[evince/wip/gpoo/gtk4-rebase-port: 5/89] libgd: Port GdTwoLinesRenderer to gtk4

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

commit bba22056eedf7b5859956cc4d3843131674707a3
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Sun Mar 20 21:57:22 2022 -0300

    libgd: Port GdTwoLinesRenderer to gtk4
    
    Signed-off-by: Qiu Wenbo <qiuwenbo kylinos com cn>

 cut-n-paste/libgd/gd-two-lines-renderer.c | 34 +++++++++++++++++--------------
 1 file changed, 19 insertions(+), 15 deletions(-)
---
diff --git a/cut-n-paste/libgd/gd-two-lines-renderer.c b/cut-n-paste/libgd/gd-two-lines-renderer.c
index f5e1ce53a..9c70b1c1a 100644
--- a/cut-n-paste/libgd/gd-two-lines-renderer.c
+++ b/cut-n-paste/libgd/gd-two-lines-renderer.c
@@ -92,6 +92,7 @@ apply_subtitle_style_to_layout (GtkStyleContext *context,
   PangoAttrList *layout_attr;
   PangoAttribute *attr_alpha;
 
+#if 0
   gtk_style_context_save (context);
   gtk_style_context_set_state (context, flags);
   gtk_style_context_get (context, gtk_style_context_get_state (context),
@@ -104,6 +105,7 @@ apply_subtitle_style_to_layout (GtkStyleContext *context,
   pango_layout_set_font_description (layout, desc);
   pango_font_description_free (desc);
 
+#endif
   /* Set the font alpha */
   layout_attr = pango_attr_list_new ();
   attr_alpha = pango_attr_foreground_alpha_new (SUBTITLE_DIM_PERCENTAGE * 65535);
@@ -275,12 +277,12 @@ gd_two_lines_renderer_get_size (GtkCellRenderer *cell,
 }
 
 static void
-gd_two_lines_renderer_render (GtkCellRenderer      *cell,
-                              cairo_t              *cr,
-                              GtkWidget            *widget,
-                              const GdkRectangle   *background_area,
-                              const GdkRectangle   *cell_area,
-                              GtkCellRendererState  flags)
+gd_two_lines_renderer_snapshot (GtkCellRenderer      *cell,
+                                GtkSnapshot          *snapshot,
+                                GtkWidget            *widget,
+                                const GdkRectangle   *background_area,
+                                const GdkRectangle   *cell_area,
+                                GtkCellRendererState  flags)
 {
   GdTwoLinesRenderer *self = GD_TWO_LINES_RENDERER (cell);
   GtkStyleContext *context;
@@ -312,10 +314,10 @@ gd_two_lines_renderer_render (GtkCellRenderer      *cell,
   render_area.x += x_offset_1 - layout_rect.x;
   render_area.y += y_offset;
 
-  gtk_render_layout (context, cr,
-                     render_area.x,
-                     render_area.y,
-                     layout_one);
+  gtk_snapshot_render_layout (snapshot, context,
+                              render_area.x,
+                              render_area.y,
+                              layout_one);
 
   /* render the second layout */
   if (layout_two != NULL)
@@ -336,10 +338,10 @@ gd_two_lines_renderer_render (GtkCellRenderer      *cell,
       render_area.x += x_offset_2 - layout_rect.x;
       render_area.y += y_offset + line_one_height;
 
-      gtk_render_layout (context, cr,
-                         render_area.x,
-                         render_area.y,
-                         layout_two);
+      gtk_snapshot_render_layout (snapshot, context,
+                                  render_area.x,
+                                  render_area.y,
+                                  layout_two);
 
       gtk_style_context_restore (context);
     }
@@ -378,6 +380,7 @@ gd_two_lines_renderer_get_preferred_width (GtkCellRenderer *cell,
 
   /* Fetch the average size of a character */
   context = gtk_widget_get_pango_context (widget);
+#if 0
   gtk_style_context_save (style_context);
   gtk_style_context_set_state (style_context, 0);
   gtk_style_context_get (style_context, gtk_style_context_get_state (style_context),
@@ -390,6 +393,7 @@ gd_two_lines_renderer_get_preferred_width (GtkCellRenderer *cell,
 
   pango_font_metrics_unref (metrics);
   pango_font_description_free (font_desc);
+#endif
 
   /* enforce minimum width for ellipsized labels at ~3 chars */
   ellipsize_chars = 3;
@@ -593,7 +597,7 @@ gd_two_lines_renderer_class_init (GdTwoLinesRendererClass *klass)
   GtkCellRendererClass *cclass = GTK_CELL_RENDERER_CLASS (klass);
   GObjectClass *oclass = G_OBJECT_CLASS (klass);
 
-  cclass->render = gd_two_lines_renderer_render;
+  cclass->snapshot = gd_two_lines_renderer_snapshot;
   cclass->get_preferred_width = gd_two_lines_renderer_get_preferred_width;
   cclass->get_preferred_height = gd_two_lines_renderer_get_preferred_height;
   cclass->get_preferred_height_for_width = gd_two_lines_renderer_get_preferred_height_for_width;