src/superfluous.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *  Copyright (c) 1998-2003 Dan Pascu
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along
  18  *  with this program; if not, write to the Free Software Foundation, Inc.,
  19  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <X11/Xlib.h>
  25 #include <X11/Xutil.h>
  26
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <math.h>
  30 #include <time.h>
  31
  32 #include <wraster.h>
  33
  34 #include "WindowMaker.h"
  35 #include "screen.h"
  36 #include "dock.h"
  37 #include "superfluous.h"
  38 #include "framewin.h"
  39 #include "window.h"
  40 #include "actions.h"
  41 #include "xinerama.h"
  42 #include "stacking.h"
  43
  44 extern WPreferences wPreferences;
  45
  46 #ifdef NORMAL_ICON_KABOOM
  47 void DoKaboom(WScreen * scr, Window win, int x, int y)
  48 {
  49         int i, j, k;
  50         int sw = scr->scr_width, sh = scr->scr_height;
  51 #define KAB_PRECISION   4
  52         int px[PIECES];
  53         short py[PIECES];
  54         char pvx[PIECES], pvy[PIECES];
  55         /* in MkLinux/PPC gcc seems to think that char is unsigned? */
  56         signed char ax[PIECES], ay[PIECES];
  57         Pixmap tmp;
  58
  59         XSetClipMask(dpy, scr->copy_gc, None);
  60         tmp = XCreatePixmap(dpy, scr->root_win, wPreferences.icon_size, wPreferences.icon_size, scr->depth);
  61         if (scr->w_visual == DefaultVisual(dpy, scr->screen))
  62                 XCopyArea(dpy, win, tmp, scr->copy_gc, 0, 0, wPreferences.icon_size, wPreferences.icon_size, 0, 0);
  63         else {
  64                 XImage *image;
  65
  66                 image = XGetImage(dpy, win, 0, 0, wPreferences.icon_size,
  67                                   wPreferences.icon_size, AllPlanes, ZPixmap);
  68                 if (!image) {
  69                         XUnmapWindow(dpy, win);
  70                         return;
  71                 }
  72                 XPutImage(dpy, tmp, scr->copy_gc, image, 0, 0, 0, 0,
  73                           wPreferences.icon_size, wPreferences.icon_size);
  74                 XDestroyImage(image);
  75         }
  76
  77         for (i = 0, k = 0; i < wPreferences.icon_size / ICON_KABOOM_PIECE_SIZE && k < PIECES; i++) {
  78                 for (j = 0; j < wPreferences.icon_size / ICON_KABOOM_PIECE_SIZE && k < PIECES; j++) {
  79                         if (rand() % 2) {
  80                                 ax[k] = i;
  81                                 ay[k] = j;
  82                                 px[k] = (x + i * ICON_KABOOM_PIECE_SIZE) << KAB_PRECISION;
  83                                 py[k] = y + j * ICON_KABOOM_PIECE_SIZE;
  84                                 pvx[k] = rand() % (1 << (KAB_PRECISION + 3)) - (1 << (KAB_PRECISION + 3)) / 2;
  85                                 pvy[k] = -15 - rand() % 7;
  86                                 k++;
  87                         } else {
  88                                 ax[k] = -1;
  89                         }
  90                 }
  91         }
  92
  93         XUnmapWindow(dpy, win);
  94
  95         j = k;
  96         while (k > 0) {
  97                 XEvent foo;
  98
  99                 if (XCheckTypedEvent(dpy, ButtonPress, &foo)) {
 100                         XPutBackEvent(dpy, &foo);
 101                         XClearWindow(dpy, scr->root_win);
 102                         break;
 103                 }
 104
 105                 for (i = 0; i < j; i++) {
 106                         if (ax[i] >= 0) {
 107                                 int _px = px[i] >> KAB_PRECISION;
 108                                 XClearArea(dpy, scr->root_win, _px, py[i],
 109                                            ICON_KABOOM_PIECE_SIZE, ICON_KABOOM_PIECE_SIZE, False);
 110                                 px[i] += pvx[i];
 111                                 py[i] += pvy[i];
 112                                 _px = px[i] >> KAB_PRECISION;
 113                                 pvy[i]++;
 114                                 if (_px < -wPreferences.icon_size || _px > sw || py[i] >= sh) {
 115                                         ax[i] = -1;
 116                                         k--;
 117                                 } else {
