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

OpenTTD Source 13.1

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 #ifndef WM_DPICHANGED
42 #define WM_DPICHANGED 0x02E0
43 #endif
44
45 bool _window_maximize;
46 static Dimension _bck_resolution;
47 DWORD _imm_props;
48
49 static Palette _local_palette;
50
51 bool VideoDriver_Win32Base::ClaimMousePointer()
52 {
53 MyShowCursor(false, true);
54 return true;
55 }
56
57 struct Win32VkMapping {
58 byte vk_from;
59 byte vk_count;
60 byte map_to;
61 };
62
63 #define AS(x, z) {x, 0, z}
64 #define AM(x, y, z, w) {x, y - x, z}
65
66 static const Win32VkMapping _vk_mapping[] = {
67 /* Pageup stuff + up/down */
68 AM(VK_PRIOR, VK_DOWN, WKC_PAGEUP, WKC_DOWN),
69 /* Map letters & digits */
70 AM('A', 'Z', 'A', 'Z'),
71 AM('0', '9', '0', '9'),
72
73 AS(VK_ESCAPE, WKC_ESC),
74 AS(VK_PAUSE, WKC_PAUSE),
75 AS(VK_BACK, WKC_BACKSPACE),
76 AM(VK_INSERT, VK_DELETE, WKC_INSERT, WKC_DELETE),
77
78 AS(VK_SPACE, WKC_SPACE),
79 AS(VK_RETURN, WKC_RETURN),
80 AS(VK_TAB, WKC_TAB),
81
82 /* Function keys */
83 AM(VK_F1, VK_F12, WKC_F1, WKC_F12),
84
85 /* Numeric part */
86 AM(VK_NUMPAD0, VK_NUMPAD9, '0', '9'),
87 AS(VK_DIVIDE, WKC_NUM_DIV),
88 AS(VK_MULTIPLY, WKC_NUM_MUL),
89 AS(VK_SUBTRACT, WKC_NUM_MINUS),
90 AS(VK_ADD, WKC_NUM_PLUS),
91 AS(VK_DECIMAL, WKC_NUM_DECIMAL),
92
93 /* Other non-letter keys */
94 AS(0xBF, WKC_SLASH),
95 AS(0xBA, WKC_SEMICOLON),
96 AS(0xBB, WKC_EQUALS),
97 AS(0xDB, WKC_L_BRACKET),
98 AS(0xDC, WKC_BACKSLASH),
99 AS(0xDD, WKC_R_BRACKET),
100
101 AS(0xDE, WKC_SINGLEQUOTE),
102 AS(0xBC, WKC_COMMA),
103 AS(0xBD, WKC_MINUS),
104 AS(0xBE, WKC_PERIOD)
105 };
106
107 static uint MapWindowsKey(uint sym)
108 {
109 const Win32VkMapping *map;
110 uint key = 0;
111
112 for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
113 if ((uint)(sym - map->vk_from) <= map->vk_count) {
114 key = sym - map->vk_from + map->map_to;
115 break;
116 }
117 }
118
119 if (GetAsyncKeyState(VK_SHIFT) < 0) key |= WKC_SHIFT;
120 if (GetAsyncKeyState(VK_CONTROL) < 0) key |= WKC_CTRL;
121 if (GetAsyncKeyState(VK_MENU) < 0) key |= WKC_ALT;
122 return key;
123 }
124
126 uint8 VideoDriver_Win32Base::GetFullscreenBpp()
127 {
128 /* Check modes for the relevant fullscreen bpp */
129 return _support8bpp != S8BPP_HARDWARE ? 32 : BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
130 }
131
138 bool VideoDriver_Win32Base::MakeWindow(bool full_screen, bool resize)
139 {
140 /* full_screen is whether the new window should be fullscreen,
141 * _wnd.fullscreen is whether the current window is. */
142 _fullscreen = full_screen;
143
144 /* recreate window? */
145 if ((full_screen != this->fullscreen) && this->main_wnd) {
146 DestroyWindow(this->main_wnd);
147 this->main_wnd = 0;
148 }
149
150 if (full_screen) {
151 DEVMODE settings;
152
153 memset(&settings, 0, sizeof(settings));
154 settings.dmSize = sizeof(settings);
155 settings.dmFields =
156 DM_BITSPERPEL |
157 DM_PELSWIDTH |
158 DM_PELSHEIGHT;
159 settings.dmBitsPerPel = this->GetFullscreenBpp();
160 settings.dmPelsWidth = this->width_org;
161 settings.dmPelsHeight = this->height_org;
162
163 /* Check for 8 bpp support. */
164 if (settings.dmBitsPerPel == 8 && ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
165 settings.dmBitsPerPel = 32;
166 }
167
168 /* Test fullscreen with current resolution, if it fails use desktop resolution. */
169 if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) {
170 RECT r;
171 GetWindowRect(GetDesktopWindow(), &r);
172 /* Guard against recursion. If we already failed here once, just fall through to
173 * the next ChangeDisplaySettings call which will fail and error out appropriately. */
174 if ((int)settings.dmPelsWidth != r.right - r.left || (int)settings.dmPelsHeight != r.bottom - r.top) {
175 return this->ChangeResolution(r.right - r.left, r.bottom - r.top);
176 }
177 }
178
179 if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {
180 this->MakeWindow(false, resize); // don't care about the result
181 return false; // the request failed
182 }
183 } else if (this->fullscreen) {
184 /* restore display? */
185 ChangeDisplaySettings(nullptr, 0);
186 /* restore the resolution */
187 this->width = _bck_resolution.width;
188 this->height = _bck_resolution.height;
189 }
190
191 {
192 RECT r;
193 DWORD style, showstyle;
194 int w, h;
195
196 showstyle = SW_SHOWNORMAL;
197 this->fullscreen = full_screen;
198 if (this->fullscreen) {
199 style = WS_POPUP;
200 SetRect(&r, 0, 0, this->width_org, this->height_org);
201 } else {
202 style = WS_OVERLAPPEDWINDOW;
203 /* On window creation, check if we were in maximize mode before */
204 if (_window_maximize) showstyle = SW_SHOWMAXIMIZED;
205 SetRect(&r, 0, 0, this->width, this->height);
206 }
207
208 AdjustWindowRect(&r, style, FALSE);
209 w = r.right - r.left;
210 h = r.bottom - r.top;
211
212 if (this->main_wnd != nullptr) {
213 if (!_window_maximize && resize) SetWindowPos(this->main_wnd, 0, 0, 0, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER | SWP_NOMOVE);
214 } else {
215 int x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
216 int y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
217
218 char window_title[64];
219 seprintf(window_title, lastof(window_title), "OpenTTD %s", _openttd_revision);
220
221 this->main_wnd = CreateWindow(L"OTTD", OTTD2FS(window_title).c_str(), style, x, y, w, h, 0, 0, GetModuleHandle(nullptr), this);
222 if (this->main_wnd == nullptr) usererror("CreateWindow failed");
223 ShowWindow(this->main_wnd, showstyle);
224 }
225 }
226
227 BlitterFactory::GetCurrentBlitter()->PostResize();
228
229 GameSizeChanged();
230 return true;
231 }
232
