// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/pdfwindow/PWL_ScrollBar.h"
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#include "core/fxge/include/fx_ge.h"
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#include "fpdfsdk/pdfwindow/PWL_Utils.h"
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#include "fpdfsdk/pdfwindow/PWL_Wnd.h"
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#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
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#define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
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#define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
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#define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb))
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PWL_FLOATRANGE::PWL_FLOATRANGE() {
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Default();
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}
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PWL_FLOATRANGE::PWL_FLOATRANGE(FX_FLOAT min, FX_FLOAT max) {
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Set(min, max);
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}
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void PWL_FLOATRANGE::Default() {
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fMin = 0;
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fMax = 0;
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}
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void PWL_FLOATRANGE::Set(FX_FLOAT min, FX_FLOAT max) {
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if (min > max) {
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fMin = max;
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fMax = min;
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} else {
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fMin = min;
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fMax = max;
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}
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}
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FX_BOOL PWL_FLOATRANGE::In(FX_FLOAT x) const {
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return (IsFloatBigger(x, fMin) || IsFloatEqual(x, fMin)) &&
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(IsFloatSmaller(x, fMax) || IsFloatEqual(x, fMax));
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}
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FX_FLOAT PWL_FLOATRANGE::GetWidth() const {
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return fMax - fMin;
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}
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PWL_SCROLL_PRIVATEDATA::PWL_SCROLL_PRIVATEDATA() {
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Default();
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}
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void PWL_SCROLL_PRIVATEDATA::Default() {
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ScrollRange.Default();
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fScrollPos = ScrollRange.fMin;
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fClientWidth = 0;
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fBigStep = 10;
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fSmallStep = 1;
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}
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void PWL_SCROLL_PRIVATEDATA::SetScrollRange(FX_FLOAT min, FX_FLOAT max) {
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ScrollRange.Set(min, max);
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if (IsFloatSmaller(fScrollPos, ScrollRange.fMin))
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fScrollPos = ScrollRange.fMin;
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if (IsFloatBigger(fScrollPos, ScrollRange.fMax))
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fScrollPos = ScrollRange.fMax;
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}
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void PWL_SCROLL_PRIVATEDATA::SetClientWidth(FX_FLOAT width) {
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fClientWidth = width;
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}
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void PWL_SCROLL_PRIVATEDATA::SetSmallStep(FX_FLOAT step) {
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fSmallStep = step;
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}
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void PWL_SCROLL_PRIVATEDATA::SetBigStep(FX_FLOAT step) {
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fBigStep = step;
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}
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FX_BOOL PWL_SCROLL_PRIVATEDATA::SetPos(FX_FLOAT pos) {
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if (ScrollRange.In(pos)) {
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fScrollPos = pos;
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return TRUE;
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}
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return FALSE;
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}
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void PWL_SCROLL_PRIVATEDATA::AddSmall() {
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if (!SetPos(fScrollPos + fSmallStep))
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SetPos(ScrollRange.fMax);
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}
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void PWL_SCROLL_PRIVATEDATA::SubSmall() {
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if (!SetPos(fScrollPos - fSmallStep))
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SetPos(ScrollRange.fMin);
