Desktop icons view v1.0 (#1114)

mods/desktop-icons-view.wh.cpp

@@ -0,0 +1,216 @@
+// ==WindhawkMod==
+// @id              desktop-icons-view
+// @name            Desktop icons view
+// @description     Change desktop icons view to list, details, small icons, or tiles
+// @version         1.0
+// @author          m417z
+// @github          https://github.com/m417z
+// @twitter         https://twitter.com/m417z
+// @homepage        https://m417z.com/
+// @include         explorer.exe
+// @architecture    x86-64
+// @compilerOptions -lcomdlg32
+// ==/WindhawkMod==
+
+// ==WindhawkModReadme==
+/*
+# Desktop icons view
+
+Change desktop icons view to list, details, small icons, or tiles.
+
+Based on [List view desktop](https://github.com/deanm/lvd).
+
+### Acknowledgements
+
+* **nvhhr**: Coming up with the mod idea, testing.
+
+### Screenshots
+
+![List](https://i.imgur.com/51q6OKl.png) \
+*List*
+
+![Details](https://i.imgur.com/a5qBigL.png) \
+*Details*
+
+![Small icons](https://i.imgur.com/PM4MfMs.png) \
+*Small icons*
+
+![Tiles](https://i.imgur.com/gqTawuD.png) \
+*Tiles*
+*/
+// ==/WindhawkModReadme==
+
+// ==WindhawkModSettings==
+/*
+- style: list
+  $name: Desktop icons style
+  $options:
+  - list: List
+  - details: Details
+  - smallicon: Small icons
+  - tile: Tiles
+- colwidth: 500
+  $name: Column Width
+  $description: Sets the width of filenames
+*/
+// ==/WindhawkModSettings==
+
+#include <commctrl.h>
+
+struct {
+    int style;
+    int colwidth;
+} settings;
+
+HWND FindChild(HWND parent, LPCWSTR cls, LPCWSTR win) {
+    if (parent == nullptr) {
+        return nullptr;
+    }
+    return FindWindowEx(parent, nullptr, cls, win);
+}
+
+HWND GetFolderViewWnd() {
+    HWND hFolderFolderViewWnd =
+        FindChild(FindChild(GetShellWindow(), L"SHELLDLL_DefView", L""),
+                  L"SysListView32", L"FolderView");
+    if (!hFolderFolderViewWnd) {
+        return nullptr;
+    }
+
+    DWORD dwProcessId = 0;
+    if (!GetWindowThreadProcessId(hFolderFolderViewWnd, &dwProcessId) ||
+        dwProcessId != GetCurrentProcessId()) {
+        return nullptr;
+    }
+
+    return hFolderFolderViewWnd;
+}
+
+void SetDesktopStyle(HWND hFolderViewWnd, int view) {
+    DWORD style = GetWindowLong(hFolderViewWnd, GWL_STYLE);
+    if (view == LV_VIEW_ICON) {
+        SendMessage(hFolderViewWnd, LVM_SETVIEW, LV_VIEW_ICON, 0);
+
+        SetWindowLong(hFolderViewWnd, GWL_STYLE, style | LVS_NOSCROLL);
+    } else {
+        // Setup the style (removing noscroll), otherwise list style doesn't
+        // seem to work correctly (docs say noscroll is incompatible with list).
+        SetWindowLong(hFolderViewWnd, GWL_STYLE, style & ~LVS_NOSCROLL);
+        // Switch view.
+        SendMessage(hFolderViewWnd, LVM_SETVIEW, view, 0);
+        SendMessage(hFolderViewWnd, LVM_SETEXTENDEDLISTVIEWSTYLE,
+                    LVS_EX_DOUBLEBUFFER, 0);
+        // Set the column width.
+        ListView_SetColumnWidth(hFolderViewWnd, 0, settings.colwidth);
+    }
+
+    // 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);
+    }
+    // Refresh.
+    UpdateWindow(hFolderViewWnd);
+}
+
+using CreateWindowExW_t = decltype(&CreateWindowExW);
+CreateWindowExW_t CreateWindowExW_Original;
+HWND WINAPI CreateWindowExW_Hook(DWORD dwExStyle,
+                                 LPCWSTR lpClassName,
+                                 LPCWSTR lpWindowName,
+                                 DWORD dwStyle,
+                                 int X,
+                                 int Y,
+                                 int nWidth,
+                                 int nHeight,
+                                 HWND hWndParent,
+                                 HMENU hMenu,
+                                 HINSTANCE hInstance,
+                                 PVOID lpParam) {
+    HWND hWnd = CreateWindowExW_Original(dwExStyle, lpClassName, lpWindowName,
+                                         dwStyle, X, Y, nWidth, nHeight,
+                                         hWndParent, hMenu, hInstance, lpParam);
+    if (!hWnd) {
+        return hWnd;
+    }
+
+    BOOL bTextualClassName = ((ULONG_PTR)lpClassName & ~(ULONG_PTR)0xffff) != 0;
+
+    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">");
+
+                               KillTimer(nullptr, s_timer);
+                               s_timer = 0;
+
+                               SetDesktopStyle(s_hWnd, settings.style);
+                               s_hWnd = nullptr;
+                           });
+    }
+
+    return hWnd;
+}
+
+void LoadSettings() {
+    PCWSTR style = Wh_GetStringSetting(L"style");
+    settings.style = LV_VIEW_ICON;
+    if (wcscmp(style, L"details") == 0) {
+        settings.style = LV_VIEW_DETAILS;
+    } else if (wcscmp(style, L"smallicon") == 0) {
+        settings.style = LV_VIEW_SMALLICON;
+    } else if (wcscmp(style, L"list") == 0) {
+        settings.style = LV_VIEW_LIST;
+    } else if (wcscmp(style, L"tile") == 0) {
+        settings.style = LV_VIEW_TILE;
+    }
+    Wh_FreeStringSetting(style);
+
+    settings.colwidth = Wh_GetIntSetting(L"colwidth");
+}
+
+BOOL Wh_ModInit() {
+    Wh_Log(L">");
+
+    LoadSettings();
+
+    Wh_SetFunctionHook((void*)CreateWindowExW, (void*)CreateWindowExW_Hook,
+                       (void**)&CreateWindowExW_Original);
+
+    return TRUE;
+}
+
+void Wh_ModAfterInit() {
+    Wh_Log(L">");
+
+    if (HWND hFolderFolderViewWnd = GetFolderViewWnd()) {
+        SetDesktopStyle(hFolderFolderViewWnd, settings.style);
+    }
+}
+
+void Wh_ModUninit() {
+    Wh_Log(L">");
+
+    if (HWND hFolderFolderViewWnd = GetFolderViewWnd()) {
+        SetDesktopStyle(hFolderFolderViewWnd, LV_VIEW_ICON);
+    }
+}
+
+BOOL Wh_ModSettingsChanged(BOOL* bReload) {
+    Wh_Log(L"Settings changed");
+    *bReload = TRUE;
+    return TRUE;
+}