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     w = MIN(w, self->maxw);
 174
 175     /* sanity checks to avoid crashes! */
 176     if (w < 1) w = 1;
 177     if (h < 1) h = 1;
 178     if (textw < 1) textw = 1;
 179     if (texth < 1) texth = 1;
 180
 181     /* set up the x coord */
 182     x = self->x;
 183     switch (self->gravity) {
 184     case NorthGravity:
 185     case CenterGravity:
 186     case SouthGravity:
 187         x -= w / 2;
 188         break;
 189     case NorthEastGravity:
 190     case EastGravity:
 191     case SouthEastGravity:
 192         x -= w;
 193         break;
 194     }
 195
 196     /* set up the y coord */
 197     y = self->y;
 198     switch (self->gravity) {
 199     case WestGravity:
 200     case CenterGravity:
 201     case EastGravity:
 202         y -= h / 2;
 203         break;
 204     case SouthWestGravity:
 205     case SouthGravity:
 206     case SouthEastGravity:
 207         y -= h;
 208         break;
 209     }
 210
 211     x=MAX(MIN(x, area->width-w),0);
 212     y=MAX(MIN(y, area->height-h),0);
 213
 214     /* set the windows/appearances up */
 215     XMoveResizeWindow(ob_display, self->bg, x, y, w, h);
 216
 217     self->a_text->surface.parent = self->a_bg;
 218     self->a_text->surface.parentx = l + iconw +
 219         ob_rr_theme->paddingx * (self->hasicon ? 2 : 1);
 220     self->a_text->surface.parenty = t + ob_rr_theme->paddingy;
 221     XMoveResizeWindow(ob_display, self->text,
 222                       l + iconw + ob_rr_theme->paddingx *
 223                       (self->hasicon ? 2 : 1),
 224                       t + ob_rr_theme->paddingy, textw, texth);
 225
 226     RrPaint(self->a_bg, self->bg, w, h);
 227     RrPaint(self->a_text, self->text, textw, texth);
 228
 229     if (self->hasicon) {
 230         if (iconw < 1) iconw = 1; /* sanity check for crashes */
 231         if (self->draw_icon)
 232             self->draw_icon(l + ob_rr_theme->paddingx,
 233                             t + ob_rr_theme->paddingy,
 234                             iconw, texth, self->draw_icon_data);
 235     }
 236
 237     /* do the actual showing */
 238     if (!self->mapped) {
 239         if (usec) {
 240             /* don't kill previous show timers */
 241             if (!self->delay_mapped) {
 242                 ob_main_loop_timeout_add(ob_main_loop, usec,
 243                                          popup_show_timeout, self,
 244                                          g_direct_equal, NULL);
 245                 self->delay_mapped = TRUE;
 246             }
 247         } else {
 248             popup_show_timeout(self);
 249         }
 250     }
 251 }
 252
 253 void popup_hide(ObPopup *self)
 254 {
 255     if (self->mapped) {
 256         XUnmapWindow(ob_display, self->bg);
 257         self->mapped = FALSE;
 258
 259         /* kill enter events cause by this unmapping */
 260         event_ignore_queued_enters();
 261     } else if (self->delay_mapped) {
 262         ob_main_loop_timeout_remove(ob_main_loop, popup_show_timeout);
 263         self->delay_mapped = FALSE;
 264     }
 265 }
 266
 267 static void icon_popup_draw_icon(gint x, gint y, gint w, gint h, gpointer data)
 268 {
 269     ObIconPopup *self = data;
 270
 271     self->a_icon->surface.parent = self->popup->a_bg;
 272     self->a_icon->surface.parentx = x;
 273     self->a_icon->surface.parenty = y;
 274     XMoveResizeWindow(ob_display, self->icon, x, y, w, h);
 275     RrPaint(self->a_icon, self->icon, w, h);
 276 }
 277
 278 ObIconPopup *icon_popup_new()
 279 {
 280     ObIconPopup *self;
 281
 282     self = g_new0(ObIconPopup, 1);
 283     self->popup = popup_new(TRUE);
 284     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 285     self->icon = XCreateWindow(ob_display, self->popup->bg,
 286                                0, 0, 1, 1, 0,
