Files
@ r24961:a439f32fb4d8
Branch filter:
Location: cpp/openttd-patchpack/source/src/video/win32_v.cpp
r24961:a439f32fb4d8
43.5 KiB
text/x-c
Update: Translations from eints
swedish: 60 changes by kustridaren
norwegian (bokmal): 12 changes by buzzCraft
czech: 82 changes by PatrikSamuelTauchim, 1 change by tomas-vl
italian: 86 changes by AlphaJack, 9 changes by federico1564S
german: 16 changes by ebla71
romanian: 10 changes by ALEX11BR
ukrainian: 3 changes by StepanIvasyn
spanish: 1 change by MontyMontana
swedish: 60 changes by kustridaren
norwegian (bokmal): 12 changes by buzzCraft
czech: 82 changes by PatrikSamuelTauchim, 1 change by tomas-vl
italian: 86 changes by AlphaJack, 9 changes by federico1564S
german: 16 changes by ebla71
romanian: 10 changes by ALEX11BR
ukrainian: 3 changes by StepanIvasyn
spanish: 1 change by MontyMontana
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 | /*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file win32_v.cpp Implementation of the Windows (GDI) video driver. */
#include "../stdafx.h"
#include "../openttd.h"
#include "../gfx_func.h"
#include "../os/windows/win32.h"
#include "../rev.h"
#include "../blitter/factory.hpp"
#include "../network/network.h"
#include "../core/geometry_func.hpp"
#include "../core/math_func.hpp"
#include "../core/random_func.hpp"
#include "../texteff.hpp"
#include "../thread.h"
#include "../progress.h"
#include "../window_gui.h"
#include "../window_func.h"
#include "../framerate_type.h"
#include "win32_v.h"
#include <windows.h>
#include <imm.h>
#include "../safeguards.h"
/* Missing define in MinGW headers. */
#ifndef MAPVK_VK_TO_CHAR
#define MAPVK_VK_TO_CHAR (2)
#endif
#ifndef PM_QS_INPUT
#define PM_QS_INPUT 0x20000
#endif
bool _window_maximize;
static Dimension _bck_resolution;
DWORD _imm_props;
/** Local copy of the palette for use in the drawing thread. */
static Palette _local_palette;
bool VideoDriver_Win32Base::ClaimMousePointer()
{
MyShowCursor(false, true);
return true;
}
struct Win32VkMapping {
byte vk_from;
byte vk_count;
byte map_to;
};
#define AS(x, z) {x, 0, z}
#define AM(x, y, z, w) {x, y - x, z}
static const Win32VkMapping _vk_mapping[] = {
/* Pageup stuff + up/down */
AM(VK_PRIOR, VK_DOWN, WKC_PAGEUP, WKC_DOWN),
/* Map letters & digits */
AM('A', 'Z', 'A', 'Z'),
AM('0', '9', '0', '9'),
AS(VK_ESCAPE, WKC_ESC),
AS(VK_PAUSE, WKC_PAUSE),
AS(VK_BACK, WKC_BACKSPACE),
AM(VK_INSERT, VK_DELETE, WKC_INSERT, WKC_DELETE),
AS(VK_SPACE, WKC_SPACE),
AS(VK_RETURN, WKC_RETURN),
AS(VK_TAB, WKC_TAB),
/* Function keys */
AM(VK_F1, VK_F12, WKC_F1, WKC_F12),
/* Numeric part */
AM(VK_NUMPAD0, VK_NUMPAD9, '0', '9'),
AS(VK_DIVIDE, WKC_NUM_DIV),
AS(VK_MULTIPLY, WKC_NUM_MUL),
AS(VK_SUBTRACT, WKC_NUM_MINUS),
AS(VK_ADD, WKC_NUM_PLUS),
AS(VK_DECIMAL, WKC_NUM_DECIMAL),
/* Other non-letter keys */
AS(0xBF, WKC_SLASH),
AS(0xBA, WKC_SEMICOLON),
AS(0xBB, WKC_EQUALS),
AS(0xDB, WKC_L_BRACKET),
AS(0xDC, WKC_BACKSLASH),
AS(0xDD, WKC_R_BRACKET),
AS(0xDE, WKC_SINGLEQUOTE),
AS(0xBC, WKC_COMMA),
AS(0xBD, WKC_MINUS),
AS(0xBE, WKC_PERIOD)
};
static uint MapWindowsKey(uint sym)
{
const Win32VkMapping *map;
uint key = 0;
for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
if ((uint)(sym - map->vk_from) <= map->vk_count) {
key = sym - map->vk_from + map->map_to;
break;
}
}
if (GetAsyncKeyState(VK_SHIFT) < 0) key |= WKC_SHIFT;
if (GetAsyncKeyState(VK_CONTROL) < 0) key |= WKC_CTRL;
if (GetAsyncKeyState(VK_MENU) < 0) key |= WKC_ALT;
return key;
}
/** Colour depth to use for fullscreen display modes. */
uint8 VideoDriver_Win32Base::GetFullscreenBpp()
{
/* Check modes for the relevant fullscreen bpp */
return _support8bpp != S8BPP_HARDWARE ? 32 : BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
}
/**
* Instantiate a new window.
* @param full_screen Whether to make a full screen window or not.
* @return True if the window could be created.
