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 #define ICON_SIZE 40
  34 #define ICON_HILITE_WIDTH 2
  35 #define ICON_HILITE_MARGIN 1
  36 #define OUTSIDE_BORDER 3
  37 #define TEXT_BORDER 2
  38
  39 typedef struct _ObFocusCyclePopup       ObFocusCyclePopup;
  40 typedef struct _ObFocusCyclePopupTarget ObFocusCyclePopupTarget;
  41
  42 struct _ObFocusCyclePopupTarget
  43 {
  44     ObClient *client;
  45     gchar *text;
  46     Window iconwin;
  47     Window textwin;
  48 };
  49
  50 struct _ObFocusCyclePopup
  51 {
  52     ObWindow obwin;
  53     Window bg;
  54
  55     GList *targets;
  56     gint n_targets;
  57
  58     const ObFocusCyclePopupTarget *last_target;
  59
  60     gint maxtextw;
  61
  62     RrAppearance *a_bg;
  63     RrAppearance *a_text;
  64     RrAppearance *a_icon;
  65
  66     RrPixel32 *hilite_rgba;
  67
  68     gboolean mapped;
  69 };
  70
  71 /*! This popup shows all possible windows */
  72 static ObFocusCyclePopup popup;
  73 /*! This popup shows a single window */
  74 static ObIconPopup *single_popup;
  75
  76 static gchar *popup_get_name (ObClient *c);
  77 static void   popup_setup    (ObFocusCyclePopup *p,
  78                               gboolean create_targets,
  79                               gboolean iconic_windows,
  80                               gboolean all_desktops,
  81                               gboolean dock_windows,
  82                               gboolean desktop_windows);
  83 static void   popup_render   (ObFocusCyclePopup *p,
  84                               const ObClient *c);
  85
  86 static Window create_window(Window parent, guint bwidth, gulong mask,
  87                             XSetWindowAttributes *attr)
  88 {
  89     return XCreateWindow(obt_display, parent, 0, 0, 1, 1, bwidth,
  90                          RrDepth(ob_rr_inst), InputOutput,
  91                          RrVisual(ob_rr_inst), mask, attr);
  92 }
  93
  94 void focus_cycle_popup_startup(gboolean reconfig)
  95 {
  96     XSetWindowAttributes attrib;
  97
  98     single_popup = icon_popup_new();
  99
 100     popup.obwin.type = OB_WINDOW_CLASS_INTERNAL;
 101     popup.a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
 102     popup.a_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
 103     popup.a_icon = RrAppearanceCopy(ob_rr_theme->a_clear);
 104
 105     popup.a_text->surface.parent = popup.a_bg;
 106     popup.a_icon->surface.parent = popup.a_bg;
 107
 108     RrAppearanceAddTextures(popup.a_icon, 2);
 109
 110     popup.a_icon->texture[0].type = RR_TEXTURE_RGBA;
 111
 112     attrib.override_redirect = True;
 113     attrib.border_pixel=RrColorPixel(ob_rr_theme->osd_border_color);
 114     popup.bg = create_window(obt_root(ob_screen), ob_rr_theme->obwidth,
 115                              CWOverrideRedirect | CWBorderPixel, &attrib);
 116
 117     popup.targets = NULL;
 118     popup.n_targets = 0;
 119     popup.last_target = NULL;
 120
 121     /* set up the hilite texture for the icon */
 122     popup.a_icon->texture[1].data.rgba.width = ICON_SIZE;
 123     popup.a_icon->texture[1].data.rgba.height = ICON_SIZE;
 124     popup.a_icon->texture[1].data.rgba.alpha = 0xff;
 125     popup.hilite_rgba = g_new(RrPixel32, ICON_SIZE * ICON_SIZE);
 126     popup.a_icon->texture[1].data.rgba.data = popup.hilite_rgba;
 127
 128     /* create the hilite under the target icon */
 129     {
 130         RrPixel32 color;
 131         gint x, y, o;
 132
 133         color = ((ob_rr_theme->osd_color->r & 0xff) << RrDefaultRedOffset) +
 134             ((ob_rr_theme->osd_color->g & 0xff) << RrDefaultGreenOffset) +
 135             ((ob_rr_theme->osd_color->b & 0xff) << RrDefaultBlueOffset);
 136
 137         o = 0;
 138         for (x = 0; x < ICON_SIZE; x++)
 139             for (y = 0; y < ICON_SIZE; y++) {
 140                 guchar a;
 141
 142                 if (x < ICON_HILITE_WIDTH ||
 143                     x >= ICON_SIZE - ICON_HILITE_WIDTH ||
 144                     y < ICON_HILITE_WIDTH ||
 145                     y >= ICON_SIZE - ICON_HILITE_WIDTH)
 146                 {
 147                     /* the border of the target */
 148                     a = 0x88;
 149                 }
 150                 else {
