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|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
/* The bare pure X11 port done by Lionel 'BBrox' Ulmer */
#include "common/util.h"
#include "common/engine.h" // Only #included for error() and warning()
#include <stdio.h>
#include <assert.h>
#include <sys/time.h>
#include <unistd.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
#include <linux/soundcard.h>
#include <sched.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
class OSystem_X11:public OSystem {
public:
// Set colors of the palette
void set_palette(const byte *colors, uint start, uint num);
// Set the size of the video bitmap.
// Typically, 320x200
void init_size(uint w, uint h);
// Draw a bitmap to screen.
// The screen will not be updated to reflect the new bitmap
void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h);
void move_screen(int dx, int dy, int height);
// Update the dirty areas of the screen
void update_screen();
// Either show or hide the mouse cursor
bool show_mouse(bool visible);
// Set the position of the mouse cursor
void set_mouse_pos(int x, int y);
// Warp the mouse cursor. Where set_mouse_pos() only informs the
// backend of the mouse cursor's current position, this function
// actually moves the cursor to the specified position.
void warp_mouse(int x, int y);
// Set the bitmap that's used when drawing the cursor.
void set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y);
// Shaking is used in SCUMM. Set current shake position.
void set_shake_pos(int shake_pos);
// Get the number of milliseconds since the program was started.
uint32 get_msecs();
// Delay for a specified amount of milliseconds
void delay_msecs(uint msecs);
// Create a thread
void create_thread(ThreadProc *proc, void *param);
// Get the next event.
// Returns true if an event was retrieved.
bool poll_event(Event *event);
// Set function that generates samples
bool set_sound_proc(void *param, SoundProc *proc, byte sound);
// Poll cdrom status
// Returns true if cd audio is playing
bool poll_cdrom();
// Play cdrom audio track
void play_cdrom(int track, int num_loops, int start_frame, int end_frame);
// Stop cdrom audio track
void stop_cdrom();
// Update cdrom audio status
void update_cdrom();
// Quit
void quit();
// Set a parameter
uint32 property(int param, Property *value);
// Add a callback timer
void set_timer(int timer, int (*callback) (int));
// Mutex handling
void *create_mutex();
void lock_mutex(void *mutex);
void unlock_mutex(void *mutex);
void delete_mutex(void *mutex);
// Overlay handling for the new menu system
void show_overlay();
void hide_overlay();
void clear_overlay();
void grab_overlay(int16 *, int);
void copy_rect_overlay(const int16 *, int, int, int, int, int);
static OSystem *create(int gfx_mode, bool full_screen);
private:
OSystem_X11();
typedef struct {
int x, y, w, h;
} dirty_square;
void create_empty_cursor();
void draw_mouse(dirty_square *dout);
void undraw_mouse();
void update_screen_helper(const dirty_square * d, dirty_square * dout);
void blit_convert(const dirty_square * d, uint16 *dst, int pitch);
uint8 *local_fb;
uint16 *local_fb_overlay;
bool _overlay_visible;
int window_width, window_height;
int fb_width, fb_height;
int scumm_x, scumm_y;
uint16 *palette;
bool _palette_changed;
