Introducing icon theme support

Added some static functions to QIcon to support desktop
themes based on the freedesktop spec. It is not intended to
replace KIcon and the intention is to use it when available to
share icon cache between applications.

Applications currently using icon themes are Assistant, Designer
and the textedit demo.

Reviewed-by: ogoffart

1 files changed, 2 insertions, 561 deletions

diff --git a/src/gui/styles/qcleanlooksstyle.cpp b/src/gui/styles/qcleanlooksstyle.cpp
index 8f88781..1782e36 100644
--- a/src/gui/styles/qcleanlooksstyle.cpp
+++ b/src/gui/styles/qcleanlooksstyle.cpp
@@ -462,26 +462,6 @@ static const char * const qt_cleanlooks_checkbox_checked[] = {
     "             ",
     "             "};
 
-#ifdef Q_WS_X11
-extern "C" {
-    struct GConfClient;
-    struct GError;
-    typedef void (*Ptr_g_type_init)();
-    typedef GConfClient* (*Ptr_gconf_client_get_default)();
-    typedef char* (*Ptr_gconf_client_get_string)(GConfClient*, const char*, GError **);
-    typedef void (*Ptr_g_object_unref)(void *);
-    typedef void (*Ptr_g_error_free)(GError *);
-    typedef void (*Ptr_g_free)(void*);
-}
-
-static Ptr_g_type_init p_g_type_init = 0;
-static Ptr_gconf_client_get_default p_gconf_client_get_default = 0;
-static Ptr_gconf_client_get_string p_gconf_client_get_string = 0;
-static Ptr_g_object_unref p_g_object_unref = 0;
-static Ptr_g_error_free p_g_error_free = 0;
-static Ptr_g_free p_g_free = 0;
-#endif
-
 static void qt_cleanlooks_draw_gradient(QPainter *painter, const QRect &rect, const QColor &gradientStart,
                                         const QColor &gradientStop, Direction direction = TopDown, QBrush bgBrush = QBrush())
 {
@@ -3848,17 +3828,6 @@ QSize QCleanlooksStyle::sizeFromContents(ContentsType type, const QStyleOption *
 void QCleanlooksStyle::polish(QApplication *app)
 {
     QWindowsStyle::polish(app);
-#ifdef Q_WS_X11
-    Q_D(QCleanlooksStyle);
-
-    QString dataDirs = QLatin1String(getenv("XDG_DATA_DIRS"));
-
-    if (dataDirs.isEmpty())
-        dataDirs = QLatin1String("/usr/local/share/:/usr/share/");
-
-    dataDirs.prepend(QDir::homePath() + QLatin1String("/:"));
-    d->iconDirs = dataDirs.split(QLatin1Char(':'));
-#endif
 }
 
 /*!
@@ -4376,44 +4345,6 @@ QRect QCleanlooksStyle::subElementRect(SubElement sr, const QStyleOption *opt, c
     return r;
 }
 
