Add ability to change gui opacity from theme file.

Set opacity for jewelry theme to 1.

4 files changed, 12 insertions, 1 deletions

diff --git a/data/themes/jewelry/info.xml b/data/themes/jewelry/info.xml
index 05c7b7dbd..867550a05 100644
--- a/data/themes/jewelry/info.xml
+++ b/data/themes/jewelry/info.xml
@@ -2,4 +2,5 @@
 <info>
     <name>Jewelry</name>
     <copyright>2012-2013 Hal9000\n2012-2013 ManaPlus developers</copyright>
+    <guialpha>1.0</guialpha>
 </info>
diff --git a/src/gui/setup_theme.cpp b/src/gui/setup_theme.cpp
index 8002ceff8..f46202eb7 100644
--- a/src/gui/setup_theme.cpp
+++ b/src/gui/setup_theme.cpp
@@ -500,6 +500,8 @@ void Setup_Theme::apply()
             if (size >= 0)
                 mNpcFontSizeDropDown->setSelected(size);
         }
+        if (mInfo->guiAlpha > 0.01f)
+            config.setValue("guialpha", mInfo->guiAlpha);
     }
     config.setValue("theme", mTheme);
     config.setValue("lang", mLang);
diff --git a/src/gui/theme.cpp b/src/gui/theme.cpp
index 999b2ec2b..8f10a9372 100644
--- a/src/gui/theme.cpp
+++ b/src/gui/theme.cpp
@@ -1226,6 +1226,10 @@ ImageSet *Theme::getImageSetFromThemeXml(const std::string &name,
         info->name = atoi(reinterpret_cast<const char*>(\
             xmlNodeGetContent(infoNode)))
 
+#define readFloatValue(name) \
+        info->name = atof(reinterpret_cast<const char*>(\
+            xmlNodeGetContent(infoNode)))
+
 ThemeInfo *Theme::loadInfo(const std::string &themeName)
 {
     std::string path;
@@ -1271,6 +1275,8 @@ ThemeInfo *Theme::loadInfo(const std::string &themeName)
             readIntValue(fontSize);
         else if (xmlNameEqual(infoNode, "npcfontSize"))
             readIntValue(npcfontSize);
+        else if (xmlNameEqual(infoNode, "guialpha"))
+            readFloatValue(guiAlpha);
         else if (xmlNameEqual(infoNode, fontSize2.c_str()))
             readIntValue(fontSize);
         else if (xmlNameEqual(infoNode, npcfontSize2.c_str()))
diff --git a/src/gui/theme.h b/src/gui/theme.h
index 38e3b7024..3a56cfcfb 100644
--- a/src/gui/theme.h
+++ b/src/gui/theme.h
@@ -53,7 +53,8 @@ struct ThemeInfo final
         secureFont(),
         japanFont(),
         fontSize(0),
-        npcfontSize(0)
+        npcfontSize(0),
+        guiAlpha(0.0f)
     {
     }
     std::string name;
@@ -66,6 +67,7 @@ struct ThemeInfo final
     std::string japanFont;
     int fontSize;
     int npcfontSize;
+    float guiAlpha;
 };
 
 class Skin final