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 ObPopup *popup_new(void)
  33 {
  34     XSetWindowAttributes attrib;
  35     ObPopup *self = g_new0(ObPopup, 1);
  36
  37     self->obwin.type = Window_Internal;
  38     self->gravity = NorthWestGravity;
  39     self->x = self->y = self->textw = 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     self->iconwm = self->iconhm = 1;
  43
  44     attrib.override_redirect = True;
  45     self->bg = XCreateWindow(ob_display, RootWindow(ob_display, ob_screen),
  46                              0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
  47                              InputOutput, RrVisual(ob_rr_inst),
  48                              CWOverrideRedirect, &attrib);
  49
  50     self->text = XCreateWindow(ob_display, self->bg,
  51                                0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
  52                                InputOutput, RrVisual(ob_rr_inst), 0, NULL);
  53
  54     XSetWindowBorderWidth(ob_display, self->bg, ob_rr_theme->obwidth);
  55     XSetWindowBorder(ob_display, self->bg,
  56                      RrColorPixel(ob_rr_theme->osd_border_color));
  57
  58     XMapWindow(ob_display, self->text);
  59
  60     stacking_add(INTERNAL_AS_WINDOW(self));
  61     g_hash_table_insert(window_map, &self->bg, self);
  62     return self;
  63 }
  64
  65 void popup_free(ObPopup *self)
  66 {
  67     if (self) {
  68         XDestroyWindow(ob_display, self->bg);
  69         XDestroyWindow(ob_display, self->text);
  70         RrAppearanceFree(self->a_bg);
  71         RrAppearanceFree(self->a_text);
  72         g_hash_table_remove(window_map, &self->bg);
  73         stacking_remove(self);
  74         g_free(self);
  75     }
  76 }
  77
  78 void popup_position(ObPopup *self, gint gravity, gint x, gint y)
  79 {
  80     self->gravity = gravity;
  81     self->x = x;
  82     self->y = y;
  83 }
  84
  85 void popup_text_width(ObPopup *self, gint w)
  86 {
  87     self->textw = w;
  88 }
  89
  90 void popup_min_width(ObPopup *self, gint minw)
  91 {
  92     self->minw = minw;
  93 }
  94
  95 void popup_max_width(ObPopup *self, gint maxw)
  96 {
  97     self->maxw = maxw;
  98 }
  99
 100 void popup_height(ObPopup *self, gint h)
 101 {
 102     gint texth;
 103
 104     /* don't let the height be smaller than the text */
 105     texth = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
 106     self->h = MAX(h, texth);
 107 }
 108
 109 void popup_text_width_to_string(ObPopup *self, gchar *text)
 110 {
 111     if (text[0] != '\0') {
 112         self->a_text->texture[0].data.text.string = text;
 113         self->textw = RrMinWidth(self->a_text);
 114     } else
 115         self->textw = 0;
 116 }
 117
 118 void popup_height_to_string(ObPopup *self, gchar *text)
 119 {
 120     self->h = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
 121 }
 122
 123 void popup_text_width_to_strings(ObPopup *self, gchar **strings, gint num)
 124 {
 125     gint i, maxw;
 126
 127     maxw = 0;
 128     for (i = 0; i < num; ++i) {
 129         popup_text_width_to_string(self, strings[i]);
 130         maxw = MAX(maxw, self->textw);
 131     }
 132     self->textw = maxw;
 133 }
 134
 135 void popup_set_text_align(ObPopup *self, RrJustify align)
 136 {
 137     self->a_text->texture[0].data.text.justify = align;
 138 }
 139
 140 static gboolean popup_show_timeout(gpointer data)
 141 {
 142     ObPopup *self = data;
 143
