ioncore/frame-draw.c

   1 /*
   2  * ion/ioncore/frame-draw.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <string.h>
  10
  11 #include <libtu/objp.h>
  12 #include <libtu/minmax.h>
  13 #include <libtu/map.h>
  14
  15 #include "common.h"
  16 #include "frame.h"
  17 #include "framep.h"
  18 #include "frame-draw.h"
  19 #include "strings.h"
  20 #include "activity.h"
  21 #include "names.h"
  22 #include "gr.h"
  23 #include "gr-util.h"
  24
  25
  26 #define BAR_INSIDE_BORDER(FRAME) \
  27     ((FRAME)->barmode==FRAME_BAR_INSIDE || (FRAME)->barmode==FRAME_BAR_NONE)
  28 #define BAR_EXISTS(FRAME) ((FRAME)->barmode!=FRAME_BAR_NONE)
  29 #define BAR_H(FRAME) (FRAME)->bar_h
  30
  31
  32 /*{{{ Attributes */
  33
  34
  35 GR_DEFATTR(active);
  36 GR_DEFATTR(inactive);
  37 GR_DEFATTR(selected);
  38 GR_DEFATTR(unselected);
  39 GR_DEFATTR(tagged);
  40 GR_DEFATTR(not_tagged);
  41 GR_DEFATTR(dragged);
  42 GR_DEFATTR(not_dragged);
  43 GR_DEFATTR(activity);
  44 GR_DEFATTR(no_activity);
  45
  46
  47 static void ensure_create_attrs()
  48 {
  49     GR_ALLOCATTR_BEGIN;
  50     GR_ALLOCATTR(active);
  51     GR_ALLOCATTR(inactive);
  52     GR_ALLOCATTR(selected);
  53     GR_ALLOCATTR(unselected);
  54     GR_ALLOCATTR(tagged);
  55     GR_ALLOCATTR(not_tagged);
  56     GR_ALLOCATTR(dragged);
  57     GR_ALLOCATTR(not_dragged);
  58     GR_ALLOCATTR(no_activity);
  59     GR_ALLOCATTR(activity);
  60     GR_ALLOCATTR_END;
  61 }
  62
  63
  64 void frame_update_attr(WFrame *frame, int i, WRegion *reg)
  65 {
  66     GrStyleSpec *spec;
  67     bool selected, tagged, dragged, activity;
  68
  69     if(i>=frame->titles_n){
  70         /* Might happen when deinitialising */
  71         return;
  72     }
  73
  74     ensure_create_attrs();
  75
  76     spec=&frame->titles[i].attr;
  77
  78     selected=(reg==FRAME_CURRENT(frame));
  79     tagged=(reg!=NULL && reg->flags&REGION_TAGGED);
  80     dragged=(i==frame->tab_dragged_idx);
  81     activity=(reg!=NULL && region_is_activity_r(reg));
  82
  83     gr_stylespec_unalloc(spec);
  84     gr_stylespec_set(spec, selected ? GR_ATTR(selected) : GR_ATTR(unselected));
  85     gr_stylespec_set(spec, tagged ? GR_ATTR(tagged) : GR_ATTR(not_tagged));
  86     gr_stylespec_set(spec, dragged ? GR_ATTR(dragged) : GR_ATTR(not_dragged));
  87     gr_stylespec_set(spec, activity ? GR_ATTR(activity) : GR_ATTR(no_activity));
  88 }
  89
  90
  91 /*}}}*/
  92
  93
  94 /*{{{ (WFrame) dynfun default implementations */
  95
  96
  97 static uint get_spacing(const WFrame *frame)
  98 {
  99     GrBorderWidths bdw;
 100
 101     if(frame->brush==NULL)
 102         return 0;
 103
 104     grbrush_get_border_widths(frame->brush, &bdw);
 105
 106     return bdw.spacing;
 107 }
 108
 109
 110 void frame_border_geom(const WFrame *frame, WRectangle *geom)
 111 {
 112     geom->x=0;
 113     geom->y=0;
 114     geom->w=REGION_GEOM(frame).w;
 115     geom->h=REGION_GEOM(frame).h;
 116
 117     if(!BAR_INSIDE_BORDER(frame) && frame->brush!=NULL){
 118         geom->y+=frame->bar_h;
 119         geom->h=maxof(0, geom->h-frame->bar_h);
 120     }
 121 }
 122
 123
 124 void frame_border_inner_geom(const WFrame *frame, WRectangle *geom)
 125 {
 126     GrBorderWidths bdw;
