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