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SDL_photon_input.c
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SDL_photon_input.c
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 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
QNX Photon GUI SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
*/
#include "SDL_photon_input.h"
#include "SDL_config.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_keyboard_c.h"
#include "SDL_photon_keycodes.h"
/* Mouse related functions */
SDL_Cursor *photon_createcursor(SDL_Surface * surface, int hot_x, int hot_y);
int photon_showcursor(SDL_Cursor * cursor);
void photon_movecursor(SDL_Cursor * cursor);
void photon_freecursor(SDL_Cursor * cursor);
void photon_warpmouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y);
void photon_freemouse(SDL_Mouse * mouse);
int32_t
photon_addinputdevices(_THIS)
{
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata = NULL;
struct SDL_Mouse photon_mouse;
SDL_MouseData *mdata = NULL;
SDL_Keyboard photon_keyboard;
SDLKey keymap[SDL_NUM_SCANCODES];
uint32_t it;
for (it = 0; it < _this->num_displays; it++) {
SDL_VideoDisplay *display = &_this->displays[it];
/* Clear SDL mouse structure */
SDL_memset(&photon_mouse, 0x00, sizeof(struct SDL_Mouse));
/* Allocate SDL_MouseData structure */
mdata = (SDL_MouseData *) SDL_calloc(1, sizeof(SDL_MouseData));
if (mdata == NULL) {
SDL_OutOfMemory();
return -1;
}
/* Mark this mouse with ID 0 */
photon_mouse.id = it;
photon_mouse.driverdata = (void *) mdata;
photon_mouse.CreateCursor = photon_createcursor;
photon_mouse.ShowCursor = photon_showcursor;
photon_mouse.MoveCursor = photon_movecursor;
photon_mouse.FreeCursor = photon_freecursor;
photon_mouse.WarpMouse = photon_warpmouse;
photon_mouse.FreeMouse = photon_freemouse;
/* Get display data */
didata = (SDL_DisplayData *) display->driverdata;
/* Store SDL_DisplayData pointer in the mouse driver internals */
mdata->didata = didata;
/* Register mouse cursor in SDL */
SDL_AddMouse(&photon_mouse, "Photon mouse cursor", 0, 0, 1);
}
/* Photon maps all keyboards to one */
SDL_zero(photon_keyboard);
SDL_AddKeyboard(&photon_keyboard, -1);
/* Add default scancode to key mapping */
SDL_GetDefaultKeymap(keymap);
SDL_SetKeymap(0, 0, keymap, SDL_NUM_SCANCODES);
return 0;
}
int32_t
photon_delinputdevices(_THIS)
{
/* Destroy all of the mice */
SDL_MouseQuit();
}
/*****************************************************************************/
/* Photon mouse related functions */
/*****************************************************************************/
SDL_Cursor *
photon_createcursor(SDL_Surface * surface, int hot_x, int hot_y)
{
PhCursorDef_t *internal_cursor;
SDL_Cursor *sdl_cursor;
uint8_t *image0 = NULL;
uint8_t *image1 = NULL;
uint32_t it;
uint32_t jt;
uint32_t shape_color;
/* SDL converts monochrome cursor shape to 32bpp cursor shape */
/* and we must convert it back to monochrome, this routine handles */
/* 24/32bpp surfaces only */
if ((surface->format->BitsPerPixel != 32)
&& (surface->format->BitsPerPixel != 24)) {
SDL_SetError("Photon: Cursor shape is not 24/32bpp.");
return NULL;
}
/* Checking data parameters */
if ((surface->w == 0) || (surface->h == 0)) {
