SDL - Simple DirectMedia Layer

Copyright (C) 1997-2006 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library 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. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

/* Handle the event stream, converting DirectFB input events into SDL events */

#include <directfb.h>

#include "../SDL_sysvideo.h"

#include "../../events/SDL_sysevents.h"

#include "../../events/SDL_events_c.h"

#include "../../events/SDL_keyboard_c.h"

#include "../../events/scancodes_linux.h"

#include "SDL_DirectFB_events.h"

/* The translation tables from a DirectFB keycode to a SDL keysym */

static SDLKey keymap[256];

static void

DirectFB_SetContext(_THIS, SDL_WindowID id)

{

#if (DIRECTFB_MAJOR_VERSION >= 1)

/* FIXME: does not work on 1.0/1.2 with radeon driver

* the approach did work with the matrox driver

*/

SDL_Window *window = SDL_GetWindowFromID(id);

SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);

DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;

int ret;

if (dispdata->vidIDinuse)

SDL_DFB_CHECKERR(dispdata->vidlayer->

SwitchContext(dispdata->vidlayer, DFB_TRUE));

error:

return;

#endif

}

SDL_DFB_DEVICEDATA(_this);

DFB_WindowData *p;

DFBWindowEvent evt;

DFBInputEvent ievt;

SDL_WindowID grabbed_window;

grabbed_window = -1;

SDL_Window *w = SDL_GetWindowFromID(p->id);

if (w->flags & SDL_WINDOW_INPUT_GRABBED) {

grabbed_window = p->id;

}

while (p->eventbuffer->GetEvent(p->eventbuffer,

DFB_EVENT(&evt)) == DFB_OK) {

SDL_keysym keysym;

switch (evt.type) {

case DWET_BUTTONDOWN:

SDL_SendMouseButton(devdata->mouse, SDL_PRESSED,

DirectFB_TranslateButton(evt.button));

break;

case DWET_BUTTONUP:

SDL_SendMouseButton(devdata->mouse, SDL_RELEASED,

DirectFB_TranslateButton(evt.button));

break;

case DWET_MOTION:

if (!(w->flags & SDL_WINDOW_INPUT_GRABBED))

SDL_SendMouseMotion(devdata->mouse, 0, evt.cx, evt.cy,

0);

break;

case DWET_KEYDOWN:

keysym.scancode);

if (SDL_EventState(SDL_TEXTINPUT, SDL_QUERY)) {

SDL_memcpy(text, &keysym.unicode, 4);

text[4] = 0;

if (*text) {

SDL_SendKeyboardText(devdata->keyboard, text);

}

}

break;

case DWET_KEYUP:

break;

case DWET_POSITION_SIZE:

if (evt.x != w->x || evt.y != w->y)

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_MOVED,

evt.x, evt.y);

if (evt.w != w->w || evt.h != w->h)

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_RESIZED,

evt.w, evt.h);

break;

case DWET_POSITION:

if (evt.x != w->x || evt.y != w->y)

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_MOVED,

evt.x, evt.y);

break;

case DWET_SIZE:

if (evt.w != w->w || evt.h != w->h)

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_RESIZED,

evt.w, evt.h);

break;

case DWET_CLOSE:

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_CLOSE, 0, 0);

break;

case DWET_GOTFOCUS:

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_FOCUS_GAINED,

0, 0);

break;

case DWET_LOSTFOCUS:

SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_FOCUS_LOST, 0,

0);

SDL_SetKeyboardFocus(devdata->keyboard, 0);

break;

case DWET_ENTER:

break;

case DWET_LEAVE:

break;

default:

;

}

} else

printf("Event Clazz %d\n", evt.clazz);

}

}

/* Now get relative events in case we need them */

while (devdata->events->GetEvent(devdata->events,

DFB_EVENT(&ievt)) == DFB_OK) {

if (grabbed_window >= 0) {

switch (ievt.type) {

case DIET_AXISMOTION:

if (ievt.flags & DIEF_AXISREL) {

if (ievt.axis == DIAI_X)

SDL_SendMouseMotion(devdata->mouse, 1, ievt.axisrel,

0, 0);

else if (ievt.axis == DIAI_Y)

