Middle-click on back or forward opens in new tab

Reviewed-by: Rodrigo Arias Mallo <rodarima@gmail.com>
See: https://lists.mailman3.com/hyperkitty/list/dillo-dev@mailman3.com/thread/XXD2NXCGQLZLJ3V57NCPU3327DAEFKAN/

7 files changed, 54 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index ed493a55..e45c8c43 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@ dillo-3.3.0 [Unreleased]
  - Add about:keys to display current keyboard shortcuts.
  - Control + left click opens links in new tab (emulates mouse middle button).
    Patches: Rodrigo Arias Mallo
++- Middle click on back or forward button opens page in new tab.
+   Patches: Alex
 
 dillo-3.2.0 [Jan 18, 2025]
 
diff --git a/doc/user_help.in.html b/doc/user_help.in.html
index b7c9c5a6..9fba7770 100644
--- a/doc/user_help.in.html
+++ b/doc/user_help.in.html
@@ -294,7 +294,8 @@ bar to navigate among history pages.
 <p>
 When you follow several links across different web pages, they are remembered in
 case you can to go back. Use the "Back" and "Forward" buttons of the panel to go
-to the previous or next page.
+to the previous or next page. Click with the left button to open the page in the
+same tab or use the middle button to open it in a new tab.
 <p>
 You can also right-click on the Back or Forward buttons to open a menu with the
 list of previous or next pages available, so you can jump directly to them. Use
diff --git a/src/nav.c b/src/nav.c
index 7b620b66..7814ae22 100644
--- a/src/nav.c
+++ b/src/nav.c
@@ -447,6 +447,19 @@ void a_Nav_back(BrowserWindow *bw)
 }
 
 /*
+ * Send the browser back to previous page in new tab
+ */
+void a_Nav_back_nt(BrowserWindow *bw)
+{
+   int idx = a_Nav_stack_ptr(bw);
+
+   if (--idx >= 0){
+      a_UIcmd_set_msg(bw, "");
+      a_UIcmd_open_url_nt(bw, a_History_get_url(NAV_UIDX(bw, idx)), -1);
+   }
+}
+
+/*
  * Send the browser to next page in the history list
  */
 void a_Nav_forw(BrowserWindow *bw)
@@ -461,6 +474,19 @@ void a_Nav_forw(BrowserWindow *bw)
 }
 
 /*
+ * Send the browser to next page in the history list in new tab
+ */
+void a_Nav_forw_nt(BrowserWindow *bw)
+{
+   int idx = a_Nav_stack_ptr(bw);
+
+   if (++idx < a_Nav_stack_size(bw)) {
+      a_UIcmd_set_msg(bw, "");
+      a_UIcmd_open_url_nt(bw, a_History_get_url(NAV_UIDX(bw, idx)), +1);
+   }
+}
+
+/*
  * Redirect the browser to the HOME page!
  */
 void a_Nav_home(BrowserWindow *bw)
diff --git a/src/nav.h b/src/nav.h
index 2bec7e32..e9c03438 100644
--- a/src/nav.h
+++ b/src/nav.h
@@ -18,7 +18,9 @@ void a_Nav_push(BrowserWindow *bw, const DilloUrl *url,
                 const DilloUrl *requester);
 void a_Nav_repush(BrowserWindow *bw);
 void a_Nav_back(BrowserWindow *bw);
+void a_Nav_back_nt(BrowserWindow *bw);
 void a_Nav_forw(BrowserWindow *bw);
+void a_Nav_forw_nt(BrowserWindow *bw);
 void a_Nav_home(BrowserWindow *bw);
 void a_Nav_reload(BrowserWindow *bw);
 void a_Nav_jump(BrowserWindow *bw, int offset, int new_bw);
diff --git a/src/ui.cc b/src/ui.cc
index 2f05c811..c5870b04 100644
--- a/src/ui.cc
+++ b/src/ui.cc
@@ -312,6 +312,8 @@ static void b1_cb(Fl_Widget *wid, void *cb_data)
    case UI_BACK:
       if (b == FL_LEFT_MOUSE) {
          a_UIcmd_back(a_UIcmd_get_bw_by_widget(wid));
+      } else if (b == FL_MIDDLE_MOUSE) {
+         a_UIcmd_back_nt(a_UIcmd_get_bw_by_widget(wid));
       } else if (b == FL_RIGHT_MOUSE) {
          a_UIcmd_back_popup(a_UIcmd_get_bw_by_widget(wid), wid->x(),
                             wid->y() + wid->h());
@@ -320,6 +322,8 @@ static void b1_cb(Fl_Widget *wid, void *cb_data)
    case UI_FORW:
       if (b == FL_LEFT_MOUSE) {
          a_UIcmd_forw(a_UIcmd_get_bw_by_widget(wid));
+      } else if (b == FL_MIDDLE_MOUSE) {
+         a_UIcmd_forw_nt(a_UIcmd_get_bw_by_widget(wid));
       } else if (b == FL_RIGHT_MOUSE) {
          a_UIcmd_forw_popup(a_UIcmd_get_bw_by_widget(wid), wid->x(),
                             wid->y() + wid->h());
diff --git a/src/uicmd.cc b/src/uicmd.cc
index 60381867..15207408 100644
--- a/src/uicmd.cc
+++ b/src/uicmd.cc
@@ -868,6 +868,14 @@ void a_UIcmd_back(void *vbw)
 }
 
 /*
+ * Send the browser back to previous page in a new tab
+ */
+void a_UIcmd_back_nt(void *vbw)
+{
+   a_Nav_back_nt((BrowserWindow*)vbw);
+}
+
+/*
  * Popup the navigation menu of the Back button
  */
 void a_UIcmd_back_popup(void *vbw, int x, int y)
@@ -884,6 +892,14 @@ void a_UIcmd_forw(void *vbw)
 }
 
 /*
+ * Send the browser to next page in the history list in new tab
+ */
+void a_UIcmd_forw_nt(void *vbw)
+{
+   a_Nav_forw_nt((BrowserWindow*)vbw);
+}
+
+/*
  * Popup the navigation menu of the Forward button
  */
 void a_UIcmd_forw_popup(void *vbw, int x, int y)
diff --git a/src/uicmd.hh b/src/uicmd.hh
index fe72486a..1343a4a9 100644
--- a/src/uicmd.hh
+++ b/src/uicmd.hh
@@ -29,8 +29,10 @@ void a_UIcmd_open_url(BrowserWindow *bw, const DilloUrl *url);
 void a_UIcmd_open_url_nw(BrowserWindow *bw, const DilloUrl *url);
 void a_UIcmd_open_url_nt(void *vbw, const DilloUrl *url, int focus);
 void a_UIcmd_back(void *vbw);
+void a_UIcmd_back_nt(void *vbw);
 void a_UIcmd_back_popup(void *vbw, int x, int y);
 void a_UIcmd_forw(void *vbw);
+void a_UIcmd_forw_nt(void *vbw);
 void a_UIcmd_forw_popup(void *vbw, int x, int y);
 void a_UIcmd_home(void *vbw);
 void a_UIcmd_zoom_in(void *vbw);