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-rw-r--r--backends/platform/x11/build.rules7
-rw-r--r--backends/platform/x11/module.mk10
-rw-r--r--backends/platform/x11/x11.cpp1037
-rw-r--r--backends/platform/x11/x11.h195
4 files changed, 1249 insertions, 0 deletions
diff --git a/backends/platform/x11/build.rules b/backends/platform/x11/build.rules
new file mode 100644
index 0000000000..1540d452d6
--- /dev/null
+++ b/backends/platform/x11/build.rules
@@ -0,0 +1,7 @@
+# Build settings for the X11 backend
+MODULES += backends/x11
+OBJS += backends/x11/x11.o
+DEFINES += -DUNIX -DX11_BACKEND
+LDFLAGS += -L/usr/X11R6/lib -L/usr/local/lib
+INCLUDES+= -I/usr/X11R6/include
+LIBS += -lpthread -lXext -lX11
diff --git a/backends/platform/x11/module.mk b/backends/platform/x11/module.mk
new file mode 100644
index 0000000000..22015b53be
--- /dev/null
+++ b/backends/platform/x11/module.mk
@@ -0,0 +1,10 @@
+MODULE := backends/platform/x11
+
+MODULE_OBJS := \
+ x11.o
+
+MODULE_DIRS += \
+ backends/platform/x11/
+
+# We don't use the rules.mk here on purpose
+OBJS := $(addprefix $(MODULE)/, $(MODULE_OBJS)) $(OBJS)
diff --git a/backends/platform/x11/x11.cpp b/backends/platform/x11/x11.cpp
new file mode 100644
index 0000000000..ce020c7a8e
--- /dev/null
+++ b/backends/platform/x11/x11.cpp
@@ -0,0 +1,1037 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001 Ludvig Strigeus
+ * Copyright (C) 2001-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+/* The bare pure X11 port done by Lionel 'BBrox' Ulmer */
+
+#include "common/stdafx.h"
+#include "common/scummsys.h"
+#include "common/system.h"
+#include "common/util.h"
+#include "base/main.h"
+#include "backends/intern.h"
+#include "backends/platform/x11/x11.h"
+
+#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>
+
+#ifdef __linux__
+#include <linux/soundcard.h>
+#else
+#include <sys/soundcard.h>
+#endif
+
+#include <sched.h>
+#include <pthread.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+int main(int argc, char *argv[]) {
+ g_system = OSystem_X11::create(0, 0);
+ assert(g_system);
+
+ // Invoke the actual ScummVM main entry point:
+ int res = scummvm_main(argc, argv);
+ g_system->quit(); // TODO: Consider removing / replacing this!
+ return res;
+}
+
+OSystem *OSystem_X11::create(int gfx_mode, bool full_screen) {
+ OSystem_X11 *syst = new OSystem_X11();
+ return syst;
+}
+
+OSystem_X11::OSystem_X11() {
+ /* Some members initialization */
+ _fake_right_mouse = 0;
+ _report_presses = 1;
+ _current_shake_pos = 0;
+ _new_shake_pos = 0;
+ _palette_changed = false;
+ _num_of_dirty_rects = 0;
+ _overlay_visible = false;
+ _mouse_state_changed = true;
+ _mouse_visible = true;
+ _ms_buf = NULL;
+ _curMouseState.x = 0;
+ _curMouseState.y = 0;
+ _curMouseState.hot_x = 0;
+ _curMouseState.hot_y = 0;
+ _curMouseState.w = 0;
+ _curMouseState.h = 0;
+ _palette16 = 0;
+ _palette32 = 0;
+ _bytesPerPixel = 0;
+ _image = 0;
+ _local_fb = 0;
+ _local_fb_overlay = 0;
+}
+
+OSystem_X11::~OSystem_X11() {
+ XFree(_image);
+ if (_palette16)
+ free(_palette16);
+
+ if (_palette32)
+ free(_palette32);
+
+ if (_ms_buf)
+ free(_ms_buf);
+
+ free(_local_fb_overlay);
+ free(_local_fb);
+}
+
+void OSystem_X11::initBackend() {
+ char buf[512];
+ XWMHints *wm_hints;
+ XGCValues values;
+ XTextProperty window_name;
+ char *name = (char *)&buf;
+ /* For the_window title */
+ sprintf(buf, "ScummVM");
+
+ _display = XOpenDisplay(NULL);
+ if (_display == NULL) {
+ error("Could not open display !\n");
+ exit(1);
+ }
+
+ if (XShmQueryExtension(_display)!=True)
+ error("No Shared Memory Extension present");
+
+ _screen = DefaultScreen(_display);
+ _depth = DefaultDepth(_display, _screen);
+ switch (_depth) {
+ case 16 :
+ _bytesPerPixel = 2;
+ break;
+ case 24 :
+ case 32 :
+ _bytesPerPixel = 4;
+ break;
+ }
+
+ if (!_bytesPerPixel)
