openbox/popup.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    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 "popup.h"
  21
  22 #include "openbox.h"
  23 #include "frame.h"
  24 #include "client.h"
  25 #include "stacking.h"
  26 #include "event.h"
  27 #include "screen.h"
  28 #include "mainloop.h"
  29 #include "render/render.h"
  30 #include "render/theme.h"
  31
  32 static gboolean popup_show_timeout(gpointer data)
  33 {
  34     ObPopup *self = data;
  35
  36     XMapWindow(ob_display, self->bg);
  37     stacking_raise(INTERNAL_AS_WINDOW(self));
  38     self->mapped = TRUE;
  39     self->delay_mapped = FALSE;
  40
  41     return FALSE; /* don't repeat */
  42 }
  43
  44 ObPopup *popup_new(gboolean hasicon)
  45 {
  46     XSetWindowAttributes attrib;
  47     ObPopup *self = g_new0(ObPopup, 1);
  48
  49     self->obwin.type = Window_Internal;
  50     self->hasicon = hasicon;
  51     self->gravity = NorthWestGravity;
  52     self->x = self->y = self->w = self->h = 0;
  53     self->a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
  54     self->a_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
  55
  56     attrib.override_redirect = True;
  57     self->bg = XCreateWindow(ob_display, RootWindow(ob_display, ob_screen),
  58                              0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
  59                              InputOutput, RrVisual(ob_rr_inst),
  60                              CWOverrideRedirect, &attrib);
  61
  62     self->text = XCreateWindow(ob_display, self->bg,
  63                                0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
  64                                InputOutput, RrVisual(ob_rr_inst), 0, NULL);
  65
  66     XMapWindow(ob_display, self->text);
  67
  68     stacking_add(INTERNAL_AS_WINDOW(self));
  69     return self;
  70 }
  71
  72 void popup_free(ObPopup *self)
  73 {
  74     if (self) {
  75         XDestroyWindow(ob_display, self->bg);
  76         XDestroyWindow(ob_display, self->text);
  77         RrAppearanceFree(self->a_bg);
  78         RrAppearanceFree(self->a_text);
  79         stacking_remove(self);
  80         g_free(self);
  81     }
  82 }
  83
  84 void popup_position(ObPopup *self, gint gravity, gint x, gint y)
  85 {
  86     self->gravity = gravity;
  87     self->x = x;
  88     self->y = y;
  89 }
  90
  91 void popup_width(ObPopup *self, gint w)
  92 {
  93     self->w = w;
  94     self->maxw = w;
  95 }
  96
  97 void popup_height(ObPopup *self, gint h)
  98 {
  99     gint texth;
 100
 101     /* don't let the height be smaller than the text */
 102     texth = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
 103     self->h = MAX(h, texth);
 104 }
 105
 106 void popup_width_to_string(ObPopup *self, gchar *text, gint max)
 107 {
 108     self->a_text->texture[0].data.text.string = text;
 109     self->w = RrMinWidth(self->a_text);
 110     self->maxw = max;
 111 }
 112
 113 void popup_height_to_string(ObPopup *self, gchar *text)
 114 {
 115     self->h = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
 116 }
 117
 118 void popup_width_to_strings(ObPopup *self, gchar **strings, gint num, gint max)
 119 {
 120     gint i, maxw;
 121
 122     maxw = 0;
 123     for (i = 0; i < num; ++i) {
 124         popup_width_to_string(self, strings[i], max);
 125         maxw = MAX(maxw, self->w);
 126     }
 127     self->w = maxw;
 128 }
 129
 130 void popup_set_text_align(ObPopup *self, RrJustify align)
 131 {
 132     self->a_text->texture[0].data.text.justify = align;
 133 }
 134
 135 void popup_delay_show(ObPopup *self, gulong usec, gchar *text)
 136 {
 137     gint l, t, r, b;
 138     gint x, y, w, h;
 139     gint textw, texth;
 140     gint iconw;
 141     Rect *area; /* won't go outside this */
 142
 143     area = screen_physical_area();          /* XXX this should work quite
 144                                                good, someone with xinerama,
 145                                                and different resolutions on
 146                                                screens? */
 147
 148     RrMargins(self->a_bg, &l, &t, &r, &b);
