1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482
|
/*
terminatorX - realtime audio scratching software
Copyright (C) 1999-2016 Alexander König
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, see <http://www.gnu.org/licenses/>.
File: tX_mouse.cc
Description: This implements the mouse AND keyboard Input handling in
Grab-Mode.
*/
#include <sys/wait.h>
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <stdint.h>
#include <config.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#include "tX_mouse.h"
#include "tX_mastergui.h"
#include "tX_global.h"
#include "tX_engine.h"
#include "tX_vtt.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#define TX_MOUSE_SPEED_NORMAL 0.05
#define TX_MOUSE_SPEED_WARP 250000
tx_mouse :: tx_mouse()
{
pointer = NULL;
keyboard = NULL;
linux_input_channel = NULL;
grab_mode = LINUX_INPUT;
grabbed=0;
warp=TX_MOUSE_SPEED_NORMAL;
enable_auto_mnemonics = FALSE;
last_button_press = 0;
last_button_release = 0;
}
int tx_mouse :: grab()
{
if (grabbed) return 0;
// release all keys
memset(key_pressed, 0, sizeof(key_pressed));
warp_override=false;
if (grab_linux_input()) {
grab_mode = LINUX_INPUT;
} else {
grab_mode = FALLBACK;
}
window = gtk_widget_get_window(main_window);
GdkDisplay* gdk_dpy = gdk_window_get_display(window);
GdkDeviceManager *device_manager = gdk_display_get_device_manager(gdk_dpy);
if (grab_mode == FALLBACK) {
enable_compression = gdk_window_get_event_compression(window);
gdk_window_set_event_compression(window, False);
}
if (!gdk_dpy) {
fputs("GrabMode Error: couldn't access GDKDisplay.", stderr);
return(ENG_ERR_XOPEN);
}
gtk_window_present(GTK_WINDOW(main_window));
savedEventMask = gdk_window_get_events(window);
GdkEventMask newEventMask = GdkEventMask ((int) savedEventMask | GDK_POINTER_MOTION_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
gdk_window_set_events(top_window, newEventMask);
g_object_get (gtk_widget_get_settings (main_window), "gtk-auto-mnemonics", &enable_auto_mnemonics, NULL);
if (enable_auto_mnemonics) {
gboolean off = FALSE;
g_object_set (gtk_widget_get_settings (main_window), "gtk-auto-mnemonics", off, NULL);
}
pointer = gdk_device_manager_get_client_pointer(device_manager);
GdkGrabStatus grab_status = gdk_device_grab(pointer, top_window, GDK_OWNERSHIP_APPLICATION, FALSE, GdkEventMask (GDK_POINTER_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK), NULL, GDK_CURRENT_TIME);
gdk_device_get_position(pointer, &screen, &x_restore, &y_restore);
gint x = gdk_screen_get_width(screen) / 2;
gint y = gdk_screen_get_height(screen) / 2;
x_abs = x;
y_abs = y;
gdk_device_warp(pointer, screen, x_abs, y_abs);
if (grab_status != GDK_GRAB_SUCCESS) {
return(-1);
}
GList *list = gdk_device_manager_list_devices (device_manager, GDK_DEVICE_TYPE_MASTER);
for (GList *link = list; link != NULL; link = g_list_next (link)) {
GdkDevice *device = GDK_DEVICE (link->data);
if (gdk_device_get_source (device) != GDK_SOURCE_KEYBOARD)
continue;
keyboard = device;
break;
}
grab_status = gdk_device_grab(keyboard, top_window, GDK_OWNERSHIP_APPLICATION, FALSE, GdkEventMask (GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK), NULL, GDK_CURRENT_TIME);
if (grab_status != GDK_GRAB_SUCCESS) {
gdk_device_ungrab(pointer, GDK_CURRENT_TIME);
return(-2);
}
cursor = gdk_window_get_cursor(window);
gdk_window_set_cursor(window, gdk_cursor_new_for_display(gdk_dpy, GDK_BLANK_CURSOR));
grabbed=1;
