findwindow/Window.cpp

91 lines
2.7 KiB
C++

/*
* MIT License
*
* Copyright (c) 2025 Vanessa T. <nessa@neko-tools.de>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdexcept>
#include <vector>
#include "Window.h"
#include "Utility.h"
Window::Window(HWND hWnd) : m_hWnd(hWnd) {
}
static BOOL CALLBACK enumWindowsCallback(HWND hWnd, LPARAM lParam) {
auto windows = reinterpret_cast<std::list<Window>*>(lParam);
windows->emplace_back(hWnd);
return TRUE;
}
std::list<Window> Window::enumWindows() {
std::list<Window> windows{};
EnumWindows(enumWindowsCallback, reinterpret_cast<LPARAM>(&windows));
return windows;
}
std::wstring Window::title() const {
if (!m_hWnd) throw std::runtime_error("Invalid window handle");
auto length = GetWindowTextLengthW(m_hWnd);
if (length == 0) {
checkAndThrowLastWindowsError("Unable to get window title length");
return {};
}
std::vector<wchar_t> buffer(length + 1);
if (GetWindowTextW(m_hWnd, buffer.data(), length + 1) <= 0) {
checkAndThrowLastWindowsError("Unable to get window title");
}
return {buffer.data()};
}
DWORD Window::processId() const {
if (!m_hWnd) throw std::runtime_error("Invalid window handle");
DWORD processId;
if (GetWindowThreadProcessId(m_hWnd, &processId)) {
checkAndThrowLastWindowsError("Unable to get window process id");
}
return processId;
}
bool Window::isMainWindow() const {
if (!m_hWnd) throw std::runtime_error("Invalid window handle");
return GetWindow(m_hWnd, GW_OWNER) == nullptr;
}
void Window::bringToForeground() const {
SetForegroundWindow(m_hWnd);
}
HWND Window::handle() const {
return m_hWnd;
}