Dogcows Code - chaz/openbox/blob - openbox/prompt.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    prompt.c for the Openbox window manager
   4    Copyright (c) 2008        Dana Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "prompt.h"
  20 #include "openbox.h"
  21 #include "screen.h"
  22 #include "openbox.h"
  23 #include "client.h"
  24 #include "group.h"
  25 #include "prop.h"
  26 #include "modkeys.h"
  27 #include "event.h"
  28 #include "gettext.h"
  29
  30 static GList *prompt_list = NULL;
  31 static GList *prompt_msg_list = NULL;
  32
  33 /* we construct these */
  34 static RrAppearance *prompt_a_bg;
  35 static RrAppearance *prompt_a_button;
  36 static RrAppearance *prompt_a_focus;
  37 static RrAppearance *prompt_a_press;
  38 static RrAppearance *prompt_a_pfocus;
  39 /* we change the max width which would screw with others */
  40 static RrAppearance *prompt_a_msg;
  41
  42 /* sizing stuff */
  43 #define OUTSIDE_MARGIN 4
  44 #define MSG_BUTTON_SEPARATION 4
  45 #define BUTTON_SEPARATION 4
  46 #define BUTTON_VMARGIN 4
  47 #define BUTTON_HMARGIN 12
  48 #define MAX_WIDTH 400
  49
  50 static void prompt_layout(ObPrompt *self);
  51 static void render_all(ObPrompt *self);
  52 static void render_button(ObPrompt *self, ObPromptElement *e);
  53 static void prompt_resize(ObPrompt *self, gint w, gint h);
  54
  55 void prompt_startup(gboolean reconfig)
  56 {
  57     RrColor *c_button, *c_focus, *c_press, *c_pfocus;
  58
  59     /* note: this is not a copy, don't free it */
  60     prompt_a_bg = ob_rr_theme->osd_hilite_bg;
  61
  62     prompt_a_button = RrAppearanceCopy(ob_rr_theme->a_focused_unpressed_close);
  63     prompt_a_focus = RrAppearanceCopy(ob_rr_theme->a_hover_focused_close);
  64     prompt_a_press = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close);
  65     prompt_a_pfocus = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close);
  66
  67     c_button = prompt_a_button->texture[0].data.mask.color;
  68     c_focus = prompt_a_focus->texture[0].data.mask.color;
  69     c_press = prompt_a_press->texture[0].data.mask.color;
  70     c_pfocus = prompt_a_press->texture[0].data.mask.color;
  71
  72     RrAppearanceRemoveTextures(prompt_a_button);
  73     RrAppearanceRemoveTextures(prompt_a_focus);
  74     RrAppearanceRemoveTextures(prompt_a_press);
  75     RrAppearanceRemoveTextures(prompt_a_pfocus);
  76
  77     /* texture[0] is the text and texture[1-4] (for prompt_a_focus and
  78        prompt_a_pfocus) is lineart to show where keyboard focus is */
  79     RrAppearanceAddTextures(prompt_a_button, 1);
  80     RrAppearanceAddTextures(prompt_a_focus, 5);
  81     RrAppearanceAddTextures(prompt_a_press, 1);
  82     RrAppearanceAddTextures(prompt_a_pfocus, 5);
  83
  84     /* totally cheating here.. */
  85     prompt_a_button->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
  86     prompt_a_focus->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
  87     prompt_a_press->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
  88     prompt_a_pfocus->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
  89
  90     prompt_a_button->texture[0].data.text.justify = RR_JUSTIFY_CENTER;
  91     prompt_a_focus->texture[0].data.text.justify = RR_JUSTIFY_CENTER;
  92     prompt_a_press->texture[0].data.text.justify = RR_JUSTIFY_CENTER;
  93     prompt_a_pfocus->texture[0].data.text.justify = RR_JUSTIFY_CENTER;
  94
  95     prompt_a_button->texture[0].data.text.color = c_button;
  96     prompt_a_focus->texture[0].data.text.color = c_focus;
  97     prompt_a_press->texture[0].data.text.color = c_press;
  98     prompt_a_pfocus->texture[0].data.text.color = c_press;
  99
 100     prompt_a_focus->texture[1].data.lineart.color = c_focus;
 101     prompt_a_focus->texture[2].data.lineart.color = c_focus;