SDL_SetError("Photon: Cursor shape dimensions are zero");
return NULL;
}
/* Allocate memory for the internal cursor format */
internal_cursor = (PhCursorDef_t *) SDL_calloc(1, sizeof(PhCursorDef_t) +
((((surface->w +
7) >> 3) *
surface->h) * 2) - 1);
if (internal_cursor == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* Allocate memory for the SDL cursor */
sdl_cursor = (SDL_Cursor *) SDL_calloc(1, sizeof(SDL_Cursor));
if (sdl_cursor == NULL) {
SDL_free(internal_cursor);
SDL_OutOfMemory();
return NULL;
}
/* Set driverdata as photon cursor format */
image0 = (uint8_t *) internal_cursor;
image0 += sizeof(PhCursorDef_t) - 1;
image1 = image0;
image1 += ((surface->w + 7) >> 3) * surface->h;
sdl_cursor->driverdata = (void *) internal_cursor;
internal_cursor->hdr.len =
(sizeof(PhCursorDef_t) - sizeof(PhRegionDataHdr_t)) +
((((surface->w + 7) >> 3) * surface->h) * 2) - 1;
internal_cursor->hdr.type = Ph_RDATA_CURSOR;
internal_cursor->size1.x = surface->w;
internal_cursor->size1.y = surface->h;
internal_cursor->size2.x = surface->w;
internal_cursor->size2.y = surface->h;
internal_cursor->offset1.x = -hot_x;
internal_cursor->offset1.y = -hot_y;
internal_cursor->offset2.x = -hot_x;
internal_cursor->offset2.y = -hot_y;
internal_cursor->bytesperline1 = ((surface->w + 7) >> 3);
internal_cursor->bytesperline2 = ((surface->w + 7) >> 3);
internal_cursor->color1 = (SDL_PHOTON_MOUSE_COLOR_BLACK) & 0x00FFFFFF;
internal_cursor->color2 = (SDL_PHOTON_MOUSE_COLOR_WHITE) & 0x00FFFFFF;
/* Convert cursor from 32 bpp */
for (jt = 0; jt < surface->h; jt++) {
for (it = 0; it < surface->w; it++) {
shape_color =
*((uint32_t *) ((uint8_t *) surface->pixels +
jt * surface->pitch +
it * surface->format->BytesPerPixel));
switch (shape_color) {
case SDL_PHOTON_MOUSE_COLOR_BLACK:
{
*(image0 + jt * (internal_cursor->bytesperline1) +
(it >> 3)) |= 0x80 >> (it % 8);
*(image1 + jt * (internal_cursor->bytesperline2) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
case SDL_PHOTON_MOUSE_COLOR_WHITE:
{
*(image0 + jt * (internal_cursor->bytesperline1) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->bytesperline2) +
(it >> 3)) |= 0x80 >> (it % 8);
}
break;
case SDL_PHOTON_MOUSE_COLOR_TRANS:
{
*(image0 + jt * (internal_cursor->bytesperline1) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->bytesperline2) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
default:
{
/* The same as transparent color, must not happen */
*(image0 + jt * (internal_cursor->bytesperline1) +
(it >> 3)) &= ~(0x80 >> (it % 8));
*(image1 + jt * (internal_cursor->bytesperline2) +
(it >> 3)) &= ~(0x80 >> (it % 8));
}
break;
}
}
}
return sdl_cursor;
}
int
photon_showcursor(SDL_Cursor * cursor)
{
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
SDL_Window *window;
SDL_WindowData *wdata;
PhCursorDef_t *internal_cursor;
int32_t status;
/* Get current window id */
window = SDL_GetFocusWindow();
if (!window) {
SDL_MouseData *mdata = NULL;
/* If there is no current window, then someone calls this function */
/* to set global mouse settings during SDL initialization */
if (cursor != NULL) {
/* Store cursor for future usage */
mdata = (SDL_MouseData *) cursor->mouse->driverdata;
didata = (SDL_DisplayData *) mdata->didata;
