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sysprof: add colorization to time span layers

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We might need to back this off or find some tweaks if it's too slow, but
for now it seems reasonably fast to just do it.
This commit is contained in:
Christian Hergert
2023-08-21 16:43:29 -07:00
parent 340e92403f
commit e2e19c10e6
1 changed files with 43 additions and 2 deletions
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45
src/sysprof/sysprof-time-span-layer.c
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@ -22,6 +22,7 @@
#include "config.h"
#include "sysprof-chart-layer-private.h"
#include "sysprof-color-iter-private.h"
#include "sysprof-normalized-series.h"
#include "sysprof-time-series-item.h"
#include "sysprof-time-span-layer.h"
@ -38,9 +39,14 @@ struct _SysprofTimeSpanLayer
GBindingGroup *series_bindings;
GHashTable *colors_hash;
SysprofColorIter colors;
GdkRGBA color;
GdkRGBA event_color;
guint auto_color : 1;
guint color_set : 1;
guint event_color_set : 1;
};
@ -49,6 +55,7 @@ G_DEFINE_FINAL_TYPE (SysprofTimeSpanLayer, sysprof_time_span_layer, SYSPROF_TYPE
enum {
PROP_0,
PROP_AUTO_COLOR,
PROP_AXIS,
PROP_COLOR,
PROP_EVENT_COLOR,
@ -170,6 +177,7 @@ sysprof_time_span_layer_snapshot (GtkWidget *widget,
if (begin != end)
{
g_autofree char *label = sysprof_time_series_dup_label (self->series, i);
graphene_rect_t rect;
rect = GRAPHENE_RECT_INIT (floor (begin * width),
@ -190,11 +198,26 @@ sysprof_time_span_layer_snapshot (GtkWidget *widget,
if (rect.origin.x + rect.size.width > width)
rect.size.width = width - rect.origin.x;
gtk_snapshot_append_color (snapshot, color, &rect);
if (self->auto_color && label)
{
const GdkRGBA *this_color = g_hash_table_lookup (self->colors_hash, label);
if (this_color == NULL)
{
const GdkRGBA *next_color = sysprof_color_iter_next (&self->colors);
g_hash_table_insert (self->colors_hash, g_strdup (label), (GdkRGBA *)next_color);
this_color = next_color;
}
gtk_snapshot_append_color (snapshot, this_color, &rect);
}
else
{
gtk_snapshot_append_color (snapshot, color, &rect);
}
if (rect.size.width > 20)
{
g_autofree char *label = sysprof_time_series_dup_label (self->series, i);
if (label != NULL)
{
@ -315,6 +338,7 @@ sysprof_time_span_layer_finalize (GObject *object)
g_clear_object (&self->series);
g_clear_object (&self->normal_x);
g_clear_object (&self->normal_x2);
g_clear_pointer (&self->colors_hash, g_hash_table_unref);
G_OBJECT_CLASS (sysprof_time_span_layer_parent_class)->finalize (object);
}
@ -329,6 +353,10 @@ sysprof_time_span_layer_get_property (GObject *object,
switch (prop_id)
{
case PROP_AUTO_COLOR:
g_value_set_boolean (value, self->auto_color);
break;
case PROP_AXIS:
g_value_set_object (value, sysprof_time_span_layer_get_axis (self));
break;
@ -368,6 +396,10 @@ sysprof_time_span_layer_set_property (GObject *object,
switch (prop_id)
{
case PROP_AUTO_COLOR:
self->auto_color = g_value_get_boolean (value);
break;
case PROP_AXIS:
sysprof_time_span_layer_set_axis (self, g_value_get_object (value));
break;
@ -404,6 +436,11 @@ sysprof_time_span_layer_class_init (SysprofTimeSpanLayerClass *klass)
chart_layer_class->lookup_item = sysprof_time_span_layer_lookup_item;
properties[PROP_AUTO_COLOR] =
g_param_spec_boolean ("auto-color", NULL, NULL,
TRUE,
(G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
properties[PROP_AXIS] =
g_param_spec_object ("axis", NULL, NULL,
SYSPROF_TYPE_AXIS,
@ -443,6 +480,10 @@ sysprof_time_span_layer_init (SysprofTimeSpanLayer *self)
self->normal_x = g_object_new (SYSPROF_TYPE_NORMALIZED_SERIES, NULL);
self->normal_x2 = g_object_new (SYSPROF_TYPE_NORMALIZED_SERIES, NULL);
self->colors_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
sysprof_color_iter_init (&self->colors);
self->auto_color = TRUE;
g_signal_connect_object (self->normal_x,
"items-changed",
G_CALLBACK (gtk_widget_queue_draw),