openbox/focus_cycle_popup.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    focus_cycle_popup.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "focus_cycle_popup.h"
  21 #include "focus_cycle.h"
  22 #include "popup.h"
  23 #include "client.h"
  24 #include "screen.h"
  25 #include "focus.h"
  26 #include "openbox.h"
  27 #include "config.h"
  28 #include "window.h"
  29 #include "event.h"
  30 #include "obrender/render.h"
  31
  32 #include <X11/Xlib.h>
  33 #include <glib.h>
  34
  35 /* Size of the icons, which can appear inside or outside of a hilite box */
  36 #define ICON_SIZE (gint)config_theme_window_list_icon_size
  37 /* Size of the hilite box around a window's icon */
  38 #define HILITE_SIZE (ICON_SIZE + 2*HILITE_OFFSET)
  39 /* Width of the outer ring around the hilite box */
  40 #define HILITE_WIDTH 2
  41 /* Space between the outer ring around the hilite box and the icon inside it */
  42 #define HILITE_MARGIN 1
  43 /* Total distance from the edge of the hilite box to the icon inside it */
  44 #define HILITE_OFFSET (HILITE_WIDTH + HILITE_MARGIN)
  45 /* Margin area around the outside of the dialog */
  46 #define OUTSIDE_BORDER 3
  47 /* Margin area around the text */
  48 #define TEXT_BORDER 2
  49 /* Scroll the list-mode list when the cursor gets within this many rows of the
  50    top or bottom */
  51 #define SCROLL_MARGIN 4
  52
  53 typedef struct _ObFocusCyclePopup       ObFocusCyclePopup;
  54 typedef struct _ObFocusCyclePopupTarget ObFocusCyclePopupTarget;
  55
  56 struct _ObFocusCyclePopupTarget
  57 {
  58     ObClient *client;
  59     RrImage *icon;
  60     gchar *text;
  61     Window iconwin;
  62     /* This is used when the popup is in list mode */
  63     Window textwin;
  64 };
  65
  66 struct _ObFocusCyclePopup
  67 {
  68     ObWindow obwin;
  69     Window bg;
  70
  71     /* This is used when the popup is in icon mode */
  72     Window icon_mode_text;
  73
  74     Window list_mode_up;
  75     Window list_mode_down;
  76
  77     GList *targets;
  78     gint n_targets;
  79
  80     const ObFocusCyclePopupTarget *last_target;
  81
  82     gint maxtextw;
  83
  84     /* How are the list is scrolled, in scroll mode */
  85     gint scroll;
  86
  87     RrAppearance *a_bg;
  88     RrAppearance *a_text;
  89     RrAppearance *a_hilite_text;
  90     RrAppearance *a_icon;
  91     RrAppearance *a_arrow;
  92
  93     gboolean mapped;
  94     ObFocusCyclePopupMode mode;
  95 };
  96
  97 /*! This popup shows all possible windows */
  98 static ObFocusCyclePopup popup;
  99 /*! This popup shows a single window */
 100 static ObIconPopup *single_popup;
 101
 102 static gchar   *popup_get_name (ObClient *c);
 103 static gboolean popup_setup    (ObFocusCyclePopup *p,
 104                                 gboolean create_targets,
 105                                 gboolean refresh_targets,
 106                                 gboolean linear);
 107 static void     popup_render   (ObFocusCyclePopup *p,
 108                                 const ObClient *c);
 109
 110 static Window create_window(Window parent, guint bwidth, gulong mask,
 111                             XSetWindowAttributes *attr)
 112 {
 113     return XCreateWindow(obt_display, parent, 0, 0, 1, 1, bwidth,
 114                          RrDepth(ob_rr_inst), InputOutput,
 115                          RrVisual(ob_rr_inst), mask, attr);
 116 }
 117
 118 void focus_cycle_popup_startup(gboolean reconfig)
 119 {
 120     XSetWindowAttributes attrib;
 121     RrPixel32 *p;
 122
 123     single_popup = icon_popup_new();
 124
 125     popup.obwin.type = OB_WINDOW_CLASS_INTERNAL;
 126     popup.a_bg = RrAppearanceCopy(ob_rr_theme->osd_bg);
 127     popup.a_hilite_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
 128     popup.a_text = RrAppearanceCopy(ob_rr_theme->osd_unhilite_label);
 129     popup.a_icon = RrAppearanceCopy(ob_rr_theme->a_clear);
