X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fprompt.c;h=88c74b68d048baf3519a753303b547be07e4b7c0;hb=HEAD;hp=381524118fb0b5199fb75111456ffcef52499e9f;hpb=c313b219a226c3b968ff312b96120eef0c527d91;p=chaz%2Fopenbox

diff --git a/openbox/prompt.c b/openbox/prompt.c
index 38152411..88c74b68 100644
--- a/openbox/prompt.c
+++ b/openbox/prompt.c
@@ -19,114 +19,163 @@
 #include "prompt.h"
 #include "openbox.h"
 #include "screen.h"
-#include "openbox.h"
+#include "client.h"
+#include "group.h"
+#include "event.h"
+#include "obt/display.h"
+#include "obt/keyboard.h"
+#include "obt/prop.h"
 #include "gettext.h"
 
 static GList *prompt_list = NULL;
 
 /* we construct these */
+static RrAppearance *prompt_a_bg;
 static RrAppearance *prompt_a_button;
-static RrAppearance *prompt_a_hover;
+static RrAppearance *prompt_a_focus;
 static RrAppearance *prompt_a_press;
-
-#define msg_appearance(self) (ob_rr_theme->osd_hilite_label)
+/* we change the max width which would screw with others */
+static RrAppearance *prompt_a_msg;
+
+/* sizing stuff */
+#define OUTSIDE_MARGIN 4
+#define MSG_BUTTON_SEPARATION 4
+#define BUTTON_SEPARATION 4
+#define BUTTON_VMARGIN 4
+#define BUTTON_HMARGIN 12
+#define MAX_WIDTH 400
+
+static void prompt_layout(ObPrompt *self);
+static void render_all(ObPrompt *self);
+static void render_button(ObPrompt *self, ObPromptElement *e);
+static void prompt_resize(ObPrompt *self, gint w, gint h);
+static void prompt_run_callback(ObPrompt *self, gint result);
 
 void prompt_startup(gboolean reconfig)
 {
-    RrColor *c_button, *c_hover, *c_press;
-
-    prompt_a_button = RrAppearanceCopy(ob_rr_theme->a_focused_unpressed_close);
-    prompt_a_hover = RrAppearanceCopy(ob_rr_theme->a_hover_focused_close);
-    prompt_a_press = RrAppearanceCopy(ob_rr_theme->a_focused_pressed_close);
-
-    c_button = prompt_a_button->texture[0].data.mask.color;
-    c_hover = prompt_a_button->texture[0].data.mask.color;
-    c_press = prompt_a_button->texture[0].data.mask.color;
-
-    RrAppearanceRemoveTextures(prompt_a_button);
-    RrAppearanceRemoveTextures(prompt_a_hover);
-    RrAppearanceRemoveTextures(prompt_a_press);
-
-    RrAppearanceAddTextures(prompt_a_button, 1);
-    RrAppearanceAddTextures(prompt_a_hover, 1);
-    RrAppearanceAddTextures(prompt_a_press, 1);
-
-    /* totally cheating here.. */
-    prompt_a_button->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
-    prompt_a_hover->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
-    prompt_a_press->texture[0] = ob_rr_theme->osd_hilite_label->texture[0];
-
-    prompt_a_button->texture[0].data.text.color = c_button;
-    prompt_a_hover->texture[0].data.text.color = c_hover;
-    prompt_a_press->texture[0].data.text.color = c_press;
+    /* note: this is not a copy, don't free it */
+    prompt_a_bg = ob_rr_theme->osd_bg;
+
+    prompt_a_button = RrAppearanceCopy(ob_rr_theme->osd_unpressed_button);
+    prompt_a_focus = RrAppearanceCopy(ob_rr_theme->osd_focused_button);
+    prompt_a_press = RrAppearanceCopy(ob_rr_theme->osd_pressed_button);    
+
+    prompt_a_msg = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
+    prompt_a_msg->texture[0].data.text.flow = TRUE;
+
+    if (reconfig) {
+        GList *it;
+        for (it = prompt_list; it; it = g_list_next(it)) {
+            ObPrompt *p = it->data;
+            prompt_layout(p);
+            render_all(p);
+        }
+    }
 }
 
