/*
* File: dialog.cc
*
* Copyright (C) 2005-2007 Jorge Arellano Cid <jcid@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
// UI dialogs
#include <math.h> // for rint()
#include <FL/fl_ask.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_File_Chooser.H>
#include <FL/Fl_Return_Button.H>
#include <FL/Fl_Text_Display.H>
#include <FL/Fl_Button.H>
#include <FL/Fl_Return_Button.H>
#include <FL/Fl_Output.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Secret_Input.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Menu_Item.H>
#include "msg.h"
#include "dialog.hh"
#include "misc.h"
#include "prefs.h"
/*
* Local Data
*/
static int input_answer;
static char *input_str = NULL;
static int choice_answer;
/*
* Local sub classes
*/
//----------------------------------------------------------------------------
/*
* Used to enable CTRL+{a,e,d,k} in search dialog (for start,end,del,cut)
* TODO: bind down arrow to a search engine selection list.
*/
class CustInput3 : public Fl_Input {
public:
CustInput3 (int x, int y, int w, int h, const char* l=0) :
Fl_Input(x,y,w,h,l) {};
int handle(int e);
};
int CustInput3::handle(int e)
{
int k = Fl::event_key();
_MSG("CustInput3::handle event=%d\n", e);
// We're only interested in some flags
unsigned modifier = Fl::event_state() & (FL_SHIFT | FL_CTRL | FL_ALT);
if (e == FL_KEYBOARD && modifier == FL_CTRL) {
if (k == 'a' || k == 'e') {
position(k == 'a' ? 0 : size());
return 1;
} else if (k == 'k') {
cut(position(), size());
return 1;
} else if (k == 'd') {
cut(position(), position()+1);
return 1;
}
}
return Fl_Input::handle(e);
}
/*
* Used to make the ENTER key activate the CustChoice
*/
class CustChoice2 : public Fl_Choice {
public:
CustChoice2 (int x, int y, int w, int h, const char* l=0) :
Fl_Choice(x,y,w,h,l) {};
int handle(int e) {
if (e == FL_KEYBOARD &&
(Fl::event_key() == FL_Enter || Fl::event_key() == FL_Down) &&
(Fl::event_state() & (FL_SHIFT|FL_CTRL|FL_ALT|FL_META)) == 0) {
return Fl_Choice::handle(FL_PUSH);
}
return Fl_Choice::handle(e);
};
};
class EnterButton : public Fl_Button {
public:
EnterButton (int x,int y,int w,int h, const char* label = 0) :
Fl_Button (x,y,w,h,label) {};
int handle(int e);
};
int EnterButton::handle(int e)
{
if (e == FL_KEYBOARD && Fl::focus() == this && Fl::event_key() == FL_Enter){
set_changed();
simulate_key_action();
do_callback();
return 1;
}
return Fl_Button::handle(e);
}
//----------------------------------------------------------------------------
/*
* Display a message in a popup window.
*/
void a_Dialog_msg(const char *title, const char *msg)
{
if (!(title && *title))
title = "Dillo: Message";
fl_message_title(title);
fl_message("%s", msg);
}
/*
* Callback for a_Dialog_input()
*/
static void input_cb(Fl_Widget *button, void *number)
{
input_answer = VOIDP2INT(number);
button->window()->hide();
}
/*
* Dialog for one line of Input with a message.
* avoids the sound bell in fl_input(), and allows customization
*
* Return value: string on success, NULL upon Cancel or Close window
*/
const char *a_Dialog_input(const char *title, const char *msg)
{
static Fl_Menu_Item *pm = 0;
int ww = 450, wh = 130, gap = 10, ih = 60, bw = 80, bh = 30;
input_answer = 0;
if (!(title && *title))
title = "Dillo: Input";
Fl_Window *window = new Fl_Window(ww,wh,title);
window->set_modal();
window->begin();
Fl_Group* ib = new Fl_Group(0,0,window->w(),window->h());
ib->begin();
window->resizable(ib);
/* '?' Icon */
Fl_Box* o = new Fl_Box(gap, gap, ih, ih);
o->box(FL_THIN_UP_BOX);
o->labelfont(FL_TIMES_BOLD);
o->labelsize(34);
o->label("?");
o->show();
Fl_Box *box = new Fl_Box(ih+2*gap,gap,ww-(ih+3*gap),ih/2, msg);
box->labelfont(FL_HELVETICA);
box->labelsize(14);
box->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP|FL_ALIGN_WRAP);
CustInput3 *c_inp = new CustInput3(ih+2*gap,gap+ih/2+gap,ww-(ih+3*gap),24);
c_inp->labelsize(14);