SDL_SendMouseMotion(devdata->mouse, 1, 0,

ievt.axisrel, 0);

}

break;

default:

;

}

}

}

}

void

DirectFB_InitOSKeymap(_THIS)

int i;

/* Initialize the DirectFB key translation table */

for (i = 0; i < SDL_arraysize(keymap); ++i)

keymap[i] = SDL_SCANCODE_UNKNOWN;

keymap[DIKI_A - DIKI_UNKNOWN] = SDL_SCANCODE_A;

keymap[DIKI_B - DIKI_UNKNOWN] = SDL_SCANCODE_B;

keymap[DIKI_C - DIKI_UNKNOWN] = SDL_SCANCODE_C;

keymap[DIKI_D - DIKI_UNKNOWN] = SDL_SCANCODE_D;

keymap[DIKI_E - DIKI_UNKNOWN] = SDL_SCANCODE_E;

keymap[DIKI_F - DIKI_UNKNOWN] = SDL_SCANCODE_F;

keymap[DIKI_G - DIKI_UNKNOWN] = SDL_SCANCODE_G;

keymap[DIKI_H - DIKI_UNKNOWN] = SDL_SCANCODE_H;

keymap[DIKI_I - DIKI_UNKNOWN] = SDL_SCANCODE_I;

keymap[DIKI_J - DIKI_UNKNOWN] = SDL_SCANCODE_J;

keymap[DIKI_K - DIKI_UNKNOWN] = SDL_SCANCODE_K;

keymap[DIKI_L - DIKI_UNKNOWN] = SDL_SCANCODE_L;

keymap[DIKI_M - DIKI_UNKNOWN] = SDL_SCANCODE_M;

keymap[DIKI_N - DIKI_UNKNOWN] = SDL_SCANCODE_N;

keymap[DIKI_O - DIKI_UNKNOWN] = SDL_SCANCODE_O;

keymap[DIKI_P - DIKI_UNKNOWN] = SDL_SCANCODE_P;

keymap[DIKI_Q - DIKI_UNKNOWN] = SDL_SCANCODE_Q;

keymap[DIKI_R - DIKI_UNKNOWN] = SDL_SCANCODE_R;

keymap[DIKI_S - DIKI_UNKNOWN] = SDL_SCANCODE_S;

keymap[DIKI_T - DIKI_UNKNOWN] = SDL_SCANCODE_T;

keymap[DIKI_U - DIKI_UNKNOWN] = SDL_SCANCODE_U;

keymap[DIKI_V - DIKI_UNKNOWN] = SDL_SCANCODE_V;

keymap[DIKI_W - DIKI_UNKNOWN] = SDL_SCANCODE_W;

keymap[DIKI_X - DIKI_UNKNOWN] = SDL_SCANCODE_X;

keymap[DIKI_Y - DIKI_UNKNOWN] = SDL_SCANCODE_Y;

keymap[DIKI_Z - DIKI_UNKNOWN] = SDL_SCANCODE_Z;

keymap[DIKI_0 - DIKI_UNKNOWN] = SDL_SCANCODE_0;

keymap[DIKI_1 - DIKI_UNKNOWN] = SDL_SCANCODE_1;

keymap[DIKI_2 - DIKI_UNKNOWN] = SDL_SCANCODE_2;

keymap[DIKI_3 - DIKI_UNKNOWN] = SDL_SCANCODE_3;

keymap[DIKI_4 - DIKI_UNKNOWN] = SDL_SCANCODE_4;

keymap[DIKI_5 - DIKI_UNKNOWN] = SDL_SCANCODE_5;

keymap[DIKI_6 - DIKI_UNKNOWN] = SDL_SCANCODE_6;

keymap[DIKI_7 - DIKI_UNKNOWN] = SDL_SCANCODE_7;

keymap[DIKI_8 - DIKI_UNKNOWN] = SDL_SCANCODE_8;

keymap[DIKI_9 - DIKI_UNKNOWN] = SDL_SCANCODE_9;

keymap[DIKI_F1 - DIKI_UNKNOWN] = SDL_SCANCODE_F1;

keymap[DIKI_F2 - DIKI_UNKNOWN] = SDL_SCANCODE_F2;