 149
 150     XSetWindowBorderWidth(ob_display, self->bg, ob_rr_theme->fbwidth);
 151     XSetWindowBorder(ob_display, self->bg, ob_rr_theme->frame_b_color->pixel);
 152
 153     /* set up the textures */
 154     self->a_text->texture[0].data.text.string = text;
 155
 156     /* measure the text out */
 157     RrMinSize(self->a_text, &textw, &texth);
 158     texth += ob_rr_theme->paddingy * 2;
 159
 160     /* set the sizes up and reget the text sizes from the calculated
 161        outer sizes */
 162     if (self->h) {
 163         h = self->h;
 164         texth = h - (t+b + ob_rr_theme->paddingy * 2);
 165     } else
 166         h = t+b + texth + ob_rr_theme->paddingy * 2;
 167     iconw = (self->hasicon ? texth : 0);
 168     if (self->w)
 169         textw = self->w;
 170     w = l+r + textw + iconw + ob_rr_theme->paddingx *
 171         (self->hasicon ? 3 : 2);
 172     /* cap it at "maxw" */
 173     if (self->maxw)
 174         w = MIN(w, self->maxw);
 175
 176     /* sanity checks to avoid crashes! */
 177     if (w < 1) w = 1;
 178     if (h < 1) h = 1;
 179     if (textw < 1) textw = 1;
 180     if (texth < 1) texth = 1;
 181
 182     /* set up the x coord */
 183     x = self->x;
 184     switch (self->gravity) {
 185     case NorthGravity:
 186     case CenterGravity:
 187     case SouthGravity:
 188         x -= w / 2;
 189         break;
 190     case NorthEastGravity:
 191     case EastGravity:
 192     case SouthEastGravity:
 193         x -= w;
 194         break;
 195     }
 196
 197     /* set up the y coord */
 198     y = self->y;
 199     switch (self->gravity) {
 200     case WestGravity:
 201     case CenterGravity:
 202     case EastGravity:
 203         y -= h / 2;
 204         break;
 205     case SouthWestGravity:
 206     case SouthGravity:
 207     case SouthEastGravity:
 208         y -= h;
 209         break;
 210     }
 211
 212     x=MAX(MIN(x, area->width-w),0);
 213     y=MAX(MIN(y, area->height-h),0);
 214
 215     /* set the windows/appearances up */
 216     XMoveResizeWindow(ob_display, self->bg, x, y, w, h);
 217
 218     self->a_text->surface.parent = self->a_bg;
 219     self->a_text->surface.parentx = l + iconw +
 220         ob_rr_theme->paddingx * (self->hasicon ? 2 : 1);
 221     self->a_text->surface.parenty = t + ob_rr_theme->paddingy;
 222     XMoveResizeWindow(ob_display, self->text,
 223                       l + iconw + ob_rr_theme->paddingx *
 224                       (self->hasicon ? 2 : 1),
 225                       t + ob_rr_theme->paddingy, textw, texth);
 226
 227     RrPaint(self->a_bg, self->bg, w, h);
 228     RrPaint(self->a_text, self->text, textw, texth);
 229
 230     if (self->hasicon) {
 231         if (iconw < 1) iconw = 1; /* sanity check for crashes */
 232         if (self->draw_icon)
 233             self->draw_icon(l + ob_rr_theme->paddingx,
 234                             t + ob_rr_theme->paddingy,
 235                             iconw, texth, self->draw_icon_data);
 236     }
 237
 238     /* do the actual showing */
 239     if (!self->mapped) {
 240         if (usec) {
 241             /* don't kill previous show timers */
 242             if (!self->delay_mapped) {
 243                 ob_main_loop_timeout_add(ob_main_loop, usec,
 244                                          popup_show_timeout, self,
 245                                          g_direct_equal, NULL);
 246                 self->delay_mapped = TRUE;
 247             }
 248         } else {
 249             popup_show_timeout(self);
 250         }
 251     }
 252 }
 253
 254 void popup_hide(ObPopup *self)
 255 {
 256     if (self->mapped) {
 257         XUnmapWindow(ob_display, self->bg);
 258         self->mapped = FALSE;
 259
 260         /* kill enter events cause by this unmapping */
 261         event_ignore_queued_enters();
 262     } else if (self->delay_mapped) {
 263         ob_main_loop_timeout_remove(ob_main_loop, popup_show_timeout);
 264         self->delay_mapped = FALSE;
 265     }
 266 }
 267
 268 static void icon_popup_draw_icon(gint x, gint y, gint w, gint h, gpointer data)
 269 {
 270     ObIconPopup *self = data;