 130     popup.a_arrow = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 131
 132     popup.a_hilite_text->surface.parent = popup.a_bg;
 133     popup.a_text->surface.parent = popup.a_bg;
 134     popup.a_icon->surface.parent = popup.a_bg;
 135
 136     popup.a_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 137     popup.a_hilite_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 138
 139     /* 2 textures. texture[0] is the icon.  texture[1] is the hilight, and
 140        may or may not be used */
 141     RrAppearanceAddTextures(popup.a_icon, 2);
 142
 143     RrAppearanceClearTextures(popup.a_icon);
 144     popup.a_icon->texture[0].type = RR_TEXTURE_IMAGE;
 145
 146     RrAppearanceClearTextures(popup.a_arrow);
 147     popup.a_arrow->texture[0].type = RR_TEXTURE_MASK;
 148     popup.a_arrow->texture[0].data.mask.color =
 149         ob_rr_theme->osd_text_active_color;
 150
 151     attrib.override_redirect = True;
 152     attrib.border_pixel=RrColorPixel(ob_rr_theme->osd_border_color);
 153     popup.bg = create_window(obt_root(ob_screen), ob_rr_theme->obwidth,
 154                              CWOverrideRedirect | CWBorderPixel, &attrib);
 155
 156     /* create the text window used for the icon-mode popup */
 157     popup.icon_mode_text = create_window(popup.bg, 0, 0, NULL);
 158
 159     /* create the windows for the up and down arrows */
 160     popup.list_mode_up = create_window(popup.bg, 0, 0, NULL);
 161     popup.list_mode_down = create_window(popup.bg, 0, 0, NULL);
 162
 163     popup.targets = NULL;
 164     popup.n_targets = 0;
 165     popup.last_target = NULL;
 166
 167     /* set up the hilite texture for the icon */
 168     popup.a_icon->texture[1].data.rgba.width = HILITE_SIZE;
 169     popup.a_icon->texture[1].data.rgba.height = HILITE_SIZE;
 170     popup.a_icon->texture[1].data.rgba.alpha = 0xff;
 171     p = g_new(RrPixel32, HILITE_SIZE * HILITE_SIZE);
 172     popup.a_icon->texture[1].data.rgba.data = p;
 173
 174     /* create the hilite under the target icon */
 175     {
 176         RrPixel32 color;
 177         RrColor *tc;
 178         gint x, y, o;
 179
 180         tc = ob_rr_theme->osd_text_active_color;
 181         color = ((tc->r & 0xff) << RrDefaultRedOffset) +
 182             ((tc->g & 0xff) << RrDefaultGreenOffset) +
 183             ((tc->b & 0xff) << RrDefaultBlueOffset);
 184
 185         o = 0;
 186         for (x = 0; x < HILITE_SIZE; x++)
 187             for (y = 0; y < HILITE_SIZE; y++) {
 188                 guchar a;
 189
 190                 if (x < HILITE_WIDTH ||
 191                     x >= HILITE_SIZE - HILITE_WIDTH ||
 192                     y < HILITE_WIDTH ||
 193                     y >= HILITE_SIZE - HILITE_WIDTH)
 194                 {
 195                     /* the border of the target */
 196                     a = 0x88;
 197                 } else {
 198                     /* the background of the target */
 199                     a = 0x22;
 200                 }
 201
 202                 p[o++] = color + (a << RrDefaultAlphaOffset);
 203             }
 204     }
 205
 206     stacking_add(INTERNAL_AS_WINDOW(&popup));
 207     window_add(&popup.bg, INTERNAL_AS_WINDOW(&popup));
 208 }
 209
 210 void focus_cycle_popup_shutdown(gboolean reconfig)
 211 {
 212     icon_popup_free(single_popup);
 213
 214     window_remove(popup.bg);
 215     stacking_remove(INTERNAL_AS_WINDOW(&popup));
 216
 217     while(popup.targets) {
 218         ObFocusCyclePopupTarget *t = popup.targets->data;
 219
 220         RrImageUnref(t->icon);
 221         g_free(t->text);
 222         XDestroyWindow(obt_display, t->iconwin);
 223         XDestroyWindow(obt_display, t->textwin);
 224         g_slice_free(ObFocusCyclePopupTarget, t);
 225
 226         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 227     }
 228
 229     g_free(popup.a_icon->texture[1].data.rgba.data);
