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 xpadding, ypadding;
 140     gint textw, texth;
 141     gint iconw;
 142     Rect *area; /* won't go outside this */
 143
 144     area = screen_physical_area();          /* XXX this should work quite
 145                                                good, someone with xinerama,
 146                                                and different resolutions on
 147                                                screens? */
 148
 149     RrMargins(self->a_bg, &l, &t, &r, &b);
 150
 151     XSetWindowBorderWidth(ob_display, self->bg, ob_rr_theme->fbwidth);
 152     XSetWindowBorder(ob_display, self->bg, ob_rr_theme->frame_b_color->pixel);
 153
 154     /* set up the textures */
 155     self->a_text->texture[0].data.text.string = text;
 156
 157     /* measure the text out */
 158     RrMinSize(self->a_text, &textw, &texth);
 159     texth += ob_rr_theme->paddingy * 2;
 160
 161     ypadding = (t+b + ob_rr_theme->paddingy * 2);
 162
 163     /* set the sizes up and reget the text sizes from the calculated
 164        outer sizes */
 165     if (self->h) {
 166         h = self->h;
 167         texth = h - ypadding;
 168     } else
 169         h = texth + ypadding;
 170
 171     iconw = (self->hasicon ? texth : 0);
 172     xpadding = l+r + iconw + ob_rr_theme->paddingx *
 173         (self->hasicon ? 3 : 2);
 174
 175     if (self->w)
 176         textw = self->w;
 177     w = textw + xpadding;
 178     /* cap it at "maxw" */
 179     if (self->maxw) w = MIN(w, self->maxw);
 180     textw = w - xpadding;
 181
 182     /* sanity checks to avoid crashes! */
 183     if (w < 1) w = 1;
 184     if (h < 1) h = 1;
 185     if (textw < 1) textw = 1;
 186     if (texth < 1) texth = 1;
 187
 188     /* set up the x coord */
 189     x = self->x;
 190     switch (self->gravity) {
 191     case NorthGravity:
 192     case CenterGravity:
 193     case SouthGravity:
 194         x -= w / 2;
 195         break;
 196     case NorthEastGravity:
 197     case EastGravity:
 198     case SouthEastGravity:
 199         x -= w;
 200         break;
 201     }
 202
 203     /* set up the y coord */
 204     y = self->y;
 205     switch (self->gravity) {
 206     case WestGravity:
 207     case CenterGravity:
 208     case EastGravity:
 209         y -= h / 2;
 210         break;
 211     case SouthWestGravity:
 212     case SouthGravity:
 213     case SouthEastGravity:
 214         y -= h;
 215         break;
 216     }
 217
 218     x=MAX(MIN(x, area->width-w),0);
 219     y=MAX(MIN(y, area->height-h),0);
 220
 221     /* set the windows/appearances up */
 222     XMoveResizeWindow(ob_display, self->bg, x, y, w, h);
 223
 224     self->a_text->surface.parent = self->a_bg;
 225     self->a_text->surface.parentx = l + iconw +
 226         ob_rr_theme->paddingx * (self->hasicon ? 2 : 1);
 227     self->a_text->surface.parenty = t + ob_rr_theme->paddingy;
 228     XMoveResizeWindow(ob_display, self->text,
 229                       l + iconw + ob_rr_theme->paddingx *
 230                       (self->hasicon ? 2 : 1),
 231                       t + ob_rr_theme->paddingy, textw, texth);
 232
 233     RrPaint(self->a_bg, self->bg, w, h);
 234     RrPaint(self->a_text, self->text, textw, texth);
 235
 236     if (self->hasicon) {
 237         if (iconw < 1) iconw = 1; /* sanity check for crashes */
 238         if (self->draw_icon)
 239             self->draw_icon(l + ob_rr_theme->paddingx,
 240                             t + ob_rr_theme->paddingy,
 241                             iconw, texth, self->draw_icon_data);
 242     }
 243
 244     /* do the actual showing */
 245     if (!self->mapped) {
 246         if (usec) {
 247             /* don't kill previous show timers */
 248             if (!self->delay_mapped) {
 249                 ob_main_loop_timeout_add(ob_main_loop, usec,
 250                                          popup_show_timeout, self,
 251                                          g_direct_equal, NULL);
 252                 self->delay_mapped = TRUE;
 253             }
 254         } else {
 255             popup_show_timeout(self);
 256         }
 257     }
 258 }
 259
 260 void popup_hide(ObPopup *self)
 261 {
 262     if (self->mapped) {
 263         XUnmapWindow(ob_display, self->bg);
 264         self->mapped = FALSE;
 265
