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TextEditor: Animate navigation within file

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Change-Id: I490d70a785c947cd41809503e15a317152126641
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
This commit is contained in:
David Schulz
2017-05-23 14:34:22 +02:00
parent 752662e478
commit 2b83869236
8 changed files with 89 additions and 13 deletions
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2
src/plugins/cppeditor/cppoutline.cpp
View File

@@ -173,7 +173,7 @@ void CppOutlineWidget::updateTextCursor(const QModelIndex &proxyIndex)
Core::EditorManager::addCurrentPositionToNavigationHistory();
// line has to be 1 based, column 0 based!
m_editor->gotoLine(symbol->line(), symbol->column() - 1);
m_editor->gotoLine(symbol->line(), symbol->column() - 1, true, true);
m_blockCursorSync = false;
}
}

2
src/plugins/cpptools/cppeditoroutline.cpp
View File

@@ -252,7 +252,7 @@ void CppEditorOutline::gotoSymbolInEditor()
Core::EditorManager::cutForwardNavigationHistory();
Core::EditorManager::addCurrentPositionToNavigationHistory();
m_editorWidget->gotoLine(link.targetLine, link.targetColumn);
m_editorWidget->gotoLine(link.targetLine, link.targetColumn, true, true);
m_editorWidget->activateEditor();
}

7
src/plugins/texteditor/displaysettings.cpp
View File

@@ -42,6 +42,8 @@ static const char centerCursorOnScrollKey[] = "CenterCursorOnScroll";
static const char openLinksInNextSplitKey[] = "OpenLinksInNextSplitKey";
static const char displayFileEncodingKey[] = "DisplayFileEncoding";
static const char scrollBarHighlightsKey[] = "ScrollBarHighlights";
static const char animateNavigationWithinFileKey[] = "AnimateNavigationWithinFile";
static const char animateWithinFileTimeMaxKey[] = "AnimateWithinFileTimeMax";
static const char groupPostfix[] = "DisplaySettings";
namespace TextEditor {
@@ -66,6 +68,7 @@ void DisplaySettings::toSettings(const QString &category, QSettings *s) const
s->setValue(QLatin1String(openLinksInNextSplitKey), m_openLinksInNextSplit);
s->setValue(QLatin1String(displayFileEncodingKey), m_displayFileEncoding);
s->setValue(QLatin1String(scrollBarHighlightsKey), m_scrollBarHighlights);
s->setValue(QLatin1String(animateNavigationWithinFileKey), m_animateNavigationWithinFile);
s->endGroup();
}
@@ -92,6 +95,8 @@ void DisplaySettings::fromSettings(const QString &category, const QSettings *s)
m_openLinksInNextSplit = s->value(group + QLatin1String(openLinksInNextSplitKey), m_openLinksInNextSplit).toBool();
m_displayFileEncoding = s->value(group + QLatin1String(displayFileEncodingKey), m_displayFileEncoding).toBool();
m_scrollBarHighlights = s->value(group + QLatin1String(scrollBarHighlightsKey), m_scrollBarHighlights).toBool();
m_animateNavigationWithinFile = s->value(group + QLatin1String(animateNavigationWithinFileKey), m_animateNavigationWithinFile).toBool();
m_animateWithinFileTimeMax = s->value(group + QLatin1String(animateWithinFileTimeMaxKey), m_animateWithinFileTimeMax).toInt();
}
bool DisplaySettings::equals(const DisplaySettings &ds) const
@@ -111,6 +116,8 @@ bool DisplaySettings::equals(const DisplaySettings &ds) const
&& m_forceOpenLinksInNextSplit == ds.m_forceOpenLinksInNextSplit
&& m_displayFileEncoding == ds.m_displayFileEncoding
&& m_scrollBarHighlights == ds.m_scrollBarHighlights
&& m_animateNavigationWithinFile == ds.m_animateNavigationWithinFile
&& m_animateWithinFileTimeMax == ds.m_animateWithinFileTimeMax
;
}

