void CPUpdateInfo(CharView *cv, GEvent *event) {
if ( !cv->showcpinfo )
return;
if ( !cv->p.pressed ) {
if ( cv->ruler_w!=NULL && GDrawIsVisible(cv->ruler_w)) {
GDrawDestroyWindow(cv->ruler_w);
cv->ruler_w = NULL;
}
return;
}
if ( cv->ruler_w==NULL )
CPStartInfo(cv,event);
else {
CpInfoPlace(cv,event);
GDrawSync(NULL);
GDrawProcessPendingEvents(NULL); /* The resize needs to happen before the expose */
if ( !cv->p.pressed ) /* but a mouse up might sneak in... */
return;
GDrawRequestExpose(cv->ruler_w,NULL,false);
}
}
void CVMouseMoveRuler(CharView *cv, GEvent *event) {
if ( cv->autonomous_ruler_w )
return;
if ( !cv->p.pressed && (event->u.mouse.state&ksm_alt) ) {
if ( cv->ruler_w!=NULL && GDrawIsVisible(cv->ruler_w)) {
GDrawDestroyWindow(cv->ruler_w);
cv->ruler_w = NULL;
}
return;
}
if ( !cv->p.pressed )
CVMouseAtSpline(cv,event);
RulerPlace(cv,event);
if ( !cv->p.pressed )
GDrawSetVisible(cv->ruler_w,true);
GDrawSync(NULL);
GDrawProcessPendingEvents(NULL); /* The resize needs to happen before the expose */
if ( !cv->p.pressed && (event->u.mouse.state&ksm_alt) ) /* but a mouse up might sneak in... */
return;
GDrawRequestExpose(cv->ruler_w,NULL,false);
GDrawRequestExpose(cv->v,NULL,false);
}
static void GRowColScrollBy(GRowCol *grc,int loff,int xoff) {
int top = GRowColTopInWindow(grc,grc->ltot-1);
int ydiff, i;
if ( grc->loff + loff < 0 )
loff = -grc->loff;
else if ( grc->loff + loff > top )
loff = top-grc->loff;
if ( xoff+grc->xoff<0 )
xoff = -grc->xoff;
else if ( xoff+grc->xoff+grc->g.inner.width > grc->xmax ) {
xoff = grc->xmax-grc->g.inner.width-grc->xoff;
if ( xoff<0 ) xoff = 0;
}
if ( loff == 0 && xoff==0 )
return;
ydiff = 0;
if ( loff>0 ) {
for ( i=0; i<loff && ydiff<grc->g.inner.height; ++i )
ydiff += GTextInfoGetHeight(grc->g.base,grc->ti[i+grc->loff],grc->font);
} else if ( loff<0 ) {
for ( i=loff; i<0 && -ydiff<grc->g.inner.height; ++i )
ydiff -= GTextInfoGetHeight(grc->g.base,grc->ti[i+grc->loff],grc->font);
}
if ( !GDrawIsVisible(grc->g.base))
return;
GDrawForceUpdate(grc->g.base);
grc->loff += loff; grc->xoff += xoff;
if ( ydiff>=grc->g.inner.height || -ydiff >= grc->g.inner.height )
_ggadget_redraw(&grc->g);
else if ( ydiff!=0 || xoff!=0 )
GDrawScroll(grc->g.base,&grc->g.inner,xoff,ydiff);
if ( loff!=0 )
GScrollBarSetPos(&grc->vsb->g,grc->loff);
}
