CImageList* CReBarCtrl::GetImageList() const
{
REBARINFO rbi;
rbi.cbSize = sizeof(rbi);
rbi.fMask = RBIM_IMAGELIST;
return GetBarInfo(&rbi) ? CImageList::FromHandle(rbi.himl) : NULL;
}
void VScroller::Redraw(IntCoord x1, IntCoord y1, IntCoord x2, IntCoord y2) {
IntCoord bot;
int height;
Background(x1, y1, x2, y2);
GetBarInfo(shown, bot, height);
Bar(bot, height);
Outline(bot, height);
}
void HScroller::Redraw(IntCoord x1, IntCoord y1, IntCoord x2, IntCoord y2) {
IntCoord left;
int width;
Background(x1, y1, x2, y2);
GetBarInfo(shown, left, width);
Bar(left, width);
Outline(left, width);
}
IntCoord VScroller::Slide(register Event& e) {
IntCoord x1, y1, x2, y2;
IntCoord oldy, miny, maxy;
int height, h;
Perspective s;
s = *view;
GetBarInfo(shown, oldy, height);
if (e.y < oldy) {
y1 = Math::max(0, e.y - height/2);
} else if (e.y > oldy + height) {
y1 = Math::min(e.y - height/2, ymax - height + 1);
} else {
y1 = oldy;
}
y2 = y1 + height - 1;
miny = Math::min(oldy, 0);
maxy = Math::max(ymax + 1, oldy + height) - height;
h = e.y - y1;
boolean syncing = (syncScroll && !e.control) || (!syncScroll && e.control);
SlidingRect r(output, canvas, inset+1, y1+1, xmax-inset-1, y2-1, 0, e.y );
r.Draw();
for (;;) {
switch (e.eventType) {
case UpEvent:
case DownEvent:
case MotionEvent:
if (e.target != this) {
e.target->GetRelative(e.x, e.y, this);
}
r.Track(0, Math::max(miny + h, Math::min(maxy + h, e.y)));
if (syncing) {
r.Erase();
r.GetCurrent(x1, y1, x2, y2);
s.cury = shown->y0 + Math::round(double(y1-1) / scale);
interactor->Adjust(s);
}
break;
}
if (e.eventType == UpEvent) {
break;
}
Read(e);
}
r.GetCurrent(x1, y1, x2, y2);
r.Erase();
return shown->y0 + Math::round(double(y1-1) / scale);
}
IntCoord HScroller::Slide(register Event& e) {
IntCoord x1, y1, x2, y2;
IntCoord oldx, minx, maxx;
int width, w;
Perspective s;
s = *view;
GetBarInfo(shown, oldx, width);
if (e.x < oldx) {
x1 = Math::max(0, e.x - width/2);
} else if (e.x > oldx + width) {
x1 = Math::min(e.x - width/2, xmax - width + 1);
} else {
x1 = oldx;
}
x2 = x1 + width - 1;
minx = Math::min(oldx, 0);
maxx = Math::max(xmax + 1, oldx + width) - width;
w = e.x - x1;
boolean syncing = (syncScroll && !e.control) || (!syncScroll && e.control);
SlidingRect r(output, canvas, x1+1, inset+1, x2-1, ymax-inset-1, e.x, 0);
r.Draw();
for (;;) {
switch (e.eventType) {
case UpEvent:
case DownEvent:
case MotionEvent:
if (e.target != this) {
e.target->GetRelative(e.x, e.y, this);
}
r.Track(Math::max(minx + w, Math::min(maxx + w, e.x)), 0);
if (syncing) {
r.Erase();
r.GetCurrent(x1, y1, x2, y2);
s.curx = shown->x0 + Math::round(double(x1-1) / scale);
interactor->Adjust(s);
}
break;
}
if (e.eventType == UpEvent) {
break;
}
Read(e);
}
r.GetCurrent(x1, y1, x2, y2);
r.Erase();
return shown->x0 + Math::round(double(x1-1) / scale);
}
void VScroller::Update() {
IntCoord oldbottom, oldtop, newbottom, newtop;
int oldheight, newheight;
Perspective* p;
if (canvas == nil) {
return;
}
p = view;
GetBarInfo(shown, oldbottom, oldheight);
GetBarInfo(p, newbottom, newheight);
if (oldbottom != newbottom || oldheight != newheight) {
oldtop = oldbottom+oldheight-1;
newtop = newbottom+newheight-1;
if (oldtop >= newbottom && newtop >= oldbottom) {
if (oldtop > newtop) {
Background(inset, newtop+1, xmax-inset, oldtop);
Border(newtop);
} else if (oldtop < newtop) {
Bar(oldtop, newtop-oldtop);
Sides(oldtop, newtop);
Border(newtop);
}
if (oldbottom > newbottom) {
Bar(newbottom+1, oldbottom-newbottom);
Sides(newbottom, oldbottom);
Border(newbottom);
} else if (oldbottom < newbottom) {
Background(inset, oldbottom, xmax-inset, newbottom-1);
Border(newbottom);
}
} else {
Background(inset, oldbottom, xmax-inset, oldtop);
Bar(newbottom, newheight);
Outline(newbottom, newheight);
}
}
*shown = *p;
}
void HScroller::Update() {
IntCoord oldleft, oldright, newleft, newright;
int oldwidth, newwidth;
Perspective* p;
if (canvas == nil) {
return;
}
p = view;
GetBarInfo(shown, oldleft, oldwidth);
GetBarInfo(p, newleft, newwidth);
if (oldleft != newleft || oldwidth != newwidth) {
oldright = oldleft+oldwidth-1;
newright = newleft+newwidth-1;
if (oldright >= newleft && newright >= oldleft) {
if (oldright > newright) {
Background(newright+1, inset, oldright, ymax-inset);
Border(newright);
} else if (oldright < newright) {
Bar(oldright, newright-oldright);
Sides(oldright, newright);
Border(newright);
}
if (oldleft > newleft) {
Bar(newleft+1, oldleft-newleft);
Sides(newleft, oldleft);
Border(newleft);
} else if (oldleft < newleft) {
Background(oldleft, inset, newleft-1, ymax-inset);
Border(newleft);
}
} else {
Background(oldleft, inset, oldright, ymax-inset);
Bar(newleft, newwidth);
Outline(newleft, newwidth);
}
}
*shown = *p;
}