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[pango/ebassi/gir-fixes: 1/2] Use the appropriate namespace for Pango sub-libraries

commit 94f44a08d3c177c12de8ce84c647a08b0a12a411
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Jun 10 16:59:41 2020 +0100

    Use the appropriate namespace for Pango sub-libraries
    
    The Pango sub-libraries have symbols in the pango_<something> namespace,
    but the identifiers are in the Pango one, which makes consumers of the
    introspection data either get something like:
    
      PangoCairo.show_layout()
    
    with a bunch of warnings caused by the type macros not following the
    appropriate pattern, or:
    
      PangoCairo.cairo_show_layout()
    
    which breaks introspection ABI.
    
    We can use the __GI_SCANNER__ pre-processor symbol to trick the scanner
    into generating the appropriate representation of the API, while keeping
    the C consumers happy with the existing—albeit wildly inconsistent with
    best practices for GObject-based libraries—symbols.

 pango/meson.build       | 10 +++++-----
 pango/pango-ot.h        | 23 ++++++++++++++++++++++-
 pango/pangocairo-fc.h   |  6 ++++++
 pango/pangocairo.h      | 24 +++++++++++++++++++++---
 pango/pangofc-decoder.h | 22 +++++++++++++++-------
 pango/pangofc-font.h    |  6 ++++++
 pango/pangofc-fontmap.h |  6 ++++++
 pango/pangoft2.h        | 12 +++++++++++-
 pango/pangoxft-render.h |  9 +++++++++
 pango/pangoxft.h        | 31 ++++++++++++++++++++++++++-----
 10 files changed, 127 insertions(+), 22 deletions(-)
---
diff --git a/pango/meson.build b/pango/meson.build
index 015175c3..41158141 100644
--- a/pango/meson.build
+++ b/pango/meson.build
@@ -239,7 +239,7 @@ if build_pangoft2
       namespace: 'PangoFc',
       nsversion: pango_api_version,
       identifier_prefix: 'PangoFc',
-      symbol_prefix: 'pango',
+      symbol_prefix: 'pango_fc',
       export_packages: 'pangofc',
       includes: [ pango_gir[0], 'fontconfig-2.0', ],
       header: 'pango/pangofc-fontmap.h',
@@ -257,7 +257,7 @@ if build_pangoft2
       namespace: 'PangoOT',
       nsversion: pango_api_version,
       identifier_prefix: 'PangoOT',
-      symbol_prefix: 'pango',
+      symbol_prefix: 'pango_ot',
       export_packages: 'pangoot',
       includes: [ pangofc_gir[0], 'freetype2-2.0', ],
       header: 'pango/pango-ot.h',
@@ -274,7 +274,7 @@ if build_pangoft2
       namespace: 'PangoFT2',
       nsversion: pango_api_version,
       identifier_prefix: 'PangoFT2',
-      symbol_prefix: 'pango',
+      symbol_prefix: 'pango_ft2',
       export_packages: 'pangoft2',
       includes: [ pangofc_gir[0], 'freetype2-2.0', ],
       header: 'pango/pangoft2.h',
@@ -364,7 +364,7 @@ if xft_dep.found() and fontconfig_dep.found()
       namespace: 'PangoXft',
       nsversion: pango_api_version,
       identifier_prefix: 'PangoXft',
-      symbol_prefix: 'pango',
+      symbol_prefix: 'pango_xft',
       export_packages: 'pangoxft',
       includes: [ pango_gir[0], pangoot_gir[0], pangoft2_gir[0], 'GObject-2.0', 'xft-2.0', 'xlib-2.0' ],
       header: 'pango/pangoxft.h',
@@ -529,7 +529,7 @@ if cairo_dep.found()
       namespace: 'PangoCairo',
       nsversion: pango_api_version,
       identifier_prefix: 'PangoCairo',
-      symbol_prefix: 'pango',
+      symbol_prefix: 'pango_cairo',
       export_packages: 'pangocairo',
       includes: [ pango_gir[0], 'GObject-2.0', 'cairo-1.0' ],
       header: 'pango/pangocairo.h',
diff --git a/pango/pango-ot.h b/pango/pango-ot.h
index 2c9f42d5..b8c6acc8 100644
--- a/pango/pango-ot.h
+++ b/pango/pango-ot.h
@@ -247,16 +247,29 @@ struct _PangoOTRulesetDescription {
   guint                   n_other_features;
 };
 
