841 lines
24 KiB
C++
841 lines
24 KiB
C++
#include "TextBox.h"
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#undef min
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#undef max
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namespace ezui {
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TextBox::TextBox(Object* parentObject) :Control(parentObject)
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{
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Init();
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}
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TextBox::~TextBox() {
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m_timer->Stop();
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if (m_textLayout) { delete m_textLayout; }
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if (m_font) { delete m_font; }
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}
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void TextBox::Init()
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{
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this->GetScrollBar()->SetWidth(5);
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this->GetScrollBar()->Parent = this;
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this->GetScrollBar()->OffsetCallback = [=](int offset) {
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this->Offset(offset);
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};
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Style.Cursor = LoadCursor(Cursor::IBEAM);
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m_timer = new Timer(this);
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m_timer->Interval = 500;
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m_timer->Tick = [this](Timer* t) {
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HWND hWnd = this->Hwnd();//在对象析构前获取句柄
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BeginInvoke([this, hWnd]() {//捕获hWnd
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if (!::IsWindow(hWnd))return;//如果窗口已经销毁 则不往下执行
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if (!this->IsEnabled() || this->IsReadOnly()) {
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m_bCareShow = false;
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return;
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}
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if (!m_careRect.IsEmptyArea() && m_focus) {
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m_bCareShow = !m_bCareShow;
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this->Invalidate();
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}
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});
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};
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}
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void TextBox::OnRemove() {
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__super::OnRemove();
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m_timer->Stop();
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}
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void TextBox::SetPadding(int px, int py) {
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// 兼容旧接口：水平=px 垂直=py
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SetPadding4(px, py, px, py);
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}
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void TextBox::SetPadding4(int left, int top, int right, int bottom) {
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left = std::max(0, left); top = std::max(0, top); right = std::max(0, right); bottom = std::max(0, bottom);
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if (m_padLeft != left || m_padTop != top || m_padRight != right || m_padBottom != bottom) {
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m_padLeft = left; m_padTop = top; m_padRight = right; m_padBottom = bottom;
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Analysis();
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Invalidate();
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}
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}
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bool TextBox::ApplyStyleProperty(const UIString& key, const UIString& value) {
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// 先让基类尝试
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if (__super::ApplyStyleProperty(key, value)) return true;
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auto parseInt = [](const UIString& v)->int {
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UIString tmp = v; ui_text::Replace(&tmp, "px", ""); tmp = tmp.trim();
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return std::atoi(tmp.c_str());
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};
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// 新增：四边独立 & 兼容旧属性
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if (key == "padding-left") { SetPadding4(parseInt(value), m_padTop, m_padRight, m_padBottom); return true; }
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if (key == "padding-right") { SetPadding4(m_padLeft, m_padTop, parseInt(value), m_padBottom); return true; }
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if (key == "padding-top") { SetPadding4(m_padLeft, parseInt(value), m_padRight, m_padBottom); return true; }
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if (key == "padding-bottom") { SetPadding4(m_padLeft, m_padTop, m_padRight, parseInt(value)); return true; }