+ error("Your screen depth is %ibit. Values other than 16, 24 and 32bit are currently not supported", _depth);
+
+ _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);
+
+ _fb_width = 0;
+ _fb_height = 0;
+
+ if (!_palette16)
+ _palette16 = (uint16 *)calloc(256, sizeof(uint16));
+ if (!_palette32 && _bytesPerPixel == 4)
+ _palette32 = (uint32 *)calloc(256, sizeof(uint32));
+
+ 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);
+
+}
+
+#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) {
+ warning("Error opening sound device!\n");
+ return NULL;
+ }
+ 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, &param) != 0) {
+ warning("Error in the SNDCTL_DSP_SETFRAGMENT ioctl!\n");
+ return NULL;
+ }
+ param = AFMT_S16_LE;
+ if (ioctl(sound_fd, SNDCTL_DSP_SETFMT, &param) == -1) {
+ warning("Error in the SNDCTL_DSP_SETFMT ioctl!\n");
+ return NULL;;
+ }
+ if (param != AFMT_S16_LE) {
+ warning("AFMT_S16_LE not supported!\n");
+ return NULL;
+ }
+ param = 2;
+ if (ioctl(sound_fd, SNDCTL_DSP_CHANNELS, &param) == -1) {
+ warning("Error in the SNDCTL_DSP_CHANNELS ioctl!\n");
+ return NULL;
+ }
+ if (param != 2) {
+ warning("Stereo mode not supported!\n");
+ return NULL;
+ }
+ param = SAMPLES_PER_SEC;
+ if (ioctl(sound_fd, SNDCTL_DSP_SPEED, &param) == -1) {
+ warning("Error in the SNDCTL_DSP_SPEED ioctl!\n");
+ return NULL;
+ }
+ if (param != SAMPLES_PER_SEC) {
+ warning("%d kHz not supported!\n", SAMPLES_PER_SEC);
+ return NULL;
+ }
+ if (ioctl(sound_fd, SNDCTL_DSP_GETOSPACE, &info) != 0) {
+ warning("SNDCTL_DSP_GETOSPACE");
+ return NULL;
+ }
+
+ 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);
+}
+
+bool OSystem_X11::hasFeature(Feature f) {
+ return false;
+}
+
+void OSystem_X11::setFeatureState(Feature f, bool enable) {
+}
+
+bool OSystem_X11::getFeatureState(Feature f) {
+ return false;
+}
+
+const OSystem::GraphicsMode *OSystem_X11::getSupportedGraphicsModes() const {
+ static const OSystem::GraphicsMode mode = {"1x", "Normal mode", 0};
+ return &mode;
+}
+
+int OSystem_X11::getDefaultGraphicsMode() const {
+ return 0;
+}
+
+bool OSystem_X11::setGraphicsMode(int mode) {
+ return (mode == 0);
+}
+
+int OSystem_X11::getGraphicsMode() const {
+ return 0;
+}
+
+
+uint32 OSystem_X11::getMillis() {
+ struct timeval current_time;
+ gettimeofday(&current_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::initSize(uint w, uint h) {
+ //debug("initSize(%i, %i)", w, h);
+ static XShmSegmentInfo shminfo;
+
+ if (((uint)_fb_width != w) || ((uint)_fb_height != w)) {
+ _fb_width = w;
+ _fb_height = h;
+
+ /* 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);
+
+ if (_image)
+ XFree(_image);
+ _image = XShmCreateImage(_display, DefaultVisual(_display, _screen), _depth, ZPixmap, NULL, &shminfo,_fb_width,_fb_height);
+ if (!_image)
+ error("Couldn't get image by XShmCreateImage()");
+
+ shminfo.shmid = shmget(IPC_PRIVATE, _image->bytes_per_line * _image->height, IPC_CREAT | 0700);
+ if (shminfo.shmid < 0)
+ error("Couldn't allocate image data by shmget()");
+
+ _image->data = shminfo.shmaddr = (char *)shmat(shminfo.shmid, 0, 0);
+ shminfo.readOnly = False;
+ if (XShmAttach(_display, &shminfo) == 0) {
+ error("Could not attach shared memory segment !\n");
+ exit(1);
+ }
+ shmctl(shminfo.shmid, IPC_RMID, 0);
+
+ if (_local_fb)
+ free(_local_fb);
+ if (_local_fb_overlay)
+ free(_local_fb_overlay);
+ /* 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));
+
+ }
+}
+
+bool OSystem_X11::setSoundCallback(SoundProc proc, void *param) {
+ static THREAD_PARAM thread_param;
+
+ /* And finally start the music thread */
+ thread_param.param = param;
+ thread_param.sound_proc = proc;
+
+ pthread_create(&_sound_thread, NULL, sound_and_music_thread, (void *)&thread_param);
+
+ return true;
+}
+
+void OSystem_X11::clearSoundCallback() {
+ // TODO implement this...
