titlebar.c

   1 /*
   2  * titlebar.c - titlebar management
   3  *
   4  * Copyright © 2008 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #include <math.h>
  23
  24 #include "titlebar.h"
  25 #include "screen.h"
  26 #include "layouts/floating.h"
  27
  28 extern AwesomeConf globalconf;
  29
  30 /** Initialize a titlebar: create the SimpleWindow.
  31  * We still need to update its geometry to have it placed correctly.
  32  * \param c the client
  33  */
  34 void
  35 titlebar_init(Client *c)
  36 {
  37     int width;
  38
  39     if(!c->titlebar.height)
  40         c->titlebar.height = 1.5 * MAX(c->titlebar.styles.normal.font->height,
  41                                        MAX(c->titlebar.styles.focus.font->height,
  42                                            c->titlebar.styles.urgent.font->height));
  43
  44     switch(c->titlebar.position)
  45     {
  46       case Off:
  47         return;
  48       case Auto:
  49         c->titlebar.position = Off;
  50         return;
  51       case Top:
  52       case Bottom:
  53         if(!c->titlebar.width)
  54             width = c->geometry.width + 2 * c->border;
  55         else
  56             width = MIN(c->titlebar.width, c->geometry.width);
  57         c->titlebar.sw = simplewindow_new(globalconf.display,
  58                                           c->phys_screen, 0, 0,
  59                                           width, c->titlebar.height, 0);
  60         break;
  61       case Left:
  62       case Right:
  63         if(!c->titlebar.width)
  64             width = c->geometry.height + 2 * c->border;
  65         else
  66             width = MIN(c->titlebar.width, c->geometry.height);
  67         c->titlebar.sw = simplewindow_new(globalconf.display,
  68                                           c->phys_screen, 0, 0,
  69                                           c->titlebar.height, width, 0);
  70         break;
  71       default:
  72         break;
  73     }
  74     XMapWindow(globalconf.display, c->titlebar.sw->window);
  75 }
  76
  77 /** Add the titlebar geometry to a geometry.
  78  * \param t the titlebar
  79  * \param geometry the geometry
  80  * \return a new geometry bigger if the titlebar is visible
  81  */
  82 area_t
  83 titlebar_geometry_add(Titlebar *t, area_t geometry)
  84 {
  85     if(!t->sw)
  86         return geometry;
  87
  88     switch(t->position)
  89     {
  90       case Top:
  91         geometry.y -= t->sw->geometry.height;
  92         geometry.height += t->sw->geometry.height;
  93         break;
  94       case Bottom:
  95         geometry.height += t->sw->geometry.height;
  96         break;
  97       case Left:
  98         geometry.x -= t->sw->geometry.width;
  99         geometry.width += t->sw->geometry.width;
 100         break;
 101       case Right:
 102         geometry.width += t->sw->geometry.width;
 103         break;
 104       default:
 105         break;
 106     }
 107
 108     return geometry;
 109 }
 110
 111 /** Remove the titlebar geometry to a geometry.
 112  * \param t the titlebar
 113  * \param geometry the geometry
 114  * \return a new geometry smaller if the titlebar is visible
 115  */
 116 area_t
 117 titlebar_geometry_remove(Titlebar *t, area_t geometry)
 118 {
 119     if(!t->sw)
 120         return geometry;
 121
 122     switch(t->position)
 123     {
 124       case Top:
 125         geometry.y += t->sw->geometry.height;
 126         geometry.height -= t->sw->geometry.height;
 127         break;
 128       case Bottom:
 129         geometry.height -= t->sw->geometry.height;
 130         break;
 131       case Left:
 132         geometry.x += t->sw->geometry.width;
 133         geometry.width -= t->sw->geometry.width;
 134         break;
 135       case Right:
 136         geometry.width -= t->sw->geometry.width;
 137         break;
 138       default:
 139         break;
 140     }
 141
 142     return geometry;
 143 }
 144
 145 /** Draw the titlebar content.