 102     prompt_a_focus->texture[3].data.lineart.color = c_focus;
 103     prompt_a_focus->texture[4].data.lineart.color = c_focus;
 104
 105     prompt_a_pfocus->texture[1].data.lineart.color = c_press;
 106     prompt_a_pfocus->texture[2].data.lineart.color = c_press;
 107     prompt_a_pfocus->texture[3].data.lineart.color = c_press;
 108     prompt_a_pfocus->texture[4].data.lineart.color = c_press;
 109
 110     prompt_a_msg = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
 111     prompt_a_msg->texture[0].data.text.flow = TRUE;
 112
 113     if (reconfig) {
 114         GList *it;
 115         for (it = prompt_list; it; it = g_list_next(it)) {
 116             ObPrompt *p = it->data;
 117             prompt_layout(p);
 118             render_all(p);
 119         }
 120     }
 121 }
 122
 123 void prompt_shutdown(gboolean reconfig)
 124 {
 125     while (prompt_msg_list)
 126         prompt_cancel(prompt_msg_list->data);
 127
 128     RrAppearanceFree(prompt_a_button);
 129     RrAppearanceFree(prompt_a_focus);
 130     RrAppearanceFree(prompt_a_press);
 131     RrAppearanceFree(prompt_a_pfocus);
 132     RrAppearanceFree(prompt_a_msg);
 133 }
 134
 135 ObPrompt* prompt_new(const gchar *msg,
 136                      const ObPromptAnswer *answers, gint n_answers,
 137                      gint default_result, gint cancel_result,
 138                      ObPromptCallback func, gpointer data)
 139 {
 140     ObPrompt *self;
 141     XSetWindowAttributes attrib;
 142     gint i;
 143
 144     attrib.override_redirect = FALSE;
 145
 146     self = g_new0(ObPrompt, 1);
 147     self->ref = 1;
 148     self->func = func;
 149     self->data = data;
 150     self->default_result = default_result;
 151     self->cancel_result = cancel_result;
 152     self->super.type = Window_Prompt;
 153     self->super.window = XCreateWindow(ob_display,
 154                                        RootWindow(ob_display, ob_screen),
 155                                        0, 0, 1, 1, 0,
 156                                        CopyFromParent, InputOutput,
 157                                        CopyFromParent,
 158                                        CWOverrideRedirect,
 159                                        &attrib);
 160
 161     /* make it a dialog type window */
 162     PROP_SET32(self->super.window, net_wm_window_type, atom,
 163                prop_atoms.net_wm_window_type_dialog);
 164
 165     /* listen for key presses on the window */
 166     self->event_mask = KeyPressMask;
 167
 168     /* set up the text message widow */
 169     self->msg.text = g_strdup(msg);
 170     self->msg.window = XCreateWindow(ob_display, self->super.window,
 171                                      0, 0, 1, 1, 0,
 172                                      CopyFromParent, InputOutput,
 173                                      CopyFromParent, 0, NULL);
 174     XMapWindow(ob_display, self->msg.window);
 175
 176     /* set up the buttons from the answers */
 177
 178     self->n_buttons = n_answers;
 179     if (!self->n_buttons)
 180         self->n_buttons = 1;
 181
 182     self->button = g_new0(ObPromptElement, self->n_buttons);
 183
 184     if (n_answers == 0) {
 185         g_assert(self->n_buttons == 1); /* should be set to this above.. */
 186         self->button[0].text = g_strdup(_("OK"));
 187     }
 188     else {
 189         g_assert(self->n_buttons > 0);
 190         for (i = 0; i < self->n_buttons; ++i) {
 191             self->button[i].text = g_strdup(answers[i].text);
 192             self->button[i].result = answers[i].result;
 193         }
 194     }
 195
 196     for (i = 0; i < self->n_buttons; ++i) {
 197         self->button[i].window = XCreateWindow(ob_display, self->super.window,
 198                                                0, 0, 1, 1, 0,