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if (key == "padding-x") { int p = parseInt(value); SetPadding4(p, m_padTop, p, m_padBottom); return true; }
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if (key == "padding-y") { int p = parseInt(value); SetPadding4(m_padLeft, p, m_padRight, p); return true; }
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if (key == "padding") {
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UIString v = value; ui_text::Replace(&v, " ", ","); auto arr = v.split(",");
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if (arr.size() == 1) { int p = parseInt(arr[0]); SetPadding4(p, p, p, p); return true; }
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if (arr.size() == 2) { // 兼容旧语义：水平 垂直
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int px = parseInt(arr[0]); int py = parseInt(arr[1]); SetPadding4(px, py, px, py); return true; }
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if (arr.size() == 3) { // CSS: top horizontal bottom
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int pTop = parseInt(arr[0]); int pH = parseInt(arr[1]); int pBottom = parseInt(arr[2]); SetPadding4(pH, pTop, pH, pBottom); return true; }
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if (arr.size() == 4) { // top right bottom left
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int pTop = parseInt(arr[0]); int pRight = parseInt(arr[1]); int pBottom = parseInt(arr[2]); int pLeft = parseInt(arr[3]); SetPadding4(pLeft, pTop, pRight, pBottom); return true; }
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return true; // 不合法也拦截
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}
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return false;
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}
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void TextBox::SetAutoWidth(bool flag)
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{
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//需要屏蔽
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}
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void TextBox::SetAutoHeight(bool flag)
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{
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//需要屏蔽
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}
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void TextBox::OnKeyChar(const KeyboardEventArgs& arg)
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{
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__super::OnKeyChar(arg);
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WPARAM wParam = arg.wParam;
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LPARAM lParam = arg.lParam;
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if (wParam < 32)return;//控制字符
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if (IsReadOnly()) return;//只读
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WCHAR buf[2]{ (WCHAR)wParam ,0 };//
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InsertUnicode(std::wstring(buf));//插入新的字符
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Analysis();//分析字符串
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Invalidate();//刷新
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}
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#undef max
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#undef min
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void TextBox::BuildSelectedRect() {
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m_selectRects.clear();
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if (m_textLayout) {
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//获取起点和终点
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Point point1, point2;
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if ((m_A_TextPos + m_A_isTrailingHit) < (m_B_TextPos + m_B_isTrailingHit)) {
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point1 = m_textLayout->HitTestTextPosition(m_A_TextPos, m_A_isTrailingHit);
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point2 = m_textLayout->HitTestTextPosition(m_B_TextPos, m_B_isTrailingHit);
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}
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else {
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point2 = m_textLayout->HitTestTextPosition(m_A_TextPos, m_A_isTrailingHit);
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point1 = m_textLayout->HitTestTextPosition(m_B_TextPos, m_B_isTrailingHit);
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}
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// 为了稳定行判定，对基线 Y 加一个行高一半偏移放到行中部
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float sampleY1 = point1.Y + m_textLayout->GetFontHeight() / 2.0f;
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float sampleY2 = point2.Y + m_textLayout->GetFontHeight() / 2.0f;
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auto lineRects = m_textLayout->GetLineRects();
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for (auto& lr : lineRects) {
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bool firstLine = (sampleY1 >= lr.Y && sampleY1 < lr.Y + lr.Height + 0.5f);
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bool lastLine = (sampleY2 >= lr.Y && sampleY2 < lr.Y + lr.Height + 0.5f);
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if (firstLine && lastLine) { // 同一行
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float leftX = point1.X;
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float rightX = point2.X;
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if (rightX < leftX) std::swap(leftX, rightX);
