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 static void     popup_render   (ObFocusCyclePopup *p,
 107                                 const ObClient *c);
 108
 109 static Window create_window(Window parent, guint bwidth, gulong mask,
 110                             XSetWindowAttributes *attr)
 111 {
 112     return XCreateWindow(obt_display, parent, 0, 0, 1, 1, bwidth,
 113                          RrDepth(ob_rr_inst), InputOutput,
 114                          RrVisual(ob_rr_inst), mask, attr);
 115 }
 116
 117 void focus_cycle_popup_startup(gboolean reconfig)
 118 {
 119     XSetWindowAttributes attrib;
 120     RrPixel32 *p;
 121
 122     single_popup = icon_popup_new();
 123
 124     popup.obwin.type = OB_WINDOW_CLASS_INTERNAL;
 125     popup.a_bg = RrAppearanceCopy(ob_rr_theme->osd_bg);
 126     popup.a_hilite_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
 127     popup.a_text = RrAppearanceCopy(ob_rr_theme->osd_unhilite_label);
 128     popup.a_icon = RrAppearanceCopy(ob_rr_theme->a_clear);
 129     popup.a_arrow = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 130
 131     popup.a_hilite_text->surface.parent = popup.a_bg;
 132     popup.a_text->surface.parent = popup.a_bg;
 133     popup.a_icon->surface.parent = popup.a_bg;
 134
 135     popup.a_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 136     popup.a_hilite_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 137
 138     /* 2 textures. texture[0] is the icon.  texture[1] is the hilight, and
 139        may or may not be used */
 140     RrAppearanceAddTextures(popup.a_icon, 2);
 141
 142     RrAppearanceClearTextures(popup.a_icon);
 143     popup.a_icon->texture[0].type = RR_TEXTURE_IMAGE;
 144
 145     RrAppearanceClearTextures(popup.a_arrow);
 146     popup.a_arrow->texture[0].type = RR_TEXTURE_MASK;
 147     popup.a_arrow->texture[0].data.mask.color =
 148         ob_rr_theme->osd_text_active_color;
 149
 150     attrib.override_redirect = True;
 151     attrib.border_pixel=RrColorPixel(ob_rr_theme->osd_border_color);
 152     popup.bg = create_window(obt_root(ob_screen), ob_rr_theme->obwidth,
 153                              CWOverrideRedirect | CWBorderPixel, &attrib);
 154
 155     /* create the text window used for the icon-mode popup */
 156     popup.icon_mode_text = create_window(popup.bg, 0, 0, NULL);
 157
 158     /* create the windows for the up and down arrows */
 159     popup.list_mode_up = create_window(popup.bg, 0, 0, NULL);
 160     popup.list_mode_down = create_window(popup.bg, 0, 0, NULL);
 161
 162     popup.targets = NULL;
 163     popup.n_targets = 0;
 164     popup.last_target = NULL;
 165
 166     /* set up the hilite texture for the icon */
 167     popup.a_icon->texture[1].data.rgba.width = HILITE_SIZE;
 168     popup.a_icon->texture[1].data.rgba.height = HILITE_SIZE;
 169     popup.a_icon->texture[1].data.rgba.alpha = 0xff;
 170     p = g_new(RrPixel32, HILITE_SIZE * HILITE_SIZE);
 171     popup.a_icon->texture[1].data.rgba.data = p;
 172
 173     /* create the hilite under the target icon */
 174     {
 175         RrPixel32 color;
 176         RrColor *tc;
 177         gint x, y, o;
 178
 179         tc = ob_rr_theme->osd_text_active_color;
 180         color = ((tc->r & 0xff) << RrDefaultRedOffset) +
 181             ((tc->g & 0xff) << RrDefaultGreenOffset) +
 182             ((tc->b & 0xff) << RrDefaultBlueOffset);
 183
 184         o = 0;
 185         for (x = 0; x < HILITE_SIZE; x++)
 186             for (y = 0; y < HILITE_SIZE; y++) {
 187                 guchar a;
 188
 189                 if (x < HILITE_WIDTH ||
 190                     x >= HILITE_SIZE - HILITE_WIDTH ||
 191                     y < HILITE_WIDTH ||
 192                     y >= HILITE_SIZE - HILITE_WIDTH)
 193                 {
 194                     /* the border of the target */
 195                     a = 0x88;
 196                 } else {
 197                     /* the background of the target */
 198                     a = 0x22;
 199                 }
 200
 201                 p[o++] = color + (a << RrDefaultAlphaOffset);