Display *display;
int screen;
Window window;
GC black_gc;
XImage *image;
pthread_t sound_thread;
int fake_right_mouse;
int report_presses;
int current_shake_pos;
int new_shake_pos;
struct timeval start_time;
enum {
MAX_NUMBER_OF_DIRTY_SQUARES = 32
};
dirty_square ds[MAX_NUMBER_OF_DIRTY_SQUARES];
int num_of_dirty_square;
typedef struct {
int x, y;
int w, h;
int hot_x, hot_y;
} mouse_state;
mouse_state old_state, cur_state;
const byte *_ms_buf;
bool _mouse_visible;
bool _mouse_state_changed;
uint32 _timer_duration, _timer_next_expiry;
bool _timer_active;
int (*_timer_callback) (int);
};
typedef struct {
OSystem::SoundProc *sound_proc;
void *param;
byte format;
} THREAD_PARAM;
#undef CAPTURE_SOUND
#define FRAG_SIZE 4096
static void *sound_and_music_thread(void *params)
{
/* Init sound */
int sound_fd, param, frag_size;
uint8 sound_buffer[FRAG_SIZE];
OSystem::SoundProc *sound_proc = ((THREAD_PARAM *) params)->sound_proc;
void *proc_param = ((THREAD_PARAM *) params)->param;
#ifdef CAPTURE_SOUND
FILE *f = fopen("sound.raw", "wb");
#endif
sound_fd = open("/dev/dsp", O_WRONLY);
audio_buf_info info;
if (sound_fd < 0) {
error("Error opening sound device !\n");
exit(1);
}
param = 0;
frag_size = FRAG_SIZE /* audio fragment size */ ;
while (frag_size) {
frag_size >>= 1;
param++;
}
param--;
param |= /* audio_fragment_num */ 3 << 16;
if (ioctl(sound_fd, SNDCTL_DSP_SETFRAGMENT, ¶m) != 0) {
error("Error in the SNDCTL_DSP_SETFRAGMENT ioctl !\n");
exit(1);
}
param = AFMT_S16_LE;
if (ioctl(sound_fd, SNDCTL_DSP_SETFMT, ¶m) == -1) {
perror("Error in the SNDCTL_DSP_SETFMT ioctl !\n");
exit(1);
}
if (param != AFMT_S16_LE) {
error("AFMT_S16_LE not supported !\n");
exit(1);
}
param = 2;
if (ioctl(sound_fd, SNDCTL_DSP_CHANNELS, ¶m) == -1) {
error("Error in the SNDCTL_DSP_CHANNELS ioctl !\n");
exit(1);
}
if (param != 2) {
error("Stereo mode not supported !\n");
exit(1);
}
param = 22050;
if (ioctl(sound_fd, SNDCTL_DSP_SPEED, ¶m) == -1) {
perror("Error in the SNDCTL_DSP_SPEED ioctl !\n");
exit(1);
}
if (param != 22050) {
error("22050 kHz not supported !\n");
exit(1);
}
if (ioctl(sound_fd, SNDCTL_DSP_GETOSPACE, &info) != 0) {
perror("SNDCTL_DSP_GETOSPACE");
exit(-1);
}
sched_yield();
while (1) {
uint8 *buf = (uint8 *)sound_buffer;
int size, written;
sound_proc(proc_param, (byte *)sound_buffer, FRAG_SIZE);
#ifdef CAPTURE_SOUND
fwrite(buf, 2, FRAG_SIZE >> 1, f);
fflush(f);
#endif
size = FRAG_SIZE;
while (size > 0) {
written = write(sound_fd, buf, size);
buf += written;
size -= written;
}
}
return NULL;
}
/* Function used to hide the mouse cursor */
void OSystem_X11::create_empty_cursor()
{
XColor bg;
Pixmap pixmapBits;
Cursor cursor = None;
static const char data[] = { 0 };
bg.red = bg.green = bg.blue = 0x0000;
pixmapBits = XCreateBitmapFromData(display, XRootWindow(display, screen), data, 1, 1);
if (pixmapBits) {
cursor = XCreatePixmapCursor(display, pixmapBits, pixmapBits, &bg, &bg, 0, 0);
XFreePixmap(display, pixmapBits);
}
XDefineCursor(display, window, cursor);
}
OSystem *OSystem_X11_create()
{
return OSystem_X11::create(0, 0);
}
OSystem *OSystem_X11::create(int gfx_mode, bool full_screen)
{
OSystem_X11 *syst = new OSystem_X11();
return syst;
}
OSystem_X11::OSystem_X11()
{
char buf[512];
XWMHints *wm_hints;
XGCValues values;
XTextProperty window_name;