 199                                                CopyFromParent, InputOutput,
 200                                                CopyFromParent, 0, NULL);
 201         XMapWindow(ob_display, self->button[i].window);
 202         g_hash_table_insert(window_map, &self->button[i].window,
 203                             PROMPT_AS_WINDOW(self));
 204
 205         /* listen for button presses on the buttons */
 206         XSelectInput(ob_display, self->button[i].window,
 207                      ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
 208     }
 209
 210     prompt_list = g_list_prepend(prompt_list, self);
 211
 212     return self;
 213 }
 214
 215 void prompt_ref(ObPrompt *self)
 216 {
 217     ++self->ref;
 218 }
 219
 220 void prompt_unref(ObPrompt *self)
 221 {
 222     if (self && --self->ref == 0) {
 223         gint i;
 224
 225         if (self->mapped)
 226             prompt_hide(self);
 227
 228         prompt_list = g_list_remove(prompt_list, self);
 229
 230         for (i = 0; i < self->n_buttons; ++i) {
 231             g_hash_table_remove(window_map, &self->button[i].window);
 232             XDestroyWindow(ob_display, self->button[i].window);
 233         }
 234
 235         XDestroyWindow(ob_display, self->msg.window);
 236         XDestroyWindow(ob_display, self->super.window);
 237         g_free(self);
 238     }
 239 }
 240
 241 static void prompt_layout(ObPrompt *self)
 242 {
 243     gint l, r, t, b;
 244     gint i;
 245     gint allbuttonsw, allbuttonsh, buttonx;
 246     gint w, h;
 247     gint maxw;
 248
 249     RrMargins(prompt_a_bg, &l, &t, &r, &b);
 250     l += OUTSIDE_MARGIN;
 251     t += OUTSIDE_MARGIN;
 252     r += OUTSIDE_MARGIN;
 253     b += OUTSIDE_MARGIN;
 254
 255     {
 256         Rect *area = screen_physical_area_all_monitors();
 257         maxw = MIN(MAX_WIDTH, area->width*4/5);
 258         g_free(area);
 259     }
 260
 261     /* find the button sizes and how much space we need for them */
 262     allbuttonsw = allbuttonsh = 0;
 263     for (i = 0; i < self->n_buttons; ++i) {
 264         gint bw, bh;
 265
 266         prompt_a_button->texture[0].data.text.string = self->button[i].text;
 267         prompt_a_focus->texture[0].data.text.string = self->button[i].text;
 268         prompt_a_press->texture[0].data.text.string = self->button[i].text;
 269         prompt_a_pfocus->texture[0].data.text.string = self->button[i].text;
 270         RrMinSize(prompt_a_button, &bw, &bh);
 271         self->button[i].width = bw;
 272         self->button[i].height = bh;
 273         RrMinSize(prompt_a_focus, &bw, &bh);
 274         self->button[i].width = MAX(self->button[i].width, bw);
 275         self->button[i].height = MAX(self->button[i].height, bh);
 276         RrMinSize(prompt_a_press, &bw, &bh);
 277         self->button[i].width = MAX(self->button[i].width, bw);
 278         self->button[i].height = MAX(self->button[i].height, bh);
 279         RrMinSize(prompt_a_pfocus, &bw, &bh);
 280         self->button[i].width = MAX(self->button[i].width, bw);
 281         self->button[i].height = MAX(self->button[i].height, bh);
 282
 283
 284         self->button[i].width += BUTTON_HMARGIN * 2;
 285         self->button[i].height += BUTTON_VMARGIN * 2;
 286
 287         allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0);
 288         allbuttonsh = MAX(allbuttonsh, self->button[i].height);
 289     }
 290
 291     self->msg_wbound = MAX(allbuttonsw, maxw);
 292
 293     /* measure the text message area */
 294     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 295     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 296     RrMinSize(prompt_a_msg, &self->msg.width, &self->msg.height);
 297
 298     /* width and height inside the outer margins */
 299     w = MAX(self->msg.width, allbuttonsw);
