gitweb.ps.run Git - autorec/blob - src/win.h

   1 #pragma comment(linker, "\"/manifestdependency:type='win32' \\r
   2 name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \\r
   3 processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")\r
   4 \r
   5 #include <windows.h>\r
   6 #include <CommCtrl.h>\r
   7 \r
   8 #include "../res/resource.h"\r
   9 \r
  10 #include "layout.h"\r
  11 \r
  12 #include <functional>\r
  13 #include <unordered_map>\r
  14 #include <string>\r
  15 \r
  16 // namespace wnin {\r
  17 // namespace _ {\r
  18 // using CallbackFn = std::function<void()>;\r
  19 // std::map<HWND, std::map<WORD, CallbackFn>> handlers;\r
  20 // std::map<HWND, lay_id> lIds;\r
  21 \r
  22 // NOTIFYICONDATA niData = { 0 };\r
  23 // void\r
  24 // ShowNotificationIcon()\r
  25 // {\r
  26 //   Shell_NotifyIconA(NIM_ADD, &_::niData);\r
  27 //   Shell_NotifyIconA(NIM_SETVERSION, &_::niData);\r
  28 // }\r
  29 \r
  30 // void\r
  31 // HideNotificationIcon()\r
  32 // {\r
  33 //   Shell_NotifyIconA(NIM_DELETE, &_::niData);\r
  34 // }\r
  35 \r
  36 // lay_context ctx;\r
  37 // lay_id root;\r
  38 \r
  39 // LRESULT CALLBACK\r
  40 // WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
  41 // {\r
  42 //   switch (msg) {\r
  43 //     case WM_CLOSE:\r
  44 //       DestroyWindow(hwnd);\r
  45 //       break;\r
  46 //     case WM_DESTROY:\r
  47 //       Shell_NotifyIconA(NIM_DELETE, &niData);\r
  48 //       lay_destroy_context(&ctx);\r
  49 //       PostQuitMessage(0);\r
  50 //       break;\r
  51 //     case WM_SIZE:\r
  52 //       if (wParam == SIZE_MINIMIZED) {\r
  53 //         ShowNotificationIcon();\r
  54 //         ShowWindow(hwnd, false);\r
  55 //       }\r
  56 //       else {\r
  57 //         lay_set_size_xy(&_::ctx, _::root, LOWORD(lParam), HIWORD(lParam));\r
  58 //         lay_run_context(&_::ctx);\r
  59 \r
  60 //         for (auto &lId : lIds) {\r
  61 //           lay_vec4 rect = lay_get_rect(&_::ctx, lId.second);\r
  62 //           SetWindowPos(lId.first, HWND_TOP,\r
  63 //             rect[0],\r
  64 //             rect[1],\r
  65 //             rect[2],\r
  66 //             rect[3],\r
  67 //             SWP_NOZORDER\r
  68 //           );\r
  69 //         }\r
  70 //         RedrawWindow(hwnd, 0, 0, RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN);\r
  71 //       }\r
  72 //       break;\r
  73 //     case WM_COMMAND:\r
  74 //       if (handlers.find((HWND)lParam) != handlers.end()) {\r
  75 //         auto handler = handlers[(HWND)lParam];\r
  76 //         if (handler.find(HIWORD(wParam)) != handler.end()) {\r
  77 //           auto cb = handler[HIWORD(wParam)];\r
  78 //           cb();\r
  79 //         }\r
  80 //       }\r
  81 //       break;\r
  82 //     case WM_NOTIFY:\r
  83 //       break;\r
  84 //     case WM_APP + 1:\r
  85 //       if (LOWORD(lParam) == NIN_SELECT) {\r
  86 //         HideNotificationIcon();\r
  87 //         ShowWindow(hwnd, true);\r
  88 //         SetForegroundWindow(hwnd);\r
  89 //         SetActiveWindow(hwnd);\r
  90 //       }\r
  91 //       break;\r
  92 //     case WM_CTLCOLORSTATIC:\r
  93 //       return (LONG)GetStockObject(WHITE_BRUSH);\r
  94 //     case WM_GETMINMAXINFO: {\r
  95 //       MINMAXINFO *mmInfo = (MINMAXINFO*)lParam;\r
  96 //       mmInfo->ptMinTrackSize.x = 400;\r
  97 //       mmInfo->ptMinTrackSize.y = 200;\r
  98 //       break;\r
  99 //     }\r
 100 //     default:\r
 101 //       return DefWindowProc(hwnd, msg, wParam, lParam);\r
 102 //   }\r
 103 //   return 0;\r
 104 // }\r
 105 // }\r
 106 \r
 107 \r
 108 // void\r
