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