Related: tdf#151898 use more of the code path that can use scaled svgs

for hidpi

Change-Id: I1dfb072e294fd30ce027eb3c69781f1450709dc8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142540
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/vcl/unx/gtk3/gtkinst.cxx b/vcl/unx/gtk3/gtkinst.cxx
index d1b6fac..8382d7d 100644
--- a/vcl/unx/gtk3/gtkinst.cxx
+++ b/vcl/unx/gtk3/gtkinst.cxx
@@ -4797,11 +4797,9 @@ namespace
        return load_icon_from_stream(*xMemStm);
    }

    std::unique_ptr<utl::TempFileNamed> get_icon_stream_as_file(const OUString& rIconName)
    std::unique_ptr<utl::TempFileNamed> get_icon_stream_as_file_by_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
    {
        OUString sIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
        OUString sUILang = Application::GetSettings().GetUILanguageTag().getBcp47();
        uno::Reference<io::XInputStream> xInputStream = ImageTree::get().getImageXInputStream(rIconName, sIconTheme, sUILang);
        uno::Reference<io::XInputStream> xInputStream = ImageTree::get().getImageXInputStream(rIconName, rIconTheme, rUILang);
        if (!xInputStream)
            return nullptr;

@@ -4822,6 +4820,13 @@ namespace

        return xRet;
    }

    std::unique_ptr<utl::TempFileNamed> get_icon_stream_as_file(const OUString& rIconName)
    {
        OUString sIconTheme = Application::GetSettings().GetStyleSettings().DetermineIconTheme();
        OUString sUILang = Application::GetSettings().GetUILanguageTag().getBcp47();
        return get_icon_stream_as_file_by_name_theme_lang(rIconName, sIconTheme, sUILang);
    }
}

GdkPixbuf* load_icon_by_name(const OUString& rIconName)
@@ -5040,13 +5045,44 @@ namespace
    }
#endif

    GtkWidget* image_new_from_xgraphic(const css::uno::Reference<css::graphic::XGraphic>& rIcon, bool bMirror)
    {
        GtkWidget* pImage = nullptr;
        if (auto xTempFile = getImageFile(rIcon, bMirror))
            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        return pImage;
    }

    GtkWidget* image_new_from_icon_name(const OUString& rIconName)
    {
        GtkWidget* pImage = nullptr;
        if (auto xTempFile = get_icon_stream_as_file(rIconName))
            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        return pImage;
    }

    GtkWidget* image_new_from_icon_name_theme_lang(const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
    {
        GtkWidget* pImage = nullptr;
        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        return pImage;
    }

    void image_set_from_icon_name(GtkImage* pImage, const OUString& rIconName)
    {
        GdkPixbuf* pixbuf = load_icon_by_name(rIconName);
        gtk_image_set_from_pixbuf(pImage, pixbuf);
        if (!pixbuf)
            return;
        g_object_unref(pixbuf);
        if (auto xTempFile = get_icon_stream_as_file(rIconName))
            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_image_set_from_pixbuf(pImage, nullptr);
    }

    void image_set_from_icon_name_theme_lang(GtkImage* pImage, const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
    {
        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_image_set_from_pixbuf(pImage, nullptr);
    }

    void image_set_from_virtual_device(GtkImage* pImage, const VirtualDevice* pDevice)
@@ -5060,19 +5096,27 @@ namespace

    void image_set_from_xgraphic(GtkImage* pImage, const css::uno::Reference<css::graphic::XGraphic>& rImage)
    {
        GdkPixbuf* pixbuf = getPixbuf(rImage);
        gtk_image_set_from_pixbuf(pImage, pixbuf);
        if (pixbuf)
            g_object_unref(pixbuf);
        if (auto xTempFile = getImageFile(rImage, false))
            gtk_image_set_from_file(pImage, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_image_set_from_pixbuf(pImage, nullptr);
    }