*/
bool VideoDriver_Win32Base::MakeWindow(bool full_screen)
{
/* full_screen is whether the new window should be fullscreen,
* _wnd.fullscreen is whether the current window is. */
_fullscreen = full_screen;
/* recreate window? */
if ((full_screen || this->fullscreen) && this->main_wnd) {
DestroyWindow(this->main_wnd);
this->main_wnd = 0;
}
if (full_screen) {
DEVMODE settings;
memset(&settings, 0, sizeof(settings));
settings.dmSize = sizeof(settings);
settings.dmFields =
DM_BITSPERPEL |
DM_PELSWIDTH |
DM_PELSHEIGHT;
settings.dmBitsPerPel = this->GetFullscreenBpp();
settings.dmPelsWidth = this->width_org;
settings.dmPelsHeight = this->height_org;
/* Check for 8 bpp support. */
if (settings.dmBitsPerPel == 8 && ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
settings.dmBitsPerPel = 32;
}
/* Test fullscreen with current resolution, if it fails use desktop resolution. */
if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
RECT r;
GetWindowRect(GetDesktopWindow(), &r);
/* Guard against recursion. If we already failed here once, just fall through to
* the next ChangeDisplaySettings call which will fail and error out appropriately. */
if ((int)settings.dmPelsWidth != r.right - r.left || (int)settings.dmPelsHeight != r.bottom - r.top) {
return this->ChangeResolution(r.right - r.left, r.bottom - r.top);
}
}
if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {
this->MakeWindow(false); // don't care about the result
return false; // the request failed
}
} else if (this->fullscreen) {
/* restore display? */
ChangeDisplaySettings(nullptr, 0);
/* restore the resolution */
this->width = _bck_resolution.width;
this->height = _bck_resolution.height;
}
{
RECT r;
DWORD style, showstyle;
int w, h;
showstyle = SW_SHOWNORMAL;
this->fullscreen = full_screen;
if (this->fullscreen) {
style = WS_POPUP;
SetRect(&r, 0, 0, this->width_org, this->height_org);
} else {
style = WS_OVERLAPPEDWINDOW;
/* On window creation, check if we were in maximize mode before */
if (_window_maximize) showstyle = SW_SHOWMAXIMIZED;
SetRect(&r, 0, 0, this->width, this->height);
}
AdjustWindowRect(&r, style, FALSE);
w = r.right - r.left;
h = r.bottom - r.top;
if (this->main_wnd != nullptr) {
if (!_window_maximize) SetWindowPos(this->main_wnd, 0, 0, 0, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
} else {
int x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
int y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
char window_title[64];
seprintf(window_title, lastof(window_title), "OpenTTD %s", _openttd_revision);
this->main_wnd = CreateWindow(L"OTTD", OTTD2FS(window_title), style, x, y, w, h, 0, 0, GetModuleHandle(nullptr), this);
if (this->main_wnd == nullptr) usererror("CreateWindow failed");
ShowWindow(this->main_wnd, showstyle);
}
}
BlitterFactory::GetCurrentBlitter()->PostResize();
GameSizeChanged();
return true;
}
/* static */ void VideoDriver_Win32Base::PaintThreadThunk(VideoDriver_Win32Base *drv)
{
drv->PaintThread();
}
/** Forward key presses to the window system. */
static LRESULT HandleCharMsg(uint keycode, WChar charcode)
{
static WChar prev_char = 0;
/* Did we get a lead surrogate? If yes, store and exit. */
if (Utf16IsLeadSurrogate(charcode)) {
if (prev_char != 0) DEBUG(driver, 1, "Got two UTF-16 lead surrogates, dropping the first one");
prev_char = charcode;
return 0;
}
/* Stored lead surrogate and incoming trail surrogate? Combine and forward to input handling. */
if (prev_char != 0) {
if (Utf16IsTrailSurrogate(charcode)) {
charcode = Utf16DecodeSurrogate(prev_char, charcode);
} else {
DEBUG(driver, 1, "Got an UTF-16 lead surrogate without a trail surrogate, dropping the lead surrogate");
}
}
prev_char = 0;
HandleKeypress(keycode, charcode);
return 0;
}
/** Should we draw the composition string ourself, i.e is this a normal IME? */
static bool DrawIMECompositionString()
{
return (_imm_props & IME_PROP_AT_CARET) && !(_imm_props & IME_PROP_SPECIAL_UI);
}
/** Set position of the composition window to the caret position. */
static void SetCompositionPos(HWND hwnd)
{
HIMC hIMC = ImmGetContext(hwnd);
if (hIMC != NULL) {
COMPOSITIONFORM cf;
cf.dwStyle = CFS_POINT;
if (EditBoxInGlobalFocus()) {
/* Get caret position. */
Point pt = _focused_window->GetCaretPosition();
cf.ptCurrentPos.x = _focused_window->left + pt.x;
cf.ptCurrentPos.y = _focused_window->top + pt.y;
} else {
cf.ptCurrentPos.x = 0;
cf.ptCurrentPos.y = 0;
}
ImmSetCompositionWindow(hIMC, &cf);
}
ImmReleaseContext(hwnd, hIMC);
}
/** Set the position of the candidate window. */
static void SetCandidatePos(HWND hwnd)
{
HIMC hIMC = ImmGetContext(hwnd);
if (hIMC != NULL) {
CANDIDATEFORM cf;
cf.dwIndex = 0;
cf.dwStyle = CFS_EXCLUDE;
if (EditBoxInGlobalFocus()) {
Point pt = _focused_window->GetCaretPosition();
cf.ptCurrentPos.x = _focused_window->left + pt.x;
cf.ptCurrentPos.y = _focused_window->top + pt.y;
if (_focused_window->window_class == WC_CONSOLE) {
cf.rcArea.left = _focused_window->left;
cf.rcArea.top = _focused_window->top;
cf.rcArea.right = _focused_window->left + _focused_window->width;
cf.rcArea.bottom = _focused_window->top + _focused_window->height;
} else {
cf.rcArea.left = _focused_window->left + _focused_window->nested_focus->pos_x;
cf.rcArea.top = _focused_window->top + _focused_window->nested_focus->pos_y;
cf.rcArea.right = cf.rcArea.left + _focused_window->nested_focus->current_x;
cf.rcArea.bottom = cf.rcArea.top + _focused_window->nested_focus->current_y;
}
} else {
cf.ptCurrentPos.x = 0;
cf.ptCurrentPos.y = 0;
SetRectEmpty(&cf.rcArea);
}
ImmSetCandidateWindow(hIMC, &cf);
}
ImmReleaseContext(hwnd, hIMC);
}
/** Handle WM_IME_COMPOSITION messages. */
static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
HIMC hIMC = ImmGetContext(hwnd);
if (hIMC != NULL) {
if (lParam & GCS_RESULTSTR) {
/* Read result string from the IME. */
LONG len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, str, len);
str[len / sizeof(wchar_t)] = '\0';
/* Transmit text to windowing system. */
if (len > 0) {
HandleTextInput(nullptr, true); // Clear marked string.
