| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: bmpbuttn.cpp |
| 3 | // Purpose: wxBitmapButton |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "bmpbuttn.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/bmpbuttn.h" |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/msw/private.h" |
| 28 | |
| 29 | #if !USE_SHARED_LIBRARY |
| 30 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton) |
| 31 | #endif |
| 32 | |
| 33 | #define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1) |
| 34 | |
| 35 | bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap, |
| 36 | const wxPoint& pos, |
| 37 | const wxSize& size, long style, |
| 38 | const wxValidator& validator, |
| 39 | const wxString& name) |
| 40 | { |
| 41 | m_buttonBitmap = bitmap; |
| 42 | SetName(name); |
| 43 | SetValidator(validator); |
| 44 | |
| 45 | parent->AddChild(this); |
| 46 | |
| 47 | m_backgroundColour = parent->GetBackgroundColour() ; |
| 48 | m_foregroundColour = parent->GetForegroundColour() ; |
| 49 | m_windowStyle = style; |
| 50 | m_marginX = 0; |
| 51 | m_marginY = 0; |
| 52 | |
| 53 | if ( style & wxBU_AUTODRAW ) |
| 54 | { |
| 55 | m_marginX = wxDEFAULT_BUTTON_MARGIN; |
| 56 | m_marginY = wxDEFAULT_BUTTON_MARGIN; |
| 57 | } |
| 58 | |
| 59 | int x = pos.x; |
| 60 | int y = pos.y; |
| 61 | int width = size.x; |
| 62 | int height = size.y; |
| 63 | |
| 64 | if (id == -1) |
| 65 | m_windowId = NewControlId(); |
| 66 | else |
| 67 | m_windowId = id; |
| 68 | |
| 69 | if ( width == -1 && bitmap.Ok()) |
| 70 | width = bitmap.GetWidth() + 2*m_marginX; |
| 71 | |
| 72 | if ( height == -1 && bitmap.Ok()) |
| 73 | height = bitmap.GetHeight() + 2*m_marginY; |
| 74 | |
| 75 | HWND wx_button = |
| 76 | CreateWindowEx(0, "BUTTON", "", BS_OWNERDRAW | WS_TABSTOP | WS_CHILD, |
| 77 | 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, |
| 78 | wxGetInstance(), NULL); |
| 79 | |
| 80 | m_hWnd = (WXHWND)wx_button; |
| 81 | |
| 82 | // Subclass again for purposes of dialog editing mode |
| 83 | SubclassWin((WXHWND)wx_button); |
| 84 | |
| 85 | SetFont(parent->GetFont()) ; |
| 86 | |
| 87 | SetSize(x, y, width, height); |
| 88 | ShowWindow(wx_button, SW_SHOW); |
| 89 | |
| 90 | return TRUE; |
| 91 | } |
| 92 | |
| 93 | void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap) |
| 94 | { |
| 95 | m_buttonBitmap = bitmap; |
| 96 | } |
| 97 | |
| 98 | bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item) |
| 99 | { |
| 100 | long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE); |
| 101 | #if defined(__WIN95__) |
| 102 | if (style & BS_BITMAP) |
| 103 | { |
| 104 | // Should we call Default() here? |
| 105 | // Default(); |
| 106 | |
| 107 | // Let default procedure draw the bitmap, which is defined |
| 108 | // in the Windows resource. |
| 109 | return FALSE; |
| 110 | } |
| 111 | #endif |
| 112 | |
| 113 | LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item; |
| 114 | |
| 115 | wxBitmap* bitmap = &m_buttonBitmap; |
| 116 | |
| 117 | UINT state = lpDIS->itemState; |
| 118 | if ((state & ODS_SELECTED) && m_buttonBitmapSelected.Ok()) |
| 119 | bitmap = &m_buttonBitmapSelected; |
| 120 | else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok()) |
| 121 | bitmap = &m_buttonBitmapFocus; |
| 122 | else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok()) |
| 123 | bitmap = &m_buttonBitmapDisabled; |
| 124 | |
| 125 | if ( !bitmap->Ok() ) |
| 126 | return FALSE; |
| 127 | |
| 128 | HDC hDC = lpDIS->hDC; |
| 129 | HDC memDC = ::CreateCompatibleDC(hDC); |
| 130 | |
| 131 | HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP()); |
| 132 | |
| 133 | if (!old) |
| 134 | return FALSE; |
| 135 | |
| 136 | int x = lpDIS->rcItem.left; |
| 137 | int y = lpDIS->rcItem.top; |
| 138 | int width = lpDIS->rcItem.right - x; |
| 139 | int height = lpDIS->rcItem.bottom - y; |
| 140 | |
| 141 | // Draw the face, if auto-drawing |
| 142 | if ( GetWindowStyleFlag() & wxBU_AUTODRAW ) |
| 143 | DrawFace((WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, |
| 144 | ((state & ODS_SELECTED) == ODS_SELECTED)); |
| 145 | |
| 146 | // Centre the bitmap in the control area |
| 147 | int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2)); |