 230     popup.a_icon->texture[1].data.rgba.data = NULL;
 231
 232     XDestroyWindow(obt_display, popup.list_mode_up);
 233     XDestroyWindow(obt_display, popup.list_mode_down);
 234     XDestroyWindow(obt_display, popup.icon_mode_text);
 235     XDestroyWindow(obt_display, popup.bg);
 236
 237     RrAppearanceFree(popup.a_arrow);
 238     RrAppearanceFree(popup.a_icon);
 239     RrAppearanceFree(popup.a_hilite_text);
 240     RrAppearanceFree(popup.a_text);
 241     RrAppearanceFree(popup.a_bg);
 242 }
 243
 244 static void popup_target_free(ObFocusCyclePopupTarget *t)
 245 {
 246     RrImageUnref(t->icon);
 247     g_free(t->text);
 248     XDestroyWindow(obt_display, t->iconwin);
 249     XDestroyWindow(obt_display, t->textwin);
 250     g_slice_free(ObFocusCyclePopupTarget, t);
 251 }
 252
 253 static gboolean popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
 254                             gboolean refresh_targets, gboolean linear)
 255 {
 256     gint maxwidth, n;
 257     GList *it;
 258     GList *rtargets; /* old targets for refresh */
 259     GList *rtlast;
 260     gboolean change;
 261
 262     if (refresh_targets) {
 263         rtargets = p->targets;
 264         rtlast = g_list_last(rtargets);
 265         p->targets = NULL;
 266         p->n_targets = 0;
 267         change = FALSE;
 268     }
 269     else {
 270         rtargets = rtlast = NULL;
 271         change = TRUE;
 272     }
 273
 274     g_assert(p->targets == NULL);
 275     g_assert(p->n_targets == 0);
 276
 277     /* make its width to be the width of all the possible titles */
 278
 279     /* build a list of all the valid focus targets and measure their strings,
 280        and count them */
 281     maxwidth = 0;
 282     n = 0;
 283     for (it = g_list_last(linear ? client_list : focus_order);
 284          it;
 285          it = g_list_previous(it))
 286     {
 287         ObClient *ft = it->data;
 288
 289         if (focus_cycle_valid(ft)) {
 290             GList *rit;
 291
 292             /* reuse the target if possible during refresh */
 293             for (rit = rtlast; rit; rit = g_list_previous(rit)) {
 294                 ObFocusCyclePopupTarget *t = rit->data;
 295                 if (t->client == ft) {
 296                     if (rit == rtlast)
 297                         rtlast = g_list_previous(rit);
 298                     rtargets = g_list_remove_link(rtargets, rit);
 299
 300                     p->targets = g_list_concat(rit, p->targets);
 301                     ++n;
 302
 303                     if (rit != rtlast)
 304                         change = TRUE; /* order changed */
 305                     break;
 306                 }
 307             }
 308
 309             if (!rit) {
 310                 gchar *text = popup_get_name(ft);
 311
 312                 /* measure */
 313                 p->a_text->texture[0].data.text.string = text;
 314                 maxwidth = MAX(maxwidth, RrMinWidth(p->a_text));
 315
 316                 if (!create_targets) {
 317                     g_free(text);
 318                 } else {
 319                     ObFocusCyclePopupTarget *t =
 320                         g_slice_new(ObFocusCyclePopupTarget);
 321
 322                     t->client = ft;
 323                     t->text = text;
 324                     t->icon = client_icon(t->client);
 325                     RrImageRef(t->icon); /* own the icon so it won't go away */
 326                     t->iconwin = create_window(p->bg, 0, 0, NULL);
 327                     t->textwin = create_window(p->bg, 0, 0, NULL);
 328
 329                     p->targets = g_list_prepend(p->targets, t);
 330                     ++n;
 331
 332                     change = TRUE; /* added a window */
 333                 }
 334             }
 335         }
 336     }
 337
 338     if (rtargets) {
 339         change = TRUE; /* removed a window */
