[Qemu-devel] [PATCH v2 05/12] sdl: use DisplayOptions

[Gerd Hoffmann <kraxel@redhat.com>]

Switch sdl ui to use qapi DisplayOptions for configuration.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 include/ui/console.h |  8 ++++----
 ui/sdl.c             | 19 +++++++++++++------
 ui/sdl2.c            | 33 +++++++++++++++++++--------------
 vl.c                 | 13 +++++++++++--
 qapi/ui.json         |  5 +++--
 5 files changed, 50 insertions(+), 28 deletions(-)

diff --git a/include/ui/console.h b/include/ui/console.h
index 58d1a3d27c..deee5bb606 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -435,16 +435,16 @@ void surface_gl_setup_viewport(QemuGLShader *gls,
 
 /* sdl.c */
 #ifdef CONFIG_SDL
-void sdl_display_early_init(int opengl);
-void sdl_display_init(DisplayState *ds, int full_screen);
+void sdl_display_early_init(DisplayOptions *opts);
+void sdl_display_init(DisplayState *ds, DisplayOptions *opts);
 #else
-static inline void sdl_display_early_init(int opengl)
+static inline void sdl_display_early_init(DisplayOptions *opts)
 {
     /* This must never be called if CONFIG_SDL is disabled */
     error_report("SDL support is disabled");
     abort();
 }
-static inline void sdl_display_init(DisplayState *ds, int full_screen)
+static inline void sdl_display_init(DisplayState *ds, DisplayOptions *opts)
 {
     /* This must never be called if CONFIG_SDL is disabled */
     error_report("SDL support is disabled");
diff --git a/ui/sdl.c b/ui/sdl.c
index c8f102bb9f..ca27e40299 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -41,6 +41,7 @@
 
 static DisplayChangeListener *dcl;
 static DisplaySurface *surface;
+static DisplayOptions *opts;
 static SDL_Surface *real_screen;
 static SDL_Surface *guest_screen = NULL;
 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
@@ -762,6 +763,7 @@ static void handle_activation(SDL_Event *ev)
 static void sdl_refresh(DisplayChangeListener *dcl)
 {
     SDL_Event ev1, *ev = &ev1;
+    bool allow_close = true;
     int idle = 1;
 
     if (last_vm_running != runstate_is_running()) {
@@ -786,7 +788,10 @@ static void sdl_refresh(DisplayChangeListener *dcl)
             handle_keyup(ev);
             break;
         case SDL_QUIT:
-            if (!no_quit) {
+            if (opts->has_window_close && !opts->window_close) {
+                allow_close = false;
+            }
+            if (allow_close) {
                 no_shutdown = 0;
                 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
             }
@@ -885,9 +890,9 @@ static const DisplayChangeListenerOps dcl_ops = {
     .dpy_cursor_define    = sdl_mouse_define,
 };
 
-void sdl_display_early_init(int opengl)
+void sdl_display_early_init(DisplayOptions *opts)
 {
-    if (opengl == 1 /* on */) {
+    if (opts->has_gl && opts->gl) {
         fprintf(stderr,
                 "SDL1 display code has no opengl support.\n"
                 "Please recompile qemu with SDL2, using\n"
@@ -895,7 +900,7 @@ void sdl_display_early_init(int opengl)
     }
 }
 
-void sdl_display_init(DisplayState *ds, int full_screen)
+void sdl_display_init(DisplayState *ds, DisplayOptions *o)
 {
     int flags;
     uint8_t data = 0;
@@ -903,6 +908,8 @@ void sdl_display_init(DisplayState *ds, int full_screen)
     SDL_SysWMinfo info;
     char *filename;
 
+    assert(o->type == DISPLAY_TYPE_SDL);
+    opts = o;
 #if defined(__APPLE__)
     /* always use generic keymaps */
     if (!keyboard_layout)
@@ -917,7 +924,7 @@ void sdl_display_init(DisplayState *ds, int full_screen)
     g_printerr("Running QEMU with SDL 1.2 is deprecated, and will be removed\n"
                "in a future release. Please switch to SDL 2.0 instead\n");
 
