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libsysprof-gtk: add zoom button within selection

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This commit is contained in:
Christian Hergert
2023-06-30 15:31:46 -07:00
parent 67f155b0e2
commit bd5ce9de06
2 changed files with 108 additions and 3 deletions
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97
src/libsysprof-gtk/sysprof-tracks-view.c
View File

@ -31,8 +31,10 @@ struct _SysprofTracksView
SysprofSession *session;
GtkBox *box;
GtkWidget *top_left;
GtkListView *list_view;
GtkButton *zoom;
double motion_x;
double motion_y;
@ -119,6 +121,8 @@ sysprof_tracks_view_drag_begin_cb (SysprofTracksView *self,
self->drag_offset_x = 0;
self->drag_offset_y = 0;
gtk_widget_set_visible (GTK_WIDGET (self->zoom), FALSE);
self->in_drag_selection = TRUE;
gtk_widget_queue_draw (GTK_WIDGET (self));
@ -315,13 +319,70 @@ G_GNUC_END_IGNORE_DEPRECATIONS
gtk_widget_get_height (GTK_WIDGET (self))));
}
static void
sysprof_tracks_view_measure (GtkWidget *widget,
GtkOrientation orientation,
int for_size,
int *minimum,
int *natural,
int *minimum_baseline,
int *natural_baseline)
{
SysprofTracksView *self = (SysprofTracksView *)widget;
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
gtk_widget_measure (GTK_WIDGET (self->box),
orientation,
for_size,
minimum,
natural,
minimum_baseline,
natural_baseline);
}
static void
sysprof_tracks_view_size_allocate (GtkWidget *widget,
int width,
int height,
int baseline)
{
SysprofTracksView *self = (SysprofTracksView *)widget;
graphene_rect_t area;
graphene_rect_t selection;
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
gtk_widget_size_allocate (GTK_WIDGET (self->box),
&(GtkAllocation) {0, 0, width, height},
baseline);
if (get_selected_area (self, &area, &selection))
{
graphene_point_t middle;
GtkRequisition min_req;
GtkRequisition nat_req;
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),
middle.y - (min_req.height/2),
min_req.width,
min_req.height
}, -1);
}
}
static void
sysprof_tracks_view_dispose (GObject *object)
{
SysprofTracksView *self = (SysprofTracksView *)object;
GtkWidget *child;
g_clear_object (&self->session);
sysprof_tracks_view_set_session (self, NULL);
gtk_widget_dispose_template (GTK_WIDGET (self), SYSPROF_TYPE_TRACKS_VIEW);
@ -380,6 +441,8 @@ sysprof_tracks_view_class_init (SysprofTracksViewClass *klass)
object_class->set_property = sysprof_tracks_view_set_property;
widget_class->snapshot = sysprof_tracks_view_snapshot;
widget_class->measure = sysprof_tracks_view_measure;
widget_class->size_allocate = sysprof_tracks_view_size_allocate;
properties[PROP_SESSION] =
g_param_spec_object ("session", NULL, NULL,
@ -389,11 +452,12 @@ sysprof_tracks_view_class_init (SysprofTracksViewClass *klass)
g_object_class_install_properties (object_class, N_PROPS, properties);
gtk_widget_class_set_template_from_resource (widget_class, "/libsysprof-gtk/sysprof-tracks-view.ui");
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BIN_LAYOUT);
gtk_widget_class_set_css_name (widget_class, "tracks");
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, top_left);
gtk_widget_class_bind_template_child (widget_class, SysprofTracksView, zoom);
gtk_widget_class_bind_template_callback (widget_class, sysprof_tracks_view_motion_enter_cb);
gtk_widget_class_bind_template_callback (widget_class, sysprof_tracks_view_motion_leave_cb);
@ -446,6 +510,26 @@ sysprof_tracks_view_create_model_func (gpointer item,
return sysprof_track_list_subtracks (item);
}
static void
sysprof_tracks_view_notify_selected_time_cb (SysprofTracksView *self,
GParamSpec *pspec,
SysprofSession *session)
{
const SysprofTimeSpan *visible;
const SysprofTimeSpan *selected;
gboolean button_visible;
g_assert (SYSPROF_IS_TRACKS_VIEW (self));
g_assert (SYSPROF_IS_SESSION (session));
visible = sysprof_session_get_visible_time (session);
selected = sysprof_session_get_selected_time (session);
button_visible = memcmp (visible, selected, sizeof *visible) != 0;
gtk_widget_set_visible (GTK_WIDGET (self->zoom), button_visible);
}
void
sysprof_tracks_view_set_session (SysprofTracksView *self,
SysprofSession *session)
@ -458,6 +542,9 @@ sysprof_tracks_view_set_session (SysprofTracksView *self,
if (self->session)
{
g_signal_handlers_disconnect_by_func (self->session,
G_CALLBACK (sysprof_tracks_view_notify_selected_time_cb),
self);
gtk_list_view_set_model (self->list_view, NULL);
g_clear_object (&self->session);
}
@ -479,6 +566,12 @@ sysprof_tracks_view_set_session (SysprofTracksView *self,
no = gtk_no_selection_new (g_object_ref (G_LIST_MODEL (tree_list_model)));
gtk_list_view_set_model (self->list_view, GTK_SELECTION_MODEL (no));
g_signal_connect_object (session,
"notify::selected-time",
G_CALLBACK (sysprof_tracks_view_notify_selected_time_cb),
self,
G_CONNECT_SWAPPED);
}
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_SESSION]);

14
src/libsysprof-gtk/sysprof-tracks-view.ui
View File

@ -16,7 +16,7 @@
</object>
</child>
<child>
<object class="GtkBox">
<object class="GtkBox" id="box">
<property name="orientation">vertical</property>
<child>
<object class="GtkBox">
@ -140,5 +140,17 @@
</child>
</object>
</child>
<child>
<object class="GtkButton" id="zoom">
<property name="action-name">zoom-to-selection</property>
<property name="icon-name">zoom-in-symbolic</property>
<property name="valign">center</property>
<property name="halign">center</property>
<property name="visible">false</property>
<style>
<class name="circular"/>
</style>
</object>
</child>
</template>
</interface>