 void prompt_shutdown(gboolean reconfig)
 {
+    GList *it, *next;
+
+    if (!reconfig) {
+        for (it = prompt_list; it; it = next) {
+            ObPrompt *p = it->data;
+            next = it->next;
+            if (p->cleanup) p->cleanup(p, p->data);
+        }
+
+        g_assert(prompt_list == NULL);
+    }
+
     RrAppearanceFree(prompt_a_button);
-    RrAppearanceFree(prompt_a_hover);
+    RrAppearanceFree(prompt_a_focus);
     RrAppearanceFree(prompt_a_press);
+    RrAppearanceFree(prompt_a_msg);
 }
 
-ObPrompt* prompt_new(const gchar *msg, const gchar *const *answers)
+ObPrompt* prompt_new(const gchar *msg, const gchar *title,
+                     const ObPromptAnswer *answers, gint n_answers,
+                     gint default_result, gint cancel_result,
+                     ObPromptCallback func, ObPromptCleanup cleanup,
+                     gpointer data)
 {
     ObPrompt *self;
     XSetWindowAttributes attrib;
-    guint i;
-    const gchar *const *c;
+    gint i;
 
-    attrib.override_redirect = TRUE;
+    attrib.override_redirect = FALSE;
 
-    self = g_new0(ObPrompt, 1);
+    self = g_slice_new0(ObPrompt);
     self->ref = 1;
-    self->super.type = Window_Prompt;
-    self->super.window = XCreateWindow(ob_display,
-                                       RootWindow(ob_display, ob_screen),
+    self->func = func;
+    self->cleanup = cleanup;
+    self->data = data;
+    self->default_result = default_result;
+    self->cancel_result = cancel_result;
+    self->super.type = OB_WINDOW_CLASS_PROMPT;
+    self->super.window = XCreateWindow(obt_display, obt_root(ob_screen),
                                        0, 0, 1, 1, 0,
                                        CopyFromParent, InputOutput,
                                        CopyFromParent,
-                                       CWOverrideRedirect, &attrib);
-    g_hash_table_insert(window_map, &self->super.window,
-                        PROMPT_AS_WINDOW(self));
+                                       CWOverrideRedirect,
+                                       &attrib);
+    self->ic = obt_keyboard_context_new(self->super.window,
+                                        self->super.window);
+
+    /* make it a dialog type window */
+    OBT_PROP_SET32(self->super.window, NET_WM_WINDOW_TYPE, ATOM,
+                   OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DIALOG));
 
-    self->a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
+    /* set the window's title */
+    if (title)
+        OBT_PROP_SETS(self->super.window, NET_WM_NAME, title);
 
+    /* listen for key presses on the window */
+    self->event_mask = KeyPressMask;
+
+    /* set up the text message widow */
     self->msg.text = g_strdup(msg);
-    self->msg.window = XCreateWindow(ob_display, self->super.window,
+    self->msg.window = XCreateWindow(obt_display, self->super.window,
                                      0, 0, 1, 1, 0,
                                      CopyFromParent, InputOutput,
                                      CopyFromParent, 0, NULL);
-    XMapWindow(ob_display, self->msg.window);
+    XMapWindow(obt_display, self->msg.window);
 
-    self->n_buttons = 0;
-    for (c = answers; *c != NULL; ++c)
-        ++self->n_buttons;
+    /* set up the buttons from the answers */
 
+    self->n_buttons = n_answers;
     if (!self->n_buttons)
         self->n_buttons = 1;
 
-    self->button = g_new(ObPromptElement, self->n_buttons);
+    self->button = g_new0(ObPromptElement, self->n_buttons);
 
