gui.c

   1 #include "gui.h"
   2 #include "dims.h"
   3 #include "xprop.h"
   4 #include "icon.h"
   5 #include "rspanel.h"
   6
   7 #include <openbox/theme.h>
   8
   9 static int pager_size;
  10
  11 static RrAppearance *background;
  12 static RrAppearance *focused_task;
  13 static RrAppearance *iconified_task;
  14 static RrAppearance *unfocused_task;
  15 static RrAppearance *normal_text;
  16 static RrAppearance *iconified_text;
  17 static RrAppearance *shaded_text;
  18 static RrAppearance *focused_text;
  19 static RrAppearance *a_icon;
  20 static RrColor      *normal_text_color;
  21 static RrColor      *focused_text_color;
  22
  23 /* you can edit these */
  24 #define MAX_TASK_WIDTH 500
  25 #define HEIGHT (24 - sc->theme->obwidth)
  26 #define PADDING 2
  27 #define ICON_SIZE (HEIGHT - sc->theme->obwidth - PADDING*2)
  28 #define ICON_SPACE (ICON_SIZE + PADDING*2)
  29
  30 static void set_icon_geometry(screen *sc, taskbar *tb, task *tk);
  31
  32 #define SURF(x) with->surface.x
  33 #define TEXT(x) with->texture[0].data.text.x
  34 #define USE(x) (with = x)
  35 #define SETTEXT(x, y, z) with->texture[0].type = RR_TEXTURE_TEXT; \
  36                          with->texture[0].data.text.font = x; \
  37                          with->texture[0].data.text.justify = y; \
  38                          with->texture[0].data.text.ellipsize = z;
  39 #define SETSHADOW(y, z, u, v) with->texture[0].data.text.shadow_offset_x = y; \
  40                               with->texture[0].data.text.shadow_offset_y = z; \
  41                               with->texture[0].data.text.shadow_alpha = u; \
  42                               with->texture[0].data.text.shadow_color = v;
  43
  44 void gui_init(screen *sc)
  45 {
  46     XGCValues gcv;
  47
  48     gcv.graphics_exposures = False;
  49     sc->fore_gc = XCreateGC(sc->dd, sc->root, GCGraphicsExposures, &gcv);
  50
  51     gui_load_theme(sc, NULL);
  52 }
  53
  54 void gui_load_theme(screen *sc, taskbar *tb)
  55 {
  56     RrFont *font;
  57     RrAppearance *with;
  58     char *name;
  59
  60     printf("loading theme\n");
  61
  62     RrAppearanceFree(background);
  63     RrAppearanceFree(focused_task);
  64     RrAppearanceFree(iconified_task);
  65     RrAppearanceFree(unfocused_task);
  66     RrAppearanceFree(normal_text);
  67     RrAppearanceFree(iconified_text);
  68     RrAppearanceFree(shaded_text);
  69     RrAppearanceFree(focused_text);
  70     RrAppearanceFree(a_icon);
  71     RrColorFree(normal_text_color);
  72     RrColorFree(focused_text_color);
  73
  74     name = xprop_get_utf8(sc, sc->root, _OB_THEME);
  75     RrThemeFree(sc->theme);
  76     sc->theme = RrThemeNew(sc->rr, name, TRUE, NULL, NULL, NULL, NULL, NULL);
  77
  78     /* We don't allow different fonts for various window states... */
  79     font = RrFontOpen(sc->rr, "Candara, sans", 10,
  80                       RR_FONTWEIGHT_NORMAL, RR_FONTSLANT_NORMAL);
  81
  82     /* this appearance will be used to draw icons */
  83     a_icon = RrAppearanceNew(sc->rr, 1);
  84     USE(a_icon);
  85     SURF(grad) = RR_SURFACE_PARENTREL;
  86     a_icon->texture[0].type = RR_TEXTURE_RGBA;
  87
  88     /* this is the appearance for the background of the panel */
  89     background = RrAppearanceCopy(sc->theme->osd_hilite_bg);
  90
  91     /* this is the appearance for unfocused tasks,
  92      * text needs to be separate appearances so we can align it correctly */
  93     unfocused_task = RrAppearanceNew(sc->rr, 0);
  94     USE(unfocused_task);
  95     SURF(parent) = background;
  96     SURF(grad) = RR_SURFACE_PARENTREL;
  97
  98     /* ... for iconified tasks, also used for shaded ones currently */
  99     iconified_task = RrAppearanceCopy(unfocused_task);
 100     USE(iconified_task);
 101     SURF(parent) = background; /* RrAppearanceCopy doesn't copy .parent */
 102
 103     /* ... for focused tasks */
 104     focused_task = RrAppearanceCopy(sc->theme->a_hover_focused_max);
 105     USE(focused_task);
 106     SURF(parent) = background;
 107
 108     /* this is the text used for all normal unfocused tasks */
 109     /* we don't set .parent here, but in draw_task, since we
 110      * want to combine _task and _text semirandomly.
