This is an updated version of the demo located at the links below. Is was updated to use Python 3, WebKit2 and Gtk3.
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May 14, 2022 16:42
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PyGTK HTML WYSIWYG Editor
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| import os | |
| import gi | |
| gi.require_version("Gtk", "3.0") | |
| gi.require_version('WebKit2', '4.0') | |
| from gi.repository import Gtk, Gdk, WebKit2 | |
| class HtmlEditor(Gtk.Window): | |
| def __init__(self): | |
| super().__init__() | |
| self.set_title("Html Editor") | |
| self.connect("destroy", Gtk.main_quit) | |
| self.resize(500, 500) | |
| self.filename = None | |
| self.editor = WebKit2.WebView() | |
| self.editor.set_editable(True) | |
| self.editor.load_html("This is a test", "file:///") | |
| scroll = Gtk.ScrolledWindow() | |
| scroll.add(self.editor) | |
| scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC) | |
| self.ui = self.generate_ui() | |
| self.add_accel_group(self.ui.get_accel_group()) | |
| self.toolbar1 = self.ui.get_widget("/toolbar_main") | |
| self.toolbar2 = self.ui.get_widget("/toolbar_format") | |
| self.menubar = self.ui.get_widget("/menubar_main") | |
| self.layout = Gtk.VBox() | |
| self.layout.pack_start(self.menubar, False, False, 0) | |
| self.layout.pack_start(self.toolbar1, False, False, 0) | |
| self.layout.pack_start(self.toolbar2, False, False, 0) | |
| self.layout.pack_start(scroll, True, True, 0) | |
| self.add(self.layout) | |
| def generate_ui(self): | |
| ui_def = """ | |
| <ui> | |
| <menubar name="menubar_main"> | |
| <menu action="menuFile"> | |
| <menuitem action="new" /> | |
| <menuitem action="open" /> | |
| <menuitem action="save" /> | |
| </menu> | |
| <menu action="menuEdit"> | |
| <menuitem action="cut" /> | |
| <menuitem action="copy" /> | |
| <menuitem action="paste" /> | |
| </menu> | |
| <menu action="menuInsert"> | |
| <menuitem action="insertimage" /> | |
| </menu> | |
| <menu action="menuFormat"> | |
| <menuitem action="bold" /> | |
| <menuitem action="italic" /> | |
| <menuitem action="underline" /> | |
| <menuitem action="strikethrough" /> | |
| <separator /> | |
| <menuitem action="font" /> | |
| <menuitem action="color" /> | |
| <separator /> | |
| <menuitem action="justifyleft" /> | |
| <menuitem action="justifyright" /> | |
| <menuitem action="justifycenter" /> | |
| <menuitem action="justifyfull" /> | |
| </menu> | |
| </menubar> | |
| <toolbar name="toolbar_main"> | |
| <toolitem action="new" /> | |
| <toolitem action="open" /> | |
| <toolitem action="save" /> | |
| <separator /> | |
| <toolitem action="undo" /> | |
| <toolitem action="redo" /> | |
| <separator /> | |
| <toolitem action="cut" /> | |
| <toolitem action="copy" /> | |
| <toolitem action="paste" /> | |
| </toolbar> | |
| <toolbar name="toolbar_format"> | |
| <toolitem action="bold" /> | |
| <toolitem action="italic" /> | |
| <toolitem action="underline" /> | |
| <toolitem action="strikethrough" /> | |
| <separator /> | |
| <toolitem action="font" /> | |
| <toolitem action="color" /> | |
| <separator /> | |
| <toolitem action="justifyleft" /> | |
| <toolitem action="justifyright" /> | |
| <toolitem action="justifycenter" /> | |
| <toolitem action="justifyfull" /> | |
| <separator /> | |
| <toolitem action="insertimage" /> | |
| <toolitem action="insertlink" /> | |
| </toolbar> | |
| </ui> | |
| """ | |
| actions = Gtk.ActionGroup("Actions") | |
| actions.add_actions([ | |
| ("menuFile", None, "_File"), | |
| ("menuEdit", None, "_Edit"), | |
| ("menuInsert", None, "_Insert"), | |
| ("menuFormat", None, "_Format"), | |
| ("new", Gtk.STOCK_NEW, "_New", None, None, self.on_new), | |
| ("open", Gtk.STOCK_OPEN, "_Open", None, None, self.on_open), | |
| ("save", Gtk.STOCK_SAVE, "_Save", None, None, self.on_save), | |
| ("undo", Gtk.STOCK_UNDO, "_Undo", None, None, self.on_action), | |
| ("redo", Gtk.STOCK_REDO, "_Redo", None, None, self.on_action), | |
| ("cut", Gtk.STOCK_CUT, "_Cut", None, None, self.on_action), | |
| ("copy", Gtk.STOCK_COPY, "_Copy", None, None, self.on_action), | |
| ("paste", Gtk.STOCK_PASTE, "_Paste", None, None, self.on_paste), | |
| ("bold", Gtk.STOCK_BOLD, "_Bold", "<ctrl>B", None, self.on_action), | |
| ("italic", Gtk.STOCK_ITALIC, "_Italic", "<ctrl>I", None, self.on_action), | |
| ("underline", Gtk.STOCK_UNDERLINE, "_Underline", "<ctrl>U", None, self.on_action), | |
| ("strikethrough", Gtk.STOCK_STRIKETHROUGH, "_Strike", "<ctrl>T", None, self.on_action), | |
| ("font", Gtk.STOCK_SELECT_FONT, "Select _Font", "<ctrl>F", None, self.on_select_font), | |