 287                                RrDepth(ob_rr_inst), InputOutput,
 288                                RrVisual(ob_rr_inst), 0, NULL);
 289     XMapWindow(ob_display, self->icon);
 290
 291     self->popup->draw_icon = icon_popup_draw_icon;
 292     self->popup->draw_icon_data = self;
 293
 294     return self;
 295 }
 296
 297 void icon_popup_free(ObIconPopup *self)
 298 {
 299     if (self) {
 300         XDestroyWindow(ob_display, self->icon);
 301         RrAppearanceFree(self->a_icon);
 302         popup_free(self->popup);
 303         g_free(self);
 304     }
 305 }
 306
 307 void icon_popup_delay_show(ObIconPopup *self, gulong usec,
 308                            gchar *text, const ObClientIcon *icon)
 309 {
 310     if (icon) {
 311         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
 312         self->a_icon->texture[0].data.rgba.width = icon->width;
 313         self->a_icon->texture[0].data.rgba.height = icon->height;
 314         self->a_icon->texture[0].data.rgba.data = icon->data;
 315     } else
 316         self->a_icon->texture[0].type = RR_TEXTURE_NONE;
 317
 318     popup_delay_show(self->popup, usec, text);
 319 }
 320
 321 static void pager_popup_draw_icon(gint px, gint py, gint w, gint h,
 322                                   gpointer data)
 323 {
 324     ObPagerPopup *self = data;
 325     gint x, y;
 326     guint rown, n;
 327     guint horz_inc;
 328     guint vert_inc;
 329     guint r, c;
 330     gint eachw, eachh;
 331
 332     eachw = (w - ob_rr_theme->fbwidth -
 333              (screen_desktop_layout.columns * ob_rr_theme->fbwidth))
 334         / screen_desktop_layout.columns;
 335     eachh = (h - ob_rr_theme->fbwidth -
 336              (screen_desktop_layout.rows * ob_rr_theme->fbwidth))
 337         / screen_desktop_layout.rows;
 338     /* make them squares */
 339     eachw = eachh = MIN(eachw, eachh);
 340
 341     /* center */
 342     px += (w - (screen_desktop_layout.columns * (eachw + ob_rr_theme->fbwidth) +
 343                 ob_rr_theme->fbwidth)) / 2;
 344     py += (h - (screen_desktop_layout.rows * (eachh + ob_rr_theme->fbwidth) +
 345                 ob_rr_theme->fbwidth)) / 2;
 346
 347     if (eachw <= 0 || eachh <= 0)
 348         return;
 349
 350     switch (screen_desktop_layout.orientation) {
 351     case OB_ORIENTATION_HORZ:
 352         switch (screen_desktop_layout.start_corner) {
 353         case OB_CORNER_TOPLEFT:
 354             n = 0;
 355             horz_inc = 1;
 356             vert_inc = screen_desktop_layout.columns;
 357             break;
 358         case OB_CORNER_TOPRIGHT:
 359             n = screen_desktop_layout.columns - 1;
 360             horz_inc = -1;
 361             vert_inc = screen_desktop_layout.columns;
 362             break;
 363         case OB_CORNER_BOTTOMRIGHT:
 364             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 365             horz_inc = -1;
 366             vert_inc = -screen_desktop_layout.columns;
 367             break;
 368         case OB_CORNER_BOTTOMLEFT:
 369             n = (screen_desktop_layout.rows - 1)
 370                 * screen_desktop_layout.columns;
 371             horz_inc = 1;
 372             vert_inc = -screen_desktop_layout.columns;
 373             break;
 374         default:
 375             g_assert_not_reached();
 376         }
 377         break;
 378     case OB_ORIENTATION_VERT:
 379         switch (screen_desktop_layout.start_corner) {
 380         case OB_CORNER_TOPLEFT:
 381             n = 0;
 382             horz_inc = screen_desktop_layout.rows;
 383             vert_inc = 1;
 384             break;
 385         case OB_CORNER_TOPRIGHT:
 386             n = screen_desktop_layout.rows
 387                 * (screen_desktop_layout.columns - 1);
 388             horz_inc = -screen_desktop_layout.rows;
