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libsysprof-gtk: add a timecode label above the ruler

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This commit is contained in:
Christian Hergert
2023-07-05 11:31:39 -07:00
parent a2da225216
commit 5c0a56c47a
5 changed files with 142 additions and 32 deletions
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12
src/libsysprof-gtk/style.css
View File

@ -69,6 +69,18 @@ timeruler {
color: alpha(currentColor, .8);
}
tracks timecode {
border-radius: 7px;
background: @accent_bg_color;
color: @accent_fg_color;
padding: 1px 3px;
margin: 2px 6px;
box-shadow: 0 2px 8px 2px alpha(black, .27);
border: 1px solid shade(@accent_bg_color, .9);
font-feature-settings: "tnum";
font-size: .9em;
}
tracks track chart {
margin-top: 1px;
}

38
src/libsysprof-gtk/sysprof-time-ruler.c
View File

@ -279,3 +279,41 @@ sysprof_time_ruler_set_session (SysprofTimeRuler *self,
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SESSION]);
}
}
char *
sysprof_time_ruler_get_label_at_point (SysprofTimeRuler *self,
double x)
{
char str[32];
const SysprofTimeSpan *visible;
gint64 duration;
gint64 o;
g_return_val_if_fail (SYSPROF_IS_TIME_RULER (self), NULL);
if (x < 0)
return NULL;
if (x > gtk_widget_get_width (GTK_WIDGET (self)))
return NULL;
if (self->session == NULL)
return NULL;
if (!(visible = sysprof_session_get_visible_time (self->session)) ||
!(duration = sysprof_time_span_duration (*visible)))
return NULL;
o = (x / (double)gtk_widget_get_width (GTK_WIDGET (self))) * duration;
if (o == 0)
g_snprintf (str, sizeof str, "%.3lfs", .0);
else if (o < 1000000)
g_snprintf (str, sizeof str, "%.3lfμs", o/1000.);
else if (o < SYSPROF_NSEC_PER_SEC)
g_snprintf (str, sizeof str, "%.3lfms", o/1000000.);
else
g_snprintf (str, sizeof str, "%.3lfs", o/(double)SYSPROF_NSEC_PER_SEC);
return g_strdup (str);
}

11
src/libsysprof-gtk/sysprof-time-ruler.h
View File

@ -30,11 +30,14 @@ SYSPROF_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (SysprofTimeRuler, sysprof_time_ruler, SYSPROF, TIME_RULER, GtkWidget)
SYSPROF_AVAILABLE_IN_ALL
GtkWidget *sysprof_time_ruler_new (void);
GtkWidget *sysprof_time_ruler_new (void);
SYSPROF_AVAILABLE_IN_ALL
SysprofSession *sysprof_time_ruler_get_session (SysprofTimeRuler *self);
SysprofSession *sysprof_time_ruler_get_session (SysprofTimeRuler *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_time_ruler_set_session (SysprofTimeRuler *self,
SysprofSession *session);
void sysprof_time_ruler_set_session (SysprofTimeRuler *self,
SysprofSession *session);
SYSPROF_AVAILABLE_IN_ALL
char *sysprof_time_ruler_get_label_at_point (SysprofTimeRuler *self,
double x);
G_END_DECLS

