ede/ede-panel/Hider.cpp

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/*
* $Id: ede-panel.cpp 3463 2012-12-17 15:49:33Z karijes $
*
* Copyright (C) 2012 Sanel Zukan
*
* 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 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
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#include <unistd.h>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/x.H>
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#include <edelib/Nls.h>
#include <edelib/Debug.h>
#include "Hider.h"
#include "Panel.h"
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/* delay in secs */
#define PANEL_MOVE_DELAY 0.0015
/* how fast we will move X axis */
#define PANEL_ANIM_SPEED 50
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static void hide_cb(Fl_Widget*, void *h) {
Hider *hh = (Hider*)h;
hh->panel_hidden() ? hh->panel_show() : hh->panel_hide();
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}
static void animate_cb(void *h) {
Hider *hh = (Hider*)h;
hh->animate();
}
Hider::Hider() : Fl_Button(0, 0, 10, 25, "@>"), old_x(0), old_y(0), is_hidden(0), old_px(0), stop_x(0) {
labelsize(8);
box(FL_FLAT_BOX);
tooltip(_("Hide panel"));
callback(hide_cb, this);
}
void Hider::animate(void) {
Panel *p = (Panel*)parent();
if(!panel_hidden()) {
/* hide */
if(p->x() < stop_x) {
int X = p->x() + PANEL_ANIM_SPEED;
p->position(X, p->y());
Fl::repeat_timeout(PANEL_MOVE_DELAY, animate_cb, this);
} else {
post_hide();
}
} else {
/* show */
if(p->x() > stop_x) {
int X = p->x() - PANEL_ANIM_SPEED;
p->position(X, p->y());
Fl::repeat_timeout(PANEL_MOVE_DELAY, animate_cb, this);
} else {
post_show();
}
}
}
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void Hider::panel_hide(void) {
Panel *p = (Panel*)parent();
int X, Y, W, H;
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p->screen_size(X, Y, W, H);
stop_x = X + W - w();
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old_px = p->x();
Fl::add_timeout(0.1, animate_cb, this);
}
void Hider::post_hide(void) {
Panel *p = (Panel*)parent();
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/* align to bounds */
p->position(stop_x, p->y());
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p->allow_drag(false);
p->apply_struts(false);
/* hide all children on panel except us */
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for(int i = 0; i < p->children(); i++) {
if(p->child(i) != this)
p->child(i)->hide();
}
/* append us to the beginning */
old_x = x();
old_y = y();
position(0 + Fl::box_dx(p->box()), y());
label("@<");
panel_hidden(1);
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tooltip(_("Show panel"));
}
void Hider::panel_show(void) {
Fl::add_timeout(0.1, animate_cb, this);
}
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void Hider::post_show(void) {
Panel *p = (Panel*)parent();
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/* align to bounds */
p->position(old_px, p->y());
p->allow_drag(true);
p->apply_struts(true);
/* show all children on panel */
for(int i = 0; i < p->children(); i++) {
if(p->child(i) != this)
p->child(i)->show();
}
/* move ourself to previous position */
position(old_x, old_y);
label("@>");
panel_hidden(0);
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tooltip(_("Hide panel"));
}