-
+#ifdef __GI_SCANNER__
+#define PANGO_OT_TYPE_INFO              (pango_ot_info_get_type ())
+#define PANGO_OT_INFO(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_OT_TYPE_INFO, 
PangoOTInfo))
+#define PANGO_OT_IS_INFO(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_OT_TYPE_INFO))
+#else
 #define PANGO_TYPE_OT_INFO              (pango_ot_info_get_type ())
 #define PANGO_OT_INFO(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_OT_INFO, 
PangoOTInfo))
 #define PANGO_IS_OT_INFO(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_OT_INFO))
+#endif
+
 PANGO_DEPRECATED
 GType pango_ot_info_get_type (void) G_GNUC_CONST;
 
+#ifdef __GI_SCANNER__
+#define PANGO_OT_TYPE_RULESET           (pango_ot_ruleset_get_type ())
+#define PANGO_OT_RULESET(object)        (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_OT_TYPE_RULESET, 
PangoOTRuleset))
+#define PANGO_OT_IS_RULESET(object)     (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_OT_TYPE_RULESET))
+#else
 #define PANGO_TYPE_OT_RULESET           (pango_ot_ruleset_get_type ())
 #define PANGO_OT_RULESET(object)        (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_OT_RULESET, 
PangoOTRuleset))
 #define PANGO_IS_OT_RULESET(object)     (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_OT_RULESET))
+#endif
+
 PANGO_DEPRECATED
 GType pango_ot_ruleset_get_type (void) G_GNUC_CONST;
 
@@ -300,7 +313,11 @@ PangoOTTag *pango_ot_info_list_features  (PangoOTInfo      *info,
                                          guint             script_index,
                                          guint             language_index);
 
+#ifdef __GI_SCANNER__
+#define PANGO_OT_TYPE_BUFFER (pango_ot_buffer_get_type())
+#else
 #define PANGO_TYPE_OT_BUFFER (pango_ot_buffer_get_type())
+#endif
 
 PANGO_DEPRECATED
 GType          pango_ot_buffer_get_type   (void) G_GNUC_CONST;
@@ -383,7 +400,11 @@ PangoLanguage  *pango_ot_tag_to_language   (PangoOTTag     language_tag) G_GNUC_
 PANGO_DEPRECATED
 PangoOTTag      pango_ot_tag_from_language (PangoLanguage *language) G_GNUC_CONST;
 
+#ifdef __GI_SCANNER__
+#define PANGO_OT_TYPE_RULESET_DESCRIPTION (pango_ot_ruleset_description_get_type())
+#else
 #define PANGO_TYPE_OT_RULESET_DESCRIPTION (pango_ot_ruleset_description_get_type())
+#endif
 
 PANGO_DEPRECATED
 GType           pango_ot_ruleset_description_get_type (void) G_GNUC_CONST;
diff --git a/pango/pangocairo-fc.h b/pango/pangocairo-fc.h
index 0d9d04b4..36529569 100644
--- a/pango/pangocairo-fc.h
+++ b/pango/pangocairo-fc.h
@@ -27,9 +27,15 @@
 
