From df629db6c60554ca7237baeda7beb1a1b4d62d77 Mon Sep 17 00:00:00 2001
From: David Capello <davidcapello@gmail.com>
Date: Fri, 18 Sep 2015 12:23:02 -0300
Subject: [PATCH] Add "Theme" section in Preferences

---
 data/widgets/options.xml         | 13 +++++++++
 src/app/commands/cmd_options.cpp | 47 ++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)

diff --git a/data/widgets/options.xml b/data/widgets/options.xml
index 2a7f396f8..5f5fa10a4 100644
--- a/data/widgets/options.xml
+++ b/data/widgets/options.xml
@@ -11,6 +11,7 @@
           <listitem text="Timeline" value="section_timeline" />
           <listitem text="Grid &amp;&amp; Background" value="section_grid" />
           <listitem text="Undo" value="section_undo" />
+          <listitem text="Theme" value="section_theme" />
           <listitem text="Experimental" value="section_experimental" />
         </listbox>
       </view>
@@ -134,6 +135,18 @@
           </vbox>
         </vbox>
 
+        <!-- Theme -->
+        <vbox id="section_theme">
+          <separator text="Available Themes" horizontal="true" />
+          <view expansive="true" maxsize="true">
+            <listbox id="theme_list" />
+	  </view>
+          <hbox>
+	    <button id="select_theme" text="&amp;Select" width="60" />
+	    <boxfiller />
+          </hbox>
+        </vbox>
+
         <!-- Experimental -->
         <vbox id="section_experimental">
           <separator text="User Interface" horizontal="true" />
diff --git a/src/app/commands/cmd_options.cpp b/src/app/commands/cmd_options.cpp
index 7701eee59..22b6dea94 100644
--- a/src/app/commands/cmd_options.cpp
+++ b/src/app/commands/cmd_options.cpp
@@ -22,6 +22,7 @@
 #include "app/ui/color_button.h"
 #include "base/bind.h"
 #include "base/convert_to.h"
+#include "base/fs.h"
 #include "base/path.h"
 #include "doc/image.h"
 #include "render/render.h"
@@ -33,6 +34,8 @@
 
 namespace app {
 
+static const char* kSectionThemeId = "section_theme";
+
 using namespace ui;
 
 class OptionsWindow : public app::gen::Options {
@@ -151,6 +154,9 @@ public:
     undoGotoModified()->setSelected(m_preferences.undo.gotoModified());
     undoAllowNonlinearHistory()->setSelected(m_preferences.undo.allowNonlinearHistory());
 
+    // Theme buttons
+    selectTheme()->Click.connect(Bind<void>(&OptionsWindow::onSelectTheme, this));
+
     onChangeGridScope();
     sectionListbox()->selectIndex(m_curSection);
   }
@@ -249,6 +255,10 @@ private:
 
     panel()->showChild(findChild(item->getValue().c_str()));
     m_curSection = sectionListbox()->getSelectedIndex();
+
+    // Load themes
+    if (item->getValue() == kSectionThemeId)
+      loadThemes();
   }
 
   void onChangeGridScope() {
@@ -318,6 +328,43 @@ private:
     app::launcher::open_folder(app::main_config_filename());
   }
 
+  void loadThemes() {
+    // Themes already loaded
+    if (themeList()->getItemsCount() > 0)
+      return;
+
+    ResourceFinder rf;
+    rf.includeDataDir("skins");
+    std::string path = rf.defaultFilename();
+    for (auto& fn : base::list_files(path)) {
+      if (!base::is_directory(base::join_path(path, fn)))
+        continue;
+
+      ListItem* item = new ListItem(fn);
+      item->setValue(fn);
+      themeList()->addChild(item);
+
+      // Selected theme
+      if (fn == m_preferences.theme.selected())
+        themeList()->selectChild(item);
+    }
+
+    themeList()->sortItems();
+    themeList()->layout();
+  }
+
+  void onSelectTheme() {
+    ListItem* item = dynamic_cast<ListItem*>(themeList()->getSelectedChild());
+    if (item &&
+        item->getValue() != m_preferences.theme.selected()) {
+      m_preferences.theme.selected(item->getValue());
+
+      ui::Alert::show(PACKAGE
+                      "<<You must restart the program to see the selected theme"
+                      "||&OK");
+    }
+  }
+
   Preferences& m_preferences;
   DocumentPreferences& m_globPref;
   DocumentPreferences& m_docPref;