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libsysprof-gtk: break value at x,y coord into helper

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This commit is contained in:
Christian Hergert
2023-06-20 13:00:59 -07:00
parent b125f4e6e9
commit 075c8e664d
1 changed files with 29 additions and 11 deletions
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40
src/libsysprof-gtk/sysprof-depth-layer.c
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@ -91,13 +91,12 @@ sysprof_depth_layer_snapshot (GtkWidget *widget,
}
}
static void
sysprof_depth_layer_snapshot_motion (SysprofChartLayer *layer,
GtkSnapshot *snapshot,
double x,
double y)
static const SysprofXYSeriesValue *
sysprof_depth_layer_get_value_at_coord (SysprofDepthLayer *self,
double x,
double y,
graphene_rect_t *area)
{
SysprofDepthLayer *self = (SysprofDepthLayer *)layer;
const SysprofXYSeriesValue *values;
graphene_point_t point;
double min_x, max_x;
@ -108,17 +107,16 @@ sysprof_depth_layer_snapshot_motion (SysprofChartLayer *layer,
int height;
g_assert (SYSPROF_IS_DEPTH_LAYER (self));
g_assert (GTK_IS_SNAPSHOT (snapshot));
width = gtk_widget_get_width (GTK_WIDGET (self));
height = gtk_widget_get_height (GTK_WIDGET (self));
if (width == 0 || height == 0)
return;
return NULL;
if (self->series == NULL ||
!(values = sysprof_xy_series_get_values (self->series, &n_values)))
return;
return NULL;
point = GRAPHENE_POINT_INIT (x, y);
@ -137,10 +135,30 @@ sysprof_depth_layer_snapshot_motion (SysprofChartLayer *layer,
if (graphene_rect_contains_point (&rect, &point))
{
gtk_snapshot_append_color (snapshot, &self->hover_color, &rect);
break;
if (area != NULL)
*area = rect;
return v;
}
}
return NULL;
}
static void
sysprof_depth_layer_snapshot_motion (SysprofChartLayer *layer,
GtkSnapshot *snapshot,
double x,
double y)
{
SysprofDepthLayer *self = (SysprofDepthLayer *)layer;
const SysprofXYSeriesValue *v;
graphene_rect_t rect;
g_assert (SYSPROF_IS_DEPTH_LAYER (self));
g_assert (GTK_IS_SNAPSHOT (snapshot));
if ((v = sysprof_depth_layer_get_value_at_coord (self, x, y, &rect)))
gtk_snapshot_append_color (snapshot, &self->hover_color, &rect);
}
static void