ede/ede-panel/applets/hider/Hider.cpp
Sanel Zukan 8bc8e23304 Redone animation code.
Due large number of XFlush-es, on some OS-eses with bad graphic driver (in my case FreeBSD on VirtualBox)
animation considerably slows down, making animation quit OS/driver specific. Using FLTK timer code, animation should
be agnostic as possible.
2012-05-16 11:30:41 +00:00

148 lines
2.8 KiB
C++

#include "Applet.h"
#include "Panel.h"
#include <unistd.h>
#include <FL/Fl_Button.H>
#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <edelib/Nls.h>
#include <edelib/Debug.h>
#include <FL/x.H>
/* delay in secs */
#define PANEL_MOVE_DELAY 0.0015
/* how fast we will move X axis */
#define PANEL_ANIM_SPEED 50
static void hide_cb(Fl_Widget*, void *h);
class Hider : public Fl_Button {
private:
int old_x, old_y, is_hidden, old_px, stop_x;
public:
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);
}
int panel_hidden(void) { return is_hidden; }
void panel_hidden(int s) { is_hidden = s; }
void panel_show(void);
void panel_hide(void);
void post_show(void);
void post_hide(void);
void animate(void);
};
static void hide_cb(Fl_Widget*, void *h) {
Hider *hh = (Hider*)h;
if(hh->panel_hidden())
hh->panel_show();
else
hh->panel_hide();
}
static void animate_cb(void *h) {
Hider *hh = (Hider*)h;
hh->animate();
}
void Hider::animate(void) {
Panel *p = EDE_PANEL_GET_PANEL_OBJECT(this);
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();
}
}
}
void Hider::panel_hide(void) {
Panel *p = EDE_PANEL_GET_PANEL_OBJECT(this);
int X, Y, W, H;
p->screen_size(X, Y, W, H);
stop_x = X + W - w();
old_px = p->x();
Fl::add_timeout(0.1, animate_cb, this);
}
void Hider::post_hide(void) {
Panel *p = EDE_PANEL_GET_PANEL_OBJECT(this);
/* align to bounds */
p->position(stop_x, p->y());
p->allow_drag(false);
p->apply_struts(false);
/* hide all children on panel except us */
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);
tooltip(_("Show panel"));
}
void Hider::panel_show(void) {
Fl::add_timeout(0.1, animate_cb, this);
}
void Hider::post_show(void) {
Panel *p = EDE_PANEL_GET_PANEL_OBJECT(this);
/* 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);
tooltip(_("Hide panel"));
}
EDE_PANEL_APPLET_EXPORT (
Hider,
EDE_PANEL_APPLET_OPTION_ALIGN_RIGHT,
"Hide-panel applet",
"0.1",
"empty",
"Sanel Zukan"
)