1 files changed, 106 insertions, 0 deletions
diff --git a/src/frontend/displaywindow/bttextwindowheaderwidget.h b/src/frontend/displaywindow/bttextwindowheaderwidget.h
new file mode 100644
index 0000000..2b5379e
--- /dev/null
+++ b/src/frontend/displaywindow/bttextwindowheaderwidget.h
@@ -0,0 +1,106 @@
+/*********
+*
+* This file is part of BibleTime's source code, http://www.bibletime.info/.
+*
+* Copyright 1999-2008 by the BibleTime developers.
+* The BibleTime source code is licensed under the GNU General Public License version 2.0.
+*
+**********/
+
+#ifndef BT_MODULECHOOSERHEADERWIDGET
+#define BT_MODULECHOOSERHEADERWIDGET
+
+#include <QString>
+#include <QWidget>
+#include <QList>
+
+#include "backend/btmoduletreeitem.h"
+#include "backend/drivers/cswordmoduleinfo.h"
+
+class BtTextWindowHeader;
+class QMenu;
+class QAction;
+class QLabel;
+class QToolButton;
+class QFrame;
+
+/**
+* A widget for choosing a module in a window. Consists of a label and a button.
+* When user selects a module,
+* button sends a signal. This widget needs to get a message back after a window
+* module list has been changed. Only then it will be updated.
+* See BtTextWindowHeader.
+*/
+class BtTextWindowHeaderWidget : public QWidget {
+        Q_OBJECT
+
+    public:
+        /** For internal use to mark the menu items */
+        enum TypeOfAction {RemoveAction, AddAction, ReplaceAction};
+
+        /** Filter out modules of wrong type from buttons module list.
+        * See populateMenu() and BTModuleTreeItem. */
+        struct TypeFilter : public BTModuleTreeItem::Filter {
+            TypeFilter(CSwordModuleInfo::ModuleType t) {
+                m_mType = t;
+            }
+            bool filter(CSwordModuleInfo* mi) {
+                return ((mi->type() == m_mType) && !mi->isLocked());
+            }
+            CSwordModuleInfo::ModuleType m_mType;
+        };
+
+        /**
+        * A new empty widget. updateMenu() is needed to update the label, menu items etc.
+        */
+        BtTextWindowHeaderWidget(BtTextWindowHeader *parent, CSwordModuleInfo::ModuleType mtype);
+        /** Does nothing. All resources are freed and children deleted automatically.*/
+        ~BtTextWindowHeaderWidget();
+
+    public:
+        /**
+        * Called after the window module list has changed. Updates the module name and
+        * the existing menu items but doesn't add or remove them if the menu exists.
+        * If the menu doesn't exist, creates it first and then updates it.
+        */
+        void updateWidget(QStringList newModulesToUse, QString thisModule, int newIndex);
+
+        /** Creates the menu from scratch and updates the items using updateMenu().*/
+        void recreateWidget(QStringList newModulesToUse, QString thisModule, int newIndex);
+
+    signals:
+        /** User selected a module from menu to replace an existing module.*/
+        void sigModuleReplace ( int index, QString newModule );
+        /** User selected a module from menu to add. */
+        void sigModuleAdd ( int index, QString module );
+        /** User selected a module from menu to be removed. */
+        void sigModuleRemove ( int index );
+
+    private slots:
+        /** Handle the action signal from the menu.*/
+        void moduleChosen(QAction* action );
+
+    private:
+
+        /**
+        * Populates the menu with language submenus and module items without setting
+        * their states.
+        */
+        void populateMenu();
+        /** Adds items to the menu recursively. */
+        void addItemToMenu(BTModuleTreeItem* item, QMenu* menu, TypeOfAction actionType);
+
+    private:
+
+        int m_id;
+        QAction* m_removeAction;
+        CSwordModuleInfo::ModuleType m_moduleType;
+        QString m_module;
+        QLabel* m_label;
+        QToolButton* m_button;
+        QFrame* m_separator;
+        QMenu* m_popup;
+        QList<QMenu*> m_submenus;
+};
+
+#endif