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Desktop icons view v1.0.1 (#1161)
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* Added an option to select monitor number to have the desktop icons on.
* Fixed the mod trying to customize folder lists and other lists which aren't part of the desktop.
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@m417z
m417z authored Oct 27, 2024
1 parent dfade00 commit 5f36d03
Showing 1 changed file with 102 additions and 29 deletions.
131 changes: 102 additions & 29 deletions mods/desktop-icons-view.wh.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
// @id desktop-icons-view
// @name Desktop icons view
// @description Change desktop icons view to list, details, small icons, or tiles
// @version 1.0
// @version 1.0.1
// @author m417z
// @github https://github.com/m417z
// @twitter https://twitter.com/m417z
Expand Down Expand Up @@ -52,6 +52,9 @@ Based on [List view desktop](https://github.com/deanm/lvd).
- colwidth: 500
$name: Column Width
$description: Sets the width of filenames
- monitor: 1
$name: Monitor
$description: The monitor number to have your desktop icons on
*/
// ==/WindhawkModSettings==

Expand All @@ -60,6 +63,7 @@ Based on [List view desktop](https://github.com/deanm/lvd).
struct {
int style;
int colwidth;
int monitor;
} settings;

HWND FindChild(HWND parent, LPCWSTR cls, LPCWSTR win) {
Expand All @@ -69,6 +73,41 @@ HWND FindChild(HWND parent, LPCWSTR cls, LPCWSTR win) {
return FindWindowEx(parent, nullptr, cls, win);
}

bool IsFolderViewWnd(HWND hWnd) {
WCHAR buffer[64];

if (!GetClassName(hWnd, buffer, ARRAYSIZE(buffer)) ||
_wcsicmp(buffer, L"SysListView32")) {
return false;
}

if (!GetWindowText(hWnd, buffer, ARRAYSIZE(buffer)) ||
_wcsicmp(buffer, L"FolderView")) {
return false;
}

HWND hParentWnd = GetAncestor(hWnd, GA_PARENT);
if (!hParentWnd) {
return false;
}

if (!GetClassName(hParentWnd, buffer, ARRAYSIZE(buffer)) ||
_wcsicmp(buffer, L"SHELLDLL_DefView")) {
return false;
}

if (GetWindowTextLength(hParentWnd) > 0) {
return false;
}

HWND hParentWnd2 = GetAncestor(hParentWnd, GA_PARENT);
if (!hParentWnd2 || hParentWnd2 != GetShellWindow()) {
return false;
}

return true;
}

HWND GetFolderViewWnd() {
HWND hFolderFolderViewWnd =
FindChild(FindChild(GetShellWindow(), L"SHELLDLL_DefView", L""),
Expand All @@ -86,6 +125,32 @@ HWND GetFolderViewWnd() {
return hFolderFolderViewWnd;
}

HMONITOR GetMonitorById(int monitorId) {
HMONITOR monitorResult = nullptr;
int currentMonitorId = 0;

auto monitorEnumProc = [&monitorResult, &currentMonitorId,
monitorId](HMONITOR hMonitor) -> BOOL {
if (currentMonitorId == monitorId) {
monitorResult = hMonitor;
return FALSE;
}
currentMonitorId++;
return TRUE;
};

EnumDisplayMonitors(
nullptr, nullptr,
[](HMONITOR hMonitor, HDC hdc, LPRECT lprcMonitor,
LPARAM dwData) -> BOOL {
auto& proc = *reinterpret_cast<decltype(monitorEnumProc)*>(dwData);
return proc(hMonitor);
},
reinterpret_cast<LPARAM>(&monitorEnumProc));

return monitorResult;
}

void SetDesktopStyle(HWND hFolderViewWnd, int view) {
DWORD style = GetWindowLong(hFolderViewWnd, GWL_STYLE);
if (view == LV_VIEW_ICON) {
Expand All @@ -105,11 +170,23 @@ void SetDesktopStyle(HWND hFolderViewWnd, int view) {
}

