controller{},
outputs(),
config(),
- layouts(),
layers(),
id_alloc{},
- pending_events(false) {
+ pending_events(false),
+ policy{} {
assert(g_app == nullptr);
g_app = this;
logdebug(
"Setting up layer %s (%d) for surfaces %d-%d and role match \"%s\"",
i.name.c_str(), i.layer_id, i.id_min, i.id_max, i.role.c_str());
- this->layouts[l->id] = LayoutState{};
}
// Add layers to screen (XXX: are they sorted correctly?)
if (sub_surface_id) {
if (o_layer_id != this->layers.get_layer_id(*sub_surface_id)) {
- logerror("surface_set_layout: layers of surfaces (%d and %d) don't match!", surface_id, *sub_surface_id);
+ logerror(
+ "surface_set_layout: layers of surfaces (%d and %d) don't match!",
+ surface_id, *sub_surface_id);
return;
}
auto &ss = this->controller->surfaces[*sub_surface_id];
- logdebug("surface_set_layout for sub surface %u on layer %u", *sub_surface_id,
- layer_id);
+ logdebug("surface_set_layout for sub surface %u on layer %u",
+ *sub_surface_id, layer_id);
// configure surface to wxh dimensions
ss->set_configuration(w, h);
flush = true;
}
- l.state.s = LayoutState::Single;
-
if (flush) {
this->layout_commit();
}
return "Surface already active";
}
- // This should involve a policy check, but as we do not (yet) have
- // such a thing, we will just switch to this surface.
- // XXX: input focus missing!!1
if (state.main == -1) {
- this->emit_syncdraw(drawing_name);
-
- this->surface_set_layout(*surface_id);
- this->activate(*surface_id); // XXX do we need to activate after enddraw?
- state.main = *surface_id;
- state.sub = -1;
- state.s = LayoutState::Single;
-
- this->layout_commit();
- this->enqueue_flushdraw(state.main);
+ this->try_layout(
+ state, LayoutState{*surface_id}, [&] (LayoutState const &nl) {
+ this->surface_set_layout(*surface_id);
+ // XXX do we need to activate after enddraw?
+ this->activate(*surface_id);
+ state = nl;
+ this->layout_commit();
+ this->emit_syncdraw(drawing_name);
+ this->enqueue_flushdraw(state.main);
+ });
} else {
bool can_split = this->can_split(state, *surface_id);
if (state.sub == -1) {
if (can_split) {
- if (state.main != *surface_id) {
- std::string main = std::move(*this->lookup_name(state.main));
- this->emit_syncdraw(drawing_name);
- this->emit_syncdraw(main.c_str());
-
- this->surface_set_layout(state.main, surface_id);
- this->activate(*surface_id);
- state.sub = *surface_id;
-
- this->layout_commit();
- this->enqueue_flushdraw(state.main);
- this->enqueue_flushdraw(state.sub);
- }
+ this->try_layout(
+ state,
+ LayoutState{state.main, *surface_id},
+ [&] (LayoutState const &nl) {
+ std::string main =
+ std::move(*this->lookup_name(state.main));
+
+ this->surface_set_layout(state.main, surface_id);
+ this->activate(*surface_id);
+ state = nl;
+
+ this->layout_commit();
+ this->emit_syncdraw(drawing_name);
+ this->emit_syncdraw(main.c_str());
+ this->enqueue_flushdraw(state.main);
+ this->enqueue_flushdraw(state.sub);
+ });
} else {
- this->emit_syncdraw(drawing_name);
-
- this->surface_set_layout(*surface_id);
- this->deactivate(state.main);
- this->activate(*surface_id);
- this->deactivate(state.sub);
- state.main = *surface_id;
- state.sub = -1;
- state.s = LayoutState::Single;
-
- this->layout_commit();
- this->enqueue_flushdraw(state.main);
+ this->try_layout(
+ state, LayoutState{*surface_id}, [&] (LayoutState const &nl) {
+ this->surface_set_layout(*surface_id);
+ this->deactivate(state.main);
+ this->activate(*surface_id);
+ this->deactivate(state.sub);
+ state = nl;
+
+ this->layout_commit();
+ this->emit_syncdraw(drawing_name);
+ this->enqueue_flushdraw(state.main);
+ });
}
}
}
return "No surface active";
}
- // XXX: check against main_surface, main_surface_name is the configuration item.
