383 lines
11 KiB
C++
383 lines
11 KiB
C++
#include "StarButtonWidget.hpp"
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#include "StarRoot.hpp"
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#include "StarJsonExtra.hpp"
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#include "StarRandom.hpp"
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#include "StarAssets.hpp"
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namespace Star {
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ButtonWidget::ButtonWidget() {
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m_hovered = false;
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m_pressed = false;
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m_checkable = false;
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m_checked = false;
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m_disabled = false;
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m_highlighted = false;
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m_hasCheckedImages = false;
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m_sustain = false;
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m_invisible = false;
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m_hTextAnchor = HorizontalAnchor::HMidAnchor;
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m_fontColor = Color::White;
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m_fontColorDisabled = Color::Gray;
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auto assets = Root::singleton().assets();
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auto interfaceConfig = assets->json("/interface.config");
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m_pressedOffset = jsonToVec2I(interfaceConfig.get("buttonPressedOffset"));
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m_fontSize = interfaceConfig.query("font.buttonSize").toInt();
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m_font = interfaceConfig.query("font.defaultFont").toString();
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}
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ButtonWidget::ButtonWidget(WidgetCallbackFunc callback,
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String const& baseImage,
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String const& hoverImage,
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String const& pressedImage,
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String const& disabledImage)
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: ButtonWidget() {
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setCallback(callback);
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setImages(baseImage, hoverImage, pressedImage, disabledImage);
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}
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ButtonWidget::~ButtonWidget() {
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if (m_buttonGroup)
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m_buttonGroup->removeButton(this);
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}
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void ButtonWidget::renderImpl() {
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if (isPressed() && sustainCallbackOnDownHold())
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if (m_callback)
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m_callback(this);
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Vec2F position = Vec2F(screenPosition());
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Vec2F textPosition = position + Vec2F(m_textOffset);
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if (m_hTextAnchor == HorizontalAnchor::HMidAnchor)
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textPosition += Vec2F(size()) / 2;
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else if (m_hTextAnchor == HorizontalAnchor::RightAnchor)
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textPosition += Vec2F(size()[0], size()[1] / 2);
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else if (m_hTextAnchor == HorizontalAnchor::LeftAnchor)
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textPosition += Vec2F(0, size()[1] / 2);
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// We need to show the down button offset if we're pressing the button or
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// don't have checked images and thus need some way to show that the button
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// is checked (there's probably some better default behavior in that case)
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if (m_pressed || (m_checked && !m_hasCheckedImages)) {
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position += Vec2F(m_pressedOffset);
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textPosition += Vec2F(m_pressedOffset);
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}
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if (m_hasCheckedImages && m_checked) {
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if (m_disabled)
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drawButtonPart(m_disabledImageChecked, position);
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else if ((m_pressed || m_highlighted) && !m_pressedImageChecked.empty())
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drawButtonPart(m_pressedImageChecked, position);
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else if ((m_pressed || m_hovered || m_highlighted) && !m_hoverImageChecked.empty())
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drawButtonPart(m_hoverImageChecked, position);
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else
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drawButtonPart(m_baseImageChecked, position);
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} else {
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if (m_disabled)
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drawButtonPart(m_disabledImage, position);
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else if ((m_pressed || m_highlighted) && !m_pressedImage.empty())
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drawButtonPart(m_pressedImage, position);
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else if ((m_pressed || m_hovered || m_highlighted) && !m_hoverImage.empty())
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drawButtonPart(m_hoverImage, position);
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else if (!m_invisible)
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drawButtonPart(m_baseImage, position);
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}
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if (!m_overlayImage.empty())
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drawButtonPart(m_overlayImage, position);
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if (!m_text.empty()) {
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auto& guiContext = GuiContext::singleton();
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guiContext.setFontSize(m_fontSize);
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guiContext.setFont(m_font);
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if (m_disabled)
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guiContext.setFontColor(m_fontColorDisabled.toRgba());
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else if (m_fontColorChecked && m_checked)
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guiContext.setFontColor(m_fontColorChecked.value().toRgba());
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else
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guiContext.setFontColor(m_fontColor.toRgba());
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guiContext.setFontMode(FontMode::Shadow);
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guiContext.renderInterfaceText(m_text, {textPosition, m_hTextAnchor, VerticalAnchor::VMidAnchor});
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guiContext.setFontMode(FontMode::Normal);
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}
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}
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bool ButtonWidget::sendEvent(InputEvent const& event) {
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if (m_visible && !m_disabled) {
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if (event.is<MouseButtonDownEvent>() && event.get<MouseButtonDownEvent>().mouseButton == MouseButton::Left) {
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if (inMember(*context()->mousePosition(event))) {
