#include "PanelStack.h"
+#include "GuiApplication.h"
#include "qt_helpers.h"
#include "support/debug.h"
+#include "support/foreach.h"
+#include "support/lassert.h"
+#include <QAbstractButton>
+#include <QApplication>
+#include <QColorGroup>
+#include <QComboBox>
#include <QFontMetrics>
+#include <QGroupBox>
+#include <QHideEvent>
+#include <QHash>
#include <QHBoxLayout>
#include <QHeaderView>
+#include <QLabel>
+#include <QLineEdit>
+#include <QListWidget>
+#include <QPalette>
+#include <QPushButton>
#include <QStackedWidget>
+#include <QTimer>
#include <QTreeWidget>
-
-#include "support/lassert.h"
+#include <QVBoxLayout>
using namespace std;
PanelStack::PanelStack(QWidget * parent)
: QWidget(parent)
{
+ delay_search_ = new QTimer(this);
list_ = new QTreeWidget(this);
stack_ = new QStackedWidget(this);
+ search_ = new FancyLineEdit(this);
+
+ // Configure the timer
+ delay_search_->setSingleShot(true);
+ connect(delay_search_, SIGNAL(timeout()), this, SLOT(search()));
+ // Configure tree
list_->setRootIsDecorated(false);
list_->setColumnCount(1);
list_->header()->hide();
connect(list_, SIGNAL(itemClicked (QTreeWidgetItem*, int)),
this, SLOT(itemSelected(QTreeWidgetItem *, int)));
- QHBoxLayout * layout = new QHBoxLayout(this);
- layout->addWidget(list_, 0);
- layout->addWidget(stack_, 1);
+ // Configure the search box
+#if QT_VERSION >= 0x040700
+ search_->setPlaceholderText(qt_("Search"));
+#endif
+
+ search_->setButtonPixmap(FancyLineEdit::Right, getPixmap("images/", "editclear", "png"));
+ search_->setButtonVisible(FancyLineEdit::Right, true);
+ search_->setButtonToolTip(FancyLineEdit::Right, qt_("Clear text"));
+ search_->setAutoHideButton(FancyLineEdit::Right, true);
+ connect(search_, SIGNAL(rightButtonClicked()), this, SLOT(resetSearch()));
+ connect(search_, SIGNAL(textEdited(QString)), this, SLOT(filterChanged(QString)));
+
+ // Create the output layout, horizontal plus a VBox on the left with the search
+ // box and the tree
+ QVBoxLayout * left_layout = new QVBoxLayout();
+ left_layout->addWidget(search_, 0);
+ left_layout->addWidget(list_, 1);
+
+ QHBoxLayout * main_layout = new QHBoxLayout(this);
+ main_layout->addLayout(left_layout, 0);
+ main_layout->addWidget(stack_, 1);
}
QTreeWidgetItem * previous)
{
// do nothing when clicked on whitespace (item=NULL)
- if( !item )
+ if (!item)
return;
// if we have a category, expand the tree and go to the
- // first item
+ // first enabled item
if (item->childCount() > 0) {
item->setExpanded(true);
- if (previous && previous->parent() != item)
- switchPanel( item->child(0), previous );
+ if (previous && previous->parent() != item) {
+ // Looks for a child not disabled
+ for (int i = 0; i < item->childCount(); ++i) {
+ if (item->child(i)->flags() & Qt::ItemIsEnabled) {
+ switchPanel(item->child(i), previous);
+ break;
+ }
+ }
+ }
}
else if (QWidget * w = widget_map_.value(item, 0)) {
stack_->setCurrentWidget(w);
}
}
+static bool matches(QString const & input, QString const & search)
+{
+ QString text = input;
+
+ // Check if the input contains the search string
+ return text.remove('&').contains(search, Qt::CaseInsensitive);
+}
+
+static void setTreeItemStatus(QTreeWidgetItem * tree_item, bool enabled)
+{
+ // Enable/disable the item
+ tree_item->setDisabled(!enabled);
+
+ // Change the color from black to gray or viceversa
+ QPalette::ColorGroup new_color = enabled ? QPalette::Active : QPalette::Disabled;
+ tree_item->setTextColor(0, QApplication::palette().color(new_color, QPalette::Text));
+}
+
+void PanelStack::hideEvent(QHideEvent * event)
