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 "client.h"
  23 #include "group.h"
  24 #include "event.h"
  25 #include "obt/display.h"
  26 #include "obt/keyboard.h"
  27 #include "obt/prop.h"
  28 #include "gettext.h"
  29
  30 static GList *prompt_list = NULL;
  31
  32 /* we construct these */
  33 static RrAppearance *prompt_a_bg;
  34 static RrAppearance *prompt_a_button;
  35 static RrAppearance *prompt_a_focus;
  36 static RrAppearance *prompt_a_press;
  37 static RrAppearance *prompt_a_pfocus;
  38 /* we change the max width which would screw with others */
  39 static RrAppearance *prompt_a_msg;
  40
  41 /* sizing stuff */
  42 #define OUTSIDE_MARGIN 4
  43 #define MSG_BUTTON_SEPARATION 4
  44 #define BUTTON_SEPARATION 4
  45 #define BUTTON_VMARGIN 4
  46 #define BUTTON_HMARGIN 12
  47 #define MAX_WIDTH 400
  48
  49 static void prompt_layout(ObPrompt *self);
  50 static void render_all(ObPrompt *self);
  51 static void render_button(ObPrompt *self, ObPromptElement *e);
  52 static void prompt_resize(ObPrompt *self, gint w, gint h);
  53 static void prompt_run_callback(ObPrompt *self, gint result);
  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     GList *it;
 126
 127     if (!reconfig) {
 128         for (it = prompt_list; it; it = g_list_next(it)) {
 129             ObPrompt *p = it->data;
 130             if (p->cleanup) p->cleanup(p, p->data);
 131         }
 132
 133         g_assert(prompt_list == NULL);
 134     }
 135
 136     RrAppearanceFree(prompt_a_button);
 137     RrAppearanceFree(prompt_a_focus);
 138     RrAppearanceFree(prompt_a_press);
 139     RrAppearanceFree(prompt_a_pfocus);
 140     RrAppearanceFree(prompt_a_msg);
 141 }
 142
 143 ObPrompt* prompt_new(const gchar *msg, const gchar *title,
 144                      const ObPromptAnswer *answers, gint n_answers,
 145                      gint default_result, gint cancel_result,
 146                      ObPromptCallback func, ObPromptCleanup cleanup,
 147                      gpointer data)
 148 {
 149     ObPrompt *self;
 150     XSetWindowAttributes attrib;
 151     gint i;
 152
 153     attrib.override_redirect = FALSE;
 154
 155     self = g_new0(ObPrompt, 1);
 156     self->ref = 1;
 157     self->func = func;
 158     self->cleanup = cleanup;
 159     self->data = data;
 160     self->default_result = default_result;
 161     self->cancel_result = cancel_result;
 162     self->super.type = OB_WINDOW_CLASS_PROMPT;
 163     self->super.window = XCreateWindow(obt_display, obt_root(ob_screen),
 164                                        0, 0, 1, 1, 0,
 165                                        CopyFromParent, InputOutput,
 166                                        CopyFromParent,
 167                                        CWOverrideRedirect,
 168                                        &attrib);
 169
 170     /* make it a dialog type window */
 171     OBT_PROP_SET32(self->super.window, NET_WM_WINDOW_TYPE, ATOM,
 172                    OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG));
 173
 174     /* set the window's title */
 175     if (title)
 176         OBT_PROP_SETS(self->super.window, NET_WM_NAME, utf8, title);
 177
 178     /* listen for key presses on the window */
 179     self->event_mask = KeyPressMask;
 180
 181     /* set up the text message widow */
 182     self->msg.text = g_strdup(msg);
 183     self->msg.window = XCreateWindow(obt_display, self->super.window,
 184                                      0, 0, 1, 1, 0,
 185                                      CopyFromParent, InputOutput,
 186                                      CopyFromParent, 0, NULL);
 187     XMapWindow(obt_display, self->msg.window);
 188
 189     /* set up the buttons from the answers */
 190
 191     self->n_buttons = n_answers;
 192     if (!self->n_buttons)
 193         self->n_buttons = 1;
 194
 195     self->button = g_new0(ObPromptElement, self->n_buttons);
 196
 197     if (n_answers == 0) {
 198         g_assert(self->n_buttons == 1); /* should be set to this above.. */
 199         self->button[0].text = g_strdup(_("OK"));