 151                     /* the background of the target */
 152                     a = 0x22;
 153                 }
 154
 155                 popup.hilite_rgba[o++] =
 156                     color + (a << RrDefaultAlphaOffset);
 157             }
 158     }
 159
 160
 161     stacking_add(INTERNAL_AS_WINDOW(&popup));
 162     window_add(&popup.bg, INTERNAL_AS_WINDOW(&popup));
 163 }
 164
 165 void focus_cycle_popup_shutdown(gboolean reconfig)
 166 {
 167     icon_popup_free(single_popup);
 168
 169     window_remove(popup.bg);
 170     stacking_remove(INTERNAL_AS_WINDOW(&popup));
 171
 172     while(popup.targets) {
 173         ObFocusCyclePopupTarget *t = popup.targets->data;
 174
 175         g_free(t->text);
 176         XDestroyWindow(obt_display, t->iconwin);
 177         XDestroyWindow(obt_display, t->textwin);
 178
 179         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 180     }
 181
 182     g_free(popup.hilite_rgba);
 183     popup.hilite_rgba = NULL;
 184
 185     XDestroyWindow(obt_display, popup.bg);
 186
 187     RrAppearanceFree(popup.a_icon);
 188     RrAppearanceFree(popup.a_text);
 189     RrAppearanceFree(popup.a_bg);
 190 }
 191
 192 static void popup_setup(ObFocusCyclePopup *p, gboolean create_targets,
 193                         gboolean iconic_windows, gboolean all_desktops,
 194                         gboolean dock_windows, gboolean desktop_windows)
 195 {
 196     gint maxwidth, n;
 197     GList *it;
 198
 199     g_assert(p->targets == NULL);
 200     g_assert(p->n_targets == 0);
 201
 202     /* make its width to be the width of all the possible titles */
 203
 204     /* build a list of all the valid focus targets and measure their strings,
 205        and count them */
 206     maxwidth = 0;
 207     n = 0;
 208     for (it = g_list_last(focus_order); it; it = g_list_previous(it)) {
 209         ObClient *ft = it->data;
 210
 211         if (focus_valid_target(ft, TRUE,
 212                                iconic_windows,
 213                                all_desktops,
 214                                dock_windows,
 215                                desktop_windows))
 216         {
 217             gchar *text = popup_get_name(ft);
 218
 219             /* measure */
 220             p->a_text->texture[0].data.text.string = text;
 221             maxwidth = MAX(maxwidth, RrMinWidth(p->a_text));
 222
 223             if (!create_targets)
 224                 g_free(text);
 225             else {
 226                 ObFocusCyclePopupTarget *t = g_new(ObFocusCyclePopupTarget, 1);
 227
 228                 t->client = ft;
 229                 t->text = text;
 230                 t->iconwin = create_window(p->bg, 0, 0, NULL);
 231                 t->textwin = create_window(p->bg, 0, 0, NULL);
 232
 233                 XMapWindow(obt_display, t->iconwin);
 234                 XMapWindow(obt_display, t->textwin);
 235
 236                 p->targets = g_list_prepend(p->targets, t);
 237                 ++n;
 238             }
 239         }
 240     }
 241
 242     p->n_targets = n;
 243     p->maxtextw = maxwidth;
 244 }
 245
 246 static gchar *popup_get_name(ObClient *c)
 247 {
 248     ObClient *p;
 249     gchar *title;
 250     const gchar *desk = NULL;
 251     gchar *ret;
 252
 253     /* find our highest direct parent */
 254     p = client_search_top_direct_parent(c);
 255
 256     if (c->desktop != DESKTOP_ALL && c->desktop != screen_desktop)
 257         desk = screen_desktop_names[c->desktop];
 258
 259     title = c->iconic ? c->icon_title : c->title;
 260
 261     /* use the transient's parent's title/icon if we don't have one */
 262     if (p != c && title[0] == '\0')
 263         title = p->iconic ? p->icon_title : p->title;
 264
 265     if (desk)
 266         ret = g_strdup_printf("%s [%s]", title, desk);
 267     else
 268         ret = g_strdup(title);
 269
 270     return ret;
 271 }
 272
 273 static void popup_render(ObFocusCyclePopup *p, const ObClient *c)
 274 {
 275     gint ml, mt, mr, mb;
 276     gint l, t, r, b;
 277     gint x, y, w, h;
 278     Rect *screen_area = NULL;
 279     gint rgbax, rgbay, rgbaw, rgbah;
 280     gint innerw, innerh;
 281     gint i;
 282     GList *it;
 283     const ObFocusCyclePopupTarget *newtarget;
