src/balloon.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1998-2002 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #ifdef BALLOON_TEXT
  25
  26 #include <X11/Xlib.h>
  27 #include <X11/Xutil.h>
  28 #ifdef SHAPED_BALLOON
  29 #include <X11/extensions/shape.h>
  30 #endif
  31
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35 #include <wraster.h>
  36
  37 #include "WindowMaker.h"
  38 #include "screen.h"
  39 #include "texture.h"
  40 #include "wcore.h"
  41 #include "framewin.h"
  42 #include "icon.h"
  43 #include "appicon.h"
  44 #include "funcs.h"
  45 #include "workspace.h"
  46 #include "balloon.h"
  47
  48
  49
  50 extern WPreferences wPreferences;
  51
  52 typedef struct _WBalloon {
  53     Window window;
  54
  55 #ifdef SHAPED_BALLOON
  56     GC monoGC;
  57 #endif
  58     int prevType;
  59
  60     Window objectWindow;
  61     char *text;
  62     int h;
  63
  64     WMHandlerID timer;
  65
  66     Pixmap contents;
  67
  68     char mapped;
  69     char ignoreTimer;
  70 } WBalloon;
  71
  72
  73 #define TOP     0
  74 #define BOTTOM  1
  75 #define LEFT    0
  76 #define RIGHT   2
  77
  78 #define TLEFT   (TOP|LEFT)
  79 #define TRIGHT  (TOP|RIGHT)
  80 #define BLEFT   (BOTTOM|LEFT)
  81 #define BRIGHT  (BOTTOM|RIGHT)
  82
  83
  84 #ifdef SHAPED_BALLOON
  85
  86 #define         SPACE   12
  87
  88
  89 static void
  90 drawBalloon(WScreen *scr, Pixmap bitmap, Pixmap pix, int x, int y, int w,
  91             int h, int side)
  92 {
  93     GC bgc = scr->balloon->monoGC;
  94     GC gc = scr->draw_gc;
  95     int rad = h*3/10;
  96     XPoint pt[3], ipt[3];
  97     int w1;
  98
  99     /* outline */
 100     XSetForeground(dpy, bgc, 1);
 101
 102     XFillArc(dpy, bitmap, bgc, x, y, rad, rad, 90*64, 90*64);
 103     XFillArc(dpy, bitmap, bgc, x, y+h-1-rad, rad, rad, 180*64, 90*64);
 104
 105     XFillArc(dpy, bitmap, bgc, x+w-1-rad, y, rad, rad, 0*64, 90*64);
 106     XFillArc(dpy, bitmap, bgc, x+w-1-rad, y+h-1-rad, rad, rad, 270*64, 90*64);
 107
 108     XFillRectangle(dpy, bitmap, bgc, x, y+rad/2, w, h-rad);
 109     XFillRectangle(dpy, bitmap, bgc, x+rad/2, y, w-rad, h);
 110
 111     /* interior */
 112     XSetForeground(dpy, gc, scr->white_pixel);
 113
 114     XFillArc(dpy, pix, gc, x+1, y+1, rad, rad, 90*64, 90*64);
 115     XFillArc(dpy, pix, gc, x+1, y+h-2-rad, rad, rad, 180*64, 90*64);
 116
 117     XFillArc(dpy, pix, gc, x+w-2-rad, y+1, rad, rad, 0*64, 90*64);
 118     XFillArc(dpy, pix, gc, x+w-2-rad, y+h-2-rad, rad, rad, 270*64, 90*64);
 119
 120     XFillRectangle(dpy, pix, gc, x+1, y+1+rad/2, w-2, h-2-rad);
 121     XFillRectangle(dpy, pix, gc, x+1+rad/2, y+1, w-2-rad, h-2);
 122
 123     if (side & BOTTOM) {
 124         pt[0].y = y+h-1;
 125         pt[1].y = y+h-1+SPACE;
 126         pt[2].y = y+h-1;
 127         ipt[0].y = pt[0].y-1;
 128         ipt[1].y = pt[1].y-1;
 129         ipt[2].y = pt[2].y-1;
 130     } else {
 131         pt[0].y = y;
 132         pt[1].y = y-SPACE;
 133         pt[2].y = y;
 134         ipt[0].y = pt[0].y+1;
 135         ipt[1].y = pt[1].y+1;
 136         ipt[2].y = pt[2].y+1;
 137     }