 200     }
 201     else {
 202         g_assert(self->n_buttons > 0);
 203         for (i = 0; i < self->n_buttons; ++i) {
 204             self->button[i].text = g_strdup(answers[i].text);
 205             self->button[i].result = answers[i].result;
 206         }
 207     }
 208
 209     for (i = 0; i < self->n_buttons; ++i) {
 210         self->button[i].window = XCreateWindow(obt_display, self->super.window,
 211                                                0, 0, 1, 1, 0,
 212                                                CopyFromParent, InputOutput,
 213                                                CopyFromParent, 0, NULL);
 214         XMapWindow(obt_display, self->button[i].window);
 215         window_add(&self->button[i].window, PROMPT_AS_WINDOW(self));
 216
 217         /* listen for button presses on the buttons */
 218         XSelectInput(obt_display, self->button[i].window,
 219                      ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
 220     }
 221
 222     prompt_list = g_list_prepend(prompt_list, self);
 223
 224     return self;
 225 }
 226
 227 void prompt_ref(ObPrompt *self)
 228 {
 229     ++self->ref;
 230 }
 231
 232 void prompt_unref(ObPrompt *self)
 233 {
 234     if (self && --self->ref == 0) {
 235         gint i;
 236
 237         if (self->mapped)
 238             prompt_hide(self);
 239
 240         prompt_list = g_list_remove(prompt_list, self);
 241
 242         for (i = 0; i < self->n_buttons; ++i) {
 243             window_remove(self->button[i].window);
 244             XDestroyWindow(obt_display, self->button[i].window);
 245         }
 246
 247         XDestroyWindow(obt_display, self->msg.window);
 248         XDestroyWindow(obt_display, self->super.window);
 249         g_free(self);
 250     }
 251 }
 252
 253 static void prompt_layout(ObPrompt *self)
 254 {
 255     gint l, r, t, b;
 256     gint i;
 257     gint allbuttonsw, allbuttonsh, buttonx;
 258     gint w, h;
 259     gint maxw;
 260
 261     RrMargins(prompt_a_bg, &l, &t, &r, &b);
 262     l += OUTSIDE_MARGIN;
 263     t += OUTSIDE_MARGIN;
 264     r += OUTSIDE_MARGIN;
 265     b += OUTSIDE_MARGIN;
 266
 267     {
 268         Rect *area = screen_physical_area_all_monitors();
 269         maxw = MIN(MAX_WIDTH, area->width*4/5);
 270         g_free(area);
 271     }
 272
 273     /* find the button sizes and how much space we need for them */
 274     allbuttonsw = allbuttonsh = 0;
 275     for (i = 0; i < self->n_buttons; ++i) {
 276         gint bw, bh;
 277
 278         prompt_a_button->texture[0].data.text.string = self->button[i].text;
 279         prompt_a_focus->texture[0].data.text.string = self->button[i].text;
 280         prompt_a_press->texture[0].data.text.string = self->button[i].text;
 281         prompt_a_pfocus->texture[0].data.text.string = self->button[i].text;
 282         RrMinSize(prompt_a_button, &bw, &bh);
 283         self->button[i].width = bw;
 284         self->button[i].height = bh;
 285         RrMinSize(prompt_a_focus, &bw, &bh);
 286         self->button[i].width = MAX(self->button[i].width, bw);
 287         self->button[i].height = MAX(self->button[i].height, bh);
 288         RrMinSize(prompt_a_press, &bw, &bh);
 289         self->button[i].width = MAX(self->button[i].width, bw);
 290         self->button[i].height = MAX(self->button[i].height, bh);
 291         RrMinSize(prompt_a_pfocus, &bw, &bh);
 292         self->button[i].width = MAX(self->button[i].width, bw);
 293         self->button[i].height = MAX(self->button[i].height, bh);
 294
 295
 296         self->button[i].width += BUTTON_HMARGIN * 2;
 297         self->button[i].height += BUTTON_VMARGIN * 2;
 298
 299         allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0);
 300         allbuttonsh = MAX(allbuttonsh, self->button[i].height);
 301     }
 302
 303     self->msg_wbound = MAX(allbuttonsw, maxw);
 304
 305     /* measure the text message area */
 306     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 307     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 308     RrMinSize(prompt_a_msg, &self->msg.width, &self->msg.height);