HandleTextInput(FS2OTTD(str));
}
SetCompositionPos(hwnd);
/* Don't pass the result string on to the default window proc. */
lParam &= ~(GCS_RESULTSTR | GCS_RESULTCLAUSE | GCS_RESULTREADCLAUSE | GCS_RESULTREADSTR);
}
if ((lParam & GCS_COMPSTR) && DrawIMECompositionString()) {
/* Read composition string from the IME. */
LONG len = ImmGetCompositionString(hIMC, GCS_COMPSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
len = ImmGetCompositionString(hIMC, GCS_COMPSTR, str, len);
str[len / sizeof(wchar_t)] = '\0';
if (len > 0) {
static char utf8_buf[1024];
convert_from_fs(str, utf8_buf, lengthof(utf8_buf));
/* Convert caret position from bytes in the input string to a position in the UTF-8 encoded string. */
LONG caret_bytes = ImmGetCompositionString(hIMC, GCS_CURSORPOS, nullptr, 0);
const char *caret = utf8_buf;
for (const wchar_t *c = str; *c != '\0' && *caret != '\0' && caret_bytes > 0; c++, caret_bytes--) {
/* Skip DBCS lead bytes or leading surrogates. */
if (Utf16IsLeadSurrogate(*c)) {
c++;
caret_bytes--;
}
Utf8Consume(&caret);
}
HandleTextInput(utf8_buf, true, caret);
} else {
HandleTextInput(nullptr, true);
}
lParam &= ~(GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS | GCS_DELTASTART);
}
}
ImmReleaseContext(hwnd, hIMC);
return lParam != 0 ? DefWindowProc(hwnd, WM_IME_COMPOSITION, wParam, lParam) : 0;
}
/** Clear the current composition string. */
static void CancelIMEComposition(HWND hwnd)
{
HIMC hIMC = ImmGetContext(hwnd);
if (hIMC != NULL) ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
ImmReleaseContext(hwnd, hIMC);
/* Clear any marked string from the current edit box. */
HandleTextInput(nullptr, true);
}
LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
static uint32 keycode = 0;
static bool console = false;
VideoDriver_Win32Base *video_driver = (VideoDriver_Win32Base *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (msg) {
case WM_CREATE:
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)((LPCREATESTRUCT)lParam)->lpCreateParams);
_cursor.in_window = false; // Win32 has mouse tracking.
SetCompositionPos(hwnd);
_imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
break;
case WM_PAINT: {
RECT r;
GetUpdateRect(hwnd, &r, FALSE);
video_driver->MakeDirty(r.left, r.top, r.right - r.left, r.bottom - r.top);
ValidateRect(hwnd, nullptr);
return 0;
}
case WM_PALETTECHANGED:
if ((HWND)wParam == hwnd) return 0;
FALLTHROUGH;
case WM_QUERYNEWPALETTE:
video_driver->PaletteChanged(hwnd);
return 0;
case WM_CLOSE:
HandleExitGameRequest();
return 0;
case WM_DESTROY:
if (_window_maximize) _cur_resolution = _bck_resolution;
return 0;
case WM_LBUTTONDOWN:
SetCapture(hwnd);
_left_button_down = true;
HandleMouseEvents();
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
_left_button_down = false;
_left_button_clicked = false;
HandleMouseEvents();
return 0;
case WM_RBUTTONDOWN:
SetCapture(hwnd);
_right_button_down = true;
_right_button_clicked = true;
HandleMouseEvents();
return 0;
case WM_RBUTTONUP:
ReleaseCapture();
_right_button_down = false;
HandleMouseEvents();
return 0;
case WM_MOUSELEAVE:
UndrawMouseCursor();
_cursor.in_window = false;
if (!_left_button_down && !_right_button_down) MyShowCursor(true);
return 0;
case WM_MOUSEMOVE: {
int x = (int16)LOWORD(lParam);
int y = (int16)HIWORD(lParam);
/* If the mouse was not in the window and it has moved it means it has
* come into the window, so start drawing the mouse. Also start
* tracking the mouse for exiting the window */
if (!_cursor.in_window) {
_cursor.in_window = true;
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.dwFlags = TME_LEAVE;
tme.hwndTrack = hwnd;
TrackMouseEvent(&tme);
}
if (_cursor.fix_at) {
/* Get all queued mouse events now in case we have to warp the cursor. In the
* end, we only care about the current mouse position and not bygone events. */
MSG m;
while (PeekMessage(&m, hwnd, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE | PM_NOYIELD | PM_QS_INPUT)) {
x = (int16)LOWORD(m.lParam);
y = (int16)HIWORD(m.lParam);
}
}
if (_cursor.UpdateCursorPosition(x, y, false)) {
POINT pt;
pt.x = _cursor.pos.x;
pt.y = _cursor.pos.y;
ClientToScreen(hwnd, &pt);
SetCursorPos(pt.x, pt.y);
}
MyShowCursor(false);
HandleMouseEvents();
return 0;
}
case WM_INPUTLANGCHANGE:
_imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
break;
case WM_IME_SETCONTEXT:
/* Don't show the composition window if we draw the string ourself. */
if (DrawIMECompositionString()) lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
break;
case WM_IME_STARTCOMPOSITION:
SetCompositionPos(hwnd);
if (DrawIMECompositionString()) return 0;
break;
case WM_IME_COMPOSITION:
return HandleIMEComposition(hwnd, wParam, lParam);
case WM_IME_ENDCOMPOSITION:
/* Clear any pending composition string. */
HandleTextInput(nullptr, true);
if (DrawIMECompositionString()) return 0;
break;
case WM_IME_NOTIFY:
if (wParam == IMN_OPENCANDIDATE) SetCandidatePos(hwnd);
break;
case WM_DEADCHAR:
console = GB(lParam, 16, 8) == 41;
return 0;
case WM_CHAR: {
uint scancode = GB(lParam, 16, 8);
uint charcode = wParam;
/* If the console key is a dead-key, we need to press it twice to get a WM_CHAR message.