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if (!isPressed()) {
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auto assets = Root::singleton().assets();
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auto sound = Random::randValueFrom(assets->json("/interface.config:buttonClickSound").toArray(), "").toString();
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if (!sound.empty())
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context()->playAudio(sound);
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}
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setPressed(true);
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if (m_callback) {
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focus();
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return true;
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}
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} else {
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blur();
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return false;
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}
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} else if (event.is<MouseButtonUpEvent>()) {
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setPressed(false);
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return false;
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}
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}
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return false;
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}
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void ButtonWidget::mouseOver() {
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Widget::mouseOver();
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if (!m_disabled) {
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if (!m_hovered) {
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auto assets = Root::singleton().assets();
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auto sound = Random::randValueFrom(assets->json("/interface.config:buttonHoverSound").toArray(), "").toString();
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if (!sound.empty())
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context()->playAudio(sound);
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}
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m_hovered = true;
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}
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}
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void ButtonWidget::mouseOut() {
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Widget::mouseOut();
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m_hovered = false;
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m_pressed = false;
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}
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void ButtonWidget::mouseReturnStillDown() {
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Widget::mouseReturnStillDown();
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m_hovered = true;
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m_pressed = true;
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}
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void ButtonWidget::hide() {
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Widget::hide();
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m_pressed = false;
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m_hovered = false;
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}
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void ButtonWidget::setCallback(WidgetCallbackFunc callback) {
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m_callback = callback;
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}
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ButtonGroupPtr ButtonWidget::buttonGroup() const {
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return m_buttonGroup;
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}
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void ButtonWidget::setButtonGroup(ButtonGroupPtr newGroup, int id) {
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if (m_buttonGroup != newGroup) {
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if (m_buttonGroup)
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m_buttonGroup->removeButton(this);
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m_buttonGroup = move(newGroup);
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if (m_buttonGroup) {
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setCheckable(true);
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m_buttonGroup->addButton(this, id);
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}
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}
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}
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int ButtonWidget::buttonGroupId() {
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if (m_buttonGroup)
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return m_buttonGroup->id(this);
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else
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return ButtonGroup::NoButton;
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}
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bool ButtonWidget::isHovered() const {
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return m_hovered;
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}
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bool ButtonWidget::isPressed() const {
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return m_pressed;
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}
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void ButtonWidget::setPressed(bool pressed) {
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if (m_pressed != pressed) {
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// Button action is triggered when the button is released after being pressed
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if (m_pressed) {
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check();
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if (m_callback) {
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m_callback(this);
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}
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}
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m_pressed = pressed;
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}
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}
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bool ButtonWidget::isCheckable() const {
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return m_checkable;
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}
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void ButtonWidget::setCheckable(bool checkable) {
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m_checkable = checkable;
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}
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bool ButtonWidget::isHighlighted() const {
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return m_highlighted;
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}
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void ButtonWidget::setHighlighted(bool highlighted) {
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m_highlighted = highlighted;
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}
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bool ButtonWidget::isChecked() const {
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return m_checked;
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}
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void ButtonWidget::setChecked(bool checked) {
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// might cause button groups to have multiple selected against its rules, be careful with direct poking, use check()
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// instead.
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m_checked = checked;
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}
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void ButtonWidget::check() {
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if (m_checkable) {
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// If we are part of an exclusive button group, then don't uncheck if
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// we are already checked and pressed again.
