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
  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,
 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 = Window_Prompt;
 163     self->super.window = XCreateWindow(ob_display,
 164                                        RootWindow(ob_display, ob_screen),
 165                                        0, 0, 1, 1, 0,
 166                                        CopyFromParent, InputOutput,
 167                                        CopyFromParent,
 168                                        CWOverrideRedirect,
 169                                        &attrib);
 170
 171     /* make it a dialog type window */
 172     PROP_SET32(self->super.window, net_wm_window_type, atom,
 173                prop_atoms.net_wm_window_type_dialog);
 174
 175     /* listen for key presses on the window */
 176     self->event_mask = KeyPressMask;
 177
 178     /* set up the text message widow */
 179     self->msg.text = g_strdup(msg);
 180     self->msg.window = XCreateWindow(ob_display, self->super.window,
 181                                      0, 0, 1, 1, 0,
 182                                      CopyFromParent, InputOutput,
 183                                      CopyFromParent, 0, NULL);
 184     XMapWindow(ob_display, self->msg.window);
 185
 186     /* set up the buttons from the answers */
 187
 188     self->n_buttons = n_answers;
 189     if (!self->n_buttons)
 190         self->n_buttons = 1;
 191
 192     self->button = g_new0(ObPromptElement, self->n_buttons);
 193
 194     if (n_answers == 0) {
 195         g_assert(self->n_buttons == 1); /* should be set to this above.. */
 196         self->button[0].text = g_strdup(_("OK"));
 197     }
 198     else {
 199         g_assert(self->n_buttons > 0);
 200         for (i = 0; i < self->n_buttons; ++i) {
 201             self->button[i].text = g_strdup(answers[i].text);
 202             self->button[i].result = answers[i].result;
 203         }
 204     }
 205
 206     for (i = 0; i < self->n_buttons; ++i) {
 207         self->button[i].window = XCreateWindow(ob_display, self->super.window,
 208                                                0, 0, 1, 1, 0,
 209                                                CopyFromParent, InputOutput,
 210                                                CopyFromParent, 0, NULL);
 211         XMapWindow(ob_display, self->button[i].window);
 212         g_hash_table_insert(window_map, &self->button[i].window,
 213                             PROMPT_AS_WINDOW(self));
 214
 215         /* listen for button presses on the buttons */
 216         XSelectInput(ob_display, self->button[i].window,
 217                      ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
 218     }
 219
 220     prompt_list = g_list_prepend(prompt_list, self);
 221
 222     return self;
 223 }
 224
 225 void prompt_ref(ObPrompt *self)
 226 {
 227     ++self->ref;
 228 }
 229
 230 void prompt_unref(ObPrompt *self)
 231 {
 232     if (self && --self->ref == 0) {
 233         gint i;
 234
 235         if (self->mapped)
 236             prompt_hide(self);
 237
 238         prompt_list = g_list_remove(prompt_list, self);
 239
 240         for (i = 0; i < self->n_buttons; ++i) {
 241             g_hash_table_remove(window_map, &self->button[i].window);
 242             XDestroyWindow(ob_display, self->button[i].window);
 243         }
 244
 245         XDestroyWindow(ob_display, self->msg.window);
 246         XDestroyWindow(ob_display, self->super.window);
 247         g_free(self);
 248     }
 249 }
 250
 251 static void prompt_layout(ObPrompt *self)
 252 {
 253     gint l, r, t, b;
 254     gint i;
 255     gint allbuttonsw, allbuttonsh, buttonx;
 256     gint w, h;
 257     gint maxw;
 258
 259     RrMargins(prompt_a_bg, &l, &t, &r, &b);
 260     l += OUTSIDE_MARGIN;
 261     t += OUTSIDE_MARGIN;
 262     r += OUTSIDE_MARGIN;
 263     b += OUTSIDE_MARGIN;
 264
 265     {
 266         Rect *area = screen_physical_area_all_monitors();
 267         maxw = MIN(MAX_WIDTH, area->width*4/5);
 268         g_free(area);
 269     }
 270
 271     /* find the button sizes and how much space we need for them */
 272     allbuttonsw = allbuttonsh = 0;
 273     for (i = 0; i < self->n_buttons; ++i) {
 274         gint bw, bh;
 275
 276         prompt_a_button->texture[0].data.text.string = self->button[i].text;
 277         prompt_a_focus->texture[0].data.text.string = self->button[i].text;
