Replace the fixed-size vc[MAX_VCS] with GPtrArray.

This is a preparatory refactoring for console hotplug support, which
needs to add/remove VCs dynamically.

Signed-off-by: Marc-André Lureau <[email protected]>
---
 include/ui/gtk.h |   3 +-
 ui/gtk.c         | 102 +++++++++++++++++++++++++++++++++++++++++++------------
 2 files changed, 81 insertions(+), 24 deletions(-)

diff --git a/include/ui/gtk.h b/include/ui/gtk.h
index 5156a049509..4d54de97ea7 100644
--- a/include/ui/gtk.h
+++ b/include/ui/gtk.h
@@ -118,8 +118,7 @@ struct GtkDisplayState {
     GtkWidget *grab_item;
     GtkWidget *grab_on_hover_item;
 
-    int nb_vcs;
-    VirtualConsole vc[MAX_VCS];
+    GPtrArray *vcs;
 
     GtkWidget *show_tabs_item;
     GtkWidget *untabify_item;
diff --git a/ui/gtk.c b/ui/gtk.c
index c26dc83ac3e..141cb69d494 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -150,8 +150,8 @@ static VirtualConsole *gd_vc_find_by_menu(GtkDisplayState 
*s)
     VirtualConsole *vc;
     gint i;
 
-    for (i = 0; i < s->nb_vcs; i++) {
-        vc = &s->vc[i];
+    for (i = 0; i < s->vcs->len; i++) {
+        vc = g_ptr_array_index(s->vcs, i);
         if (gtk_check_menu_item_get_active
             (GTK_CHECK_MENU_ITEM(vc->menu_item))) {
             return vc;
@@ -165,8 +165,11 @@ static VirtualConsole *gd_vc_find_by_page(GtkDisplayState 
*s, gint page)
     VirtualConsole *vc;
     gint i, p;
 
-    for (i = 0; i < s->nb_vcs; i++) {
-        vc = &s->vc[i];
+    if (!s->vcs) {
+        return NULL;
+    }
+    for (i = 0; i < s->vcs->len; i++) {
+        vc = g_ptr_array_index(s->vcs, i);
         p = gtk_notebook_page_num(GTK_NOTEBOOK(s->notebook), vc->tab_item);
         if (p == page) {
             return vc;
@@ -247,8 +250,8 @@ static void gd_update_caption(GtkDisplayState *s)
     gtk_window_set_title(GTK_WINDOW(s->window), title);
     g_free(title);
 
-    for (i = 0; i < s->nb_vcs; i++) {
-        VirtualConsole *vc = &s->vc[i];
+    for (i = 0; i < s->vcs->len; i++) {
+        VirtualConsole *vc = g_ptr_array_index(s->vcs, i);
 
         if (!vc->window) {
             continue;
@@ -357,7 +360,7 @@ static void gtk_release_modifiers(GtkDisplayState *s)
 {
     VirtualConsole *vc = gd_vc_find_current(s);
 
-    if (vc->type != GD_VC_GFX ||
+    if (!vc || vc->type != GD_VC_GFX ||
         !qemu_console_is_graphic(vc->gfx.dcl.con)) {
         return;
     }
@@ -702,8 +705,8 @@ static void gd_mouse_mode_change(Notifier *notify, void 
*data)
             gd_ungrab_pointer(s);
         }
     }
-    for (i = 0; i < s->nb_vcs; i++) {
-        VirtualConsole *vc = &s->vc[i];
+    for (i = 0; i < s->vcs->len; i++) {
+        VirtualConsole *vc = g_ptr_array_index(s->vcs, i);
         gd_update_cursor(vc);
     }
 }
@@ -2114,9 +2117,10 @@ static void gd_vcs_init(GtkDisplayState *s, GSList 
*group,
     int i;
 
     for (i = 0; i < nb_vcs; i++) {
-        VirtualConsole *vc = &s->vc[s->nb_vcs];
-        group = gd_vc_vte_init(s, vc, vcs[i], s->nb_vcs, group, view_menu);
-        s->nb_vcs++;
+        VirtualConsole *vc = g_new0(VirtualConsole, 1);
+        g_ptr_array_add(s->vcs, vc);
+        group = gd_vc_vte_init(s, vc, vcs[i], s->vcs->len - 1,
+                               group, view_menu);
     }
 }
 #endif /* CONFIG_VTE */
@@ -2441,13 +2445,14 @@ static GtkWidget *gd_create_menu_view(GtkDisplayState 
*s, DisplayOptions *opts)
 
