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     if(frame->brush!=NULL)
 223         grbrush_set_window_shape(frame->brush, TRUE, 0, NULL);
 224 }
 225
 226
 227 static void free_title(WFrame *frame, int i)
 228 {
 229     if(frame->titles[i].text!=NULL){
 230         free(frame->titles[i].text);
 231         frame->titles[i].text=NULL;
 232     }
 233 }
 234
 235
 236 void frame_recalc_bar(WFrame *frame, bool complete)
 237 {
 238     int textw, i;
 239     WLListIterTmp tmp;
 240     WRegion *sub;
 241     char *title;
 242     bool set_shape;
 243
 244     if(frame->bar_brush==NULL || frame->titles==NULL)
 245         return;
 246
 247     set_shape=frame->tabs_params.alg(frame,complete);
 248
 249     if(set_shape) {
 250         if(frame->barmode==FRAME_BAR_SHAPED)
 251             frame_set_shape(frame);
 252         else
 253             frame_clear_shape(frame);
 254     }
 255
 256     i=0;
 257
 258     if(FRAME_MCOUNT(frame)==0){
 259         free_title(frame, i);
 260         textw=frame->titles[i].iw;
 261         if(textw>0){
 262             title=grbrush_make_label(frame->bar_brush, TR("<empty frame>"),
 263                                      textw);
 264             frame->titles[i].text=title;
 265         }
 266         return;
 267     }
 268
 269     FRAME_MX_FOR_ALL(sub, frame, tmp){
 270         free_title(frame, i);
 271         textw=frame->titles[i].iw;
 272         if(textw>0){
 273             title=region_make_label(sub, textw, frame->bar_brush);
 274             frame->titles[i].text=title;
 275         }
 276         i++;
 277     }
 278 }
 279
 280
 281 void frame_draw_bar(const WFrame *frame, bool complete)
 282 {
 283     WRectangle geom;
 284
 285     if(frame->bar_brush==NULL
 286        || !BAR_EXISTS(frame)
 287        || frame->titles==NULL){
 288         return;
 289     }
 290
 291     frame_bar_geom(frame, &geom);
 292
 293     grbrush_begin(frame->bar_brush, &geom, GRBRUSH_AMEND);
 294
 295     grbrush_init_attr(frame->bar_brush, &frame->baseattr);
 296
 297     grbrush_draw_textboxes(frame->bar_brush, &geom, frame->titles_n,
 298                            frame->titles, complete);
 299
 300     grbrush_end(frame->bar_brush);
 301 }
 302
 303 void frame_draw(const WFrame *frame, bool complete)
 304 {
 305     WRectangle geom;
 306
 307     if(frame->brush==NULL)
 308         return;
 309
 310     frame_border_geom(frame, &geom);
 311
 312     grbrush_begin(frame->brush, &geom, (complete ? 0 : GRBRUSH_NO_CLEAR_OK));
 313
 314     grbrush_init_attr(frame->brush, &frame->baseattr);
 315
 316     grbrush_draw_border(frame->brush, &geom);
 317
 318     frame_draw_bar(frame, TRUE);
 319
 320     grbrush_end(frame->brush);
 321 }
 322
 323
 324 void frame_brushes_updated(WFrame *frame)
 325 {
 326     WFrameBarMode barmode;
 327     ExtlTab tab;
 328     char *s;
 329
 330     if(frame->brush==NULL)
 331         return;
 332
 333     if(frame->mode==FRAME_MODE_FLOATING){
 334         barmode=FRAME_BAR_SHAPED;
 335     }else if(frame->mode==FRAME_MODE_TILED || frame->mode==FRAME_MODE_UNKNOWN ||
 336             frame->mode==FRAME_MODE_TRANSIENT_ALT){
 337         barmode=FRAME_BAR_INSIDE;
 338     }else{
 339         barmode=FRAME_BAR_NONE;
 340     }
 341
 342     if(grbrush_get_extra(frame->brush, "bar", 's', &s)){
 343         if(strcmp(s, "inside")==0)
 344             barmode=FRAME_BAR_INSIDE;
 345         else if(strcmp(s, "outside")==0)
 346             barmode=FRAME_BAR_OUTSIDE;
 347         else if(strcmp(s, "shaped")==0)
 348             barmode=FRAME_BAR_SHAPED;
 349         else if(strcmp(s, "none")==0)
 350             barmode=FRAME_BAR_NONE;
 351         free(s);
 352     }
 353
 354     frame->barmode=barmode;
 355
 356     if(barmode==FRAME_BAR_NONE || frame->bar_brush==NULL){
 357         frame->bar_h=0;
 358     }else{
 359         GrBorderWidths bdw;
 360         GrFontExtents fnte;
 361
 362         grbrush_get_border_widths(frame->bar_brush, &bdw);
 363         grbrush_get_font_extents(frame->bar_brush, &fnte);
 364
 365         frame->bar_h=bdw.top+bdw.bottom+fnte.max_height;
