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plugins name lookup
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1 changed files with 6 additions and 17 deletions
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@ -79,7 +79,8 @@ APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
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}
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```
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For private functions or members, you will need to use the signature, for example for `CInputManager::processMouseDownNormal`:
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For private functions or members, you can use the `findFunctionsByName` API entry to list all functions matching your query,
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for example:
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```cpp
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typedef void (*origMouseDownNormal)(void*, wlr_pointer_button_event*);
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@ -93,8 +94,8 @@ void hkProcessMouseDownNormal(void* thisptr, wlr_pointer_button_event* e) {
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APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
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// stuff...
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g_pMouseDownHook = HyprlandAPI::createFunctionHook(
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PHANDLE, HyprlandAPI::getFunctionAddressFromSignature(PHANDLE, "_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event"), (void*)&hkProcessMouseDownNormal);
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static const auto METHODS = HyprlandAPI::findFunctionsByName(PHANDLE, "processMouseDownNormal");
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g_pMouseDownHook = HyprlandAPI::createFunctionHook(PHANDLE, METHODS[0].address, (void*)&hkProcessMouseDownNormal);
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g_pMouseDownHook->hook();
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@ -102,21 +103,9 @@ APICALL EXPORT PLUGIN_DESCRIPTION_INFO PLUGIN_INIT(HANDLE handle) {
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}
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```
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To get the signature, compile Hyprland and run `objdump -D ./path/to/Hyprland | grep "functionName"`
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When it finally spits out something, you can stop it with `ctrl+C`.
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Example output:
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```
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9710b9: eb 01 jmp 9710bc <_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event+0xed8>
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9710c3: 74 37 je 9710fc <_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event+0xf18>
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9710fa: eb 1f jmp 97111b <_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event+0xf37>
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971128: 74 05 je 97112f <_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event+0xf4b>
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```
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From this, we can see the signature is `_ZN13CInputManager22processMouseDownNormalEP24wlr_pointer_button_event`.
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{{< hint type=warning >}}
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Please note signatures may and most likely will differ between compilers. (gcc/clang)
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Please note method lookups are slow and should not be used often. The entries _will not_ change during runtime, so it's a good idea
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to make the lookups `static`.
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{{</ hint >}}
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## Using the config
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