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TextEditor: Allow asynchronous hover handlers

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Change-Id: I956b126e2c779aa81f86e4432d127b45ac1912ff
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Nikolai Kosjar
2017-06-26 11:15:19 +02:00
parent 6e51fd2a0c
commit 999e6bc671
3 changed files with 161 additions and 51 deletions
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38
src/plugins/texteditor/basehoverhandler.cpp
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@@ -26,6 +26,7 @@
#include "basehoverhandler.h"
#include "texteditor.h"
#include <utils/qtcassert.h>
#include <utils/tooltip/tooltip.h>
namespace TextEditor {
@@ -33,6 +34,11 @@ namespace TextEditor {
BaseHoverHandler::~BaseHoverHandler()
{}
bool BaseHoverHandler::isAsyncHandler() const
{
return m_isAsyncHandler;
}
void BaseHoverHandler::showToolTip(TextEditorWidget *widget, const QPoint &point, bool decorate)
{
if (decorate)
@@ -40,13 +46,18 @@ void BaseHoverHandler::showToolTip(TextEditorWidget *widget, const QPoint &point
operateTooltip(widget, point);
}
int BaseHoverHandler::checkToolTip(TextEditorWidget *widget, int pos)
void BaseHoverHandler::checkPriority(TextEditorWidget *widget,
int pos,
ReportPriority report)
{
widget->setContextHelpId(QString());
process(widget, pos);
process(widget, pos, report);
}
return priority();
void BaseHoverHandler::cancelAsyncCheck()
{
QTC_CHECK(false && "BaseHoverHandler: Implement cancelCheck() in derived class!");
}
int BaseHoverHandler::priority() const
@@ -73,7 +84,7 @@ QString BaseHoverHandler::contextHelpId(TextEditorWidget *widget, int pos)
// If the tooltip is visible and there is a help match, this match is used to update
// the help id. Otherwise, let the identification process happen.
if (!Utils::ToolTip::isVisible() || !lastHelpItemIdentified().isValid())
process(widget, pos);
process(widget, pos, ReportPriority()); // TODO
if (lastHelpItemIdentified().isValid())
return lastHelpItemIdentified().helpId();
@@ -100,13 +111,23 @@ const HelpItem &BaseHoverHandler::lastHelpItemIdentified() const
return m_lastHelpItemIdentified;
}
void BaseHoverHandler::process(TextEditorWidget *widget, int pos)
void BaseHoverHandler::process(TextEditorWidget *widget, int pos, ReportPriority report)
{
m_toolTip.clear();
m_priority = -1;
m_lastHelpItemIdentified = HelpItem();
identifyMatch(widget, pos);
if (m_isAsyncHandler) {
identifyMatchAsync(widget, pos, report);
} else {
identifyMatch(widget, pos);
report(priority());
}
}
void BaseHoverHandler::setIsAsyncHandler(bool isAsyncHandler)
{
m_isAsyncHandler = isAsyncHandler;
}
void BaseHoverHandler::identifyMatch(TextEditorWidget *editorWidget, int pos)
@@ -116,6 +137,11 @@ void BaseHoverHandler::identifyMatch(TextEditorWidget *editorWidget, int pos)
setToolTip(tooltip);
}
void BaseHoverHandler::identifyMatchAsync(TextEditorWidget *, int, BaseHoverHandler::ReportPriority)
{
QTC_CHECK(false && "BaseHoverHandler: Implement identifyMatchAsync() in derived class!");
}
void BaseHoverHandler::decorateToolTip()
{
if (Qt::mightBeRichText(toolTip()))