internal_cursor = (PhCursorDef_t *) cursor->driverdata;
if (didata->cursor_size >=
(internal_cursor->hdr.len + sizeof(PhRegionDataHdr_t))) {
SDL_memcpy(didata->cursor, internal_cursor,
internal_cursor->hdr.len +
sizeof(PhRegionDataHdr_t));
} else {
/* Partitial cursor image */
SDL_memcpy(didata->cursor, internal_cursor,
didata->cursor_size);
}
didata->cursor_visible = SDL_TRUE;
return 0;
} else {
/* We can't get SDL_DisplayData at this point, return fake success */
return 0;
}
} else {
/* Sanity checks */
display = window->display;
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata != NULL) {
wdata = (SDL_WindowData *) window->driverdata;
if (wdata == NULL) {
return -1;
}
} else {
return -1;
}
} else {
return -1;
}
}
/* return if window widget has been destroyed already */
if (wdata->window == NULL) {
return;
}
/* Check if we need to set new shape or disable cursor shape */
if (cursor != NULL) {
/* Retrieve photon cursor shape */
internal_cursor = (PhCursorDef_t *) cursor->driverdata;
if (internal_cursor == NULL) {
SDL_SetError("Photon: Internal cursor data is absent");
return -1;
}
/* Setup cursor type */
status =
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP,
0);
if (status != 0) {
SDL_SetError("Photon: Failed to set cursor type to bitmap");
return -1;
}
/* Setup cursor color to default */
status =
PtSetResource(wdata->window, Pt_ARG_CURSOR_COLOR,
Ph_CURSOR_DEFAULT_COLOR, 0);
if (status != 0) {
SDL_SetError("Photon: Failed to set cursor color");
return -1;
}
/* Setup cursor shape */
status =
PtSetResource(wdata->window, Pt_ARG_BITMAP_CURSOR,
internal_cursor,
internal_cursor->hdr.len +
sizeof(PhRegionDataHdr_t));
if (status != 0) {
SDL_SetError("Photon: Failed to set cursor color");
return -1;
}
/* Store current cursor for future usage */
if (didata->cursor_size >=
(internal_cursor->hdr.len + sizeof(PhRegionDataHdr_t))) {
SDL_memcpy(didata->cursor, internal_cursor,
internal_cursor->hdr.len + sizeof(PhRegionDataHdr_t));
} else {
/* Partitial cursor image */
SDL_memcpy(didata->cursor, internal_cursor, didata->cursor_size);
}
/* Set cursor visible */
didata->cursor_visible = SDL_TRUE;
} else {
/* SDL requests to disable cursor */
status =
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE,
0);
if (status != 0) {
SDL_SetError("Photon: Can't disable cursor");
return -1;
}
/* Set cursor invisible */
didata->cursor_visible = SDL_FALSE;
}
/* Flush all pending widget data */
PtFlush();
/* New cursor shape is set */
return 0;
}
void
photon_movecursor(SDL_Cursor * cursor)
{
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
SDL_Window *window;
SDL_WindowData *wdata;
SDL_WindowID window_id;
int32_t status;
/* Get current window id */
window_id = SDL_GetFocusWindow();
if (window_id <= 0) {
didata = (SDL_DisplayData *) cursor->mouse->driverdata;
} else {
/* Sanity checks */
window = SDL_GetWindowFromID(window_id);
if (window != NULL) {
display = window->display;
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata != NULL) {
wdata = (SDL_WindowData *) window->driverdata;
if (wdata == NULL) {
return;
}
} else {
return;
}
} else {
return;
}
} else {
return;
}
}
/* No need to move mouse cursor manually in the photon */
return;
}
void
photon_freecursor(SDL_Cursor * cursor)
{