+{
+ QWidget::hideEvent(event);
+
+ // Programatically hidden (not simply minimized by the user)
+ if (!event->spontaneous()) {
+ resetSearch();
+ }
+}
+
+void PanelStack::resetSearch()
+{
+ search_->setText(QString());
+ search();
+}
+
+void PanelStack::filterChanged(QString const & /*search*/)
+{
+ // The text in the search box is changed, reset the timer
+ // and then search in the widgets
+ delay_search_->start(300);
+}
+
+void PanelStack::search()
+{
+ QString search = search_->text();
+ bool enable_all = search.isEmpty();
+
+ // If the search string is empty we enable all the items
+ // otherwise we disable everything and then selectively
+ // re-enable matching items
+ foreach (QTreeWidgetItem * tree_item, panel_map_) {
+ setTreeItemStatus(tree_item, enable_all);
+ }
+
+ foreach (QTreeWidgetItem * tree_item, panel_map_) {
+ // Current widget
+ QWidget * pane_widget = widget_map_[tree_item];
+
+ // First of all we look in the pane name
+ bool pane_matches = tree_item->text(0).contains(search, Qt::CaseInsensitive);
+
+ // If the tree item has an associated pane
+ if (pane_widget) {
+ // Loops on the list of children widgets (recursive)
+ QWidgetList children = pane_widget->findChildren<QWidget *>();
+ foreach (QWidget * child_widget, children) {
+ bool widget_matches = false;
+
+ // Try to cast to the most common widgets and looks in it's content
+ // It's bad OOP, it would be nice to have a QWidget::toString() overloaded by
+ // each widget, but this would require to change Qt or subclass each widget.
+ // Note that we have to ignore the amperstand symbol
+ if (QAbstractButton * button = qobject_cast<QAbstractButton *>(child_widget)) {
+ widget_matches = matches(button->text(), search);
+
+ } else if (QGroupBox * group_box = qobject_cast<QGroupBox *>(child_widget)) {
+ widget_matches = matches(group_box->title(), search);
+
+ } else if (QLabel * label = qobject_cast<QLabel *>(child_widget)) {
+ widget_matches = matches(label->text(), search);
+
+ } else if (QLineEdit * line_edit = qobject_cast<QLineEdit *>(child_widget)) {
+ widget_matches = matches(line_edit->text(), search);
+
+ } else if (QListWidget * list_widget = qobject_cast<QListWidget *>(child_widget)) {
+ widget_matches = (list_widget->findItems(search, Qt::MatchContains)).count() > 0;
+
+ } else if (QTreeWidget * tree_view = qobject_cast<QTreeWidget *>(child_widget)) {
+ widget_matches = (tree_view->findItems(search, Qt::MatchContains)).count() > 0;
+
+ } else if (QComboBox * combo_box = qobject_cast<QComboBox *>(child_widget)) {
+ widget_matches = (combo_box->findText(search, Qt::MatchContains)) != -1;
+
+ } else {
+ continue;
+ }
+
+ // If this widget meets the search criteria
+ if (widget_matches && !enable_all) {
+ // The pane too meets the search criteria
+ pane_matches = true;
+
+ // Highlight the widget
+ QPalette widget_palette = child_widget->palette();
+ widget_palette.setColor(child_widget->foregroundRole(), Qt::red);
+ child_widget->setPalette(widget_palette);
+ } else {
+ // Reset the color of the widget
+ child_widget->setPalette(QApplication::palette(child_widget));
+ }
+ }
+
+ // If the pane meets the search criteria
+ if (pane_matches && !enable_all) {
+ // Expand and enable the pane and his ancestors (typically just the parent)
+ QTreeWidgetItem * item = tree_item;
+ do {
+ item->setExpanded(true);
+ setTreeItemStatus(item, true);
+ item = item->parent();
+ } while (item);
+ }
+ }
+
+ }
+}
void PanelStack::itemSelected(QTreeWidgetItem * item, int)
{
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