Dogcows Code - chaz/openbox/blob - 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 "popup.h"
  22 #include "client.h"
  23 #include "screen.h"
  24 #include "focus.h"
  25 #include "openbox.h"
  26 #include "window.h"
  27 #include "event.h"
  28 #include "render/render.h"
  29
  30 #include <X11/Xlib.h>
  31 #include <glib.h>
  32
  33 /* Size of the hilite box around a window's icon */
  34 #define HILITE_SIZE 40
  35 /* Width of the outer ring around the hilite box */
  36 #define HILITE_WIDTH 2
  37 /* Space between the outer ring around the hilite box and the icon inside it */
  38 #define HILITE_MARGIN 1
  39 /* Total distance from the edge of the hilite box to the icon inside it */
  40 #define HILITE_OFFSET (HILITE_WIDTH + HILITE_MARGIN)
  41 /* Size of the icons, which can appear inside or outside of a hilite box */
  42 #define ICON_SIZE (HILITE_SIZE - 2*HILITE_OFFSET)
  43 /* Margin area around the outside of the dialog */
  44 #define OUTSIDE_BORDER 3
  45 /* Margin area around the text */
  46 #define TEXT_BORDER 2
  47
  48 typedef struct _ObFocusCyclePopup       ObFocusCyclePopup;
  49 typedef struct _ObFocusCyclePopupTarget ObFocusCyclePopupTarget;
  50
  51 struct _ObFocusCyclePopupTarget
  52 {
  53     ObClient *client;
  54     gchar *text;
  55     Window iconwin;
  56     /* This is used when the popup is in list mode */
  57     Window textwin;
  58 };
  59
  60 struct _ObFocusCyclePopup
  61 {
  62     ObWindow obwin;
  63     Window bg;
  64
  65     /* This is used when the popup is in icon mode */
  66     Window icon_mode_text;
  67
  68     GList *targets;
  69     gint n_targets;
  70
  71     const ObFocusCyclePopupTarget *last_target;
  72
  73     gint maxtextw;
  74
  75     RrAppearance *a_bg;
  76     RrAppearance *a_text;
  77     RrAppearance *a_hilite_text;
  78     RrAppearance *a_icon;
  79
  80     gboolean mapped;
  81 };
  82
  83 /*! This popup shows all possible windows */
  84 static ObFocusCyclePopup popup;
  85 /*! This popup shows a single window */
  86 static ObIconPopup *single_popup;
  87
  88 static gchar *popup_get_name (ObClient *c);
  89 static void   popup_setup    (ObFocusCyclePopup *p,
  90                               gboolean create_targets,
  91                               gboolean iconic_windows,
  92                               gboolean all_desktops,
  93                               gboolean dock_windows,
  94                               gboolean desktop_windows);
  95 static void   popup_render   (ObFocusCyclePopup *p,
  96                               const ObClient *c,
  97                               ObFocusCyclePopupMode mode);
  98
  99 static Window create_window(Window parent, guint bwidth, gulong mask,
 100                             XSetWindowAttributes *attr)
 101 {
 102     return XCreateWindow(obt_display, parent, 0, 0, 1, 1, bwidth,
 103                          RrDepth(ob_rr_inst), InputOutput,
 104                          RrVisual(ob_rr_inst), mask, attr);
 105 }
 106
 107 void focus_cycle_popup_startup(gboolean reconfig)
 108 {
 109     XSetWindowAttributes attrib;
 110     RrPixel32 *p;
 111
 112     single_popup = icon_popup_new();
 113
 114     popup.obwin.type = OB_WINDOW_CLASS_INTERNAL;
 115     popup.a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
 116     popup.a_hilite_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
 117     popup.a_text = RrAppearanceCopy(ob_rr_theme->a_unfocused_label);
 118     popup.a_icon = RrAppearanceCopy(ob_rr_theme->a_clear);
 119
 120     popup.a_hilite_text->surface.parent = popup.a_bg;
 121     popup.a_text->surface.parent = popup.a_bg;
 122     popup.a_icon->surface.parent = popup.a_bg;
 123
 124     popup.a_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 125     popup.a_hilite_text->texture[0].data.text.justify = RR_JUSTIFY_LEFT;
 126
 127     /* 2 textures. texture[0] is the icon.  texture[1] is the hilight, and
 128        may or may not be used */
 129     RrAppearanceAddTextures(popup.a_icon, 2);
 130
 131     popup.a_icon->texture[0].type = RR_TEXTURE_RGBA;
 132
 133     attrib.override_redirect = True;
 134     attrib.border_pixel=RrColorPixel(ob_rr_theme->osd_border_color);
 135     popup.bg = create_window(obt_root(ob_screen), ob_rr_theme->obwidth,
 136                              CWOverrideRedirect | CWBorderPixel, &attrib);