char *name = (char *)&buf;
/* Some members initialization */
fake_right_mouse = 0;
report_presses = 1;
current_shake_pos = 0;
new_shake_pos = 0;
_palette_changed = false;
num_of_dirty_square = 0;
_overlay_visible = false;
_mouse_state_changed = true;
_mouse_visible = true;
cur_state.x = 0;
cur_state.y = 0;
cur_state.hot_x = 0;
cur_state.hot_y = 0;
cur_state.w = 0;
cur_state.h = 0;
/* For the window title */
sprintf(buf, "ScummVM");
display = XOpenDisplay(NULL);
if (display == NULL) {
error("Could not open display !\n");
exit(1);
}
screen = DefaultScreen(display);
window_width = 320;
window_height = 200;
scumm_x = 0;
scumm_y = 0;
window = XCreateSimpleWindow(display, XRootWindow(display, screen), 0, 0, 320, 200, 0, 0, 0);
wm_hints = XAllocWMHints();
if (wm_hints == NULL) {
error("Not enough memory to allocate Hints !\n");
exit(1);
}
wm_hints->flags = InputHint | StateHint;
wm_hints->input = True;
wm_hints->initial_state = NormalState;
XStringListToTextProperty(&name, 1, &window_name);
XSetWMProperties(display, window, &window_name, &window_name,
NULL /* argv */ , 0 /* argc */ , NULL /* size hints */ ,
wm_hints, NULL /* class hints */ );
XFree(wm_hints);
XSelectInput(display, window,
ExposureMask | KeyPressMask | KeyReleaseMask |
PointerMotionMask | ButtonPressMask | ButtonReleaseMask | StructureNotifyMask);
values.foreground = BlackPixel(display, screen);
black_gc = XCreateGC(display, window, GCForeground, &values);
XMapWindow(display, window);
XFlush(display);
while (1) {
XEvent event;
XNextEvent(display, &event);
switch (event.type) {
case Expose:
goto out_of_loop;
}
}
out_of_loop:
create_empty_cursor();
/* Initialize the timer routines */
_timer_active = false;
/* And finally start the local timer */
gettimeofday(&start_time, NULL);
}
uint32 OSystem_X11::get_msecs()
{
struct timeval current_time;
gettimeofday(¤t_time, NULL);
return (uint32)(((current_time.tv_sec - start_time.tv_sec) * 1000) +
((current_time.tv_usec - start_time.tv_usec) / 1000));
}
void OSystem_X11::init_size(uint w, uint h)
{
static XShmSegmentInfo shminfo;
fb_width = w;
fb_height = h;
if ((fb_width != 320) || (fb_height != 200)) {
/* We need to change the size of the X11 window */
XWindowChanges new_values;
new_values.width = fb_width;
new_values.height = fb_height;
XConfigureWindow(display, window, CWWidth | CWHeight, &new_values);
}
image = XShmCreateImage(display, DefaultVisual(display, screen), 16, ZPixmap, NULL, &shminfo, fb_width, fb_height);
shminfo.shmid = shmget(IPC_PRIVATE, fb_width * fb_height * 2, IPC_CREAT | 0700);
shminfo.shmaddr = (char *)shmat(shminfo.shmid, 0, 0);
image->data = shminfo.shmaddr;
shminfo.readOnly = False;
if (XShmAttach(display, &shminfo) == 0) {
error("Could not attach shared memory segment !\n");
exit(1);
}
shmctl(shminfo.shmid, IPC_RMID, 0);
/* Initialize the 'local' frame buffer and the palette */
local_fb = (uint8 *)calloc(fb_width * fb_height, sizeof(uint8));
local_fb_overlay = (uint16 *)calloc(fb_width * fb_height, sizeof(uint16));
palette = (uint16 *)calloc(256, sizeof(uint16));
}
bool OSystem_X11::set_sound_proc(void *param, SoundProc *proc, byte format)
{
static THREAD_PARAM thread_param;
/* And finally start the music thread */
thread_param.param = param;
thread_param.sound_proc = proc;
thread_param.format = format;