 138
 139     /*w1 = WMAX(h, 24);*/
 140     w1 = WMAX(h, 21);
 141
 142     if (side & RIGHT) {
 143         pt[0].x = x+w-w1+2*w1/16;
 144         pt[1].x = x+w-w1+11*w1/16;
 145         pt[2].x = x+w-w1+7*w1/16;
 146         ipt[0].x = x+1+w-w1+2*(w1-1)/16;
 147         ipt[1].x = x+1+w-w1+11*(w1-1)/16;
 148         ipt[2].x = x+1+w-w1+7*(w1-1)/16;
 149         /*ipt[0].x = pt[0].x+1;
 150         ipt[1].x = pt[1].x;
 151         ipt[2].x = pt[2].x;*/
 152     } else {
 153         pt[0].x = x+w1-2*w1/16;
 154         pt[1].x = x+w1-11*w1/16;
 155         pt[2].x = x+w1-7*w1/16;
 156         ipt[0].x = x-1+w1-2*(w1-1)/16;
 157         ipt[1].x = x-1+w1-11*(w1-1)/16;
 158         ipt[2].x = x-1+w1-7*(w1-1)/16;
 159         /*ipt[0].x = pt[0].x-1;
 160         ipt[1].x = pt[1].x;
 161         ipt[2].x = pt[2].x;*/
 162     }
 163
 164     XFillPolygon(dpy, bitmap, bgc, pt, 3, Convex, CoordModeOrigin);
 165     XFillPolygon(dpy, pix, gc, ipt, 3, Convex, CoordModeOrigin);
 166
 167     /* fix outline */
 168     XSetForeground(dpy, gc, scr->black_pixel);
 169
 170     XDrawLines(dpy, pix, gc, pt, 3, CoordModeOrigin);
 171     if (side & RIGHT) {
 172         pt[0].x++;
 173         pt[2].x--;
 174     } else {
 175         pt[0].x--;
 176         pt[2].x++;
 177     }
 178     XDrawLines(dpy, pix, gc, pt, 3, CoordModeOrigin);
 179 }
 180
 181
 182 static Pixmap
 183 makePixmap(WScreen *scr, int width, int height, int side, Pixmap *mask)
 184 {
 185     WBalloon *bal = scr->balloon;
 186     Pixmap bitmap;
 187     Pixmap pixmap;
 188     int x, y;
 189
 190     bitmap = XCreatePixmap(dpy, scr->root_win, width+SPACE, height+SPACE, 1);
 191
 192     if (!bal->monoGC) {
 193         bal->monoGC = XCreateGC(dpy, bitmap, 0, NULL);
 194     }
 195     XSetForeground(dpy, bal->monoGC, 0);
 196     XFillRectangle(dpy, bitmap, bal->monoGC, 0, 0, width+SPACE, height+SPACE);
 197
 198     pixmap = XCreatePixmap(dpy, scr->root_win, width+SPACE, height+SPACE,
 199                            scr->w_depth);
 200     XSetForeground(dpy, scr->draw_gc, scr->black_pixel);
 201     XFillRectangle(dpy, pixmap, scr->draw_gc, 0, 0, width+SPACE, height+SPACE);
 202
 203     if (side & BOTTOM) {
 204         y = 0;
 205     } else {
 206         y = SPACE;
 207     }
 208     x = 0;
 209
 210     drawBalloon(scr, bitmap, pixmap, x, y, width, height, side);
 211
 212     *mask = bitmap;
 213
 214     return pixmap;
 215 }
 216
 217
 218 static void
 219 showText(WScreen *scr, int x, int y, int h, int w, char *text)
 220 {
 221     int width;
 222     int height;
 223     Pixmap pixmap;
 224     Pixmap mask;
 225     WMFont *font = scr->info_text_font;
 226     int side = 0;
 227     int ty;
 228     int bx, by;
 229
 230     if (scr->balloon->contents)
 231         XFreePixmap(dpy, scr->balloon->contents);
 232
 233     width = WMWidthOfString(font, text, strlen(text))+16;
 234     height = WMFontHeight(font) + 4;
 235
 236     if (height < 16)
 237         height = 16;
 238     if (width < height)
 239         width = height;
 240
 241
 242     if (x + width > scr->scr_width) {
 243         side = RIGHT;
