feat(table): add edit proxy widget to allow a common extensible interface for the cell editing (#517)

libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/__init__.py

@@ -11,6 +11,7 @@ from .tablewidget         import *
 from .tablewidgetitem     import *
 from .tablemodellist      import *
 from .tablemodelcsv       import *
+from .table_edit_proxy    import *
 
 if find_spec('sqlite3'):
     from .tablemodelsqlite3   import *

libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/table_edit_proxy.py

@@ -0,0 +1,484 @@
+# MIT License
+#
+# Copyright (c) 2025 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from __future__ import annotations
+
+__all__ = ['TTkTableProxyEdit', 'TTkTableEditLeaving', 'TTkTableProxyEditWidget']
+
+from dataclasses import dataclass
+from enum import Enum, auto
+from typing import Union, Tuple, Type, List, Optional, Any
+
+from TermTk.TTkCore.constant import TTkK
+from TermTk.TTkCore.string import TTkString, TTkStringType
+from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot
+from TermTk.TTkCore.TTkTerm.inputkey import TTkKeyEvent
+
+from TermTk.TTkWidgets.widget import TTkWidget
+from TermTk.TTkWidgets.texedit import TTkTextEdit, TTkTextEditView
+from TermTk.TTkWidgets.spinbox import TTkSpinBox
+from TermTk.TTkWidgets.TTkPickers.textpicker import TTkTextPicker
+
+class TTkTableEditLeaving(Enum):
+    ''' Enum indicating the direction the user is leaving the table cell editor
+
+    Used by :py:class:`TTkTableProxyEditWidget` to signal navigation intent
+    '''
+    NONE   = auto()
+    TOP    = auto()
+    BOTTOM = auto()
+    LEFT   = auto()
+    RIGHT  = auto()
+
+
+class TTkTableProxyEditWidget(TTkWidget):
+    ''' Protocol for table cell editor widgets
+
+    Any widget implementing these signals can be used as a table cell editor.
+    The protocol ensures consistent behavior across different editor types.
+
+    Example implementation::
+
+        class MyEditor(TTkLineEdit):
+            __slots__ = ('leavingTriggered', 'dataChanged')
+
+            def __init__(self, **kwargs):
+                self.leavingTriggered = pyTTkSignal(TTkTableEditLeaving)
+                self.dataChanged = pyTTkSignal(object)
+                super().__init__(**kwargs)
+                self.textChanged.connect(self.dataChanged.emit)
+    '''
+
+    leavingTriggered: pyTTkSignal
+    '''
+    This signal is emitted when the user navigates out of the editor
+
+    :param direction: The direction of navigation
+    :type direction: TTkTableEditLeaving
+    '''
+
+    dataChanged: pyTTkSignal
+    '''
+    This signal is emitted when the editor data changes
+
+    :param data: The new data value
+    :type data: object
+    '''
+
+    @staticmethod
+    def editWidgetFactory(data: object) -> TTkTableProxyEditWidget:
+        ''' Factory method to create an editor widget from data
+
+        :param data: The initial data value for the editor
+        :type data: object
+        :return: A new editor widget instance
+        :rtype: TTkTableProxyEditWidget
+        :raises NotImplementedError: Must be implemented by subclasses
+        '''
+        raise NotImplementedError()
+
+    def getCellData(self) -> object:
+        ''' Get the current data value from the editor
+
+        :return: The current cell data
+        :rtype: object
+        :raises NotImplementedError: Must be implemented by subclasses
+        '''
+        raise NotImplementedError()
+
+    def proxyDispose(self) -> None:
+        ''' Clean up the editor widget and disconnect signals
+        '''
+        self.leavingTriggered.clear()
+        self.dataChanged.clear()
+        self.close()
+
+class _TextEditViewProxy(TTkTextEditView, TTkTableProxyEditWidget):
+    ''' Text editor view for table cells
+
+    Extends :py:class:`TTkTextEditView` with table-specific signals
+    for navigation and data change notification.
+    '''
+    __slots__ = ('leavingTriggered', 'dataChanged')
+
+    leavingTriggered: pyTTkSignal
+    '''
+    This signal is emitted when the user navigates out of the editor
+
+    :param direction: The direction of navigation
+    :type direction: TTkTableEditLeaving
+    '''
+
+    dataChanged: pyTTkSignal
+    '''