 109 // Callback(HWND hwnd, WORD ev, std::function<void()> cb)\r
 110 // {\r
 111 //   _::handlers[hwnd][ev] = cb;\r
 112 // }\r
 113 \r
 114 // HWND\r
 115 // Window(string title, string className, HINSTANCE hInstance)\r
 116 // {\r
 117 //   WNDCLASSEX wc;\r
 118 //   wc.cbSize = sizeof(WNDCLASSEX);\r
 119 //   wc.style = 0;\r
 120 //   wc.lpfnWndProc = _::WndProc;\r
 121 //   wc.cbClsExtra = 0;\r
 122 //   wc.cbWndExtra = 0;\r
 123 //   wc.hInstance = hInstance;\r
 124 //   wc.hIcon = LoadIcon(nullptr, IDI_APPLICATION);\r
 125 //   wc.hCursor = LoadCursor(nullptr, IDC_ARROW);\r
 126 //   wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);\r
 127 //   wc.lpszMenuName = nullptr;\r
 128 //   wc.lpszClassName = className.c_str();\r
 129 //   wc.hIconSm = LoadIcon(nullptr, IDI_APPLICATION);\r
 130 //   RegisterClassEx(&wc);\r
 131 \r
 132 //   lay_init_context(&_::ctx);\r
 133 //   _::root = lay_item(&_::ctx);\r
 134 //   lay_set_contain(&_::ctx, _::root, LAY_COLUMN);\r
 135 \r
 136 //   HWND result = CreateWindowA(className.c_str(),\r
 137 //                        title.c_str(),\r
 138 //                        WS_OVERLAPPEDWINDOW,\r
 139 //                        CW_USEDEFAULT,\r
 140 //                        CW_USEDEFAULT,\r
 141 //                        CW_USEDEFAULT,\r
 142 //                        CW_USEDEFAULT,\r
 143 //                        nullptr,\r
 144 //                        nullptr,\r
 145 //                        hInstance,\r
 146 //                        nullptr);\r
 147                        \r
 148 //   _::niData.cbSize = sizeof(_::niData);\r
 149 //   _::niData.uID = 12345;\r
 150 //   _::niData.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;\r
 151 //   _::niData.hIcon = LoadIconA(hInstance, MAKEINTRESOURCEA(IDI_MY_ICON));\r
 152 //   _::niData.hWnd = result;\r
 153 //   _::niData.uCallbackMessage = WM_APP+1;\r
 154 //   _::niData.uVersion = NOTIFYICON_VERSION_4;\r
 155 \r
 156 //   return result;\r
 157 // }\r
 158 \r
 159 // bool\r
 160 // UpdateWindow(HWND hwnd)\r
 161 // {\r
 162 //   MSG msg;\r
 163 //   if (GetMessage(&msg, nullptr, 0, 0) > 0) {\r
 164 //     TranslateMessage(&msg);\r
 165 //     DispatchMessage(&msg);\r
 166 //     return true;\r
 167 //   }\r
 168 //   return false;\r
 169 // }\r
 170 \r
 171 // void\r
 172 // ShowWindow(HWND hwnd)\r
 173 // {\r
 174 //   ShowWindow(hwnd, true);\r
 175 \r
 176 //   EnumChildWindows(\r
 177 //     hwnd,\r
 178 //     [](HWND hwnd, LPARAM lParam) -> BOOL {\r
 179 //       HFONT guiFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);\r
 180 //       SendMessage(hwnd, WM_SETFONT, (WPARAM)guiFont, MAKELPARAM(TRUE, 0));\r
 181 //       return TRUE;\r
 182 //     },\r
 183 //     0);\r
 184 // }\r
 185 \r
 186 // HWND\r
 187 // Button(HWND hwnd, string title, lay_id parent, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 188 // {\r
 189 //   lay_id lId = lay_item(&_::ctx);\r
 190 //   lay_insert(&_::ctx, parent, lId);\r
 191 //   lay_set_size_xy(&_::ctx, lId, w, h);\r
 192 //   lay_set_contain(&_::ctx, lId, contain);\r
 193 //   lay_set_behave(&_::ctx, lId, behave);\r
 194 \r
 195 //   HWND result = CreateWindowExA(0,\r
 196 //                                 WC_BUTTONA,\r
 197 //                                 title.c_str(),\r
 198 //                                 WS_VISIBLE | WS_CHILD,\r
 199 //                                 0, 0, 0, 0,\r
 200 //                                 hwnd,\r
 201 //                                 nullptr,\r
 202 //                                 nullptr,\r
 203 //                                 nullptr);\r
 204 //   _::lIds[result] = lId;\r
