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libsysprof-gtk: filter items using expression for time

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That way we don't require a DocumentFrame.
This commit is contained in:
Christian Hergert
2023-07-14 17:09:07 -07:00
parent 7b3b37c28e
commit 5e958d9026
2 changed files with 106 additions and 42 deletions
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129
src/libsysprof-gtk/sysprof-time-filter-model.c
View File

@ -27,12 +27,14 @@
struct _SysprofTimeFilterModel
{
GObject parent_instance;
GtkExpression *expression;
GtkSliceListModel *slice;
SysprofTimeSpan time_span;
};
enum {
PROP_0,
PROP_EXPRESSION,
PROP_MODEL,
PROP_TIME_SPAN,
N_PROPS
@ -70,12 +72,24 @@ G_DEFINE_FINAL_TYPE_WITH_CODE (SysprofTimeFilterModel, sysprof_time_filter_model
static GParamSpec *properties [N_PROPS];
static inline gint64
get_item_time (SysprofTimeFilterModel *self,
GObject *item)
{
g_auto(GValue) value = G_VALUE_INIT;
g_value_init (&value, G_TYPE_INT64);
gtk_expression_evaluate (self->expression, item, &value);
return g_value_get_int64 (&value);
}
static void
sysprof_time_filter_model_finalize (GObject *object)
{
SysprofTimeFilterModel *self = (SysprofTimeFilterModel *)object;
g_clear_object (&self->slice);
g_clear_pointer (&self->expression, gtk_expression_unref);
G_OBJECT_CLASS (sysprof_time_filter_model_parent_class)->finalize (object);
}
@ -90,6 +104,10 @@ sysprof_time_filter_model_get_property (GObject *object,
switch (prop_id)
{
case PROP_EXPRESSION:
gtk_value_set_expression (value, sysprof_time_filter_model_get_expression (self));
break;
case PROP_MODEL:
g_value_set_object (value, sysprof_time_filter_model_get_model (self));
break;
@ -113,6 +131,10 @@ sysprof_time_filter_model_set_property (GObject *object,
switch (prop_id)
{
case PROP_EXPRESSION:
sysprof_time_filter_model_set_expression (self, gtk_value_get_expression (value));
break;
case PROP_MODEL:
sysprof_time_filter_model_set_model (self, g_value_get_object (value));
break;
@ -135,6 +157,10 @@ sysprof_time_filter_model_class_init (SysprofTimeFilterModelClass *klass)
object_class->get_property = sysprof_time_filter_model_get_property;
object_class->set_property = sysprof_time_filter_model_set_property;
properties[PROP_EXPRESSION] =
gtk_param_spec_expression ("expression", NULL, NULL,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_MODEL] =
g_param_spec_object ("model", NULL, NULL,
G_TYPE_LIST_MODEL,
@ -151,6 +177,8 @@ sysprof_time_filter_model_class_init (SysprofTimeFilterModelClass *klass)
static void
sysprof_time_filter_model_init (SysprofTimeFilterModel *self)
{
self->expression = gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_FRAME, NULL, "time");
self->time_span.begin_nsec = G_MININT64;
self->time_span.end_nsec = G_MAXINT64;
@ -175,11 +203,12 @@ uint_order (guint *a,
}
static guint
binary_search_lte (GListModel *model,
gint64 value)
binary_search_lte (SysprofTimeFilterModel *self,
GListModel *model,
gint64 value)
{
g_autoptr(SysprofDocumentFrame) first = NULL;
g_autoptr(SysprofDocumentFrame) last = NULL;
g_autoptr(GObject) first = NULL;
g_autoptr(GObject) last = NULL;
guint lo;
guint hi;
guint n_items;
@ -191,11 +220,11 @@ binary_search_lte (GListModel *model,
first = g_list_model_get_item (model, 0);
last = g_list_model_get_item (model, n_items - 1);
if (value < sysprof_document_frame_get_time (first))
if (value < get_item_time (self, first))
return GTK_INVALID_LIST_POSITION;