 118                                         XCopyArea(dpy, tmp, scr->root_win, scr->copy_gc,
 119                                                   ax[i] * ICON_KABOOM_PIECE_SIZE, ay[i] * ICON_KABOOM_PIECE_SIZE,
 120                                                   ICON_KABOOM_PIECE_SIZE, ICON_KABOOM_PIECE_SIZE, _px, py[i]);
 121                                 }
 122                         }
 123                 }
 124
 125                 XFlush(dpy);
 126                 wusleep(MINIATURIZE_ANIMATION_DELAY_Z * 2);
 127         }
 128
 129         XFreePixmap(dpy, tmp);
 130 }
 131 #endif  /* NORMAL_ICON_KABOOM */
 132
 133 Pixmap MakeGhostDock(WDock * dock, int sx, int dx, int y)
 134 {
 135         WScreen *scr = dock->screen_ptr;
 136         XImage *img;
 137         RImage *back, *dock_image;
 138         Pixmap pixmap;
 139         int i, virtual_tiles, h, j, n;
 140         unsigned long red_mask, green_mask, blue_mask;
 141
 142         virtual_tiles = 0;
 143         for (i = 0; i < dock->max_icons; i++) {
 144                 if (dock->icon_array[i] != NULL && dock->icon_array[i]->yindex > virtual_tiles)
 145                         virtual_tiles = dock->icon_array[i]->yindex;
 146         }
 147         virtual_tiles++;
 148         h = virtual_tiles * wPreferences.icon_size;
 149         h = (y + h > scr->scr_height) ? scr->scr_height - y : h;
 150         virtual_tiles = h / wPreferences.icon_size;     /* The visible ones */
 151         if (h % wPreferences.icon_size)
 152                 virtual_tiles++;        /* There is one partially visible tile at end */
 153
 154         img = XGetImage(dpy, scr->root_win, dx, y, wPreferences.icon_size, h, AllPlanes, ZPixmap);
 155         if (!img)
 156                 return None;
 157
 158         red_mask = img->red_mask;
 159         green_mask = img->green_mask;
 160         blue_mask = img->blue_mask;
 161
 162         back = RCreateImageFromXImage(scr->rcontext, img, NULL);
 163         XDestroyImage(img);
 164         if (!back) {
 165                 return None;
 166         }
 167
 168         for (i = 0; i < dock->max_icons; i++) {
 169                 if (dock->icon_array[i] != NULL && dock->icon_array[i]->yindex < virtual_tiles) {
 170                         Pixmap which;
 171                         j = dock->icon_array[i]->yindex * wPreferences.icon_size;
 172                         n = (h - j < wPreferences.icon_size) ? h - j : wPreferences.icon_size;
 173                         if (dock->icon_array[i]->icon->pixmap)
 174                                 which = dock->icon_array[i]->icon->pixmap;
 175                         else
 176                                 which = dock->icon_array[i]->icon->core->window;
 177
 178                         img = XGetImage(dpy, which, 0, 0, wPreferences.icon_size, n, AllPlanes, ZPixmap);
 179
 180                         if (!img) {
 181                                 RReleaseImage(back);
 182                                 return None;
 183                         }
 184                         img->red_mask = red_mask;
 185                         img->green_mask = green_mask;
 186                         img->blue_mask = blue_mask;
 187
 188                         dock_image = RCreateImageFromXImage(scr->rcontext, img, NULL);
 189                         XDestroyImage(img);
 190                         if (!dock_image) {
 191                                 RReleaseImage(back);
 192                                 return None;
 193                         }
 194                         RCombineAreaWithOpaqueness(back, dock_image, 0, 0,
 195                                                    wPreferences.icon_size, n, 0, j, 30 * 256 / 100);
 196                         RReleaseImage(dock_image);
 197                 }
 198         }
 199
 200         RConvertImage(scr->rcontext, back, &pixmap);
 201
 202         RReleaseImage(back);
 203
 204         return pixmap;
 205 }
 206
 207 Pixmap MakeGhostIcon(WScreen * scr, Drawable drawable)
 208 {
 209         RImage *back;
 210         RColor color;
 211         Pixmap pixmap;
 212
 213         if (!drawable)
 214                 return None;
 215
 216         back = RCreateImageFromDrawable(scr->rcontext, drawable, None);
 217         if (!back)
 218                 return None;