 366     }
 367
 368     /* tabs and bar width calculation stuff */
 369     frame_tabs_calc_brushes_updated(frame);
 370 }
 371
 372
 373 /*}}}*/
 374
 375
 376 /*{{{ Misc. */
 377
 378
 379 void frame_updategr(WFrame *frame)
 380 {
 381     frame_release_brushes(frame);
 382
 383     frame_initialise_gr(frame);
 384
 385     /* Update children */
 386     region_updategr_default((WRegion*)frame);
 387
 388     mplex_fit_managed(&frame->mplex);
 389     frame_recalc_bar(frame, TRUE);
 390     frame_set_background(frame, TRUE);
 391 }
 392
 393
 394 static StringIntMap frame_tab_styles[]={
 395     {"tab-frame-unknown", FRAME_MODE_UNKNOWN},
 396     {"tab-frame-unknown-alt", FRAME_MODE_UNKNOWN_ALT},
 397     {"tab-frame-tiled", FRAME_MODE_TILED},
 398     {"tab-frame-tiled-alt", FRAME_MODE_TILED_ALT},
 399     {"tab-frame-floating", FRAME_MODE_FLOATING},
 400     {"tab-frame-floating-alt", FRAME_MODE_FLOATING_ALT},
 401     {"tab-frame-transient", FRAME_MODE_TRANSIENT},
 402     {"tab-frame-transient-alt", FRAME_MODE_TRANSIENT_ALT},
 403     END_STRINGINTMAP
 404 };
 405
 406
 407 const char *framemode_get_tab_style(WFrameMode mode)
 408 {
 409     return stringintmap_key(frame_tab_styles, mode, "tab-frame");
 410 }
 411
 412
 413 const char *framemode_get_style(WFrameMode mode)
 414 {
 415     const char *p=framemode_get_tab_style(mode);
 416     assert(p!=NULL);
 417     return (p+4);
 418 }
 419
 420
 421 void frame_initialise_gr(WFrame *frame)
 422 {
 423     Window win=frame->mplex.win.win;
 424     WRootWin *rw=region_rootwin_of((WRegion*)frame);
 425     const char *style=framemode_get_style(frame->mode);
 426     const char *tab_style=framemode_get_tab_style(frame->mode);
 427
 428     frame->brush=gr_get_brush(win, rw, style);
 429
 430     if(frame->brush==NULL)
 431         return;
 432
 433     frame->bar_brush=grbrush_get_slave(frame->brush, rw, tab_style);
 434
 435     if(frame->bar_brush==NULL)
 436         return;
 437
 438     frame_brushes_updated(frame);
 439 }
 440
 441
 442 void frame_release_brushes(WFrame *frame)
 443 {
 444     if(frame->bar_brush!=NULL){
 445         grbrush_release(frame->bar_brush);
 446         frame->bar_brush=NULL;
 447     }
 448
 449     if(frame->brush!=NULL){
 450         grbrush_release(frame->brush);
 451         frame->brush=NULL;
 452     }
 453 }
 454
 455
 456 bool frame_set_background(WFrame *frame, bool set_always)
 457 {
 458     GrTransparency mode=GR_TRANSPARENCY_DEFAULT;
 459
 460     if(FRAME_CURRENT(frame)!=NULL){
 461         if(OBJ_IS(FRAME_CURRENT(frame), WClientWin)){
 462             WClientWin *cwin=(WClientWin*)FRAME_CURRENT(frame);
 463             mode=(cwin->flags&CLIENTWIN_PROP_TRANSPARENT
 464                   ? GR_TRANSPARENCY_YES : GR_TRANSPARENCY_NO);
 465         }else if(!OBJ_IS(FRAME_CURRENT(frame), WGroup)){
 466             mode=GR_TRANSPARENCY_NO;
 467         }
 468     }
 469
 470     if(mode!=frame->tr_mode || set_always){
 471         frame->tr_mode=mode;
 472         if(frame->brush!=NULL){
 473             grbrush_enable_transparency(frame->brush, mode);
 474             window_draw((WWindow*)frame, TRUE);
 475         }
 476         return TRUE;
 477     }
 478
 479     return FALSE;
 480 }
 481
 482
 483 void frame_setup_dragwin_style(WFrame *frame, GrStyleSpec *spec, int tab)
 484 {
 485     gr_stylespec_append(spec, &frame->baseattr);
 486     gr_stylespec_append(spec, &frame->titles[tab].attr);
 487 }
 488
 489
 490 /*}}}*/
 491
 492
 493 /*{{{ Activated/inactivated */
 494
 495
 496 void frame_inactivated(WFrame *frame)
 497 {
 498     ensure_create_attrs();
 499
 500     gr_stylespec_set(&frame->baseattr, GR_ATTR(inactive));
 501     gr_stylespec_unset(&frame->baseattr, GR_ATTR(active));
 502
 503     window_draw((WWindow*)frame, FALSE);
 504 }
 505
 506
 507 void frame_activated(WFrame *frame)
 508 {
 509     ensure_create_attrs();
 510
 511     gr_stylespec_set(&frame->baseattr, GR_ATTR(active));
 512     gr_stylespec_unset(&frame->baseattr, GR_ATTR(inactive));
 513
 514     window_draw((WWindow*)frame, FALSE);
 515 }
 516
 517
 518 /*}}}*/
 519