Use DejaVuSans font instead of Noto (for text). Prevent triple-select selecting the checkbox/bullet

bouquin/fonts/DejaVu.license

@@ -0,0 +1,187 @@
+Fonts are (c) Bitstream (see below). DejaVu changes are in public domain.
+Glyphs imported from Arev fonts are (c) Tavmjong Bah (see below)
+
+
+Bitstream Vera Fonts Copyright
+------------------------------
+
+Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is
+a trademark of Bitstream, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of the fonts accompanying this license ("Fonts") and associated
+documentation files (the "Font Software"), to reproduce and distribute the
+Font Software, including without limitation the rights to use, copy, merge,
+publish, distribute, and/or sell copies of the Font Software, and to permit
+persons to whom the Font Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright and trademark notices and this permission notice shall
+be included in all copies of one or more of the Font Software typefaces.
+
+The Font Software may be modified, altered, or added to, and in particular
+the designs of glyphs or characters in the Fonts may be modified and
+additional glyphs or characters may be added to the Fonts, only if the fonts
+are renamed to names not containing either the words "Bitstream" or the word
+"Vera".
+
+This License becomes null and void to the extent applicable to Fonts or Font
+Software that has been modified and is distributed under the "Bitstream
+Vera" names.
+
+The Font Software may be sold as part of a larger software package but no
+copy of one or more of the Font Software typefaces may be sold by itself.
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
+TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME
+FOUNDATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING
+ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE
+FONT SOFTWARE.
+
+Except as contained in this notice, the names of Gnome, the Gnome
+Foundation, and Bitstream Inc., shall not be used in advertising or
+otherwise to promote the sale, use or other dealings in this Font Software
+without prior written authorization from the Gnome Foundation or Bitstream
+Inc., respectively. For further information, contact: fonts at gnome dot
+org.
+
+Arev Fonts Copyright
+------------------------------
+
+Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the fonts accompanying this license ("Fonts") and
+associated documentation files (the "Font Software"), to reproduce
+and distribute the modifications to the Bitstream Vera Font Software,
+including without limitation the rights to use, copy, merge, publish,
+distribute, and/or sell copies of the Font Software, and to permit
+persons to whom the Font Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright and trademark notices and this permission notice
+shall be included in all copies of one or more of the Font Software
+typefaces.
+
+The Font Software may be modified, altered, or added to, and in
+particular the designs of glyphs or characters in the Fonts may be
+modified and additional glyphs or characters may be added to the
+Fonts, only if the fonts are renamed to names not containing either
+the words "Tavmjong Bah" or the word "Arev".
+
+This License becomes null and void to the extent applicable to Fonts
+or Font Software that has been modified and is distributed under the 
+"Tavmjong Bah Arev" names.
+
+The Font Software may be sold as part of a larger software package but
+no copy of one or more of the Font Software typefaces may be sold by
+itself.
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL
+TAVMJONG BAH BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
+
+Except as contained in this notice, the name of Tavmjong Bah shall not
+be used in advertising or otherwise to promote the sale, use or other
+dealings in this Font Software without prior written authorization
+from Tavmjong Bah. For further information, contact: tavmjong @ free
+. fr.
+
+TeX Gyre DJV Math
+-----------------
+Fonts are (c) Bitstream (see below). DejaVu changes are in public domain.
+
+Math extensions done by B. Jackowski, P. Strzelczyk and P. Pianowski
+(on behalf of TeX users groups) are in public domain.
+
+Letters imported from Euler Fraktur from AMSfonts are (c) American
+Mathematical Society (see below).
+Bitstream Vera Fonts Copyright
+Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera
+is a trademark of Bitstream, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of the fonts accompanying this license (“Fonts”) and associated
+documentation
+files (the “Font Software”), to reproduce and distribute the Font Software,
+including without limitation the rights to use, copy, merge, publish,
+distribute,
+and/or sell copies of the Font Software, and to permit persons  to whom
+the Font Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright and trademark notices and this permission notice
+shall be
+included in all copies of one or more of the Font Software typefaces.
+
+The Font Software may be modified, altered, or added to, and in particular
+the designs of glyphs or characters in the Fonts may be modified and
+additional
+glyphs or characters may be added to the Fonts, only if the fonts are
+renamed
+to names not containing either the words “Bitstream” or the word “Vera”.
+
+This License becomes null and void to the extent applicable to Fonts or
+Font Software
+that has been modified and is distributed under the “Bitstream Vera”
+names.
+
+The Font Software may be sold as part of a larger software package but
+no copy
+of one or more of the Font Software typefaces may be sold by itself.
+
+THE FONT SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
+TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME
+FOUNDATION
+BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL,
+SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN
+ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR
+INABILITY TO USE
+THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE.
+Except as contained in this notice, the names of GNOME, the GNOME
+Foundation,
+and Bitstream Inc., shall not be used in advertising or otherwise to promote
+the sale, use or other dealings in this Font Software without prior written
+authorization from the GNOME Foundation or Bitstream Inc., respectively.
+For further information, contact: fonts at gnome dot org.
+
+AMSFonts (v. 2.2) copyright
+
+The PostScript Type 1 implementation of the AMSFonts produced by and
+previously distributed by Blue Sky Research and Y&Y, Inc. are now freely
+available for general use. This has been accomplished through the
+cooperation
+of a consortium of scientific publishers with Blue Sky Research and Y&Y.
+Members of this consortium include:
+
+Elsevier Science IBM Corporation Society for Industrial and Applied
+Mathematics (SIAM) Springer-Verlag American Mathematical Society (AMS)
+
+In order to assure the authenticity of these fonts, copyright will be
+held by
+the American Mathematical Society. This is not meant to restrict in any way
+the legitimate use of the fonts, such as (but not limited to) electronic
+distribution of documents containing these fonts, inclusion of these fonts
+into other public domain or commercial font collections or computer
+applications, use of the outline data to create derivative fonts and/or
+faces, etc. However, the AMS does require that the AMS copyright notice be
+removed from any derivative versions of the fonts which have been altered in
+any way. In addition, to ensure the fidelity of TeX documents using Computer
+Modern fonts, Professor Donald Knuth, creator of the Computer Modern faces,
+has requested that any alterations which yield different font metrics be
+given a different name.
+
+$Id$