-    if (!full_screen) {
+    if (opts->has_full_screen && opts->full_screen) {
         setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
     }
 #ifdef __linux__
@@ -960,7 +967,7 @@ void sdl_display_init(DisplayState *ds, int full_screen)
         g_free(filename);
     }
 
-    if (full_screen) {
+    if (opts->has_full_screen && opts->full_screen) {
         gui_fullscreen = 1;
         sdl_grab_start();
     }
diff --git a/ui/sdl2.c b/ui/sdl2.c
index 812c315891..094782e36c 100644
--- a/ui/sdl2.c
+++ b/ui/sdl2.c
@@ -32,6 +32,7 @@
 
 static int sdl2_num_outputs;
 static struct sdl2_console *sdl2_console;
+static DisplayOptions *opts;
 
 static SDL_Surface *guest_sprite_surface;
 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
@@ -525,6 +526,7 @@ static void handle_mousewheel(SDL_Event *ev)
 static void handle_windowevent(SDL_Event *ev)
 {
     struct sdl2_console *scon = get_scon_from_window(ev->window.windowID);
+    bool allow_close = true;
 
     if (!scon) {
         return;
@@ -571,7 +573,10 @@ static void handle_windowevent(SDL_Event *ev)
         break;
     case SDL_WINDOWEVENT_CLOSE:
         if (qemu_console_is_graphic(scon->dcl.con)) {
-            if (!no_quit) {
+            if (opts->has_window_close && !opts->window_close) {
+                allow_close = false;
+            }
+            if (allow_close) {
                 no_shutdown = 0;
                 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
             }
@@ -592,6 +597,7 @@ static void handle_windowevent(SDL_Event *ev)
 void sdl2_poll_events(struct sdl2_console *scon)
 {
     SDL_Event ev1, *ev = &ev1;
+    bool allow_close = true;
     int idle = 1;
 
     if (scon->last_vm_running != runstate_is_running()) {
@@ -614,7 +620,10 @@ void sdl2_poll_events(struct sdl2_console *scon)
             handle_textinput(ev);
             break;
         case SDL_QUIT:
-            if (!no_quit) {
+            if (opts->has_window_close && !opts->window_close) {
+                allow_close = false;
+            }
+            if (allow_close) {
                 no_shutdown = 0;
                 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
             }
@@ -749,24 +758,17 @@ static const DisplayChangeListenerOps dcl_gl_ops = {
 };
 #endif
 
-void sdl_display_early_init(int opengl)
+void sdl_display_early_init(DisplayOptions *o)
 {
-    switch (opengl) {
-    case -1: /* default */
-    case 0:  /* off */
-        break;
-    case 1: /* on */
+    assert(o->type == DISPLAY_TYPE_SDL);
+    if (o->has_gl && o->gl) {
 #ifdef CONFIG_OPENGL
         display_opengl = 1;
 #endif
-        break;
-    default:
-        g_assert_not_reached();
-        break;
     }
 }
 
-void sdl_display_init(DisplayState *ds, int full_screen)
+void sdl_display_init(DisplayState *ds, DisplayOptions *o)
 {
     int flags;
     uint8_t data = 0;
@@ -774,6 +776,9 @@ void sdl_display_init(DisplayState *ds, int full_screen)
     int i;
     SDL_SysWMinfo info;
 
+    assert(o->type == DISPLAY_TYPE_SDL);
+    opts = o;
+
 #ifdef __linux__
     /* on Linux, SDL may use fbcon|directfb|svgalib when run without
      * accessible $DISPLAY to open X11 window.  This is often the case
@@ -848,7 +853,7 @@ void sdl_display_init(DisplayState *ds, int full_screen)
         g_free(filename);
     }
 