-void QCleanlooksStylePrivate::lookupIconTheme() const
-{
-#ifdef Q_WS_X11
-
-    if (themeName.isEmpty()) {
-        //resolve glib and gconf functions
-        p_g_type_init =              (Ptr_g_type_init)QLibrary::resolve(QLatin1String("gobject-2.0"), 0, "g_type_init");
-        p_gconf_client_get_default = (Ptr_gconf_client_get_default)QLibrary::resolve(QLatin1String("gconf-2"), 4, "gconf_client_get_default");
-        p_gconf_client_get_string =  (Ptr_gconf_client_get_string)QLibrary::resolve(QLatin1String("gconf-2"), 4, "gconf_client_get_string");
-        p_g_object_unref =           (Ptr_g_object_unref)QLibrary::resolve(QLatin1String("gobject-2.0"), 0, "g_object_unref");
-        p_g_error_free =             (Ptr_g_error_free)QLibrary::resolve(QLatin1String("glib-2.0"), 0, "g_error_free");
-        p_g_free =                   (Ptr_g_free)QLibrary::resolve(QLatin1String("glib-2.0"), 0, "g_free");
-
-        if (p_g_type_init &&
-             p_gconf_client_get_default &&
-             p_gconf_client_get_string &&
-             p_g_object_unref &&
-             p_g_error_free &&
-             p_g_free) {
-
-            p_g_type_init();
-            GConfClient* client = p_gconf_client_get_default();
-            GError *err = 0;
-            char *str = p_gconf_client_get_string(client, "/desktop/gnome/interface/icon_theme", &err);
-            if (!err) {
-                themeName = QString::fromUtf8(str);
-                p_g_free(str);
-            }
-            p_g_object_unref(client);
-            if (err)
-                p_g_error_free (err);
-        }
-        if (themeName.isEmpty())
-            themeName = QLatin1String("gnome");
-    }
-#endif
-}
-
 /*!
     \internal
 */
@@ -4421,165 +4352,6 @@ QIcon QCleanlooksStyle::standardIconImplementation(StandardPixmap standardIcon,
                                                   const QStyleOption *option,
                                                   const QWidget *widget) const
 {
-#ifdef Q_WS_X11
-    Q_D(const QCleanlooksStyle);
-    if (!QApplication::desktopSettingsAware())
-        return QWindowsStyle::standardIconImplementation(standardIcon, option, widget);
-    QIcon icon;
-    QPixmap pixmap;
-    QPixmap link;
-    d->lookupIconTheme();
-    switch (standardIcon) {
-    case SP_DirIcon: {
-        icon = QIcon(proxy()->standardPixmap(standardIcon, option, widget));
-        icon.addPixmap(proxy()->standardPixmap(SP_DirClosedIcon, option, widget),
-                       QIcon::Normal, QIcon::Off);
-        pixmap = d->findIcon(16, QLatin1String("gnome-fs-directory.png"));
-        if (!pixmap.isNull())
-            icon.addPixmap(pixmap, QIcon::Normal, QIcon::Off);
-        pixmap = d->findIcon(48, QLatin1String("gnome-fs-directory.png"));
-        if (!pixmap.isNull())
-            icon.addPixmap(pixmap, QIcon::Normal, QIcon::Off);
-        pixmap = d->findIcon(16, QLatin1String("gnome-fs-directory-accept.png"));
-        if (!pixmap.isNull())
-            icon.addPixmap(pixmap, QIcon::Normal, QIcon::On);
-        pixmap = d->findIcon(16, QLatin1String("gnome-fs-directory-accept.png"));
-        if (!pixmap.isNull())
-            icon.addPixmap(pixmap, QIcon::Normal, QIcon::On);
-    }
-    break;
-    case SP_DirLinkIcon:
-        {
-            icon = QIcon(proxy()->standardPixmap(standardIcon, option, widget));
-            QPixmap link = d->findIcon(12, QLatin1String("emblem-symbolic-link.png"));
-            if (!link.isNull()) {
-                icon.addPixmap(proxy()->standardPixmap(SP_DirLinkIcon, option, widget));
-                pixmap = d->findIcon(16, QLatin1String("gnome-fs-directory.png"));
-                if (!pixmap.isNull()) {
-                    QPainter painter(&pixmap);
-                    painter.drawPixmap(8, 8, 8, 8, link);
-                    painter.end();
-                    icon.addPixmap(pixmap);
-                }
-            }
-            break;
-        }
-    case SP_FileIcon:
-        {
-            icon = d->createIcon(QLatin1String("unknown.png"));
-            if (icon.isNull())
-                icon = d->createIcon(QLatin1String("gnome-fs-regular.png"));
-            if (icon.isNull())
-                icon = d->createIcon(QLatin1String("stock_new.png"));
-            break;
-        }
-    case SP_DialogCloseButton:
-        {
-            icon  = d->createIcon(QLatin1String("gtk-close.png"));
-            if (icon.isNull())
-                icon = d->createIcon(QLatin1String("stock-close.png"));
-            break;
-        }
-    case SP_DirHomeIcon:
-        {
-            icon = d->createIcon(QLatin1String("folder_home.png"));
-            if (icon.isNull())
-                icon = d->createIcon(QLatin1String("gnome_home.png"));
-            break;
-        }
-    case SP_DriveFDIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-dev-floppy.png"));
-            break;
-        }
-    case SP_ComputerIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-fs-client.png"));
-            break;
-        }
-    case SP_DesktopIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-fs-desktop.png"));
-            break;
-        }
-    case SP_TrashIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-fs-trash-empty.png"));
-            break;
-        }
-    case SP_DriveCDIcon:
-    case SP_DriveDVDIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-dev-cdrom.png"));
-            break;
-        }
-    case SP_DriveHDIcon:
-        {
-            icon = d->createIcon(QLatin1String("gnome-dev-harddisk.png"));
-            break;
-        }
-    case SP_ArrowUp:
-        {
-            icon = d->createIcon(QLatin1String("stock_up.png"));
-            break;
-        }
-    case SP_ArrowDown:
-        {
-            icon = d->createIcon(QLatin1String("stock_down.png"));
-            break;
-        }
-    case SP_ArrowRight:
-        {
-            icon = d->createIcon(QLatin1String("stock_right.png"));
-            break;
-        }
-    case SP_ArrowLeft:
-        {
-            icon = d->createIcon(QLatin1String("stock_left.png"));
-            break;
-        }
-    case SP_BrowserReload:
-        {
-            icon = d->createIcon(QLatin1String("view-refresh.png"));
-            break;
-        }
-    case SP_BrowserStop:
-        {
-            pixmap = d->findIcon(24, QLatin1String("stop.png"));
-            break;
-        }
-    case SP_FileLinkIcon:
-        {
-            icon = QIcon(proxy()->standardPixmap(standardIcon, option, widget));
-            QPixmap link = d->findIcon(12, QLatin1String("emblem-symbolic-link.png"));
-            if (!link.isNull()) {
-                icon.addPixmap(proxy()->standardPixmap(SP_FileLinkIcon,option, widget));
-                pixmap = d->findIcon(16, QLatin1String("unknown.png"));
-                if (pixmap.isNull())
-                    pixmap = d->findIcon(16, QLatin1String("stock_new.png"));
-                if (!pixmap.isNull()) {
-                    QPainter painter(&pixmap);
-                    painter.drawPixmap(8, 8, 8, 8, link);
-                    painter.end();
-                    icon.addPixmap(pixmap);
-                }
-            }
-            break;
-        }
-    case SP_ArrowForward:
-        if (QApplication::layoutDirection() == Qt::RightToLeft)
-            return standardIconImplementation(SP_ArrowLeft, option, widget);
-        return standardIconImplementation(SP_ArrowRight, option, widget);
-    case SP_ArrowBack:
-        if (QApplication::layoutDirection() == Qt::RightToLeft)
-            return standardIconImplementation(SP_ArrowRight, option, widget);
-        return standardIconImplementation(SP_ArrowLeft, option, widget);
-    default:
-        icon = QIcon(proxy()->standardPixmap(standardIcon, option, widget));
-    }
-    if (!icon.isNull())
-        return icon;
-#endif // Q_WS_X11
     return QWindowsStyle::standardIconImplementation(standardIcon, option, widget);
 }
 