 111      * XXX plz not when themes are here */
 112     normal_text = RrAppearanceCopy(sc->theme->osd_hilite_label);
 113     normal_text_color = RrColorNew(sc->rr,
 114                                    RrColorRed(sc->theme->osd_color),
 115                                    RrColorGreen(sc->theme->osd_color),
 116                                    RrColorBlue(sc->theme->osd_color));
 117     USE(normal_text);
 118     TEXT(color) = normal_text_color;
 119     TEXT(ellipsize) = RR_ELLIPSIZE_END;
 120
 121     /* ... for iconified tasks */
 122     iconified_text = RrAppearanceCopy(normal_text);
 123     shaded_text = RrAppearanceCopy(normal_text);
 124
 125     focused_text = RrAppearanceCopy(normal_text);
 126     focused_text_color =
 127         RrColorNew(sc->rr,
 128                    RrColorRed(sc->theme->titlebut_hover_focused_color),
 129                    RrColorGreen(sc->theme->titlebut_hover_focused_color),
 130                    RrColorBlue(sc->theme->titlebut_hover_focused_color));
 131     USE(focused_text);
 132     TEXT(color) = focused_text_color;
 133     TEXT(ellipsize) = RR_ELLIPSIZE_END;
 134
 135     XFree(name);
 136
 137     if (tb) tb->draww = tb->drawh = 0; /* make sure the taskbar redraws */
 138 }
 139
 140 void gui_create_taskbar(screen *sc, taskbar *tb)
 141 {
 142     XSizeHints size_hints;
 143     XSetWindowAttributes att;
 144     XClassHint xclhints;
 145
 146     att.event_mask = ButtonPressMask;
 147
 148     /* XXX make this stuff configurable */
 149     tb->w = sc->width * 0.65;
 150     tb->h = HEIGHT;
 151
 152     tb->x = (sc->width - tb->w) / 2;
 153     tb->y = sc->height - tb->h;
 154
 155     tb->win = XCreateWindow(/* display  */ sc->dd,
 156                             /* parent   */ sc->root,
 157                             /* x        */ tb->x,
 158                             /* y        */ tb->y,
 159                             /* width    */ tb->w,
 160                             /* height   */ tb->h,
 161                             /* border   */ 0,
 162                             /* depth    */ CopyFromParent,
 163                             /* class    */ InputOutput,
 164                             /* visual   */ CopyFromParent,
 165                             /*value mask*/ CWEventMask,
 166                             /* attribs  */ &att);
 167     tb->bgwin = XCreateWindow(/* display  */ sc->dd,
 168                               /* parent   */ tb->win,
 169                               /* x        */ 0,
 170                               /* y        */ 0,
 171                               /* width    */ tb->w,
 172                               /* height   */ tb->h,
 173                               /* border   */ 0,
 174                               /* depth    */ CopyFromParent,
 175                               /* class    */ InputOutput,
 176                               /* visual   */ CopyFromParent,
 177                               /*value mask*/ 0,
 178                               /* attribs  */ 0);
 179     tb->bg = None;
 180
 181     /* reside on ALL desktops */
 182     xprop_set_num(sc, tb->win, _NET_WM_DESKTOP, 0xFFFFFFFF);
 183     xprop_set_atom(sc, tb->win, _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK);
