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https://github.com/varun-r-mallya/sysprof.git
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libsysprof-gtk: start on GTK widgetry library
This is ultimately to replace libsysprof-ui, and will focus on the display of capture files. Recording will be left to the sysprof application in terms of UI, and other applications like IDEs will use the libsysprof-profile API directly along with libsysprof-gtk for visualizing.
This commit is contained in:
Christian Hergert
375
src/libsysprof-gtk/sysprof-callgraph-view.c
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375
src/libsysprof-gtk/sysprof-callgraph-view.c
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/* sysprof-callgraph-view.c
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*
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* Copyright 2023 Christian Hergert <chergert@redhat.com>
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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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#include "config.h"
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#include "libsysprof-gtk-resources.h"
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#include "sysprof-callgraph-view-private.h"
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enum {
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PROP_0,
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PROP_DOCUMENT,
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PROP_TRACEABLES,
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N_PROPS
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};
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G_DEFINE_ABSTRACT_TYPE (SysprofCallgraphView, sysprof_callgraph_view, GTK_TYPE_WIDGET)
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static GParamSpec *properties [N_PROPS];
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static gboolean
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sysprof_callgraph_view_key_pressed_cb (GtkTreeExpander *expander,
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guint keyval,
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guint keycode,
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GdkModifierType state,
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GtkEventControllerKey *controller)
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{
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GtkTreeListRow *row;
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g_assert (GTK_IS_TREE_EXPANDER (expander));
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g_assert (GTK_IS_EVENT_CONTROLLER_KEY (controller));
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row = gtk_tree_expander_get_list_row (expander);
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if (keyval == GDK_KEY_space)
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gtk_tree_list_row_set_expanded (row, !gtk_tree_list_row_get_expanded (row));
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else if (keyval == GDK_KEY_Right)
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gtk_tree_list_row_set_expanded (row, TRUE);
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else if (keyval == GDK_KEY_Left)
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gtk_tree_list_row_set_expanded (row, FALSE);
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else
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return FALSE;
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return TRUE;
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}
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static void
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sysprof_callgraph_view_dispose (GObject *object)
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{
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SysprofCallgraphView *self = (SysprofCallgraphView *)object;
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g_clear_handle_id (&self->reload_source, g_source_remove);
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g_clear_pointer ((GtkWidget **)&self->scrolled_window, gtk_widget_unparent);
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g_cancellable_cancel (self->cancellable);
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g_clear_object (&self->cancellable);
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g_clear_object (&self->document);
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g_clear_object (&self->traceables);
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G_OBJECT_CLASS (sysprof_callgraph_view_parent_class)->dispose (object);
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}
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static void
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sysprof_callgraph_view_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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SysprofCallgraphView *self = SYSPROF_CALLGRAPH_VIEW (object);
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switch (prop_id)
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{
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case PROP_DOCUMENT:
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g_value_set_object (value, sysprof_callgraph_view_get_document (self));
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break;
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case PROP_TRACEABLES:
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g_value_set_object (value, sysprof_callgraph_view_get_traceables (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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sysprof_callgraph_view_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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SysprofCallgraphView *self = SYSPROF_CALLGRAPH_VIEW (object);
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switch (prop_id)
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{
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case PROP_DOCUMENT:
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sysprof_callgraph_view_set_document (self, g_value_get_object (value));
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break;
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case PROP_TRACEABLES:
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sysprof_callgraph_view_set_traceables (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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sysprof_callgraph_view_class_init (SysprofCallgraphViewClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->dispose = sysprof_callgraph_view_dispose;
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object_class->get_property = sysprof_callgraph_view_get_property;
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object_class->set_property = sysprof_callgraph_view_set_property;
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properties[PROP_DOCUMENT] =
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g_param_spec_object ("document", NULL, NULL,
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SYSPROF_TYPE_DOCUMENT,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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properties[PROP_TRACEABLES] =
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g_param_spec_object ("traceables", NULL, NULL,
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G_TYPE_LIST_MODEL,
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(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_properties (object_class, N_PROPS, properties);
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gtk_widget_class_set_template_from_resource (widget_class, "/libsysprof-gtk/sysprof-callgraph-view.ui");
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gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