#if GTK_CHECK_VERSION(4, 0, 0)
    void picture_set_from_icon_name(GtkPicture* pPicture, const OUString& rIconName)
    {
        GdkPixbuf* pixbuf = load_icon_by_name(rIconName);
        gtk_picture_set_pixbuf(pPicture, pixbuf);
        if (pixbuf)
            g_object_unref(pixbuf);
        if (auto xTempFile = get_icon_stream_as_file(rIconName))
            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_picture_set_pixbuf(pPicture, nullptr);
    }

    void picture_set_from_icon_name_theme_lang(GtkPicture* pPicture, const OUString& rIconName, const OUString& rIconTheme, const OUString& rUILang)
    {
        if (auto xTempFile = get_icon_stream_as_file_by_name_theme_lang(rIconName, rIconTheme, rUILang))
            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_picture_set_pixbuf(pPicture, nullptr);
    }

    void picture_set_from_virtual_device(GtkPicture* pPicture, const VirtualDevice* pDevice)
@@ -5085,10 +5129,10 @@ namespace

    void picture_set_from_xgraphic(GtkPicture* pPicture, const css::uno::Reference<css::graphic::XGraphic>& rPicture)
    {
        GdkPixbuf* pixbuf = getPixbuf(rPicture);
        gtk_picture_set_pixbuf(pPicture, pixbuf);
        if (pixbuf)
            g_object_unref(pixbuf);
        if (auto xTempFile = getImageFile(rPicture, false))
            gtk_picture_set_filename(pPicture, OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        else
            gtk_picture_set_pixbuf(pPicture, nullptr);
    }
#endif

@@ -5101,15 +5145,7 @@ namespace
            return;
        }

        GdkPixbuf* pixbuf = load_icon_by_name(rIconName);
        GtkWidget* pImage;
        if (!pixbuf)
            pImage = nullptr;
        else
        {
            pImage = gtk_image_new_from_pixbuf(pixbuf);
            g_object_unref(pixbuf);
        }
        GtkWidget* pImage = image_new_from_icon_name(rIconName);
#if GTK_CHECK_VERSION(4, 0, 0)
        gtk_button_set_child(pButton, pImage);
#else
@@ -5140,15 +5176,7 @@ namespace
            return;
        }

        GdkPixbuf* pixbuf = getPixbuf(rImage);
        GtkWidget* pImage;
        if (!pixbuf)
            pImage = nullptr;
        else
        {
            pImage = gtk_image_new_from_pixbuf(pixbuf);
            g_object_unref(pixbuf);
        }
        GtkWidget* pImage = image_new_from_xgraphic(rImage, false);
#if GTK_CHECK_VERSION(4, 0, 0)
        gtk_button_set_child(pButton, pImage);
#else
@@ -5424,14 +5452,7 @@ public:
#if !GTK_CHECK_VERSION(4, 0, 0)
        GtkWidget* pImage = nullptr;
        if (pIconName && !pIconName->isEmpty())
        {
            GdkPixbuf* pixbuf = load_icon_by_name(*pIconName);
            if (!pixbuf)
            {
                pImage = gtk_image_new_from_pixbuf(pixbuf);
                g_object_unref(pixbuf);
            }
        }
            pImage = image_new_from_icon_name(*pIconName);
        else if (pImageSurface)
            pImage = image_new_from_virtual_device(*pImageSurface);

@@ -11505,24 +11526,14 @@ public:
#if !GTK_CHECK_VERSION(4, 0, 0)
        GtkWidget* pImage = nullptr;
        if (pIconName)
        {
            if (GdkPixbuf* pixbuf = load_icon_by_name(*pIconName))
            {
                pImage = gtk_image_new_from_pixbuf(pixbuf);
                g_object_unref(pixbuf);
            }
        }
            pImage = image_new_from_icon_name(*pIconName);
        else if (pImageSurface)
        {
            pImage = image_new_from_virtual_device(*pImageSurface);
        }
        else if (rGraphic)
        {
            if (GdkPixbuf* pixbuf = getPixbuf(rGraphic))
            {
                pImage = gtk_image_new_from_pixbuf(pixbuf);
                g_object_unref(pixbuf);
            }
            pImage = image_new_from_xgraphic(rGraphic, false);
        }

        GtkWidget *pItem;
@@ -11892,14 +11903,9 @@ private:
    static void set_item_image(GtkWidget* pItem, const css::uno::Reference<css::graphic::XGraphic>& rIcon, bool bMirror)
#endif
    {
        GtkWidget* pImage = nullptr;

        if (auto xTempFile = getImageFile(rIcon, bMirror))
        {
            pImage = gtk_image_new_from_file(OUStringToOString(xTempFile->GetFileName(), osl_getThreadTextEncoding()).getStr());
        GtkWidget* pImage = image_new_from_xgraphic(rIcon, bMirror);
        if (pImage)
            gtk_widget_show(pImage);
        }

