Differential D5120 Diff 12725 src/wrtembed/KReportRuler_p.h

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src/wrtembed/KReportRuler_p.h

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23	#ifndef KREPORTRULER_P_H	23		#ifndef KREPORTRULER_P_H
24	#define KREPORTRULER_P_H	24		#define KREPORTRULER_P_H
25		25
26	#include "KReportUnit.h"	26		#include "KReportUnit.h"
27	#include <QWidget>	27		#include <QWidget>
28	#include <QTextOption>	28		#include <QTextOption>
29		29
30	class KReportZoomHandler;	30		class KReportZoomHandler;
31	class KReportRulerPrivate;
32
33	class RulerTabChooser : public QWidget
34	{
35	public:
36	RulerTabChooser(QWidget *parent) : QWidget(parent), m_type(QTextOption::LeftTab), m_showTabs(false) {}
37	virtual ~RulerTabChooser() {}
38
39	inline QTextOption::TabType type() {return m_type;}
40	void setShowTabs(bool showTabs) { if (m_showTabs == showTabs) return; m_showTabs = showTabs; update(); }
41	void mousePressEvent(QMouseEvent *);
42
43	void paintEvent(QPaintEvent *);
44
45	private:
46	QTextOption::TabType m_type;
47	bool m_showTabs :1;
48	};
49
50	class PaintingStrategy
51	{
52	public:
53	/// constructor
54	PaintingStrategy() {}
55	/// destructor
56	virtual ~PaintingStrategy() {}
57
58	/**
59	* Draw the background of the ruler.
60	* @param ruler the ruler to draw on.
61	* @param painter the painter we can paint with.
62	*/
63	virtual QRectF drawBackground(const KReportRulerPrivate ruler, QPainter painter) = 0;
64
65	/**
66	* Draw the indicators for text-tabs.
67	* @param ruler the ruler to draw on.
68	* @param painter the painter we can paint with.
69	*/
70	virtual void drawTabs(const KReportRulerPrivate ruler, QPainter painter) = 0;
71
72	/**
73	* Draw the indicators for the measurements which typically are drawn every [unit].
74	* @param ruler the ruler to draw on.
75	* @param painter the painter we can paint with.
76	* @param rectangle
77	*/
78	virtual void drawMeasurements(const KReportRulerPrivate ruler, QPainter painter, const QRectF &rectangle) = 0;
79
80	/**
81	* Draw the indicators for the indents of a text paragraph
82	* @param ruler the ruler to draw on.
83	* @param painter the painter we can paint with.
84	*/
85	virtual void drawIndents(const KReportRulerPrivate ruler, QPainter painter) = 0;
86
87	/**
88	*returns the size suggestion for a ruler with this strategy.
89	*/
90	virtual QSize sizeHint() = 0;
91	};
92
93	class HorizontalPaintingStrategy : public PaintingStrategy
94	{
95	public:
96	HorizontalPaintingStrategy() : lengthInPixel(1) {}
97
98	virtual QRectF drawBackground(const KReportRulerPrivate ruler, QPainter painter);
99	virtual void drawTabs(const KReportRulerPrivate ruler, QPainter painter);
100	virtual void drawMeasurements(const KReportRulerPrivate ruler, QPainter painter, const QRectF &rectangle);
101	virtual void drawIndents(const KReportRulerPrivate ruler, QPainter painter);
102	virtual QSize sizeHint();
103
104	private:
105	qreal lengthInPixel;
106	};
107
108	class VerticalPaintingStrategy : public PaintingStrategy
109	{
110	public:
111	VerticalPaintingStrategy() : lengthInPixel(1) {}
112
113	virtual QRectF drawBackground(const KReportRulerPrivate ruler, QPainter painter);
114	virtual void drawTabs(const KReportRulerPrivate , QPainter ) {}
115	virtual void drawMeasurements(const KReportRulerPrivate ruler, QPainter painter, const QRectF &rectangle);
116	virtual void drawIndents(const KReportRulerPrivate , QPainter ) { }
117	virtual QSize sizeHint();
118
119	private:
120	qreal lengthInPixel;
121	};
122
123	class HorizontalDistancesPaintingStrategy : public HorizontalPaintingStrategy
124	{
125	public:
126	HorizontalDistancesPaintingStrategy() {}
127
128	virtual void drawMeasurements(const KReportRulerPrivate ruler, QPainter painter, const QRectF &rectangle);
129
130	private:
131	void drawDistanceLine(const KReportRulerPrivate d, QPainter painter, qreal start, qreal end);
132	};
133		31
134	/**	32		/**
135	* Decorator widget to draw a single ruler around a canvas.	33		* Decorator widget to draw a single ruler around a canvas.
136	*/	34		*/
137	class KReportRuler : public QWidget	35		class KReportRuler : public QWidget
138	{	36		{
139	Q_OBJECT	37		Q_OBJECT
140	public:	38		public:
141	/**	39		/**
142	* Creates a ruler with the orientation @p orientation	40		* Creates a ruler with the orientation @p orientation
143	* @param parent parent widget	41		* @param parent parent widget
144	* @param orientation the orientation of the ruler	42		* @param orientation the orientation of the ruler
145	* @param viewConverter the view converter used to convert from point to pixel	43		* @param viewConverter the view converter used to convert from point to pixel
146	*/	44		*/
147	KReportRuler(QWidget* parent, Qt::Orientation orientation, const KReportZoomHandler* viewConverter);	45		KReportRuler(QWidget* parent, Qt::Orientation orientation,
		46		const KReportZoomHandler &zoomHandler);
148	~KReportRuler();	47		~KReportRuler();
149		48
150	/// For paragraphs each tab definition is represented by this struct.	49		/// For paragraphs each tab definition is represented by this struct.
