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
  21 /* you can edit these */
  22 #define MAX_TASK_WIDTH 500
  23 #define PADDING 2
  24 #define ICON_SIZE ((tb->h)-(2*PADDING))
  25
  26 static void set_icon_geometry(screen *sc, taskbar *tb, task *tk);
  27
  28 #define SURF(x) with->surface.x
  29 #define TEXT(x) with->texture[0].data.text.x
  30 #define USE(x) (with = x)
  31 #define SETTEXT(x, y, z) with->texture[0].type = RR_TEXTURE_TEXT; \
  32                          with->texture[0].data.text.font = x; \
  33                          with->texture[0].data.text.justify = y; \
  34                          with->texture[0].data.text.ellipsize = z;
  35 #define SETSHADOW(y, z, u, v) with->texture[0].data.text.shadow_offset_x = y; \
  36                               with->texture[0].data.text.shadow_offset_y = z; \
  37                               with->texture[0].data.text.shadow_alpha = u; \
  38                               with->texture[0].data.text.shadow_color = v;
  39
  40 void gui_init(screen *sc)
  41 {
  42     XGCValues gcv;
  43     RrFont *font;
  44     RrAppearance *with;
  45
  46     gcv.graphics_exposures = False;
  47     sc->fore_gc = XCreateGC(sc->dd, sc->root, GCGraphicsExposures, &gcv);
  48
  49     /* We don't allow different fonts for various window states... */
  50     font = RrFontOpen(sc->rr, "Candara, sans", 10,
  51                       RR_FONTWEIGHT_NORMAL, RR_FONTSLANT_NORMAL);
  52
  53     /* this appearance will be used to draw icons */
  54     a_icon = RrAppearanceNew(sc->rr, 1);
  55     USE(a_icon);
  56     SURF(grad) = RR_SURFACE_PARENTREL;
  57     SURF(parentx) = PADDING;
  58     SURF(parenty) = PADDING;
  59     a_icon->texture[0].type = RR_TEXTURE_RGBA;
  60
  61     /* this is the appearance for the background of the panel */
  62     background = RrAppearanceNew(sc->rr, 0);
  63     USE(background);
  64     SURF(grad) = RR_SURFACE_DIAGONAL;
  65     SURF(primary) = RrColorNew(sc->rr, 170, 170, 190);
  66     SURF(secondary) = RrColorNew(sc->rr, 100, 100, 160);
  67
  68     /* this is the appearance for unfocused tasks,
  69      * text needs to be separate appearances so we can align it correctly */
  70     unfocused_task = RrAppearanceNew(sc->rr, 0);
  71     USE(unfocused_task);
  72     SURF(parent) = background;
  73     SURF(grad) = RR_SURFACE_PARENTREL;
  74     SURF(relief) = RR_RELIEF_RAISED;
  75     SURF(bevel) = RR_BEVEL_2;
  76
  77     /* ... for iconified tasks, also used for shaded ones currently */
  78     iconified_task = RrAppearanceCopy(unfocused_task);
  79     USE(iconified_task);
  80     SURF(relief) = RR_RELIEF_FLAT;
  81     SURF(parent) = background; /* RrAppearanceCopy doesn't copy .parent */
  82
  83     /* ... for focused tasks */
  84     focused_task = RrAppearanceNew(sc->rr, 0);
  85     USE(focused_task);
  86     SURF(grad) = RR_SURFACE_CROSS_DIAGONAL;
  87     SURF(secondary) = RrColorNew(sc->rr, 70, 80, 110);
  88     SURF(primary) = RrColorNew(sc->rr, 130, 160, 250);
  89     SURF(relief) = RR_RELIEF_SUNKEN;
  90
  91     /* this is the text used for all normal unfocused tasks */
  92     /* we don't set .parent here, but in draw_task, since we
  93      * want to combine _task and _text semirandomly.
