Moved from Mate-Extra repository

1 files changed, 493 insertions, 0 deletions

diff --git a/logview/logview-loglist.c b/logview/logview-loglist.c
new file mode 100644
index 00000000..5f879027
--- /dev/null
+++ b/logview/logview-loglist.c
@@ -0,0 +1,493 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* logview-loglist.c - displays a list of the opened logs
+ *
+ * Copyright (C) 2005 Vincent Noel <[email protected]>
+ * Copyright (C) 2008 Cosimo Cecchi <[email protected]>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+
+#include "logview-manager.h"
+#include "logview-log.h"
+#include "logview-utils.h"
+
+#include "logview-loglist.h"
+
+struct _LogviewLoglistPrivate {
+  GtkTreeStore *model;
+  LogviewManager *manager;
+  GtkTreePath *selection;
+  gboolean has_day_selection;
+};
+
+G_DEFINE_TYPE (LogviewLoglist, logview_loglist, GTK_TYPE_TREE_VIEW);
+
+#define GET_PRIVATE(o)  \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), LOGVIEW_TYPE_LOGLIST, LogviewLoglistPrivate))
+
+enum {
+  LOG_OBJECT = 0,
+  LOG_NAME,
+  LOG_WEIGHT,
+  LOG_WEIGHT_SET,
+  LOG_DAY
+};
+
+enum {
+  DAY_SELECTED,
+  DAY_CLEARED,
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+static void
+save_day_selection (LogviewLoglist *loglist, GtkTreeIter *iter)
+{
+  if (loglist->priv->selection) {
+    gtk_tree_path_free (loglist->priv->selection);
+  }
+
+  loglist->priv->selection = gtk_tree_model_get_path
+    (GTK_TREE_MODEL (loglist->priv->model), iter);
+}
+
+static void
+update_days_and_lines_for_log (LogviewLoglist *loglist,
+                               GtkTreeIter *log, GSList *days)
+{
+  gboolean res;
+  GtkTreeIter iter, dummy;
+  GSList *l;
+  int i;
+  char date[200];
+  Day *day;
+
+  /* if we have some days, we can't remove all the items immediately, otherwise,
+   * if the row is expanded, it will be collapsed because there are no items,
+   * so we create a dummy entry, remove all the others and then remove the
+   * dummy one.
+   */
+  res = gtk_tree_model_iter_children (GTK_TREE_MODEL (loglist->priv->model),
+                                      &iter, log);
+  if (res) {
+    gtk_tree_store_insert_before (loglist->priv->model, &dummy, log, &iter);
+    gtk_tree_store_set (loglist->priv->model, &dummy,
+                        LOG_NAME, "", -1);
+    do {
+      gtk_tree_store_remove (loglist->priv->model, &iter);
+    } while (gtk_tree_store_iter_is_valid (loglist->priv->model, &iter));
+  }
+
+  for (i = 1, l = days; l; l = l->next) {
+    /* now insert all the days */
+    day = l->data;
+
+    g_date_strftime (date, 200, "%A, %e %b", day->date);
+
+    gtk_tree_store_insert (GTK_TREE_STORE (loglist->priv->model),
+                           &iter, log, i);
+    gtk_tree_store_set (GTK_TREE_STORE (loglist->priv->model),
+                        &iter, LOG_NAME, date, LOG_DAY, day, -1);
+    i++;
+  }
+
+  if (res) {
+    gtk_tree_store_remove (loglist->priv->model, &dummy);
+  }
+}
+
+static GtkTreeIter *
+logview_loglist_find_log (LogviewLoglist *list, LogviewLog *log)
+{
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+  GtkTreeIter *retval = NULL;
+  LogviewLog *current;
+
+  model = GTK_TREE_MODEL (list->priv->model);
+
+  if (!gtk_tree_model_get_iter_first (model, &iter)) {
+    return NULL;
+  }
+
+  do {
+    gtk_tree_model_get (model, &iter, LOG_OBJECT, &current, -1);
+    if (current == log) {
+      retval = gtk_tree_iter_copy (&iter);
+    }
+    g_object_unref (current);
+  } while (gtk_tree_model_iter_next (model, &iter) != FALSE && retval == NULL);
+
+  return retval;
+}
+
+static void