+ // The sound_thread has to be stopped in a nice way. In particular,
+ // using pthread_kill would be a bad idea. Rather, use pthread_cancel,
+ // or maybe a global variable, to achieve this.
+ // This method shouldn't return until the sound thread really has stopped.
+}
+
+
+void OSystem_X11::setPalette(const byte *colors, uint start, uint num) {
+ uint16 *pal = &(_palette16[start]);
+ const byte *data = colors;
+
+ if (_bytesPerPixel == 4) {
+ for (uint i = start; i < start+num; i++) {
+ //_palette32[i] = ((uint32 *)colors)[i];
+ _palette32[i] = (colors[i * 4 + 0] << 16) | (colors[i * 4 + 1] << 8) | (colors[i * 4 + 2] << 0);
+ }
+ }
+
+ 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_rects < MAX_NUMBER_OF_DIRTY_RECTS) { \
+ _ds[_num_of_dirty_rects].x = xi; \
+ _ds[_num_of_dirty_rects].y = yi; \
+ _ds[_num_of_dirty_rects].w = wi; \
+ _ds[_num_of_dirty_rects].h = hi; \
+ _num_of_dirty_rects++; \
+ }
+
+void OSystem_X11::copyRectToScreen(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::blit(const DirtyRect *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++ = _palette16[*ptr_src++];
+ }
+ ptr_dst += pitch - d->w;
+ ptr_src +=_fb_width - d->w;
+ }
+}
+
+void OSystem_X11::blit_convert(const DirtyRect *d, uint8 *dst, int pitch) {
+ uint8 *ptr_src = _local_fb + (_fb_width * d->y) + d->x;
+ uint8 *ptr_dst = dst + ((_fb_width * d->y) + d->x) * _bytesPerPixel;
+ int x, y;
+
+ switch (_bytesPerPixel) {
+ case 2:
+ for (y = 0; y < d->h; y++) {
+ for (x = 0; x < d->w; x++) {
+ *ptr_dst = _palette16[*ptr_src++];
+ ptr_dst += _bytesPerPixel;
+ }
+ ptr_dst += (pitch - d->w) * _bytesPerPixel;
+ ptr_src +=_fb_width - d->w;
+ }
+ break;
+ case 4:
+ for (y = 0; y < d->h; y++) {
+ for (x = 0; x < d->w; x++) {
+ *(uint32 *)ptr_dst = _palette32[*ptr_src];
+ ptr_dst += _bytesPerPixel;
+ ptr_src++;
+ }
+ ptr_dst += (pitch - d->w) * _bytesPerPixel;
+ ptr_src += _fb_width - d->w;
+ }
+ }
+}
+
+void OSystem_X11::updateScreen_helper(const DirtyRect *d, DirtyRect *dout) {
+
+ if (_overlay_visible == false) {
+ blit_convert(d, (uint8 *)_image->data, _fb_width);
+ } else {
+ uint16 *ptr_src = _local_fb_overlay + (_fb_width * d->y) + d->x;
+ uint8 *ptr_dst = (uint8 *)_image->data + ((_fb_width * d->y) + d->x) * _bytesPerPixel;
+
+ int y;
+
+ switch (_bytesPerPixel) {
+ case 2:
+ for (y = 0; y < d->h; y++) {
+ memcpy(ptr_dst, ptr_src, d->w * sizeof(uint16));
+ ptr_dst += _fb_width * sizeof(uint16);
+ ptr_src += _fb_width;
+ }
+ break;
+ case 4:
+ uint16 currLine, x;
+ register uint16 currPixel;
+ for (y = d->y; y < d->y + d->h; y++) {
+ currLine = y * _fb_width;
+ for (x = d->x; x < d->x + d->w; x++) {
+ currPixel = _local_fb_overlay[(currLine + x)];
+ *(uint32 *)ptr_dst = ((currPixel & 0xF800) << 8) + ((currPixel & 0x07E0) << 5) +
+ ((currPixel & 0x001F) << 3);
+ ptr_dst += sizeof(uint32);
+ }
+ ptr_dst += (_fb_width - d->w) * _bytesPerPixel;
+ }
+
+ }
+ }
+ 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::updateScreen() {
+ bool full_redraw = false;
+ bool need_redraw = false;
+ static const DirtyRect ds_full = { 0, 0, _fb_width, _fb_height };
+ DirtyRect dout = {_fb_width, _fb_height, 0, 0 };