-    if (!answers) {
+    if (n_answers == 0) {
         g_assert(self->n_buttons == 1); /* should be set to this above.. */
         self->button[0].text = g_strdup(_("OK"));
     }
     else {
         g_assert(self->n_buttons > 0);
-        for (i = 0; i < self->n_buttons; ++i)
-            self->button[i].text = g_strdup(answers[i]);
+        for (i = 0; i < self->n_buttons; ++i) {
+            self->button[i].text = g_strdup(answers[i].text);
+            self->button[i].result = answers[i].result;
+        }
     }
 
     for (i = 0; i < self->n_buttons; ++i) {
-        self->button[i].window = XCreateWindow(ob_display, self->super.window,
+        self->button[i].window = XCreateWindow(obt_display, self->super.window,
                                                0, 0, 1, 1, 0,
                                                CopyFromParent, InputOutput,
                                                CopyFromParent, 0, NULL);
-        XMapWindow(ob_display, self->button[i].window);
-        g_hash_table_insert(window_map, &self->button[i].window,
-                            PROMPT_AS_WINDOW(self));
+        XMapWindow(obt_display, self->button[i].window);
+        window_add(&self->button[i].window, PROMPT_AS_WINDOW(self));
+
+        /* listen for button presses on the buttons */
+        XSelectInput(obt_display, self->button[i].window,
+                     ButtonPressMask | ButtonReleaseMask | ButtonMotionMask);
     }
 
+    prompt_list = g_list_prepend(prompt_list, self);
+
     return self;
 }
 
@@ -138,70 +187,76 @@ void prompt_ref(ObPrompt *self)
 void prompt_unref(ObPrompt *self)
 {
     if (self && --self->ref == 0) {
-        guint i;
+        gint i;
 
-        for (i = 0; i < self->n_buttons; ++i) {
-            g_hash_table_remove(window_map, &self->button[i].window);
-            XDestroyWindow(ob_display, self->button[i].window);
-        }
+        if (self->mapped)
+            prompt_hide(self);
+
+        prompt_list = g_list_remove(prompt_list, self);
 
-        XDestroyWindow(ob_display, self->msg.window);
+        obt_keyboard_context_unref(self->ic);
 
-        RrAppearanceFree(self->a_bg);
+        for (i = 0; i < self->n_buttons; ++i) {
+            window_remove(self->button[i].window);
+            XDestroyWindow(obt_display, self->button[i].window);
+        }
 
-        g_hash_table_remove(window_map, &self->super.window);
-        XDestroyWindow(ob_display, self->super.window);
-        g_free(self);
+        XDestroyWindow(obt_display, self->msg.window);
+        XDestroyWindow(obt_display, self->super.window);
+        g_slice_free(ObPrompt, self);
     }
 }
 
-static void prompt_layout(ObPrompt *self, const Rect *area)
+static void prompt_layout(ObPrompt *self)
 {
-    RrAppearance *a_msg = msg_appearance(self);
     gint l, r, t, b;
-    guint i;
+    gint i;
     gint allbuttonsw, allbuttonsh, buttonx;
     gint w, h;
+    gint maxw;
 
-    const gint OUTSIDE_MARGIN = 4;
-    const gint MSG_BUTTON_SEPARATION = 4;
-    const gint BUTTON_SEPARATION = 4;
-
-    RrMargins(self->a_bg, &l, &t, &r, &b);
+    RrMargins(prompt_a_bg, &l, &t, &r, &b);
     l += OUTSIDE_MARGIN;
     t += OUTSIDE_MARGIN;
     r += OUTSIDE_MARGIN;
     b += OUTSIDE_MARGIN;
 