 300     h = self->msg.height + MSG_BUTTON_SEPARATION + allbuttonsh;
 301
 302     /* position the text message */
 303     self->msg.x = l + (w - self->msg.width) / 2;
 304     self->msg.y = t;
 305
 306     /* position the button buttons on the right of the dialog */
 307     buttonx = l + w;
 308     for (i = self->n_buttons - 1; i >= 0; --i) {
 309         self->button[i].x = buttonx - self->button[i].width;
 310         buttonx -= self->button[i].width + BUTTON_SEPARATION;
 311         self->button[i].y = t + h - allbuttonsh;
 312         self->button[i].y += (allbuttonsh - self->button[i].height) / 2;
 313     }
 314
 315     /* size and position the toplevel window */
 316     prompt_resize(self, w + l + r, h + t + b);
 317
 318     /* move and resize the internal windows */
 319     XMoveResizeWindow(ob_display, self->msg.window,
 320                       self->msg.x, self->msg.y,
 321                       self->msg.width, self->msg.height);
 322     for (i = 0; i < self->n_buttons; ++i)
 323         XMoveResizeWindow(ob_display, self->button[i].window,
 324                           self->button[i].x, self->button[i].y,
 325                           self->button[i].width, self->button[i].height);
 326 }
 327
 328 static void prompt_resize(ObPrompt *self, gint w, gint h)
 329 {
 330     XConfigureRequestEvent req;
 331     XSizeHints hints;
 332
 333     self->width = w;
 334     self->height = h;
 335
 336     /* the user can't resize the prompt */
 337     hints.flags = PMinSize | PMaxSize;
 338     hints.min_width = hints.max_width = w;
 339     hints.min_height = hints.max_height = h;
 340     XSetWMNormalHints(ob_display, self->super.window, &hints);
 341
 342     if (self->mapped) {
 343         /* send a configure request like a normal client would */
 344         req.type = ConfigureRequest;
 345         req.display = ob_display;
 346         req.parent = RootWindow(ob_display, ob_screen);
 347         req.window = self->super.window;
 348         req.width = w;
 349         req.height = h;
 350         req.value_mask = CWWidth | CWHeight;
 351         XSendEvent(req.display, req.window, FALSE, StructureNotifyMask,
 352                    (XEvent*)&req);
 353     }
 354     else
 355         XResizeWindow(ob_display, self->super.window, w, h);
 356 }
 357
 358 static void setup_button_focus_tex(ObPromptElement *e, RrAppearance *a,
 359                                    gboolean on)
 360 {
 361     gint i, l, r, t, b;
 362
 363     for (i = 1; i < 5; ++i)
 364         a->texture[i].type = on ? RR_TEXTURE_LINE_ART : RR_TEXTURE_NONE;
 365
 366     if (!on) return;
 367
 368     RrMargins(a, &l, &t, &r, &b);
 369     l += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 370     r += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 371     t += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 372     b += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 373
 374     /* top line */
 375     a->texture[1].data.lineart.x1 = l;
 376     a->texture[1].data.lineart.x2 = e->width - r - 1;
 377     a->texture[1].data.lineart.y1 = t;
 378     a->texture[1].data.lineart.y2 = t;
 379
 380     /* bottom line */
 381     a->texture[2].data.lineart.x1 = l;
 382     a->texture[2].data.lineart.x2 = e->width - r - 1;
 383     a->texture[2].data.lineart.y1 = e->height - b - 1;
 384     a->texture[2].data.lineart.y2 = e->height - b - 1;
 385
 386     /* left line */
 387     a->texture[3].data.lineart.x1 = l;
 388     a->texture[3].data.lineart.x2 = l;
 389     a->texture[3].data.lineart.y1 = t;
 390     a->texture[3].data.lineart.y2 = e->height - b - 1;
 391
 392     /* right line */
 393     a->texture[4].data.lineart.x1 = e->width - r - 1;
 394     a->texture[4].data.lineart.x2 = e->width - r - 1;
 395     a->texture[4].data.lineart.y1 = t;
 396     a->texture[4].data.lineart.y2 = e->height - b - 1;