234 static LRESULT HandleCharMsg(uint keycode, WChar charcode)
235 {
236 static WChar prev_char = 0;
237
238 /* Did we get a lead surrogate? If yes, store and exit. */
239 if (Utf16IsLeadSurrogate(charcode)) {
240 if (prev_char != 0) Debug(driver, 1, "Got two UTF-16 lead surrogates, dropping the first one");
241 prev_char = charcode;
242 return 0;
243 }
244
245 /* Stored lead surrogate and incoming trail surrogate? Combine and forward to input handling. */
246 if (prev_char != 0) {
247 if (Utf16IsTrailSurrogate(charcode)) {
248 charcode = Utf16DecodeSurrogate(prev_char, charcode);
249 } else {
250 Debug(driver, 1, "Got an UTF-16 lead surrogate without a trail surrogate, dropping the lead surrogate");
251 }
252 }
253 prev_char = 0;
254
255 HandleKeypress(keycode, charcode);
256
257 return 0;
258 }
259
261 static bool DrawIMECompositionString()
262 {
263 return (_imm_props & IME_PROP_AT_CARET) && !(_imm_props & IME_PROP_SPECIAL_UI);
264 }
265
267 static void SetCompositionPos(HWND hwnd)
268 {
269 HIMC hIMC = ImmGetContext(hwnd);
270 if (hIMC != NULL) {
271 COMPOSITIONFORM cf;
272 cf.dwStyle = CFS_POINT;
273
274 if (EditBoxInGlobalFocus()) {
275 /* Get caret position. */
276 Point pt = _focused_window->GetCaretPosition();
277 cf.ptCurrentPos.x = _focused_window->left + pt.x;
278 cf.ptCurrentPos.y = _focused_window->top + pt.y;
279 } else {
280 cf.ptCurrentPos.x = 0;
281 cf.ptCurrentPos.y = 0;
282 }
283 ImmSetCompositionWindow(hIMC, &cf);
284 }
285 ImmReleaseContext(hwnd, hIMC);
286 }
287
289 static void SetCandidatePos(HWND hwnd)
290 {
291 HIMC hIMC = ImmGetContext(hwnd);
292 if (hIMC != NULL) {
293 CANDIDATEFORM cf;
294 cf.dwIndex = 0;
295 cf.dwStyle = CFS_EXCLUDE;
296
297 if (EditBoxInGlobalFocus()) {
298 Point pt = _focused_window->GetCaretPosition();
299 cf.ptCurrentPos.x = _focused_window->left + pt.x;
300 cf.ptCurrentPos.y = _focused_window->top + pt.y;
301 if (_focused_window->window_class == WC_CONSOLE) {
302 cf.rcArea.left = _focused_window->left;
303 cf.rcArea.top = _focused_window->top;
304 cf.rcArea.right = _focused_window->left + _focused_window->width;
305 cf.rcArea.bottom = _focused_window->top + _focused_window->height;
306 } else {
307 cf.rcArea.left = _focused_window->left + _focused_window->nested_focus->pos_x;
308 cf.rcArea.top = _focused_window->top + _focused_window->nested_focus->pos_y;
309 cf.rcArea.right = cf.rcArea.left + _focused_window->nested_focus->current_x;
310 cf.rcArea.bottom = cf.rcArea.top + _focused_window->nested_focus->current_y;
311 }
312 } else {
313 cf.ptCurrentPos.x = 0;
314 cf.ptCurrentPos.y = 0;
315 SetRectEmpty(&cf.rcArea);
316 }
317 ImmSetCandidateWindow(hIMC, &cf);
318 }
319 ImmReleaseContext(hwnd, hIMC);
320 }
321
323 static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
324 {
325 HIMC hIMC = ImmGetContext(hwnd);
326
327 if (hIMC != NULL) {
328 if (lParam & GCS_RESULTSTR) {
329 /* Read result string from the IME. */
330 LONG len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
331 wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
332 len = ImmGetCompositionString(hIMC, GCS_RESULTSTR, str, len);
333 str[len / sizeof(wchar_t)] = '\0';
334
335 /* Transmit text to windowing system. */
336 if (len > 0) {
337 HandleTextInput(nullptr, true); // Clear marked string.
338 HandleTextInput(FS2OTTD(str).c_str());
339 }
340 SetCompositionPos(hwnd);
341
342 /* Don't pass the result string on to the default window proc. */
343 lParam &= ~(GCS_RESULTSTR | GCS_RESULTCLAUSE | GCS_RESULTREADCLAUSE | GCS_RESULTREADSTR);
344 }
345
346 if ((lParam & GCS_COMPSTR) && DrawIMECompositionString()) {
347 /* Read composition string from the IME. */
348 LONG len = ImmGetCompositionString(hIMC, GCS_COMPSTR, nullptr, 0); // Length is always in bytes, even in UNICODE build.
349 wchar_t *str = (wchar_t *)_alloca(len + sizeof(wchar_t));
350 len = ImmGetCompositionString(hIMC, GCS_COMPSTR, str, len);
351 str[len / sizeof(wchar_t)] = '\0';
352
353 if (len > 0) {
354 static char utf8_buf[1024];
355 convert_from_fs(str, utf8_buf, lengthof(utf8_buf));
356
357 /* Convert caret position from bytes in the input string to a position in the UTF-8 encoded string. */
358 LONG caret_bytes = ImmGetCompositionString(hIMC, GCS_CURSORPOS, nullptr, 0);
359 const char *caret = utf8_buf;
360 for (const wchar_t *c = str; *c != '\0' && *caret != '\0' && caret_bytes > 0; c++, caret_bytes--) {
361 /* Skip DBCS lead bytes or leading surrogates. */
362 if (Utf16IsLeadSurrogate(*c)) {
363 c++;
364 caret_bytes--;
365 }
366 Utf8Consume(&caret);
367 }
368
369 HandleTextInput(utf8_buf, true, caret);
370 } else {
371 HandleTextInput(nullptr, true);
372 }
373
374 lParam &= ~(GCS_COMPSTR | GCS_COMPATTR | GCS_COMPCLAUSE | GCS_CURSORPOS | GCS_DELTASTART);
375 }
376 }
377 ImmReleaseContext(hwnd, hIMC);
378
379 return lParam != 0 ? DefWindowProc(hwnd, WM_IME_COMPOSITION, wParam, lParam) : 0;
380 }
381
383 static void CancelIMEComposition(HWND hwnd)
384 {
385 HIMC hIMC = ImmGetContext(hwnd);
386 if (hIMC != NULL) ImmNotifyIME(hIMC, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
387 ImmReleaseContext(hwnd, hIMC);
388 /* Clear any marked string from the current edit box. */
389 HandleTextInput(nullptr, true);
390 }
391
392 LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
393 {
394 static uint32 keycode = 0;
395 static bool console = false;
396
397 VideoDriver_Win32Base *video_driver = (VideoDriver_Win32Base *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
398
399 switch (msg) {
400 case WM_CREATE:
401 SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)((LPCREATESTRUCT)lParam)->lpCreateParams);
402 _cursor.in_window = false; // Win32 has mouse tracking.
