Codex
255 lines
7.4 KiB
C++
255 lines
7.4 KiB
C++
// TextBox.cpp
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#include "TextBox.h"
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#include "SxLog.h"
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TextBox::TextBox(int x, int y, int width, int height, std::string text, StellarX::TextBoxmode mode, StellarX::ControlShape shape)
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:Control(x, y, width, height), text(text), mode(mode), shape(shape)
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{
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this->id = "TextBox";
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// TextBox 当前阶段的默认布局策略：
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// - 水平方向允许通过锚点语义拉伸
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// - 垂直方向当前实现保持固定尺寸，不在本轮引入随高度变化的视觉自适应
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this->layoutCapability.allowStretchX = true;
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this->layoutCapability.allowStretchY = false;
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}
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void TextBox::draw()
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{
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if (dirty && show)
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{
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saveStyle();
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setfillcolor(textBoxBkClor);
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setlinecolor(textBoxBorderClor);
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if (textStyle.nHeight > height)
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textStyle.nHeight = height;
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if (textStyle.nWidth > width)
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textStyle.nWidth = width;
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settextstyle(textStyle.nHeight, textStyle.nWidth, textStyle.lpszFace,
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textStyle.nEscapement, textStyle.nOrientation, textStyle.nWeight,
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textStyle.bItalic, textStyle.bUnderline, textStyle.bStrikeOut);
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settextcolor(textStyle.color);
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setbkmode(TRANSPARENT);
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int text_width = 0;
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int text_height = 0;
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std::string pwdText;
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std::string displayText; // 用于显示的文本（可能被截断）
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bool isTextTruncated = false; // 标记文本是否被截断
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if (StellarX::TextBoxmode::PASSWORD_MODE == mode)
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{
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for (size_t i = 0; i < text.size(); ++i)
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pwdText += '*';
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displayText = pwdText;
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}
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else
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{
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displayText = text;
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}
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// 计算可用宽度（留出左右边距）
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int availableWidth = width - 20; // 左右各10像素边距
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// 截断文本以适应可用宽度
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int currentWidth = textwidth(LPCTSTR(displayText.c_str()));
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if (currentWidth > availableWidth && availableWidth > 0)
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{
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// 需要截断文本，预留空间放置省略号
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int ellipsisWidth = textwidth("...");
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int truncatedWidth = availableWidth - ellipsisWidth;
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std::string truncatedText = displayText;
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while (truncatedText.size() > 0 && textwidth(LPCTSTR(truncatedText.c_str())) > truncatedWidth)
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{
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truncatedText.pop_back();
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}
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displayText = truncatedText + "...";
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isTextTruncated = true;
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currentWidth = textwidth(LPCTSTR(displayText.c_str()));
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}
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text_width = currentWidth;
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text_height = textheight(LPCTSTR(displayText.c_str()));
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if ((saveBkX != this->x) || (saveBkY != this->y) || (!hasSnap) || (saveWidth != this->width) || (saveHeight != this->height) || !saveBkImage)
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saveBackground(this->x, this->y, this->width, this->height);
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// 恢复背景（清除旧内容）
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restBackground();
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//根据形状绘制
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switch (shape)
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{
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case StellarX::ControlShape::RECTANGLE:
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fillrectangle(x, y, x + width, y + height);//有边框填充矩形
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outtextxy(x + 10, (y + (height - text_height) / 2), LPCTSTR(displayText.c_str()));
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break;
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case StellarX::ControlShape::B_RECTANGLE:
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solidrectangle(x, y, x + width, y + height);//无边框填充矩形
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outtextxy(x + 10, (y + (height - text_height) / 2), LPCTSTR(displayText.c_str()));
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break;
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case StellarX::ControlShape::ROUND_RECTANGLE:
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fillroundrect(x, y, x + width, y + height, rouRectangleSize.ROUND_RECTANGLEwidth, rouRectangleSize.ROUND_RECTANGLEheight);//有边框填充圆角矩形
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outtextxy(x + 10, (y + (height - text_height) / 2), LPCTSTR(displayText.c_str()));
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break;
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case StellarX::ControlShape::B_ROUND_RECTANGLE:
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solidroundrect(x, y, x + width, y + height, rouRectangleSize.ROUND_RECTANGLEwidth, rouRectangleSize.ROUND_RECTANGLEheight);//无边框填充圆角矩形
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outtextxy(x + 10, (y + (height - text_height) / 2), LPCTSTR(displayText.c_str()));
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break;
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}
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restoreStyle();
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dirty = false; //标记不需要重绘
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}
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}
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bool TextBox::handleEvent(const ExMessage& msg)
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{
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if (!show) return false;
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resetEventVisualChanged();
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bool hover = false;
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bool oldClick = click;
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bool consume = false;
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const bool isMouseMessage =
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msg.message == WM_MOUSEMOVE ||
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msg.message == WM_LBUTTONDOWN ||
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msg.message == WM_LBUTTONUP;
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if (isMouseMessage)
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{
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switch (shape)
