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Add file drop support
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@ -19,6 +19,7 @@ This is a TUI (Text User Interface) image editor, inspired by MS Paint, built wi
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- [x] Open and save images
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- [x] Fancy file dialogs
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- [x] Drag and drop files to open
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- [x] Warnings when overwriting an existing file, or closing with unsaved changes
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- File formats, chosen by typing a file extension in the Save As dialog:
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- [x] ANSI (.ans) — Note that while it can load the files that it saves, you may have limited success loading other ANSI files that you find on the web, or create with other tools. ANSI files can vary a lot and even encode animations!
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@ -2,6 +2,7 @@
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import os
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import re
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import shlex
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import sys
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import psutil
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import argparse
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@ -1935,6 +1936,41 @@ class PaintApp(App[None]):
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)
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self.mount(window)
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def open_from_file_path(self, file_path: str, opened_callback: Callable[[], None]) -> None:
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try:
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# Note that os.path.samefile can raise FileNotFoundError
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if self.file_path and os.path.samefile(file_path, self.file_path):
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opened_callback()
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return
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with open(file_path, "r") as f:
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content = f.read() # f is out of scope in go_ahead()
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def go_ahead():
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try:
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new_image = AnsiArtDocument.from_text(content)
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except Exception as e:
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# "This is not a valid bitmap file, or its format is not currently supported."
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# string from MS Paint doesn't apply well here,
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# at least not until we support bitmap files.
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self.warning_message_box(_("Open"), Static(_("Paint cannot open this file.") + "\n\n" + repr(e)), "ok")
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return
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self.action_new(force=True)
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self.canvas.image = self.image = new_image
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self.canvas.refresh(layout=True)
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self.file_path = file_path
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opened_callback()
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if self.is_document_modified():
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self.prompt_save_changes(self.file_path or _("Untitled"), go_ahead)
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else:
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go_ahead()
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except FileNotFoundError:
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self.warning_message_box(_("Open"), Static(_("File not found.") + "\n" + _("Please verify that the correct path and file name are given.")), "ok")
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except IsADirectoryError:
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self.warning_message_box(_("Open"), Static(_("Invalid file.")), "ok")
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except PermissionError:
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self.warning_message_box(_("Open"), Static(_("Access denied.")), "ok")
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except Exception as e:
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self.warning_message_box(_("Open"), Static(_("An unexpected error occurred while reading %1.", file_path) + "\n\n" + repr(e)), "ok")
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def action_open(self) -> None:
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"""Show dialog to open an image from a file."""
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@ -1950,39 +1986,7 @@ class PaintApp(App[None]):
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file_path = os.path.join(self.directory_tree_selected_path, filename)
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else:
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file_path = filename
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try:
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# Note that os.path.samefile can raise FileNotFoundError
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if self.file_path and os.path.samefile(file_path, self.file_path):
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window.close()
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return
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with open(file_path, "r") as f:
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content = f.read() # f is out of scope in go_ahead()
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def go_ahead():
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try:
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new_image = AnsiArtDocument.from_text(content)
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except Exception as e:
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# "This is not a valid bitmap file, or its format is not currently supported."
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# string from MS Paint doesn't apply well here,
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# at least not until we support bitmap files.
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self.warning_message_box(_("Open"), Static(_("Paint cannot open this file.") + "\n\n" + repr(e)), "ok")
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return
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self.action_new(force=True)
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self.canvas.image = self.image = new_image
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self.canvas.refresh(layout=True)
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self.file_path = file_path
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window.close()
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if self.is_document_modified():
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self.prompt_save_changes(self.file_path or _("Untitled"), go_ahead)
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else:
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go_ahead()
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except FileNotFoundError:
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self.warning_message_box(_("Open"), Static(_("File not found.") + "\n" + _("Please verify that the correct path and file name are given.")), "ok")
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except IsADirectoryError:
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self.warning_message_box(_("Open"), Static(_("Invalid file.")), "ok")
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except PermissionError:
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self.warning_message_box(_("Open"), Static(_("Access denied.")), "ok")
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except Exception as e:
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self.warning_message_box(_("Open"), Static(_("An unexpected error occurred while reading %1.", file_path) + "\n\n" + repr(e)), "ok")
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self.open_from_file_path(file_path, window.close)
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self.close_windows("#save_as_dialog, #open_dialog")
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window = DialogWindow(
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@ -3144,6 +3148,42 @@ class PaintApp(App[None]):
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textbox.text_selection_end = Offset(x, y)
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self.canvas.refresh_scaled_region(textbox.region)
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def on_paste(self, event: events.Paste) -> None:
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"""Called when a file is dropped into the terminal, or when text is pasted with middle click."""
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# Detect file drop
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def _extract_filepaths(text: str) -> List[str]:
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"""Extracts escaped filepaths from text.
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Taken from https://github.com/agmmnn/textual-filedrop/blob/55a288df65d1397b959d55ef429e5282a0bb21ff/textual_filedrop/_filedrop.py#L17-L36
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"""
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split_filepaths = []
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if os.name == "nt":
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pattern = r'(?:[^\s"]|"(?:\\"|[^"])*")+'
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split_filepaths = re.findall(pattern, text)
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else:
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split_filepaths = shlex.split(text)
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split_filepaths = shlex.split(text)
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print(split_filepaths)
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filepaths: List[str] = []
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for i in split_filepaths:
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item = i.replace("\x00", "").replace('"', "")
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if os.path.isfile(item):
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filepaths.append(i)
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# elif os.path.isdir(item):
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# for root, _, files in os.walk(item):
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# for file in files:
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# filepaths.append(os.path.join(root, file))
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return filepaths
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filepaths = _extract_filepaths(event.text)
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if filepaths:
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file_path = filepaths[0]
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self.open_from_file_path(file_path, lambda: None)
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return
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# Text pasting is only supported with Ctrl+V or Edit > Paste, handled separately.
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return
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def action_toggle_tools_box(self) -> None:
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"""Toggles the visibility of the tools box."""
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