102
src/libsysprof-gtk/sysprof-tracks-view.c
View File

@ -27,24 +27,26 @@
struct _SysprofTracksView
{
GtkWidget parent_instance;
GtkWidget parent_instance;
SysprofSession *session;
SysprofSession *session;
GtkBox *box;
GtkWidget *top_left;
GtkListView *list_view;
GtkButton *zoom;
GtkBox *box;
GtkWidget *top_left;
GtkListView *list_view;
SysprofTimeRuler *ruler;
GtkLabel *timecode;
GtkButton *zoom;
double motion_x;
double motion_y;
double motion_x;
double motion_y;
double drag_start_x;
double drag_start_y;
double drag_offset_x;
double drag_offset_y;
double drag_start_x;
double drag_start_y;
double drag_offset_x;
double drag_offset_y;
guint in_drag_selection : 1;
guint in_drag_selection : 1;
};
enum {
@ -57,6 +59,36 @@ G_DEFINE_FINAL_TYPE (SysprofTracksView, sysprof_tracks_view, GTK_TYPE_WIDGET)
static GParamSpec *properties [N_PROPS];
static void
set_motion (SysprofTracksView *self,
double x,
double y)
{
gboolean timecode_visible = FALSE;
int ruler_start;
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
if (self->motion_x == x && self->motion_y == y)
return;
self->motion_x = x;
self->motion_y = y;
ruler_start = gtk_widget_get_width (self->top_left);
if (x >= ruler_start)
{
g_autofree char *str = sysprof_time_ruler_get_label_at_point (self->ruler, x - ruler_start);
gtk_label_set_label (self->timecode, str);
timecode_visible = TRUE;
}
gtk_widget_set_visible (GTK_WIDGET (self->timecode), timecode_visible);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
static void
sysprof_tracks_view_motion_enter_cb (SysprofTracksView *self,
double x,
@ -66,10 +98,7 @@ sysprof_tracks_view_motion_enter_cb (SysprofTracksView *self,
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
self->motion_x = x;
self->motion_y = y;
gtk_widget_queue_draw (GTK_WIDGET (self));
set_motion (self, x, y);
}
static void
@ -79,11 +108,7 @@ sysprof_tracks_view_motion_leave_cb (SysprofTracksView *self,
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
self->motion_x = -1;
self->motion_y = -1;
gtk_widget_queue_draw (GTK_WIDGET (self));
set_motion (self, -1, -1);
}
static void
@ -95,10 +120,7 @@ sysprof_tracks_view_motion_cb (SysprofTracksView *self,
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
g_assert (GTK_IS_EVENT_CONTROLLER_MOTION (motion));
self->motion_x = x;
self->motion_y = y;
gtk_widget_queue_draw (GTK_WIDGET (self));
set_motion (self, x, y);
}
static void
@ -332,6 +354,9 @@ G_GNUC_END_IGNORE_DEPRECATIONS
if (gtk_widget_get_visible (GTK_WIDGET (self->zoom)))
gtk_widget_snapshot_child (GTK_WIDGET (self), GTK_WIDGET (self->zoom), snapshot);
if (gtk_widget_get_visible (GTK_WIDGET (self->timecode)))
gtk_widget_snapshot_child (GTK_WIDGET (self), GTK_WIDGET (self->timecode), snapshot);
}
static void
@ -391,9 +416,9 @@ sysprof_tracks_view_size_allocate (GtkWidget *widget,
GtkRequisition min_req;
GtkRequisition nat_req;
/* Position the zoom button in the center of the selected area */
gtk_widget_get_preferred_size (GTK_WIDGET (self->zoom), &min_req, &nat_req);
graphene_rect_get_center (&selection, &middle);
gtk_widget_size_allocate (GTK_WIDGET (self->zoom),
&(GtkAllocation) {
middle.x - (min_req.width/2),
@ -402,6 +427,27 @@ sysprof_tracks_view_size_allocate (GtkWidget *widget,
min_req.height
}, -1);
}
if (gtk_widget_get_visible (GTK_WIDGET (self->timecode)))
{
GtkRequisition min_req;
GtkRequisition nat_req;
gtk_widget_get_preferred_size (GTK_WIDGET (self->timecode), &min_req, &nat_req);
if (self->motion_x + min_req.width < gtk_widget_get_width (GTK_WIDGET (self)))
gtk_widget_size_allocate (GTK_WIDGET (self->timecode),
&(GtkAllocation) {
self->motion_x, 0,
min_req.width, min_req.height
}, -1);
else
gtk_widget_size_allocate (GTK_WIDGET (self->timecode),
&(GtkAllocation) {
self->motion_x - min_req.width, 0,
min_req.width, min_req.height
}, -1);
}
}
static void
@ -484,6 +530,8 @@ sysprof_tracks_view_class_init (SysprofTracksViewClass *klass)
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, box);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, list_view);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, ruler);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, timecode);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, top_left);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, zoom);

11
src/libsysprof-gtk/sysprof-tracks-view.ui
View File

@ -29,7 +29,7 @@
</object>
</child>
<child>
<object class="SysprofTimeRuler">
<object class="SysprofTimeRuler" id="ruler">
<property name="hexpand">true</property>
<binding name="session">
<lookup name="session">SysprofTracksView</lookup>
@ -155,5 +155,14 @@
</style>
</object>
</child>
<child>
<object class="GtkLabel" id="timecode">
<property name="css-name">timecode</property>
<property name="visible">false</property>
<style>
<class name="pill"/>
</style>
</object>
</child>
</template>
</interface>