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authorHenrik Kinnunen <fluxgen@fluxbox.org>2010-03-18 09:45:33 (GMT)
committerHenrik Kinnunen <fluxgen@fluxbox.org>2010-03-18 09:45:33 (GMT)
commit0504de454a0a3bf06466029940af480e3caaa8b2 (patch)
tree0c4507b4fe965cbe2080329ef9bad443c14fa6aa /src/tests
parent5a91ada3c6c9f199b3646465206d4b2b613cad3e (diff)
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Added MemFunIgnoreArgs which ignores aditional arguments.
For example connecting a function that takes two arguments to a signal that emits three arguments: struct Functor { void show(int a, int b); }; Functor f; Signal<void, int, int, int> s3; s3.connect(MemFunIgnoreArgs(f, &Functor::show));
Diffstat (limited to 'src/tests')
-rw-r--r--src/tests/testSignals.cc23
1 files changed, 22 insertions, 1 deletions
diff --git a/src/tests/testSignals.cc b/src/tests/testSignals.cc
index 86096bf..6d68d3a 100644
--- a/src/tests/testSignals.cc
+++ b/src/tests/testSignals.cc
@@ -21,7 +21,8 @@ struct OneArgument {
21}; 21};
22 22
23struct TwoArguments { 23struct TwoArguments {
24 void operator ()( int value, const string& message ) { 24 template <typename T1, typename T2>
25 void operator ()( const T1& value, const T2& message ) {
25 cout << "Two arguments, (1) = " << value << ", (2) = " << message << endl; 26 cout << "Two arguments, (1) = " << value << ", (2) = " << message << endl;
26 } 27 }
27}; 28};
@@ -51,6 +52,9 @@ struct FunctionClass {
51 void showMessage( int value, const string& message ) { 52 void showMessage( int value, const string& message ) {
52 cout << "(" << value << "): " << message << endl; 53 cout << "(" << value << "): " << message << endl;
53 } 54 }
55 void showMessage2( const string& message1, const string& message2) {
56 cout << "(" << message1 << ", " << message2 << ")" << endl;
57 }
54 void threeArgs( int value, const string& str, double pi ) { 58 void threeArgs( int value, const string& str, double pi ) {
55 cout << "(" << value << "): " << str << ", pi = " << pi << endl; 59 cout << "(" << value << "): " << str << ", pi = " << pi << endl;
56 } 60 }
@@ -118,4 +122,21 @@ int main() {
118 three_args.clear(); 122 three_args.clear();
119 three_args.connect(MemFun(obj, &FunctionClass::threeArgs)); 123 three_args.connect(MemFun(obj, &FunctionClass::threeArgs));
120 three_args.emit(9, "nine", 3.141592); 124 three_args.emit(9, "nine", 3.141592);
125
126 // Test ignore signals
127 {
128 cout << "----------- Testing ignoring arguments for signal." << endl;
129 using FbTk::MemFunIgnoreArgs;
130 // Create a signal that emits with three arguments, and connect
131 // sinks that takes less than three arguments.
132 Signal<void, string, string, float> more_args;
133 more_args.connect(MemFunIgnoreArgs(obj, &FunctionClass::print));
134 more_args.connect(MemFunIgnoreArgs(obj, &FunctionClass::takeIt));
135 more_args.connect(MemFunIgnoreArgs(obj, &FunctionClass::showMessage2));
136 more_args.emit("This should be visible for takeIt(string)",
137 "Visible to the two args function.",
138 2.9);
139
140 }
141
121} 142}