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