SelectionDialogs: improved search entry

src/selectiondialog.cc

@@ -15,7 +15,7 @@ namespace sigc {
 #endif
 }
 
-ListViewText::ListViewText(bool use_markup) : Gtk::TreeView(), use_markup(use_markup) {
+SelectionDialogBase::ListViewText::ListViewText(bool use_markup) : Gtk::TreeView(), use_markup(use_markup) {
   list_store = Gtk::ListStore::create(column_record);
   set_model(list_store);
   append_column("", cell_renderer);
@@ -33,12 +33,12 @@ ListViewText::ListViewText(bool use_markup) : Gtk::TreeView(), use_markup(use_ma
   set_rules_hint(true);
 }
 
-void ListViewText::append(const std::string& value) {
+void SelectionDialogBase::ListViewText::append(const std::string& value) {
   auto new_row=list_store->append();
   new_row->set_value(column_record.text, value);
 }
 
-void ListViewText::clear() {
+void SelectionDialogBase::ListViewText::clear() {
   unset_model();
   list_store.reset();
 }
@@ -261,21 +261,9 @@ bool SelectionDialog::on_key_press(GdkEventKey* key) {
     hide();
     return false;
   }
-  else if(key->keyval==GDK_KEY_BackSpace) {
+  else if(show_search_entry)
-    auto length=search_entry.get_text_length();
+    return search_entry.on_key_press_event(key);
-    if(length>0)
+  hide();
-      search_entry.delete_text(length-1, length);
-    return true;
-  }
-  else {
-    gunichar unicode=gdk_keyval_to_unicode(key->keyval);
-    if(unicode>=32 && unicode!=126) {
-      int length=search_entry.get_text_length();
-      auto ustr=Glib::ustring(1, unicode);
-      search_entry.insert_text(ustr, ustr.bytes(), length);
-      return true;
-    }
-  }
   return false;
 }
 

src/selectiondialog.h

@@ -4,6 +4,7 @@
 #include "gtkmm.h"
 #include <unordered_map>
 
+class SelectionDialogBase {
   class ListViewText : public Gtk::TreeView {
     class ColumnRecord : public Gtk::TreeModel::ColumnRecord {
     public:
@@ -23,7 +24,12 @@ private:
     Gtk::CellRendererText cell_renderer;
   };
   
-class SelectionDialogBase {
+  class SearchEntry : public Gtk::Entry {
+  public:
+    SearchEntry() : Gtk::Entry() {}
+    bool on_key_press_event(GdkEventKey *event) override { return Gtk::Entry::on_key_press_event(event); };
+  };
+  
 public:
   SelectionDialogBase(Gtk::TextView& text_view, Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark, bool show_search_entry, bool use_markup);
   ~SelectionDialogBase();
@@ -48,7 +54,7 @@ protected:
   Gtk::VBox vbox;
   Gtk::ScrolledWindow scrolled_window;
   ListViewText list_view_text;
-  Gtk::Entry search_entry;
+  SearchEntry search_entry;
   bool show_search_entry;
   
   std::string last_row;

tests/stubs/selectiondialog.cc

@@ -1,6 +1,6 @@
 #include "selectiondialog.h"
 
-ListViewText::ListViewText(bool use_markup) {}
+SelectionDialogBase::ListViewText::ListViewText(bool use_markup) {}
 
 SelectionDialogBase::SelectionDialogBase(Gtk::TextView& text_view, Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark, bool show_search_entry, bool use_markup):
   text_view(text_view), list_view_text(use_markup) {}