keymap[DIKI_F3 - DIKI_UNKNOWN] = SDL_SCANCODE_F3;

keymap[DIKI_F4 - DIKI_UNKNOWN] = SDL_SCANCODE_F4;

keymap[DIKI_F5 - DIKI_UNKNOWN] = SDL_SCANCODE_F5;

keymap[DIKI_F6 - DIKI_UNKNOWN] = SDL_SCANCODE_F6;

keymap[DIKI_F7 - DIKI_UNKNOWN] = SDL_SCANCODE_F7;

keymap[DIKI_F8 - DIKI_UNKNOWN] = SDL_SCANCODE_F8;

keymap[DIKI_F9 - DIKI_UNKNOWN] = SDL_SCANCODE_F9;

keymap[DIKI_F10 - DIKI_UNKNOWN] = SDL_SCANCODE_F10;

keymap[DIKI_F11 - DIKI_UNKNOWN] = SDL_SCANCODE_F11;

keymap[DIKI_F12 - DIKI_UNKNOWN] = SDL_SCANCODE_F12;

keymap[DIKI_ESCAPE - DIKI_UNKNOWN] = SDL_SCANCODE_ESCAPE;

keymap[DIKI_LEFT - DIKI_UNKNOWN] = SDL_SCANCODE_LEFT;

keymap[DIKI_RIGHT - DIKI_UNKNOWN] = SDL_SCANCODE_RIGHT;

keymap[DIKI_UP - DIKI_UNKNOWN] = SDL_SCANCODE_UP;

keymap[DIKI_DOWN - DIKI_UNKNOWN] = SDL_SCANCODE_DOWN;

keymap[DIKI_CONTROL_L - DIKI_UNKNOWN] = SDL_SCANCODE_LCTRL;

keymap[DIKI_CONTROL_R - DIKI_UNKNOWN] = SDL_SCANCODE_RCTRL;

keymap[DIKI_SHIFT_L - DIKI_UNKNOWN] = SDL_SCANCODE_LSHIFT;

keymap[DIKI_SHIFT_R - DIKI_UNKNOWN] = SDL_SCANCODE_RSHIFT;

keymap[DIKI_ALT_L - DIKI_UNKNOWN] = SDL_SCANCODE_LALT;

keymap[DIKI_ALT_R - DIKI_UNKNOWN] = SDL_SCANCODE_RALT;

keymap[DIKI_META_L - DIKI_UNKNOWN] = SDL_SCANCODE_LGUI;

keymap[DIKI_META_R - DIKI_UNKNOWN] = SDL_SCANCODE_RGUI;

keymap[DIKI_SUPER_L - DIKI_UNKNOWN] = SDL_SCANCODE_APPLICATION;

keymap[DIKI_SUPER_R - DIKI_UNKNOWN] = SDL_SCANCODE_APPLICATION;

/* FIXME:Do we read hyper keys ?

* keymap[DIKI_HYPER_L - DIKI_UNKNOWN] = SDL_SCANCODE_APPLICATION;

* keymap[DIKI_HYPER_R - DIKI_UNKNOWN] = SDL_SCANCODE_APPLICATION;

*/

keymap[DIKI_TAB - DIKI_UNKNOWN] = SDL_SCANCODE_TAB;

keymap[DIKI_ENTER - DIKI_UNKNOWN] = SDL_SCANCODE_RETURN;

keymap[DIKI_SPACE - DIKI_UNKNOWN] = SDL_SCANCODE_SPACE;

keymap[DIKI_BACKSPACE - DIKI_UNKNOWN] = SDL_SCANCODE_BACKSPACE;

keymap[DIKI_INSERT - DIKI_UNKNOWN] = SDL_SCANCODE_INSERT;

keymap[DIKI_DELETE - DIKI_UNKNOWN] = SDL_SCANCODE_DELETE;

keymap[DIKI_HOME - DIKI_UNKNOWN] = SDL_SCANCODE_HOME;

keymap[DIKI_END - DIKI_UNKNOWN] = SDL_SCANCODE_END;

keymap[DIKI_PAGE_UP - DIKI_UNKNOWN] = SDL_SCANCODE_PAGEUP;

