blob: c78071da13cdde4530a940cc2cfc30895dc19533 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* $Id$ */
/** @file
* VBox Qt GUI - UIChooserHandlerMouse class implementation.
*/
/*
* Copyright (C) 2012-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/* Qt includes: */
#include <QGraphicsSceneMouseEvent>
/* GUI incluedes: */
#include "UIChooserHandlerMouse.h"
#include "UIChooserModel.h"
#include "UIChooserItemGroup.h"
#include "UIChooserItemGlobal.h"
#include "UIChooserItemMachine.h"
UIChooserHandlerMouse::UIChooserHandlerMouse(UIChooserModel *pParent)
: QObject(pParent)
, m_pModel(pParent)
{
}
bool UIChooserHandlerMouse::handle(QGraphicsSceneMouseEvent *pEvent, UIMouseEventType type) const
{
/* Process passed event: */
switch (type)
{
case UIMouseEventType_Press: return handleMousePress(pEvent);
case UIMouseEventType_Release: return handleMouseRelease(pEvent);
case UIMouseEventType_DoubleClick: return handleMouseDoubleClick(pEvent);
}
/* Pass event if unknown: */
return false;
}
UIChooserModel* UIChooserHandlerMouse::model() const
{
return m_pModel;
}
bool UIChooserHandlerMouse::handleMousePress(QGraphicsSceneMouseEvent *pEvent) const
{
/* Get item under mouse cursor: */
QPointF scenePos = pEvent->scenePos();
if (QGraphicsItem *pItemUnderMouse = model()->itemAt(scenePos))
{
/* Which button it was? */
switch (pEvent->button())
{
/* Left one? */
case Qt::LeftButton:
{
/* Which item we just clicked? */
UIChooserItem *pClickedItem = 0;
/* Was that a group item? */
if (UIChooserItemGroup *pGroupItem = qgraphicsitem_cast<UIChooserItemGroup*>(pItemUnderMouse))
pClickedItem = pGroupItem;
/* Or a global one? */
else if (UIChooserItemGlobal *pGlobalItem = qgraphicsitem_cast<UIChooserItemGlobal*>(pItemUnderMouse))
{
const QPoint itemCursorPos = pGlobalItem->mapFromScene(scenePos).toPoint();
if ( pGlobalItem->isToolButtonArea(itemCursorPos)
&& ( model()->firstSelectedItem() == pGlobalItem
|| pGlobalItem->isHovered()))
{
model()->handleToolButtonClick(pGlobalItem);
if (model()->firstSelectedItem() != pGlobalItem)
pClickedItem = pGlobalItem;
}
else
if ( pGlobalItem->isPinButtonArea(itemCursorPos)
&& ( model()->firstSelectedItem() == pGlobalItem
|| pGlobalItem->isHovered()))
model()->handlePinButtonClick(pGlobalItem);
else
pClickedItem = pGlobalItem;
}
/* Or a machine one? */
else if (UIChooserItemMachine *pMachineItem = qgraphicsitem_cast<UIChooserItemMachine*>(pItemUnderMouse))
{
const QPoint itemCursorPos = pMachineItem->mapFromScene(scenePos).toPoint();
if ( pMachineItem->isToolButtonArea(itemCursorPos)
&& ( model()->firstSelectedItem() == pMachineItem
|| pMachineItem->isHovered()))
{
model()->handleToolButtonClick(pMachineItem);
if (model()->firstSelectedItem() != pMachineItem)
pClickedItem = pMachineItem;
}
else
pClickedItem = pMachineItem;
}
/* If we had clicked one of required item types: */
if (pClickedItem && !pClickedItem->isRoot())
{
/* Was 'shift' modifier pressed? */
if (pEvent->modifiers() == Qt::ShiftModifier)
{
/* Calculate positions: */
UIChooserItem *pFirstItem = model()->firstSelectedItem();
int iFirstPosition = model()->navigationItems().indexOf(pFirstItem);
int iClickedPosition = model()->navigationItems().indexOf(pClickedItem);
/* Populate list of items from 'first' to 'clicked': */
QList<UIChooserItem*> items;
if (iFirstPosition <= iClickedPosition)
for (int i = iFirstPosition; i <= iClickedPosition; ++i)
items << model()->navigationItems().at(i);
else
for (int i = iFirstPosition; i >= iClickedPosition; --i)
items << model()->navigationItems().at(i);
/* Make that list selected: */
model()->setSelectedItems(items);
/* Make clicked item current one: */
model()->setCurrentItem(pClickedItem);
}
/* Was 'control' modifier pressed? */
else if (pEvent->modifiers() == Qt::ControlModifier)
{
/* Invert selection state for clicked item: */
if (model()->selectedItems().contains(pClickedItem))
model()->removeFromSelectedItems(pClickedItem);
else
model()->addToSelectedItems(pClickedItem);
/* Make clicked item current one: */
model()->setCurrentItem(pClickedItem);
model()->makeSureSomeItemIsSelected();
}
/* Was no modifiers pressed? */
else if (pEvent->modifiers() == Qt::NoModifier)
{
/* Make clicked item the only selected one: */
model()->setSelectedItem(pClickedItem);
}
}
break;
}
/* Right one? */
case Qt::RightButton:
{
/* Which item we just clicked? */
UIChooserItem *pClickedItem = 0;
/* Was that a group item? */
if (UIChooserItemGroup *pGroupItem = qgraphicsitem_cast<UIChooserItemGroup*>(pItemUnderMouse))
pClickedItem = pGroupItem;
/* Or a global one? */
else if (UIChooserItemGlobal *pGlobalItem = qgraphicsitem_cast<UIChooserItemGlobal*>(pItemUnderMouse))
pClickedItem = pGlobalItem;
/* Or a machine one? */
else if (UIChooserItemMachine *pMachineItem = qgraphicsitem_cast<UIChooserItemMachine*>(pItemUnderMouse))
pClickedItem = pMachineItem;
/* If we had clicked one of required item types: */
if (pClickedItem && !pClickedItem->isRoot())
{
/* Select clicked item if not selected yet: */
if (!model()->selectedItems().contains(pClickedItem))
model()->setSelectedItem(pClickedItem);
}
break;
}
default:
break;
}
}
/* Pass all other events: */
return false;
}
bool UIChooserHandlerMouse::handleMouseRelease(QGraphicsSceneMouseEvent*) const
{
/* Pass all events: */
return false;
}
bool UIChooserHandlerMouse::handleMouseDoubleClick(QGraphicsSceneMouseEvent *pEvent) const
{
/* Get item under mouse cursor: */
QPointF scenePos = pEvent->scenePos();
if (QGraphicsItem *pItemUnderMouse = model()->itemAt(scenePos))
{
/* Which button it was? */
switch (pEvent->button())
{
/* Left one? */
case Qt::LeftButton:
{
/* Was that a group item? */
if (UIChooserItemGroup *pGroupItem = qgraphicsitem_cast<UIChooserItemGroup*>(pItemUnderMouse))
{
/* If it was not root: */
if (!pGroupItem->isRoot())
{
/* Toggle it: */
if (pGroupItem->isClosed())
pGroupItem->open();
else if (pGroupItem->isOpened())
pGroupItem->close();
}
/* Filter that event out: */
return true;
}
/* Or a machine one? */
else if (pItemUnderMouse->type() == UIChooserItemType_Machine)
{
/* Activate machine-item: */
model()->activateMachineItem();
}
break;
}
default:
break;
}
}
/* Pass all other events: */
return false;
}
|