 340
 341         while (rtargets) {
 342             popup_target_free(rtargets->data);
 343             rtargets = g_list_delete_link(rtargets, rtargets);
 344         }
 345     }
 346
 347     p->n_targets = n;
 348     if (refresh_targets)
 349         /* don't shrink when refreshing */
 350         p->maxtextw = MAX(p->maxtextw, maxwidth);
 351     else
 352         p->maxtextw = maxwidth;
 353
 354     return change;
 355 }
 356
 357 static void popup_cleanup(void)
 358 {
 359     while(popup.targets) {
 360         popup_target_free(popup.targets->data);
 361         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 362     }
 363     popup.n_targets = 0;
 364     popup.last_target = NULL;
 365 }
 366
 367 static gchar *popup_get_name(ObClient *c)
 368 {
 369     ObClient *p;
 370     gchar *title;
 371     const gchar *desk = NULL;
 372     gchar *ret;
 373
 374     /* find our highest direct parent */
 375     p = client_search_top_direct_parent(c);
 376
 377     if (c->desktop != DESKTOP_ALL && c->desktop != screen_desktop)
 378         desk = screen_desktop_names[c->desktop];
 379
 380     title = c->iconic ? c->icon_title : c->title;
 381
 382     /* use the transient's parent's title/icon if we don't have one */
 383     if (p != c && title[0] == '\0')
 384         title = p->iconic ? p->icon_title : p->title;
 385
 386     if (desk)
 387         ret = g_strdup_printf("%s [%s]", title, desk);
 388     else
 389         ret = g_strdup(title);
 390
 391     return ret;
 392 }
 393
 394 static void popup_render(ObFocusCyclePopup *p, const ObClient *c)
 395 {
 396     gint ml, mt, mr, mb;
 397     gint l, t, r, b;
 398     gint x, y, w, h;
 399     const Rect *screen_area = NULL;
 400     gint i;
 401     GList *it;
 402     const ObFocusCyclePopupTarget *newtarget;
 403     ObFocusCyclePopupMode mode = p->mode;
 404     gint icons_per_row;
 405     gint icon_rows;
 406     gint textw, texth;
 407     gint selected_pos;
 408     gint last_scroll;
 409
 410     /* vars for icon mode */
 411     gint icon_mode_textx;
 412     gint icon_mode_texty;
 413     gint icons_center_x;
 414
 415     /* vars for list mode */
 416     gint list_mode_icon_column_w = HILITE_SIZE + OUTSIDE_BORDER;
 417     gint up_arrow_x, down_arrow_x;
 418     gint up_arrow_y, down_arrow_y;
 419     gboolean showing_arrows = FALSE;
 420
 421     g_assert(mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ||
 422              mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST);
 423
 424     screen_area = screen_physical_area_primary(FALSE);
 425
 426     /* get the outside margins */
 427     RrMargins(p->a_bg, &ml, &mt, &mr, &mb);
 428
 429     /* get our outside borders */
 430     l = ml + OUTSIDE_BORDER;
 431     r = mr + OUTSIDE_BORDER;
 432     t = mt + OUTSIDE_BORDER;
 433     b = mb + OUTSIDE_BORDER;
 434
 435     /* get the width from the text and keep it within limits */
 436     w = l + r + p->maxtextw;
 437     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 438         /* when in list mode, there are icons down the side */
 439         w += list_mode_icon_column_w;
 440     w = MIN(w, MAX(screen_area->width/3, POPUP_WIDTH)); /* max width */
 441     w = MAX(w, POPUP_WIDTH); /* min width */
 442
 443     /* get the text height */
 444     texth = RrMinHeight(p->a_hilite_text);
 445     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 446         texth = MAX(MAX(texth, RrMinHeight(p->a_text)), HILITE_SIZE);
 447     else
 448         texth += TEXT_BORDER * 2;
 449
 450     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 451         /* how many icons will fit in that row? make the width fit that */
 452         w -= l + r;
 453         icons_per_row = (w + HILITE_SIZE - 1) / HILITE_SIZE;
 454         w = icons_per_row * HILITE_SIZE + l + r;
 455
 456         /* how many rows do we need? */