 284     gint newtargetx, newtargety;
 285
 286     screen_area = screen_physical_area_active();
 287
 288     /* get the outside margins */
 289     RrMargins(p->a_bg, &ml, &mt, &mr, &mb);
 290
 291     /* get our outside borders */
 292     l = ml + OUTSIDE_BORDER;
 293     r = mr + OUTSIDE_BORDER;
 294     t = mt + OUTSIDE_BORDER;
 295     b = mb + OUTSIDE_BORDER;
 296
 297     /* get the icon pictures' sizes */
 298     innerw = ICON_SIZE - (ICON_HILITE_WIDTH + ICON_HILITE_MARGIN) * 2;
 299     innerh = ICON_SIZE - (ICON_HILITE_WIDTH + ICON_HILITE_MARGIN) * 2;
 300
 301     /* get the width from the text and keep it within limits */
 302     w = l + r + p->maxtextw;
 303     w = MIN(w, MAX(screen_area->width/3, POPUP_WIDTH)); /* max width */
 304     w = MAX(w, POPUP_WIDTH); /* min width */
 305
 306     /* find the height of the dialog */
 307 #warning limit the height and scroll entries somehow
 308     h = t + b + (p->n_targets * ICON_SIZE) + OUTSIDE_BORDER;
 309
 310     /* find the position for the popup (include the outer borders) */
 311     x = screen_area->x + (screen_area->width -
 312                           (w + ob_rr_theme->obwidth * 2)) / 2;
 313     y = screen_area->y + (screen_area->height -
 314                           (h + ob_rr_theme->obwidth * 2)) / 2;
 315
 316     /* get the dimensions of the target hilite texture */
 317     rgbax = ml;
 318     rgbay = mt;
 319     rgbaw = w - ml - mr;
 320     rgbah = h - mt - mb;
 321
 322     if (!p->mapped) {
 323         /* position the background but don't draw it*/
 324         XMoveResizeWindow(obt_display, p->bg, x, y, w, h);
 325     }
 326
 327     /* find the focused target */
 328     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 329         const ObFocusCyclePopupTarget *target = it->data;
 330
 331         if (target->client == c) {
 332             /* save the target */
 333             newtarget = target;
 334             newtargetx = l;
 335             newtargety = t + i * ICON_SIZE;
 336
 337             if (!p->mapped)
 338                 break; /* if we're not dimensioning, then we're done */
 339         }
 340     }
 341
 342     g_assert(newtarget != NULL);
 343
 344     /* * * draw everything * * */
 345
 346     /* draw the background */
 347     if (!p->mapped)
 348         RrPaint(p->a_bg, p->bg, w, h);
 349
 350     /* draw the icons and text */
 351     for (i = 0, it = p->targets; it; ++i, it = g_list_next(it)) {
 352         const ObFocusCyclePopupTarget *target = it->data;
 353
 354         /* have to redraw the targetted icon and last targetted icon,
 355            they can pick up the hilite changes in the backgroud */
 356         if (!p->mapped || newtarget == target || p->last_target == target) {
 357             const ObClientIcon *icon;
 358             gint innerx, innery;
 359
 360             /* find the dimensions of the icon inside it */
 361             innerx = l;
 362             innerx += ICON_HILITE_WIDTH + ICON_HILITE_MARGIN;
 363             innery = t + i * ICON_SIZE;
 364             innery += ICON_HILITE_WIDTH + ICON_HILITE_MARGIN;
 365
 366             /* move the icon */
 367             XMoveResizeWindow(obt_display, target->iconwin,
 368                               innerx, innery, innerw, innerh);
 369
 370             /* move the text */
 371             XMoveResizeWindow(obt_display, target->textwin,
 372                               innerx + ICON_SIZE, innery,
 373                               w - innerx - ICON_SIZE - OUTSIDE_BORDER, innerh);
 374
 375             /* get the icon from the client */
 376             icon = client_icon(target->client, innerw, innerh);
 377             p->a_icon->texture[0].data.rgba.width = icon->width;
 378             p->a_icon->texture[0].data.rgba.height = icon->height;
 379             p->a_icon->texture[0].data.rgba.alpha =
 380                 target->client->iconic ? OB_ICONIC_ALPHA : 0xff;
 381             p->a_icon->texture[0].data.rgba.data = icon->data;
 382
 383             /* Draw the hilite? */
 384 #warning do i have to add more obrender interface thingers to get it to draw the icon inside the hilight? sigh
 385             p->a_icon->texture[1].type = (target == newtarget) ?
