copilot/infinipaint
1
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

Added text style modifiers

Browse source
This commit is contained in:
Yousef Khadadeh 2025-11-04 10:58:26 +03:00
parent 640d4673ad
commit b43fedaaac
11 changed files with 385 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

95
src/RichTextBox/RichTextBox.cpp
View file

@ -1,4 +1,5 @@
#include "RichTextBox.hpp"
#include "TextStyleModifier.hpp"
#include <limits>
#include <modules/skparagraph/include/DartTypes.h>
#include <modules/skparagraph/include/Metrics.h>
@ -9,6 +10,37 @@
#include <modules/skparagraph/src/ParagraphImpl.h>
#include <Helpers/MathExtras.hpp>
#include <src/base/SkUTF.h>
#include <cereal/types/string.hpp>
void RichTextBox::RichTextData::Paragraph::save(cereal::PortableBinaryOutputArchive& a) const {
a(text);
a(static_cast<uint32_t>(tStyles.size()));
for(auto& [pos, styles] : tStyles) {
a(pos, static_cast<uint16_t>(styles.size()));
for(auto& [styleType, style] : styles)
a(static_cast<uint16_t>(styleType), *style);
}
}
void RichTextBox::RichTextData::Paragraph::load(cereal::PortableBinaryInputArchive& a) {
a(text);
uint32_t styleCount;
a(styleCount);
tStyles.clear();
for(uint32_t i = 0; i < styleCount; i++) {
uint32_t pos;
uint16_t styleCountAtPos;
a(pos, styleCountAtPos);
TextModAtPosContainer& mods = tStyles[pos];
for(uint16_t j = 0; j < styleCountAtPos; j++) {
uint16_t styleType;
a(styleType);
std::shared_ptr<TextStyleModifier> modifier = TextStyleModifier::allocate_modifier(static_cast<TextStyleModifier::ModifierType>(styleType));
a(*modifier);
mods.emplace(static_cast<TextStyleModifier::ModifierType>(styleType), modifier);
}
}
}
bool RichTextBox::TextPosition::operator<(const RichTextBox::TextPosition& o) const {
return (this->fParagraphIndex < o.fParagraphIndex) || (this->fParagraphIndex == o.fParagraphIndex && this->fTextByteIndex < o.fTextByteIndex);
@ -50,13 +82,13 @@ void RichTextBox::process_key_input(Cursor& cur, InputKey in, bool ctrl, bool sh
if(cur.selectionBeginPos != cur.selectionEndPos)
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.selectionBeginPos, cur.selectionEndPos);
else
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.pos, move(Movement::LEFT, cur.pos));
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.pos, move(ctrl ? Movement::LEFT_WORD : Movement::LEFT, cur.pos));
break;
case InputKey::DELETE:
if(cur.selectionBeginPos != cur.selectionEndPos)
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.selectionBeginPos, cur.selectionEndPos);
else
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.pos, move(Movement::RIGHT, cur.pos));
cur.selectionEndPos = cur.selectionBeginPos = cur.pos = remove(cur.pos, move(ctrl ? Movement::RIGHT_WORD : Movement::RIGHT, cur.pos));
break;
case InputKey::ENTER:
process_text_input(cur, "\n");
@ -217,7 +249,13 @@ RichTextBox::TextPosition RichTextBox::get_text_pos_closest_to_point(Vector2f po
}
RichTextBox::RichTextData RichTextBox::get_rich_text_data() {
return {get_string()};
RichTextData toRet;
for(auto& p : paragraphs) {
toRet.paragraphs.emplace_back();
toRet.paragraphs.back().text = p.text;
toRet.paragraphs.back().tStyles = p.tStyles;
}
return toRet;
}
void RichTextBox::clear_text() {
@ -231,7 +269,15 @@ void RichTextBox::set_string(const std::string& str) {
}
void RichTextBox::set_rich_text_data(const RichTextData& richText) {
set_string(richText.text);
paragraphs.clear();
for(auto& p : richText.paragraphs) {
paragraphs.emplace_back();
paragraphs.back().text = p.text;
paragraphs.back().tStyles = p.tStyles;
}
if(richText.paragraphs.empty())
paragraphs.emplace_back();
needsRebuild = true;
}
std::string RichTextBox::get_string() {
@ -261,6 +307,16 @@ std::string RichTextBox::get_text_between(TextPosition p1, TextPosition p2) {
return toRet;
}
void RichTextBox::set_initial_text_style_modifier(const std::shared_ptr<TextStyleModifier>& modifier) {
std::shared_ptr<TextStyleModifier>& modToSet = paragraphs.back().tStyles[0][modifier->get_type()];
needsRebuild |= ((modToSet == nullptr) || (!modifier->equivalent(*modToSet)));
modToSet = modifier;
}
void RichTextBox::set_text_style_modifier_between(TextPosition p1, TextPosition p2, const std::shared_ptr<TextStyleModifier>& modifier) {
needsRebuild = true;
}
RichTextBox::TextPosition RichTextBox::move(Movement movement, TextPosition pos, std::optional<float>* previousX, bool flipDependingOnTextDirection) {
if(pos.fParagraphIndex >= paragraphs.size()) {
pos.fParagraphIndex = paragraphs.size() - 1;
@ -457,18 +513,35 @@ void RichTextBox::set_font_collection(const sk_sp<skia::textlayout::FontCollecti
void RichTextBox::rebuild() {
if(needsRebuild) {
float heightOffset = 0.0f;
skia::textlayout::TextStyle tStyle;
for(ParagraphData& pData : paragraphs) {
pData.pStyle.setTextAlign(skia::textlayout::TextAlign::kLeft);
pData.pStyle.setTextDirection(skia::textlayout::TextDirection::kLtr);
skia::textlayout::TextStyle tStyle;
tStyle.setFontSize(16.0f);
tStyle.setFontFamilies({SkString{"Roboto"}});
pData.pStyle.setTextStyle(tStyle);
skia::textlayout::ParagraphBuilderImpl a(pData.pStyle, fontCollection, SkUnicodes::ICU::Make());
a.addText(pData.text.c_str(), pData.text.length());
size_t startPos = 0;
for(auto& [pos, tStylesAtPos] : pData.tStyles) {
if(pos > pData.text.size())
break;
for(auto& [styleType, styleMod] : tStylesAtPos)
styleMod->modify_text_style(tStyle);
if(startPos != pos) {
a.pushStyle(tStyle);
a.addText(pData.text.c_str() + startPos, pos - startPos);
a.pop();
}
startPos = pos;
}
if(startPos < pData.text.size()) {
a.pushStyle(tStyle);
a.addText(pData.text.c_str() + startPos, pData.text.size() - startPos);
a.pop();
}
pData.p = a.Build();
pData.p->layout(width);
pData.heightOffset = heightOffset;