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