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Adding process ID APIs

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* Adding `size_t webui_get_child_process_id(size_t window)`
* Adding `size_t webui_get_parent_process_id(size_t window)`
This commit is contained in:
Hassan DRAGA 2023-09-14 17:31:29 -04:00
parent 91dfe07aa6
commit 2160aea9b0
2 changed files with 77 additions and 0 deletions
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4
include/webui.h
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@ -433,6 +433,10 @@ WEBUI_EXPORT void webui_return_string(webui_event_t* e, const char* s);
// Return the response to JavaScript as boolean.
WEBUI_EXPORT void webui_return_bool(webui_event_t* e, bool b);
// Get process id (The web browser may create another process for the window)
WEBUI_EXPORT size_t webui_get_child_process_id(size_t window);
WEBUI_EXPORT size_t webui_get_parent_process_id(size_t window);
// -- Wrapper's Interface -------------
// Bind a specific html element click event with a function. Empty element means all events. This replaces `webui_bind()`. The func is (Window, EventType, Element, Data, DataSize, EventNumber).

73
src/webui.c
View File

@ -898,6 +898,53 @@ void webui_return_string(webui_event_t* e, const char* s) {
*response = buf;
}
size_t webui_get_parent_process_id(size_t window) {
#ifdef WEBUI_LOG
printf("[User] webui_get_child_process_id([%zu])...\n", window);
#endif
// Dereference
_webui_init();
if(_webui_core.exit_now || _webui_core.wins[window] == NULL) return 0;
_webui_window_t* win = _webui_core.wins[window];
return win->process_id;
}
size_t webui_get_child_process_id(size_t window) {
#ifdef WEBUI_LOG
printf("[User] webui_get_child_process_id([%zu])...\n", window);
#endif
// Dereference
_webui_init();
if(_webui_core.exit_now || _webui_core.wins[window] == NULL) return 0;
_webui_window_t* win = _webui_core.wins[window];
#ifdef _WIN32
DWORD childProcessId = 0;
HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (hSnapshot != INVALID_HANDLE_VALUE) {
PROCESSENTRY32 pe32;
pe32.dwSize = sizeof(PROCESSENTRY32);
if (Process32First(hSnapshot, &pe32)) {
do {
if (pe32.th32ParentProcessID == win->process_id) {
childProcessId = pe32.th32ProcessID;
break;
}
} while (Process32Next(hSnapshot, &pe32));
}
CloseHandle(hSnapshot);
}
return childProcessId;
#else
return win->process_id;
#endif
}
void webui_return_bool(webui_event_t* e, bool b) {
#ifdef WEBUI_LOG
@ -5776,6 +5823,31 @@ static WEBUI_CB
return -1;
}
/*
static BOOL CALLBACK _webui_enum_windows_proc_win32(HWND hwnd, LPARAM targetProcessId) {
#ifdef WEBUI_LOG
printf("[Core]\t\t_webui_enum_windows_proc_win32()...\n");
#endif
DWORD windowProcessId;
GetWindowThreadProcessId(hwnd, &windowProcessId);
if(windowProcessId == targetProcessId) {
#ifdef WEBUI_LOG
printf("[Core]\t\t_webui_enum_windows_proc_win32() -> Bring the process (%lu) to the front\n", windowProcessId);
#endif
SetFocus(hwnd);
SetForegroundWindow(hwnd);
return FALSE;
}
return TRUE;
}
*/
static int _webui_system_win32(_webui_window_t* win, char* cmd, bool show) {
#ifdef WEBUI_LOG
@ -5826,6 +5898,7 @@ static WEBUI_CB
win->process_id = (size_t)pi.dwProcessId;
SetFocus(pi.hProcess);
// EnumWindows(_webui_enum_windows_proc_win32, (LPARAM)(pi.dwProcessId));
// AssignProcessToJobObject(JobObject, pi.hProcess);
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &Return);