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 "superfluous.h"
  37 #include "framewin.h"
  38 #include "window.h"
  39 #include "actions.h"
  40 #include "xinerama.h"
  41 #include "stacking.h"
  42
  43 #define PIECES ((64/ICON_KABOOM_PIECE_SIZE)*(64/ICON_KABOOM_PIECE_SIZE))
  44 #define KAB_PRECISION           4
  45 #define BOUNCE_HZ               25
  46 #define BOUNCE_DELAY            (1000/BOUNCE_HZ)
  47 #define BOUNCE_HEIGHT           24
  48 #define BOUNCE_LENGTH           0.3
  49 #define BOUNCE_DAMP             0.6
  50 #define URGENT_BOUNCE_DELAY     3000
  51
  52 extern WPreferences wPreferences;
  53
  54 void DoKaboom(WScreen * scr, Window win, int x, int y)
  55 {
  56 #ifdef NORMAL_ICON_KABOOM
  57         int i, j, k;
  58         int sw = scr->scr_width, sh = scr->scr_height;
  59         int px[PIECES];
  60         short py[PIECES];
  61         char pvx[PIECES], pvy[PIECES];
  62         /* in MkLinux/PPC gcc seems to think that char is unsigned? */
  63         signed char ax[PIECES], ay[PIECES];
  64         Pixmap tmp;
  65
  66         XSetClipMask(dpy, scr->copy_gc, None);
  67         tmp = XCreatePixmap(dpy, scr->root_win, wPreferences.icon_size, wPreferences.icon_size, scr->depth);
  68         if (scr->w_visual == DefaultVisual(dpy, scr->screen))
  69                 XCopyArea(dpy, win, tmp, scr->copy_gc, 0, 0, wPreferences.icon_size, wPreferences.icon_size, 0, 0);
  70         else {
  71                 XImage *image;
  72
  73                 image = XGetImage(dpy, win, 0, 0, wPreferences.icon_size,
  74                                   wPreferences.icon_size, AllPlanes, ZPixmap);
  75                 if (!image) {
  76                         XUnmapWindow(dpy, win);
  77                         return;
  78                 }
  79                 XPutImage(dpy, tmp, scr->copy_gc, image, 0, 0, 0, 0,
  80                           wPreferences.icon_size, wPreferences.icon_size);
  81                 XDestroyImage(image);
  82         }
  83
  84         for (i = 0, k = 0; i < wPreferences.icon_size / ICON_KABOOM_PIECE_SIZE && k < PIECES; i++) {
  85                 for (j = 0; j < wPreferences.icon_size / ICON_KABOOM_PIECE_SIZE && k < PIECES; j++) {
  86                         if (rand() % 2) {
  87                                 ax[k] = i;
  88                                 ay[k] = j;
  89                                 px[k] = (x + i * ICON_KABOOM_PIECE_SIZE) << KAB_PRECISION;
  90                                 py[k] = y + j * ICON_KABOOM_PIECE_SIZE;
  91                                 pvx[k] = rand() % (1 << (KAB_PRECISION + 3)) - (1 << (KAB_PRECISION + 3)) / 2;
  92                                 pvy[k] = -15 - rand() % 7;
  93                                 k++;
  94                         } else {
  95                                 ax[k] = -1;
  96                         }
  97                 }
  98         }
  99
 100         XUnmapWindow(dpy, win);
 101
 102         j = k;
 103         while (k > 0) {
 104                 XEvent foo;
 105
 106                 if (XCheckTypedEvent(dpy, ButtonPress, &foo)) {
 107                         XPutBackEvent(dpy, &foo);
 108                         XClearWindow(dpy, scr->root_win);
 109                         break;
 110                 }
 111
 112                 for (i = 0; i < j; i++) {
 113                         if (ax[i] >= 0) {
 114                                 int _px = px[i] >> KAB_PRECISION;
 115                                 XClearArea(dpy, scr->root_win, _px, py[i],
 116                                            ICON_KABOOM_PIECE_SIZE, ICON_KABOOM_PIECE_SIZE, False);
 117                                 px[i] += pvx[i];
 118                                 py[i] += pvy[i];
 119                                 _px = px[i] >> KAB_PRECISION;
 120                                 pvy[i]++;
 121                                 if (_px < -wPreferences.icon_size || _px > sw || py[i] >= sh) {
 122                                         ax[i] = -1;
 123                                         k--;
 124                                 } else {
 125                                         XCopyArea(dpy, tmp, scr->root_win, scr->copy_gc,
 126                                                   ax[i] * ICON_KABOOM_PIECE_SIZE, ay[i] * ICON_KABOOM_PIECE_SIZE,
 127                                                   ICON_KABOOM_PIECE_SIZE, ICON_KABOOM_PIECE_SIZE, _px, py[i]);
 128                                 }