+    This signal is emitted when the text content changes
+
+    :param data: The new text value
+    :type data: Union[str, TTkString]
+    '''
+
+    def __init__(self, **kwargs):
+        ''' Initialize the text edit view proxy
+
+        :param kwargs: Additional keyword arguments passed to parent
+        :type kwargs: dict
+        '''
+        self.leavingTriggered = pyTTkSignal(TTkTableEditLeaving)
+        self.dataChanged = pyTTkSignal(object)
+        super().__init__(**kwargs)
+        self.textChanged.connect(self._emitDataChanged)
+
+    def keyEvent(self, evt: TTkKeyEvent) -> bool:
+        ''' Handle keyboard events for navigation and data entry
+
+        :param evt: The keyboard event
+        :type evt: TTkKeyEvent
+        :return: True if event was handled, False otherwise
+        :rtype: bool
+        '''
+        if (evt.type == TTkK.SpecialKey):
+            _cur = self.textCursor()
+            _doc = self.document()
+            _line = _cur.anchor().line
+            _pos  = _cur.anchor().pos
+            _lineCount = _doc.lineCount()
+            if evt.mod == TTkK.NoModifier:
+                if evt.key == TTkK.Key_Enter:
+                    self.leavingTriggered.emit(TTkTableEditLeaving.BOTTOM)
+                    return True
+                elif evt.key == TTkK.Key_Up:
+                    if _line == 0:
+                        self.leavingTriggered.emit(TTkTableEditLeaving.TOP)
+                        return True
+                elif evt.key == TTkK.Key_Down:
+                    if _lineCount == 1:
+                        self.leavingTriggered.emit(TTkTableEditLeaving.BOTTOM)
+                        return True
+                elif evt.key == TTkK.Key_Left:
+                    if _pos == _line == 0:
+                        self.leavingTriggered.emit(TTkTableEditLeaving.LEFT)
+                        return True
+                elif evt.key == TTkK.Key_Right:
+                    if _lineCount == 1 and _pos == len(_doc.toPlainText()):
+                        self.leavingTriggered.emit(TTkTableEditLeaving.RIGHT)
+                        return True
+            elif (evt.type == TTkK.SpecialKey and
+                  evt.mod == TTkK.ControlModifier | TTkK.AltModifier and
+                  evt.key == TTkK.Key_M):
+                evt.mod = TTkK.NoModifier
+                evt.key = TTkK.Key_Enter
+        return super().keyEvent(evt)
+
+    @pyTTkSlot()
+    def _emitDataChanged(self) -> None:
+        ''' Emit dataChanged signal when text changes
+        '''
+        txt = self.toRawText()
+        val = str(txt) if txt.isPlainText() else txt
+        self.dataChanged.emit(val)
+
+class _TextEditProxy(TTkTextEdit, TTkTableProxyEditWidget):
+    ''' Text editor for table cells
+
+    Extends :py:class:`TTkTextEdit` with table-specific signals
+    for navigation and data change notification.
+    '''
+    __slots__ = ('leavingTriggered', 'dataChanged')
+
+    leavingTriggered: pyTTkSignal
+    '''
+    This signal is emitted when the user navigates out of the editor
+
+    :param direction: The direction of navigation
+    :type direction: TTkTableEditLeaving
+    '''
+
+    dataChanged: pyTTkSignal
+    '''
+    This signal is emitted when the text content changes
+
+    :param data: The new text value
+    :type data: Union[str, TTkString]
+    '''
+
+    def __init__(self, **kwargs):
+        ''' Initialize the text edit proxy
+
+        :param kwargs: Additional keyword arguments passed to parent
+        :type kwargs: dict
+        '''
+        self.leavingTriggered = pyTTkSignal(TTkTableEditLeaving)
+        self.dataChanged = pyTTkSignal(object)
+        tew = _TextEditViewProxy()
+        super().__init__(**kwargs | {'textEditView': tew})
+        tew.leavingTriggered.connect(self.leavingTriggered.emit)
+        tew.dataChanged.connect(self.dataChanged.emit)
+
+    @staticmethod
+    def editWidgetFactory(data: Any) -> TTkTableProxyEditWidget:
+        ''' Factory method to create a text editor from string data
+
+        :param data: The initial text value
+        :type data: Union[str, TTkString]
+        :return: A new text editor instance
+        :rtype: TTkTableProxyEditWidget