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}
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void PWL_SCROLL_PRIVATEDATA::AddBig() {
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if (!SetPos(fScrollPos + fBigStep))
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SetPos(ScrollRange.fMax);
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}
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void PWL_SCROLL_PRIVATEDATA::SubBig() {
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if (!SetPos(fScrollPos - fBigStep))
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SetPos(ScrollRange.fMin);
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}
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CPWL_SBButton::CPWL_SBButton(PWL_SCROLLBAR_TYPE eScrollBarType,
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PWL_SBBUTTON_TYPE eButtonType) {
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m_eScrollBarType = eScrollBarType;
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m_eSBButtonType = eButtonType;
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m_bMouseDown = FALSE;
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}
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CPWL_SBButton::~CPWL_SBButton() {}
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CFX_ByteString CPWL_SBButton::GetClassName() const {
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return "CPWL_SBButton";
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}
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void CPWL_SBButton::OnCreate(PWL_CREATEPARAM& cp) {
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cp.eCursorType = FXCT_ARROW;
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}
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void CPWL_SBButton::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
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CPWL_Wnd::GetThisAppearanceStream(sAppStream);
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if (!IsVisible())
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return;
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CFX_ByteTextBuf sButton;
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CFX_FloatRect rectWnd = GetWindowRect();
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if (rectWnd.IsEmpty())
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return;
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sAppStream << "q\n";
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CFX_FloatPoint ptCenter = GetCenterPoint();
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switch (m_eScrollBarType) {
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case SBT_HSCROLL:
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switch (m_eSBButtonType) {
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case PSBT_MIN: {
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CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y);
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CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y + PWL_TRIANGLE_HALFLEN);
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CFX_FloatPoint pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y - PWL_TRIANGLE_HALFLEN);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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sButton << "0 g\n";
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sButton << pt1.x << " " << pt1.y << " m\n";
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sButton << pt2.x << " " << pt2.y << " l\n";
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sButton << pt3.x << " " << pt3.y << " l\n";
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sButton << pt1.x << " " << pt1.y << " l f\n";
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sAppStream << sButton;
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}
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} break;
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case PSBT_MAX: {
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CFX_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y);
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CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y + PWL_TRIANGLE_HALFLEN);
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CFX_FloatPoint pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y - PWL_TRIANGLE_HALFLEN);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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sButton << "0 g\n";
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sButton << pt1.x << " " << pt1.y << " m\n";
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sButton << pt2.x << " " << pt2.y << " l\n";
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sButton << pt3.x << " " << pt3.y << " l\n";
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sButton << pt1.x << " " << pt1.y << " l f\n";
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sAppStream << sButton;
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}
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} break;
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default:
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break;
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}
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break;
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case SBT_VSCROLL:
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switch (m_eSBButtonType) {
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case PSBT_MIN: {
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CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
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ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
