Add image sending via clipboard paste

fixes #385

2 files changed, 16 insertions, 0 deletions

diff --git a/main/src/ui/chat_input/chat_input_controller.vala b/main/src/ui/chat_input/chat_input_controller.vala
index 533f6f0d..bd38067d 100644
--- a/main/src/ui/chat_input/chat_input_controller.vala
+++ b/main/src/ui/chat_input/chat_input_controller.vala
@@ -11,6 +11,7 @@ public class ChatInputController : Object {
 
     public signal void activate_last_message_correction();
     public signal void file_picker_selected();
+    public signal void clipboard_pasted();
 
     public new string? conversation_display_name { get; set; }
     public string? conversation_topic { get; set; }
@@ -35,6 +36,7 @@ public class ChatInputController : Object {
 
         chat_input.chat_text_view.text_view.buffer.changed.connect(on_text_input_changed);
         chat_input.chat_text_view.text_view.key_press_event.connect(on_text_input_key_press);
+        chat_input.chat_text_view.text_view.paste_clipboard.connect(() => clipboard_pasted());
 
         chat_text_view_controller.send_text.connect(send_text);
 
diff --git a/main/src/ui/conversation_view_controller.vala b/main/src/ui/conversation_view_controller.vala
index 1745593f..d830fc9e 100644
--- a/main/src/ui/conversation_view_controller.vala
+++ b/main/src/ui/conversation_view_controller.vala
@@ -39,6 +39,7 @@ public class ConversationViewController : Object {
         this.chat_input_controller = new ChatInputController(view.chat_input, stream_interactor);
         chat_input_controller.activate_last_message_correction.connect(() => view.conversation_frame.activate_last_message_correction());
         chat_input_controller.file_picker_selected.connect(() => open_file_picker());
+        chat_input_controller.clipboard_pasted.connect(on_clipboard_paste);
 
         view.conversation_frame.init(stream_interactor);
 
@@ -165,6 +166,19 @@ public class ConversationViewController : Object {
         }
     }
 
+    private void on_clipboard_paste() {
+        Clipboard clipboard = Clipboard.get(Gdk.SELECTION_CLIPBOARD);
+        if (clipboard.wait_is_image_available()) {
+            clipboard.request_image((_, pixbuf) => {
+                File file = File.new_for_path(Path.build_filename(FileManager.get_storage_dir(), Xmpp.random_uuid() + ".png"));
+                DataOutputStream fos = new DataOutputStream(file.create(FileCreateFlags.REPLACE_DESTINATION));
+                pixbuf.save_to_stream_async.begin(fos, "png", null, () => {
+                    open_send_file_overlay(file);
+                });
+            });
+        }
+    }
+
     private void on_drag_data_received(Widget widget, Gdk.DragContext context, int x, int y, SelectionData selection_data, uint target_type, uint time) {
         if ((selection_data != null) && (selection_data.get_length() >= 0)) {
             switch (target_type) {