keymap[DIKI_PAGE_DOWN - DIKI_UNKNOWN] = SDL_SCANCODE_PAGEDOWN;

keymap[DIKI_CAPS_LOCK - DIKI_UNKNOWN] = SDL_SCANCODE_CAPSLOCK;

keymap[DIKI_NUM_LOCK - DIKI_UNKNOWN] = SDL_SCANCODE_NUMLOCKCLEAR;

keymap[DIKI_SCROLL_LOCK - DIKI_UNKNOWN] = SDL_SCANCODE_SCROLLLOCK;

keymap[DIKI_PRINT - DIKI_UNKNOWN] = SDL_SCANCODE_PRINTSCREEN;

keymap[DIKI_PAUSE - DIKI_UNKNOWN] = SDL_SCANCODE_PAUSE;

keymap[DIKI_KP_EQUAL - DIKI_UNKNOWN] = SDL_SCANCODE_KP_EQUALS;

keymap[DIKI_KP_DECIMAL - DIKI_UNKNOWN] = SDL_SCANCODE_KP_PERIOD;

keymap[DIKI_KP_0 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_0;

keymap[DIKI_KP_1 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_1;

keymap[DIKI_KP_2 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_2;

keymap[DIKI_KP_3 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_3;

keymap[DIKI_KP_4 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_4;

keymap[DIKI_KP_5 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_5;

keymap[DIKI_KP_6 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_6;

keymap[DIKI_KP_7 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_7;

keymap[DIKI_KP_8 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_8;

keymap[DIKI_KP_9 - DIKI_UNKNOWN] = SDL_SCANCODE_KP_9;

keymap[DIKI_KP_DIV - DIKI_UNKNOWN] = SDL_SCANCODE_KP_DIVIDE;

keymap[DIKI_KP_MULT - DIKI_UNKNOWN] = SDL_SCANCODE_KP_MULTIPLY;

keymap[DIKI_KP_MINUS - DIKI_UNKNOWN] = SDL_SCANCODE_KP_MINUS;

keymap[DIKI_KP_PLUS - DIKI_UNKNOWN] = SDL_SCANCODE_KP_PLUS;

keymap[DIKI_KP_ENTER - DIKI_UNKNOWN] = SDL_SCANCODE_KP_ENTER;

keymap[DIKI_QUOTE_LEFT - DIKI_UNKNOWN] = SDL_SCANCODE_GRAVE; /* TLDE */

keymap[DIKI_MINUS_SIGN - DIKI_UNKNOWN] = SDL_SCANCODE_MINUS; /* AE11 */

keymap[DIKI_EQUALS_SIGN - DIKI_UNKNOWN] = SDL_SCANCODE_EQUALS; /* AE12 */

keymap[DIKI_BRACKET_LEFT - DIKI_UNKNOWN] = SDL_SCANCODE_RIGHTBRACKET; /* AD11 */

keymap[DIKI_BRACKET_RIGHT - DIKI_UNKNOWN] = SDL_SCANCODE_LEFTBRACKET; /* AD12 */

keymap[DIKI_BACKSLASH - DIKI_UNKNOWN] = SDL_SCANCODE_BACKSLASH; /* BKSL */

keymap[DIKI_SEMICOLON - DIKI_UNKNOWN] = SDL_SCANCODE_SEMICOLON; /* AC10 */

keymap[DIKI_QUOTE_RIGHT - DIKI_UNKNOWN] = SDL_SCANCODE_APOSTROPHE; /* AC11 */

keymap[DIKI_COMMA - DIKI_UNKNOWN] = SDL_SCANCODE_COMMA; /* AB08 */

keymap[DIKI_PERIOD - DIKI_UNKNOWN] = SDL_SCANCODE_PERIOD; /* AB09 */

keymap[DIKI_SLASH - DIKI_UNKNOWN] = SDL_SCANCODE_SLASH; /* AB10 */

keymap[DIKI_LESS_SIGN - DIKI_UNKNOWN] = SDL_SCANCODE_NONUSBACKSLASH; /* 103rd */

if (evt->key_code >= 0

&& evt->key_code < SDL_arraysize(linux_scancode_table))

else

keysym->scancode = SDL_SCANCODE_UNKNOWN;

if (keysym->scancode == SDL_SCANCODE_UNKNOWN || devdata->kbdgeneric) {

if (evt->key_id - DIKI_UNKNOWN < SDL_arraysize(keymap))

keysym->scancode = keymap[evt->key_id - DIKI_UNKNOWN];

else

keysym->scancode = SDL_SCANCODE_UNKNOWN;