 G_BEGIN_DECLS
 
+#ifdef __GI_SCANNER__
+#define PANGO_CAIRO_TYPE_FC_FONT_MAP    (pango_cairo_fc_font_map_get_type())
+#define PANGO_CAIRO_FC_FONT_MAP(obj)    (G_TYPE_CHECK_INSTANCE_CAST ((obj), PANGO_CAIRO_TYPE_FC_FONT_MAP, 
PangoCairoFcFontMap))
+#define PANGO_CAIRO_IS_FC_FONT_MAP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PANGO_CAIRO_TYPE_FC_FONT_MAP))
+#else
 #define PANGO_TYPE_CAIRO_FC_FONT_MAP       (pango_cairo_fc_font_map_get_type ())
 #define PANGO_CAIRO_FC_FONT_MAP(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), 
PANGO_TYPE_CAIRO_FC_FONT_MAP, PangoCairoFcFontMap))
 #define PANGO_IS_CAIRO_FC_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), 
PANGO_TYPE_CAIRO_FC_FONT_MAP))
+#endif
 
 typedef struct _PangoCairoFcFontMap PangoCairoFcFontMap;
 
diff --git a/pango/pangocairo.h b/pango/pangocairo.h
index cd368f8f..633ccf9d 100644
--- a/pango/pangocairo.h
+++ b/pango/pangocairo.h
@@ -37,9 +37,20 @@ G_BEGIN_DECLS
  * Since: 1.18
  **/
 typedef struct _PangoCairoFont      PangoCairoFont;
-#define PANGO_TYPE_CAIRO_FONT       (pango_cairo_font_get_type ())
-#define PANGO_CAIRO_FONT(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_CAIRO_FONT, 
PangoCairoFont))
-#define PANGO_IS_CAIRO_FONT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CAIRO_FONT))
+
+/* This is a hack because PangoCairo is hijacking the Pango namespace, but
+ * consumers of the PangoCairo API expect these symbols to live under the
+ * PangoCairo namespace.
+ */
+#ifdef __GI_SCANNER__
+#define PANGO_CAIRO_TYPE_FONT           (pango_cairo_font_get_type())
+#define PANGO_CAIRO_FONT(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), PANGO_CAIRO_TYPE_FONT, 
PangoCairoFont))
+#define PANGO_CAIRO_IS_FONT(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PANGO_CAIRO_TYPE_FONT))
+#else
+#define PANGO_TYPE_CAIRO_FONT           (pango_cairo_font_get_type ())
+#define PANGO_CAIRO_FONT(object)        (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_CAIRO_FONT, 
PangoCairoFont))
+#define PANGO_IS_CAIRO_FONT(object)     (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CAIRO_FONT))
+#endif
 
 /**
  * PangoCairoFontMap:
@@ -51,9 +62,16 @@ typedef struct _PangoCairoFont      PangoCairoFont;
  * Since: 1.10
  **/
 typedef struct _PangoCairoFontMap        PangoCairoFontMap;
+
+#ifdef __GI_SCANNER__
+#define PANGO_CAIRO_TYPE_FONT_MAP       (pango_cairo_font_map_get_type())
+#define PANGO_CAIRO_FONT_MAP(obj)       (G_TYPE_CHECK_INSTANCE_CAST ((obj), PANGO_CAIRO_TYPE_FONT_MAP, 
PangoCairoFontMap))
+#define PANGO_CAIRO_IS_FONT_MAP(obj)    (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PANGO_CAIRO_TYPE_FONT_MAP))
+#else
 #define PANGO_TYPE_CAIRO_FONT_MAP       (pango_cairo_font_map_get_type ())
 #define PANGO_CAIRO_FONT_MAP(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_CAIRO_FONT_MAP, 
PangoCairoFontMap))
 #define PANGO_IS_CAIRO_FONT_MAP(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_CAIRO_FONT_MAP))
+#endif
 
 /**
  * PangoCairoShapeRendererFunc:
diff --git a/pango/pangofc-decoder.h b/pango/pangofc-decoder.h
index f4b8cc86..7c78958c 100644
--- a/pango/pangofc-decoder.h
+++ b/pango/pangofc-decoder.h
@@ -26,17 +26,25 @@
 