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CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
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ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
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CFX_FloatPoint pt3(ptCenter.x,
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ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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sButton << "0 g\n";
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sButton << pt1.x << " " << pt1.y << " m\n";
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sButton << pt2.x << " " << pt2.y << " l\n";
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sButton << pt3.x << " " << pt3.y << " l\n";
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sButton << pt1.x << " " << pt1.y << " l f\n";
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sAppStream << sButton;
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}
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} break;
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case PSBT_MAX: {
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CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN,
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ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
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CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN,
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ptCenter.y + PWL_TRIANGLE_HALFLEN * 0.5f);
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CFX_FloatPoint pt3(ptCenter.x,
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ptCenter.y - PWL_TRIANGLE_HALFLEN * 0.5f);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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sButton << "0 g\n";
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sButton << pt1.x << " " << pt1.y << " m\n";
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sButton << pt2.x << " " << pt2.y << " l\n";
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sButton << pt3.x << " " << pt3.y << " l\n";
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sButton << pt1.x << " " << pt1.y << " l f\n";
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sAppStream << sButton;
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}
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} break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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sAppStream << "Q\n";
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}
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void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
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CFX_Matrix* pUser2Device) {
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if (!IsVisible())
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return;
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CFX_FloatRect rectWnd = GetWindowRect();
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if (rectWnd.IsEmpty())
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return;
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CFX_FloatPoint ptCenter = GetCenterPoint();
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int32_t nTransparancy = GetTransparency();
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switch (m_eScrollBarType) {
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case SBT_HSCROLL:
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CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
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switch (m_eSBButtonType) {
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case PSBT_MIN: {
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CFX_FloatPoint pt1(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y);
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CFX_FloatPoint pt2(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y + PWL_TRIANGLE_HALFLEN);
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CFX_FloatPoint pt3(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y - PWL_TRIANGLE_HALFLEN);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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CFX_PathData path;
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path.SetPointCount(4);
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path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
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path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
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path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
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path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
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pDevice->DrawPath(&path, pUser2Device, nullptr,
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CPWL_Utils::PWLColorToFXColor(
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PWL_DEFAULT_BLACKCOLOR, nTransparancy),
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0, FXFILL_ALTERNATE);
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}
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} break;
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case PSBT_MAX: {
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CFX_FloatPoint pt1(ptCenter.x + PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y);
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CFX_FloatPoint pt2(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y + PWL_TRIANGLE_HALFLEN);
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CFX_FloatPoint pt3(ptCenter.x - PWL_TRIANGLE_HALFLEN * 0.5f,
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ptCenter.y - PWL_TRIANGLE_HALFLEN);
