437 lines
13 KiB
C++
437 lines
13 KiB
C++
#include "StarTextBoxWidget.hpp"
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#include "StarRoot.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarAssets.hpp"
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namespace Star {
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TextBoxWidget::TextBoxWidget(String const& startingText, String const& hint, WidgetCallbackFunc callback)
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: m_text(startingText), m_hint(hint), m_callback(callback) {
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auto assets = Root::singleton().assets();
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m_textHidden = false;
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m_regex = ".*";
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m_repeatKeyThreshold = 0;
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m_repeatCode = SpecialRepeatKeyCodes::None;
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m_isPressed = false;
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m_isHover = false;
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m_cursorOffset = startingText.size();
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m_hAnchor = HorizontalAnchor::LeftAnchor;
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m_vAnchor = VerticalAnchor::BottomAnchor;
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m_drawBorder = false;
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m_cursorHoriz = Vec2I();
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m_cursorVert = Vec2I();
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m_overfillMode = true;
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m_maxWidth = assets->json("/interface.config:textBoxDefaultWidth").toInt();
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auto fontConfig = assets->json("/interface.config:font");
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m_fontSize = fontConfig.getInt("baseSize");
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m_processingDirectives = fontConfig.getString("defaultDirectives");
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m_font = fontConfig.queryString("defaultFont", "");
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m_color = Color::rgb(jsonToVec3B(fontConfig.getArray("defaultColor")));
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// Meh, padding is hard-coded here
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setSize({m_maxWidth + 6, m_fontSize + 2});
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m_cursorHoriz = jsonToVec2I(assets->json("/interface.config:textboxCursorHorizontal"));
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m_cursorVert = jsonToVec2I(assets->json("/interface.config:textboxCursorVertical"));
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}
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void TextBoxWidget::renderImpl() {
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float blueRate = 0;
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if (m_isHover && !m_isPressed)
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blueRate = 0.2f;
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else
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blueRate = 0.0f;
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Vec2F pos(screenPosition());
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if (m_hAnchor == HorizontalAnchor::HMidAnchor)
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pos += Vec2F(size()[0] / 2.0f, 0);
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else if (m_hAnchor == HorizontalAnchor::RightAnchor)
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pos += Vec2F(size()[0], 0);
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context()->setFont(m_font);
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if ((m_maxWidth != -1) && m_overfillMode) {
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context()->setFontSize(m_fontSize);
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int shift = std::max(0, getCursorOffset() - m_maxWidth);
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pos += Vec2F(-shift, 0);
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}
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context()->setFontSize(m_fontSize);
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context()->setFontProcessingDirectives(m_processingDirectives);
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if (m_text.empty()) {
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context()->setFontColor(m_color.mix(Color::rgbf(0.3f, 0.3f, 0.3f), 0.8f).mix(Color::rgbf(0.0f, 0.0f, 1.0f), blueRate).toRgba());
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context()->renderInterfaceText(m_hint, {pos, m_hAnchor, m_vAnchor});
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} else {
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context()->setFontColor(m_color.mix(Color::rgbf(0, 0, 1), blueRate).toRgba());
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if (m_textHidden) {
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String hiddenText('*', m_text.length());
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context()->renderInterfaceText(hiddenText, { pos, m_hAnchor, m_vAnchor });
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}
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else
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context()->renderInterfaceText(m_text, { pos, m_hAnchor, m_vAnchor });
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}
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context()->setDefaultFont();
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context()->setFontProcessingDirectives("");
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context()->setFontColor(Vec4B::filled(255));
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if (hasFocus()) {
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// render cursor
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float cc = 0.6f + 0.4f * std::sin((double)Time::monotonicMilliseconds() / 300.0);
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Color cursorColor = Color::rgbf(cc, cc, cc);
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context()->drawInterfaceLine(
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pos + Vec2F(getCursorOffset(), m_fontSize * m_cursorVert[0]),
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pos + Vec2F(getCursorOffset(), m_fontSize * m_cursorVert[1]),
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cursorColor.toRgba());
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context()->drawInterfaceLine(
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pos + Vec2F(getCursorOffset() + m_fontSize * m_cursorHoriz[0], m_fontSize * m_cursorVert[0]),
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pos + Vec2F(getCursorOffset() + m_fontSize * m_cursorHoriz[1], m_fontSize * m_cursorVert[0]),
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cursorColor.toRgba());
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}
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if (m_drawBorder)
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context()->drawInterfacePolyLines(PolyF(screenBoundRect()), Color(Color::White).toRgba());
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}
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int TextBoxWidget::getCursorOffset() { // horizontal only
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float scale;
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context()->setFont(m_font);
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context()->setFontSize(m_fontSize);