+    {
+        const Rect *area = screen_physical_area_all_monitors();
+        maxw = MIN(MAX_WIDTH, area->width*4/5);
+    }
+
     /* find the button sizes and how much space we need for them */
     allbuttonsw = allbuttonsh = 0;
     for (i = 0; i < self->n_buttons; ++i) {
         gint bw, bh;
 
         prompt_a_button->texture[0].data.text.string = self->button[i].text;
-        prompt_a_hover->texture[0].data.text.string = self->button[i].text;
+        prompt_a_focus->texture[0].data.text.string = self->button[i].text;
         prompt_a_press->texture[0].data.text.string = self->button[i].text;
         RrMinSize(prompt_a_button, &bw, &bh);
         self->button[i].width = bw;
         self->button[i].height = bh;
-        RrMinSize(prompt_a_hover, &bw, &bh);
+        RrMinSize(prompt_a_focus, &bw, &bh);
         self->button[i].width = MAX(self->button[i].width, bw);
         self->button[i].height = MAX(self->button[i].height, bh);
         RrMinSize(prompt_a_press, &bw, &bh);
         self->button[i].width = MAX(self->button[i].width, bw);
         self->button[i].height = MAX(self->button[i].height, bh);
 
+        self->button[i].width += BUTTON_HMARGIN * 2;
+        self->button[i].height += BUTTON_VMARGIN * 2;
+
         allbuttonsw += self->button[i].width + (i > 0 ? BUTTON_SEPARATION : 0);
         allbuttonsh = MAX(allbuttonsh, self->button[i].height);
     }
 
-    self->msg_wbound = MAX(allbuttonsw, area->width*3/5);
+    self->msg_wbound = MAX(allbuttonsw, maxw);
 
     /* measure the text message area */
-    a_msg->texture[0].data.text.string = self->msg.text;
-    a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
-    RrMinSize(a_msg, &self->msg.width, &self->msg.height);
-    a_msg->texture[0].data.text.maxwidth = 0;
+    prompt_a_msg->texture[0].data.text.string = self->msg.text;
+    prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
+    RrMinSize(prompt_a_msg, &self->msg.width, &self->msg.height);
 
     /* width and height inside the outer margins */
     w = MAX(self->msg.width, allbuttonsw);
@@ -211,76 +266,339 @@ static void prompt_layout(ObPrompt *self, const Rect *area)
     self->msg.x = l + (w - self->msg.width) / 2;
     self->msg.y = t;
 
-    /* position the button buttons */
-    buttonx = l + (w - allbuttonsw) / 2;
-    for (i = 0; i < self->n_buttons; ++i) {
-        self->button[i].x = buttonx;
-        buttonx += self->button[i].width + BUTTON_SEPARATION;
-        self->button[i].y = h - allbuttonsh;
+    /* position the button buttons on the right of the dialog */
+    buttonx = l + w;
+    for (i = self->n_buttons - 1; i >= 0; --i) {
+        self->button[i].x = buttonx - self->button[i].width;
+        buttonx -= self->button[i].width + BUTTON_SEPARATION;
+        self->button[i].y = t + h - allbuttonsh;
         self->button[i].y += (allbuttonsh - self->button[i].height) / 2;
     }
 
     /* size and position the toplevel window */
-    self->width = w + l + r;
-    self->height = h + t + b;
-    self->x = (area->width - self->width) / 2;
-    self->y = (area->height - self->height) / 2;
-
-    /* move and resize the actual windows */
-    XMoveResizeWindow(ob_display, self->super.window,
-                      self->x, self->y, self->width, self->height);
-    XMoveResizeWindow(ob_display, self->msg.window,
+    prompt_resize(self, w + l + r, h + t + b);
+
+    /* move and resize the internal windows */
+    XMoveResizeWindow(obt_display, self->msg.window,
                       self->msg.x, self->msg.y,
                       self->msg.width, self->msg.height);
     for (i = 0; i < self->n_buttons; ++i)
-        XMoveResizeWindow(ob_display, self->button[i].window,
+        XMoveResizeWindow(obt_display, self->button[i].window,
                           self->button[i].x, self->button[i].y,
                           self->button[i].width, self->button[i].height);
 }
 
