gatuno-terminal/src/terminal-tab-label.c

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/*
* Copyright © 2001 Havoc Pennington
* Copyright © 2007, 2008 Christian Persch
*
* 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 3, or (at your option)
* any later version.
*
* This program is distributed in the hope tab_label 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
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
#include <config.h>
#include <gtk/gtk.h>
#include "terminal-intl.h"
#include "terminal-tab-label.h"
#include "terminal-close-button.h"
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#define SPACING (4)
struct _TerminalTabLabelPrivate
{
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TerminalScreen *screen;
GtkWidget *label;
GtkWidget *close_button;
gboolean bold;
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};
enum
{
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PROP_0,
PROP_SCREEN
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};
enum
{
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CLOSE_BUTTON_CLICKED,
LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE_WITH_PRIVATE (TerminalTabLabel, terminal_tab_label, GTK_TYPE_BOX);
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/* helper functions */
static void
close_button_clicked_cb (GtkWidget *widget,
TerminalTabLabel *tab_label)
{
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g_signal_emit (tab_label, signals[CLOSE_BUTTON_CLICKED], 0);
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}
static void
sync_tab_label (TerminalScreen *screen,
GParamSpec *pspec,
GtkWidget *label)
{
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GtkWidget *hbox;
const char *title;
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title = terminal_screen_get_title (screen);
hbox = gtk_widget_get_parent (label);
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gtk_label_set_text (GTK_LABEL (label), title);
gtk_widget_set_tooltip_text (hbox, title);
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}
/* public functions */
/* Class implementation */
static void
terminal_tab_label_parent_set (GtkWidget *widget,
GtkWidget *old_parent)
{
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void (* parent_set) (GtkWidget *, GtkWidget *) = GTK_WIDGET_CLASS (terminal_tab_label_parent_class)->parent_set;
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if (parent_set)
parent_set (widget, old_parent);
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}
static void
terminal_tab_label_init (TerminalTabLabel *tab_label)
{
tab_label->priv = terminal_tab_label_get_instance_private (tab_label);
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}
static GObject *
terminal_tab_label_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_params)
{
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GObject *object;
TerminalTabLabel *tab_label;
TerminalTabLabelPrivate *priv;
GtkWidget *hbox, *label, *close_button;
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object = G_OBJECT_CLASS (terminal_tab_label_parent_class)->constructor
(type, n_construct_properties, construct_params);
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tab_label = TERMINAL_TAB_LABEL (object);
hbox = GTK_WIDGET (tab_label);
priv = tab_label->priv;
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g_assert (priv->screen != NULL);
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gtk_box_set_spacing (GTK_BOX (hbox), SPACING);
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priv->label = label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_label_set_yalign (GTK_LABEL (label), 0.5);
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gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);
gtk_label_set_single_line_mode (GTK_LABEL (label), TRUE);
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gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
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priv->close_button = close_button = terminal_close_button_new ();
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gtk_widget_set_tooltip_text (close_button, _("Close tab"));
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gtk_box_pack_end (GTK_BOX (hbox), close_button, FALSE, FALSE, 0);
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sync_tab_label (priv->screen, NULL, label);
g_signal_connect (priv->screen, "notify::title",
G_CALLBACK (sync_tab_label), label);
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g_signal_connect (close_button, "clicked",
G_CALLBACK (close_button_clicked_cb), tab_label);
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gtk_widget_show_all (hbox);
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return object;
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}
static void
terminal_tab_label_dispose (GObject *object)
{
TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object);
TerminalTabLabelPrivate *priv = tab_label->priv;
if (priv->screen != NULL) {
g_signal_handlers_disconnect_by_func (priv->screen,
G_CALLBACK (sync_tab_label),
priv->label);
g_object_unref (priv->screen);
priv->screen = NULL;
}
G_OBJECT_CLASS (terminal_tab_label_parent_class)->dispose (object);
}
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static void
terminal_tab_label_finalize (GObject *object)
{
// TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object);
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G_OBJECT_CLASS (terminal_tab_label_parent_class)->finalize (object);
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}
static void
terminal_tab_label_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
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TerminalTabLabel *tab_label = TERMINAL_TAB_LABEL (object);
TerminalTabLabelPrivate *priv = tab_label->priv;
switch (prop_id)
{
case PROP_SCREEN:
priv->screen = g_value_dup_object (value);
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break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
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}
static void
terminal_tab_label_class_init (TerminalTabLabelClass *klass)
{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
gobject_class->constructor = terminal_tab_label_constructor;
gobject_class->dispose = terminal_tab_label_dispose;
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gobject_class->finalize = terminal_tab_label_finalize;
gobject_class->set_property = terminal_tab_label_set_property;
widget_class->parent_set = terminal_tab_label_parent_set;
signals[CLOSE_BUTTON_CLICKED] =
g_signal_new (I_("close-button-clicked"),
G_OBJECT_CLASS_TYPE (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (TerminalTabLabelClass, close_button_clicked),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
g_object_class_install_property
(gobject_class,
PROP_SCREEN,
g_param_spec_object ("screen", NULL, NULL,
TERMINAL_TYPE_SCREEN,
G_PARAM_WRITABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
G_PARAM_CONSTRUCT_ONLY));
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}
/* public API */
/**
* terminal_tab_label_new:
* @screen: a #TerminalScreen
*
* Returns: a new #TerminalTabLabel for @screen
*/
GtkWidget *
terminal_tab_label_new (TerminalScreen *screen)
{
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return g_object_new (TERMINAL_TYPE_TAB_LABEL,
"screen", screen,
NULL);
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}
/**
* terminal_tab_label_set_bold:
* @tab_label: a #TerminalTabLabel
* @bold: whether to enable label bolding
*
* Sets the tab label text bold, or unbolds it.
*/
void
terminal_tab_label_set_bold (TerminalTabLabel *tab_label,
gboolean bold)
{
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TerminalTabLabelPrivate *priv = tab_label->priv;
PangoAttrList *attr_list;
PangoAttribute *weight_attr;
gboolean free_list = FALSE;
bold = bold != FALSE;
if (priv->bold == bold)
return;
priv->bold = bold;
attr_list = gtk_label_get_attributes (GTK_LABEL (priv->label));
if (!attr_list)
{
attr_list = pango_attr_list_new ();
free_list = TRUE;
}
if (bold)
weight_attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
else
weight_attr = pango_attr_weight_new (PANGO_WEIGHT_NORMAL);
/* gtk_label_get_attributes() returns the label's internal list,
* which we're probably not supposed to modify directly.
* It seems to work ok however.
*/
pango_attr_list_change (attr_list, weight_attr);
gtk_label_set_attributes (GTK_LABEL (priv->label), attr_list);
if (free_list)
pango_attr_list_unref (attr_list);
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}