 457         icon_rows = (p->n_targets-1) / icons_per_row + 1;
 458     } else {
 459         /* in list mode, there is one column of icons.. */
 460         icons_per_row = 1;
 461         /* maximum is 80% of the screen height */
 462         icon_rows = MIN(p->n_targets,
 463                         (4*screen_area->height/5) /* 80% of the screen */
 464                         /
 465                         MAX(HILITE_SIZE, texth)); /* height of each row */
 466         /* but make sure there is always one */
 467         icon_rows = MAX(icon_rows, 1);
 468     }
 469
 470     /* get the text width */
 471     textw = w - l - r;
 472     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 473         /* leave space on the side for the icons */
 474         textw -= list_mode_icon_column_w;
 475
 476     if (!p->mapped)
 477         /* reset the scrolling when the dialog is first shown */
 478         p->scroll = 0;
 479
 480     /* find the height of the dialog */
 481     h = t + b + (icon_rows * MAX(HILITE_SIZE, texth));
 482     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS)
 483         /* in icon mode the text sits below the icons, so make some space */
 484         h += OUTSIDE_BORDER + texth;
 485
 486     /* find the focused target */
 487     newtarget = NULL;
 488     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 489         const ObFocusCyclePopupTarget *target = it->data;
 490         if (target->client == c) {
 491             /* save the target */
 492             newtarget = target;
 493             break;
 494         }
 495     }
 496     selected_pos = i;
 497     g_assert(newtarget != NULL);
 498
 499     /* scroll the list if needed */
 500     last_scroll = p->scroll;
 501     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 502         const gint top = p->scroll + SCROLL_MARGIN;
 503         const gint bottom = p->scroll + icon_rows - SCROLL_MARGIN;
 504         const gint min_scroll = 0;
 505         const gint max_scroll = p->n_targets - icon_rows;
 506
 507         if (top - selected_pos >= 0) {
 508             p->scroll -= top - selected_pos + 1;
 509             p->scroll = MAX(p->scroll, min_scroll);
 510         } else if (selected_pos - bottom >= 0) {
 511             p->scroll += selected_pos - bottom + 1;
 512             p->scroll = MIN(p->scroll, max_scroll);
 513         }
 514     }
 515
 516     /* show the scroll arrows when appropriate */
 517     if (p->scroll && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 518         XMapWindow(obt_display, p->list_mode_up);
 519         showing_arrows = TRUE;
 520     } else
 521         XUnmapWindow(obt_display, p->list_mode_up);
 522
 523     if (p->scroll < p->n_targets - icon_rows &&
 524         mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 525     {
 526         XMapWindow(obt_display, p->list_mode_down);
 527         showing_arrows = TRUE;
 528     } else
 529         XUnmapWindow(obt_display, p->list_mode_down);
 530
 531     /* make space for the arrows */
 532     if (showing_arrows)
 533         h += ob_rr_theme->up_arrow_mask->height + OUTSIDE_BORDER
 534             + ob_rr_theme->down_arrow_mask->height + OUTSIDE_BORDER;
 535
 536     /* center the icons if there is less than one row */
 537     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS && icon_rows == 1)
 538         icons_center_x = (w - p->n_targets * HILITE_SIZE) / 2;
 539     else
 540         icons_center_x = 0;
 541
 542     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 543         /* get the position of the text */
 544         icon_mode_textx = l;
 545         icon_mode_texty = h - texth - b;
 546     }
 547
 548     /* find the position for the popup (include the outer borders) */
 549     x = screen_area->x + (screen_area->width -
 550                           (w + ob_rr_theme->obwidth * 2)) / 2;
 551     y = screen_area->y + (screen_area->height -