 144     XMapWindow(ob_display, self->bg);
 145     stacking_raise(INTERNAL_AS_WINDOW(self));
 146     self->mapped = TRUE;
 147     self->delay_mapped = FALSE;
 148
 149     return FALSE; /* don't repeat */
 150 }
 151
 152 void popup_delay_show(ObPopup *self, gulong usec, gchar *text)
 153 {
 154     gint l, t, r, b;
 155     gint x, y, w, h;
 156     guint m;
 157     gint emptyx, emptyy; /* empty space between elements */
 158     gint textx, texty, textw, texth;
 159     gint iconx, icony, iconw, iconh;
 160     Rect *area, mon;
 161
 162     /* when there is no icon and the text is not parent relative, then
 163        fill the whole dialog with the text appearance, don't use the bg at all
 164     */
 165     if (self->hasicon || self->a_text->surface.grad == RR_SURFACE_PARENTREL)
 166         RrMargins(self->a_bg, &l, &t, &r, &b);
 167     else
 168         l = t = r = b = 0;
 169
 170     /* set up the textures */
 171     self->a_text->texture[0].data.text.string = text;
 172
 173     /* measure the text out */
 174     if (text[0] != '\0') {
 175         RrMinSize(self->a_text, &textw, &texth);
 176     } else {
 177         textw = 0;
 178         texth = RrMinHeight(self->a_text);
 179     }
 180
 181     /* get the height, which is also used for the icon width */
 182     emptyy = t + b + ob_rr_theme->paddingy * 2;
 183     if (self->h)
 184         texth = self->h - emptyy;
 185     h = texth * self->iconhm + emptyy;
 186
 187     if (self->textw)
 188         textw = self->textw;
 189
 190     iconx = textx = l + ob_rr_theme->paddingx;
 191
 192     emptyx = l + r + ob_rr_theme->paddingx * 2;
 193     if (self->hasicon) {
 194         iconw = texth * self->iconwm;
 195         iconh = texth * self->iconhm;
 196         textx += iconw + ob_rr_theme->paddingx;
 197         if (textw)
 198             emptyx += ob_rr_theme->paddingx; /* between the icon and text */
 199     } else
 200         iconw = 0;
 201
 202     texty = (h - texth - emptyy) / 2 + t + ob_rr_theme->paddingy;
 203     icony = (h - iconh - emptyy) / 2 + t + ob_rr_theme->paddingy;
 204
 205     /* when there is no icon, then fill the whole dialog with the text
 206        appearance
 207     */
 208     if (!self->hasicon)
 209     {
 210         textx = texty = 0;
 211         texth += emptyy;
 212         textw += emptyx;
 213         emptyx = emptyy = 0;
 214     }
 215
 216     w = textw + emptyx + iconw;
 217     /* cap it at maxw/minw */
 218     if (self->maxw) w = MIN(w, self->maxw);
 219     if (self->minw) w = MAX(w, self->minw);
 220     textw = w - emptyx - iconw;
 221
 222     /* sanity checks to avoid crashes! */
 223     if (w < 1) w = 1;
 224     if (h < 1) h = 1;
 225     if (texth < 1) texth = 1;
 226
 227     /* set up the x coord */
 228     x = self->x;
 229     switch (self->gravity) {
 230     case NorthGravity: case CenterGravity: case SouthGravity:
 231         x -= w / 2;
 232         break;
 233     case NorthEastGravity: case EastGravity: case SouthEastGravity:
 234         x -= w;
 235         break;
 236     }
 237
 238     /* set up the y coord */
 239     y = self->y;
 240     switch (self->gravity) {
 241     case WestGravity: case CenterGravity: case EastGravity:
 242         y -= h / 2;
 243         break;
 244     case SouthWestGravity: case SouthGravity: case SouthEastGravity:
 245         y -= h;
 246         break;
 247     }
 248
 249     /* Find the monitor which contains the biggest part of the popup.
