234 lines
7.1 KiB
C
234 lines
7.1 KiB
C
/* ide-buffer-change-monitor.c
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*
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* Copyright 2015-2019 Christian Hergert <christian@hergert.me>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#define G_LOG_DOMAIN "ide-buffer-change-monitor"
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#include "config.h"
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#include <glib/gi18n.h>
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#include "ide-buffer.h"
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#include "ide-buffer-change-monitor.h"
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#include "ide-buffer-private.h"
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typedef struct
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{
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IdeBuffer *buffer;
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} IdeBufferChangeMonitorPrivate;
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G_DEFINE_TYPE_WITH_PRIVATE (IdeBufferChangeMonitor, ide_buffer_change_monitor, IDE_TYPE_OBJECT)
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enum {
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PROP_0,
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PROP_BUFFER,
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N_PROPS
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};
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enum {
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CHANGED,
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N_SIGNALS
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};
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static GParamSpec *properties [N_PROPS];
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static guint signals [N_SIGNALS];
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IdeBufferLineChange
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ide_buffer_change_monitor_get_change (IdeBufferChangeMonitor *self,
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guint line)
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{
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g_return_val_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self), IDE_BUFFER_LINE_CHANGE_NONE);
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if G_LIKELY (IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->get_change)
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return IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->get_change (self, line);
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else
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return IDE_BUFFER_LINE_CHANGE_NONE;
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}
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static void
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ide_buffer_change_monitor_set_buffer (IdeBufferChangeMonitor *self,
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IdeBuffer *buffer)
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{
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IdeBufferChangeMonitorPrivate *priv = ide_buffer_change_monitor_get_instance_private (self);
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g_return_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self));
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g_return_if_fail (IDE_IS_BUFFER (buffer));
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priv->buffer = g_object_ref (buffer);
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if (IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->load)
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IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->load (self, buffer);
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}
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void
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ide_buffer_change_monitor_emit_changed (IdeBufferChangeMonitor *self)
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{
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IdeBufferChangeMonitorPrivate *priv = ide_buffer_change_monitor_get_instance_private (self);
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g_return_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self));
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g_signal_emit (self, signals [CHANGED], 0);
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if (priv->buffer)
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_ide_buffer_line_flags_changed (priv->buffer);
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}
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static void
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ide_buffer_change_monitor_destroy (IdeObject *object)
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{
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IdeBufferChangeMonitor *self = (IdeBufferChangeMonitor *)object;
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IdeBufferChangeMonitorPrivate *priv = ide_buffer_change_monitor_get_instance_private (self);
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g_assert (IDE_IS_MAIN_THREAD ());
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g_assert (IDE_IS_BUFFER_CHANGE_MONITOR (self));
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g_clear_object (&priv->buffer);
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IDE_OBJECT_CLASS (ide_buffer_change_monitor_parent_class)->destroy (object);
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}
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static void
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ide_buffer_change_monitor_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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IdeBufferChangeMonitor *self = IDE_BUFFER_CHANGE_MONITOR (object);
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switch (prop_id)
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{
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case PROP_BUFFER:
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g_value_set_object (value, ide_buffer_change_monitor_get_buffer (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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ide_buffer_change_monitor_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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IdeBufferChangeMonitor *self = IDE_BUFFER_CHANGE_MONITOR (object);
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switch (prop_id)
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{
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case PROP_BUFFER:
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ide_buffer_change_monitor_set_buffer (self, g_value_get_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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ide_buffer_change_monitor_class_init (IdeBufferChangeMonitorClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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IdeObjectClass *i_object_class = IDE_OBJECT_CLASS (klass);
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object_class->get_property = ide_buffer_change_monitor_get_property;
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object_class->set_property = ide_buffer_change_monitor_set_property;
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i_object_class->destroy = ide_buffer_change_monitor_destroy;
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properties [PROP_BUFFER] =
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g_param_spec_object ("buffer",
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"Buffer",
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"The IdeBuffer to be monitored.",
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IDE_TYPE_BUFFER,
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(G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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signals [CHANGED] = g_signal_new ("changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL, NULL,
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G_TYPE_NONE,
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0);
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}
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static void
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ide_buffer_change_monitor_init (IdeBufferChangeMonitor *self)
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{
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}
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void
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ide_buffer_change_monitor_reload (IdeBufferChangeMonitor *self)
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{
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g_return_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self));
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if (IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->reload)
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IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->reload (self);
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}
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/**
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* ide_buffer_change_monitor_foreach_change:
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* @self: a #IdeBufferChangeMonitor
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* @line_begin: the starting line
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* @line_end: the end line
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* @callback: (scope call): a callback
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* @user_data: user data for @callback
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*
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* Calls @callback for every line between @line_begin and @line_end that have
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* an addition, deletion, or change.
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*
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* Since: 3.32
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*/
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void
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ide_buffer_change_monitor_foreach_change (IdeBufferChangeMonitor *self,
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guint line_begin,
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guint line_end,
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IdeBufferChangeMonitorForeachFunc callback,
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gpointer user_data)
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{
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g_return_if_fail (IDE_IS_MAIN_THREAD ());
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g_return_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self));
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g_return_if_fail (callback != NULL);
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if (IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->foreach_change)
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IDE_BUFFER_CHANGE_MONITOR_GET_CLASS (self)->foreach_change (self, line_begin, line_end, callback, user_data);
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}
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/**
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* ide_buffer_change_monitor_get_buffer:
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* @self: a #IdeBufferChangeMonitor
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*
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* Gets the #IdeBufferChangeMonitor:buffer property.
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*
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* Returns: (transfer none): an #IdeBuffer
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*
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* Since: 3.32
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*/
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IdeBuffer *
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ide_buffer_change_monitor_get_buffer (IdeBufferChangeMonitor *self)
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{
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IdeBufferChangeMonitorPrivate *priv = ide_buffer_change_monitor_get_instance_private (self);
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g_return_val_if_fail (IDE_IS_BUFFER_CHANGE_MONITOR (self), NULL);
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return priv->buffer;
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}
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