 G_BEGIN_DECLS
 
-#define PANGO_TYPE_FC_DECODER       (pango_fc_decoder_get_type())
-#define PANGO_FC_DECODER(object)    (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FC_DECODER, 
PangoFcDecoder))
-#define PANGO_IS_FC_DECODER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FC_DECODER))
+#ifdef __GI_SCANNER__
+#define PANGO_FC_TYPE_DECODER                   (pango_fc_decoder_get_type())
+#define PANGO_FC_DECODER(object)                (G_TYPE_CHECK_INSTANCE_CAST ((object), 
PANGO_FC_TYPE_DECODER, PangoFcDecoder))
+#define PANGO_FC_IS_DECODER(object)             (G_TYPE_CHECK_INSTANCE_TYPE ((object), 
PANGO_FC_TYPE_DECODER))
+#define PANGO_FC_DECODER_CLASS(klass)           (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_FC_TYPE_DECODER, 
PangoFcDecoderClass))
+#define PANGO_FC_IS_DECODER_CLASS(klass)        (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_FC_TYPE_DECODER))
+#define PANGO_FC_DECODER_GET_CLASS(obj)         (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_FC_TYPE_DECODER, 
PangoFcDecoderClass))
+#else
+#define PANGO_TYPE_FC_DECODER                   (pango_fc_decoder_get_type())
+#define PANGO_FC_DECODER(object)                (G_TYPE_CHECK_INSTANCE_CAST ((object), 
PANGO_TYPE_FC_DECODER, PangoFcDecoder))
+#define PANGO_IS_FC_DECODER(object)             (G_TYPE_CHECK_INSTANCE_TYPE ((object), 
PANGO_TYPE_FC_DECODER))
+#define PANGO_FC_DECODER_CLASS(klass)           (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FC_DECODER, 
PangoFcDecoderClass))
+#define PANGO_IS_FC_DECODER_CLASS(klass)        (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FC_DECODER))
+#define PANGO_FC_DECODER_GET_CLASS(obj)         (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FC_DECODER, 
PangoFcDecoderClass))
+#endif
 
 typedef struct _PangoFcDecoder      PangoFcDecoder;
 typedef struct _PangoFcDecoderClass PangoFcDecoderClass;
 
-#define PANGO_FC_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_FC_DECODER, 
PangoFcDecoderClass))
-#define PANGO_IS_FC_DECODER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_FC_DECODER))
-#define PANGO_FC_DECODER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_FC_DECODER, 
PangoFcDecoderClass))
-
 /**
  * PangoFcDecoder:
  *
diff --git a/pango/pangofc-font.h b/pango/pangofc-font.h
index 641f5947..25a0277c 100644
--- a/pango/pangofc-font.h
+++ b/pango/pangofc-font.h
@@ -42,9 +42,15 @@
 
 G_BEGIN_DECLS
 
+#ifdef __GI_SCANNER__
+#define PANGO_FC_TYPE_FONT              (pango_fc_font_get_type ())
+#define PANGO_FC_FONT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_FC_TYPE_FONT, 
PangoFcFont))
+#define PANGO_FC_IS_FONT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_FC_TYPE_FONT))
+#else
 #define PANGO_TYPE_FC_FONT              (pango_fc_font_get_type ())
 #define PANGO_FC_FONT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FC_FONT, 
PangoFcFont))
 #define PANGO_IS_FC_FONT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FC_FONT))
+#endif
 
 typedef struct _PangoFcFont      PangoFcFont;
 typedef struct _PangoFcFontClass PangoFcFontClass;
diff --git a/pango/pangofc-fontmap.h b/pango/pangofc-fontmap.h
index ae11ec31..a41ae1d9 100644
--- a/pango/pangofc-fontmap.h
+++ b/pango/pangofc-fontmap.h
@@ -35,9 +35,15 @@ G_BEGIN_DECLS
  * PangoFcFontMap
  */
 