 127
 128     frame_border_geom(frame, geom);
 129
 130     if(frame->brush!=NULL){
 131         grbrush_get_border_widths(frame->brush, &bdw);
 132
 133         geom->x+=bdw.left;
 134         geom->y+=bdw.top;
 135         geom->w=maxof(0, geom->w-(bdw.left+bdw.right));
 136         geom->h=maxof(0, geom->h-(bdw.top+bdw.bottom));
 137     }
 138 }
 139
 140
 141 void frame_bar_geom(const WFrame *frame, WRectangle *geom)
 142 {
 143     uint off;
 144
 145     if(BAR_INSIDE_BORDER(frame)){
 146         off=0; /*get_spacing(frame);*/
 147         frame_border_inner_geom(frame, geom);
 148     }else{
 149         off=0;
 150         geom->x=0;
 151         geom->y=0;
 152         geom->w=(frame->barmode==FRAME_BAR_SHAPED
 153                  ? frame->bar_w
 154                  : REGION_GEOM(frame).w);
 155     }
 156     geom->x+=off;
 157     geom->y+=off;
 158     geom->w=maxof(0, geom->w-2*off);
 159     geom->h=BAR_H(frame);
 160 }
 161
 162
 163 void frame_managed_geom(const WFrame *frame, WRectangle *geom)
 164 {
 165     uint spacing=get_spacing(frame);
 166
 167     frame_border_inner_geom(frame, geom);
 168
 169     /*
 170     geom->x+=spacing;
 171     geom->y+=spacing;
 172     geom->w-=2*spacing;
 173     geom->h-=2*spacing;
 174     */
 175
 176     if(BAR_INSIDE_BORDER(frame) && BAR_EXISTS(frame)){
 177         geom->y+=frame->bar_h+spacing;
 178         geom->h-=frame->bar_h+spacing;
 179     }
 180
 181     geom->w=maxof(geom->w, 0);
 182     geom->h=maxof(geom->h, 0);
 183 }
 184
 185
 186 int frame_shaded_height(const WFrame *frame)
 187 {
 188     if(frame->barmode==FRAME_BAR_NONE){
 189         return 0;
 190     }else if(!BAR_INSIDE_BORDER(frame)){
 191         return frame->bar_h;
 192     }else {
 193         GrBorderWidths bdw;
 194
 195         grbrush_get_border_widths(frame->brush, &bdw);
 196
 197         return frame->bar_h+bdw.top+bdw.bottom;
 198     }
 199 }
 200
 201
 202 void frame_set_shape(WFrame *frame)
 203 {
 204     WRectangle gs[2];
 205     int n=0;
 206
 207     if(frame->brush!=NULL){
 208         if(BAR_EXISTS(frame)){
 209             frame_bar_geom(frame, gs+n);
 210             n++;
 211         }
 212         frame_border_geom(frame, gs+n);
 213         n++;
 214
 215         grbrush_set_window_shape(frame->brush, TRUE, n, gs);
 216     }
 217 }
 218
 219
 220 void frame_clear_shape(WFrame *frame)
 221 {
 222     grbrush_set_window_shape(frame->brush, TRUE, 0, NULL);
 223 }
 224
 225
 226 #define CF_TAB_MAX_TEXT_X_OFF 10
 227
 228
 229 static void frame_shaped_recalc_bar_size(WFrame *frame, bool complete)
 230 {
 231     int bar_w=0, textw=0, tmaxw=frame->tab_min_w, tmp=0;
 232     WLListIterTmp itmp;
 233     WRegion *sub;
 234     const char *p;
 235     GrBorderWidths bdw;
 236     char *title;
 237     uint bdtotal;
 238     int i, m;
 239
 240     if(frame->bar_brush==NULL)
 241         return;
 242
 243     m=FRAME_MCOUNT(frame);
 244
 245     if(m>0){
 246         grbrush_get_border_widths(frame->bar_brush, &bdw);
 247         bdtotal=((m-1)*(bdw.tb_ileft+bdw.tb_iright+bdw.spacing)
 248                  +bdw.right+bdw.left);
 249
 250         FRAME_MX_FOR_ALL(sub, frame, itmp){
 251             p=region_displayname(sub);