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float width = std::max(0.0f, rightX - leftX);
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m_selectRects.push_back(Rect(leftX, lr.Y, width, lr.Height));
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}
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else if (firstLine) { // 首行：到行尾
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float width = std::max(0.0f, (lr.X + lr.Width) - point1.X);
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m_selectRects.push_back(Rect(point1.X, lr.Y, width, lr.Height));
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}
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else if (lastLine) { // 末行：从行首
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float width = std::max(0.0f, point2.X - lr.X);
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m_selectRects.push_back(Rect(lr.X, lr.Y, width, lr.Height));
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}
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else if (sampleY1 < lr.Y && sampleY2 >= lr.Y + lr.Height) { // 中间整行
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m_selectRects.push_back(lr);
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}
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}
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}
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}
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bool TextBox::SelectedAll() {
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if (m_textLayout && !m_text.empty()) {
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m_pointA = Point{ 0,0 };
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m_A_isTrailingHit = FALSE;
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m_A_TextPos = 0;
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m_pointB = Point{ m_fontBox.Width ,0 };
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m_B_isTrailingHit = TRUE;
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m_B_TextPos = m_text.size() - 1;
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BuildSelectedRect();
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return true;
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}
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return false;
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}
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bool TextBox::GetSelectedRange(int* outPos, int* outCount) {
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if (m_selectRects.size() > 0) {
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int pos, count;
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if ((m_A_TextPos + m_A_isTrailingHit) < (m_B_TextPos + m_B_isTrailingHit)) {
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int pos1 = m_A_TextPos;
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if (m_A_isTrailingHit == 1) {
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pos1 += 1;
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}
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int pos2 = m_B_TextPos;
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if (m_B_isTrailingHit == 0) {
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pos2 -= 1;
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}
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pos = pos1;
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count = std::abs(pos2 - pos1) + 1;
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}
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else {
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int pos1 = m_A_TextPos;
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if (m_A_isTrailingHit == 0) {
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pos1 -= 1;
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}
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int pos2 = m_B_TextPos;
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if (m_B_isTrailingHit == 1) {
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pos2 += 1;
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}
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pos = pos2;
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count = std::abs(pos2 - pos1) + 1;
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}
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*outPos = pos;
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*outCount = count;
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if (*outCount > 0) {
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return true;
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}
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}
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return false;
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}
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void TextBox::InsertUnicode(const std::wstring& str, bool isEnd) {
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DeleteRange();//先删除是否有选中的区域
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if (m_textPos < 0) m_textPos = 0; // 处理光标位置
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if (m_textPos > (int)m_text.size()) {
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m_textPos = m_text.size();
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}
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if (isEnd) m_textPos = m_text.size(); // 是否让光标移到末尾
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m_text.insert(m_textPos, str);
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m_textPos += str.size();
