From: Jindřich Makovička <[email protected]>

- Compile the GTK clipboard support unconditionally

- Introduce GTK clipboard option, defaulting to off

Signed-off-by: Jindrich Makovicka <[email protected]>
Reviewed-by: Marc-André Lureau <[email protected]>
Reviewed-by: Daniel P. Berrangé <[email protected]>
Message-ID: <[email protected]>
---
 meson.build                   | 4 ----
 qapi/ui.json                  | 6 +++++-
 ui/gtk.c                      | 8 +++++---
 meson_options.txt             | 7 -------
 qemu-options.hx               | 9 ++++++---
 scripts/meson-buildoptions.sh | 3 ---
 ui/meson.build                | 4 +---
 7 files changed, 17 insertions(+), 24 deletions(-)

diff --git a/meson.build b/meson.build
index 7d25b1ec7ef..4176d020c21 100644
--- a/meson.build
+++ b/meson.build
@@ -1932,7 +1932,6 @@ endif
 gtk = not_found
 gtkx11 = not_found
 vte = not_found
-have_gtk_clipboard = get_option('gtk_clipboard').enabled()
 
 if get_option('gtk') \
              .disable_auto_if(not have_system) \
@@ -1954,8 +1953,6 @@ if get_option('gtk') \
                        method: 'pkg-config',
                        required: get_option('vte'))
     endif
-  elif have_gtk_clipboard
-    error('GTK clipboard requested, but GTK not found')
   endif
 endif
 
@@ -2475,7 +2472,6 @@ if glusterfs.found()
 endif
 config_host_data.set('CONFIG_GTK', gtk.found())
 config_host_data.set('CONFIG_VTE', vte.found())
-config_host_data.set('CONFIG_GTK_CLIPBOARD', have_gtk_clipboard)
 config_host_data.set('CONFIG_HEXAGON_IDEF_PARSER', 
get_option('hexagon_idef_parser'))
 config_host_data.set('CONFIG_LIBATTR', have_old_libattr)
 config_host_data.set('CONFIG_LIBCAP_NG', libcap_ng.found())
diff --git a/qapi/ui.json b/qapi/ui.json
index e3da77632a8..b2c42a7f578 100644
--- a/qapi/ui.json
+++ b/qapi/ui.json
@@ -1319,6 +1319,9 @@
 #
 # GTK display options.
 #
+# @clipboard: Enable host-guest clipboard sharing.  Defaults to "off".
+#     (Since 11.1)
+#
 # @grab-on-hover: Grab keyboard input on mouse hover.
 #
 # @zoom-to-fit: Zoom guest display to fit into the host window.  When
@@ -1344,7 +1347,8 @@
 # Since: 2.12
 ##
 { 'struct'  : 'DisplayGTK',
-  'data'    : { '*grab-on-hover'     : 'bool',
+  'data'    : { '*clipboard'         : 'bool',
+                '*grab-on-hover'     : 'bool',
                 '*zoom-to-fit'       : 'bool',
                 '*show-tabs'         : 'bool',
                 '*show-menubar'      : 'bool',
diff --git a/ui/gtk.c b/ui/gtk.c
index 8fd39c90c29..ec95f0f294a 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -2601,9 +2601,11 @@ static void gtk_display_init(DisplayState *ds, 
DisplayOptions *opts)
         opts->u.gtk.show_tabs) {
         gtk_menu_item_activate(GTK_MENU_ITEM(s->show_tabs_item));
     }
-#ifdef CONFIG_GTK_CLIPBOARD
-    gd_clipboard_init(s);
-#endif /* CONFIG_GTK_CLIPBOARD */
+
+    if (opts->u.gtk.has_clipboard &&
+        opts->u.gtk.clipboard) {
+        gd_clipboard_init(s);
+    }
 
