SessionButton: set button opacity to 75% when pressed

Fixes LP: #1301655 (bzr r3983.7.3)

2 files changed, 8 insertions, 0 deletions

diff --git a/shutdown/SessionButton.cpp b/shutdown/SessionButton.cpp
index 06a8afa04..2e0eac9f9 100644
--- a/shutdown/SessionButton.cpp
+++ b/shutdown/SessionButton.cpp
@@ -40,6 +40,7 @@ Button::Button(Action action, NUX_FILE_LINE_DECL)
 : nux::View(NUX_FILE_LINE_PARAM)
 , scale(1.0)
 , highlighted(false)
+ , pressed(false)
 , action([this] { return action_; })
 , label([this] { return label_view_->GetText(); })
 , action_(action)
@@ -107,6 +108,8 @@ Button::Button(Action action, NUX_FILE_LINE_DECL)
 mouse_enter.connect([this] (int, int, unsigned long, unsigned long) { highlighted = true; });
 mouse_leave.connect([this] (int, int, unsigned long, unsigned long) { highlighted = false; });
 mouse_click.connect([this] (int, int, unsigned long, unsigned long) { activated.emit(); });
+ mouse_down.connect([this] (int, int, unsigned long, unsigned long) { pressed = true; });
+ mouse_up.connect([this] (int, int, unsigned long, unsigned long) { pressed = false; });
 
 begin_key_focus.connect([this] { highlighted = true; });
 end_key_focus.connect([this] { highlighted = false; });
@@ -116,6 +119,10 @@ Button::Button(Action action, NUX_FILE_LINE_DECL)
 image_view_->SetTexture(value ? highlight_tex_ : normal_tex_);
 label_view_->SetTextColor(value ? nux::color::White : nux::color::Transparent);
 });
+
+ pressed.changed.connect([this] (bool value) {
+ image_view_->SetOpacity(value ? 0.75 : 1.0);
+ });
 }
 
 void Button::UpdateTextures(std::string const& texture_prefix)
diff --git a/shutdown/SessionButton.h b/shutdown/SessionButton.h
index a25a65cdc..493113e8a 100644
--- a/shutdown/SessionButton.h
+++ b/shutdown/SessionButton.h
@@ -52,6 +52,7 @@ public:
 
 nux::Property<double> scale;
 nux::Property<bool> highlighted;
+ nux::Property<bool> pressed;
 nux::ROProperty<Action> action;
 nux::ROProperty<std::string> label;