 309
 310     /* width and height inside the outer margins */
 311     w = MAX(self->msg.width, allbuttonsw);
 312     h = self->msg.height + MSG_BUTTON_SEPARATION + allbuttonsh;
 313
 314     /* position the text message */
 315     self->msg.x = l + (w - self->msg.width) / 2;
 316     self->msg.y = t;
 317
 318     /* position the button buttons on the right of the dialog */
 319     buttonx = l + w;
 320     for (i = self->n_buttons - 1; i >= 0; --i) {
 321         self->button[i].x = buttonx - self->button[i].width;
 322         buttonx -= self->button[i].width + BUTTON_SEPARATION;
 323         self->button[i].y = t + h - allbuttonsh;
 324         self->button[i].y += (allbuttonsh - self->button[i].height) / 2;
 325     }
 326
 327     /* size and position the toplevel window */
 328     prompt_resize(self, w + l + r, h + t + b);
 329
 330     /* move and resize the internal windows */
 331     XMoveResizeWindow(obt_display, self->msg.window,
 332                       self->msg.x, self->msg.y,
 333                       self->msg.width, self->msg.height);
 334     for (i = 0; i < self->n_buttons; ++i)
 335         XMoveResizeWindow(obt_display, self->button[i].window,
 336                           self->button[i].x, self->button[i].y,
 337                           self->button[i].width, self->button[i].height);
 338 }
 339
 340 static void prompt_resize(ObPrompt *self, gint w, gint h)
 341 {
 342     XConfigureRequestEvent req;
 343     XSizeHints hints;
 344
 345     self->width = w;
 346     self->height = h;
 347
 348     /* the user can't resize the prompt */
 349     hints.flags = PMinSize | PMaxSize;
 350     hints.min_width = hints.max_width = w;
 351     hints.min_height = hints.max_height = h;
 352     XSetWMNormalHints(obt_display, self->super.window, &hints);
 353
 354     if (self->mapped) {
 355         /* send a configure request like a normal client would */
 356         req.type = ConfigureRequest;
 357         req.display = obt_display;
 358         req.parent = obt_root(ob_screen);
 359         req.window = self->super.window;
 360         req.width = w;
 361         req.height = h;
 362         req.value_mask = CWWidth | CWHeight;
 363         XSendEvent(req.display, req.window, FALSE, StructureNotifyMask,
 364                    (XEvent*)&req);
 365     }
 366     else
 367         XResizeWindow(obt_display, self->super.window, w, h);
 368 }
 369
 370 static void setup_button_focus_tex(ObPromptElement *e, RrAppearance *a,
 371                                    gboolean on)
 372 {
 373     gint i, l, r, t, b;
 374
 375     for (i = 1; i < 5; ++i)
 376         a->texture[i].type = on ? RR_TEXTURE_LINE_ART : RR_TEXTURE_NONE;
 377
 378     if (!on) return;
 379
 380     RrMargins(a, &l, &t, &r, &b);
 381     l += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 382     r += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 383     t += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 384     b += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 385
 386     /* top line */
 387     a->texture[1].data.lineart.x1 = l;
 388     a->texture[1].data.lineart.x2 = e->width - r - 1;
 389     a->texture[1].data.lineart.y1 = t;
 390     a->texture[1].data.lineart.y2 = t;
 391
 392     /* bottom line */
 393     a->texture[2].data.lineart.x1 = l;
 394     a->texture[2].data.lineart.x2 = e->width - r - 1;
 395     a->texture[2].data.lineart.y1 = e->height - b - 1;
 396     a->texture[2].data.lineart.y2 = e->height - b - 1;
 397
 398     /* left line */
 399     a->texture[3].data.lineart.x1 = l;
 400     a->texture[3].data.lineart.x2 = l;
 401     a->texture[3].data.lineart.y1 = t;
 402     a->texture[3].data.lineart.y2 = e->height - b - 1;
 403
 404     /* right line */
 405     a->texture[4].data.lineart.x1 = e->width - r - 1;
 406     a->texture[4].data.lineart.x2 = e->width - r - 1;
 407     a->texture[4].data.lineart.y1 = t;
 408     a->texture[4].data.lineart.y2 = e->height - b - 1;
 409 }