 250      * If the popup is completely off screen, limit it to the intersection
 251      * of all monitors and then try again. If it's still off screen, put it
 252      * on monitor 0. */
 253     RECT_SET(mon, x, y, w, h);
 254     m = screen_find_monitor(&mon);
 255     area = screen_physical_area_monitor(m);
 256
 257     x=MAX(MIN(x, area->x+area->width-w),area->x);
 258     y=MAX(MIN(y, area->y+area->height-h),area->y);
 259
 260     g_free(area);
 261
 262     if (m == screen_num_monitors) {
 263         RECT_SET(mon, x, y, w, h);
 264         m = screen_find_monitor(&mon);
 265         if (m == screen_num_monitors)
 266             m = 0;
 267         area = screen_physical_area_monitor(m);
 268
 269         x=MAX(MIN(x, area->x+area->width-w),area->x);
 270         y=MAX(MIN(y, area->y+area->height-h),area->y);
 271
 272         g_free(area);
 273     }
 274
 275     /* set the windows/appearances up */
 276     XMoveResizeWindow(ob_display, self->bg, x, y, w, h);
 277     /* when there is no icon and the text is not parent relative, then
 278        fill the whole dialog with the text appearance, don't use the bg at all
 279     */
 280     if (self->hasicon || self->a_text->surface.grad == RR_SURFACE_PARENTREL)
 281         RrPaint(self->a_bg, self->bg, w, h);
 282
 283     if (textw) {
 284         self->a_text->surface.parent = self->a_bg;
 285         self->a_text->surface.parentx = textx;
 286         self->a_text->surface.parenty = texty;
 287         XMoveResizeWindow(ob_display, self->text, textx, texty, textw, texth);
 288         RrPaint(self->a_text, self->text, textw, texth);
 289     }
 290
 291     if (self->hasicon)
 292         self->draw_icon(iconx, icony, iconw, iconh, self->draw_icon_data);
 293
 294     /* do the actual showing */
 295     if (!self->mapped) {
 296         if (usec) {
 297             /* don't kill previous show timers */
 298             if (!self->delay_mapped) {
 299                 ob_main_loop_timeout_add(ob_main_loop, usec,
 300                                          popup_show_timeout, self,
 301                                          g_direct_equal, NULL);
 302                 self->delay_mapped = TRUE;
 303             }
 304         } else {
 305             popup_show_timeout(self);
 306         }
 307     }
 308 }
 309
 310 void popup_hide(ObPopup *self)
 311 {
 312     if (self->mapped) {
 313         gulong ignore_start;
 314
 315         /* kill enter events cause by this unmapping */
 316         ignore_start = event_start_ignore_all_enters();
 317
 318         XUnmapWindow(ob_display, self->bg);
 319         self->mapped = FALSE;
 320
 321         event_end_ignore_all_enters(ignore_start);
 322     } else if (self->delay_mapped) {
 323         ob_main_loop_timeout_remove(ob_main_loop, popup_show_timeout);
 324         self->delay_mapped = FALSE;
 325     }
 326 }
 327
 328 static void icon_popup_draw_icon(gint x, gint y, gint w, gint h, gpointer data)
 329 {
 330     ObIconPopup *self = data;
 331
 332     self->a_icon->surface.parent = self->popup->a_bg;
 333     self->a_icon->surface.parentx = x;
 334     self->a_icon->surface.parenty = y;
 335     XMoveResizeWindow(ob_display, self->icon, x, y, w, h);
 336     RrPaint(self->a_icon, self->icon, w, h);
 337 }
 338
 339 ObIconPopup *icon_popup_new(void)
 340 {
 341     ObIconPopup *self;
 342
 343     self = g_new0(ObIconPopup, 1);
 344     self->popup = popup_new();
 345     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
 346     self->icon = XCreateWindow(ob_display, self->popup->bg,
 347                                0, 0, 1, 1, 0,
 348                                RrDepth(ob_rr_inst), InputOutput,
 349                                RrVisual(ob_rr_inst), 0, NULL);