 202             }
 203     }
 204
 205     stacking_add(INTERNAL_AS_WINDOW(&popup));
 206     window_add(&popup.bg, INTERNAL_AS_WINDOW(&popup));
 207 }
 208
 209 void focus_cycle_popup_shutdown(gboolean reconfig)
 210 {
 211     icon_popup_free(single_popup);
 212
 213     window_remove(popup.bg);
 214     stacking_remove(INTERNAL_AS_WINDOW(&popup));
 215
 216     while(popup.targets) {
 217         ObFocusCyclePopupTarget *t = popup.targets->data;
 218
 219         RrImageUnref(t->icon);
 220         g_free(t->text);
 221         XDestroyWindow(obt_display, t->iconwin);
 222         XDestroyWindow(obt_display, t->textwin);
 223         g_free(t);
 224
 225         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 226     }
 227
 228     g_free(popup.a_icon->texture[1].data.rgba.data);
 229     popup.a_icon->texture[1].data.rgba.data = NULL;
 230
 231     XDestroyWindow(obt_display, popup.list_mode_up);
 232     XDestroyWindow(obt_display, popup.list_mode_down);
 233     XDestroyWindow(obt_display, popup.icon_mode_text);
 234     XDestroyWindow(obt_display, popup.bg);
 235
 236     RrAppearanceFree(popup.a_arrow);
 237     RrAppearanceFree(popup.a_icon);
 238     RrAppearanceFree(popup.a_hilite_text);
 239     RrAppearanceFree(popup.a_text);
 240     RrAppearanceFree(popup.a_bg);
 241 }
 242
 243 static void popup_target_free(ObFocusCyclePopupTarget *t)
 244 {
 245     RrImageUnref(t->icon);
 246     g_free(t->text);
 247     XDestroyWindow(obt_display, t->iconwin);
 248     XDestroyWindow(obt_display, t->textwin);
 249     g_slice_free(ObFocusCyclePopupTarget, t);
 250 }
 251
 252 static gboolean popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
 253                             gboolean refresh_targets)
 254 {
 255     gint maxwidth, n;
 256     GList *it;
 257     GList *rtargets; /* old targets for refresh */
 258     GList *rtlast;
 259     gboolean change;
 260
 261     if (refresh_targets) {
 262         rtargets = p->targets;
 263         rtlast = g_list_last(rtargets);
 264         p->targets = NULL;
 265         p->n_targets = 0;
 266         change = FALSE;
 267     }
 268     else {
 269         rtargets = rtlast = NULL;
 270         change = TRUE;
 271     }
 272
 273     g_assert(p->targets == NULL);
 274     g_assert(p->n_targets == 0);
 275
 276     /* make its width to be the width of all the possible titles */
 277
 278     /* build a list of all the valid focus targets and measure their strings,
 279        and count them */
 280     maxwidth = 0;
 281     n = 0;
 282     for (it = g_list_last(focus_order); it; it = g_list_previous(it)) {
 283         ObClient *ft = it->data;
 284
 285         if (focus_cycle_valid(ft)) {
 286             GList *rit;
 287
 288             /* reuse the target if possible during refresh */
 289             for (rit = rtlast; rit; rit = g_list_previous(rit)) {
 290                 ObFocusCyclePopupTarget *t = rit->data;
 291                 if (t->client == ft) {
 292                     if (rit == rtlast)
 293                         rtlast = g_list_previous(rit);
 294                     rtargets = g_list_remove_link(rtargets, rit);
 295
 296                     p->targets = g_list_concat(rit, p->targets);
 297                     ++n;
 298
 299                     if (rit != rtlast)
 300                         change = TRUE; /* order changed */
 301                     break;
 302                 }
 303             }
 304
 305             if (!rit) {
 306                 gchar *text = popup_get_name(ft);
 307
 308                 /* measure */
 309                 p->a_text->texture[0].data.text.string = text;
 310                 maxwidth = MAX(maxwidth, RrMinWidth(p->a_text));
 311
 312                 if (!create_targets) {
 313                     g_free(text);
 314                 } else {
 315                     ObFocusCyclePopupTarget *t =
 316                         g_slice_new(ObFocusCyclePopupTarget);
 317
 318                     t->client = ft;
 319                     t->text = text;
 320                     t->icon = client_icon(t->client);