+static void prompt_resize(ObPrompt *self, gint w, gint h)
+{
+    XConfigureRequestEvent req;
+    XSizeHints hints;
+
+    self->width = w;
+    self->height = h;
+
+    /* the user can't resize the prompt */
+    hints.flags = PMinSize | PMaxSize;
+    hints.min_width = hints.max_width = w;
+    hints.min_height = hints.max_height = h;
+    XSetWMNormalHints(obt_display, self->super.window, &hints);
+
+    if (self->mapped) {
+        /* send a configure request like a normal client would */
+        req.type = ConfigureRequest;
+        req.display = obt_display;
+        req.parent = obt_root(ob_screen);
+        req.window = self->super.window;
+        req.width = w;
+        req.height = h;
+        req.value_mask = CWWidth | CWHeight;
+        XSendEvent(req.display, req.window, FALSE, StructureNotifyMask,
+                   (XEvent*)&req);
+    }
+    else
+        XResizeWindow(obt_display, self->super.window, w, h);
+}
+
+static void setup_button_focus_tex(ObPromptElement *e, RrAppearance *a,
+                                   gboolean on)
+{
+    gint i, l, r, t, b;
+
+    for (i = 1; i < 5; ++i)
+        a->texture[i].type = on ? RR_TEXTURE_LINE_ART : RR_TEXTURE_NONE;
+
+    if (!on) return;
+
+    RrMargins(a, &l, &t, &r, &b);
+    l += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
+    r += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
+    t += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
+    b += MIN(BUTTON_HMARGIN, BUTTON_VMARGIN) / 2;
+
+    /* top line */
+    a->texture[1].data.lineart.x1 = l;
+    a->texture[1].data.lineart.x2 = e->width - r - 1;
+    a->texture[1].data.lineart.y1 = t;
+    a->texture[1].data.lineart.y2 = t;
+
+    /* bottom line */
+    a->texture[2].data.lineart.x1 = l;
+    a->texture[2].data.lineart.x2 = e->width - r - 1;
+    a->texture[2].data.lineart.y1 = e->height - b - 1;
+    a->texture[2].data.lineart.y2 = e->height - b - 1;
+
+    /* left line */
+    a->texture[3].data.lineart.x1 = l;
+    a->texture[3].data.lineart.x2 = l;
+    a->texture[3].data.lineart.y1 = t;
+    a->texture[3].data.lineart.y2 = e->height - b - 1;
+
+    /* right line */
+    a->texture[4].data.lineart.x1 = e->width - r - 1;
+    a->texture[4].data.lineart.x2 = e->width - r - 1;
+    a->texture[4].data.lineart.y1 = t;
+    a->texture[4].data.lineart.y2 = e->height - b - 1;
+}
+
 static void render_button(ObPrompt *self, ObPromptElement *e)
 {
-    prompt_a_button->surface.parent = self->a_bg;
-    prompt_a_button->surface.parentx = e->x;
-    prompt_a_button->surface.parentx = e->y;
+    RrAppearance *a;
+
+    if (e->hover && e->pressed)       a = prompt_a_press;
+    else if (self->focus == e)        a = prompt_a_focus;
+    else                              a = prompt_a_button;
+
+    a->surface.parent = prompt_a_bg;
+    a->surface.parentx = e->x;
+    a->surface.parenty = e->y;
+
+    /* draw the keyfocus line */
+    if (self->focus == e)
+        setup_button_focus_tex(e, a, TRUE);
+
+    a->texture[0].data.text.string = e->text;
+    RrPaint(a, e->window, e->width, e->height);
 
-    prompt_a_button->texture[0].data.text.string = e->text;
-    RrPaint(prompt_a_button, e->window, e->width, e->height);
+    /* turn off the keyfocus line so that it doesn't affect size calculations
+     */
+    if (self->focus == e)
+        setup_button_focus_tex(e, a, FALSE);
 }
 
 static void render_all(ObPrompt *self)
 {
-    guint i;
+    gint i;
 