 278         prompt_a_press->texture[0].data.text.string = self->button[i].text;
 279         prompt_a_pfocus->texture[0].data.text.string = self->button[i].text;
 280         RrMinSize(prompt_a_button, &bw, &bh);
 281         self->button[i].width = bw;
 282         self->button[i].height = bh;
 283         RrMinSize(prompt_a_focus, &bw, &bh);
 284         self->button[i].width = MAX(self->button[i].width, bw);
 285         self->button[i].height = MAX(self->button[i].height, bh);
 286         RrMinSize(prompt_a_press, &bw, &bh);
 287         self->button[i].width = MAX(self->button[i].width, bw);
 288         self->button[i].height = MAX(self->button[i].height, bh);
 289         RrMinSize(prompt_a_pfocus, &bw, &bh);
 290         self->button[i].width = MAX(self->button[i].width, bw);
 291         self->button[i].height = MAX(self->button[i].height, bh);
 292
 293
 294         self->button[i].width += BUTTON_HMARGIN * 2;
 295         self->button[i].height += BUTTON_VMARGIN * 2;
 296
 297         allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0);
 298         allbuttonsh = MAX(allbuttonsh, self->button[i].height);
 299     }
 300
 301     self->msg_wbound = MAX(allbuttonsw, maxw);
 302
 303     /* measure the text message area */
 304     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 305     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 306     RrMinSize(prompt_a_msg, &self->msg.width, &self->msg.height);
 307
 308     /* width and height inside the outer margins */
 309     w = MAX(self->msg.width, allbuttonsw);
 310     h = self->msg.height + MSG_BUTTON_SEPARATION + allbuttonsh;
 311
 312     /* position the text message */
 313     self->msg.x = l + (w - self->msg.width) / 2;
 314     self->msg.y = t;
 315
 316     /* position the button buttons on the right of the dialog */
 317     buttonx = l + w;
 318     for (i = self->n_buttons - 1; i >= 0; --i) {
 319         self->button[i].x = buttonx - self->button[i].width;
 320         buttonx -= self->button[i].width + BUTTON_SEPARATION;
 321         self->button[i].y = t + h - allbuttonsh;
 322         self->button[i].y += (allbuttonsh - self->button[i].height) / 2;
 323     }
 324
 325     /* size and position the toplevel window */
 326     prompt_resize(self, w + l + r, h + t + b);
 327
 328     /* move and resize the internal windows */
 329     XMoveResizeWindow(ob_display, self->msg.window,
 330                       self->msg.x, self->msg.y,
 331                       self->msg.width, self->msg.height);
 332     for (i = 0; i < self->n_buttons; ++i)
 333         XMoveResizeWindow(ob_display, self->button[i].window,
 334                           self->button[i].x, self->button[i].y,
 335                           self->button[i].width, self->button[i].height);
 336 }
 337
 338 static void prompt_resize(ObPrompt *self, gint w, gint h)
 339 {
 340     XConfigureRequestEvent req;
 341     XSizeHints hints;
 342
 343     self->width = w;
 344     self->height = h;
 345
 346     /* the user can't resize the prompt */
 347     hints.flags = PMinSize | PMaxSize;
 348     hints.min_width = hints.max_width = w;
 349     hints.min_height = hints.max_height = h;
 350     XSetWMNormalHints(ob_display, self->super.window, &hints);
 351
 352     if (self->mapped) {
 353         /* send a configure request like a normal client would */
 354         req.type = ConfigureRequest;
 355         req.display = ob_display;
 356         req.parent = RootWindow(ob_display, ob_screen);
 357         req.window = self->super.window;
 358         req.width = w;
 359         req.height = h;
 360         req.value_mask = CWWidth | CWHeight;
 361         XSendEvent(req.display, req.window, FALSE, StructureNotifyMask,
 362                    (XEvent*)&req);
 363     }
 364     else
 365         XResizeWindow(ob_display, self->super.window, w, h);
 366 }
 367
 368 static void setup_button_focus_tex(ObPromptElement *e, RrAppearance *a,
 369                                    gboolean on)
 370 {
 371     gint i, l, r, t, b;
 372
 373     for (i = 1; i < 5; ++i)
 374         a->texture[i].type = on ? RR_TEXTURE_LINE_ART : RR_TEXTURE_NONE;
 375
 376     if (!on) return;
 377
 378     RrMargins(a, &l, &t, &r, &b);
 379     l += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 380     r += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 381     t += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 382     b += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
