OpenTTD Source: src/video/win32_v.cpp Source File

OpenTTD Source 12.2

win32_v.cpp
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1 /*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
10 #include "../stdafx.h"
11 #include "../openttd.h"
12 #include "../gfx_func.h"
13 #include "../os/windows/win32.h"
14 #include "../rev.h"
15 #include "../blitter/factory.hpp"
16 #include "../core/geometry_func.hpp"
17 #include "../core/math_func.hpp"
18 #include "../core/random_func.hpp"
19 #include "../texteff.hpp"
20 #include "../thread.h"
21 #include "../progress.h"
22 #include "../window_gui.h"
23 #include "../window_func.h"
24 #include "../framerate_type.h"
25 #include "win32_v.h"
26 #include <windows.h>
27 #include <imm.h>
28 #include <versionhelpers.h>
29
30 #include "../safeguards.h"
31
32 /* Missing define in MinGW headers. */
33 #ifndef MAPVK_VK_TO_CHAR
34 #define MAPVK_VK_TO_CHAR (2)
35 #endif
36
37 #ifndef PM_QS_INPUT
38 #define PM_QS_INPUT 0x20000
39 #endif
40
41 bool _window_maximize;
42 static Dimension _bck_resolution;
43 DWORD _imm_props;
44
45 static Palette _local_palette;
46
47 bool VideoDriver_Win32Base::ClaimMousePointer()
48 {
49 MyShowCursor(false, true);
50 return true;
51 }
52
53 struct Win32VkMapping {
54 byte vk_from;
55 byte vk_count;
56 byte map_to;
57 };
58
59 #define AS(x, z) {x, 0, z}
60 #define AM(x, y, z, w) {x, y - x, z}
61
62 static const Win32VkMapping _vk_mapping[] = {
63 /* Pageup stuff + up/down */
64 AM(VK_PRIOR, VK_DOWN, WKC_PAGEUP, WKC_DOWN),
65 /* Map letters & digits */
66 AM('A', 'Z', 'A', 'Z'),
67 AM('0', '9', '0', '9'),
68
69 AS(VK_ESCAPE, WKC_ESC),
70 AS(VK_PAUSE, WKC_PAUSE),
71 AS(VK_BACK, WKC_BACKSPACE),
72 AM(VK_INSERT, VK_DELETE, WKC_INSERT, WKC_DELETE),
73
74 AS(VK_SPACE, WKC_SPACE),
75 AS(VK_RETURN, WKC_RETURN),
76 AS(VK_TAB, WKC_TAB),
77
78 /* Function keys */
79 AM(VK_F1, VK_F12, WKC_F1, WKC_F12),
80
81 /* Numeric part */
82 AM(VK_NUMPAD0, VK_NUMPAD9, '0', '9'),
83 AS(VK_DIVIDE, WKC_NUM_DIV),
84 AS(VK_MULTIPLY, WKC_NUM_MUL),
85 AS(VK_SUBTRACT, WKC_NUM_MINUS),
86 AS(VK_ADD, WKC_NUM_PLUS),
87 AS(VK_DECIMAL, WKC_NUM_DECIMAL),
88
89 /* Other non-letter keys */
90 AS(0xBF, WKC_SLASH),
91 AS(0xBA, WKC_SEMICOLON),
92 AS(0xBB, WKC_EQUALS),
93 AS(0xDB, WKC_L_BRACKET),
94 AS(0xDC, WKC_BACKSLASH),
95 AS(0xDD, WKC_R_BRACKET),
96
97 AS(0xDE, WKC_SINGLEQUOTE),
98 AS(0xBC, WKC_COMMA),
99 AS(0xBD, WKC_MINUS),
100 AS(0xBE, WKC_PERIOD)
101 };
102
103 static uint MapWindowsKey(uint sym)
104 {
105 const Win32VkMapping *map;
106 uint key = 0;
107
108 for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
109 if ((uint)(sym - map->vk_from) <= map->vk_count) {
110 key = sym - map->vk_from + map->map_to;
111 break;
112 }
113 }
114
115 if (GetAsyncKeyState(VK_SHIFT) < 0) key |= WKC_SHIFT;
116 if (GetAsyncKeyState(VK_CONTROL) < 0) key |= WKC_CTRL;
117 if (GetAsyncKeyState(VK_MENU) < 0) key |= WKC_ALT;
118 return key;
119 }
120
122 uint8 VideoDriver_Win32Base::GetFullscreenBpp()
123 {
124 /* Check modes for the relevant fullscreen bpp */
125 return _support8bpp != S8BPP_HARDWARE ? 32 : BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
126 }
127
134 bool VideoDriver_Win32Base::MakeWindow(bool full_screen, bool resize)
135 {
136 /* full_screen is whether the new window should be fullscreen,
137 * _wnd.fullscreen is whether the current window is. */
138 _fullscreen = full_screen;
139
140 /* recreate window? */
141 if ((full_screen != this->fullscreen) && this->main_wnd) {
142 DestroyWindow(this->main_wnd);
143 this->main_wnd = 0;
144 }
145
146 if (full_screen) {
147 DEVMODE settings;
148
149 memset(&settings, 0, sizeof(settings));
150 settings.dmSize = sizeof(settings);
151 settings.dmFields =
152 DM_BITSPERPEL |
153 DM_PELSWIDTH |
154 DM_PELSHEIGHT;
155 settings.dmBitsPerPel = this->GetFullscreenBpp();
156 settings.dmPelsWidth = this->width_org;
157 settings.dmPelsHeight = this->height_org;
158
159 /* Check for 8 bpp support. */
160 if (settings.dmBitsPerPel == 8 && ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
161 settings.dmBitsPerPel = 32;
162 }
163
164 /* Test fullscreen with current resolution, if it fails use desktop resolution. */
165 if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
166 RECT r;
167 GetWindowRect(GetDesktopWindow(), &r);
168 /* Guard against recursion. If we already failed here once, just fall through to
169 * the next ChangeDisplaySettings call which will fail and error out appropriately. */
170 if ((int)settings.dmPelsWidth != r.right - r.left || (int)settings.dmPelsHeight != r.bottom - r.top) {
171 return this->ChangeResolution(r.right - r.left, r.bottom - r.top);
172 }
173 }
174
175 if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {
176 this->MakeWindow(false, resize); // don't care about the result
177 return false; // the request failed
178 }
179 } else if (this->fullscreen) {
180 /* restore display? */
181 ChangeDisplaySettings(nullptr, 0);
182 /* restore the resolution */
183 this->width = _bck_resolution.width;
184 this->height = _bck_resolution.height;
185 }
186
187 {
188 RECT r;
189 DWORD style, showstyle;
190 int w, h;
191
192 showstyle = SW_SHOWNORMAL;
193 this->fullscreen = full_screen;
194 if (this->fullscreen) {
195 style = WS_POPUP;
196 SetRect(&r, 0, 0, this->width_org, this->height_org);
197 } else {
198 style = WS_OVERLAPPEDWINDOW;
199 /* On window creation, check if we were in maximize mode before */
200 if (_window_maximize) showstyle = SW_SHOWMAXIMIZED;
201 SetRect(&r, 0, 0, this->width, this->height);
202 }
203
204 AdjustWindowRect(&r, style, FALSE);
205 w = r.right - r.left;
206 h = r.bottom - r.top;
207
208 if (this->main_wnd != nullptr) {
209 if (!_window_maximize && resize) SetWindowPos(this->main_wnd, 0, 0, 0, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
210 } else {
211 int x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
212 int y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
213
214 char window_title[64];
215 seprintf(window_title, lastof(window_title), "OpenTTD %s", _openttd_revision);
216
217 this->main_wnd = CreateWindow(L"OTTD", OTTD2FS(window_title).c_str(), style, x, y, w, h, 0, 0, GetModuleHandle(nullptr), this);
218 if (this->main_wnd == nullptr) usererror("CreateWindow failed");
219 ShowWindow(this->main_wnd, showstyle);
220 }
221 }
222
223 BlitterFactory::GetCurrentBlitter()->PostResize();
224
225 GameSizeChanged();
226 return true;
227 }
228
230 static LRESULT HandleCharMsg(uint keycode, WChar charcode)
231 {
232 static WChar prev_char = 0;
233
234 /* Did we get a lead surrogate? If yes, store and exit. */
235 if (Utf16IsLeadSurrogate(charcode)) {
236 if (prev_char != 0) Debug(driver, 1, "Got two UTF-16 lead surrogates, dropping the first one");
237 prev_char = charcode;
238 return 0;
239 }
240
241 /* Stored lead surrogate and incoming trail surrogate? Combine and forward to input handling. */
242 if (prev_char != 0) {
243 if (Utf16IsTrailSurrogate(charcode)) {
244 charcode = Utf16DecodeSurrogate(prev_char, charcode);
245 } else {
246 Debug(driver, 1, "Got an UTF-16 lead surrogate without a trail surrogate, dropping the lead surrogate");
247 }
248 }
249 prev_char = 0;
250
251 HandleKeypress(keycode, charcode);
252
253 return 0;
254 }
255
257 static bool DrawIMECompositionString()
258 {
259 return (_imm_props & IME_PROP_AT_CARET) && !(_imm_props & IME_PROP_SPECIAL_UI);
260 }
261
263 static void SetCompositionPos(HWND hwnd)
264 {
265 HIMC hIMC = ImmGetContext(hwnd);
266 if (hIMC != NULL) {
267 COMPOSITIONFORM cf;
268 cf.dwStyle = CFS_POINT;
269
270 if (EditBoxInGlobalFocus()) {
271 /* Get caret position. */
272 Point pt = _focused_window->GetCaretPosition();
273 cf.ptCurrentPos.x = _focused_window->left + pt.x;
274 cf.ptCurrentPos.y = _focused_window->top + pt.y;
275 } else {
276 cf.ptCurrentPos.x = 0;
277 cf.ptCurrentPos.y = 0;
278 }
279 ImmSetCompositionWindow(hIMC, &cf);
280 }
281 ImmReleaseContext(hwnd, hIMC);
282 }
283
285 static void SetCandidatePos(HWND hwnd)
286 {
287 HIMC hIMC = ImmGetContext(hwnd);
288 if (hIMC != NULL) {
289 CANDIDATEFORM cf;
290 cf.dwIndex = 0;
291 cf.dwStyle = CFS_EXCLUDE;
292
293 if (EditBoxInGlobalFocus()) {
294 Point pt = _focused_window->GetCaretPosition();
295 cf.ptCurrentPos.x = _focused_window->left + pt.x;
296 cf.ptCurrentPos.y = _focused_window->top + pt.y;
297 if (_focused_window->window_class == WC_CONSOLE) {
298 cf.rcArea.left = _focused_window->left;
299 cf.rcArea.top = _focused_window->top;
300 cf.rcArea.right = _focused_window->left + _focused_window->width;
301 cf.rcArea.bottom = _focused_window->top + _focused_window->height;
302 } else {
303 cf.rcArea.left = _focused_window->left + _focused_window->nested_focus->pos_x;
304 cf.rcArea.top = _focused_window->top + _focused_window->nested_focus->pos_y;
305 cf.rcArea.right = cf.rcArea.left + _focused_window->nested_focus->current_x;
306 cf.rcArea.bottom = cf.rcArea.top + _focused_window->nested_focus->current_y;
307 }
308 } else {
309 cf.ptCurrentPos.x = 0;
310 cf.ptCurrentPos.y = 0;
311 SetRectEmpty(&cf.rcArea);
312 }
313 ImmSetCandidateWindow(hIMC, &cf);
314 }
315 ImmReleaseContext(hwnd, hIMC);
316 }
317
319 static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
320 {
321 HIMC hIMC = ImmGetContext(hwnd);
322
323 if (hIMC != NULL) {
324 if (lParam & GCS_RESULTSTR) {
325 /* Read result string from the IME. */
326 LONG len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
327 wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
328 len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, str, len);
329 str[len / sizeof(wchar_t)] = '\0';