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if (TextChanged) {
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TextChanged(UIString(m_text));
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}
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}
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bool TextBox::DeleteRange() {
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int pos, count;
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if (GetSelectedRange(&pos, &count)) {//删除选中的
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//isTrailingHit = FALSE;
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m_textPos = pos;
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m_text.erase(pos, count);
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if (TextChanged) {
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TextChanged(UIString(m_text));
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}
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return true;
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}
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return false;
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}
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bool TextBox::Copy() {
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int pos, count;
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if (!GetSelectedRange(&pos, &count))return false;
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std::wstring wBuf(m_text.substr(pos, count));
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return ezui::CopyToClipboard(wBuf, Hwnd());
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}
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bool TextBox::Paste() {
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std::wstring wBuf;
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bool bRet = ezui::GetClipboardData(&wBuf, Hwnd());
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UIString u8Str(wBuf);
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if (!m_allowManualLineBreak) {
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//不允许手动换行时不允许有换行符
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ui_text::Replace(&u8Str, "\r", "");
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ui_text::Replace(&u8Str, "\n", "");
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}
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InsertUnicode(u8Str.unicode());//插入新的字符
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return bRet;
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}
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void TextBox::OnBackspace() {
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if (m_text.size() <= 0)return;
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if (!DeleteRange()) {//先看看有没有有选中的需要删除
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//否则删除单个字符
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m_textPos--;
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if (m_textPos > -1) {
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m_text.erase(m_textPos, 1);
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if (TextChanged) {
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TextChanged(UIString(m_text));
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}
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}
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}
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}
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void TextBox::OnKeyDown(const KeyboardEventArgs& arg)
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{
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__super::OnKeyDown(arg);
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WPARAM wParam = arg.wParam;
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LPARAM lParam = arg.lParam;
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//判断是否按下shift+enter（仅当允许手动换行时）
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if (m_allowManualLineBreak && (GetKeyState(VK_SHIFT) & 0x8000) && wParam == VK_RETURN) {
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InsertUnicode(L"\n");//插入换行符
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Analysis();//分析字符串
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Invalidate();//刷新
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return;
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}
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//判断是否按下Ctrl键
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if (GetKeyState(VK_CONTROL) & 0x8000) {
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do
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{
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if (wParam == 'A') {//ctrl+a全选
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SelectedAll();//全选
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Invalidate();//刷新
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break;
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}
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if (wParam == 'C') {//ctrl+c 复制
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Copy();
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break;
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}
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if (wParam == 'X') {//ctrl+x 剪切
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if (IsReadOnly()) {
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break;
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}