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if (m_hAnchor == HorizontalAnchor::LeftAnchor) {
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scale = 1.0;
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} else if (m_hAnchor == HorizontalAnchor::HMidAnchor) {
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scale = 0.5;
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} else if (m_hAnchor == HorizontalAnchor::RightAnchor) {
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scale = -1.0;
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if (m_textHidden) {
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int width = context()->stringInterfaceWidth("*");
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size_t chars = m_text.size();
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return (width * chars) * scale + (width * (chars - m_cursorOffset));
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} else {
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return context()->stringInterfaceWidth(m_text) * scale
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+ context()->stringInterfaceWidth(m_text.substr(m_cursorOffset, m_text.size()));
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}
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} else {
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throw GuiException("Somehow, the value of m_hAnchor became bad");
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}
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if (m_textHidden) {
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int width = context()->stringInterfaceWidth("*");
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size_t chars = m_text.size();
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return (int)std::ceil((width * chars) * scale - (width * (chars - m_cursorOffset)));
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} else {
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return (int)std::ceil(context()->stringInterfaceWidth(m_text) * scale
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- context()->stringInterfaceWidth(m_text.substr(m_cursorOffset, m_text.size())));
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}
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}
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void TextBoxWidget::update() {
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Widget::update();
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if (m_repeatCode != SpecialRepeatKeyCodes::None) {
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if (Time::monotonicMilliseconds() >= m_repeatKeyThreshold) {
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m_repeatKeyThreshold += 50;
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if (m_repeatCode == SpecialRepeatKeyCodes::Delete) {
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if (m_cursorOffset < (int)m_text.size())
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modText(m_text.substr(0, m_cursorOffset) + m_text.substr(m_cursorOffset + 1));
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} else if (m_repeatCode == SpecialRepeatKeyCodes::Backspace) {
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if (m_cursorOffset > 0) {
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if (modText(m_text.substr(0, m_cursorOffset - 1) + m_text.substr(m_cursorOffset)))
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m_cursorOffset -= 1;
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}
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} else if (m_repeatCode == SpecialRepeatKeyCodes::Left) {
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if (m_cursorOffset > 0) {
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m_cursorOffset--;
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if (m_cursorOffset < 0)
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m_cursorOffset = 0;
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}
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} else if (m_repeatCode == SpecialRepeatKeyCodes::Right) {
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if (m_cursorOffset < (int)m_text.size()) {
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m_cursorOffset++;
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if (m_cursorOffset > (int)m_text.size())
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m_cursorOffset = m_text.size();
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}
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}
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}
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}
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}
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String TextBoxWidget::getText() const {
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return m_text;
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}
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bool TextBoxWidget::setText(String const& text, bool callback) {
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if (m_text == text)
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return true;
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if (!newTextValid(text))
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return false;
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m_text = text;
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m_cursorOffset = m_text.size();
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m_repeatCode = SpecialRepeatKeyCodes::None;
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if (callback)
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m_callback(this);
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return true;
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}
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bool TextBoxWidget::getHidden() const {
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return m_textHidden;
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}
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void TextBoxWidget::setHidden(bool hidden) {
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m_textHidden = hidden;
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}
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String TextBoxWidget::getRegex() {
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return m_regex;
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}
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void TextBoxWidget::setRegex(String const& regex) {
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m_regex = regex;
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}
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void TextBoxWidget::setColor(Color const& color) {
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m_color = color;
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}
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void TextBoxWidget::setDirectives(String const& directives) {
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m_processingDirectives = directives;
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}
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void TextBoxWidget::setFontSize(int fontSize) {
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m_fontSize = fontSize;
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}
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void TextBoxWidget::setMaxWidth(int maxWidth) {
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m_maxWidth = maxWidth;
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setSize({m_maxWidth + 6, m_fontSize + 2});