-    RrPaint(self->a_bg, self->super.window, self->width, self->height);
+    RrPaint(prompt_a_bg, self->super.window, self->width, self->height);
 
-    msg_appearance()->surface.parent = self->a_bg;
-    msg_appearance()->surface.parentx = self->msg.x;
-    msg_appearance()->surface.parentx = self->msg.y;
+    prompt_a_msg->surface.parent = prompt_a_bg;
+    prompt_a_msg->surface.parentx = self->msg.x;
+    prompt_a_msg->surface.parenty = self->msg.y;
 
-    msg_appearance()->texture[0].data.text.string = self->msg.text;
-    msg_appearance()->texture[0].data.text.maxwidth = self->msg_wbound;
-    RrPaint(msg_appearance(), self->msg.window,
-            self->msg.width, self->msg.height);
-    msg_appearance()->texture[0].data.text.maxwidth = 0;
+    prompt_a_msg->texture[0].data.text.string = self->msg.text;
+    prompt_a_msg->texture[0].data.text.maxwidth = self->msg_wbound;
+    RrPaint(prompt_a_msg, self->msg.window, self->msg.width, self->msg.height);
 
     for (i = 0; i < self->n_buttons; ++i)
         render_button(self, &self->button[i]);
 }
 
-void prompt_show(ObPrompt *self, const Rect *area)
+void prompt_show(ObPrompt *self, ObClient *parent, gboolean modal)
 {
-    if (self->mapped) return;
+    gint i;
+
+    if (self->mapped) {
+        /* activate the prompt */
+        OBT_PROP_MSG(ob_screen, self->super.window, NET_ACTIVE_WINDOW,
+                     1, /* from an application.. */
+                     event_time(),
+                     0,
+                     0, 0);
+        return;
+    }
+
+    /* set the focused button (if not found then the first button is used) */
+    self->focus = &self->button[0];
+    for (i = 0; i < self->n_buttons; ++i)
+        if (self->button[i].result == self->default_result) {
+            self->focus = &self->button[i];
+            break;
+        }
+
+    if (parent) {
+        Atom states[1];
+        gint nstates;
+        Window p;
+        XWMHints h;
+
+        if (parent->group) {
+            /* make it transient for the window's group */
+            h.flags = WindowGroupHint;
+            h.window_group = parent->group->leader;
+            p = obt_root(ob_screen);
+        }
+        else {
+            /* make it transient for the window directly */
+            h.flags = 0;
+            p = parent->window;
+        }
+
+        XSetWMHints(obt_display, self->super.window, &h);
+        OBT_PROP_SET32(self->super.window, WM_TRANSIENT_FOR, WINDOW, p);
+
+        states[0] = OBT_PROP_ATOM(NET_WM_STATE_MODAL);
+        nstates = (modal ? 1 : 0);
+        OBT_PROP_SETA32(self->super.window, NET_WM_STATE, ATOM,
+                        states, nstates);
+    }
+    else
+        OBT_PROP_ERASE(self->super.window, WM_TRANSIENT_FOR);
 
-    prompt_layout(self, area);
+    /* set up the dialog and render it */
+    prompt_layout(self);
     render_all(self);
-    XMapWindow(ob_display, self->super.window);
+
+    client_manage(self->super.window, self);
 