+#ifdef __GI_SCANNER__
+#define PANGO_FC_TYPE_FONT_MAP              (pango_fc_font_map_get_type ())
+#define PANGO_FC_FONT_MAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_FC_TYPE_FONT_MAP, 
PangoFcFontMap))
+#define PANGO_FC_IS_FONT_MAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_FC_TYPE_FONT_MAP))
+#else
 #define PANGO_TYPE_FC_FONT_MAP              (pango_fc_font_map_get_type ())
 #define PANGO_FC_FONT_MAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FC_FONT_MAP, 
PangoFcFontMap))
 #define PANGO_IS_FC_FONT_MAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FC_FONT_MAP))
+#endif
 
 typedef struct _PangoFcFontMap        PangoFcFontMap;
 typedef struct _PangoFcFontMapClass   PangoFcFontMapClass;
diff --git a/pango/pangoft2.h b/pango/pangoft2.h
index 87d0ae2d..483bc366 100644
--- a/pango/pangoft2.h
+++ b/pango/pangoft2.h
@@ -33,9 +33,11 @@
 
 G_BEGIN_DECLS
 
+#ifndef __GI_SCANNER__
+
 #ifndef PANGO_DISABLE_DEPRECATED
 /**
- * PANGO_RENDER_TYPE_FT2:
+ * PANGO_RENDER_TYPE_FT2: (skip)
  *
  * A string constant that was used to identify shape engines that work
  * with the FreeType backend. See %PANGO_RENDER_TYPE_FC for the replacement.
@@ -43,9 +45,17 @@ G_BEGIN_DECLS
 #define PANGO_RENDER_TYPE_FT2 "PangoRenderFT2"
 #endif
 
+#endif /* __GI_SCANNER__ */
+
+#ifdef __GI_SCANNER__
+#define PANGO_FT2_TYPE_FONT_MAP              (pango_ft2_font_map_get_type ())
+#define PANGO_FT2_FONT_MAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_FT2_TYPE_FONT_MAP, 
PangoFT2FontMap))
+#define PANGO_FT2_IS_FONT_MAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_FT2_TYPE_FONT_MAP))
+#else
 #define PANGO_TYPE_FT2_FONT_MAP              (pango_ft2_font_map_get_type ())
 #define PANGO_FT2_FONT_MAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_FT2_FONT_MAP, 
PangoFT2FontMap))
 #define PANGO_FT2_IS_FONT_MAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_FT2_FONT_MAP))
+#endif
 
 typedef struct _PangoFT2FontMap      PangoFT2FontMap;
 
diff --git a/pango/pangoxft-render.h b/pango/pangoxft-render.h
index 5893574b..77684728 100644
--- a/pango/pangoxft-render.h
+++ b/pango/pangoxft-render.h
@@ -38,12 +38,21 @@ typedef struct _PangoXftRenderer        PangoXftRenderer;
 typedef struct _PangoXftRendererClass   PangoXftRendererClass;
 typedef struct _PangoXftRendererPrivate PangoXftRendererPrivate;
 
+#ifdef __GI_SCANNER__
+#define PANGO_XFT_TYPE_RENDERER            (pango_xft_renderer_get_type())
+#define PANGO_XFT_RENDERER(object)         (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_XFT_TYPE_RENDERER, 
PangoXftRenderer))
+#define PANGO_XFT_IS_RENDERER(object)      (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_XFT_TYPE_RENDERER))
+#define PANGO_XFT_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_XFT_TYPE_RENDERER, 
PangoXftRendererClass))
+#define PANGO_XFT_IS_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_XFT_TYPE_RENDERER))
+#define PANGO_XFT_RENDERER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_XFT_TYPE_RENDERER, 
PangoXftRendererClass))
+#else
 #define PANGO_TYPE_XFT_RENDERER            (pango_xft_renderer_get_type())
 #define PANGO_XFT_RENDERER(object)         (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_RENDERER, 
PangoXftRenderer))
 #define PANGO_IS_XFT_RENDERER(object)      (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_XFT_RENDERER))
 #define PANGO_XFT_RENDERER_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_XFT_RENDERER, 
PangoXftRendererClass))
 #define PANGO_IS_XFT_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_XFT_RENDERER))
 #define PANGO_XFT_RENDERER_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_XFT_RENDERER, 
PangoXftRendererClass))
+#endif
 