403 SetCompositionPos(hwnd);
404 _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
405 break;
406
407 case WM_PAINT: {
408 RECT r;
409 GetUpdateRect(hwnd, &r, FALSE);
410 video_driver->MakeDirty(r.left, r.top, r.right - r.left, r.bottom - r.top);
411
412 ValidateRect(hwnd, nullptr);
413 return 0;
414 }
415
416 case WM_PALETTECHANGED:
417 if ((HWND)wParam == hwnd) return 0;
418 FALLTHROUGH;
419
420 case WM_QUERYNEWPALETTE:
421 video_driver->PaletteChanged(hwnd);
422 return 0;
423
424 case WM_CLOSE:
425 HandleExitGameRequest();
426 return 0;
427
428 case WM_DESTROY:
429 if (_window_maximize) _cur_resolution = _bck_resolution;
430 return 0;
431
432 case WM_LBUTTONDOWN:
433 SetCapture(hwnd);
434 _left_button_down = true;
435 HandleMouseEvents();
436 return 0;
437
438 case WM_LBUTTONUP:
439 ReleaseCapture();
440 _left_button_down = false;
441 _left_button_clicked = false;
442 HandleMouseEvents();
443 return 0;
444
445 case WM_RBUTTONDOWN:
446 SetCapture(hwnd);
447 _right_button_down = true;
448 _right_button_clicked = true;
449 HandleMouseEvents();
450 return 0;
451
452 case WM_RBUTTONUP:
453 ReleaseCapture();
454 _right_button_down = false;
455 HandleMouseEvents();
456 return 0;
457
458 case WM_MOUSELEAVE:
459 UndrawMouseCursor();
460 _cursor.in_window = false;
461
462 if (!_left_button_down && !_right_button_down) MyShowCursor(true);
463 return 0;
464
465 case WM_MOUSEMOVE: {
466 int x = (int16)LOWORD(lParam);
467 int y = (int16)HIWORD(lParam);
468
469 /* If the mouse was not in the window and it has moved it means it has
470 * come into the window, so start drawing the mouse. Also start
471 * tracking the mouse for exiting the window */
472 if (!_cursor.in_window) {
473 _cursor.in_window = true;
474 TRACKMOUSEEVENT tme;
475 tme.cbSize = sizeof(tme);
476 tme.dwFlags = TME_LEAVE;
477 tme.hwndTrack = hwnd;
478
479 TrackMouseEvent(&tme);
480 }
481
482 if (_cursor.fix_at) {
483 /* Get all queued mouse events now in case we have to warp the cursor. In the
484 * end, we only care about the current mouse position and not bygone events. */
485 MSG m;
486 while (PeekMessage(&m, hwnd, WM_MOUSEMOVE, WM_MOUSEMOVE, PM_REMOVE | PM_NOYIELD | PM_QS_INPUT)) {
487 x = (int16)LOWORD(m.lParam);
488 y = (int16)HIWORD(m.lParam);
489 }
490 }
491
492 if (_cursor.UpdateCursorPosition(x, y, false)) {
493 POINT pt;
494 pt.x = _cursor.pos.x;
495 pt.y = _cursor.pos.y;
496 ClientToScreen(hwnd, &pt);
497 SetCursorPos(pt.x, pt.y);
498 }
499 MyShowCursor(false);
500 HandleMouseEvents();
501 return 0;
502 }
503
504 case WM_INPUTLANGCHANGE:
505 _imm_props = ImmGetProperty(GetKeyboardLayout(0), IGP_PROPERTY);
506 break;
507
508 case WM_IME_SETCONTEXT:
509 /* Don't show the composition window if we draw the string ourself. */
510 if (DrawIMECompositionString()) lParam &= ~ISC_SHOWUICOMPOSITIONWINDOW;
511 break;
512
513 case WM_IME_STARTCOMPOSITION:
514 SetCompositionPos(hwnd);
515 if (DrawIMECompositionString()) return 0;
516 break;
517
518 case WM_IME_COMPOSITION:
519 return HandleIMEComposition(hwnd, wParam, lParam);
520
521 case WM_IME_ENDCOMPOSITION:
522 /* Clear any pending composition string. */
523 HandleTextInput(nullptr, true);
524 if (DrawIMECompositionString()) return 0;
525 break;
526
527 case WM_IME_NOTIFY:
528 if (wParam == IMN_OPENCANDIDATE) SetCandidatePos(hwnd);
529 break;
530
531 case WM_DEADCHAR:
532 console = GB(lParam, 16, 8) == 41;
533 return 0;
534
535 case WM_CHAR: {
536 uint scancode = GB(lParam, 16, 8);
537 uint charcode = wParam;
538
539 /* If the console key is a dead-key, we need to press it twice to get a WM_CHAR message.
540 * But we then get two WM_CHAR messages, so ignore the first one */
541 if (console && scancode == 41) {
542 console = false;
543 return 0;
544 }
545
546 /* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
547 * clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
548 uint cur_keycode = keycode;
549 keycode = 0;
550
551 return HandleCharMsg(cur_keycode, charcode);
552 }
553
554 case WM_KEYDOWN: {
555 /* No matter the keyboard layout, we will map the '~' to the console. */
556 uint scancode = GB(lParam, 16, 8);
557 keycode = scancode == 41 ? (uint)WKC_BACKQUOTE : MapWindowsKey(wParam);
558
559 uint charcode = MapVirtualKey(wParam, MAPVK_VK_TO_CHAR);
560
561 /* No character translation? */
562 if (charcode == 0) {
563 HandleKeypress(keycode, 0);
564 return 0;
565 }
566
567 /* If an edit box is in focus, wait for the corresponding WM_CHAR message. */
568 if (!EditBoxInGlobalFocus()) {
569 /* Is the console key a dead key? If yes, ignore the first key down event. */
570 if (HasBit(charcode, 31) && !console) {
571 if (scancode == 41) {
572 console = true;
573 return 0;
574 }
575 }
576 console = false;
577
578 /* IMEs and other input methods sometimes send a WM_CHAR without a WM_KEYDOWN,
579 * clear the keycode so a previous WM_KEYDOWN doesn't become 'stuck'. */
580 uint cur_keycode = keycode;
581 keycode = 0;
582
583 return HandleCharMsg(cur_keycode, LOWORD(charcode));
584 }
585
586 return 0;
587 }
588
589 case WM_SYSKEYDOWN: // user presses F10 or Alt, both activating the title-menu
590 switch (wParam) {
591 case VK_RETURN:
592 case 'F': // Full Screen on ALT + ENTER/F
593 ToggleFullScreen(!video_driver->fullscreen);
594 return 0;
595
596 case VK_MENU: // Just ALT
597 return 0; // do nothing
598
599 case VK_F10: // F10, ignore activation of menu
600 HandleKeypress(MapWindowsKey(wParam), 0);
601 return 0;
602
603 default: // ALT in combination with something else
604 HandleKeypress(MapWindowsKey(wParam), 0);
605 break;
606 }
607 break;
608
609 case WM_SIZE:
610 if (wParam != SIZE_MINIMIZED) {
611 /* Set maximized flag when we maximize (obviously), but also when we
612 * switched to fullscreen from a maximized state */
613 _window_maximize = (wParam == SIZE_MAXIMIZED || (_window_maximize && _fullscreen));
614 if (_window_maximize || _fullscreen) _bck_resolution = _cur_resolution;
615 video_driver->ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
616 }
617 return 0;
618
619 case WM_SIZING: {
620 RECT *r = (RECT*)lParam;
621 RECT r2;
622 int w, h;
623
624 SetRect(&r2, 0, 0, 0, 0);
625 AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
626
627 w = r->right - r->left - (r2.right - r2.left);
628 h = r->bottom - r->top - (r2.bottom - r2.top);
629 w = std::max(w, 64);
630 h = std::max(h, 64);
631 SetRect(&r2, 0, 0, w, h);
632
633 AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
634 w = r2.right - r2.left;
635 h = r2.bottom - r2.top;
636
637 switch (wParam) {
638 case WMSZ_BOTTOM:
639 r->bottom = r->top + h;
640 break;
641
642 case WMSZ_BOTTOMLEFT:
643 r->bottom = r->top + h;
644 r->left = r->right - w;
645 break;
646
647 case WMSZ_BOTTOMRIGHT:
648 r->bottom = r->top + h;
649 r->right = r->left + w;
650 break;
651
652 case WMSZ_LEFT:
653 r->left = r->right - w;
654 break;
655
656 case WMSZ_RIGHT:
657 r->right = r->left + w;
658 break;
659
660 case WMSZ_TOP:
661 r->top = r->bottom - h;
662 break;
663
664 case WMSZ_TOPLEFT:
665 r->top = r->bottom - h;
666 r->left = r->right - w;
667 break;
668
669 case WMSZ_TOPRIGHT:
670 r->top = r->bottom - h;
671 r->right = r->left + w;
672 break;
673 }
674 return TRUE;
675 }
676
677 case WM_DPICHANGED: {
678 auto did_adjust = AdjustGUIZoom(true);
679
680 /* Resize the window to match the new DPI setting. */
681 RECT *prcNewWindow = (RECT *)lParam;
682 SetWindowPos(hwnd,
683 NULL,
684 prcNewWindow->left,
685 prcNewWindow->top,
686 prcNewWindow->right - prcNewWindow->left,
687 prcNewWindow->bottom - prcNewWindow->top,
688 SWP_NOZORDER | SWP_NOACTIVATE);
689
690 if (did_adjust) ReInitAllWindows(true);
691
692 return 0;
693 }
694
695 /* needed for wheel */
696 #if !defined(WM_MOUSEWHEEL)
697 # define WM_MOUSEWHEEL 0x020A
698 #endif /* WM_MOUSEWHEEL */
699 #if !defined(GET_WHEEL_DELTA_WPARAM)
700 # define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))
701 #endif /* GET_WHEEL_DELTA_WPARAM */
702
703 case WM_MOUSEWHEEL: {
704 int delta = GET_WHEEL_DELTA_WPARAM(wParam);
705
706 if (delta < 0) {
707 _cursor.wheel++;
708 } else if (delta > 0) {
709 _cursor.wheel--;
710 }
711 HandleMouseEvents();
712 return 0;
713 }
714
715 case WM_SETFOCUS:
716 video_driver->has_focus = true;
717 SetCompositionPos(hwnd);
718 break;
719
720 case WM_KILLFOCUS:
721 video_driver->has_focus = false;
722 break;
723
724 case WM_ACTIVATE: {
725 /* Don't do anything if we are closing openttd */
726 if (_exit_game) break;
727
728 bool active = (LOWORD(wParam) != WA_INACTIVE);
729 bool minimized = (HIWORD(wParam) != 0);
