Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20151103-1' into staging

ui: fixes for vnc, opengl and curses.

# gpg: Signature made Tue 03 Nov 2015 09:53:24 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-ui-20151103-1:
  vnc: fix bug: vnc server can't start when 'to' is specified
  vnc: allow fall back to RAW encoding
  ui/opengl: Reduce build required libraries for opengl
  ui/curses: Fix pageup/pagedown on -curses
  ui/curses: Support line graphics chars on -curses mode
  ui/curses: Fix monitor color with -curses when 256 colors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

7 files changed, 94 insertions, 26 deletions

diff --git a/configure b/configure
index 7a1d08d..b4a3488 100755
--- a/configure
+++ b/configure
@@ -3286,25 +3286,11 @@ fi
 libs_softmmu="$libs_softmmu $fdt_libs"
 
 ##########################################
-# opengl probe (for sdl2, milkymist-tmu2)
-
-# GLX probe, used by milkymist-tmu2
-# this is temporary, code will be switched to egl mid-term.
-cat > $TMPC << EOF
-#include <X11/Xlib.h>
-#include <GL/gl.h>
-#include <GL/glx.h>
-int main(void) { glBegin(0); glXQueryVersion(0,0,0); return 0; }
-EOF
-if compile_prog "" "-lGL -lX11" ; then
-  have_glx=yes
-else
-  have_glx=no
-fi
+# opengl probe (for sdl2, gtk, milkymist-tmu2)
 
 if test "$opengl" != "no" ; then
-  opengl_pkgs="gl glesv2 epoxy egl"
-  if $pkg_config $opengl_pkgs x11 && test "$have_glx" = "yes"; then
+  opengl_pkgs="epoxy"
+  if $pkg_config $opengl_pkgs x11; then
     opengl_cflags="$($pkg_config --cflags $opengl_pkgs) $x11_cflags"
     opengl_libs="$($pkg_config --libs $opengl_pkgs) $x11_libs"
     opengl=yes
diff --git a/hw/display/milkymist-tmu2.c b/hw/display/milkymist-tmu2.c
index 3e1d0b9..e2de281 100644
--- a/hw/display/milkymist-tmu2.c
+++ b/hw/display/milkymist-tmu2.c
@@ -30,8 +30,8 @@
 #include "qemu/error-report.h"
 
 #include <X11/Xlib.h>
-#include <GL/gl.h>
-#include <GL/glx.h>
+#include <epoxy/gl.h>
+#include <epoxy/glx.h>
 
 enum {
     R_CTL = 0,
diff --git a/hw/lm32/milkymist-hw.h b/hw/lm32/milkymist-hw.h
index 8d20cac..c8dfb4d 100644
--- a/hw/lm32/milkymist-hw.h
+++ b/hw/lm32/milkymist-hw.h
@@ -88,7 +88,8 @@ static inline DeviceState *milkymist_pfpu_create(hwaddr base,
 
 #ifdef CONFIG_OPENGL
 #include <X11/Xlib.h>
-#include <GL/glx.h>
+#include <epoxy/gl.h>
+#include <epoxy/glx.h>
 static const int glx_fbconfig_attr[] = {
     GLX_GREEN_SIZE, 5,
     GLX_GREEN_SIZE, 6,
diff --git a/include/ui/console.h b/include/ui/console.h
index d887f91..c249db4 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -321,13 +321,23 @@ static inline pixman_format_code_t surface_format(DisplaySurface *s)
 #ifdef CONFIG_CURSES
 #include <curses.h>
 typedef chtype console_ch_t;
+extern chtype vga_to_curses[];
 #else
 typedef unsigned long console_ch_t;
 #endif
 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 {
-    if (!(ch & 0xff))
+    uint8_t c = ch;
+#ifdef CONFIG_CURSES
+    if (vga_to_curses[c]) {
+        ch &= ~(console_ch_t)0xff;
+        ch |= vga_to_curses[c];
+    }
+#else
+    if (c == '\0') {
         ch |= ' ';
+    }
+#endif
     *dest = ch;
 }
 
diff --git a/ui/curses.c b/ui/curses.c
index 8edb038..266260a 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -42,6 +42,8 @@ static WINDOW *screenpad = NULL;
 static int width, height, gwidth, gheight, invalidate;
 static int px, py, sminx, sminy, smaxx, smaxy;
 
+chtype vga_to_curses[256];
+
 static void curses_update(DisplayChangeListener *dcl,
                           int x, int y, int w, int h)
 {
@@ -341,8 +343,55 @@ static void curses_setup(void)
     nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
     start_color(); raw(); scrollok(stdscr, FALSE);
 