 /**
  * PangoXftRenderer:
diff --git a/pango/pangoxft.h b/pango/pangoxft.h
index d02624f3..f14b89c9 100644
--- a/pango/pangoxft.h
+++ b/pango/pangoxft.h
@@ -31,8 +31,10 @@
 
 G_BEGIN_DECLS
 
+#ifndef __GI_SCANNER__
+
 /**
- * PANGO_RENDER_TYPE_XFT:
+ * PANGO_RENDER_TYPE_XFT: (skip)
  *
  * A string constant that was used to identify shape engines that work
  * with the Xft backend. See %PANGO_RENDER_TYPE_FC for the replacement.
@@ -41,6 +43,8 @@ G_BEGIN_DECLS
 #define PANGO_RENDER_TYPE_XFT "PangoRenderXft"
 #endif
 
+#endif /* __GI_SCANNER__ */
+
 /**
  * PangoXftFontMap:
  *
@@ -48,9 +52,20 @@ G_BEGIN_DECLS
  * the Xft library as the renderer.  It is used in to create fonts of
  * type #PangoXftFont.
  */
-#define PANGO_TYPE_XFT_FONT_MAP              (pango_xft_font_map_get_type ())
-#define PANGO_XFT_FONT_MAP(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_FONT_MAP, 
PangoXftFontMap))
-#define PANGO_XFT_IS_FONT_MAP(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_XFT_FONT_MAP))
+
+/* This is a hack needed because PangoXft hijacks the Pango namespace
+ * for the identifiers, but consumers expect these symbols to be under
+ * the PangoXft namespace.
+ */
+#ifdef __GI_SCANNER__
+#define PANGO_XFT_TYPE_FONT_MAP         (pango_xft_font_map_get_type())
+#define PANGO_XFT_FONT_MAP(obj)         (G_TYPE_CHECK_INSTANCE_CAST ((obj), PANGO_XFT_TYPE_FONT_MAP, 
PangoXftFontMap))
+#define PANGO_XFT_IS_FONT_MAP(obj)      (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PANGO_XFT_TYPE_FONT_MAP))
+#else
+#define PANGO_TYPE_XFT_FONT_MAP         (pango_xft_font_map_get_type ())
+#define PANGO_XFT_FONT_MAP(object)      (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_FONT_MAP, 
PangoXftFontMap))
+#define PANGO_XFT_IS_FONT_MAP(object)   (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_XFT_FONT_MAP))
+#endif
 
 typedef struct _PangoXftFontMap      PangoXftFontMap;
 
@@ -99,9 +114,15 @@ void pango_xft_substitute_changed     (Display                *display,
 PANGO_AVAILABLE_IN_ALL
 GType pango_xft_font_map_get_type (void) G_GNUC_CONST;
 
-#define PANGO_XFT_FONT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_FONT, 
PangoXftFont))
+#ifdef __GI_SCANNER__
+#define PANGO_XFT_TYPE_FONT              (pango_xft_font_get_type ())
+#define PANGO_XFT_FONT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_XFT_TYPE_FONT, 
PangoXftFont))
+#define PANGO_XFT_IS_FONT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_XFT_TYPE_FONT))
+#else
 #define PANGO_TYPE_XFT_FONT              (pango_xft_font_get_type ())
+#define PANGO_XFT_FONT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_FONT, 
PangoXftFont))
 #define PANGO_XFT_IS_FONT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_XFT_FONT))
+#endif
 
 PANGO_AVAILABLE_IN_ALL
 GType      pango_xft_font_get_type (void) G_GNUC_CONST;
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