+
+ if (_palette_changed) {
+ full_redraw = true;
+ _num_of_dirty_rects = 0;
+ _palette_changed = false;
+ } else if (_num_of_dirty_rects >= MAX_NUMBER_OF_DIRTY_RECTS) {
+ full_redraw = true;
+ _num_of_dirty_rects = 0;
+ }
+
+ if (full_redraw) {
+ updateScreen_helper(&ds_full, &dout);
+ need_redraw = true;
+ } else if ((_num_of_dirty_rects > 0) || (_mouse_state_changed == true)) {
+ need_redraw = true;
+ while (_num_of_dirty_rects > 0) {
+ _num_of_dirty_rects--;
+ updateScreen_helper(&(_ds[_num_of_dirty_rects]), &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::showMouse(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::setWindowCaption(const char *caption) {
+ //debug("setWindowCaption('%s')", caption);
+}
+
+void OSystem_X11::undraw_mouse() {
+ AddDirtyRec(_oldMouseState.x, _oldMouseState.y, _oldMouseState.w, _oldMouseState.h);
+}
+
+void OSystem_X11::draw_mouse(DirtyRect *dout) {
+ //debug("draw_mouse()");
+ _mouse_state_changed = false;
+
+ if (_mouse_visible == false)
+ return;
+
+ int xdraw = _curMouseState.x - _curMouseState.hot_x;
+ int ydraw = _curMouseState.y - _curMouseState.hot_y;
+ int w = _curMouseState.w;
+ int h = _curMouseState.h;
+ int real_w;
+ int real_h;
+
+ uint8 *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 = (uint8 *)_image->data + ((ydraw *_fb_width) + xdraw) * _bytesPerPixel;
+
+ 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;
+
+ _oldMouseState.x = xdraw;
+ _oldMouseState.y = ydraw;
+ _oldMouseState.w = real_w;
+ _oldMouseState.h = real_h;
+
+ while (real_h > 0) {
+ int width = real_w;
+ while (width > 0) {
+ byte color = *buf;
+ if (color != _mouseKeycolor) {
+ if (_depth == 16)
+ *(uint16 *)dst = _palette16[color];
+ else {
+ *(uint32 *)dst = _palette32[color];
+ }
+ }
+ buf++;
+ dst += _bytesPerPixel;
+ width--;
+ }
+ buf += w - real_w;
+ dst += (_fb_width - real_w) * _bytesPerPixel;
+ real_h--;
+ }
+}
+
+void OSystem_X11::set_mouse_pos(int x, int y) {
+ if ((x != _curMouseState.x) || (y != _curMouseState.y)) {
+ _curMouseState.x = x;
+ _curMouseState.y = y;
+ if (_mouse_state_changed == false) {
+ undraw_mouse();
+ }
+ _mouse_state_changed = true;
+ }
+}
+
+void OSystem_X11::warpMouse(int x, int y) {
+ set_mouse_pos(x, y);
+}
+
+void OSystem_X11::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor, int cursorTargetScale) {
+ _curMouseState.w = w;
+ _curMouseState.h = h;
+ _curMouseState.hot_x = hotspot_x;
+ _curMouseState.hot_y = hotspot_y;
+
+ if (_ms_buf)
+ free(_ms_buf);
+ _ms_buf = (byte *) malloc(w * h);
+ memcpy(_ms_buf, buf, w * h);
+
+ if (_mouse_state_changed == false) {
+ undraw_mouse();
+ }
+ _mouseKeycolor = keycolor;
+ _mouse_state_changed = true;
+}
+
+void OSystem_X11::setShakePos(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;
+}
+
+int OSystem_X11::getOutputSampleRate() const {
+ return SAMPLES_PER_SEC;
+}
+
+void OSystem_X11::delayMillis(uint msecs) {
+ usleep(msecs * 1000);
+}
+
+bool OSystem_X11::pollEvent(Event &scumm_event) {
+ /* First, handle timers */
+ uint32 current_msecs = getMillis();
+