 205 //   return result;\r
 206 // }\r
 207 \r
 208 // HWND\r
 209 // ListBox(HWND hwnd, lay_id parent, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 210 // {\r
 211 //   lay_id lId = lay_item(&_::ctx);\r
 212 //   lay_insert(&_::ctx, parent, lId);\r
 213 //   lay_set_size_xy(&_::ctx, lId, w, h);\r
 214 //   lay_set_contain(&_::ctx, lId, contain);\r
 215 //   lay_set_behave(&_::ctx, lId, behave);\r
 216 \r
 217 //   HWND result = CreateWindowExA(0,\r
 218 //                          WC_LISTBOXA,\r
 219 //                          "",\r
 220 //                          WS_VISIBLE | WS_CHILD | WS_BORDER | WS_VSCROLL,\r
 221 //                          0, 0, 0, 0,\r
 222 //                          hwnd,\r
 223 //                          nullptr,\r
 224 //                          nullptr,\r
 225 //                          nullptr);\r
 226 //   _::lIds[result] = lId;\r
 227 //   return result;\r
 228 // }\r
 229 \r
 230 // void\r
 231 // ListAddString(HWND hwnd, string str)\r
 232 // {\r
 233 //   SendMessage(hwnd, LB_ADDSTRING, 0, (LPARAM)str.c_str());\r
 234 // }\r
 235 \r
 236 // int\r
 237 // ListGetSelectedIndex(HWND hwnd)\r
 238 // {\r
 239 //   int sel = SendMessage(hwnd, LB_GETCURSEL, 0, 0);\r
 240 //   return sel;\r
 241 // }\r
 242 \r
 243 // int ListFindString(HWND hwnd, string str)\r
 244 // {\r
 245 //   return SendMessageA(hwnd, LB_FINDSTRINGEXACT, -1, (LPARAM)str.c_str());\r
 246 // }\r
 247 \r
 248 // string\r
 249 // ListGetText(HWND hwnd, int index)\r
 250 // {\r
 251 //   char buffer[1024];\r
 252 //   SendMessage(hwnd, LB_GETTEXT, index, (LPARAM)buffer);\r
 253 //   return string(buffer);\r
 254 // }\r
 255 \r
 256 // void\r
 257 // ListClear(HWND hwnd)\r
 258 // {\r
 259 //   SendMessageA(hwnd, LB_RESETCONTENT, 0, 0);\r
 260 // }\r
 261 \r
 262 // void ListRemove(HWND hwnd, int index)\r
 263 // {\r
 264 //   SendMessageA(hwnd, LB_DELETESTRING, index, 0);\r
 265 // }\r
 266 \r
 267 // HWND\r
 268 // ListView(HWND hwnd, lay_id parent, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 269 // {\r
 270 //   lay_id lId = lay_item(&_::ctx);\r
 271 //   lay_insert(&_::ctx, parent, lId);\r
 272 //   lay_set_size_xy(&_::ctx, lId, w, h);\r
 273 //   lay_set_contain(&_::ctx, lId, contain);\r
 274 //   lay_set_behave(&_::ctx, lId, behave);\r
 275 \r
 276 //   HWND result = CreateWindowExA(0,\r
 277 //                          WC_LISTVIEWA,\r
 278 //                          "",\r
 279 //                          WS_VISIBLE | WS_CHILD | WS_BORDER | WS_VSCROLL,\r
 280 //                          0, 0, 0, 0,\r
 281 //                          hwnd,\r
 282 //                          nullptr,\r
 283 //                          nullptr,\r
 284 //                          nullptr);\r
 285 //   _::lIds[result] = lId;\r
 286 //   return result;\r
 287 // }\r
 288 \r
 289 // HWND\r
 290 // CheckBox(HWND hwnd, string title, lay_id parent, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 291 // {\r
 292 //   lay_id lId = lay_item(&_::ctx);\r
 293 //   lay_insert(&_::ctx, parent, lId);\r
 294 //   lay_set_size_xy(&_::ctx, lId, w, h);\r
 295 //   lay_set_contain(&_::ctx, lId, contain);\r
 296 //   lay_set_behave(&_::ctx, lId, behave);\r
 297 \r
 298 //   HWND result = CreateWindowExA(0,\r
 299 //                          WC_BUTTONA,\r
 300 //                          title.c_str(),\r
 301 //                          WS_VISIBLE | WS_CHILD | BS_CHECKBOX,\r
 302 //                          0, 0, 0, 0,\r
 303 //                          hwnd,\r
 304 //                          nullptr,\r
 305 //                          nullptr,\r
 306 //                          nullptr);\r