 252             if(p==NULL)
 253                 continue;
 254
 255             textw=grbrush_get_text_width(frame->bar_brush,
 256                                          p, strlen(p));
 257             if(textw>tmaxw)
 258                 tmaxw=textw;
 259         }
 260
 261         bar_w=frame->bar_max_width_q*REGION_GEOM(frame).w;
 262         if(bar_w<frame->tab_min_w &&
 263            REGION_GEOM(frame).w>frame->tab_min_w)
 264             bar_w=frame->tab_min_w;
 265
 266         tmp=bar_w-bdtotal-m*tmaxw;
 267
 268         if(tmp>0){
 269             /* No label truncation needed, good. See how much can be padded. */
 270             tmp/=m*2;
 271             if(tmp>CF_TAB_MAX_TEXT_X_OFF)
 272                 tmp=CF_TAB_MAX_TEXT_X_OFF;
 273             bar_w=(tmaxw+tmp*2)*m+bdtotal;
 274         }else{
 275             /* Some labels must be truncated */
 276         }
 277     }else{
 278         bar_w=frame->tab_min_w;
 279         if(bar_w>frame->bar_max_width_q*REGION_GEOM(frame).w)
 280             bar_w=frame->bar_max_width_q*REGION_GEOM(frame).w;
 281     }
 282
 283     if(complete || frame->bar_w!=bar_w){
 284         frame->bar_w=bar_w;
 285         frame_set_shape(frame);
 286     }
 287 }
 288
 289
 290 static int init_title(WFrame *frame, int i)
 291 {
 292     int textw;
 293
 294     if(frame->titles[i].text!=NULL){
 295         free(frame->titles[i].text);
 296         frame->titles[i].text=NULL;
 297     }
 298
 299     textw=frame_nth_tab_iw((WFrame*)frame, i);
 300     frame->titles[i].iw=textw;
 301     return textw;
 302 }
 303
 304
 305 void frame_recalc_bar(WFrame *frame, bool complete)
 306 {
 307     int textw, i;
 308     WLListIterTmp tmp;
 309     WRegion *sub;
 310     char *title;
 311
 312     if(frame->bar_brush==NULL || frame->titles==NULL)
 313         return;
 314
 315     if(frame->barmode==FRAME_BAR_SHAPED)
 316         frame_shaped_recalc_bar_size(frame, complete);
 317     else if(complete)
 318         frame_clear_shape(frame);
 319
 320     i=0;
 321
 322     if(FRAME_MCOUNT(frame)==0){
 323         textw=init_title(frame, i);
 324         if(textw>0){
 325             title=grbrush_make_label(frame->bar_brush, TR("<empty frame>"),
 326                                      textw);
 327             frame->titles[i].text=title;
 328         }
 329         return;
 330     }
 331
 332     FRAME_MX_FOR_ALL(sub, frame, tmp){
 333         textw=init_title(frame, i);
 334         if(textw>0){
 335             title=region_make_label(sub, textw, frame->bar_brush);
 336             frame->titles[i].text=title;
 337         }
 338         i++;
 339     }
 340 }
 341
 342
 343 void frame_draw_bar(const WFrame *frame, bool complete)
 344 {
 345     WRectangle geom;
 346
 347     if(frame->bar_brush==NULL
 348        || !BAR_EXISTS(frame)
 349        || frame->titles==NULL){
 350         return;
 351     }
 352
 353     frame_bar_geom(frame, &geom);
 354
 355     grbrush_begin(frame->bar_brush, &geom, GRBRUSH_AMEND);
 356
 357     grbrush_init_attr(frame->bar_brush, &frame->baseattr);
 358
 359     grbrush_draw_textboxes(frame->bar_brush, &geom, frame->titles_n,
 360                            frame->titles, complete);
 361
 362     grbrush_end(frame->bar_brush);
