Add button in themes to show additional theme info.

4 files changed, 74 insertions, 8 deletions

diff --git a/src/gui/setup_theme.cpp b/src/gui/setup_theme.cpp
index 1886405be..66d806fc4 100644
--- a/src/gui/setup_theme.cpp
+++ b/src/gui/setup_theme.cpp
@@ -51,6 +51,7 @@ const char* ACTION_PARTICLE_FONT = "particle font";
 const char* ACTION_HELP_FONT = "help font";
 const char* ACTION_SECURE_FONT = "secure font";
 const char* ACTION_JAPAN_FONT = "japan font";
+const char* ACTION_INFO = "info";
 
 class ThemesModel final : public NamesModel
 {
@@ -194,7 +195,9 @@ Setup_Theme::Setup_Theme() :
     mNpcFontSizeListModel(new FontSizeChoiceListModel),
     mNpcFontSizeLabel(new Label(_("Npc font size"))),
     mNpcFontSize(config.getIntValue("npcfontSize")),
-    mNpcFontSizeDropDown(new DropDown(mNpcFontSizeListModel))
+    mNpcFontSizeDropDown(new DropDown(mNpcFontSizeListModel)),
+    // TRANSLATORS: button name with information about selected theme
+    mInfoButton(new Button(_("i"), ACTION_INFO, this))
 {
     setName(_("Theme"));
 
@@ -249,6 +252,8 @@ Setup_Theme::Setup_Theme() :
     mJapanFontDropDown->setSelectedString(getFileName(
         config.getStringValue("japanFont")));
 
+    updateInfo();
+
     // Do the layout
     LayoutHelper h(this);
     ContainerPlacer place = h.getPlacer(0, 0);
@@ -275,8 +280,7 @@ Setup_Theme::Setup_Theme() :
     place(6, 8, mSecureFontDropDown, 10);
     place(6, 9, mJapanFontDropDown, 10);
 
-    place.getCell().matchColWidth(0, 0);
-    place = h.getPlacer(0, 1);
+    place(17, 0, mInfoButton, 1);
 
     setDimension(gcn::Rectangle(0, 0, 365, 500));
 }
@@ -299,6 +303,22 @@ Setup_Theme::~Setup_Theme()
     mLangListModel = nullptr;
 }
 
+void Setup_Theme::updateInfo()
+{
+    ThemeInfo *info = Theme::loadInfo(mTheme);
+    if (info)
+    {
+        mThemeInfo = "Name: " + info->name
+            + "\nCopyright:\n" + info->copyright;
+    }
+    else
+    {
+        mThemeInfo = "";
+    }
+    replaceAll(mThemeInfo, "\\n", "\n");
+    delete info;
+}
+
 void Setup_Theme::action(const gcn::ActionEvent &event)
 {
     if (event.getId() == ACTION_THEME)
@@ -307,6 +327,7 @@ void Setup_Theme::action(const gcn::ActionEvent &event)
             mTheme = "";
         else
             mTheme = mThemeDropDown->getSelectedString();
+        updateInfo();
     }
     else if (event.getId() == ACTION_FONT)
     {
@@ -340,6 +361,11 @@ void Setup_Theme::action(const gcn::ActionEvent &event)
     {
         mJapanFont = mJapanFontDropDown->getSelectedString();
     }
+    else if (event.getId() == ACTION_INFO)
+    {
+        new OkDialog(_("Theme info"), mThemeInfo, DIALOG_OK,
+            false, true, nullptr, 600);
+    }
 }
 
 void Setup_Theme::cancel()
diff --git a/src/gui/setup_theme.h b/src/gui/setup_theme.h
index 9754b7915..2a0152035 100644
--- a/src/gui/setup_theme.h
+++ b/src/gui/setup_theme.h
@@ -27,6 +27,7 @@
 
 #include <guichan/actionlistener.hpp>
 
+class Button;
 class DropDown;
 class EditDialog;
 class FontsModel;
@@ -35,11 +36,6 @@ class Label;
 class LangListModel;
 class ThemesModel;
 
-namespace gcn
-{
-    class DropDown;
-}
-
 class Setup_Theme final : public SetupTab
 {
     public:
@@ -55,6 +51,8 @@ class Setup_Theme final : public SetupTab
 
         void action(const gcn::ActionEvent &event) override;
 
+        void updateInfo();
+
     private:
         Label *mThemeLabel;
         ThemesModel *mThemesModel;
@@ -102,6 +100,8 @@ class Setup_Theme final : public SetupTab
         int mNpcFontSize;
         DropDown *mNpcFontSizeDropDown;
 
+        Button *mInfoButton;
+        std::string mThemeInfo;
 //        EditDialog *mEditDialog;
 };
 
diff --git a/src/gui/theme.cpp b/src/gui/theme.cpp
index 4abf76eb6..9ecac247c 100644
--- a/src/gui/theme.cpp
+++ b/src/gui/theme.cpp
@@ -1031,3 +1031,35 @@ ImageSet *Theme::getImageSetFromThemeXml(const std::string &name,
     }
     return nullptr;
 }
+
+ThemeInfo *Theme::loadInfo(const std::string &themeName)
+{
+    std::string path;
+    if (themeName.empty())
+        path = "graphics/gui/info.xml";
+    else
+        path = defaultThemePath + themeName + "/info.xml";
+    logger->log("loading: " + path);
+    XML::Document doc(path);
+    const XmlNodePtr rootNode = doc.rootNode();
+
+    if (!rootNode || !xmlNameEqual(rootNode, "info"))
+        return nullptr;
+
+    ThemeInfo *info = new ThemeInfo();
+
+    for_each_xml_child_node(infoNode, rootNode)
+    {
+        if (xmlNameEqual(infoNode, "name"))
+        {
+            info->name = reinterpret_cast<const char*>(
+                xmlNodeGetContent(infoNode));
+        }
+        else if (xmlNameEqual(infoNode, "copyright"))
+        {
+            info->copyright = reinterpret_cast<const char*>(
+            xmlNodeGetContent(infoNode));
+        }
+    }
+    return info;
+}
diff --git a/src/gui/theme.h b/src/gui/theme.h
index 92ff6073b..680fe63bd 100644
--- a/src/gui/theme.h
+++ b/src/gui/theme.h
@@ -39,6 +39,12 @@ class Image;
 class ImageSet;
 class ProgressBar;
 
+struct ThemeInfo final
+{
+    std::string name;
+    std::string copyright;
+};
+
 class Skin final
 {
     public:
@@ -333,6 +339,8 @@ class Theme final : public Palette, public ConfigListener
         static Image *getImageFromThemeXml(const std::string &name,
                                            const std::string &name2);
 
+        static ThemeInfo *loadInfo(const std::string &themeName);
+
     private:
         Theme();