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
|
/*
* Kivio - Visual Modelling and Flowcharting
* Copyright (C) 2000-2001 theKompany.com & Dave Marotti
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __kivio_canvas_h__
#define __kivio_canvas_h__
#include <tqpainter.h>
#include <tqbitmap.h>
#include <tqlineedit.h>
#include <tqwidget.h>
#include <tqpoint.h>
#include <tqrect.h>
#include <tqstring.h>
#include <tqptrlist.h>
#include <KoQueryTrader.h>
#include <KoPoint.h>
#include <KoRect.h>
#include <KoGuides.h>
#include <koffice_export.h>
#include "kivio_intra_stencil_data.h"
class KivioView;
class KivioCanvas;
class KivioPage;
class KivioDoc;
class KivioRuler;
class KivioGuideLineData;
class KivioScreenPainter;
class KivioStencil;
class TQPainter;
class TQLabel;
class TQPixmap;
class TQScrollBar;
class TQTimer;
class KoSize;
class KoRect;
#define YBORDER_WIDTH 50
#define XBORDER_HEIGHT 20
class KIVIO_EXPORT KivioCanvas : public TQWidget
{
Q_OBJECT
friend class KivioView;
public:
KivioCanvas( TQWidget*, KivioView*, KivioDoc*, TQScrollBar*, TQScrollBar* );
~KivioCanvas();
int xOffset() const { return m_iXOffset; }
int yOffset() const { return m_iYOffset; }
const KivioPage* activePage() const;
KivioPage* activePage();
KivioPage* findPage( const TQString& _name );
KivioView* view()const { return m_pView; }
KivioDoc* doc()const { return m_pDoc; }
TQSize actualSize() const;
virtual bool event(TQEvent*);
enum RectType { Insert, Rubber };
void startRectDraw( const TQPoint &p, RectType t );
void continueRectDraw( const TQPoint &p, RectType t );
void endRectDraw();
TQRect rect()const { return currRect; }
void startSpawnerDragDraw( const TQPoint &p );
void continueSpawnerDragDraw( const TQPoint &p );
void endSpawnerDragDraw();
void drawSelectedStencilsXOR();
void drawStencilXOR( KivioStencil * );
KoPoint snapToGrid(const KoPoint&);
KoPoint snapToGuides(const KoPoint&, bool &, bool &);
KoPoint snapToGridAndGuides(const KoPoint&);
KoPoint mapFromScreen(const TQPoint&);
TQPoint mapToScreen(const KoPoint&);
void beginUnclippedSpawnerPainter();
void endUnclippedSpawnerPainter();
void setViewCenterPoint(const KoPoint &);
KoRect visibleArea();
void setVisibleArea(KoRect, int margin = 0);
void setVisibleAreaByWidth(KoRect, int margin = 0);
void setVisibleAreaByHeight(KoRect, int margin = 0);
KoGuides& guideLines() { return m_guides; }
int pageOffsetX() const { return m_pageOffsetX; }
int pageOffsetY() const { return m_pageOffsetY; }
void setShowConnectorTargets(bool state) { m_showConnectorTargets = state; }
bool showConnectorTargets() const { return m_showConnectorTargets; }
signals:
void visibleAreaChanged();
public slots:
virtual void setUpdatesEnabled(bool);
void zoomIn(const TQPoint&);
void zoomOut(const TQPoint&);
void scrollDx(int dx);
void scrollDy(int dy);
void scrollV(int value);
void scrollH(int value);
void updateScrollBars();
void startPasteMoving();
void updateAutoGuideLines();
protected:
virtual void mousePressEvent( TQMouseEvent* );
virtual void mouseReleaseEvent( TQMouseEvent* );
virtual void mouseMoveEvent( TQMouseEvent* );
virtual void enterEvent( TQEvent* );
virtual void leaveEvent( TQEvent* );
virtual void resizeEvent( TQResizeEvent* );
virtual void paintEvent( TQPaintEvent* );
virtual void wheelEvent( TQWheelEvent* );
virtual void dragEnterEvent( TQDragEnterEvent * );
virtual void dragMoveEvent( TQDragMoveEvent * );
virtual void dragLeaveEvent( TQDragLeaveEvent * );
virtual void dropEvent( TQDropEvent * );
virtual void keyPressEvent( TQKeyEvent * );
void beginUnclippedPainter();
void endUnclippedPainter();
void paintSelectedXOR();
void continuePasteMoving(const TQPoint &pos);
void endPasteMoving();
protected slots:
void borderTimerTimeout();
private:
KivioView* m_pView;
KivioDoc* m_pDoc;
TQScrollBar* m_pVertScrollBar;
TQScrollBar* m_pHorzScrollBar;
int m_iXOffset;
int m_iYOffset;
TQPixmap* m_buffer;
int m_pScrollX;
int m_pScrollY;
TQPointArray gridLines;
bool oldRectValid;
TQRect currRect;
TQPoint rectAnchor;
TQPainter* unclippedPainter;
TQPoint sizePreviewPos;
KivioScreenPainter* unclippedSpawnerPainter;
KivioIntraStencilData m_dragStencilData;
KivioStencil* m_pDragStencil;
TQTimer* m_borderTimer;
bool delegateThisEvent;
TQPoint lastPoint;
bool m_pasteMoving;
TQPtrList<KoRect> m_lstOldGeometry;
KoPoint m_origPoint;
KoGuides m_guides;
int m_pageOffsetX;
int m_pageOffsetY;
bool m_showConnectorTargets;
};
#endif
|