mirror of
https://github.com/libsdl-org/SDL.git
synced 2025-09-18 17:28:13 +00:00
Refactored code to send scancodes for an ASCII on-screen keyboard key
This commit is contained in:
Sam Lantinga
@@ -27,6 +27,7 @@
|
||||
#include "SDL_events.h"
|
||||
#include "SDL_events_c.h"
|
||||
#include "../video/SDL_sysvideo.h"
|
||||
#include "scancodes_ascii.h"
|
||||
|
||||
|
||||
/* #define DEBUG_KEYBOARD */
|
||||
@@ -819,6 +820,33 @@ SDL_SendKeyboardKeyInternal(Uint8 source, Uint8 state, SDL_Scancode scancode)
|
||||
return (posted);
|
||||
}
|
||||
|
||||
int
|
||||
SDL_SendKeyboardUnicodeKey(Uint32 ch)
|
||||
{
|
||||
SDL_Scancode code = SDL_SCANCODE_UNKNOWN;
|
||||
uint16_t mod = 0;
|
||||
|
||||
if (ch < SDL_arraysize(SDL_ASCIIKeyInfoTable)) {
|
||||
code = SDL_ASCIIKeyInfoTable[ch].code;
|
||||
mod = SDL_ASCIIKeyInfoTable[ch].mod;
|
||||
}
|
||||
|
||||
if (mod & KMOD_SHIFT) {
|
||||
/* If the character uses shift, press shift down */
|
||||
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
|
||||
}
|
||||
|
||||
/* Send a keydown and keyup for the character */
|
||||
SDL_SendKeyboardKey(SDL_PRESSED, code);
|
||||
SDL_SendKeyboardKey(SDL_RELEASED, code);
|
||||
|
||||
if (mod & KMOD_SHIFT) {
|
||||
/* If the character uses shift, release shift */
|
||||
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
SDL_SendKeyboardKey(Uint8 state, SDL_Scancode scancode)
|
||||
{
|
||||
|
||||
@@ -47,6 +47,11 @@ extern void SDL_SetScancodeName(SDL_Scancode scancode, const char *name);
|
||||
/* Set the keyboard focus window */
|
||||
extern void SDL_SetKeyboardFocus(SDL_Window * window);
|
||||
|
||||
/* Send a character from an on-screen keyboard as scancode and modifier key events,
|
||||
currently assuming ASCII characters on a US keyboard layout
|
||||
*/
|
||||
extern int SDL_SendKeyboardUnicodeKey(Uint32 ch);
|
||||
|
||||
/* Send a keyboard key event */
|
||||
extern int SDL_SendKeyboardKey(Uint8 state, SDL_Scancode scancode);
|
||||
extern int SDL_SendKeyboardKeyAutoRelease(SDL_Scancode scancode);
|
||||
|
||||
170
src/events/scancodes_ascii.h
Normal file
170
src/events/scancodes_ascii.h
Normal file
@@ -0,0 +1,170 @@
|
||||
/*
|
||||
Simple DirectMedia Layer
|
||||
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software
|
||||
in a product, an acknowledgment in the product documentation would be
|
||||
appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
|
||||
#include "SDL_scancode.h"
|
||||
#include "SDL_keycode.h"
|
||||
|
||||
/*
|
||||
This file is used to convert between characters passed in from an ASCII
|
||||
virtual keyboard in US layout and tuples of SDL_Scancode and SDL_keymods.
|
||||
|
||||
For example ASCIIKeyInfoTable['a'] would give you the scan code and keymod
|
||||
for lower case a.
