[connections/wip/scale-mode: 3/3] vnc-connection, vnc-properties: Add scale mode setting

[Felipe Borges <felipeborges src gnome org>]

commit e1d1c9a11241806c1e88acf36c3500e07a7e3993
Author: Felipe Borges <felipeborges gnome org>
Date:   Tue May 11 17:20:35 2021 +0200

    vnc-connection, vnc-properties: Add scale mode setting
    
    This allows the display to be resized to fit the window or to
    expand to the remote's original size.

 src/vnc-connection.vala        | 17 +++++++++++++++++
 src/vnc-properties-dialog.vala | 10 ++++++++++
 2 files changed, 27 insertions(+)
---
diff --git a/src/vnc-connection.vala b/src/vnc-connection.vala
index bc4a586..1edcee4 100644
--- a/src/vnc-connection.vala
+++ b/src/vnc-connection.vala
@@ -81,6 +81,7 @@ namespace Connections {
 
         public override int port { get; protected set; default = 5900; }
         public string bandwidth { get; set; default = "hight-quality"; }
+        public string scale_mode { get; set; default = "fit-window"; }
 
         construct {
             display = new Vnc.Display ();
@@ -96,6 +97,8 @@ namespace Connections {
             display.vnc_auth_credential.connect (on_vnc_auth_credential_cb);
             display.vnc_auth_failure.connect (on_vnc_auth_failure_cb);
             display.size_allocate.connect (scale);
+
+            notify["scale-mode"].connect (scale);
         }
 
         public VncConnection (string uuid) {
@@ -206,8 +209,22 @@ namespace Connections {
             if (!display.is_open ())
                 return;
 
+            display.scaling = display.expand = false;
+
+            if (scale_mode == "original")
+                scale_to_original_size ();
+            else
+                scale_to_fit_window ();
+        }
+
+        private void scale_to_fit_window () {
             display.scaling = display.hexpand = true;
             display.width_request = display.height_request = 0;
         }
+
+        private void scale_to_original_size () {
+            display.width_request = display.width;
+            display.height_request = display.height;
+        }
     }
 }
diff --git a/src/vnc-properties-dialog.vala b/src/vnc-properties-dialog.vala
index 6cf7af3..9a47b21 100644
--- a/src/vnc-properties-dialog.vala
+++ b/src/vnc-properties-dialog.vala
@@ -49,6 +49,16 @@ namespace Connections {
                vnc.bandwidth = property_value;
             });
             add_property (bandwidth);
+
+            var scale_mode = new ComboProperty (vnc, "scale-mode", vnc.scale_mode) {
+                label = _("Scale mode")
+            };
+            scale_mode.add_option ("fit-window", _("Fit window"));
+            scale_mode.add_option ("original", _("Original size"));
+            scale_mode.changed.connect ((property_value) => {
+                vnc.scale_mode = property_value;
+            });
+            add_property (scale_mode);
         }
     }
 }