     /* gfx */
     for (vc = 0;; vc++) {
+        VirtualConsole *v;
         con = qemu_console_lookup_by_index(vc);
         if (!con) {
             break;
         }
-        group = gd_vc_gfx_init(s, &s->vc[vc], con,
-                               vc, group, view_menu);
-        s->nb_vcs++;
+        v = g_new0(VirtualConsole, 1);
+        g_ptr_array_add(s->vcs, v);
+        group = gd_vc_gfx_init(s, v, con, vc, group, view_menu);
     }
 
 #if defined(CONFIG_VTE)
@@ -2505,6 +2510,58 @@ static void gd_create_menus(GtkDisplayState *s, 
DisplayOptions *opts)
 }
 
 
+static void gd_vc_free(void *p)
+{
+    VirtualConsole *vc = p;
+
+    switch (vc->type) {
+    case GD_VC_GFX:
+        qemu_console_unregister_listener(&vc->gfx.dcl);
+#if defined(CONFIG_OPENGL)
+        if (display_opengl) {
+            qemu_console_set_display_gl_ctx(vc->gfx.dcl.con, NULL);
+        }
+        if (vc->gfx.esurface) {
+            eglDestroySurface(qemu_egl_display, vc->gfx.esurface);
+        }
+        if (vc->gfx.ectx) {
+            eglDestroyContext(qemu_egl_display, vc->gfx.ectx);
+        }
+        if (vc->gfx.gls) {
+            surface_gl_destroy_texture(vc->gfx.gls, vc->gfx.ds);
+            qemu_gl_fini_shader(vc->gfx.gls);
+        }
+        egl_fb_destroy(&vc->gfx.guest_fb);
+        egl_fb_destroy(&vc->gfx.win_fb);
+        egl_fb_destroy(&vc->gfx.cursor_fb);
+#endif
+        qkbd_state_free(vc->gfx.kbd);
+        if (vc->gfx.surface) {
+            cairo_surface_destroy(vc->gfx.surface);
+        }
+        if (vc->gfx.convert) {
+            pixman_image_unref(vc->gfx.convert);
+        }
+        break;
+#if defined(CONFIG_VTE)
+    case GD_VC_VTE:
+        fifo8_destroy(&vc->vte.out_fifo);
+        break;
+#endif
+    }
+
+    if (vc->window) {
+        gtk_widget_destroy(vc->window);
+    } else if (vc->tab_item) {
+        gtk_widget_destroy(vc->tab_item);
+    }
+    if (vc->menu_item) {
+        gtk_widget_destroy(vc->menu_item);
+    }
+    g_free(vc->label);
+    g_free(vc);
+}
+
 static GtkDisplayState *gtk_display_state;
 static gboolean gtkinit;
 
@@ -2525,6 +2582,7 @@ static void gtk_display_init(DisplayState *ds, 
DisplayOptions *opts)
     assert(opts->type == DISPLAY_TYPE_GTK);
     s = g_malloc0(sizeof(*s));
     gtk_display_state = s;
+    s->vcs = g_ptr_array_new_with_free_func(gd_vc_free);
     s->opts = opts;
 
     theme = gtk_icon_theme_get_default();
@@ -2582,13 +2640,10 @@ static void gtk_display_init(DisplayState *ds, 
DisplayOptions *opts)
 
     gtk_widget_show_all(s->window);
 
-    for (idx = 0;; idx++) {
-        QemuConsole *con = qemu_console_lookup_by_index(idx);
-        if (!con) {
-            break;
-        }
-        if (s->vc[idx].type == GD_VC_GFX) {
-            gtk_widget_realize(s->vc[idx].gfx.drawing_area);
+    for (idx = 0; idx < s->vcs->len; idx++) {
+        VirtualConsole *v = g_ptr_array_index(s->vcs, idx);
+        if (v->type == GD_VC_GFX) {
+            gtk_widget_realize(v->gfx.drawing_area);
         }
     }
 
@@ -2693,6 +2748,9 @@ static void gtk_display_cleanup(void)
 
     qemu_remove_mouse_mode_change_notifier(&s->mouse_mode_notifier);
     gd_clipboard_cleanup(s);
+    g_signal_handlers_disconnect_by_func(s->notebook,
+                                         G_CALLBACK(gd_change_page), s);
+    g_clear_pointer(&s->vcs, g_ptr_array_unref);
     g_clear_pointer(&s->window, gtk_widget_destroy);
     g_clear_object(&s->null_cursor);
     g_clear_pointer(&gtk_display_state, g_free);

-- 
2.54.0


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