else if (value == sysprof_document_frame_get_time (first))
else if (value == get_item_time (self, first))
return 0;
else if (value >= sysprof_document_frame_get_time (last))
else if (value >= get_item_time (self, last))
return n_items - 1;
g_clear_object (&first);
@ -207,11 +236,11 @@ binary_search_lte (GListModel *model,
while (lo <= hi)
{
guint mid = lo + (hi - lo) / 2;
g_autoptr(SysprofDocumentFrame) frame = g_list_model_get_item (model, mid);
g_autoptr(GObject) item = g_list_model_get_item (model, mid);
if (value < sysprof_document_frame_get_time (frame))
if (value < get_item_time (self, item))
hi = mid - 1;
else if (value > sysprof_document_frame_get_time (frame))
else if (value > get_item_time (self, item))
lo = mid + 1;
else
return mid;
@ -222,22 +251,23 @@ binary_search_lte (GListModel *model,
first = g_list_model_get_item (model, lo);
last = g_list_model_get_item (model, hi);
if (value < sysprof_document_frame_get_time (first))
if (value < get_item_time (self, first))
return lo - 1;
else if (value > sysprof_document_frame_get_time (first))
else if (value > get_item_time (self, first))
return lo;
else if (value < sysprof_document_frame_get_time (last))
else if (value < get_item_time (self, last))
return hi;
return GTK_INVALID_LIST_POSITION;
}
static guint
binary_search_gte (GListModel *model,
gint64 value)
binary_search_gte (SysprofTimeFilterModel *self,
GListModel *model,
gint64 value)
{
g_autoptr(SysprofDocumentFrame) first = NULL;
g_autoptr(SysprofDocumentFrame) last = NULL;
g_autoptr(GObject) first = NULL;
g_autoptr(GObject) last = NULL;
guint lo;
guint hi;
guint n_items;
@ -249,11 +279,11 @@ binary_search_gte (GListModel *model,
first = g_list_model_get_item (model, 0);
last = g_list_model_get_item (model, n_items - 1);
if (value <= sysprof_document_frame_get_time (first))
if (value <= get_item_time (self, first))
return 0;
else if (value == sysprof_document_frame_get_time (last))
else if (value == get_item_time (self, last))
return n_items - 1;
else if (value > sysprof_document_frame_get_time (last))
else if (value > get_item_time (self, last))
return GTK_INVALID_LIST_POSITION;
g_clear_object (&first);
@ -265,11 +295,11 @@ binary_search_gte (GListModel *model,
while (lo <= hi)
{
guint mid = lo + (hi - lo) / 2;
g_autoptr(SysprofDocumentFrame) frame = g_list_model_get_item (model, mid);
g_autoptr(GObject) item = g_list_model_get_item (model, mid);
if (value < sysprof_document_frame_get_time (frame))
if (value < get_item_time (self, item))
hi = mid - 1;
else if (value > sysprof_document_frame_get_time (frame))
else if (value > get_item_time (self, item))
lo = mid + 1;
else
return mid;
@ -280,23 +310,25 @@ binary_search_gte (GListModel *model,
first = g_list_model_get_item (model, lo);
last = g_list_model_get_item (model, hi);
if (value > sysprof_document_frame_get_time (first))
if (value > get_item_time (self, first))
return lo + 1;
else if (value < sysprof_document_frame_get_time (last))
else if (value < get_item_time (self, last))
return hi - 1;
return GTK_INVALID_LIST_POSITION;
}
static void
calculate_bounds (GListModel *model,
const SysprofTimeSpan *time_span,
guint *offset,
guint *size)
calculate_bounds (SysprofTimeFilterModel *self,
GListModel *model,
const SysprofTimeSpan *time_span,
guint *offset,
guint *size)
{
guint begin;
guint end;
g_assert (SYSPROF_IS_TIME_FILTER_MODEL (self));
g_assert (!model || G_IS_LIST_MODEL (model));
g_assert (time_span != NULL);
g_assert (offset != NULL);
@ -311,8 +343,8 @@ calculate_bounds (GListModel *model,
