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Added empty text string to textbox gui element

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This commit is contained in:
Yousef Khadadeh 2026-05-04 09:52:31 +03:00
parent e0a19a9c49
commit 6feebe351d
4 changed files with 38 additions and 17 deletions
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4
src/GUIStuff/Elements/TextBox.decl.hpp
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@ -16,6 +16,7 @@ template <typename T> struct TextBoxData {
bool singleLine = true;
bool immutable = false;
InputManager::TextInputProperties textInputProps;
std::string emptyText;
std::function<void()> onEdit;
std::function<void()> onEnter;
std::function<void()> onSelect;
@ -48,6 +49,7 @@ template <typename T> class TextBox : public Element {
virtual void input_mouse_motion_callback(const InputManager::MouseMotionCallbackArgs& motion) override;
~TextBox();
private:
void populate_empty_textbox();
void after_text_input_callback();
void init_textbox(UpdateInputData& io);
void reset_textbox_text();
@ -60,10 +62,12 @@ template <typename T> class TextBox : public Element {
RichText::TextBox::Cursor cur;
} oldDD;
bool isEmptyText = false;
bool isHeld = false;
std::optional<TextEditData> edit;
std::optional<T> oldData;
std::string oldEmptyText;
TextBoxData<T> userInfo;
std::shared_ptr<RichText::TextBox> textbox;
std::shared_ptr<RichText::TextBox::Cursor> cur;

27
src/GUIStuff/Elements/TextBox.impl.hpp
View file

@ -9,8 +9,11 @@ template <typename T> void TextBox<T>::layout(const Clay_ElementId& id, const Te
auto& io = gui.io;
this->userInfo = userInfo;
init_textbox(io);
if(!oldData.has_value() || oldData.value() != *userInfo.data)
if(!oldData.has_value() || oldData.value() != *userInfo.data || (oldEmptyText != userInfo.emptyText)) {
reset_textbox_text();
populate_empty_textbox();
gui.invalidate_draw_element(this);
}
CLAY(id, {
.layout = {
@ -75,6 +78,8 @@ template <typename T> void TextBox<T>::select() {
if(!is_selected()) {
SCollision::AABB<float> rect = {boundingBox.value().min * gui.io.guiScaleMultiplier, boundingBox.value().max * gui.io.guiScaleMultiplier};
unsigned id = gui.io.input->set_text_box_front(rect, userInfo.textInputProps);
if(isEmptyText)
textbox->clear_text();
edit = TextEditData(id, textbox, cur);
}
}
@ -85,6 +90,7 @@ template <typename T> void TextBox<T>::deselect() {
if(userInfo.onDeselect) userInfo.onDeselect();
reset_textbox_text();
edit = std::nullopt;
populate_empty_textbox();
}
}
@ -114,6 +120,21 @@ template <typename T> void TextBox<T>::input_text_key_callback(const InputManage
}
}
template <typename T> void TextBox<T>::populate_empty_textbox() {
if(!is_selected() && isEmptyText && !userInfo.emptyText.empty()) {
RichText::TextData text;
RichText::TextData::Paragraph& par = text.paragraphs.emplace_back();
par.text = userInfo.emptyText;
RichText::PositionedTextStyleMod& positionedMod = text.tStyleMods.emplace_back();
positionedMod.pos = {0, 0};
positionedMod.mods[RichText::TextStyleModifier::ModifierType::SLANT] = std::make_shared<RichText::SlantTextStyleModifier>(SkFontStyle::kItalic_Slant);
positionedMod.mods[RichText::TextStyleModifier::ModifierType::COLOR] = std::make_shared<RichText::ColorTextStyleModifier>(convert_vec4<Vector4f>(gui.io.theme->frontColor2));
textbox->set_rich_text_data(text);
}
}
template <typename T> void TextBox<T>::after_text_input_callback() {
if(userInfo.immutable)
cur->pos = cur->selectionBeginPos = cur->selectionEndPos = textbox->insert({0, 0}, userInfo.toStr(*userInfo.data));
@ -167,7 +188,9 @@ template <typename T> void TextBox<T>::init_textbox(UpdateInputData& io) {
}
template <typename T> void TextBox<T>::reset_textbox_text() {
textbox->set_string(userInfo.toStr(*userInfo.data));
std::string newStr = userInfo.toStr(*userInfo.data);
isEmptyText = newStr.empty();
textbox->set_string(newStr);
cur->pos = textbox->move(RichText::TextBox::Movement::NOWHERE, cur->pos);
cur->selectionBeginPos = textbox->move(RichText::TextBox::Movement::NOWHERE, cur->selectionBeginPos);
cur->selectionEndPos = textbox->move(RichText::TextBox::Movement::NOWHERE, cur->selectionEndPos);