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