730 if (video_driver->fullscreen) {
731 if (active && minimized) {
732 /* Restore the game window */
733 Dimension d = _bck_resolution; // Save current non-fullscreen window size as it will be overwritten by ShowWindow.
734 ShowWindow(hwnd, SW_RESTORE);
735 _bck_resolution = d;
736 video_driver->MakeWindow(true);
737 } else if (!active && !minimized) {
738 /* Minimise the window and restore desktop */
739 ShowWindow(hwnd, SW_MINIMIZE);
740 ChangeDisplaySettings(nullptr, 0);
741 }
742 }
743 break;
744 }
745 }
746
747 return DefWindowProc(hwnd, msg, wParam, lParam);
748 }
749
750 static void RegisterWndClass()
751 {
752 static bool registered = false;
753
754 if (registered) return;
755
756 HINSTANCE hinst = GetModuleHandle(nullptr);
757 WNDCLASS wnd = {
758 CS_OWNDC,
759 WndProcGdi,
760 0,
761 0,
762 hinst,
763 LoadIcon(hinst, MAKEINTRESOURCE(100)),
764 LoadCursor(nullptr, IDC_ARROW),
765 0,
766 0,
767 L"OTTD"
768 };
769
770 registered = true;
771 if (!RegisterClass(&wnd)) usererror("RegisterClass failed");
772 }
773
774 static const Dimension default_resolutions[] = {
775 { 640, 480 },
776 { 800, 600 },
777 { 1024, 768 },
778 { 1152, 864 },
779 { 1280, 800 },
780 { 1280, 960 },
781 { 1280, 1024 },
782 { 1400, 1050 },
783 { 1600, 1200 },
784 { 1680, 1050 },
785 { 1920, 1200 }
786 };
787
788 static void FindResolutions(uint8 bpp)
789 {
790 _resolutions.clear();
791
792 DEVMODE dm;
793 for (uint i = 0; EnumDisplaySettings(nullptr, i, &dm) != 0; i++) {
794 if (dm.dmBitsPerPel != bpp || dm.dmPelsWidth < 640 || dm.dmPelsHeight < 480) continue;
795 if (std::find(_resolutions.begin(), _resolutions.end(), Dimension(dm.dmPelsWidth, dm.dmPelsHeight)) != _resolutions.end()) continue;
796 _resolutions.emplace_back(dm.dmPelsWidth, dm.dmPelsHeight);
797 }
798
799 /* We have found no resolutions, show the default list */
800 if (_resolutions.empty()) {
801 _resolutions.assign(std::begin(default_resolutions), std::end(default_resolutions));
802 }
803
804 SortResolutions();
805 }
806
807 void VideoDriver_Win32Base::Initialize()
808 {
809 this->UpdateAutoResolution();
810
811 RegisterWndClass();
812 FindResolutions(this->GetFullscreenBpp());
813
814 /* fullscreen uses those */
815 this->width = this->width_org = _cur_resolution.width;
816 this->height = this->height_org = _cur_resolution.height;
817
818 Debug(driver, 2, "Resolution for display: {}x{}", _cur_resolution.width, _cur_resolution.height);
819 }
820
821 void VideoDriver_Win32Base::Stop()
822 {
823 DestroyWindow(this->main_wnd);
824
825 if (this->fullscreen) ChangeDisplaySettings(nullptr, 0);
826 MyShowCursor(true);
827 }
828 void VideoDriver_Win32Base::MakeDirty(int left, int top, int width, int height)
829 {
830 Rect r = {left, top, left + width, top + height};
831 this->dirty_rect = BoundingRect(this->dirty_rect, r);
832 }
833
834 void VideoDriver_Win32Base::CheckPaletteAnim()
835 {
836 if (!CopyPalette(_local_palette)) return;
837 this->MakeDirty(0, 0, _screen.width, _screen.height);
838 }
839
840 void VideoDriver_Win32Base::InputLoop()
841 {
842 bool old_ctrl_pressed = _ctrl_pressed;
843
844 _ctrl_pressed = this->has_focus && GetAsyncKeyState(VK_CONTROL) < 0;
845 _shift_pressed = this->has_focus && GetAsyncKeyState(VK_SHIFT) < 0;
846
847 #if defined(_DEBUG)
848 this->fast_forward_key_pressed = _shift_pressed;
849 #else
850 /* Speedup when pressing tab, except when using ALT+TAB
851 * to switch to another application. */
852 this->fast_forward_key_pressed = this->has_focus && GetAsyncKeyState(VK_TAB) < 0 && GetAsyncKeyState(VK_MENU) >= 0;
853 #endif
854
855 /* Determine which directional keys are down. */
856 if (this->has_focus) {
857 _dirkeys =
858 (GetAsyncKeyState(VK_LEFT) < 0 ? 1 : 0) +
859 (GetAsyncKeyState(VK_UP) < 0 ? 2 : 0) +
860 (GetAsyncKeyState(VK_RIGHT) < 0 ? 4 : 0) +
861 (GetAsyncKeyState(VK_DOWN) < 0 ? 8 : 0);
862 } else {
863 _dirkeys = 0;
864 }
865
866 if (old_ctrl_pressed != _ctrl_pressed) HandleCtrlChanged();
867 }
868
869 bool VideoDriver_Win32Base::PollEvent()
870 {
871 MSG mesg;
872
873 if (!PeekMessage(&mesg, nullptr, 0, 0, PM_REMOVE)) return false;
874
875 /* Convert key messages to char messages if we want text input. */
876 if (EditBoxInGlobalFocus()) TranslateMessage(&mesg);
877 DispatchMessage(&mesg);
878
879 return true;
880 }
881
882 void VideoDriver_Win32Base::MainLoop()
883 {
884 this->StartGameThread();
885
886 for (;;) {
887 if (_exit_game) break;
888
889 this->Tick();
890 this->SleepTillNextTick();
891 }
892
893 this->StopGameThread();
894 }
895
896 void VideoDriver_Win32Base::ClientSizeChanged(int w, int h, bool force)
897 {
898 /* Allocate backing store of the new size. */
899 if (this->AllocateBackingStore(w, h, force)) {
900 CopyPalette(_local_palette, true);
901
902 BlitterFactory::GetCurrentBlitter()->PostResize();
903
904 GameSizeChanged();
905 }
906 }
907
908 bool VideoDriver_Win32Base::ChangeResolution(int w, int h)
909 {
910 if (_window_maximize) ShowWindow(this->main_wnd, SW_SHOWNORMAL);
911
912 this->width = this->width_org = w;
913 this->height = this->height_org = h;
914
915 return this->MakeWindow(_fullscreen); // _wnd.fullscreen screws up ingame resolution switching
916 }
917
918 bool VideoDriver_Win32Base::ToggleFullscreen(bool full_screen)
919 {
920 bool res = this->MakeWindow(full_screen);
921
922 InvalidateWindowClassesData(WC_GAME_OPTIONS, 3);
923 return res;
924 }
925
926 void VideoDriver_Win32Base::EditBoxLostFocus()
927 {
928 CancelIMEComposition(this->main_wnd);
929 SetCompositionPos(this->main_wnd);
930 SetCandidatePos(this->main_wnd);
931 }
932
933 static BOOL CALLBACK MonitorEnumProc(HMONITOR hMonitor, HDC hDC, LPRECT rc, LPARAM data)
934 {
935 auto &list = *reinterpret_cast<std::vector<int>*>(data);
936
937 MONITORINFOEX monitorInfo = {};
938 monitorInfo.cbSize = sizeof(MONITORINFOEX);
939 GetMonitorInfo(hMonitor, &monitorInfo);
940
941 DEVMODE devMode = {};
942 devMode.dmSize = sizeof(DEVMODE);
943 devMode.dmDriverExtra = 0;
944 EnumDisplaySettings(monitorInfo.szDevice, ENUM_CURRENT_SETTINGS, &devMode);
945
946 if (devMode.dmDisplayFrequency != 0) list.push_back(devMode.dmDisplayFrequency);
947 return true;
948 }
949
950 std::vector<int> VideoDriver_Win32Base::GetListOfMonitorRefreshRates()
951 {
952 std::vector<int> rates = {};
953 EnumDisplayMonitors(nullptr, nullptr, MonitorEnumProc, reinterpret_cast<LPARAM>(&rates));
954 return rates;
955 }
956
957 Dimension VideoDriver_Win32Base::GetScreenSize() const
958 {
959 return { static_cast<uint>(GetSystemMetrics(SM_CXSCREEN)), static_cast<uint>(GetSystemMetrics(SM_CYSCREEN)) };
960 }
961
962 float VideoDriver_Win32Base::GetDPIScale()
963 {
964 typedef UINT (WINAPI *PFNGETDPIFORWINDOW)(HWND hwnd);
965 typedef UINT (WINAPI *PFNGETDPIFORSYSTEM)(VOID);
966 typedef HRESULT (WINAPI *PFNGETDPIFORMONITOR)(HMONITOR hMonitor, int dpiType, UINT *dpiX, UINT *dpiY);
967
968 static PFNGETDPIFORWINDOW _GetDpiForWindow = nullptr;