std::list<vtt_class *> :: iterator v;
int c=0;
for (v=vtt_class::main_list.begin(); v!=vtt_class::main_list.end(); v++) {
if (!(*v)->audio_hidden) {
vtt_class::focus_no(c);
break;
}
c++;
}
warp=TX_MOUSE_SPEED_NORMAL;
return 0;
}
void tx_mouse :: ungrab()
{
if (!grabbed) return;
tX_debug("tX_mouse::ungrab(): this: %016" PRIxPTR, (uintptr_t) this);
gdk_device_ungrab(keyboard, GDK_CURRENT_TIME);
gdk_device_ungrab(pointer, GDK_CURRENT_TIME);
gdk_window_set_cursor(window, cursor);
vtt_class::unfocus();
gdk_window_set_events(top_window, savedEventMask);
if (enable_auto_mnemonics) {
g_object_set (gtk_widget_get_settings (main_window), "gtk-auto-mnemonics", enable_auto_mnemonics, NULL);
}
if (grab_mode == FALLBACK) {
gdk_window_set_event_compression(window, enable_compression);
}
ungrab_linux_input();
tX_debug("tX_mouse::ungrab(): done");
grabbed=0;
}
GError *tx_mouse::open_channel() {
GError *error = NULL;
linux_input_channel = g_io_channel_new_file("/dev/input/mice", "r", &error);
if (linux_input_channel) {
g_io_channel_set_flags(linux_input_channel, G_IO_FLAG_NONBLOCK, NULL);
return 0;
} else {
return error;
}
return NULL;
}
void tx_mouse::close_channel() {
if (linux_input_channel) {
g_io_channel_shutdown(linux_input_channel, false, NULL);
g_io_channel_unref(linux_input_channel);
linux_input_channel = NULL;
}
}
int tx_mouse::grab_linux_input() {
if (linux_input_channel) {
linux_input_watch = g_io_add_watch_full(linux_input_channel, G_PRIORITY_HIGH, G_IO_IN, tx_mouse::linux_input_wrap, this, NULL);
} else {
tX_msg("Linux input channel not available, falling back to pointer warping.");
return 0;
}
return 1;
}
void tx_mouse::ungrab_linux_input() {
if (grab_mode == LINUX_INPUT) {
// only remove the watch, we keep the channel as we dropped root and might fail to re-open it
g_source_remove(linux_input_watch);
}
}
#define vtt vtt_class::focused_vtt
void tx_mouse::motion_notify(GtkWidget *widget, GdkEventMotion *eventMotion) {
if ((grab_mode == FALLBACK) && vtt) {
gdouble d_x = eventMotion->x_root - x_abs;
gdouble d_y = eventMotion->y_root - y_abs;
if ((d_x != 0.0) || (d_y != 0.0)) {
//gdouble xnow, ynow;
//gdk_device_get_position_double(pointer, NULL, &xnow, &ynow);
//printf("%lf -> %lf, %lf -> %lf\n", eventMotion->x_root, xnow, eventMotion->y_root, ynow);
gdk_device_warp(pointer, screen, x_abs, y_abs);
if (warp_override) {
f_prec value=(fabs(d_x)>fabs(d_y)) ? d_x : d_y;
vtt->sp_speed.handle_mouse_input(value*globals.mouse_speed*warp);
} else {
vtt->xy_input((f_prec) d_x*warp, (f_prec) d_y*warp);
}
}
}
}
void tx_mouse::linux_input(tx_input_event *event) {
if ((grab_mode == LINUX_INPUT) && vtt) {
if ((event->x_motion != 0) || (event->y_motion != 0)) {
// gdk_device_warp(pointer, screen, x_abs, y_abs);
gdouble d_x = event->x_motion;
gdouble d_y = event->y_motion;
if (warp_override) {
f_prec value=(fabs(d_x)>fabs(d_y)) ? d_x : d_y;
vtt->sp_speed.handle_mouse_input(value*globals.mouse_speed*warp);
} else {
vtt->xy_input((f_prec) d_x*warp, (f_prec) d_y*warp);
}
}
}
}
void tx_mouse::button_press(GtkWidget *widget, GdkEventButton *eventButton) {
if (vtt) {
switch(eventButton->button) {
case 1: if (vtt->is_playing)
vtt->set_scratch(1);
else
vtt->sp_trigger.receive_input_value(1);
break;
case 2: vtt->sp_mute.receive_input_value(1); break;
case 3: vtt_class::focus_next(); break;
}
}
}
void tx_mouse::button_release(GtkWidget *widget, GdkEventButton *eventButton) {
