qulogic/libgnt

Simplify some confusing code
release-2.x.y v2.10.8 v2.10.9
2013-02-26, Daniel Atallah
fabc15bbea63
Simplify some confusing code
/**
* 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 02111-1301 USA
*/
#include "gntinternal.h"
#include "gntlabel.h"
#include "gntutils.h"
#include <string.h>
enum
{
PROP_0,
PROP_TEXT,
PROP_TEXT_FLAG
};
enum
{
SIGS = 1,
};
static GntWidgetClass *parent_class = NULL;
static void
gnt_label_destroy(GntWidget *widget)
{
GntLabel *label = GNT_LABEL(widget);
g_free(label->text);
}
static void
gnt_label_draw(GntWidget *widget)
{
GntLabel *label = GNT_LABEL(widget);
chtype flag = gnt_text_format_flag_to_chtype(label->flags);
wbkgdset(widget->window, '\0' | flag);
mvwaddstr(widget->window, 0, 0, C_(label->text));
GNTDEBUG;
}
static void
gnt_label_size_request(GntWidget *widget)
{
GntLabel *label = GNT_LABEL(widget);
gnt_util_get_text_bound(label->text,
&widget->priv.width, &widget->priv.height);
}
static void
gnt_label_set_property(GObject *obj, guint prop_id, const GValue *value,
GParamSpec *spec)
{
GntLabel *label = GNT_LABEL(obj);
switch (prop_id) {
case PROP_TEXT:
g_free(label->text);
label->text = gnt_util_onscreen_fit_string(g_value_get_string(value), -1);
break;
case PROP_TEXT_FLAG:
label->flags = g_value_get_int(value);
break;
default:
g_return_if_reached();
break;
}
}
static void
gnt_label_get_property(GObject *obj, guint prop_id, GValue *value,
GParamSpec *spec)
{
GntLabel *label = GNT_LABEL(obj);
switch (prop_id) {
case PROP_TEXT:
g_value_set_string(value, label->text);
break;
case PROP_TEXT_FLAG:
g_value_set_int(value, label->flags);
break;
default:
break;
}
}
static void
gnt_label_class_init(GntLabelClass *klass)
{
GObjectClass *gclass = G_OBJECT_CLASS(klass);
parent_class = GNT_WIDGET_CLASS(klass);
parent_class->destroy = gnt_label_destroy;
parent_class->draw = gnt_label_draw;
parent_class->map = NULL;
parent_class->size_request = gnt_label_size_request;
gclass->set_property = gnt_label_set_property;
gclass->get_property = gnt_label_get_property;
g_object_class_install_property(gclass,
PROP_TEXT,
g_param_spec_string("text", "Text",
"The text for the label.",
NULL,
G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
)
);
g_object_class_install_property(gclass,
PROP_TEXT_FLAG,
g_param_spec_int("text-flag", "Text flag",
"Text attribute to use when displaying the text in the label.",
GNT_TEXT_FLAG_NORMAL,
GNT_TEXT_FLAG_NORMAL|GNT_TEXT_FLAG_BOLD|GNT_TEXT_FLAG_UNDERLINE|
GNT_TEXT_FLAG_BLINK|GNT_TEXT_FLAG_DIM|GNT_TEXT_FLAG_HIGHLIGHT,
GNT_TEXT_FLAG_NORMAL,
G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
)
);
GNTDEBUG;
}
static void
gnt_label_init(GTypeInstance *instance, gpointer class)
{
GntWidget *widget = GNT_WIDGET(instance);
gnt_widget_set_take_focus(widget, FALSE);
GNT_WIDGET_SET_FLAGS(widget, GNT_WIDGET_NO_BORDER | GNT_WIDGET_NO_SHADOW);
GNT_WIDGET_SET_FLAGS(widget, GNT_WIDGET_GROW_X);
widget->priv.minw = 3;
widget->priv.minh = 1;
GNTDEBUG;
}
/******************************************************************************
* GntLabel API
*****************************************************************************/
GType
gnt_label_get_gtype(void)
{
static GType type = 0;
if(type == 0)
{
static const GTypeInfo info = {
sizeof(GntLabelClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc)gnt_label_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof(GntLabel),
0, /* n_preallocs */
gnt_label_init, /* instance_init */
NULL /* value_table */
};
type = g_type_register_static(GNT_TYPE_WIDGET,
"GntLabel",
&info, 0);
}
return type;
}
GntWidget *gnt_label_new(const char *text)
{
return gnt_label_new_with_format(text, 0);
}
GntWidget *gnt_label_new_with_format(const char *text, GntTextFormatFlags flags)
{
GntWidget *widget = g_object_new(GNT_TYPE_LABEL, "text-flag", flags, "text", text, NULL);
return widget;
}
void gnt_label_set_text(GntLabel *label, const char *text)
{
g_object_set(label, "text", text, NULL);
if (GNT_WIDGET(label)->window)
{
werase(GNT_WIDGET(label)->window);
gnt_widget_draw(GNT_WIDGET(label));
}
}