330
331 /* Transmit text to windowing system. */
332 if (len > 0) {
333 HandleTextInput(nullptr, true); // Clear marked string.
334 HandleTextInput(FS2OTTD(str).c_str());
335 }
336 SetCompositionPos(hwnd);
337
338 /* Don't pass the result string on to the default window proc. */
339 lParam &= ~(GCS_RESULTSTR | GCS_RESULTCLAUSE | GCS_RESULTREADCLAUSE | GCS_RESULTREADSTR);
340 }
341
342 if ((lParam & GCS_COMPSTR) && DrawIMECompositionString()) {
343 /* Read composition string from the IME. */
344 LONG len = ImmGetCompositionString(hIMC, GCS_COMPSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
345 wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
346 len = ImmGetCompositionString(hIMC, GCS_COMPSTR, str, len);
347 str[len / sizeof(wchar_t)] = '\0';
348
349 if (len > 0) {
350 static char utf8_buf[1024];
351 convert_from_fs(str, utf8_buf, lengthof(utf8_buf));
352
353 /* Convert caret position from bytes in the input string to a position in the UTF-8 encoded string. */
354 LONG caret_bytes = ImmGetCompositionString(hIMC, GCS_CURSORPOS, nullptr, 0);
355 const char *caret = utf8_buf;
356 for (const wchar_t *c = str; *c != '\0' && *caret != '\0' && caret_bytes > 0; c++, caret_bytes--) {
357 /* Skip DBCS lead bytes or leading surrogates. */
358 if (Utf16IsLeadSurrogate(*c)) {
359 c++;
360 caret_bytes--;
361 }
362 Utf8Consume(&caret);
363 }
364
365 HandleTextInput(utf8_buf, true, caret);
366 } else {
367 HandleTextInput(nullptr, true);
368 }
369
370 lParam &= ~(GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS | GCS_DELTASTART);
371 }
372 }
373 ImmReleaseContext(hwnd, hIMC);
374
375 return lParam != 0 ? DefWindowProc(hwnd, WM_IME_COMPOSITION, wParam, lParam) : 0;
376 }
377
379 static void CancelIMEComposition(HWND hwnd)
380 {
381 HIMC hIMC = ImmGetContext(hwnd);
382 if (hIMC != NULL) ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
383 ImmReleaseContext(hwnd, hIMC);
384 /* Clear any marked string from the current edit box. */
385 HandleTextInput(nullptr, true);
386 }
387
388 LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
389 {
390 static uint32 keycode = 0;
391 static bool console = false;
392
393 VideoDriver_Win32Base *video_driver = (VideoDriver_Win32Base *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
394
395 switch (msg) {
396 case WM_CREATE:
397 SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)((LPCREATESTRUCT)lParam)->lpCreateParams);
398 _cursor.in_window = false; // Win32 has mouse tracking.
399 SetCompositionPos(hwnd);
400 _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
401 break;
402
403 case WM_PAINT: {
404 RECT r;
405 GetUpdateRect(hwnd, &r, FALSE);
406 video_driver->MakeDirty(r.left, r.top, r.right - r.left, r.bottom - r.top);
407
408 ValidateRect(hwnd, nullptr);
409 return 0;
410 }
411
412 case WM_PALETTECHANGED:
413 if ((HWND)wParam == hwnd) return 0;
414 FALLTHROUGH;
415
416 case WM_QUERYNEWPALETTE:
417 video_driver->PaletteChanged(hwnd);
418 return 0;
419
420 case WM_CLOSE:
421 HandleExitGameRequest();
422 return 0;
423
424 case WM_DESTROY:
425 if (_window_maximize) _cur_resolution = _bck_resolution;
426 return 0;
427
428 case WM_LBUTTONDOWN:
429 SetCapture(hwnd);
430 _left_button_down = true;
431 HandleMouseEvents();
432 return 0;
433
434 case WM_LBUTTONUP:
435 ReleaseCapture();
436 _left_button_down = false;
437 _left_button_clicked = false;
438 HandleMouseEvents();
439 return 0;
440
441 case WM_RBUTTONDOWN:
442 SetCapture(hwnd);
443 _right_button_down = true;
444 _right_button_clicked = true;
445 HandleMouseEvents();
446 return 0;
447
448 case WM_RBUTTONUP:
449 ReleaseCapture();
450 _right_button_down = false;
451 HandleMouseEvents();
452 return 0;
453
454 case WM_MOUSELEAVE:
455 UndrawMouseCursor();
456 _cursor.in_window = false;
457
458 if (!_left_button_down && !_right_button_down) MyShowCursor(true);
459 return 0;
460
461 case WM_MOUSEMOVE: {
462 int x = (int16)LOWORD(lParam);
463 int y = (int16)HIWORD(lParam);
464
465 /* If the mouse was not in the window and it has moved it means it has
466 * come into the window, so start drawing the mouse. Also start
467 * tracking the mouse for exiting the window */
468 if (!_cursor.in_window) {
469 _cursor.in_window = true;
470 TRACKMOUSEEVENT tme;
471 tme.cbSize = sizeof(tme);
472 tme.dwFlags = TME_LEAVE;
473 tme.hwndTrack = hwnd;
474
475 TrackMouseEvent(&tme);
476 }
477
478 if (_cursor.fix_at) {
479 /* Get all queued mouse events now in case we have to warp the cursor. In the
480 * end, we only care about the current mouse position and not bygone events. */
481 MSG m;
482 while (PeekMessage(&m, hwnd, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE | PM_NOYIELD | PM_QS_INPUT)) {
483 x = (int16)LOWORD(m.lParam);
484 y = (int16)HIWORD(m.lParam);
485 }
486 }
487
488 if (_cursor.UpdateCursorPosition(x, y, false)) {
489 POINT pt;
490 pt.x = _cursor.pos.x;
491 pt.y = _cursor.pos.y;
492 ClientToScreen(hwnd, &pt);
493 SetCursorPos(pt.x, pt.y);
494 }
495 MyShowCursor(false);
496 HandleMouseEvents();
497 return 0;
498 }
499
500 case WM_INPUTLANGCHANGE:
501 _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
502 break;
503
504 case WM_IME_SETCONTEXT:
505 /* Don't show the composition window if we draw the string ourself. */
506 if (DrawIMECompositionString()) lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
507 break;
508
509 case WM_IME_STARTCOMPOSITION:
510 SetCompositionPos(hwnd);
511 if (DrawIMECompositionString()) return 0;
512 break;
513
514 case WM_IME_COMPOSITION:
515 return HandleIMEComposition(hwnd, wParam, lParam);
516
517 case WM_IME_ENDCOMPOSITION:
518 /* Clear any pending composition string. */
519 HandleTextInput(nullptr, true);
520 if (DrawIMECompositionString()) return 0;
521 break;
522
523 case WM_IME_NOTIFY:
524 if (wParam == IMN_OPENCANDIDATE) SetCandidatePos(hwnd);
525 break;
526
527 case WM_DEADCHAR:
528 console = GB(lParam, 16, 8) == 41;
529 return 0;
530
531 case WM_CHAR: {
532 uint scancode = GB(lParam, 16, 8);
533 uint charcode = wParam;
534
535 /* If the console key is a dead-key, we need to press it twice to get a WM_CHAR message.
