5 files changed, 92 insertions, 5 deletions
diff --git a/lib/extensions/element_info.py b/lib/extensions/element_info.py
index 846bba17..2f3de736 100644
--- a/lib/extensions/element_info.py
+++ b/lib/extensions/element_info.py
@@ -4,6 +4,7 @@
 # Licensed under the GNU GPL version 3.0 or later.  See the file LICENSE for details.
 
 from ..elements import FillStitch, SatinColumn, Stroke
+from ..gui.abort_message import AbortMessageApp
 from ..gui.element_info import ElementInfoApp
 from ..i18n import _
 from ..stitch_plan import stitch_groups_to_stitch_plan
@@ -15,6 +16,11 @@ class ElementInfo(InkstitchExtension):
 
     def effect(self):
         if not self.svg.selection or not self.get_elements():
+            app = AbortMessageApp(
+                _("Please select at least one element."),
+                _("https://inkstitch.org/docs/troubleshoot/#element-info")
+            )
+            app.MainLoop()
             return
 
         self.metadata = self.get_inkstitch_metadata()
diff --git a/lib/extensions/lettering.py b/lib/extensions/lettering.py
index 76821902..918c6001 100644
--- a/lib/extensions/lettering.py
+++ b/lib/extensions/lettering.py
@@ -9,6 +9,7 @@ import inkex
 import wx
 import wx.adv
 
+from ..gui.abort_message import AbortMessageApp
 from ..gui.lettering import LetteringPanel
 from ..gui.simulator import SplitSimulatorWindow
 from ..i18n import _
@@ -41,7 +42,11 @@ class Lettering(CommandsExtension):
                         groups.add(group)
 
             if len(groups) > 1:
-                inkex.errormsg(_("Please select only one block of text."))
+                app = AbortMessageApp(
+                    _("Please select only one block of text."),
+                    _("https://inkstitch.org/docs/lettering/#lettering-tool")
+                )
+                app.MainLoop()
                 sys.exit(1)
             elif len(groups) == 0:
                 return self.create_group()
diff --git a/lib/extensions/satin_multicolor.py b/lib/extensions/satin_multicolor.py
index a6c1983e..ad2178bb 100644
--- a/lib/extensions/satin_multicolor.py
+++ b/lib/extensions/satin_multicolor.py
@@ -7,9 +7,9 @@ import sys
 
 import wx
 import wx.adv
-from inkex import errormsg
 
 from ..elements import SatinColumn
+from ..gui.abort_message import AbortMessageApp
 from ..gui.satin_multicolor import MultiColorSatinPanel
 from ..gui.simulator import SplitSimulatorWindow
 from ..i18n import _
@@ -30,7 +30,11 @@ class SatinMulticolor(InkstitchExtension):
         self.get_elements()
         satins = [element for element in self.elements if isinstance(element, SatinColumn)]
         if not satins:
-            errormsg(_("Please select at least one satin column."))
+            app = AbortMessageApp(
+                _("Please select at least one satin column."),
+                _("https://inkstitch.org/docs/satin-tools/#multicolor-satin")
+            )
+            app.MainLoop()
             return
 
         metadata = self.get_inkstitch_metadata()
diff --git a/lib/extensions/tartan.py b/lib/extensions/tartan.py
index 3acb659c..c5962499 100644
--- a/lib/extensions/tartan.py
+++ b/lib/extensions/tartan.py
@@ -7,8 +7,8 @@ import sys
 
 import wx
 import wx.adv
-from inkex import errormsg
 
+from ..gui.abort_message import AbortMessageApp
 from ..gui.simulator import SplitSimulatorWindow
 from ..gui.tartan import TartanMainPanel
 from ..i18n import _
@@ -59,9 +59,15 @@ class Tartan(InkstitchExtension):
 
     def effect(self):
         self.get_tartan_elements()
+
         if not self.elements:
-            errormsg(_("To create a tartan pattern please select at least one element with a fill color."))
+            app = AbortMessageApp(
+                _("To create a tartan pattern please select at least one element with a fill color."),
+                _("https://inkstitch.org/docs/fill-tools/#tartan")
+            )
+            app.MainLoop()
             return
+
         metadata = self.get_inkstitch_metadata()
         background_color = get_pagecolor(self.svg.namedview)
 
diff --git a/lib/gui/abort_message.py b/lib/gui/abort_message.py
new file mode 100644
index 00000000..6bec17b7
--- /dev/null
+++ b/lib/gui/abort_message.py
@@ -0,0 +1,66 @@
+# Authors: see git history
+#
+# Copyright (c) 2024 Authors
+# Licensed under the GNU GPL version 3.0 or later.  See the file LICENSE for details.
+
+import wx
+import wx.adv
+
+from ..i18n import _
+
+
+class AbortMessageFrame(wx.Frame):
+
+    def __init__(self, *args, **kwargs):
+        message = kwargs.pop("message")
+        url = kwargs.pop("url")
+        wx.Frame.__init__(self, None, wx.ID_ANY, "Ink/Stitch", *args, **kwargs)
+
+        self.SetWindowStyle(wx.FRAME_FLOAT_ON_PARENT | wx.DEFAULT_FRAME_STYLE)
+
+        main_panel = wx.Panel(self, wx.ID_ANY)
+
+        main_sizer = wx.BoxSizer(wx.VERTICAL)
+
+        help_text = wx.StaticText(
+            main_panel,
+            wx.ID_ANY,
+            message,
+            style=wx.ALIGN_LEFT
+        )
+        help_text.Wrap(500)
+        main_sizer.Add(help_text, 0, wx.ALL, 10)
+
+        if url is not None:
+            main_sizer.Add((10, 10), 0, 0, 0)
+            main_sizer.Add(wx.StaticLine(main_panel), 0, wx.LEFT | wx.RIGHT | wx.EXPAND, 10)
+
+            website_info = wx.StaticText(main_panel, wx.ID_ANY, _("More information on our website:"))
+            main_sizer.Add(website_info, 0, wx.ALL, 10)
+
+            website_link = wx.adv.HyperlinkCtrl(
+                main_panel,
+                wx.ID_ANY,
+                url,
+                url
+            )
+            main_sizer.Add(website_link, 0, wx.ALL, 10)
+        main_sizer.Add((20, 20), 0, 0, 0)
+
+        main_panel.SetSizer(main_sizer)
+        self.SetSizeHints(main_sizer.CalcMin())
+
+        self.Layout()
+
+
+class AbortMessageApp(wx.App):
+    def __init__(self, message, url=None):
+        self.message = message
+        self.url = url
+        super().__init__()
+
+    def OnInit(self):
+        self.frame = AbortMessageFrame(message=self.message, url=self.url)
+        self.SetTopWindow(self.frame)
+        self.frame.Show()
+        return True