 137
 138     /* create the text window used for the icon-mode popup */
 139     popup.icon_mode_text = create_window(popup.bg, 0, 0, NULL);
 140     XMapWindow(obt_display, popup.icon_mode_text);
 141
 142     popup.targets = NULL;
 143     popup.n_targets = 0;
 144     popup.last_target = NULL;
 145
 146     /* set up the hilite texture for the icon */
 147     popup.a_icon->texture[1].data.rgba.width = HILITE_SIZE;
 148     popup.a_icon->texture[1].data.rgba.height = HILITE_SIZE;
 149     popup.a_icon->texture[1].data.rgba.alpha = 0xff;
 150     p = g_new(RrPixel32, HILITE_SIZE * HILITE_SIZE);
 151     popup.a_icon->texture[1].data.rgba.data = p;
 152
 153     /* create the hilite under the target icon */
 154     {
 155         RrPixel32 color;
 156         gint x, y, o;
 157
 158         color = ((ob_rr_theme->osd_color->r & 0xff) << RrDefaultRedOffset) +
 159             ((ob_rr_theme->osd_color->g & 0xff) << RrDefaultGreenOffset) +
 160             ((ob_rr_theme->osd_color->b & 0xff) << RrDefaultBlueOffset);
 161
 162         o = 0;
 163         for (x = 0; x < HILITE_SIZE; x++)
 164             for (y = 0; y < HILITE_SIZE; y++) {
 165                 guchar a;
 166
 167                 if (x < HILITE_WIDTH ||
 168                     x >= HILITE_SIZE - HILITE_WIDTH ||
 169                     y < HILITE_WIDTH ||
 170                     y >= HILITE_SIZE - HILITE_WIDTH)
 171                 {
 172                     /* the border of the target */
 173                     a = 0x88;
 174                 }
 175                 else {
 176                     /* the background of the target */
 177                     a = 0x22;
 178                 }
 179
 180                 p[o++] = color + (a << RrDefaultAlphaOffset);
 181             }
 182     }
 183
 184     stacking_add(INTERNAL_AS_WINDOW(&popup));
 185     window_add(&popup.bg, INTERNAL_AS_WINDOW(&popup));
 186 }
 187
 188 void focus_cycle_popup_shutdown(gboolean reconfig)
 189 {
 190     icon_popup_free(single_popup);
 191
 192     window_remove(popup.bg);
 193     stacking_remove(INTERNAL_AS_WINDOW(&popup));
 194
 195     while(popup.targets) {
 196         ObFocusCyclePopupTarget *t = popup.targets->data;
 197
 198         g_free(t->text);
 199         XDestroyWindow(obt_display, t->iconwin);
 200         XDestroyWindow(obt_display, t->textwin);
 201
 202         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 203     }
 204
 205     g_free(popup.a_icon->texture[1].data.rgba.data);
 206     popup.a_icon->texture[1].data.rgba.data = NULL;
 207
 208     XDestroyWindow(obt_display, popup.icon_mode_text);
 209     XDestroyWindow(obt_display, popup.bg);
 210
 211     RrAppearanceFree(popup.a_icon);
 212     RrAppearanceFree(popup.a_hilite_text);
 213     RrAppearanceFree(popup.a_text);
 214     RrAppearanceFree(popup.a_bg);
 215 }
 216
 217 static void popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
 218                         gboolean iconic_windows, gboolean all_desktops,
 219                         gboolean dock_windows, gboolean desktop_windows)
 220 {
 221     gint maxwidth, n;
 222     GList *it;
 223
 224     g_assert(p->targets == NULL);
 225     g_assert(p->n_targets == 0);
 226
 227     /* make its width to be the width of all the possible titles */
 228
 229     /* build a list of all the valid focus targets and measure their strings,
 230        and count them */
 231     maxwidth = 0;
 232     n = 0;
 233     for (it = g_list_last(focus_order); it; it = g_list_previous(it)) {
 234         ObClient *ft = it->data;
 235
 236         if (focus_valid_target(ft, TRUE,
 237                                iconic_windows,
 238                                all_desktops,
 239                                dock_windows,
 240                                desktop_windows))
 241         {
 242             gchar *text = popup_get_name(ft);
 243
 244             /* measure */
 245             p->a_text->texture[0].data.text.string = text;
 246             maxwidth = MAX(maxwidth, RrMinWidth(p->a_text));
 247
 248             if (!create_targets)
 249                 g_free(text);
 250             else {
 251                 ObFocusCyclePopupTarget *t = g_new(ObFocusCyclePopupTarget, 1);
 252
 253                 t->client = ft;
 254                 t->text = text;