if (vtt) {
switch (eventButton->button) {
case 1: vtt->set_scratch(0); break;
case 2: vtt->sp_mute.receive_input_value(0); break;
}
}
}
void tx_mouse::key_press(GtkWidget *widget, GdkEventKey *eventKey) {
if (vtt) {
switch(eventKey->keyval) {
case GDK_KEY_space: if (press_key(KEY_space)) { vtt->set_scratch(1); } break;
case GDK_KEY_Escape: if (press_key(KEY_Escape)) { ungrab(); } break;
case GDK_KEY_Return: if (press_key(KEY_Return)) { vtt->sp_trigger.receive_input_value(1); } break;
case GDK_KEY_BackSpace: if (press_key(KEY_BackSpace)) { vtt->sp_trigger.receive_input_value(0); } break;
case GDK_KEY_Tab: if (press_key(KEY_Tab)) { vtt_class::focus_next(); } break;
case GDK_KEY_s: if (press_key(KEY_s)) { vtt->sp_sync_client.receive_input_value(!vtt->is_sync_client); } break;
case GDK_KEY_m: if (press_key(KEY_m)) { vtt->sp_mute.receive_input_value(1); } break;
case GDK_KEY_Control_L: if (press_key(KEY_Control_L)) { vtt->sp_mute.receive_input_value(1); } break;
case GDK_KEY_Control_R: if (press_key(KEY_Control_R)) { vtt->sp_mute.receive_input_value(1); } break;
case GDK_KEY_Alt_L: if (press_key(KEY_Alt_L)) { vtt->sp_mute.receive_input_value(0); } break;
case GDK_KEY_Alt_R: if (press_key(KEY_Alt_R)) { vtt->sp_mute.receive_input_value(0); } break;
case GDK_KEY_w: if (press_key(KEY_w)) {
vtt->sp_mute.receive_input_value(1);
warp_override=true;
warp=((float) vtt->samples_in_buffer)/TX_MOUSE_SPEED_WARP;
vtt->set_scratch(1);
}
break;
case GDK_KEY_f: if (press_key(KEY_f)) {
warp_override=true;
warp=((float) vtt->samples_in_buffer)/TX_MOUSE_SPEED_WARP;
vtt->set_scratch(1);
}
break;
case GDK_KEY_F1: if (press_key(KEY_F1)) { vtt_class::focus_no(0); } break;
case GDK_KEY_F2: if (press_key(KEY_F2)) { vtt_class::focus_no(1); } break;
case GDK_KEY_F3: if (press_key(KEY_F3)) { vtt_class::focus_no(2); } break;
case GDK_KEY_F4: if (press_key(KEY_F4)) { vtt_class::focus_no(3); } break;
case GDK_KEY_F5: if (press_key(KEY_F5)) { vtt_class::focus_no(4); } break;
case GDK_KEY_F6: if (press_key(KEY_F6)) { vtt_class::focus_no(5); } break;
case GDK_KEY_F7: if (press_key(KEY_F7)) { vtt_class::focus_no(6); } break;
case GDK_KEY_F8: if (press_key(KEY_F8)) { vtt_class::focus_no(7); } break;
case GDK_KEY_F9: if (press_key(KEY_F9)) { vtt_class::focus_no(8); } break;
case GDK_KEY_F10: if (press_key(KEY_F10)) { vtt_class::focus_no(9); } break;
case GDK_KEY_F11: if (press_key(KEY_F11)) { vtt_class::focus_no(10); } break;
case GDK_KEY_F12: if (press_key(KEY_F12)) { vtt_class::focus_no(11); } break;
}
}
}
void tx_mouse::key_release(GtkWidget *widget, GdkEventKey *eventKey) {
if (vtt) {
switch(eventKey->keyval) {
case GDK_KEY_space: if (release_key(KEY_space)) { vtt->set_scratch(0); } break;
case GDK_KEY_Escape: release_key(KEY_Escape); break;
case GDK_KEY_Return: release_key(KEY_Return); break;
case GDK_KEY_BackSpace: release_key(KEY_BackSpace); break;
case GDK_KEY_Tab: release_key(KEY_Tab); break;
case GDK_KEY_s: release_key(KEY_s); break;
case GDK_KEY_m: if (release_key(KEY_m)) { vtt->sp_mute.receive_input_value(0); } break;
case GDK_KEY_Control_L: if (release_key(KEY_Control_L)) { vtt->sp_mute.receive_input_value(0); } break;
case GDK_KEY_Control_R: if (release_key(KEY_Control_R)) { vtt->sp_mute.receive_input_value(0); } break;
case GDK_KEY_Alt_L: if (release_key(KEY_Alt_L)) { vtt->sp_mute.receive_input_value(1); } break;