+        :raises ValueError: If data is not a string or TTkString
+        '''
+        if not isinstance(data, (TTkString, str)):
+            raise ValueError(f"{data} is not a TTkStringType")
+        te = _TextEditProxy()
+        te.setText(data)
+        return te
+
+    def getCellData(self) -> TTkStringType:
+        ''' Get the current text value from the editor
+
+        :return: The current text content
+        :rtype: Union[str, TTkString]
+        '''
+        txt = self.toRawText()
+        val = str(txt) if txt.isPlainText() else txt
+        return val
+
+class _SpinBoxProxy(TTkSpinBox, TTkTableProxyEditWidget):
+    ''' Numeric editor for table cells
+
+    Extends :py:class:`TTkSpinBox` with table-specific signals
+    for navigation and data change notification.
+    '''
+    __slots__ = ('leavingTriggered', 'dataChanged')
+
+    leavingTriggered: pyTTkSignal
+    '''
+    This signal is emitted when the user navigates out of the editor
+
+    :param direction: The direction of navigation
+    :type direction: TTkTableEditLeaving
+    '''
+
+    dataChanged: pyTTkSignal
+    '''
+    This signal is emitted when the numeric value changes
+
+    :param data: The new numeric value
+    :type data: Union[int, float]
+    '''
+
+    def __init__(self, **kwargs):
+        ''' Initialize the spin box proxy
+
+        :param kwargs: Additional keyword arguments passed to parent
+        :type kwargs: dict
+        '''
+        self.leavingTriggered = pyTTkSignal(TTkTableEditLeaving)
+        self.dataChanged = pyTTkSignal(object)
+        super().__init__(**kwargs)
+        self.valueChanged.connect(self.dataChanged.emit)
+
+    @staticmethod
+    def editWidgetFactory(data: Any) -> TTkTableProxyEditWidget:
+        ''' Factory method to create a spin box from numeric data
+
+        :param data: The initial numeric value
+        :type data: Union[int, float]
+        :return: A new spin box instance
+        :rtype: TTkTableProxyEditWidget
+        :raises ValueError: If data is not an int or float
+        '''
+        if not isinstance(data, (int, float)):
+            raise ValueError(f"{data} is not a int or float")
+        sb = _SpinBoxProxy(
+            minimum=-1000000,
+            maximum=1000000,
+            value=data)
+        return sb
+
+    def getCellData(self) -> Union[float, int]:
+        ''' Get the current numeric value from the editor
+
+        :return: The current spin box value
+        :rtype: Union[int, float]
+        '''
+        return self.value()
+
+    def keyEvent(self, evt: TTkKeyEvent) -> bool:
+        ''' Handle keyboard events for navigation
+
+        :param evt: The keyboard event
+        :type evt: TTkKeyEvent
+        :return: True if event was handled, False otherwise
+        :rtype: bool
+        '''
+        if (evt.type == TTkK.SpecialKey):
+            if evt.mod == TTkK.NoModifier:
+                if evt.key == TTkK.Key_Enter:
+                    self.leavingTriggered.emit(TTkTableEditLeaving.RIGHT)
+                    return True
+        return super().keyEvent(evt)
+
+
+class _TextPickerProxy(TTkTextPicker, TTkTableProxyEditWidget):
+    ''' Rich text editor for table cells
+
+    Extends :py:class:`TTkTextPicker` with table-specific signals
+    for navigation and data change notification.
+    '''
+    __slots__ = ('leavingTriggered', 'dataChanged')
+
+    leavingTriggered: pyTTkSignal
+    '''
+    This signal is emitted when the user navigates out of the editor
+
+    :param direction: The direction of navigation
+    :type direction: TTkTableEditLeaving
+    '''
+
+    dataChanged: pyTTkSignal
+    '''
+    This signal is emitted when the rich text content changes
+
+    :param data: The new TTkString value
+    :type data: TTkString
+    '''
+
+    def __init__(self, **kwargs):
+        ''' Initialize the text picker proxy
+
+        :param kwargs: Additional keyword arguments passed to parent
+        :type kwargs: dict
+        '''
+        self.leavingTriggered = pyTTkSignal(TTkTableEditLeaving)
+        self.dataChanged = pyTTkSignal(object)
+        super().__init__(**kwargs)
+        self.textChanged.connect(self._textChanged)
+
+    @pyTTkSlot()
+    def _textChanged(self):
