Differential D12202 Diff 32134 src/kitemviews/kitemlistcontainer.cpp

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src/kitemviews/kitemlistcontainer.cpp

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25#include "kitemlistcontroller.h" 25​#include "kitemlistcontroller.h"
26#include "kitemlistview.h" 26​#include "kitemlistview.h"
27#include "private/kitemlistsmoothscroller.h" 27​#include "private/kitemlistsmoothscroller.h"
28 28​
29#include <QApplication> 29​#include <QApplication>
30#include <QGraphicsScene> 30​#include <QGraphicsScene>
31#include <QGraphicsView> 31​#include <QGraphicsView>
32#include <QScrollBar> 32​#include <QScrollBar>
33​#include <QScroller>
33#include <QStyleOption> 34​#include <QStyleOption>
34 35​
35/** 36​/**
36 * Replaces the default viewport of KItemListContainer by a 37​ * Replaces the default viewport of KItemListContainer by a
37 * non-scrollable viewport. The scrolling is done in an optimized 38​ * non-scrollable viewport. The scrolling is done in an optimized
38 * way by KItemListView internally. 39​ * way by KItemListView internally.
39 */ 40​ */
40class KItemListContainerViewport : public QGraphicsView 41​class KItemListContainerViewport : public QGraphicsView
▲ Show 20 Lines • Show All 43 Lines • ▼ Show 20 Line(s)72{
84 if (controller->view()) { 85​ if (controller->view()) {
85 slotViewChanged(controller->view(), nullptr); 86​ slotViewChanged(controller->view(), nullptr);
86 } 87​ }
87 88​
88 connect(controller, &KItemListController::modelChanged, 89​ connect(controller, &KItemListController::modelChanged,
89 this, &KItemListContainer::slotModelChanged); 90​ this, &KItemListContainer::slotModelChanged);
90 connect(controller, &KItemListController::viewChanged, 91​ connect(controller, &KItemListController::viewChanged,
91 this, &KItemListContainer::slotViewChanged); 92​ this, &KItemListContainer::slotViewChanged);
93​ connect(controller, &KItemListController::setTouchScroll,
94​ this, &KItemListContainer::slotSetTouchScroll);
95​
96​ slotSetTouchScroll(true);
92} 97​}
93 98​
94KItemListContainer::~KItemListContainer() 99​KItemListContainer::~KItemListContainer()
95{ 100​{
96 // Don't rely on the QObject-order to delete the controller, otherwise 101​ // Don't rely on the QObject-order to delete the controller, otherwise
97 // the QGraphicsScene might get deleted before the view. 102​ // the QGraphicsScene might get deleted before the view.
98 delete m_controller; 103​ delete m_controller;
99 m_controller = nullptr; 104​ m_controller = nullptr;
▲ Show 20 Lines • Show All 129 Lines • ▼ Show 20 Line(s)233 connect(current, &KItemListView::maximumItemOffsetChanged,
229 this, &KItemListContainer::updateItemOffsetScrollBar); 234​ this, &KItemListContainer::updateItemOffsetScrollBar);
230 connect(current, &KItemListView::scrollTo, this, &KItemListContainer::scrollTo); 235​ connect(current, &KItemListView::scrollTo, this, &KItemListContainer::scrollTo);
231 m_horizontalSmoothScroller->setTargetObject(current); 236​ m_horizontalSmoothScroller->setTargetObject(current);
232 m_verticalSmoothScroller->setTargetObject(current); 237​ m_verticalSmoothScroller->setTargetObject(current);
233 updateSmoothScrollers(current->scrollOrientation()); 238​ updateSmoothScrollers(current->scrollOrientation());
234 } 239​ }
235} 240​}
236 241​
242​void KItemListContainer::slotSetTouchScroll(bool enabled) {
243​ if (enabled) {
244​ QScroller::grabGesture(this, QScroller::TouchGesture);
245​ } else {
246​ QScroller::ungrabGesture(this);
247​ }
248​}
249​
237void KItemListContainer::scrollTo(qreal offset) 250​void KItemListContainer::scrollTo(qreal offset)
238{ 251​{
239 const KItemListView* view = m_controller->view(); 252​ const KItemListView* view = m_controller->view();
240 if (view) { 253​ if (view) {
241 if (view->scrollOrientation() == Qt::Vertical) { 254​ if (view->scrollOrientation() == Qt::Vertical) {
242 m_verticalSmoothScroller->scrollTo(offset); 255​ m_verticalSmoothScroller->scrollTo(offset);
243 } else { 256​ } else {
244 m_horizontalSmoothScroller->scrollTo(offset); 257​ m_horizontalSmoothScroller->scrollTo(offset);
▲ Show 20 Lines • Show All 162 Lines • Show Last 20 Lines