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, RR_FONTWEIGHT_NORMAL, RR_FONTSLANT_NORMAL);
  51
  52     /* this appearance will be used to draw icons */
  53     a_icon = RrAppearanceNew(sc->rr, 1);
  54     USE(a_icon);
  55     SURF(grad) = RR_SURFACE_PARENTREL;
  56     SURF(parentx) = PADDING;
  57     SURF(parenty) = PADDING;
  58     a_icon->texture[0].type = RR_TEXTURE_RGBA;
  59
  60     /* this is the appearance for the background of the panel */
  61     background = RrAppearanceNew(sc->rr, 0);
  62     USE(background);
  63     SURF(grad) = RR_SURFACE_DIAGONAL;
  64     SURF(primary) = RrColorNew(sc->rr, 170, 170, 190);
  65     SURF(secondary) = RrColorNew(sc->rr, 100, 100, 160);
  66
  67     /* this is the appearance for unfocused tasks,
  68      * text needs to be separate appearances so we can align it correctly */
  69     unfocused_task = RrAppearanceNew(sc->rr, 0);
  70     USE(unfocused_task);
  71     SURF(parent) = background;
  72     SURF(grad) = RR_SURFACE_PARENTREL;
  73     SURF(border) = TRUE;
  74     SURF(border_color) = RrColorNew(sc->rr, 0, 0, 80);
  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_SUNKEN;
  80     SURF(border) = FALSE;
  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_RAISED;
  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 /* XXX Maybe just use scr_width here? */
 140                             /* width    */ tb->w,
 141                             /* height   */ tb->h,
 142                             /* border   */ 0,
 143                             /* depth    */ CopyFromParent,
 144                             /* class    */ InputOutput,
 145                             /* visual   */ CopyFromParent,
 146                             /*value mask*/ CWEventMask,
 147                             /* attribs  */ &att);
 148     tb->bg = None;
 149
 150     /* reside on ALL desktops */
 151     xprop_set_num(sc, tb->win, _NET_WM_DESKTOP, 0xFFFFFFFF);
 152     xprop_set_atom(sc, tb->win, _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DOCK);
 153     xprop_set_atom(sc, tb->win, _NET_WM_STATE, _NET_WM_STATE_BELOW);
 154     xprop_set_string(sc, tb->win, WM_NAME, "rspanel");
 155
 156     /* make sure the WM obays our window position */
 157     size_hints.flags = PPosition;
 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
 176     if (tk->iconified)
 177         b = iconified_task;
 178     else if (tk->focused)
 179         b = focused_task;
 180     else if (tk->shaded)
 181         b = iconified_task;
 182     else
 183         b = unfocused_task;
 184
 185     if (tk->iconified)
 186         a = iconified_text;
 187     else if (tk->shaded)
 188         a = shaded_text;
 189     else if (tk->focused)
 190         a = focused_text;
 191     else
 192         a = normal_text;
 193
 194     i = icon_get_best(tk->icons, tk->nicons, ICON_SIZE, ICON_SIZE);
 195
 196     if (i) {
 197         RrTextureRGBA *d = &a_icon->texture[0].data.rgba;
 198         a_icon->surface.parent = b;
 199         d->width = i->width;
 200         d->height = i->height;
 201         d->alpha = tk->iconified ? 0x80 : tk->shaded ? 0xB0 : 0xff;
 202         d->data = i->data;
 203     }
 204
 205     a->surface.parent = b;
 206     a->surface.parentx = ICON_SIZE+2*PADDING;
 207     a->texture[0].data.text.string = tk->name;
 208     b->surface.parentx = tk->pos_x;
 209
 210     RrPaintPixmap(b, tk->width, tb->h);
 211     RrPaintPixmap(a, tk->width-3*PADDING-ICON_SIZE, tb->h);
 212
 213     if (i) {
 214         RrPaintPixmap(a_icon, ICON_SIZE, ICON_SIZE);
 215         XCopyArea(sc->dd, a_icon->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 216                   ICON_SIZE, ICON_SIZE, PADDING, PADDING);
 217     }
 218
 219     XCopyArea(sc->dd, a->pixmap, b->pixmap, sc->fore_gc, 0, 0,
 220               tk->width-3*PADDING-ICON_SIZE, tb->h, ICON_SIZE+2*PADDING, 0);
 221     XCopyArea(sc->dd, b->pixmap, tb->bg, sc->fore_gc, 0, 0,
 222               tk->width, tb->h, tk->pos_x, 0);
 223
 224     XFreePixmap(sc->dd, a->pixmap);
 225     XFreePixmap(sc->dd, b->pixmap);
 226     XFreePixmap(sc->dd, a_icon->pixmap);
 227     if (redraw) {
 228         XSetWindowBackgroundPixmap(sc->dd, tb->win, tb->bg);
 229         XClearWindow(sc->dd, tb->win);
 230     }
 231 }
 232
 233 void gui_draw_taskbar(screen *sc, taskbar *tb)
 234 {
 235     task *tk;
 236     int x, width, taskw;
 237     int num_tasks = 0;
 238
 239 #ifdef PAGER
 240     pager_draw();
 241 #else
 242     pager_size = TEXTPAD;
 243 #endif
 244
 245     x = pager_size + 2;
 246     width = tb->w - (pager_size + GRILL_WIDTH);
 247 #warning only rerender if width changed!
 248     if (tb->bg) XFreePixmap(sc->dd, tb->bg);
 249     tb->bg = XCreatePixmap(sc->dd, sc->root, tb->w, tb->h, RrDepth(sc->rr));
 250
 251     XFreePixmap(sc->dd, RrPaintPixmap(background, tb->w, tb->h));
 252     XCopyArea(sc->dd, background->pixmap, tb->bg, sc->fore_gc, 0, 0, tb->w, tb->h, 0, 0);
 253
 254     /* find the number of visible tasks */
 255     for (tk = tb->task_list; tk; tk = tk->next) {
 256         if (!task_shown(tk))
 257             continue;
 258         num_tasks++;
 259     }
 260
 261     if (num_tasks == 0)
 262         goto clear;
 263
 264     taskw = width / num_tasks;
 265     if (taskw > MAX_TASK_WIDTH)
 266         taskw = MAX_TASK_WIDTH;
 267
 268     for (tk = tb->task_list; tk; tk = tk->next) {
 269         if (!task_shown(tk))
 270             continue;
 271         tk->pos_x = x;
 272         tk->width = taskw - 1;
 273         gui_draw_task(sc, tb, tk, FALSE);
 274         set_icon_geometry(sc, tb, tk);
 275         x += taskw;
 276     }
 277
 278 clear:
 279     XSetWindowBackgroundPixmap(sc->dd, tb->win, tb->bg);
 280     XClearWindow(sc->dd, tb->win);
 281 }
 282
 283 void gui_move_taskbar(screen *sc, taskbar *tb)
 284 {
 285     tb->x = tb->y = 0;
 286
 287     if (tb->hidden)
 288         tb->x = TEXTPAD - tb->w;
 289
 290     if (!tb->at_top)
 291         tb->y = sc->height - tb->h;
 292
 293     XMoveWindow(sc->dd, tb->win, tb->x, tb->y);
 294 }
 295
 296 static void set_icon_geometry(screen *sc, taskbar *tb, task *tk)
 297 {
 298     long coords[4];
 299
 300     coords[0] = tb->x + tk->pos_x;
 301     coords[1] = tb->y;
 302     coords[2] = MAX(tk->width, 1);
 303     coords[3] = tb->h;
 304
 305     xprop_set_array(sc, tk->win, _NET_WM_ICON_GEOMETRY, coords, 4);
 306 }