  94      * XXX plz not when themes are here */
  95     normal_text = RrAppearanceNew(sc->rr, 1);
  96     USE(normal_text);
  97     SURF(grad) = RR_SURFACE_PARENTREL;
  98     SETTEXT(font, RR_JUSTIFY_LEFT, RR_ELLIPSIZE_END);
  99
 100     /* ... for iconified tasks */
 101     iconified_text = RrAppearanceCopy(normal_text);
 102     /* ... and for focused tasks, we copy this here (ie not 5 lines down)
 103      * so the color isn't copied i actually don't know if that would
 104      * hurt so XXX on that */
 105     focused_text = RrAppearanceCopy(normal_text);
 106     USE(focused_text);
 107     TEXT(color) = RrColorNew(sc->rr, 230, 230, 255);
 108
 109     USE(normal_text);
 110     TEXT(color) = RrColorNew(sc->rr, 20, 20, 40);
 111
 112     USE(iconified_text);
 113     SETSHADOW(2, 2, 100, RrColorNew(sc->rr, 0, 0, 0));
 114     TEXT(color) = RrColorNew(sc->rr, 200, 200, 200);
 115
 116     shaded_text = RrAppearanceCopy(normal_text);
 117     USE(shaded_text);
 118     TEXT(color) = RrColorNew(sc->rr, 50, 60, 90);
 119 }
 120
 121 void gui_create_taskbar(screen *sc, taskbar *tb)
 122 {
 123     XSizeHints size_hints;
 124     XSetWindowAttributes att;
 125     XClassHint xclhints;
 126
 127     att.event_mask = ButtonPressMask;
 128
 129     /* XXX make the height conigurable */
 130     tb->x = 0;
 131     tb->y = sc->height - 24;
 132     tb->w = sc->width;
 133     tb->h = 24;
 134
 135     tb->win = XCreateWindow(/* display  */ sc->dd,
 136                             /* parent   */ sc->root,
 137                             /* x        */ tb->x,
 138                             /* y        */ tb->y,
 139                             /* width    */ tb->w,
 140                             /* height   */ tb->h,
 141                             /* border   */ 0,
 142                             /* depth    */ CopyFromParent,
 143                             /* class    */ InputOutput,
 144                             /* visual   */ CopyFromParent,
 145                             /*value mask*/ CWEventMask,
 146                             /* attribs  */ &att);
 147     tb->bg = None;
 148
 149     /* reside on ALL desktops */
 150     xprop_set_num(sc, tb->win, _NET_WM_DESKTOP, 0xFFFFFFFF);
 151     xprop_set_atom(sc, tb->win, _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK);
 152     xprop_set_atom(sc, tb->win, _NET_WM_STATE, _NET_WM_STATE_BELOW);
 153     xprop_set_string(sc, tb->win, WM_NAME, "rspanel");
 154
 155     /* make sure the WM obays our window position */
 156     size_hints.flags = PPosition;
 157     size_hints.x = tb->x;
 158     size_hints.y = tb->y;
 159     /*XSetWMNormalHints (sc->dd, tb->win, &size_hints); */
 160     XChangeProperty(sc->dd, tb->win, XA_WM_NORMAL_HINTS, XA_WM_SIZE_HINTS, 32,
 161                     PropModeReplace, (unsigned char *)&size_hints,
 162                     sizeof(XSizeHints) / 4);
 163
 164     xclhints.res_name = "rspanel";
 165     xclhints.res_class = "RSPanel";
 166     XSetClassHint(sc->dd, tb->win, &xclhints);
 167
 168     XMapWindow(sc->dd, tb->win);
 169 }
 170
 171 void gui_draw_task(screen *sc, taskbar *tb, task *tk, int redraw)
 172 {
 173     RrAppearance *a;
 174     RrAppearance *b;
 175     const icon *i;
 176     int icon_size = 0;
 177
 178     if (tk->iconified)
 179         b = iconified_task;
 180     else if (tk->focused)
 181         b = focused_task;
 182     else if (tk->shaded)
 183         b = iconified_task;
 184     else
 185         b = unfocused_task;
 186
 187     if (tk->iconified)
 188         a = iconified_text;
 189     else if (tk->shaded)
 190         a = shaded_text;
 191     else if (tk->focused)
 192         a = focused_text;
 193     else