536 * But we then get two WM_CHAR messages, so ignore the first one */
537 if (console && scancode == 41) {
538 console = false;
539 return 0;
540 }
541
542 /* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
543 * clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
544 uint cur_keycode = keycode;
545 keycode = 0;
546
547 return HandleCharMsg(cur_keycode, charcode);
548 }
549
550 case WM_KEYDOWN: {
551 /* No matter the keyboard layout, we will map the '~' to the console. */
552 uint scancode = GB(lParam, 16, 8);
553 keycode = scancode == 41 ? (uint)WKC_BACKQUOTE : MapWindowsKey(wParam);
554
555 uint charcode = MapVirtualKey(wParam, MAPVK_VK_TO_CHAR);
556
557 /* No character translation? */
558 if (charcode == 0) {
559 HandleKeypress(keycode, 0);
560 return 0;
561 }
562
563 /* If an edit box is in focus, wait for the corresponding WM_CHAR message. */
564 if (!EditBoxInGlobalFocus()) {
565 /* Is the console key a dead key? If yes, ignore the first key down event. */
566 if (HasBit(charcode, 31) && !console) {
567 if (scancode == 41) {
568 console = true;
569 return 0;
570 }
571 }
572 console = false;
573
574 /* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
575 * clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
576 uint cur_keycode = keycode;
577 keycode = 0;
578
579 return HandleCharMsg(cur_keycode, LOWORD(charcode));
580 }
581
582 return 0;
583 }
584
585 case WM_SYSKEYDOWN: // user presses F10 or Alt, both activating the title-menu
586 switch (wParam) {
587 case VK_RETURN:
588 case 'F': // Full Screen on ALT + ENTER/F
589 ToggleFullScreen(!video_driver->fullscreen);
590 return 0;
591
592 case VK_MENU: // Just ALT
593 return 0; // do nothing
594
595 case VK_F10: // F10, ignore activation of menu
596 HandleKeypress(MapWindowsKey(wParam), 0);
597 return 0;
598
599 default: // ALT in combination with something else
600 HandleKeypress(MapWindowsKey(wParam), 0);
601 break;
602 }
603 break;
604
605 case WM_SIZE:
606 if (wParam != SIZE_MINIMIZED) {
607 /* Set maximized flag when we maximize (obviously), but also when we
608 * switched to fullscreen from a maximized state */
609 _window_maximize = (wParam == SIZE_MAXIMIZED || (_window_maximize && _fullscreen));
610 if (_window_maximize || _fullscreen) _bck_resolution = _cur_resolution;
611 video_driver->ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
612 }
613 return 0;
614
615 case WM_SIZING: {
616 RECT *r = (RECT*)lParam;
617 RECT r2;
618 int w, h;
619
620 SetRect(&r2, 0, 0, 0, 0);
621 AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
622
623 w = r->right - r->left - (r2.right - r2.left);
624 h = r->bottom - r->top - (r2.bottom - r2.top);
625 w = std::max(w, 64);
626 h = std::max(h, 64);
627 SetRect(&r2, 0, 0, w, h);
628
629 AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
630 w = r2.right - r2.left;
631 h = r2.bottom - r2.top;
632
633 switch (wParam) {
634 case WMSZ_BOTTOM:
635 r->bottom = r->top + h;
636 break;
637
638 case WMSZ_BOTTOMLEFT:
639 r->bottom = r->top + h;
640 r->left = r->right - w;
641 break;
642
643 case WMSZ_BOTTOMRIGHT:
644 r->bottom = r->top + h;
645 r->right = r->left + w;
646 break;
647
648 case WMSZ_LEFT:
649 r->left = r->right - w;
650 break;
651
652 case WMSZ_RIGHT:
653 r->right = r->left + w;
654 break;
655
656 case WMSZ_TOP:
657 r->top = r->bottom - h;
658 break;
659
660 case WMSZ_TOPLEFT:
661 r->top = r->bottom - h;
662 r->left = r->right - w;
663 break;
664
665 case WMSZ_TOPRIGHT:
666 r->top = r->bottom - h;
667 r->right = r->left + w;
668 break;
669 }
670 return TRUE;
671 }
672
673 /* needed for wheel */
674 #if !defined(WM_MOUSEWHEEL)
675 # define WM_MOUSEWHEEL 0x020A
676 #endif /* WM_MOUSEWHEEL */
677 #if !defined(GET_WHEEL_DELTA_WPARAM)
678 # define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))
679 #endif /* GET_WHEEL_DELTA_WPARAM */
680
681 case WM_MOUSEWHEEL: {
682 int delta = GET_WHEEL_DELTA_WPARAM(wParam);
683
684 if (delta < 0) {
685 _cursor.wheel++;
686 } else if (delta > 0) {
687 _cursor.wheel--;
688 }
689 HandleMouseEvents();
690 return 0;
691 }
692
693 case WM_SETFOCUS:
694 video_driver->has_focus = true;
695 SetCompositionPos(hwnd);
696 break;
697
698 case WM_KILLFOCUS:
699 video_driver->has_focus = false;
700 break;
701
702 case WM_ACTIVATE: {
703 /* Don't do anything if we are closing openttd */
704 if (_exit_game) break;
705
706 bool active = (LOWORD(wParam) != WA_INACTIVE);
707 bool minimized = (HIWORD(wParam) != 0);
708 if (video_driver->fullscreen) {
709 if (active && minimized) {
710 /* Restore the game window */
711 Dimension d = _bck_resolution; // Save current non-fullscreen window size as it will be overwritten by ShowWindow.
712 ShowWindow(hwnd, SW_RESTORE);
713 _bck_resolution = d;
714 video_driver->MakeWindow(true);
715 } else if (!active && !minimized) {
716 /* Minimise the window and restore desktop */
717 ShowWindow(hwnd, SW_MINIMIZE);
718 ChangeDisplaySettings(nullptr, 0);
719 }
720 }
721 break;
722 }
723 }
724
725 return DefWindowProc(hwnd, msg, wParam, lParam);
726 }
727
728 static void RegisterWndClass()
729 {
730 static bool registered = false;
731
732 if (registered) return;
733
734 HINSTANCE hinst = GetModuleHandle(nullptr);
735 WNDCLASS wnd = {
736 CS_OWNDC,
737 WndProcGdi,
738 0,
739 0,
740 hinst,
741 LoadIcon(hinst, MAKEINTRESOURCE(100)),
742 LoadCursor(nullptr, IDC_ARROW),
743 0,
744 0,
745 L"OTTD"
746 };
747
748 registered = true;
749 if (!RegisterClass(&wnd)) usererror("RegisterClass failed");
750 }
751
752 static const Dimension default_resolutions[] = {
753 { 640, 480 },
754 { 800, 600 },
755 { 1024, 768 },
756 { 1152, 864 },
757 { 1280, 800 },
758 { 1280, 960 },
759 { 1280, 1024 },
760 { 1400, 1050 },
761 { 1600, 1200 },
762 { 1680, 1050 },
763 { 1920, 1200 }
764 };
765
766 static void FindResolutions(uint8 bpp)
767 {
768 _resolutions.clear();
769
770 DEVMODE dm;
771 for (uint i = 0; EnumDisplaySettings(nullptr, i, &dm) != 0; i++) {
772 if (dm.dmBitsPerPel != bpp || dm.dmPelsWidth < 640 || dm.dmPelsHeight < 480) continue;
773 if (std::find(_resolutions.begin(), _resolutions.end(), Dimension(dm.dmPelsWidth, dm.dmPelsHeight)) != _resolutions.end()) continue;
774 _resolutions.emplace_back(dm.dmPelsWidth, dm.dmPelsHeight);
775 }
776
777 /* We have found no resolutions, show the default list */
778 if (_resolutions.empty()) {
779 _resolutions.assign(std::begin(default_resolutions), std::end(default_resolutions));
780 }
781
782 SortResolutions();
783 }
784
785 void VideoDriver_Win32Base::Initialize()
786 {
787 this->UpdateAutoResolution();
788
789 RegisterWndClass();
790 FindResolutions(this->GetFullscreenBpp());
791
792 /* fullscreen uses those */
793 this->width = this->width_org = _cur_resolution.width;
794 this->height = this->height_org = _cur_resolution.height;
795
796 Debug(driver, 2, "Resolution for display: {}x{}", _cur_resolution.width, _cur_resolution.height);
797 }
798
799 void VideoDriver_Win32Base::Stop()
800 {
801 DestroyWindow(this->main_wnd);
802
803 if (this->fullscreen) ChangeDisplaySettings(nullptr, 0);
804 MyShowCursor(true);
805 }
806 void VideoDriver_Win32Base::MakeDirty(int left, int top, int width, int height)
807 {
808 Rect r = {left, top, left + width, top + height};
809 this->dirty_rect = BoundingRect(this->dirty_rect, r);
810 }
811
812 void VideoDriver_Win32Base::CheckPaletteAnim()
813 {
814 if (!CopyPalette(_local_palette)) return;
815 this->MakeDirty(0, 0, _screen.width, _screen.height);
816 }
817
818 void VideoDriver_Win32Base::InputLoop()
819 {
820 bool old_ctrl_pressed = _ctrl_pressed;
821
822 _ctrl_pressed = this->has_focus && GetAsyncKeyState(VK_CONTROL) < 0;