 552                           (h + ob_rr_theme->obwidth * 2)) / 2;
 553
 554     if (!p->mapped) {
 555         /* position the background but don't draw it */
 556         XMoveResizeWindow(obt_display, p->bg, x, y, w, h);
 557
 558         if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 559             /* position the text */
 560             XMoveResizeWindow(obt_display, p->icon_mode_text,
 561                               icon_mode_textx, icon_mode_texty, textw, texth);
 562             XMapWindow(obt_display, popup.icon_mode_text);
 563         } else {
 564             XUnmapWindow(obt_display, popup.icon_mode_text);
 565
 566             up_arrow_x = (w - ob_rr_theme->up_arrow_mask->width) / 2;
 567             up_arrow_y = t;
 568
 569             down_arrow_x = (w - ob_rr_theme->down_arrow_mask->width) / 2;
 570             down_arrow_y = h - b - ob_rr_theme->down_arrow_mask->height;
 571
 572             /* position the arrows */
 573             XMoveResizeWindow(obt_display, p->list_mode_up,
 574                               up_arrow_x, up_arrow_y,
 575                               ob_rr_theme->up_arrow_mask->width,
 576                               ob_rr_theme->up_arrow_mask->height);
 577             XMoveResizeWindow(obt_display, p->list_mode_down,
 578                               down_arrow_x, down_arrow_y,
 579                               ob_rr_theme->down_arrow_mask->width,
 580                               ob_rr_theme->down_arrow_mask->height);
 581         }
 582     }
 583
 584     /* * * draw everything * * */
 585
 586     /* draw the background */
 587     if (!p->mapped)
 588         RrPaint(p->a_bg, p->bg, w, h);
 589
 590     /* draw the scroll arrows */
 591     if (!p->mapped && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 592         p->a_arrow->texture[0].data.mask.mask =
 593             ob_rr_theme->up_arrow_mask;
 594         p->a_arrow->surface.parent = p->a_bg;
 595         p->a_arrow->surface.parentx = up_arrow_x;
 596         p->a_arrow->surface.parenty = up_arrow_y;
 597         RrPaint(p->a_arrow, p->list_mode_up,
 598                 ob_rr_theme->up_arrow_mask->width,
 599                 ob_rr_theme->up_arrow_mask->height);
 600
 601         p->a_arrow->texture[0].data.mask.mask =
 602             ob_rr_theme->down_arrow_mask;
 603         p->a_arrow->surface.parent = p->a_bg;
 604         p->a_arrow->surface.parentx = down_arrow_x;
 605         p->a_arrow->surface.parenty = down_arrow_y;
 606         RrPaint(p->a_arrow, p->list_mode_down,
 607                 ob_rr_theme->down_arrow_mask->width,
 608                 ob_rr_theme->down_arrow_mask->height);
 609     }
 610
 611     /* draw the icons and text */
 612     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 613         const ObFocusCyclePopupTarget *target = it->data;
 614
 615         /* have to redraw the targetted icon and last targetted icon
 616          * to update the hilite */
 617         if (!p->mapped || newtarget == target || p->last_target == target ||
 618             last_scroll != p->scroll)
 619         {
 620             /* row and column start from 0 */
 621             const gint row = i / icons_per_row - p->scroll;
 622             const gint col = i % icons_per_row;
 623             gint iconx, icony;
 624             gint list_mode_textx, list_mode_texty;
 625             RrAppearance *text;
 626
 627             /* find the coordinates for the icon */
 628             iconx = icons_center_x + l + (col * HILITE_SIZE);
 629             icony = t + (showing_arrows ? ob_rr_theme->up_arrow_mask->height
 630                                           + OUTSIDE_BORDER
 631                          : 0)
 632                 + (row * MAX(texth, HILITE_SIZE))
 633                 + MAX(texth - HILITE_SIZE, 0) / 2;
 634
 635             /* find the dimensions of the text box */