151	struct Tab {	50		struct Tab {
152	inline Tab(qreal aPosition, QTextOption::TabType aType) : position(aPosition), type(aType) {}	51		inline Tab(qreal aPosition, QTextOption::TabType aType) : position(aPosition), type(aType) {}
153	inline Tab() : position(0.0), type(QTextOption::LeftTab) {}	52		inline Tab() : position(0.0), type(QTextOption::LeftTab) {}
154	qreal position; ///< distance in point from the start of the text-shape	53		qreal position; ///< distance in point from the start of the text-shape
155	QTextOption::TabType type; ///< Determine which type is used.	54		QTextOption::TabType type; ///< Determine which type is used.
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190	QList<QAction*> popupActionList() const;	89		QList<QAction*> popupActionList() const;
191		90
192	/// reimplemented	91		/// reimplemented
193	virtual QSize minimumSizeHint() const;	92		virtual QSize minimumSizeHint() const;
194		93
195	/// reimplemented	94		/// reimplemented
196	virtual QSize sizeHint() const;	95		virtual QSize sizeHint() const;
197		96
		97		class Private;
		98
198	public Q_SLOTS:	99		public Q_SLOTS:
199	/// Set the unit of the ruler	100		/// Set the unit of the ruler
200	void setUnit(const KReportUnit &unit);	101		void setUnit(const KReportUnit &unit);
201		102
202	/** Set the offset. Use this function to sync the ruler with	103		/** Set the offset. Use this function to sync the ruler with
203	* the canvas' position on screen	104		* the canvas' position on screen
204	* @param offset The offset in pixels	105		* @param offset The offset in pixels
205	*/	106		*/
▲ Show 20 Lines • Show All 146 Lines • ▼ Show 20 Line(s)		250	protected:
352	/// reimplemented	253		/// reimplemented
353	virtual void mousePressEvent(QMouseEvent *ev);	254		virtual void mousePressEvent(QMouseEvent *ev);
354	/// reimplemented	255		/// reimplemented
355	virtual void mouseReleaseEvent(QMouseEvent *ev);	256		virtual void mouseReleaseEvent(QMouseEvent *ev);
356	/// reimplemented	257		/// reimplemented
357	virtual void mouseMoveEvent(QMouseEvent *ev);	258		virtual void mouseMoveEvent(QMouseEvent *ev);
358		259
359	private:	260		private:
360	KReportRulerPrivate * const d;	261		Private * const d;
361	friend class KReportRulerPrivate;	262		friend class KReportRuler::Private;
362	};
363
364
365	class KReportRulerPrivate
366	{
367	public:
368	KReportRulerPrivate(KReportRuler parent, const KReportZoomHandler vc, Qt::Orientation orientation);
369	~KReportRulerPrivate();
370
371	void emitTabChanged();
372
373	KReportUnit unit;
374	const Qt::Orientation orientation;
375	const KReportZoomHandler * const viewConverter;
376
377	int offset;
378	qreal rulerLength;
379	qreal activeRangeStart;
380	qreal activeRangeEnd;
381	qreal activeOverrideRangeStart;
382	qreal activeOverrideRangeEnd;
383
384	int mouseCoordinate;
385	int showMousePosition;
386
387	bool showSelectionBorders;
388	qreal firstSelectionBorder;
389	qreal secondSelectionBorder;
390
391	bool showIndents;
392	qreal firstLineIndent;
393	qreal paragraphIndent;
394	qreal endIndent;
395
396	bool showTabs;
397	bool relativeTabs;
398	bool tabMoved; // set to true on first move of a selected tab
399	QList<KReportRuler::Tab> tabs;
400	int originalIndex; //index of selected tab before we started dragging it.
401	int currentIndex; //index of selected tab or selected HotSpot - only valid when selected indicates tab or hotspot
402	KReportRuler::Tab deletedTab;
403	qreal tabDistance;
404
405	struct HotSpotData {
406	qreal position;
407	int id;
408	};
409	QList<HotSpotData> hotspots;
410
411	bool rightToLeft;
412	enum Selection {
413	None,
414	Tab,
415	FirstLineIndent,
416	ParagraphIndent,
417	EndIndent,
418	HotSpot
419	};
420	Selection selected;
421	int selectOffset;
422
423	QList<QAction*> popupActions;
424
425	RulerTabChooser *tabChooser;
426
427	// Cached painting strategies
428	PaintingStrategy * normalPaintingStrategy;
429	PaintingStrategy * distancesPaintingStrategy;
430
431	// Current painting strategy
432	PaintingStrategy * paintingStrategy;
433
434	KReportRuler *ruler;
435
436	qreal numberStepForUnit() const;
437	/// @return The rounding of value to the nearest multiple of stepValue
438	qreal doSnapping(qreal value) const;
439	Selection selectionAtPosition(const QPoint & pos, int *selectOffset = 0);
440	int hotSpotIndex(const QPoint & pos);
441	qreal effectiveActiveRangeStart() const;
442	qreal effectiveActiveRangeEnd() const;
443
444	friend class VerticalPaintingStrategy;
445	friend class HorizontalPaintingStrategy;
446	};	263		};
447		264
448	#endif	265		#endif