c_inp->textsize(14);
CustChoice2 *ch = new CustChoice2(1*gap,ih+3*gap,180,24);
if (!pm) {
int n_it = dList_length(prefs.search_urls);
pm = new Fl_Menu_Item[n_it+1];
memset(pm, '\0', sizeof(Fl_Menu_Item[n_it+1]));
for (int i = 0, j = 0; i < n_it; i++) {
char *label, *url, *source;
source = (char *)dList_nth_data(prefs.search_urls, i);
if (!source || a_Misc_parse_search_url(source, &label, &url) < 0)
continue;
pm[j++].label(FL_NORMAL_LABEL, strdup(label));
}
}
ch->tooltip("Select search engine");
ch->menu(pm);
ch->value(prefs.search_url_idx);
int xpos = ww-2*(gap+bw), ypos = ih+3*gap;
Fl_Return_Button *rb = new Fl_Return_Button(xpos, ypos, bw, bh, "OK");
rb->align(FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
rb->box(FL_UP_BOX);
rb->callback(input_cb, INT2VOIDP(1));
xpos = ww-(gap+bw);
Fl_Button *b = new Fl_Button(xpos, ypos, bw, bh, "Cancel");
b->align(FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
b->box(FL_UP_BOX);
b->callback(input_cb, INT2VOIDP(2));
window->end();
window->show();
while (window->shown())
Fl::wait();
if (input_answer == 1) {
/* we have a string, save it */
dFree(input_str);
input_str = dStrdup(c_inp->value());
prefs.search_url_idx = ch->value();
}
delete window;
return (input_answer == 1) ? input_str : NULL;
}
/*
* Dialog for password
*/
const char *a_Dialog_passwd(const char *title, const char *msg)
{
if (!(title && *title))
title = "Dillo: Password";
fl_message_title(title);
return fl_password("%s", "", msg);
}
/*
* Show the save file dialog.
*
* Return: pointer to chosen filename, or NULL on Cancel.
*/
const char *a_Dialog_save_file(const char *title,
const char *pattern, const char *fname)
{
return fl_file_chooser(title, pattern, fname);
}
/*
* Show the select file dialog.
*
* Return: pointer to chosen filename, or NULL on Cancel.
*/
const char *a_Dialog_select_file(const char *title,
const char *pattern, const char *fname)
{
/*
* FileChooser::type(MULTI) appears to allow multiple files to be selected,
* but just follow save_file's path for now.
*/
return a_Dialog_save_file(title, pattern, fname);
}
/*
* Show the open file dialog.
*
* Return: pointer to chosen filename, or NULL on Cancel.
*/
char *a_Dialog_open_file(const char *title,
const char *pattern, const char *fname)
{
const char *fc_name;
fc_name = fl_file_chooser(title, pattern, fname);
return (fc_name) ? a_Misc_escape_chars(fc_name, "% #") : NULL;
}
/*
* Close text window.
*/
static void text_window_close_cb(Fl_Widget *, void *vtd)
{
Fl_Text_Display *td = (Fl_Text_Display *)vtd;
Fl_Text_Buffer *buf = td->buffer();
delete (Fl_Window*)td->window();
delete buf;
}
/*
* Show a new window with the provided text
*/
void a_Dialog_text_window(const char *title, const char *txt)
{
int wh = prefs.height, ww = prefs.width, bh = 30;
if (!(title && *title))
title = "Dillo: Text";
Fl_Window *window = new Fl_Window(ww, wh, title);
Fl_Group::current(0);
Fl_Text_Buffer *buf = new Fl_Text_Buffer();
buf->text(txt);
Fl_Text_Display *td = new Fl_Text_Display(0,0,ww, wh-bh);
td->buffer(buf);
td->textsize((int) rint(14.0 * prefs.font_factor));
/* enable wrapping lines; text uses entire width of window */
td->wrap_mode(Fl_Text_Display::WRAP_AT_BOUNDS, 0);
window->add(td);
Fl_Return_Button *b = new Fl_Return_Button (0, wh-bh, ww, bh, "Close");
b->callback(text_window_close_cb, td);
window->add(b);
window->callback(text_window_close_cb, td);
window->resizable(td);
window->show();
}
/*--------------------------------------------------------------------------*/
static void choice_cb(Fl_Widget *button, void *number)
{
choice_answer = VOIDP2INT(number);
_MSG("choice_cb: %d\n", choice_answer);
button->window()->hide();
}
/*
* Make a question-dialog with a question and alternatives.
* Last parameter must be NULL.
*
* Return value: 0 = dialog was cancelled, >0 = selected alternative.
*/
int a_Dialog_choice(const char *title, const char *msg, ...)