 397 }
 398
 399 static void render_button(ObPrompt *self, ObPromptElement *e)
 400 {
 401     RrAppearance *a;
 402
 403     if (e->pressed && self->focus == e) a = prompt_a_pfocus;
 404     else if (self->focus == e)          a = prompt_a_focus;
 405     else if (e->pressed)                a = prompt_a_press;
 406     else                                a = prompt_a_button;
 407
 408     a->surface.parent = prompt_a_bg;
 409     a->surface.parentx = e->x;
 410     a->surface.parenty = e->y;
 411
 412     /* draw the keyfocus line */
 413     if (a == prompt_a_pfocus || a == prompt_a_focus)
 414         setup_button_focus_tex(e, a, TRUE);
 415
 416     a->texture[0].data.text.string = e->text;
 417     RrPaint(a, e->window, e->width, e->height);
 418
 419     /* turn off the keyfocus line so that it doesn't affect size calculations
 420      */
 421     if (a == prompt_a_pfocus || a == prompt_a_focus)
 422         setup_button_focus_tex(e, a, FALSE);
 423 }
 424
 425 static void render_all(ObPrompt *self)
 426 {
 427     gint i;
 428
 429     RrPaint(prompt_a_bg, self->super.window, self->width, self->height);
 430
 431     prompt_a_msg->surface.parent = prompt_a_bg;
 432     prompt_a_msg->surface.parentx = self->msg.x;
 433     prompt_a_msg->surface.parenty = self->msg.y;
 434
 435     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 436     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 437     RrPaint(prompt_a_msg, self->msg.window, self->msg.width, self->msg.height);
 438
 439     for (i = 0; i < self->n_buttons; ++i)
 440         render_button(self, &self->button[i]);
 441 }
 442
 443 void prompt_show(ObPrompt *self, ObClient *parent, gboolean modal)
 444 {
 445     gint i;
 446
 447     if (self->mapped) {
 448         /* activate the prompt */
 449         PROP_MSG(self->super.window, net_active_window,
 450                  1, /* from an application.. */
 451                  event_curtime,
 452                  0,
 453                  0);
 454         return;
 455     }
 456
 457     /* set the focused button (if not found then the first button is used) */
 458     self->focus = &self->button[0];
 459     for (i = 0; i < self->n_buttons; ++i)
 460         if (self->button[i].result == self->default_result) {
 461             self->focus = &self->button[i];
 462             break;
 463         }
 464
 465     if (parent) {
 466         Atom states[1];
 467         gint nstates;
 468         Window p;
 469         XWMHints h;
 470
 471         if (parent->group) {
 472             /* make it transient for the window's group */
 473             h.flags = WindowGroupHint;
 474             h.window_group = parent->group->leader;
 475             p = RootWindow(ob_display, ob_screen);
 476         }
 477         else {
 478             /* make it transient for the window directly */
 479             h.flags = 0;
 480             p = parent->window;
 481         }
 482
 483         XSetWMHints(ob_display, self->super.window, &h);
 484         PROP_SET32(self->super.window, wm_transient_for, window, p);
 485
 486         states[0] = prop_atoms.net_wm_state_modal;
 487         nstates = (modal ? 1 : 0);
 488         PROP_SETA32(self->super.window, net_wm_state, atom, states, nstates);
 489     }
 490     else
 491         PROP_ERASE(self->super.window, wm_transient_for);
 492
 493     /* set up the dialog and render it */
 494     prompt_layout(self);
 495     render_all(self);
 496
 497     client_manage(self->super.window, self);
 498
 499     self->mapped = TRUE;
 500 }
 501
 502 void prompt_hide(ObPrompt *self)
 503 {
 504     XUnmapWindow(ob_display, self->super.window);
 505     self->mapped = FALSE;
 506 }
 507
 508 gboolean prompt_key_event(ObPrompt *self, XEvent *e)
 509 {
 510     gboolean shift;
 511     guint shift_mask;
 512
 513     if (e->type != KeyPress) return FALSE;
