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/**************************************************************************\
ibtk (Insomnia's Basic ToolKit)
By Insomnia (Steaphan Greene)
(insomnia@core.binghamton.edu)
Copyright (C) 1999 Steaphan Greene
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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
\**************************************************************************/
#include <stdio.h>
#include <string.h>
#include "islider.h"
ISlider::~ISlider() {
Win->RemoveClaim(this);
}
ISlider::ISlider(char *t, IWindow *w, int xp, int yp, int xs, int ys) {
Init(t, w, xp, yp, xs, ys);
}
void ISlider::Init(char *t, IWindow *w, int xp, int yp, int xs, int ys) {
changecallback = NULL;
text = new char[strlen(t)+2];
sprintf(text, "%s%c", t, 0);
value = 0;
min = 0;
max = 101;
xpos = xp; ypos = yp; xsize = xs; ysize = ys;
Win = w;
Window wind = w->GetWindowBuffer();
Display *disp = w->GetDisplay();
unsigned int s, p, b, g, gl, gd;
Img[0] = XCreatePixmap(disp, wind, xs, ys, DefaultDepth(disp, 0));
Img[1] = XCreatePixmap(disp, wind, xs, ys, DefaultDepth(disp, 0));
GC gc = Win->GetGC();
// printf("Depth = %d\n", DefaultDepth(disp, 0));
s = w->GetSelectColor();
p = w->GetPaperColor();
b = w->GetFGColor();
g = w->GetBGColor();
gl = w->GetLBGColor();
gd = w->GetDBGColor();
XSetForeground(disp, gc, gl);
XFillRectangle(disp, Img[0], gc, 0, 0, xs, ys);
XFillRectangle(disp, Img[1], gc, 0, 0, xs, ys);
XSetForeground(disp, gc, g);
XFillRectangle(disp, Img[0], gc, 2, 2, xs-4, ys-4);
XFillRectangle(disp, Img[1], gc, 2, 2, xs-4, ys-4);
XSetForeground(disp, gc, gd);
XFillRectangle(disp, Img[0], gc, 0, 0, xs-1, 2);
XFillRectangle(disp, Img[0], gc, 0, 2, 2, ys-3);
XDrawPoint(disp, Img[0], gc, 0, ys-1);
XDrawPoint(disp, Img[0], gc, xs-1, 0);
XFillRectangle(disp, Img[1], gc, 0, 0, xs-1, 2);
XFillRectangle(disp, Img[1], gc, 0, 2, 2, ys-3);
XDrawPoint(disp, Img[1], gc, 0, ys-1);
XDrawPoint(disp, Img[1], gc, xs-1, 0);
disabled = 0;
parent=NULL;
w->AddClaim(this, xp, yp, xs, ys);
Rebuild();
}
void ISlider::Redraw() {
if(hidden) { Win->Rebuild(xpos, ypos, xsize, ysize); return; }
XCopyArea(Win->GetDisplay(), Img[disabled], Win->GetWindowBuffer(), Win->GetGC(),
0, 0, xsize, ysize, xpos, ypos);
Win->Redraw(xpos, ypos, xsize, ysize);
}
void ISlider::Rebuild() {
Window w = Win->GetWindowBuffer();
Display *disp = Win->GetDisplay();
GC gc = Win->GetGC();
char txt[256];
if(max > min && value >= min)
sprintf(txt, "%s%d%c", text, value, 0);
XFontStruct *fs;
XCharStruct cs;
int dir, as, des;
fs = Win->GetFontStruct();
XTextExtents(fs, txt, strlen(txt), &dir, &as, &des, &cs);
int len = cs.width;
// Enabled
XSetForeground(disp, gc, Win->GetBGColor());
XFillRectangle(disp, Img[0], gc, 2, 2, xsize-4, ysize-4);
// Disabled
XSetForeground(disp, gc, Win->GetLBGColor());
XFillRectangle(disp, Img[1], gc, 2, 2, xsize-4, ysize-4);
// Enabled
XSetBackground(disp, gc, Win->GetBGColor());
XSetForeground(disp, gc, Win->GetFGColor());
XDrawImageString(disp, Img[0], gc, (xsize-(len-1))>>1,
(ysize+ysize-(as+des-2))>>1, txt, strlen(txt));
// Disabled
XSetBackground(disp, gc, Win->GetLBGColor());
XSetForeground(disp, gc, Win->GetDBGColor());
XDrawImageString(disp, Img[1], gc, (xsize-(len-1))>>1,
(ysize+ysize-(as+des-2))>>1, txt, strlen(txt));
if(max > min && (((value-min)*(xsize-4))/(max-min)) > 0) {
int xbar = (xsize-4) <? (((value-min)*(xsize-4))/(max-min));
Wrk[0] = XCreatePixmap(disp, w, xbar, ysize-4, DefaultDepth(disp, 0));
Wrk[1] = XCreatePixmap(disp, w, xbar, ysize-4, DefaultDepth(disp, 0));
// Enabled
XSetForeground(disp, gc, Win->GetSelectColor());
XFillRectangle(disp, Wrk[0], gc, 0, 0, xbar, ysize-4);
XSetForeground(disp, gc, Win->GetPaperColor());
XSetBackground(disp, gc, Win->GetSelectColor());
XDrawImageString(disp, Wrk[0], gc, ((xsize-(len-1))>>1)-2,
((ysize+ysize-(as+des-2))>>1)-2, txt, strlen(txt));
// Disabled
XSetForeground(disp, gc, Win->GetBGColor());
XFillRectangle(disp, Wrk[1], gc, 0, 0, xbar, ysize-4);
XSetForeground(disp, gc, Win->GetDBGColor());
XSetBackground(disp, gc, Win->GetBGColor());
XDrawImageString(disp, Wrk[1], gc, ((xsize-(len-1))>>1)-2,
((ysize+ysize-(as+des-2))>>1)-2, txt, strlen(txt));
XCopyArea(disp, Wrk[disabled], Img[disabled], gc, 0, 0, xbar, ysize-4, 2, 2);
XFreePixmap(disp, Wrk[0]);
XFreePixmap(disp, Wrk[1]);
}
Redraw();
if(!hidden) Win->Rebuild(xpos, ypos, xsize, ysize);
}
int ISlider::Drag(int x, int y) {
if(disabled) return 0;
Press(1, x, y);
return 1;
}
int ISlider::Press(int b, int x, int y) {
if(disabled) return 0;
if(x<2) x=2;
if(x>xsize-2) x=xsize-2;
value = x-2;
value *= (max-min);
value /= (xsize-4);
value += min;
SetValue(value);
return 1;
}
void ISlider::SetChangeCallback(void (*cb)(IDoDad *, IDoDad *, int)) {
changecallback = cb;
if(changecallback != NULL) (*changecallback)(parent, this, value);
}
void ISlider::SetValue(int v) {
if(disabled) return;
value = v;
if(value>max) value=max;
if(value<min) value=min;
Rebuild();
if(changecallback != NULL) (*changecallback)(parent, this, value);
}
void ISlider::Enable() {
disabled = 0;
Rebuild();
}
void ISlider::Disable() {
disabled = 1;
Rebuild();
}
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