STORM-535 FIXED PLEASE allow adjustable transparency of "Nearby Chat" window, Chat History and Chat "Toasts" in Viewer 2.0!

- Added to the settings.xml values of transparency for active and inactive floaters

- Added three members to the LLFloater. These members store current transparency of floater, transparency of active and inactive floaters.

- Added callbacks that update transparency value of active and inactive floater. Also in these callbacks value of current floater transparency updated.

- In panel preferences advanced added two spinners: transparency of active floaters and inactive ones. See screenshot.

2 files changed, 60 insertions, 2 deletions

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 097fdfbb99..ebd93b5987 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -35,6 +35,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>ActiveFloaterTransparency</key>
+    <map>
+      <key>Comment</key>
+      <string>Transparency of active floaters (floaters that have focus)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>0.95</real>
+    </map>
     <key>AdvanceSnapshot</key>
     <map>
       <key>Comment</key>
@@ -3986,6 +3997,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <key>InactiveFloaterTransparency</key>
+    <map>
+      <key>Comment</key>
+      <string>Transparency of inactive floaters (floaters that have no focus)</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>0.5</real>
+    </map>
     <key>InBandwidth</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml b/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
index 9d496575c9..006d7895b2 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_advanced.xml
@@ -17,6 +17,42 @@
      name="middle_mouse">
         Middle Mouse
     </panel.string>
+    <slider
+     can_edit_text="false"
+     control_name="ActiveFloaterTransparency"
+     decimal_digits="2"
+     follows="left|top"
+     height="16"
+     increment="0.01"
+     initial_value="0.8"
+     layout="topleft"
+     label_width="120"
+     label="Active floater opacity:"
+     left="240"
+     max_val="1.00"
+     min_val="0.00"
+     name="active"
+     show_text="true"
+     top="75"
+     width="290" />
+    <slider
+     can_edit_text="false"
+     control_name="InactiveFloaterTransparency"
+     decimal_digits="2"
+     follows="left|top"
+     height="16"
+     increment="0.01"
+     initial_value="0.5"
+     layout="topleft"
+     label_width="120"
+     label="Inctive floater opacity:"
+     left="240"
+     max_val="1.00"
+     min_val="0.00"
+     name="active"
+     show_text="true"
+     top_pad="15"
+     width="290" />
          <icon
 	 follows="left|top"
 	 height="18"
@@ -70,7 +106,7 @@
      height="10"
      left="80"
      name="heading2"
-     width="270"
+     width="240"
      top_pad="5">
 Automatic position for:
 	</text>
@@ -207,7 +243,7 @@ Automatic position for:
    left="80"
    name="UI Size:"
    top_pad="25"
-   width="300">
+   width="160">
     UI size
   </text>
   <slider