+        ''' Internal slot to emit dataChanged signal
+        '''
+        self.dataChanged.emit(self.getCellData())
+
+    @staticmethod
+    def editWidgetFactory(data: Any) -> TTkTableProxyEditWidget:
+        ''' Factory method to create a text picker from string data
+
+        :param data: The initial text value
+        :type data: Union[str, TTkString]
+        :return: A new text picker instance
+        :rtype: TTkTableProxyEditWidget
+        :raises ValueError: If data is not a string or TTkString
+        '''
+        if not isinstance(data, (TTkString, str)):
+            raise ValueError(f"{data} is not a TTkStringType")
+        te = _TextPickerProxy(
+            text=data,
+            autoSize=False,
+            wrapMode=TTkK.NoWrap)
+        return te
+
+    def getCellData(self) -> TTkString:
+        ''' Get the current rich text value from the editor
+
+        :return: The current TTkString content
+        :rtype: TTkString
+        '''
+        return self.getTTkString()
+
+    def keyEvent(self, evt: TTkKeyEvent) -> bool:
+        ''' Handle keyboard events for navigation
+
+        :param evt: The keyboard event
+        :type evt: TTkKeyEvent
+        :return: True if event was handled, False otherwise
+        :rtype: bool
+        '''
+        if (evt.type == TTkK.SpecialKey):
+            if evt.mod == TTkK.NoModifier:
+                if evt.key == TTkK.Key_Enter:
+                    self.leavingTriggered.emit(TTkTableEditLeaving.RIGHT)
+                    return True
+        return super().keyEvent(evt)
+
+@dataclass
+class TTkProxyEditDef():
+    ''' Definition for table cell editor proxy
+
+    :param types: Tuple of data types this editor handles (e.g., (int, float))
+    :type types: Tuple[type, ...]
+    :param class_def: Widget class implementing TTkTableProxyEditWidget protocol
+    :type class_def: Type[TTkTableProxyEditWidget]
+    :param rich: Whether this editor supports rich text formatting
+    :type rich: bool
+    '''
+    types: Tuple[type, ...]
+    class_def: Type[TTkTableProxyEditWidget]
+    rich: bool = False
+
+class TTkTableProxyEdit():
+    ''' Proxy class for managing table cell editors
+
+    Creates and configures appropriate editor widgets based on cell data type.
+    All editors implement the :py:class:`TTkTableProxyEditWidget` protocol.
+
+    Automatically selects the correct editor type:
+    - :py:class:`_SpinBoxProxy` for int and float values
+    - :py:class:`_TextEditProxy` for plain text strings
+    - :py:class:`_TextPickerProxy` for rich text (TTkString with formatting)
+
+    Example usage::
+
+        proxy = TTkTableProxyEdit()
+        editor = proxy.getProxyWidget(data=42, rich=False)
+        if editor:
+            editor.leavingTriggered.connect(handleNavigation)
+            editor.dataChanged.connect(handleDataChange)
+    '''
+    __slots__ = ('_proxies',)
+    _proxies: List[TTkProxyEditDef]
+
+    def __init__(self):
+        ''' Initialize the table proxy edit manager
+        '''
+        self._proxies = [
+            TTkProxyEditDef(class_def=_SpinBoxProxy,    types=(int, float)),
+            TTkProxyEditDef(class_def=_TextEditProxy,   types=(str, TTkString)),
+            TTkProxyEditDef(class_def=_TextEditProxy,   types=(str,),       rich=True),
+            TTkProxyEditDef(class_def=_TextPickerProxy, types=(TTkString,), rich=True),
+        ]
+
+    def getProxyWidget(self, data, rich: bool = False) -> Optional[TTkTableProxyEditWidget]:
+        ''' Get an appropriate editor widget for the given data
+
+        :param data: The data value to edit
+        :type data: object
+        :param rich: Whether rich text editing is required
+        :type rich: bool
+        :return: An editor widget instance, or None if no suitable editor found
+        :rtype: Optional[TTkTableProxyEditWidget]
+        '''
+        for proxy in self._proxies:
+            if proxy.rich == rich and isinstance(data, proxy.types):
+                return proxy.class_def.editWidgetFactory(data)
+        for proxy in self._proxies:
+            if isinstance(data, proxy.types):
+                return proxy.class_def.editWidgetFactory(data)
+        return None

