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/* Copyright 2022 Pierre Ossman for Cendio AB
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <stddef.h>
#include <stdio.h>
#include <FL/Fl_Button.H>
#include <FL/Fl_Scroll.H>
#include "Fl_Navigation.h"
Fl_Navigation::Fl_Navigation(int x, int y, int w, int h)
: Fl_Group(x, y, w, h)
{
int dummy;
scroll = new Fl_Scroll(x, y, 1, 1);
scroll->type(Fl_Scroll::VERTICAL);
scroll->color(FL_BACKGROUND2_COLOR);
labels = new Fl_Group(x, y, 1, 1);
labels->end();
scroll->end();
pages = new Fl_Group(x, y, 1, 1);
pages->end();
Fl_Group::end();
// Just to resize things, and avoid code duplication
client_area(dummy, dummy, dummy, dummy, w/10);
begin();
}
Fl_Navigation::~Fl_Navigation()
{
}
Fl_Widget *Fl_Navigation::value()
{
int i;
for (i = 0;i < pages->children();i++) {
if (pages->child(i)->visible())
return pages->child(i);
}
return NULL;
}
int Fl_Navigation::value(Fl_Widget *newpage)
{
int i;
int found;
assert(labels->children() == pages->children());
found = 0;
for (i = 0;i < pages->children();i++) {
if (pages->child(i) == newpage) {
pages->child(i)->show();
((Fl_Button*)labels->child(i))->setonly();
found = 1;
} else {
pages->child(i)->hide();
}
}
return found;
}
void Fl_Navigation::client_area(int &rx, int &ry,
int &rw, int &rh, int lw)
{
if (!pages->children()) {
int cx, cy, cw, ch;
cx = x() + 1;
cy = y() + 1;
cw = w() - 2;
ch = h() - 2;
scroll->resize(cx, cy, lw, ch);
labels->resize(cx, cy, lw, ch);
pages->resize(cx + lw + 1, cy, cw - lw - 1, ch);
}
rx = pages->x();
ry = pages->y();
rw = pages->w();
rh = pages->h();
}
void Fl_Navigation::draw()
{
draw_box(FL_BORDER_FRAME, x(), y(),
labels->w()+2, h(), FL_DARK3);
draw_box(FL_BORDER_FRAME, x()+1+labels->w(), y(),
w() - (labels->w()+1), h(), FL_DARK3);
Fl_Group::draw();
}
void Fl_Navigation::begin()
{
pages->begin();
}
void Fl_Navigation::end()
{
pages->end();
Fl_Group::end();
update_labels();
}
void Fl_Navigation::update_labels()
{
int i, offset;
labels->clear();
labels->resizable(NULL);
if (!pages->children())
return;
offset = 0;
for (i = 0;i < pages->children();i++) {
Fl_Widget *page;
Fl_Button *btn;
page = pages->child(i);
btn = new Fl_Button(labels->x(), labels->y() + offset,
labels->w(), page->labelsize() * 3,
page->label());
btn->box(FL_FLAT_BOX);
btn->type(FL_RADIO_BUTTON);
btn->color(FL_BACKGROUND2_COLOR);
btn->selection_color(FL_SELECTION_COLOR);
btn->labelsize(page->labelsize());
btn->labelfont(page->labelfont());
btn->image(page->image());
btn->deimage(page->deimage());
btn->callback(label_pressed, this);
labels->add(btn);
offset += page->labelsize() * 3;
}
labels->size(labels->w(), offset);
// FIXME: Retain selection
value(pages->child(0));
}
void Fl_Navigation::label_pressed(Fl_Widget *widget, void *user_data)
{
Fl_Navigation *self = (Fl_Navigation *) user_data;
int i, idx;
idx = -1;
for (i = 0;i < self->labels->children();i++) {
if (self->labels->child(i) == widget)
idx = i;
}
assert(idx >= 0);
assert(idx < self->pages->children());
self->value(self->pages->child(idx));
}
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