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if (rectWnd.right - rectWnd.left > PWL_TRIANGLE_HALFLEN * 2 &&
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rectWnd.top - rectWnd.bottom > PWL_TRIANGLE_HALFLEN) {
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CFX_PathData path;
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path.SetPointCount(4);
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path.SetPoint(0, pt1.x, pt1.y, FXPT_MOVETO);
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path.SetPoint(1, pt2.x, pt2.y, FXPT_LINETO);
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path.SetPoint(2, pt3.x, pt3.y, FXPT_LINETO);
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path.SetPoint(3, pt1.x, pt1.y, FXPT_LINETO);
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pDevice->DrawPath(&path, pUser2Device, nullptr,
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CPWL_Utils::PWLColorToFXColor(
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PWL_DEFAULT_BLACKCOLOR, nTransparancy),
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0, FXFILL_ALTERNATE);
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}
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} break;
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default:
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break;
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}
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break;
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case SBT_VSCROLL:
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switch (m_eSBButtonType) {
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case PSBT_MIN: {
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// draw border
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CFX_FloatRect rcDraw = rectWnd;
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 100, 100, 100),
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0.0f);
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// draw inner border
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rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 255, 255, 255),
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1.0f);
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// draw background
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rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
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if (IsEnabled())
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CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw,
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nTransparancy, 80, 220);
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else
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CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(255, 255, 255, 255));
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// draw arrow
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if (rectWnd.top - rectWnd.bottom > 6.0f) {
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FX_FLOAT fX = rectWnd.left + 1.5f;
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FX_FLOAT fY = rectWnd.bottom;
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CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 4.0f),
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CFX_FloatPoint(fX + 2.5f, fY + 3.0f),
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CFX_FloatPoint(fX + 4.5f, fY + 5.0f),
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CFX_FloatPoint(fX + 6.5f, fY + 3.0f),
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CFX_FloatPoint(fX + 6.5f, fY + 4.0f),
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CFX_FloatPoint(fX + 4.5f, fY + 6.0f),
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CFX_FloatPoint(fX + 2.5f, fY + 4.0f)};
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if (IsEnabled())
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CPWL_Utils::DrawFillArea(
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pDevice, pUser2Device, pts, 7,
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ArgbEncode(nTransparancy, 255, 255, 255));
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else
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CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
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CPWL_Utils::PWLColorToFXColor(
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PWL_DEFAULT_HEAVYGRAYCOLOR, 255));
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}
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} break;
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case PSBT_MAX: {
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// draw border
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CFX_FloatRect rcDraw = rectWnd;
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 100, 100, 100),
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0.0f);
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// draw inner border
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rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 255, 255, 255),
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1.0f);
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// draw background
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rcDraw = CPWL_Utils::DeflateRect(rectWnd, 1.0f);
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if (IsEnabled())
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CPWL_Utils::DrawShadow(pDevice, pUser2Device, TRUE, FALSE, rcDraw,
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nTransparancy, 80, 220);
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else
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CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(255, 255, 255, 255));