 255                 t->iconwin = create_window(p->bg, 0, 0, NULL);
 256                 t->textwin = create_window(p->bg, 0, 0, NULL);
 257
 258                 XMapWindow(obt_display, t->iconwin);
 259                 XMapWindow(obt_display, t->textwin);
 260
 261                 p->targets = g_list_prepend(p->targets, t);
 262                 ++n;
 263             }
 264         }
 265     }
 266
 267     p->n_targets = n;
 268     p->maxtextw = maxwidth;
 269 }
 270
 271 static gchar *popup_get_name(ObClient *c)
 272 {
 273     ObClient *p;
 274     gchar *title;
 275     const gchar *desk = NULL;
 276     gchar *ret;
 277
 278     /* find our highest direct parent */
 279     p = client_search_top_direct_parent(c);
 280
 281     if (c->desktop != DESKTOP_ALL && c->desktop != screen_desktop)
 282         desk = screen_desktop_names[c->desktop];
 283
 284     title = c->iconic ? c->icon_title : c->title;
 285
 286     /* use the transient's parent's title/icon if we don't have one */
 287     if (p != c && title[0] == '\0')
 288         title = p->iconic ? p->icon_title : p->title;
 289
 290     if (desk)
 291         ret = g_strdup_printf("%s [%s]", title, desk);
 292     else
 293         ret = g_strdup(title);
 294
 295     return ret;
 296 }
 297
 298 static void popup_render(ObFocusCyclePopup *p, const ObClient *c,
 299                          ObFocusCyclePopupMode mode)
 300 {
 301     gint ml, mt, mr, mb;
 302     gint l, t, r, b;
 303     gint x, y, w, h;
 304     Rect *screen_area = NULL;
 305     gint rgbax, rgbay, rgbaw, rgbah;
 306     gint i;
 307     GList *it;
 308     const ObFocusCyclePopupTarget *newtarget;
 309     gint icons_per_row;
 310     gint icon_rows;
 311     gint textw, texth;
 312
 313     /* vars for icon mode */
 314     gint icon_mode_textx;
 315     gint icon_mode_texty;
 316     gint icons_center_x;
 317
 318     /* vars for list mode */
 319     gint list_mode_icon_column_w = HILITE_SIZE + OUTSIDE_BORDER;
 320
 321     g_assert(mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ||
 322              mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST);
 323
 324     screen_area = screen_physical_area_active();
 325
 326     /* get the outside margins */
 327     RrMargins(p->a_bg, &ml, &mt, &mr, &mb);
 328
 329     /* get our outside borders */
 330     l = ml + OUTSIDE_BORDER;
 331     r = mr + OUTSIDE_BORDER;
 332     t = mt + OUTSIDE_BORDER;
 333     b = mb + OUTSIDE_BORDER;
 334
 335     /* get the width from the text and keep it within limits */
 336     w = l + r + p->maxtextw;
 337     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 338         /* when in list mode, there are icons down the side */
 339         w += list_mode_icon_column_w;
 340     w = MIN(w, MAX(screen_area->width/3, POPUP_WIDTH)); /* max width */
 341     w = MAX(w, POPUP_WIDTH); /* min width */
 342
 343     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 344         /* how many icons will fit in that row? make the width fit that */
 345         w -= l + r;
 346         icons_per_row = (w + ICON_SIZE - 1) / ICON_SIZE;
 347         w = icons_per_row * ICON_SIZE + l + r;
 348
 349         /* how many rows do we need? */
 350         icon_rows = (p->n_targets-1) / icons_per_row + 1;
 351
 352     }
 353     else {
 354         /* in list mode, there is one column of icons.. */
 355         icons_per_row = 1;
 356         icon_rows = p->n_targets;
 357     }
 358
 359     /* get the text dimensions */
 360     textw = w - l - r;
 361     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 362         /* leave space on the side for the icons */
 363         textw -= list_mode_icon_column_w;
 364     texth = RrMinHeight(p->a_text) + TEXT_BORDER * 2;
 365
 366     /* find the height of the dialog */
 367 #warning limit the height and scroll entries somehow
 368     h = t + b + (icon_rows * MAX(HILITE_SIZE, texth));
 369     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS)
 370         /* in icon mode the text sits below the icons, so make some space */
 371         h += OUTSIDE_BORDER + texth;
 372
 373     /* center the icons if there is less than one row */
 374     if (icon_rows == 1)
 375         icons_center_x = (w - p->n_targets * ICON_SIZE) / 2;
 376     else
 377         icons_center_x = 0;
 378