969 static PFNGETDPIFORSYSTEM _GetDpiForSystem = nullptr;
970 static PFNGETDPIFORMONITOR _GetDpiForMonitor = nullptr;
971
972 static bool init_done = false;
973 if (!init_done) {
974 init_done = true;
975 static DllLoader _user32(L"user32.dll");
976 static DllLoader _shcore(L"shcore.dll");
977 _GetDpiForWindow = _user32.GetProcAddress("GetDpiForWindow");
978 _GetDpiForSystem = _user32.GetProcAddress("GetDpiForSystem");
979 _GetDpiForMonitor = _shcore.GetProcAddress("GetDpiForMonitor");
980 }
981
982 UINT cur_dpi = 0;
983
984 if (cur_dpi == 0 && _GetDpiForWindow != nullptr && this->main_wnd != nullptr) {
985 /* Per window DPI is supported since Windows 10 Ver 1607. */
986 cur_dpi = _GetDpiForWindow(this->main_wnd);
987 }
988 if (cur_dpi == 0 && _GetDpiForMonitor != nullptr && this->main_wnd != nullptr) {
989 /* Per monitor is supported since Windows 8.1. */
990 UINT dpiX, dpiY;
991 if (SUCCEEDED(_GetDpiForMonitor(MonitorFromWindow(this->main_wnd, MONITOR_DEFAULTTOPRIMARY), 0 /* MDT_EFFECTIVE_DPI */, &dpiX, &dpiY))) {
992 cur_dpi = dpiX; // X and Y are always identical.
993 }
994 }
995 if (cur_dpi == 0 && _GetDpiForSystem != nullptr) {
996 /* Fall back to system DPI. */
997 cur_dpi = _GetDpiForSystem();
998 }
999
1000 return cur_dpi > 0 ? cur_dpi / 96.0f : 1.0f; // Default Windows DPI value is 96.
1001 }
1002
1003 bool VideoDriver_Win32Base::LockVideoBuffer()
1004 {
1005 if (this->buffer_locked) return false;
1006 this->buffer_locked = true;
1007
1008 _screen.dst_ptr = this->GetVideoPointer();
1009 assert(_screen.dst_ptr != nullptr);
1010
1011 return true;
1012 }
1013
1014 void VideoDriver_Win32Base::UnlockVideoBuffer()
1015 {
1016 assert(_screen.dst_ptr != nullptr);
1017 if (_screen.dst_ptr != nullptr) {
1018 /* Hand video buffer back to the drawing backend. */
1019 this->ReleaseVideoPointer();
1020 _screen.dst_ptr = nullptr;
1021 }
1022
1023 this->buffer_locked = false;
1024 }
1025
1026
1027 static FVideoDriver_Win32GDI iFVideoDriver_Win32GDI;
1028
1029 const char *VideoDriver_Win32GDI::Start(const StringList &param)
1030 {
1031 if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
1032
1033 this->Initialize();
1034
1035 this->MakePalette();
1036 this->AllocateBackingStore(_cur_resolution.width, _cur_resolution.height);
1037 this->MakeWindow(_fullscreen);
1038
1039 MarkWholeScreenDirty();
1040
1041 this->is_game_threaded = !GetDriverParamBool(param, "no_threads") && !GetDriverParamBool(param, "no_thread");
1042
1043 return nullptr;
1044 }
1045
1046 void VideoDriver_Win32GDI::Stop()
1047 {
1048 DeleteObject(this->gdi_palette);
1049 DeleteObject(this->dib_sect);
1050
1051 this->VideoDriver_Win32Base::Stop();
1052 }
1053
1054 bool VideoDriver_Win32GDI::AllocateBackingStore(int w, int h, bool force)
1055 {
1056 uint bpp = BlitterFactory::GetCurrentBlitter()->GetScreenDepth();
1057
1058 w = std::max(w, 64);
1059 h = std::max(h, 64);
1060
1061 if (!force && w == _screen.width && h == _screen.height) return false;
1062
1063 BITMAPINFO *bi = (BITMAPINFO *)alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
1064 memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
1065 bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1066
1067 bi->bmiHeader.biWidth = this->width = w;
1068 bi->bmiHeader.biHeight = -(this->height = h);
1069
1070 bi->bmiHeader.biPlanes = 1;
1071 bi->bmiHeader.biBitCount = bpp;
1072 bi->bmiHeader.biCompression = BI_RGB;
1073
1074 if (this->dib_sect) DeleteObject(this->dib_sect);
1075
1076 HDC dc = GetDC(0);
1077 this->dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (VOID **)&this->buffer_bits, nullptr, 0);
1078 if (this->dib_sect == nullptr) usererror("CreateDIBSection failed");
1079 ReleaseDC(0, dc);
1080
1081 _screen.width = w;
1082 _screen.pitch = (bpp == 8) ? Align(w, 4) : w;
1083 _screen.height = h;
1084 _screen.dst_ptr = this->GetVideoPointer();
1085
1086 return true;
1087 }
1088
1089 bool VideoDriver_Win32GDI::AfterBlitterChange()
1090 {
1091 assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
1092 return this->AllocateBackingStore(_screen.width, _screen.height, true) && this->MakeWindow(_fullscreen, false);
1093 }
1094
1095 void VideoDriver_Win32GDI::MakePalette()
1096 {
1097 CopyPalette(_local_palette, true);
1098
1099 LOGPALETTE *pal = (LOGPALETTE*)alloca(sizeof(LOGPALETTE) + (256 - 1) * sizeof(PALETTEENTRY));
1100
1101 pal->palVersion = 0x300;
1102 pal->palNumEntries = 256;
1103
1104 for (uint i = 0; i != 256; i++) {
1105 pal->palPalEntry[i].peRed = _local_palette.palette[i].r;
1106 pal->palPalEntry[i].peGreen = _local_palette.palette[i].g;
1107 pal->palPalEntry[i].peBlue = _local_palette.palette[i].b;
1108 pal->palPalEntry[i].peFlags = 0;
1109
1110 }
1111 this->gdi_palette = CreatePalette(pal);
1112 if (this->gdi_palette == nullptr) usererror("CreatePalette failed!\n");
1113 }
1114
1115 void VideoDriver_Win32GDI::UpdatePalette(HDC dc, uint start, uint count)
1116 {
1117 RGBQUAD rgb[256];
1118
1119 for (uint i = 0; i != count; i++) {
1120 rgb[i].rgbRed = _local_palette.palette[start + i].r;
1121 rgb[i].rgbGreen = _local_palette.palette[start + i].g;
1122 rgb[i].rgbBlue = _local_palette.palette[start + i].b;
1123 rgb[i].rgbReserved = 0;
1124 }
1125
1126 SetDIBColorTable(dc, start, count, rgb);
1127 }
1128
1129 void VideoDriver_Win32GDI::PaletteChanged(HWND hWnd)
1130 {
1131 HDC hDC = GetWindowDC(hWnd);
1132 HPALETTE hOldPalette = SelectPalette(hDC, this->gdi_palette, FALSE);
1133 UINT nChanged = RealizePalette(hDC);
1134
1135 SelectPalette(hDC, hOldPalette, TRUE);
1136 ReleaseDC(hWnd, hDC);
1137 if (nChanged != 0) this->MakeDirty(0, 0, _screen.width, _screen.height);
1138 }
1139
1140 void VideoDriver_Win32GDI::Paint()
1141 {
1142 PerformanceMeasurer framerate(PFE_VIDEO);
1143
1144 if (IsEmptyRect(this->dirty_rect)) return;
1145
1146 HDC dc = GetDC(this->main_wnd);
1147 HDC dc2 = CreateCompatibleDC(dc);
1148
1149 HBITMAP old_bmp = (HBITMAP)SelectObject(dc2, this->dib_sect);
1150 HPALETTE old_palette = SelectPalette(dc, this->gdi_palette, FALSE);
1151
1152 if (_local_palette.count_dirty != 0) {
1153 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
1154
1155 switch (blitter->UsePaletteAnimation()) {
1156 case Blitter::PALETTE_ANIMATION_VIDEO_BACKEND:
1157 this->UpdatePalette(dc2, _local_palette.first_dirty, _local_palette.count_dirty);
1158 break;
1159
1160 case Blitter::PALETTE_ANIMATION_BLITTER: {
1161 blitter->PaletteAnimate(_local_palette);
1162 break;
1163 }
1164
1165 case Blitter::PALETTE_ANIMATION_NONE:
1166 break;
1167
1168 default:
1169 NOT_REACHED();
1170 }
1171 _local_palette.count_dirty = 0;
1172 }
1173
1174 BitBlt(dc, 0, 0, this->width, this->height, dc2, 0, 0, SRCCOPY);
1175 SelectPalette(dc, old_palette, TRUE);
1176 SelectObject(dc2, old_bmp);
1177 DeleteDC(dc2);
1178
1179 ReleaseDC(this->main_wnd, dc);
1180
1181 this->dirty_rect = {};
1182 }
1183
1184 #ifdef _DEBUG
1185 /* Keep this function here..