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if (Copy()) {
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DeleteRange();//因为是剪切 所以要删除选中的这段
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Analysis();
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Invalidate();//刷新
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}
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break;
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}
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if (wParam == 'V') {//ctrl+v 粘贴
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if (IsReadOnly()) {
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break;
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}
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Paste();
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Analysis();//分析字符串
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Invalidate();//刷新
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break;
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}
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if (wParam == 'Z') {//ctrl+z撤销
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if (IsReadOnly()) {
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break;
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}
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break;
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}
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} while (false);
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return;
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}
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if (wParam == VK_BACK) { //退格键(删除字符)
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if (IsReadOnly()) {
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return;
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}
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OnBackspace();//退格键的操作在里面
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Analysis();//重新分析
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Invalidate();//刷新
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return;
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}
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if (wParam == VK_LEFT) {
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m_textPos--;
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m_bCareShow = true;
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m_selectRects.clear();
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BuildCare();
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Invalidate();
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return;
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}
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if (wParam == VK_RIGHT) {
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++m_textPos;
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m_bCareShow = true;
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m_selectRects.clear();
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BuildCare();
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Invalidate();
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return;
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}
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}
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void TextBox::Analysis()
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{
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if (m_text.size() > (size_t)(this->m_maxLen)) {
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m_text.erase((size_t)(this->m_maxLen));
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}
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m_scrollX = 0;
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m_scrollY = 0;
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m_pointA = Point();
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m_A_isTrailingHit = 0;
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m_A_TextPos = 0;
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m_pointB = Point();
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m_B_isTrailingHit = 0;
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m_B_TextPos = 0;
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m_careRect = Rect();
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m_selectRects.clear();
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if (m_font == NULL) return;
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if (m_textLayout) delete m_textLayout;
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std::wstring* drawText = &this->m_text;
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if (!m_passwordChar.empty()) {
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drawText = new std::wstring;
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int count = m_passwordChar.size() * m_text.size();
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for (size_t i = 0; i < m_text.size(); ++i)
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{
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*drawText += m_passwordChar;
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}
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}
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else {
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*drawText = m_text;
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}
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// 可用绘制宽高(考虑内边距)
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int innerW = std::max(0, Width() - (m_padLeft + m_padRight));