| ("color", Gtk.STOCK_SELECT_COLOR, "Select _Color", None, None, self.on_select_color), | |
| ("justifyleft", Gtk.STOCK_JUSTIFY_LEFT, "Justify _Left", None, None, self.on_action), | |
| ("justifyright", Gtk.STOCK_JUSTIFY_RIGHT, "Justify _Right", None, None, self.on_action), | |
| ("justifycenter", Gtk.STOCK_JUSTIFY_CENTER, "Justify _Center", None, None, self.on_action), | |
| ("justifyfull", Gtk.STOCK_JUSTIFY_FILL, "Justify _Full", None, None, self.on_action), | |
| ("insertimage", "insert-image", "Insert _Image", None, None, self.on_insert_image), | |
| ("insertlink", "insert-link", "Insert _Link", None, None, self.on_insert_link), | |
| ]) | |
| actions.get_action("insertimage").set_property("icon-name", "insert-image") | |
| actions.get_action("insertlink").set_property("icon-name", "insert-link") | |
| ui = Gtk.UIManager() | |
| ui.insert_action_group(actions) | |
| ui.add_ui_from_string(ui_def) | |
| return ui | |
| def on_action(self, action): | |
| self.editor.run_javascript("document.execCommand('%s', false, false);" % action.get_name()) | |
| def on_paste(self, action): | |
| self.editor.execute_editing_command(WebKit2.EDITING_COMMAND_PASTE) | |
| def on_new(self, action): | |
| self.editor.load_html("", "file:///") | |
| def on_select_font(self, action): | |
| dialog = Gtk.FontChooserDialog("Select a font") | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| fname = dialog.get_font_desc().get_family() | |
| fsize = dialog.get_font_desc().get_size() | |
| self.editor.run_javascript("document.execCommand('fontname', null, '%s');" % fname) | |
| self.editor.run_javascript("document.execCommand('fontsize', null, '%s');" % fsize) | |
| dialog.destroy() | |
| def on_select_color(self, action): | |
| dialog = Gtk.ColorChooserDialog("Select Color") | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| (r, g, b, a) = dialog.get_rgba() | |
| color = "#%0.2x%0.2x%0.2x%0.2x" % ( | |
| int(r * 255), | |
| int(g * 255), | |
| int(b * 255), | |
| int(a * 255)) | |
| self.editor.run_javascript("document.execCommand('forecolor', null, '%s');" % color) | |
| dialog.destroy() | |
| def on_insert_link(self, action): | |
| dialog = Gtk.Dialog("Enter a URL:", self, 0, | |
| (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OK, Gtk.ResponseType.OK)) | |
| entry = Gtk.Entry() | |
| dialog.vbox.pack_start(entry, False, False, 0) | |
| dialog.show_all() | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| self.editor.run_javascript( | |
| "document.execCommand('createLink', true, '%s');" % entry.get_text()) | |
| dialog.destroy() | |
| def on_insert_image(self, action): | |
| dialog = Gtk.FileChooserDialog("Select an image file", self, Gtk.FileChooserAction.OPEN, | |
| (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN, Gtk.ResponseType.OK)) | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| fn = dialog.get_filename() | |
| if os.path.exists(fn): | |
| self.editor.run_javascript( | |
| "document.execCommand('insertImage', null, '%s');" % fn) | |
| dialog.destroy() | |
| def on_open(self, action): | |
| dialog = Gtk.FileChooserDialog("Select an HTML file", self, Gtk.FileChooserAction.OPEN, | |
| (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN, Gtk.ResponseType.OK)) | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| fn = dialog.get_filename() | |
| if os.path.exists(fn): | |
| self.filename = fn | |
| with open(fn) as fd: | |
| self.editor.load_html(fd.read(), "file:///") | |
| dialog.destroy() | |
| def on_save(self, action): | |
| def completion(html, user_data): | |
| open_mode = user_data | |
| with open(self.filename, open_mode) as fd: | |
| fd.write(html) | |
| if self.filename: | |
| self.get_html(completion, 'w') | |
| else: | |
| dialog = Gtk.FileChooserDialog("Select an HTML file", self, Gtk.FileChooserAction.SAVE, | |
| (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_SAVE, Gtk.ResponseType.OK)) | |
| if dialog.run() == Gtk.ResponseType.OK: | |
| self.filename = dialog.get_filename() | |
| self.get_html(completion, "w+") | |
| dialog.destroy() | |
| def get_html(self, completion_function, user_data): | |
| def javascript_completion(obj, result, user_data): | |
| html = self.editor.get_title() | |
| completion_function(html, user_data) | |
| self.editor.run_javascript("document.title=document.documentElement.innerHTML;", | |
| None, | |
| javascript_completion, | |
| user_data) | |
| e = HtmlEditor() | |
| e.show_all() | |
| Gtk.main() |
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@orchardguides You're right. I haven't thought about this project in a while. (In fact, I had totally forgotten about it!.) I'm glad to hear someone out there found it and made use of it.