 379     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS) {
 380         /* get the position of the text */
 381         icon_mode_textx = l;
 382         icon_mode_texty = h - texth - b;
 383     }
 384
 385     /* find the position for the popup (include the outer borders) */
 386     x = screen_area->x + (screen_area->width -
 387                           (w + ob_rr_theme->obwidth * 2)) / 2;
 388     y = screen_area->y + (screen_area->height -
 389                           (h + ob_rr_theme->obwidth * 2)) / 2;
 390
 391     /* get the dimensions of the target hilite texture */
 392     rgbax = ml;
 393     rgbay = mt;
 394     rgbaw = w - ml - mr;
 395     rgbah = h - mt - mb;
 396
 397     if (!p->mapped) {
 398         /* position the background but don't draw it */
 399         XMoveResizeWindow(obt_display, p->bg, x, y, w, h);
 400
 401         if (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS)
 402             /* position the text */
 403             XMoveResizeWindow(obt_display, p->icon_mode_text,
 404                               icon_mode_textx, icon_mode_texty, textw, texth);
 405     }
 406
 407     /* find the focused target */
 408     newtarget = NULL;
 409     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 410         const ObFocusCyclePopupTarget *target = it->data;
 411         if (target->client == c) {
 412             /* save the target */
 413             newtarget = target;
 414             break;
 415         }
 416     }
 417
 418     g_assert(newtarget != NULL);
 419
 420     /* * * draw everything * * */
 421
 422     /* draw the background */
 423     if (!p->mapped)
 424         RrPaint(p->a_bg, p->bg, w, h);
 425
 426     /* draw the icons and text */
 427     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 428         const ObFocusCyclePopupTarget *target = it->data;
 429
 430         /* have to redraw the targetted icon and last targetted icon
 431          * to update the hilite */
 432         if (!p->mapped || newtarget == target || p->last_target == target) {
 433             const gint row = i / icons_per_row; /* starting from 0 */
 434             const gint col = i % icons_per_row; /* starting from 0 */
 435             const ObClientIcon *icon;
 436             gint iconx, icony;
 437             gint list_mode_textx, list_mode_texty;
 438             RrAppearance *text;
 439
 440             /* find the coordinates for the icon */
 441             iconx = icons_center_x + l + (col * HILITE_SIZE);
 442             icony = t + (row * MAX(texth, HILITE_SIZE))
 443                 + MAX(texth - HILITE_SIZE, 0) / 2;
 444
 445             /* find the dimensions of the text box */
 446             list_mode_textx = iconx + HILITE_SIZE + TEXT_BORDER;
 447             list_mode_texty = icony + HILITE_OFFSET;
 448 //            textw = w
 449 //                    /* left edge */  - innerx - HILITE_SIZE - TEXT_BORDER
 450 //                    /* right edge */ - OUTSIDE_BORDER - TEXT_BORDER;
 451
 452             /* position the icon */
 453             XMoveResizeWindow(obt_display, target->iconwin,
 454                               iconx, icony, HILITE_SIZE, HILITE_SIZE);
 455
 456             /* position the text */
 457             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST)
 458                 XMoveResizeWindow(obt_display, target->textwin,
 459                                   list_mode_textx, list_mode_texty,
 460                                   textw, texth);
 461
 462             /* get the icon from the client */
 463             icon = client_icon(target->client, ICON_SIZE, ICON_SIZE);
 464             p->a_icon->texture[0].data.rgba.width = icon->width;
 465             p->a_icon->texture[0].data.rgba.height = icon->height;
 466             p->a_icon->texture[0].data.rgba.twidth = ICON_SIZE;
 467             p->a_icon->texture[0].data.rgba.theight = ICON_SIZE;
 468             p->a_icon->texture[0].data.rgba.tx = HILITE_OFFSET;
 469             p->a_icon->texture[0].data.rgba.ty = HILITE_OFFSET;
 470             p->a_icon->texture[0].data.rgba.alpha =
 471                 target->client->iconic ? OB_ICONIC_ALPHA : 0xff;
 472             p->a_icon->texture[0].data.rgba.data = icon->data;
 473
 474             /* Draw the hilite? */
 475             p->a_icon->texture[1].type = (target == newtarget) ?