if (format == SOUND_16BIT)
pthread_create(&sound_thread, NULL, sound_and_music_thread, (void *)&thread_param);
else
warning("Only support 16 bit sound for now. Disabling sound ");
return true;
}
void OSystem_X11::set_palette(const byte *colors, uint start, uint num)
{
const byte *data = colors;
uint16 *pal = &(palette[start]);
do {
*pal++ = ((data[0] & 0xF8) << 8) | ((data[1] & 0xFC) << 3) | (data[2] >> 3);
data += 4;
num--;
} while (num > 0);
_palette_changed = true;
}
#define AddDirtyRec(xi,yi,wi,hi) \
if (num_of_dirty_square < MAX_NUMBER_OF_DIRTY_SQUARES) { \
ds[num_of_dirty_square].x = xi; \
ds[num_of_dirty_square].y = yi; \
ds[num_of_dirty_square].w = wi; \
ds[num_of_dirty_square].h = hi; \
num_of_dirty_square++; \
}
void OSystem_X11::copy_rect(const byte *buf, int pitch, int x, int y, int w, int h)
{
uint8 *dst;
if (y < 0) {
h += y;
buf -= y * pitch;
y = 0;
}
if (h > (fb_height - y)) {
h = fb_height - y;
}
dst = local_fb + fb_width * y + x;
if (h <= 0)
return;
AddDirtyRec(x, y, w, h);
while (h-- > 0) {
memcpy(dst, buf, w);
dst += fb_width;
buf += pitch;
}
}
void OSystem_X11::move_screen(int dx, int dy, int height) {
if ((dx == 0) && (dy == 0))
return;
if (dx == 0) {
// vertical movement
if (dy > 0) {
// move down
// copy from bottom to top
for (int y = height - 1; y >= dy; y--)
copy_rect(local_fb + fb_width * (y - dy), fb_width, 0, y, fb_width, 1);
} else {
// move up
// copy from top to bottom
for (int y = 0; y < height + dx; y++)
copy_rect(local_fb + fb_width * (y - dy), fb_width, 0, y, fb_width, 1);
}
} else if (dy == 0) {
// horizontal movement
if (dx > 0) {
// move right
// copy from right to left
for (int x = fb_width - 1; x >= dx; x--)
copy_rect(local_fb + x - dx, fb_width, x, 0, 1, height);
} else {
// move left
// copy from left to right
for (int x = 0; x < fb_width; x++)
copy_rect(local_fb + x - dx, fb_width, x, 0, 1, height);
}
} else {
// free movement
// not neccessary for now
}
}
void OSystem_X11::blit_convert(const dirty_square * d, uint16 *dst, int pitch)
{
uint8 *ptr_src = local_fb + (fb_width * d->y) + d->x;
uint16 *ptr_dst = dst + (fb_width * d->y) + d->x;
int x, y;
for (y = 0; y < d->h; y++) {
for (x = 0; x < d->w; x++) {
*ptr_dst++ = palette[*ptr_src++];
}
ptr_dst += pitch - d->w;
ptr_src += fb_width - d->w;
}
}
void OSystem_X11::update_screen_helper(const dirty_square * d, dirty_square * dout)
{
if (_overlay_visible == false) {
blit_convert(d, (uint16 *) image->data, fb_width);
} else {
uint16 *ptr_src = local_fb_overlay + (fb_width * d->y) + d->x;
uint16 *ptr_dst = ((uint16 *)image->data) + (fb_width * d->y) + d->x;
int y;
for (y = 0; y < d->h; y++) {
memcpy(ptr_dst, ptr_src, d->w * sizeof(uint16));
ptr_dst += fb_width;
ptr_src += fb_width;
}
}
if (d->x < dout->x)
dout->x = d->x;
if (d->y < dout->y)
dout->y = d->y;
if ((d->x + d->w) > dout->w)
dout->w = d->x + d->w;
if ((d->y + d->h) > dout->h)
dout->h = d->y + d->h;
}
void OSystem_X11::update_screen()
{
bool full_redraw = false;
bool need_redraw = false;
static const dirty_square ds_full = { 0, 0, fb_width, fb_height };
dirty_square dout = { fb_width, fb_height, 0, 0 };
if (_palette_changed) {
full_redraw = true;
num_of_dirty_square = 0;
_palette_changed = false;
} else if (num_of_dirty_square >= MAX_NUMBER_OF_DIRTY_SQUARES) {
full_redraw = true;
num_of_dirty_square = 0;
