From 7c20b4a374d0016e3fce005690fb428354a56621 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 13 Nov 2012 14:51:41 +0100
Subject: console: fix displaychangelisteners interface

Split callbacks into separate Ops struct.  Pass DisplayChangeListener
pointer as first argument to all callbacks.  Uninline a bunch of
display functions and move them from console.h to console.c

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 ui/vnc.c | 44 ++++++++++++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 14 deletions(-)

(limited to 'ui/vnc.c')

diff --git a/ui/vnc.c b/ui/vnc.c
index ff4e2ae586..bdc3cd82bc 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -430,7 +430,9 @@ static void framebuffer_update_request(VncState *vs, int incremental,
 static void vnc_refresh(void *opaque);
 static int vnc_refresh_server_surface(VncDisplay *vd);
 
-static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
+static void vnc_dpy_update(DisplayChangeListener *dcl,
+                           DisplayState *ds,
+                           int x, int y, int w, int h)
 {
     int i;
     VncDisplay *vd = ds->opaque;
@@ -573,7 +575,8 @@ void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y)
     return ptr;
 }
 
-static void vnc_dpy_resize(DisplayState *ds)
+static void vnc_dpy_resize(DisplayChangeListener *dcl,
+                           DisplayState *ds)
 {
     VncDisplay *vd = ds->opaque;
     VncState *vs;
@@ -735,7 +738,10 @@ static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, i
     vnc_flush(vs);
 }
 
-static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h)
+static void vnc_dpy_copy(DisplayChangeListener *dcl,
+                         DisplayState *ds,
+                         int src_x, int src_y,
+                         int dst_x, int dst_y, int w, int h)
 {
     VncDisplay *vd = ds->opaque;
     VncState *vs, *vn;
@@ -806,7 +812,9 @@ static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int
     }
 }
 
-static void vnc_mouse_set(DisplayState *ds, int x, int y, int visible)
+static void vnc_mouse_set(DisplayChangeListener *dcl,
+                          DisplayState *ds,
+                          int x, int y, int visible)
 {
     /* can we ask the client(s) to move the pointer ??? */
 }
@@ -832,7 +840,9 @@ static int vnc_cursor_define(VncState *vs)
     return -1;
 }
 
-static void vnc_dpy_cursor_define(DisplayState *ds, QEMUCursor *c)
+static void vnc_dpy_cursor_define(DisplayChangeListener *dcl,
+                                  DisplayState *ds,
+                                  QEMUCursor *c)
 {
     VncDisplay *vd = vnc_display;
     VncState *vs;
@@ -1972,14 +1982,15 @@ static void pixel_format_message (VncState *vs) {
     vs->write_pixels = vnc_write_pixels_copy;
 }
 
-static void vnc_dpy_setdata(DisplayState *ds)
+static void vnc_dpy_setdata(DisplayChangeListener *dcl,
+                            DisplayState *ds)
 {
     VncDisplay *vd = ds->opaque;
 
     qemu_pixman_image_unref(vd->guest.fb);
     vd->guest.fb = pixman_image_ref(ds->surface->image);
     vd->guest.format = ds->surface->format;
-    vnc_dpy_update(ds, 0, 0, ds_get_width(ds), ds_get_height(ds));
+    vnc_dpy_update(dcl, ds, 0, 0, ds_get_width(ds), ds_get_height(ds));
 }
 
 static void vnc_colordepth(VncState *vs)
@@ -2686,7 +2697,7 @@ static void vnc_init_timer(VncDisplay *vd)
     vd->timer_interval = VNC_REFRESH_INTERVAL_BASE;
     if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) {
         vd->timer = qemu_new_timer_ms(rt_clock, vnc_refresh, vd);
-        vnc_dpy_resize(vd->ds);
+        vnc_dpy_resize(dcl, vd->ds);
         vnc_refresh(vd);
     }
 }
@@ -2822,6 +2833,16 @@ static void vnc_listen_websocket_read(void *opaque)
 }
 #endif /* CONFIG_VNC_WS */
 
+static const DisplayChangeListenerOps dcl_ops = {
+    .dpy_name          = "vnc",
+    .dpy_gfx_copy      = vnc_dpy_copy,
+    .dpy_gfx_update    = vnc_dpy_update,
+    .dpy_gfx_resize    = vnc_dpy_resize,
+    .dpy_gfx_setdata   = vnc_dpy_setdata,
+    .dpy_mouse_set     = vnc_mouse_set,
+    .dpy_cursor_define = vnc_dpy_cursor_define,
+};
+
 void vnc_display_init(DisplayState *ds)
 {
     VncDisplay *vs = g_malloc0(sizeof(*vs));
@@ -2852,12 +2873,7 @@ void vnc_display_init(DisplayState *ds)
     qemu_mutex_init(&vs->mutex);
     vnc_start_worker_thread();
 
-    dcl->dpy_gfx_copy = vnc_dpy_copy;
-    dcl->dpy_gfx_update = vnc_dpy_update;
-    dcl->dpy_gfx_resize = vnc_dpy_resize;
-    dcl->dpy_gfx_setdata = vnc_dpy_setdata;
-    dcl->dpy_mouse_set = vnc_mouse_set;
-    dcl->dpy_cursor_define = vnc_dpy_cursor_define;
+    dcl->ops = &dcl_ops;
     register_displaychangelistener(ds, dcl);
 }
 
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