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}
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void TextBoxWidget::setOverfillMode(bool overtype) {
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m_overfillMode = overtype;
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}
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void TextBoxWidget::setOnBlurCallback(WidgetCallbackFunc onBlur) {
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m_onBlur = onBlur;
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}
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void TextBoxWidget::setOnEnterKeyCallback(WidgetCallbackFunc onEnterKey) {
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m_onEnterKey = onEnterKey;
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}
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void TextBoxWidget::setOnEscapeKeyCallback(WidgetCallbackFunc onEscapeKey) {
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m_onEscapeKey = onEscapeKey;
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}
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void TextBoxWidget::setNextFocus(Maybe<String> nextFocus) {
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m_nextFocus = nextFocus;
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}
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void TextBoxWidget::setPrevFocus(Maybe<String> prevFocus) {
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m_prevFocus = prevFocus;
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}
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void TextBoxWidget::mouseOver() {
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Widget::mouseOver();
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m_isHover = true;
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}
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void TextBoxWidget::mouseOut() {
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Widget::mouseOut();
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m_isHover = false;
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m_isPressed = false;
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}
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void TextBoxWidget::mouseReturnStillDown() {
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Widget::mouseReturnStillDown();
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m_isHover = true;
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m_isPressed = true;
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}
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void TextBoxWidget::blur() {
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Widget::blur();
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if (m_onBlur)
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m_onBlur(this);
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m_repeatCode = SpecialRepeatKeyCodes::None;
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}
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KeyboardCaptureMode TextBoxWidget::keyboardCaptured() const {
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if (active() && hasFocus())
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return KeyboardCaptureMode::TextInput;
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return KeyboardCaptureMode::None;
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}
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bool TextBoxWidget::sendEvent(InputEvent const& event) {
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if (!hasFocus())
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return false;
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if (event.is<KeyUpEvent>()) {
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m_repeatCode = SpecialRepeatKeyCodes::None;
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m_callback(this);
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return false;
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}
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if (innerSendEvent(event)) {
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m_callback(this);
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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 TextBoxWidget::innerSendEvent(InputEvent const& event) {
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if (auto keyDown = event.ptr<KeyDownEvent>()) {
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m_repeatKeyThreshold = Time::monotonicMilliseconds() + 300LL;
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if (keyDown->key == Key::Escape) {
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if (m_onEscapeKey) {
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m_onEscapeKey(this);
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return true;
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}
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return false;
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}
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if (keyDown->key == Key::Return || keyDown->key == Key::Kp_enter) {
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if (m_onEnterKey) {
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m_onEnterKey(this);
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return true;
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}
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return false;
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}
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if (keyDown->key == Key::Tab) {
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if ((KeyMod::LShift & keyDown->mods) == KeyMod::LShift || (KeyMod::RShift & keyDown->mods) == KeyMod::RShift) {
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if (m_prevFocus) {
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if (auto prevWidget = parent()->fetchChild(*m_prevFocus)) {
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prevWidget->focus();
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return true;
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}
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}
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} else {
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if (m_nextFocus) {
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if (auto nextWidget = parent()->fetchChild(*m_nextFocus)) {
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nextWidget->focus();
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return true;
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}
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}
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}
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return false;
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}
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if ((keyDown->mods & (KeyMod::LCtrl | KeyMod::RCtrl)) != KeyMod::NoMod) {
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if (keyDown->key == Key::C) {
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context()->setClipboard(m_text);
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return true;
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}
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if (keyDown->key == Key::X) {
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context()->setClipboard(m_text);
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if (modText(""))
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m_cursorOffset = 0;
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return true;
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}