 363 }
 364
 365 void frame_draw(const WFrame *frame, bool complete)
 366 {
 367     WRectangle geom;
 368
 369     if(frame->brush==NULL)
 370         return;
 371
 372     frame_border_geom(frame, &geom);
 373
 374     grbrush_begin(frame->brush, &geom, (complete ? 0 : GRBRUSH_NO_CLEAR_OK));
 375
 376     grbrush_init_attr(frame->brush, &frame->baseattr);
 377
 378     grbrush_draw_border(frame->brush, &geom);
 379
 380     frame_draw_bar(frame, TRUE);
 381
 382     grbrush_end(frame->brush);
 383 }
 384
 385
 386 void frame_brushes_updated(WFrame *frame)
 387 {
 388     WFrameBarMode barmode;
 389     ExtlTab tab;
 390     char *s;
 391
 392     if(frame->brush==NULL)
 393         return;
 394
 395     if(frame->mode==FRAME_MODE_FLOATING){
 396         barmode=FRAME_BAR_SHAPED;
 397     }else if(frame->mode==FRAME_MODE_TILED || frame->mode==FRAME_MODE_UNKNOWN ||
 398             frame->mode==FRAME_MODE_TRANSIENT_ALT){
 399         barmode=FRAME_BAR_INSIDE;
 400     }else{
 401         barmode=FRAME_BAR_NONE;
 402     }
 403
 404     if(grbrush_get_extra(frame->brush, "bar", 's', &s)){
 405         if(strcmp(s, "inside")==0)
 406             barmode=FRAME_BAR_INSIDE;
 407         else if(strcmp(s, "outside")==0)
 408             barmode=FRAME_BAR_OUTSIDE;
 409         else if(strcmp(s, "shaped")==0)
 410             barmode=FRAME_BAR_SHAPED;
 411         else if(strcmp(s, "none")==0)
 412             barmode=FRAME_BAR_NONE;
 413         free(s);
 414     }
 415
 416     frame->barmode=barmode;
 417
 418     if(barmode==FRAME_BAR_NONE || frame->bar_brush==NULL){
 419         frame->bar_h=0;
 420     }else{
 421         GrBorderWidths bdw;
 422         GrFontExtents fnte;
 423
 424         grbrush_get_border_widths(frame->bar_brush, &bdw);
 425         grbrush_get_font_extents(frame->bar_brush, &fnte);
 426
 427         frame->bar_h=bdw.top+bdw.bottom+fnte.max_height;
 428     }
 429
 430     /* shaped mode stuff */
 431     frame->tab_min_w=100;
 432     frame->bar_max_width_q=0.95;
 433
 434     if(grbrush_get_extra(frame->brush, "floatframe_tab_min_w",
 435                          'i', &(frame->tab_min_w))){
 436         if(frame->tab_min_w<=0)
 437             frame->tab_min_w=1;
 438     }
 439
 440     if(grbrush_get_extra(frame->brush, "floatframe_bar_max_w_q",
 441                          'd', &(frame->bar_max_width_q))){
 442         if(frame->bar_max_width_q<=0.0 || frame->bar_max_width_q>1.0)
 443             frame->bar_max_width_q=1.0;
 444     }
 445 }
 446
 447
 448 /*}}}*/
 449
 450
 451 /*{{{ Misc. */
 452
 453
 454 void frame_updategr(WFrame *frame)
 455 {
 456     frame_release_brushes(frame);
 457
 458     frame_initialise_gr(frame);
 459
 460     /* Update children */
 461     region_updategr_default((WRegion*)frame);
 462
 463     mplex_fit_managed(&frame->mplex);
 464     frame_recalc_bar(frame, TRUE);
 465     frame_set_background(frame, TRUE);
 466 }
 467
 468
 469 static StringIntMap frame_tab_styles[]={
 470     {"tab-frame-unknown", FRAME_MODE_UNKNOWN},
 471     {"tab-frame-unknown-alt", FRAME_MODE_UNKNOWN_ALT},
 472     {"tab-frame-tiled", FRAME_MODE_TILED},
 473     {"tab-frame-tiled-alt", FRAME_MODE_TILED_ALT},
 474     {"tab-frame-floating", FRAME_MODE_FLOATING},
