| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/os2/ownerdrw.cpp |
| 3 | // Purpose: implementation of wxOwnerDrawn class |
| 4 | // Author: David Webster |
| 5 | // Modified by: Marcin Malich |
| 6 | // Created: 10/12/99 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) David Webster |
| 9 | // Licence: wxWindows licence |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_OWNER_DRAWN |
| 16 | |
| 17 | #include "wx/ownerdrw.h" |
| 18 | #include "wx/os2/private.h" |
| 19 | #include "wx/os2/dcclient.h" |
| 20 | |
| 21 | // ---------------------------------------------------------------------------- |
| 22 | // constants for base class |
| 23 | // ---------------------------------------------------------------------------- |
| 24 | |
| 25 | int wxOwnerDrawnBase::ms_defaultMargin = 3; |
| 26 | |
| 27 | // ============================================================================ |
| 28 | // implementation of wxOwnerDrawn class |
| 29 | // ============================================================================ |
| 30 | |
| 31 | // draw the item |
| 32 | bool wxOwnerDrawn::OnDrawItem( wxDC& rDC, |
| 33 | const wxRect& rRect, |
| 34 | wxODAction eAction, |
| 35 | wxODStatus eStatus ) |
| 36 | { |
| 37 | |
| 38 | // |
| 39 | // Select the font and draw the text |
| 40 | // --------------------------------- |
| 41 | // |
| 42 | |
| 43 | CHARBUNDLE vCbnd; |
| 44 | wxPMDCImpl *impl = (wxPMDCImpl*) rDC.GetImpl(); |
| 45 | HPS hPS= impl->GetHPS(); |
| 46 | wxFont vFont; |
| 47 | wxColour vColBack; |
| 48 | wxColour vColText; |
| 49 | COLORREF vRef; |
| 50 | RECTL vRect = {rRect.x + 4, rRect.y + 1, rRect.x + (rRect.width - 2), rRect.y + rRect.height}; |
| 51 | |
| 52 | memset(&vCbnd, 0, sizeof(CHARBUNDLE)); |
| 53 | |
| 54 | GetFontToUse(vFont); |
| 55 | GetColourToUse(eStatus, vColText, vColBack); |
| 56 | |
| 57 | rDC.SetFont(vFont); |
| 58 | rDC.SetTextBackground(vColBack); |
| 59 | rDC.SetTextForeground(vColText); |
| 60 | rDC.SetBackgroundMode(wxTRANSPARENT); |
| 61 | |
| 62 | vCbnd.lColor = vColText.GetPixel(); |
| 63 | vCbnd.lBackColor = vColBack.GetPixel(); |
| 64 | ::GpiSetAttrs( hPS |
| 65 | ,PRIM_CHAR |
| 66 | ,CBB_BACK_COLOR | CBB_COLOR |
| 67 | ,0 |
| 68 | ,&vCbnd |
| 69 | ); |
| 70 | ::GpiSetBackMix( hPS |
| 71 | ,BM_LEAVEALONE |
| 72 | ); |
| 73 | |
| 74 | // |
| 75 | // Paint the background |
| 76 | // |
| 77 | ::WinFillRect(hPS, &vRect, vColBack.GetPixel()); |
| 78 | |
| 79 | // |
| 80 | // Determine where to draw and leave space for a check-mark. |
| 81 | // |
| 82 | int nX = rRect.x + GetMarginWidth(); |
| 83 | |
| 84 | // |
| 85 | // Unfortunately, unlike Win32, PM has no owner drawn specific text |
| 86 | // drawing methods like ::DrawState that can cleanly handle accel |
| 87 | // mnemonics and deal, automatically, with various states, so we have |
| 88 | // to handle them ourselves. Notice Win32 can't handle \t in ownerdrawn |
| 89 | // strings either. We cannot handle mnemonics either. We display |
| 90 | // them, though, in the hope we can figure them out some day. |
| 91 | // |
| 92 | |
| 93 | // |
| 94 | // Display main text |
| 95 | // |
| 96 | wxString sFullString = GetItemLabel(); // need to save the original text |
| 97 | int nIndex; |
| 98 | size_t nWidth; |
| 99 | size_t nCharWidth; |
| 100 | size_t nHeight; |
| 101 | bool bFoundMnemonic = false; |
| 102 | |
| 103 | // |
| 104 | // Deal with the mnemonic character |
| 105 | // |
| 106 | nIndex = sFullString.Find(wxT("~")); |
| 107 | if (nIndex != -1) |
| 108 | { |
| 109 | wxString sTmp = sFullString; |
| 110 | |
| 111 | bFoundMnemonic = true; |
| 112 | sTmp.Remove(nIndex); |
| 113 | rDC.GetTextExtent( sTmp |
| 114 | ,(wxCoord *)&nWidth |
| 115 | ,(wxCoord *)&nHeight |
| 116 | ); |
| 117 | sTmp = sFullString[(size_t)(nIndex + 1)]; |
| 118 | rDC.GetTextExtent( sTmp |
| 119 | ,(wxCoord *)&nCharWidth |
| 120 | ,(wxCoord *)&nHeight |
| 121 | ); |
| 122 | sFullString.Replace(sTgt.c_str(), wxEmptyString, true); |
| 123 | } |
| 124 | |
| 125 | // |
| 126 | // Draw the main item text sans the accel text |
| 127 | // |
| 128 | POINTL vPntStart = {nX, rRect.y + 4}; |
| 129 | ::GpiCharStringAt( impl->GetHPS() |
| 130 | ,&vPntStart |
| 131 | ,sFullString.length() |
| 132 | ,sFullString.char_str() |
| 133 | ); |
| 134 | if (bFoundMnemonic) |
| 135 | { |
| 136 | // |
| 137 | // Underline the mnemonic -- still won't work, but at least it "looks" right |
| 138 | // |
| 139 | wxPen vPen; |
| 140 | POINTL vPntEnd = {nX + nWidth + nCharWidth - 3, rRect.y + 2}; //CharWidth is bit wide |
| 141 | |
| 142 | vPntStart.x = nX + nWidth - 1; |
| 143 | vPntStart.y = rRect.y + 2; // Make it look pretty! |
| 144 | vPen = wxPen(vColText, 1, wxSOLID); // Assuming we are always black |
| 145 | rDC.SetPen(vPen); |
| 146 | ::GpiMove(hPS, &vPntStart); |
| 147 | ::GpiLine(hPS, &vPntEnd); |
| 148 | } |
| 149 | |
| 150 | return true; |
| 151 | } // end of wxOwnerDrawn::OnDrawItem |
| 152 | |
| 153 | #endif //wxUSE_OWNER_DRAWN |