 244         bx = x - width + w/2;
 245         if (bx < 0)
 246             bx = 0;
 247     } else {
 248         side = LEFT;
 249         bx = x + w/2;
 250     }
 251     if (bx + width > scr->scr_width)
 252         bx = scr->scr_width - width;
 253
 254     if (y - (height + SPACE) < 0) {
 255         side |= TOP;
 256         by = y+h-1;
 257         ty = SPACE;
 258     } else {
 259         side |= BOTTOM;
 260         by = y - (height + SPACE);
 261         ty = 0;
 262     }
 263     pixmap = makePixmap(scr, width, height, side, &mask);
 264
 265     WMDrawString(scr->wmscreen, pixmap, scr->black, font, 8,
 266                  ty + (height - WMFontHeight(font))/2,
 267                  text, strlen(text));
 268
 269     XSetWindowBackgroundPixmap(dpy, scr->balloon->window, pixmap);
 270     scr->balloon->contents = pixmap;
 271
 272     XResizeWindow(dpy, scr->balloon->window, width, height+SPACE);
 273     XShapeCombineMask(dpy, scr->balloon->window, ShapeBounding, 0, 0, mask,
 274                       ShapeSet);
 275     XFreePixmap(dpy, mask);
 276     XMoveWindow(dpy, scr->balloon->window, bx, by);
 277     XMapRaised(dpy, scr->balloon->window);
 278
 279
 280     scr->balloon->mapped = 1;
 281 }
 282 #else /* !SHAPED_BALLOON */
 283 static void
 284 showText(WScreen *scr, int x, int y, int h, int w, char *text)
 285 {
 286     int width;
 287     int height;
 288     Pixmap pixmap;
 289     WMFont *font = scr->info_text_font;
 290
 291     if (scr->balloon->contents)
 292         XFreePixmap(dpy, scr->balloon->contents);
 293
 294     width = WMWidthOfString(font, text, strlen(text))+8;
 295     height = WMFontHeight(font) + 4;
 296
 297     if (x < 0)
 298         x = 0;
 299     else if (x + width > scr->scr_width-1)
 300         x = scr->scr_width - width;
 301
 302     if (y - height - 2 < 0) {
 303         y += h;
 304         if (y < 0)
 305             y = 0;
 306     } else {
 307         y -= height + 2;
 308     }
 309
 310     if (scr->window_title_texture[0])
 311         XSetForeground(dpy, scr->draw_gc,
 312                        scr->window_title_texture[0]->any.color.pixel);
 313     else
 314         XSetForeground(dpy, scr->draw_gc, scr->light_pixel);
 315
 316     pixmap = XCreatePixmap(dpy, scr->root_win, width, height, scr->w_depth);
 317     XFillRectangle(dpy, pixmap, scr->draw_gc, 0, 0, width, height);
 318
 319     WMDrawString(scr->wmscreen, pixmap, scr->window_title_color[0], font, 4, 2,
 320                  text, strlen(text));
 321
 322     XResizeWindow(dpy, scr->balloon->window, width, height);
 323     XMoveWindow(dpy, scr->balloon->window, x, y);
 324
 325     XSetWindowBackgroundPixmap(dpy, scr->balloon->window, pixmap);
 326     XClearWindow(dpy, scr->balloon->window);
 327     XMapRaised(dpy, scr->balloon->window);
 328
 329     scr->balloon->contents = pixmap;
 330
 331     scr->balloon->mapped = 1;
 332 }
 333 #endif /* !SHAPED_BALLOON */
 334
 335
 336 static void
 337 showBalloon(WScreen *scr)
 338 {
 339     int x, y;
 340     Window foow;
 341     unsigned foo, w;
 342
 343     if (scr->balloon) {
 344         scr->balloon->timer = NULL;
