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SDL_DirectFB_events.c
428 lines (386 loc) · 17.4 KB
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/*
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SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
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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.
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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.
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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
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Sam Lantinga
slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Handle the event stream, converting DirectFB input events into SDL events */
#include <directfb.h>
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#include "../SDL_sysvideo.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
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#include "../../events/SDL_keyboard_c.h"
#include "../../events/scancodes_linux.h"
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#include "SDL_DirectFB_events.h"
/* The translation tables from a DirectFB keycode to a SDL keysym */
static SDLKey keymap[256];
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static SDL_keysym *DirectFB_TranslateKey(_THIS, DFBWindowEvent * evt,
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SDL_keysym * keysym);
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static void DirectFB_InitOSKeymap(_THIS);
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static int DirectFB_TranslateButton(DFBInputDeviceButtonIdentifier button);
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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
* Perhaps make this depending on env var, e.g. SDLDIRECTFB_SWITCHCONTEXT_SUPPORTED
*/
if (getenv("SDLDIRECTFB_SWITCHCONTEXT_SUPPORTED") != NULL) {
SDL_DFB_DEVICEDATA(_this);
SDL_Window *window = SDL_GetWindowFromID(id);
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
if (dispdata->vidID >= 0 && dispdata->vidIDinuse) {
IDirectFBDisplayLayer *lay = NULL;
devdata->dfb->GetDisplayLayer(devdata->dfb, dispdata->vidID,
&lay);
if (lay)
lay->SwitchContext(lay, DFB_TRUE);
}
}
#endif
}
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void
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DirectFB_PumpEventsWindow(_THIS)
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{
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SDL_DFB_DEVICEDATA(_this);
DFB_WindowData *p;
DFBWindowEvent evt;
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char text[5];
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for (p = devdata->firstwin; p != NULL; p = p->next) {
while (p->eventbuffer->GetEvent(p->eventbuffer,
DFB_EVENT(&evt)) == DFB_OK) {
SDL_keysym keysym;
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if (evt.clazz = DFEC_WINDOW) {
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:
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SDL_SendMouseMotion(devdata->mouse, 0, evt.cx, evt.cy);
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break;
case DWET_KEYDOWN:
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DirectFB_TranslateKey(_this, &evt, &keysym);
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SDL_SendKeyboardKey(devdata->keyboard, SDL_PRESSED,
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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);
}
}
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break;
case DWET_KEYUP:
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DirectFB_TranslateKey(_this, &evt, &keysym);
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SDL_SendKeyboardKey(devdata->keyboard, SDL_RELEASED,
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keysym.scancode);
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break;
case DWET_POSITION_SIZE:
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_MOVED, evt.x,
evt.y);
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_RESIZED, evt.w,
evt.h);
break;
case DWET_POSITION:
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_MOVED, evt.x,
evt.y);
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break;
case DWET_SIZE:
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:
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DirectFB_SetContext(_this, p->id);
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SDL_SetKeyboardFocus(devdata->keyboard, p->id);
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_FOCUS_GAINED,
0, 0);
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break;
case DWET_LOSTFOCUS:
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_FOCUS_LOST, 0,
0);
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SDL_SetKeyboardFocus(devdata->keyboard, 0);
break;
case DWET_ENTER:
//SDL_DirectFB_ReshowCursor(_this, 0);
SDL_SetMouseFocus(devdata->mouse, p->id);
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_ENTER, 0, 0);
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break;
case DWET_LEAVE:
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SDL_SendWindowEvent(p->id, SDL_WINDOWEVENT_LEAVE, 0, 0);
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SDL_SetMouseFocus(devdata->mouse, 0);
//SDL_DirectFB_ReshowCursor(_this, 1);
break;
default:
;
}
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}
}
}
}
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void
DirectFB_InitOSKeymap(_THIS)
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{
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int i;
/* Initialize the DirectFB key translation table */
for (i = 0; i < SDL_arraysize(keymap); ++i)
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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 */
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}
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static SDL_keysym *
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DirectFB_TranslateKey(_THIS, DFBWindowEvent * evt, SDL_keysym * keysym)
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{
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SDL_DFB_DEVICEDATA(_this);
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if (evt->key_code >= 0
&& evt->key_code < SDL_arraysize(linux_scancode_table))
keysym->scancode = linux_scancode_table[evt->key_code]; // key_id;
else
keysym->scancode = SDL_SCANCODE_UNKNOWN;
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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;
}
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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;
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return keysym;
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}
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static int
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DirectFB_TranslateButton(DFBInputDeviceButtonIdentifier button)
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{
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switch (button) {
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case DIBI_LEFT:
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return 1;
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case DIBI_MIDDLE:
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return 2;
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case DIBI_RIGHT:
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return 3;
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default:
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return 0;
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}
}
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static DFBEnumerationResult
input_device_cb(DFBInputDeviceID device_id, DFBInputDeviceDescription desc,
void *callbackdata)
{
DFB_DeviceData *devdata = callbackdata;
SDL_Keyboard keyboard;
SDL_scancode scancode;
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));
}
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#if 0
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/* FIXME: Remove once determined this is not needed in fullscreen mode */
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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,
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DirectFB_TranslateButton
(evt.button), 0, 0);
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break;
case DIET_BUTTONRELEASE:
posted += SDL_PrivateMouseButton(SDL_RELEASED,
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DirectFB_TranslateButton
(evt.button), 0, 0);
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break;
case DIET_KEYPRESS:
posted += SDL_PrivateKeyboard(SDL_PRESSED,
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DirectFB_TranslateKey
(evt.key_id, evt.key_symbol,
mod, &keysym));
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break;
case DIET_KEYRELEASE:
posted += SDL_PrivateKeyboard(SDL_RELEASED,
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DirectFB_TranslateKey
(evt.key_id, evt.key_symbol,
mod, &keysym));
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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