|
||||
*/
|
||||
|
||||
typedef struct
|
||||
{
|
||||
SDL_Scancode code;
|
||||
uint16_t mod;
|
||||
} ASCIIKeyInfo;
|
||||
|
||||
static ASCIIKeyInfo SDL_ASCIIKeyInfoTable[] = {
|
||||
/* 0 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 1 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 2 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 3 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 4 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 5 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 6 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 7 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 8 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 9 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 10 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 11 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 12 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 13 */ { SDL_SCANCODE_RETURN, 0 },
|
||||
/* 14 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 15 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 16 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 17 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 18 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 19 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 20 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 21 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 22 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 23 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 24 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 25 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 26 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 27 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 28 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 29 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 30 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 31 */ { SDL_SCANCODE_UNKNOWN, 0 },
|
||||
/* 32 */ { SDL_SCANCODE_SPACE, 0 },
|
||||
/* 33 */ { SDL_SCANCODE_1, KMOD_SHIFT }, /* plus shift modifier '!' */
|
||||
/* 34 */ { SDL_SCANCODE_APOSTROPHE, KMOD_SHIFT }, /* plus shift modifier '"' */
|
||||
/* 35 */ { SDL_SCANCODE_3, KMOD_SHIFT }, /* plus shift modifier '#' */
|
||||
/* 36 */ { SDL_SCANCODE_4, KMOD_SHIFT }, /* plus shift modifier '$' */
|
||||
/* 37 */ { SDL_SCANCODE_5, KMOD_SHIFT }, /* plus shift modifier '%' */
|
||||
/* 38 */ { SDL_SCANCODE_7, KMOD_SHIFT }, /* plus shift modifier '&' */
|
||||
/* 39 */ { SDL_SCANCODE_APOSTROPHE, 0 }, /* ''' */
|
||||
/* 40 */ { SDL_SCANCODE_9, KMOD_SHIFT }, /* plus shift modifier '(' */
|
||||
/* 41 */ { SDL_SCANCODE_0, KMOD_SHIFT }, /* plus shift modifier ')' */
|
||||
/* 42 */ { SDL_SCANCODE_8, KMOD_SHIFT }, /* '*' */
|
||||
/* 43 */ { SDL_SCANCODE_EQUALS, KMOD_SHIFT }, /* plus shift modifier '+' */
|
||||
/* 44 */ { SDL_SCANCODE_COMMA, 0 }, /* ',' */
|
||||
/* 45 */ { SDL_SCANCODE_MINUS, 0 }, /* '-' */
|
||||
/* 46 */ { SDL_SCANCODE_PERIOD, 0 }, /* '.' */
|
||||
/* 47 */ { SDL_SCANCODE_SLASH, 0 }, /* '/' */
|
||||
/* 48 */ { SDL_SCANCODE_0, 0 },
|
||||
/* 49 */ { SDL_SCANCODE_1, 0 },
|
||||
/* 50 */ { SDL_SCANCODE_2, 0 },
|
||||
/* 51 */ { SDL_SCANCODE_3, 0 },
|
||||
/* 52 */ { SDL_SCANCODE_4, 0 },
|
||||
/* 53 */ { SDL_SCANCODE_5, 0 },
|
||||
/* 54 */ { SDL_SCANCODE_6, 0 },
|
||||
/* 55 */ { SDL_SCANCODE_7, 0 },
|
||||
/* 56 */ { SDL_SCANCODE_8, 0 },
|
||||
/* 57 */ { SDL_SCANCODE_9, 0 },
|
||||
/* 58 */ { SDL_SCANCODE_SEMICOLON, KMOD_SHIFT }, /* plus shift modifier ';' */
|
||||
/* 59 */ { SDL_SCANCODE_SEMICOLON, 0 },