1186 * It allows you to redraw the screen from within the MSVC debugger */
1187 /* static */ int VideoDriver_Win32GDI::RedrawScreenDebug()
1188 {
1189 static int _fooctr;
1190
1191 VideoDriver_Win32GDI *drv = static_cast<VideoDriver_Win32GDI *>(VideoDriver::GetInstance());
1192
1193 _screen.dst_ptr = drv->GetVideoPointer();
1194 UpdateWindows();
1195
1196 drv->Paint();
1197 GdiFlush();
1198
1199 return _fooctr++;
1200 }
1201 #endif
1202
1203 #ifdef WITH_OPENGL
1204
1205 #include <GL/gl.h>
1206 #include "../3rdparty/opengl/glext.h"
1207 #include "../3rdparty/opengl/wglext.h"
1208 #include "opengl.h"
1209
1210 #ifndef PFD_SUPPORT_COMPOSITION
1211 # define PFD_SUPPORT_COMPOSITION 0x00008000
1212 #endif
1213
1214 static PFNWGLCREATECONTEXTATTRIBSARBPROC _wglCreateContextAttribsARB = nullptr;
1215 static PFNWGLSWAPINTERVALEXTPROC _wglSwapIntervalEXT = nullptr;
1216 static bool _hasWGLARBCreateContextProfile = false;
1217
1219 static OGLProc GetOGLProcAddressCallback(const char *proc)
1220 {
1221 OGLProc ret = reinterpret_cast<OGLProc>(wglGetProcAddress(proc));
1222 if (ret == nullptr) {
1223 /* Non-extension GL function? Try normal loading. */
1224 ret = reinterpret_cast<OGLProc>(GetProcAddress(GetModuleHandle(L"opengl32"), proc));
1225 }
1226 return ret;
1227 }
1228
1235 static const char *SelectPixelFormat(HDC dc, bool fullscreen)
1236 {
1237 PIXELFORMATDESCRIPTOR pfd = {
1238 sizeof(PIXELFORMATDESCRIPTOR), // Size of this struct.
1239 1, // Version of this struct.
1240 PFD_DRAW_TO_WINDOW | // Require window support.
1241 PFD_SUPPORT_OPENGL | // Require OpenGL support.
1242 PFD_DOUBLEBUFFER | // Use double buffering.
1243 PFD_DEPTH_DONTCARE,
1244 PFD_TYPE_RGBA, // Request RGBA format.
1245 24, // 24 bpp (excluding alpha).
1246 0, 0, 0, 0, 0, 0, 0, 0, // Colour bits and shift ignored.
1247 0, 0, 0, 0, 0, // No accumulation buffer.
1248 0, 0, // No depth/stencil buffer.
1249 0, // No aux buffers.
1250 PFD_MAIN_PLANE, // Main layer.
1251 0, 0, 0, 0 // Ignored/reserved.
1252 };
1253
1254 if (IsWindowsVistaOrGreater()) pfd.dwFlags |= PFD_SUPPORT_COMPOSITION; // Make OpenTTD compatible with Aero.
1255
1256 /* Choose a suitable pixel format. */
1257 int format = ChoosePixelFormat(dc, &pfd);
1258 if (format == 0) return "No suitable pixel format found";
1259 if (!SetPixelFormat(dc, format, &pfd)) return "Can't set pixel format";
1260
1261 return nullptr;
1262 }
1263
1265 static void LoadWGLExtensions()
1266 {
1267 /* Querying the supported WGL extensions and loading the matching
1268 * functions requires a valid context, even for the extensions
1269 * regarding context creation. To get around this, we create
1270 * a dummy window with a dummy context. The extension functions
1271 * remain valid even after this context is destroyed. */
1272 HWND wnd = CreateWindow(_T("STATIC"), _T("dummy"), WS_OVERLAPPEDWINDOW, 0, 0, 0, 0, nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
1273 HDC dc = GetDC(wnd);
1274
1275 /* Set pixel format of the window. */
1276 if (SelectPixelFormat(dc, false) == nullptr) {
1277 /* Create rendering context. */
1278 HGLRC rc = wglCreateContext(dc);
1279 if (rc != nullptr) {
1280 wglMakeCurrent(dc, rc);
1281
1282 #ifdef __MINGW32__
1283 /* GCC doesn't understand the expected usage of wglGetProcAddress(). */
1284 #pragma GCC diagnostic push
1285 #pragma GCC diagnostic ignored "-Wcast-function-type"
1286 #endif /* __MINGW32__ */
1287
1288 /* Get list of WGL extensions. */
1289 PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
1290 if (wglGetExtensionsStringARB != nullptr) {
1291 const char *wgl_exts = wglGetExtensionsStringARB(dc);
1292 /* Bind supported functions. */
1293 if (FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context") != nullptr) {
1294 _wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
1295 }
1296 _hasWGLARBCreateContextProfile = FindStringInExtensionList(wgl_exts, "WGL_ARB_create_context_profile") != nullptr;
1297 if (FindStringInExtensionList(wgl_exts, "WGL_EXT_swap_control") != nullptr) {
1298 _wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
1299 }
1300 }
1301
1302 #ifdef __MINGW32__
1303 #pragma GCC diagnostic pop
1304 #endif
1305 wglMakeCurrent(nullptr, nullptr);
1306 wglDeleteContext(rc);
1307 }
1308 }
1309
1310 ReleaseDC(wnd, dc);
1311 DestroyWindow(wnd);
1312 }
1313
1314 static FVideoDriver_Win32OpenGL iFVideoDriver_Win32OpenGL;
1315
1316 const char *VideoDriver_Win32OpenGL::Start(const StringList &param)
1317 {
1318 if (BlitterFactory::GetCurrentBlitter()->GetScreenDepth() == 0) return "Only real blitters supported";
1319
1320 Dimension old_res = _cur_resolution; // Save current screen resolution in case of errors, as MakeWindow invalidates it.