* But we then get two WM_CHAR messages, so ignore the first one */
if (console && scancode == 41) {
console = false;
return 0;
}
/* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
* clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
uint cur_keycode = keycode;
keycode = 0;
return HandleCharMsg(cur_keycode, charcode);
}
case WM_KEYDOWN: {
/* No matter the keyboard layout, we will map the '~' to the console. */
uint scancode = GB(lParam, 16, 8);
keycode = scancode == 41 ? (uint)WKC_BACKQUOTE : MapWindowsKey(wParam);
/* Silently drop all messages handled by WM_CHAR. */
MSG msg;
if (PeekMessage(&msg, nullptr, 0, 0, PM_NOREMOVE)) {
if ((msg.message == WM_CHAR || msg.message == WM_DEADCHAR) && GB(lParam, 16, 8) == GB(msg.lParam, 16, 8)) {
return 0;
}
}
uint charcode = MapVirtualKey(wParam, MAPVK_VK_TO_CHAR);
/* No character translation? */
if (charcode == 0) {
HandleKeypress(keycode, 0);
return 0;
}
/* Is the console key a dead key? If yes, ignore the first key down event. */
if (HasBit(charcode, 31) && !console) {
if (scancode == 41) {
console = true;
return 0;
}
}
console = false;
/* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
* clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
uint cur_keycode = keycode;
keycode = 0;
return HandleCharMsg(cur_keycode, LOWORD(charcode));
}
case WM_SYSKEYDOWN: // user presses F10 or Alt, both activating the title-menu
switch (wParam) {
case VK_RETURN:
case 'F': // Full Screen on ALT + ENTER/F
ToggleFullScreen(!video_driver->fullscreen);
return 0;
case VK_MENU: // Just ALT
return 0; // do nothing
case VK_F10: // F10, ignore activation of menu
HandleKeypress(MapWindowsKey(wParam), 0);
return 0;
default: // ALT in combination with something else
HandleKeypress(MapWindowsKey(wParam), 0);
break;
}
break;
case WM_SIZE:
if (wParam != SIZE_MINIMIZED) {
/* Set maximized flag when we maximize (obviously), but also when we
* switched to fullscreen from a maximized state */
_window_maximize = (wParam == SIZE_MAXIMIZED || (_window_maximize && _fullscreen));
if (_window_maximize || _fullscreen) _bck_resolution = _cur_resolution;
video_driver->ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
}
return 0;
case WM_SIZING: {
RECT *r = (RECT*)lParam;
RECT r2;
int w, h;
SetRect(&r2, 0, 0, 0, 0);
AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
w = r->right - r->left - (r2.right - r2.left);
h = r->bottom - r->top - (r2.bottom - r2.top);
w = std::max(w, 64);
h = std::max(h, 64);
SetRect(&r2, 0, 0, w, h);
AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
w = r2.right - r2.left;
h = r2.bottom - r2.top;
switch (wParam) {
case WMSZ_BOTTOM:
r->bottom = r->top + h;
break;
case WMSZ_BOTTOMLEFT:
r->bottom = r->top + h;
r->left = r->right - w;
break;
case WMSZ_BOTTOMRIGHT:
r->bottom = r->top + h;
r->right = r->left + w;
break;
case WMSZ_LEFT:
r->left = r->right - w;
break;
case WMSZ_RIGHT:
r->right = r->left + w;
break;
case WMSZ_TOP:
r->top = r->bottom - h;
break;
case WMSZ_TOPLEFT:
r->top = r->bottom - h;
r->left = r->right - w;
break;
case WMSZ_TOPRIGHT:
r->top = r->bottom - h;
r->right = r->left + w;
break;
}
return TRUE;
}
/* needed for wheel */
#if !defined(WM_MOUSEWHEEL)
# define WM_MOUSEWHEEL 0x020A
#endif /* WM_MOUSEWHEEL */
#if !defined(GET_WHEEL_DELTA_WPARAM)
# define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))
#endif /* GET_WHEEL_DELTA_WPARAM */
case WM_MOUSEWHEEL: {
int delta = GET_WHEEL_DELTA_WPARAM(wParam);
if (delta < 0) {
_cursor.wheel++;
} else if (delta > 0) {
_cursor.wheel--;
}
HandleMouseEvents();
return 0;
}
case WM_SETFOCUS:
video_driver->has_focus = true;
SetCompositionPos(hwnd);
break;
case WM_KILLFOCUS:
video_driver->has_focus = false;
break;
case WM_ACTIVATE: {
/* Don't do anything if we are closing openttd */
if (_exit_game) break;
bool active = (LOWORD(wParam) != WA_INACTIVE);
bool minimized = (HIWORD(wParam) != 0);
if (video_driver->fullscreen) {
if (active && minimized) {
/* Restore the game window */
ShowWindow(hwnd, SW_RESTORE);
video_driver->MakeWindow(true);
} else if (!active && !minimized) {
/* Minimise the window and restore desktop */
ShowWindow(hwnd, SW_MINIMIZE);
ChangeDisplaySettings(nullptr, 0);
}
}
break;
}
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
static void RegisterWndClass()
{
static bool registered = false;
if (registered) return;
HINSTANCE hinst = GetModuleHandle(nullptr);
WNDCLASS wnd = {
CS_OWNDC,
WndProcGdi,
0,
0,
hinst,
LoadIcon(hinst, MAKEINTRESOURCE(100)),
LoadCursor(nullptr, IDC_ARROW),
0,
0,
L"OTTD"
};
registered = true;
if (!RegisterClass(&wnd)) usererror("RegisterClass failed");
}
static const Dimension default_resolutions[] = {
{ 640, 480 },
{ 800, 600 },
{ 1024, 768 },
{ 1152, 864 },
{ 1280, 800 },
{ 1280, 960 },
{ 1280, 1024 },
{ 1400, 1050 },
{ 1600, 1200 },
{ 1680, 1050 },
{ 1920, 1200 }
};
static void FindResolutions(uint8 bpp)
{
_resolutions.clear();
DEVMODE dm;
for (uint i = 0; EnumDisplaySettings(nullptr, i, &dm) != 0; i++) {
if (dm.dmBitsPerPel != bpp || dm.dmPelsWidth < 640 || dm.dmPelsHeight < 480) continue;