#if !GTK_CHECK_VERSION(4, 0, 0)
        gtk_tool_button_set_icon_widget(pItem, pImage);
#else
@@ -12249,14 +12255,9 @@ public:
            return;
#endif

        GtkWidget* pImage = nullptr;

        if (GdkPixbuf* pixbuf = getPixbuf(rIconName))
        {
            pImage = gtk_image_new_from_pixbuf(pixbuf);
            g_object_unref(pixbuf);
        GtkWidget* pImage = image_new_from_icon_name(rIconName);
        if (pImage)
            gtk_widget_show(pImage);
        }

#if !GTK_CHECK_VERSION(4, 0, 0)
        gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(pItem), pImage);
@@ -23360,13 +23361,7 @@ private:
            {
                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
                if (!IsAllowedBuiltInIcon(aIconName))
                {
                    if (GdkPixbuf* pixbuf = load_icon_by_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    {
                        gtk_image_set_from_pixbuf(pImage, pixbuf);
                        g_object_unref(pixbuf);
                    }
                }
                    image_set_from_icon_name_theme_lang(pImage, aIconName, m_aIconTheme, m_aUILang);
            }
        }
#if GTK_CHECK_VERSION(4, 0, 0)
@@ -23380,11 +23375,7 @@ private:
                g_free(icon_name);
                assert(aIconName.startsWith("private:///graphicrepository/"));
                aIconName.startsWith("private:///graphicrepository/", &aIconName);
                if (GdkPixbuf* pixbuf = load_icon_by_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                {
                    gtk_picture_set_pixbuf(GTK_PICTURE(pWidget), pixbuf);
                    g_object_unref(pixbuf);
                }
                picture_set_from_icon_name_theme_lang(GTK_PICTURE(pWidget), aIconName, m_aIconTheme, m_aUILang);
            }
        }
#endif
@@ -23397,10 +23388,8 @@ private:
                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
                if (!IsAllowedBuiltInIcon(aIconName))
                {
                    if (GdkPixbuf* pixbuf = load_icon_by_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    {
                        GtkWidget* pImage = gtk_image_new_from_pixbuf(pixbuf);
                        g_object_unref(pixbuf);
                        gtk_tool_button_set_icon_widget(pToolButton, pImage);
                        gtk_widget_show(pImage);
                    }
@@ -23423,12 +23412,10 @@ private:
                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
                if (!IsAllowedBuiltInIcon(aIconName))
                {
                    if (GdkPixbuf* pixbuf = load_icon_by_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    {
                        GtkWidget* pImage = gtk_image_new_from_pixbuf(pixbuf);
                        gtk_widget_set_halign(pImage, GTK_ALIGN_CENTER);
                        gtk_widget_set_valign(pImage, GTK_ALIGN_CENTER);
                        g_object_unref(pixbuf);
                        gtk_button_set_child(pButton, pImage);
                        gtk_widget_show(pImage);
                    }
@@ -23443,12 +23430,10 @@ private:
                OUString aIconName(icon_name, strlen(icon_name), RTL_TEXTENCODING_UTF8);
                if (!IsAllowedBuiltInIcon(aIconName))
                {
                    if (GdkPixbuf* pixbuf = load_icon_by_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    if (GtkWidget* pImage = image_new_from_icon_name_theme_lang(aIconName, m_aIconTheme, m_aUILang))
                    {
                        GtkWidget* pImage = gtk_image_new_from_pixbuf(pixbuf);
                        gtk_widget_set_halign(pImage, GTK_ALIGN_CENTER);
                        gtk_widget_set_valign(pImage, GTK_ALIGN_CENTER);
                        g_object_unref(pixbuf);
                        // TODO after gtk 4.6 is released require that version and drop this
                        static auto menu_button_set_child = reinterpret_cast<void (*) (GtkMenuButton*, GtkWidget*)>(dlsym(nullptr, "gtk_menu_button_set_child"));
                        if (menu_button_set_child)