 389             vert_inc = 1;
 390             break;
 391         case OB_CORNER_BOTTOMRIGHT:
 392             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 393             horz_inc = -screen_desktop_layout.rows;
 394             vert_inc = -1;
 395             break;
 396         case OB_CORNER_BOTTOMLEFT:
 397             n = screen_desktop_layout.rows - 1;
 398             horz_inc = screen_desktop_layout.rows;
 399             vert_inc = -1;
 400             break;
 401         default:
 402             g_assert_not_reached();
 403         }
 404         break;
 405     default:
 406         g_assert_not_reached();
 407     }
 408
 409     rown = n;
 410     for (r = 0, y = 0; r < screen_desktop_layout.rows;
 411          ++r, y += eachh + ob_rr_theme->fbwidth)
 412     {
 413         for (c = 0, x = 0; c < screen_desktop_layout.columns;
 414              ++c, x += eachw + ob_rr_theme->fbwidth)
 415         {
 416             RrAppearance *a;
 417
 418             if (n < self->desks) {
 419                 a = (n == self->curdesk ? self->hilight : self->unhilight);
 420
 421                 a->surface.parent = self->popup->a_bg;
 422                 a->surface.parentx = x + px;
 423                 a->surface.parenty = y + py;
 424                 XMoveResizeWindow(ob_display, self->wins[n],
 425                                   x + px, y + py, eachw, eachh);
 426                 RrPaint(a, self->wins[n], eachw, eachh);
 427             }
 428             n += horz_inc;
 429         }
 430         n = rown += vert_inc;
 431     }
 432 }
 433
 434 ObPagerPopup *pager_popup_new()
 435 {
 436     ObPagerPopup *self;
 437
 438     self = g_new(ObPagerPopup, 1);
 439     self->popup = popup_new(TRUE);
 440
 441     self->desks = 0;
 442     self->wins = g_new(Window, self->desks);
 443     self->hilight = RrAppearanceCopy(ob_rr_theme->osd_hilite_fg);
 444     self->unhilight = RrAppearanceCopy(ob_rr_theme->osd_unhilite_fg);
 445
 446     self->popup->hasicon = TRUE;
 447     self->popup->draw_icon = pager_popup_draw_icon;
 448     self->popup->draw_icon_data = self;
 449
 450     return self;
 451 }
 452
 453 void pager_popup_free(ObPagerPopup *self)
 454 {
 455     if (self) {
 456         guint i;
 457
 458         for (i = 0; i < self->desks; ++i)
 459             XDestroyWindow(ob_display, self->wins[i]);
 460         g_free(self->wins);
 461         RrAppearanceFree(self->hilight);
 462         RrAppearanceFree(self->unhilight);
 463         popup_free(self->popup);
 464         g_free(self);
 465     }
 466 }
 467
 468 void pager_popup_delay_show(ObPagerPopup *self, gulong usec,
 469                             gchar *text, guint desk)
 470 {
 471     guint i;
 472
 473     if (screen_num_desktops < self->desks)
 474         for (i = screen_num_desktops; i < self->desks; ++i)
 475             XDestroyWindow(ob_display, self->wins[i]);
 476
 477     if (screen_num_desktops != self->desks)
 478         self->wins = g_renew(Window, self->wins, screen_num_desktops);
 479
 480     if (screen_num_desktops > self->desks)
 481         for (i = self->desks; i < screen_num_desktops; ++i) {
 482             XSetWindowAttributes attr;
 483
 484             attr.border_pixel = RrColorPixel(ob_rr_theme->frame_b_color);
 485             self->wins[i] = XCreateWindow(ob_display, self->popup->bg,
 486                                           0, 0, 1, 1, ob_rr_theme->fbwidth,
 487                                           RrDepth(ob_rr_inst), InputOutput,
 488                                           RrVisual(ob_rr_inst), CWBorderPixel,
 489                                           &attr);
 490             XMapWindow(ob_display, self->wins[i]);
 491         }
 492
 493     self->desks = screen_num_desktops;
 494     self->curdesk = desk;
 495
 496     popup_delay_show(self->popup, usec, text);
 497 }