+ 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.type = 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.type = 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.type = EVENT_LBUTTONDOWN;
+ } else {
+ scumm_event.type = EVENT_RBUTTONDOWN;
+ }
+ } else if (event.xbutton.button == 3)
+ scumm_event.type = 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.type = EVENT_LBUTTONUP;
+ } else {
+ scumm_event.type = EVENT_RBUTTONUP;
+ }
+ } else if (event.xbutton.button == 3)
+ scumm_event.type = 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.type = EVENT_MOUSEMOVE;
+ scumm_event.mouse.x = event.xmotion.x - _scumm_x;
+ scumm_event.mouse.y = event.xmotion.y - _scumm_y;
+ set_mouse_pos(scumm_event.mouse.x, scumm_event.mouse.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::setTimerCallback(TimerProc callback, int interval) {
+ if (callback != NULL) {
+ _timer_duration = interval;
+ _timer_next_expiry = getMillis() + interval;
+ _timer_callback = callback;
+ _timer_active = true;
+ } else {
+ _timer_active = false;
+ }
+}
+
+OSystem::MutexRef OSystem_X11::createMutex(void) {
+ pthread_mutex_t *mutex = (pthread_mutex_t *) malloc(sizeof(pthread_mutex_t));
+ pthread_mutex_init(mutex, NULL);
+ return (MutexRef)mutex;
+}
+
+void OSystem_X11::lockMutex(MutexRef mutex) {
+ pthread_mutex_lock((pthread_mutex_t *) mutex);
+}
+
+void OSystem_X11::unlockMutex(MutexRef mutex) {
+ pthread_mutex_unlock((pthread_mutex_t *) mutex);
+}
+
+void OSystem_X11::deleteMutex(MutexRef mutex) {
+ pthread_mutex_destroy((pthread_mutex_t *) mutex);
+ free(mutex);
+}
+
+void OSystem_X11::showOverlay() {
+ _overlay_visible = true;
+}
+
+void OSystem_X11::hideOverlay() {
+ _overlay_visible = false;
+ _palette_changed = true; // This is to force a full redraw to hide the overlay
+}
+
+void OSystem_X11::clearOverlay() {
+ if (_overlay_visible == false)
+ return;
+ DirtyRect d = { 0, 0, _fb_width, _fb_height };
+ AddDirtyRec(0, 0, _fb_width, _fb_height);
+ blit(&d, _local_fb_overlay, _fb_width);
+}
+
+void OSystem_X11::grabOverlay(int16 *dest, int pitch) {
+ if (_overlay_visible == false)
+ return;
+
+ DirtyRect d = { 0, 0, _fb_width, _fb_height };
+ blit(&d, (uint16 *)dest, pitch);
+}
+
+void OSystem_X11::copyRectToOverlay(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--;
+ }
+}
+
+int16 OSystem_X11::getHeight() {
+ return _fb_height;
+}
+
+int16 OSystem_X11::getWidth() {
+ return _fb_width;
+}
+
+void OSystem_X11::grabPalette(byte *colors, uint start, uint num) {
+ warning("Dummy: grabPalette()");
+}
diff --git a/backends/platform/x11/x11.h b/backends/platform/x11/x11.h
new file mode 100644
index 0000000000..ba29bc7eab
--- /dev/null
+++ b/backends/platform/x11/x11.h
@@ -0,0 +1,195 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001 Ludvig Strigeus
+ * Copyright (C) 2001-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+class OSystem_X11:public OSystem {
+public:
+ OSystem_X11();
+ ~OSystem_X11();
+
+ void initBackend();
+
+ // Determine whether the backend supports the specified feature.
+ bool hasFeature(Feature f);
+
+ // En-/disable the specified feature.
+ void setFeatureState(Feature f, bool enable);
+
+ // Query the state of the specified feature.
