SmoothScroll is a UI utility; moved it

1 files changed, 0 insertions, 117 deletions

diff --git a/src/ui/documentwidget.c b/src/ui/documentwidget.c
index 635bf3e6..1298dda9 100644
--- a/src/ui/documentwidget.c
+++ b/src/ui/documentwidget.c
@@ -198,123 +198,6 @@ static void prerender_DocumentWidget_           (iAny *);
 static void scrollBegan_DocumentWidget_         (iAnyObject *, int, uint32_t);
 
 static const int smoothDuration_DocumentWidget_  = 600; /* milliseconds */
-static const int outlineMinWidth_DocumentWdiget_ = 45;  /* times gap_UI */
-static const int outlineMaxWidth_DocumentWidget_ = 65;  /* times gap_UI */
-static const int outlinePadding_DocumentWidget_  = 3;   /* times gap_UI */
-
-
-iDeclareType(SmoothScroll)
-
-typedef void (*iSmoothScrollNotifyFunc)(iAnyObject *, int offset, uint32_t span);
-
-struct Impl_SmoothScroll {
-    iWidget *widget;
-    iSmoothScrollNotifyFunc notify;
-    iAnim    pos;
-    int      max;
-    int      overscroll;
-};
-
-void reset_SmoothScroll(iSmoothScroll *d) {
-    init_Anim(&d->pos, 0);
-    d->max = 0;
-    d->overscroll = (deviceType_App() != desktop_AppDeviceType ? 100 * gap_UI : 0);
-}
-
-void init_SmoothScroll(iSmoothScroll *d, iWidget *owner, iSmoothScrollNotifyFunc notify) {
-    d->widget = owner;
-    d->notify = notify;
-    reset_SmoothScroll(d);
-}
-
-void setMax_SmoothScroll(iSmoothScroll *d, int max) {
-    max = iMax(0, max);
-    if (max != d->max) {
-        d->max = max;
-        if (targetValue_Anim(&d->pos) > d->max) {
-            d->pos.to = d->max;
-        }
-    }
-}
-
-static int overscroll_SmoothScroll_(const iSmoothScroll *d) {
-    if (d->overscroll) {
-        const int y = value_Anim(&d->pos);
-        if (y <= 0) {
-            return y;
-        }
-        if (y >= d->max) {
-            return y - d->max;
-        }
-    }
-    return 0;
-}
-
-float pos_SmoothScroll(const iSmoothScroll *d) {
-    return value_Anim(&d->pos) - overscroll_SmoothScroll_(d) * 0.667f;
-}
-
-iBool isFinished_SmoothScroll(const iSmoothScroll *d) {
-    return isFinished_Anim(&d->pos);
-}
-
-void moveSpan_SmoothScroll(iSmoothScroll *d, int offset, uint32_t span) {
-#if !defined (iPlatformMobile)
-    if (!prefs_App()->smoothScrolling) {
-        span = 0; /* always instant */
-    }
-#endif
-    int destY = targetValue_Anim(&d->pos) + offset;
-    if (destY < -d->overscroll) {
-        destY = -d->overscroll;
-    }
-    if (d->max > 0) {
-        if (destY >= d->max + d->overscroll) {
-            destY = d->max + d->overscroll;
-        }
-    }
-    else {
-        destY = 0;
-    }
-    if (span) {
-        setValueEased_Anim(&d->pos, destY, span);
-    }
-    else {
-        setValue_Anim(&d->pos, destY, 0);
-    }
-    if (d->overscroll && widgetMode_Touch(d->widget) == momentum_WidgetTouchMode) {
-        const int osDelta = overscroll_SmoothScroll_(d);
-        if (osDelta) {
-            const float remaining = stopWidgetMomentum_Touch(d->widget);
-            span = iMini(1000, 50 * sqrt(remaining / gap_UI));
-            setValue_Anim(&d->pos, osDelta < 0 ? 0 : d->max, span);
-            d->pos.flags = bounce_AnimFlag | easeOut_AnimFlag | softer_AnimFlag;
-//            printf("remaining: %f  dur: %d\n", remaining, duration);
-            d->pos.bounce = (osDelta < 0 ? -1 : 1) *
-                iMini(5 * d->overscroll, remaining * remaining * 0.00005f);
-        }
-    }
-    if (d->notify) {
-        d->notify(d->widget, offset, span);
-    }
-}
-
-void move_SmoothScroll(iSmoothScroll *d, int offset) {
-    moveSpan_SmoothScroll(d, offset, 0 /* instantly */);
-}
-
-iBool processEvent_SmoothScroll(iSmoothScroll *d, const SDL_Event *ev) {
-    if (ev->type == SDL_USEREVENT && ev->user.code == widgetTouchEnds_UserEventCode) {
-        const int osDelta = overscroll_SmoothScroll_(d);
-        if (osDelta) {
-            moveSpan_SmoothScroll(d, -osDelta, 100 * sqrt(iAbs(osDelta) / gap_UI));
-            d->pos.flags = easeOut_AnimFlag | muchSofter_AnimFlag;
-        }
-        return iTrue;
-    }
-    return iFalse;
-}
-
 
 enum iRequestState {
     blank_RequestState,