823 _shift_pressed = this->has_focus && GetAsyncKeyState(VK_SHIFT) < 0;
824
825 #if defined(_DEBUG)
826 this->fast_forward_key_pressed = _shift_pressed;
827 #else
828 /* Speedup when pressing tab, except when using ALT+TAB
829 * to switch to another application. */
830 this->fast_forward_key_pressed = this->has_focus && GetAsyncKeyState(VK_TAB) < 0 && GetAsyncKeyState(VK_MENU) >= 0;
831 #endif
832
833 /* Determine which directional keys are down. */
834 if (this->has_focus) {
835 _dirkeys =
836 (GetAsyncKeyState(VK_LEFT) < 0 ? 1 : 0) +
837 (GetAsyncKeyState(VK_UP) < 0 ? 2 : 0) +
838 (GetAsyncKeyState(VK_RIGHT) < 0 ? 4 : 0) +
839 (GetAsyncKeyState(VK_DOWN) < 0 ? 8 : 0);
840 } else {
841 _dirkeys = 0;
842 }
843
844 if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
845 }
846
847 bool VideoDriver_Win32Base::PollEvent()
848 {
849 MSG mesg;
850
851 if (!PeekMessage(&mesg, nullptr, 0, 0, PM_REMOVE)) return false;
852
853 /* Convert key messages to char messages if we want text input. */
854 if (EditBoxInGlobalFocus()) TranslateMessage(&mesg);
855 DispatchMessage(&mesg);
856
857 return true;
858 }
859
860 void VideoDriver_Win32Base::MainLoop()
861 {
862 this->StartGameThread();
863
864 for (;;) {
865 if (_exit_game) break;
866
867 this->Tick();
868 this->SleepTillNextTick();
869 }
870
871 this->StopGameThread();
872 }
873
874 void VideoDriver_Win32Base::ClientSizeChanged(int w, int h, bool force)
875 {
876 /* Allocate backing store of the new size. */
877 if (this->AllocateBackingStore(w, h, force)) {
878 CopyPalette(_local_palette, true);
879
880 BlitterFactory::GetCurrentBlitter()->PostResize();
881
882 GameSizeChanged();
883 }
884 }
885
886 bool VideoDriver_Win32Base::ChangeResolution(int w, int h)
887 {
888 if (_window_maximize) ShowWindow(this->main_wnd, SW_SHOWNORMAL);
889
890 this->width = this->width_org = w;
891 this->height = this->height_org = h;
892
893 return this->MakeWindow(_fullscreen); // _wnd.fullscreen screws up ingame resolution switching
894 }
895
896 bool VideoDriver_Win32Base::ToggleFullscreen(bool full_screen)
897 {
898 bool res = this->MakeWindow(full_screen);
899
900 InvalidateWindowClassesData(WC_GAME_OPTIONS, 3);
901 return res;
902 }
903
904 void VideoDriver_Win32Base::EditBoxLostFocus()
905 {
906 CancelIMEComposition(this->main_wnd);
907 SetCompositionPos(this->main_wnd);
908 SetCandidatePos(this->main_wnd);
909 }
910
911 static BOOL CALLBACK MonitorEnumProc(HMONITOR hMonitor, HDC hDC, LPRECT rc, LPARAM data)
912 {
913 auto &list = *reinterpret_cast<std::vector<int>*>(data);
914
915 MONITORINFOEX monitorInfo = {};
916 monitorInfo.cbSize = sizeof(MONITORINFOEX);
917 GetMonitorInfo(hMonitor, &monitorInfo);
918
919 DEVMODE devMode = {};
920 devMode.dmSize = sizeof(DEVMODE);
921 devMode.dmDriverExtra = 0;
922 EnumDisplaySettings(monitorInfo.szDevice, ENUM_CURRENT_SETTINGS, &devMode);
923
924 if (devMode.dmDisplayFrequency != 0) list.push_back(devMode.dmDisplayFrequency);
925 return true;
926 }
927
928 std::vector<int> VideoDriver_Win32Base::GetListOfMonitorRefreshRates()
929 {
930 std::vector<int> rates = {};
931 EnumDisplayMonitors(nullptr, nullptr, MonitorEnumProc, reinterpret_cast<LPARAM>(&rates));
932 return rates;
933 }
934
935 Dimension VideoDriver_Win32Base::GetScreenSize() const
936 {
937 return { static_cast<uint>(GetSystemMetrics(SM_CXSCREEN)), static_cast<uint>(GetSystemMetrics(SM_CYSCREEN)) };
938 }
939
940 float VideoDriver_Win32Base::GetDPIScale()
941 {
942 typedef UINT (WINAPI *PFNGETDPIFORWINDOW)(HWND hwnd);
943 typedef UINT (WINAPI *PFNGETDPIFORSYSTEM)(VOID);
944 typedef HRESULT (WINAPI *PFNGETDPIFORMONITOR)(HMONITOR hMonitor, int dpiType, UINT *dpiX, UINT *dpiY);
945
946 static PFNGETDPIFORWINDOW _GetDpiForWindow = nullptr;
947 static PFNGETDPIFORSYSTEM _GetDpiForSystem = nullptr;
948 static PFNGETDPIFORMONITOR _GetDpiForMonitor = nullptr;
949
950 static bool init_done = false;
951 if (!init_done) {
952 init_done = true;
953 static DllLoader _user32(L"user32.dll");
954 static DllLoader _shcore(L"shcore.dll");
955 _GetDpiForWindow = _user32.GetProcAddress("GetDpiForWindow");
956 _GetDpiForSystem = _user32.GetProcAddress("GetDpiForSystem");
957 _GetDpiForMonitor = _shcore.GetProcAddress("GetDpiForMonitor");
958 }
959
960 UINT cur_dpi = 0;
961
962 if (cur_dpi == 0 && _GetDpiForWindow != nullptr && this->main_wnd != nullptr) {
963 /* Per window DPI is supported since Windows 10 Ver 1607. */
964 cur_dpi = _GetDpiForWindow(this->main_wnd);
965 }
966 if (cur_dpi == 0 && _GetDpiForMonitor != nullptr && this->main_wnd != nullptr) {
967 /* Per monitor is supported since Windows 8.1. */
968 UINT dpiX, dpiY;
969 if (SUCCEEDED(_GetDpiForMonitor(MonitorFromWindow(this->main_wnd, MONITOR_DEFAULTTOPRIMARY), 0 /* MDT_EFFECTIVE_DPI */, &dpiX, &dpiY))) {
970 cur_dpi = dpiX; // X and Y are always identical.
971 }
972 }
973 if (cur_dpi == 0 && _GetDpiForSystem != nullptr) {
974 /* Fall back to system DPI. */
975 cur_dpi = _GetDpiForSystem();
976 }
977
978 return cur_dpi > 0 ? cur_dpi / 96.0f : 1.0f; // Default Windows DPI value is 96.
979 }
980
981 bool VideoDriver_Win32Base::LockVideoBuffer()
982 {
983 if (this->buffer_locked) return false;
984 this->buffer_locked = true;
985
986 _screen.dst_ptr = this->GetVideoPointer();
987 assert(_screen.dst_ptr != nullptr);
988
989 return true;
990 }
991
992 void VideoDriver_Win32Base::UnlockVideoBuffer()
993 {
994 assert(_screen.dst_ptr != nullptr);
995 if (_screen.dst_ptr != nullptr) {
996 /* Hand video buffer back to the drawing backend. */
997 this->ReleaseVideoPointer();
998 _screen.dst_ptr = nullptr;
999 }
1000
1001 this->buffer_locked = false;
1002 }
1003
1004
1005 static FVideoDriver_Win32GDI iFVideoDriver_Win32GDI;
1006
1007 const char *VideoDriver_Win32GDI::Start(const StringList &param)
1008 {
1009 if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
1010
1011 this->Initialize();
1012
1013 this->MakePalette();
1014 this->AllocateBackingStore(_cur_resolution.width, _cur_resolution.height);
1015 this->MakeWindow(_fullscreen);
1016
1017 MarkWholeScreenDirty();
1018
1019 this->is_game_threaded = !GetDriverParamBool(param, "no_threads") && !GetDriverParamBool(param, "no_thread");
1020
1021 return nullptr;
1022 }
1023
1024 void VideoDriver_Win32GDI::Stop()
1025 {
1026 DeleteObject(this->gdi_palette);
1027 DeleteObject(this->dib_sect);
1028
1029 this->VideoDriver_Win32Base::Stop();
1030 }
1031
1032 bool VideoDriver_Win32GDI::AllocateBackingStore(int w, int h, bool force)
1033 {
1034 uint bpp = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
1035
1036 w = std::max(w, 64);
1037 h = std::max(h, 64);
1038
1039 if (!force && w == _screen.width && h == _screen.height) return false;
1040
1041 BITMAPINFO *bi = (BITMAPINFO *)alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
1042 memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
1043 bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1044
1045 bi->bmiHeader.biWidth = this->width = w;
1046 bi->bmiHeader.biHeight = -(this->height = h);
1047
1048 bi->bmiHeader.biPlanes = 1;
1049 bi->bmiHeader.biBitCount = bpp;
1050 bi->bmiHeader.biCompression = BI_RGB;
1051
1052 if (this->dib_sect) DeleteObject(this->dib_sect);
1053
1054 HDC dc = GetDC(0);
1055 this->dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (VOID **)&this->buffer_bits, nullptr, 0);
1056 if (this->dib_sect == nullptr) usererror("CreateDIBSection failed");
1057 ReleaseDC(0, dc);
1058
1059 _screen.width = w;
1060 _screen.pitch = (bpp == 8) ? Align(w, 4) : w;
1061 _screen.height = h;
1062 _screen.dst_ptr = this->GetVideoPointer();
1063
1064 return true;
1065 }
1066
1067 bool VideoDriver_Win32GDI::AfterBlitterChange()