+ bool getFeatureState(Feature f);
+
+ // Retrieve a list of all graphics modes supported by this backend.
+ const GraphicsMode *getSupportedGraphicsModes() const;
+
+ // Return the ID of the 'default' graphics mode.
+ int getDefaultGraphicsMode() const;
+
+ // Switch to the specified graphics mode.
+ bool setGraphicsMode(int mode);
+
+ // Determine which graphics mode is currently active.
+ int getGraphicsMode() const;
+
+ // Set colors of the palette
+ void setPalette(const byte *colors, uint start, uint num);
+
+ // Set the size of the video bitmap.
+ // Typically, 320x200
+ void initSize(uint w, uint h);
+
+ // Draw a bitmap to screen.
+ // The screen will not be updated to reflect the new bitmap
+ void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
+
+ // Update the dirty areas of the screen
+ void updateScreen();
+
+ // Either show or hide the mouse cursor
+ bool showMouse(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 warpMouse(int x, int y);
+
+ // Set the bitmap that's used when drawing the cursor.
+ void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor = 255, int cursorTargetScale = 1);
+
+ // Shaking is used in SCUMM. Set current shake position.
+ void setShakePos(int shake_pos);
+
+ // Get the number of milliseconds since the program was started.
+ uint32 getMillis();
+
+ // Delay for a specified amount of milliseconds
+ void delayMillis(uint msecs);
+
+ // Get the next event.
+ // Returns true if an event was retrieved.
+ bool pollEvent(Event &event);
+
+ // Set function that generates samples
+ bool setSoundCallback(SoundProc proc, void *param);
+ void clearSoundCallback();
+
+ // Determine the output sample rate. Audio data provided by the sound
+ // callback will be played using this rate.
+ int getOutputSampleRate() const;
+
+ // Quit
+ void quit();
+
+ // Add a callback timer
+ void setTimerCallback(TimerProc callback, int interval);
+
+ // Mutex handling
+ MutexRef createMutex();
+ void lockMutex(MutexRef mutex);
+ void unlockMutex(MutexRef mutex);
+ void deleteMutex(MutexRef mutex);
+
+ // Overlay handling for the new menu system
+ void showOverlay();
+ void hideOverlay();
+ void clearOverlay();
+ void grabOverlay(int16 *, int);
+ void copyRectToOverlay(const int16 *, int, int, int, int, int);
+ virtual int16 getHeight();
+ virtual int16 getWidth();
+
+ virtual void grabPalette(byte *colors, uint start, uint num);
+
+ // Set a window caption or any other comparable status display to the
+ // given value.
+ void setWindowCaption(const char *caption);
+
+ static OSystem *create(int gfx_mode, bool full_screen);
+
+private:
+ typedef struct {
+ int x, y;
+ int w, h;
+ int hot_x, hot_y;
+ } MouseState;
+
+ typedef struct {
+ int x, y, w, h;
+ } DirtyRect;
+
+ enum {
+ MAX_NUMBER_OF_DIRTY_RECTS = 32
+ };
+
+ void create_empty_cursor();
+ void draw_mouse(DirtyRect *dout);
+ void undraw_mouse();
+ void updateScreen_helper(const DirtyRect *d, DirtyRect *dout);
+ void blit_convert(const DirtyRect *d, uint8 *dst, int pitch);
+ void blit(const DirtyRect *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 *_palette16;
+ uint32 *_palette32;
+
+ bool _palette_changed;
+ Display *_display;
+ int _screen, _depth;
+ uint8 _bytesPerPixel;
+ Window _window;
+ GC _black_gc;
+ XImage *_image;
+ pthread_t _sound_thread;
+
+ struct timeval _start_time;
+
+ int _fake_right_mouse;
+ int _report_presses;
+ int _current_shake_pos;
+ int _new_shake_pos;
+ DirtyRect _ds[MAX_NUMBER_OF_DIRTY_RECTS];
+ int _num_of_dirty_rects;
+
+ MouseState _oldMouseState, _curMouseState;
+ byte *_ms_buf;
+ bool _mouse_visible;
+ bool _mouse_state_changed;
+ byte _mouseKeycolor;
+
+ uint32 _timer_duration, _timer_next_expiry;
+ bool _timer_active;
+ int (*_timer_callback) (int);
+};
+
+typedef struct {
+ OSystem::SoundProc sound_proc;
+ void *param;
+} THREAD_PARAM;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 03:01:37 +0000