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fix for wxComboBox::GetSelection from inside event handler
[wxWidgets.git] / src / os2 / pen.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: pen.cpp
3// Purpose: wxPen
cdf1e714 4// Author: David Webster
0e320a79 5// Modified by:
cdf1e714 6// Created: 10/10/99
0e320a79 7// RCS-ID: $Id$
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8// Copyright: (c) David Webster
9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
0e320a79 14
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15#ifndef WX_PRECOMP
16#include <stdio.h>
0e320a79 17#include "wx/setup.h"
cdf1e714 18#include "wx/list.h"
0e320a79 19#include "wx/utils.h"
cdf1e714 20#include "wx/app.h"
0e320a79 21#include "wx/pen.h"
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22#endif
23
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24#include "wx/os2/private.h"
25#include "assert.h"
26
004fd0c8 27IMPLEMENT_DYNAMIC_CLASS(wxPen, wxGDIObject)
004fd0c8 28
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29wxPenRefData::wxPenRefData()
30{
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31 m_nStyle = wxSOLID;
32 m_nWidth = 1;
33 m_nJoin = wxJOIN_ROUND ;
34 m_nCap = wxCAP_ROUND ;
35 m_hPen = 0L;
36} // end of wxPenRefData::wxPenRefData
37
38wxPenRefData::wxPenRefData(
39 const wxPenRefData& rData
40)
0e320a79 41{
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42 m_nStyle = rData.m_nStyle;
43 m_nWidth = rData.m_nWidth;
44 m_nJoin = rData.m_nJoin;
45 m_nCap = rData.m_nCap;
46 m_vColour = rData.m_vColour;
47 m_hPen = 0L;
48} // end of wxPenRefData::wxPenRefData
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49
50wxPenRefData::~wxPenRefData()
51{
26ac77db 52} // end of wxPenRefData::~wxPenRefData
0e320a79 53
26ac77db 54//
0e320a79 55// Pens
26ac77db 56//
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57wxPen::wxPen()
58{
59 if ( wxThePenList )
60 wxThePenList->AddPen(this);
26ac77db 61} // end of wxPen::wxPen
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62
63wxPen::~wxPen()
64{
65 if (wxThePenList)
66 wxThePenList->RemovePen(this);
26ac77db 67} // end of wxPen::wxPen
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68
69// Should implement Create
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70wxPen::wxPen(
71 const wxColour& rColour
72, int nWidth
73, int nStyle
74)
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75{
76 m_refData = new wxPenRefData;
77
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78 M_PENDATA->m_vColour = rColour;
79 M_PENDATA->m_nWidth = nWidth;
80 M_PENDATA->m_nStyle = nStyle;
81 M_PENDATA->m_nJoin = wxJOIN_ROUND ;
82 M_PENDATA->m_nCap = wxCAP_ROUND ;
83 M_PENDATA->m_hPen = 0L;
84
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85 RealizeResource();
86
87 if ( wxThePenList )
88 wxThePenList->AddPen(this);
26ac77db 89} // end of wxPen::wxPen
0e320a79 90
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91wxPen::wxPen(
92 const wxBitmap& rStipple
93, int nWidth
94)
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95{
96 m_refData = new wxPenRefData;
97
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98 M_PENDATA->m_vStipple = rStipple;
99 M_PENDATA->m_nWidth = nWidth;
100 M_PENDATA->m_nStyle = wxSTIPPLE;
101 M_PENDATA->m_nJoin = wxJOIN_ROUND ;
102 M_PENDATA->m_nCap = wxCAP_ROUND ;
103 M_PENDATA->m_hPen = 0;
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104
105 RealizeResource();
106
107 if ( wxThePenList )
108 wxThePenList->AddPen(this);
26ac77db 109} // end of wxPen::wxPen
0e320a79 110
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111bool wxPen::RealizeResource()
112{
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113 BOOL bOk;
114 ERRORID vError;
115 wxString sError;
116
117 if (M_PENDATA && M_PENDATA->m_hPen == 0L)
118 {
119 SIZEL vSize = {0, 0};
120 DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
121 HDC hDC = ::DevOpenDC( vHabmain
122 ,OD_MEMORY
123 ,"*"
124 ,5L
125 ,(PDEVOPENDATA)&vDop
126 ,NULLHANDLE
127 );
128 M_PENDATA->m_hPen = (WXHPEN)::GpiCreatePS( vHabmain
129 ,hDC
130 ,&vSize
131 ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
132 );
133 }
134 if (M_PENDATA)
135 {
136 //
137 // Set the color table to RGB mode
138 //
139 if (!::GpiCreateLogColorTable( (HPS)M_PENDATA->m_hPen
140 ,0L
141 ,LCOLF_RGB
142 ,0L
143 ,0L
144 ,NULL
145 ))
146 {