libs/pyTermTk/TermTk/TTkWidgets/TTkModelView/tablewidget.py

@@ -27,7 +27,7 @@ __all__ = ['TTkTableWidget','TTkHeaderView']
 from typing import Optional, List, Tuple, Callable, Iterator, Any, Protocol
 from dataclasses import dataclass
 
-from TermTk.TTkCore.log import TTkLog
+from TermTk.TTkCore.helper import TTkHelper
 from TermTk.TTkCore.constant import TTkK
 from TermTk.TTkCore.string import TTkString
 from TermTk.TTkCore.color import TTkColor
@@ -42,6 +42,7 @@ from TermTk.TTkWidgets.texedit  import TTkTextEdit
 from TermTk.TTkWidgets.spinbox  import TTkSpinBox
 from TermTk.TTkWidgets.TTkPickers.textpicker import TTkTextPicker
 from TermTk.TTkWidgets.TTkModelView.tablemodellist import TTkTableModelList, TTkModelIndex
+from TermTk.TTkWidgets.TTkModelView.table_edit_proxy import TTkTableProxyEdit, TTkTableProxyEditWidget, TTkTableEditLeaving
 
 from TermTk.TTkAbstract.abstractscrollview import TTkAbstractScrollView
 from TermTk.TTkAbstract.abstracttablemodel import TTkAbstractTableModel
@@ -251,6 +252,13 @@ class _DragPosType():
     fr:Tuple[int,int]
     to:Tuple[int,int]
 
+@dataclass
+class _ProxyWidgetLocation:
+    __slots__ = ('widget', 'row', 'col')
+    widget: TTkTableProxyEditWidget
+    row: int
+    col: int
+
 class TTkTableWidget(TTkAbstractScrollView):
     '''
     A :py:class:`TTkTableWidget` implements a table view that displays items from a model.
@@ -403,6 +411,7 @@ class TTkTableWidget(TTkAbstractScrollView):
                   '_sortColumn', '_sortOrder',
                   '_fastCheck', '_guessDataEdit',
                   '_snapshot', '_snapshotId',
+                  '_edit_proxy', '_edit_proxy_widget',
                   # Signals
                   # '_cellActivated',
                   '_cellChanged',
@@ -412,6 +421,8 @@ class TTkTableWidget(TTkAbstractScrollView):
                   )
 
     _select_proxy:_SelectionProxy
+    _edit_proxy:TTkTableProxyEdit
+    _edit_proxy_widget:Optional[_ProxyWidgetLocation]
     _snapshot:List[_SnapshotItems]
     _hoverPos:Optional[Tuple[int,int]]
     _currentPos:Optional[Tuple[int,int]]
@@ -421,6 +432,7 @@ class TTkTableWidget(TTkAbstractScrollView):
 