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int innerH = std::max(0, Height() - (m_padTop + m_padBottom));
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if (!m_autoWrap) {//不自动换行时需要水平拖动滚动编辑框（两者都不允许）
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m_font->Get()->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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bool bAlignLeft = (int(this->TextAlign) & int(HAlign::Left));
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float width = bAlignLeft ? EZUI_FLOAT_MAX : (float)innerW;
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m_textLayout = new TextLayout(*drawText, *m_font, SizeF{ width,(float)innerH }, this->TextAlign);
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m_fontBox = m_textLayout->GetFontBox();
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if (m_fontBox.Width < innerW) {
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m_scrollX = 0;
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}
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if (!bAlignLeft && m_fontBox.Width > innerW) {
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ezui::TextAlign tmp = this->TextAlign;
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tmp = ezui::TextAlign((int)tmp & ~(int)HAlign::Center);
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tmp = ezui::TextAlign((int)tmp & ~(int)HAlign::Right);
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tmp = ezui::TextAlign((int)tmp | (int)HAlign::Left);
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m_textLayout->SetTextAlign(tmp);
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}
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if (m_fontBox.Width > innerW && m_scrollX + m_fontBox.Width < innerW) {
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m_scrollX = innerW - m_fontBox.Width;
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}
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}
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else {//多行编辑框（至少允许一种换行方式）
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// 根据 m_autoWrap 决定是否启用自动换行
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if (m_autoWrap) {
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m_font->Get()->SetWordWrapping(DWRITE_WORD_WRAPPING_WRAP);
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} else {
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m_font->Get()->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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}
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m_textLayout = new TextLayout(*drawText, *m_font, SizeF{ (float)innerW, EZUI_FLOAT_MAX }, TextAlign::TopLeft);
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m_fontBox = m_textLayout->GetFontBox();
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}
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if (drawText != &this->m_text) {
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delete drawText;
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}
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// 内容尺寸：多行时加入 padding 以保证最后一行不被裁掉，单行保持原逻辑
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if (m_autoWrap || m_allowManualLineBreak) {
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this->SetContentSize({ m_fontBox.Width + m_padLeft + m_padRight, m_fontBox.Height + m_padTop + m_padBottom });
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}
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else {
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this->SetContentSize({ m_fontBox.Width , m_fontBox.Height });
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}
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if (m_autoWrap || m_allowManualLineBreak) {
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this->GetScrollBar()->RefreshScroll();
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}
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BuildCare();
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}
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void TextBox::BuildCare() {
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if (!m_textLayout) return;
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if (m_textPos < 0) {
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m_textPos = 0;
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}
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if (m_textPos > (int)m_text.size()) {
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m_textPos = m_text.size();
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}
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Point pt = m_textLayout->HitTestTextPosition(m_textPos, FALSE);
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m_careRect.X = pt.X;
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m_careRect.Y = pt.Y;
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m_careRect.Height = m_textLayout->GetFontHeight();
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m_careRect.Width = 1 * this->GetScale();
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// 处理水平滚动（当不自动换行时需要水平滚动）
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if (!m_autoWrap) {
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// 使光标保持在可视内区（考虑 padding）
|
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int innerW = std::max(0, Width() - (m_padLeft + m_padRight));
|
||
int caretDrawX = m_careRect.X + m_scrollX; // 布局坐标 + 滚动
|
||
if (caretDrawX < 0) { // 左越界
|
||
m_scrollX -= caretDrawX;
