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libsysprof-gtk: reimplement hover interaction for column layer

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This commit is contained in:
Christian Hergert
2023-06-28 10:43:08 -07:00
parent 95d67a63d1
commit ff42362c0a
1 changed files with 25 additions and 34 deletions
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59
src/libsysprof-gtk/sysprof-column-layer.c
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@ -97,18 +97,15 @@ sysprof_column_layer_snapshot (GtkWidget *widget,
gtk_snapshot_restore (snapshot); gtk_snapshot_restore (snapshot);
} }
#if 0 static guint
static const SysprofXYSeriesValue * sysprof_column_layer_get_index_at_coord (SysprofColumnLayer *self,
sysprof_column_layer_get_value_at_coord (SysprofColumnLayer *self,
double x, double x,
double y, double y,
graphene_rect_t *area) graphene_rect_t *area)
{ {
const SysprofXYSeriesValue *values;
graphene_point_t point; graphene_point_t point;
double min_x, max_x; const float *x_values;
double min_y, max_y; const float *y_values;
guint line_width;
guint n_values; guint n_values;
int width; int width;
int height; int height;
@ -118,39 +115,28 @@ sysprof_column_layer_get_value_at_coord (SysprofColumnLayer *self,
width = gtk_widget_get_width (GTK_WIDGET (self)); width = gtk_widget_get_width (GTK_WIDGET (self));
height = gtk_widget_get_height (GTK_WIDGET (self)); height = gtk_widget_get_height (GTK_WIDGET (self));
if (width == 0 || height == 0) _sysprof_xy_layer_get_xy (SYSPROF_XY_LAYER (self), &x_values, &y_values, &n_values);
return NULL;
if (self->series == NULL || if (width == 0 || height == 0 || n_values == 0)
!(values = sysprof_xy_series_get_values (self->series, &n_values))) return GTK_INVALID_LIST_POSITION;
return NULL;
point = GRAPHENE_POINT_INIT (x, y); point = GRAPHENE_POINT_INIT (x, y);
sysprof_xy_series_get_range (self->series, &min_x, &min_y, &max_x, &max_y);
line_width = MAX (1, width / (max_x - min_x));
for (guint i = 0; i < n_values; i++) for (guint i = 0; i < n_values; i++)
{ {
const SysprofXYSeriesValue *v = &values[i]; graphene_rect_t rect = GRAPHENE_RECT_INIT (x_values[i]*width, height, 1, -(y_values[i]*height));
int line_height = ceilf (v->y * height);
graphene_rect_t rect = GRAPHENE_RECT_INIT (v->x * width,
height - line_height,
line_width,
line_height);
if (graphene_rect_contains_point (&rect, &point)) if (graphene_rect_contains_point (&rect, &point))
{ {
if (area != NULL) if (area != NULL)
*area = rect; *area = rect;
return v;
return i;
} }
} }
return NULL; return GTK_INVALID_LIST_POSITION;
} }
#endif
static void static void
sysprof_column_layer_snapshot_motion (SysprofChartLayer *layer, sysprof_column_layer_snapshot_motion (SysprofChartLayer *layer,
@ -158,17 +144,17 @@ sysprof_column_layer_snapshot_motion (SysprofChartLayer *layer,
double x, double x,
double y) double y)
{ {
#if 0
SysprofColumnLayer *self = (SysprofColumnLayer *)layer; SysprofColumnLayer *self = (SysprofColumnLayer *)layer;
const SysprofXYSeriesValue *v;
graphene_rect_t rect; graphene_rect_t rect;
guint position;
g_assert (SYSPROF_IS_COLUMN_LAYER (self)); g_assert (SYSPROF_IS_COLUMN_LAYER (self));
g_assert (GTK_IS_SNAPSHOT (snapshot)); g_assert (GTK_IS_SNAPSHOT (snapshot));
if ((v = sysprof_column_layer_get_value_at_coord (self, x, y, &rect))) position = sysprof_column_layer_get_index_at_coord (self, x, y, &rect);
if (position != GTK_INVALID_LIST_POSITION)
gtk_snapshot_append_color (snapshot, &self->hover_color, &rect); gtk_snapshot_append_color (snapshot, &self->hover_color, &rect);
#endif
} }
static gpointer static gpointer
@ -176,15 +162,20 @@ sysprof_column_layer_lookup_item (SysprofChartLayer *layer,
double x, double x,
double y) double y)
{ {
#if 0
SysprofColumnLayer *self = (SysprofColumnLayer *)layer; SysprofColumnLayer *self = (SysprofColumnLayer *)layer;
const SysprofXYSeriesValue *v; SysprofXYSeries *series;
GListModel *model;
g_assert (SYSPROF_IS_COLUMN_LAYER (self)); g_assert (SYSPROF_IS_COLUMN_LAYER (self));
if ((v = sysprof_column_layer_get_value_at_coord (self, x, y, NULL))) if ((series = sysprof_xy_layer_get_series (SYSPROF_XY_LAYER (layer))) &&
return g_list_model_get_item (sysprof_xy_series_get_model (self->series), v->index); (model = sysprof_series_get_model (SYSPROF_SERIES (series))))
#endif {
guint position = sysprof_column_layer_get_index_at_coord (self, x, y, NULL);
if (position != GTK_INVALID_LIST_POSITION)
return g_list_model_get_item (model, position);
}
return NULL; return NULL;
} }