mirror of
https://github.com/Oibaf66/frodo-wii.git
synced 2024-11-23 03:49:26 +01:00
Handle real keyboard input for the virtual keyboard
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2c359032c2
commit
224ec1dbe7
@ -23,6 +23,13 @@ typedef struct virtkey
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bool is_done;
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} virtkey_t;
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#define INVALID_VIRTKEY ((struct virtkey){NULL, -1, false, false})
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static inline bool IS_INVALID_VIRTKEY(virtkey_t *k)
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{
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return k->name == NULL && k->kc == -1 &&
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k->is_done == false && k->is_shift == false;
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}
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/*
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C64 keyboard matrix:
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@ -65,9 +72,9 @@ static virtkey_t keys[KEY_COLS * KEY_ROWS] = {
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static const char *shifted_names[KEY_COLS * KEY_ROWS] = {
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NULL, "!", "\"", "#", "$", "%", "&", "'", "(", ")", NULL, NULL, NULL, NULL, "Clr",
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "[", "]", NULL, NULL,
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "<", ">", "?", "Up", "Lft",
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NULL, "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", NULL, NULL, NULL, NULL,
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NULL, NULL, "a", "s", "d", "f", "g", "h", "j", "k", "l", "[", "]", NULL, NULL,
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NULL, NULL, NULL, "z", "x", "c", "v", "b", "n", "m", "<", ">", "?", "Up", "Lft",
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NULL, NULL, NULL, NULL, NULL, NULL, "f2", "f4", "f6", "f8", "Ins", NULL, NULL, NULL, NULL,
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};
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@ -80,8 +87,10 @@ VirtualKeyboard::VirtualKeyboard(Font *font) : GuiView()
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this->is_active = false;
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this->buf_head = 0;
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this->buf_len = 255;
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this->buf = (struct virtkey*)xmalloc(sizeof(struct virtkey) * this->buf_len);
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memset(this->buf, 0, sizeof(struct virtkey) * this->buf_len);
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memset(this->buf, 0, sizeof(this->buf));
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this->flushListeners();
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}
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@ -205,6 +214,36 @@ int VirtualKeyboard::charToKeycode(char c)
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return -1;
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}
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virtkey_t VirtualKeyboard::eventToVirtkey(event_t ev)
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{
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char c = (char)ev;
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for (int i = 0; i < KEY_COLS * KEY_ROWS; i++)
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{
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virtkey_t key = keys[i];
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if (key.name != NULL)
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{
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if (strlen(key.name) == 1)
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{
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if (key.name[0] == c)
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return key;
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if (shifted_names[i] && strlen(shifted_names[i]) == 1 &&
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shifted_names[i][0] == c)
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return key;
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}
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/* OK, ugly special cases, but these are pretty important */
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if ( (c == ' ' && strcmp(key.name, "space") == 0) ||
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(c == '\n' && strcmp(key.name, "Ret") == 0) )
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return key;
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}
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}
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return INVALID_VIRTKEY;
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}
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const char VirtualKeyboard::keycodeToChar(int kc)
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{
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const char *s = this->keycodeToString(kc);
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@ -253,7 +292,7 @@ void VirtualKeyboard::unregisterListener(KeyboardListener *kl)
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void VirtualKeyboard::activate()
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{
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this->is_active = true;
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memset(this->buf, 0, sizeof(this->buf));
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memset(this->buf, 0, sizeof(struct virtkey) * this->buf_len);
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this->buf_head = 0;
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}
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@ -261,6 +300,7 @@ void VirtualKeyboard::activate()
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void VirtualKeyboard::runLogic()
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{
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event_t ev;
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virtkey_t ev_key;
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if (!this->is_active)
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return;
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@ -269,6 +309,12 @@ void VirtualKeyboard::runLogic()
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if (ev == EVENT_NONE)
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return;
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/* Something was typed on the keyboard */
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ev_key = this->eventToVirtkey(ev);
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if ( !IS_INVALID_VIRTKEY(&ev_key) ) {
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this->pushKey(&ev_key);
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}
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if (ev & KEY_UP)
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this->selectNext(0, -1);
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else if (ev & KEY_DOWN)
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@ -288,46 +334,36 @@ void VirtualKeyboard::runLogic()
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if (key->is_shift == true)
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this->toggleShift();
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else if (key->is_done)
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{
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int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
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for (int i = 0; i < n_listeners; i++)
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{
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if (this->listeners[i])
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this->listeners[i]->stringCallback(this->buf);
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}
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/* We're done! */
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this->deactivate();
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}
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else if (key->is_done) /* We're done! */
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this->done();
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else if (strcmp(key->name, "Del") == 0)
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{
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if (this->buf_head > 1)
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{
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this->buf[this->buf_head - 1] = ' ';
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this->buf[this->buf_head - 1] = (struct virtkey){NULL, -1, false, false};