 636             list_mode_textx = iconx + HILITE_SIZE + TEXT_BORDER;
 637             list_mode_texty = icony;
 638
 639             /* position the icon */
 640             XMoveResizeWindow(obt_display, target->iconwin,
 641                               iconx, icony, HILITE_SIZE, HILITE_SIZE);
 642
 643             /* position the text */
 644             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 645                 XMoveResizeWindow(obt_display, target->textwin,
 646                                   list_mode_textx, list_mode_texty,
 647                                   textw, texth);
 648
 649             /* show/hide the right windows */
 650             if (row >= 0 && row < icon_rows) {
 651                 XMapWindow(obt_display, target->iconwin);
 652                 if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 653                     XMapWindow(obt_display, target->textwin);
 654                 else
 655                     XUnmapWindow(obt_display, target->textwin);
 656             } else {
 657                 XUnmapWindow(obt_display, target->textwin);
 658                 if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 659                     XUnmapWindow(obt_display, target->iconwin);
 660                 else
 661                     XMapWindow(obt_display, target->iconwin);
 662             }
 663
 664             /* get the icon from the client */
 665             p->a_icon->texture[0].data.image.twidth = ICON_SIZE;
 666             p->a_icon->texture[0].data.image.theight = ICON_SIZE;
 667             p->a_icon->texture[0].data.image.tx = HILITE_OFFSET;
 668             p->a_icon->texture[0].data.image.ty = HILITE_OFFSET;
 669             p->a_icon->texture[0].data.image.alpha =
 670                 target->client->iconic ? OB_ICONIC_ALPHA : 0xff;
 671             p->a_icon->texture[0].data.image.image = target->icon;
 672
 673             /* Draw the hilite? */
 674             p->a_icon->texture[1].type = (target == newtarget) ?
 675                 RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
 676
 677             /* draw the icon */
 678             p->a_icon->surface.parentx = iconx;
 679             p->a_icon->surface.parenty = icony;
 680             RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE);
 681
 682             /* draw the text */
 683             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST ||
 684                 target == newtarget)
 685             {
 686                 text = (target == newtarget) ? p->a_hilite_text : p->a_text;
 687                 text->texture[0].data.text.string = target->text;
 688                 text->surface.parentx =
 689                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 690                     icon_mode_textx : list_mode_textx;
 691                 text->surface.parenty =
 692                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 693                     icon_mode_texty : list_mode_texty;
 694                 RrPaint(text,
 695                         (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 696                          p->icon_mode_text : target->textwin),
 697                         textw, texth);
 698             }
 699         }
 700     }
 701
 702     p->last_target = newtarget;
 703
 704     XFlush(obt_display);
 705 }
 706
 707 void focus_cycle_popup_show(ObClient *c, ObFocusCyclePopupMode mode,
 708                             gboolean linear)
 709 {
 710     g_assert(c != NULL);
 711
 712     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_NONE) {
 713         focus_cycle_popup_hide();
 714         return;
 715     }
 716
 717     /* do this stuff only when the dialog is first showing */
 718     if (!popup.mapped) {
 719         popup_setup(&popup, TRUE, FALSE, linear);
 720         /* this is fixed once the dialog is shown */
 721         popup.mode = mode;
 722     }
