c53667764e qt: Remove obsolete QModelIndex::child() (Hennadii Stepanov)
Pull request description:
The `QModelIndex::child()` member function is [obsolete](https://doc.qt.io/qt-5.12/qmodelindex-obsolete.html) since Qt 5.12.
This PR removes it, does not change behavior and keeps compatibility with [Qt 5.5.1](https://github.com/bitcoin/bitcoin/pull/15393).
Here is an excerpt from the master build log:
```
qt/receivecoinsdialog.cpp: In member function ‘void ReceiveCoinsDialog::copyColumnToClipboard(int)’:
qt/receivecoinsdialog.cpp:264:111: warning: ‘QModelIndex QModelIndex::child(int, int) const’ is deprecated: Use QAbstractItemModel::index [-Wdeprecated-declarations]
GUIUtil::setClipboard(model->getRecentRequestsTableModel()->data(firstIndex.child(firstIndex.row(), column), Qt::EditRole).toString());
^
In file included from /home/hebasto/Qt/5.13.0/gcc_64/include/QtWidgets/qabstractitemview.h:45:0,
from /home/hebasto/Qt/5.13.0/gcc_64/include/QtWidgets/qheaderview.h:44,
from /home/hebasto/Qt/5.13.0/gcc_64/include/QtWidgets/QHeaderView:1,
from ./qt/guiutil.h:12,
from ./qt/receivecoinsdialog.h:8,
from qt/receivecoinsdialog.cpp:7:
/home/hebasto/Qt/5.13.0/gcc_64/include/QtCore/qabstractitemmodel.h:457:20: note: declared here
inline QModelIndex QModelIndex::child(int arow, int acolumn) const
^~~~~~~~~~~
```
ACKs for top commit:
laanwj:
Code review ACK c53667764e
promag:
ACK c53667764e, just read the change.
jonasschnelli:
utACK c53667764e
Tree-SHA512: 99fcb6ff60a6d47b925bda9f14006269eaad09ba4f7a41ac4975c6cf04bd906b58aed721cbfa0be7da8e6613d92e30d4be18b7e4d3960f026c7226558a4c3196
Contains Designer UI files. They are created with Qt Creator, but can be edited using any text editor.
locale
Contains translations. They are periodically updated. The process is described here.
res
Resources such as the icon.
test
Tests.
bitcoingui.(h/cpp)
Represents the main window of the Bitcoin UI.
*model.(h/cpp)
The model. When it has a corresponding controller, it generally inherits from QAbstractTableModel. Models that are used by controllers as helpers inherit from other Qt classes like QValidator.
ClientModel is used by the main application bitcoingui and several models like peertablemodel.
*page.(h/cpp)
A controller. :NAMEpage.cpp generally includes :NAMEmodel.h and forms/:NAME.page.ui with a similar :NAME.
*dialog.(h/cpp)
Various dialogs, e.g. to open a URL. Inherit from QDialog.
paymentserver.(h/cpp)
Used to process BIP21 and BIP70 (see https://github.com/bitcoin/bitcoin/pull/11622) payment URI / requests. Also handles URI based application switching (e.g. when following a bitcoin:... link from a browser).
walletview.(h/cpp)
Represents the view to a single wallet.
Other .h/cpp files
UI elements like BitcoinAmountField, which inherit from QWidget.
bitcoinstrings.cpp: automatically generated
bitcoinunits.(h/cpp): BTC / mBTC / etc handling
callback.h
guiconstants.h: UI colors, app name, etc
guiutil.h: several helper functions
macdockiconhandler.(h/mm): macOS dock icon handler
macnotificationhandler.(h/mm): display notifications in macOS
Contribute
See CONTRIBUTING.md for general guidelines. Specifically for Qt:
don't change local/bitcoin_en.ts; this happens automatically
Using Qt Creator as IDE
You can use Qt Creator as an IDE. This is especially useful if you want to change
the UI layout.
Download and install the community edition of Qt Creator.
Uncheck everything except Qt Creator during the installation process.
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