 410
 411 static void render_button(ObPrompt *self, ObPromptElement *e)
 412 {
 413     RrAppearance *a;
 414
 415     if (e->pressed && self->focus == e) a = prompt_a_pfocus;
 416     else if (self->focus == e)          a = prompt_a_focus;
 417     else if (e->pressed)                a = prompt_a_press;
 418     else                                a = prompt_a_button;
 419
 420     a->surface.parent = prompt_a_bg;
 421     a->surface.parentx = e->x;
 422     a->surface.parenty = e->y;
 423
 424     /* draw the keyfocus line */
 425     if (a == prompt_a_pfocus || a == prompt_a_focus)
 426         setup_button_focus_tex(e, a, TRUE);
 427
 428     a->texture[0].data.text.string = e->text;
 429     RrPaint(a, e->window, e->width, e->height);
 430
 431     /* turn off the keyfocus line so that it doesn't affect size calculations
 432      */
 433     if (a == prompt_a_pfocus || a == prompt_a_focus)
 434         setup_button_focus_tex(e, a, FALSE);
 435 }
 436
 437 static void render_all(ObPrompt *self)
 438 {
 439     gint i;
 440
 441     RrPaint(prompt_a_bg, self->super.window, self->width, self->height);
 442
 443     prompt_a_msg->surface.parent = prompt_a_bg;
 444     prompt_a_msg->surface.parentx = self->msg.x;
 445     prompt_a_msg->surface.parenty = self->msg.y;
 446
 447     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 448     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 449     RrPaint(prompt_a_msg, self->msg.window, self->msg.width, self->msg.height);
 450
 451     for (i = 0; i < self->n_buttons; ++i)
 452         render_button(self, &self->button[i]);
 453 }
 454
 455 void prompt_show(ObPrompt *self, ObClient *parent, gboolean modal)
 456 {
 457     gint i;
 458
 459     if (self->mapped) {
 460         /* activate the prompt */
 461         OBT_PROP_MSG(ob_screen, self->super.window, NET_ACTIVE_WINDOW,
 462                      1, /* from an application.. */
 463                      event_curtime,
 464                      0,
 465                      0, 0);
 466         return;
 467     }
 468
 469     /* set the focused button (if not found then the first button is used) */
 470     self->focus = &self->button[0];
 471     for (i = 0; i < self->n_buttons; ++i)
 472         if (self->button[i].result == self->default_result) {
 473             self->focus = &self->button[i];
 474             break;
 475         }
 476
 477     if (parent) {
 478         Atom states[1];
 479         gint nstates;
 480         Window p;
 481         XWMHints h;
 482
 483         if (parent->group) {
 484             /* make it transient for the window's group */
 485             h.flags = WindowGroupHint;
 486             h.window_group = parent->group->leader;
 487             p = obt_root(ob_screen);
 488         }
 489         else {
 490             /* make it transient for the window directly */
 491             h.flags = 0;
 492             p = parent->window;
 493         }
 494
 495         XSetWMHints(obt_display, self->super.window, &h);
 496         OBT_PROP_SET32(self->super.window, WM_TRANSIENT_FOR, WINDOW, p);
 497
 498         states[0] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
 499         nstates = (modal ? 1 : 0);
 500         OBT_PROP_SETA32(self->super.window, NET_WM_STATE, ATOM,
 501                         states, nstates);
 502     }
 503     else
 504         OBT_PROP_ERASE(self->super.window, WM_TRANSIENT_FOR);
 505
 506     /* set up the dialog and render it */
 507     prompt_layout(self);
 508     render_all(self);
 509
 510     client_manage(self->super.window, self);
 511
 512     self->mapped = TRUE;
 513 }
 514
 515 void prompt_hide(ObPrompt *self)
 516 {
 517     XUnmapWindow(obt_display, self->super.window);
 518     self->mapped = FALSE;
 519 }
 520
 521 gboolean prompt_key_event(ObPrompt *self, XEvent *e)
 522 {
 523     gboolean shift;
 524     guint shift_mask;
 525
 526     if (e->type != KeyPress) return FALSE;
 527
 528     shift_mask = obt_keyboard_modkey_to_modmask(OBT_KEYBOARD_MODKEY_SHIFT);
 529     shift = !!(e->xkey.state & shift_mask);