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// draw arrow
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if (rectWnd.top - rectWnd.bottom > 6.0f) {
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FX_FLOAT fX = rectWnd.left + 1.5f;
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FX_FLOAT fY = rectWnd.bottom;
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CFX_FloatPoint pts[7] = {CFX_FloatPoint(fX + 2.5f, fY + 5.0f),
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CFX_FloatPoint(fX + 2.5f, fY + 6.0f),
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CFX_FloatPoint(fX + 4.5f, fY + 4.0f),
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CFX_FloatPoint(fX + 6.5f, fY + 6.0f),
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CFX_FloatPoint(fX + 6.5f, fY + 5.0f),
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CFX_FloatPoint(fX + 4.5f, fY + 3.0f),
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CFX_FloatPoint(fX + 2.5f, fY + 5.0f)};
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if (IsEnabled())
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CPWL_Utils::DrawFillArea(
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pDevice, pUser2Device, pts, 7,
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ArgbEncode(nTransparancy, 255, 255, 255));
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else
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CPWL_Utils::DrawFillArea(pDevice, pUser2Device, pts, 7,
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CPWL_Utils::PWLColorToFXColor(
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PWL_DEFAULT_HEAVYGRAYCOLOR, 255));
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}
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} break;
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case PSBT_POS: {
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// draw border
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CFX_FloatRect rcDraw = rectWnd;
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 100, 100, 100),
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0.0f);
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// draw inner border
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rcDraw = CPWL_Utils::DeflateRect(rectWnd, 0.5f);
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CPWL_Utils::DrawStrokeRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(nTransparancy, 255, 255, 255),
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1.0f);
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if (IsEnabled()) {
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// draw shadow effect
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CFX_FloatPoint ptTop =
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CFX_FloatPoint(rectWnd.left, rectWnd.top - 1.0f);
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CFX_FloatPoint ptBottom =
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CFX_FloatPoint(rectWnd.left, rectWnd.bottom + 1.0f);
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ptTop.x += 1.5f;
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ptBottom.x += 1.5f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 210, 210, 210),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 220, 220, 220),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 240, 240, 240),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 240, 240, 240),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 210, 210, 210),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 180, 180, 180),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 150, 150, 150),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 150, 150, 150),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 180, 180, 180),
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1.0f);
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ptTop.x += 1.0f;
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ptBottom.x += 1.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptTop, ptBottom,
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ArgbEncode(nTransparancy, 210, 210, 210),
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1.0f);
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} else {
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CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rcDraw,
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ArgbEncode(255, 255, 255, 255));
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}
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// draw friction
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if (rectWnd.Height() > 8.0f) {
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FX_COLORREF crStroke = ArgbEncode(nTransparancy, 120, 120, 120);
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if (!IsEnabled())
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crStroke = CPWL_Utils::PWLColorToFXColor(
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PWL_DEFAULT_HEAVYGRAYCOLOR, 255);
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FX_FLOAT nFrictionWidth = 5.0f;
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FX_FLOAT nFrictionHeight = 5.5f;
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CFX_FloatPoint ptLeft =
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CFX_FloatPoint(ptCenter.x - nFrictionWidth / 2.0f,
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ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
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CFX_FloatPoint ptRight =
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CFX_FloatPoint(ptCenter.x + nFrictionWidth / 2.0f,
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ptCenter.y - nFrictionHeight / 2.0f + 0.5f);
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
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crStroke, 1.0f);