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gtk_widget_class_bind_template_child (widget_class, SysprofCallgraphView, column_view);
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gtk_widget_class_bind_template_child (widget_class, SysprofCallgraphView, scrolled_window);
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gtk_widget_class_bind_template_callback (widget_class, sysprof_callgraph_view_key_pressed_cb);
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klass->augment_size = GLIB_SIZEOF_VOID_P;
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g_resources_register (libsysprof_gtk_get_resource ());
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}
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static void
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sysprof_callgraph_view_init (SysprofCallgraphView *self)
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{
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gtk_widget_init_template (GTK_WIDGET (self));
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}
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static GListModel *
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sysprof_callgraph_view_create_model_func (gpointer item,
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gpointer user_data)
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{
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if (g_list_model_get_n_items (G_LIST_MODEL (item)) > 0)
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return g_object_ref (G_LIST_MODEL (item));
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return NULL;
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}
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static void
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sysprof_callgraph_view_reload_cb (GObject *object,
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GAsyncResult *result,
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gpointer user_data)
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{
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SysprofDocument *document = (SysprofDocument *)object;
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g_autoptr(SysprofCallgraphView) self = user_data;
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g_autoptr(SysprofCallgraph) callgraph = NULL;
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g_autoptr(GtkTreeListRowSorter) sorter = NULL;
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g_autoptr(GtkMultiSelection) model = NULL;
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g_autoptr(GtkSortListModel) sort_model = NULL;
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g_autoptr(GtkTreeListModel) tree = NULL;
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g_autoptr(GError) error = NULL;
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GtkSorter *column_sorter;
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g_assert (SYSPROF_IS_DOCUMENT (document));
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g_assert (G_IS_ASYNC_RESULT (result));
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g_assert (SYSPROF_IS_CALLGRAPH_VIEW (self));
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if (!(callgraph = sysprof_document_callgraph_finish (document, result, &error)))
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{
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g_debug ("Failed to generate callgraph: %s", error->message);
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return;
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}
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tree = gtk_tree_list_model_new (g_object_ref (G_LIST_MODEL (callgraph)),
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FALSE,
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FALSE,
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sysprof_callgraph_view_create_model_func,
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NULL,
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NULL);
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column_sorter = gtk_column_view_get_sorter (self->column_view);
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sorter = gtk_tree_list_row_sorter_new (g_object_ref (column_sorter));
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sort_model = gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (tree)),
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g_object_ref (GTK_SORTER (sorter)));
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model = gtk_multi_selection_new (g_object_ref (G_LIST_MODEL (sort_model)));
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gtk_column_view_set_model (self->column_view, GTK_SELECTION_MODEL (model));
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}
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static gboolean
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sysprof_callgraph_view_reload (SysprofCallgraphView *self)
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{
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g_assert (SYSPROF_IS_CALLGRAPH_VIEW (self));
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g_clear_handle_id (&self->reload_source, g_source_remove);
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sysprof_document_callgraph_async (self->document,
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self->traceables,
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SYSPROF_CALLGRAPH_VIEW_GET_CLASS (self)->augment_size,
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SYSPROF_CALLGRAPH_VIEW_GET_CLASS (self)->augment_func,
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NULL,
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NULL,
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self->cancellable,
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sysprof_callgraph_view_reload_cb,
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g_object_ref (self));
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return G_SOURCE_REMOVE;
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}
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static void
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sysprof_callgraph_view_queue_reload (SysprofCallgraphView *self)
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{
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g_assert (SYSPROF_IS_CALLGRAPH_VIEW (self));
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gtk_column_view_set_model (self->column_view, NULL);
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g_clear_handle_id (&self->reload_source, g_source_remove);
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g_cancellable_cancel (self->cancellable);
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g_clear_object (&self->cancellable);
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self->cancellable = g_cancellable_new ();
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if (self->document != NULL && self->traceables != NULL)
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self->reload_source = g_idle_add_full (G_PRIORITY_LOW,
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(GSourceFunc)sysprof_callgraph_view_reload,
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g_object_ref (self),
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g_object_unref);
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}
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/**
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* sysprof_callgraph_view_get_document:
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* @self: a #SysprofCallgraphView
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*
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* Gets the document for the callgraph.
