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author | Tobias Markmann <tm@ayena.de> | 2013-12-08 16:48:18 (GMT) |
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committer | Swift Review <review@swift.im> | 2014-05-26 14:40:44 (GMT) |
commit | 168538129a69fa37a19e768149b32ca262bb85a3 (patch) | |
tree | 70881bbddc7561f2139f9d2ec32c7a5d357a8909 /Swift/QtUI/Roster | |
parent | 3a2c03a97576b2839eeba3015ccebde769263d09 (diff) | |
download | swift-contrib-168538129a69fa37a19e768149b32ca262bb85a3.zip swift-contrib-168538129a69fa37a19e768149b32ca262bb85a3.tar.bz2 |
Add QtFilterWidget, a general live-filtering composite widget for QtTreeWidgets.
Change-Id: I39d1ae718890d15ffacde6d482b5435cc05330ec
License: This patch is BSD-licensed, see Documentation/Licenses/BSD-simplified.txt for details.
Diffstat (limited to 'Swift/QtUI/Roster')
-rw-r--r-- | Swift/QtUI/Roster/QtFilterWidget.cpp | 132 | ||||
-rw-r--r-- | Swift/QtUI/Roster/QtFilterWidget.h | 46 |
2 files changed, 178 insertions, 0 deletions
diff --git a/Swift/QtUI/Roster/QtFilterWidget.cpp b/Swift/QtUI/Roster/QtFilterWidget.cpp new file mode 100644 index 0000000..5bd4669 --- /dev/null +++ b/Swift/QtUI/Roster/QtFilterWidget.cpp @@ -0,0 +1,132 @@ +/* + * Copyright (c) 2013 Tobias Markmann + * Licensed under the simplified BSD license. + * See Documentation/Licenses/BSD-simplified.txt for more information. + */ + +#include <Swift/QtUI/Roster/QtFilterWidget.h> + +#include <QLayout> +#include <QVBoxLayout> +#include <QKeyEvent> +#include <QEvent> +#include <QString> +#include <QEvent> + +#include <Swift/QtUI/QtSwiftUtil.h> + +namespace Swift { + +QtFilterWidget::QtFilterWidget(QWidget* parent, QtTreeWidget* treeView, QBoxLayout* layout) : QWidget(parent), treeView_(treeView), fuzzyRosterFilter_(0), isModifierSinglePressed_(false) { + int targetIndex = layout->indexOf(treeView); + + QVBoxLayout* vboxLayout = new QVBoxLayout(this); + vboxLayout->setSpacing(0); + vboxLayout->setContentsMargins(0,0,0,0); + + filterLineEdit_ = new QLineEdit(this); + filterLineEdit_->hide(); + vboxLayout->addWidget(filterLineEdit_); + + vboxLayout->addWidget(treeView); + setLayout(vboxLayout); + layout->insertWidget(targetIndex, this); + + filterLineEdit_->installEventFilter(this); + treeView->installEventFilter(this); + + sourceModel_ = treeView_->model(); +} + +QtFilterWidget::~QtFilterWidget() { + +} + +bool QtFilterWidget::eventFilter(QObject*, QEvent* event) { + if (event->type() == QEvent::KeyPress || + event->type() == QEvent::KeyRelease || + // InputMethodQuery got introduced in Qt 5. +#if QT_VERSION >= 0x050000 + event->type() == QEvent::InputMethodQuery || +#endif + event->type() == QEvent::InputMethod) { + event->ignore(); + QKeyEvent* keyEvent = dynamic_cast<QKeyEvent*>(event); + if (keyEvent) { + if (keyEvent->key() == Qt::Key_Up || keyEvent->key() == Qt::Key_Down) { + return false; + } else if ((keyEvent->key() == Qt::Key_Left || keyEvent->key() == Qt::Key_Right) && filterLineEdit_->text().isEmpty()) { + return false; + } else if (keyEvent->key() == Qt::Key_Alt && event->type() == QEvent::KeyPress) { + isModifierSinglePressed_ = true; + } else if (keyEvent->key() == Qt::Key_Alt && event->type() == QEvent::KeyRelease && isModifierSinglePressed_) { + QPoint itemOffset(2,2); + QPoint contextMenuPosition = treeView_->visualRect(treeView_->currentIndex()).topLeft() + itemOffset;; + QApplication::postEvent(treeView_, new QContextMenuEvent(QContextMenuEvent::Keyboard, contextMenuPosition, treeView_->mapToGlobal(contextMenuPosition))); + return true; + } else if (keyEvent->key() == Qt::Key_Return) { + filterLineEdit_->setText(""); + return false; + } else if (keyEvent->key() == Qt::Key_Escape) { + filterLineEdit_->setText(""); + } else { + isModifierSinglePressed_ = false; + } + } + + filterLineEdit_->event(event); + filterLineEdit_->setVisible(!filterLineEdit_->text().isEmpty()); + + // update roster filters + if (event->type() == QEvent::KeyRelease) { + if (fuzzyRosterFilter_) { + if (filterLineEdit_->text().isEmpty()) { + // remove currently installed search filter and put old filters back + treeView_->getRoster()->removeFilter(fuzzyRosterFilter_); + delete fuzzyRosterFilter_; + fuzzyRosterFilter_ = NULL; + pushAllFilters(); + } else { + // remove currently intsalled search filter and put new search filter in place + updateSearchFilter(); + } + } else { + if (!filterLineEdit_->text().isEmpty()) { + // remove currently installed filters and put a search filter in place + popAllFilters(); + updateSearchFilter(); + } + } + } + return true; + } + return false; +} + +void QtFilterWidget::popAllFilters() { + std::vector<RosterFilter*> filters = treeView_->getRoster()->getFilters(); + foreach(RosterFilter* filter, filters) { + filters_.push_back(filter); + treeView_->getRoster()->removeFilter(filter); + } +} + +void QtFilterWidget::pushAllFilters() { + foreach(RosterFilter* filter, filters_) { + treeView_->getRoster()->addFilter(filter); + } + filters_.clear(); +} + +void QtFilterWidget::updateSearchFilter() { + if (fuzzyRosterFilter_) { + treeView_->getRoster()->removeFilter(fuzzyRosterFilter_); + delete fuzzyRosterFilter_; + fuzzyRosterFilter_ = NULL; + } + fuzzyRosterFilter_ = new FuzzyRosterFilter(Q2PSTRING(filterLineEdit_->text())); + treeView_->getRoster()->addFilter(fuzzyRosterFilter_); + treeView_->setCurrentIndex(sourceModel_->index(0, 0, sourceModel_->index(0,0))); +} + +} diff --git a/Swift/QtUI/Roster/QtFilterWidget.h b/Swift/QtUI/Roster/QtFilterWidget.h new file mode 100644 index 0000000..e33616b --- /dev/null +++ b/Swift/QtUI/Roster/QtFilterWidget.h @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2013 Tobias Markmann + * Licensed under the simplified BSD license. + * See Documentation/Licenses/BSD-simplified.txt for more information. + */ + +#pragma once + +#include <vector> + +#include <QBoxLayout> +#include <QLineEdit> +#include <QWidget> + +#include <Swift/Controllers/Roster/RosterFilter.h> +#include <Swift/Controllers/Roster/FuzzyRosterFilter.h> + +#include <Swift/QtUI/Roster/QtTreeWidget.h> + +namespace Swift { + +class QtFilterWidget : public QWidget { + Q_OBJECT + public: + QtFilterWidget(QWidget* parent, QtTreeWidget* treeView, QBoxLayout* layout = 0); + virtual ~QtFilterWidget(); + + protected: + bool eventFilter(QObject*, QEvent* event); + + private: + void popAllFilters(); + void pushAllFilters(); + + void updateSearchFilter(); + + private: + QLineEdit* filterLineEdit_; + QtTreeWidget* treeView_; + std::vector<RosterFilter*> filters_; + QAbstractItemModel* sourceModel_; + FuzzyRosterFilter* fuzzyRosterFilter_; + bool isModifierSinglePressed_; +}; + +} |