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/*
* File: findbar.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.
*/
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include "findbar.hh"
#include "msg.h"
#include "pixmaps.h"
#include "uicmd.hh"
#include "bw.h"
/*
* Local sub class
* (Used to handle escape in the findbar, may also avoid some shortcuts).
*/
class MyInput : public Fl_Input {
public:
MyInput (int x, int y, int w, int h, const char* l=0) :
Fl_Input(x,y,w,h,l) {};
int handle(int e);
};
int MyInput::handle(int e)
{
_MSG("findbar MyInput::handle()\n");
int ret = 1, k = Fl::event_key();
unsigned modifier = Fl::event_state() & (FL_SHIFT| FL_CTRL| FL_ALT|FL_META);
if (e == FL_KEYBOARD) {
if (k == FL_Page_Down || k == FL_Page_Up || k == FL_Up || k == FL_Down) {
// Let them through for key commands and viewport motion.
return 0;
}
if (modifier == FL_SHIFT) {
if (k == FL_Left || k == FL_Right) {
// Let these keys get to the UI
return 0;
}
} else if (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;
} else if (k == 'h' || k == 'i' || k == 'j' || k == 'l' || k == 'm') {
// Fl_Input wants to use ^H as backspace, and also "insert a few
// selected control characters literally", but this gets in the way
// of key commands.
return 0;
}
} else if (k == FL_Escape && modifier == 0) {
// Avoid clearing the text with Esc, just hide the findbar.
return 0;
}
}
if (ret)
ret = Fl_Input::handle(e);
return ret;
}
/**
* Find next occurrence of input key
*/
void Findbar::search_cb(Fl_Widget *, void *vfb)
{
Findbar *fb = (Findbar *)vfb;
const char *key = fb->i->value();
bool case_sens = fb->check_btn->value();
if (key[0] != '\0')
a_UIcmd_findtext_search(a_UIcmd_get_bw_by_widget(fb),
key, case_sens, false);
}
/**
* Find previous occurrence of input key
*/
void Findbar::searchBackwards_cb(Fl_Widget *, void *vfb)
{
Findbar *fb = (Findbar *)vfb;
const char *key = fb->i->value();
bool case_sens = fb->check_btn->value();
if (key[0] != '\0') {
a_UIcmd_findtext_search(a_UIcmd_get_bw_by_widget(fb),
key, case_sens, true);
}
}
/**
* Hide the search bar
*/
void Findbar::hide_cb(Fl_Widget *, void *vfb)
{
a_UIcmd_findbar_toggle(a_UIcmd_get_bw_by_widget(vfb), 0);
}
/**
* Construct text search bar
*/
Findbar::Findbar(int width, int height) :
Fl_Group(0, 0, width, height)
{
int button_width = 70;
int gap = 2;
int border = 2;
int input_width = width - (2 * border + 4 * (button_width + gap));
int x = 0;
Fl_Group::current(0);
height -= 2 * border;
box(FL_THIN_UP_BOX);
hide_btn = new CustButton(x, border, 16, height, 0);
hideImg = new Fl_Pixmap(new_s_xpm);
hide_btn->image(hideImg);
x += 16 + gap;
hide_btn->callback(hide_cb, this);
hide_btn->clear_visible_focus();
hide_btn->box(FL_THIN_UP_BOX);
hide_btn->set_tooltip("Hide");
add(hide_btn);
i = new MyInput(x, border, input_width, height);
x += input_width + gap;
resizable(i);
i->when(FL_WHEN_NEVER);
add(i);
next_btn = new CustButton(x, border, button_width, height, "Next");
x += button_width + gap;
next_btn->shortcut(FL_Enter);
next_btn->callback(search_cb, this);
next_btn->clear_visible_focus();
next_btn->box(FL_THIN_UP_BOX);
next_btn->set_tooltip("Find next occurrence of the search phrase\n"
"shortcut: Enter");
add(next_btn);
prev_btn= new CustButton(x, border, button_width, height, "Previous");
x += button_width + gap;
prev_btn->shortcut(FL_SHIFT+FL_Enter);
prev_btn->callback(searchBackwards_cb, this);
prev_btn->clear_visible_focus();
prev_btn->box(FL_THIN_UP_BOX);
prev_btn->set_tooltip("Find previous occurrence of the search phrase\n"
"shortcut: Shift+Enter");
add(prev_btn);
check_btn = new Fl_Check_Button(x, border, 2*button_width, height,
"Case-sensitive");
x += 2 * button_width + gap;
check_btn->clear_visible_focus();
add(check_btn);
}
Findbar::~Findbar()
{
delete hideImg;
}
/**
* Handle events. Used to catch FL_Escape events.
*/
int Findbar::handle(int event)
{
int k = Fl::event_key();
unsigned modifier = Fl::event_state() & (FL_SHIFT| FL_CTRL| FL_ALT|FL_META);
if (event == FL_KEYBOARD && modifier == 0 && k == FL_Escape) {
/* let the UI handle it */
return 0;
}
return Fl_Group::handle(event);
}
/**
* Show the findbar and focus the input field
*/
void Findbar::show()
{
BrowserWindow *bw = a_UIcmd_get_bw_by_widget(this);
dReturn_if (bw == NULL);
// It takes more than just calling show() to do the trick
Fl_Group::show();
/* select text even if already focused */
i->take_focus();
i->position(i->size(), 0);
}
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