if (time_span->begin_nsec == G_MININT64 && time_span->end_nsec == G_MAXINT64)
return;
begin = binary_search_gte (model, time_span->begin_nsec);
end = binary_search_lte (model, time_span->end_nsec);
begin = binary_search_gte (self, model, time_span->begin_nsec);
end = binary_search_lte (self, model, time_span->end_nsec);
if (begin > end || begin == GTK_INVALID_LIST_POSITION)
return;
@ -334,7 +366,7 @@ sysprof_time_filter_model_update (SysprofTimeFilterModel *self)
model = sysprof_time_filter_model_get_model (self);
calculate_bounds (model, &self->time_span, &offset, &size);
calculate_bounds (self, model, &self->time_span, &offset, &size);
gtk_slice_list_model_set_offset (self->slice, offset);
gtk_slice_list_model_set_size (self->slice, size);
@ -372,8 +404,6 @@ sysprof_time_filter_model_set_model (SysprofTimeFilterModel *self,
{
g_return_if_fail (SYSPROF_IS_TIME_FILTER_MODEL (self));
g_return_if_fail (!model || G_IS_LIST_MODEL (model));
g_return_if_fail (!model || g_type_is_a (g_list_model_get_item_type (model),
SYSPROF_TYPE_DOCUMENT_FRAME));
if (model == sysprof_time_filter_model_get_model (self))
return;
@ -409,3 +439,34 @@ sysprof_time_filter_model_set_time_span (SysprofTimeFilterModel *self,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_TIME_SPAN]);
}
}
GtkExpression *
sysprof_time_filter_model_get_expression (SysprofTimeFilterModel *self)
{
g_return_val_if_fail (SYSPROF_IS_TIME_FILTER_MODEL (self), NULL);
return self->expression;
}
void
sysprof_time_filter_model_set_expression (SysprofTimeFilterModel *self,
GtkExpression *expression)
{
g_return_if_fail (SYSPROF_IS_TIME_FILTER_MODEL (self));
g_return_if_fail (!expression || GTK_IS_EXPRESSION (expression));
if (expression == self->expression)
return;
if (expression)
gtk_expression_ref (expression);
g_clear_pointer (&self->expression, gtk_expression_unref);
if (expression == NULL)
self->expression = gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_FRAME, NULL, "time");
else
self->expression = expression;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_EXPRESSION]);
}

19
src/libsysprof-gtk/sysprof-time-filter-model.h
View File

@ -30,13 +30,16 @@ G_BEGIN_DECLS
G_DECLARE_FINAL_TYPE (SysprofTimeFilterModel, sysprof_time_filter_model, SYSPROF, TIME_FILTER_MODEL, GObject)
SysprofTimeFilterModel *sysprof_time_filter_model_new (GListModel *model,
const SysprofTimeSpan *time_span);
GListModel *sysprof_time_filter_model_get_model (SysprofTimeFilterModel *self);
void sysprof_time_filter_model_set_model (SysprofTimeFilterModel *self,
GListModel *model);
const SysprofTimeSpan *sysprof_time_filter_model_get_time_span (SysprofTimeFilterModel *self);
void sysprof_time_filter_model_set_time_span (SysprofTimeFilterModel *self,
const SysprofTimeSpan *time_span);
SysprofTimeFilterModel *sysprof_time_filter_model_new (GListModel *model,
const SysprofTimeSpan *time_span);
GListModel *sysprof_time_filter_model_get_model (SysprofTimeFilterModel *self);
void sysprof_time_filter_model_set_model (SysprofTimeFilterModel *self,
GListModel *model);
GtkExpression *sysprof_time_filter_model_get_expression (SysprofTimeFilterModel *self);
void sysprof_time_filter_model_set_expression (SysprofTimeFilterModel *self,
GtkExpression *expression);
const SysprofTimeSpan *sysprof_time_filter_model_get_time_span (SysprofTimeFilterModel *self);
void sysprof_time_filter_model_set_time_span (SysprofTimeFilterModel *self,
const SysprofTimeSpan *time_span);
G_END_DECLS