Support alpha channel initial work

In this initial work, all (almost) color properties are converted into a new type (float4) to
support an alpha channel. Alpha channel option is shown in the color dialog for Layer and Scene
background properties only. The following is remaining:
- Scene background alpha doesn't work in the editor (works in the viewer RT1)

Task-number: QT3DS-3128
Change-Id: Ib5540ebc8e2ff68709473451e4a92bf66ddb8ad2
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 0 insertions, 10 deletions

diff --git a/src/Authoring/Studio/Palettes/Action/ActionView.cpp b/src/Authoring/Studio/Palettes/Action/ActionView.cpp
index 92a532f2..ec7c9be4 100644
--- a/src/Authoring/Studio/Palettes/Action/ActionView.cpp
+++ b/src/Authoring/Studio/Palettes/Action/ActionView.cpp
@@ -1164,16 +1164,6 @@ bool ActionView::toolTipsEnabled()
     return CStudioPreferences::ShouldShowTooltips();
 }
 
-QColor ActionView::showColorDialog(const QColor &color)
-{
-    m_currentColor = color;
-    CDialogs *dialogs = g_StudioApp.GetDialogs();
-    connect(dialogs, &CDialogs::onColorChanged, this, &ActionView::dialogCurrentColorChanged);
-    QColor currentColor = dialogs->displayColorDialog(color);
-    disconnect(dialogs, &CDialogs::onColorChanged, this, &ActionView::dialogCurrentColorChanged);
-    return currentColor;
-}
-
 void ActionView::updateActionStates()
 {
     bool hasValidAction = (m_currentActionIndex != -1) && m_itemHandle.Valid();