feat(composer): focus picker

data/gresource.xml

@@ -68,6 +68,7 @@
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-radio-checked-symbolic.svg</file>
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-mail-unread-symbolic.svg</file>
         <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-starred-symbolic.svg</file>
+        <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-camera-focus-symbolic.svg</file>
         <!-- <file preprocess="xml-stripblanks">icons/scalable/actions/tuba-language-symbolic.svg</file> -->
 
         <file>gtk/help-overlay.ui</file>

data/style.css

@@ -724,3 +724,13 @@ popover.mini-profile > contents {
 .report-status:hover .attachment-picture {
 	filter: none;
 }
+
+.focuspickerdialog .last-row {
+	border-bottom-left-radius: 10px;
+	border-bottom-right-radius: 10px;
+}
+
+.focuspickerdialog .focus-picker {
+	border-radius: 9999px;
+	padding: 4px;
+}

src/API/Attachment.vala

@@ -1,9 +1,18 @@
 public class Tuba.API.Attachment : Entity, Widgetizable {
+	public class Meta : Entity {
+		public class Focus : Entity {
+			public float x { get; set; }
+			public float y { get; set; }
+		}
+
+		public Focus? focus { get; set; }
+	}
 
 	public string id { get; set; }
 	public string kind { get; set; default = "unknown"; }
 	public string url { get; set; }
 	public string? description { get; set; }
+	public Meta? meta { get; set; }
 	public string? blurhash { get; set; default=null; }
 	private string? t_preview_url { get; set; }
 	public string? preview_url {

src/Dialogs/Composer/AttachmentsPage.vala

@@ -479,10 +479,17 @@ public class Tuba.AttachmentsPage : ComposerPage {
 
 		for (var i = 0; i < attachments.get_n_items (); i++) {
 			var attachment = attachments.get_item (i) as API.Attachment;
-			var attachment_page_attachment_alt = ((AttachmentsPageAttachment) list.get_row_at_index (i).child).alt_text;
+			var page_attachment = ((AttachmentsPageAttachment) list.get_row_at_index (i).child);
+			var attachment_page_attachment_alt = page_attachment.alt_text;
 
 			attachment.description = attachment_page_attachment_alt;
-			status.add_media (attachment.id, attachment.description);
+
+			string? focus = null;
+			if (attachment.meta != null && attachment.meta.focus != null) {
+				focus = "%.2f,%.2f".printf (page_attachment.pos_x, page_attachment.pos_y);
+			}
+
+			status.add_media (attachment.id, attachment.description, focus);
 			status.media_attachments.add (attachment);
 		}
 		status.sensitive = media_sensitive;