 345         scr->balloon->ignoreTimer = 1;
 346     }
 347
 348     if (!XGetGeometry(dpy, scr->balloon->objectWindow, &foow, &x, &y,
 349                       &w, &foo, &foo, &foo)) {
 350         scr->balloon->prevType = 0;
 351         return;
 352     }
 353     showText(scr, x, y, scr->balloon->h, w, scr->balloon->text);
 354 }
 355
 356
 357
 358 static void
 359 frameBalloon(WObjDescriptor *object)
 360 {
 361     WFrameWindow *fwin = (WFrameWindow*)object->parent;
 362     WScreen *scr = fwin->core->screen_ptr;
 363
 364     if (fwin->titlebar != object->self
 365         || !fwin->flags.is_client_window_frame) {
 366         wBalloonHide(scr);
 367         return;
 368     }
 369     if (fwin->title && fwin->flags.incomplete_title) {
 370         scr->balloon->h = (fwin->titlebar ? fwin->titlebar->height : 0);
 371         scr->balloon->text = wstrdup(fwin->title);
 372         scr->balloon->objectWindow = fwin->core->window;
 373         scr->balloon->timer = WMAddTimerHandler(BALLOON_DELAY,
 374                                                 (WMCallback*)showBalloon, scr);
 375     }
 376 }
 377
 378
 379 static void
 380 miniwindowBalloon(WObjDescriptor *object)
 381 {
 382     WIcon *icon = (WIcon*)object->parent;
 383     WScreen *scr = icon->core->screen_ptr;
 384
 385     if (!icon->icon_name) {
 386         wBalloonHide(scr);
 387         return;
 388     }
 389     scr->balloon->h = icon->core->height;
 390     scr->balloon->text = wstrdup(icon->icon_name);
 391     scr->balloon->objectWindow = icon->core->window;
 392     if ((scr->balloon->prevType == object->parent_type
 393     || scr->balloon->prevType == WCLASS_APPICON)
 394         && scr->balloon->ignoreTimer) {
 395         XUnmapWindow(dpy, scr->balloon->window);
 396         showBalloon(scr);
 397     } else {
 398         scr->balloon->timer = WMAddTimerHandler(BALLOON_DELAY,
 399                                                 (WMCallback*)showBalloon, scr);
 400     }
 401 }
 402
 403
 404
 405 static void
 406 appiconBalloon(WObjDescriptor *object)
 407 {
 408     WAppIcon *aicon = (WAppIcon*)object->parent;
 409     WScreen *scr = aicon->icon->core->screen_ptr;
 410     char *tmp;
 411
 412     if (aicon->command && aicon->wm_class) {
 413         int len = strlen(aicon->command)+strlen(aicon->wm_class)+8;
 414         tmp = wmalloc(len);
 415         snprintf(tmp, len, "%s (%s)", aicon->wm_class, aicon->command);
 416         scr->balloon->text = tmp;
 417     } else if (aicon->command) {
 418         scr->balloon->text = wstrdup(aicon->command);
 419     } else if (aicon->wm_class) {
 420         scr->balloon->text = wstrdup(aicon->wm_class);
 421     } else {
 422         wBalloonHide(scr);
 423         return;
 424     }
 425     scr->balloon->h = aicon->icon->core->height-2;
 426
 427     scr->balloon->objectWindow = aicon->icon->core->window;
 428     if ((scr->balloon->prevType == object->parent_type
 429     || scr->balloon->prevType == WCLASS_MINIWINDOW)
 430         && scr->balloon->ignoreTimer) {
 431         XUnmapWindow(dpy, scr->balloon->window);
 432         showBalloon(scr);
 433     } else {