 321                     RrImageRef(t->icon); /* own the icon so it won't go away */
 322                     t->iconwin = create_window(p->bg, 0, 0, NULL);
 323                     t->textwin = create_window(p->bg, 0, 0, NULL);
 324
 325                     p->targets = g_list_prepend(p->targets, t);
 326                     ++n;
 327
 328                     change = TRUE; /* added a window */
 329                 }
 330             }
 331         }
 332     }
 333
 334     if (rtargets) {
 335         change = TRUE; /* removed a window */
 336
 337         while (rtargets) {
 338             popup_target_free(rtargets->data);
 339             rtargets = g_list_delete_link(rtargets, rtargets);
 340         }
 341     }
 342
 343     p->n_targets = n;
 344     if (refresh_targets)
 345         /* don't shrink when refreshing */
 346         p->maxtextw = MAX(p->maxtextw, maxwidth);
 347     else
 348         p->maxtextw = maxwidth;
 349
 350     return change;
 351 }
 352
 353 static void popup_cleanup(void)
 354 {
 355     while(popup.targets) {
 356         popup_target_free(popup.targets->data);
 357         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 358     }
 359     popup.n_targets = 0;
 360     popup.last_target = NULL;
 361 }
 362
 363 static gchar *popup_get_name(ObClient *c)
 364 {
 365     ObClient *p;
 366     gchar *title;
 367     const gchar *desk = NULL;
 368     gchar *ret;
 369
 370     /* find our highest direct parent */
 371     p = client_search_top_direct_parent(c);
 372
 373     if (c->desktop != DESKTOP_ALL && c->desktop != screen_desktop)
 374         desk = screen_desktop_names[c->desktop];
 375
 376     title = c->iconic ? c->icon_title : c->title;
 377
 378     /* use the transient's parent's title/icon if we don't have one */
 379     if (p != c && title[0] == '\0')
 380         title = p->iconic ? p->icon_title : p->title;
 381
 382     if (desk)
 383         ret = g_strdup_printf("%s [%s]", title, desk);
 384     else
 385         ret = g_strdup(title);
 386
 387     return ret;
 388 }
 389
 390 static void popup_render(ObFocusCyclePopup *p, const ObClient *c)
 391 {
 392     gint ml, mt, mr, mb;
 393     gint l, t, r, b;
 394     gint x, y, w, h;
 395     Rect const *screen_area = NULL;
 396     gint i;
 397     GList *it;
 398     const ObFocusCyclePopupTarget *newtarget;
 399     ObFocusCyclePopupMode mode = p->mode;
 400     gint icons_per_row;
 401     gint icon_rows;
 402     gint textw, texth;
 403     gint selected_pos;
 404     gint last_scroll;
 405
 406     /* vars for icon mode */
 407     gint icon_mode_textx;
 408     gint icon_mode_texty;
 409     gint icons_center_x;
 410
 411     /* vars for list mode */
 412     gint list_mode_icon_column_w = HILITE_SIZE + OUTSIDE_BORDER;
 413     gint up_arrow_x, down_arrow_x;
 414     gint up_arrow_y, down_arrow_y;
 415     gboolean showing_arrows = FALSE;
 416
 417     g_assert(mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ||
 418              mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST);
 419
 420     screen_area = screen_physical_area_primary(FALSE);
 421
 422     /* get the outside margins */
 423     RrMargins(p->a_bg, &ml, &mt, &mr, &mb);
 424
 425     /* get our outside borders */
 426     l = ml + OUTSIDE_BORDER;
 427     r = mr + OUTSIDE_BORDER;
 428     t = mt + OUTSIDE_BORDER;
 429     b = mb + OUTSIDE_BORDER;
 430
 431     /* get the width from the text and keep it within limits */
 432     w = l + r + p->maxtextw;
 433     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 434         /* when in list mode, there are icons down the side */
 435         w += list_mode_icon_column_w;
 436     w = MIN(w, MAX(screen_area->width/3, POPUP_WIDTH)); /* max width */
 437     w = MAX(w, POPUP_WIDTH); /* min width */
 438
 439     /* get the text height */
 440     texth = RrMinHeight(p->a_hilite_text);
 441     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 442         texth = MAX(MAX(texth, RrMinHeight(p->a_text)), HILITE_SIZE);
 443     else
 444         texth += TEXT_BORDER * 2;
 445