 383
 384     /* top line */
 385     a->texture[1].data.lineart.x1 = l;
 386     a->texture[1].data.lineart.x2 = e->width - r - 1;
 387     a->texture[1].data.lineart.y1 = t;
 388     a->texture[1].data.lineart.y2 = t;
 389
 390     /* bottom line */
 391     a->texture[2].data.lineart.x1 = l;
 392     a->texture[2].data.lineart.x2 = e->width - r - 1;
 393     a->texture[2].data.lineart.y1 = e->height - b - 1;
 394     a->texture[2].data.lineart.y2 = e->height - b - 1;
 395
 396     /* left line */
 397     a->texture[3].data.lineart.x1 = l;
 398     a->texture[3].data.lineart.x2 = l;
 399     a->texture[3].data.lineart.y1 = t;
 400     a->texture[3].data.lineart.y2 = e->height - b - 1;
 401
 402     /* right line */
 403     a->texture[4].data.lineart.x1 = e->width - r - 1;
 404     a->texture[4].data.lineart.x2 = e->width - r - 1;
 405     a->texture[4].data.lineart.y1 = t;
 406     a->texture[4].data.lineart.y2 = e->height - b - 1;
 407 }
 408
 409 static void render_button(ObPrompt *self, ObPromptElement *e)
 410 {
 411     RrAppearance *a;
 412
 413     if (e->pressed && self->focus == e) a = prompt_a_pfocus;
 414     else if (self->focus == e)          a = prompt_a_focus;
 415     else if (e->pressed)                a = prompt_a_press;
 416     else                                a = prompt_a_button;
 417
 418     a->surface.parent = prompt_a_bg;
 419     a->surface.parentx = e->x;
 420     a->surface.parenty = e->y;
 421
 422     /* draw the keyfocus line */
 423     if (a == prompt_a_pfocus || a == prompt_a_focus)
 424         setup_button_focus_tex(e, a, TRUE);
 425
 426     a->texture[0].data.text.string = e->text;
 427     RrPaint(a, e->window, e->width, e->height);
 428
 429     /* turn off the keyfocus line so that it doesn't affect size calculations
 430      */
 431     if (a == prompt_a_pfocus || a == prompt_a_focus)
 432         setup_button_focus_tex(e, a, FALSE);
 433 }
 434
 435 static void render_all(ObPrompt *self)
 436 {
 437     gint i;
 438
 439     RrPaint(prompt_a_bg, self->super.window, self->width, self->height);
 440
 441     prompt_a_msg->surface.parent = prompt_a_bg;
 442     prompt_a_msg->surface.parentx = self->msg.x;
 443     prompt_a_msg->surface.parenty = self->msg.y;
 444
 445     prompt_a_msg->texture[0].data.text.string = self->msg.text;
 446     prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
 447     RrPaint(prompt_a_msg, self->msg.window, self->msg.width, self->msg.height);
 448
 449     for (i = 0; i < self->n_buttons; ++i)
 450         render_button(self, &self->button[i]);
 451 }
 452
 453 void prompt_show(ObPrompt *self, ObClient *parent, gboolean modal)
 454 {
 455     gint i;
 456
 457     if (self->mapped) {
 458         /* activate the prompt */
 459         PROP_MSG(self->super.window, net_active_window,
 460                  1, /* from an application.. */
 461                  event_curtime,
 462                  0,
 463                  0);
 464         return;
 465     }
 466
 467     /* set the focused button (if not found then the first button is used) */
 468     self->focus = &self->button[0];
 469     for (i = 0; i < self->n_buttons; ++i)
 470         if (self->button[i].result == self->default_result) {
 471             self->focus = &self->button[i];
 472             break;
 473         }
 474
 475     if (parent) {
 476         Atom states[1];
 477         gint nstates;
 478         Window p;
 479         XWMHints h;
 480
 481         if (parent->group) {
 482             /* make it transient for the window's group */
 483             h.flags = WindowGroupHint;
 484             h.window_group = parent->group->leader;
 485             p = RootWindow(ob_display, ob_screen);
 486         }
 487         else {
 488             /* make it transient for the window directly */
 489             h.flags = 0;
 490             p = parent->window;
 491         }
 492
 493         XSetWMHints(ob_display, self->super.window, &h);
 494         PROP_SET32(self->super.window, wm_transient_for, window, p);
 495
 496         states[0] = prop_atoms.net_wm_state_modal;
 497         nstates = (modal ? 1 : 0);
 498         PROP_SETA32(self->super.window, net_wm_state, atom, states, nstates);
 499     }
 500     else
 501         PROP_ERASE(self->super.window, wm_transient_for);
 502
 503     /* set up the dialog and render it */
 504     prompt_layout(self);
 505     render_all(self);
 506