if (std::find(_resolutions.begin(), _resolutions.end(), Dimension(dm.dmPelsWidth, dm.dmPelsHeight)) != _resolutions.end()) continue;
_resolutions.emplace_back(dm.dmPelsWidth, dm.dmPelsHeight);
}
/* We have found no resolutions, show the default list */
if (_resolutions.empty()) {
_resolutions.assign(std::begin(default_resolutions), std::end(default_resolutions));
}
SortResolutions();
}
void VideoDriver_Win32Base::Initialize()
{
this->UpdateAutoResolution();
RegisterWndClass();
FindResolutions(this->GetFullscreenBpp());
/* fullscreen uses those */
this->width = this->width_org = _cur_resolution.width;
this->height = this->height_org = _cur_resolution.height;
DEBUG(driver, 2, "Resolution for display: %ux%u", _cur_resolution.width, _cur_resolution.height);
}
void VideoDriver_Win32Base::Stop()
{
DestroyWindow(this->main_wnd);
if (this->fullscreen) ChangeDisplaySettings(nullptr, 0);
MyShowCursor(true);
}
void VideoDriver_Win32Base::MakeDirty(int left, int top, int width, int height)
{
Rect r = {left, top, left + width, top + height};
this->dirty_rect = BoundingRect(this->dirty_rect, r);
}
void VideoDriver_Win32Base::CheckPaletteAnim()
{
if (_cur_palette.count_dirty == 0) return;
_local_palette = _cur_palette;
this->MakeDirty(0, 0, _screen.width, _screen.height);
}
void VideoDriver_Win32Base::InputLoop()
{
bool old_ctrl_pressed = _ctrl_pressed;
_ctrl_pressed = this->has_focus && GetAsyncKeyState(VK_CONTROL) < 0;
_shift_pressed = this->has_focus && GetAsyncKeyState(VK_SHIFT) < 0;
#if defined(_DEBUG)
if (_shift_pressed)
#else
/* Speedup when pressing tab, except when using ALT+TAB
* to switch to another application. */
if (this->has_focus && GetAsyncKeyState(VK_TAB) < 0 && GetAsyncKeyState(VK_MENU) >= 0)
#endif
{
if (!_networking && _game_mode != GM_MENU) _fast_forward |= 2;
} else if (_fast_forward & 2) {
_fast_forward = 0;
}
/* Determine which directional keys are down. */
if (this->has_focus) {
_dirkeys =
(GetAsyncKeyState(VK_LEFT) < 0 ? 1 : 0) +
(GetAsyncKeyState(VK_UP) < 0 ? 2 : 0) +
(GetAsyncKeyState(VK_RIGHT) < 0 ? 4 : 0) +
(GetAsyncKeyState(VK_DOWN) < 0 ? 8 : 0);
} else {
_dirkeys = 0;
}
if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
}
bool VideoDriver_Win32Base::PollEvent()
{
MSG mesg;
if (!PeekMessage(&mesg, nullptr, 0, 0, PM_REMOVE)) return false;
/* Convert key messages to char messages if we want text input. */
if (EditBoxInGlobalFocus()) TranslateMessage(&mesg);
DispatchMessage(&mesg);
return true;
}
void VideoDriver_Win32Base::MainLoop()
{
std::thread draw_thread;
if (this->draw_threaded) {
/* Initialise the mutex first, because that's the thing we *need*
* directly in the newly created thread. */
try {
this->draw_signal = new std::condition_variable_any();
this->draw_mutex = new std::recursive_mutex();
} catch (...) {
this->draw_threaded = false;
}
if (this->draw_threaded) {
this->draw_lock = std::unique_lock<std::recursive_mutex>(*this->draw_mutex);
this->draw_continue = true;
this->draw_threaded = StartNewThread(&draw_thread, "ottd:draw-win32", &VideoDriver_Win32Base::PaintThreadThunk, this);
/* Free the mutex if we won't be able to use it. */
if (!this->draw_threaded) {
this->draw_lock.unlock();
this->draw_lock.release();
delete this->draw_mutex;
delete this->draw_signal;
this->draw_mutex = nullptr;
this->draw_signal = nullptr;
} else {
DEBUG(driver, 1, "Threaded drawing enabled");
/* Wait till the draw thread has started itself. */
this->draw_signal->wait(*this->draw_mutex);
}
}
}
for (;;) {
if (_exit_game) break;
/* Flush GDI buffer to ensure we don't conflict with the drawing thread. */
GdiFlush();
if (this->Tick()) {
if (this->draw_mutex != nullptr && !HasModalProgress()) {
this->draw_signal->notify_one();
} else {
this->Paint();
}
}
this->SleepTillNextTick();
}
if (this->draw_threaded) {
this->draw_continue = false;
/* Sending signal if there is no thread blocked
* is very valid and results in noop */
this->draw_signal->notify_all();
if (this->draw_lock.owns_lock()) this->draw_lock.unlock();
this->draw_lock.release();
draw_thread.join();
delete this->draw_mutex;
delete this->draw_signal;
this->draw_mutex = nullptr;
}
}
void VideoDriver_Win32Base::ClientSizeChanged(int w, int h, bool force)
{
/* Allocate backing store of the new size. */
if (this->AllocateBackingStore(w, h, force)) {
/* Mark all palette colours dirty. */
_cur_palette.first_dirty = 0;
_cur_palette.count_dirty = 256;
_local_palette = _cur_palette;
BlitterFactory::GetCurrentBlitter()->PostResize();
GameSizeChanged();
}
}
bool VideoDriver_Win32Base::ChangeResolution(int w, int h)
{
std::unique_lock<std::recursive_mutex> lock;
if (this->draw_mutex != nullptr) lock = std::unique_lock<std::recursive_mutex>(*this->draw_mutex);
if (_window_maximize) ShowWindow(this->main_wnd, SW_SHOWNORMAL);
this->width = this->width_org = w;
this->height = this->height_org = h;
return this->MakeWindow(_fullscreen); // _wnd.fullscreen screws up ingame resolution switching
}