}
if (full_redraw) {
update_screen_helper(&ds_full, &dout);
need_redraw = true;
} else if ((num_of_dirty_square > 0) || (_mouse_state_changed == true)) {
need_redraw = true;
while (num_of_dirty_square > 0) {
num_of_dirty_square--;
update_screen_helper(&(ds[num_of_dirty_square]), &dout);
}
}
/* Then 'overlay' the mouse on the image */
draw_mouse(&dout);
if (current_shake_pos != new_shake_pos) {
/* Redraw first the 'black borders' in case of resize */
if (current_shake_pos < new_shake_pos)
XFillRectangle(display, window, black_gc, 0, current_shake_pos, window_width, new_shake_pos);
else
XFillRectangle(display, window, black_gc, 0, window_height - current_shake_pos,
window_width, window_height - new_shake_pos);
XShmPutImage(display, window, DefaultGC(display, screen), image,
0, 0, scumm_x, scumm_y + new_shake_pos, fb_width, fb_height, 0);
current_shake_pos = new_shake_pos;
} else if (need_redraw == true) {
XShmPutImage(display, window, DefaultGC(display, screen), image,
dout.x, dout.y, scumm_x + dout.x, scumm_y + dout.y + current_shake_pos,
dout.w - dout.x, dout.h - dout.y, 0);
XFlush(display);
}
}
bool OSystem_X11::show_mouse(bool visible)
{
if (_mouse_visible == visible)
return visible;
bool last = _mouse_visible;
_mouse_visible = visible;
if ((visible == false) && (_mouse_state_changed == false)) {
undraw_mouse();
}
_mouse_state_changed = true;
return last;
}
void OSystem_X11::quit()
{
exit(0);
}
void OSystem_X11::undraw_mouse()
{
AddDirtyRec(old_state.x, old_state.y, old_state.w, old_state.h);
}
void OSystem_X11::draw_mouse(dirty_square *dout)
{
_mouse_state_changed = false;
if (_mouse_visible == false)
return;
int xdraw = cur_state.x - cur_state.hot_x;
int ydraw = cur_state.y - cur_state.hot_y;
int w = cur_state.w;
int h = cur_state.h;
int real_w;
int real_h;
uint16 *dst;
const byte *buf = _ms_buf;
if (ydraw < 0) {
real_h = h + ydraw;
buf += (-ydraw) * w;
ydraw = 0;
} else {
real_h = (ydraw + h) > fb_height ? (fb_height - ydraw) : h;
}
if (xdraw < 0) {
real_w = w + xdraw;
buf += (-xdraw);
xdraw = 0;
} else {
real_w = (xdraw + w) > fb_width ? (fb_width - xdraw) : w;
}
dst = ((uint16 *) image->data) + (ydraw * fb_width) + xdraw;
if ((real_h == 0) || (real_w == 0)) {
return;
}
if (xdraw < dout->x)
dout->x = xdraw;
if (ydraw < dout->y)
dout->y = ydraw;
if ((xdraw + real_w) > dout->w)
dout->w = xdraw + real_w;
if ((ydraw + real_h) > dout->h)
dout->h = ydraw + real_h;
old_state.x = xdraw;
old_state.y = ydraw;
old_state.w = real_w;
old_state.h = real_h;
while (real_h > 0) {
int width = real_w;
while (width > 0) {
byte color = *buf;
if (color != 0xFF) {
*dst = palette[color];
}
buf++;
dst++;
width--;
}
buf += w - real_w;
dst += fb_width - real_w;
real_h--;
}
}
void OSystem_X11::set_mouse_pos(int x, int y)
{
if ((x != cur_state.x) || (y != cur_state.y)) {
cur_state.x = x;
cur_state.y = y;
if (_mouse_state_changed == false) {
undraw_mouse();
}
_mouse_state_changed = true;
}
}
void OSystem_X11::warp_mouse(int x, int y)
{
set_mouse_pos(x, y);
}
void OSystem_X11::set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y)
{
cur_state.w = w;
cur_state.h = h;
cur_state.hot_x = hotspot_x;
cur_state.hot_y = hotspot_y;
_ms_buf = (byte *)buf;
if (_mouse_state_changed == false) {
undraw_mouse();
}
_mouse_state_changed = true;
}