 723     g_assert(popup.targets != NULL);
 724
 725     popup_render(&popup, c);
 726
 727     if (!popup.mapped) {
 728         /* show the dialog */
 729         XMapWindow(obt_display, popup.bg);
 730         XFlush(obt_display);
 731         popup.mapped = TRUE;
 732         screen_hide_desktop_popup();
 733     }
 734 }
 735
 736 void focus_cycle_popup_hide(void)
 737 {
 738     gulong ignore_start;
 739
 740     ignore_start = event_start_ignore_all_enters();
 741
 742     XUnmapWindow(obt_display, popup.bg);
 743     XFlush(obt_display);
 744
 745     event_end_ignore_all_enters(ignore_start);
 746
 747     popup.mapped = FALSE;
 748
 749     popup_cleanup();
 750 }
 751
 752 void focus_cycle_popup_single_show(struct _ObClient *c)
 753 {
 754     gchar *text;
 755
 756     g_assert(c != NULL);
 757
 758     /* do this stuff only when the dialog is first showing */
 759     if (!single_popup->popup->mapped) {
 760         const Rect *a;
 761
 762         /* position the popup */
 763         a = screen_physical_area_primary(FALSE);
 764         icon_popup_position(single_popup, CenterGravity,
 765                             a->x + a->width / 2, a->y + a->height / 2);
 766         icon_popup_height(single_popup, POPUP_HEIGHT);
 767         icon_popup_min_width(single_popup, POPUP_WIDTH);
 768         icon_popup_max_width(single_popup, MAX(a->width/3, POPUP_WIDTH));
 769         icon_popup_text_width(single_popup, popup.maxtextw);
 770     }
 771
 772     text = popup_get_name(c);
 773     icon_popup_show(single_popup, text, client_icon(c));
 774     g_free(text);
 775     screen_hide_desktop_popup();
 776 }
 777
 778 void focus_cycle_popup_single_hide(void)
 779 {
 780     icon_popup_hide(single_popup);
 781 }
 782
 783 gboolean focus_cycle_popup_is_showing(ObClient *c)
 784 {
 785     if (popup.mapped) {
 786         GList *it;
 787
 788         for (it = popup.targets; it; it = g_list_next(it)) {
 789             ObFocusCyclePopupTarget *t = it->data;
 790             if (t->client == c)
 791                 return TRUE;
 792         }
 793     }
 794     return FALSE;
 795 }
 796
 797 static ObClient* popup_revert(ObClient *target)
 798 {
 799     GList *it, *itt;
 800
 801     for (it = popup.targets; it; it = g_list_next(it)) {
 802         ObFocusCyclePopupTarget *t = it->data;
 803         if (t->client == target) {
 804             /* move to a previous window if possible */
 805             for (itt = it->prev; itt; itt = g_list_previous(itt)) {
 806                 ObFocusCyclePopupTarget *t2 = itt->data;
 807                 if (focus_cycle_valid(t2->client))
 808                     return t2->client;
 809             }
 810
 811             /* otherwise move to a following window if possible */
 812             for (itt = it->next; itt; itt = g_list_next(itt)) {
 813                 ObFocusCyclePopupTarget *t2 = itt->data;
 814                 if (focus_cycle_valid(t2->client))
 815                     return t2->client;
 816             }
 817
 818             /* otherwise, we can't go anywhere there is nowhere valid to go */
 819             return NULL;
 820         }
 821     }
 822     return NULL;
 823 }
 824
 825 ObClient* focus_cycle_popup_refresh(ObClient *target,
 826                                     gboolean redraw,
 827                                     gboolean linear)
 828 {
 829     if (!popup.mapped) return NULL;
 830
 831     if (!focus_cycle_valid(target))
 832         target = popup_revert(target);
 833
 834     redraw = popup_setup(&popup, TRUE, TRUE, linear) && redraw;
 835
 836     if (!target && popup.targets)
 837         target = ((ObFocusCyclePopupTarget*)popup.targets->data)->client;
 838
 839     if (target && redraw) {
 840         popup.mapped = FALSE;
 841         popup_render(&popup, target);
 842         XFlush(obt_display);
 843         popup.mapped = TRUE;
 844     }
 845
 846     return target;
 847 }