     /* GTK's event polling must happen on the main thread. */
     qemu_main = NULL;
diff --git a/meson_options.txt b/meson_options.txt
index 31d5916cfce..286461129bd 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -262,13 +262,6 @@ option('vnc_sasl', type : 'feature', value : 'auto',
        description: 'SASL authentication for VNC server')
 option('vte', type : 'feature', value : 'auto',
        description: 'vte support for the gtk UI')
-
-# GTK Clipboard implementation is disabled by default, since it may cause hangs
-# of the guest VCPUs. See gitlab issue 1150:
-# https://gitlab.com/qemu-project/qemu/-/issues/1150
-
-option('gtk_clipboard', type: 'feature', value : 'disabled',
-       description: 'clipboard support for the gtk UI (EXPERIMENTAL, MAY 
HANG)')
 option('xkbcommon', type : 'feature', value : 'auto',
        description: 'xkbcommon support')
 option('zstd', type : 'feature', value : 'auto',
diff --git a/qemu-options.hx b/qemu-options.hx
index 21972f83268..e780bc2ac06 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2209,9 +2209,9 @@ DEF("display", HAS_ARG, QEMU_OPTION_display,
     "            [,window-close=on|off]\n"
 #endif
 #if defined(CONFIG_GTK)
-    "-display gtk[,full-screen=on|off][,gl=on|off][,grab-on-hover=on|off]\n"
-    "            
[,show-tabs=on|off][,show-cursor=on|off][,window-close=on|off]\n"
-    "            [,show-menubar=on|off][,zoom-to-fit=on|off]\n"
+    "-display gtk[,clipboard=on|off][,full-screen=on|off][,gl=on|off]\n"
+    "            
[,grab-on-hover=on|off][,show-tabs=on|off][,show-cursor=on|off]\n"
+    "            
[,window-close=on|off][,show-menubar=on|off][,zoom-to-fit=on|off]\n"
 #endif
 #if defined(CONFIG_VNC)
     "-display vnc=<display>[,<optargs>]\n"
@@ -2295,6 +2295,9 @@ SRST
         drop-down menus and other UI elements to configure and control
         the VM during runtime. Valid parameters are:
 
+        ``clipboard=on|off`` : Enable host-guest clipboard sharing,
+                               defaults to "off"
+
         ``full-screen=on|off`` : Start in fullscreen mode
 
         ``gl=on|off`` : Use OpenGL for displaying
diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh
index ca5b113119a..80de8c4af42 100644
--- a/scripts/meson-buildoptions.sh
+++ b/scripts/meson-buildoptions.sh
@@ -124,7 +124,6 @@ meson_options_help() {
   printf "%s\n" '  glusterfs       Glusterfs block device driver'
   printf "%s\n" '  gnutls          GNUTLS cryptography support'
   printf "%s\n" '  gtk             GTK+ user interface'
-  printf "%s\n" '  gtk-clipboard   clipboard support for the gtk UI 
(EXPERIMENTAL, MAY HANG)'
   printf "%s\n" '  guest-agent     Build QEMU Guest Agent'
   printf "%s\n" '  guest-agent-msi Build MSI package for the QEMU Guest Agent'
   printf "%s\n" '  hv-balloon      hv-balloon driver (requires Glib 2.68+ 
GTree API)'
@@ -336,8 +335,6 @@ _meson_option_parse() {
     --disable-gnutls) printf "%s" -Dgnutls=disabled ;;
     --enable-gtk) printf "%s" -Dgtk=enabled ;;
     --disable-gtk) printf "%s" -Dgtk=disabled ;;
-    --enable-gtk-clipboard) printf "%s" -Dgtk_clipboard=enabled ;;
-    --disable-gtk-clipboard) printf "%s" -Dgtk_clipboard=disabled ;;
     --enable-guest-agent) printf "%s" -Dguest_agent=enabled ;;
     --disable-guest-agent) printf "%s" -Dguest_agent=disabled ;;
     --enable-guest-agent-msi) printf "%s" -Dguest_agent_msi=enabled ;;
diff --git a/ui/meson.build b/ui/meson.build
index 3d15ff96287..ceaf110683d 100644
--- a/ui/meson.build
+++ b/ui/meson.build
@@ -112,9 +112,7 @@ if gtk.found()
 
   gtk_ss = ss.source_set()
   gtk_ss.add(gtk, vte, pixman, files('gtk.c'))
-  if have_gtk_clipboard
-    gtk_ss.add(files('gtk-clipboard.c'))
-  endif
+  gtk_ss.add(files('gtk-clipboard.c'))
   gtk_ss.add(when: x11, if_true: files('x_keymap.c'))
   gtk_ss.add(when: opengl, if_true: files('gtk-gl-area.c'))
   gtk_ss.add(when: [x11, opengl], if_true: files('gtk-egl.c'))
-- 
2.54.0


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