+ // XXX: check against main_surface, main_surface_name is the configuration
+ // item.
if (*surface_id == this->layers.main_surface) {
logdebug("Refusing to deactivate main_surface %d", *surface_id);
return nullptr;
if (state.main == *surface_id) {
if (state.sub != -1) {
- std::string sub = std::move(*this->lookup_name(state.sub));
- this->emit_syncdraw(sub.c_str());
+ this->try_layout(
+ state, LayoutState{state.sub, -1}, [&] (LayoutState const &nl) {
+ std::string sub = std::move(*this->lookup_name(state.sub));
- this->deactivate(*surface_id);
- this->surface_set_layout(state.sub);
- state.main = state.sub;
- state.sub = -1;
- state.s = LayoutState::Single;
+ this->deactivate(*surface_id);
+ this->surface_set_layout(state.sub);
+ state = nl;
- this->layout_commit();
- this->enqueue_flushdraw(state.sub);
+ this->layout_commit();
+ this->emit_syncdraw(sub.c_str());
+ this->enqueue_flushdraw(state.sub);
+ });
} else {
- this->deactivate(*surface_id);
- state.main = -1;
+ this->try_layout(state, LayoutState{-1, -1}, [&] (LayoutState const &nl) {
+ this->deactivate(*surface_id);
+ state = nl;
+ this->layout_commit();
+ });
}
} else if (state.sub == *surface_id) {
- std::string main = std::move(*this->lookup_name(state.main));
- this->emit_syncdraw(main.c_str());
+ this->try_layout(
+ state, LayoutState{state.main, -1}, [&] (LayoutState const &nl) {
+ std::string main = std::move(*this->lookup_name(state.main));
- this->deactivate(*surface_id);
- this->deactivate(*surface_id);
- this->surface_set_layout(state.main);
- state.sub = -1;
- state.s = LayoutState::Single;
+ this->deactivate(*surface_id);
+ this->surface_set_layout(state.main);
+ state = nl;
- this->layout_commit();
- this->enqueue_flushdraw(state.main);
+ this->layout_commit();
+ this->emit_syncdraw(main.c_str());
+ this->enqueue_flushdraw(state.main);
+ });
} else {
return "Surface is not active";
}
logerror("Application %s (%d) has pending EndDraw call(s)!",
n ? n->c_str() : "unknown-name", surface_id);
std::swap(this->pending_end_draw[std::distance(
- std::begin(this->pending_end_draw), i)],
+ std::begin(this->pending_end_draw), i)],
this->pending_end_draw.back());
this->pending_end_draw.resize(this->pending_end_draw.size() - 1);
}
return "No EndDraw pending for surface";
}
-void App::api_ping() {
- this->dispatch_pending_events();
-}
-
-void App::deactivate_main_surface() {
- this->layers.main_surface = -1;
- this->api_deactivate_surface(this->layers.main_surface_name.c_str());
-}
+void App::api_ping() { this->dispatch_pending_events(); }
// _ _ _____ _
// _ __ _ __ _____ _(_) ___ __| | | ____|_ _____ _ __ | |_ ___
}
}
+void App::deactivate_main_surface() {
+ this->layers.main_surface = -1;
+ this->api_deactivate_surface(this->layers.main_surface_name.c_str());
+}
+
bool App::can_split(struct LayoutState const &state, int new_id) {
if (state.main != -1 && state.main != new_id) {
auto new_id_layer = this->layers.get_layer_id(new_id).value();
return false;
}
+void App::try_layout(struct LayoutState &state,
+ struct LayoutState const &new_layout,
+ std::function<void(LayoutState const &nl)> apply) {
+ if (this->policy.layout_is_valid(new_layout)) {
+ apply(new_layout);
+ }
+}
+
// _ _ _ _ _
// ___ ___ _ __ | |_ _ __ ___ | | | ___ _ __ | |__ ___ ___ | | _____
// / __/ _ \| '_ \| __| '__/ _ \| | |/ _ \ '__|| '_ \ / _ \ / _ \| |/ / __|