Engauge Digitizer  2
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TutorialStateSegmentFill.cpp
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1 /******************************************************************************************************
2  * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *
3  * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
4  * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *
5  ******************************************************************************************************/
6 
7 #include "Logger.h"
8 #include <qdebug.h>
9 #include <QGraphicsPixmapItem>
10 #include <QGraphicsScene>
11 #include <QGraphicsView>
12 #include "TutorialButton.h"
13 #include "TutorialDlg.h"
14 #include "TutorialStateContext.h"
16 
18  TutorialStateAbstractBase (context),
19  m_title (nullptr),
20  m_background (nullptr),
21  m_text0 (nullptr),
22  m_text1 (nullptr),
23  m_text2 (nullptr),
24  m_previous (nullptr),
25  m_next (nullptr)
26 {
27  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateSegmentFill::TutorialStateSegmentFill";
28 }
29 
31 {
32  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateSegmentFill::begin ()";
33 
34  context().tutorialDlg().scene().clear ();
35 
36  m_title = createTitle (tr ("Segment Fill"));
37  m_background = createPixmapItem (":/engauge/img/panel_segment_fill.png",
38  QPoint (0, 30));
39  m_text0 = createTextItem (tr ("Segment Fill mode places several\n"
40  "points all along the line segments\n"
41  "of a curve. Step 1 - Click on the\n"
42  "Segment Fill button."),
43  QPoint (300, 40));
44  m_text1 = createTextItem (tr ("Step 2 - Select the curve the new\n"
45  "points will belong to."),
46  QPoint (300, 140));
47  m_text2 = createTextItem (tr ("Step 3 - Move the cursor over a line\n"
48  "segment in the desired curve. If a\n"
49  "green line appears, click on it once\n"
50  "to generate many points."),
51  QPoint (300, 220));
52 
53  QSize backgroundSize = context().tutorialDlg().backgroundSize();
54 
55  m_previous = new TutorialButton (tr ("Previous"),
56  context().tutorialDlg().scene());
57  m_previous->setGeometry (QPoint (buttonMargin (),
58  backgroundSize.height() - buttonMargin() - m_previous->size().height()));
59  connect (m_previous, SIGNAL (signalTriggered ()), this, SLOT (slotPrevious ()));
60 
61  m_next = new TutorialButton (tr ("Next"),
62  context().tutorialDlg().scene());
63  m_next->setGeometry (QPoint (backgroundSize.width () - buttonMargin () - m_next->size ().width (),
64  backgroundSize.height () - buttonMargin () - m_next->size ().height ()));
65  connect (m_next, SIGNAL (signalTriggered ()), this, SLOT (slotNext ()));
66 }
67 
69 {
70  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateSegmentFill::end ()";
71 
72  // It is not safe to remove and deallocate items here since an active TutorialButton
73  // may be on the stack. So we clear the scene as the first step in the next begin()
74 }
75 
77 {
78  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateSegmentFill::slotNext";
79 
81 }
82 
84 {
85  LOG4CPP_INFO_S ((*mainCat)) << "TutorialStateSegmentFill::slotPrevious";
86 
88 }
One state manages one panel of the tutorial.
void setGeometry(const QPoint &pos)
Set the position. This is called after creation so screen extent is available for positioning calcula...
void slotNext()
Slot called when next button is triggered.
Show a button with text for clicking ion. The button is implemented using layering of two graphics it...
#define LOG4CPP_INFO_S(logger)
Definition: convenience.h:18
int buttonMargin() const
Buttons are placed up against bottom side, and left or right side, separated by this margin...
TutorialStateSegmentFill(TutorialStateContext &context)
Single constructor.
QGraphicsScene & scene()
Single scene the covers the entire tutorial dialog.
Definition: TutorialDlg.cpp:76
TutorialStateContext & context()
Context class for the tutorial state machine.
QGraphicsTextItem * createTextItem(const QString &text, const QPoint &pos)
Factory method for text items.
QSize backgroundSize() const
Make geometry available for layout.
Definition: TutorialDlg.cpp:44
QGraphicsTextItem * createTitle(const QString &text)
Factory method for title items.
QGraphicsPixmapItem * createPixmapItem(const QString &resource, const QPoint &pos)
Factory method for pixmap items.
void slotPrevious()
Slot called to return to previous panel.
virtual void end()
Transition out of this state.
log4cpp::Category * mainCat
Definition: Logger.cpp:14
QSize size() const
Size of this button.
Context class for tutorial state machine.
void requestDelayedStateTransition(TutorialState tutorialState)
Request a transition to the specified state from the current state.
virtual void begin()
Transition into this state.
TutorialDlg & tutorialDlg()
Access to tutorial dialogs and its scene.