[gtk/wip/otte/gdk-headers: 4/6] win32: Fix gcc warnings

[Benjamin Otte <otte src gnome org>]

commit d4f9d383682701daef1df0eff45872f2bc6ae203
Author: Benjamin Otte <otte redhat com>
Date:   Fri Sep 24 21:22:12 2021 +0200

    win32: Fix gcc warnings

 gdk/win32/gdkcairocontext-win32.c  |   7 --
 gdk/win32/gdkdisplay-win32.c       |   2 +
 gdk/win32/gdkdrag-win32.c          |   2 -
 gdk/win32/gdkdrop-win32.c          | 131 -------------------------------------
 gdk/win32/gdkglcontext-win32-wgl.c |   8 ---
 5 files changed, 2 insertions(+), 148 deletions(-)
---
diff --git a/gdk/win32/gdkcairocontext-win32.c b/gdk/win32/gdkcairocontext-win32.c
index a46891d8a4..9eb115ffcd 100644
--- a/gdk/win32/gdkcairocontext-win32.c
+++ b/gdk/win32/gdkcairocontext-win32.c
@@ -57,14 +57,12 @@ gdk_win32_cairo_context_begin_frame (GdkDrawContext *draw_context,
 {
   GdkWin32CairoContext *self = GDK_WIN32_CAIRO_CONTEXT (draw_context);
   GdkSurface *surface;
-  GdkWin32Surface *impl;
   int scale;
   cairo_t *cr;
   int width, height;
   RECT queued_window_rect;
 
   surface = gdk_draw_context_get_surface (draw_context);
-  impl = GDK_WIN32_SURFACE (surface);
   scale = gdk_surface_get_scale_factor (surface);
 
   queued_window_rect = gdk_win32_surface_handle_queued_move_resize (draw_context);
@@ -121,11 +119,6 @@ gdk_win32_cairo_context_end_frame (GdkDrawContext *draw_context,
                                    cairo_region_t *painted)
 {
   GdkWin32CairoContext *self = GDK_WIN32_CAIRO_CONTEXT (draw_context);
-  GdkSurface *surface;
-  int scale;
-
-  surface = gdk_draw_context_get_surface (draw_context);
-  scale = gdk_surface_get_scale_factor (surface);
 
   /* The code to resize double-buffered windows immediately
    * before blitting the buffer contents onto them used
diff --git a/gdk/win32/gdkdisplay-win32.c b/gdk/win32/gdkdisplay-win32.c
index 84d99b78a6..83038296dc 100644
--- a/gdk/win32/gdkdisplay-win32.c
+++ b/gdk/win32/gdkdisplay-win32.c
@@ -1208,7 +1208,9 @@ gdk_win32_display_init_gl (GdkDisplay  *display,
 gpointer
 gdk_win32_display_get_egl_display (GdkDisplay *display)
 {
+#ifdef GDK_WIN32_ENABLE_EGL
   GdkWin32Display *display_win32;
+#endif
 
   g_return_val_if_fail (GDK_IS_WIN32_DISPLAY (display), NULL);
 
diff --git a/gdk/win32/gdkdrag-win32.c b/gdk/win32/gdkdrag-win32.c
index 27dedf916d..f1c56c9558 100644
--- a/gdk/win32/gdkdrag-win32.c
+++ b/gdk/win32/gdkdrag-win32.c
@@ -2006,8 +2006,6 @@ static void
 gdk_win32_drag_cancel (GdkDrag             *drag,
                        GdkDragCancelReason  reason)
 {
-  GdkWin32Drag *drag_win32 = GDK_WIN32_DRAG (drag);
-
   const char *reason_str = NULL;
   switch (reason)
     {
diff --git a/gdk/win32/gdkdrop-win32.c b/gdk/win32/gdkdrop-win32.c
index a4915537c1..544a0b55c6 100644
--- a/gdk/win32/gdkdrop-win32.c
+++ b/gdk/win32/gdkdrop-win32.c
@@ -769,143 +769,12 @@ close_it (gpointer data)
 