     self->mapped = TRUE;
 }
 
 void prompt_hide(ObPrompt *self)
 {
-    XUnmapWindow(ob_display, self->super.window);
+    XUnmapWindow(obt_display, self->super.window);
     self->mapped = FALSE;
 }
+
+gboolean prompt_key_event(ObPrompt *self, XEvent *e)
+{
+    gboolean shift;
+    guint shift_mask, mods;
+    KeySym sym;
+
+    if (e->type != KeyPress) return FALSE;
+
+    shift_mask = obt_keyboard_modkey_to_modmask(OBT_KEYBOARD_MODKEY_SHIFT);
+    mods = obt_keyboard_only_modmasks(e->xkey.state);
+    shift = !!(mods & shift_mask);
+
+    /* only accept shift */
+    if (mods != 0 && mods != shift_mask)
+        return FALSE;
+
+    sym = obt_keyboard_keypress_to_keysym(e);
+
+    if (sym == XK_Escape)
+        prompt_cancel(self);
+    else if (sym == XK_Return || sym == XK_KP_Enter || sym == XK_space)
+        prompt_run_callback(self, self->focus->result);
+    else if (sym == XK_Tab || sym == XK_Left || sym == XK_Right) {
+        gint i;
+        gboolean left;
+        ObPromptElement *oldfocus;
+
+        left = (sym == XK_Left) || ((sym == XK_Tab) && shift);
+        oldfocus = self->focus;
+
+        for (i = 0; i < self->n_buttons; ++i)
+            if (self->focus == &self->button[i]) break;
+        i += (left ? -1 : 1);
+        if (i < 0) i = self->n_buttons - 1;
+        else if (i >= self->n_buttons) i = 0;
+        self->focus = &self->button[i];
+
+        if (oldfocus != self->focus) render_button(self, oldfocus);
+        render_button(self, self->focus);
+    }
+    return TRUE;
+}
+
+gboolean prompt_mouse_event(ObPrompt *self, XEvent *e)
+{
+    gint i;
+    ObPromptElement *but;
+
+    if (e->type != ButtonPress && e->type != ButtonRelease &&
+        e->type != MotionNotify) return FALSE;
+
+    /* find the button */
+    but = NULL;
+    for (i = 0; i < self->n_buttons; ++i)
+        if (self->button[i].window ==
+            (e->type == MotionNotify ? e->xmotion.window : e->xbutton.window))
+        {
+            but = &self->button[i];
+            break;
+        }
+    if (!but) return FALSE;
+
+    if (e->type == ButtonPress) {
+        ObPromptElement *oldfocus;
+
+        oldfocus = self->focus;
+
+        but->pressed = but->hover = TRUE;
+        self->focus = but;
+
+        if (oldfocus != but) render_button(self, oldfocus);
+        render_button(self, but);
+    }
+    else if (e->type == ButtonRelease) {
+        if (but->hover)
+            prompt_run_callback(self, but->result);
+        but->pressed = FALSE;
+    }
+    else if (e->type == MotionNotify) {
+        if (but->pressed) {
+            gboolean hover;
+
+            hover = (e->xmotion.x >= 0 && e->xmotion.y >= 0 &&
+                     e->xmotion.x < but->width && e->xmotion.y < but->height);
+
+            if (hover != but->hover) {
+                but->hover = hover;
+                render_button(self, but);
+            }
+        }
+    }
+    return TRUE;
+}
+
+void prompt_cancel(ObPrompt *self)
+{
+    prompt_run_callback(self, self->cancel_result);
+}
+
+static gboolean prompt_show_message_cb(ObPrompt *p, int res, gpointer data)
+{
+    return TRUE; /* call the cleanup func */
+}
+
+static void prompt_show_message_cleanup(ObPrompt *p, gpointer data)
+{
+    prompt_unref(p);
+}
+
+ObPrompt* prompt_show_message(const gchar *msg, const gchar *title,
+                              const gchar *answer)
+{
+    ObPrompt *p;
+    ObPromptAnswer ans[] = {
+        { answer, 0 }
+    };
+
+    p = prompt_new(msg, title, ans, 1, 0, 0,
+                   prompt_show_message_cb, prompt_show_message_cleanup, NULL);
+    prompt_show(p, NULL, FALSE);
+    return p;
+}
+
+static void prompt_run_callback(ObPrompt *self, gint result)
+{
+    prompt_ref(self);
+    if (self->func) {
+        gboolean clean = self->func(self, result, self->data);
+        if (clean && self->cleanup)
+            self->cleanup(self, self->data);
+    }
+    prompt_hide(self);
+    prompt_unref(self);
+}