 350     XMapWindow(ob_display, self->icon);
 351
 352     self->popup->hasicon = TRUE;
 353     self->popup->draw_icon = icon_popup_draw_icon;
 354     self->popup->draw_icon_data = self;
 355
 356     return self;
 357 }
 358
 359 void icon_popup_free(ObIconPopup *self)
 360 {
 361     if (self) {
 362         XDestroyWindow(ob_display, self->icon);
 363         RrAppearanceFree(self->a_icon);
 364         popup_free(self->popup);
 365         g_free(self);
 366     }
 367 }
 368
 369 void icon_popup_delay_show(ObIconPopup *self, gulong usec,
 370                            gchar *text, const ObClientIcon *icon)
 371 {
 372     if (icon) {
 373         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
 374         self->a_icon->texture[0].data.rgba.width = icon->width;
 375         self->a_icon->texture[0].data.rgba.height = icon->height;
 376         self->a_icon->texture[0].data.rgba.alpha = 0xff;
 377         self->a_icon->texture[0].data.rgba.data = icon->data;
 378     } else
 379         self->a_icon->texture[0].type = RR_TEXTURE_NONE;
 380
 381     popup_delay_show(self->popup, usec, text);
 382 }
 383
 384 void icon_popup_icon_size_multiplier(ObIconPopup *self, guint wm, guint hm)
 385 {
 386     /* cap them at 1 */
 387     self->popup->iconwm = MAX(1, wm);
 388     self->popup->iconhm = MAX(1, hm);
 389 }
 390
 391 static void pager_popup_draw_icon(gint px, gint py, gint w, gint h,
 392                                   gpointer data)
 393 {
 394     ObPagerPopup *self = data;
 395     gint x, y;
 396     guint rown, n;
 397     guint horz_inc;
 398     guint vert_inc;
 399     guint r, c;
 400     gint eachw, eachh;
 401     const guint cols = screen_desktop_layout.columns;
 402     const guint rows = screen_desktop_layout.rows;
 403     const gint linewidth = ob_rr_theme->obwidth;
 404
 405     eachw = (w - ((cols + 1) * linewidth)) / cols;
 406     eachh = (h - ((rows + 1) * linewidth)) / rows;
 407     /* make them squares */
 408     eachw = eachh = MIN(eachw, eachh);
 409
 410     /* center */
 411     px += (w - (cols * (eachw + linewidth) + linewidth)) / 2;
 412     py += (h - (rows * (eachh + linewidth) + linewidth)) / 2;
 413
 414     if (eachw <= 0 || eachh <= 0)
 415         return;
 416
 417     switch (screen_desktop_layout.orientation) {
 418     case OB_ORIENTATION_HORZ:
 419         switch (screen_desktop_layout.start_corner) {
 420         case OB_CORNER_TOPLEFT:
 421             n = 0;
 422             horz_inc = 1;
 423             vert_inc = cols;
 424             break;
 425         case OB_CORNER_TOPRIGHT:
 426             n = cols - 1;
 427             horz_inc = -1;
 428             vert_inc = cols;
 429             break;
 430         case OB_CORNER_BOTTOMRIGHT:
 431             n = rows * cols - 1;
 432             horz_inc = -1;
 433             vert_inc = -screen_desktop_layout.columns;
 434             break;
 435         case OB_CORNER_BOTTOMLEFT:
 436             n = (rows - 1) * cols;
 437             horz_inc = 1;
 438             vert_inc = -cols;
 439             break;
 440         default:
 441             g_assert_not_reached();
 442         }
 443         break;
 444     case OB_ORIENTATION_VERT:
 445         switch (screen_desktop_layout.start_corner) {
 446         case OB_CORNER_TOPLEFT:
 447             n = 0;
 448             horz_inc = rows;
 449             vert_inc = 1;
 450             break;
 451         case OB_CORNER_TOPRIGHT:
 452             n = rows * (cols - 1);
 453             horz_inc = -rows;
 454             vert_inc = 1;
 455             break;
 456         case OB_CORNER_BOTTOMRIGHT:
 457             n = rows * cols - 1;
 458             horz_inc = -rows;
