mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2025-02-19 22:02:41 +01:00
Add code for the virtual keyboard. Won't compile just yet,
This commit is contained in:
simon.kagstrom
parent
90675026bb
commit
d0f0dc3b50
378
virtual_keyboard.cpp
Normal file
378
virtual_keyboard.cpp
Normal file
@ -0,0 +1,378 @@
|
||||
/*********************************************************************
|
||||
*
|
||||
* Copyright (C) 2009, Simon Kagstrom
|
||||
*
|
||||
* Filename: VirtualKeyboard.c
|
||||
* Author: Simon Kagstrom <simon.kagstrom@gmail.com>
|
||||
* Description: A virtual keyboard
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
********************************************************************/
|
||||
#include <SDL.h>
|
||||
#include <SDL_ttf.h>
|
||||
|
||||
#include "menu.h"
|
||||
#include "virtual_keyboard.hh"
|
||||
|
||||
typedef struct virtkey
|
||||
{
|
||||
const char *name;
|
||||
int kc;
|
||||
bool is_shift;
|
||||
bool is_done;
|
||||
} virtkey_t;
|
||||
|
||||
/*
|
||||
C64 keyboard matrix:
|
||||
|
||||
Bit 7 6 5 4 3 2 1 0
|
||||
0 CUD F5 F3 F1 F7 CLR RET DEL
|
||||
1 SHL E S Z 4 A W 3
|
||||
2 X T F C 6 D R 5
|
||||
3 V U H B 8 G Y 7
|
||||
4 N O K M 0 J I 9
|
||||
5 , @ : . - L P +
|
||||
6 / ^ = SHR HOM ; * <EFBFBD>
|
||||
7 R/S Q C= SPC 2 CTL <- 1
|
||||
*/
|
||||
#define MATRIX(a,b) (((a) << 3) | (b))
|
||||
|
||||
#define K(name, a,b) \
|
||||
{ name, MATRIX(a,b), false, false }
|
||||
#define S(name, a,b) \
|
||||
{ name, MATRIX(a,b), true, false }
|
||||
#define N(name) \
|
||||
{ name, -1, false, false }
|
||||
#define D(name) \
|
||||
{ name, -1, false, true }
|
||||
#define J(name, v) \
|
||||
{ name, 0x40 | (v), false, false }
|
||||
|
||||
#define KEY_COLS 15
|
||||
#define KEY_ROWS 8
|
||||
|
||||
static virtkey_t keys[KEY_COLS * KEY_ROWS] = {
|
||||
K("<-",7,1), K("1", 7,0), K("2", 7,3), K("3", 1,0), K("4", 1,3), K("5", 2,0), K("6", 2,3), K("7", 3,0), K("8", 3,3), K("9", 4,0), K("0", 4,3), K("+", 5,0), K("-", 5,3), K("£", 6,0), K("Hom", 6,3),
|
||||
K("Cr", 7,2), K("Q", 7,6), K("W", 1,1), K("E", 1,6), K("R", 2,1), K("T", 2,6), K("Y", 3,1), K("U", 3,6), K("I", 4,1), K("O", 4,6), K("P", 5,1), K("@", 5,6), K("*", 6,1), K("Au", 6,6),K("Rstr",4,0),
|
||||
K("R/Stp", 7,7), K(NULL,0,0), K("A", 1,2), K("S", 1,5), K("D", 2,2), K("F", 2,5), K("G", 3,2), K("H", 3,5), K("J", 4,2), K("K", 4,5), K("L", 5,2), K(":", 5,5), K(";", 6,2), K("=", 6,5), K("Ret", 0,1),
|
||||
K("C=", 7,5), S("Shft",1,7),K(NULL,0,0),K("Z", 1,4), K("X", 2,7), K("C", 2,4), K("V", 3,7), K("B", 3,4), K("N", 4,7), K("M", 4,4), K(",", 5,7), K(".", 5,4), K("/", 6,7), K("Dwn",0,7),K("Rgt", 0,2),
|
||||
N("None"), K(NULL,0,0), K(NULL,0,0), K("space", 7,4),K(0, 0,0),K(NULL,0,0), K("f1",0,4), K("f3",0,5), K("f5",0,6), K("f7",0,3), K("Del",0,0),K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), D("DONE"),
|
||||
K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(0, 0,0),J("Joystick up",1),K(0, 0,0),K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(NULL, 0,0),K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(NULL, 0,0),
|
||||
J("Joystick left",4),K(0, 0,0), K(NULL,0,0), K(NULL,0,0), K(0,0,0),J("Joystick fire",0x10),K(0,0,0),K(0,0,0), K(NULL,0,0), K(0,0,0),J("Joystick right",8),K(0, 0,0),K(0, 0,0), K(NULL,0,0), K(NULL,0,0),
|
||||
K(NULL,0,0), K(0, 0,0), K(NULL,0,0), K(NULL,0,0), K(0,0,0),J("Joystick down",2),K(0,0,0),K(NULL,0,0),K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(NULL,0,0), K(NULL, 0,0),K(NULL,0,0), K(NULL, 0,0),
