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handle PageUp, PageDown, Ctrl-F, Ctrl-B

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This commit is contained in:
hjk
2008-12-25 16:27:47 +01:00
committed by Roberto Raggi
parent 5689826800
commit 21787ca4b5
1 changed files with 46 additions and 8 deletions
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54
src/plugins/fakevim/handler.cpp
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@@ -64,6 +64,7 @@ using namespace FakeVim::Internal;
// FakeVimHandler
//
///////////////////////////////////////////////////////////////////////
const int ParagraphSeparator = 0x00002029;
using namespace Qt;
@@ -110,6 +111,12 @@ public:
int rightDist() const { return m_tc.block().length() - leftDist() - 1; }
bool atEol() const { return m_tc.atBlockEnd() && m_tc.block().length()>1; }
// all zero-based counting
int cursorLineOnScreen() const;
int linesOnScreen() const;
int cursorLineInDocument() const;
void scrollToLineInDocument(int line);
void moveToFirstNonBlankOnLine();
FakeVimHandler *q;
@@ -255,14 +262,7 @@ void FakeVimHandler::Private::handleCommandMode(int key, const QString &text)
} else if (m_submode == ZSubMode) {
if (key == Key_Return) {
// cursor line to top of window, cursor on first non-blank
QRect rect = m_editor->cursorRect();
int blocksUp = rect.y() / rect.height();
int blockNumber = m_tc.block().blockNumber();
QScrollBar *scrollBar = m_editor->verticalScrollBar();
if (blockNumber != blocksUp) {
scrollBar->setValue(scrollBar->value() * blockNumber
/ (blockNumber - blocksUp));
}
scrollToLineInDocument(cursorLineInDocument());
moveToFirstNonBlankOnLine();
finishMovement();
} else {
@@ -380,6 +380,12 @@ void FakeVimHandler::Private::handleCommandMode(int key, const QString &text)
finishMovement();
} else if (key == 'z') {
m_submode = ZSubMode;
} else if (key == Key_PageDown || key == control('f')) {
m_tc.movePosition(Down, KeepAnchor, count() * (linesOnScreen() - 2));
finishMovement();
} else if (key == Key_PageUp || key == control('b')) {
m_tc.movePosition(Up, KeepAnchor, count() * (linesOnScreen() - 2));
finishMovement();
} else if (key == Key_Backspace) {
m_tc.deletePreviousChar();
} else if (key == Key_Delete) {
@@ -408,6 +414,12 @@ void FakeVimHandler::Private::handleInsertMode(int key, const QString &text)
m_tc.deletePreviousChar();
} else if (key == Key_Delete) {
m_tc.deleteChar();
} else if (key == Key_PageDown || key == control('f')) {
m_tc.movePosition(Down, KeepAnchor, count() * (linesOnScreen() - 2));
finishMovement();
} else if (key == Key_PageUp || key == control('b')) {
m_tc.movePosition(Up, KeepAnchor, count() * (linesOnScreen() - 2));
finishMovement();
} else {
m_tc.insertText(text);
}
@@ -503,6 +515,32 @@ void FakeVimHandler::Private::moveToFirstNonBlankOnLine()
}
}
int FakeVimHandler::Private::cursorLineOnScreen() const
{
QRect rect = m_editor->cursorRect();
return rect.y() / rect.height();
}
int FakeVimHandler::Private::linesOnScreen() const
{
QRect rect = m_editor->cursorRect();
//qDebug() << m_editor->height() / rect.height();
return m_editor->height() / rect.height();
}
int FakeVimHandler::Private::cursorLineInDocument() const
{
//qDebug() << "CURSOR LINE IN DOCUMENT " << m_tc.block().blockNumber();
return m_tc.block().blockNumber();
}
void FakeVimHandler::Private::scrollToLineInDocument(int line)
{
// FIXME: works only for QPlainTextEdit
QScrollBar *scrollBar = m_editor->verticalScrollBar();
scrollBar->setValue(line);
}
///////////////////////////////////////////////////////////////////////
//
// FakeVimHandler