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comparison src/video/win32/SDL_win32keyboard.c @ 2311:54e21acfec5a

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Friggin' Windows remaps alphabetic keys based on keyboard layout. We try to figure out what the actual layout independent values are.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 09 Feb 2008 22:28:27 +0000
parents 514f7c1651fc
children f537a293b3da
comparison
equal deleted inserted replaced
2310:2f31ce8f1149 2311:54e21acfec5a
24 #include "SDL_win32video.h" 24 #include "SDL_win32video.h"
25 25
26 #include "../../events/SDL_keyboard_c.h" 26 #include "../../events/SDL_keyboard_c.h"
27 #include "../../events/scancodes_win32.h" 27 #include "../../events/scancodes_win32.h"
28 28
29 #ifndef MAPVK_VK_TO_VSC
30 #define MAPVK_VK_TO_VSC 0
31 #endif
32 #ifndef MAPVK_VSC_TO_VK
33 #define MAPVK_VSC_TO_VK 1
34 #endif
35 #ifndef MAPVK_VK_TO_CHAR
36 #define MAPVK_VK_TO_CHAR 2
37 #endif
38
39 /* Alphabetic scancodes for PC keyboards */
40 BYTE alpha_scancodes[26] = {
41 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24,
42 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44
43 };
44
29 void 45 void
30 WIN_InitKeyboard(_THIS) 46 WIN_InitKeyboard(_THIS)
31 { 47 {
32 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; 48 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
33 SDL_Keyboard keyboard; 49 SDL_Keyboard keyboard;
50 int i;
51
52 /* Make sure the alpha scancodes are correct. T isn't usually remapped */
53 if (MapVirtualKey('T', MAPVK_VK_TO_VSC) != alpha_scancodes['T'-'A']) {
54 printf("Fixing alpha scancode map, assuming US QWERTY layout!\nPlease send the following 26 lines of output to the SDL mailing list <sdl@libsdl.org>, including a description of your keyboard hardware.\n");
55 for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) {
56 alpha_scancodes[i] = MapVirtualKey('A'+i, MAPVK_VK_TO_VSC);
57 printf("%d = %d\n", i, alpha_scancodes[i]);
58 }
59 }
34 60
35 data->key_layout = win32_scancode_table; 61 data->key_layout = win32_scancode_table;
36 62
37 SDL_zero(keyboard); 63 SDL_zero(keyboard);
38 data->keyboard = SDL_AddKeyboard(&keyboard, -1); 64 data->keyboard = SDL_AddKeyboard(&keyboard, -1);
39 WIN_UpdateKeymap(_this); 65 WIN_UpdateKeymap(data->keyboard);
40 66
41 SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu"); 67 SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
42 SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows"); 68 SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
43 SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows"); 69 SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
44 } 70 }
45 71
46 void 72 void
47 WIN_UpdateKeymap(_THIS) 73 WIN_UpdateKeymap(int keyboard)
48 { 74 {
49 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
50 int i; 75 int i;
51 SDL_scancode scancode; 76 SDL_scancode scancode;
52 SDLKey keymap[SDL_NUM_SCANCODES]; 77 SDLKey keymap[SDL_NUM_SCANCODES];
53 78
54 SDL_GetDefaultKeymap(keymap); 79 SDL_GetDefaultKeymap(keymap);
59 scancode = win32_scancode_table[i]; 84 scancode = win32_scancode_table[i];
60 if (scancode == SDL_SCANCODE_UNKNOWN || 85 if (scancode == SDL_SCANCODE_UNKNOWN ||
61 (keymap[scancode] & SDLK_SCANCODE_MASK)) { 86 (keymap[scancode] & SDLK_SCANCODE_MASK)) {
62 continue; 87 continue;
63 } 88 }
64 #ifndef MAPVK_VK_TO_CHAR 89
65 #define MAPVK_VK_TO_CHAR 2 90 /* Alphabetic keys are handled specially, since Windows remaps them */
66 #endif 91 if (i >= 'A' && i <= 'Z') {
67 keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF); 92 BYTE vsc = alpha_scancodes[i-'A'];
93 keymap[scancode] = MapVirtualKey(vsc, MAPVK_VSC_TO_VK) + 0x20;
94 } else {
95 keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF);
96 }
68 } 97 }
69 SDL_SetKeymap(data->keyboard, 0, keymap, SDL_NUM_SCANCODES); 98 SDL_SetKeymap(keyboard, 0, keymap, SDL_NUM_SCANCODES);
70 } 99 }
71 100
72 void 101 void
73 WIN_QuitKeyboard(_THIS) 102 WIN_QuitKeyboard(_THIS)
74 { 103 {