 184     xprop_set_atom(sc, tb->win, _NET_WM_STATE, _NET_WM_STATE_BELOW);
 185     xprop_set_string(sc, tb->win, WM_NAME, "rspanel");
 186
 187     /* make sure the WM obays our window position */
 188     size_hints.flags = PPosition;
 189     size_hints.x = tb->x;
 190     size_hints.y = tb->y;
 191     /*XSetWMNormalHints (sc->dd, tb->win, &size_hints); */
 192     XChangeProperty(sc->dd, tb->win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32,
 193                     PropModeReplace, (unsigned char *)&size_hints,
 194                     sizeof(XSizeHints) / 4);
 195
 196     xclhints.res_name = "rspanel";
 197     xclhints.res_class = "RSPanel";
 198     XSetClassHint(sc->dd, tb->win, &xclhints);
 199
 200     XMapWindow(sc->dd, tb->win);
 201     XMapWindow(sc->dd, tb->bgwin);
 202 }
 203
 204 void gui_draw_task(screen *sc, taskbar *tb, task *tk, int redraw)
 205 {
 206     RrAppearance *a;
 207     RrAppearance *b;
 208     const icon *i;
 209     int icon_space = 0;
 210     char *name;
 211
 212     if (tk->iconified)
 213         b = iconified_task;
 214     else if (tk->focused)
 215         b = focused_task;
 216     else if (tk->shaded)
 217         b = iconified_task;
 218     else
 219         b = unfocused_task;
 220
 221     if (tk->iconified)
 222         a = iconified_text;
 223     else if (tk->shaded)
 224         a = shaded_text;
 225     else if (tk->focused)
 226         a = focused_text;
 227     else
 228         a = normal_text;
 229
 230     if (tk->iconified)
 231         name = g_strconcat("(", tk->name, ")", NULL);
 232     else
 233         name = g_strdup(tk->name);
 234
 235     i = icon_get_best(tk->icons, tk->nicons, ICON_SIZE, ICON_SIZE);
 236
 237     if (i) {
 238         RrTextureRGBA *d = &a_icon->texture[0].data.rgba;
 239         icon_space = ICON_SPACE;
 240         a_icon->surface.parent = b;
 241         a_icon->surface.parentx = (icon_space - ICON_SIZE) / 2;
 242         a_icon->surface.parenty = (tb->drawh - ICON_SIZE) / 2;
 243         d->width = i->width;
 244         d->height = i->height;
 245         d->alpha = tk->iconified ? 0x70 : tk->shaded ? 0xB0 : 0xff;
 246         d->data = i->data;
 247     } else
 248         icon_space = PADDING;
 249
 250     a->surface.parent = b;
 251     a->surface.parentx = icon_space;
 252     a->texture[0].data.text.string = name;
 253     b->surface.parentx = tk->pos_x;
 254
 255     RrPaintPixmap(b, tk->width, tb->drawh);
 256     RrPaintPixmap(a, tk->width-icon_space-PADDING, tb->drawh);
 257
 258     if (i) {
 259         RrPaintPixmap(a_icon, ICON_SIZE, ICON_SIZE);
 260         XCopyArea(sc->dd, a_icon->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 261                   ICON_SIZE, ICON_SIZE,
 262                   (icon_space - ICON_SIZE) / 2,
 263                   (tb->drawh - ICON_SIZE) / 2);
 264     }
 265
 266     XCopyArea(sc->dd, a->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 267               tk->width-icon_space-PADDING, tb->drawh,
 268               icon_space, 0);
 269     XCopyArea(sc->dd, b->pixmap, tb->bg, sc->fore_gc, 0, 0,
 270               tk->width, tb->drawh, tk->pos_x, 0);
 271
 272     XFreePixmap(sc->dd, a->pixmap);
