vcl/inc/unx/gtk/gtkframe.hxx | 6 ++
vcl/unx/gtk3/gtkframe.cxx | 98 ++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 103 insertions(+), 1 deletion(-)
New commits:
commit 8167859a27ecaf37565ebafd004476fd59f32701
Author: Caolán McNamara <caol...@redhat.com>
AuthorDate: Thu May 19 10:35:38 2022 +0100
Commit: Caolán McNamara <caol...@redhat.com>
CommitDate: Thu May 19 16:57:36 2022 +0200
follow org.freedesktop.appearance.color-scheme setting
Change-Id: Id26d01fd19cc3ee12c0e14b785b3a5149d22baf5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/134553
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caol...@redhat.com>
diff --git a/vcl/inc/unx/gtk/gtkframe.hxx b/vcl/inc/unx/gtk/gtkframe.hxx
index ced3613ad0ca..c90afbdee899 100644
--- a/vcl/inc/unx/gtk/gtkframe.hxx
+++ b/vcl/inc/unx/gtk/gtkframe.hxx
@@ -185,6 +185,8 @@ class GtkSalFrame final : public SalFrame
GtkEventControllerKey* m_pKeyController;
gulong m_nSettingChangedSignalId;
#endif
+ gulong m_nPortalSettingChangedSignalId;
+ GDBusProxy* m_pSettingsPortal;
#if !GTK_CHECK_VERSION(4, 0, 0)
GdkWindow* m_pForeignParent;
GdkNativeWindow m_aForeignParentWindow;
@@ -412,6 +414,8 @@ class GtkSalFrame final : public SalFrame
bool HandleMenubarMnemonic(guint eState, guint nKeyval);
+ void ListenPortalSettings();
+
public:
cairo_surface_t* m_pSurface;
basegfx::B2IVector m_aFrameSize;
@@ -633,6 +637,8 @@ public:
const cairo_font_options_t* get_font_options();
+ void SetColorScheme(GVariant* variant);
+
void DisallowCycleFocusOut();
bool IsCycleFocusOutDisallowed() const;
void AllowCycleFocusOut();
diff --git a/vcl/unx/gtk3/gtkframe.cxx b/vcl/unx/gtk3/gtkframe.cxx
index 9037b9eaf915..80f235d10642 100644
--- a/vcl/unx/gtk3/gtkframe.cxx
+++ b/vcl/unx/gtk3/gtkframe.cxx
@@ -699,8 +699,14 @@ GtkSalFrame::~GtkSalFrame()
{
SolarMutexGuard aGuard;
- if(m_nWatcherId)
+ if (m_nWatcherId)
g_bus_unwatch_name(m_nWatcherId);
+
+ if (m_nPortalSettingChangedSignalId)
+ g_signal_handler_disconnect(m_pSettingsPortal,
m_nPortalSettingChangedSignalId);
+
+ if (m_pSettingsPortal)
+ g_object_unref(m_pSettingsPortal);
}
GtkWidget *pEventWidget = getMouseEventWidget();
@@ -901,6 +907,8 @@ void GtkSalFrame::InitCommon()
m_pSurface = nullptr;
m_nGrabLevel = 0;
m_bSalObjectSetPosSize = false;
+ m_nPortalSettingChangedSignalId = 0;
+ m_pSettingsPortal = nullptr;
m_aDamageHandler.handle = this;
m_aDamageHandler.damaged = ::damaged;
@@ -1244,6 +1252,91 @@ void GtkSalFrame::AllowCycleFocusOut()
#endif
}
+namespace
+{
+ enum ColorScheme
+ {
+ DEFAULT,
+ PREFER_DARK,
+ PREFER_LIGHT
+ };
+
+ bool ReadColorScheme(GDBusProxy* proxy, GVariant** out)
+ {
+ g_autoptr (GVariant) ret =
+ g_dbus_proxy_call_sync(proxy, "Read",
+ g_variant_new ("(ss)",
"org.freedesktop.appearance", "color-scheme"),
+ G_DBUS_CALL_FLAGS_NONE, G_MAXINT, nullptr,
nullptr);
+ if (!ret)
+ return false;
+
+ g_autoptr (GVariant) child = nullptr;
+ g_variant_get(ret, "(v)", &child);
+ g_variant_get(child, "v", out);
+
+ return true;
+ }
+}
+
+void GtkSalFrame::SetColorScheme(GVariant* variant)
+{
+ if (!m_pWindow)
+ return;
+
+ guint32 color_scheme = g_variant_get_uint32(variant);
+ if (color_scheme > PREFER_LIGHT)
+ color_scheme = DEFAULT;
+
+ bool bDarkIconTheme(color_scheme == PREFER_DARK);
+ GtkSettings* pSettings = gtk_widget_get_settings(m_pWindow);
+ g_object_set(pSettings, "gtk-application-prefer-dark-theme",
bDarkIconTheme, nullptr);
+}
+
+static void settings_portal_changed_cb(GDBusProxy*, const char*, const char*
signal_name,
+ GVariant* parameters, gpointer frame)
+{
+ if (g_strcmp0(signal_name, "SettingChanged"))
+ return;
+
+ g_autoptr (GVariant) value = nullptr;
+ const char *name_space;
+ const char *name;
+ g_variant_get(parameters, "(&s&sv)", &name_space, &name, &value);
+
+ if (g_strcmp0(name_space, "org.freedesktop.appearance") ||
+ g_strcmp0(name, "color-scheme"))
+ return;
+
+ GtkSalFrame* pThis = static_cast<GtkSalFrame*>(frame);
+ pThis->SetColorScheme(value);
+}
+
+void GtkSalFrame::ListenPortalSettings()
+{
+ EnsureSessionBus();
+
+ if (!pSessionBus)
+ return;
+
+ m_pSettingsPortal = g_dbus_proxy_new_sync(pSessionBus,
+ G_DBUS_PROXY_FLAGS_NONE,
+ nullptr,
+ "org.freedesktop.portal.Desktop",
+
"/org/freedesktop/portal/desktop",
+
"org.freedesktop.portal.Settings",
+ nullptr,
+ nullptr);
+ if (!m_pSettingsPortal)
+ return;
+
+ g_autoptr (GVariant) value = nullptr;
+
+ if (!ReadColorScheme(m_pSettingsPortal, &value))
+ return;
+
+ SetColorScheme(value);
+ m_nPortalSettingChangedSignalId = g_signal_connect(m_pSettingsPortal,
"g-signal", G_CALLBACK(settings_portal_changed_cb), this);
+}
void GtkSalFrame::Init( SalFrame* pParent, SalFrameStyleFlags nStyle )
{
@@ -1404,6 +1497,9 @@ void GtkSalFrame::Init( SalFrame* pParent,
SalFrameStyleFlags nStyle )
{
// Enable GMenuModel native menu
attach_menu_model(this);
+
+ // Listen to portal settings for e.g. prefer dark theme
+ ListenPortalSettings();
}
}
