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