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Multi-edit enhancement: column mode to multi-edit on HOME/END/Arrow keys 

This feature transforms a rectangular selection to multiple edit mode, so it's manipulatable with HOME, END and Arrow keys without loosing the set carets.

Related issue: https://github.com/notepad-plus-plus/notepad-plus-plus/issues/8203

Fix #14266, close #14313
This commit is contained in:
Don Ho 2023-11-04 12:42:21 +01:00
parent dc6bfedb90
commit b5730eea31
1 changed files with 28 additions and 0 deletions
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28
PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp
View File

@ -499,6 +499,34 @@ LRESULT ScintillaEditView::scintillaNew_Proc(HWND hwnd, UINT Message, WPARAM wPa
break;
}
case WM_KEYDOWN :
{
if ((execute(SCI_GETSELECTIONMODE) == SC_SEL_RECTANGLE) || (execute(SCI_GETSELECTIONMODE) == SC_SEL_THIN))
{
switch (wParam)
{
case VK_LEFT:
case VK_RIGHT:
case VK_UP:
case VK_DOWN:
case VK_HOME:
case VK_END:
execute(SCI_SETSELECTIONMODE, SC_SEL_STREAM); // When it's rectangular selection and the arrow keys are pressed, we switch the mode for having multiple carets.
execute(SCI_SETSELECTIONMODE, SC_SEL_STREAM); // the 2nd call for removing the unwanted selection while moving carets.
// Solution suggested by Neil Hodgson. See:
// https://sourceforge.net/p/scintilla/bugs/2412/
break;
default:
break;
}
}
break;
}
case WM_VSCROLL :
{
break;