|
||||
};
|
||||
|
||||
static const char *shifted_names[KEY_COLS * KEY_ROWS] = {
|
||||
NULL, "!", "\"", "#", "$", "%", "&", "'", "(", ")", NULL, NULL, NULL, NULL, "Clr",
|
||||
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "[", "]", NULL, NULL,
|
||||
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "<", ">", "?", "Up", "Lft",
|
||||
NULL, NULL, NULL, NULL, NULL, NULL, "f2", "f4", "f6", "f8", "Ins", NULL, NULL, NULL, NULL,
|
||||
};
|
||||
|
||||
VirtualKeyboard::VirtualKeyboard(TTF_Font *font)
|
||||
{
|
||||
this->font = font;
|
||||
this->sel_x = 0;
|
||||
this->sel_y = 0;
|
||||
this->shift_on = false;
|
||||
|
||||
memset(this->buf, 0, sizeof(this->buf));
|
||||
memset(this->stringListeners, 0, sizeof(this->stringListeners));
|
||||
memset(this->keyListeners, 0, sizeof(this->keyListeners));
|
||||
}
|
||||
|
||||
void VirtualKeyboard::draw(SDL_Surface *where, int x, int y, int w, int h)
|
||||
{
|
||||
int screen_w = where->w;
|
||||
int screen_h = where->h;
|
||||
int key_w = 36;
|
||||
int key_h = 36;
|
||||
int border_x = (screen_w - (key_w * KEY_COLS)) / 2;
|
||||
int border_y = (screen_h - (key_h * KEY_ROWS)) / 2;
|
||||
SDL_Rect bg_rect = {border_x, border_y,
|
||||
key_w * KEY_COLS, key_h * KEY_ROWS};
|
||||
|
||||
SDL_FillRect(where, &bg_rect,
|
||||
SDL_MapRGB(where->format, 0x00, 0x80, 0x80));
|
||||
|
||||
for (int y = 0; y < KEY_ROWS; y++ )
|
||||
{
|
||||
for (int x = 0; x < KEY_COLS; x++ )
|
||||
{
|
||||
int which = y * KEY_COLS + x;
|
||||
virtkey_t key = keys[which];
|
||||
int r = 255, g = 255, b = 255;
|
||||
const char *what = key.name;
|
||||
|
||||
/* Skip empty positions */
|
||||
if (key.name == NULL)
|
||||
continue;
|
||||
if (this->shift_on && shifted_names[which])
|
||||
what = shifted_names[which];
|
||||
|
||||
if ( key.is_done )
|
||||
r = 0;
|
||||
if ( (x == this->sel_x && y == this->sel_y) ||
|
||||
(this->shift_on && key.is_shift))
|
||||
b = 0;
|
||||
|
||||
menu_print_font(where, r, g, b,
|
||||
x * key_w + border_x, y * key_h + border_y,
|
||||
what);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void VirtualKeyboard::selectNext(int dx, int dy)
|
||||
{
|
||||
int next_x = (this->sel_x + dx) % KEY_COLS;
|
||||
int next_y = (this->sel_y + dy) % KEY_ROWS;
|
||||
virtkey_t key;
|
||||
|
||||
if (next_x < 0)
|
||||
next_x = KEY_COLS + next_x;
|
||||
if (next_y < 0)
|
||||
next_y = KEY_ROWS + next_y;
|
||||
this->sel_x = next_x;
|
||||
this->sel_y = next_y;
|
||||
|
||||
key = keys[ next_y * KEY_COLS + next_x ];
|
||||
|
||||
/* Skip the empty spots */
|
||||
if (key.name == NULL)
|
||||
{
|
||||
if (dy != 0) /* Look left */
|
||||
this->selectNext(-1, 0);
|
||||
else
|
||||
this->selectNext(dx, dy);
|
||||
}
|
||||
}
|
||||
|
||||
void VirtualKeyboard::toggleShift()
|
||||
{
|
||||
this->shift_on = !this->shift_on;
|
||||
}
|
||||
|
||||
const char *VirtualKeyboard::keycodeToString(int kc)
|
||||
{
|
||||
bool shifted = kc & 0x80;
|
||||
int kc_raw = kc & ~0x80;
|
||||
const char *out = "Unknown";
|
||||
|
||||
if (kc < 0)
|
||||
return "None";
|
||||
|
||||
/* Just loop through all of them */
|
||||
for (int i = 0; i < KEY_COLS * KEY_ROWS; i++)
|
||||
{
|
||||
virtkey_t key = keys[i];
|
||||
|
||||
if (key.kc == kc_raw && key.name != NULL)
|
||||
{
|
||||
out = key.name;
|
||||
|
||||
if (shifted && shifted_names[i])
|
||||
out = shifted_names[i];