bouquin/markdown_editor.py

@@ -46,18 +46,14 @@ class MarkdownEditor(QTextEdit):
         base_dir = Path(__file__).resolve().parent
 
         # Load regular text font (primary)
-        regular_font_path = base_dir / "fonts" / "NotoSans-Regular.ttf"
+        regular_font_path = base_dir / "fonts" / "DejaVuSans.ttf"
         regular_font_id = QFontDatabase.addApplicationFont(str(regular_font_path))
-        if regular_font_id == -1:
-            print("Failed to load NotoSans-Regular.ttf")
 
         # Load Symbols font (fallback)
         symbols_font_path = base_dir / "fonts" / "NotoSansSymbols2-Regular.ttf"
         symbols_font_id = QFontDatabase.addApplicationFont(str(symbols_font_path))
         symbols_families = QFontDatabase.applicationFontFamilies(symbols_font_id)
         self.symbols_font_family = symbols_families[0]
-        if symbols_font_id == -1:
-            print("Failed to load NotoSansSymbols2-Regular.ttf")
 
         # Use the regular Noto Sans family as the editor font
         regular_families = QFontDatabase.applicationFontFamilies(regular_font_id)
@@ -92,6 +88,13 @@ class MarkdownEditor(QTextEdit):
         # Track if we're currently updating text programmatically
         self._updating = False
 
+        # Guard to avoid recursive selection tweaks
+        self._adjusting_selection = False
+
+        # After selections change, trim list prefixes from full-line selections
+        # (e.g. after triple-clicking a list item to select the line).
+        self.selectionChanged.connect(self._maybe_trim_list_prefix_from_line_selection)
+
         # Connect to text changes for smart formatting
         self.textChanged.connect(self._on_text_changed)
         self.textChanged.connect(self._update_code_block_row_backgrounds)
@@ -486,6 +489,69 @@ class MarkdownEditor(QTextEdit):
 
         return 0
 
+    def _maybe_trim_list_prefix_from_line_selection(self) -> None:
+        """
+        If the current selection looks like a full-line selection on a list item
+        (for example, from a triple-click), trim the selection so that it starts
+        just *after* the visual list prefix (checkbox / bullet / number), and
+        ends at the end of the text on that line (not on the next line's newline).
+        """
+        # Avoid re-entry when we move the cursor ourselves.
+        if getattr(self, "_adjusting_selection", False):
+            return
+
+        cursor = self.textCursor()
+        if not cursor.hasSelection():
+            return
+
+        start = cursor.selectionStart()
+        end = cursor.selectionEnd()
+        if start == end:
+            return
+
+        doc = self.document()
+        # 'end' is exclusive; use end - 1 so we land in the last selected block.
+        start_block = doc.findBlock(start)
+        end_block = doc.findBlock(end - 1)
+        if not start_block.isValid() or start_block != end_block:
+            # Only adjust single-line selections.
+            return
+
+        # How much list prefix (indent + checkbox/bullet/number) this block has
+        prefix_len = self._list_prefix_length_for_block(start_block)
+        if prefix_len <= 0:
+            return
+
+        block_start = start_block.position()
+        prefix_end = block_start + prefix_len
+
+        # If the selection already starts after the prefix, nothing to do.
+        if start >= prefix_end:
+            return
+
+        line_text = start_block.text()
+        line_end = block_start + len(line_text)  # end of visible text on this line
+
+        # Only treat it as a "full line" selection if it reaches the end of the
+        # visible text. Triple-click usually selects to at least here (often +1 for
+        # the newline).
+        if end < line_end:
+            return
+
+        # Clamp the selection so that it ends at the end of this line's text,
+        # *not* at the newline / start of the next block. This keeps the caret
+        # blinking on the selected line instead of the next line.
+        visual_end = line_end
+
+        self._adjusting_selection = True
+        try:
+            new_cursor = self.textCursor()
+            new_cursor.setPosition(prefix_end)
+            new_cursor.setPosition(visual_end, QTextCursor.KeepAnchor)
+            self.setTextCursor(new_cursor)
+        finally:
+            self._adjusting_selection = False
+
     def _detect_list_type(self, line: str) -> tuple[str | None, str]:
         """
         Detect if line is a list item. Returns (list_type, prefix).