+log_changed_cb (LogviewLog *log,
+                gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  LogviewLog *active;
+  GtkTreeIter *iter;
+
+  active = logview_manager_get_active_log (list->priv->manager);
+
+  if (log == active) {
+    g_object_unref (active);
+    return;
+  }
+
+  iter = logview_loglist_find_log (list, log);
+
+  if (!iter) {
+    return;
+  }
+
+  /* make the log bold in the list */
+  gtk_tree_store_set (list->priv->model, iter,
+                      LOG_WEIGHT, PANGO_WEIGHT_BOLD,
+                      LOG_WEIGHT_SET, TRUE, -1);
+
+  gtk_tree_iter_free (iter);
+}
+
+
+static void
+tree_selection_changed_cb (GtkTreeSelection *selection,
+                           gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  GtkTreeModel *model;
+  GtkTreeIter iter, parent;
+  LogviewLog *log;
+  gboolean is_bold, is_active;
+  Day *day;
+
+  if (!gtk_tree_selection_get_selected (selection, &model, &iter)) {
+      return;
+  }
+
+  gtk_tree_model_get (model, &iter, LOG_OBJECT, &log,
+                      LOG_WEIGHT_SET, &is_bold,
+                      LOG_DAY, &day, -1);
+  if (log) {
+    is_active = logview_manager_log_is_active (list->priv->manager, log);
+
+    if (is_active && list->priv->has_day_selection) {
+      list->priv->has_day_selection = FALSE;
+      g_signal_emit (list, signals[DAY_CLEARED], 0, NULL);
+    } else if (!is_active) {
+      logview_manager_set_active_log (list->priv->manager, log);
+    }
+  } else if (day) {
+    list->priv->has_day_selection = TRUE;
+    gtk_tree_model_iter_parent (model, &parent, &iter);
+    gtk_tree_model_get (model, &parent, LOG_OBJECT, &log, -1);
+
+    if (!logview_manager_log_is_active (list->priv->manager, log)) {
+      save_day_selection (list, &iter);      
+      logview_manager_set_active_log (list->priv->manager, log);
+    } else {
+      g_signal_emit (list, signals[DAY_SELECTED], 0, day, NULL);
+    }
+  }
+
+  if (is_bold) {
+    gtk_tree_store_set (GTK_TREE_STORE (model), &iter,
+                        LOG_WEIGHT_SET, FALSE, -1);
+  }
+
+  if (log) {
+    g_object_unref (log);
+  }
+}
+
+static void
+manager_active_changed_cb (LogviewManager *manager,
+                           LogviewLog *log,
+                           LogviewLog *old_log,
+                           gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  GtkTreeIter * iter, sel_iter;
+  GtkTreeSelection * selection;
+
+  if (list->priv->selection && 
+      gtk_tree_model_get_iter (GTK_TREE_MODEL (list->priv->model),
+                               &sel_iter, list->priv->selection))
+  {
+    Day *day;
+
+    iter = gtk_tree_iter_copy (&sel_iter);
+
+    gtk_tree_model_get (GTK_TREE_MODEL (list->priv->model), iter,
+                        LOG_DAY, &day, -1);
+
+    if (day) {
+      g_signal_emit (list, signals[DAY_SELECTED], 0, day, NULL);
+    }
+
+    gtk_tree_path_free (list->priv->selection);
+    list->priv->selection = NULL;
+  } else {
+    iter = logview_loglist_find_log (list, log);
+  }
+
+  if (!iter) {
+    return;
+  }
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list));
+  g_signal_handlers_block_by_func (selection, tree_selection_changed_cb, list);
+
+  gtk_tree_selection_select_iter (selection, iter);
+
+  g_signal_handlers_unblock_by_func (selection, tree_selection_changed_cb, list);
+  gtk_tree_iter_free (iter);
+}
+
+static void
+manager_log_closed_cb (LogviewManager *manager,
+                       LogviewLog *log,
+                       gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  GtkTreeIter *iter;