 273     XFreePixmap(sc->dd, b->pixmap);
 274     XFreePixmap(sc->dd, a_icon->pixmap);
 275     if (redraw) {
 276         XSetWindowBackgroundPixmap(sc->dd, tb->bgwin, tb->bg);
 277         XClearWindow(sc->dd, tb->bgwin);
 278     }
 279
 280     g_free(name);
 281 }
 282
 283 void gui_draw_taskbar(screen *sc, taskbar *tb)
 284 {
 285     task *tk;
 286     int x, width, taskw;
 287     int num_tasks = 0;
 288     int ow, oh;
 289
 290 #ifdef PAGER
 291     pager_draw();
 292 #else
 293     pager_size = GRILL_WIDTH;
 294 #endif
 295
 296     ow = tb->draww;
 297     oh = tb->drawh;
 298
 299     tb->draww = tb->w - sc->theme->obwidth * 2;
 300     tb->drawh = tb->h - sc->theme->obwidth;
 301     XMoveResizeWindow(sc->dd, tb->bgwin, 0,
 302                       (tb->at_top ? -sc->theme->obwidth : 0),
 303                       tb->draww, tb->drawh);
 304
 305     x = pager_size;
 306     width = tb->draww - (pager_size + GRILL_WIDTH);
 307
 308     /* only re-render if the size has changed */
 309     if (tb->draww != ow || tb->drawh != oh) {
 310         if (tb->bg) XFreePixmap(sc->dd, tb->bg);
 311         tb->bg = XCreatePixmap(sc->dd, sc->root, tb->draww, tb->drawh,
 312                                RrDepth(sc->rr));
 313         XFreePixmap(sc->dd, RrPaintPixmap(background, tb->draww, tb->drawh));
 314         XCopyArea(sc->dd, background->pixmap, tb->bg, sc->fore_gc, 0, 0,
 315                   tb->draww, tb->drawh, 0, 0);
 316     }
 317
 318     /* find the number of visible tasks */
 319     for (tk = tb->task_list; tk; tk = tk->next) {
 320         if (!task_shown(tk))
 321             continue;
 322         num_tasks++;
 323     }
 324
 325     if (num_tasks == 0)
 326         goto clear;
 327
 328     taskw = width / num_tasks;
 329
 330     for (tk = tb->task_list; tk; tk = tk->next) {
 331         if (!task_shown(tk))
 332             continue;
 333         tk->pos_x = x;
 334         /* use up extra pixels in the last task */
 335         if (!tk->next)
 336             tk->width = MIN(width - x, MAX_TASK_WIDTH);
 337         else
 338             tk->width = MIN(taskw, MAX_TASK_WIDTH);
 339         gui_draw_task(sc, tb, tk, FALSE);
 340         set_icon_geometry(sc, tb, tk);
 341         x += tk->width;
 342     }
 343
 344 clear:
 345     XSetWindowBackgroundPixmap(sc->dd, tb->bgwin, tb->bg);
 346     XClearWindow(sc->dd, tb->bgwin);
 347     XSetWindowBorderWidth(sc->dd, tb->bgwin, sc->theme->obwidth);
 348     XSetWindowBorder(sc->dd, tb->bgwin,
 349                      RrColorPixel(sc->theme->osd_border_color));
 350 }
 351
 352 void gui_move_taskbar(screen *sc, taskbar *tb)
 353 {
 354     tb->x = tb->y = 0;
 355
 356     if (tb->hidden)
 357         tb->x = TEXTPAD - tb->w;
 358
 359     if (!tb->at_top)
 360         tb->y = sc->height - tb->h;
 361
 362     XMoveWindow(sc->dd, tb->win, tb->x, tb->y);
 363
 364     gui_draw_taskbar(sc, tb);
 365 }
 366
 367 static void set_icon_geometry(screen *sc, taskbar *tb, task *tk)
 368 {
 369     long coords[4];
 370
 371     coords[0] = tb->x + tk->pos_x;
 372     coords[1] = tb->y;
 373     coords[2] = MAX(tk->width, 1);
 374     coords[3] = tb->h;
 375
 376     xprop_set_array(sc, tk->win, _NET_WM_ICON_GEOMETRY, coords, 4);
 377 }