diff options
Diffstat (limited to 'tui/newt/nmt-newt-button.c')
| -rw-r--r-- | tui/newt/nmt-newt-button.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/tui/newt/nmt-newt-button.c b/tui/newt/nmt-newt-button.c new file mode 100644 index 000000000..97ad50ca6 --- /dev/null +++ b/tui/newt/nmt-newt-button.c @@ -0,0 +1,260 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * 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, see <http://www.gnu.org/licenses/>. + * + * Copyright 2013 Red Hat, Inc. + */ + +/** + * SECTION:nmt-newt-button + * @short_description: Push buttons + * + * #NmtNewtButton implements a button widget. + */ + +#include "config.h" + +#include "nmt-newt-button.h" +#include "nmt-newt-utils.h" + +G_DEFINE_TYPE (NmtNewtButton, nmt_newt_button, NMT_TYPE_NEWT_COMPONENT) + +#define NMT_NEWT_BUTTON_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_NEWT_BUTTON, NmtNewtButtonPrivate)) + +typedef struct { + char *label; +} NmtNewtButtonPrivate; + +enum { + PROP_0, + PROP_LABEL, + + LAST_PROP +}; + +enum { + CLICKED, + + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +/** + * nmt_newt_button_new: + * @label: the (initial) button label + * + * Creates a new button. + * + * Returns: a new #NmtNewtButton + */ +NmtNewtWidget * +nmt_newt_button_new (const char *label) +{ + return g_object_new (NMT_TYPE_NEWT_BUTTON, + "label", label, + NULL); +} + +/** + * nmt_newt_button_set_label: + * @button: an #NmtNewtButton + * @label: the new label + * + * Updates @button's label. + */ +void +nmt_newt_button_set_label (NmtNewtButton *button, + const char *label) +{ + NmtNewtButtonPrivate *priv = NMT_NEWT_BUTTON_GET_PRIVATE (button); + + if (!g_strcmp0 (priv->label, label)) + return; + + g_free (priv->label); + priv->label = g_strdup (label); + nmt_newt_widget_needs_rebuild (NMT_NEWT_WIDGET (button)); +} + +/** + * nmt_newt_button_get_label: + * @button: an #NmtNewtButton + * + * Gets @button's label. + * + * Returns: @button's label. + */ +const char * +nmt_newt_button_get_label (NmtNewtButton *button) +{ + NmtNewtButtonPrivate *priv = NMT_NEWT_BUTTON_GET_PRIVATE (button); + + return priv->label; +} + +static void +nmt_newt_button_init (NmtNewtButton *button) +{ +} + +static void +nmt_newt_button_finalize (GObject *object) +{ + NmtNewtButtonPrivate *priv = NMT_NEWT_BUTTON_GET_PRIVATE (object); + + g_free (priv->label); + + G_OBJECT_CLASS (nmt_newt_button_parent_class)->finalize (object); +} + +static newtComponent +nmt_newt_button_build_component (NmtNewtComponent *component, + gboolean sensitive) +{ + NmtNewtButtonPrivate *priv = NMT_NEWT_BUTTON_GET_PRIVATE (component); + newtComponent co; + char *label = NULL, *label_lc; + + if (sensitive) { + label_lc = nmt_newt_locale_from_utf8 (priv->label); + co = newtCompactButton (-1, -1, label_lc); + g_free (label_lc); + } else { + label = g_strdup_printf (" <%s>", priv->label); + label_lc = nmt_newt_locale_from_utf8 (label); + co = newtLabel (-1, -1, label_lc); + g_free (label_lc); + newtLabelSetColors (co, NMT_NEWT_COLORSET_DISABLED_BUTTON); + } + + return co; +} + +static void +nmt_newt_button_size_request (NmtNewtWidget *widget, + int *width, + int *height) +{ + NMT_NEWT_WIDGET_CLASS (nmt_newt_button_parent_class)->size_request (widget, width, height); + + /* remove the automatically-added left padding */ + (*width)--; +} + +static void +nmt_newt_button_size_allocate (NmtNewtWidget *widget, + int x, + int y, + int width, + int height) +{ + /* account for the automatically-added left padding */ + x--; + width++; + + NMT_NEWT_WIDGET_CLASS (nmt_newt_button_parent_class)->size_allocate (widget, x, y, width, height); +} + +static void +nmt_newt_button_activated (NmtNewtWidget *widget) +{ + g_signal_emit (widget, signals[CLICKED], 0); + + NMT_NEWT_WIDGET_CLASS (nmt_newt_button_parent_class)->activated (widget); +} + +static void +nmt_newt_button_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + switch (prop_id) { + case PROP_LABEL: + nmt_newt_button_set_label (NMT_NEWT_BUTTON (object), + g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_newt_button_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NmtNewtButtonPrivate *priv = NMT_NEWT_BUTTON_GET_PRIVATE (object); + + switch (prop_id) { + case PROP_LABEL: + g_value_set_string (value, priv->label); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nmt_newt_button_class_init (NmtNewtButtonClass *button_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (button_class); + NmtNewtComponentClass *component_class = NMT_NEWT_COMPONENT_CLASS (button_class); + NmtNewtWidgetClass *widget_class = NMT_NEWT_WIDGET_CLASS (button_class); + + g_type_class_add_private (button_class, sizeof (NmtNewtButtonPrivate)); + + /* virtual methods */ + object_class->set_property = nmt_newt_button_set_property; + object_class->get_property = nmt_newt_button_get_property; + object_class->finalize = nmt_newt_button_finalize; + + widget_class->size_request = nmt_newt_button_size_request; + widget_class->size_allocate = nmt_newt_button_size_allocate; + widget_class->activated = nmt_newt_button_activated; + + component_class->build_component = nmt_newt_button_build_component; + + /* signals */ + + /** + * NmtNewtButton::clicked: + * @button: the #NmtNewtButton + * + * Emitted when the button is clicked. + */ + signals[CLICKED] = + g_signal_new ("clicked", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_FIRST, + 0, NULL, NULL, NULL, + G_TYPE_NONE, 0); + + /* properties */ + + /** + * NmtNewtButton:label: + * + * The button's label + */ + g_object_class_install_property (object_class, PROP_LABEL, + g_param_spec_string ("label", "", "", + NULL, + G_PARAM_READWRITE | + G_PARAM_STATIC_STRINGS)); +} |