-    if (full_screen) {
+    if (opts->has_full_screen && opts->full_screen) {
         gui_fullscreen = 1;
         sdl_grab_start(0);
     }
diff --git a/vl.c b/vl.c
index 4a555de0cf..25e784be63 100644
--- a/vl.c
+++ b/vl.c
@@ -2100,6 +2100,7 @@ static LegacyDisplayType select_display(const char *p)
     if (strstart(p, "sdl", &opts)) {
 #ifdef CONFIG_SDL
         display = DT_SDL;
+        dpy.type = DISPLAY_TYPE_SDL;
         while (*opts) {
             const char *nextopt;
 
@@ -2138,19 +2139,25 @@ static LegacyDisplayType select_display(const char *p)
                 }
             } else if (strstart(opts, ",window_close=", &nextopt)) {
                 opts = nextopt;
+                dpy.has_window_close = true;
                 if (strstart(opts, "on", &nextopt)) {
                     no_quit = 0;
+                    dpy.window_close = true;
                 } else if (strstart(opts, "off", &nextopt)) {
                     no_quit = 1;
+                    dpy.window_close = false;
                 } else {
                     goto invalid_sdl_args;
                 }
             } else if (strstart(opts, ",gl=", &nextopt)) {
                 opts = nextopt;
+                dpy.has_gl = true;
                 if (strstart(opts, "on", &nextopt)) {
                     request_opengl = 1;
+                    dpy.gl = true;
                 } else if (strstart(opts, "off", &nextopt)) {
                     request_opengl = 0;
+                    dpy.gl = false;
                 } else {
                     goto invalid_sdl_args;
                 }
@@ -3679,6 +3686,7 @@ int main(int argc, char **argv, char **envp)
             case QEMU_OPTION_sdl:
 #ifdef CONFIG_SDL
                 display_type = DT_SDL;
+                dpy.type = DISPLAY_TYPE_SDL;
                 break;
 #else
                 error_report("SDL support is disabled");
@@ -4345,6 +4353,7 @@ int main(int argc, char **argv, char **envp)
         dpy.type = DISPLAY_TYPE_GTK;
 #elif defined(CONFIG_SDL)
         display_type = DT_SDL;
+        dpy.type = DISPLAY_TYPE_SDL;
 #elif defined(CONFIG_COCOA)
         display_type = DT_COCOA;
 #elif defined(CONFIG_VNC)
@@ -4369,7 +4378,7 @@ int main(int argc, char **argv, char **envp)
     }
 
     if (display_type == DT_SDL) {
-        sdl_display_early_init(request_opengl);
+        sdl_display_early_init(&dpy);
     }
 
     qemu_console_early_init();
@@ -4704,7 +4713,7 @@ int main(int argc, char **argv, char **envp)
         curses_display_init(ds, full_screen);
         break;
     case DT_SDL:
-        sdl_display_init(ds, full_screen);
+        sdl_display_init(ds, &dpy);
         break;
     case DT_COCOA:
         cocoa_display_init(ds, full_screen);
diff --git a/qapi/ui.json b/qapi/ui.json
index 2a0772a53a..9fbd2b0398 100644
--- a/qapi/ui.json
+++ b/qapi/ui.json
@@ -1017,7 +1017,7 @@
 #
 ##
 { 'enum'    : 'DisplayType',
-  'data'    : [ 'default', 'none', 'gtk' ] }
+  'data'    : [ 'default', 'none', 'gtk', 'sdl' ] }
 
 ##
 # @DisplayOptions:
@@ -1040,4 +1040,5 @@
   'discriminator' : 'type',
   'data'    : { 'default'        : 'DisplayNoOpts',
                 'none'           : 'DisplayNoOpts',
-                'gtk'            : 'DisplayGTK' } }
+                'gtk'            : 'DisplayGTK',
+                'sdl'            : 'DisplayNoOpts' } }
-- 
2.9.3