 386                                          RR_TEXTURE_RGBA : RR_TEXTURE_NONE;
 387
 388             /* draw the icon */
 389             p->a_icon->surface.parentx = innerx;
 390             p->a_icon->surface.parenty = innery;
 391             RrPaint(p->a_icon, target->iconwin, innerw, innerh);
 392
 393             /* draw the text */
 394             p->a_text->texture[0].data.text.string = target->text;
 395             p->a_text->surface.parentx = innerx + ICON_SIZE;
 396             p->a_text->surface.parenty = innery;
 397             RrPaint(p->a_text, target->textwin, w - innerx - ICON_SIZE - OUTSIDE_BORDER, innerh);
 398         }
 399     }
 400
 401     p->last_target = newtarget;
 402
 403     g_free(screen_area);
 404 }
 405
 406 void focus_cycle_popup_show(ObClient *c, gboolean iconic_windows,
 407                             gboolean all_desktops, gboolean dock_windows,
 408                             gboolean desktop_windows)
 409 {
 410     g_assert(c != NULL);
 411
 412     /* do this stuff only when the dialog is first showing */
 413     if (!popup.mapped)
 414         popup_setup(&popup, TRUE, iconic_windows, all_desktops,
 415                     dock_windows, desktop_windows);
 416     g_assert(popup.targets != NULL);
 417
 418     popup_render(&popup, c);
 419
 420     if (!popup.mapped) {
 421         /* show the dialog */
 422         XMapWindow(obt_display, popup.bg);
 423         XFlush(obt_display);
 424         popup.mapped = TRUE;
 425         screen_hide_desktop_popup();
 426     }
 427 }
 428
 429 void focus_cycle_popup_hide(void)
 430 {
 431     gulong ignore_start;
 432
 433     ignore_start = event_start_ignore_all_enters();
 434
 435     XUnmapWindow(obt_display, popup.bg);
 436     XFlush(obt_display);
 437
 438     event_end_ignore_all_enters(ignore_start);
 439
 440     popup.mapped = FALSE;
 441
 442     while(popup.targets) {
 443         ObFocusCyclePopupTarget *t = popup.targets->data;
 444
 445         g_free(t->text);
 446         XDestroyWindow(obt_display, t->iconwin);
 447         XDestroyWindow(obt_display, t->textwin);
 448         g_free(t);
 449
 450         popup.targets = g_list_delete_link(popup.targets, popup.targets);
 451     }
 452     popup.n_targets = 0;
 453     popup.last_target = NULL;
 454 }
 455
 456 void focus_cycle_popup_single_show(struct _ObClient *c,
 457                                    gboolean iconic_windows,
 458                                    gboolean all_desktops,
 459                                    gboolean dock_windows,
 460                                    gboolean desktop_windows)
 461 {
 462     gchar *text;
 463
 464     g_assert(c != NULL);
 465
 466     /* do this stuff only when the dialog is first showing */
 467     if (!popup.mapped) {
 468         Rect *a;
 469
 470         popup_setup(&popup, FALSE, iconic_windows, all_desktops,
 471                     dock_windows, desktop_windows);
 472         g_assert(popup.targets == NULL);
 473
 474         /* position the popup */
 475         a = screen_physical_area_active();
 476         icon_popup_position(single_popup, CenterGravity,
 477                             a->x + a->width / 2, a->y + a->height / 2);
 478         icon_popup_height(single_popup, POPUP_HEIGHT);
 479         icon_popup_min_width(single_popup, POPUP_WIDTH);
 480         icon_popup_max_width(single_popup, MAX(a->width/3, POPUP_WIDTH));
 481         icon_popup_text_width(single_popup, popup.maxtextw);
 482         g_free(a);
 483     }
 484
 485     text = popup_get_name(c);
 486     icon_popup_show(single_popup, text, client_icon(c, ICON_SIZE, ICON_SIZE));
 487     g_free(text);
 488     screen_hide_desktop_popup();
 489 }
 490
 491 void focus_cycle_popup_single_hide(void)
 492 {
 493     icon_popup_hide(single_popup);
 494 }