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ptLeft.y += 2.0f;
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ptRight.y += 2.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
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crStroke, 1.0f);
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ptLeft.y += 2.0f;
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ptRight.y += 2.0f;
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CPWL_Utils::DrawStrokeLine(pDevice, pUser2Device, ptLeft, ptRight,
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crStroke, 1.0f);
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}
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} break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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FX_BOOL CPWL_SBButton::OnLButtonDown(const CFX_FloatPoint& point,
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uint32_t nFlag) {
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CPWL_Wnd::OnLButtonDown(point, nFlag);
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if (CPWL_Wnd* pParent = GetParentWindow())
|
pParent->OnNotify(this, PNM_LBUTTONDOWN, 0, (intptr_t)&point);
|
|
m_bMouseDown = TRUE;
|
SetCapture();
|
|
return TRUE;
|
}
|
|
FX_BOOL CPWL_SBButton::OnLButtonUp(const CFX_FloatPoint& point,
|
uint32_t nFlag) {
|
CPWL_Wnd::OnLButtonUp(point, nFlag);
|
|
if (CPWL_Wnd* pParent = GetParentWindow())
|
pParent->OnNotify(this, PNM_LBUTTONUP, 0, (intptr_t)&point);
|
|
m_bMouseDown = FALSE;
|
ReleaseCapture();
|
|
return TRUE;
|
}
|
|
FX_BOOL CPWL_SBButton::OnMouseMove(const CFX_FloatPoint& point,
|
uint32_t nFlag) {
|
CPWL_Wnd::OnMouseMove(point, nFlag);
|
|
if (CPWL_Wnd* pParent = GetParentWindow()) {
|
pParent->OnNotify(this, PNM_MOUSEMOVE, 0, (intptr_t)&point);
|
}
|
|
return TRUE;
|
}
|
|
CPWL_ScrollBar::CPWL_ScrollBar(PWL_SCROLLBAR_TYPE sbType)
|
: m_sbType(sbType),
|
m_pMinButton(nullptr),
|
m_pMaxButton(nullptr),
|
m_pPosButton(nullptr),
|
m_bMouseDown(FALSE),
|
m_bMinOrMax(FALSE),
|
m_bNotifyForever(TRUE) {}
|
|
CPWL_ScrollBar::~CPWL_ScrollBar() {}
|
|
CFX_ByteString CPWL_ScrollBar::GetClassName() const {
|
return "CPWL_ScrollBar";
|
}
|
|
void CPWL_ScrollBar::OnCreate(PWL_CREATEPARAM& cp) {
|
cp.eCursorType = FXCT_ARROW;
|
}
|
|
void CPWL_ScrollBar::RePosChildWnd() {
|
CFX_FloatRect rcClient = GetClientRect();
|
CFX_FloatRect rcMinButton, rcMaxButton;
|
FX_FLOAT fBWidth = 0;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
if (rcClient.right - rcClient.left >
|
PWL_SCROLLBAR_BUTTON_WIDTH * 2 + PWL_SCROLLBAR_POSBUTTON_MINWIDTH +
|
2) {
|
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
|
rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.top);
|
rcMaxButton =
|
CFX_FloatRect(rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.bottom, rcClient.right, rcClient.top);
|
} else {
|
fBWidth = (rcClient.right - rcClient.left -
|
PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
|
2;
|
|
if (fBWidth > 0) {
|
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.bottom,
|
rcClient.left + fBWidth, rcClient.top);
|
rcMaxButton = CFX_FloatRect(rcClient.right - fBWidth, rcClient.bottom,
|
rcClient.right, rcClient.top);
|
} else {
|
SetVisible(FALSE);
|
}
|
}
|
break;
|
case SBT_VSCROLL:
|
if (IsFloatBigger(rcClient.top - rcClient.bottom,
|
PWL_SCROLLBAR_BUTTON_WIDTH * 2 +
|
PWL_SCROLLBAR_POSBUTTON_MINWIDTH + 2)) {
|
rcMinButton = CFX_FloatRect(rcClient.left,
|
rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.right, rcClient.top);
|
rcMaxButton =
|
CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right,
|
rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH);
|
} else {
|
fBWidth = (rcClient.top - rcClient.bottom -
|
PWL_SCROLLBAR_POSBUTTON_MINWIDTH - 2) /
|
2;
|
|
if (IsFloatBigger(fBWidth, 0)) {
|
rcMinButton = CFX_FloatRect(rcClient.left, rcClient.top - fBWidth,
|
rcClient.right, rcClient.top);
|
rcMaxButton =
|
CFX_FloatRect(rcClient.left, rcClient.bottom, rcClient.right,
|
rcClient.bottom + fBWidth);
|
} else {
|
SetVisible(FALSE);
|
}
|
}
|
break;
|
}
|
|
if (m_pMinButton)
|
m_pMinButton->Move(rcMinButton, TRUE, FALSE);
|
if (m_pMaxButton)
|
m_pMaxButton->Move(rcMaxButton, TRUE, FALSE);
|
MovePosButton(FALSE);
|
}
|
|
void CPWL_ScrollBar::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
|
CFX_FloatRect rectWnd = GetWindowRect();
|
|
if (IsVisible() && !rectWnd.IsEmpty()) {
|
CFX_ByteTextBuf sButton;
|
|
sButton << "q\n";
|
sButton << "0 w\n"
|
<< CPWL_Utils::GetColorAppStream(GetBackgroundColor(), TRUE)
|
.AsStringC();
|
sButton << rectWnd.left << " " << rectWnd.bottom << " "
|
<< rectWnd.right - rectWnd.left << " "
|
<< rectWnd.top - rectWnd.bottom << " re b Q\n";
|
|
sAppStream << sButton;
|
}
|
}
|
|
void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice,
|
CFX_Matrix* pUser2Device) {
|
CFX_FloatRect rectWnd = GetWindowRect();
|
|
if (IsVisible() && !rectWnd.IsEmpty()) {
|
CPWL_Utils::DrawFillRect(pDevice, pUser2Device, rectWnd,
|
GetBackgroundColor(), GetTransparency());
|
|
CPWL_Utils::DrawStrokeLine(
|
pDevice, pUser2Device,
|
CFX_FloatPoint(rectWnd.left + 2.0f, rectWnd.top - 2.0f),
|
CFX_FloatPoint(rectWnd.left + 2.0f, rectWnd.bottom + 2.0f),
|
ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
|
|
CPWL_Utils::DrawStrokeLine(
|
pDevice, pUser2Device,
|
CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.top - 2.0f),
|
CFX_FloatPoint(rectWnd.right - 2.0f, rectWnd.bottom + 2.0f),
|
ArgbEncode(GetTransparency(), 100, 100, 100), 1.0f);
|
}
|
}
|
|
FX_BOOL CPWL_ScrollBar::OnLButtonDown(const CFX_FloatPoint& point,
|
uint32_t nFlag) {
|
CPWL_Wnd::OnLButtonDown(point, nFlag);
|
|
if (HasFlag(PWS_AUTOTRANSPARENT)) {
|
if (GetTransparency() != 255) {
|
SetTransparency(255);
|
InvalidateRect();
|
}
|
}
|
|
CFX_FloatRect rcMinArea, rcMaxArea;
|
|
if (m_pPosButton && m_pPosButton->IsVisible()) {
