| 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 and Markus Holzem |
| 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 | #endif |
| 24 | #include "wx/os2/private.h" |
| 25 | #include "wx/control.h" |
| 26 | |
| 27 | IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow) |
| 28 | |
| 29 | BEGIN_EVENT_TABLE(wxControl, wxWindow) |
| 30 | EVT_ERASE_BACKGROUND(wxControl::OnEraseBackground) |
| 31 | END_EVENT_TABLE() |
| 32 | |
| 33 | // Item members |
| 34 | wxControl::wxControl() |
| 35 | { |
| 36 | m_backgroundColour = *wxWHITE; |
| 37 | m_foregroundColour = *wxBLACK; |
| 38 | |
| 39 | #if WXWIN_COMPATIBILITY |
| 40 | m_callback = 0; |
| 41 | #endif // WXWIN_COMPATIBILITY |
| 42 | } // end of wxControl::wxControl |
| 43 | |
| 44 | bool wxControl::Create( |
| 45 | wxWindow* pParent |
| 46 | , wxWindowID vId |
| 47 | , const wxPoint& rPos |
| 48 | , const wxSize& rSize |
| 49 | , long lStyle |
| 50 | #if wxUSE_VALIDATORS |
| 51 | , const wxValidator& rValidator |
| 52 | #endif |
| 53 | , const wxString& rsName |
| 54 | ) |
| 55 | { |
| 56 | bool bRval = wxWindow::Create( pParent |
| 57 | ,vId |
| 58 | ,rPos |
| 59 | ,rSize |
| 60 | ,lStyle |
| 61 | ,rsName |
| 62 | ); |
| 63 | if (bRval) |
| 64 | { |
| 65 | #if wxUSE_VALIDATORS |
| 66 | SetValidator(rValidator); |
| 67 | #endif |
| 68 | } |
| 69 | return bRval; |
| 70 | } // end of wxControl::Create |
| 71 | |
| 72 | wxControl::~wxControl() |
| 73 | { |
| 74 | m_isBeingDeleted = TRUE; |
| 75 | } |
| 76 | |
| 77 | bool wxControl::OS2CreateControl( |
| 78 | const wxChar* zClassname |
| 79 | , WXDWORD dwStyle |
| 80 | , const wxPoint& rPos |
| 81 | , const wxSize& rSize |
| 82 | , const wxString& rsLabel |
| 83 | , WXDWORD dwExstyle |
| 84 | ) |
| 85 | { |
| 86 | // |
| 87 | // Doesn't do anything at all under OS/2 |
| 88 | // |
| 89 | if (dwExstyle == (WXDWORD)-1) |
| 90 | { |
| 91 | dwExstyle = GetExStyle(dwStyle); |
| 92 | } |
| 93 | |
| 94 | if ( !m_hWnd ) |
| 95 | { |
| 96 | #ifdef __WXDEBUG__ |
| 97 | wxLogError(wxT("Failed to create a control of class '%s'"), zClassname); |
| 98 | #endif // DEBUG |
| 99 | |
| 100 | return FALSE; |
| 101 | } |
| 102 | dwStyle |= WS_VISIBLE; |
| 103 | m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(GetParent()) // Parent window handle |
| 104 | ,(PSZ)zClassname // Window class |
| 105 | ,(PSZ)rsLabel.c_str() // Initial Text |
| 106 | ,(ULONG)dwStyle // Style flags |
| 107 | ,(LONG)rPos.x // X pos of origin |
| 108 | ,(LONG)rPos.y // Y pos of origin |
| 109 | ,(LONG)rSize.x // control width |
| 110 | ,(LONG)rSize.y // control height |
| 111 | ,(HWND)GetHwndOf(GetParent()) // owner window handle (same as parent |
| 112 | ,HWND_TOP // initial z position |
| 113 | ,(ULONG)GetId() // Window identifier |
| 114 | ,NULL // no control data |
| 115 | ,NULL // no Presentation parameters |
| 116 | ); |
| 117 | |
| 118 | // |
| 119 | // Subclass again for purposes of dialog editing mode |
| 120 | // |
| 121 | SubclassWin(m_hWnd); |
| 122 | |
| 123 | // |
| 124 | // Controls use the same font and colours as their parent dialog by default |
| 125 | // |
| 126 | InheritAttributes(); |
| 127 | return TRUE; |
| 128 | } // end of wxControl::OS2CreateControl |
| 129 | |
| 130 | wxSize wxControl::DoGetBestSize() const |
| 131 | { |
| 132 | return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT); |