-    for (i = 0; i < 64; i ++)
+    for (i = 0; i < 64; i++) {
         init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
+    }
+    /* Set default color for more than 64. (monitor uses 0x74xx for example) */
+    for (i = 64; i < COLOR_PAIRS; i++) {
+        init_pair(i, COLOR_WHITE, COLOR_BLACK);
+    }
+
+    /*
+     * Setup mapping for vga to curses line graphics.
+     * FIXME: for better font, have to use ncursesw and setlocale()
+     */
+#if 0
+    /* FIXME: map from where? */
+    ACS_S1;
+    ACS_S3;
+    ACS_S7;
+    ACS_S9;
+#endif
+    /* ACS_* is not constant. So, we can't initialize statically. */
+    vga_to_curses['\0'] = ' ';
+    vga_to_curses[0x04] = ACS_DIAMOND;
+    vga_to_curses[0x0a] = ACS_RARROW;
+    vga_to_curses[0x0b] = ACS_LARROW;
+    vga_to_curses[0x18] = ACS_UARROW;
+    vga_to_curses[0x19] = ACS_DARROW;
+    vga_to_curses[0x9c] = ACS_STERLING;
+    vga_to_curses[0xb0] = ACS_BOARD;
+    vga_to_curses[0xb1] = ACS_CKBOARD;
+    vga_to_curses[0xb3] = ACS_VLINE;
+    vga_to_curses[0xb4] = ACS_RTEE;
+    vga_to_curses[0xbf] = ACS_URCORNER;
+    vga_to_curses[0xc0] = ACS_LLCORNER;
+    vga_to_curses[0xc1] = ACS_BTEE;
+    vga_to_curses[0xc2] = ACS_TTEE;
+    vga_to_curses[0xc3] = ACS_LTEE;
+    vga_to_curses[0xc4] = ACS_HLINE;
+    vga_to_curses[0xc5] = ACS_PLUS;
+    vga_to_curses[0xce] = ACS_LANTERN;
+    vga_to_curses[0xd8] = ACS_NEQUAL;
+    vga_to_curses[0xd9] = ACS_LRCORNER;
+    vga_to_curses[0xda] = ACS_ULCORNER;
+    vga_to_curses[0xdb] = ACS_BLOCK;
+    vga_to_curses[0xe3] = ACS_PI;
+    vga_to_curses[0xf1] = ACS_PLMINUS;
+    vga_to_curses[0xf2] = ACS_GEQUAL;
+    vga_to_curses[0xf3] = ACS_LEQUAL;
+    vga_to_curses[0xf8] = ACS_DEGREE;
+    vga_to_curses[0xfe] = ACS_BULLET;
 }
 
 static void curses_keyboard_setup(void)
diff --git a/ui/curses_keys.h b/ui/curses_keys.h
index 18ce6dc..f746744 100644
--- a/ui/curses_keys.h
+++ b/ui/curses_keys.h
@@ -29,8 +29,7 @@
 #include "keymaps.h"
 
 
-#define KEY_RELEASE         0x80
-#define KEY_MASK            0x7f
+#define KEY_MASK            SCANCODE_KEYMASK
 #define GREY_CODE           0xe0
 #define GREY                SCANCODE_GREY
 #define SHIFT_CODE          0x2a
@@ -60,6 +59,8 @@ static const int curses2keysym[CURSES_KEYS] = {
     ['\n'] = KEY_ENTER,
     [27] = 27,
     [KEY_BTAB] = '\t' | KEYSYM_SHIFT,
+    [KEY_SPREVIOUS] = KEY_PPAGE | KEYSYM_SHIFT,
+    [KEY_SNEXT] = KEY_NPAGE | KEYSYM_SHIFT,
 };
 
 static const int curses2keycode[CURSES_KEYS] = {
@@ -149,6 +150,9 @@ static const int curses2keycode[CURSES_KEYS] = {
     [KEY_IC] = 82 | GREY, /* Insert */
     [KEY_DC] = 83 | GREY, /* Delete */
 
+    [KEY_SPREVIOUS] = 73 | GREY | SHIFT, /* Shift + Page Up */
+    [KEY_SNEXT] = 81 | GREY | SHIFT, /* Shift + Page Down */
+
     ['!'] = 2 | SHIFT,
     ['@'] = 3 | SHIFT,
     ['#'] = 4 | SHIFT,
diff --git a/ui/vnc.c b/ui/vnc.c
index 7b37e3b..a47f2b3 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -840,6 +840,8 @@ int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
 int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
 {
     int n = 0;
+    bool encode_raw = false;
+    size_t saved_offs = vs->output.offset;
 
     switch(vs->vnc_encoding) {
         case VNC_ENCODING_ZLIB:
@@ -862,10 +864,24 @@ int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
             n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h);
             break;
         default:
-            vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
-            n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
+            encode_raw = true;
             break;
     }
+
+    /* If the client has the same pixel format as our internal buffer and
+     * a RAW encoding would need less space fall back to RAW encoding to
+     * save bandwidth and processing power in the client. */
+    if (!encode_raw && vs->write_pixels == vnc_write_pixels_copy &&
+        12 + h * w * VNC_SERVER_FB_BYTES <= (vs->output.offset - saved_offs)) {
+        vs->output.offset = saved_offs;
+        encode_raw = true;
+    }
+
+    if (encode_raw) {
+        vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
+        n = vnc_raw_send_framebuffer_update(vs, x, y, w, h);
+    }
+
     return n;
 }
 
@@ -3556,6 +3572,8 @@ void vnc_display_open(const char *id, Error **errp)
             if (to) {
                 saddr->u.inet->has_to = true;
                 saddr->u.inet->to = to;
+                saddr->u.inet->has_to = true;
+                saddr->u.inet->to = to + 5900;
             }
             saddr->u.inet->ipv4 = saddr->u.inet->has_ipv4 = has_ipv4;
             saddr->u.inet->ipv6 = saddr->u.inet->has_ipv6 = has_ipv6;