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Better flexibility and extensibility in text editor tooltip's internals.

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This commit is contained in:
Leandro Melo
2010-08-23 15:21:02 +02:00
parent 42d15fcf74
commit 14ffff317c
13 changed files with 548 additions and 150 deletions
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52
src/plugins/texteditor/tooltip/tooltip.h
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@@ -35,24 +35,30 @@
#include <QtCore/QSharedPointer>
#include <QtCore/QObject>
#include <QtCore/QTimer>
#include <QtCore/QRect>
/*
* In its current form QToolTip is not extensible. So this is an attempt to provide a more
* flexible and customizable tooltip mechanism for Creator. Part of the code here is duplicated
* from QToolTip. This includes a private Qt header and the non-exported class QTipLabel, which
* here serves as a base tip class. Please notice that Qt relies on this particular class name in
* order to correctly apply the native styles for tooltips. Therefore the QTipLabel name should
* not be changed.
*/
QT_BEGIN_NAMESPACE
class QPoint;
class QString;
class QColor;
class QWidget;
class QTipLabel;
QT_END_NAMESPACE
namespace TextEditor {
namespace Internal {
class Tip;
class TipContent;
class TipFactory;
}
/*
* This class contains some code duplicated from QTooltip. It would be good to make that reusable.
*/
class TipContent;
class TEXTEDITOR_EXPORT ToolTip : public QObject
{
@@ -65,33 +71,31 @@ public:
static ToolTip *instance();
void showText(const QPoint &pos, const QString &text, QWidget *w = 0);
void showColor(const QPoint &pos, const QColor &color, QWidget *w = 0);
void show(const QPoint &pos, const TipContent &content, QWidget *w = 0);
void show(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
void hide();
bool isVisible() const;
virtual bool eventFilter(QObject *o, QEvent *event);
private:
bool acceptShow(const QSharedPointer<Internal::TipContent> &content,
const QPoint &pos,
QWidget *w);
void setUp(const QSharedPointer<Internal::TipContent> &content,
const QPoint &pos,
QWidget *w);
bool requiresSetUp(const QSharedPointer<Internal::TipContent> &content, QWidget *w) const;
void placeTip(const QPoint &pos, QWidget *w);
int tipScreen(const QPoint &pos, QWidget *w) const;
void showTip();
void hideTipWithDelay();
void hideQtTooltip();
private slots:
void hideTipImmediately();
private:
Internal::Tip *m_tip;
bool acceptShow(const TipContent &content, const QPoint &pos, QWidget *w, const QRect &rect);
bool validateContent(const TipContent &content);
void setUp(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect);
bool tipChanged(const QPoint &pos, const TipContent &content, QWidget *w) const;
void setTipRect(QWidget *w, const QRect &rect);
void placeTip(const QPoint &pos, QWidget *w);
int tipScreen(const QPoint &pos, QWidget *w) const;
void showTip();
void hideTipWithDelay();
Internal::TipFactory *m_tipFactory;
QTipLabel *m_tip;
QWidget *m_widget;
QRect m_rect;
QTimer m_showTimer;
QTimer m_hideDelayTimer;
};