{
va_list ap;
int i, n;
if (title == NULL || *title == '\0')
title = "Dillo: Choice";
va_start(ap, msg);
for (n = 0; va_arg(ap, char *) != NULL; n++);
va_end(ap);
if (n == 0) {
MSG_ERR("Dialog_choice: no alternatives.\n");
return 0;
}
int gap = 8;
int ww = 140 + n * 60, wh = 120;
int bw = (ww - gap) / n - gap, bh = 45;
int ih = 50;
Fl_Window *window = new Fl_Window(ww, wh, title);
window->set_modal();
window->begin();
Fl_Group *ib = new Fl_Group(0, 0, window->w(), window->h());
ib->begin();
window->resizable(ib);
/* '?' Icon */
Fl_Box *o = new Fl_Box(10, (wh - bh - ih) / 2, ih, ih);
o->box(FL_THIN_UP_BOX);
o->labelfont(FL_TIMES_BOLD);
o->labelsize(34);
o->color(FL_WHITE);
o->labelcolor(FL_BLUE);
o->label("?");
o->show();
if (msg != NULL){
Fl_Box *box = new Fl_Box(60, 0, ww - 60, wh - bh, msg);
box->labelfont(FL_HELVETICA);
box->labelsize(14);
box->align(FL_ALIGN_WRAP);
}
int xpos = gap;
va_start(ap, msg);
for (i = 1; i <= n; i++) {
Fl_Button *b = new EnterButton(xpos, wh-bh, bw, bh, va_arg(ap, char *));
b->align(FL_ALIGN_WRAP | FL_ALIGN_CLIP);
b->box(FL_UP_BOX);
b->callback(choice_cb, INT2VOIDP(i));
xpos += bw + gap;
/* TODO: set focus to the *-prefixed alternative */
}
va_end(ap);
window->end();
window->show();
while (window->shown())
Fl::wait();
_MSG("Dialog_choice answer = %d\n", answer);
delete window;
return choice_answer;
}
/*--------------------------------------------------------------------------*/
static void Dialog_user_password_cb(Fl_Widget *button, void *)
{
button->window()->user_data(button);
button->window()->hide();
}
/*
* Make a user/password dialog.
* Call the callback with the result (OK or not) and the given user and
* password if OK.
*/
int a_Dialog_user_password(const char *title, const char *msg,
UserPasswordCB cb, void *vp)
{
int ok = 0, window_h = 280, y, msg_w, msg_h;
const int window_w = 300, input_x = 80, input_w = 200, input_h = 30,
button_h = 30;
/* window is resized below */
if (!(title && *title))
title = "Dillo: User/Password";
Fl_Window *window = new Fl_Window(window_w,window_h,title);
Fl_Group::current(0);
window->user_data(NULL);
/* message */
y = 20;
msg_w = window_w - 40;
Fl_Box *msg_box = new Fl_Box(20, y, msg_w, 100); /* resized below */
msg_box->label(msg);
msg_box->labelfont(FL_HELVETICA);
msg_box->labelsize(14);
msg_box->align(FL_ALIGN_INSIDE | FL_ALIGN_TOP_LEFT | FL_ALIGN_WRAP);
fl_font(msg_box->labelfont(), msg_box->labelsize());
msg_w -= 6; /* The label doesn't fill the entire box. */
fl_measure(msg_box->label(), msg_w, msg_h, 0); // fl_measure wraps at msg_w
msg_box->size(msg_box->w(), msg_h);
window->add(msg_box);
/* inputs */
y += msg_h + 20;
Fl_Input *user_input = new Fl_Input(input_x, y, input_w, input_h, "User");
user_input->labelsize(14);
user_input->textsize(14);
window->add(user_input);
y += input_h + 10;
Fl_Secret_Input *password_input =
new Fl_Secret_Input(input_x, y, input_w, input_h, "Password");
password_input->labelsize(14);
password_input->textsize(14);
window->add(password_input);
/* "OK" button */
y += input_h + 20;
Fl_Button *ok_button = new EnterButton(200, y, 50, button_h, "OK");
ok_button->labelsize(14);
ok_button->callback(Dialog_user_password_cb);
window->add(ok_button);
/* "Cancel" button */
Fl_Button *cancel_button =
new EnterButton(50, y, 100, button_h, "Cancel");
cancel_button->labelsize(14);
cancel_button->callback(Dialog_user_password_cb);
window->add(cancel_button);
y += button_h + 20;
window_h = y;
window->size(window_w, window_h);
window->size_range(window_w, window_h, window_w, window_h);
window->resizable(window);
window->show();
while (window->shown())
Fl::wait();
ok = ((Fl_Widget *)window->user_data()) == ok_button ? 1 : 0;
if (ok) {
/* call the callback */
const char *user, *password;
user = user_input->value();
password = password_input->value();
_MSG("a_Dialog_user_passwd: ok = %d\n", ok);
(*cb)(user, password, vp);
}
delete window;
return ok;
}