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Fix freeze copy/pasting large amounts of text

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This commit is contained in:
Kae 2023-06-28 20:08:17 +10:00
parent 48ec889579
commit c37dd994d7
1 changed files with 18 additions and 14 deletions
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32
source/windowing/StarTextBoxWidget.cpp
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@ -333,21 +333,22 @@ bool TextBoxWidget::innerSendEvent(InputEvent const& event) {
}
}
int rightSteps = 1;
int leftSteps = 1;
if ((keyDown->mods & (KeyMod::LCtrl | KeyMod::RCtrl)) != KeyMod::NoMod || (keyDown->mods & (KeyMod::LAlt | KeyMod::RAlt)) != KeyMod::NoMod) {
rightSteps = m_text.findNextBoundary(m_cursorOffset) - m_cursorOffset;
leftSteps = m_cursorOffset - m_text.findNextBoundary(m_cursorOffset, true);
auto calculateSteps = [&](bool dir) {
if ((keyDown->mods & (KeyMod::LCtrl | KeyMod::RCtrl)) != KeyMod::NoMod || (keyDown->mods & (KeyMod::LAlt | KeyMod::RAlt)) != KeyMod::NoMod) {
int steps;
if (dir) // right
steps = m_text.findNextBoundary(m_cursorOffset) - m_cursorOffset;
else // left
steps = m_cursorOffset - m_text.findNextBoundary(m_cursorOffset, true);
if (rightSteps < 1)
rightSteps = 1;
if (leftSteps < 1)
leftSteps = 1;
}
return steps < 1 ? 1 : steps;
}
};
if (keyDown->key == Key::Backspace) {
int steps = calculateSteps(false);
m_repeatCode = SpecialRepeatKeyCodes::Backspace;
for (int i = 0; i < leftSteps; i++) {
for (int i = 0; i < steps; i++) {
if (m_cursorOffset > 0) {
if (modText(m_text.substr(0, m_cursorOffset - 1) + m_text.substr(m_cursorOffset)))
m_cursorOffset -= 1;
@ -356,16 +357,18 @@ bool TextBoxWidget::innerSendEvent(InputEvent const& event) {
return true;
}
if (keyDown->key == Key::Delete) {
int steps = calculateSteps(true);
m_repeatCode = SpecialRepeatKeyCodes::Delete;
for (int i = 0; i < rightSteps; i++) {
for (int i = 0; i < steps; i++) {
if (m_cursorOffset < (int)m_text.size())
modText(m_text.substr(0, m_cursorOffset) + m_text.substr(m_cursorOffset + 1));
}
return true;
}
if (keyDown->key == Key::Left) {
int steps = calculateSteps(false);
m_repeatCode = SpecialRepeatKeyCodes::Left;
for (int i = 0; i < leftSteps; i++) {
for (int i = 0; i < steps; i++) {
m_cursorOffset--;
if (m_cursorOffset < 0)
m_cursorOffset = 0;
@ -373,8 +376,9 @@ bool TextBoxWidget::innerSendEvent(InputEvent const& event) {
return true;
}
if (keyDown->key == Key::Right) {
int steps = calculateSteps(true);
m_repeatCode = SpecialRepeatKeyCodes::Right;
for (int i = 0; i < rightSteps; i++) {
for (int i = 0; i < steps; i++) {
m_cursorOffset++;
if (m_cursorOffset > (int)m_text.size())
m_cursorOffset = m_text.size();