core/boxes: Logic for initial keypress on FILE_UPLOAD

show_file_upload_view in core.py creates an instance of FileUploadView
when called. It is called by `ctrl + o`keypress on WriteBox.

Author: Subhasish-Behera

zulipterminal/core.py

@@ -29,12 +29,14 @@
 from zulipterminal.model import Model
 from zulipterminal.platform_code import PLATFORM
 from zulipterminal.ui import Screen, View
+from zulipterminal.ui_tools.boxes import WriteBox
 from zulipterminal.ui_tools.utils import create_msg_box_list
 from zulipterminal.ui_tools.views import (
     AboutView,
     EditHistoryView,
     EditModeView,
     EmojiPickerView,
+    FileUploadView,
     FullRawMsgView,
     FullRenderedMsgView,
     HelpView,
@@ -274,6 +276,12 @@ def show_msg_info(
         )
         self.show_pop_up(msg_info_view, "area:msg")
 
+    def show_file_upload_popup(self, write_box: WriteBox) -> None:
+        file_upload_view = FileUploadView(
+            self, write_box, "Upload File"
+        )
+        self.show_pop_up(file_upload_view, "area:msg")
+
     def show_emoji_picker(self, message: Message) -> None:
         all_emoji_units = [
             (emoji_name, emoji["code"], emoji["aliases"])

zulipterminal/ui_tools/boxes.py

@@ -727,6 +727,9 @@ def keypress(self, size: urwid_Size, key: str) -> Optional[str]:
             self.is_in_typeahead_mode = False
             self.view.set_footer_text()
 
+        if is_command_key("FILE_UPLOAD", key):
+            self.model.controller.show_file_upload_popup(self)
+
         if is_command_key("SEND_MESSAGE", key):
             self.send_stop_typing_status()
             if self.compose_box_status == "open_with_stream":