 129                         }
 130                 }
 131
 132                 XFlush(dpy);
 133                 wusleep(MINIATURIZE_ANIMATION_DELAY_Z * 2);
 134         }
 135
 136         XFreePixmap(dpy, tmp);
 137 #endif  /* NORMAL_ICON_KABOOM */
 138 }
 139
 140 Pixmap MakeGhostIcon(WScreen * scr, Drawable drawable)
 141 {
 142         RImage *back;
 143         RColor color;
 144         Pixmap pixmap;
 145
 146         if (!drawable)
 147                 return None;
 148
 149         back = RCreateImageFromDrawable(scr->rcontext, drawable, None);
 150         if (!back)
 151                 return None;
 152
 153         color.red = 0xff;
 154         color.green = 0xff;
 155         color.blue = 0xff;
 156         color.alpha = 200;
 157
 158         RClearImage(back, &color);
 159         RConvertImage(scr->rcontext, back, &pixmap);
 160
 161         RReleaseImage(back);
 162
 163         return pixmap;
 164 }
 165
 166 void DoWindowBirth(WWindow *wwin)
 167 {
 168 #ifdef WINDOW_BIRTH_ZOOM
 169         int center_x, center_y;
 170         int width = wwin->frame->core->width;
 171         int height = wwin->frame->core->height;
 172         int w = WMIN(width, 20);
 173         int h = WMIN(height, 20);
 174         WScreen *scr = wwin->screen_ptr;
 175
 176         center_x = wwin->frame_x + (width - w) / 2;
 177         center_y = wwin->frame_y + (height - h) / 2;
 178
 179         animateResize(scr, center_x, center_y, 1, 1, wwin->frame_x, wwin->frame_y, width, height);
 180 #endif
 181 }
 182
 183 typedef struct AppBouncerData {
 184         WApplication *wapp;
 185         int count;
 186         int pow;
 187         int dir;
 188         WMHandlerID *timer;
 189 } AppBouncerData;
 190
 191 static void doAppBounce(void *arg)
 192 {
 193         AppBouncerData *data = (AppBouncerData*)arg;
 194         WAppIcon *aicon = data->wapp->app_icon;
 195
 196 reinit:
 197         if (aicon && data->wapp->refcount > 1) {
 198                 if (wPreferences.raise_appicons_when_bouncing)
 199                         XRaiseWindow(dpy, aicon->icon->core->window);
 200
 201                 const double ticks = BOUNCE_HZ * BOUNCE_LENGTH;
 202                 const double s = sqrt(BOUNCE_HEIGHT)/(ticks/2);
 203                 double h = BOUNCE_HEIGHT*pow(BOUNCE_DAMP, data->pow);
 204                 double sqrt_h = sqrt(h);
 205                 if (h > 3) {
 206                         double offset, x = s * data->count - sqrt_h;
 207                         if (x > sqrt_h) {
 208                                 ++data->pow;
 209                                 data->count = 0;
 210                                 goto reinit;
 211                         } else ++data->count;
 212                         offset = h - x*x;
 213
 214                         switch (data->dir) {
 215                         case 0: /* left, bounce to right */
 216                                 XMoveWindow(dpy, aicon->icon->core->window,
 217                                             aicon->x_pos + (int)offset, aicon->y_pos);
 218                                 break;
 219                         case 1: /* right, bounce to left */
 220                                 XMoveWindow(dpy, aicon->icon->core->window,
 221                                             aicon->x_pos - (int)offset, aicon->y_pos);
 222                                 break;
 223                         case 2: /* top, bounce down */
 224                                 XMoveWindow(dpy, aicon->icon->core->window,
 225                                             aicon->x_pos, aicon->y_pos + (int)offset);
 226                                 break;
 227                         case 3: /* bottom, bounce up */
 228                                 XMoveWindow(dpy, aicon->icon->core->window,
 229                                             aicon->x_pos, aicon->y_pos - (int)offset);
 230                                 break;
 231                         }
 232                         return;
 233                 }
 234         }
 235
 236         XMoveWindow(dpy, aicon->icon->core->window,
 237                         aicon->x_pos, aicon->y_pos);
 238         CommitStackingForWindow(aicon->icon->core);
 239         data->wapp->flags.bouncing = 0;
 240         WMDeleteTimerHandler(data->timer);
 241         wApplicationDestroy(data->wapp);
 242         free(data);
 243 }
 244
 245 static int bounceDirection(WAppIcon *aicon)
 246 {