1068 {
1069 assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
1070 return this->AllocateBackingStore(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen, false);
1071 }
1072
1073 void VideoDriver_Win32GDI::MakePalette()
1074 {
1075 CopyPalette(_local_palette, true);
1076
1077 LOGPALETTE *pal = (LOGPALETTE*)alloca(sizeof(LOGPALETTE) + (256 - 1) * sizeof(PALETTEENTRY));
1078
1079 pal->palVersion = 0x300;
1080 pal->palNumEntries = 256;
1081
1082 for (uint i = 0; i != 256; i++) {
1083 pal->palPalEntry[i].peRed = _local_palette.palette[i].r;
1084 pal->palPalEntry[i].peGreen = _local_palette.palette[i].g;
1085 pal->palPalEntry[i].peBlue = _local_palette.palette[i].b;
1086 pal->palPalEntry[i].peFlags = 0;
1087
1088 }
1089 this->gdi_palette = CreatePalette(pal);
1090 if (this->gdi_palette == nullptr) usererror("CreatePalette failed!\n");
1091 }
1092
1093 void VideoDriver_Win32GDI::UpdatePalette(HDC dc, uint start, uint count)
1094 {
1095 RGBQUAD rgb[256];
1096
1097 for (uint i = 0; i != count; i++) {
1098 rgb[i].rgbRed = _local_palette.palette[start + i].r;
1099 rgb[i].rgbGreen = _local_palette.palette[start + i].g;
1100 rgb[i].rgbBlue = _local_palette.palette[start + i].b;
1101 rgb[i].rgbReserved = 0;
1102 }
1103
1104 SetDIBColorTable(dc, start, count, rgb);
1105 }
1106
1107 void VideoDriver_Win32GDI::PaletteChanged(HWND hWnd)
1108 {
1109 HDC hDC = GetWindowDC(hWnd);
1110 HPALETTE hOldPalette = SelectPalette(hDC, this->gdi_palette, FALSE);
1111 UINT nChanged = RealizePalette(hDC);
1112
1113 SelectPalette(hDC, hOldPalette, TRUE);
1114 ReleaseDC(hWnd, hDC);
1115 if (nChanged != 0) this->MakeDirty(0, 0, _screen.width, _screen.height);
1116 }
1117
1118 void VideoDriver_Win32GDI::Paint()
1119 {
1120 PerformanceMeasurer framerate(PFE_VIDEO);
1121
1122 if (IsEmptyRect(this->dirty_rect)) return;
1123
1124 HDC dc = GetDC(this->main_wnd);
1125 HDC dc2 = CreateCompatibleDC(dc);
1126
1127 HBITMAP old_bmp = (HBITMAP)SelectObject(dc2, this->dib_sect);
1128 HPALETTE old_palette = SelectPalette(dc, this->gdi_palette, FALSE);
1129
1130 if (_local_palette.count_dirty != 0) {
1131 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
1132
1133 switch (blitter->UsePaletteAnimation()) {
1134 case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
1135 this->UpdatePalette(dc2, _local_palette.first_dirty, _local_palette.count_dirty);
1136 break;
1137
1138 case Blitter::PALETTE_ANIMATION_BLITTER: {
1139 blitter->PaletteAnimate(_local_palette);
1140 break;
1141 }
1142
1143 case Blitter::PALETTE_ANIMATION_NONE:
1144 break;
1145
1146 default:
1147 NOT_REACHED();
1148 }
1149 _local_palette.count_dirty = 0;
1150 }
1151
1152 BitBlt(dc, 0, 0, this->width, this->height, dc2, 0, 0, SRCCOPY);
1153 SelectPalette(dc, old_palette, TRUE);
1154 SelectObject(dc2, old_bmp);
1155 DeleteDC(dc2);
1156
1157 ReleaseDC(this->main_wnd, dc);
1158
1159 this->dirty_rect = {};
1160 }
1161
1162 #ifdef _DEBUG
1163 /* Keep this function here..
1164 * It allows you to redraw the screen from within the MSVC debugger */
1165 /* static */ int VideoDriver_Win32GDI::RedrawScreenDebug()
1166 {
1167 static int _fooctr;
1168
1169 VideoDriver_Win32GDI *drv = static_cast<VideoDriver_Win32GDI *>(VideoDriver::GetInstance());
1170
1171 _screen.dst_ptr = drv->GetVideoPointer();
1172 UpdateWindows();
1173
1174 drv->Paint();
1175 GdiFlush();
1176
1177 return _fooctr++;
1178 }
1179 #endif
1180
1181 #ifdef WITH_OPENGL
1182
1183 #include <GL/gl.h>
1184 #include "../3rdparty/opengl/glext.h"
1185 #include "../3rdparty/opengl/wglext.h"
1186 #include "opengl.h"
1187
1188 #ifndef PFD_SUPPORT_COMPOSITION
1189 # define PFD_SUPPORT_COMPOSITION 0x00008000
1190 #endif
1191
1192 static PFNWGLCREATECONTEXTATTRIBSARBPROC _wglCreateContextAttribsARB = nullptr;
1193 static PFNWGLSWAPINTERVALEXTPROC _wglSwapIntervalEXT = nullptr;
1194 static bool _hasWGLARBCreateContextProfile = false;
1195
1197 static OGLProc GetOGLProcAddressCallback(const char *proc)
1198 {
1199 OGLProc ret = reinterpret_cast<OGLProc>(wglGetProcAddress(proc));
1200 if (ret == nullptr) {
1201 /* Non-extension GL function? Try normal loading. */
1202 ret = reinterpret_cast<OGLProc>(GetProcAddress(GetModuleHandle(L"opengl32"), proc));
1203 }
1204 return ret;
1205 }
1206
1213 static const char *SelectPixelFormat(HDC dc, bool fullscreen)
1214 {
1215 PIXELFORMATDESCRIPTOR pfd = {
1216 sizeof(PIXELFORMATDESCRIPTOR), // Size of this struct.
1217 1, // Version of this struct.
1218 PFD_DRAW_TO_WINDOW | // Require window support.
1219 PFD_SUPPORT_OPENGL | // Require OpenGL support.
1220 PFD_DOUBLEBUFFER | // Use double buffering.
1221 PFD_DEPTH_DONTCARE,
1222 PFD_TYPE_RGBA, // Request RGBA format.
1223 24, // 24 bpp (excluding alpha).
1224 0, 0, 0, 0, 0, 0, 0, 0, // Colour bits and shift ignored.
1225 0, 0, 0, 0, 0, // No accumulation buffer.
1226 0, 0, // No depth/stencil buffer.
1227 0, // No aux buffers.
1228 PFD_MAIN_PLANE, // Main layer.
1229 0, 0, 0, 0 // Ignored/reserved.
1230 };
1231
1232 if (IsWindowsVistaOrGreater()) pfd.dwFlags |= PFD_SUPPORT_COMPOSITION; // Make OpenTTD compatible with Aero.
1233
1234 /* Choose a suitable pixel format. */
1235 int format = ChoosePixelFormat(dc, &pfd);
1236 if (format == 0) return "No suitable pixel format found";
1237 if (!SetPixelFormat(dc, format, &pfd)) return "Can't set pixel format";
1238
1239 return nullptr;
1240 }
1241
1243 static void LoadWGLExtensions()
1244 {
1245 /* Querying the supported WGL extensions and loading the matching
1246 * functions requires a valid context, even for the extensions
1247 * regarding context creation. To get around this, we create
1248 * a dummy window with a dummy context. The extension functions
1249 * remain valid even after this context is destroyed. */
1250 HWND wnd = CreateWindow(_T("STATIC"), _T("dummy"), WS_OVERLAPPEDWINDOW, 0, 0, 0, 0, nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
1251 HDC dc = GetDC(wnd);
1252
1253 /* Set pixel format of the window. */
1254 if (SelectPixelFormat(dc, false) == nullptr) {
1255 /* Create rendering context. */
1256 HGLRC rc = wglCreateContext(dc);
1257 if (rc != nullptr) {
1258 wglMakeCurrent(dc, rc);
1259
1260 #ifdef __MINGW32__
1261 /* GCC doesn't understand the expected usage of wglGetProcAddress(). */
1262 #pragma GCC diagnostic push
1263 #pragma GCC diagnostic ignored "-Wcast-function-type"
1264 #endif /* __MINGW32__ */
1265
1266 /* Get list of WGL extensions. */
1267 PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
1268 if (wglGetExtensionsStringARB != nullptr) {
1269 const char *wgl_exts = wglGetExtensionsStringARB(dc);
1270 /* Bind supported functions. */
1271 if (FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context") != nullptr) {
1272 _wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
1273 }
1274 _hasWGLARBCreateContextProfile = FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context_profile") != nullptr;
1275 if (FindStringInExtensionList(wgl_exts, "WGL_EXT_swap_control") != nullptr) {
1276 _wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
1277 }
1278 }
1279
1280 #ifdef __MINGW32__
1281 #pragma GCC diagnostic pop
1282 #endif
1283 wglMakeCurrent(nullptr, nullptr);
1284 wglDeleteContext(rc);
1285 }
1286 }
1287
1288 ReleaseDC(wnd, dc);
1289 DestroyWindow(wnd);
1290 }
1291
1292 static FVideoDriver_Win32OpenGL iFVideoDriver_Win32OpenGL;
1293
1294 const char *VideoDriver_Win32OpenGL::Start(const StringList &param)
1295 {
1296 if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
1297
1298 Dimension old_res = _cur_resolution; // Save current screen resolution in case of errors, as MakeWindow invalidates it.
