p/fiv
1
1
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

Insensivitize inappropriate toolbar actions

Browse Source
This commit is contained in:
Přemysl Eric Janouch
2021-12-19 07:04:04 +01:00
parent bac92f2612
commit ae57c45c2a
2 changed files with 83 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
fiv-view.c
View File

@@ -89,6 +89,10 @@ enum {
PROP_SCALE_TO_FIT,
PROP_FILTER,
PROP_PLAYING,
PROP_HAS_IMAGE,
PROP_CAN_ANIMATE,
PROP_HAS_PREVIOUS_PAGE,
PROP_HAS_NEXT_PAGE,
N_PROPERTIES
};
@@ -121,6 +125,20 @@ fiv_view_get_property(
case PROP_PLAYING:
g_value_set_boolean(value, !!self->frame_update_connection);
break;
case PROP_HAS_IMAGE:
g_value_set_boolean(value, !!self->image);
break;
case PROP_CAN_ANIMATE:
g_value_set_boolean(value, self->page &&
cairo_surface_get_user_data(self->page, &fiv_io_key_frame_next));
break;
case PROP_HAS_PREVIOUS_PAGE:
g_value_set_boolean(value, self->image && self->page != self->image);
break;
case PROP_HAS_NEXT_PAGE:
g_value_set_boolean(value, self->page &&
cairo_surface_get_user_data(self->page, &fiv_io_key_page_next));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
}
@@ -564,6 +582,13 @@ switch_page(FivView *self, cairo_surface_t *page)
start_animating(self);
gtk_widget_queue_resize(GTK_WIDGET(self));
g_object_notify_by_pspec(
G_OBJECT(self), view_properties[PROP_CAN_ANIMATE]);
g_object_notify_by_pspec(
G_OBJECT(self), view_properties[PROP_HAS_PREVIOUS_PAGE]);
g_object_notify_by_pspec(
G_OBJECT(self), view_properties[PROP_HAS_NEXT_PAGE]);
}
static void
@@ -821,7 +846,19 @@ fiv_view_class_init(FivViewClass *klass)
TRUE, G_PARAM_READWRITE);
view_properties[PROP_PLAYING] = g_param_spec_boolean(
"playing", "Playing animation", "An animation is running",
TRUE, G_PARAM_READWRITE);
FALSE, G_PARAM_READABLE);
view_properties[PROP_HAS_IMAGE] = g_param_spec_boolean(
"has-image", "Has an image", "An image is loaded",
FALSE, G_PARAM_READABLE);
view_properties[PROP_CAN_ANIMATE] = g_param_spec_boolean(
"can-animate", "Can animate", "An animation is loaded",
FALSE, G_PARAM_READABLE);
view_properties[PROP_HAS_PREVIOUS_PAGE] = g_param_spec_boolean(
"has-previous-page", "Has a previous page", "Preceding pages exist",
FALSE, G_PARAM_READABLE);
view_properties[PROP_HAS_NEXT_PAGE] = g_param_spec_boolean(
"has-next-page", "Has a next page", "Following pages exist",
FALSE, G_PARAM_READABLE);
g_object_class_install_properties(
object_class, N_PROPERTIES, view_properties);
@@ -867,6 +904,8 @@ fiv_view_open(FivView *self, const gchar *path, GError **error)
self->image = surface;
switch_page(self, self->image);
set_scale_to_fit(self, true);
g_object_notify_by_pspec(G_OBJECT(self), view_properties[PROP_HAS_IMAGE]);
return TRUE;
}