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this->buf_head -= 2;
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}
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}
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else
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{
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int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
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char c;
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this->pushKey(key);
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}
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}
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/* Add to buf */
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c = this->keycodeToChar( this->shift_on ? key->kc | 0x80 : key->kc );
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void VirtualKeyboard::pushKey(struct virtkey *vk)
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{
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int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
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this->buf[this->buf_head] = c;
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/* Add to buf */
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this->buf[this->buf_head] = *vk;
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this->buf_head++;
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if (this->buf_head >= sizeof(this->buf) - 1)
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this->buf_head = 0; /* OK, not good, but well... */
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for (int i = 0; i < n_listeners; i++)
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{
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if (this->listeners[i])
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this->listeners[i]->keyCallback(this->shift_on,
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key->name);
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}
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}
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this->buf_head++;
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if (this->buf_head >= this->buf_len - 1)
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this->buf_head = 0; /* OK, not good, but well... */
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for (int i = 0; i < n_listeners; i++)
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{
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if (this->listeners[i])
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this->listeners[i]->keyCallback(this->shift_on,
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vk->name);
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}
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}
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@ -343,6 +379,23 @@ void VirtualKeyboard::deactivate()
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Gui::gui->popView();
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}
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void VirtualKeyboard::done()
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{
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int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
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char *buf = (char *)xmalloc(this->buf_head + 1);
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for (unsigned i = 0; i < this->buf_head; i++)
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buf[i] = this->keycodeToChar(this->buf[i].kc);
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for (int i = 0; i < n_listeners; i++)
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{
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if (this->listeners[i])
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this->listeners[i]->stringCallback(buf);
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}
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free(buf);
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this->deactivate();
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}
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void VirtualKeyboard::draw(SDL_Surface *where)
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{
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this->draw(where, 20, 240, 600, 240);
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@ -353,6 +406,36 @@ void VirtualKeyboard::updateTheme()
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this->setFont(Gui::gui->small_font);
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}
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void VirtualKeyboard::pushEvent(SDL_Event *ev)
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{
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switch(ev->type)
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{
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case SDL_KEYDOWN:
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switch (ev->key.keysym.sym)
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{
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case SDLK_UP:
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case SDLK_DOWN:
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case SDLK_LEFT:
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case SDLK_RIGHT:
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case SDLK_PAGEDOWN:
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case SDLK_PAGEUP:
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case SDLK_RETURN:
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case SDLK_HOME:
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case SDLK_ESCAPE:
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/* Handle via the standard widget implementation (except for space) */
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Widget::pushEvent(ev);
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return;
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case SDLK_SPACE ... SDLK_z:
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Widget::pushEvent((event_t)(ev->key.keysym.sym));
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default:
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break;
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}
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default:
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break;
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}
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}
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/* The singleton */
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VirtualKeyboard *VirtualKeyboard::kbd;
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@ -48,6 +48,7 @@ public:
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const char keycodeToChar(int kc);
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int charToKeycode(char c);
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int stringToKeycode(const char *str);
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struct virtkey eventToVirtkey(event_t ev);
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void activate();
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@ -71,14 +72,21 @@ public:
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void draw(SDL_Surface *where, int x, int y, int w, int h);
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void pushEvent(SDL_Event *ev);
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/* Singleton object */
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static VirtualKeyboard *kbd;
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private:
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KeyboardListener *listeners[8];
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void selectNext(int dx, int dy);
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void toggleShift();
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void pushKey(struct virtkey *vk);
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void done();
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void flushListeners();
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Font *font;
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@ -87,8 +95,9 @@ private:
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bool shift_on;
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bool is_active;
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char buf[255];
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struct virtkey *buf;
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unsigned buf_head;
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size_t buf_len;
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};
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#endif /* __VIRTUAL_KEYBORD_HH__ */
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