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*
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* Returns: (transfer none) (nullable): a #SysprofDocument or %NULL
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*/
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SysprofDocument *
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sysprof_callgraph_view_get_document (SysprofCallgraphView *self)
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{
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g_return_val_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self), NULL);
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return self->document;
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}
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void
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sysprof_callgraph_view_set_document (SysprofCallgraphView *self,
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SysprofDocument *document)
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{
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g_return_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self));
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if (g_set_object (&self->document, document))
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{
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sysprof_callgraph_view_queue_reload (self);
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DOCUMENT]);
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}
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}
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/**
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* sysprof_callgraph_view_get_traceables:
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* @self: a #SysprofCallgraphView
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*
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* Gets the list of traceables to be displayed.
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*
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* Returns: (transfer none) (nullable): a #GListModel or %NULL
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*/
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GListModel *
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sysprof_callgraph_view_get_traceables (SysprofCallgraphView *self)
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{
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g_return_val_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self), NULL);
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return self->traceables;
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}
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void
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sysprof_callgraph_view_set_traceables (SysprofCallgraphView *self,
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GListModel *traceables)
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{
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g_return_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self));
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g_return_if_fail (!traceables || G_IS_LIST_MODEL (traceables));
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if (g_set_object (&self->traceables, traceables))
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{
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sysprof_callgraph_view_queue_reload (self);
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g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TRACEABLES]);
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}
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}
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#if 0
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/**
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* sysprof_callgraph_view_get_callgraph:
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* @self: a #SysprofCallgraphView
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*
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* Gets the #SysprofCallgraph for the view.
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*
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* Returns: (transfer none) (nullable): a #SysprofCallgraph or %NULL
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*/
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SysprofCallgraph *
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sysprof_callgraph_view_get_callgraph (SysprofCallgraphView *self)
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{
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g_return_val_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self), NULL);
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return self->callgraph;
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}
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/**
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* sysprof_callgraph_view_set_callgraph:
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* @self: a #SysprofCallgraphView
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* @callgraph: the #SysprofCallgraph
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*
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* Sets the callgraph for the view.
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*/
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void
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sysprof_callgraph_view_set_callgraph (SysprofCallgraphView *self,
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SysprofCallgraph *callgraph)
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{
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g_return_if_fail (SYSPROF_IS_CALLGRAPH_VIEW (self));
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g_return_if_fail (SYSPROF_IS_CALLGRAPH (callgraph));
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if (g_set_object (&self->callgraph, callgraph))
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{
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g_autoptr(GtkMultiSelection) model = NULL;
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if (callgraph != NULL)
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{
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g_autoptr(GtkTreeListRowSorter) sorter = NULL;
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g_autoptr(GtkSortListModel) sort_model = NULL;
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g_autoptr(GtkTreeListModel) tree = NULL;
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GtkSorter *column_sorter;
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tree = gtk_tree_list_model_new (g_object_ref (G_LIST_MODEL (callgraph)),
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FALSE,
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FALSE,
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sysprof_callgraph_view_create_model_func,
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NULL,
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NULL);
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column_sorter = gtk_column_view_get_sorter (self->column_view);
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sorter = gtk_tree_list_row_sorter_new (g_object_ref (column_sorter));
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sort_model = gtk_sort_list_model_new (g_object_ref (G_LIST_MODEL (tree)), g_object_ref (GTK_SORTER (sorter)));
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model = gtk_multi_selection_new (g_object_ref (G_LIST_MODEL (sort_model)));
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}
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gtk_column_view_set_model (self->column_view, GTK_SELECTION_MODEL (model));
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g_object_notify_by_pspec (G_OBJECT (callgraph), properties[PROP_CALLGRAPH]);
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}
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}
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#endif
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