diff options
| author | Andre Hartmann <aha_1980@gmx.de> | 2017-10-04 14:32:21 +0200 |
|---|---|---|
| committer | André Hartmann <aha_1980@gmx.de> | 2017-10-04 18:57:50 +0000 |
| commit | 01df1b7a635b11c9d0985f9651cfa4ae3d037890 (patch) | |
| tree | 191dfbbd1935796a3abdc919559975d70646e77e /examples | |
| parent | f4ae73d430d9bf2bd6432e8e4a4e44d2bf5d806a (diff) | |
CAN-Example: Disable Send button if frame id is emptyv5.10.0-beta1
Every CAN frame needs a CAN-ID to be sent. Disable the Send button
with a informative tooltip if this condition is not met.
Change-Id: I77033a36c4a45c136185135776ef79185dc548be
Reviewed-by: Rolf Eike Beer <eb@emlix.com>
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/serialbus/can/sendframebox.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/examples/serialbus/can/sendframebox.cpp b/examples/serialbus/can/sendframebox.cpp index a84222d..d7a25ba 100644 --- a/examples/serialbus/can/sendframebox.cpp +++ b/examples/serialbus/can/sendframebox.cpp @@ -157,6 +157,15 @@ SendFrameBox::SendFrameBox(QWidget *parent) : m_ui->bitrateSwitchBox->setChecked(false); }); + auto frameIdTextChanged = [this]() { + const bool hasFrameId = !m_ui->frameIdEdit->text().isEmpty(); + m_ui->sendButton->setEnabled(hasFrameId); + m_ui->sendButton->setToolTip(hasFrameId + ? QString() : tr("Cannot send because no Frame ID was given.")); + }; + connect(m_ui->frameIdEdit, &QLineEdit::textChanged, frameIdTextChanged); + frameIdTextChanged(); + connect(m_ui->sendButton, &QPushButton::clicked, [this]() { const uint frameId = m_ui->frameIdEdit->text().toUInt(nullptr, 16); QString data = m_ui->payloadEdit->text(); |