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Signed-off-by: Hans Dijkema <hans@dijkewijk.nl>
This commit is contained in:
Hans Dijkema
2025-11-18 18:03:58 +01:00
parent 9c99a01464
commit 6784ba6ebc
8 changed files with 348 additions and 10 deletions
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49
gtkloader.cpp
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@@ -11,6 +11,10 @@ extern "C" {
#include <direct.h>
#endif
#ifdef __linux
#include <dlfcn.h>
#endif
void GtkLoader::loadLibraryWin64(const char *lib, void **handle)
{
#ifdef _WIN32
@@ -46,6 +50,16 @@ void GtkLoader::loadLibraryWin64(const char *lib, void **handle)
#endif
}
void GtkLoader::loadLibraryLinux(const char *lib, void **handle)
{
#ifdef __linux
*handle = ::dlopen(lib, RTLD_LAZY);
if (*handle == NULL) {
throw std::string("Cannot load library '") + lib + "'";
}
#endif
}
void GtkLoader::loadFunctionWin64(const char *func, void **func_ptr)
{
#ifdef _WIN32
@@ -66,6 +80,22 @@ void GtkLoader::loadFunctionWin64(const char *func, void **func_ptr)
#endif
}
void GtkLoader::loadFunctionLinux(const char *func, void **func_ptr)
{
#ifdef __linux
*func_ptr = nullptr;
std::list<void *>::const_iterator it = library_handles.begin();
while(*func_ptr == nullptr && it != library_handles.end()) {
void *handle = *it;
*func_ptr = dlsym(handle, func);
it++;
}
if (*func_ptr == nullptr) {
throw std::string("Cannot load function '") + func;
}
#endif
}
void GtkLoader::dlopen()
{
if (library_handles.size() == 0) {
@@ -83,6 +113,22 @@ void GtkLoader::dlopen()
loadLibraryWin64(libs[i], &lib);
if (lib) { library_handles.push_back(lib); }
}
#endif
#ifdef __linux
const char *libs[] = {
"libgtk-3.so",
"libgobject-2.0.so",
"libgio-2.0.so",
"libglib-2.0.so",
"libgdk-3.so",
NULL
};
int i;
for(i = 0; libs[i] != NULL; i++) {
void *lib;
loadLibraryLinux(libs[i], &lib);
if (lib) { library_handles.push_back(lib); }
}
#endif
}
}
@@ -92,6 +138,9 @@ void GtkLoader::loadFunction(const char *func, void **func_ptr)
#ifdef _WIN32
loadFunctionWin64(func, func_ptr);
#endif
#ifdef __linux
loadFunctionLinux(func, func_ptr);
#endif
}
static void loader(const char *func, void **func_ptr, void *user_data)