bool VideoDriver_Win32Base::ToggleFullscreen(bool full_screen)
{
std::unique_lock<std::recursive_mutex> lock;
if (this->draw_mutex != nullptr) lock = std::unique_lock<std::recursive_mutex>(*this->draw_mutex);
return this->MakeWindow(full_screen);
}
void VideoDriver_Win32Base::AcquireBlitterLock()
{
if (this->draw_mutex != nullptr) this->draw_mutex->lock();
}
void VideoDriver_Win32Base::ReleaseBlitterLock()
{
if (this->draw_mutex != nullptr) this->draw_mutex->unlock();
}
void VideoDriver_Win32Base::EditBoxLostFocus()
{
std::unique_lock<std::recursive_mutex> lock;
if (this->draw_mutex != nullptr) lock = std::unique_lock<std::recursive_mutex>(*this->draw_mutex);
CancelIMEComposition(this->main_wnd);
SetCompositionPos(this->main_wnd);
SetCandidatePos(this->main_wnd);
}
Dimension VideoDriver_Win32Base::GetScreenSize() const
{
return { static_cast<uint>(GetSystemMetrics(SM_CXSCREEN)), static_cast<uint>(GetSystemMetrics(SM_CYSCREEN)) };
}
float VideoDriver_Win32Base::GetDPIScale()
{
typedef UINT (WINAPI *PFNGETDPIFORWINDOW)(HWND hwnd);
typedef UINT (WINAPI *PFNGETDPIFORSYSTEM)(VOID);
typedef HRESULT (WINAPI *PFNGETDPIFORMONITOR)(HMONITOR hMonitor, int dpiType, UINT *dpiX, UINT *dpiY);
static PFNGETDPIFORWINDOW _GetDpiForWindow = nullptr;
static PFNGETDPIFORSYSTEM _GetDpiForSystem = nullptr;
static PFNGETDPIFORMONITOR _GetDpiForMonitor = nullptr;
static bool init_done = false;
if (!init_done) {
init_done = true;
_GetDpiForWindow = (PFNGETDPIFORWINDOW)GetProcAddress(GetModuleHandle(L"User32"), "GetDpiForWindow");
_GetDpiForSystem = (PFNGETDPIFORSYSTEM)GetProcAddress(GetModuleHandle(L"User32"), "GetDpiForSystem");
_GetDpiForMonitor = (PFNGETDPIFORMONITOR)GetProcAddress(LoadLibrary(L"Shcore.dll"), "GetDpiForMonitor");
}
UINT cur_dpi = 0;
if (cur_dpi == 0 && _GetDpiForWindow != nullptr && this->main_wnd != nullptr) {
/* Per window DPI is supported since Windows 10 Ver 1607. */
cur_dpi = _GetDpiForWindow(this->main_wnd);
}
if (cur_dpi == 0 && _GetDpiForMonitor != nullptr && this->main_wnd != nullptr) {
/* Per monitor is supported since Windows 8.1. */
UINT dpiX, dpiY;
if (SUCCEEDED(_GetDpiForMonitor(MonitorFromWindow(this->main_wnd, MONITOR_DEFAULTTOPRIMARY), 0 /* MDT_EFFECTIVE_DPI */, &dpiX, &dpiY))) {
cur_dpi = dpiX; // X and Y are always identical.
}
}
if (cur_dpi == 0 && _GetDpiForSystem != nullptr) {
/* Fall back to system DPI. */
cur_dpi = _GetDpiForSystem();
}
return cur_dpi > 0 ? cur_dpi / 96.0f : 1.0f; // Default Windows DPI value is 96.
}
bool VideoDriver_Win32Base::LockVideoBuffer()
{
if (this->buffer_locked) return false;
this->buffer_locked = true;
if (this->draw_threaded) this->draw_lock.lock();
_screen.dst_ptr = this->GetVideoPointer();
assert(_screen.dst_ptr != nullptr);
return true;
}
void VideoDriver_Win32Base::UnlockVideoBuffer()
{
assert(_screen.dst_ptr != nullptr);
if (_screen.dst_ptr != nullptr) {
/* Hand video buffer back to the drawing backend. */
this->ReleaseVideoPointer();
_screen.dst_ptr = nullptr;
}
if (this->draw_threaded) this->draw_lock.unlock();
this->buffer_locked = false;
}
static FVideoDriver_Win32GDI iFVideoDriver_Win32GDI;
const char *VideoDriver_Win32GDI::Start(const StringList ¶m)
{
if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
this->Initialize();
this->MakePalette();
this->AllocateBackingStore(_cur_resolution.width, _cur_resolution.height);
this->MakeWindow(_fullscreen);
MarkWholeScreenDirty();
this->draw_threaded = !GetDriverParam(param, "no_threads") && !GetDriverParam(param, "no_thread") && std::thread::hardware_concurrency() > 1;
return nullptr;
}
void VideoDriver_Win32GDI::Stop()
{
DeleteObject(this->gdi_palette);
DeleteObject(this->dib_sect);
this->VideoDriver_Win32Base::Stop();
}
bool VideoDriver_Win32GDI::AllocateBackingStore(int w, int h, bool force)
{
uint bpp = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
w = std::max(w, 64);
h = std::max(h, 64);
if (!force && w == _screen.width && h == _screen.height) return false;
BITMAPINFO *bi = (BITMAPINFO *)alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bi->bmiHeader.biWidth = this->width = w;
bi->bmiHeader.biHeight = -(this->height = h);
bi->bmiHeader.biPlanes = 1;
bi->bmiHeader.biBitCount = bpp;
bi->bmiHeader.biCompression = BI_RGB;
if (this->dib_sect) DeleteObject(this->dib_sect);
HDC dc = GetDC(0);
this->dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (VOID **)&this->buffer_bits, nullptr, 0);
if (this->dib_sect == nullptr) usererror("CreateDIBSection failed");
ReleaseDC(0, dc);
_screen.width = w;
_screen.pitch = (bpp == 8) ? Align(w, 4) : w;
_screen.height = h;
_screen.dst_ptr = this->GetVideoPointer();
return true;
}
bool VideoDriver_Win32GDI::AfterBlitterChange()
{
assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
return this->AllocateBackingStore(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen);
}
void VideoDriver_Win32GDI::MakePalette()
{
_cur_palette.first_dirty = 0;
_cur_palette.count_dirty = 256;
_local_palette = _cur_palette;
LOGPALETTE *pal = (LOGPALETTE*)alloca(sizeof(LOGPALETTE) + (256 - 1) * sizeof(PALETTEENTRY));
