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sysprof: add tooltips to chart layer

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Now that we do some filtering on these to not show too many items per row,
this can be enabled. Previously it could *really* slow things down due to
all the app<->compositor traffic it causes.
This commit is contained in:
Christian Hergert
2023-08-25 12:56:24 -07:00
parent 8a43440f6a
commit 174d5f2cd4
1 changed files with 54 additions and 0 deletions
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54
src/sysprof/sysprof-chart-layer.c
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@ -23,6 +23,9 @@
#include "sysprof-chart.h"
#include "sysprof-chart-layer-private.h"
#include "sysprof-session-private.h"
#include "sysprof-window.h"
typedef struct
{
char *title;
@ -57,6 +60,55 @@ G_GNUC_BEGIN_IGNORE_DEPRECATIONS
G_GNUC_END_IGNORE_DEPRECATIONS
}
static SysprofSession *
find_session (SysprofChartLayer *self)
{
GtkWidget *toplevel = gtk_widget_get_ancestor (GTK_WIDGET (self), GTK_TYPE_WINDOW);
if (SYSPROF_IS_WINDOW (toplevel))
return sysprof_window_get_session (SYSPROF_WINDOW (toplevel));
return NULL;
}
static gboolean
sysprof_chart_layer_query_tooltip (GtkWidget *widget,
int x,
int y,
gboolean keyboard_tooltip,
GtkTooltip *tooltip)
{
SysprofChartLayer *self = (SysprofChartLayer *)widget;
g_autoptr(GObject) item = NULL;
g_assert (SYSPROF_IS_CHART_LAYER (self));
g_assert (GTK_IS_TOOLTIP (tooltip));
/* This function is definitely a layering violation, but helpful
* nonetheless so we don't have to plumb things everywhere. If
* you were abstracting this into a library, you'd definitely
* do this differently.
*/
if ((item = sysprof_chart_layer_lookup_item (self, x, y)))
{
SysprofSession *session;
if ((session = find_session (self)))
{
g_autofree char *text = _sysprof_session_describe (session, item);
if (text != NULL)
{
gtk_tooltip_set_text (tooltip, text);
return TRUE;
}
}
}
return FALSE;
}
static void
sysprof_chart_layer_dispose (GObject *object)
{
@ -130,6 +182,7 @@ sysprof_chart_layer_class_init (SysprofChartLayerClass *klass)
widget_class->css_changed = sysprof_chart_layer_css_changed;
widget_class->root = sysprof_chart_layer_root;
widget_class->query_tooltip = sysprof_chart_layer_query_tooltip;
properties[PROP_CHART] =
g_param_spec_object ("chart", NULL, NULL,
@ -149,6 +202,7 @@ sysprof_chart_layer_class_init (SysprofChartLayerClass *klass)
static void
sysprof_chart_layer_init (SysprofChartLayer *self)
{
gtk_widget_set_has_tooltip (GTK_WIDGET (self), TRUE);
}
const char *