geanyentryaction.c

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/*
 *      geanyentryaction.c - this file is part of Geany, a fast and lightweight IDE
 *
 *      Copyright 2008 The Geany contributors
 *
 *      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
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      This program 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 General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License along
 *      with this program; if not, write to the Free Software Foundation, Inc.,
 *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
/* GtkAction subclass to provide a GtkEntry in a toolbar.
 * This class is missing the action_create_menu_item() function and so can't be
 * used for creating menu items. */
 
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
 
#include "geanyentryaction.h"
 
#include "ui_utils.h"
 
#include <ctype.h>
 
 
typedef struct _GeanyEntryActionPrivate     GeanyEntryActionPrivate;
 
#define GEANY_ENTRY_ACTION_GET_PRIVATE(obj) (GEANY_ENTRY_ACTION(obj)->priv)
 
 
struct _GeanyEntryActionPrivate
{
    GtkWidget   *entry;
    gboolean     numeric;
    gboolean     connected;
};
 
enum
{
    ENTRY_ACTIVATE,
    ENTRY_ACTIVATE_BACKWARD,
    ENTRY_CHANGED,
 
    LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
 
 
G_DEFINE_TYPE(GeanyEntryAction, geany_entry_action, GTK_TYPE_ACTION)
 
 
static GtkWidget *geany_entry_action_create_tool_item(GtkAction *action)
{
    GtkWidget *toolitem;
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 
    priv->entry = gtk_entry_new();
    if (priv->numeric)
        gtk_entry_set_width_chars(GTK_ENTRY(priv->entry), 9);
 
    ui_entry_add_clear_icon(GTK_ENTRY(priv->entry));
    ui_entry_add_activate_backward_signal(GTK_ENTRY(priv->entry));
 
    gtk_widget_show(priv->entry);
 
    toolitem = g_object_new(GTK_TYPE_TOOL_ITEM, NULL);
    gtk_container_add(GTK_CONTAINER(toolitem), priv->entry);
 
    return toolitem;
}
 
 
static void delegate_entry_activate_cb(GtkEntry *entry, GeanyEntryAction *action)
{
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
    const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 
    g_signal_emit(action, signals[ENTRY_ACTIVATE], 0, text);
}
 
 
static void delegate_entry_activate_backward_cb(GtkEntry *entry, GeanyEntryAction *action)
{
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
    const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 
    g_signal_emit(action, signals[ENTRY_ACTIVATE_BACKWARD], 0, text);
}
 
 
static void delegate_entry_changed_cb(GtkEditable *editable, GeanyEntryAction *action)
{
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
    const gchar *text = gtk_entry_get_text(GTK_ENTRY(priv->entry));
 
    g_signal_emit(action, signals[ENTRY_CHANGED], 0, text);
}
 
 
static void geany_entry_action_connect_proxy(GtkAction *action, GtkWidget *widget)
{
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 
    /* make sure not to connect handlers twice */
    if (! priv->connected)
    {
        if (priv->numeric)
            g_signal_connect(priv->entry, "insert-text",
                G_CALLBACK(ui_editable_insert_text_callback), NULL);
        g_signal_connect(priv->entry, "changed", G_CALLBACK(delegate_entry_changed_cb), action);
        g_signal_connect(priv->entry, "activate", G_CALLBACK(delegate_entry_activate_cb), action);
        g_signal_connect(priv->entry, "activate-backward",
            G_CALLBACK(delegate_entry_activate_backward_cb), action);
 
        priv->connected = TRUE;
    }
 
    GTK_ACTION_CLASS(geany_entry_action_parent_class)->connect_proxy(action, widget);
}
 
 
static void geany_entry_action_class_init(GeanyEntryActionClass *klass)
{
    GtkActionClass *action_class = GTK_ACTION_CLASS(klass);
 
    action_class->connect_proxy = geany_entry_action_connect_proxy;
    action_class->create_tool_item = geany_entry_action_create_tool_item;
    action_class->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
 
    g_type_class_add_private(klass, sizeof(GeanyEntryActionPrivate));
 
    signals[ENTRY_CHANGED] = g_signal_new("entry-changed",
                                    G_TYPE_FROM_CLASS(klass),
                                    G_SIGNAL_RUN_LAST,
                                    0,
                                    NULL,
                                    NULL,
                                    g_cclosure_marshal_VOID__STRING,
                                    G_TYPE_NONE, 1, G_TYPE_STRING);
    signals[ENTRY_ACTIVATE] = g_signal_new("entry-activate",
                                    G_TYPE_FROM_CLASS(klass),
                                    G_SIGNAL_RUN_LAST,
                                    0,
                                    NULL,
                                    NULL,
                                    g_cclosure_marshal_VOID__STRING,
                                    G_TYPE_NONE, 1, G_TYPE_STRING);
    signals[ENTRY_ACTIVATE_BACKWARD] = g_signal_new("entry-activate-backward",
                                    G_TYPE_FROM_CLASS(klass),
                                    G_SIGNAL_RUN_LAST,
                                    0,
                                    NULL,
                                    NULL,
                                    g_cclosure_marshal_VOID__STRING,
                                    G_TYPE_NONE, 1, G_TYPE_STRING);
}
 
 
static void geany_entry_action_init(GeanyEntryAction *action)
{
    GeanyEntryActionPrivate *priv;
 
    action->priv = G_TYPE_INSTANCE_GET_PRIVATE(action,
        GEANY_ENTRY_ACTION_TYPE, GeanyEntryActionPrivate);
 
    priv = action->priv;
    priv->entry = NULL;
    priv->numeric = FALSE;
    priv->connected = FALSE;
}
 
 
GtkAction *geany_entry_action_new(const gchar *name, const gchar *label,
                                  const gchar *tooltip, gboolean numeric)
{
    GtkAction *action = g_object_new(GEANY_ENTRY_ACTION_TYPE,
        "name", name,
        "label", label,
        "tooltip", tooltip,
        NULL);
    GeanyEntryActionPrivate *priv = GEANY_ENTRY_ACTION_GET_PRIVATE(action);
 
    priv->numeric = numeric;
 
    return action;
}