kgreeter: use Plasma default theme wallpaper and rectangle image by default

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

kgreeter/CMakeLists.txt

@@ -8,9 +8,8 @@ set_package_properties(GLIB2 PROPERTIES
     PURPOSE "Needed for the LightDM greeter"
 )
 
-add_subdirectory(kcm)
-
 include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
     ${LIGHTDM_INCLUDE_DIR}
     ${GLIB2_INCLUDE_DIR}
 )
@@ -24,6 +23,7 @@ target_link_libraries(lightdm-kgreeter-greeter
     ${QT_QTCORE_LIBRARY}
     ${QT_QTGUI_LIBRARY}
     ${KDE4_KDEUI_LIBS}
+    ${KDE4_PLASMA_LIBS}
     ${LIGHTDM_LIBRARIES}
     ${GLIB2_LIBRARIES}
 )
@@ -47,3 +47,10 @@ install(
     FILES lightdm-kgreeter-greeter.desktop
     DESTINATION ${KDE4_SHARE_INSTALL_PREFIX}/xgreeters
 )
+
+add_subdirectory(kcm)
+
+install(
+    FILES data/rectangle.png
+    DESTINATION ${KDE4_DATA_INSTALL_DIR}/kgreeter
+)

kgreeter/kcm/CMakeLists.txt

@@ -10,7 +10,7 @@ kde4_add_plugin(kcm_kgreeterconfig ${kgreeterconfig_SRCS})
 target_link_libraries(kcm_kgreeterconfig
     ${KDE4_KDEUI_LIBS}
     ${KDE4_KCMUTILS_LIBS}
-    ${KDE4_KIO_LIBS}
+    ${KDE4_PLASMA_LIBS}
 )
 
 install(

kgreeter/kcm/kgreeterconfig.cpp

@@ -17,6 +17,7 @@
 */
 
 #include "kgreeterconfig.h"
+#include "kgreeter.h"
 
 #include <QSettings>
 #include <QStyleFactory>
@@ -115,25 +116,17 @@ void KCMGreeter::load()
     const QString kgreeterfontstring = kgreetersettings.value("greeter/font").toString();
     QFont kgreeterfont;
     if (!kgreeterfont.fromString(kgreeterfontstring)) {
-        kgreeterfont = KGlobalSettings::generalFont();
+        kgreeterfont = KGreeterDefaultFont();
     }
     fontchooser->setFont(kgreeterfont);
 
+    const QString kgreeterstyle = kgreetersettings.value("greeter/style", KGreeterDefaultStyle()).toString();
     for (int i = 0; i < stylesbox->count(); i++) {
-        if (stylesbox->itemData(i).toString().toLower() == KStyle::defaultStyle().toLower()) {
+        if (stylesbox->itemData(i).toString().toLower() == kgreeterstyle.toLower()) {
             stylesbox->setCurrentIndex(i);
             break;
         }
     }
-    const QString kgreeterstyle = kgreetersettings.value("greeter/style").toString();
-    if (!kgreeterstyle.isEmpty()) {
-        for (int i = 0; i < stylesbox->count(); i++) {
-            if (stylesbox->itemData(i).toString().toLower() == kgreeterstyle.toLower()) {
-                stylesbox->setCurrentIndex(i);
-                break;
-            }
-        }
-    }
 
     colorsbox->setCurrentIndex(0); // default
     const QString kgreetercolor = kgreetersettings.value("greeter/colorscheme").toString();
@@ -146,10 +139,10 @@ void KCMGreeter::load()
         }
     }
 
-    const QString kgreeterbackground = kgreetersettings.value("greeter/background").toString();
+    const QString kgreeterbackground = kgreetersettings.value("greeter/background", KGreeterDefaultBackground()).toString();
     backgroundrequester->setUrl(KUrl(kgreeterbackground));
 
-    const QString kgreeterrectangle = kgreetersettings.value("greeter/rectangle").toString();
+    const QString kgreeterrectangle = kgreetersettings.value("greeter/rectangle", KGreeterDefaultRectangle()).toString();
     rectanglerequester->setUrl(KUrl(kgreeterrectangle));
 
     enableTest(true);

kgreeter/kgreeter.cpp

@@ -23,7 +23,6 @@
 #include <QPainter>
 #include <KMessageBox>
 #include <KIcon>
-#include <KStyle>
 #include <KStandardDirs>
 #include <KGlobalSettings>
 #include <KSharedConfig>
@@ -32,6 +31,7 @@
 #include <glib.h>
 #include <lightdm-gobject-1/lightdm.h>
 
+#include "kgreeter.h"
 #include "ui_kgreeter.h"
 #include "config-workspace.h"
 
@@ -103,8 +103,8 @@ KGreeter::KGreeter(QWidget *parent)
 
     m_ui.setupUi(this);
 
-    m_background = QImage(kgreetersettings.value("greeter/background").toString());
-    m_rectangle = QImage(kgreetersettings.value("greeter/rectangle").toString());
+    m_background = QImage(kgreetersettings.value("greeter/background", KGreeterDefaultBackground()).toString());
+    m_rectangle = QImage(kgreetersettings.value("greeter/rectangle", KGreeterDefaultRectangle()).toString());
 
     m_ldmgreeter = lightdm_greeter_new();
 
@@ -518,7 +518,7 @@ int main(int argc, char**argv)
     const QString kgreeterfontstring = kgreetersettings.value("greeter/font").toString();
     QFont kgreeterfont;
     if (!kgreeterfont.fromString(kgreeterfontstring)) {
-        kgreeterfont = KGlobalSettings::generalFont();
+        kgreeterfont = KGreeterDefaultFont();
     }
     app.setFont(kgreeterfont);
 
@@ -528,12 +528,8 @@ int main(int argc, char**argv)
         app.addLibraryPath(path);
     }
 
-    const QString kgreeterstyle = kgreetersettings.value("greeter/style").toString();
-    if (!kgreeterstyle.isEmpty()) {
-        app.setStyle(kgreeterstyle);
-    } else {
-        app.setStyle(KStyle::defaultStyle());
-    }
+    const QString kgreeterstyle = kgreetersettings.value("greeter/style", KGreeterDefaultStyle()).toString();
+    app.setStyle(kgreeterstyle);
 
     const QString kgreetercolorscheme = kgreetersettings.value("greeter/colorscheme").toString();
     if (!kgreetercolorscheme.isEmpty()) {

kgreeter/kgreeter.h

@@ -0,0 +1,47 @@
+/*  This file is part of the KDE project
+    Copyright (C) 2022 Ivailo Monev <xakepa10@gmail.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License version 2, as published by the Free Software Foundation.
+
+    This library 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
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KGREETER_H
+#define KGREETER_H
+
+#include <KStyle>
+#include <KGlobalSettings>
+#include <Plasma/Theme>
+#include <KStandardDirs>
+
+static QFont KGreeterDefaultFont()
+{
+    return KGlobalSettings::generalFont();
+}
+
+static QString KGreeterDefaultStyle()
+{
+    return QString::fromLatin1("Cleanlooks");
+}
+
+static QString KGreeterDefaultBackground()
+{
+    return Plasma::Theme::defaultTheme()->wallpaperPath();
+}
+
+static QString KGreeterDefaultRectangle()
+{
+    return KStandardDirs::locate("data", "kgreeter/rectangle.png");
+}
+
+#endif // KGREETER_H