void OSystem_X11::set_shake_pos(int shake_pos)
{
if (new_shake_pos != shake_pos) {
if (_mouse_state_changed == false) {
undraw_mouse();
}
_mouse_state_changed = true;
}
new_shake_pos = shake_pos;
}
void OSystem_X11::create_thread(ThreadProc *proc, void *param)
{
pthread_t *thread = (pthread_t *) malloc(sizeof(pthread_t));
if (pthread_create(thread, NULL, (void *(*)(void *))proc, param))
return NULL;
else
return thread;
}
uint32 OSystem_X11::property(int param, Property *value)
{
switch (param) {
case PROP_GET_SAMPLE_RATE:
return 22050;
case PROP_GET_FULLSCREEN:
return 0;
}
warning("Property not implemented yet (%d) ", param);
return 0;
}
bool OSystem_X11::poll_cdrom()
{
return false;
}
void OSystem_X11::play_cdrom(int track, int num_loops, int start_frame, int end_frame)
{
}
void OSystem_X11::stop_cdrom()
{
}
void OSystem_X11::update_cdrom()
{
}
void OSystem_X11::delay_msecs(uint msecs)
{
usleep(msecs * 1000);
}
bool OSystem_X11::poll_event(Event *scumm_event)
{
/* First, handle timers */
uint32 current_msecs = get_msecs();
if (_timer_active && (current_msecs >= _timer_next_expiry)) {
_timer_duration = _timer_callback(_timer_duration);
_timer_next_expiry = current_msecs + _timer_duration;
}
while (XPending(display)) {
XEvent event;
XNextEvent(display, &event);
switch (event.type) {
case Expose:{
int real_w, real_h;
int real_x, real_y;
real_x = event.xexpose.x;
real_y = event.xexpose.y;
real_w = event.xexpose.width;
real_h = event.xexpose.height;
if (real_x < scumm_x) {
real_w -= scumm_x - real_x;
real_x = 0;
} else {
real_x -= scumm_x;
}
if (real_y < scumm_y) {
real_h -= scumm_y - real_y;
real_y = 0;
} else {
real_y -= scumm_y;
}
if ((real_h <= 0) || (real_w <= 0))
break;
if ((real_x >= fb_width) || (real_y >= fb_height))
break;
if ((real_x + real_w) >= fb_width) {
real_w = fb_width - real_x;
}
if ((real_y + real_h) >= fb_height) {
real_h = fb_height - real_y;
}
/* Compute the intersection of the expose event with the real ScummVM display zone */
AddDirtyRec(real_x, real_y, real_w, real_h);
}
break;
case KeyPress:{
/* I am using keycodes here and NOT keysyms to be sure that even if the user
remaps his iPAQ's keyboard, it will still work.
*/
int keycode = -1;
int ascii = -1;
byte mode = 0;
if (event.xkey.state & 0x01)
mode |= KBD_SHIFT;
if (event.xkey.state & 0x04)
mode |= KBD_CTRL;
if (event.xkey.state & 0x08)
mode |= KBD_ALT;
switch (event.xkey.keycode) {
case 9: /* Escape on my PC */
case 130: /* Calendar on the iPAQ */
keycode = 27;
break;
case 71: /* F5 on my PC */
case 128: /* Record on the iPAQ */
keycode = 319;
break;
case 65: /* Space on my PC */
case 131: /* Schedule on the iPAQ */
keycode = 32;
break;
case 132:
report_presses = 0;
break;
case 133:
fake_right_mouse = 1;
break;
default:{
KeySym xsym;
xsym = XKeycodeToKeysym(display, event.xkey.keycode, 0);
keycode = xsym;
if ((xsym >= 'a') && (xsym <= 'z') && (event.xkey.state & 0x01))
xsym &= ~0x20; /* Handle shifted keys */
ascii = xsym;
}
}
if (keycode != -1) {
scumm_event->event_code = EVENT_KEYDOWN;
scumm_event->kbd.keycode = keycode;
scumm_event->kbd.ascii = (ascii != -1 ? ascii : keycode);
scumm_event->kbd.flags = mode;
return true;
}
}
break;
case KeyRelease:{
/* I am using keycodes here and NOT keysyms to be sure that even if the user
remaps his iPAQ's keyboard, it will still work.