     def __init__(self, *,
                  tableModel:Optional[TTkAbstractTableModel]=None,
+                 tableEditProxy:Optional[TTkTableProxyEdit]=None,
                  vSeparator:bool=True,
                  hSeparator:bool=True,
                  vHeader:bool=True,
@@ -480,6 +492,8 @@ class TTkTableWidget(TTkAbstractScrollView):
         self._verticalHeader    = TTkHeaderView(visible=vHeader)
         self._horizontallHeader = TTkHeaderView(visible=hHeader)
         self._select_proxy = _SelectionProxy()
+        self._edit_proxy = tableEditProxy if tableEditProxy else TTkTableProxyEdit()
+        self._edit_proxy_widget = None
         self._hoverPos = None
         self._dragPos = None
         self._currentPos = None
@@ -500,8 +514,6 @@ class TTkTableWidget(TTkAbstractScrollView):
         self._verticalHeader.visibilityUpdated.connect(   self._headerVisibilityChanged)
         self._horizontallHeader.visibilityUpdated.connect(self._headerVisibilityChanged)
 
-
-
     def _saveSnapshot(self, items:list[_SnapItem], currentPos:TTkModelIndex) -> None:
         self._snapshot = self._snapshot[:self._snapshotId] + [_SnapshotItems(pos=currentPos, items=items)]
         self._snapshotId += 1
@@ -734,6 +746,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         Deselects all selected items.
         The current index will not be changed.
         '''
+        self._removeProxyWidget()
         self._select_proxy.clear()
         self.update()
 
@@ -742,6 +755,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         Selects all items in the view.
         This function will use the selection behavior set on the view when selecting.
         '''
+        self._removeProxyWidget()
         self._select_proxy.selectAll()
         self.update()
 
@@ -756,6 +770,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         :param flags: the selection model used (i.e. :py:class:`TTkItemSelectionModel.Select`)
         :type flags: :py:class:`TTkItemSelectionModel`
         '''
+        self._removeProxyWidget()
         self._select_proxy.setSelection(pos=pos, size=size, flags=flags)
         self.update()
 
@@ -766,6 +781,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         :param row: the row to be selected
         :type row: int
         '''
+        self._removeProxyWidget()
         self._select_proxy.selectRow(row=row)
         self.update()
 
@@ -776,6 +792,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         :param col: the column to be selected
         :type col: int
         '''
+        self._removeProxyWidget()
         self._select_proxy.selectColumn(col=col)
         self.update()
 
@@ -786,6 +803,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         :param row: the row to be unselected
         :type row: int
         '''
+        self._removeProxyWidget()
         self._select_proxy.unselectRow(row=row)
         self.update()
 
@@ -796,6 +814,7 @@ class TTkTableWidget(TTkAbstractScrollView):
         :param col: the column to be unselected
         :type col: int
         '''
+        self._removeProxyWidget()
         self._select_proxy.unselectColumn(col=col)
         self.update()
 
@@ -1105,122 +1124,50 @@ class TTkTableWidget(TTkAbstractScrollView):
 
