qulogic/libgnt

Remove dead initializers.

2019-11-05, Elliott Sales de Andrade
88c07b4791fa
Remove dead initializers.
/*
* GNT - The GLib Ncurses Toolkit
*
* GNT is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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.
*/
#include "gntinternal.h"
#include "gntcheckbox.h"
#include "gntwidgetprivate.h"
typedef struct
{
gboolean checked;
} GntCheckBoxPrivate;
enum
{
SIG_TOGGLED = 1,
SIGS,
};
static guint signals[SIGS] = { 0 };
G_DEFINE_TYPE_WITH_PRIVATE(GntCheckBox, gnt_check_box, GNT_TYPE_BUTTON)
static void
gnt_check_box_draw(GntWidget *widget)
{
GntCheckBox *cb = GNT_CHECK_BOX(widget);
GntCheckBoxPrivate *priv = gnt_check_box_get_instance_private(cb);
WINDOW *window = gnt_widget_get_window(widget);
GntColorType type;
gboolean focus = gnt_widget_has_focus(widget);
if (focus)
type = GNT_COLOR_HIGHLIGHT;
else
type = GNT_COLOR_NORMAL;
wbkgdset(window, '\0' | gnt_color_pair(type));
mvwaddch(window, 0, 0, '[');
mvwaddch(window, 0, 1,
(priv->checked ? 'X' : ' ') |
(focus ? A_UNDERLINE : A_NORMAL));
mvwaddch(window, 0, 2, ']');
wbkgdset(window, '\0' | gnt_color_pair(GNT_COLOR_NORMAL));
mvwaddstr(window, 0, 4, C_(gnt_button_get_text(GNT_BUTTON(cb))));
(void)wmove(window, 0, 1);
}
static void
toggle_selection(GntWidget *widget)
{
GntCheckBoxPrivate *priv =
gnt_check_box_get_instance_private(GNT_CHECK_BOX(widget));
priv->checked = !priv->checked;
g_signal_emit(widget, signals[SIG_TOGGLED], 0);
gnt_widget_draw(widget);
}
static gboolean
gnt_check_box_key_pressed(GntWidget *widget, const char *text)
{
if (text[0] == ' ' && text[1] == '\0')
{
toggle_selection(widget);
return TRUE;
}
return FALSE;
}
static gboolean
gnt_check_box_clicked(GntWidget *widget, GntMouseEvent event,
G_GNUC_UNUSED int x, G_GNUC_UNUSED int y)
{
if (event == GNT_LEFT_MOUSE_DOWN) {
toggle_selection(widget);
return TRUE;
}
return FALSE;
}
static void
gnt_check_box_class_init(GntCheckBoxClass *klass)
{
GntWidgetClass *widget_class = GNT_WIDGET_CLASS(klass);
widget_class->draw = gnt_check_box_draw;
widget_class->key_pressed = gnt_check_box_key_pressed;
widget_class->clicked = gnt_check_box_clicked;
signals[SIG_TOGGLED] =
g_signal_new("toggled",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(GntCheckBoxClass, toggled),
NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
static void
gnt_check_box_init(GntCheckBox *box)
{
GntWidget *widget = GNT_WIDGET(box);
gnt_widget_set_minimum_size(widget, 4, 1);
gnt_widget_set_has_border(widget, FALSE);
gnt_widget_set_has_shadow(widget, FALSE);
}
/******************************************************************************
* GntCheckBox API
*****************************************************************************/
GntWidget *gnt_check_box_new(const char *text)
{
GntWidget *widget = g_object_new(GNT_TYPE_CHECK_BOX, NULL);
gnt_button_set_text(GNT_BUTTON(widget), text);
gnt_widget_set_take_focus(widget, TRUE);
return widget;
}
void gnt_check_box_set_checked(GntCheckBox *box, gboolean set)
{
GntCheckBoxPrivate *priv = gnt_check_box_get_instance_private(box);
if (set != priv->checked) {
priv->checked = set;
g_signal_emit(box, signals[SIG_TOGGLED], 0);
}
}
gboolean gnt_check_box_get_checked(GntCheckBox *box)
{
GntCheckBoxPrivate *priv = gnt_check_box_get_instance_private(box);
return priv->checked;
}