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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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102
src/libsysprof-gtk/sysprof-tracks-view.c
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@ -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);