 476                                          RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
 477
 478             /* draw the icon */
 479             p->a_icon->surface.parentx = iconx;
 480             p->a_icon->surface.parenty = icony;
 481             RrPaint(p->a_icon, target->iconwin, HILITE_SIZE, HILITE_SIZE);
 482
 483             /* draw the text */
 484             if (mode == OB_FOCUS_CYCLE_POPUP_MODE_LIST || target == newtarget)
 485             {
 486                 text = (target == newtarget) ? p->a_hilite_text : p->a_text;
 487                 text->texture[0].data.text.string = target->text;
 488                 text->surface.parentx =
 489                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 490                     icon_mode_textx : list_mode_textx;
 491                 text->surface.parenty =
 492                     mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 493                     icon_mode_texty : list_mode_texty;
 494                 RrPaint(text,
 495                         (mode == OB_FOCUS_CYCLE_POPUP_MODE_ICONS ?
 496                          p->icon_mode_text : target->textwin),
 497                         textw, texth);
 498             }
 499         }
 500     }
 501
 502     p->last_target = newtarget;
 503
 504     g_free(screen_area);
 505 }
 506
 507 void focus_cycle_popup_show(ObClient *c, gboolean iconic_windows,
 508                             gboolean all_desktops, gboolean dock_windows,
 509                             gboolean desktop_windows,
 510                             ObFocusCyclePopupMode mode)
 511 {
 512     g_assert(c != NULL);
 513
 514     if (mode == OB_FOCUS_CYCLE_POPUP_MODE_NONE) {
 515         focus_cycle_popup_hide();
 516         return;
 517     }
 518
 519     /* do this stuff only when the dialog is first showing */
 520     if (!popup.mapped)
 521         popup_setup(&popup, TRUE, iconic_windows, all_desktops,
 522                     dock_windows, desktop_windows);
 523     g_assert(popup.targets != NULL);
 524
 525     popup_render(&popup, c, mode);
 526
 527     if (!popup.mapped) {
 528         /* show the dialog */
 529         XMapWindow(obt_display, popup.bg);
 530         XFlush(obt_display);
 531         popup.mapped = TRUE;
 532         screen_hide_desktop_popup();
 533     }
 534 }
 535
 536 void focus_cycle_popup_hide(void)
 537 {
 538     gulong ignore_start;
 539
 540     ignore_start = event_start_ignore_all_enters();
 541
 542     XUnmapWindow(obt_display, popup.bg);
 543     XFlush(obt_display);
 544
 545     event_end_ignore_all_enters(ignore_start);
 546
 547     popup.mapped = FALSE;
 548
 549     while(popup.targets) {
 550         ObFocusCyclePopupTarget *t = popup.targets->data;
 551
 552         g_free(t->text);
 553         XDestroyWindow(obt_display, t->iconwin);
 554         XDestroyWindow(obt_display, t->textwin);
 555         g_free(t);
 556
 557         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 558     }
 559     popup.n_targets = 0;
 560     popup.last_target = NULL;
 561 }
 562
 563 void focus_cycle_popup_single_show(struct _ObClient *c,
 564                                    gboolean iconic_windows,
 565                                    gboolean all_desktops,
 566                                    gboolean dock_windows,
 567                                    gboolean desktop_windows)
 568 {
 569     gchar *text;
 570
 571     g_assert(c != NULL);
 572
 573     /* do this stuff only when the dialog is first showing */
 574     if (!popup.mapped) {
 575         Rect *a;
 576
 577         popup_setup(&popup, FALSE, iconic_windows, all_desktops,
 578                     dock_windows, desktop_windows);
 579         g_assert(popup.targets == NULL);
 580
 581         /* position the popup */
 582         a = screen_physical_area_active();
 583         icon_popup_position(single_popup, CenterGravity,
 584                             a->x + a->width / 2, a->y + a->height / 2);
 585         icon_popup_height(single_popup, POPUP_HEIGHT);
 586         icon_popup_min_width(single_popup, POPUP_WIDTH);
 587         icon_popup_max_width(single_popup, MAX(a->width/3, POPUP_WIDTH));
 588         icon_popup_text_width(single_popup, popup.maxtextw);
 589         g_free(a);
 590     }
 591
 592     text = popup_get_name(c);
 593     icon_popup_show(single_popup, text, client_icon(c, HILITE_SIZE,
 594                                                     HILITE_SIZE));
 595     g_free(text);
 596     screen_hide_desktop_popup();
 597 }
 598
 599 void focus_cycle_popup_single_hide(void)
 600 {
 601     icon_popup_hide(single_popup);
 602 }