 247         enum { left_e = 1, right_e = 2, top_e = 4, bottom_e = 8 };
 248
 249         WScreen *scr = aicon->icon->core->screen_ptr;
 250         WMRect rr, sr;
 251         int l, r, t, b, h, v;
 252         int dir = 0;
 253
 254         rr.pos.x = aicon->x_pos;
 255         rr.pos.y = aicon->y_pos;
 256         rr.size.width = rr.size.height = 64;
 257
 258         sr = wGetRectForHead(scr, wGetHeadForRect(scr, rr));
 259
 260         l = rr.pos.x - sr.pos.x;
 261         r = sr.pos.x + sr.size.width - rr.pos.x - rr.size.width;
 262         t = rr.pos.y - sr.pos.y;
 263         b = sr.pos.y + sr.size.height - rr.pos.y - rr.size.height;
 264
 265         if (l < r) {
 266                 dir |= left_e;
 267                 h = l;
 268         } else {
 269                 dir |= right_e;
 270                 h = r;
 271         }
 272
 273         if (t < b) {
 274                 dir |= top_e;
 275                 v = t;
 276         } else {
 277                 dir |= bottom_e;
 278                 v = b;
 279         }
 280
 281         if (aicon->dock && abs(aicon->xindex) != abs(aicon->yindex)) {
 282                 if (abs(aicon->xindex) < abs(aicon->yindex)) dir &= ~(top_e | bottom_e);
 283                 else dir &= ~(left_e | right_e);
 284         } else {
 285                 if (h < v) dir &= ~(top_e | bottom_e);
 286                 else dir &= ~(left_e | right_e);
 287         }
 288
 289         switch (dir) {
 290         case left_e:
 291                 dir = 0;
 292                 break;
 293
 294         case right_e:
 295                 dir = 1;
 296                 break;
 297
 298         case top_e:
 299                 dir = 2;
 300                 break;
 301
 302         case bottom_e:
 303                 dir = 3;
 304                 break;
 305
 306         default:
 307                 wwarning(_("Impossible direction: %d"), dir);
 308                 dir = 3;
 309                 break;
 310         }
 311
 312         return dir;
 313 }
 314
 315 void wAppBounce(WApplication *wapp)
 316 {
 317         if (!wPreferences.no_animations && wapp->app_icon && !wapp->flags.bouncing
 318                 && !wPreferences.do_not_make_appicons_bounce) {
 319                 ++wapp->refcount;
 320                 wapp->flags.bouncing = 1;
 321
 322                 AppBouncerData *data = (AppBouncerData *)malloc(sizeof(AppBouncerData));
 323                 data->wapp = wapp;
 324                 data->count = data->pow = 0;
 325                 data->dir = bounceDirection(wapp->app_icon);
 326                 data->timer = WMAddPersistentTimerHandler(BOUNCE_DELAY, doAppBounce, data);
 327         }
 328 }
 329
 330 static int appIsUrgent(WApplication *wapp)
 331 {
 332         WScreen *scr;
 333         WWindow *wlist;
 334
 335         if (!wapp->main_window_desc) {
 336                 wwarning("group leader not found for window group");
 337                 return 0;
 338         }
 339         scr = wapp->main_window_desc->screen_ptr;
 340         wlist = scr->focused_window;
 341         if (!wlist)
 342                 return 0;
 343
 344         while (wlist) {
 345                 if (wlist->main_window == wapp->main_window) {
 346                         if (wlist->flags.urgent)
 347                                 return 1;
 348                 }
 349                 wlist = wlist->prev;
 350         }
 351
 352         return 0;
 353 }
 354
 355 static void doAppUrgentBounce(void *arg)
 356 {
 357         WApplication *wapp = (WApplication *)arg;
 358
 359         if (appIsUrgent(wapp)) {
 360                 if(wPreferences.bounce_appicons_when_urgent) wAppBounce(wapp);
 361         } else {
 362                 WMDeleteTimerHandler(wapp->urgent_bounce_timer);
 363                 wapp->urgent_bounce_timer = NULL;
 364         }
 365 }
 366
 367 void wAppBounceWhileUrgent(WApplication *wapp)
 368 {
 369         if (!wapp) return;
 370         if (appIsUrgent(wapp)) {
 371                 if (!wapp->urgent_bounce_timer) {
 372                         wapp->urgent_bounce_timer = WMAddPersistentTimerHandler(URGENT_BOUNCE_DELAY, doAppUrgentBounce, wapp);
 373                         doAppUrgentBounce(wapp);
 374                 }
 375         } else {
 376                 if (wapp->urgent_bounce_timer) {
 377                         WMDeleteTimerHandler(wapp->urgent_bounce_timer);
 378                         wapp->urgent_bounce_timer = NULL;
 379                 }
 380         }
 381 }