[evince/wip/gpoo/gtk4-rebase-port: 7/72] ev-document-misc: enable 192 DPI for HiDPI display

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 0d4f1453b5e7b7c104158539ab624e2f8cc8a060
Author: Qiu Wenbo <qiuwenbo kylinos com cn>
Date:   Tue Dec 7 00:13:26 2021 +0800

    ev-document-misc: enable 192 DPI for HiDPI display
    
    Signed-off-by: Qiu Wenbo <qiuwenbo kylinos com cn>

 libdocument/ev-document-misc.c | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)
---
diff --git a/libdocument/ev-document-misc.c b/libdocument/ev-document-misc.c
index 5e6172365..5f14a1fc2 100644
--- a/libdocument/ev-document-misc.c
+++ b/libdocument/ev-document-misc.c
@@ -470,21 +470,14 @@ ev_document_misc_invert_pixbuf (GdkPixbuf *pixbuf)
 gdouble
 ev_document_misc_get_widget_dpi (GtkWidget *widget)
 {
-#if 0
-       GdkRectangle  geometry;
-       GdkDisplay   *display;
-       GdkMonitor   *monitor;
-       GdkSurface   *surface;
+       GdkDisplay   *display = gtk_widget_get_display (widget);
+       GdkSurface   *surface = gtk_native_get_surface (gtk_widget_get_native (widget));
+       GdkMonitor   *monitor = NULL;
        gboolean      is_landscape;
+       GdkRectangle  geometry;
 
-       display = gtk_widget_get_display (widget);
-       window = gtk_widget_get_window (widget);
-       if (window != NULL) {
-               monitor = gdk_display_get_monitor_at_window (display, window);
-       } else {
-               monitor = gdk_display_get_primary_monitor (display);
-               if (monitor == NULL)
-                       monitor = gdk_display_get_monitor (display, 0);
+       if (surface != NULL) {
+               monitor = gdk_display_get_monitor_at_surface (display, surface);
        }
 
        /* The only safe assumption you can make, on Unix-like/X11 and
@@ -505,7 +498,6 @@ ev_document_misc_get_widget_dpi (GtkWidget *widget)
        if (is_landscape && geometry.height >= 1080)
                return 192;
        else
-#endif
                return 96;
 }