|
||
}
|
||
if (caretDrawX > innerW) { // 右越界
|
||
int offsetX = innerW - caretDrawX;
|
||
m_scrollX += offsetX;
|
||
}
|
||
}
|
||
|
||
// 处理垂直滚动（多行模式需要垂直滚动）
|
||
if (m_autoWrap || m_allowManualLineBreak) {
|
||
int innerH = std::max(0, Height() - (m_padTop + m_padBottom));
|
||
int caretDrawY = m_careRect.Y + m_scrollY; // 仅布局+滚动
|
||
if (caretDrawY < 0) {
|
||
m_scrollY -= caretDrawY;
|
||
}
|
||
int caretBottom = caretDrawY + m_careRect.Height;
|
||
if (caretBottom > innerH) {
|
||
m_scrollY -= (caretBottom - innerH);
|
||
}
|
||
}
|
||
|
||
}
|
||
void TextBox::OnMouseDown(const MouseEventArgs& arg) {
|
||
__super::OnMouseDown(arg);
|
||
m_lastX = 0;
|
||
m_lastY = 0;
|
||
auto mbtn = arg.Button;
|
||
auto point = arg.Location;
|
||
|
||
if (mbtn == MouseButton::Left) {
|
||
m_down = true;
|
||
m_point_Start = ConvertPoint(point);
|
||
if (m_textLayout) {
|
||
int fontHeight;
|
||
m_selectRects.clear();
|
||
m_pointA = m_textLayout->HitTestPoint(m_point_Start, &m_A_TextPos, &m_A_isTrailingHit, &fontHeight);
|
||
m_careRect.X = m_pointA.X;
|
||
m_careRect.Y = m_pointA.Y;
|
||
m_careRect.Width = 1;
|
||
m_careRect.Height = fontHeight;
|
||
|
||
m_textPos = m_A_TextPos;
|
||
if (m_A_isTrailingHit) {
|
||
++m_textPos;
|
||
}
|
||
}
|
||
Invalidate();
|
||
}
|
||
}
|
||
|
||
void TextBox::OnMouseWheel(const MouseEventArgs& arg)
|
||
{
|
||
__super::OnMouseWheel(arg);
|
||
if (!m_autoWrap) {//不自动换行时需要水平拖动滚动
|
||
int innerW = std::max(0, Width() - (m_padLeft + m_padRight));
|
||
int textWidth = m_fontBox.Width;
|
||
if (arg.ZDelta > 0 && textWidth > innerW) {
|
||
m_scrollX += std::abs(arg.ZDelta) * 0.5;
|
||
if (m_scrollX > 0) {
|
||
m_scrollX = 0;
|
||
}
|
||
Invalidate();
|
||
}
|
||
else if (arg.ZDelta<0 && textWidth>innerW) {
|
||
m_scrollX -= std::abs(arg.ZDelta) * 0.5;
|
||
if (-m_scrollX + innerW > textWidth) {
|
||
m_scrollX = -(textWidth - innerW);
|
||
}
|
||
Invalidate();
|
||
}
|
||
}
|
||
}
|
||
|
||
ScrollBar* TextBox::GetScrollBar()
|
||
{
|
||
return &m_vScrollbar;
|
||
}
|
||
void TextBox::Offset(int _sliderY) {
|
||
this->m_scrollY = _sliderY;
|
||
Invalidate();
|
||
}
|
||
|
||
void TextBox::OnLayout()
|
||
{
|
||
__super::OnLayout();
|
||
m_scrollX = 0;
|
||
m_scrollY = 0;
|
||
m_selectRects.clear();
|
||
if ((!m_autoWrap && !m_allowManualLineBreak) && Height() != m_lastHeight) {
|
||
m_lastHeight = Height();
|
||
Analysis();
|
||
}
|
||
if ((m_autoWrap || m_allowManualLineBreak) && Width() != m_lastWidth) {
|
||
m_lastWidth = Width();
|
||
Analysis();
|
||
}
|
||
this->SetContentSize({ m_fontBox.Width ,(m_autoWrap || m_allowManualLineBreak) ? m_fontBox.Height : Height() });
|
||
this->GetScrollBar()->RefreshScroll();
|
||
this->EndLayout();
|
||
}
|
||
|
||
Point TextBox::ConvertPoint(const Point& pt) {
|
||
// 将控件坐标转换为文本布局坐标：去掉滚动与内边距偏移
|
||
int _x = -m_scrollX - m_padLeft;
|
||
int _y = -m_scrollY - m_padTop;
|
||
return Point{ pt.X + _x, pt.Y + _y };
|
||
}
|
||
|
||
void TextBox::OnMouseMove(const MouseEventArgs& arg)
|
||
{
|
||
__super::OnMouseMove(arg);
|
||
auto point = arg.Location;
|
||
if (m_down) {
|
||
m_point_End = ConvertPoint(point);
|
||
if (m_textLayout) {
|
||
int fontHeight;
|
||
m_selectRects.clear();//
|
||
m_pointB = m_textLayout->HitTestPoint(m_point_End, &m_B_TextPos, &m_B_isTrailingHit, &fontHeight);
|
||
|
||
BuildSelectedRect();
|
||
|
||
if (!m_autoWrap) {//不自动换行时需要水平拖动滚动
|
||
// 计算去掉左 padding 的鼠标相对文本区域坐标
|
||
int innerW = std::max(0, Width() - (m_padLeft + m_padRight));
|
||
int textWidth = m_fontBox.Width;
|
||
int localX = point.X - m_padLeft; // 鼠标在文本可编辑区域内的 X
|
||
if (m_lastX > point.X) { // 向左拖
|
||
m_lastX = point.X;
|
||
if (textWidth > innerW && m_scrollX < 0 && localX < 0) {
|
||
m_scrollX += 3;
|
||
Invalidate();
|
||
return;
|
||
}
|
||
}
|
||
if (m_lastX < point.X) { // 向右拖
|
||
m_lastX = point.X;
|
||
if (textWidth > innerW && localX > innerW) {
|
||
m_scrollX -= 3;
|
||
if (-m_scrollX + innerW > textWidth) {
|
||
m_scrollX = -(textWidth - innerW);
|
||
}
|
||
Invalidate();
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
Invalidate();
|
||
}
|
||
}
|
||
}
|
||
void TextBox::OnMouseUp(const MouseEventArgs& arg)
|
||
{
|
||
__super::OnMouseUp(arg);
|
||
m_down = false;
|
||
m_lastX = 0;
|
||
m_lastY = 0;
|
||
Invalidate();
|
||
}
|
||
void TextBox::OnFocus(const FocusEventArgs& arg)
|
||
{
|
||
__super::OnFocus(arg);
|
||
m_focus = true;
|
||
m_bCareShow = true;
|
||
m_timer->Start();
|
||
Invalidate();
|
||
}
|
||
void TextBox::OnKillFocus(const KillFocusEventArgs& arg)
|
||
{
|
||
__super::OnKillFocus(arg);
|
||
m_down = false;
|
||
m_focus = false;
|
||
m_bCareShow = false;
|
||
m_timer->Stop();
|
||
this->Invalidate();
|
||
}
|
||
const UIString TextBox::GetText()
|
||
{
|
||
return UIString(this->m_text);
|
||
}
|
||
void TextBox::SetText(const UIString& text)
|
||
{
|
||
this->m_text = text.unicode();
|
||
Analysis();
|
||
}
|
||
bool TextBox::IsMultiLine()
|
||
{
|
||
return m_autoWrap || m_allowManualLineBreak;
|
||
}
|
||
void TextBox::SetMultiLine(bool autoWrap, bool allowManualLineBreak)
|
||
{
|
||
if (this->m_autoWrap != autoWrap || this->m_allowManualLineBreak != allowManualLineBreak) {
|
||
this->m_autoWrap = autoWrap;
|
||
this->m_allowManualLineBreak = allowManualLineBreak;
|
||
Analysis();
|
||
}
|
||
}
|
||
void TextBox::SetReadOnly(bool bReadOnly)
|
||
{
|
||
this->m_readOnly = bReadOnly;
|
||
}
|
||
bool TextBox::IsReadOnly()
|
||
{
|
||
return this->m_readOnly;
|
||
}
|
||
void TextBox::SetMaxLength(int maxLen)
|
||
{
|
||
this->m_maxLen = maxLen;
|
||
}
|
||
void TextBox::SetPlaceholderText(const UIString& text)
|
||
{
|
||
this->m_placeholder = text.unicode();
|
||
}
|
||
