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authorHenrik Kinnunen <fluxgen@fluxbox.org>2010-03-19 01:23:41 (GMT)
committerHenrik Kinnunen <fluxgen@fluxbox.org>2010-03-19 01:23:41 (GMT)
commitceff86b79401c27ed83cad65f59a6621c9a58084 (patch)
tree3dc59ecc1a7a5b31b2d87686aacc3c6e2dbdc5ab /src/tests
parent68e90ab84fc8720264694de47c1ac33c401b49e5 (diff)
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fluxbox_paul-ceff86b79401c27ed83cad65f59a6621c9a58084.tar.bz2
Added SelectArg and MemFunSelectArg*
The MemFunSelectArg* functions can be used to select a specific argument from a signal. For example this would select the string argument as argument to the callback: Signal<void, int, float, string> signal; signal.connect(MemFunSelectArg2(obj, &Object::takesOneStringArg)); signal.emit(10, 3.14, "hello"); ... void Object::takesOneStringArg(const string& value) { ... }
Diffstat (limited to 'src/tests')
-rw-r--r--src/tests/testSignals.cc33
1 files changed, 32 insertions, 1 deletions
diff --git a/src/tests/testSignals.cc b/src/tests/testSignals.cc
index f382289..75f046e 100644
--- a/src/tests/testSignals.cc
+++ b/src/tests/testSignals.cc
@@ -49,7 +49,7 @@ struct FunctionClass {
49 } 49 }
50 50
51 void takeIt( string& str ) { 51 void takeIt( string& str ) {
52 cout << "takeIt( " << str << ")" << endl; 52 cout << "FunctionClass::takeIt( " << str << " )" << endl;
53 } 53 }
54 54
55 void showMessage( int value, const string& message ) { 55 void showMessage( int value, const string& message ) {
@@ -61,8 +61,21 @@ struct FunctionClass {
61 void threeArgs( int value, const string& str, double pi ) { 61 void threeArgs( int value, const string& str, double pi ) {
62 cout << "(" << value << "): " << str << ", pi = " << pi << endl; 62 cout << "(" << value << "): " << str << ", pi = " << pi << endl;
63 } 63 }
64
64}; 65};
65 66
67struct Printer {
68 void printInt(int value) {
69 cout << "Int:" << value << endl;
70 }
71 void printString(string value) {
72 cout << "string:" << value << endl;
73 }
74 void printFloat(float value) {
75 cout << "Float:" << value << endl;
76 }
77};
78
66int main() { 79int main() {
67 using FbTk::Signal; 80 using FbTk::Signal;
68 using FbTk::SignalTracker; 81 using FbTk::SignalTracker;
@@ -161,4 +174,22 @@ int main() {
161 // subject notify its observers 174 // subject notify its observers
162 source.emit("hello world"); 175 source.emit("hello world");
163 } 176 }
177
178 // Test argument selector
179 {
180 using namespace FbTk;
181 Signal<void, int, string, float> source;
182
183 Printer printer;
184 source.connect(MemFunSelectArg0(printer, &Printer::printInt));
185 source.connect(MemFunSelectArg1(printer, &Printer::printString));
186 source.connect(MemFunSelectArg2(printer, &Printer::printFloat));
187
188 source.emit(10, "hello", 3.141592);
189
190 Signal<void, string, int> source2;
191 source2.connect(MemFunSelectArg0(printer, &Printer::printString));
192 source2.connect(MemFunSelectArg1(printer, &Printer::printInt));
193 source2.emit("world", 37);
194 }
164} 195}