+  gboolean res;
+
+  iter = logview_loglist_find_log (list, log);
+
+  if (!iter) {
+    return;
+  }
+
+  g_signal_handlers_disconnect_by_func (log, log_changed_cb, list);
+
+  res = gtk_tree_store_remove (list->priv->model, iter);
+  if (res) {
+    GtkTreeSelection *selection;
+
+    /* iter now points to the next valid row */
+    selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list));
+    gtk_tree_selection_select_iter (selection, iter);
+  } else {
+    /* FIXME: what shall we do here? */
+  }
+
+  gtk_tree_iter_free (iter);
+}
+
+static void
+manager_log_added_cb (LogviewManager *manager,
+                      LogviewLog *log,
+                      gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  GtkTreeIter iter, child;
+
+  gtk_tree_store_append (list->priv->model, &iter, NULL);
+  gtk_tree_store_set (list->priv->model, &iter,
+                      LOG_OBJECT, g_object_ref (log),
+                      LOG_NAME, logview_log_get_display_name (log), -1);
+  if (logview_log_get_has_days (log)) {
+    gtk_tree_store_insert (list->priv->model,
+                           &child, &iter, 0);
+    gtk_tree_store_set (list->priv->model, &child,
+                        LOG_NAME, _("Loading..."), -1);
+  }
+
+  g_signal_connect (log, "log-changed",
+                    G_CALLBACK (log_changed_cb), list);
+}
+
+static void
+row_expanded_cb (GtkTreeView *view,
+                 GtkTreeIter *iter,
+                 GtkTreePath *path,
+                 gpointer user_data)
+{
+  LogviewLoglist *list = user_data;
+  LogviewLog *log;
+
+  gtk_tree_model_get (GTK_TREE_MODEL (list->priv->model), iter,
+                      LOG_OBJECT, &log, -1);
+  if (!logview_manager_log_is_active (list->priv->manager, log)) {
+    logview_manager_set_active_log (list->priv->manager, log);
+  }
+
+  g_object_unref (log);
+}
+
+static int
+loglist_sort_func (GtkTreeModel *model,
+                   GtkTreeIter *a,
+                   GtkTreeIter *b,
+                   gpointer user_data)
+{
+  char *name_a, *name_b;
+  Day *day_a, *day_b;
+  int retval = 0;
+
+  switch (gtk_tree_store_iter_depth (GTK_TREE_STORE (model), a)) {
+    case 0:
+      gtk_tree_model_get (model, a, LOG_NAME, &name_a, -1);
+      gtk_tree_model_get (model, b, LOG_NAME, &name_b, -1);
+      retval = g_strcmp0 (name_a, name_b);
+      g_free (name_a);
+      g_free (name_b);
+
+      break;
+    case 1:
+      gtk_tree_model_get (model, a, LOG_DAY, &day_a, -1);
+      gtk_tree_model_get (model, b, LOG_DAY, &day_b, -1);
+      if (day_a && day_b) {
+        retval = days_compare (day_a, day_b);
+      } else {
+        retval = 0;
+      }
+
+      break;
+    default:
+      g_assert_not_reached ();
+
+      break;
+  }
+
+  return retval;
+}
+
+static void
+do_finalize (GObject *obj)
+{
+  LogviewLoglist *list = LOGVIEW_LOGLIST (obj);
+
+  g_object_unref (list->priv->model);
+  list->priv->model = NULL;
+
+  if (list->priv->selection) {
+    gtk_tree_path_free (list->priv->selection);
+    list->priv->selection = NULL;
+  }
+
+  G_OBJECT_CLASS (logview_loglist_parent_class)->finalize (obj);
+}
+
+static void 
+logview_loglist_init (LogviewLoglist *list)
+{
+  GtkTreeStore *model;
+  GtkTreeViewColumn *column;
+  GtkTreeSelection *selection;
+  GtkCellRenderer *cell;
+
+  list->priv = GET_PRIVATE (list);
+  list->priv->has_day_selection = FALSE;
+  list->priv->selection = NULL;
+
+  model = gtk_tree_store_new (5, LOGVIEW_TYPE_LOG, G_TYPE_STRING, G_TYPE_INT,
+                              G_TYPE_BOOLEAN, G_TYPE_POINTER);