 514
 515     shift_mask = modkeys_key_to_mask(OB_MODKEY_KEY_SHIFT);
 516     shift = !!(e->xkey.state & shift_mask);
 517
 518     /* only accept shift */
 519     if (e->xkey.state != 0 && e->xkey.state != shift_mask)
 520         return FALSE;
 521
 522     if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 523         prompt_cancel(self);
 524     else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN) ||
 525              e->xkey.keycode == ob_keycode(OB_KEY_SPACE))
 526     {
 527         if (self->func) self->func(self, self->focus->result, self->data);
 528         prompt_hide(self);
 529     }
 530     else if (e->xkey.keycode == ob_keycode(OB_KEY_TAB) ||
 531              e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 532              e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 533     {
 534         gint i;
 535         gboolean left;
 536         ObPromptElement *oldfocus;
 537
 538         left = e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 539             (e->xkey.keycode == ob_keycode(OB_KEY_TAB) && shift);
 540         oldfocus = self->focus;
 541
 542         for (i = 0; i < self->n_buttons; ++i)
 543             if (self->focus == &self->button[i]) break;
 544         i += (left ? -1 : 1);
 545         if (i < 0) i = self->n_buttons - 1;
 546         else if (i >= self->n_buttons) i = 0;
 547         self->focus = &self->button[i];
 548
 549         if (oldfocus != self->focus) render_button(self, oldfocus);
 550         render_button(self, self->focus);
 551     }
 552     return TRUE;
 553 }
 554
 555 gboolean prompt_mouse_event(ObPrompt *self, XEvent *e)
 556 {
 557     gint i;
 558     ObPromptElement *but;
 559
 560     if (e->type != ButtonPress && e->type != ButtonRelease &&
 561         e->type != MotionNotify) return FALSE;
 562
 563     /* find the button */
 564     but = NULL;
 565     for (i = 0; i < self->n_buttons; ++i)
 566         if (self->button[i].window ==
 567             (e->type == MotionNotify ? e->xmotion.window : e->xbutton.window))
 568         {
 569             but = &self->button[i];
 570             break;
 571         }
 572     if (!but) return FALSE;
 573
 574     if (e->type == ButtonPress) {
 575         ObPromptElement *oldfocus;
 576
 577         oldfocus = self->focus;
 578
 579         but->pressed = TRUE;
 580         self->focus = but;
 581
 582         if (oldfocus != but) render_button(self, oldfocus);
 583         render_button(self, but);
 584     }
 585     else if (e->type == ButtonRelease) {
 586         if (but->pressed) {
 587             if (self->func) self->func(self, but->result, self->data);
 588             prompt_hide(self);
 589         }
 590     }
 591     else if (e->type == MotionNotify) {
 592         gboolean press;
 593
 594         press = (e->xmotion.x >= 0 && e->xmotion.y >= 0 &&
 595                  e->xmotion.x < but->width && e->xmotion.y < but->height);
 596
 597         if (press != but->pressed) {
 598             but->pressed = press;
 599             render_button(self, but);
 600         }
 601     }
 602     return TRUE;
 603 }
 604
 605 void prompt_cancel(ObPrompt *self)
 606 {
 607     if (self->func) self->func(self, self->cancel_result, self->data);
 608     prompt_hide(self);
 609 }
 610
 611 static void prompt_show_message_cb(ObPrompt *p, int res, gpointer data)
 612 {
 613     prompt_msg_list = g_list_remove(prompt_msg_list, p);
 614     prompt_unref(p);
 615 }
 616
 617 void prompt_show_message(const gchar *msg, const gchar *answer)
 618 {
 619     ObPrompt *p;
 620     ObPromptAnswer ans[] = {
 621         { answer, 0 }
 622     };
 623
 624     p = prompt_new(msg, ans, 1, 0, 0, prompt_show_message_cb, NULL);
 625     prompt_msg_list = g_list_prepend(prompt_msg_list, p);
 626     prompt_show(p, NULL, FALSE);
 627 }