1299
1300 LoadWGLExtensions();
1301
1302 this->Initialize();
1303 this->MakeWindow(_fullscreen);
1304
1305 /* Create and initialize OpenGL context. */
1306 const char *err = this->AllocateContext();
1307 if (err != nullptr) {
1308 this->Stop();
1309 _cur_resolution = old_res;
1310 return err;
1311 }
1312
1313 this->ClientSizeChanged(this->width, this->height, true);
1314 /* We should have a valid screen buffer now. If not, something went wrong and we should abort. */
1315 if (_screen.dst_ptr == nullptr) {
1316 this->Stop();
1317 _cur_resolution = old_res;
1318 return "Can't get pointer to screen buffer";
1319 }
1320 /* Main loop expects to start with the buffer unmapped. */
1321 this->ReleaseVideoPointer();
1322
1323 MarkWholeScreenDirty();
1324
1325 this->is_game_threaded = !GetDriverParamBool(param, "no_threads") && !GetDriverParamBool(param, "no_thread");
1326
1327 return nullptr;
1328 }
1329
1330 void VideoDriver_Win32OpenGL::Stop()
1331 {
1332 this->DestroyContext();
1333 this->VideoDriver_Win32Base::Stop();
1334 }
1335
1336 void VideoDriver_Win32OpenGL::DestroyContext()
1337 {
1338 OpenGLBackend::Destroy();
1339
1340 wglMakeCurrent(nullptr, nullptr);
1341 if (this->gl_rc != nullptr) {
1342 wglDeleteContext(this->gl_rc);
1343 this->gl_rc = nullptr;
1344 }
1345 if (this->dc != nullptr) {
1346 ReleaseDC(this->main_wnd, this->dc);
1347 this->dc = nullptr;
1348 }
1349 }
1350
1351 void VideoDriver_Win32OpenGL::ToggleVsync(bool vsync)
1352 {
1353 if (_wglSwapIntervalEXT != nullptr) {
1354 _wglSwapIntervalEXT(vsync);
1355 } else if (vsync) {
1356 Debug(driver, 0, "OpenGL: Vsync requested, but not supported by driver");
1357 }
1358 }
1359
1360 const char *VideoDriver_Win32OpenGL::AllocateContext()
1361 {
1362 this->dc = GetDC(this->main_wnd);
1363
1364 const char *err = SelectPixelFormat(this->dc, this->fullscreen);
1365 if (err != nullptr) return err;
1366
1367 HGLRC rc = nullptr;
1368
1369 /* Create OpenGL device context. Try to get an 3.2+ context if possible. */
1370 if (_wglCreateContextAttribsARB != nullptr) {
1371 /* Try for OpenGL 4.5 first. */
1372 int attribs[] = {
1373 WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
1374 WGL_CONTEXT_MINOR_VERSION_ARB, 5,
1375 WGL_CONTEXT_FLAGS_ARB, _debug_driver_level >= 8 ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
1376 _hasWGLARBCreateContextProfile ? WGL_CONTEXT_PROFILE_MASK_ARB : 0, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, // Terminate list if WGL_ARB_create_context_profile isn't supported.
1377 0
1378 };
1379 rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs);
1380
1381 if (rc == nullptr) {
1382 /* Try again for a 3.2 context. */
1383 attribs[1] = 3;
1384 attribs[3] = 2;
1385 rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs);
1386 }
1387 }
1388
1389 if (rc == nullptr) {
1390 /* Old OpenGL or old driver, let's hope for the best. */
1391 rc = wglCreateContext(this->dc);
1392 if (rc == nullptr) return "Can't create OpenGL context";
1393 }
1394 if (!wglMakeCurrent(this->dc, rc)) return "Can't active GL context";
1395
1396 this->ToggleVsync(_video_vsync);
1397
1398 this->gl_rc = rc;
1399 return OpenGLBackend::Create(&GetOGLProcAddressCallback, this->GetScreenSize());
1400 }
1401
1402 bool VideoDriver_Win32OpenGL::ToggleFullscreen(bool full_screen)
1403 {
1404 if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
1405 this->DestroyContext();
1406 bool res = this->VideoDriver_Win32Base::ToggleFullscreen(full_screen);
1407 res &= this->AllocateContext() == nullptr;
1408 this->ClientSizeChanged(this->width, this->height, true);
1409 return res;
1410 }
1411
1412 bool VideoDriver_Win32OpenGL::AfterBlitterChange()
1413 {
1414 assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
1415 this->ClientSizeChanged(this->width, this->height, true);
1416 return true;
1417 }
1418
1419 void VideoDriver_Win32OpenGL::PopulateSystemSprites()
1420 {
1421 OpenGLBackend::Get()->PopulateCursorCache();
1422 }
1423
1424 void VideoDriver_Win32OpenGL::ClearSystemSprites()
1425 {
1426 OpenGLBackend::Get()->ClearCursorCache();
1427 }
1428
1429 bool VideoDriver_Win32OpenGL::AllocateBackingStore(int w, int h, bool force)
1430 {
1431 if (!force && w == _screen.width && h == _screen.height) return false;
1432
1433 this->width = w = std::max(w, 64);
1434 this->height = h = std::max(h, 64);
1435
1436 if (this->gl_rc == nullptr) return false;
1437
1438 if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
1439
1440 this->dirty_rect = {};
1441 bool res = OpenGLBackend::Get()->Resize(w, h, force);
1442 SwapBuffers(this->dc);
1443 _screen.dst_ptr = this->GetVideoPointer();
1444
1445 return res;
1446 }
1447
1448 void *VideoDriver_Win32OpenGL::GetVideoPointer()
1449 {
1450 if (BlitterFactory::GetCurrentBlitter()->NeedsAnimationBuffer()) {
1451 this->anim_buffer = OpenGLBackend::Get()->GetAnimBuffer();
1452 }
1453 return OpenGLBackend::Get()->GetVideoBuffer();
1454 }
1455
1456 void VideoDriver_Win32OpenGL::ReleaseVideoPointer()
1457 {
1458 if (this->anim_buffer != nullptr) OpenGLBackend::Get()->ReleaseAnimBuffer(this->dirty_rect);
1459 OpenGLBackend::Get()->ReleaseVideoBuffer(this->dirty_rect);
1460 this->dirty_rect = {};
1461 _screen.dst_ptr = nullptr;
1462 this->anim_buffer = nullptr;
1463 }
1464
1465 void VideoDriver_Win32OpenGL::Paint()
1466 {
1467 PerformanceMeasurer framerate(PFE_VIDEO);
1468
1469 if (_local_palette.count_dirty != 0) {
1470 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
1471
1472 /* Always push a changed palette to OpenGL. */
1473 OpenGLBackend::Get()->UpdatePalette(_local_palette.palette, _local_palette.first_dirty, _local_palette.count_dirty);
1474 if (blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_BLITTER) {
1475 blitter->PaletteAnimate(_local_palette);
1476 }
1477
1478 _local_palette.count_dirty = 0;
1479 }
1480
1481 OpenGLBackend::Get()->Paint();
1482 OpenGLBackend::Get()->DrawMouseCursor();
1483
1484 SwapBuffers(this->dc);
1485 }
1486
1487 #endif /* WITH_OPENGL */
_dirkeys
byte _dirkeys
1 = left, 2 = up, 4 = right, 8 = down
Definition: gfx.cpp:32
WKC_SINGLEQUOTE
@ WKC_SINGLEQUOTE
' Single quote
Definition: gfx_type.h:101
VideoDriver::Tick
void Tick()
Give the video-driver a tick.
Definition: video_driver.cpp:100
VideoDriver_Win32Base::AllocateBackingStore
virtual bool AllocateBackingStore(int w, int h, bool force=false)=0
(Re-)create the backing store.
VideoDriver_Win32Base::MainLoop
void MainLoop() override
Perform the actual drawing.
Definition: win32_v.cpp:860
Palette::first_dirty
int first_dirty
The first dirty element.
Definition: gfx_type.h:315
VideoDriver_Win32Base
Base class for Windows video drivers.
Definition: win32_v.h:18
WChar
char32_t WChar
Type for wide characters, i.e.
Definition: string_type.h:35
usererror
void CDECL usererror(const char *s,...)
Error handling for fatal user errors.
Definition: openttd.cpp:103
GB
static uint GB(const T x, const uint8 s, const uint8 n)
Fetch n bits from x, started at bit s.
Definition: bitmath_func.hpp:32
PFE_VIDEO
@ PFE_VIDEO
Speed of painting drawn video buffer.
Definition: framerate_type.h:59
Dimension
Dimensions (a width and height) of a rectangle in 2D.
Definition: geometry_type.hpp:27
HandleTextInput
void HandleTextInput(const char *str, bool marked=false, const char *caret=nullptr, const char *insert_location=nullptr, const char *replacement_end=nullptr)
Handle text input.
Definition: window.cpp:2696
VideoDriver_Win32GDI::Paint
void Paint() override
Paint the window.
Definition: win32_v.cpp:1118
_left_button_down
bool _left_button_down
Is left mouse button pressed?
Definition: gfx.cpp:39
VideoDriver_Win32Base::EditBoxLostFocus
void EditBoxLostFocus() override
An edit box lost the input focus.
Definition: win32_v.cpp:904
Blitter::UsePaletteAnimation
virtual Blitter::PaletteAnimation UsePaletteAnimation()=0
Check if the blitter uses palette animation at all.
SetCompositionPos
static void SetCompositionPos(HWND hwnd)
Set position of the composition window to the caret position.
Definition: win32_v.cpp:263
HandleKeypress
void HandleKeypress(uint keycode, WChar key)
Handle keyboard input.
Definition: window.cpp:2610
VideoDriver_Win32Base::width
int width
Width in pixels of our display surface.
Definition: win32_v.h:43
Blitter
How all blitters should look like.
Definition: base.hpp:28
VideoDriver_Win32Base::ReleaseVideoPointer
virtual void ReleaseVideoPointer()
Hand video buffer back to the painting backend.