pal->palVersion = 0x300;
pal->palNumEntries = 256;
for (uint i = 0; i != 256; i++) {
pal->palPalEntry[i].peRed = _local_palette.palette[i].r;
pal->palPalEntry[i].peGreen = _local_palette.palette[i].g;
pal->palPalEntry[i].peBlue = _local_palette.palette[i].b;
pal->palPalEntry[i].peFlags = 0;
}
this->gdi_palette = CreatePalette(pal);
if (this->gdi_palette == nullptr) usererror("CreatePalette failed!\n");
}
void VideoDriver_Win32GDI::UpdatePalette(HDC dc, uint start, uint count)
{
RGBQUAD rgb[256];
for (uint i = 0; i != count; i++) {
rgb[i].rgbRed = _local_palette.palette[start + i].r;
rgb[i].rgbGreen = _local_palette.palette[start + i].g;
rgb[i].rgbBlue = _local_palette.palette[start + i].b;
rgb[i].rgbReserved = 0;
}
SetDIBColorTable(dc, start, count, rgb);
}
void VideoDriver_Win32GDI::PaletteChanged(HWND hWnd)
{
HDC hDC = GetWindowDC(hWnd);
HPALETTE hOldPalette = SelectPalette(hDC, this->gdi_palette, FALSE);
UINT nChanged = RealizePalette(hDC);
SelectPalette(hDC, hOldPalette, TRUE);
ReleaseDC(hWnd, hDC);
if (nChanged != 0) this->MakeDirty(0, 0, _screen.width, _screen.height);
}
void VideoDriver_Win32GDI::Paint()
{
PerformanceMeasurer framerate(PFE_VIDEO);
if (IsEmptyRect(this->dirty_rect)) return;
HDC dc = GetDC(this->main_wnd);
HDC dc2 = CreateCompatibleDC(dc);
HBITMAP old_bmp = (HBITMAP)SelectObject(dc2, this->dib_sect);
HPALETTE old_palette = SelectPalette(dc, this->gdi_palette, FALSE);
if (_cur_palette.count_dirty != 0) {
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
switch (blitter->UsePaletteAnimation()) {
case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
this->UpdatePalette(dc2, _local_palette.first_dirty, _local_palette.count_dirty);
break;
case Blitter::PALETTE_ANIMATION_BLITTER: {
bool need_buf = _screen.dst_ptr == nullptr;
if (need_buf) _screen.dst_ptr = this->GetVideoPointer();
blitter->PaletteAnimate(_local_palette);
if (need_buf) {
this->ReleaseVideoPointer();
_screen.dst_ptr = nullptr;
}
break;
}
case Blitter::PALETTE_ANIMATION_NONE:
break;
default:
NOT_REACHED();
}
_cur_palette.count_dirty = 0;
}
BitBlt(dc, 0, 0, this->width, this->height, dc2, 0, 0, SRCCOPY);
SelectPalette(dc, old_palette, TRUE);
SelectObject(dc2, old_bmp);
DeleteDC(dc2);
ReleaseDC(this->main_wnd, dc);
this->dirty_rect = {};
}
void VideoDriver_Win32GDI::PaintThread()
{
/* First tell the main thread we're started */
std::unique_lock<std::recursive_mutex> lock(*this->draw_mutex);
this->draw_signal->notify_one();
/* Now wait for the first thing to draw! */
this->draw_signal->wait(*this->draw_mutex);
while (this->draw_continue) {
this->Paint();
/* Flush GDI buffer to ensure drawing here doesn't conflict with any GDI usage in the main WndProc. */
GdiFlush();
this->draw_signal->wait(*this->draw_mutex);
}
}
#ifdef _DEBUG
/* Keep this function here..
* It allows you to redraw the screen from within the MSVC debugger */
/* static */ int VideoDriver_Win32GDI::RedrawScreenDebug()
{
static int _fooctr;
VideoDriver_Win32GDI *drv = static_cast<VideoDriver_Win32GDI *>(VideoDriver::GetInstance());
_screen.dst_ptr = drv->GetVideoPointer();
UpdateWindows();
drv->Paint();
GdiFlush();
return _fooctr++;
}
#endif
#ifdef WITH_OPENGL
#include <GL/gl.h>
#include "../3rdparty/opengl/glext.h"
#include "../3rdparty/opengl/wglext.h"
#include "opengl.h"
#ifndef PFD_SUPPORT_COMPOSITION
# define PFD_SUPPORT_COMPOSITION 0x00008000
#endif
static PFNWGLCREATECONTEXTATTRIBSARBPROC _wglCreateContextAttribsARB = nullptr;
static PFNWGLSWAPINTERVALEXTPROC _wglSwapIntervalEXT = nullptr;
static bool _hasWGLARBCreateContextProfile = false; ///< Is WGL_ARB_create_context_profile supported?
/** Platform-specific callback to get an OpenGL function pointer. */
static OGLProc GetOGLProcAddressCallback(const char *proc)
{
OGLProc ret = reinterpret_cast<OGLProc>(wglGetProcAddress(proc));
if (ret == nullptr) {
/* Non-extension GL function? Try normal loading. */
ret = reinterpret_cast<OGLProc>(GetProcAddress(GetModuleHandle(L"opengl32"), proc));
}
return ret;
}
/**
* Set the pixel format of a window-
* @param dc Device context to set the pixel format of.
* @param fullscreen Should the pixel format be used for fullscreen drawing?
* @return nullptr on success, error message otherwise.
*/
static const char *SelectPixelFormat(HDC dc, bool fullscreen)
{
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // Size of this struct.
1, // Version of this struct.
PFD_DRAW_TO_WINDOW | // Require window support.
PFD_SUPPORT_OPENGL | // Require OpenGL support.
PFD_DOUBLEBUFFER | // Use double buffering.
PFD_DEPTH_DONTCARE,
PFD_TYPE_RGBA, // Request RGBA format.
24, // 24 bpp (excluding alpha).
0, 0, 0, 0, 0, 0, 0, 0, // Colour bits and shift ignored.
0, 0, 0, 0, 0, // No accumulation buffer.
0, 0, // No depth/stencil buffer.
0, // No aux buffers.
PFD_MAIN_PLANE, // Main layer.
0, 0, 0, 0 // Ignored/reserved.
};
if (IsWindowsVistaOrGreater()) pfd.dwFlags |= PFD_SUPPORT_COMPOSITION; // Make OpenTTD compatible with Aero.
