bc3c6fea70
Extending the selection with Ctrl-arrows is different from all the other cases, as we need to combine both the selection anchor and the current cell coordinates when doing it. This means that we can't reuse the same PrepareForSelectionExpansion() helper for this case, so this function is not useful finally and this commit removes it entirely. It also replaces GetCurrentBlockCornerRow() and GetCurrentBlockCornerCol() functions with GetExtensionAnchor() which combines both of them. Finally, it adds wxGridDirectionOperations::TryToAdvance() helper to avoid repeating the IsAtBoundary() check which was previously part of PrepareForSelectionExpansion() in multiple places. And because the "extending" and normal parts of DoMoveCursorByBlock() are so different now, it also factors out AdvanceByBlock() helper which can be used to keep these parts well separate from each other instead of intermixing them together. With all these preparatory changes, it's finally possible to implement the "extending selection by block" logic relatively easily, with the bulk of this branch actually taken by comments explaining why do we have to do what we do. Add unit tests verifying that the functions used by Shift-Ctrl-arrow work as expected. |
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About
wxWidgets is a free and open source cross-platform C++ framework for writing advanced GUI applications using native controls.
wxWidgets allows you to write native-looking GUI applications for all the major desktop platforms and also helps with abstracting the differences in the non-GUI aspects between them. It is free for the use in both open source and commercial applications, comes with the full, easy to read and modify, source and extensive documentation and a collection of more than a hundred examples. You can learn more about wxWidgets at https://www.wxwidgets.org/ and read its documentation online at https://docs.wxwidgets.org/
Platforms
This version of wxWidgets supports the following primary platforms:
- Windows XP, Vista, 7, 8 and 10 (32/64 bits).
- Most Unix variants using the GTK+ toolkit (version 2.6 or newer or 3.x).
- OS X (10.7 or newer) using Cocoa (32/64 bits).
Most popular C++ compilers are supported including but not limited to:
- Microsoft Visual C++ 2003 or later (up to 2019).
- g++ 3.4 or later, including MinGW/MinGW-64/TDM under Windows.
- Clang under OS X and Linux.
- Intel icc compiler.
- Oracle (ex-Sun) aCC.
Licence
wxWidgets licence is a modified version of LGPL explicitly allowing not distributing the sources of an application using the library even in the case of static linking.
Building
For building the library, please see platform-specific documentation under
docs/<port> directory, e.g. here are the instructions for
wxGTK, wxMSW and
wxOSX.
If you're building the sources checked out from Git, and not from a released version, please see these additional Git-specific notes.
Further information
If you are looking for community support, you can get it from
- Mailing Lists
- Discussion Forums
- #wxwidgets IRC channel
- Stack Overflow
(tag your questions with
wxwidgets) - And you can report bugs at https://trac.wxwidgets.org/newticket
Commercial support is also available.
Finally, keep in mind that wxWidgets is an open source project collaboratively developed by its users and your contributions to it are always welcome. Please check our guidelines if you'd like to do it.
Have fun!
The wxWidgets Team.