|
CFX_FloatRect rcClient = GetClientRect();
|
CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect();
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
rcMinArea =
|
CFX_FloatRect(rcClient.left + PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.bottom, rcPosButton.left, rcClient.top);
|
rcMaxArea = CFX_FloatRect(rcPosButton.right, rcClient.bottom,
|
rcClient.right - PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.top);
|
|
break;
|
case SBT_VSCROLL:
|
rcMinArea =
|
CFX_FloatRect(rcClient.left, rcPosButton.top, rcClient.right,
|
rcClient.top - PWL_SCROLLBAR_BUTTON_WIDTH);
|
rcMaxArea = CFX_FloatRect(rcClient.left,
|
rcClient.bottom + PWL_SCROLLBAR_BUTTON_WIDTH,
|
rcClient.right, rcPosButton.bottom);
|
break;
|
}
|
|
rcMinArea.Normalize();
|
rcMaxArea.Normalize();
|
|
if (rcMinArea.Contains(point.x, point.y)) {
|
m_sData.SubBig();
|
MovePosButton(TRUE);
|
NotifyScrollWindow();
|
}
|
|
if (rcMaxArea.Contains(point.x, point.y)) {
|
m_sData.AddBig();
|
MovePosButton(TRUE);
|
NotifyScrollWindow();
|
}
|
}
|
|
return TRUE;
|
}
|
|
FX_BOOL CPWL_ScrollBar::OnLButtonUp(const CFX_FloatPoint& point,
|
uint32_t nFlag) {
|
CPWL_Wnd::OnLButtonUp(point, nFlag);
|
|
if (HasFlag(PWS_AUTOTRANSPARENT)) {
|
if (GetTransparency() != PWL_SCROLLBAR_TRANSPARANCY) {
|
SetTransparency(PWL_SCROLLBAR_TRANSPARANCY);
|
InvalidateRect();
|
}
|
}
|
|
EndTimer();
|
m_bMouseDown = FALSE;
|
|
return TRUE;
|
}
|
|
void CPWL_ScrollBar::OnNotify(CPWL_Wnd* pWnd,
|
uint32_t msg,
|
intptr_t wParam,
|
intptr_t lParam) {
|
CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
|
|
switch (msg) {
|
case PNM_LBUTTONDOWN:
|
if (pWnd == m_pMinButton) {
|
OnMinButtonLBDown(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pMaxButton) {
|
OnMaxButtonLBDown(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pPosButton) {
|
OnPosButtonLBDown(*(CFX_FloatPoint*)lParam);
|
}
|
break;
|
case PNM_LBUTTONUP:
|
if (pWnd == m_pMinButton) {
|
OnMinButtonLBUp(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pMaxButton) {
|
OnMaxButtonLBUp(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pPosButton) {
|
OnPosButtonLBUp(*(CFX_FloatPoint*)lParam);
|
}
|
break;
|
case PNM_MOUSEMOVE:
|
if (pWnd == m_pMinButton) {
|
OnMinButtonMouseMove(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pMaxButton) {
|
OnMaxButtonMouseMove(*(CFX_FloatPoint*)lParam);
|
}
|
|
if (pWnd == m_pPosButton) {
|
OnPosButtonMouseMove(*(CFX_FloatPoint*)lParam);
|
}
|
break;
|
case PNM_SETSCROLLINFO: {
|
if (PWL_SCROLL_INFO* pInfo = (PWL_SCROLL_INFO*)lParam) {
|
if (FXSYS_memcmp(&m_OriginInfo, pInfo, sizeof(PWL_SCROLL_INFO)) != 0) {
|
m_OriginInfo = *pInfo;
|
FX_FLOAT fMax =
|
pInfo->fContentMax - pInfo->fContentMin - pInfo->fPlateWidth;
|
fMax = fMax > 0.0f ? fMax : 0.0f;
|
SetScrollRange(0, fMax, pInfo->fPlateWidth);
|
SetScrollStep(pInfo->fBigStep, pInfo->fSmallStep);
|
}
|
}
|
} break;
|
case PNM_SETSCROLLPOS: {
|
FX_FLOAT fPos = *(FX_FLOAT*)lParam;
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
fPos = fPos - m_OriginInfo.fContentMin;
|
break;
|
case SBT_VSCROLL:
|
fPos = m_OriginInfo.fContentMax - fPos;
|
break;
|
}
|
SetScrollPos(fPos);
|
} break;
|
}
|
}
|
|
void CPWL_ScrollBar::CreateButtons(const PWL_CREATEPARAM& cp) {
|
PWL_CREATEPARAM scp = cp;
|
scp.pParentWnd = this;
|
scp.dwBorderWidth = 2;
|
scp.nBorderStyle = BorderStyle::BEVELED;
|
|
scp.dwFlags =
|
PWS_VISIBLE | PWS_CHILD | PWS_BORDER | PWS_BACKGROUND | PWS_NOREFRESHCLIP;
|
|
if (!m_pMinButton) {
|
m_pMinButton = new CPWL_SBButton(m_sbType, PSBT_MIN);
|
m_pMinButton->Create(scp);
|
}
|
|
if (!m_pMaxButton) {
|
m_pMaxButton = new CPWL_SBButton(m_sbType, PSBT_MAX);
|
m_pMaxButton->Create(scp);
|
}
|
|
if (!m_pPosButton) {
|
m_pPosButton = new CPWL_SBButton(m_sbType, PSBT_POS);
|
m_pPosButton->SetVisible(FALSE);
|
m_pPosButton->Create(scp);
|
}
|
}
|
|
FX_FLOAT CPWL_ScrollBar::GetScrollBarWidth() const {
|
if (!IsVisible())
|
return 0;
|
|
return PWL_SCROLLBAR_WIDTH;
|
}
|
|
void CPWL_ScrollBar::SetScrollRange(FX_FLOAT fMin,
|
FX_FLOAT fMax,
|
FX_FLOAT fClientWidth) {
|
if (m_pPosButton) {
|
m_sData.SetScrollRange(fMin, fMax);
|
m_sData.SetClientWidth(fClientWidth);
|
|
if (IsFloatSmaller(m_sData.ScrollRange.GetWidth(), 0.0f)) {
|
m_pPosButton->SetVisible(FALSE);
|
} else {
|
m_pPosButton->SetVisible(TRUE);
|
MovePosButton(TRUE);
|
}
|
}
|
}
|
|
void CPWL_ScrollBar::SetScrollPos(FX_FLOAT fPos) {
|
FX_FLOAT fOldPos = m_sData.fScrollPos;
|
|
m_sData.SetPos(fPos);
|
|
if (!IsFloatEqual(m_sData.fScrollPos, fOldPos))
|
MovePosButton(TRUE);
|
}
|
|
void CPWL_ScrollBar::SetScrollStep(FX_FLOAT fBigStep, FX_FLOAT fSmallStep) {
|
m_sData.SetBigStep(fBigStep);
|
m_sData.SetSmallStep(fSmallStep);
|
}
|
|
void CPWL_ScrollBar::MovePosButton(FX_BOOL bRefresh) {
|
ASSERT(m_pMinButton);
|
ASSERT(m_pMaxButton);
|
|
if (m_pPosButton->IsVisible()) {
|
CFX_FloatRect rcClient;
|
CFX_FloatRect rcPosArea, rcPosButton;
|
|
rcClient = GetClientRect();
|
rcPosArea = GetScrollArea();
|
|
FX_FLOAT fLeft, fRight, fTop, fBottom;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
fLeft = TrueToFace(m_sData.fScrollPos);
|
fRight = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
|
|
if (fRight - fLeft < PWL_SCROLLBAR_POSBUTTON_MINWIDTH)
|
fRight = fLeft + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
|
|
if (fRight > rcPosArea.right) {
|
fRight = rcPosArea.right;
|
fLeft = fRight - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
|
}
|
|
rcPosButton =
|
CFX_FloatRect(fLeft, rcPosArea.bottom, fRight, rcPosArea.top);
|
|
break;
|
case SBT_VSCROLL:
|
fBottom = TrueToFace(m_sData.fScrollPos + m_sData.fClientWidth);
|
fTop = TrueToFace(m_sData.fScrollPos);
|
|
if (IsFloatSmaller(fTop - fBottom, PWL_SCROLLBAR_POSBUTTON_MINWIDTH))
|
fBottom = fTop - PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
|
|
if (IsFloatSmaller(fBottom, rcPosArea.bottom)) {
|
fBottom = rcPosArea.bottom;
|