 271
 272     self->a_icon->surface.parent = self->popup->a_bg;
 273     self->a_icon->surface.parentx = x;
 274     self->a_icon->surface.parenty = y;
 275     XMoveResizeWindow(ob_display, self->icon, x, y, w, h);
 276     RrPaint(self->a_icon, self->icon, w, h);
 277 }
 278
 279 ObIconPopup *icon_popup_new()
 280 {
 281     ObIconPopup *self;
 282
 283     self = g_new0(ObIconPopup, 1);
 284     self->popup = popup_new(TRUE);
 285     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 286     self->icon = XCreateWindow(ob_display, self->popup->bg,
 287                                0, 0, 1, 1, 0,
 288                                RrDepth(ob_rr_inst), InputOutput,
 289                                RrVisual(ob_rr_inst), 0, NULL);
 290     XMapWindow(ob_display, self->icon);
 291
 292     self->popup->draw_icon = icon_popup_draw_icon;
 293     self->popup->draw_icon_data = self;
 294
 295     return self;
 296 }
 297
 298 void icon_popup_free(ObIconPopup *self)
 299 {
 300     if (self) {
 301         XDestroyWindow(ob_display, self->icon);
 302         RrAppearanceFree(self->a_icon);
 303         popup_free(self->popup);
 304         g_free(self);
 305     }
 306 }
 307
 308 void icon_popup_delay_show(ObIconPopup *self, gulong usec,
 309                            gchar *text, const ObClientIcon *icon)
 310 {
 311     if (icon) {
 312         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
 313         self->a_icon->texture[0].data.rgba.width = icon->width;
 314         self->a_icon->texture[0].data.rgba.height = icon->height;
 315         self->a_icon->texture[0].data.rgba.data = icon->data;
 316     } else
 317         self->a_icon->texture[0].type = RR_TEXTURE_NONE;
 318
 319     popup_delay_show(self->popup, usec, text);
 320 }
 321
 322 static void pager_popup_draw_icon(gint px, gint py, gint w, gint h,
 323                                   gpointer data)
 324 {
 325     ObPagerPopup *self = data;
 326     gint x, y;
 327     guint rown, n;
 328     guint horz_inc;
 329     guint vert_inc;
 330     guint r, c;
 331     gint eachw, eachh;
 332
 333     eachw = (w - ob_rr_theme->fbwidth -
 334              (screen_desktop_layout.columns * ob_rr_theme->fbwidth))
 335         / screen_desktop_layout.columns;
 336     eachh = (h - ob_rr_theme->fbwidth -
 337              (screen_desktop_layout.rows * ob_rr_theme->fbwidth))
 338         / screen_desktop_layout.rows;
 339     /* make them squares */
 340     eachw = eachh = MIN(eachw, eachh);
 341
 342     /* center */
 343     px += (w - (screen_desktop_layout.columns * (eachw + ob_rr_theme->fbwidth) +
 344                 ob_rr_theme->fbwidth)) / 2;
 345     py += (h - (screen_desktop_layout.rows * (eachh + ob_rr_theme->fbwidth) +
 346                 ob_rr_theme->fbwidth)) / 2;
 347
 348     if (eachw <= 0 || eachh <= 0)
 349         return;
 350
 351     switch (screen_desktop_layout.orientation) {
 352     case OB_ORIENTATION_HORZ:
 353         switch (screen_desktop_layout.start_corner) {
 354         case OB_CORNER_TOPLEFT:
 355             n = 0;
 356             horz_inc = 1;
 357             vert_inc = screen_desktop_layout.columns;
 358             break;
 359         case OB_CORNER_TOPRIGHT:
 360             n = screen_desktop_layout.columns - 1;
 361             horz_inc = -1;
 362             vert_inc = screen_desktop_layout.columns;
 363             break;
 364         case OB_CORNER_BOTTOMRIGHT:
 365             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 366             horz_inc = -1;
 367             vert_inc = -screen_desktop_layout.columns;
 368             break;
 369         case OB_CORNER_BOTTOMLEFT:
 370             n = (screen_desktop_layout.rows - 1)
 371                 * screen_desktop_layout.columns;
 372             horz_inc = 1;
 373             vert_inc = -screen_desktop_layout.columns;
 374             break;
 375         default:
 376             g_assert_not_reached();
 377         }
 378         break;
 379     case OB_ORIENTATION_VERT:
 380         switch (screen_desktop_layout.start_corner) {
 381         case OB_CORNER_TOPLEFT:
 382             n = 0;