void TextBox::SetPasswordChar(const UIString& passwordChar)
|
||
{
|
||
this->m_passwordChar = passwordChar.unicode();
|
||
}
|
||
void TextBox::SetFocusAndCaret(int caretPos)
|
||
{
|
||
// 设置焦点状态
|
||
m_focus = true;
|
||
m_bCareShow = true;
|
||
m_timer->Start();
|
||
|
||
// 设置光标位置
|
||
if (caretPos < 0) {
|
||
m_textPos = (int)m_text.size(); // -1 表示末尾
|
||
} else {
|
||
m_textPos = caretPos;
|
||
}
|
||
|
||
// 确保 m_textPos 在有效范围内
|
||
if (m_textPos < 0) m_textPos = 0;
|
||
if (m_textPos > (int)m_text.size()) m_textPos = (int)m_text.size();
|
||
|
||
// 清除选中状态
|
||
m_selectRects.clear();
|
||
m_pointA = Point();
|
||
m_pointB = Point();
|
||
m_A_TextPos = m_textPos;
|
||
m_B_TextPos = m_textPos;
|
||
|
||
// 需要重绘以确保 m_font 和 m_textLayout 被初始化
|
||
// 之后 OnForePaint 中会调用 BuildCare
|
||
Invalidate();
|
||
}
|
||
Rect TextBox::GetCareRect()
|
||
{
|
||
Rect rect(m_careRect);
|
||
rect.X += m_scrollX + m_padLeft; // 滚动 + padding
|
||
rect.Y += m_scrollY + m_padTop;
|
||
return rect;
|
||
}
|
||
void TextBox::Insert(const UIString& str, bool isEnd)
|
||
{
|
||
InsertUnicode(str.unicode(), isEnd);
|
||
Analysis();//分析字符串
|
||
}
|
||
void TextBox::SetAttribute(const UIString& key, const UIString& value) {
|
||
__super::SetAttribute(key, value);
|
||
do
|
||
{
|
||
if (key == "padding" || key == "padding-x" || key == "padding-y") {
|
||
// 走统一样式解析，直接调用 ApplyStyleProperty
|
||
ApplyStyleProperty(key, value);
|
||
break;
|
||
}
|
||
if (key == "valign") {
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)VAlign::Top);
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)VAlign::Mid);
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)VAlign::Bottom);
|
||
VAlign v = VAlign::Mid;
|
||
if (value == "top") {
|
||
v = VAlign::Top;
|
||
}
|
||
else if (value == "bottom") {
|
||
v = VAlign::Bottom;
|
||
}
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign | (int)v);
|
||
break;
|
||
}
|
||
if (key == "halign") {
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)HAlign::Left);
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)HAlign::Center);
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign & ~(int)HAlign::Right);
|
||
HAlign h = HAlign::Center;
|
||
if (value == "left") {
|
||
h = HAlign::Left;
|
||
}
|
||
else if (value == "right") {
|
||
h = HAlign::Right;
|
||
}
|
||
this->TextAlign = ezui::TextAlign((int)this->TextAlign | (int)h);
|
||
break;
|
||
}
|
||
if (key == "passwordchar") {
|
||
this->SetPasswordChar(value);
|
||
break;
|
||
}
|
||
if (key == "placeholder") {
|
||
this->SetPlaceholderText(value);
|
||
break;
|
||
}
|
||
if (key == "text" || key == "value") {
|
||
this->SetText(value);
|
||
break;
|
||
}
|
||
if (key == "readonly") {
|
||
if (value == "true") {
|
||
this->SetReadOnly(true);
|
||
break;
|
||
}
|
||
if (value == "false") {
|
||
this->SetReadOnly(false);
|
||
break;
|
||
}
|
||
}
|
||
if (key == "multiline") {
|
||
if (value == "true") {
|
||
// 兼容旧版：multiline=true 表示不自动换行+手动换行
|
||
this->m_autoWrap = false;
|
||
this->m_allowManualLineBreak = true;
|
||
break;
|
||
}
|
||
if (value == "false") {
|
||
this->m_autoWrap = false;
|
||
this->m_allowManualLineBreak = false;
|
||
break;
|
||
}
|
||
}
|
||
} while (false);
|
||
}
|
||
|
||
void TextBox::OnForePaint(PaintEventArgs& e) {
|
||
std::wstring fontFamily = GetFontFamily();
|
||
auto fontSize = GetFontSize();
|
||
if (fontSize == 0)return;
|
||
if (m_font == NULL || ((m_font != NULL) && (m_font->GetFontFamily() != fontFamily || m_font->GetFontSize() != fontSize))) {
|
||
if (m_font != NULL) {
|
||
delete m_font;
|
||
}
|
||
m_font = new Font(fontFamily, fontSize);
|
||
Analysis();
|
||
}
|
||
// 如果有焦点但光标未初始化，重新构建光标
|
||
if (m_focus && m_careRect.IsEmptyArea() && m_textLayout) {
|
||
BuildCare();
|
||
}
|
||
Color fontColor = GetForeColor();
|
||
e.Graphics.SetFont(fontFamily, fontSize);
|
||
if (m_text.empty()) {
|
||
bool bAlignCenter = (int(this->TextAlign) & int(HAlign::Center));
|
||
if ((!bAlignCenter) || (bAlignCenter && !m_focus)) {//避免光标和placeholder重叠
|
||
Color placeholderColor = fontColor;
|
||
placeholderColor.SetA(fontColor.GetA() * 0.6);
|
||
e.Graphics.SetColor(placeholderColor);
|
||
RectF ph((float)m_padLeft, (float)m_padTop, (float)Width() - (float)(m_padLeft + m_padRight), (float)Height() - (float)(m_padTop + m_padBottom));
|
||
Font phFont(fontFamily, fontSize);
|
||
e.Graphics.SetFont(phFont);
|
||
e.Graphics.DrawString(m_placeholder, ph, (m_autoWrap || m_allowManualLineBreak) ? TextAlign::TopLeft : this->TextAlign);
|
||
}
|
||
}
|
||
|
||
if (m_selectRects.size() > 0) {
|
||
Color selectedColor = fontColor;
|
||
selectedColor.SetA(fontColor.GetA() * 0.35);
|
||
e.Graphics.SetColor(selectedColor);
|
||
for (auto& it : m_selectRects) {
|
||
if (!it.IsEmptyArea()) {
|
||
RectF rect(it);
|
||
rect.X += m_scrollX + m_padLeft; // 加上内边距
|
||
rect.Y += m_scrollY + m_padTop;
|
||
e.Graphics.FillRectangle(rect);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (m_textLayout) {
|
||
e.Graphics.SetColor(fontColor);
|
||
PointF base{ (float)m_scrollX + (float)m_padLeft, (float)m_scrollY + (float)m_padTop };
|
||
e.Graphics.DrawTextLayout(*m_textLayout, base);
|
||
}
|
||
|
||
if (!m_careRect.IsEmptyArea() && m_focus) {
|
||
if (m_bCareShow) {
|
||
RectF rect(m_careRect.X + m_padLeft, m_careRect.Y + m_padTop, m_careRect.Width, m_careRect.Height);
|
||
rect.X += m_scrollX;//偏移
|
||
rect.Y += m_scrollY;
|
||
if (ezui::IsFloatEqual(rect.X, this->Width())) {
|
||
rect.X = this->Width() - rect.Width; //末尾微调
|
||
}
|
||
rect.Width = rect.Width * this->GetScale();
|
||
e.Graphics.SetColor(fontColor);
|
||
e.Graphics.FillRectangle(rect);
|
||
}
|
||
}
|
||
}
|
||
} |