 194         a = normal_text;
 195
 196     i = icon_get_best(tk->icons, tk->nicons, ICON_SIZE, ICON_SIZE);
 197
 198     if (i) {
 199         RrTextureRGBA *d = &a_icon->texture[0].data.rgba;
 200         a_icon->surface.parent = b;
 201         d->width = i->width;
 202         d->height = i->height;
 203         d->alpha = tk->iconified ? 0x80 : tk->shaded ? 0xB0 : 0xff;
 204         d->data = i->data;
 205         icon_size = ICON_SIZE + PADDING;
 206     }
 207
 208     a->surface.parent = b;
 209     a->surface.parentx = icon_size + PADDING;
 210     a->texture[0].data.text.string = tk->name;
 211     b->surface.parentx = tk->pos_x;
 212
 213     RrPaintPixmap(b, tk->width, tb->h);
 214     RrPaintPixmap(a, tk->width-(2*PADDING+icon_size), tb->h);
 215
 216     if (i) {
 217         RrPaintPixmap(a_icon, ICON_SIZE, ICON_SIZE);
 218         XCopyArea(sc->dd, a_icon->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 219                   ICON_SIZE, ICON_SIZE, PADDING, PADDING);
 220     }
 221
 222     XCopyArea(sc->dd, a->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 223               tk->width-(2*PADDING+icon_size), tb->h, icon_size + PADDING, 0);
 224     XCopyArea(sc->dd, b->pixmap, tb->bg, sc->fore_gc, 0, 0,
 225               tk->width, tb->h, tk->pos_x, 0);
 226
 227     XFreePixmap(sc->dd, a->pixmap);
 228     XFreePixmap(sc->dd, b->pixmap);
 229     XFreePixmap(sc->dd, a_icon->pixmap);
 230     if (redraw) {
 231         XSetWindowBackgroundPixmap(sc->dd, tb->win, tb->bg);
 232         XClearWindow(sc->dd, tb->win);
 233     }
 234 }
 235
 236 void gui_draw_taskbar(screen *sc, taskbar *tb)
 237 {
 238     task *tk;
 239     int x, width, taskw;
 240     int num_tasks = 0;
 241
 242 #ifdef PAGER
 243     pager_draw();
 244 #else
 245     pager_size = TEXTPAD;
 246 #endif
 247
 248     x = pager_size + 2;
 249     width = tb->w - (pager_size + GRILL_WIDTH);
 250 #warning only rerender if width changed!
 251     if (tb->bg) XFreePixmap(sc->dd, tb->bg);
 252     tb->bg = XCreatePixmap(sc->dd, sc->root, tb->w, tb->h, RrDepth(sc->rr));
 253
 254     XFreePixmap(sc->dd, RrPaintPixmap(background, tb->w, tb->h));
 255     XCopyArea(sc->dd, background->pixmap, tb->bg, sc->fore_gc, 0, 0,
 256               tb->w, tb->h, 0, 0);
 257
 258     /* find the number of visible tasks */
 259     for (tk = tb->task_list; tk; tk = tk->next) {
 260         if (!task_shown(tk))
 261             continue;
 262         num_tasks++;
 263     }
 264
 265     if (num_tasks == 0)
 266         goto clear;
 267
 268     taskw = width / num_tasks;
 269     if (taskw > MAX_TASK_WIDTH)
 270         taskw = MAX_TASK_WIDTH;
 271
 272     for (tk = tb->task_list; tk; tk = tk->next) {
 273         if (!task_shown(tk))
 274             continue;
 275         tk->pos_x = x;
 276         tk->width = taskw - 1;
 277         gui_draw_task(sc, tb, tk, FALSE);
 278         set_icon_geometry(sc, tb, tk);
 279         x += taskw;
 280     }
 281
 282 clear:
 283     XSetWindowBackgroundPixmap(sc->dd, tb->win, tb->bg);
 284     XClearWindow(sc->dd, tb->win);
 285 }
 286
 287 void gui_move_taskbar(screen *sc, taskbar *tb)
 288 {
 289     tb->x = tb->y = 0;
 290
 291     if (tb->hidden)
 292         tb->x = TEXTPAD - tb->w;
 293
 294     if (!tb->at_top)
 295         tb->y = sc->height - tb->h;
 296
 297     XMoveWindow(sc->dd, tb->win, tb->x, tb->y);
 298 }
 299
 300 static void set_icon_geometry(screen *sc, taskbar *tb, task *tk)
 301 {
 302     long coords[4];
 303
 304     coords[0] = tb->x + tk->pos_x;
 305     coords[1] = tb->y;
 306     coords[2] = MAX(tk->width, 1);
 307     coords[3] = tb->h;
 308
 309     xprop_set_array(sc, tk->win, _NET_WM_ICON_GEOMETRY, coords, 4);
 310 }