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return out;
|
||||
}
|
||||
|
||||
int VirtualKeyboard::charToKeycode(char c)
|
||||
{
|
||||
for (int i = 0; i < KEY_COLS * KEY_ROWS; i++)
|
||||
{
|
||||
virtkey_t key = keys[i];
|
||||
|
||||
if (key.name != NULL)
|
||||
{
|
||||
if (strlen(key.name) == 1)
|
||||
{
|
||||
if (key.name[0] == c)
|
||||
return key.kc;
|
||||
if (shifted_names[i] && strlen(shifted_names[i]) == 1 &&
|
||||
shifted_names[i][0] == c)
|
||||
return key.kc | 0x80;
|
||||
}
|
||||
|
||||
/* OK, ugly special cases, but these are pretty important */
|
||||
if (c == ' ' && strcmp(key.name, "space") == 0)
|
||||
return key.kc;
|
||||
if (c == '\n' && strcmp(key.name, "Ret") == 0)
|
||||
return key.kc;
|
||||
}
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
const char VirtualKeyboard::keycodeToChar(int kc)
|
||||
{
|
||||
const char *s = this->keycodeToString(kc);
|
||||
|
||||
if (strcmp(s, "space") == 0)
|
||||
return ' ';
|
||||
if (strcmp(s, "Ret") == 0)
|
||||
return '\n';
|
||||
if (strcmp(s, "Del") == 0)
|
||||
return '\b';
|
||||
|
||||
/* NULL is never, ever returned */
|
||||
return s[0];
|
||||
}
|
||||
|
||||
struct virtkey *VirtualKeyboard::getKeyInternal()
|
||||
{
|
||||
while(1)
|
||||
{
|
||||
uint32_t k;
|
||||
|
||||
this->draw();
|
||||
SDL_Flip(this->screen);
|
||||
|
||||
k = menu_wait_key_press();
|
||||
|
||||
if (k & KEY_UP)
|
||||
this->selectNext(0, -1);
|
||||
else if (k & KEY_DOWN)
|
||||
this->selectNext(0, 1);
|
||||
else if (k & KEY_LEFT)
|
||||
this->selectNext(-1, 0);
|
||||
else if (k & KEY_RIGHT)
|
||||
this->selectNext(1, 0);
|
||||
else if (k & KEY_ESCAPE)
|
||||
return NULL;
|
||||
else if (k & KEY_SELECT)
|
||||
{
|
||||
virtkey_t *key = &keys[ this->sel_y * KEY_COLS + this->sel_x ];
|
||||
|
||||
if (key->is_shift == true)
|
||||
this->toggleShift();
|
||||
else
|
||||
return key;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int VirtualKeyboard::getKey()
|
||||
{
|
||||
virtkey_t *key;
|
||||
|
||||
SDL_FillRect(this->screen, 0, SDL_MapRGB(screen->format, 0x00, 0x80, 0x80));
|
||||
|
||||
key = this->getKeyInternal();
|
||||
if (key == NULL)
|
||||
return -2;
|
||||
|
||||
if (this->shift_on)
|
||||
return key->kc | 0x80;
|
||||
return key->kc;
|
||||
}
|
||||
|
||||
const char *VirtualKeyboard::getString()
|
||||
{
|
||||
int cnt = 0;
|
||||
|
||||
SDL_FillRect(this->screen, 0, SDL_MapRGB(screen->format, 0x00, 0x80, 0x80));
|
||||
memset(this->buf, 0, sizeof(this->buf));
|
||||
|
||||
while (true)
|
||||
{
|
||||
virtkey_t *key = this->getKeyInternal();
|
||||
char c;
|
||||
|
||||
/* Abort */
|
||||
if (key == NULL)
|
||||
return NULL;
|
||||
|
||||
/* Done */
|
||||
if (key->is_done)
|
||||
return this->buf;
|
||||
/* Skip None */
|
||||
if (key->kc == -1)
|
||||
continue;
|
||||
|
||||
/* Special-case for delete */
|
||||
if (strcmp(key->name, "Del") == 0)
|
||||
{
|
||||
if (cnt < 1)
|
||||
continue;
|
||||
this->buf[cnt - 1] = ' ';
|
||||
cnt -= 2;
|
||||
}
|
||||
else
|
||||
{
|
||||
c = this->keycodeToChar( this->shift_on ? key->kc | 0x80 : key->kc );
|
||||
|
||||
this->buf[cnt] = c;
|
||||
}
|
||||
|
||||
cnt++;
|
||||
if (cnt >= sizeof(this->buf) - 1)
|
||||
return this->buf;
|
||||
|
||||
/* SDL_Flip is done in get_key_internal() */
|
||||
SDL_FillRect(this->screen, 0, SDL_MapRGB(screen->format, 0x00, 0x80, 0x80));
|
||||
menu_print_font(this->screen, 255, 255, 0,
|
||||