 459             vert_inc = -1;
 460             break;
 461         case OB_CORNER_BOTTOMLEFT:
 462             n = rows - 1;
 463             horz_inc = rows;
 464             vert_inc = -1;
 465             break;
 466         default:
 467             g_assert_not_reached();
 468         }
 469         break;
 470     default:
 471         g_assert_not_reached();
 472     }
 473
 474     rown = n;
 475     for (r = 0, y = 0; r < rows; ++r, y += eachh + linewidth)
 476     {
 477         for (c = 0, x = 0; c < cols; ++c, x += eachw + linewidth)
 478         {
 479             RrAppearance *a;
 480
 481             if (n < self->desks) {
 482                 a = (n == self->curdesk ? self->hilight : self->unhilight);
 483
 484                 a->surface.parent = self->popup->a_bg;
 485                 a->surface.parentx = x + px;
 486                 a->surface.parenty = y + py;
 487                 XMoveResizeWindow(ob_display, self->wins[n],
 488                                   x + px, y + py, eachw, eachh);
 489                 RrPaint(a, self->wins[n], eachw, eachh);
 490             }
 491             n += horz_inc;
 492         }
 493         n = rown += vert_inc;
 494     }
 495 }
 496
 497 ObPagerPopup *pager_popup_new(void)
 498 {
 499     ObPagerPopup *self;
 500
 501     self = g_new(ObPagerPopup, 1);
 502     self->popup = popup_new();
 503
 504     self->desks = 0;
 505     self->wins = g_new(Window, self->desks);
 506     self->hilight = RrAppearanceCopy(ob_rr_theme->osd_hilite_fg);
 507     self->unhilight = RrAppearanceCopy(ob_rr_theme->osd_unhilite_fg);
 508
 509     self->popup->hasicon = TRUE;
 510     self->popup->draw_icon = pager_popup_draw_icon;
 511     self->popup->draw_icon_data = self;
 512
 513     return self;
 514 }
 515
 516 void pager_popup_free(ObPagerPopup *self)
 517 {
 518     if (self) {
 519         guint i;
 520
 521         for (i = 0; i < self->desks; ++i)
 522             XDestroyWindow(ob_display, self->wins[i]);
 523         g_free(self->wins);
 524         RrAppearanceFree(self->hilight);
 525         RrAppearanceFree(self->unhilight);
 526         popup_free(self->popup);
 527         g_free(self);
 528     }
 529 }
 530
 531 void pager_popup_delay_show(ObPagerPopup *self, gulong usec,
 532                             gchar *text, guint desk)
 533 {
 534     guint i;
 535
 536     if (screen_num_desktops < self->desks)
 537         for (i = screen_num_desktops; i < self->desks; ++i)
 538             XDestroyWindow(ob_display, self->wins[i]);
 539
 540     if (screen_num_desktops != self->desks)
 541         self->wins = g_renew(Window, self->wins, screen_num_desktops);
 542
 543     if (screen_num_desktops > self->desks)
 544         for (i = self->desks; i < screen_num_desktops; ++i) {
 545             XSetWindowAttributes attr;
 546
 547             attr.border_pixel =
 548                 RrColorPixel(ob_rr_theme->osd_border_color);
 549             self->wins[i] = XCreateWindow(ob_display, self->popup->bg,
 550                                           0, 0, 1, 1, ob_rr_theme->obwidth,
 551                                           RrDepth(ob_rr_inst), InputOutput,
 552                                           RrVisual(ob_rr_inst), CWBorderPixel,
 553                                           &attr);
 554             XMapWindow(ob_display, self->wins[i]);
 555         }
 556
 557     self->desks = screen_num_desktops;
 558     self->curdesk = desk;
 559
 560     popup_delay_show(self->popup, usec, text);
 561 }
 562
 563 void pager_popup_icon_size_multiplier(ObPagerPopup *self, guint wm, guint hm)
 564 {
 565     /* cap them at 1 */
 566     self->popup->iconwm = MAX(1, wm);
 567     self->popup->iconhm = MAX(1, hm);
 568 }