Add link label in Options dialog to locate the configuration file

data/widgets/options.xml

@@ -70,7 +70,8 @@
     <separator horizontal="true" />
 
     <box horizontal="true">
-      <box horizontal="true" expansive="true" />
+      <link id="locate_file" text="Locate File" />
+      <boxfiller />
       <box horizontal="true" homogeneous="true">
         <button text="&amp;OK" closewindow="true" id="button_ok" magnet="true" width="60" />
         <button text="&amp;Cancel" closewindow="true" />

src/app/commands/cmd_options.cpp

@@ -25,6 +25,7 @@
 #include "app/context.h"
 #include "app/find_widget.h"
 #include "app/ini_file.h"
+#include "app/launcher.h"
 #include "app/load_widget.h"
 #include "app/modules/editors.h"
 #include "app/modules/gui.h"
@@ -51,6 +52,7 @@ protected:
 
 private:
   void onResetCheckedBg();
+  void onLocateConfigFile();
 
   ComboBox* m_checked_bg;
   Widget* m_checked_bg_zoom;
@@ -83,6 +85,7 @@ void OptionsCommand::onExecute(Context* context)
   Widget* undo_size_limit = app::find_widget<Widget>(window, "undo_size_limit");
   Widget* undo_goto_modified = app::find_widget<Widget>(window, "undo_goto_modified");
   ComboBox* screen_scale = app::find_widget<ComboBox>(window, "screen_scale");
+  LinkLabel* locate_file = app::find_widget<LinkLabel>(window, "locate_file");
   Widget* button_ok = app::find_widget<Widget>(window, "button_ok");
 
   // Cursor color
@@ -142,6 +145,9 @@ void OptionsCommand::onExecute(Context* context)
   // Reset button
   checked_bg_reset->Click.connect(Bind<void>(&OptionsCommand::onResetCheckedBg, this));
 
+  // Locate config file
+  locate_file->Click.connect(Bind<void>(&OptionsCommand::onLocateConfigFile, this));
+
   // Undo limit
   undo_size_limit->setTextf("%d", get_config_int("Options", "UndoSizeLimit", 8));
 
@@ -197,6 +203,11 @@ void OptionsCommand::onResetCheckedBg()
   m_checked_bg_color2->setColor(app::Color::fromRgb(192, 192, 192));
 }
 
+void OptionsCommand::onLocateConfigFile()
+{
+  app::launcher::open_folder(app::get_config_file());
+}
+
 Command* CommandFactory::createOptionsCommand()
 {
   return new OptionsCommand;

src/app/ini_file.cpp

@@ -33,6 +33,8 @@ namespace app {
 
 using namespace gfx;
 
+static std::string g_configFilename;
+
 ConfigModule::ConfigModule()
 {
   ResourceFinder rf;
@@ -50,6 +52,7 @@ ConfigModule::ConfigModule()
     config_filename = rf.filename();
 
   override_config_file(config_filename.c_str());
+  g_configFilename = config_filename;
 }
 
 ConfigModule::~ConfigModule()
@@ -58,6 +61,11 @@ ConfigModule::~ConfigModule()
   flush_config_file();
 }
 
+std::string get_config_file()
+{
+  return g_configFilename;
+}
+
 bool get_config_bool(const char *section, const char *name, bool value)
 {
   const char *got = get_config_string(section, name, value ? "yes": "no");

src/app/ini_file.h

@@ -32,6 +32,8 @@ namespace app {
     ~ConfigModule();
   };
 
+  std::string get_config_file();
+
   bool get_config_bool(const char *section, const char *name, bool value);
   void set_config_bool(const char *section, const char *name, bool value);
 

src/app/widget_loader.cpp

@@ -278,6 +278,23 @@ Widget* WidgetLoader::convertXmlElementToWidget(const TiXmlElement* elem, Widget
                         (bottom ? JI_BOTTOM: JI_MIDDLE)));
     }
   }
+  /* link */
+  else if (elem_name == "link") {
+    const char* text = elem->Attribute("text");
+    const char* url = elem->Attribute("url");
+
+    widget = new LinkLabel(url ? url: "", text ? TRANSLATE_ATTR(text): "");
+    if (widget) {
+      bool center = bool_attr_is_true(elem, "center");
+      bool right  = bool_attr_is_true(elem, "right");
+      bool top    = bool_attr_is_true(elem, "top");
+      bool bottom = bool_attr_is_true(elem, "bottom");
+
+      widget->setAlign(
+        (center ? JI_CENTER: (right ? JI_RIGHT: JI_LEFT)) |
+        (top    ? JI_TOP: (bottom ? JI_BOTTOM: JI_MIDDLE)));
+    }
+  }
   /* listbox */
   else if (elem_name == "listbox") {
     widget = new ListBox();