 307 //   _::lIds[result] = lId;\r
 308 //   return result;\r
 309 // }\r
 310 \r
 311 // void SetStyle(HWND hwnd, DWORD style)\r
 312 // {\r
 313 //   SetWindowLongPtrA(hwnd, GWL_STYLE, style);\r
 314 // }\r
 315 // DWORD GetStyle(HWND hwnd)\r
 316 // {\r
 317 //   return GetWindowLongPtrA(hwnd, GWL_STYLE);\r
 318 // }\r
 319 // void AddStyle(HWND hwnd, DWORD style)\r
 320 // {\r
 321 //   SetWindowLongPtrA(hwnd, GWL_STYLE, GetStyle(hwnd) | style);\r
 322 // }\r
 323 // void RemoveStyle(HWND hwnd, DWORD style)\r
 324 // {\r
 325 //   SetWindowLongPtrA(hwnd, GWL_STYLE, GetStyle(hwnd) & (~style));\r
 326 // }\r
 327 // }\r
 328 \r
 329 \r
 330 \r
 331 \r
 332 namespace win\r
 333 {\r
 334   struct Window;\r
 335   struct Hwnd\r
 336   {\r
 337     HWND hwnd;\r
 338     lay_id lId;\r
 339     Window *window;\r
 340 \r
 341     Hwnd() {}\r
 342     Hwnd(Window *window, Hwnd *parent, LPCSTR className, LPCSTR windowName, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave);\r
 343 \r
 344     void setStyle(DWORD style)\r
 345     {\r
 346       SetWindowLongPtrA(hwnd, GWL_STYLE, style);\r
 347     }\r
 348     DWORD getStyle()\r
 349     {\r
 350       return GetWindowLongPtrA(hwnd, GWL_STYLE);\r
 351     }\r
 352     void addStyle(DWORD style)\r
 353     {\r
 354       SetWindowLongPtrA(hwnd, GWL_STYLE, getStyle() | style);\r
 355     }\r
 356     void removeStyle(DWORD style)\r
 357     {\r
 358       SetWindowLongPtrA(hwnd, GWL_STYLE, getStyle() & (~style));\r
 359     }\r
 360   };\r
 361   struct Window : Hwnd\r
 362   {\r
 363   private:\r
 364     NOTIFYICONDATAA niData = { 0 };\r
 365 \r
 366     static LRESULT CALLBACK\r
 367     WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
 368     {\r
 369       Window *window = (Window*)GetWindowLongPtrA(hwnd, 0);\r
 370       if (window == nullptr)\r
 371         return DefWindowProc(hwnd, msg, wParam, lParam);\r
 372 \r
 373       bool defaultHandler = false;\r
 374 \r
 375       switch (msg) {\r
 376         case WM_CLOSE:\r
 377           DestroyWindow(hwnd);\r
 378           break;\r
 379         case WM_DESTROY:\r
 380           Shell_NotifyIconA(NIM_DELETE, &window->niData);\r
 381           lay_destroy_context(&window->ctx);\r
 382           PostQuitMessage(0);\r
 383           break;\r
 384         case WM_SIZE:\r
 385           if (wParam == SIZE_MINIMIZED) {\r
 386             //TODO: auslagen\r
 387             //ShowNotificationIcon();\r
 388             ShowWindow(hwnd, false);\r
 389           }\r
 390           else {\r
 391             lay_set_size_xy(&window->ctx, window->lId, LOWORD(lParam), HIWORD(lParam));\r
 392             lay_run_context(&window->ctx);\r
 393 \r
 394             //RedrawWindow(hwnd, 0, 0, RDW_ERASE | RDW_INVALIDATE | RDW_ALLCHILDREN);\r
 395           }\r
 396           break;\r
 397         case WM_NOTIFY:\r
 398           break;\r
 399         case WM_APP + 1:\r
 400           if (LOWORD(lParam) == NIN_SELECT) {\r
 401             //TODO: auslagern\r
 402             //HideNotificationIcon();\r
 403             ShowWindow(hwnd, true);\r
 404             SetForegroundWindow(hwnd);\r
 405             SetActiveWindow(hwnd);\r
 406           }\r
 407           break;\r
 408         case WM_CTLCOLORSTATIC:\r
 409           return (LONG)GetStockObject(WHITE_BRUSH);\r
 410         case WM_GETMINMAXINFO: {\r
 411           MINMAXINFO *mmInfo = (MINMAXINFO*)lParam;\r
 412           mmInfo->ptMinTrackSize.x = 400;\r
 413           mmInfo->ptMinTrackSize.y = 200;\r
 414           break;\r
 415         }\r
 416         default:\r
 417           defaultHandler = true;\r