 507     client_manage(self->super.window, self);
 508
 509     self->mapped = TRUE;
 510 }
 511
 512 void prompt_hide(ObPrompt *self)
 513 {
 514     XUnmapWindow(ob_display, self->super.window);
 515     self->mapped = FALSE;
 516 }
 517
 518 gboolean prompt_key_event(ObPrompt *self, XEvent *e)
 519 {
 520     gboolean shift;
 521     guint shift_mask;
 522
 523     if (e->type != KeyPress) return FALSE;
 524
 525     shift_mask = modkeys_key_to_mask(OB_MODKEY_KEY_SHIFT);
 526     shift = !!(e->xkey.state & shift_mask);
 527
 528     /* only accept shift */
 529     if (e->xkey.state != 0 && e->xkey.state != shift_mask)
 530         return FALSE;
 531
 532     if (e->xkey.keycode == ob_keycode(OB_KEY_ESCAPE))
 533         prompt_cancel(self);
 534     else if (e->xkey.keycode == ob_keycode(OB_KEY_RETURN) ||
 535              e->xkey.keycode == ob_keycode(OB_KEY_SPACE))
 536     {
 537         prompt_run_callback(self, self->focus->result);
 538     }
 539     else if (e->xkey.keycode == ob_keycode(OB_KEY_TAB) ||
 540              e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 541              e->xkey.keycode == ob_keycode(OB_KEY_RIGHT))
 542     {
 543         gint i;
 544         gboolean left;
 545         ObPromptElement *oldfocus;
 546
 547         left = e->xkey.keycode == ob_keycode(OB_KEY_LEFT) ||
 548             (e->xkey.keycode == ob_keycode(OB_KEY_TAB) && shift);
 549         oldfocus = self->focus;
 550
 551         for (i = 0; i < self->n_buttons; ++i)
 552             if (self->focus == &self->button[i]) break;
 553         i += (left ? -1 : 1);
 554         if (i < 0) i = self->n_buttons - 1;
 555         else if (i >= self->n_buttons) i = 0;
 556         self->focus = &self->button[i];
 557
 558         if (oldfocus != self->focus) render_button(self, oldfocus);
 559         render_button(self, self->focus);
 560     }
 561     return TRUE;
 562 }
 563
 564 gboolean prompt_mouse_event(ObPrompt *self, XEvent *e)
 565 {
 566     gint i;
 567     ObPromptElement *but;
 568
 569     if (e->type != ButtonPress && e->type != ButtonRelease &&
 570         e->type != MotionNotify) return FALSE;
 571
 572     /* find the button */
 573     but = NULL;
 574     for (i = 0; i < self->n_buttons; ++i)
 575         if (self->button[i].window ==
 576             (e->type == MotionNotify ? e->xmotion.window : e->xbutton.window))
 577         {
 578             but = &self->button[i];
 579             break;
 580         }
 581     if (!but) return FALSE;
 582
 583     if (e->type == ButtonPress) {
 584         ObPromptElement *oldfocus;
 585
 586         oldfocus = self->focus;
 587
 588         but->pressed = TRUE;
 589         self->focus = but;
 590
 591         if (oldfocus != but) render_button(self, oldfocus);
 592         render_button(self, but);
 593     }
 594     else if (e->type == ButtonRelease) {
 595         if (but->pressed)
 596             prompt_run_callback(self, but->result);
 597     }
 598     else if (e->type == MotionNotify) {
 599         gboolean press;
 600
 601         press = (e->xmotion.x >= 0 && e->xmotion.y >= 0 &&
 602                  e->xmotion.x < but->width && e->xmotion.y < but->height);
 603
 604         if (press != but->pressed) {
 605             but->pressed = press;
 606             render_button(self, but);
 607         }
 608     }
 609     return TRUE;
 610 }
 611
 612 void prompt_cancel(ObPrompt *self)
 613 {
 614     prompt_run_callback(self, self->cancel_result);
 615 }
 616
 617 static gboolean prompt_show_message_cb(ObPrompt *p, int res, gpointer data)
 618 {
 619     return TRUE; /* call the cleanup func */
 620 }
 621
 622 static void prompt_show_message_cleanup(ObPrompt *p, gpointer data)
 623 {
 624     prompt_unref(p);
 625 }
 626
 627 void prompt_show_message(const gchar *msg, const gchar *answer)
 628 {
 629     ObPrompt *p;
 630     ObPromptAnswer ans[] = {
 631         { answer, 0 }
 632     };
 633
 634     p = prompt_new(msg, ans, 1, 0, 0,
 635                    prompt_show_message_cb, prompt_show_message_cleanup, NULL);
 636     prompt_show(p, NULL, FALSE);
 637 }
 638
 639 static void prompt_run_callback(ObPrompt *self, gint result)
 640 {
 641     prompt_ref(self);
 642     if (self->func) {
 643         gboolean clean = self->func(self, self->focus->result, self->data);
 644         if (clean && self->cleanup)
 645             self->cleanup(self, self->data);
 646     }
 647     prompt_hide(self);
 648     prompt_unref(self);
 649 }