 446     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 447         /* how many icons will fit in that row? make the width fit that */
 448         w -= l + r;
 449         icons_per_row = (w + HILITE_SIZE - 1) / HILITE_SIZE;
 450         w = icons_per_row * HILITE_SIZE + l + r;
 451
 452         /* how many rows do we need? */
 453         icon_rows = (p->n_targets-1) / icons_per_row + 1;
 454     } else {
 455         /* in list mode, there is one column of icons.. */
 456         icons_per_row = 1;
 457         /* maximum is 80% of the screen height */
 458         icon_rows = MIN(p->n_targets,
 459                         (4*screen_area->height/5) /* 80% of the screen */
 460                         /
 461                         MAX(HILITE_SIZE, texth)); /* height of each row */
 462         /* but make sure there is always one */
 463         icon_rows = MAX(icon_rows, 1);
 464     }
 465
 466     /* get the text width */
 467     textw = w - l - r;
 468     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 469         /* leave space on the side for the icons */
 470         textw -= list_mode_icon_column_w;
 471
 472     if (!p->mapped)
 473         /* reset the scrolling when the dialog is first shown */
 474         p->scroll = 0;
 475
 476     /* find the height of the dialog */
 477     h = t + b + (icon_rows * MAX(HILITE_SIZE, texth));
 478     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS)
 479         /* in icon mode the text sits below the icons, so make some space */
 480         h += OUTSIDE_BORDER + texth;
 481
 482     /* find the focused target */
 483     newtarget = NULL;
 484     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 485         const ObFocusCyclePopupTarget *target = it->data;
 486         if (target->client == c) {
 487             /* save the target */
 488             newtarget = target;
 489             break;
 490         }
 491     }
 492     selected_pos = i;
 493     g_assert(newtarget != NULL);
 494
 495     /* scroll the list if needed */
 496     last_scroll = p->scroll;
 497     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 498         const gint top = p->scroll + SCROLL_MARGIN;
 499         const gint bottom = p->scroll + icon_rows - SCROLL_MARGIN;
 500         const gint min_scroll = 0;
 501         const gint max_scroll = p->n_targets - icon_rows;
 502
 503         if (top - selected_pos >= 0) {
 504             p->scroll -= top - selected_pos + 1;
 505             p->scroll = MAX(p->scroll, min_scroll);
 506         } else if (selected_pos - bottom >= 0) {
 507             p->scroll += selected_pos - bottom + 1;
 508             p->scroll = MIN(p->scroll, max_scroll);
 509         }
 510     }
 511
 512     /* show the scroll arrows when appropriate */
 513     if (p->scroll && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 514         XMapWindow(obt_display, p->list_mode_up);
 515         showing_arrows = TRUE;
 516     } else
 517         XUnmapWindow(obt_display, p->list_mode_up);
 518
 519     if (p->scroll < p->n_targets - icon_rows &&
 520         mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 521     {
 522         XMapWindow(obt_display, p->list_mode_down);
 523         showing_arrows = TRUE;
 524     } else
 525         XUnmapWindow(obt_display, p->list_mode_down);
 526
 527     /* make space for the arrows */
 528     if (showing_arrows)
 529         h += ob_rr_theme->up_arrow_mask->height + OUTSIDE_BORDER
 530             + ob_rr_theme->down_arrow_mask->height + OUTSIDE_BORDER;
 531
 532     /* center the icons if there is less than one row */
 533     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS && icon_rows == 1)
 534         icons_center_x = (w - p->n_targets * HILITE_SIZE) / 2;
 535     else
 536         icons_center_x = 0;
 537
 538     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 539         /* get the position of the text */
 540         icon_mode_textx = l;
 541         icon_mode_texty = h - texth - b;
 542     }
 543
 544     /* find the position for the popup (include the outer borders) */
 545     x = screen_area->x + (screen_area->width -
