Make Ctrl+C copy selection into clipboard

Follows the behavior of so many other programs by copying the current
text selection into the clipboard with Ctrl+C. Selecting text continues
to copy it into the primary selection.

Fixes: https://github.com/dillo-browser/dillo/issues/228

3 files changed, 29 insertions, 5 deletions

diff --git a/dw/layout.hh b/dw/layout.hh
index 36f433b5..1794179c 100644
--- a/dw/layout.hh
+++ b/dw/layout.hh
@@ -438,6 +438,11 @@ public:
       platform->copySelection(text, destination);
    }
 
+   inline void copyCurrentSelection(int destination)
+   {
+      selectionState.copy(destination);
+   }
+
    inline ui::ResourceFactory *getResourceFactory ()
    {
       return platform->getResourceFactory ();
diff --git a/dw/selection.cc b/dw/selection.cc
index 899fad69..78cd23ce 100644
--- a/dw/selection.cc
+++ b/dw/selection.cc
@@ -198,7 +198,7 @@ bool SelectionState::buttonRelease (Iterator *it, int charPos, int linkNo,
          // nothing selected
          resetSelection ();
       else {
-         copy ();
+         copy (0);
          selectionState = SELECTED;
       }
    }
@@ -423,7 +423,7 @@ void SelectionState::highlight0 (bool fl, DeepIterator *from, int fromChar,
    }
 }
 
-void SelectionState::copy()
+void SelectionState::copy(int selection)
 {
    if (from && to) {
       Iterator *si;
@@ -495,7 +495,7 @@ void SelectionState::copy()
          delete i;
       }
 
-      layout->copySelection(strbuf.getChars(), 0);
+      layout->copySelection(strbuf.getChars(), selection);
    }
 }
 
diff --git a/dw/selection.hh b/dw/selection.hh
index d9d5af72..11ac96e6 100644
--- a/dw/selection.hh
+++ b/dw/selection.hh
@@ -1,3 +1,23 @@
+/*
+ * Dillo Widget
+ *
+ * Copyright 2005-2007 Sebastian Geerken <sgeerken@dillo.org>
+ * Copyright 2025 Rodrigo Arias Mallo <rodarima@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef __DW_SELECTION_H__
 #define __DW_SELECTION_H__
 
@@ -214,8 +234,6 @@ private:
 
    void highlight0 (bool fl, DeepIterator *from, int fromChar,
                     DeepIterator *to, int toChar, int dir);
-   void copy ();
-
 public:
    enum EventType { BUTTON_PRESS, BUTTON_RELEASE, BUTTON_MOTION };
 
@@ -224,6 +242,7 @@ public:
 
    inline void setLayout (Layout *layout) { this->layout = layout; }
    void reset ();
+   void copy (int selection);
    bool buttonPress (Iterator *it, int charPos, int linkNo,
                      EventButton *event);
    bool buttonRelease (Iterator *it, int charPos, int linkNo,