 266         /* kill enter events cause by this unmapping */
 267         event_ignore_queued_enters();
 268     } else if (self->delay_mapped) {
 269         ob_main_loop_timeout_remove(ob_main_loop, popup_show_timeout);
 270         self->delay_mapped = FALSE;
 271     }
 272 }
 273
 274 static void icon_popup_draw_icon(gint x, gint y, gint w, gint h, gpointer data)
 275 {
 276     ObIconPopup *self = data;
 277
 278     self->a_icon->surface.parent = self->popup->a_bg;
 279     self->a_icon->surface.parentx = x;
 280     self->a_icon->surface.parenty = y;
 281     XMoveResizeWindow(ob_display, self->icon, x, y, w, h);
 282     RrPaint(self->a_icon, self->icon, w, h);
 283 }
 284
 285 ObIconPopup *icon_popup_new()
 286 {
 287     ObIconPopup *self;
 288
 289     self = g_new0(ObIconPopup, 1);
 290     self->popup = popup_new(TRUE);
 291     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 292     self->icon = XCreateWindow(ob_display, self->popup->bg,
 293                                0, 0, 1, 1, 0,
 294                                RrDepth(ob_rr_inst), InputOutput,
 295                                RrVisual(ob_rr_inst), 0, NULL);
 296     XMapWindow(ob_display, self->icon);
 297
 298     self->popup->draw_icon = icon_popup_draw_icon;
 299     self->popup->draw_icon_data = self;
 300
 301     return self;
 302 }
 303
 304 void icon_popup_free(ObIconPopup *self)
 305 {
 306     if (self) {
 307         XDestroyWindow(ob_display, self->icon);
 308         RrAppearanceFree(self->a_icon);
 309         popup_free(self->popup);
 310         g_free(self);
 311     }
 312 }
 313
 314 void icon_popup_delay_show(ObIconPopup *self, gulong usec,
 315                            gchar *text, const ObClientIcon *icon)
 316 {
 317     if (icon) {
 318         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
 319         self->a_icon->texture[0].data.rgba.width = icon->width;
 320         self->a_icon->texture[0].data.rgba.height = icon->height;
 321         self->a_icon->texture[0].data.rgba.data = icon->data;
 322     } else
 323         self->a_icon->texture[0].type = RR_TEXTURE_NONE;
 324
 325     popup_delay_show(self->popup, usec, text);
 326 }
 327
 328 static void pager_popup_draw_icon(gint px, gint py, gint w, gint h,
 329                                   gpointer data)
 330 {
 331     ObPagerPopup *self = data;
 332     gint x, y;
 333     guint rown, n;
 334     guint horz_inc;
 335     guint vert_inc;
 336     guint r, c;
 337     gint eachw, eachh;
 338
 339     eachw = (w - ob_rr_theme->fbwidth -
 340              (screen_desktop_layout.columns * ob_rr_theme->fbwidth))
 341         / screen_desktop_layout.columns;
 342     eachh = (h - ob_rr_theme->fbwidth -
 343              (screen_desktop_layout.rows * ob_rr_theme->fbwidth))
 344         / screen_desktop_layout.rows;
 345     /* make them squares */
 346     eachw = eachh = MIN(eachw, eachh);
 347
 348     /* center */
 349     px += (w - (screen_desktop_layout.columns * (eachw + ob_rr_theme->fbwidth) +
 350                 ob_rr_theme->fbwidth)) / 2;
 351     py += (h - (screen_desktop_layout.rows * (eachh + ob_rr_theme->fbwidth) +
 352                 ob_rr_theme->fbwidth)) / 2;
 353
 354     if (eachw <= 0 || eachh <= 0)
 355         return;
 356
 357     switch (screen_desktop_layout.orientation) {
 358     case OB_ORIENTATION_HORZ:
 359         switch (screen_desktop_layout.start_corner) {
 360         case OB_CORNER_TOPLEFT:
 361             n = 0;
 362             horz_inc = 1;
 363             vert_inc = screen_desktop_layout.columns;
 364             break;
 365         case OB_CORNER_TOPRIGHT:
 366             n = screen_desktop_layout.columns - 1;
 367             horz_inc = -1;
 368             vert_inc = screen_desktop_layout.columns;
 369             break;
 370         case OB_CORNER_BOTTOMRIGHT:
 371             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 372             horz_inc = -1;
 373             vert_inc = -screen_desktop_layout.columns;
 374             break;
 375         case OB_CORNER_BOTTOMLEFT:
 376             n = (screen_desktop_layout.rows - 1)
 377                 * screen_desktop_layout.columns;
 378             horz_inc = 1;
 379             vert_inc = -screen_desktop_layout.columns;
 380             break;
 381         default:
 382             g_assert_not_reached();
 383         }
