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pointselect.c
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pointselect.c
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/*
PROJECT: ppt
MODULE: rectangleselect.c
This module contains the point selection routines. They're placed
here for easier profiling. This code is always run
on the main task.
$Id: pointselect.c,v 1.3 1999/09/05 17:08:59 jj Exp $
*/
#include "defs.h"
#include "misc.h"
#ifndef GRAPHICS_GFXMACROS_H
#include <graphics/gfxmacros.h>
#endif
/*-------------------------------------------------------------------------*/
/// DrawPickPointSelector
Local
VOID DrawPickPointSelector(FRAME *frame, WORD mousex, WORD mousey)
{
WORD winbottom, winright, xoffset, yoffset;
struct Window *win = frame->disp->win;
if( frame->disp->RenderArea ) {
struct IBox *abox;
GetAttr(AREA_AreaBox, frame->disp->RenderArea, (ULONG *) & abox);
winright = abox->Width+abox->Left;
winbottom = abox->Height+abox->Top;
xoffset = abox->Left;
yoffset = abox->Top;
} else return;
CLAMP(mousex,xoffset,winright);
CLAMP(mousey,yoffset,winbottom);
SetDrMd(win->RPort, COMPLEMENT);
SetDrPt(win->RPort, (UWORD) frame->disp->selpt); // Uses just lower 16 bits
Move( win->RPort, mousex, yoffset );
Draw( win->RPort, mousex, winbottom );
Move( win->RPort, xoffset, mousey );
Draw( win->RPort, winright, mousey );
}
///
/// PickPointButtonDown
Local
VOID PickPointButtonDown( FRAME *frame, struct MouseLocationMsg *msg )
{
WORD xloc = msg->xloc;
WORD yloc = msg->yloc;
struct gPointMessage *gp;
/*
* We have a point. Tell the external about the user selection
*/
gp = (struct gPointMessage *) AllocPPTMsg(sizeof(struct gPointMessage), globxd);
if( gp ) {
D(bug("PICKPOINT msg sent: (%d,%d)\n",xloc,yloc));
gp->msg.code = PPTMSG_PICK_POINT;
gp->x = xloc;
gp->y = yloc;
SendInputMsg( frame, gp );
} else {
Panic("Can't alloc gPointMsg\n");
}
}
///
/// PickPointMouseMove
Local
VOID PickPointMouseMove( FRAME *frame, struct MouseLocationMsg *msg )
{
struct Selection *selection = &frame->selection;
static WORD ox = 0,oy = 0;
/* Erase */
if( selection->selstatus & SELF_DRAWN ) {
DrawPickPointSelector(frame, ox, oy);
}
/* Redraw */
DrawPickPointSelector(frame, msg->mousex, msg->mousey);
selection->selstatus |= SELF_DRAWN;
ox = msg->mousex;
oy = msg->mousey;
}
///
#if 0
/// PickPointControlButtonDown
Local
VOID PickPointControlButtonDown( FRAME *frame, struct MouseLocationMsg *msg )
{
struct Selection *selection = &frame->selection;
WORD mousex = msg->mousex;
WORD mousey = msg->mousey;
struct Rectangle *cb = &frame->disp->handles;
}
///
/// PickPointButtonUp
Local
VOID PickPointButtonUp( FRAME *frame, struct MouseLocationMsg *msg )
{
struct Selection *selection = &frame->selection;
WORD xloc = msg->xloc;
WORD yloc = msg->yloc;
struct Rectangle *sb = &frame->selbox;
}
///
/// PickPointIsInArea
Local
BOOL PickPointIsInArea( FRAME *frame, struct MouseLocationMsg *msg )
{
}
///
/// PickPointDraw() & PickPointErase()
Local
VOID PickPointDraw( FRAME *frame, ULONG flags )
{
}
Local
VOID PickPointErase( FRAME *frame )
{
}
///
#endif
Prototype PERROR InitPickPointSelection( FRAME *frame );
PERROR InitPickPointSelection( FRAME *frame )
{
struct Selection *s = &frame->selection;
D(bug("InitPickPointSelection(%08X)\n",frame));
s->ButtonDown = PickPointButtonDown;
s->ButtonUp = NULL;
s->ControlButtonDown = NULL;
s->DrawSelection = NULL;
s->EraseSelection = NULL;
s->MouseMove = PickPointMouseMove;
s->IsInArea = NULL;
return PERR_OK;
}