Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

[WIP] Better invokeMethod #303

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open

[WIP] Better invokeMethod #303

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
83 changes: 54 additions & 29 deletions qmetaobject/src/qtdeclarative.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -195,17 +195,25 @@ impl QmlEngine {
})
}

pub fn invoke_method(&mut self, name: QByteArray, args: &[QVariant]) -> QVariant {
/// Calls [invokeMethod](https://doc.qt.io/qt-5/qmetaobject.html#invokeMethod) on first available root object
/// -- typicaly it is your Application Window.
///
/// Returns `None` if either `invokeMethod` returned `false` or there are no root object present.
pub fn invoke_method(&mut self, name: QByteArray, args: &[QVariant]) -> Option<QVariant> {
let args_size = args.len();
let args_ptr = args.as_ptr();

assert!(args_size <= 9);

cpp!(unsafe [
let mut result: bool = false;
let rz_ptr = (&mut result) as *mut bool;

let return_arg: QVariant = cpp!(unsafe [
self as "QmlEngineHolder *",
name as "QByteArray",
args_size as "size_t",
args_ptr as "QVariant *"
args_ptr as "QVariant *",
rz_ptr as "bool *"
] -> QVariant as "QVariant"
{
auto robjs = self->engine->rootObjects();
Expand All @@ -215,55 +223,72 @@ impl QmlEngine {
QVariant ret;
#define INVOKE_METHOD(...) QMetaObject::invokeMethod(robjs.first(), name, Q_RETURN_ARG(QVariant, ret) __VA_ARGS__);
switch (args_size) {
case 0: INVOKE_METHOD(); break;
case 1: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0])); break;
case 2: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1])); break;
case 3: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2])); break;
case 4: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3])); break;
case 5: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4])); break;
case 6: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5])); break;
case 7: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6])); break;
case 8: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7])); break;
case 9: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7]), Q_ARG(QVariant, args_ptr[8])); break;
case 0: *rz_ptr = INVOKE_METHOD(); break;
case 1: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0])); break;
case 2: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1])); break;
case 3: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2])); break;
case 4: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3])); break;
case 5: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4])); break;
case 6: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5])); break;
case 7: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6])); break;
case 8: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7])); break;
case 9: *rz_ptr = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7]), Q_ARG(QVariant, args_ptr[8])); break;
}
#undef INVOKE_METHOD
return ret;
})
});

return if result {
Some(return_arg)
} else {
None
}
}

/// This method is the same as [invoke_method] but does not capture or return function's return value
pub fn invoke_method_noreturn(&mut self, name: QByteArray, args: &[QVariant]) {
///
/// Returns `None` if either `invokeMethod` returned `false` or there are no root object present.
pub fn invoke_method_noreturn(&mut self, name: QByteArray, args: &[QVariant]) -> Option<()> {
let args_size = args.len();
let args_ptr = args.as_ptr();

assert!(args_size <= 9);

cpp!(unsafe [
let result: bool = cpp!(unsafe [
self as "QmlEngineHolder *",
name as "QByteArray",
args_size as "size_t",
args_ptr as "QVariant *"
] {
] -> bool as "bool" {
auto robjs = self->engine->rootObjects();
if (robjs.isEmpty()) {
return;
return false;
}

bool rz = false;
#define INVOKE_METHOD(...) QMetaObject::invokeMethod(robjs.first(), name __VA_ARGS__);
switch (args_size) {
case 0: INVOKE_METHOD(); break;
case 1: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0])); break;
case 2: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1])); break;
case 3: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2])); break;
case 4: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3])); break;
case 5: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4])); break;
case 6: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5])); break;
case 7: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6])); break;
case 8: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7])); break;
case 9: INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7]), Q_ARG(QVariant, args_ptr[8])); break;
case 0: rz = INVOKE_METHOD(); break;
case 1: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0])); break;
case 2: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1])); break;
case 3: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2])); break;
case 4: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3])); break;
case 5: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4])); break;
case 6: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5])); break;
case 7: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6])); break;
case 8: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7])); break;
case 9: rz = INVOKE_METHOD(, Q_ARG(QVariant, args_ptr[0]), Q_ARG(QVariant, args_ptr[1]), Q_ARG(QVariant, args_ptr[2]), Q_ARG(QVariant, args_ptr[3]), Q_ARG(QVariant, args_ptr[4]), Q_ARG(QVariant, args_ptr[5]), Q_ARG(QVariant, args_ptr[6]), Q_ARG(QVariant, args_ptr[7]), Q_ARG(QVariant, args_ptr[8])); break;
}
#undef INVOKE_METHOD
})

return rz;
});

return if result {
Some(())
} else {
None
}
}

pub fn trim_component_cache(&self) {
Expand Down
Loading