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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: control.cpp | |
3 | // Purpose: wxControl class | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 09/17/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "control.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifndef WX_PRECOMP | |
20 | #include "wx/event.h" | |
21 | #include "wx/app.h" | |
22 | #include "wx/dcclient.h" | |
23 | #include "wx/scrolwin.h" | |
24 | #include "wx/log.h" | |
25 | #endif | |
26 | #include "wx/os2/private.h" | |
27 | #include "wx/control.h" | |
28 | ||
29 | IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) | |
30 | ||
31 | BEGIN_EVENT_TABLE(wxControl, wxWindow) | |
32 | EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground) | |
33 | END_EVENT_TABLE() | |
34 | ||
35 | // Item members | |
36 | wxControl::wxControl() | |
37 | { | |
38 | } // end of wxControl::wxControl | |
39 | ||
40 | bool wxControl::Create( | |
41 | wxWindow* pParent | |
42 | , wxWindowID vId | |
43 | , const wxPoint& rPos | |
44 | , const wxSize& rSize | |
45 | , long lStyle | |
46 | , const wxValidator& rValidator | |
47 | , const wxString& rsName | |
48 | ) | |
49 | { | |
50 | bool bRval = wxWindow::Create( pParent | |
51 | ,vId | |
52 | ,rPos | |
53 | ,rSize | |
54 | ,lStyle | |
55 | ,rsName | |
56 | ); | |
57 | if (bRval) | |
58 | { | |
59 | #if wxUSE_VALIDATORS | |
60 | SetValidator(rValidator); | |
61 | #endif | |
62 | } | |
63 | return bRval; | |
64 | } // end of wxControl::Create | |
65 | ||
66 | wxControl::~wxControl() | |
67 | { | |
68 | m_isBeingDeleted = TRUE; | |
69 | } | |
70 | ||
71 | bool wxControl::OS2CreateControl( | |
72 | const wxChar* zClassname | |
73 | , const wxString& rsLabel | |
74 | , const wxPoint& rPos | |
75 | , const wxSize& rSize | |
76 | , long lStyle | |
77 | ) | |
78 | { | |
79 | WXDWORD dwExstyle; | |
80 | WXDWORD dwStyle = OS2GetStyle( lStyle | |
81 | ,&dwExstyle | |
82 | ); | |
83 | ||
84 | return OS2CreateControl( zClassname | |
85 | ,dwStyle | |
86 | ,rPos | |
87 | ,rSize | |
88 | ,rsLabel | |
89 | ,dwExstyle | |
90 | ); | |
91 | } // end of wxControl::OS2CreateControl | |
92 | ||
93 | bool wxControl::OS2CreateControl( | |
94 | const wxChar* zClassname | |
95 | , WXDWORD dwStyle | |
96 | , const wxPoint& rPos | |
97 | , const wxSize& rSize | |
98 | , const wxString& rsLabel | |
99 | , WXDWORD dwExstyle | |
100 | ) | |
101 | { | |
102 | // | |
103 | // Doesn't do anything at all under OS/2 | |
104 | // | |
105 | if (dwExstyle == (WXDWORD)-1) | |
106 | { | |
107 | dwExstyle = 0; | |
108 | (void) OS2GetStyle(GetWindowStyle(), &dwExstyle); | |
109 | } | |
110 | // | |
111 | // All controls should have these styles (wxWindows creates all controls | |
112 | // visible by default) | |
113 | // | |
114 | if (m_isShown ) | |
115 | dwStyle |= WS_VISIBLE; | |
116 | ||
117 | wxWindow* pParent = GetParent(); | |
118 | PSZ zClass; | |
119 | ||
120 | if (!pParent) | |
121 | return FALSE; | |
122 | ||
123 | if ((strcmp(zClassname, "COMBOBOX")) == 0) | |
124 | zClass = WC_COMBOBOX; | |
125 | else if ((strcmp(zClassname, "STATIC")) == 0) | |
126 | zClass = WC_STATIC; | |
127 | else if ((strcmp(zClassname, "BUTTON")) == 0) | |
128 | zClass = WC_BUTTON; | |
129 | else if ((strcmp(zClassname, "NOTEBOOK")) == 0) | |
130 | zClass = WC_NOTEBOOK; | |
131 | else if ((strcmp(zClassname, "CONTAINER")) == 0) | |
132 | zClass = WC_CONTAINER; | |
133 | dwStyle |= WS_VISIBLE; | |
134 | ||
135 | m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle | |
136 | ,(PSZ)zClass // Window class | |
137 | ,(PSZ)rsLabel.c_str() // Initial Text | |
138 | ,(ULONG)dwStyle // Style flags | |
139 | ,(LONG)0 // X pos of origin | |
140 | ,(LONG)0 // Y pos of origin | |
141 | ,(LONG)0 // control width | |
142 | ,(LONG)0 // control height | |
143 | ,(HWND)GetHwndOf(pParent) // owner window handle (same as parent | |
144 | ,HWND_TOP // initial z position | |
145 | ,(ULONG)GetId() // Window identifier | |
146 | ,NULL // no control data | |
147 | ,NULL // no Presentation parameters | |