 #endif
 
-static GdkWin32MessageFilterReturn
-gdk_dropfiles_filter (GdkWin32Display *display,
-                      MSG             *msg,
-                      int             *ret_valp,
-                      gpointer         data)
-{
-  GdkSurface *window;
-  GdkDrop *drop;
-  GdkWin32Drop *drop_win32;
-  GString *result;
-  HANDLE hdrop;
-  POINT pt;
-  int nfiles, i;
-  char *fileName, *linkedFile;
-
-  if (msg->message != WM_DROPFILES)
-    return GDK_WIN32_MESSAGE_FILTER_CONTINUE;
-
-  GDK_NOTE (DND, g_print ("WM_DROPFILES: %p\n", msg->hwnd));
-
-  window = gdk_win32_handle_table_lookup (msg->hwnd);
-
-  drop = gdk_drop_new (GDK_DISPLAY (display),
-                       gdk_seat_get_pointer (gdk_display_get_default_seat (GDK_DISPLAY (display))),
-                       NULL,
-                       /* WM_DROPFILES drops are always file names */
-                       gdk_content_formats_new ((const char *[2]) {
-                                                  "text/uri-list",
-                                                  NULL
-                                                }, 1),
-                       window,
-                       GDK_DRAG_PROTO_WIN32_DROPFILES);
-  drop_win32 = GDK_WIN32_DROP (drop);
-
-  gdk_drop_set_actions (drop, GDK_ACTION_COPY);
-
-  hdrop = (HANDLE) msg->wParam;
-  DragQueryPoint (hdrop, &pt);
-  ClientToScreen (msg->hwnd, &pt);
-
-  nfiles = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0);
-
-  result = g_string_new (NULL);
-  for (i = 0; i < nfiles; i++)
-    {
-      char *uri;
-      wchar_t wfn[MAX_PATH];
-
-      DragQueryFileW (hdrop, i, wfn, MAX_PATH);
-      fileName = g_utf16_to_utf8 (wfn, -1, NULL, NULL, NULL);
-
-      /* Resolve shortcuts */
-      if (resolve_link (msg->hwnd, wfn, &linkedFile))
-        {
-          uri = g_filename_to_uri (linkedFile, NULL, NULL);
-          if (uri != NULL)
-            {
-              g_string_append (result, uri);
-              GDK_NOTE (DND, g_print ("... %s link to %s: %s\n",
-                                      fileName, linkedFile, uri));
-              g_free (uri);
-            }
-          g_free (fileName);
-          fileName = linkedFile;
-        }
-      else
-        {
-          uri = g_filename_to_uri (fileName, NULL, NULL);
-          if (uri != NULL)
-            {
-              g_string_append (result, uri);
-              GDK_NOTE (DND, g_print ("... %s: %s\n", fileName, uri));
-              g_free (uri);
-            }
-        }
-
-#if 0
-      /* Awful hack to recognize temp files corresponding to
-       * images dragged from Firefox... Open the file right here
-       * so that it is less likely that Firefox manages to delete
-       * it before the GTK-using app (typically GIMP) has opened
-       * it.
-       *
-       * Not compiled in for now, because it means images dragged
-       * from Firefox would stay around in the temp folder which
-       * is not what Firefox intended. I don't feel comfortable
-       * with that, both from a geenral sanity point of view, and
-       * from a privacy point of view. It's better to wait for
-       * Firefox to fix the problem, for instance by deleting the
-       * temp file after a longer delay, or to wait until we
-       * implement the OLE2_DND...
-       */
-      if (filename_looks_tempish (fileName))
-        {
-          int fd = g_open (fileName, _O_RDONLY|_O_BINARY, 0);
-          if (fd == -1)
-            {
-              GDK_NOTE (DND, g_print ("Could not open %s, maybe an image dragged from Firefox that it 
already deleted\n", fileName));
-            }
-          else
-            {
-              GDK_NOTE (DND, g_print ("Opened %s as %d so that Firefox won't delete it\n", fileName, fd));
-              g_timeout_add_seconds (1, close_it, GINT_TO_POINTER (fd));
-            }
-        }
-#endif
-
-      g_free (fileName);
-      g_string_append (result, "\015\012");
-    }
-
-  g_clear_pointer (&drop_win32->dropfiles_list, g_free);
-  drop_win32->dropfiles_list = result->str;
-  g_string_free (result, FALSE);
-  if (drop_win32->dropfiles_list == NULL)
-    drop_win32->dropfiles_list = g_strdup ("");
-
-  gdk_drop_emit_drop_event (drop,
-                            FALSE, 
-                            pt.x / drop_win32->scale + _gdk_offset_x,
-                            pt.y / drop_win32->scale + _gdk_offset_y,
-                            _gdk_win32_get_next_tick (msg->time));
-
-  DragFinish (hdrop);
-
-  *ret_valp = 0;
-
-  return GDK_WIN32_MESSAGE_FILTER_REMOVE;
-}
-
 static void
 gdk_win32_drop_status (GdkDrop       *drop,
                        GdkDragAction  actions,
                        GdkDragAction  preferred)
 {
   GdkWin32Drop *drop_win32 = GDK_WIN32_DROP (drop);
-  GdkDrag *drag;
 
   g_return_if_fail (drop != NULL);
 
diff --git a/gdk/win32/gdkglcontext-win32-wgl.c b/gdk/win32/gdkglcontext-win32-wgl.c
index 97f3b81356..8f00cb242f 100644
--- a/gdk/win32/gdkglcontext-win32-wgl.c
+++ b/gdk/win32/gdkglcontext-win32-wgl.c
@@ -80,14 +80,12 @@ gdk_win32_gl_context_wgl_end_frame (GdkDrawContext *draw_context,
   GdkWin32GLContextWGL *context_wgl = GDK_WIN32_GL_CONTEXT_WGL (context);
   GdkSurface *surface = gdk_gl_context_get_surface (context);
   GdkWin32Display *display_win32 = (GDK_WIN32_DISPLAY (gdk_gl_context_get_display (context)));
-  cairo_rectangle_int_t whole_window;
   gboolean can_wait = display_win32->hasWglOMLSyncControl;
   HDC hdc;
 
   GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_wgl_parent_class)->end_frame (draw_context, painted);
 
   gdk_gl_context_make_current (context);
-  whole_window = (GdkRectangle) { 0, 0, gdk_surface_get_width (surface), gdk_surface_get_height (surface) };
 
   gdk_profiler_add_mark (GDK_PROFILER_CURRENT_TIME, 0, "win32", "swap buffers");
 
@@ -122,11 +120,6 @@ static void
 gdk_win32_gl_context_wgl_begin_frame (GdkDrawContext *draw_context,
                                       cairo_region_t *update_area)
 {
-  GdkGLContext *context = GDK_GL_CONTEXT (draw_context);
-  GdkSurface *surface;
-
-  surface = gdk_gl_context_get_surface (context);
-
   gdk_win32_surface_handle_queued_move_resize (draw_context);
 
   GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_wgl_parent_class)->begin_frame (draw_context, update_area);
@@ -563,7 +556,6 @@ gdk_win32_gl_context_wgl_realize (GdkGLContext *context,
   HGLRC hglrc;
   int pixel_format;
   HDC hdc;
-  HWND hwnd;
 
   GdkSurface *surface = gdk_gl_context_get_surface (context);
   GdkDisplay *display = gdk_gl_context_get_display (context);