 146  * \param c the client
 147  */
 148 void
 149 titlebar_draw(Client *c)
 150 {
 151     Drawable dw = 0;
 152     DrawCtx *ctx;
 153     style_t style;
 154     area_t geometry;
 155
 156     if(!c->titlebar.sw)
 157         return;
 158
 159     switch(c->titlebar.position)
 160     {
 161       case Off:
 162         return;
 163       case Right:
 164       case Left:
 165         dw = XCreatePixmap(globalconf.display,
 166                            RootWindow(globalconf.display, c->titlebar.sw->phys_screen),
 167                            c->titlebar.sw->geometry.height,
 168                            c->titlebar.sw->geometry.width,
 169                            DefaultDepth(globalconf.display, c->titlebar.sw->phys_screen));
 170         ctx = draw_context_new(globalconf.display, c->titlebar.sw->phys_screen,
 171                                c->titlebar.sw->geometry.height,
 172                                c->titlebar.sw->geometry.width,
 173                                dw);
 174         geometry.width = c->titlebar.sw->geometry.height;
 175         geometry.height = c->titlebar.sw->geometry.width;
 176         break;
 177       default:
 178         ctx = draw_context_new(globalconf.display, c->titlebar.sw->phys_screen,
 179                                c->titlebar.sw->geometry.width,
 180                                c->titlebar.sw->geometry.height,
 181                                c->titlebar.sw->drawable);
 182         geometry = c->titlebar.sw->geometry;
 183         break;
 184     }
 185
 186     /* Check if the client is focused/urgent/normal */
 187     if(globalconf.focus->client == c)
 188         style = c->titlebar.styles.focus;
 189     else if(c->isurgent)
 190         style = c->titlebar.styles.urgent;
 191     else
 192         style = c->titlebar.styles.normal;
 193
 194     geometry.x = geometry.y = 0;
 195
 196     draw_text(ctx, geometry, c->titlebar.text_align, style.font->height / 2,
 197               c->name, style);
 198
 199     switch(c->titlebar.position)
 200     {
 201       case Left:
 202         draw_rotate(ctx, c->titlebar.sw->drawable, ctx->height, ctx->width,
 203                     - M_PI_2, 0, c->titlebar.sw->geometry.height);
 204         XFreePixmap(globalconf.display, dw);
 205         break;
 206       case Right:
 207         draw_rotate(ctx, c->titlebar.sw->drawable, ctx->height, ctx->width,
 208                     M_PI_2, c->titlebar.sw->geometry.width, 0);
 209         XFreePixmap(globalconf.display, dw);
 210       default:
 211         break;
 212     }
 213
 214     simplewindow_refresh_drawable(c->titlebar.sw, c->titlebar.sw->phys_screen);
 215
 216     draw_context_delete(&ctx);
 217 }
 218
 219 /** Update the titlebar geometry for a floating client.
 220  * \param c the client
 221  */
 222 void
 223 titlebar_update_geometry_floating(Client *c)
 224 {
 225     int width, x_offset = 0, y_offset = 0;
 226
 227     if(!c->titlebar.sw)
 228         return;
 229
 230     switch(c->titlebar.position)
 231     {
 232       default:
 233         return;
 234       case Off:
 235         return;
 236       case Top:
 237         if(!c->titlebar.width)
 238             width = c->geometry.width + 2 * c->border;
 239         else
 240             width = MIN(c->titlebar.width, c->geometry.width);
 241         switch(c->titlebar.align)
 242         {
 243           default:
 244             break;
 245           case AlignRight:
 246             x_offset = 2 * c->border + c->geometry.width - width;
 247             break;
 248           case AlignCenter:
 249             x_offset = (c->geometry.width - width) / 2;
 250             break;
 251         }
 252         simplewindow_move_resize(c->titlebar.sw,
 253                                  c->geometry.x + x_offset,
 254                                  c->geometry.y - c->titlebar.sw->geometry.height,
 255                                  width,
 256                                  c->titlebar.sw->geometry.height);
 257         break;
 258       case Bottom:
 259         if(!c->titlebar.width)
 260             width = c->geometry.width + 2 * c->border;
 261         else
 262             width = MIN(c->titlebar.width, c->geometry.width);
 263         switch(c->titlebar.align)
 264         {
 265           default:
 266             break;
 267           case AlignRight:
 268             x_offset = 2 * c->border + c->geometry.width - width;
 269             break;
 270           case AlignCenter:
 271             x_offset = (c->geometry.width - width) / 2;
 272             break;
 273         }
 274         simplewindow_move_resize(c->titlebar.sw,
 275                                  c->geometry.x + x_offset,
 276                                  c->geometry.y + c->geometry.height + 2 * c->border,
 277                                  width,
 278                                  c->titlebar.sw->geometry.height);
 279         break;
 280       case Left:
 281         if(!c->titlebar.width)
 282             width = c->geometry.height + 2 * c->border;
 283         else
 284             width = MIN(c->titlebar.width, c->geometry.height);
 285         switch(c->titlebar.align)
 286         {
 287           default:
 288             break;
 289           case AlignRight:
 290             y_offset = 2 * c->border + c->geometry.height - width;
 291             break;
 292           case AlignCenter:
 293             y_offset = (c->geometry.height - width) / 2;
 294             break;
 295         }
 296         simplewindow_move_resize(c->titlebar.sw,
 297                                  c->geometry.x - c->titlebar.sw->geometry.width,
 298                                  c->geometry.y + y_offset,
 299                                  c->titlebar.sw->geometry.width,
 300                                  width);
 301         break;
 302       case Right:
 303         if(!c->titlebar.width)
 304             width = c->geometry.height + 2 * c->border;
 305         else
 306             width = MIN(c->titlebar.width, c->geometry.height);
 307         switch(c->titlebar.align)
 308         {
 309           default:
 310             break;
 311           case AlignRight:
 312             y_offset = 2 * c->border + c->geometry.height - width;
 313             break;
 314           case AlignCenter:
 315             y_offset = (c->geometry.height - width) / 2;
 316             break;
 317         }
 318         simplewindow_move_resize(c->titlebar.sw,
 319                                  c->geometry.x + c->geometry.width + 2 * c->border,
 320                                  c->geometry.y + y_offset,
 321                                  c->titlebar.sw->geometry.width,
 322                                  width);
 323         break;
 324     }
 325
 326     titlebar_draw(c);
 327 }
 328
 329
 330 /** Update the titlebar geometry for a tiled client.