|
||||
/* 60 */ { SDL_SCANCODE_COMMA, KMOD_SHIFT }, /* plus shift modifier '<' */
|
||||
/* 61 */ { SDL_SCANCODE_EQUALS, 0 },
|
||||
/* 62 */ { SDL_SCANCODE_PERIOD, KMOD_SHIFT }, /* plus shift modifier '>' */
|
||||
/* 63 */ { SDL_SCANCODE_SLASH, KMOD_SHIFT }, /* plus shift modifier '?' */
|
||||
/* 64 */ { SDL_SCANCODE_2, KMOD_SHIFT }, /* plus shift modifier '@' */
|
||||
/* 65 */ { SDL_SCANCODE_A, KMOD_SHIFT }, /* all the following need shift modifiers */
|
||||
/* 66 */ { SDL_SCANCODE_B, KMOD_SHIFT },
|
||||
/* 67 */ { SDL_SCANCODE_C, KMOD_SHIFT },
|
||||
/* 68 */ { SDL_SCANCODE_D, KMOD_SHIFT },
|
||||
/* 69 */ { SDL_SCANCODE_E, KMOD_SHIFT },
|
||||
/* 70 */ { SDL_SCANCODE_F, KMOD_SHIFT },
|
||||
/* 71 */ { SDL_SCANCODE_G, KMOD_SHIFT },
|
||||
/* 72 */ { SDL_SCANCODE_H, KMOD_SHIFT },
|
||||
/* 73 */ { SDL_SCANCODE_I, KMOD_SHIFT },
|
||||
/* 74 */ { SDL_SCANCODE_J, KMOD_SHIFT },
|
||||
/* 75 */ { SDL_SCANCODE_K, KMOD_SHIFT },
|
||||
/* 76 */ { SDL_SCANCODE_L, KMOD_SHIFT },
|
||||
/* 77 */ { SDL_SCANCODE_M, KMOD_SHIFT },
|
||||
/* 78 */ { SDL_SCANCODE_N, KMOD_SHIFT },
|
||||
/* 79 */ { SDL_SCANCODE_O, KMOD_SHIFT },
|
||||
/* 80 */ { SDL_SCANCODE_P, KMOD_SHIFT },
|
||||
/* 81 */ { SDL_SCANCODE_Q, KMOD_SHIFT },
|
||||
/* 82 */ { SDL_SCANCODE_R, KMOD_SHIFT },
|
||||
/* 83 */ { SDL_SCANCODE_S, KMOD_SHIFT },
|
||||
/* 84 */ { SDL_SCANCODE_T, KMOD_SHIFT },
|
||||
/* 85 */ { SDL_SCANCODE_U, KMOD_SHIFT },
|
||||
/* 86 */ { SDL_SCANCODE_V, KMOD_SHIFT },
|
||||
/* 87 */ { SDL_SCANCODE_W, KMOD_SHIFT },
|
||||
/* 88 */ { SDL_SCANCODE_X, KMOD_SHIFT },
|
||||
/* 89 */ { SDL_SCANCODE_Y, KMOD_SHIFT },
|
||||
/* 90 */ { SDL_SCANCODE_Z, KMOD_SHIFT },
|
||||
/* 91 */ { SDL_SCANCODE_LEFTBRACKET, 0 },
|
||||
/* 92 */ { SDL_SCANCODE_BACKSLASH, 0 },
|
||||
/* 93 */ { SDL_SCANCODE_RIGHTBRACKET, 0 },
|
||||
/* 94 */ { SDL_SCANCODE_6, KMOD_SHIFT }, /* plus shift modifier '^' */
|
||||
/* 95 */ { SDL_SCANCODE_MINUS, KMOD_SHIFT }, /* plus shift modifier '_' */
|
||||
/* 96 */ { SDL_SCANCODE_GRAVE, KMOD_SHIFT }, /* '`' */
|
||||
/* 97 */ { SDL_SCANCODE_A, 0 },
|
||||
/* 98 */ { SDL_SCANCODE_B, 0 },
|
||||
/* 99 */ { SDL_SCANCODE_C, 0 },
|
||||
/* 100 */ { SDL_SCANCODE_D, 0 },
|
||||
/* 101 */ { SDL_SCANCODE_E, 0 },
|
||||
/* 102 */ { SDL_SCANCODE_F, 0 },
|
||||
/* 103 */ { SDL_SCANCODE_G, 0 },
|
||||
/* 104 */ { SDL_SCANCODE_H, 0 },
|
||||
/* 105 */ { SDL_SCANCODE_I, 0 },
|
||||
/* 106 */ { SDL_SCANCODE_J, 0 },
|
||||
/* 107 */ { SDL_SCANCODE_K, 0 },
|
||||
/* 108 */ { SDL_SCANCODE_L, 0 },
|
||||
/* 109 */ { SDL_SCANCODE_M, 0 },
|
||||
/* 110 */ { SDL_SCANCODE_N, 0 },
|
||||
/* 111 */ { SDL_SCANCODE_O, 0 },
|
||||
/* 112 */ { SDL_SCANCODE_P, 0 },
|
||||
/* 113 */ { SDL_SCANCODE_Q, 0 },
|
||||
/* 114 */ { SDL_SCANCODE_R, 0 },
|
||||
/* 115 */ { SDL_SCANCODE_S, 0 },
|
||||
/* 116 */ { SDL_SCANCODE_T, 0 },
|
||||
/* 117 */ { SDL_SCANCODE_U, 0 },
|
||||
/* 118 */ { SDL_SCANCODE_V, 0 },
|
||||
/* 119 */ { SDL_SCANCODE_W, 0 },
|
||||
/* 120 */ { SDL_SCANCODE_X, 0 },
|
||||
/* 121 */ { SDL_SCANCODE_Y, 0 },
|
||||
/* 122 */ { SDL_SCANCODE_Z, 0 },
|
||||
/* 123 */ { SDL_SCANCODE_LEFTBRACKET, KMOD_SHIFT }, /* plus shift modifier '{' */
|
||||
/* 124 */ { SDL_SCANCODE_BACKSLASH, KMOD_SHIFT }, /* plus shift modifier '|' */
|
||||
/* 125 */ { SDL_SCANCODE_RIGHTBRACKET, KMOD_SHIFT }, /* plus shift modifier '}' */
|
||||
/* 126 */ { SDL_SCANCODE_GRAVE, KMOD_SHIFT }, /* plus shift modifier '~' */
|
||||
/* 127 */ { SDL_SCANCODE_BACKSPACE, KMOD_SHIFT }
|
||||
};
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
Reference in New Issue
Block a user