 475     {"tab-frame-floating-alt", FRAME_MODE_FLOATING_ALT},
 476     {"tab-frame-transient", FRAME_MODE_TRANSIENT},
 477     {"tab-frame-transient-alt", FRAME_MODE_TRANSIENT_ALT},
 478     END_STRINGINTMAP
 479 };
 480
 481
 482 const char *framemode_get_tab_style(WFrameMode mode)
 483 {
 484     return stringintmap_key(frame_tab_styles, mode, "tab-frame");
 485 }
 486
 487
 488 const char *framemode_get_style(WFrameMode mode)
 489 {
 490     const char *p=framemode_get_tab_style(mode);
 491     assert(p!=NULL);
 492     return (p+4);
 493 }
 494
 495
 496 void frame_initialise_gr(WFrame *frame)
 497 {
 498     Window win=frame->mplex.win.win;
 499     WRootWin *rw=region_rootwin_of((WRegion*)frame);
 500     const char *style=framemode_get_style(frame->mode);
 501     const char *tab_style=framemode_get_tab_style(frame->mode);
 502
 503     frame->brush=gr_get_brush(win, rw, style);
 504
 505     if(frame->brush==NULL)
 506         return;
 507
 508     frame->bar_brush=grbrush_get_slave(frame->brush, rw, tab_style);
 509
 510     if(frame->bar_brush==NULL)
 511         return;
 512
 513     frame_brushes_updated(frame);
 514 }
 515
 516
 517 void frame_release_brushes(WFrame *frame)
 518 {
 519     if(frame->bar_brush!=NULL){
 520         grbrush_release(frame->bar_brush);
 521         frame->bar_brush=NULL;
 522     }
 523
 524     if(frame->brush!=NULL){
 525         grbrush_release(frame->brush);
 526         frame->brush=NULL;
 527     }
 528 }
 529
 530
 531 bool frame_set_background(WFrame *frame, bool set_always)
 532 {
 533     GrTransparency mode=GR_TRANSPARENCY_DEFAULT;
 534
 535     if(FRAME_CURRENT(frame)!=NULL){
 536         if(OBJ_IS(FRAME_CURRENT(frame), WClientWin)){
 537             WClientWin *cwin=(WClientWin*)FRAME_CURRENT(frame);
 538             mode=(cwin->flags&CLIENTWIN_PROP_TRANSPARENT
 539                   ? GR_TRANSPARENCY_YES : GR_TRANSPARENCY_NO);
 540         }else if(!OBJ_IS(FRAME_CURRENT(frame), WGroup)){
 541             mode=GR_TRANSPARENCY_NO;
 542         }
 543     }
 544
 545     if(mode!=frame->tr_mode || set_always){
 546         frame->tr_mode=mode;
 547         if(frame->brush!=NULL){
 548             grbrush_enable_transparency(frame->brush, mode);
 549             window_draw((WWindow*)frame, TRUE);
 550         }
 551         return TRUE;
 552     }
 553
 554     return FALSE;
 555 }
 556
 557
 558 void frame_setup_dragwin_style(WFrame *frame, GrStyleSpec *spec, int tab)
 559 {
 560     gr_stylespec_append(spec, &frame->baseattr);
 561     gr_stylespec_append(spec, &frame->titles[tab].attr);
 562 }
 563
 564
 565 /*}}}*/
 566
 567
 568 /*{{{ Activated/inactivated */
 569
 570
 571 void frame_inactivated(WFrame *frame)
 572 {
 573     ensure_create_attrs();
 574
 575     gr_stylespec_set(&frame->baseattr, GR_ATTR(inactive));
 576     gr_stylespec_unset(&frame->baseattr, GR_ATTR(active));
 577
 578     window_draw((WWindow*)frame, FALSE);
 579 }
 580
 581
 582 void frame_activated(WFrame *frame)
 583 {
 584     ensure_create_attrs();
 585
 586     gr_stylespec_set(&frame->baseattr, GR_ATTR(active));
 587     gr_stylespec_unset(&frame->baseattr, GR_ATTR(inactive));
 588
 589     window_draw((WWindow*)frame, FALSE);
 590 }
 591
 592
 593 /*}}}*/
 594