 219
 220         color.red = 0xff;
 221         color.green = 0xff;
 222         color.blue = 0xff;
 223         color.alpha = 200;
 224
 225         RClearImage(back, &color);
 226         RConvertImage(scr->rcontext, back, &pixmap);
 227
 228         RReleaseImage(back);
 229
 230         return pixmap;
 231 }
 232
 233 #ifdef WINDOW_BIRTH_ZOOM
 234
 235 void DoWindowBirth(WWindow *wwin)
 236 {
 237         int center_x, center_y;
 238         int width = wwin->frame->core->width;
 239         int height = wwin->frame->core->height;
 240         int w = WMIN(width, 20);
 241         int h = WMIN(height, 20);
 242         WScreen *scr = wwin->screen_ptr;
 243
 244         center_x = wwin->frame_x + (width - w) / 2;
 245         center_y = wwin->frame_y + (height - h) / 2;
 246
 247         animateResize(scr, center_x, center_y, 1, 1, wwin->frame_x, wwin->frame_y, width, height);
 248 }
 249 #else
 250 void DoWindowBirth(WWindow *wwin)
 251 {
 252         /* dummy stub */
 253 }
 254 #endif
 255
 256 #define BOUNCE_HZ       25
 257 #define BOUNCE_DELAY    (1000/BOUNCE_HZ)
 258 #define BOUNCE_HEIGHT   24
 259 #define BOUNCE_LENGTH   0.3
 260 #define BOUNCE_DAMP     0.6
 261 #define URGENT_BOUNCE_DELAY     3000
 262
 263 typedef struct AppBouncerData {
 264         WApplication *wapp;
 265         int count;
 266         int pow;
 267         int dir;
 268         WMHandlerID *timer;
 269 } AppBouncerData;
 270
 271 static void doAppBounce(void *arg)
 272 {
 273         AppBouncerData *data = (AppBouncerData*)arg;
 274         WAppIcon *aicon = data->wapp->app_icon;
 275
 276 reinit:
 277         if (aicon && data->wapp->refcount > 1) {
 278                 if (wPreferences.raise_appicons_when_bouncing)
 279                         XRaiseWindow(dpy, aicon->icon->core->window);
 280
 281                 const double ticks = BOUNCE_HZ * BOUNCE_LENGTH;
 282                 const double s = sqrt(BOUNCE_HEIGHT)/(ticks/2);
 283                 double h = BOUNCE_HEIGHT*pow(BOUNCE_DAMP, data->pow);
 284                 double sqrt_h = sqrt(h);
 285                 if (h > 3) {
 286                         double offset, x = s * data->count - sqrt_h;
 287                         if (x > sqrt_h) {
 288                                 ++data->pow;
 289                                 data->count = 0;
 290                                 goto reinit;
 291                         } else ++data->count;
 292                         offset = h - x*x;
 293
 294                         switch (data->dir) {
 295                         case 0: /* left, bounce to right */
 296                                 XMoveWindow(dpy, aicon->icon->core->window,
 297                                             aicon->x_pos + (int)offset, aicon->y_pos);
 298                                 break;
 299                         case 1: /* right, bounce to left */
 300                                 XMoveWindow(dpy, aicon->icon->core->window,
 301                                             aicon->x_pos - (int)offset, aicon->y_pos);
 302                                 break;
 303                         case 2: /* top, bounce down */
 304                                 XMoveWindow(dpy, aicon->icon->core->window,
 305                                             aicon->x_pos, aicon->y_pos + (int)offset);
 306                                 break;
 307                         case 3: /* bottom, bounce up */
 308                                 XMoveWindow(dpy, aicon->icon->core->window,
 309                                             aicon->x_pos, aicon->y_pos - (int)offset);
 310                                 break;
 311                         }
 312                         return;
 313                 }
 314         }
 315
 316         XMoveWindow(dpy, aicon->icon->core->window,
 317                         aicon->x_pos, aicon->y_pos);
 318         CommitStackingForWindow(aicon->icon->core);
 319         data->wapp->flags.bouncing = 0;
 320         WMDeleteTimerHandler(data->timer);
 321         wApplicationDestroy(data->wapp);
 322         free(data);
 323 }
 324
 325 static int bounceDirection(WAppIcon *aicon)
 326 {
 327         enum { left_e = 1, right_e = 2, top_e = 4, bottom_e = 8 };
 328
 329         WScreen *scr = aicon->icon->core->screen_ptr;