case GDK_KEY_Alt_R: if (release_key(KEY_Alt_R)) { vtt->sp_mute.receive_input_value(1); } break;
case GDK_KEY_w: if (release_key(KEY_w)) {
vtt->sp_mute.receive_input_value(0);
warp=TX_MOUSE_SPEED_NORMAL;
warp_override=false;
vtt->set_scratch(0);
}
break;
case GDK_KEY_f: if (release_key(KEY_f)) {
warp=TX_MOUSE_SPEED_NORMAL;
warp_override=false;
vtt->set_scratch(0);
}
break;
case GDK_KEY_F1: release_key(KEY_F1); break;
case GDK_KEY_F2: release_key(KEY_F2); break;
case GDK_KEY_F3: release_key(KEY_F3); break;
case GDK_KEY_F4: release_key(KEY_F4); break;
case GDK_KEY_F5: release_key(KEY_F5); break;
case GDK_KEY_F6: release_key(KEY_F6); break;
case GDK_KEY_F7: release_key(KEY_F7); break;
case GDK_KEY_F8: release_key(KEY_F8); break;
case GDK_KEY_F9: release_key(KEY_F9); break;
case GDK_KEY_F10: release_key(KEY_F10); break;
case GDK_KEY_F11: release_key(KEY_F11); break;
case GDK_KEY_F12: release_key(KEY_F12); break;
}
}
}
gboolean tx_mouse::motion_notify_wrap(GtkWidget *widget, GdkEventMotion *eventMotion, void *data) {
tx_mouse* mouse = (tx_mouse *) data;
if (mouse->grabbed) {
mouse->motion_notify(widget, eventMotion);
return TRUE;
} else {
return FALSE;
}
}
gboolean tx_mouse::linux_input_wrap(GIOChannel *source, GIOCondition condition, gpointer data) {
if (condition == G_IO_IN) {
tx_input_event sum;
tx_input_event eventbuffer[512];
tx_mouse* mouse = (tx_mouse *) data;
gint fd = g_io_channel_unix_get_fd(mouse->linux_input_channel);
ssize_t bytes_read = read(fd, &eventbuffer, sizeof(eventbuffer));
//printf("read %lu bytes, %lu events\n", bytes_read, bytes_read / sizeof(tx_input_event));
sum.x_motion = 0;
sum.y_motion = 0;
for (ssize_t i = 0; i < bytes_read / ((ssize_t) sizeof(tx_input_event)); i++) {
sum.x_motion += eventbuffer[i].x_motion;
sum.y_motion += eventbuffer[i].y_motion;
}
mouse->linux_input(&sum);
}
return TRUE;
}
gboolean tx_mouse::button_press_wrap(GtkWidget *widget, GdkEventButton *eventButton, void *data) {
tx_mouse* mouse = (tx_mouse *) data;
if (mouse->grabbed) {
if (mouse->last_button_press != eventButton->time) {
mouse->last_button_press = eventButton->time;
tX_debug("tX_mouse::button-press-event (%u)", eventButton->button);
mouse->button_press(widget, eventButton);
} else {
tX_debug("tX_mouse::button-press-event (%u) identical event skipped", eventButton->button);
}
return TRUE;
}
return FALSE;
}
gboolean tx_mouse::button_release_wrap(GtkWidget *widget, GdkEventButton *eventButton, void *data) {
tx_mouse* mouse = (tx_mouse *) data;
if (mouse->grabbed) {
if (mouse->last_button_release != eventButton->time) {
mouse->last_button_release = eventButton->time;
tX_debug("tX_mouse::button-release-event (%u)", eventButton->button);
mouse->button_release(widget, eventButton);
} else {
tX_debug("tX_mouse::button-release-event (%u) identical event skipped", eventButton->button);
}
return TRUE;
}
return FALSE;
}
gboolean tx_mouse::key_press_wrap(GtkWidget *widget, GdkEventKey *eventKey, void *data) {
tx_mouse* mouse = (tx_mouse *) data;
if (mouse->grabbed) {
tX_debug("tX_mouse::key-press-event (%u)", eventKey->keyval);
mouse->key_press(widget, eventKey);
return TRUE;
} else {
return FALSE;
}
}
gboolean tx_mouse::key_release_wrap(GtkWidget *widget, GdkEventKey *eventKey, void *data) {
tx_mouse* mouse = (tx_mouse *) data;
if (mouse->grabbed) {
tX_debug("tX_mouse::key-release-event (%u)", eventKey->keyval);
mouse->key_release(widget, eventKey);
return TRUE;
} else {
return FALSE;
}
}
|