 384         break;
 385     case OB_ORIENTATION_VERT:
 386         switch (screen_desktop_layout.start_corner) {
 387         case OB_CORNER_TOPLEFT:
 388             n = 0;
 389             horz_inc = screen_desktop_layout.rows;
 390             vert_inc = 1;
 391             break;
 392         case OB_CORNER_TOPRIGHT:
 393             n = screen_desktop_layout.rows
 394                 * (screen_desktop_layout.columns - 1);
 395             horz_inc = -screen_desktop_layout.rows;
 396             vert_inc = 1;
 397             break;
 398         case OB_CORNER_BOTTOMRIGHT:
 399             n = screen_desktop_layout.rows * screen_desktop_layout.columns - 1;
 400             horz_inc = -screen_desktop_layout.rows;
 401             vert_inc = -1;
 402             break;
 403         case OB_CORNER_BOTTOMLEFT:
 404             n = screen_desktop_layout.rows - 1;
 405             horz_inc = screen_desktop_layout.rows;
 406             vert_inc = -1;
 407             break;
 408         default:
 409             g_assert_not_reached();
 410         }
 411         break;
 412     default:
 413         g_assert_not_reached();
 414     }
 415
 416     rown = n;
 417     for (r = 0, y = 0; r < screen_desktop_layout.rows;
 418          ++r, y += eachh + ob_rr_theme->fbwidth)
 419     {
 420         for (c = 0, x = 0; c < screen_desktop_layout.columns;
 421              ++c, x += eachw + ob_rr_theme->fbwidth)
 422         {
 423             RrAppearance *a;
 424
 425             if (n < self->desks) {
 426                 a = (n == self->curdesk ? self->hilight : self->unhilight);
 427
 428                 a->surface.parent = self->popup->a_bg;
 429                 a->surface.parentx = x + px;
 430                 a->surface.parenty = y + py;
 431                 XMoveResizeWindow(ob_display, self->wins[n],
 432                                   x + px, y + py, eachw, eachh);
 433                 RrPaint(a, self->wins[n], eachw, eachh);
 434             }
 435             n += horz_inc;
 436         }
 437         n = rown += vert_inc;
 438     }
 439 }
 440
 441 ObPagerPopup *pager_popup_new()
 442 {
 443     ObPagerPopup *self;
 444
 445     self = g_new(ObPagerPopup, 1);
 446     self->popup = popup_new(TRUE);
 447
 448     self->desks = 0;
 449     self->wins = g_new(Window, self->desks);
 450     self->hilight = RrAppearanceCopy(ob_rr_theme->osd_hilite_fg);
 451     self->unhilight = RrAppearanceCopy(ob_rr_theme->osd_unhilite_fg);
 452
 453     self->popup->hasicon = TRUE;
 454     self->popup->draw_icon = pager_popup_draw_icon;
 455     self->popup->draw_icon_data = self;
 456
 457     return self;
 458 }
 459
 460 void pager_popup_free(ObPagerPopup *self)
 461 {
 462     if (self) {
 463         guint i;
 464
 465         for (i = 0; i < self->desks; ++i)
 466             XDestroyWindow(ob_display, self->wins[i]);
 467         g_free(self->wins);
 468         RrAppearanceFree(self->hilight);
 469         RrAppearanceFree(self->unhilight);
 470         popup_free(self->popup);
 471         g_free(self);
 472     }
 473 }
 474
 475 void pager_popup_delay_show(ObPagerPopup *self, gulong usec,
 476                             gchar *text, guint desk)
 477 {
 478     guint i;
 479
 480     if (screen_num_desktops < self->desks)
 481         for (i = screen_num_desktops; i < self->desks; ++i)
 482             XDestroyWindow(ob_display, self->wins[i]);
 483
 484     if (screen_num_desktops != self->desks)
 485         self->wins = g_renew(Window, self->wins, screen_num_desktops);
 486
 487     if (screen_num_desktops > self->desks)
 488         for (i = self->desks; i < screen_num_desktops; ++i) {
 489             XSetWindowAttributes attr;
 490
 491             attr.border_pixel = RrColorPixel(ob_rr_theme->frame_b_color);
 492             self->wins[i] = XCreateWindow(ob_display, self->popup->bg,
 493                                           0, 0, 1, 1, ob_rr_theme->fbwidth,
 494                                           RrDepth(ob_rr_inst), InputOutput,
 495                                           RrVisual(ob_rr_inst), CWBorderPixel,
 496                                           &attr);
 497             XMapWindow(ob_display, self->wins[i]);
 498         }
 499
 500     self->desks = screen_num_desktops;
 501     self->curdesk = desk;
 502
 503     popup_delay_show(self->popup, usec, text);
 504 }