1321
1322 LoadWGLExtensions();
1323
1324 this->Initialize();
1325 this->MakeWindow(_fullscreen);
1326
1327 /* Create and initialize OpenGL context. */
1328 const char *err = this->AllocateContext();
1329 if (err != nullptr) {
1330 this->Stop();
1331 _cur_resolution = old_res;
1332 return err;
1333 }
1334
1335 this->driver_info = GetName();
1336 this->driver_info += " (";
1337 this->driver_info += OpenGLBackend::Get()->GetDriverName();
1338 this->driver_info += ")";
1339
1340 this->ClientSizeChanged(this->width, this->height, true);
1341 /* We should have a valid screen buffer now. If not, something went wrong and we should abort. */
1342 if (_screen.dst_ptr == nullptr) {
1343 this->Stop();
1344 _cur_resolution = old_res;
1345 return "Can't get pointer to screen buffer";
1346 }
1347 /* Main loop expects to start with the buffer unmapped. */
1348 this->ReleaseVideoPointer();
1349
1350 MarkWholeScreenDirty();
1351
1352 this->is_game_threaded = !GetDriverParamBool(param, "no_threads") && !GetDriverParamBool(param, "no_thread");
1353
1354 return nullptr;
1355 }
1356
1357 void VideoDriver_Win32OpenGL::Stop()
1358 {
1359 this->DestroyContext();
1360 this->VideoDriver_Win32Base::Stop();
1361 }
1362
1363 void VideoDriver_Win32OpenGL::DestroyContext()
1364 {
1365 OpenGLBackend::Destroy();
1366
1367 wglMakeCurrent(nullptr, nullptr);
1368 if (this->gl_rc != nullptr) {
1369 wglDeleteContext(this->gl_rc);
1370 this->gl_rc = nullptr;
1371 }
1372 if (this->dc != nullptr) {
1373 ReleaseDC(this->main_wnd, this->dc);
1374 this->dc = nullptr;
1375 }
1376 }
1377
1378 void VideoDriver_Win32OpenGL::ToggleVsync(bool vsync)
1379 {
1380 if (_wglSwapIntervalEXT != nullptr) {
1381 _wglSwapIntervalEXT(vsync);
1382 } else if (vsync) {
1383 Debug(driver, 0, "OpenGL: Vsync requested, but not supported by driver");
1384 }
1385 }
1386
1387 const char *VideoDriver_Win32OpenGL::AllocateContext()
1388 {
1389 this->dc = GetDC(this->main_wnd);
1390
1391 const char *err = SelectPixelFormat(this->dc, this->fullscreen);
1392 if (err != nullptr) return err;
1393
1394 HGLRC rc = nullptr;
1395
1396 /* Create OpenGL device context. Try to get an 3.2+ context if possible. */
1397 if (_wglCreateContextAttribsARB != nullptr) {
1398 /* Try for OpenGL 4.5 first. */
1399 int attribs[] = {
1400 WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
1401 WGL_CONTEXT_MINOR_VERSION_ARB, 5,
1402 WGL_CONTEXT_FLAGS_ARB, _debug_driver_level >= 8 ? WGL_CONTEXT_DEBUG_BIT_ARB : 0,
1403 _hasWGLARBCreateContextProfile ? WGL_CONTEXT_PROFILE_MASK_ARB : 0, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, // Terminate list if WGL_ARB_create_context_profile isn't supported.
1404 0
1405 };
1406 rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs);
1407
1408 if (rc == nullptr) {
1409 /* Try again for a 3.2 context. */
1410 attribs[1] = 3;
1411 attribs[3] = 2;
1412 rc = _wglCreateContextAttribsARB(this->dc, nullptr, attribs);
1413 }
1414 }
1415
1416 if (rc == nullptr) {
1417 /* Old OpenGL or old driver, let's hope for the best. */
1418 rc = wglCreateContext(this->dc);
1419 if (rc == nullptr) return "Can't create OpenGL context";
1420 }
1421 if (!wglMakeCurrent(this->dc, rc)) return "Can't active GL context";
1422
1423 this->ToggleVsync(_video_vsync);
1424
1425 this->gl_rc = rc;
1426 return OpenGLBackend::Create(&GetOGLProcAddressCallback, this->GetScreenSize());
1427 }
1428
1429 bool VideoDriver_Win32OpenGL::ToggleFullscreen(bool full_screen)
1430 {
1431 if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
1432 this->DestroyContext();
1433 bool res = this->VideoDriver_Win32Base::ToggleFullscreen(full_screen);
1434 res &= this->AllocateContext() == nullptr;
1435 this->ClientSizeChanged(this->width, this->height, true);
1436 return res;
1437 }
1438
1439 bool VideoDriver_Win32OpenGL::AfterBlitterChange()
1440 {
1441 assert(BlitterFactory::GetCurrentBlitter()->GetScreenDepth() != 0);
1442 this->ClientSizeChanged(this->width, this->height, true);
1443 return true;
1444 }
1445
1446 void VideoDriver_Win32OpenGL::PopulateSystemSprites()
1447 {
1448 OpenGLBackend::Get()->PopulateCursorCache();
1449 }
1450
1451 void VideoDriver_Win32OpenGL::ClearSystemSprites()
1452 {
1453 OpenGLBackend::Get()->ClearCursorCache();
1454 }
1455
1456 bool VideoDriver_Win32OpenGL::AllocateBackingStore(int w, int h, bool force)
1457 {
1458 if (!force && w == _screen.width && h == _screen.height) return false;
1459
1460 this->width = w = std::max(w, 64);
1461 this->height = h = std::max(h, 64);
1462
1463 if (this->gl_rc == nullptr) return false;
1464
1465 if (_screen.dst_ptr != nullptr) this->ReleaseVideoPointer();
1466
1467 this->dirty_rect = {};
1468 bool res = OpenGLBackend::Get()->Resize(w, h, force);
1469 SwapBuffers(this->dc);
1470 _screen.dst_ptr = this->GetVideoPointer();
1471
1472 return res;
1473 }
1474
1475 void *VideoDriver_Win32OpenGL::GetVideoPointer()
1476 {
1477 if (BlitterFactory::GetCurrentBlitter()->NeedsAnimationBuffer()) {
1478 this->anim_buffer = OpenGLBackend::Get()->GetAnimBuffer();
1479 }
1480 return OpenGLBackend::Get()->GetVideoBuffer();
1481 }
1482
1483 void VideoDriver_Win32OpenGL::ReleaseVideoPointer()
1484 {
1485 if (this->anim_buffer != nullptr) OpenGLBackend::Get()->ReleaseAnimBuffer(this->dirty_rect);
1486 OpenGLBackend::Get()->ReleaseVideoBuffer(this->dirty_rect);
1487 this->dirty_rect = {};
1488 _screen.dst_ptr = nullptr;
1489 this->anim_buffer = nullptr;
1490 }
1491
1492 void VideoDriver_Win32OpenGL::Paint()
1493 {
1494 PerformanceMeasurer framerate(PFE_VIDEO);
1495
1496 if (_local_palette.count_dirty != 0) {
1497 Blitter *blitter = BlitterFactory::GetCurrentBlitter();
1498
1499 /* Always push a changed palette to OpenGL. */
1500 OpenGLBackend::Get()->UpdatePalette(_local_palette.palette, _local_palette.first_dirty, _local_palette.count_dirty);
1501 if (blitter->UsePaletteAnimation() == Blitter::PALETTE_ANIMATION_BLITTER) {
1502 blitter->PaletteAnimate(_local_palette);
1503 }
1504
1505 _local_palette.count_dirty = 0;
1506 }
1507
1508 OpenGLBackend::Get()->Paint();
1509 OpenGLBackend::Get()->DrawMouseCursor();
1510
1511 SwapBuffers(this->dc);
1512 }
1513
1514 #endif /* WITH_OPENGL */
_dirkeys
byte _dirkeys
1 = left, 2 = up, 4 = right, 8 = down
Definition: gfx.cpp:34
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:882
Palette::first_dirty
int first_dirty
The first dirty element.
Definition: gfx_type.h:322
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:36
usererror
void CDECL usererror(const char *s,...)
Error handling for fatal user errors.
Definition: openttd.cpp:105
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:2711
VideoDriver_Win32GDI::Paint
void Paint() override
Paint the window.