}

keysym->unicode =

(DFB_KEY_TYPE(evt->key_symbol) == DIKT_UNICODE) ? evt->key_symbol : 0;

if (keysym->unicode == 0

&& (evt->key_symbol > 0 && evt->key_symbol < 255))

keysym->unicode = evt->key_symbol;

return keysym;

}

}

}

static DFBEnumerationResult

input_device_cb(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,

void *callbackdata)

{

DFB_DeviceData *devdata = callbackdata;

SDL_Keyboard keyboard;

SDLKey keymap[SDL_NUM_SCANCODES];

if ((desc.caps & DIDTF_KEYBOARD) && device_id == DIDID_KEYBOARD) {

SDL_zero(keyboard);

devdata->keyboard = SDL_AddKeyboard(&keyboard, -1);

if (!strncmp("X11", desc.name, 3))

devdata->kbdgeneric = 1;

SDL_GetDefaultKeymap(keymap);

SDL_SetKeymap(devdata->keyboard, 0, keymap, SDL_NUM_SCANCODES);

}

return DFB_OK;

}

void

DirectFB_InitKeyboard(_THIS)

{

SDL_DFB_DEVICEDATA(_this);

int ret;

DirectFB_InitOSKeymap(_this);

devdata->kbdgeneric = 0;

SDL_DFB_CHECK(devdata->dfb->

EnumInputDevices(devdata->dfb, input_device_cb, devdata));

}

void

DirectFB_QuitKeyboard(_THIS)

{

SDL_DFB_DEVICEDATA(_this);

int ret;

SDL_DelKeyboard(devdata->keyboard);

}

void

DirectFB_PumpEvents(_THIS)

{

SDL_DFB_DEVICEDATA(_this);

DFBInputEvent evt;

static last_x = 0, last_y = 0;

while (devdata->eventbuffer->GetEvent(devdata->eventbuffer,

DFB_EVENT(&evt)) == DFB_OK) {

SDL_keysym keysym;

DFBInputDeviceModifierMask mod;

if (evt.clazz = DFEC_INPUT) {

if (evt.flags & DIEF_MODIFIERS)

mod = evt.modifiers;

else

mod = 0;

switch (evt.type) {

case DIET_BUTTONPRESS:

posted += SDL_PrivateMouseButton(SDL_PRESSED,

DirectFB_TranslateButton(evt.

button),

0, 0);

break;

case DIET_BUTTONRELEASE:

posted += SDL_PrivateMouseButton(SDL_RELEASED,

DirectFB_TranslateButton(evt.

button),

0, 0);

break;

case DIET_KEYPRESS:

posted += SDL_PrivateKeyboard(SDL_PRESSED,

DirectFB_TranslateKey(evt.

key_id,

evt.

key_symbol,

mod,

&keysym));

break;

case DIET_KEYRELEASE:

posted += SDL_PrivateKeyboard(SDL_RELEASED,

DirectFB_TranslateKey(evt.

key_id,

evt.

key_symbol,

mod,

&keysym));

break;

case DIET_AXISMOTION:

if (evt.flags & DIEF_AXISREL) {

if (evt.axis == DIAI_X)

posted +=

SDL_PrivateMouseMotion(0, 1, evt.axisrel, 0);

else if (evt.axis == DIAI_Y)

posted +=

SDL_PrivateMouseMotion(0, 1, 0, evt.axisrel);

} else if (evt.flags & DIEF_AXISABS) {

if (evt.axis == DIAI_X)

last_x = evt.axisabs;

else if (evt.axis == DIAI_Y)

last_y = evt.axisabs;

posted += SDL_PrivateMouseMotion(0, 0, last_x, last_y);

}

break;

default:

;

}

}

}

}

#endif