Developer Documentation

StackWidget.cc
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41
42
43
44
45
46 //=============================================================================
47 //
48 // CLASS CoreWidget - IMPLEMENTATION
49 //
50 //=============================================================================
51
52
53 //== INCLUDES =================================================================
54
55 // -------------------- mview
56 #include "CoreWidget.hh"
57
58 //== IMPLEMENTATION ==========================================================
59
60 StackWidgetInfo::StackWidgetInfo(bool _editable,QString _name,QWidget* _widget) :
61 editable(_editable),
62 name(_name),
63 widget(_widget)
64 {
65 }
66
67 void CoreWidget::slotGetStackWidget( QString _name, QWidget*& _widget) {
68
69 for ( uint i = 0 ; i < stackWidgetList_.size(); ++i) {
70 if ( stackWidgetList_[i].name == _name ) {
71 _widget = stackWidgetList_[i].widget;
72 return;
73 }
74 }
75
76 _widget = 0;
77 }
78
79 void CoreWidget::slotAddStackWidget( QString _name, QWidget* _widget ) {
80 QWidget* widget;
81
82 slotGetStackWidget( _name, widget );
83
84 if ( widget ) {
85 emit log(LOGERR,tr("Name already existing"));
86 return;
87 }
88
89 stackedWidget_->addWidget(_widget);
90 stackWidgetList_.push_back( StackWidgetInfo( true, _name , _widget ) );
91
92 slotUpdateStackMenu();
93 }
94
95
96 void CoreWidget::slotUpdateStackWidget( QString _name, QWidget* _widget ) {
97
98 QWidget* oldWidget = 0;
99 uint index = 0;
100 for ( uint i = 0 ; i < stackWidgetList_.size(); ++i) {
101 if ( stackWidgetList_[i].name == _name ) {
102 oldWidget = stackWidgetList_[i].widget;
103 index = i;
104 break;
105 }
106 }
107
108 if ( oldWidget == 0 ) {
109 emit log(LOGERR,tr("Did not find widget to update stackwidget"));
110 return;
111 }
112
113 stackedWidget_->removeWidget( oldWidget );
114 stackWidgetList_.erase( stackWidgetList_.begin() + index );
115
116 stackedWidget_->addWidget(_widget);
117 stackWidgetList_.push_back( StackWidgetInfo( true, _name , _widget ) );
118
119 slotUpdateStackMenu();
120 }
121
122 void CoreWidget::slotViewMenuAction( QAction * _action) {
123
124 // Get the object Name from the action
125 QString objectName = _action->text();
126
127 QWidget* widget = 0;
128 for ( uint i = 0 ; i < stackWidgetList_.size(); ++i) {
129 if ( stackWidgetList_[i].name == objectName ) {
130 widget = stackWidgetList_[i].widget;
131 break;
132 }
133 }
134
135 if ( widget == 0 ) {
136 emit log(LOGERR,tr("Cannot set Widget"));
137 return;
138 }
139
140 stackedWidget_->setCurrentWidget ( widget );
141 }
142
143 void CoreWidget::slotUpdateStackMenu() {
144 // Only create menu if there are more then two widgets
145 if ( stackWidgetList_.size() > 1 ) {
146
147 if ( stackMenu_ == 0 ) {
148 stackMenu_ = new QMenu(tr("Views"));
149 menuBar()->addMenu(stackMenu_ );
150 }
151
152
153 if ( ! stackMenu_->isEmpty() )
154 stackMenu_->clear();
155
156 // Create an action group for every view
157 QActionGroup* actionGroup = new QActionGroup( stackMenu_ );
158 actionGroup->setExclusive( true );
159
160 for ( uint i = 0 ; i < stackWidgetList_.size() ; ++i ) {
161 QAction* newAction = new QAction(stackWidgetList_[i].name, actionGroup);
162 newAction->setText(stackWidgetList_[i].name);
163 }
164
165 stackMenu_->addActions(actionGroup->actions());
166
167 // Connect this actiongoup to a slot
168 connect( actionGroup, SIGNAL( triggered( QAction * ) ), this, SLOT( slotViewMenuAction( QAction * ) ) );
169
170 stackMenu_->show();
171 } else {
172 // Only One widget left, so delete the switching menu
173 if ( stackMenu_ != 0 ) {
174
175 // remove menu from menuBar
176 menuBar()->removeAction( stackMenu_->menuAction() );
177 delete stackMenu_;
178
179 stackMenu_ = 0;
180 }
181 }
182 }
183
184
185 //=============================================================================
StackWidgetInfo
Definition: CoreWidget.hh:146
CoreWidget::slotViewMenuAction
void slotViewMenuAction(QAction *_action)
QMenu containing the recently opened files.
Definition: StackWidget.cc:122
LOGERR
Definition: LoggingInterface.hh:96
CoreWidget.hh
SideElement::name
const QString & name()
return the name
Definition: SideElement.cc:298
CoreWidget::slotUpdateStackMenu
void slotUpdateStackMenu()
QMenu containing the recently opened files.
Definition: StackWidget.cc:143
SideElement::widget
QWidget const * widget()
returns the pointer to the plugin tool widget
Definition: SideElement.cc:310
CoreWidget::slotUpdateStackWidget
void slotUpdateStackWidget(QString _name, QWidget *_widget)
QMenu containing the recently opened files.
Definition: StackWidget.cc:96
CoreWidget::slotAddStackWidget
void slotAddStackWidget(QString _name, QWidget *_widget)
QMenu containing the recently opened files.
Definition: StackWidget.cc:79
CoreWidget::slotGetStackWidget
void slotGetStackWidget(QString _name, QWidget *&_widget)
QMenu containing the recently opened files.
Definition: StackWidget.cc:67