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