));
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gsl->selected_item = selection;
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if (selection == NULL)
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text = "";
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else
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text = gnc_general_select_get_printname(gsl, selection);
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gtk_entry_set_text(GTK_ENTRY(gsl->entry), text);
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gtk_signal_emit(GTK_OBJECT(gsl),
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general_select_signals[SELECTION_CHANGED]);
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}
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/**
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* gnc_general_select_get_commodity:
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* @gsl: the general selection widget
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*
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* Returns the current selection by the widget.
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*/
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gpointer
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gnc_general_select_get_selected (GNCGeneralSelect *gsl)
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{
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g_return_val_if_fail(gsl != NULL, NULL);
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g_return_val_if_fail(GNC_IS_GENERAL_SELECT(gsl), NULL);
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return gsl->selected_item;
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}
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/*
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Local Variables:
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c-basic-offset: 8
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End:
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*/
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@ -0,0 +1,82 @@
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/*
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* gnc-general-select.h -- General Selection Widget
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*
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* Copyright (C) 2001 Free Software Foundation
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* All rights reserved.
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*
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* Derek Atkins <warlord@MIT.EDU>
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*
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* GnuCash is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Gnucash is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, contact:
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*
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* Free Software Foundation Voice: +1-617-542-5942
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* 59 Temple Place - Suite 330 Fax: +1-617-542-2652
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* Boston, MA 02111-1307, USA gnu@gnu.org
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*
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*/
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/*
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@NOTATION@
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*/
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#ifndef GNC_GENERAL_SELECT_H
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#define GNC_GENERAL_SELECT_H
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#include <gnome.h>
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BEGIN_GNOME_DECLS
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#define GNC_GENERAL_SELECT(obj) GTK_CHECK_CAST (obj, gnc_general_select_get_type(), GNCGeneralSelect)
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#define GNC_GENERAL_SELECT_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gnc_general_select_get_type(), GNCGeneralSelectClass)
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#define GNC_IS_GENERAL_SELECT(obj) GTK_CHECK_TYPE (obj, gnc_general_select_get_type ())
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typedef struct {
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GtkHBox hbox;
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GtkWidget *entry; /* display of selection name */
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GtkWidget *button; /* button for popping up selection window */
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gpointer selected_item;
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const char * (*get_string) (gpointer ptr);
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gpointer (*new_select) (gpointer ptr, GtkWidget *toplevel);
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} GNCGeneralSelect;
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typedef struct {
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GtkHBoxClass parent_class;
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void (*changed) (GNCGeneralSelect *edit);
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} GNCGeneralSelectClass;
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typedef const char * (*GNCGeneralSelectGetStringCB) (gpointer);
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typedef gpointer (*GNCGeneralSelectNewSelectCB) (gpointer, GtkWidget *);
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GtkWidget *gnc_general_select_new (GNCGeneralSelectGetStringCB get_string,
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GNCGeneralSelectNewSelectCB new_select);
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void gnc_general_select_set_selected (GNCGeneralSelect *gsl,
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gpointer selected);
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gpointer gnc_general_select_get_selected (GNCGeneralSelect *gsl);
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const char *gnc_general_select_get_printname (GNCGeneralSelect *gsl,
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gpointer selection);
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guint gnc_general_select_get_type (void);
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END_GNOME_DECLS
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#endif
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/*
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Local Variables:
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c-basic-offset: 8
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End:
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*/
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