*/
int keycode = -1;
int ascii = -1;
byte mode = 0;
if (event.xkey.state & 0x01)
mode |= KBD_SHIFT;
if (event.xkey.state & 0x04)
mode |= KBD_CTRL;
if (event.xkey.state & 0x08)
mode |= KBD_ALT;
switch (event.xkey.keycode) {
case 132: /* 'Q' on the iPAQ */
report_presses = 1;
break;
case 133: /* Arrow on the iPAQ */
fake_right_mouse = 0;
break;
default:{
KeySym xsym;
xsym = XKeycodeToKeysym(display, event.xkey.keycode, 0);
keycode = xsym;
if ((xsym >= 'a') && (xsym <= 'z') && (event.xkey.state & 0x01))
xsym &= ~0x20; /* Handle shifted keys */
ascii = xsym;
}
}
if (keycode != -1) {
scumm_event->event_code = EVENT_KEYUP;
scumm_event->kbd.keycode = keycode;
scumm_event->kbd.ascii = (ascii != -1 ? ascii : keycode);
scumm_event->kbd.flags = mode;
return true;
}
}
break;
case ButtonPress:
if (report_presses != 0) {
if (event.xbutton.button == 1) {
if (fake_right_mouse == 0) {
scumm_event->event_code = EVENT_LBUTTONDOWN;
} else {
scumm_event->event_code = EVENT_RBUTTONDOWN;
}
} else if (event.xbutton.button == 3)
scumm_event->event_code = EVENT_RBUTTONDOWN;
scumm_event->mouse.x = event.xbutton.x - scumm_x;
scumm_event->mouse.y = event.xbutton.y - scumm_y;
return true;
}
break;
case ButtonRelease:
if (report_presses != 0) {
if (event.xbutton.button == 1) {
if (fake_right_mouse == 0) {
scumm_event->event_code = EVENT_LBUTTONUP;
} else {
scumm_event->event_code = EVENT_RBUTTONUP;
}
} else if (event.xbutton.button == 3)
scumm_event->event_code = EVENT_RBUTTONUP;
scumm_event->mouse.x = event.xbutton.x - scumm_x;
scumm_event->mouse.y = event.xbutton.y - scumm_y;
return true;
}
break;
case MotionNotify:
scumm_event->event_code = EVENT_MOUSEMOVE;
scumm_event->mouse.x = event.xmotion.x - scumm_x;
scumm_event->mouse.y = event.xmotion.y - scumm_y;
return true;
case ConfigureNotify:{
if ((window_width != event.xconfigure.width) || (window_height != event.xconfigure.height)) {
window_width = event.xconfigure.width;
window_height = event.xconfigure.height;
scumm_x = (window_width - fb_width) / 2;
scumm_y = (window_height - fb_height) / 2;
XFillRectangle(display, window, black_gc, 0, 0, window_width, window_height);
}
}
break;
default:
printf("Unhandled event : %d\n", event.type);
break;
}
}
return false;
}
void OSystem_X11::set_timer(int timer, int (*callback) (int))
{
if (callback != NULL) {
_timer_duration = timer;
_timer_next_expiry = get_msecs() + timer;
_timer_callback = callback;
_timer_active = true;
} else {
_timer_active = false;
}
}
void *OSystem_X11::create_mutex()
{
pthread_mutex_t *mutex = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t));
pthread_mutex_init(mutex, NULL);
return (void *)mutex;
}
void OSystem_X11::lock_mutex(void *mutex)
{
pthread_mutex_lock((pthread_mutex_t *) mutex);
}
void OSystem_X11::unlock_mutex(void *mutex)
{
pthread_mutex_unlock((pthread_mutex_t *) mutex);
}
void OSystem_X11::delete_mutex(void *mutex)
{
pthread_mutex_destroy((pthread_mutex_t *) mutex);
free(mutex);
}
void OSystem_X11::show_overlay() {
_overlay_visible = true;
}
void OSystem_X11::hide_overlay() {
_overlay_visible = false;
_palette_changed = true; // This is to force a full redraw to hide the overlay
}
void OSystem_X11::clear_overlay() {
if (_overlay_visible == false)
return;
dirty_square d = { 0, 0, fb_width, fb_height };
AddDirtyRec(0, 0, fb_width, fb_height);
blit_convert(&d, local_fb_overlay, fb_width);
}
void OSystem_X11::grab_overlay(int16 *dest, int pitch) {
if (_overlay_visible == false)
return;
dirty_square d = { 0, 0, fb_width, fb_height };
blit_convert(&d, (uint16 *) dest, pitch);
}
void OSystem_X11::copy_rect_overlay(const int16 *src, int pitch, int x, int y, int w, int h) {
if (_overlay_visible == false)
return;
uint16 *dst = local_fb_overlay + x + (y * fb_width);
AddDirtyRec(x, y, w, h);
while (h > 0) {
memcpy(dst, src, w * sizeof(*dst));
dst += fb_width;
src += pitch;
h--;
}
}
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