[PATCH] Add ability to get SpiceDisplay resolution

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add spice_display_get_width() and spice_display_get_height() to get the current
configuration of the display resolution.
---
 gtk/map-file           |  2 ++
 gtk/spice-gtk-sym-file |  2 ++
 gtk/spice-widget.c     | 45 +++++++++++++++++++++++++++++++++------------
 gtk/spice-widget.h     |  3 +++
 4 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/gtk/map-file b/gtk/map-file
index 368b44f..2f89d61 100644
--- a/gtk/map-file
+++ b/gtk/map-file
@@ -32,6 +32,8 @@ spice_display_new_with_monitor;
 spice_display_paste_from_guest;
 spice_display_send_keys;
 spice_display_set_grab_keys;
+spice_display_get_width;
+spice_display_get_height;
 spice_error_get_type;
 spice_get_option_group;
 spice_grab_sequence_as_string;
diff --git a/gtk/spice-gtk-sym-file b/gtk/spice-gtk-sym-file
index 1574e07..8c8ca0b 100644
--- a/gtk/spice-gtk-sym-file
+++ b/gtk/spice-gtk-sym-file
@@ -9,6 +9,8 @@ spice_display_new_with_monitor
 spice_display_paste_from_guest
 spice_display_send_keys
 spice_display_set_grab_keys
+spice_display_get_width
+spice_display_get_height
 spice_grab_sequence_as_string
 spice_grab_sequence_copy
 spice_grab_sequence_free
diff --git a/gtk/spice-widget.c b/gtk/spice-widget.c
index d39ff59..59b7087 100644
--- a/gtk/spice-widget.c
+++ b/gtk/spice-widget.c
@@ -278,25 +278,35 @@ static gint get_display_id(SpiceDisplay *display)
     return d->channel_id;
 }
 
-static void update_monitor_area(SpiceDisplay *display)
+static SpiceDisplayMonitorConfig* get_monitor_config(SpiceDisplay* display)
 {
-    SpiceDisplayPrivate *d = SPICE_DISPLAY_GET_PRIVATE(display);
-    SpiceDisplayMonitorConfig *cfg, *c = NULL;
-    GArray *monitors = NULL;
     int i;
+    GArray *monitors = NULL;
+    SpiceDisplayPrivate *d = SPICE_DISPLAY_GET_PRIVATE(display);
+    SpiceDisplayMonitorConfig* c = NULL;
 
-    SPICE_DEBUG("update monitor area %d:%d", d->channel_id, d->monitor_id);
-    if (d->monitor_id < 0)
-        goto whole;
+    g_return_val_if_fail(d->monitor_id >= 0, NULL);
 
     g_object_get(d->display, "monitors", &monitors, NULL);
     for (i = 0; monitors != NULL && i < monitors->len; i++) {
-        cfg = &g_array_index(monitors, SpiceDisplayMonitorConfig, i);
+        SpiceDisplayMonitorConfig *cfg = &g_array_index(monitors,
+                                                        SpiceDisplayMonitorConfig,
+                                                        i);
         if (cfg->id == d->monitor_id) {
-           c = cfg;
-           break;
+            c = cfg;
+            break;
         }
     }
+
+    g_clear_pointer(&monitors, g_array_unref);
+    return c;
+}
+
+static void update_monitor_area(SpiceDisplay *display)
+{
+    SpiceDisplayPrivate *d = SPICE_DISPLAY_GET_PRIVATE(display);
+    SpiceDisplayMonitorConfig *c = get_monitor_config(display);
+
     if (c == NULL) {
         SPICE_DEBUG("update monitor: no monitor %d", d->monitor_id);
         set_monitor_ready(display, false);
@@ -318,11 +328,9 @@ static void update_monitor_area(SpiceDisplay *display)
                                   c->x, c->y, c->width, c->height, FALSE);
 
     update_area(display, c->x, c->y, c->width, c->height);
-    g_clear_pointer(&monitors, g_array_unref);
     return;
 
 whole:
-    g_clear_pointer(&monitors, g_array_unref);
     /* by display whole surface */
     update_area(display, 0, 0, d->width, d->height);
     set_monitor_ready(display, true);
@@ -2575,6 +2583,19 @@ GdkPixbuf *spice_display_get_pixbuf(SpiceDisplay *display)
     return pixbuf;
 }
 
+gint spice_display_get_width(SpiceDisplay *display)
+{
+    SpiceDisplayMonitorConfig* cfg = get_monitor_config(display);
+    return cfg ? cfg->width : 0;
+}
+
+gint spice_display_get_height(SpiceDisplay *display)
+{
+    SpiceDisplayMonitorConfig* cfg = get_monitor_config(display);
+    return cfg ? cfg->height : 0;
+}
+
+
 #if HAVE_X11_XKBLIB_H
 static guint32 get_keyboard_lock_modifiers(Display *x_display)
 {
diff --git a/gtk/spice-widget.h b/gtk/spice-widget.h
index d239ed2..7335722 100644
--- a/gtk/spice-widget.h
+++ b/gtk/spice-widget.h
@@ -80,6 +80,9 @@ void spice_display_send_keys(SpiceDisplay *display, const guint *keyvals,
                              int nkeyvals, SpiceDisplayKeyEvent kind);
 GdkPixbuf *spice_display_get_pixbuf(SpiceDisplay *display);
 
+gint spice_display_get_width(SpiceDisplay *display);
+gint spice_display_get_height(SpiceDisplay *display);
+
 #ifndef SPICE_DISABLE_DEPRECATED
 SPICE_DEPRECATED_FOR(spice_gtk_session_copy_to_guest)
 void spice_display_copy_to_guest(SpiceDisplay *display);
-- 
1.8.3.1

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