PhCursorDef_t *internal_cursor = NULL;
if (cursor != NULL) {
internal_cursor = (PhCursorDef_t *) cursor->driverdata;
if (internal_cursor != NULL) {
SDL_free(internal_cursor);
cursor->driverdata = NULL;
}
}
}
void
photon_warpmouse(SDL_Mouse * mouse, SDL_Window * window, int x, int y)
{
SDL_VideoDisplay *display;
SDL_DisplayData *didata;
SDL_WindowData *wdata;
int16_t wx;
int16_t wy;
/* Sanity checks */
if (window != NULL) {
display = window->display;
if (display != NULL) {
didata = (SDL_DisplayData *) display->driverdata;
if (didata != NULL) {
wdata = (SDL_WindowData *) window->driverdata;
if (wdata == NULL) {
return;
}
} else {
return;
}
} else {
return;
}
} else {
return;
}
PtGetAbsPosition(wdata->window, &wx, &wy);
PhMoveCursorAbs(PhInputGroup(NULL), wx + x, wy + y);
return;
}
void
photon_freemouse(SDL_Mouse * mouse)
{
if (mouse->driverdata == NULL) {
return;
}
/* Mouse framework doesn't deletes automatically our driverdata */
SDL_free(mouse->driverdata);
mouse->driverdata = NULL;
return;
}
SDL_scancode
photon_to_sdl_keymap(uint32_t key)
{
SDL_scancode scancode = SDL_SCANCODE_UNKNOWN;
switch (key & 0x0000007F) {
case PHOTON_SCANCODE_ESCAPE:
scancode = SDL_SCANCODE_ESCAPE;
break;
case PHOTON_SCANCODE_F1:
scancode = SDL_SCANCODE_F1;
break;
case PHOTON_SCANCODE_F2:
scancode = SDL_SCANCODE_F2;
break;
case PHOTON_SCANCODE_F3:
scancode = SDL_SCANCODE_F3;
break;
case PHOTON_SCANCODE_F4:
scancode = SDL_SCANCODE_F4;
break;
case PHOTON_SCANCODE_F5:
scancode = SDL_SCANCODE_F5;
break;
case PHOTON_SCANCODE_F6:
scancode = SDL_SCANCODE_F6;
break;
case PHOTON_SCANCODE_F7:
scancode = SDL_SCANCODE_F7;
break;
case PHOTON_SCANCODE_F8:
scancode = SDL_SCANCODE_F8;
break;
case PHOTON_SCANCODE_F9:
scancode = SDL_SCANCODE_F9;
break;
case PHOTON_SCANCODE_F10:
scancode = SDL_SCANCODE_F10;
break;
case PHOTON_SCANCODE_F11:
scancode = SDL_SCANCODE_F11;
break;
case PHOTON_SCANCODE_F12:
scancode = SDL_SCANCODE_F12;
break;
case PHOTON_SCANCODE_BACKQOUTE:
scancode = SDL_SCANCODE_GRAVE;
break;
case PHOTON_SCANCODE_1:
scancode = SDL_SCANCODE_1;
break;
case PHOTON_SCANCODE_2:
scancode = SDL_SCANCODE_2;
break;
case PHOTON_SCANCODE_3:
scancode = SDL_SCANCODE_3;
break;
case PHOTON_SCANCODE_4:
scancode = SDL_SCANCODE_4;
break;
case PHOTON_SCANCODE_5:
scancode = SDL_SCANCODE_5;
break;
case PHOTON_SCANCODE_6:
scancode = SDL_SCANCODE_6;
break;
case PHOTON_SCANCODE_7:
scancode = SDL_SCANCODE_7;
break;
case PHOTON_SCANCODE_8:
scancode = SDL_SCANCODE_8;
break;
case PHOTON_SCANCODE_9:
scancode = SDL_SCANCODE_9;
break;
case PHOTON_SCANCODE_0:
scancode = SDL_SCANCODE_0;
break;
case PHOTON_SCANCODE_MINUS:
scancode = SDL_SCANCODE_MINUS;
break;
case PHOTON_SCANCODE_EQUAL:
scancode = SDL_SCANCODE_EQUALS;
break;
case PHOTON_SCANCODE_BACKSPACE:
scancode = SDL_SCANCODE_BACKSPACE;
break;
case PHOTON_SCANCODE_TAB:
scancode = SDL_SCANCODE_TAB;
break;
case PHOTON_SCANCODE_Q:
scancode = SDL_SCANCODE_Q;
break;
case PHOTON_SCANCODE_W:
scancode = SDL_SCANCODE_W;
break;
case PHOTON_SCANCODE_E:
scancode = SDL_SCANCODE_E;
break;
case PHOTON_SCANCODE_R:
scancode = SDL_SCANCODE_R;
break;
case PHOTON_SCANCODE_T:
scancode = SDL_SCANCODE_T;
break;
case PHOTON_SCANCODE_Y:
scancode = SDL_SCANCODE_Y;
break;
case PHOTON_SCANCODE_U:
scancode = SDL_SCANCODE_U;
break;
case PHOTON_SCANCODE_I:
scancode = SDL_SCANCODE_I;
break;
case PHOTON_SCANCODE_O:
scancode = SDL_SCANCODE_O;
break;
case PHOTON_SCANCODE_P:
scancode = SDL_SCANCODE_P;
break;
case PHOTON_SCANCODE_LEFT_SQ_BR:
scancode = SDL_SCANCODE_LEFTBRACKET;
break;
case PHOTON_SCANCODE_RIGHT_SQ_BR:
scancode = SDL_SCANCODE_RIGHTBRACKET;
break;
case PHOTON_SCANCODE_ENTER:
scancode = SDL_SCANCODE_RETURN;
break;
case PHOTON_SCANCODE_CAPSLOCK:
scancode = SDL_SCANCODE_CAPSLOCK;
break;
case PHOTON_SCANCODE_A:
scancode = SDL_SCANCODE_A;
break;
case PHOTON_SCANCODE_S:
scancode = SDL_SCANCODE_S;
break;
case PHOTON_SCANCODE_D:
scancode = SDL_SCANCODE_D;
break;
case PHOTON_SCANCODE_F:
scancode = SDL_SCANCODE_F;
break;
case PHOTON_SCANCODE_G:
scancode = SDL_SCANCODE_G;
break;
case PHOTON_SCANCODE_H:
scancode = SDL_SCANCODE_H;
break;
case PHOTON_SCANCODE_J:
scancode = SDL_SCANCODE_J;
break;
case PHOTON_SCANCODE_K:
scancode = SDL_SCANCODE_K;
break;
case PHOTON_SCANCODE_L:
scancode = SDL_SCANCODE_L;
break;
case PHOTON_SCANCODE_SEMICOLON:
scancode = SDL_SCANCODE_SEMICOLON;
break;
case PHOTON_SCANCODE_QUOTE:
scancode = SDL_SCANCODE_APOSTROPHE;
break;
case PHOTON_SCANCODE_BACKSLASH:
scancode = SDL_SCANCODE_BACKSLASH;
break;
case PHOTON_SCANCODE_LEFT_SHIFT:
scancode = SDL_SCANCODE_LSHIFT;
break;
case PHOTON_SCANCODE_Z:
scancode = SDL_SCANCODE_Z;
break;
case PHOTON_SCANCODE_X:
scancode = SDL_SCANCODE_X;
break;
case PHOTON_SCANCODE_C:
scancode = SDL_SCANCODE_C;
break;
case PHOTON_SCANCODE_V:
scancode = SDL_SCANCODE_V;
break;
case PHOTON_SCANCODE_B:
scancode = SDL_SCANCODE_B;
break;
case PHOTON_SCANCODE_N:
scancode = SDL_SCANCODE_N;
break;
case PHOTON_SCANCODE_M:
scancode = SDL_SCANCODE_M;
break;
case PHOTON_SCANCODE_COMMA:
scancode = SDL_SCANCODE_COMMA;
break;
case PHOTON_SCANCODE_POINT:
scancode = SDL_SCANCODE_PERIOD;
break;
case PHOTON_SCANCODE_SLASH:
scancode = SDL_SCANCODE_SLASH;
break;
case PHOTON_SCANCODE_RIGHT_SHIFT:
scancode = SDL_SCANCODE_RSHIFT;
break;
case PHOTON_SCANCODE_CTRL:
scancode = SDL_SCANCODE_LCTRL;
break;
case PHOTON_SCANCODE_WFLAG:
scancode = SDL_SCANCODE_LGUI;
break;
case PHOTON_SCANCODE_ALT:
scancode = SDL_SCANCODE_LALT;
break;
case PHOTON_SCANCODE_SPACE:
scancode = SDL_SCANCODE_SPACE;
break;
case PHOTON_SCANCODE_MENU:
scancode = SDL_SCANCODE_MENU;
break;
case PHOTON_SCANCODE_PRNSCR:
scancode = SDL_SCANCODE_PRINTSCREEN;
break;
case PHOTON_SCANCODE_SCROLLLOCK:
scancode = SDL_SCANCODE_SCROLLLOCK;
break;
case PHOTON_SCANCODE_INSERT:
scancode = SDL_SCANCODE_INSERT;
break;
case PHOTON_SCANCODE_HOME:
scancode = SDL_SCANCODE_HOME;
break;
case PHOTON_SCANCODE_PAGEUP:
scancode = SDL_SCANCODE_PAGEUP;
break;
case PHOTON_SCANCODE_DELETE:
scancode = SDL_SCANCODE_DELETE;
break;
case PHOTON_SCANCODE_END:
scancode = SDL_SCANCODE_END;
break;
case PHOTON_SCANCODE_PAGEDOWN:
scancode = SDL_SCANCODE_PAGEDOWN;
break;
case PHOTON_SCANCODE_UP:
scancode = SDL_SCANCODE_UP;
break;
case PHOTON_SCANCODE_DOWN:
scancode = SDL_SCANCODE_DOWN;
break;
case PHOTON_SCANCODE_LEFT:
scancode = SDL_SCANCODE_LEFT;
break;
case PHOTON_SCANCODE_RIGHT:
scancode = SDL_SCANCODE_RIGHT;
break;
case PHOTON_SCANCODE_NUMLOCK:
scancode = SDL_SCANCODE_NUMLOCKCLEAR;
break;
default:
break;
}
return scancode;
}