 330         WMRect rr, sr;
 331         int l, r, t, b, h, v;
 332         int dir = 0;
 333
 334         rr.pos.x = aicon->x_pos;
 335         rr.pos.y = aicon->y_pos;
 336         rr.size.width = rr.size.height = 64;
 337
 338         sr = wGetRectForHead(scr, wGetHeadForRect(scr, rr));
 339
 340         l = rr.pos.x - sr.pos.x;
 341         r = sr.pos.x + sr.size.width - rr.pos.x - rr.size.width;
 342         t = rr.pos.y - sr.pos.y;
 343         b = sr.pos.y + sr.size.height - rr.pos.y - rr.size.height;
 344
 345         if (l < r) {
 346                 dir |= left_e;
 347                 h = l;
 348         } else {
 349                 dir |= right_e;
 350                 h = r;
 351         }
 352
 353         if (t < b) {
 354                 dir |= top_e;
 355                 v = t;
 356         } else {
 357                 dir |= bottom_e;
 358                 v = b;
 359         }
 360
 361         if (aicon->dock && abs(aicon->xindex) != abs(aicon->yindex)) {
 362                 if (abs(aicon->xindex) < abs(aicon->yindex)) dir &= ~(top_e | bottom_e);
 363                 else dir &= ~(left_e | right_e);
 364         } else {
 365                 if (h < v) dir &= ~(top_e | bottom_e);
 366                 else dir &= ~(left_e | right_e);
 367         }
 368
 369         switch (dir) {
 370         case left_e:
 371                 dir = 0;
 372                 break;
 373
 374         case right_e:
 375                 dir = 1;
 376                 break;
 377
 378         case top_e:
 379                 dir = 2;
 380                 break;
 381
 382         case bottom_e:
 383                 dir = 3;
 384                 break;
 385
 386         default:
 387                 wwarning(_("Impossible direction: %d"), dir);
 388                 dir = 3;
 389                 break;
 390         }
 391
 392         return dir;
 393 }
 394
 395 void wAppBounce(WApplication *wapp)
 396 {
 397         if (!wPreferences.no_animations && wapp->app_icon && !wapp->flags.bouncing) {
 398                 ++wapp->refcount;
 399                 wapp->flags.bouncing = 1;
 400
 401                 AppBouncerData *data = (AppBouncerData *)malloc(sizeof(AppBouncerData));
 402                 data->wapp = wapp;
 403                 data->count = data->pow = 0;
 404                 data->dir = bounceDirection(wapp->app_icon);
 405                 data->timer = WMAddPersistentTimerHandler(BOUNCE_DELAY, doAppBounce, data);
 406         }
 407 }
 408
 409 static int appIsUrgent(WApplication *wapp)
 410 {
 411         WScreen *scr;
 412         WWindow *wlist;
 413
 414         if (!wapp->main_window_desc) {
 415                 wwarning("group leader not found for window group");
 416                 return 0;
 417         }
 418         scr = wapp->main_window_desc->screen_ptr;
 419         wlist = scr->focused_window;
 420         if (!wlist)
 421                 return 0;
 422
 423         while (wlist) {
 424                 if (wlist->main_window == wapp->main_window) {
 425                         if (wlist->flags.urgent)
 426                                 return 1;
 427                 }
 428                 wlist = wlist->prev;
 429         }
 430
 431         return 0;
 432 }
 433
 434 static void doAppUrgentBounce(void *arg)
 435 {
 436         WApplication *wapp = (WApplication *)arg;
 437
 438         if (appIsUrgent(wapp)) {
 439                 if(wPreferences.bounce_appicons_when_urgent) wAppBounce(wapp);
 440         } else {
 441                 WMDeleteTimerHandler(wapp->urgent_bounce_timer);
 442                 wapp->urgent_bounce_timer = NULL;
 443         }
 444 }
 445
 446 void wAppBounceWhileUrgent(WApplication *wapp)
 447 {
 448         if (!wapp) return;
 449         if (appIsUrgent(wapp)) {
 450                 if (!wapp->urgent_bounce_timer) {
 451                         wapp->urgent_bounce_timer = WMAddPersistentTimerHandler(URGENT_BOUNCE_DELAY, doAppUrgentBounce, wapp);
 452                         doAppUrgentBounce(wapp);
 453                 }
 454         } else {
 455                 if (wapp->urgent_bounce_timer) {
 456                         WMDeleteTimerHandler(wapp->urgent_bounce_timer);
 457                         wapp->urgent_bounce_timer = NULL;
 458                 }
 459         }
 460 }