fTop = fBottom + PWL_SCROLLBAR_POSBUTTON_MINWIDTH;
|
}
|
|
rcPosButton =
|
CFX_FloatRect(rcPosArea.left, fBottom, rcPosArea.right, fTop);
|
|
break;
|
}
|
|
m_pPosButton->Move(rcPosButton, TRUE, bRefresh);
|
}
|
}
|
|
void CPWL_ScrollBar::OnMinButtonLBDown(const CFX_FloatPoint& point) {
|
m_sData.SubSmall();
|
MovePosButton(TRUE);
|
NotifyScrollWindow();
|
|
m_bMinOrMax = TRUE;
|
|
EndTimer();
|
BeginTimer(100);
|
}
|
|
void CPWL_ScrollBar::OnMinButtonLBUp(const CFX_FloatPoint& point) {}
|
|
void CPWL_ScrollBar::OnMinButtonMouseMove(const CFX_FloatPoint& point) {}
|
|
void CPWL_ScrollBar::OnMaxButtonLBDown(const CFX_FloatPoint& point) {
|
m_sData.AddSmall();
|
MovePosButton(TRUE);
|
NotifyScrollWindow();
|
|
m_bMinOrMax = FALSE;
|
|
EndTimer();
|
BeginTimer(100);
|
}
|
|
void CPWL_ScrollBar::OnMaxButtonLBUp(const CFX_FloatPoint& point) {}
|
|
void CPWL_ScrollBar::OnMaxButtonMouseMove(const CFX_FloatPoint& point) {}
|
|
void CPWL_ScrollBar::OnPosButtonLBDown(const CFX_FloatPoint& point) {
|
m_bMouseDown = TRUE;
|
|
if (m_pPosButton) {
|
CFX_FloatRect rcPosButton = m_pPosButton->GetWindowRect();
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
m_nOldPos = point.x;
|
m_fOldPosButton = rcPosButton.left;
|
break;
|
case SBT_VSCROLL:
|
m_nOldPos = point.y;
|
m_fOldPosButton = rcPosButton.top;
|
break;
|
}
|
}
|
}
|
|
void CPWL_ScrollBar::OnPosButtonLBUp(const CFX_FloatPoint& point) {
|
if (m_bMouseDown) {
|
if (!m_bNotifyForever)
|
NotifyScrollWindow();
|
}
|
m_bMouseDown = FALSE;
|
}
|
|
void CPWL_ScrollBar::OnPosButtonMouseMove(const CFX_FloatPoint& point) {
|
FX_FLOAT fOldScrollPos = m_sData.fScrollPos;
|
|
FX_FLOAT fNewPos = 0;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
if (FXSYS_fabs(point.x - m_nOldPos) < 1)
|
return;
|
fNewPos = FaceToTrue(m_fOldPosButton + point.x - m_nOldPos);
|
break;
|
case SBT_VSCROLL:
|
if (FXSYS_fabs(point.y - m_nOldPos) < 1)
|
return;
|
fNewPos = FaceToTrue(m_fOldPosButton + point.y - m_nOldPos);
|
break;
|
}
|
|
if (m_bMouseDown) {
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
|
if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) {
|
fNewPos = m_sData.ScrollRange.fMin;
|
}
|
|
if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) {
|
fNewPos = m_sData.ScrollRange.fMax;
|
}
|
|
m_sData.SetPos(fNewPos);
|
|
break;
|
case SBT_VSCROLL:
|
|
if (IsFloatSmaller(fNewPos, m_sData.ScrollRange.fMin)) {
|
fNewPos = m_sData.ScrollRange.fMin;
|
}
|
|
if (IsFloatBigger(fNewPos, m_sData.ScrollRange.fMax)) {
|
fNewPos = m_sData.ScrollRange.fMax;
|
}
|
|
m_sData.SetPos(fNewPos);
|
|
break;
|
}
|
|
if (!IsFloatEqual(fOldScrollPos, m_sData.fScrollPos)) {
|
MovePosButton(TRUE);
|
|
if (m_bNotifyForever)
|
NotifyScrollWindow();
|
}
|
}
|
}
|
|
void CPWL_ScrollBar::NotifyScrollWindow() {
|
if (CPWL_Wnd* pParent = GetParentWindow()) {
|
FX_FLOAT fPos;
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
fPos = m_OriginInfo.fContentMin + m_sData.fScrollPos;
|
break;
|
case SBT_VSCROLL:
|
fPos = m_OriginInfo.fContentMax - m_sData.fScrollPos;
|
break;
|
}
|
pParent->OnNotify(this, PNM_SCROLLWINDOW, (intptr_t)m_sbType,
|
(intptr_t)&fPos);
|
}
|
}
|
|
CFX_FloatRect CPWL_ScrollBar::GetScrollArea() const {
|
CFX_FloatRect rcClient = GetClientRect();
|
CFX_FloatRect rcArea;
|
|
if (!m_pMinButton || !m_pMaxButton)
|
return rcClient;
|
|
CFX_FloatRect rcMin = m_pMinButton->GetWindowRect();
|
CFX_FloatRect rcMax = m_pMaxButton->GetWindowRect();
|
|
FX_FLOAT fMinWidth = rcMin.right - rcMin.left;
|
FX_FLOAT fMinHeight = rcMin.top - rcMin.bottom;
|
FX_FLOAT fMaxWidth = rcMax.right - rcMax.left;
|
FX_FLOAT fMaxHeight = rcMax.top - rcMax.bottom;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
if (rcClient.right - rcClient.left > fMinWidth + fMaxWidth + 2) {
|
rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom,
|
rcClient.right - fMaxWidth - 1, rcClient.top);
|
} else {
|
rcArea = CFX_FloatRect(rcClient.left + fMinWidth + 1, rcClient.bottom,
|
rcClient.left + fMinWidth + 1, rcClient.top);
|
}
|
break;
|
case SBT_VSCROLL:
|
if (rcClient.top - rcClient.bottom > fMinHeight + fMaxHeight + 2) {
|
rcArea = CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1,
|
rcClient.right, rcClient.top - fMaxHeight - 1);
|
} else {
|
rcArea =
|
CFX_FloatRect(rcClient.left, rcClient.bottom + fMinHeight + 1,
|
rcClient.right, rcClient.bottom + fMinHeight + 1);
|
}
|
break;
|
}
|
|
rcArea.Normalize();
|
|
return rcArea;
|
}
|
|
FX_FLOAT CPWL_ScrollBar::TrueToFace(FX_FLOAT fTrue) {
|
CFX_FloatRect rcPosArea;
|
rcPosArea = GetScrollArea();
|
|
FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
|
fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
|
|
FX_FLOAT fFace = 0;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
fFace = rcPosArea.left +
|
fTrue * (rcPosArea.right - rcPosArea.left) / fFactWidth;
|
break;
|
case SBT_VSCROLL:
|
fFace = rcPosArea.top -
|
fTrue * (rcPosArea.top - rcPosArea.bottom) / fFactWidth;
|
break;
|
}
|
|
return fFace;
|
}
|
|
FX_FLOAT CPWL_ScrollBar::FaceToTrue(FX_FLOAT fFace) {
|
CFX_FloatRect rcPosArea;
|
rcPosArea = GetScrollArea();
|
|
FX_FLOAT fFactWidth = m_sData.ScrollRange.GetWidth() + m_sData.fClientWidth;
|
fFactWidth = fFactWidth == 0 ? 1 : fFactWidth;
|
|
FX_FLOAT fTrue = 0;
|
|
switch (m_sbType) {
|
case SBT_HSCROLL:
|
fTrue = (fFace - rcPosArea.left) * fFactWidth /
|
(rcPosArea.right - rcPosArea.left);
|
break;
|
case SBT_VSCROLL:
|
fTrue = (rcPosArea.top - fFace) * fFactWidth /
|
(rcPosArea.top - rcPosArea.bottom);
|
break;
|
}
|
|
return fTrue;
|
}
|
|
void CPWL_ScrollBar::CreateChildWnd(const PWL_CREATEPARAM& cp) {
|
CreateButtons(cp);
|
}
|
|
void CPWL_ScrollBar::TimerProc() {
|
PWL_SCROLL_PRIVATEDATA sTemp = m_sData;
|
|
if (m_bMinOrMax)
|
m_sData.SubSmall();
|
else
|
m_sData.AddSmall();
|
|
if (FXSYS_memcmp(&m_sData, &sTemp, sizeof(PWL_SCROLL_PRIVATEDATA)) != 0) {
|
MovePosButton(TRUE);
|
NotifyScrollWindow();
|
}
|
}
|
