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// Copyright © 2022, 飞麦 <[email protected]>, All rights reserved.
#include <tchar.h>
#include <windows.h>
#include "Shlwapi.h" // StrStrI
#pragma comment(lib, "ShLwApi.Lib")
struct HWND_RECT {
HWND hwnd; // 窗口句柄
RECT rect; // 窗口位置
};
static HWND_RECT hwnd_rect_a[MAX_PATH]; // 260：最多命令行窗口数
static int hwnd_num; // 实际命令行窗口数
typedef HWND_RECT const* LP_HWND_RECT;
typedef void(__cdecl* MyDealFunc)(HWND& hwnd, RECT& cmd_rect);
// 根据窗口标题筛选命令行窗口
static BOOL CALLBACK enum_child_proc(_In_ HWND hwnd, _In_ LPARAM lParam) {
static TCHAR caption[MAX_PATH];
if (GetWindowText(hwnd, caption, MAX_PATH) > 0) // 获取窗口标题成功
if (StrStrI(caption, _T("\\Windows\\System32\\cmd.exe"))) // 是命令行窗口
if (hwnd_num < MAX_PATH) // 未超过最大个数
hwnd_rect_a[hwnd_num++].hwnd = hwnd;
return TRUE; // 表示继续枚举窗口
}
// 枚举桌面的所有子窗口
static void got_cmd_windows() {
HWND hWndParent = GetDesktopWindow();
WNDENUMPROC lpEnumFunc = enum_child_proc;
LPARAM lParam = NULL;
EnumChildWindows(hWndParent, lpEnumFunc, lParam);
}
// 获取桌面位置与大小
static RECT got_desk_rect() {
HWND desk_hwnd = GetDesktopWindow();
RECT desk_rect;
GetWindowRect(desk_hwnd, &desk_rect);
return desk_rect;
}
// 根据最左边的位置比较各命令行窗口的顺序
static int compare_left(LPCVOID a, LPCVOID b) {
LP_HWND_RECT p_hwnd_rect_a = reinterpret_cast<LP_HWND_RECT>(a);
LP_HWND_RECT p_hwnd_rect_b = reinterpret_cast<LP_HWND_RECT>(b);
return p_hwnd_rect_a->rect.left - p_hwnd_rect_b->rect.left;
}
// 计算任务栏高度
static LONG calc_tray_height() {
LPCTSTR lpClassName = _T("Shell_TrayWnd"); // 任务栏窗口类名
LPCTSTR lpWindowName = NULL; // 所有窗口名称都匹配
HWND tray_hwnd = FindWindow(lpClassName, lpWindowName);
RECT tray_rect;
GetWindowRect(tray_hwnd, &tray_rect);
LONG tray_height = tray_rect.bottom - tray_rect.top;
return tray_height;
}
// 获取某命令行窗口的位置与大小
static void got_rects(HWND& hwnd, RECT& cmd_rect) {
// SW_NORMAL：激活并显示窗口，如果窗口最小化、最大化或隐藏，系统会将其还原到其原始大小和位置
ShowWindow(hwnd, SW_NORMAL); // 窗口隐藏或最小化时无法获得其位置与大小
GetWindowRect(hwnd, &cmd_rect); // 获取命令行窗口位置与大小
}
// 对各命令行窗口排序(按照最左边的位置)
static void sort_cmd_windows() {
qsort(hwnd_rect_a, hwnd_num, sizeof(HWND_RECT), compare_left);
}
// 计算各命令行窗口的合理位置与大小
static void calc_loc_size() {
if (hwnd_num <= 0)
return;
RECT desk_rect = got_desk_rect();
LONG desk_width = desk_rect.right - desk_rect.left;
LONG tray_height = calc_tray_height();
RECT& cmd_rect = hwnd_rect_a[0].rect; // 以首个命令行窗口为准
LONG cmd_width = cmd_rect.right - cmd_rect.left; // 计算命令行窗口统一宽度
LONG desk_height = desk_rect.bottom - desk_rect.top; // 计算桌面高度
LONG rest_width = desk_width - cmd_width; // 剩余宽度 = 桌面宽度 - 命令行窗口宽度
LONG from = 0; // 最左命令行窗口左边坐标
LONG distance = 0; // 各命令行窗口左边坐标的间距
if (hwnd_num > 1) // 如果有多个命令行窗口
distance = rest_width / (hwnd_num - 1); // 使命令行窗口均匀分布
else
from = rest_width / 2; // 使命令行窗口位于中央
LONG cmd_height = desk_height - 16 - tray_height; // 各命令行窗口与桌面(除远程桌面栏及任务栏外)等高
LONG top = desk_rect.top + 16; // 各命令行窗口顶坐标与桌面(扣除远程桌面栏)相同
LONG bottom = top + cmd_height; // 各命令行窗口底位置
for (auto i = 0; i < hwnd_num; i++) {
RECT& cmd_rect = hwnd_rect_a[i].rect;
cmd_rect.left = from + distance * i;
cmd_rect.right = cmd_rect.left + cmd_width;
cmd_rect.top = top;
cmd_rect.bottom = bottom;
}
}
// 设置某命令行窗口的位置与大小
static void chg_rects(HWND& hwnd, RECT& cmd_rect) {
LONG cmd_width = cmd_rect.right - cmd_rect.left;
LONG cmd_height = cmd_rect.bottom - cmd_rect.top;
// HWND_TOP：将窗口置于 Z 顺序的顶部
// SWP_ASYNCWINDOWPOS：如果调用线程和拥有窗口的线程附加到不同的输入队列，则系统会将请求发布到拥有窗口的线程
SetWindowPos(hwnd, HWND_TOP, cmd_rect.left, cmd_rect.top, cmd_width, cmd_height, SWP_ASYNCWINDOWPOS);
}
// 枚举处理各命令行窗口
static void deal_cmd_windows(MyDealFunc func) {
for (auto i = 0; i < hwnd_num; i++) {
HWND_RECT& hwnd_rect = hwnd_rect_a[i];
func(hwnd_rect.hwnd, hwnd_rect.rect);
}
}
// 自动对多个命令行窗口设置位置与大小
int WINAPI _tWinMain(_In_ HINSTANCE, _In_opt_ HINSTANCE, _In_ LPTSTR, _In_ int) {
got_cmd_windows();
deal_cmd_windows(got_rects);
sort_cmd_windows();
calc_loc_size();
deal_cmd_windows(chg_rects);
return 0;
}
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