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callgraph: allow going backward with alt+left arrow

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Sometimes its really annoying to dive into a descendant and then want to
go back to where you were. This uses alt+left arrow to go back to the
previous node. It doesn't, however, re-expand the tree to the previous
state.
This commit is contained in:
Christian Hergert
2016-04-13 06:31:30 -07:00
parent 6e55454185
commit 172a1b772d
2 changed files with 46 additions and 0 deletions
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42
lib/sp-callgraph-view.c
View File

@ -51,6 +51,8 @@ typedef struct
GtkTreeView *descendants_view;
GtkTreeViewColumn *descendants_name_column;
GQueue *history;
guint profile_size;
} SpCallgraphViewPrivate;
@ -62,6 +64,11 @@ enum {
N_PROPS
};
enum {
GO_PREVIOUS,
N_SIGNALS
};
enum {
COLUMN_NAME,
COLUMN_SELF,
@ -74,6 +81,7 @@ static void sp_callgraph_view_update_descendants (SpCallgraphView *self,
StackNode *node);
static GParamSpec *properties [N_PROPS];
static guint signals [N_SIGNALS];
static guint
sp_callgraph_view_get_profile_size (SpCallgraphView *self)
@ -201,6 +209,7 @@ sp_callgraph_view_unload (SpCallgraphView *self)
g_assert (SP_IS_CALLGRAPH_VIEW (self));
g_assert (SP_IS_CALLGRAPH_PROFILE (priv->profile));
g_queue_clear (priv->history);
g_clear_object (&priv->profile);
priv->profile_size = 0;
}
@ -592,12 +601,27 @@ sp_callgraph_view_tag_data_func (GtkTreeViewColumn *column,
g_object_set (cell, "text", str, NULL);
}
static void
sp_callgraph_view_real_go_previous (SpCallgraphView *self)
{
SpCallgraphViewPrivate *priv = sp_callgraph_view_get_instance_private (self);
StackNode *node;
g_assert (SP_IS_CALLGRAPH_VIEW (self));
node = g_queue_pop_head (priv->history);
if (NULL != (node = g_queue_peek_head (priv->history)))
sp_callgraph_view_set_node (self, node);
}
static void
sp_callgraph_view_finalize (GObject *object)
{
SpCallgraphView *self = (SpCallgraphView *)object;
SpCallgraphViewPrivate *priv = sp_callgraph_view_get_instance_private (self);
g_clear_pointer (&priv->history, g_queue_free);
g_clear_object (&priv->profile);
G_OBJECT_CLASS (sp_callgraph_view_parent_class)->finalize (object);
@ -647,11 +671,14 @@ sp_callgraph_view_class_init (SpCallgraphViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkBindingSet *bindings;
object_class->finalize = sp_callgraph_view_finalize;
object_class->get_property = sp_callgraph_view_get_property;
object_class->set_property = sp_callgraph_view_set_property;
klass->go_previous = sp_callgraph_view_real_go_previous;
properties [PROP_PROFILE] =
g_param_spec_object ("profile",
"Profile",
@ -661,6 +688,13 @@ sp_callgraph_view_class_init (SpCallgraphViewClass *klass)
g_object_class_install_properties (object_class, N_PROPS, properties);
signals [GO_PREVIOUS] =
g_signal_new ("go-previous",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
G_STRUCT_OFFSET (SpCallgraphViewClass, go_previous),
NULL, NULL, NULL, G_TYPE_NONE, 0);
gtk_widget_class_set_template_from_resource (widget_class,
"/org/gnome/sysprof/ui/sp-callgraph-view.ui");
@ -668,6 +702,9 @@ sp_callgraph_view_class_init (SpCallgraphViewClass *klass)
gtk_widget_class_bind_template_child_private (widget_class, SpCallgraphView, functions_view);
gtk_widget_class_bind_template_child_private (widget_class, SpCallgraphView, descendants_view);
gtk_widget_class_bind_template_child_private (widget_class, SpCallgraphView, descendants_name_column);
bindings = gtk_binding_set_by_class (klass);
gtk_binding_entry_add_signal (bindings, GDK_KEY_Left, GDK_MOD1_MASK, "go-previous", 0);
}
static void
@ -677,6 +714,8 @@ sp_callgraph_view_init (SpCallgraphView *self)
GtkTreeSelection *selection;
GtkCellRenderer *cell;
priv->history = g_queue_new ();
gtk_widget_init_template (GTK_WIDGET (self));
selection = gtk_tree_view_get_selection (priv->functions_view);
@ -851,6 +890,9 @@ sp_callgraph_view_update_descendants (SpCallgraphView *self,
g_assert (SP_IS_CALLGRAPH_VIEW (self));
if (g_queue_peek_head (priv->history) != node)
g_queue_push_head (priv->history, node);
store = gtk_tree_store_new (4,
G_TYPE_STRING,
G_TYPE_DOUBLE,

4
lib/sp-callgraph-view.h
View File

@ -32,6 +32,10 @@ G_DECLARE_DERIVABLE_TYPE (SpCallgraphView, sp_callgraph_view, SP, CALLGRAPH_VIEW
struct _SpCallgraphViewClass
{
GtkBinClass parent_class;
void (*go_previous) (SpCallgraphView *self);
gpointer padding[8];
};
GtkWidget *sp_callgraph_view_new (void);