Definition: win32_v.h:69
Blitter::GetScreenDepth
virtual uint8 GetScreenDepth()=0
Get the screen depth this blitter works for.
VideoDriver_Win32Base::PollEvent
bool PollEvent() override
Process a single system event.
Definition: win32_v.cpp:847
_local_palette
static Palette _local_palette
Current palette to use for drawing.
Definition: win32_v.cpp:45
WKC_SLASH
@ WKC_SLASH
/ Forward slash
Definition: gfx_type.h:95
HasBit
static bool HasBit(const T x, const uint8 y)
Checks if a bit in a value is set.
Definition: bitmath_func.hpp:103
WKC_BACKSLASH
@ WKC_BACKSLASH
\ Backslash
Definition: gfx_type.h:99
VideoDriver_Win32Base::main_wnd
HWND main_wnd
Handle to system window.
Definition: win32_v.h:39
PerformanceMeasurer
RAII class for measuring simple elements of performance.
Definition: framerate_type.h:92
VideoDriver_Win32Base::buffer_locked
bool buffer_locked
Video buffer was locked by the main thread.
Definition: win32_v.h:48
VideoDriver_Win32GDI::AllocateBackingStore
bool AllocateBackingStore(int w, int h, bool force=false) override
(Re-)create the backing store.
Definition: win32_v.cpp:1032
WKC_L_BRACKET
@ WKC_L_BRACKET
[ Left square bracket
Definition: gfx_type.h:98
_ctrl_pressed
bool _ctrl_pressed
Is Ctrl pressed?
Definition: gfx.cpp:36
HandleIMEComposition
static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
Handle WM_IME_COMPOSITION messages.
Definition: win32_v.cpp:319
VideoDriver_Win32Base::GetScreenSize
Dimension GetScreenSize() const override
Get the resolution of the main screen.
Definition: win32_v.cpp:935
VideoDriver_Win32Base::height_org
int height_org
Original monitor resolution height, before we changed it.
Definition: win32_v.h:46
VideoDriver_Win32Base::height
int height
Height in pixels of our display surface.
Definition: win32_v.h:44
VideoDriver::StartGameThread
void StartGameThread()
Start the loop for game-tick.
Definition: video_driver.cpp:84
Window::GetCaretPosition
virtual Point GetCaretPosition() const
Get the current caret position if an edit box has the focus.
Definition: window.cpp:401
EditBoxInGlobalFocus
bool EditBoxInGlobalFocus()
Check if an edit box is in global focus.
Definition: window.cpp:468
VideoDriver_Win32GDI::buffer_bits
void * buffer_bits
Internal rendering buffer.
Definition: win32_v.h:92
AS
#define AS(ap_name, size_x, size_y, min_year, max_year, catchment, noise, maint_cost, ttdpatch_type, class_id, name, preview)
AirportSpec definition for airports with at least one depot.
Definition: airport_defaults.h:391
Window::nested_focus
const NWidgetCore * nested_focus
Currently focused nested widget, or nullptr if no nested widget has focus.
Definition: window_gui.h:322
OpenGLBackend::Get
static OpenGLBackend * Get()
Get singleton instance of this class.
Definition: opengl.h:86
VideoDriver_Win32GDI::dib_sect
HBITMAP dib_sect
System bitmap object referencing our rendering buffer.
Definition: win32_v.h:90
VideoDriver_Win32Base::Stop
void Stop() override
Stop this driver.
Definition: win32_v.cpp:799
Utf16DecodeSurrogate
static WChar Utf16DecodeSurrogate(uint lead, uint trail)
Convert an UTF-16 surrogate pair to the corresponding Unicode character.
Definition: string_func.h:200
UpdateWindows
void UpdateWindows()
Update the continuously changing contents of the windows, such as the viewports.
Definition: window.cpp:3058
VideoDriver_Win32Base::PaletteChanged
virtual void PaletteChanged(HWND hWnd)=0
Palette of the window has changed.
convert_from_fs
char * convert_from_fs(const wchar_t *name, char *utf8_buf, size_t buflen)
Convert to OpenTTD's encoding from that of the environment in UNICODE.
Definition: win32.cpp:580
VideoDriver_Win32Base::GetListOfMonitorRefreshRates
std::vector< int > GetListOfMonitorRefreshRates() override
Get a list of refresh rates of each available monitor.
Definition: win32_v.cpp:928
win32_v.h
OpenGLBackend::DrawMouseCursor
void DrawMouseCursor()
Draw mouse cursor on screen.
Definition: opengl.cpp:1068
WKC_EQUALS
@ WKC_EQUALS
= Equals
Definition: gfx_type.h:97
VideoDriver_Win32GDI::PaletteChanged
void PaletteChanged(HWND hWnd) override
Palette of the window has changed.
Definition: win32_v.cpp:1107
Align
static T Align(const T x, uint n)
Return the smallest multiple of n equal or greater than x.
Definition: math_func.hpp:35
HandleMouseEvents
void HandleMouseEvents()
Handle a mouse event from the video driver.
Definition: window.cpp:2916
FS2OTTD
std::string FS2OTTD(const std::wstring &name)
Convert to OpenTTD's encoding from a wide string.
Definition: win32.cpp:542
Window::height
int height
Height of the window (number of pixels down in y direction)
Definition: window_gui.h:315
CursorVars::UpdateCursorPosition
bool UpdateCursorPosition(int x, int y, bool queued_warp)
Update cursor position on mouse movement.
Definition: gfx.cpp:1960
Palette::palette
Colour palette[256]
Current palette. Entry 0 has to be always fully transparent!
Definition: gfx_type.h:314
Blitter::PostResize
virtual void PostResize()
Post resize event.
Definition: base.hpp:209
OpenGLBackend::ReleaseVideoBuffer
void ReleaseVideoBuffer(const Rect &update_rect)
Update video buffer texture after the video buffer was filled.
Definition: opengl.cpp:1196
VideoDriver_Win32Base::CheckPaletteAnim
void CheckPaletteAnim() override
Process any pending palette animation.
Definition: win32_v.cpp:812
FVideoDriver_Win32GDI
The factory for Windows' video driver.
Definition: win32_v.h:109
BlitterFactory::GetCurrentBlitter
static Blitter * GetCurrentBlitter()
Get the current active blitter (always set by calling SelectBlitter).
Definition: factory.hpp:141
OpenGLBackend::GetVideoBuffer
void * GetVideoBuffer()
Get a pointer to the memory for the video driver to draw to.
Definition: opengl.cpp:1151
VideoDriver_Win32Base::has_focus
bool has_focus
Does our window have system focus?
Definition: win32_v.h:41
Utf16IsLeadSurrogate
static bool Utf16IsLeadSurrogate(uint c)
Is the given character a lead surrogate code point?
Definition: string_func.h:179
StringList
std::vector< std::string > StringList
Type for a list of strings.
Definition: string_type.h:58
Window::left
int left
x position of left edge of the window
Definition: window_gui.h:312
_resolutions
std::vector< Dimension > _resolutions
List of resolutions.
Definition: driver.cpp:24
CursorVars::fix_at
bool fix_at
mouse is moving, but cursor is not (used for scrolling)
Definition: gfx_type.h:120
VideoDriver_Win32Base::MakeWindow
bool MakeWindow(bool full_screen, bool resize=true)
Instantiate a new window.
Definition: win32_v.cpp:134
settings
fluid_settings_t * settings
FluidSynth settings handle.
Definition: fluidsynth.cpp:21
_shift_pressed
bool _shift_pressed
Is Shift pressed?
Definition: gfx.cpp:37
OpenGLBackend::Create
static const char * Create(GetOGLProcAddressProc get_proc, const Dimension &screen_res)
Create and initialize the singleton back-end class.
Definition: opengl.cpp:471
CursorVars::wheel
int wheel
mouse wheel movement
Definition: gfx_type.h:119
VideoDriver_Win32Base::GetFullscreenBpp
virtual uint8 GetFullscreenBpp()
Get screen depth to use for fullscreen mode.
Definition: win32_v.cpp:122
Point
Coordinates of a point in 2D.
Definition: geometry_type.hpp:21
OpenGLBackend::Destroy
static void Destroy()
Free resources and destroy singleton back-end class.
Definition: opengl.cpp:484
BoundingRect
Rect BoundingRect(const Rect &r1, const Rect &r2)
Compute the bounding rectangle around two rectangles.
Definition: geometry_func.cpp:36
GetKeyboardLayout
void GetKeyboardLayout()
Retrieve keyboard layout from language string or (if set) config file.
Definition: osk_gui.cpp:353
Palette::count_dirty
int count_dirty
The number of dirty elements.
Definition: gfx_type.h:316
VideoDriver::GetInstance
static VideoDriver * GetInstance()
Get the currently active instance of the video driver.
Definition: video_driver.hpp:199
NWidgetBase::current_y
uint current_y
Current vertical size (after resizing).
Definition: widget_type.h:187
VideoDriver_Win32GDI::Stop
void Stop() override
Stop this driver.
Definition: win32_v.cpp:1024
VideoDriver_Win32Base::ToggleFullscreen
bool ToggleFullscreen(bool fullscreen) override
Change the full screen setting.
Definition: win32_v.cpp:896
VideoDriver_Win32Base::UnlockVideoBuffer
void UnlockVideoBuffer() override
Unlock a previously locked video buffer.
Definition: win32_v.cpp:992
OpenGLBackend::ClearCursorCache
void ClearCursorCache()
Queue a request for cursor cache clear.
Definition: opengl.cpp:1138
VideoDriver::StopGameThread
void StopGameThread()
Stop the loop for the game-tick.
Definition: video_driver.cpp:93
VideoDriver_Win32Base::width_org
int width_org
Original monitor resolution width, before we changed it.