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if (m_buttonGroup) {
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if (m_buttonGroup->toggle() || !isChecked()) {
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setChecked(!m_buttonGroup->toggle() || !isChecked());
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m_buttonGroup->wasChecked(this);
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}
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} else {
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setChecked(!isChecked());
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}
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}
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}
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bool ButtonWidget::sustainCallbackOnDownHold() {
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return m_sustain;
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}
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void ButtonWidget::setSustainCallbackOnDownHold(bool sustain) {
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m_sustain = sustain;
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}
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void ButtonWidget::setImages(String const& baseImage, String const& hoverImage, String const& pressedImage, String const& disabledImage) {
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m_baseImage = baseImage;
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m_hoverImage = hoverImage;
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m_pressedImage = pressedImage;
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m_disabledImage = disabledImage;
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if (m_disabledImage.empty() && !m_baseImage.empty())
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m_disabledImage = m_baseImage + Root::singleton().assets()->json("/interface.config:disabledButton").toString();
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updateSize();
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}
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void ButtonWidget::setCheckedImages(String const& baseImage, String const& hoverImage, String const& pressedImage, String const& disabledImage) {
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m_hasCheckedImages = !baseImage.empty();
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m_baseImageChecked = baseImage;
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m_hoverImageChecked = hoverImage;
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m_pressedImageChecked = pressedImage;
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m_disabledImageChecked = disabledImage;
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if (m_hasCheckedImages && m_disabledImageChecked.empty())
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m_disabledImageChecked = m_baseImageChecked + Root::singleton().assets()->json("/interface.config:disabledButton").toString();
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updateSize();
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}
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void ButtonWidget::setOverlayImage(String const& overlayImage) {
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m_overlayImage = overlayImage;
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}
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Vec2I const& ButtonWidget::pressedOffset() const {
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return m_pressedOffset;
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}
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void ButtonWidget::setPressedOffset(Vec2I const& offset) {
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m_pressedOffset = offset;
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}
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void ButtonWidget::setText(String const& text) {
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m_text = text;
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}
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void ButtonWidget::setFontSize(int size) {
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m_fontSize = size;
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}
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void ButtonWidget::setTextOffset(Vec2I textOffset) {
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m_textOffset = textOffset;
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}
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void ButtonWidget::setTextAlign(HorizontalAnchor hAnchor) {
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m_hTextAnchor = hAnchor;
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}
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void ButtonWidget::setFontColor(Color color) {
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m_fontColor = color;
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}
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void ButtonWidget::setFontColorDisabled(Color color) {
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m_fontColorDisabled = color;
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}
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void ButtonWidget::setFontColorChecked(Color color) {
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m_fontColorChecked = color;
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}
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// Although ButtonWidget wraps other widgets from time to time. These should never be "accessible"
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WidgetPtr ButtonWidget::getChildAt(Vec2I const&) {
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return {};
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}
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void ButtonWidget::disable() {
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m_disabled = true;
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m_pressed = false;
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}
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void ButtonWidget::enable() {
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m_disabled = false;
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}
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void ButtonWidget::setEnabled(bool enabled) {
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m_disabled = !enabled;
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m_pressed &= enabled; // and off the pressed flag if the button is no longer enabled.
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}
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void ButtonWidget::setInvisible(bool invisible) {
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m_invisible = invisible;
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}
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RectI ButtonWidget::getScissorRect() const {
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if (m_pressed) {
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return RectI::withSize(screenPosition(), size() + m_pressedOffset);
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}
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return RectI::withSize(screenPosition(), size());
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}
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void ButtonWidget::drawButtonPart(String const& image, Vec2F const& position) {
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auto& guiContext = GuiContext::singleton();
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auto imageSize = guiContext.textureSize(image);
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guiContext.drawInterfaceQuad(image, position + Vec2F(m_buttonBoundSize - imageSize) / 2);
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}
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void ButtonWidget::updateSize() {
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if (m_invisible || m_baseImage.empty())
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return;
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auto& guiContext = GuiContext::singleton();
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m_buttonBoundSize = guiContext.textureSize(m_baseImage);
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if (!m_hoverImage.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_hoverImage));
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if (!m_pressedImage.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_pressedImage));
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if (!m_baseImageChecked.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_baseImageChecked));
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if (!m_hoverImageChecked.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_hoverImageChecked));
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if (!m_pressedImageChecked.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_pressedImageChecked));
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if (!m_disabledImageChecked.empty())
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m_buttonBoundSize = m_buttonBoundSize.piecewiseMax(guiContext.textureSize(m_disabledImageChecked));
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setSize(Vec2I(m_buttonBoundSize));
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}
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}
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