2
src/plugins/texteditor/displaysettings.h
View File

@@ -56,6 +56,8 @@ public:
bool m_forceOpenLinksInNextSplit = false;
bool m_displayFileEncoding = false;
bool m_scrollBarHighlights = true;
bool m_animateNavigationWithinFile = false;
int m_animateWithinFileTimeMax = 333; // read only setting
bool equals(const DisplaySettings &ds) const;
};

2
src/plugins/texteditor/displaysettingspage.cpp
View File

@@ -118,6 +118,7 @@ void DisplaySettingsPage::settingsFromUI(DisplaySettings &displaySettings,
displaySettings.m_openLinksInNextSplit = d->m_page->openLinksInNextSplit->isChecked();
displaySettings.m_displayFileEncoding = d->m_page->displayFileEncoding->isChecked();
displaySettings.m_scrollBarHighlights = d->m_page->scrollBarHighlights->isChecked();
displaySettings.m_animateNavigationWithinFile = d->m_page->animateNavigationWithinFile->isChecked();
}
void DisplaySettingsPage::settingsToUI()
@@ -140,6 +141,7 @@ void DisplaySettingsPage::settingsToUI()
d->m_page->openLinksInNextSplit->setChecked(displaySettings.m_openLinksInNextSplit);
d->m_page->displayFileEncoding->setChecked(displaySettings.m_displayFileEncoding);
d->m_page->scrollBarHighlights->setChecked(displaySettings.m_scrollBarHighlights);
d->m_page->animateNavigationWithinFile->setChecked(displaySettings.m_animateNavigationWithinFile);
}
const DisplaySettings &DisplaySettingsPage::displaySettings() const

9
src/plugins/texteditor/displaysettingspage.ui
View File

@@ -7,7 +7,7 @@
<x>0</x>
<y>0</y>
<width>501</width>
<height>331</height>
<height>339</height>
</rect>
</property>
<layout class="QGridLayout" name="gridLayout_3">
@@ -174,6 +174,13 @@
</property>
</widget>
</item>
<item row="7" column="1">
<widget class="QCheckBox" name="animateNavigationWithinFile">
<property name="text">
<string>Animate navigation within file</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>