148 | ); | |
149 | ||
150 | if ( !m_hWnd ) | |
151 | { | |
152 | #ifdef __WXDEBUG__ | |
153 | wxLogError(wxT("Failed to create a control of class '%s'"), zClassname); | |
154 | #endif // DEBUG | |
155 | ||
156 | return FALSE; | |
157 | } | |
158 | // | |
159 | // Subclass again for purposes of dialog editing mode | |
160 | // | |
161 | SubclassWin(m_hWnd); | |
162 | ||
163 | // | |
164 | // Controls use the same font and colours as their parent dialog by default | |
165 | // | |
166 | InheritAttributes(); | |
167 | SetXComp(0); | |
168 | SetYComp(0); | |
169 | SetSize( rPos.x | |
170 | ,rPos.y | |
171 | ,rSize.x | |
172 | ,rSize.y | |
173 | ); | |
174 | return TRUE; | |
175 | } // end of wxControl::OS2CreateControl | |
176 | ||
177 | wxSize wxControl::DoGetBestSize() const | |
178 | { | |
179 | return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); | |
180 | } // end of wxControl::DoGetBestSize | |
181 | ||
182 | bool wxControl::ProcessCommand(wxCommandEvent& event) | |
183 | { | |
184 | return GetEventHandler()->ProcessEvent(event); | |
185 | } | |
186 | ||
187 | WXHBRUSH wxControl::OnCtlColor( | |
188 | WXHDC hWxDC | |
189 | , WXHWND hWnd | |
190 | , WXUINT uCtlColor | |
191 | , WXUINT uMessage | |
192 | , WXWPARAM wParam | |
193 | , WXLPARAM lParam | |
194 | ) | |
195 | { | |
196 | HPS hPS = (HPS)hWxDC; // pass in a PS handle in OS/2 | |
197 | wxColour vColFore = GetForegroundColour(); | |
198 | wxColour vColBack = GetBackgroundColour(); | |
199 | ||
200 | if (GetParent()->GetTransparentBackground()) | |
201 | ::GpiSetBackMix(hPS, BM_LEAVEALONE); | |
202 | else | |
203 | ::GpiSetBackMix(hPS, BM_OVERPAINT); | |
204 | ||
205 | ::GpiSetBackColor(hPS, vColBack.GetPixel()); | |
206 | ::GpiSetColor(hPS, vColFore.GetPixel()); | |
207 | ||
208 | wxBrush* pBrush = wxTheBrushList->FindOrCreateBrush( vColBack | |
209 | ,wxSOLID | |
210 | ); | |
211 | return (WXHBRUSH)pBrush->GetResourceHandle(); | |
212 | } // end of wxControl::OnCtlColor | |
213 | ||
214 | void wxControl::OnEraseBackground( | |
215 | wxEraseEvent& rEvent | |
216 | ) | |
217 | { | |
218 | RECTL vRect; | |
219 | HPS hPS = rEvent.GetDC()->GetHPS(); | |
220 | SIZEL vSize = {0,0}; | |
221 | ||
222 | ::GpiSetPS(hPS, &vSize, PU_PELS | GPIF_DEFAULT); | |
223 | ::WinQueryWindowRect((HWND)GetHwnd(), &vRect); | |
224 | ::WinFillRect(hPS, &vRect, GetBackgroundColour().GetPixel()); | |
225 | } // end of wxControl::OnEraseBackground | |
226 | ||
227 | WXDWORD wxControl::OS2GetStyle( | |
228 | long lStyle | |
229 | , WXDWORD* pdwExstyle | |
230 | ) const | |
231 | { | |
232 | long dwStyle = wxWindow::OS2GetStyle( lStyle | |
233 | ,pdwExstyle | |
234 | ); | |
235 | ||
236 | if (AcceptsFocus()) | |
237 | { | |
238 | dwStyle |= WS_TABSTOP; | |
239 | } | |
240 | return dwStyle; | |
241 | } // end of wxControl::OS2GetStyle | |
242 | ||
243 | // --------------------------------------------------------------------------- | |
244 | // global functions | |
245 | // --------------------------------------------------------------------------- | |
246 | ||
247 | // Call this repeatedly for several wnds to find the overall size | |
248 | // of the widget. | |
249 | // Call it initially with -1 for all values in rect. | |
250 | // Keep calling for other widgets, and rect will be modified | |
251 | // to calculate largest bounding rectangle. | |
252 | void wxFindMaxSize( | |
253 | WXHWND hWnd | |
254 | , RECT* pRect | |
255 | ) | |
256 | { | |
257 | int nLeft = pRect->xLeft; | |
258 | int nRight = pRect->xRight; | |
259 | int nTop = pRect->yTop; | |
260 | int nBottom = pRect->yBottom; | |
261 | ||
262 | ::WinQueryWindowRect((HWND)hWnd, pRect); | |
263 | ||
264 | if (nLeft < 0) | |
265 | return; | |
266 | ||
267 | if (nLeft < pRect->xLeft) | |
268 | pRect->xLeft = nLeft; | |
269 | ||
270 | if (nRight > pRect->xRight) | |
271 | pRect->xRight = nRight; | |
272 | ||
273 | if (nTop < pRect->yTop) | |
274 | pRect->yTop = nTop; | |
275 | ||
276 | if (nBottom > pRect->yBottom) | |
277 | pRect->yBottom = nBottom; | |
278 | } // end of wxFindMaxSize | |
279 | ||
280 |