 418           break;\r
 419       }\r
 420       \r
 421       for (auto handler : window->handlers[msg])\r
 422         handler(hwnd, msg, wParam, lParam);\r
 423 \r
 424       if (defaultHandler)\r
 425         return DefWindowProc(hwnd, msg, wParam, lParam);\r
 426       else\r
 427         return 0;\r
 428     }\r
 429   public:\r
 430     lay_context ctx;\r
 431     std::unordered_map<UINT,\r
 432       std::vector<\r
 433         std::function<void(HWND, UINT, WPARAM, LPARAM)>>> handlers;\r
 434 \r
 435     Window(std::string title, std::string className, HINSTANCE hInstance)\r
 436     {\r
 437       WNDCLASSEXA wc;\r
 438       wc.cbSize = sizeof(WNDCLASSEX);\r
 439       wc.style = 0;\r
 440       wc.lpfnWndProc = WndProc;\r
 441       wc.cbClsExtra = 0;\r
 442       wc.cbWndExtra = sizeof(Window*);\r
 443       wc.hInstance = hInstance;\r
 444       wc.hIcon = LoadIcon(nullptr, IDI_APPLICATION);\r
 445       wc.hCursor = LoadCursor(nullptr, IDC_ARROW);\r
 446       wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);\r
 447       wc.lpszMenuName = nullptr;\r
 448       wc.lpszClassName = className.c_str();\r
 449       wc.hIconSm = LoadIcon(nullptr, IDI_APPLICATION);\r
 450       RegisterClassExA(&wc);\r
 451 \r
 452       lay_init_context(&ctx);\r
 453       lId = lay_item(&ctx);\r
 454       lay_set_contain(&ctx, lId, LAY_COLUMN);\r
 455 \r
 456       hwnd = CreateWindowA(className.c_str(),\r
 457                           title.c_str(),\r
 458                           WS_OVERLAPPEDWINDOW,\r
 459                           CW_USEDEFAULT,\r
 460                           CW_USEDEFAULT,\r
 461                           CW_USEDEFAULT,\r
 462                           CW_USEDEFAULT,\r
 463                           nullptr,\r
 464                           nullptr,\r
 465                           hInstance,\r
 466                           nullptr);\r
 467 \r
 468       SetWindowLongPtrA(hwnd, 0, (LONG_PTR)this);\r
 469       \r
 470                           \r
 471       niData.cbSize = sizeof(niData);\r
 472       niData.uID = 12345;\r
 473       niData.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;\r
 474       niData.hIcon = LoadIconA(hInstance, MAKEINTRESOURCEA(IDI_MY_ICON));\r
 475       niData.hWnd = hwnd;\r
 476       niData.uCallbackMessage = WM_APP+1;\r
 477       niData.uVersion = NOTIFYICON_VERSION_4;\r
 478     }\r
 479     bool update()\r
 480     {\r
 481       MSG msg;\r
 482       if (GetMessage(&msg, nullptr, 0, 0) > 0) {\r
 483         TranslateMessage(&msg);\r
 484         DispatchMessage(&msg);\r
 485         return true;\r
 486       }\r
 487       return false;\r
 488     }\r
 489     void show()\r
 490     {\r
 491       ShowWindow(hwnd, true);\r
 492 \r
 493       EnumChildWindows(\r
 494         hwnd,\r
 495         [](HWND hwnd, LPARAM lParam) -> BOOL {\r
 496           HFONT guiFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);\r
 497           SendMessage(hwnd, WM_SETFONT, (WPARAM)guiFont, MAKELPARAM(TRUE, 0));\r
 498           return TRUE;\r
 499         },\r
 500         0);\r
 501     }\r
 502   };\r
 503 \r
 504   struct Button : Hwnd\r
 505   {\r
 506     Button(Window *window, Hwnd *parent, std::string title, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 507       : Hwnd(window, parent, WC_BUTTONA, title.c_str(), w, h, contain, behave)\r
 508     {\r
 509       window->handlers[WM_COMMAND].push_back([&](HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {\r
 510         if ((HWND)lParam == this->hwnd && HIWORD(wParam) == BN_CLICKED)\r
 511           for (auto handler : this->onClickHandlers)\r
