App: emit activated and deactivated events

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/app.cpp b/src/app.cpp
index 6a3e2e6..89b3f29 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -406,6 +406,8 @@ char const *App::activate_surface(char const *drawing_name) {
    /// // XXX: I am not sure I even need 5 elements...
    /// this->last_active.resize(std::min(int(this->last_active.size()), 5));
 
+   this->emit_activated(drawing_name);
+
    // no error
    return nullptr;
 }
@@ -443,6 +445,8 @@ char const *App::deactivate_surface(char const *drawing_name) {
       return "Cannot deactivate surface (not active)";
    }
 
+   this->emit_deactivated(drawing_name);
+
    this->last_active.erase(is);
 
    if (! this->last_active.empty()) {