@@ -4589,341 +4361,10 @@ QIcon QCleanlooksStyle::standardIconImplementation(StandardPixmap standardIcon,
 QPixmap QCleanlooksStyle::standardPixmap(StandardPixmap standardPixmap, const QStyleOption *opt,
                                       const QWidget *widget) const
 {
-#ifdef Q_WS_X11
-    Q_D(const QCleanlooksStyle);
     QPixmap pixmap;
-    if (!QApplication::desktopSettingsAware())
-        return QWindowsStyle::standardPixmap(standardPixmap, opt, widget);
-    d->lookupIconTheme();
+
 #ifndef QT_NO_IMAGEFORMAT_XPM
     switch (standardPixmap) {
-    case SP_MessageBoxInformation:
-        {
-            pixmap = d->findIcon(48, QLatin1String("dialog-info.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(48, QLatin1String("stock_dialog-info.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MessageBoxWarning:
-        {
-            pixmap = d->findIcon(48, QLatin1String("dialog-warning.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(48, QLatin1String("stock_dialog-warning.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MessageBoxCritical:
-        {
-            pixmap = d->findIcon(48, QLatin1String("dialog-error.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(48, QLatin1String("stock_dialog-error.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MessageBoxQuestion:
-        {
-            pixmap = d->findIcon(48, QLatin1String("dialog-question.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DirHomeIcon:
-        {
-            pixmap = d->findIcon(16, QLatin1String("folder_home.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(16, QLatin1String("gnome_home.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogOpenButton:
-    case SP_DirOpenIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("stock_open.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_FileIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("unknown.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("gnome-fs-regular.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("stock_new.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_FileLinkIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("emblem-symbolic-link.png"));
-            if (!pixmap.isNull()) {
-                QPixmap fileIcon = d->findIcon(24, QLatin1String("unknown.png"));
-                if (fileIcon.isNull())
-                    fileIcon = d->findIcon(24, QLatin1String("stock_new.png"));
-                if (!fileIcon.isNull()) {
-                    QPainter painter(&fileIcon);
-                    painter.setRenderHint(QPainter::SmoothPixmapTransform);
-                    painter.drawPixmap(12, 12, 12, 12, pixmap);
-                    return fileIcon;
-                }
-            }
-            break;
-       }
-    case SP_DirClosedIcon:
-    case SP_DirIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-fs-directory.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DirLinkIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("emblem-symbolic-link.png"));
-            if (!pixmap.isNull()) {
-                QPixmap dirIcon = d->findIcon(24, QLatin1String("gnome-fs-directory.png"));
-                if (!dirIcon.isNull()) {
-                    QPainter painter(&dirIcon);
-                    painter.setRenderHint(QPainter::SmoothPixmapTransform);
-                    painter.drawPixmap(12, 12, 12, 12, pixmap);
-                    return dirIcon;
-                }
-            }
-            break;
-       }
-    case SP_DriveFDIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-dev-floppy.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_ComputerIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-fs-client.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DesktopIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-fs-desktop.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_TrashIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-fs-trash-empty.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DriveCDIcon:
-    case SP_DriveDVDIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-dev-cdrom.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DriveHDIcon:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gnome-dev-harddisk.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_FileDialogToParent:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_up.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_FileDialogNewFolder:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_new-dir.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_ArrowUp:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_up.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_ArrowDown:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_down.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_ArrowRight:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_right.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_ArrowLeft:
-        {
-            pixmap = d->findIcon(16, QLatin1String("stock_left.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogCloseButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gtk-close.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("stock-close.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogApplyButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("dialog-apply.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("stock-apply.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogResetButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gtk-clear.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogHelpButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("gtk-help.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogOkButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("dialog-ok.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("stock-ok.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogCancelButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("dialog-cancel.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("stock-cancel.png"));
-            if (pixmap.isNull())
-                pixmap = d->findIcon(24, QLatin1String("process-stop.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_DialogSaveButton:
-        {
-            pixmap = d->findIcon(24, QLatin1String("stock_save.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_BrowserStop:
-        {
-            pixmap = d->findIcon(16, QLatin1String("process-stop.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_BrowserReload:
-        {
-            pixmap = d->findIcon(16, QLatin1String("view-refresh.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaPlay:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-playback-start.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaPause:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-playback-pause.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaStop:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-playback-stop.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaVolume:
-        {
-            pixmap = d->findIcon(16, QLatin1String("audio-volume-medium.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaVolumeMuted:
-        {
-            pixmap = d->findIcon(16, QLatin1String("audio-volume-muted.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaSeekForward:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-seek-forward.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaSeekBackward:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-seek-backward.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaSkipForward:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-skip-forward.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_MediaSkipBackward:
-        {
-            pixmap = d->findIcon(24, QLatin1String("media-skip-backward.png"));
-            if (!pixmap.isNull())
-                return pixmap;
-            break;
-        }
-    case SP_TitleBarMenuButton:
-    case SP_TitleBarShadeButton:
-    case SP_TitleBarUnshadeButton:
-    case SP_TitleBarMaxButton:
-    case SP_TitleBarContextHelpButton:
-        return QWindowsStyle::standardPixmap(standardPixmap, opt, widget);
     case SP_TitleBarNormalButton:
         return QPixmap((const char **)dock_widget_restore_xpm);
     case SP_TitleBarMinButton:
@@ -4936,7 +4377,7 @@ QPixmap QCleanlooksStyle::standardPixmap(StandardPixmap standardPixmap, const QS
         break;
     }
 #endif //QT_NO_IMAGEFORMAT_XPM
-#endif //Q_WS_X11
+
     return QWindowsStyle::standardPixmap(standardPixmap, opt, widget);
 }