147 vError = ::WinGetLastError(vHabmain);
148 sError = wxPMErrorToStr(vError);
149 wxLogError("Unable to set current color table to RGB mode. Error: %s\n", sError);
150 return FALSE;
151 }
152 if (M_PENDATA->m_nStyle == wxTRANSPARENT)
153 {
154 return TRUE;
155 }
156
157 COLORREF vPmColour = 0L;
158 USHORT uLineType = wx2os2PenStyle(M_PENDATA->m_nStyle);
159
160 vPmColour = M_PENDATA->m_vColour.GetPixel();
161
162 USHORT uJoin = 0L;
163
164 switch(M_PENDATA->m_nJoin)
165 {
166 case wxJOIN_BEVEL:
167 uJoin = LINEJOIN_BEVEL;
168 break;
169
170 case wxJOIN_MITER:
171 uJoin = LINEJOIN_MITRE;
172 break;
173
174 case wxJOIN_ROUND:
175 uJoin = LINEJOIN_ROUND;
176 break;
177 }
178
179 USHORT uCap = 0L;
180
181 switch(M_PENDATA->m_nCap)
182 {
183 case wxCAP_PROJECTING:
184 uCap = LINEEND_SQUARE;
185 break;
186
187 case wxCAP_BUTT:
188 uCap = LINEEND_FLAT;
189 break;
190
191 case wxCAP_ROUND:
192 uCap = LINEEND_ROUND;
193 break;
194 }
195 m_vLineBundle.lColor = (LONG)vPmColour;
196 m_vLineBundle.usMixMode = FM_OVERPAINT;
197 m_vLineBundle.fxWidth = M_PENDATA->m_nWidth;
198 m_vLineBundle.lGeomWidth = M_PENDATA->m_nWidth;
199 m_vLineBundle.usType = uLineType;
200 m_vLineBundle.usEnd = uCap;
201 m_vLineBundle.usJoin = uJoin;
202
203 bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
204 ,PRIM_LINE
205 ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE | LBB_END | LBB_JOIN
206 ,0L
207 ,&m_vLineBundle
208 );
209 if (!bOk)
210 {
211 vError = ::WinGetLastError(vHabmain);
212 sError = wxPMErrorToStr(vError);
213 wxLogError("Can't set Gpi attributes for a LINEBUNDLE. Error: %s\n", sError);
214 return FALSE;
215 }
216
217 switch(M_PENDATA->m_nStyle)
218 {
219 case wxSTIPPLE:
220 ::GpiSetBitmapId( M_PENDATA->m_hPen
221 ,(USHORT)M_PENDATA->m_vStipple.GetHBITMAP()
222 ,(USHORT)M_PENDATA->m_vStipple.GetId()
223 );
224 ::GpiSetPatternSet( M_PENDATA->m_hPen
225 ,(USHORT)M_PENDATA->m_vStipple.GetId()
226 );
227 break;
228
229 case wxBDIAGONAL_HATCH:
230 m_vAreaBundle.usSymbol = PATSYM_DIAG3;
231 m_vAreaBundle.usSet = LCID_DEFAULT;
232 break;
233
234 case wxCROSSDIAG_HATCH:
235 m_vAreaBundle.usSymbol = PATSYM_DIAGHATCH;
236 m_vAreaBundle.usSet = LCID_DEFAULT;
237 break;
238
239 case wxFDIAGONAL_HATCH:
240 m_vAreaBundle.usSymbol = PATSYM_DIAG1;
241 m_vAreaBundle.usSet = LCID_DEFAULT;
242 break;
243
244 case wxCROSS_HATCH:
245 m_vAreaBundle.usSymbol = PATSYM_HATCH;
246 m_vAreaBundle.usSet = LCID_DEFAULT;
247 break;
248
249 case wxHORIZONTAL_HATCH:
250 m_vAreaBundle.usSymbol = PATSYM_HORIZ;
251 m_vAreaBundle.usSet = LCID_DEFAULT;
252 break;
253
254 case wxVERTICAL_HATCH:
255 m_vAreaBundle.usSymbol = PATSYM_VERT;
256 m_vAreaBundle.usSet = LCID_DEFAULT;
257 break;
258
259 default:
260 m_vAreaBundle.usSymbol = PATSYM_SOLID;
261 m_vAreaBundle.usSet = LCID_DEFAULT;
262 break;
263 }
264
265 m_vAreaBundle.lColor = vPmColour;
8d854fa9 266 m_vAreaBundle.lBackColor = RGB_WHITE;
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267 m_vAreaBundle.usMixMode = FM_OVERPAINT;
268 m_vAreaBundle.usBackMixMode = BM_OVERPAINT;
269
270 bOk = ::GpiSetAttrs( M_PENDATA->m_hPen
271 ,PRIM_AREA
272 ,ABB_COLOR | ABB_BACK_COLOR | ABB_MIX_MODE | ABB_BACK_MIX_MODE |
273 ABB_SET | ABB_SYMBOL
274 ,ABB_REF_POINT
275 ,&m_vAreaBundle
276 );
277 if (!bOk)
278 {
279 vError = ::WinGetLastError(vHabmain);
280 sError = wxPMErrorToStr(vError);
281 wxLogError("Can't set Gpi attributes for an AREABUNDLE. Error: %s\n", sError);
282 }
283 return bOk;
284 }
cdf1e714 285 return FALSE;
26ac77db 286} // end of wxPen::RealizeResource
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287
288WXHANDLE wxPen::GetResourceHandle()
289{
26ac77db 290 if (!M_PENDATA)
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291 return 0;
292 else
293 return (WXHANDLE)M_PENDATA->m_hPen;
26ac77db 294} // end of wxPen::GetResourceHandle
cdf1e714 295
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296bool wxPen::FreeResource(
297 bool bForce
298)
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299{
300 if (M_PENDATA && (M_PENDATA->m_hPen != 0))
301 {
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302 M_PENDATA->m_hPen = 0;
303 return TRUE;
304 }
305 else return FALSE;
26ac77db 306} // end of wxPen::FreeResource
cdf1e714 307
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308bool wxPen::IsFree() const
309{
26ac77db 310 return (M_PENDATA && M_PENDATA->m_hPen == 0);