// Get working area of desktop and position desktop window accordingly.
RECT rect{};
if (SystemParametersInfo(SPI_GETWORKAREA, 0, &rect, 0)) {
SetWindowPos(hFolderViewWnd, nullptr, rect.left, rect.top,
rect.right - rect.left, rect.bottom - rect.top,
SWP_NOZORDER);
HMONITOR monitor = GetMonitorById(settings.monitor - 1);
if (!monitor) {
monitor = MonitorFromPoint(POINT{0, 0}, MONITOR_DEFAULTTONEAREST);
}

MONITORINFO monitorInfo{
.cbSize = sizeof(monitorInfo),
};
if (GetMonitorInfo(monitor, &monitorInfo)) {
RECT rc = monitorInfo.rcWork;
MapWindowPoints(nullptr, GetAncestor(hFolderViewWnd, GA_PARENT),
(POINT*)(&rc), sizeof(RECT) / sizeof(POINT));
int x = rc.left;
int y = rc.top;
int cx = rc.right - rc.left;
int cy = rc.bottom - rc.top;
SetWindowPos(hFolderViewWnd, nullptr, x, y, cx, cy, SWP_NOZORDER);
}
// Refresh.
UpdateWindow(hFolderViewWnd);
Expand All @@ -132,35 +209,30 @@ HWND WINAPI CreateWindowExW_Hook(DWORD dwExStyle,
HWND hWnd = CreateWindowExW_Original(dwExStyle, lpClassName, lpWindowName,
dwStyle, X, Y, nWidth, nHeight,
hWndParent, hMenu, hInstance, lpParam);
if (!hWnd) {
if (!hWnd || !IsFolderViewWnd(hWnd)) {
return hWnd;
}

BOOL bTextualClassName = ((ULONG_PTR)lpClassName & ~(ULONG_PTR)0xffff) != 0;
Wh_Log(L"FolderView window created: %08X", (DWORD)(ULONG_PTR)hWnd);
// SetDesktopStyle(hWnd, settings.style);

if (bTextualClassName && _wcsicmp(lpClassName, L"SysListView32") == 0 &&
lpWindowName && _wcsicmp(lpWindowName, L"FolderView") == 0) {
Wh_Log(L"FolderView window created: %08X", (DWORD)(ULONG_PTR)hWnd);
// SetDesktopStyle(hWnd, settings.style);
static UINT s_timer = 0;
static HWND s_hWnd;
s_hWnd = hWnd;
s_timer = SetTimer(nullptr, s_timer, 1000,
[](HWND hwnd, // handle of window for timer messages
UINT uMsg, // WM_TIMER message
UINT_PTR idEvent, // timer identifier
DWORD dwTime // current system time
) WINAPI {
Wh_Log(L">");

static UINT s_timer = 0;
static HWND s_hWnd;
s_hWnd = hWnd;
s_timer = SetTimer(nullptr, s_timer, 1000,
[](HWND hwnd, // handle of window for timer messages
UINT uMsg, // WM_TIMER message
UINT_PTR idEvent, // timer identifier
DWORD dwTime // current system time
) WINAPI {
Wh_Log(L">");
KillTimer(nullptr, s_timer);
s_timer = 0;

KillTimer(nullptr, s_timer);
s_timer = 0;

SetDesktopStyle(s_hWnd, settings.style);
s_hWnd = nullptr;
});
}
SetDesktopStyle(s_hWnd, settings.style);
s_hWnd = nullptr;
});

return hWnd;
}
Expand All @@ -180,6 +252,7 @@ void LoadSettings() {
Wh_FreeStringSetting(style);

settings.colwidth = Wh_GetIntSetting(L"colwidth");
settings.monitor = Wh_GetIntSetting(L"monitor");
}

BOOL Wh_ModInit() {
Expand Down

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