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{
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case StellarX::ControlShape::RECTANGLE:
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case StellarX::ControlShape::B_RECTANGLE:
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case StellarX::ControlShape::ROUND_RECTANGLE:
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case StellarX::ControlShape::B_ROUND_RECTANGLE:
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hover = (msg.x > x && msg.x < (x + width) && msg.y > y && msg.y < (y + height));
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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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if (hover && msg.message == WM_LBUTTONUP)
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{
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click = true;
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const size_t oldLen = text.size();
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SX_LOGI("TextBox") << SX_T("激活：id=","activate: id=") << id << " mode=" << (int)mode << " oldLen=" << oldLen;
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if (StellarX::TextBoxmode::INPUT_MODE == mode)
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{
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std::vector<char> temp(maxCharLen + 1, '\0');
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dirty = InputBox(temp.data(), (int)maxCharLen + 1, "输入框", NULL, text.c_str(), NULL, NULL, false);
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if (dirty) text = temp.data();
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consume = true;
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}
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else if (StellarX::TextBoxmode::READONLY_MODE == mode)
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{
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dirty = false;
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InputBox(NULL, (int)maxCharLen, "输出框（输入无效！）", NULL, text.c_str(), NULL, NULL, false);
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consume = true;
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}
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else if (StellarX::TextBoxmode::PASSWORD_MODE == mode)
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{
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std::vector<char> temp(maxCharLen + 1, '\0');
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// 不记录明文，只记录长度变化
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dirty = InputBox(temp.data(), (int)maxCharLen + 1, "输入框\n不可见输入，覆盖即可", NULL, NULL, NULL, NULL, false);
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if (dirty) text = temp.data();
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consume = true;
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}
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if (dirty)
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{
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SX_LOGI("TextBox") << SX_T("文本已更改: id=","text changed: id=") << id
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<< " oldLen=" << oldLen << " newLen=" << text.size();
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}
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else
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{
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SX_LOGD("TextBox") << SX_T("文本无变化：id=","no change: id=") << id;
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}
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}
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if (dirty)
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requestRepaint(parent);
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markEventVisualChanged(dirty);
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if (click)
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click = false;
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return consume;
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}
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void TextBox::setMode(StellarX::TextBoxmode mode)
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{
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this->mode = mode;
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this->dirty = true;
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}
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void TextBox::setMaxCharLen(size_t len)
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{
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if (len > 0)
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maxCharLen = len;
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this->dirty = true;
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}
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void TextBox::setTextBoxshape(StellarX::ControlShape shape)
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{
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switch (shape)
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{
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case StellarX::ControlShape::RECTANGLE:
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case StellarX::ControlShape::B_RECTANGLE:
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case StellarX::ControlShape::ROUND_RECTANGLE:
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case StellarX::ControlShape::B_ROUND_RECTANGLE:
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this->shape = shape;
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this->dirty = true;
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break;
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case StellarX::ControlShape::CIRCLE:
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case StellarX::ControlShape::B_CIRCLE:
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case StellarX::ControlShape::ELLIPSE:
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case StellarX::ControlShape::B_ELLIPSE:
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this->shape = StellarX::ControlShape::RECTANGLE;
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this->dirty = true;
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break;
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}
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}
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void TextBox::setTextBoxBorder(COLORREF color)
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{
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textBoxBorderClor = color;
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this->dirty = true;
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}
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void TextBox::setTextBoxBk(COLORREF color)
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{
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textBoxBkClor = color;
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this->dirty = true;
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}
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void TextBox::setText(std::string text)
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{
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if(text == this->text)
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return; // 文本未改变，无需更新和重绘
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if (text.size() > maxCharLen)
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text = text.substr(0, maxCharLen);
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this->text = text;
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this->dirty = true; // 标记需要重绘，不论是否窗口图形上下文是否已初始化，等第一次绘制时由窗口真正调用 draw() 来重绘显示文本
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//有父控件时请求父控件重绘，无父控件时直接重绘，确保文本更新后界面正确刷新显示
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if (nullptr != parent)
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{
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//通过hasSnap是否持有有效快照,判断控件是否已经绘制过，避免在控件未绘制前/窗口图形上下文未初始化调用draw()导致的错误
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if (hasSnap)
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requestRepaint(parent);
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}
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else
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if (hasSnap)
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draw();
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}
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std::string TextBox::getText() const
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{
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return this->text;
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}
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