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311}
312
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313void wxPen::Unshare()
314{
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315 // Don't change shared data
316 if (!m_refData)
0e320a79 317 {
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318 m_refData = new wxPenRefData();
319 }
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320 else
321 {
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322 wxPenRefData* ref = new wxPenRefData(*(wxPenRefData*)m_refData);
323 UnRef();
324 m_refData = ref;
325 }
26ac77db 326} // end of wxPen::Unshare
0e320a79 327
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328void wxPen::SetColour(
329 const wxColour& rColour
330)
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331{
332 Unshare();
26ac77db 333 M_PENDATA->m_vColour = rColour;
0e320a79 334 RealizeResource();
26ac77db 335} // end of wxPen::SetColour
0e320a79 336
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337void wxPen::SetColour(
338 unsigned char cRed
339, unsigned char cGreen
340, unsigned char cBlue
341)
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342{
343 Unshare();
26ac77db 344 M_PENDATA->m_vColour.Set(cRed, cGreen, cBlue);
0e320a79 345 RealizeResource();
26ac77db 346} // end of wxPen::SetColour
0e320a79 347
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348void wxPen::SetPS(
349 HPS hPS
350)
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351{
352 Unshare();
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353 if (M_PENDATA->m_hPen)
354 ::GpiDestroyPS(M_PENDATA->m_hPen);
355 M_PENDATA->m_hPen = hPS;
0e320a79 356 RealizeResource();
26ac77db 357} // end of WxWinGdi_CPen::SetPS
0e320a79 358
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359void wxPen::SetWidth(
360 int nWidth
361)
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362{
363 Unshare();
26ac77db 364 M_PENDATA->m_nWidth = nWidth;
0e320a79 365 RealizeResource();
26ac77db 366} // end of wxPen::SetWidth
0e320a79 367
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368void wxPen::SetStyle(
369 int nStyle
370)
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371{
372 Unshare();
26ac77db 373 M_PENDATA->m_nStyle = nStyle;
0e320a79 374 RealizeResource();
26ac77db 375} // end of wxPen::SetStyle
0e320a79 376
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377void wxPen::SetStipple(
378 const wxBitmap& rStipple
379)
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380{
381 Unshare();
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382 M_PENDATA->m_vStipple = rStipple;
383 M_PENDATA->m_nStyle = wxSTIPPLE;
0e320a79 384 RealizeResource();
26ac77db 385} // end of wxPen::SetStipple
0e320a79 386
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387void wxPen::SetDashes(
388 int nNbDashes
389, const wxDash* pDash
390)
391{
392 //
393 // Does nothing under OS/2
394 //
395} // end of wxPen::SetDashes
396
397void wxPen::SetJoin(
398 int nJoin
399)
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400{
401 Unshare();
26ac77db 402 M_PENDATA->m_nJoin = nJoin;
0e320a79 403 RealizeResource();
26ac77db 404} // end of wxPen::SetJoin
0e320a79 405
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406void wxPen::SetCap(
407 int nCap
408)
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409{
410 Unshare();
26ac77db 411 M_PENDATA->m_nCap = nCap;
0e320a79 412 RealizeResource();
26ac77db 413} // end of wxPen::SetCap
0e320a79 414
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415int wx2os2PenStyle(
416 int nWxStyle
417)
cdf1e714 418{
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419 int nPMStyle = 0;
420
421 switch (nWxStyle)
fb46a9a6 422 {
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423 case wxDOT:
424 nPMStyle = LINETYPE_DOT;
425 break;
426
427 case wxDOT_DASH:
428 nPMStyle = LINETYPE_DASHDOT;
429 break;
430
431 case wxSHORT_DASH:
432 nPMStyle = LINETYPE_SHORTDASH;
433 break;
434
435 case wxLONG_DASH:
436 nPMStyle = LINETYPE_LONGDASH;
437 break;
438
439 case wxTRANSPARENT:
440 nPMStyle = LINETYPE_INVISIBLE;
441 break;
442
443 case wxUSER_DASH:
444 nPMStyle = LINETYPE_DASHDOUBLEDOT; // We must make a choice... This is mine!
445 break;
446
447 case wxSOLID:
448 default:
449 nPMStyle = LINETYPE_SOLID;
450 break;
451 }
452 return nPMStyle;
453} // end of wx2os2PenStyle
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454
455