 546                           (w + ob_rr_theme->obwidth * 2)) / 2;
 547     y = screen_area->y + (screen_area->height -
 548                           (h + ob_rr_theme->obwidth * 2)) / 2;
 549
 550     if (!p->mapped) {
 551         /* position the background but don't draw it */
 552         XMoveResizeWindow(obt_display, p->bg, x, y, w, h);
 553
 554         if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 555             /* position the text */
 556             XMoveResizeWindow(obt_display, p->icon_mode_text,
 557                               icon_mode_textx, icon_mode_texty, textw, texth);
 558             XMapWindow(obt_display, popup.icon_mode_text);
 559         } else {
 560             XUnmapWindow(obt_display, popup.icon_mode_text);
 561
 562             up_arrow_x = (w - ob_rr_theme->up_arrow_mask->width) / 2;
 563             up_arrow_y = t;
 564
 565             down_arrow_x = (w - ob_rr_theme->down_arrow_mask->width) / 2;
 566             down_arrow_y = h - b - ob_rr_theme->down_arrow_mask->height;
 567
 568             /* position the arrows */
 569             XMoveResizeWindow(obt_display, p->list_mode_up,
 570                               up_arrow_x, up_arrow_y,
 571                               ob_rr_theme->up_arrow_mask->width,
 572                               ob_rr_theme->up_arrow_mask->height);
 573             XMoveResizeWindow(obt_display, p->list_mode_down,
 574                               down_arrow_x, down_arrow_y,
 575                               ob_rr_theme->down_arrow_mask->width,
 576                               ob_rr_theme->down_arrow_mask->height);
 577         }
 578     }
 579
 580     /* * * draw everything * * */
 581
 582     /* draw the background */
 583     if (!p->mapped)
 584         RrPaint(p->a_bg, p->bg, w, h);
 585
 586     /* draw the scroll arrows */
 587     if (!p->mapped && mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST) {
 588         p->a_arrow->texture[0].data.mask.mask =
 589             ob_rr_theme->up_arrow_mask;
 590         p->a_arrow->surface.parent = p->a_bg;
 591         p->a_arrow->surface.parentx = up_arrow_x;
 592         p->a_arrow->surface.parenty = up_arrow_y;
 593         RrPaint(p->a_arrow, p->list_mode_up,
 594                 ob_rr_theme->up_arrow_mask->width,
 595                 ob_rr_theme->up_arrow_mask->height);
 596
 597         p->a_arrow->texture[0].data.mask.mask =
 598             ob_rr_theme->down_arrow_mask;
 599         p->a_arrow->surface.parent = p->a_bg;
 600         p->a_arrow->surface.parentx = down_arrow_x;
 601         p->a_arrow->surface.parenty = down_arrow_y;
 602         RrPaint(p->a_arrow, p->list_mode_down,
 603                 ob_rr_theme->down_arrow_mask->width,
 604                 ob_rr_theme->down_arrow_mask->height);
 605     }
 606
 607     /* draw the icons and text */
 608     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 609         const ObFocusCyclePopupTarget *target = it->data;
 610
 611         /* have to redraw the targetted icon and last targetted icon
 612          * to update the hilite */
 613         if (!p->mapped || newtarget == target || p->last_target == target ||
 614             last_scroll != p->scroll)
 615         {
 616             /* row and column start from 0 */
 617             const gint row = i / icons_per_row - p->scroll;
 618             const gint col = i % icons_per_row;
 619             gint iconx, icony;
 620             gint list_mode_textx, list_mode_texty;
 621             RrAppearance *text;
 622
 623             /* find the coordinates for the icon */
 624             iconx = icons_center_x + l + (col * HILITE_SIZE);
 625             icony = t + (showing_arrows ? ob_rr_theme->up_arrow_mask->height
 626                                           + OUTSIDE_BORDER
 627                          : 0)
 628                 + (row * MAX(texth, HILITE_SIZE))
 629                 + MAX(texth - HILITE_SIZE, 0) / 2;
 630
 631             /* find the dimensions of the text box */
 632             list_mode_textx = iconx + HILITE_SIZE + TEXT_BORDER;