40, screen->h - 50,
|
||||
this->buf);
|
||||
}
|
||||
|
||||
/* Not reachable */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void VirtualKeyboard::registerListener(KeyListener *kl)
|
||||
{
|
||||
int n_listeners = sizeof(this->keyListeners) / sizeof(*this->keyListeners);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < n_listeners; i++)
|
||||
if (!this->keyListeners[i])
|
||||
break;
|
||||
panic_if(i == n_listeners,
|
||||
"No free listeners!\n");
|
||||
this->keyListeners[i] = kl;
|
||||
}
|
||||
|
||||
/* Templates FTW! */
|
||||
void VirtualKeyboard::registerListener(StringListener *sl)
|
||||
{
|
||||
int n_listeners = sizeof(this->stringListeners) / sizeof(*this->stringListeners);
|
||||
int i;
|
||||
|
||||
for (i = 0; i < n_listeners; i++)
|
||||
if (!this->stringListeners[i])
|
||||
break;
|
||||
panic_if(i == n_listeners,
|
||||
"No free listeners!\n");
|
||||
this->stringListeners[i] = sl;
|
||||
}
|
||||
|
||||
void VirtualKeyboard::unregisterListener(KeyListener *kl)
|
||||
{
|
||||
int n_listeners = sizeof(this->keyListeners) / sizeof(*this->keyListeners);
|
||||
|
||||
for (int i = 0; i < n_listeners; i++)
|
||||
{
|
||||
if (this->keyListeners[i] == kl)
|
||||
this->keyListeners[i] = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void VirtualKeyboard::unregisterListener(StringListener *sl)
|
||||
{
|
||||
int n_listeners = sizeof(this->stringListeners) / sizeof(*this->stringListeners);
|
||||
|
||||
for (int i = 0; i < n_listeners; i++)
|
||||
{
|
||||
if (this->stringListeners[i] == sl)
|
||||
this->stringListeners[i] = NULL;
|
||||
}
|
||||
}
|
||||
64
virtual_keyboard.hh
Normal file
64
virtual_keyboard.hh
Normal file
@ -0,0 +1,64 @@
|
||||
/*********************************************************************
|
||||
*
|
||||
* Copyright (C) 2009, Simon Kagstrom
|
||||
*
|
||||
* Filename: VirtualKeyboard.c
|
||||
* Author: Simon Kagstrom <simon.kagstrom@gmail.com>
|
||||
* Description: A virtual keyboard
|
||||
*
|
||||
* $Id$
|
||||
*
|
||||
********************************************************************/
|
||||
#include <SDL.h>
|
||||
#include <SDL_ttf.h>
|
||||
|
||||
struct virtkey;
|
||||
|
||||
class KeyListener
|
||||
{
|
||||
void keyCallback(char c);
|
||||
};
|
||||
|
||||
class StringListener
|
||||
{
|
||||
void stringCallback(const char *str);
|
||||
};
|
||||
|
||||
class VirtualKeyboard
|
||||
{
|
||||
public:
|
||||
VirtualKeyboard(TTF_Font *font);
|
||||
|
||||
void registerListener(KeyListener *kl);
|
||||
void registerListener(StringListener *sl);
|
||||
void unregisterListener(KeyListener *kl);
|
||||
void unregisterListener(StringListener *sl);
|
||||
|
||||
/* Conversions */
|
||||
int getKey();
|
||||
const char *getString();
|
||||
const char *keycodeToString(int kc);
|
||||
const char keycodeToChar(int kc);
|
||||
int charToKeycode(char c);
|
||||
|
||||
void pushEvent(SDL_Event *ev);
|
||||
|
||||
void draw(SDL_Surface *where, int x, int y, int w, int h);
|
||||
|
||||
/* Singleton object */
|
||||
static VirtualKeyboard *kbd;
|
||||
private:
|
||||
KeyListener *keyListeners[8];
|
||||
StringListener *stringListeners[8];
|
||||
|
||||
struct virtkey *getKeyInternal();
|
||||
void selectNext(int dx, int dy);
|
||||
void toggleShift();
|
||||
|
||||
TTF_Font *font;
|
||||
int sel_x;
|
||||
int sel_y;
|
||||
bool shift_on;
|
||||
|
||||
char buf[255];
|
||||
};
|
||||
Loading…
x
Reference in New Issue
Block a user