/* Choose a suitable pixel format. */
int format = ChoosePixelFormat(dc, &pfd);
if (format == 0) return "No suitable pixel format found";
if (!SetPixelFormat(dc, format, &pfd)) return "Can't set pixel format";
return nullptr;
}
/** Bind all WGL extension functions we need. */
static void LoadWGLExtensions()
{
/* Querying the supported WGL extensions and loading the matching
* functions requires a valid context, even for the extensions
* regarding context creation. To get around this, we create
* a dummy window with a dummy context. The extension functions
* remain valid even after this context is destroyed. */
HWND wnd = CreateWindow(_T("STATIC"), _T("dummy"), WS_OVERLAPPEDWINDOW, 0, 0, 0, 0, nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
HDC dc = GetDC(wnd);
/* Set pixel format of the window. */
if (SelectPixelFormat(dc, false) == nullptr) {
/* Create rendering context. */
HGLRC rc = wglCreateContext(dc);
if (rc != nullptr) {
wglMakeCurrent(dc, rc);
/* Get list of WGL extensions. */
PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
if (wglGetExtensionsStringARB != nullptr) {
const char *wgl_exts = wglGetExtensionsStringARB(dc);
/* Bind supported functions. */
if (FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context") != nullptr) {
_wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
}
_hasWGLARBCreateContextProfile = FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context_profile") != nullptr;
if (FindStringInExtensionList(wgl_exts, "WGL_EXT_swap_control") != nullptr) {
_wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
}
}
wglMakeCurrent(nullptr, nullptr);
wglDeleteContext(rc);
}
}
ReleaseDC(wnd, dc);
DestroyWindow(wnd);
}
static FVideoDriver_Win32OpenGL iFVideoDriver_Win32OpenGL;
const char *VideoDriver_Win32OpenGL::Start(const StringList ¶m)
{
if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
Dimension old_res = _cur_resolution; // Save current screen resolution in case of errors, as MakeWindow invalidates it.
this->vsync = GetDriverParamBool(param, "vsync");
LoadWGLExtensions();
this->Initialize();
this->MakeWindow(_fullscreen);
/* Create and initialize OpenGL context. */
const char *err = this->AllocateContext();
if (err != nullptr) {
this->Stop();
_cur_resolution = old_res;
return err;
}
this->ClientSizeChanged(this->width, this->height, true);
this->draw_threaded = false;
MarkWholeScreenDirty();
return nullptr;
}
void VideoDriver_Win32OpenGL::Stop()
{
this->DestroyContext();
this->VideoDriver_Win32Base::Stop();
}
void VideoDriver_Win32OpenGL::DestroyContext()
{
OpenGLBackend::Destroy();
wglMakeCurrent(nullptr, nullptr);
if (this->gl_rc != nullptr) {
wglDeleteContext(this->gl_rc);
this->gl_rc = nullptr;
}
if (this->dc != nullptr) {
ReleaseDC(this->main_wnd, this->dc);
this->dc = nullptr;
}
}
const char *VideoDriver_Win32OpenGL::AllocateContext()
{
this->dc = GetDC(this->main_wnd);
const char *err = SelectPixelFormat(this->dc, this->fullscreen);
if (err != nullptr) return err;
HGLRC rc = nullptr;
/* Create OpenGL device context. Try to get an 3.2+ context if possible. */
if (_wglCreateContextAttribsARB != nullptr) {
int attribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 2,
WGL_CONTEXT_FLAGS_ARB, _debug_driver_level >= 8 ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
_hasWGLARBCreateContextProfile ? WGL_CONTEXT_PROFILE_MASK_ARB : 0, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, // Terminate list if WGL_ARB_create_context_profile isn't supported.
0
};
rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs);
}
if (rc == nullptr) {
/* Old OpenGL or old driver, let's hope for the best. */
rc = wglCreateContext(this->dc);
if (rc == nullptr) return "Can't create OpenGL context";
}
if (!wglMakeCurrent(this->dc, rc)) return "Can't active GL context";
/* Enable/disable Vsync if supported. */
if (_wglSwapIntervalEXT != nullptr) {
_wglSwapIntervalEXT(this->vsync ? 1 : 0);
} else if (vsync) {
DEBUG(driver, 0, "OpenGL: Vsync requested, but not supported by driver");
}
this->gl_rc = rc;
return OpenGLBackend::Create(&GetOGLProcAddressCallback);
}
bool VideoDriver_Win32OpenGL::ToggleFullscreen(bool full_screen)
{
if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
this->DestroyContext();
bool res = this->VideoDriver_Win32Base::ToggleFullscreen(full_screen);
res &= this->AllocateContext() == nullptr;
this->ClientSizeChanged(this->width, this->height, true);
return res;
}
bool VideoDriver_Win32OpenGL::AfterBlitterChange()
{
assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
this->ClientSizeChanged(this->width, this->height, true);
return true;
}
void VideoDriver_Win32OpenGL::ClearSystemSprites()
{
OpenGLBackend::Get()->ClearCursorCache();
}
bool VideoDriver_Win32OpenGL::AllocateBackingStore(int w, int h, bool force)
{
if (!force && w == _screen.width && h == _screen.height) return false;
this->width = w = std::max(w, 64);
this->height = h = std::max(h, 64);
if (this->gl_rc == nullptr) return false;
if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
this->dirty_rect = {};
bool res = OpenGLBackend::Get()->Resize(w, h, force);
_screen.dst_ptr = this->GetVideoPointer();
return res;
}
void *VideoDriver_Win32OpenGL::GetVideoPointer()
{
if (BlitterFactory::GetCurrentBlitter()->NeedsAnimationBuffer()) {
this->anim_buffer = OpenGLBackend::Get()->GetAnimBuffer();
}
return OpenGLBackend::Get()->GetVideoBuffer();
}
void VideoDriver_Win32OpenGL::ReleaseVideoPointer()
{
if (this->anim_buffer != nullptr) OpenGLBackend::Get()->ReleaseAnimBuffer(this->dirty_rect);
OpenGLBackend::Get()->ReleaseVideoBuffer(this->dirty_rect);
this->dirty_rect = {};
_screen.dst_ptr = nullptr;
this->anim_buffer = nullptr;
}
void VideoDriver_Win32OpenGL::Paint()
{
PerformanceMeasurer framerate(PFE_VIDEO);
if (_cur_palette.count_dirty != 0) {
Blitter *blitter = BlitterFactory::GetCurrentBlitter();
/* Always push a changed palette to OpenGL. */
OpenGLBackend::Get()->UpdatePalette(_local_palette.palette, _local_palette.first_dirty, _local_palette.count_dirty);
if (blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_BLITTER) {
blitter->PaletteAnimate(_local_palette);
}
_cur_palette.count_dirty = 0;
}
OpenGLBackend::Get()->Paint();
if (_cursor.in_window) OpenGLBackend::Get()->DrawMouseCursor();
SwapBuffers(this->dc);
}
#endif /* WITH_OPENGL */
|