 331  * \param c the client
 332  * \param geometry the geometry the client will receive
 333  */
 334 void
 335 titlebar_update_geometry(Client *c, area_t geometry)
 336 {
 337     int width, x_offset = 0 , y_offset = 0;
 338
 339     if(!c->titlebar.sw)
 340         return;
 341
 342     switch(c->titlebar.position)
 343     {
 344       default:
 345         return;
 346       case Off:
 347         return;
 348       case Top:
 349         if(!c->titlebar.width)
 350             width = geometry.width + 2 * c->border;
 351         else
 352             width = MIN(c->titlebar.width, geometry.width);
 353         switch(c->titlebar.align)
 354         {
 355           default:
 356             break;
 357           case AlignRight:
 358             x_offset = 2 * c->border + geometry.width - width;
 359             break;
 360           case AlignCenter:
 361             x_offset = (geometry.width - width) / 2;
 362             break;
 363         }
 364         simplewindow_move_resize(c->titlebar.sw,
 365                                  geometry.x + x_offset,
 366                                  geometry.y,
 367                                  width,
 368                                  c->titlebar.sw->geometry.height);
 369         break;
 370       case Bottom:
 371         if(!c->titlebar.width)
 372             width = geometry.width + 2 * c->border;
 373         else
 374             width = MIN(c->titlebar.width, geometry.width);
 375         switch(c->titlebar.align)
 376         {
 377           default:
 378             break;
 379           case AlignRight:
 380             x_offset = 2 * c->border + geometry.width - width;
 381             break;
 382           case AlignCenter:
 383             x_offset = (geometry.width - width) / 2;
 384             break;
 385         }
 386         simplewindow_move_resize(c->titlebar.sw,
 387                                  geometry.x + x_offset,
 388                                  geometry.y + geometry.height
 389                                      - c->titlebar.sw->geometry.height + 2 * c->border,
 390                                  width,
 391                                  c->titlebar.sw->geometry.height);
 392         break;
 393       case Left:
 394         if(!c->titlebar.width)
 395             width = geometry.height + 2 * c->border;
 396         else
 397             width = MIN(c->titlebar.width, geometry.height);
 398         switch(c->titlebar.align)
 399         {
 400           default:
 401             break;
 402           case AlignRight:
 403             y_offset = 2 * c->border + geometry.height - width;
 404             break;
 405           case AlignCenter:
 406             y_offset = (geometry.height - width) / 2;
 407             break;
 408         }
 409         simplewindow_move_resize(c->titlebar.sw,
 410                                  geometry.x,
 411                                  geometry.y + y_offset,
 412                                  c->titlebar.sw->geometry.width,
 413                                  width);
 414         break;
 415       case Right:
 416         if(!c->titlebar.width)
 417             width = geometry.height + 2 * c->border;
 418         else
 419             width = MIN(c->titlebar.width, geometry.height);
 420         switch(c->titlebar.align)
 421         {
 422           default:
 423             break;
 424           case AlignRight:
 425             y_offset = 2 * c->border + geometry.height - width;
 426             break;
 427           case AlignCenter:
 428             y_offset = (geometry.height - width) / 2;
 429             break;
 430         }
 431         simplewindow_move_resize(c->titlebar.sw,
 432                                  geometry.x + geometry.width
 433                                      - c->titlebar.sw->geometry.width + 2 * c->border,
 434                                  geometry.y + y_offset,
 435                                  c->titlebar.sw->geometry.width,
 436                                  width);
 437         break;
 438     }
 439
 440     titlebar_draw(c);
 441 }
 442
 443 /** Toggle the visibility of the focused window's titlebar.
 444  * \param screen screen number (unused)
 445  * \param arg unused argument
 446  * \ingroup ui_callback
 447  */
 448 void
 449 uicb_client_toggletitlebar(int screen __attribute__ ((unused)), char *arg __attribute__ ((unused)))
 450 {
 451     Client *c = globalconf.focus->client;
 452
 453     if(!c || !c->titlebar.sw)
 454         return;
 455
 456     if(!c->titlebar.position)
 457     {
 458         if((c->titlebar.position = c->titlebar.dposition))
 459             XMapWindow(globalconf.display, c->titlebar.sw->window);
 460     }
 461     else
 462     {
 463         c->titlebar.position = Off;
 464         XUnmapWindow(globalconf.display, c->titlebar.sw->window);
 465     }
 466
 467     if(c->isfloating || layout_get_current(screen)->arrange == layout_floating)
 468         titlebar_update_geometry_floating(c);
 469     else
 470         globalconf.screens[c->screen].need_arrange = True;
 471 }
 472
 473 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80