         return row,col
 
-    def _editStr(self, x,y,w,h, row, col, data):
-        _te = TTkTextEdit(
-                    parent=self, pos=(x, y), size=(w,h),
-                    readOnly=False, wrapMode=TTkK.NoWrap)
-        _tev = _te.textEditView()
-        _te.setText(data)
-        _te.textCursor().movePosition(operation=TTkTextCursor.EndOfLine)
-        _te.setFocus()
-
-        @pyTTkSlot(bool)
-        def _processClose(change):
-            if change:
-                self.focusChanged.disconnect(_processClose)
-                txt = _te.toRawText()
-                val = str(txt) if txt.isPlainText() else txt
-                self._tableModel_setData([(row,col,val)])
-                self.update()
-                _te.close()
-                self.setFocus()
-
-        # Override the key event
-        _ke = _tev.keyEvent
-        _doc = _tev.document()
-        _cur = _tev.textCursor()
-        def _keyEvent(evt):
-            if ( evt.type == TTkK.SpecialKey):
-                _line = _cur.anchor().line
-                _pos  = _cur.anchor().pos
-                _lineCount = _doc.lineCount()
-                # _lineLen
-                if evt.mod==TTkK.NoModifier:
-                    if evt.key == TTkK.Key_Enter:
-                        # self.enterPressed.emit(True)
-                        self._moveCurrentCell(diff=(0,+1))
-                        _processClose(True)
-                        return True
-                    elif evt.key == TTkK.Key_Up:
-                        if _line == 0:
-                            self._moveCurrentCell(diff=(0,-1))
-                            _processClose(True)
-                            return True
-                    elif evt.key == TTkK.Key_Down:
-                        if _lineCount == 1:
-                            self._moveCurrentCell(diff=(0,+1))
-                            _processClose(True)
-                            return True
-                    elif evt.key == TTkK.Key_Left:
-                        if _pos == _line == 0:
-                            self._moveCurrentCell(diff=(-1, 0))
-                            _processClose(True)
-                            return True
-                    elif evt.key == TTkK.Key_Right:
-                        if _lineCount == 1 and _pos==len(_doc.toPlainText()):
-                            self._moveCurrentCell(diff=(+1, 0))
-                            _processClose(True)
-                            return True
-                elif ( evt.type == TTkK.SpecialKey and
-                       evt.mod==TTkK.ControlModifier|TTkK.AltModifier and
-                       evt.key == TTkK.Key_M ):
-                    evt.mod = TTkK.NoModifier
-                    evt.key = TTkK.Key_Enter
-            return _ke(evt)
-        _tev.keyEvent = _keyEvent
-
-        # _tev.enterPressed.connect(_processClose)
-        self.focusChanged.connect(_processClose)
-
-    def _editNum(self, x,y,w,h, row, col, data):
-        _sb = TTkSpinBox(
-                    parent=self, pos=(x, y), size=(w,1),
-                    minimum=-1000000, maximum=1000000,
-                    value=data)
-        _sb.setFocus()
-
-        @pyTTkSlot(bool)
-        def _processClose(change):
-            if change:
-                self.focusChanged.disconnect(_processClose)
-                val = _sb.value()
-                self._tableModel_setData([(row,col,val)])
-                self.update()
-                _sb.close()
-                self.setFocus()
-
-        # Override the key event
-        _ke = _sb.keyEvent
-        def _keyEvent(evt):
-            if ( evt.type == TTkK.SpecialKey):
-                if evt.mod==TTkK.NoModifier:
-                    if evt.key == TTkK.Key_Enter:
-                        self._moveCurrentCell( 0,+1)
-                        _processClose(True)
-                        return True
-            return _ke(evt)
-        _sb.keyEvent = _keyEvent
-
-        self.focusChanged.connect(_processClose)
-
-    def _editTTkString(self, x,y,w,h, row, col, data):
-        _tp = TTkTextPicker(
-                    parent=self, pos=(x, y), size=(w,h),
-                    text=data, autoSize=False, wrapMode=TTkK.NoWrap)
-
-        _tp.setFocus()
-
-        @pyTTkSlot(bool)
-        def _processClose(change):
-            if change:
-                self.focusChanged.disconnect(_processClose)
-                txt = _tp.getTTkString()
-                self._tableModel_setData([(row,col,txt)])
-                self.update()
-                _tp.close()
-                self.setFocus()
+    def _alignWidgets(self) -> None:
+        if not (epwl:=self._edit_proxy_widget):
+            return
+        epw = epwl.widget
+        row = epwl.row
+        col = epwl.col
+        showHS = self._showHSeparators
+        showVS = self._showVSeparators
+        rp = self._rowsPos
+        cp = self._colsPos
+        xa,xb = 1+cp[col-1] if col>0 else 0, cp[col] + (0 if showVS else 1)
+        ya,yb = 1+rp[row-1] if row>0 else 0, rp[row] + (0 if showHS else 1)
+        epw.setGeometry(xa,ya,xb-xa,yb-ya)
 