 434         scr->balloon->timer = WMAddTimerHandler(BALLOON_DELAY,
 435                                                 (WMCallback*)showBalloon, scr);
 436     }
 437 }
 438
 439
 440
 441 void
 442 wBalloonInitialize(WScreen *scr)
 443 {
 444     WBalloon *bal;
 445     XSetWindowAttributes attribs;
 446     unsigned long vmask;
 447
 448     bal = wmalloc(sizeof(WBalloon));
 449     memset(bal, 0, sizeof(WBalloon));
 450
 451     scr->balloon = bal;
 452
 453     vmask = CWSaveUnder|CWOverrideRedirect|CWColormap|CWBackPixel
 454         |CWBorderPixel;
 455     attribs.save_under = True;
 456     attribs.override_redirect = True;
 457     attribs.colormap = scr->w_colormap;
 458     attribs.background_pixel = scr->icon_back_texture->normal.pixel;
 459     attribs.border_pixel = 0; /* do not care */
 460
 461     bal->window = XCreateWindow(dpy, scr->root_win, 1, 1, 10, 10, 1,
 462                                 scr->w_depth, CopyFromParent,
 463                                 scr->w_visual, vmask, &attribs);
 464 #if 0
 465     /* select EnterNotify to so that the balloon will be unmapped
 466      * when the pointer is moved over it */
 467     XSelectInput(dpy, bal->window, EnterWindowMask);
 468 #endif
 469 }
 470
 471
 472
 473 void
 474 wBalloonEnteredObject(WScreen *scr, WObjDescriptor *object)
 475 {
 476     WBalloon *balloon = scr->balloon;
 477
 478     if (balloon->timer) {
 479         WMDeleteTimerHandler(balloon->timer);
 480         balloon->timer = NULL;
 481         balloon->ignoreTimer = 0;
 482     }
 483
 484     if (scr->balloon->text)
 485         wfree(scr->balloon->text);
 486     scr->balloon->text = NULL;
 487
 488     if (!object) {
 489         wBalloonHide(scr);
 490         balloon->ignoreTimer = 0;
 491         return;
 492     }
 493     switch (object->parent_type) {
 494      case WCLASS_FRAME:
 495         if (wPreferences.window_balloon) {
 496             frameBalloon(object);
 497         }
 498         break;
 499
 500      case WCLASS_DOCK_ICON:
 501         if (object->parent != scr->clip_icon && wPreferences.appicon_balloon)
 502             appiconBalloon(object);
 503         else
 504             wBalloonHide(scr);
 505         break;
 506
 507      case WCLASS_MINIWINDOW:
 508         if (wPreferences.miniwin_balloon) {
 509             miniwindowBalloon(object);
 510         }
 511         break;
 512      case WCLASS_APPICON:
 513         if (wPreferences.appicon_balloon)
 514             appiconBalloon(object);
 515         break;
 516      default:
 517         wBalloonHide(scr);
 518         break;
 519     }
 520     scr->balloon->prevType = object->parent_type;
 521 }
 522
 523
 524
 525 void
 526 wBalloonHide(WScreen *scr)
 527 {
 528     if (scr) {
 529         if (scr->balloon->mapped) {
 530             XUnmapWindow(dpy, scr->balloon->window);
 531             scr->balloon->mapped = 0;
 532         } else if (scr->balloon->timer) {
 533             WMDeleteTimerHandler(scr->balloon->timer);
 534             scr->balloon->timer = NULL;
 535         }
 536         scr->balloon->prevType = 0;
 537     }
 538 }
 539 #endif