+  gtk_tree_view_set_model (GTK_TREE_VIEW (list), GTK_TREE_MODEL (model));
+  list->priv->model = model;
+  gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (list), FALSE);
+
+  selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list));
+  gtk_tree_selection_set_mode (selection, GTK_SELECTION_BROWSE);
+  g_signal_connect (selection, "changed",
+                    G_CALLBACK (tree_selection_changed_cb), list);
+
+  cell = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new ();
+  gtk_tree_view_column_pack_start (column, cell, TRUE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "text", LOG_NAME,
+                                       "weight-set", LOG_WEIGHT_SET,
+                                       "weight", LOG_WEIGHT,
+                                       NULL);
+
+  gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (list->priv->model), LOG_NAME, GTK_SORT_ASCENDING);
+  gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (list->priv->model),
+                                   LOG_NAME,
+                                   (GtkTreeIterCompareFunc) loglist_sort_func,
+                                   list, NULL);
+  gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);
+  gtk_tree_view_set_search_column (GTK_TREE_VIEW (list), -1);
+
+  list->priv->manager = logview_manager_get ();
+
+  g_signal_connect (list->priv->manager, "log-added",
+                    G_CALLBACK (manager_log_added_cb), list);
+  g_signal_connect (list->priv->manager, "log-closed",
+                    G_CALLBACK (manager_log_closed_cb), list);
+  g_signal_connect_after (list->priv->manager, "active-changed",
+                          G_CALLBACK (manager_active_changed_cb), list);
+  g_signal_connect (list, "row-expanded",
+                    G_CALLBACK (row_expanded_cb), list);
+}
+
+static void
+logview_loglist_class_init (LogviewLoglistClass *klass)
+{
+  GObjectClass *oclass = G_OBJECT_CLASS (klass);
+  oclass->finalize = do_finalize;
+
+  signals[DAY_SELECTED] = g_signal_new ("day-selected",
+                                        G_OBJECT_CLASS_TYPE (oclass),
+                                        G_SIGNAL_RUN_LAST,
+                                        G_STRUCT_OFFSET (LogviewLoglistClass, day_selected),
+                                        NULL, NULL,
+                                        g_cclosure_marshal_VOID__POINTER,
+                                        G_TYPE_NONE, 1,
+                                        G_TYPE_POINTER);
+
+  signals[DAY_CLEARED] = g_signal_new ("day-cleared",
+                                       G_OBJECT_CLASS_TYPE (oclass),
+                                       G_SIGNAL_RUN_LAST,
+                                       G_STRUCT_OFFSET (LogviewLoglistClass, day_cleared),
+                                       NULL, NULL,
+                                       g_cclosure_marshal_VOID__VOID,
+                                       G_TYPE_NONE, 0);
+
+  g_type_class_add_private (klass, sizeof (LogviewLoglistPrivate));
+}
+
+/* public methods */
+
+GtkWidget *
+logview_loglist_new (void)
+{
+  GtkWidget *widget;
+  widget = g_object_new (LOGVIEW_TYPE_LOGLIST, NULL);
+  return widget;
+}
+
+void
+logview_loglist_update_lines (LogviewLoglist *loglist, LogviewLog *log)
+{
+  GSList *days;
+  GtkTreeIter *parent;
+
+  g_assert (LOGVIEW_IS_LOGLIST (loglist));
+  g_assert (LOGVIEW_IS_LOG (log));
+
+  days = logview_log_get_days_for_cached_lines (log);
+  parent = logview_loglist_find_log (loglist, log);
+  update_days_and_lines_for_log (loglist, parent, days);
+
+  gtk_tree_iter_free (parent);
+}
+