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if (keyDown->key == Key::V) {
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String clipboard = context()->getClipboard();
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if (modText(m_text.substr(0, m_cursorOffset) + clipboard + m_text.substr(m_cursorOffset)))
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m_cursorOffset += clipboard.size();
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return true;
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}
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}
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auto calculateSteps = [&](bool dir) {
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int steps = 1;
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if ((keyDown->mods & (KeyMod::LCtrl | KeyMod::RCtrl)) != KeyMod::NoMod || (keyDown->mods & (KeyMod::LAlt | KeyMod::RAlt)) != KeyMod::NoMod) {
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if (dir) // right
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steps = m_text.findNextBoundary(m_cursorOffset) - m_cursorOffset;
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else // left
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steps = m_cursorOffset - m_text.findNextBoundary(m_cursorOffset, true);
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return steps < 1 ? 1 : steps;
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}
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return steps;
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};
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if (keyDown->key == Key::Backspace) {
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int steps = calculateSteps(false);
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m_repeatCode = SpecialRepeatKeyCodes::Backspace;
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for (int i = 0; i < steps; i++) {
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if (m_cursorOffset > 0) {
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if (modText(m_text.substr(0, m_cursorOffset - 1) + m_text.substr(m_cursorOffset)))
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m_cursorOffset -= 1;
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}
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}
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return true;
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}
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if (keyDown->key == Key::Delete) {
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int steps = calculateSteps(true);
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m_repeatCode = SpecialRepeatKeyCodes::Delete;
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for (int i = 0; i < steps; i++) {
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if (m_cursorOffset < (int)m_text.size())
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modText(m_text.substr(0, m_cursorOffset) + m_text.substr(m_cursorOffset + 1));
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}
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return true;
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}
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if (keyDown->key == Key::Left) {
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int steps = calculateSteps(false);
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m_repeatCode = SpecialRepeatKeyCodes::Left;
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for (int i = 0; i < steps; i++) {
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m_cursorOffset--;
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if (m_cursorOffset < 0)
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m_cursorOffset = 0;
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}
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return true;
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}
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if (keyDown->key == Key::Right) {
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int steps = calculateSteps(true);
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m_repeatCode = SpecialRepeatKeyCodes::Right;
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for (int i = 0; i < steps; i++) {
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m_cursorOffset++;
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if (m_cursorOffset > (int)m_text.size())
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m_cursorOffset = m_text.size();
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}
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return true;
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}
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if (keyDown->key == Key::Home) {
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m_cursorOffset = 0;
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return true;
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}
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if (keyDown->key == Key::End) {
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m_cursorOffset = m_text.size();
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return true;
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}
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}
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if (auto textInput = event.ptr<TextInputEvent>()) {
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if (modText(m_text.substr(0, m_cursorOffset) + textInput->text + m_text.substr(m_cursorOffset)))
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m_cursorOffset += textInput->text.size();
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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 TextBoxWidget::setDrawBorder(bool drawBorder) {
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m_drawBorder = drawBorder;
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}
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void TextBoxWidget::setTextAlign(HorizontalAnchor hAnchor) {
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m_hAnchor = hAnchor;
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}
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bool TextBoxWidget::modText(String const& text) {
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if (m_text != text && newTextValid(text)) {
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m_text = text;
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return true;
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} else {
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return false;
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}
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}
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bool TextBoxWidget::newTextValid(String const& text) const {
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if (!text.regexMatch(m_regex))
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return false;
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if ((m_maxWidth != -1) && !m_overfillMode) {
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context()->setFont(m_font);
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context()->setFontSize(m_fontSize);
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return context()->stringInterfaceWidth(text) <= m_maxWidth;
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}
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return true;
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}
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}
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