| 148 | int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2)); |
| 149 | |
| 150 | if ( (state & ODS_SELECTED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) ) |
| 151 | { |
| 152 | x1 ++; |
| 153 | y1 ++; |
| 154 | } |
| 155 | |
| 156 | ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY); |
| 157 | |
| 158 | if ( (state & ODS_DISABLED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) ) |
| 159 | DrawButtonDisable( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, TRUE ) ; |
| 160 | else if ( (state & ODS_FOCUS) && (GetWindowStyleFlag() & wxBU_AUTODRAW) ) |
| 161 | DrawButtonFocus( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, ((state & ODS_SELECTED) == ODS_SELECTED)); |
| 162 | |
| 163 | ::SelectObject(memDC, old); |
| 164 | |
| 165 | ::DeleteDC(memDC); |
| 166 | |
| 167 | return TRUE; |
| 168 | } |
| 169 | |
| 170 | void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel ) |
| 171 | { |
| 172 | HPEN oldp; |
| 173 | HBRUSH oldb ; |
| 174 | |
| 175 | HPEN penBorder; |
| 176 | HPEN penLight; |
| 177 | HPEN penShadow; |
| 178 | HBRUSH brushFace; |
| 179 | COLORREF ms_color; |
| 180 | |
| 181 | ms_color = GetSysColor(COLOR_WINDOWFRAME) ; |
| 182 | penBorder = CreatePen(PS_SOLID,0,ms_color) ; |
| 183 | |
| 184 | ms_color = GetSysColor(COLOR_BTNSHADOW) ; |
| 185 | penShadow = CreatePen(PS_SOLID,0,ms_color) ; |
| 186 | |
| 187 | ms_color = GetSysColor(COLOR_BTNHIGHLIGHT) ; |
| 188 | penLight = CreatePen(PS_SOLID,0,ms_color) ; |
| 189 | |
| 190 | ms_color = GetSysColor(COLOR_BTNFACE) ; |
| 191 | brushFace = CreateSolidBrush(ms_color) ; |
| 192 | |
| 193 | oldp = (HPEN) SelectObject( (HDC) dc, GetStockObject( NULL_PEN ) ) ; |
| 194 | oldb = (HBRUSH) SelectObject( (HDC) dc, brushFace ) ; |
| 195 | Rectangle( (HDC) dc, left, top, right, bottom ) ; |
| 196 | SelectObject( (HDC) dc, penBorder) ; |
| 197 | MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top); |
| 198 | MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1); |
| 199 | MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1); |
| 200 | MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1); |
| 201 | |
| 202 | SelectObject( (HDC) dc, penShadow) ; |
| 203 | if (sel) |
| 204 | { |
| 205 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ; |
| 206 | LineTo((HDC) dc, left+1 ,top+1) ; |
| 207 | LineTo((HDC) dc, right-2 ,top+1) ; |
| 208 | } |
| 209 | else |
| 210 | { |
| 211 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ; |
| 212 | LineTo((HDC) dc, right-2 ,bottom-2) ; |
| 213 | LineTo((HDC) dc, right-2 ,top) ; |
| 214 | MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL) ; |
| 215 | LineTo((HDC) dc, right-3 ,bottom-3) ; |
| 216 | LineTo((HDC) dc, right-3 ,top+1) ; |
| 217 | |
| 218 | SelectObject( (HDC) dc, penLight) ; |
| 219 | |
| 220 | MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ; |
| 221 | LineTo((HDC) dc, left+1 ,top+1) ; |
| 222 | LineTo((HDC) dc, right-2 ,top+1) ; |
| 223 | } |
| 224 | SelectObject((HDC) dc,oldp) ; |
| 225 | SelectObject((HDC) dc,oldb) ; |
| 226 | |
| 227 | DeleteObject(penBorder); |
| 228 | DeleteObject(penLight); |
| 229 | DeleteObject(penShadow); |
| 230 | DeleteObject(brushFace); |
| 231 | } |
| 232 | |
| 233 | #define FOCUS_MARGIN 6 |
| 234 | |
| 235 | void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel ) |
| 236 | { |
| 237 | RECT rect; |
| 238 | rect.left = left; |
| 239 | rect.top = top; |
| 240 | rect.right = right; |
| 241 | rect.bottom = bottom; |
| 242 | InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ) ; |
| 243 | if ( sel ) |
| 244 | OffsetRect( &rect, 1, 1 ) ; |
| 245 | DrawFocusRect( (HDC) dc, &rect ) ; |
| 246 | } |
| 247 | |
| 248 | extern HBRUSH wxDisableButtonBrush; |
| 249 | void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg ) |
| 250 | { |
| 251 | HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ) ; |
| 252 | |
| 253 | if ( with_marg ) |
| 254 | ::PatBlt( (HDC) dc, left + m_marginX, top + m_marginY, |
| 255 | right - 2 * m_marginX, bottom - 2 * m_marginY, |
| 256 | 0xfa0089ul ) ; |
| 257 | else ::PatBlt( (HDC) dc, left, top, right, bottom, 0xfa0089ul ) ; |
| 258 | |
| 259 | ::SelectObject( (HDC) dc, old ) ; |
| 260 | } |
| 261 | |