67
src/plugins/texteditor/texteditor.cpp
View File

@@ -99,7 +99,9 @@
#include <QPainter>
#include <QPrintDialog>
#include <QPrinter>
#include <QPropertyAnimation>
#include <QDrag>
#include <QSequentialAnimationGroup>
#include <QScrollBar>
#include <QShortcut>
#include <QStyle>
@@ -457,6 +459,8 @@ public:
bool m_assistRelevantContentAdded = false;
QList<BaseHoverHandler *> m_hoverHandlers; // Not owned
QPointer<QSequentialAnimationGroup> m_navigationAnimation;
QPointer<TextEditorAnimator> m_bracketsAnimator;
// Animation and highlighting of auto completed text
@@ -2515,7 +2519,7 @@ void TextEditorWidget::doSetTextCursor(const QTextCursor &cursor)
doSetTextCursor(cursor, false);
}
void TextEditorWidget::gotoLine(int line, int column, bool centerLine)
void TextEditorWidget::gotoLine(int line, int column, bool centerLine, bool animate)
{
d->m_lastCursorChangeWasInteresting = false; // avoid adding the previous position to history
const int blockNumber = qMin(line, document()->blockCount()) - 1;
@@ -2531,13 +2535,62 @@ void TextEditorWidget::gotoLine(int line, int column, bool centerLine)
}
cursor.setPosition(pos);
}
setTextCursor(cursor);
const DisplaySettings &ds = d->m_displaySettings;
if (animate && ds.m_animateNavigationWithinFile) {
const QScrollBar *scrollBar = verticalScrollBar();
const int start = scrollBar->value();
setTextCursor(cursor);
ensureBlockIsUnfolded(block);
const int visibleLines = lastVisibleLine() - firstVisibleLine();
int end = 0;
auto it = document()->firstBlock();
while (it.isValid() && it != block) {
if (it.isVisible())
++end;
it = it.next();
}
if (centerLine)
end = qMin(scrollBar->maximum(), qMax(scrollBar->minimum(), end - visibleLines / 2));
const int delta = end - start;
// limit the number of steps for the animation otherwise you wont be able to tell
// the direction of the animantion for large delta values
const int steps = qMax(-ds.m_animateWithinFileTimeMax,
qMin(ds.m_animateWithinFileTimeMax, delta));
// limit the duration of the animation to at least 4 pictures on a 60Hz Monitor and
// at most to the number of absolute steps
const int durationMinimum = int (4 // number of pictures
* float(1) / 60 // on a 60 Hz Monitor
* 1000); // milliseconds
const int duration = qMax(durationMinimum, qAbs(steps));
d->m_navigationAnimation = new QSequentialAnimationGroup(this);
auto startAnimation = new QPropertyAnimation(verticalScrollBar(), "value");
startAnimation->setEasingCurve(QEasingCurve::InExpo);
startAnimation->setStartValue(start);
startAnimation->setEndValue(start + steps / 2);
startAnimation->setDuration(duration / 2);
d->m_navigationAnimation->addAnimation(startAnimation);
auto endAnimation = new QPropertyAnimation(verticalScrollBar(), "value");
endAnimation->setEasingCurve(QEasingCurve::OutExpo);
endAnimation->setStartValue(end - steps / 2);
endAnimation->setEndValue(end);
endAnimation->setDuration(duration / 2);
d->m_navigationAnimation->addAnimation(endAnimation);
d->m_navigationAnimation->start(QAbstractAnimation::DeleteWhenStopped);
} else {
setTextCursor(cursor);
if (centerLine)
centerCursor();
else
ensureCursorVisible();
}
}
d->saveCurrentCursorPositionForNavigation();
}
@@ -5224,7 +5277,12 @@ void TextEditorWidget::extraAreaMouseEvent(QMouseEvent *e)
void TextEditorWidget::ensureCursorVisible()
{
QTextBlock block = textCursor().block();
ensureBlockIsUnfolded(textCursor().block());
QPlainTextEdit::ensureCursorVisible();
}
void TextEditorWidget::ensureBlockIsUnfolded(QTextBlock block)
{
if (!block.isVisible()) {
TextDocumentLayout *documentLayout = qobject_cast<TextDocumentLayout*>(document()->documentLayout());
QTC_ASSERT(documentLayout, return);
@@ -5246,7 +5304,6 @@ void TextEditorWidget::ensureCursorVisible()
documentLayout->requestUpdate();
documentLayout->emitDocumentSizeChanged();
}
QPlainTextEdit::ensureCursorVisible();
}
void TextEditorWidgetPrivate::toggleBlockVisible(const QTextBlock &block)
@@ -5493,7 +5550,7 @@ bool TextEditorWidget::openLink(const Link &link, bool inNextSplit)
if (!inNextSplit && textDocument()->filePath().toString() == link.targetFileName) {
EditorManager::addCurrentPositionToNavigationHistory();
gotoLine(link.targetLine, link.targetColumn);
gotoLine(link.targetLine, link.targetColumn, true, true);
setFocus();
return true;
}

3
src/plugins/texteditor/texteditor.h
View File

@@ -183,7 +183,7 @@ public:
// IEditor
QByteArray saveState() const;
bool restoreState(const QByteArray &state);
void gotoLine(int line, int column = 0, bool centerLine = true);
void gotoLine(int line, int column = 0, bool centerLine = true, bool animate = false);
int position(TextPositionOperation posOp = CurrentPosition,
int at = -1) const;
void convertPosition(int pos, int *line, int *column) const;
@@ -297,6 +297,7 @@ public:
const BehaviorSettings &behaviorSettings() const;
void ensureCursorVisible();
void ensureBlockIsUnfolded(QTextBlock block);
static Core::Id FakeVimSelection;
static Core::Id SnippetPlaceholderSelection;