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Protection against empty menus

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This commit is contained in:
Bertrand Songis
2020-06-19 12:46:02 +02:00
parent a11e8799e5
commit 88ba604533
1 changed files with 12 additions and 8 deletions
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radio/src/thirdparty/libopenui/src/menu.cpp
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+12 -8
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@@ -36,18 +36,22 @@ void MenuBody::onEvent(event_t event)
TRACE_WINDOWS("%s received event 0x%X", getWindowDebugString().c_str(), event);
if (event == EVT_ROTARY_RIGHT) {
select(int((selectedIndex + 1) % lines.size()));
if (lines.size() > 0)
select(int((selectedIndex + 1) % lines.size()));
}
else if (event == EVT_ROTARY_LEFT) {
select(int(selectedIndex == 0 ? lines.size() - 1 : selectedIndex - 1));
if (lines.size() > 0)
select(int(selectedIndex == 0 ? lines.size() - 1 : selectedIndex - 1));
}
else if (event == EVT_KEY_BREAK(KEY_ENTER)) {
if (selectedIndex < 0) {
select(0);
}
else {
Window::onEvent(event); // the window above will be closed on event
lines[selectedIndex].onPress();
if (lines.size() > 0) {
if (selectedIndex < 0) {
select(0);
}
else {
Window::onEvent(event); // the window above will be closed on event
lines[selectedIndex].onPress();
}
}
}
else if (event == EVT_KEY_BREAK(KEY_EXIT)) {