-        self.focusChanged.connect(_processClose)
+    def _removeProxyWidget(self, direction:TTkTableEditLeaving=TTkTableEditLeaving.NONE) -> None:
+        if not (epwl:=self._edit_proxy_widget):
+            return
+        epw = epwl.widget
+        row = epwl.row
+        col = epwl.col
+        self._edit_proxy_widget = None
+        self.layout().removeWidget(epw)
+        data = epw.getCellData()
+        self._tableModel_setData([(row,col,data)])
+        epw.proxyDispose()
+        if direction == TTkTableEditLeaving.TOP:
+            self._moveCurrentCell(diff=(0,-1))
+        elif direction == TTkTableEditLeaving.BOTTOM:
+            self._moveCurrentCell(diff=(0,+1))
+        if direction == TTkTableEditLeaving.LEFT:
+            self._moveCurrentCell(diff=(-1,0))
+        elif direction == TTkTableEditLeaving.RIGHT:
+            self._moveCurrentCell(diff=(+1,0))
+        TTkHelper.hideCursor()
+        self.setFocus()
+
+    def _placeProxyWidget(self, proxyWidgetLocation:_ProxyWidgetLocation) -> None:
+        self._removeProxyWidget()
+        self._edit_proxy_widget = proxyWidgetLocation
+        proxyWidget = proxyWidgetLocation.widget
+        self._alignWidgets()
+        self.layout().addWidget(proxyWidget)
+        proxyWidget.leavingTriggered.connect(self._removeProxyWidget)
+        proxyWidget.setFocus()
 
     def _editCell(self, row:int, col:int, richEditSupport:bool=True) -> None:
         if not (self._tableModel.flags(row=row,col=col) & TTkK.ItemFlag.ItemIsEditable):
@@ -1239,16 +1186,10 @@ class TTkTableWidget(TTkAbstractScrollView):
         self.setSelection(pos=(col,row),size=(1,1),flags=TTkK.TTkItemSelectionModel.Select)
 
         data = self._tableModel.data(row, col)
-        if type(data) is str:
-            self._editStr(xa,ya,xb-xa,yb-ya,row,col,data)
-        elif type(data) in [int,float]:
-            self._editNum(xa,ya,xb-xa,yb-ya,row,col,data)
-        else:
-            data = self._tableModel.ttkStringData(row, col)
-            if richEditSupport:
-                self._editTTkString(xa,ya,xb-xa,yb-ya,row,col,data)
-            else:
-                self._editStr(xa,ya,xb-xa,yb-ya,row,col,data)
+        if proxyWidget := self._edit_proxy.getProxyWidget(data, rich=richEditSupport):
+            epwl = _ProxyWidgetLocation(widget=proxyWidget, row=row, col=col)
+            self._placeProxyWidget(epwl)
+
 
     def _setCurrentCell(self, currRow:int, currCol:int) -> None:
         prevRow,prevCol = self._currentPos if self._currentPos else (0,0)
@@ -1527,7 +1468,7 @@ class TTkTableWidget(TTkAbstractScrollView):
             # Align all the other Separators relative to the selection
             for i in range(ss, len(self._colsPos)):
                 self._colsPos[i] += diff
-            # self._alignWidgets()
+            self._alignWidgets()
             self.viewChanged.emit()
             self.update()
             return True
@@ -1542,7 +1483,7 @@ class TTkTableWidget(TTkAbstractScrollView):
             # Align all the other Separators relative to the selection
             for i in range(ss, len(self._rowsPos)):
                 self._rowsPos[i] += diff
-            # self._alignWidgets()
+            self._alignWidgets()
             self.viewChanged.emit()
             self.update()
             return True
@@ -1579,6 +1520,8 @@ class TTkTableWidget(TTkAbstractScrollView):
 
         self._hoverPos = None
         self._dragPos = None
+        if self._edit_proxy_widget:
+            self._edit_proxy_widget.widget.setFocus()
         self.update()
         return True
 

tools/check.import.sh

@@ -118,6 +118,7 @@ __check(){
             -e "TTkWidgets/widget.py:from __future__ import annotations" \
             -e "TTkWidgets/tabwidget.py:from enum import Enum"  \
             -e "TTkModelView/__init__.py:from importlib.util import find_spec" \
+            -e "TTkModelView/table_edit_proxy.py:from enum import Enum, auto" \
             -e "TTkModelView/tablemodelcsv.py:import csv" \
             -e "TTkModelView/tablemodelsqlite3.py:import sqlite3" \
             -e "TTkModelView/tablemodelsqlite3.py:import threading" |