 530
 531     /* only accept shift */
 532     if (e->xkey.state != 0 && e->xkey.state != shift_mask)
 533         return FALSE;
 534
 535     if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 536         prompt_cancel(self);
 537     else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN) ||
 538              e->xkey.keycode == ob_keycode(OB_KEY_SPACE))
 539     {
 540         prompt_run_callback(self, self->focus->result);
 541     }
 542     else if (e->xkey.keycode == ob_keycode(OB_KEY_TAB) ||
 543              e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 544              e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 545     {
 546         gint i;
 547         gboolean left;
 548         ObPromptElement *oldfocus;
 549
 550         left = e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 551             (e->xkey.keycode == ob_keycode(OB_KEY_TAB) && shift);
 552         oldfocus = self->focus;
 553
 554         for (i = 0; i < self->n_buttons; ++i)
 555             if (self->focus == &self->button[i]) break;
 556         i += (left ? -1 : 1);
 557         if (i < 0) i = self->n_buttons - 1;
 558         else if (i >= self->n_buttons) i = 0;
 559         self->focus = &self->button[i];
 560
 561         if (oldfocus != self->focus) render_button(self, oldfocus);
 562         render_button(self, self->focus);
 563     }
 564     return TRUE;
 565 }
 566
 567 gboolean prompt_mouse_event(ObPrompt *self, XEvent *e)
 568 {
 569     gint i;
 570     ObPromptElement *but;
 571
 572     if (e->type != ButtonPress && e->type != ButtonRelease &&
 573         e->type != MotionNotify) return FALSE;
 574
 575     /* find the button */
 576     but = NULL;
 577     for (i = 0; i < self->n_buttons; ++i)
 578         if (self->button[i].window ==
 579             (e->type == MotionNotify ? e->xmotion.window : e->xbutton.window))
 580         {
 581             but = &self->button[i];
 582             break;
 583         }
 584     if (!but) return FALSE;
 585
 586     if (e->type == ButtonPress) {
 587         ObPromptElement *oldfocus;
 588
 589         oldfocus = self->focus;
 590
 591         but->pressed = TRUE;
 592         self->focus = but;
 593
 594         if (oldfocus != but) render_button(self, oldfocus);
 595         render_button(self, but);
 596     }
 597     else if (e->type == ButtonRelease) {
 598         if (but->pressed)
 599             prompt_run_callback(self, but->result);
 600     }
 601     else if (e->type == MotionNotify) {
 602         gboolean press;
 603
 604         press = (e->xmotion.x >= 0 && e->xmotion.y >= 0 &&
 605                  e->xmotion.x < but->width && e->xmotion.y < but->height);
 606
 607         if (press != but->pressed) {
 608             but->pressed = press;
 609             render_button(self, but);
 610         }
 611     }
 612     return TRUE;
 613 }
 614
 615 void prompt_cancel(ObPrompt *self)
 616 {
 617     prompt_run_callback(self, self->cancel_result);
 618 }
 619
 620 static gboolean prompt_show_message_cb(ObPrompt *p, int res, gpointer data)
 621 {
 622     return TRUE; /* call the cleanup func */
 623 }
 624
 625 static void prompt_show_message_cleanup(ObPrompt *p, gpointer data)
 626 {
 627     prompt_unref(p);
 628 }
 629
 630 ObPrompt* prompt_show_message(const gchar *msg, const gchar *title,
 631                               const gchar *answer)
 632 {
 633     ObPrompt *p;
 634     ObPromptAnswer ans[] = {
 635         { answer, 0 }
 636     };
 637
 638     p = prompt_new(msg, title, ans, 1, 0, 0,
 639                    prompt_show_message_cb, prompt_show_message_cleanup, NULL);
 640     prompt_show(p, NULL, FALSE);
 641     return p;
 642 }
 643
 644 static void prompt_run_callback(ObPrompt *self, gint result)
 645 {
 646     prompt_ref(self);
 647     if (self->func) {
 648         gboolean clean = self->func(self, self->focus->result, self->data);
 649         if (clean && self->cleanup)
 650             self->cleanup(self, self->data);
 651     }
 652     prompt_hide(self);
 653     prompt_unref(self);
 654 }