 633             list_mode_texty = icony;
 634
 635             /* position the icon */
 636             XMoveResizeWindow(obt_display, target->iconwin,
 637                               iconx, icony, HILITE_SIZE, HILITE_SIZE);
 638
 639             /* position the text */
 640             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 641                 XMoveResizeWindow(obt_display, target->textwin,
 642                                   list_mode_textx, list_mode_texty,
 643                                   textw, texth);
 644
 645             /* show/hide the right windows */
 646             if (row >= 0 && row < icon_rows) {
 647                 XMapWindow(obt_display, target->iconwin);
 648                 if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 649                     XMapWindow(obt_display, target->textwin);
 650                 else
 651                     XUnmapWindow(obt_display, target->textwin);
 652             } else {
 653                 XUnmapWindow(obt_display, target->textwin);
 654                 if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 655                     XUnmapWindow(obt_display, target->iconwin);
 656                 else
 657                     XMapWindow(obt_display, target->iconwin);
 658             }
 659
 660             /* get the icon from the client */
 661             p->a_icon->texture[0].data.image.twidth = ICON_SIZE;
 662             p->a_icon->texture[0].data.image.theight = ICON_SIZE;
 663             p->a_icon->texture[0].data.image.tx = HILITE_OFFSET;
 664             p->a_icon->texture[0].data.image.ty = HILITE_OFFSET;
 665             p->a_icon->texture[0].data.image.alpha =
 666                 target->client->iconic ? OB_ICONIC_ALPHA : 0xff;
 667             p->a_icon->texture[0].data.image.image = target->icon;
 668
 669             /* Draw the hilite? */
 670             p->a_icon->texture[1].type = (target == newtarget) ?
 671                 RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
 672
 673             /* draw the icon */
 674             p->a_icon->surface.parentx = iconx;
 675             p->a_icon->surface.parenty = icony;
 676             RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE);
 677
 678             /* draw the text */
 679             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST ||
 680                 target == newtarget)
 681             {
 682                 text = (target == newtarget) ? p->a_hilite_text : p->a_text;
 683                 text->texture[0].data.text.string = target->text;
 684                 text->surface.parentx =
 685                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 686                     icon_mode_textx : list_mode_textx;
 687                 text->surface.parenty =
 688                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 689                     icon_mode_texty : list_mode_texty;
 690                 RrPaint(text,
 691                         (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 692                          p->icon_mode_text : target->textwin),
 693                         textw, texth);
 694             }
 695         }
 696     }
 697
 698     p->last_target = newtarget;
 699
 700     XFlush(obt_display);
 701 }
 702
 703 void focus_cycle_popup_show(ObClient *c, gboolean iconic_windows,
 704                             gboolean all_desktops, gboolean dock_windows,
 705                             gboolean desktop_windows,
 706                             ObFocusCyclePopupMode mode)
 707 {
 708     g_assert(c != NULL);
 709
 710     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_NONE) {
 711         focus_cycle_popup_hide();
 712         return;
 713     }
 714
 715     /* do this stuff only when the dialog is first showing */
 716     if (!popup.mapped) {
 717         popup_setup(&popup, TRUE, FALSE);
 718         /* this is fixed once the dialog is shown */
 719         popup.mode = mode;
 720     }
 721     g_assert(popup.targets != NULL);
 722
 723     popup_render(&popup, c);
 724