 512             handler();\r
 513       });\r
 514     }\r
 515 \r
 516     void onClick(std::function<void()> cb)\r
 517     {\r
 518       onClickHandlers.push_back(cb);\r
 519     }\r
 520   private:\r
 521     std::vector<std::function<void()>> onClickHandlers;\r
 522   };\r
 523   \r
 524   struct CheckBox : Hwnd\r
 525   {\r
 526     CheckBox(Window *window, Hwnd *parent, std::string title, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 527       : Hwnd(window, parent, WC_BUTTONA, title.c_str(), w, h, contain, behave)\r
 528     {\r
 529       addStyle(BS_CHECKBOX);\r
 530       window->handlers[WM_COMMAND].push_back([&](HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {\r
 531         if ((HWND)lParam == this->hwnd && HIWORD(wParam) == BN_CLICKED)\r
 532           SendMessageA(this->hwnd, BM_SETCHECK, SendMessageA(this->hwnd, BM_GETCHECK, 0, 0) ? BST_UNCHECKED : BST_CHECKED, 0);\r
 533       });\r
 534     }\r
 535   };\r
 536 \r
 537   struct ListBox : Hwnd\r
 538   {\r
 539     ListBox(Window *window, Hwnd *parent, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 540       : Hwnd(window, parent, WC_LISTBOXA, "", w, h, contain, behave)\r
 541     {\r
 542       addStyle(WS_BORDER);\r
 543       addStyle(WS_VSCROLL);\r
 544     }\r
 545 \r
 546     void addString(std::string str)\r
 547     {\r
 548       SendMessage(hwnd, LB_ADDSTRING, 0, (LPARAM)str.c_str());\r
 549     }\r
 550 \r
 551     int getSelectedIndex()\r
 552     {\r
 553       return SendMessage(hwnd, LB_GETCURSEL, 0, 0);\r
 554     }\r
 555 \r
 556     int findString(std::string str)\r
 557     {\r
 558       return SendMessageA(hwnd, LB_FINDSTRINGEXACT, -1, (LPARAM)str.c_str());\r
 559     }\r
 560 \r
 561     std::string getText(int index)\r
 562     {\r
 563       int len = SendMessageA(hwnd, LB_GETTEXTLEN, index, 0);\r
 564       std::string result;\r
 565       result.reserve(len);\r
 566       SendMessage(hwnd, LB_GETTEXT, index, (LPARAM)result.data());\r
 567       return result;\r
 568     }\r
 569 \r
 570     void clear()\r
 571     {\r
 572       SendMessageA(hwnd, LB_RESETCONTENT, 0, 0);\r
 573     }\r
 574 \r
 575     void remove(int index)\r
 576     {\r
 577       SendMessageA(hwnd, LB_DELETESTRING, index, 0);\r
 578     }\r
 579   };\r
 580 }\r
 581 \r
 582 win::Hwnd::Hwnd(Window *window, Hwnd *parent, LPCSTR className, LPCSTR windowName, lay_scalar w, lay_scalar h, uint32_t contain, uint32_t behave)\r
 583 {\r
 584   this->window = window;\r
 585   \r
 586   lId = lay_item(&window->ctx);\r
 587   lay_insert(&window->ctx, parent->lId, lId);\r
 588   lay_set_size_xy(&window->ctx, lId, w, h);\r
 589   lay_set_contain(&window->ctx, lId, contain);\r
 590   lay_set_behave(&window->ctx, lId, behave);\r
 591   \r
 592   hwnd = CreateWindowExA(0,\r
 593                           className,\r
 594                           windowName,\r
 595                           WS_VISIBLE | WS_CHILD,\r
 596                           0,\r
 597                           0,\r
 598                           0,\r
 599                           0,\r
 600                           window->hwnd,\r
 601                           nullptr,\r
 602                           nullptr,\r
 603                           nullptr);\r
 604 \r
 605   window->handlers[WM_SIZE].push_back([this](HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {\r
 606     lay_vec4 rect = lay_get_rect(&this->window->ctx, this->lId);\r
 607     SetWindowPos(this->hwnd, HWND_TOP,\r
 608       rect[0],\r
 609       rect[1],\r
 610       rect[2],\r
 611       rect[3],\r
 612       SWP_NOZORDER\r
 613     );\r
 614   });\r
 615 }