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Merge pull request #524 from jpcima/lv2-win-resources

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Allow LV2 to find resources under Windows
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JP Cimalando 2020-10-24 05:47:00 +02:00 • committed by GitHub
commit a14bae719f
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1 changed files with 29 additions and 1 deletions
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30
lv2/sfizz_ui.cpp
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@ -118,6 +118,26 @@ private:
void uiTouch(EditId id, bool t);
};
#if defined(_WIN32)
static bool fixBundlePath(std::string& path)
{
// go up some directories until reaching the *.lv2 directory
bool valid = false;
while (!valid && !path.empty()) {
if (path.back() == '\\' || path.back() == '/')
path.pop_back();
else if (path.size() > 4 && !memcmp(".lv2", path.data() + path.size() - 4, 4))
valid = true;
else {
path.pop_back();
while (!path.empty() && path.back() != '\\' && path.back() != '/')
path.pop_back();
}
}
return valid;
}
#endif
static LV2UI_Handle
instantiate(const LV2UI_Descriptor *descriptor,
const char *plugin_uri,
@ -178,8 +198,16 @@ instantiate(const LV2UI_Descriptor *descriptor,
// name, and appending "Contents/Resources" (not overridable)
// * on Windows, the folder is set programmatically
// * on macOS, resource files are looked up using CFBundle APIs
#if defined(_WIN32)
IWin32PlatformFrame::setResourceBasePath((std::string(bundle_path) + "\\Contents\\Resources\\").c_str());
// some hosts give us the DLL path instead of the bundle path,
// so we have to work around that.
std::string realBundlePath { bundle_path };
if (!fixBundlePath(realBundlePath))
return nullptr;
std::string resourcePath = realBundlePath + "\\Contents\\Resources\\";
IWin32PlatformFrame::setResourceBasePath(resourcePath.c_str());
#endif
// makes labels refresh correctly