 725     if (!popup.mapped) {
 726         /* show the dialog */
 727         XMapWindow(obt_display, popup.bg);
 728         XFlush(obt_display);
 729         popup.mapped = TRUE;
 730         screen_hide_desktop_popup();
 731     }
 732 }
 733
 734 void focus_cycle_popup_hide(void)
 735 {
 736     gulong ignore_start;
 737
 738     ignore_start = event_start_ignore_all_enters();
 739
 740     XUnmapWindow(obt_display, popup.bg);
 741     XFlush(obt_display);
 742
 743     event_end_ignore_all_enters(ignore_start);
 744
 745     popup.mapped = FALSE;
 746
 747     popup_cleanup();
 748 }
 749
 750 void focus_cycle_popup_single_show(struct _ObClient *c,
 751                                    gboolean iconic_windows,
 752                                    gboolean all_desktops,
 753                                    gboolean dock_windows,
 754                                    gboolean desktop_windows)
 755 {
 756     gchar *text;
 757
 758     g_assert(c != NULL);
 759
 760     /* do this stuff only when the dialog is first showing */
 761     if (!popup.mapped) {
 762         Rect const *a;
 763
 764         popup_setup(&popup, FALSE, FALSE);
 765         g_assert(popup.targets == NULL);
 766
 767         /* position the popup */
 768         a = screen_physical_area_primary(FALSE);
 769         icon_popup_position(single_popup, CenterGravity,
 770                             a->x + a->width / 2, a->y + a->height / 2);
 771         icon_popup_height(single_popup, POPUP_HEIGHT);
 772         icon_popup_min_width(single_popup, POPUP_WIDTH);
 773         icon_popup_max_width(single_popup, MAX(a->width/3, POPUP_WIDTH));
 774         icon_popup_text_width(single_popup, popup.maxtextw);
 775     }
 776
 777     text = popup_get_name(c);
 778     icon_popup_show(single_popup, text, client_icon(c));
 779     g_free(text);
 780     screen_hide_desktop_popup();
 781 }
 782
 783 void focus_cycle_popup_single_hide(void)
 784 {
 785     icon_popup_hide(single_popup);
 786 }
 787
 788 gboolean focus_cycle_popup_is_showing(ObClient *c)
 789 {
 790     if (popup.mapped) {
 791         GList *it;
 792
 793         for (it = popup.targets; it; it = g_list_next(it)) {
 794             ObFocusCyclePopupTarget *t = it->data;
 795             if (t->client == c)
 796                 return TRUE;
 797         }
 798     }
 799     return FALSE;
 800 }
 801
 802 static ObClient* popup_revert(ObClient *target)
 803 {
 804     GList *it, *itt;
 805
 806     for (it = popup.targets; it; it = g_list_next(it)) {
 807         ObFocusCyclePopupTarget *t = it->data;
 808         if (t->client == target) {
 809             /* move to a previous window if possible */
 810             for (itt = it->prev; itt; itt = g_list_previous(itt)) {
 811                 ObFocusCyclePopupTarget *t2 = itt->data;
 812                 if (focus_cycle_valid(t2->client))
 813                     return t2->client;
 814             }
 815
 816             /* otherwise move to a following window if possible */
 817             for (itt = it->next; itt; itt = g_list_next(itt)) {
 818                 ObFocusCyclePopupTarget *t2 = itt->data;
 819                 if (focus_cycle_valid(t2->client))
 820                     return t2->client;
 821             }
 822
 823             /* otherwise, we can't go anywhere there is nowhere valid to go */
 824             return NULL;
 825         }
 826     }
 827     return NULL;
 828 }
 829
 830 ObClient* focus_cycle_popup_refresh(ObClient *target,
 831                                     gboolean redraw)
 832 {
 833     if (!popup.mapped) return NULL;
 834
 835     if (!focus_cycle_valid(target))
 836         target = popup_revert(target);
 837
 838     redraw = popup_setup(&popup, TRUE, TRUE) && redraw;
 839
 840     if (!target && popup.targets)
 841         target = ((ObFocusCyclePopupTarget*)popup.targets->data)->client;
 842
 843     if (target && redraw) {
 844         popup.mapped = FALSE;
 845         popup_render(&popup, target);
 846         XFlush(obt_display);
 847         popup.mapped = TRUE;
 848     }
 849
 850     return target;
 851 }