6663b6c9
 adorian
projet complet av...
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#include <escher/text_input.h>
#include <assert.h>
/* TextInput::ContentView */
TextInput::ContentView::ContentView(KDText::FontSize size) :
View(),
m_cursorView(),
m_fontSize(size),
m_cursorIndex(0)
{
}
void TextInput::ContentView::setCursorLocation(int location) {
int adjustedLocation = location < 0 ? 0 : location;
adjustedLocation = adjustedLocation > (signed int)editedTextLength() ? (signed int)editedTextLength() : adjustedLocation;
m_cursorIndex = adjustedLocation;
layoutSubviews();
}
KDRect TextInput::ContentView::cursorRect() {
return characterFrameAtIndex(m_cursorIndex);
}
int TextInput::ContentView::numberOfSubviews() const {
return 1;
}
View * TextInput::ContentView::subviewAtIndex(int index) {
return &m_cursorView;
}
void TextInput::ContentView::layoutSubviews() {
m_cursorView.setFrame(cursorRect());
}
KDRect TextInput::ContentView::dirtyRectFromCursorPosition(size_t index, bool lineBreak) const {
KDRect charRect = characterFrameAtIndex(index);
KDRect dirtyRect = KDRect(charRect.x(), charRect.y(), bounds().width() - charRect.x(), charRect.height());
if (lineBreak) {
dirtyRect = dirtyRect.unionedWith(KDRect(0, charRect.bottom()+1, bounds().width(), bounds().height()-charRect.bottom()-1));
}
return dirtyRect;
}
void TextInput::ContentView::reloadRectFromCursorPosition(size_t index, bool lineBreak) {
markRectAsDirty(dirtyRectFromCursorPosition(index, lineBreak));
}
/* TextInput */
TextInput::TextInput(Responder * parentResponder, View * contentView) :
ScrollableView(parentResponder, contentView, this)
{
}
Toolbox * TextInput::toolbox() {
if (delegate()) {
return delegate()->toolboxForTextInput(this);
}
return nullptr;
}
bool TextInput::removeChar() {
contentView()->removeChar();
scrollToCursor();
return true;
}
void TextInput::scrollToCursor() {
/* Technically, we do not need to overscroll in text input. However,
* logically, we should layout the scroll view before calling
* scrollToContentRect in case the size of the scroll view has changed and
* then call scrollToContentRect which call another layout of the scroll view
* if the offset has evolved. In order to avoid requiring two layouts, we
* allow overscrolling in scrollToContentRect and the last layout of the
* scroll view corrects the size of the scroll view only once. */
scrollToContentRect(contentView()->cursorRect(), true);
}
bool TextInput::setCursorLocation(int location) {
contentView()->setCursorLocation(location);
scrollToCursor();
return true;
}
bool TextInput::insertTextAtLocation(const char * text, int location) {
if (contentView()->insertTextAtLocation(text, location)) {
/* We layout the scrollable view before scrolling to cursor because the
* content size might have changed. */
layoutSubviews();
scrollToCursor();
return true;
}
return false;
}
bool TextInput::removeEndOfLine() {
if (contentView()->removeEndOfLine()) {
scrollToCursor();
return true;
}
return false;
}
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