Import sources from 2011-03-30 iso image

1 files changed, 181 insertions, 0 deletions

diff --git a/sys/src/libcontrol/box.c b/sys/src/libcontrol/box.c
new file mode 100755
index 000000000..64a16d877
--- /dev/null
+++ b/sys/src/libcontrol/box.c
@@ -0,0 +1,181 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <thread.h>
+#include <mouse.h>
+#include <keyboard.h>
+#include <control.h>
+
+typedef struct Box Box;
+
+struct Box
+{
+	Control;
+	int		border;
+	CImage	*bordercolor;
+	CImage	*image;
+	int		align;
+};
+
+enum{
+	EAlign,
+	EBorder,
+	EBordercolor,
+	EFocus,
+	EHide,
+	EImage,
+	ERect,
+	EReveal,
+	EShow,
+	ESize,
+};
+
+static char *cmds[] = {
+	[EAlign] =		"align",
+	[EBorder] =	"border",
+	[EBordercolor] ="bordercolor",
+	[EFocus] = 	"focus",
+	[EHide] =		"hide",
+	[EImage] =	"image",
+	[ERect] =		"rect",
+	[EReveal] =	"reveal",
+	[EShow] =		"show",
+	[ESize] =		"size",
+	nil
+};
+
+static void
+boxkey(Control *c, Rune *rp)
+{
+	Box *b;
+
+	b = (Box*)c;
+	chanprint(b->event, "%q: key 0x%x", b->name, rp[0]);
+}
+
+static void
+boxmouse(Control *c, Mouse *m)
+{
+	Box *b;
+
+	b = (Box*)c;
+	if (ptinrect(m->xy,b->rect))
+		chanprint(b->event, "%q: mouse %P %d %ld", b->name,
+			m->xy, m->buttons, m->msec);
+}
+
+static void
+boxfree(Control *c)
+{
+	_putctlimage(((Box*)c)->image);
+}
+
+static void
+boxshow(Box *b)
+{
+	Image *i;
+	Rectangle r;
+
+	if(b->hidden)
+		return;
+	if(b->border > 0){
+		border(b->screen, b->rect, b->border, b->bordercolor->image, ZP);
+		r = insetrect(b->rect, b->border);
+	}else
+		r = b->rect;
+	i = b->image->image;
+	/* BUG: ALIGNMENT AND CLIPPING */
+	draw(b->screen, r, i, nil, ZP);
+}
+
+static void
+boxctl(Control *c, CParse *cp)
+{
+	int cmd;
+	Rectangle r;
+	Box *b;
+
+	b = (Box*)c;
+	cmd = _ctllookup(cp->args[0], cmds, nelem(cmds));
+	switch(cmd){
+	default:
+		ctlerror("%q: unrecognized message '%s'", b->name, cp->str);
+		break;
+	case EAlign:
+		_ctlargcount(b, cp, 2);
+		b->align = _ctlalignment(cp->args[1]);
+		break;
+	case EBorder:
+		_ctlargcount(b, cp, 2);
+		if(cp->iargs[1] < 0)
+			ctlerror("%q: bad border: %c", b->name, cp->str);
+		b->border = cp->iargs[1];
+		break;
+	case EBordercolor:
+		_ctlargcount(b, cp, 2);
+		_setctlimage(b, &b->bordercolor, cp->args[1]);
+		break;
+	case EFocus:
+		_ctlargcount(b, cp, 2);
+		chanprint(b->event, "%q: focus %s", b->name, cp->args[1]);
+		break;
+	case EHide:
+		_ctlargcount(b, cp, 1);
+		b->hidden = 1;
+		break;
+	case EImage:
+		_ctlargcount(b, cp, 2);
+		_setctlimage(b, &b->image, cp->args[1]);
+		break;
+	case ERect:
+		_ctlargcount(b, cp, 5);
+		r.min.x = cp->iargs[1];
+		r.min.y = cp->iargs[2];
+		r.max.x = cp->iargs[3];
+		r.max.y = cp->iargs[4];
+		if(Dx(r)<0 || Dy(r)<0)
+			ctlerror("%q: bad rectangle: %s", b->name, cp->str);
+		b->rect = r;
+		break;
+	case EReveal:
+		_ctlargcount(b, cp, 1);
+		b->hidden = 0;
+		boxshow(b);
+		break;
+	case EShow:
+		_ctlargcount(b, cp, 1);
+		boxshow(b);
+		break;
+	case ESize:
+		if (cp->nargs == 3)
+			r.max = Pt(0x7fffffff, 0x7fffffff);
+		else{
+			_ctlargcount(b, cp, 5);
+			r.max.x = cp->iargs[3];
+			r.max.y = cp->iargs[4];
+		}
+		r.min.x = cp->iargs[1];
+		r.min.y = cp->iargs[2];
+		if(r.min.x<=0 || r.min.y<=0 || r.max.x<=0 || r.max.y<=0 || r.max.x < r.min.x || r.max.y < r.min.y)
+			ctlerror("%q: bad sizes: %s", b->name, cp->str);
+		b->size.min = r.min;
+		b->size.max = r.max;
+		break;
+	}
+}
+
+Control*
+createbox(Controlset *cs, char *name)
+{
+	Box *b;
+
+	b = (Box *)_createctl(cs, "box", sizeof(Box), name);
+	b->image = _getctlimage("white");
+	b->bordercolor = _getctlimage("black");
+	b->align = Aupperleft;
+	b->key = boxkey;
+	b->mouse = boxmouse;
+	b->ctl = boxctl;
+	b->exit = boxfree;
+	return (Control *)b;
+}