 383             horz_inc = screen_desktop_layout.rows;
 384             vert_inc = 1;
 385             break;
 386         case OB_CORNER_TOPRIGHT:
 387             n = screen_desktop_layout.rows
 388                 * (screen_desktop_layout.columns - 1);
 389             horz_inc = -screen_desktop_layout.rows;
 390             vert_inc = 1;
 391             break;
 392         case OB_CORNER_BOTTOMRIGHT:
 393             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 394             horz_inc = -screen_desktop_layout.rows;
 395             vert_inc = -1;
 396             break;
 397         case OB_CORNER_BOTTOMLEFT:
 398             n = screen_desktop_layout.rows - 1;
 399             horz_inc = screen_desktop_layout.rows;
 400             vert_inc = -1;
 401             break;
 402         default:
 403             g_assert_not_reached();
 404         }
 405         break;
 406     default:
 407         g_assert_not_reached();
 408     }
 409
 410     rown = n;
 411     for (r = 0, y = 0; r < screen_desktop_layout.rows;
 412          ++r, y += eachh + ob_rr_theme->fbwidth)
 413     {
 414         for (c = 0, x = 0; c < screen_desktop_layout.columns;
 415              ++c, x += eachw + ob_rr_theme->fbwidth)
 416         {
 417             RrAppearance *a;
 418
 419             if (n < self->desks) {
 420                 a = (n == self->curdesk ? self->hilight : self->unhilight);
 421
 422                 a->surface.parent = self->popup->a_bg;
 423                 a->surface.parentx = x + px;
 424                 a->surface.parenty = y + py;
 425                 XMoveResizeWindow(ob_display, self->wins[n],
 426                                   x + px, y + py, eachw, eachh);
 427                 RrPaint(a, self->wins[n], eachw, eachh);
 428             }
 429             n += horz_inc;
 430         }
 431         n = rown += vert_inc;
 432     }
 433 }
 434
 435 ObPagerPopup *pager_popup_new()
 436 {
 437     ObPagerPopup *self;
 438
 439     self = g_new(ObPagerPopup, 1);
 440     self->popup = popup_new(TRUE);
 441
 442     self->desks = 0;
 443     self->wins = g_new(Window, self->desks);
 444     self->hilight = RrAppearanceCopy(ob_rr_theme->osd_hilite_fg);
 445     self->unhilight = RrAppearanceCopy(ob_rr_theme->osd_unhilite_fg);
 446
 447     self->popup->hasicon = TRUE;
 448     self->popup->draw_icon = pager_popup_draw_icon;
 449     self->popup->draw_icon_data = self;
 450
 451     return self;
 452 }
 453
 454 void pager_popup_free(ObPagerPopup *self)
 455 {
 456     if (self) {
 457         guint i;
 458
 459         for (i = 0; i < self->desks; ++i)
 460             XDestroyWindow(ob_display, self->wins[i]);
 461         g_free(self->wins);
 462         RrAppearanceFree(self->hilight);
 463         RrAppearanceFree(self->unhilight);
 464         popup_free(self->popup);
 465         g_free(self);
 466     }
 467 }
 468
 469 void pager_popup_delay_show(ObPagerPopup *self, gulong usec,
 470                             gchar *text, guint desk)
 471 {
 472     guint i;
 473
 474     if (screen_num_desktops < self->desks)
 475         for (i = screen_num_desktops; i < self->desks; ++i)
 476             XDestroyWindow(ob_display, self->wins[i]);
 477
 478     if (screen_num_desktops != self->desks)
 479         self->wins = g_renew(Window, self->wins, screen_num_desktops);
 480
 481     if (screen_num_desktops > self->desks)
 482         for (i = self->desks; i < screen_num_desktops; ++i) {
 483             XSetWindowAttributes attr;
 484
 485             attr.border_pixel = RrColorPixel(ob_rr_theme->frame_b_color);
 486             self->wins[i] = XCreateWindow(ob_display, self->popup->bg,
 487                                           0, 0, 1, 1, ob_rr_theme->fbwidth,
 488                                           RrDepth(ob_rr_inst), InputOutput,
 489                                           RrVisual(ob_rr_inst), CWBorderPixel,
 490                                           &attr);
 491             XMapWindow(ob_display, self->wins[i]);
 492         }
 493
 494     self->desks = screen_num_desktops;
 495     self->curdesk = desk;
 496
 497     popup_delay_show(self->popup, usec, text);
 498 }