| 133 | } // end of wxControl::DoGetBestSize |
| 134 | |
| 135 | bool wxControl::ProcessCommand(wxCommandEvent& event) |
| 136 | { |
| 137 | #if WXWIN_COMPATIBILITY |
| 138 | if ( m_callback ) |
| 139 | { |
| 140 | (void)(*m_callback)(this, event); |
| 141 | |
| 142 | return TRUE; |
| 143 | } |
| 144 | else |
| 145 | #endif // WXWIN_COMPATIBILITY |
| 146 | |
| 147 | return GetEventHandler()->ProcessEvent(event); |
| 148 | } |
| 149 | |
| 150 | WXHBRUSH wxControl::OnCtlColor( |
| 151 | WXHDC hWxDC |
| 152 | , WXHWND hWnd |
| 153 | , WXUINT uCtlColor |
| 154 | , WXUINT uMessage |
| 155 | , WXWPARAM wParam |
| 156 | , WXLPARAM lParam |
| 157 | ) |
| 158 | { |
| 159 | HPS hPS = (HPS)hWxDC; // pass in a PS handle in OS/2 |
| 160 | wxColour vColFore = GetForegroundColour(); |
| 161 | wxColour vColBack = GetBackgroundColour(); |
| 162 | |
| 163 | if (GetParent()->GetTransparentBackground()) |
| 164 | ::GpiSetBackMix(hPS, BM_LEAVEALONE); |
| 165 | else |
| 166 | ::GpiSetBackMix(hPS, BM_OVERPAINT); |
| 167 | |
| 168 | ::GpiSetBackColor(hPS, vColBack.GetPixel()); |
| 169 | ::GpiSetColor(hPS, vColFore.GetPixel()); |
| 170 | |
| 171 | wxBrush* pBrush = wxTheBrushList->FindOrCreateBrush( vColBack |
| 172 | ,wxSOLID |
| 173 | ); |
| 174 | return (WXHBRUSH)pBrush->GetResourceHandle(); |
| 175 | } // end of wxControl::OnCtlColor |
| 176 | |
| 177 | void wxControl::OnEraseBackground( |
| 178 | wxEraseEvent& rEvent |
| 179 | ) |
| 180 | { |
| 181 | RECTL vRect; |
| 182 | HPS hPS = rEvent.GetDC()->GetHPS(); |
| 183 | SIZEL vSize = {0,0}; |
| 184 | |
| 185 | ::GpiSetPS(hPS, &vSize, PU_PELS | GPIF_DEFAULT); |
| 186 | ::WinQueryWindowRect((HWND)GetHwnd(), &vRect); |
| 187 | ::WinFillRect(hPS, &vRect, GetBackgroundColour().GetPixel()); |
| 188 | } // end of wxControl::OnEraseBackground |
| 189 | |
| 190 | WXDWORD wxControl::GetExStyle( |
| 191 | WXDWORD& rStyle |
| 192 | ) const |
| 193 | { |
| 194 | // |
| 195 | // Meaningless under OS/2, just return what was sent |
| 196 | // |
| 197 | WXDWORD exStyle = rStyle; |
| 198 | |
| 199 | return exStyle; |
| 200 | } // end of wxControl::GetExStyle |
| 201 | |
| 202 | // --------------------------------------------------------------------------- |
| 203 | // global functions |
| 204 | // --------------------------------------------------------------------------- |
| 205 | |
| 206 | // Call this repeatedly for several wnds to find the overall size |
| 207 | // of the widget. |
| 208 | // Call it initially with -1 for all values in rect. |
| 209 | // Keep calling for other widgets, and rect will be modified |
| 210 | // to calculate largest bounding rectangle. |
| 211 | void wxFindMaxSize( |
| 212 | WXHWND hWnd |
| 213 | , RECT* pRect |
| 214 | ) |
| 215 | { |
| 216 | int nLeft = pRect->xLeft; |
| 217 | int nRight = pRect->xRight; |
| 218 | int nTop = pRect->yTop; |
| 219 | int nBottom = pRect->yBottom; |
| 220 | |
| 221 | ::WinQueryWindowRect((HWND)hWnd, pRect); |
| 222 | |
| 223 | if (nLeft < 0) |
| 224 | return; |
| 225 | |
| 226 | if (nLeft < pRect->xLeft) |
| 227 | pRect->xLeft = nLeft; |
| 228 | |
| 229 | if (nRight > pRect->xRight) |
| 230 | pRect->xRight = nRight; |
| 231 | |
| 232 | if (nTop < pRect->yTop) |
| 233 | pRect->yTop = nTop; |
| 234 | |
| 235 | if (nBottom > pRect->yBottom) |
| 236 | pRect->yBottom = nBottom; |
| 237 | } // end of wxFindMaxSize |
| 238 | |
| 239 | |