Definition: win32_v.h:45
WKC_R_BRACKET
@ WKC_R_BRACKET
] Right square bracket
Definition: gfx_type.h:100
S8BPP_HARDWARE
@ S8BPP_HARDWARE
Full 8bpp support by OS and hardware.
Definition: gfx_type.h:323
WKC_PERIOD
@ WKC_PERIOD
. Period
Definition: gfx_type.h:103
WC_GAME_OPTIONS
@ WC_GAME_OPTIONS
Game options window; Window numbers:
Definition: window_type.h:604
IsEmptyRect
static bool IsEmptyRect(const Rect &r)
Check if a rectangle is empty.
Definition: geometry_func.hpp:22
SetCandidatePos
static void SetCandidatePos(HWND hwnd)
Set the position of the candidate window.
Definition: win32_v.cpp:285
FindStringInExtensionList
const char * FindStringInExtensionList(const char *string, const char *substring)
Find a substring in a string made of space delimited elements.
Definition: opengl.cpp:148
NWidgetBase::pos_x
int pos_x
Horizontal position of top-left corner of the widget in the window.
Definition: widget_type.h:189
VideoDriver::UpdateAutoResolution
void UpdateAutoResolution()
Apply resolution auto-detection and clamp to sensible defaults.
Definition: video_driver.hpp:239
VideoDriver_Win32GDI::Start
const char * Start(const StringList &param) override
Start this driver.
Definition: win32_v.cpp:1007
VideoDriver_Win32Base::fullscreen
bool fullscreen
Whether to use (true) fullscreen mode.
Definition: win32_v.h:40
VideoDriver_Win32Base::GetVideoPointer
virtual void * GetVideoPointer()=0
Get a pointer to the video buffer.
DllLoader
Definition: win32.h:16
WC_CONSOLE
@ WC_CONSOLE
Console; Window numbers:
Definition: window_type.h:629
endof
#define endof(x)
Get the end element of an fixed size array.
Definition: stdafx.h:386
VideoDriver_Win32Base::MakeDirty
void MakeDirty(int left, int top, int width, int height) override
Mark a particular area dirty.
Definition: win32_v.cpp:806
InvalidateWindowClassesData
void InvalidateWindowClassesData(WindowClass cls, int data, bool gui_scope)
Mark window data of all windows of a given class as invalid (in need of re-computing) Note that by de...
Definition: window.cpp:3251
GetOGLProcAddressCallback
static OGLProc GetOGLProcAddressCallback(const char *proc)
Platform-specific callback to get an OpenGL funtion pointer.
Definition: sdl2_opengl_v.cpp:46
CopyPalette
bool CopyPalette(Palette &local_palette, bool force_copy)
Copy the current palette if the palette was updated.
Definition: gfx.cpp:1278
Blitter::PALETTE_ANIMATION_VIDEO_BACKEND
@ PALETTE_ANIMATION_VIDEO_BACKEND
Palette animation should be done by video backend (8bpp only!)
Definition: base.hpp:51
DrawIMECompositionString
static bool DrawIMECompositionString()
Should we draw the composition string ourself, i.e is this a normal IME?
Definition: win32_v.cpp:257
Window::window_class
WindowClass window_class
Window class.
Definition: window_gui.h:306
seprintf
int CDECL seprintf(char *str, const char *last, const char *format,...)
Safer implementation of snprintf; same as snprintf except:
Definition: string.cpp:535
WKC_COMMA
@ WKC_COMMA
, Comma
Definition: gfx_type.h:102
Win32VkMapping
Definition: win32_v.cpp:53
Blitter::PALETTE_ANIMATION_NONE
@ PALETTE_ANIMATION_NONE
No palette animation.
Definition: base.hpp:50
VideoDriver_Win32Base::LockVideoBuffer
bool LockVideoBuffer() override
Make sure the video buffer is ready for drawing.
Definition: win32_v.cpp:981
opengl.h
WKC_SEMICOLON
@ WKC_SEMICOLON
; Semicolon
Definition: gfx_type.h:96
HandleCharMsg
static LRESULT HandleCharMsg(uint keycode, WChar charcode)
Forward key presses to the window system.
Definition: win32_v.cpp:230
Window::top
int top
y position of top edge of the window
Definition: window_gui.h:313
OpenGLBackend::Paint
void Paint()
Render video buffer to the screen.
Definition: opengl.cpp:1036
GameSizeChanged
void GameSizeChanged()
Size of the application screen changed.
Definition: main_gui.cpp:573
_video_vsync
bool _video_vsync
Whether we should use vsync (only if _video_hw_accel is enabled).
Definition: video_driver.cpp:24
VideoDriver_Win32GDI
The GDI video driver for windows.
Definition: win32_v.h:77
Debug
#define Debug(name, level, format_string,...)
Ouptut a line of debugging information.
Definition: debug.h:37
lengthof
#define lengthof(x)
Return the length of an fixed size array.
Definition: stdafx.h:378
Window::width
int width
width of the window (number of pixels to the right in x direction)
Definition: window_gui.h:314
OpenGLBackend::UpdatePalette
void UpdatePalette(const Colour *pal, uint first, uint length)
Update the stored palette.
Definition: opengl.cpp:1022
Blitter::PaletteAnimate
virtual void PaletteAnimate(const Palette &palette)=0
Called when the 8bpp palette is changed; you should redraw all pixels on the screen that are equal to...
HandleCtrlChanged
void HandleCtrlChanged()
State of CONTROL key has changed.
Definition: window.cpp:2666
MarkWholeScreenDirty
void MarkWholeScreenDirty()
This function mark the whole screen as dirty.
Definition: gfx.cpp:1751
VideoDriver_Win32Base::dirty_rect
Rect dirty_rect
Region of the screen that needs redrawing.
Definition: win32_v.h:42
VideoDriver::SleepTillNextTick
void SleepTillNextTick()
Sleep till the next tick is about to happen.
Definition: video_driver.cpp:162
VideoDriver_Win32Base::ChangeResolution
bool ChangeResolution(int w, int h) override
Change the resolution of the window.
Definition: win32_v.cpp:886
Blitter::PALETTE_ANIMATION_BLITTER
@ PALETTE_ANIMATION_BLITTER
The blitter takes care of the palette animation.
Definition: base.hpp:52
NWidgetBase::pos_y
int pos_y
Vertical position of top-left corner of the widget in the window.
Definition: widget_type.h:190
VideoDriver_Win32GDI::AfterBlitterChange
bool AfterBlitterChange() override
Callback invoked after the blitter was changed.
Definition: win32_v.cpp:1067
VideoDriver::fast_forward_key_pressed
bool fast_forward_key_pressed
The fast-forward key is being pressed.
Definition: video_driver.hpp:345
WKC_MINUS
@ WKC_MINUS
Definition: gfx_type.h:104
Rect
Specification of a rectangle with absolute coordinates of all edges.
Definition: geometry_type.hpp:47
CursorVars::pos
Point pos
logical mouse position
Definition: gfx_type.h:117
VideoDriver_Win32Base::GetDPIScale
float GetDPIScale() override
Get DPI scaling factor of the screen OTTD is displayed on.
Definition: win32_v.cpp:940
_right_button_clicked
bool _right_button_clicked
Is right mouse button clicked?
Definition: gfx.cpp:42
Palette
Information about the currently used palette.
Definition: gfx_type.h:313
CursorVars::in_window
bool in_window
mouse inside this window, determines drawing logic
Definition: gfx_type.h:141
NWidgetBase::current_x
uint current_x
Current horizontal size (after resizing).
Definition: widget_type.h:186
lastof
#define lastof(x)
Get the last element of an fixed size array.
Definition: stdafx.h:394
OpenGLBackend::ReleaseAnimBuffer
void ReleaseAnimBuffer(const Rect &update_rect)
Update animation buffer texture after the animation buffer was filled.
Definition: opengl.cpp:1238
GetDriverParamBool
bool GetDriverParamBool(const StringList &parm, const char *name)
Get a boolean parameter the list of parameters.
Definition: driver.cpp:61
_left_button_clicked
bool _left_button_clicked
Is left mouse button clicked?
Definition: gfx.cpp:40
_cur_resolution
Dimension _cur_resolution
The current resolution.
Definition: driver.cpp:25
Utf16IsTrailSurrogate
static bool Utf16IsTrailSurrogate(uint c)
Is the given character a lead surrogate code point?
Definition: string_func.h:189
VideoDriver_Win32GDI::GetVideoPointer
void * GetVideoPointer() override
Get a pointer to the video buffer.
Definition: win32_v.h:95
VideoDriver_Win32Base::InputLoop
void InputLoop() override
Handle input logic, is CTRL pressed, should we fast-forward, etc.
Definition: win32_v.cpp:818
OTTD2FS
std::wstring OTTD2FS(const std::string &name)
Convert from OpenTTD's encoding to a wide string.
Definition: win32.cpp:560
OpenGLBackend::Resize
bool Resize(int w, int h, bool force=false)
Change the size of the drawing window and allocate matching resources.
Definition: opengl.cpp:907
_right_button_down
bool _right_button_down
Is right mouse button pressed?
Definition: gfx.cpp:41
OpenGLBackend::GetAnimBuffer
uint8 * GetAnimBuffer()
Get a pointer to the memory for the separate animation buffer.
Definition: opengl.cpp:1173
CancelIMEComposition
static void CancelIMEComposition(HWND hwnd)
Clear the current composition string.
Definition: win32_v.cpp:379
VideoDriver_Win32GDI::gdi_palette
HPALETTE gdi_palette
Palette object for 8bpp blitter.
Definition: win32_v.h:91