Definition: win32_v.cpp:1140
_left_button_down
bool _left_button_down
Is left mouse button pressed?
Definition: gfx.cpp:41
VideoDriver_Win32Base::EditBoxLostFocus
void EditBoxLostFocus() override
An edit box lost the input focus.
Definition: win32_v.cpp:926
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:267
HandleKeypress
void HandleKeypress(uint keycode, WChar key)
Handle keyboard input.
Definition: window.cpp:2625
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:869
_local_palette
static Palette _local_palette
Current palette to use for drawing.
Definition: win32_v.cpp:49
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:1054
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:38
HandleIMEComposition
static LRESULT HandleIMEComposition(HWND hwnd, WPARAM wParam, LPARAM lParam)
Handle WM_IME_COMPOSITION messages.
Definition: win32_v.cpp:323
VideoDriver_Win32Base::GetScreenSize
Dimension GetScreenSize() const override
Get the resolution of the main screen.
Definition: win32_v.cpp:957
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:412
EditBoxInGlobalFocus
bool EditBoxInGlobalFocus()
Check if an edit box is in global focus.
Definition: window.cpp:479
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:256
OpenGLBackend::Get
static OpenGLBackend * Get()
Get singleton instance of this class.
Definition: opengl.h:84
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:821
AdjustGUIZoom
bool AdjustGUIZoom(bool automatic)
Resolve GUI zoom level and adjust GUI to new zoom, if auto-suggestion is requested.
Definition: gfx.cpp:2061
Utf16DecodeSurrogate
static WChar Utf16DecodeSurrogate(uint lead, uint trail)
Convert an UTF-16 surrogate pair to the corresponding Unicode character.
Definition: string_func.h:203
UpdateWindows
void UpdateWindows()
Update the continuously changing contents of the windows, such as the viewports.
Definition: window.cpp:3073
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:950
win32_v.h
OpenGLBackend::DrawMouseCursor
void DrawMouseCursor()
Draw mouse cursor on screen.
Definition: opengl.cpp:1076
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:1129
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:2930
FS2OTTD
std::string FS2OTTD(const std::wstring &name)
Convert to OpenTTD's encoding from a wide string.
Definition: win32.cpp:542
ReInitAllWindows
void ReInitAllWindows(bool zoom_changed)
Re-initialize all windows.
Definition: window.cpp:3375
Window::height
int height
Height of the window (number of pixels down in y direction)
Definition: window_gui.h:249
CursorVars::UpdateCursorPosition
bool UpdateCursorPosition(int x, int y, bool queued_warp)
Update cursor position on mouse movement.
Definition: gfx.cpp:1976
Palette::palette
Colour palette[256]
Current palette. Entry 0 has to be always fully transparent!
Definition: gfx_type.h:321
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:1204
VideoDriver_Win32Base::CheckPaletteAnim
void CheckPaletteAnim() override
Process any pending palette animation.
Definition: win32_v.cpp:834
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:1159
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:182
StringList
std::vector< std::string > StringList
Type for a list of strings.
Definition: string_type.h:59
Window::left
int left
x position of left edge of the window
Definition: window_gui.h:246
_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:138
settings
fluid_settings_t * settings
FluidSynth settings handle.
Definition: fluidsynth.cpp:21
_shift_pressed
bool _shift_pressed
Is Shift pressed?
Definition: gfx.cpp:39
OpenGLBackend::Create
static const char * Create(GetOGLProcAddressProc get_proc, const Dimension &screen_res)
Create and initialize the singleton back-end class.
Definition: opengl.cpp:469
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:126
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:482
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:323
VideoDriver::GetInstance
static VideoDriver * GetInstance()
Get the currently active instance of the video driver.
Definition: video_driver.hpp:202
NWidgetBase::current_y
uint current_y
Current vertical size (after resizing).
Definition: widget_type.h:197
VideoDriver_Win32GDI::Stop
void Stop() override
Stop this driver.
Definition: win32_v.cpp:1046
VideoDriver_Win32Base::ToggleFullscreen
bool ToggleFullscreen(bool fullscreen) override
Change the full screen setting.
Definition: win32_v.cpp:918
VideoDriver_Win32Base::UnlockVideoBuffer
void UnlockVideoBuffer() override
Unlock a previously locked video buffer.
Definition: win32_v.cpp:1014
OpenGLBackend::ClearCursorCache
void ClearCursorCache()
Queue a request for cursor cache clear.
Definition: opengl.cpp:1146
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:330
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:606
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:289
FindStringInExtensionList
const char * FindStringInExtensionList(const char *string, const char *substring)
Find a substring in a string made of space delimited elements.
Definition: opengl.cpp:146
NWidgetBase::pos_x
int pos_x
Horizontal position of top-left corner of the widget in the window.
Definition: widget_type.h:199
VideoDriver::UpdateAutoResolution
void UpdateAutoResolution()
Apply resolution auto-detection and clamp to sensible defaults.
Definition: video_driver.hpp:242
VideoDriver_Win32GDI::Start
const char * Start(const StringList &param) override
Start this driver.
Definition: win32_v.cpp:1029
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:631
endof
#define endof(x)
Get the end element of an fixed size array.
Definition: stdafx.h:394
VideoDriver_Win32Base::MakeDirty
void MakeDirty(int left, int top, int width, int height) override
Mark a particular area dirty.
Definition: win32_v.cpp:828
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:3269
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:1294
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:261
Window::window_class
WindowClass window_class
Window class.
Definition: window_gui.h:240
seprintf
int CDECL seprintf(char *str, const char *last, const char *format,...)
Safer implementation of snprintf; same as snprintf except:
Definition: string.cpp:554
WKC_COMMA
@ WKC_COMMA
, Comma
Definition: gfx_type.h:102
Win32VkMapping
Definition: win32_v.cpp:57
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:1003
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:234
Window::top
int top
y position of top edge of the window
Definition: window_gui.h:247
OpenGLBackend::Paint
void Paint()
Render video buffer to the screen.
Definition: opengl.cpp:1044
GameSizeChanged
void GameSizeChanged()
Size of the application screen changed.
Definition: main_gui.cpp:580
_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:386
Window::width
int width
width of the window (number of pixels to the right in x direction)
Definition: window_gui.h:248
OpenGLBackend::UpdatePalette
void UpdatePalette(const Colour *pal, uint first, uint length)
Update the stored palette.
Definition: opengl.cpp:1030
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:2681
MarkWholeScreenDirty
void MarkWholeScreenDirty()
This function mark the whole screen as dirty.
Definition: gfx.cpp:1767
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:908
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:200
VideoDriver_Win32GDI::AfterBlitterChange
bool AfterBlitterChange() override
Callback invoked after the blitter was changed.
Definition: win32_v.cpp:1089
VideoDriver::fast_forward_key_pressed
bool fast_forward_key_pressed
The fast-forward key is being pressed.
Definition: video_driver.hpp:348
WKC_MINUS
@ WKC_MINUS
Definition: gfx_type.h:104
Rect
Specification of a rectangle with absolute coordinates of all edges.
Definition: geometry_type.hpp:69
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:962
_right_button_clicked
bool _right_button_clicked
Is right mouse button clicked?
Definition: gfx.cpp:44
Palette
Information about the currently used palette.
Definition: gfx_type.h:320
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:196
lastof
#define lastof(x)
Get the last element of an fixed size array.
Definition: stdafx.h:402
OpenGLBackend::ReleaseAnimBuffer
void ReleaseAnimBuffer(const Rect &update_rect)
Update animation buffer texture after the animation buffer was filled.
Definition: opengl.cpp:1246
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:42
_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:192
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:840
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:915
_right_button_down
bool _right_button_down
Is right mouse button pressed?
Definition: gfx.cpp:43
OpenGLBackend::GetAnimBuffer
uint8 * GetAnimBuffer()
Get a pointer to the memory for the separate animation buffer.
Definition: opengl.cpp:1181
CancelIMEComposition
static void CancelIMEComposition(HWND hwnd)
Clear the current composition string.
Definition: win32_v.cpp:383
VideoDriver_Win32GDI::gdi_palette
HPALETTE gdi_palette
Palette object for 8bpp blitter.
Definition: win32_v.h:91