| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: statbmp.cpp |
| 3 | // Purpose: wxStaticBitmap |
| 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 "statbmp.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/statbmp.h" |
| 25 | #endif |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include "wx/msw/private.h" |
| 29 | |
| 30 | #if !USE_SHARED_LIBRARY |
| 31 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) |
| 32 | #endif |
| 33 | |
| 34 | /* |
| 35 | * wxStaticBitmap |
| 36 | */ |
| 37 | |
| 38 | bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id, |
| 39 | const wxBitmap& bitmap, |
| 40 | const wxPoint& pos, |
| 41 | const wxSize& size, |
| 42 | long style, |
| 43 | const wxString& name) |
| 44 | { |
| 45 | m_messageBitmap = bitmap; |
| 46 | SetName(name); |
| 47 | if (parent) parent->AddChild(this); |
| 48 | |
| 49 | m_backgroundColour = parent->GetBackgroundColour() ; |
| 50 | m_foregroundColour = parent->GetForegroundColour() ; |
| 51 | |
| 52 | if ( id == -1 ) |
| 53 | m_windowId = (int)NewControlId(); |
| 54 | else |
| 55 | m_windowId = id; |
| 56 | |
| 57 | int x = pos.x; |
| 58 | int y = pos.y; |
| 59 | int width = size.x; |
| 60 | int height = size.y; |
| 61 | |
| 62 | if ( width < 0 && bitmap.Ok() ) |
| 63 | width = bitmap.GetWidth(); |
| 64 | if ( height < 0 && bitmap.Ok() ) |
| 65 | height = bitmap.GetHeight(); |
| 66 | |
| 67 | m_windowStyle = style; |
| 68 | |
| 69 | // Use an ownerdraw button to produce a static bitmap, since there's |
| 70 | // no ownerdraw static. |
| 71 | // TODO: perhaps this should be a static item, with style SS_BITMAP. |
| 72 | m_hWnd = (WXHWND)CreateWindow |
| 73 | ( |
| 74 | "BUTTON", |
| 75 | "", |
| 76 | BS_OWNERDRAW | WS_TABSTOP | WS_CHILD | WS_VISIBLE, |
| 77 | 0, 0, 0, 0, |
| 78 | (HWND)parent->GetHWND(), |
| 79 | (HMENU)m_windowId, |
| 80 | wxGetInstance(), |
| 81 | NULL |
| 82 | ); |
| 83 | |
| 84 | // Subclass again for purposes of dialog editing mode |
| 85 | SubclassWin(m_hWnd); |
| 86 | |
| 87 | SetFont(GetParent()->GetFont()); |
| 88 | |
| 89 | SetSize(x, y, width, height); |
| 90 | return TRUE; |
| 91 | } |
| 92 | |
| 93 | void wxStaticBitmap::SetSize(int x, int y, int width, int height, int sizeFlags) |
| 94 | { |
| 95 | int currentX, currentY; |
| 96 | GetPosition(¤tX, ¤tY); |
| 97 | int x1 = x; |
| 98 | int y1 = y; |
| 99 | |
| 100 | if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) |
| 101 | x1 = currentX; |
| 102 | if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) |
| 103 | y1 = currentY; |
| 104 | |
| 105 | AdjustForParentClientOrigin(x1, y1, sizeFlags); |
| 106 | |
| 107 | int actualWidth = width; |
| 108 | int actualHeight = height; |
| 109 | |
| 110 | int ww, hh; |
| 111 | GetSize(&ww, &hh); |
| 112 | |
| 113 | // If we're prepared to use the existing width, then... |
| 114 | if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH)) |
| 115 | actualWidth = ww; |
| 116 | else actualWidth = width; |
| 117 | |
| 118 | // If we're prepared to use the existing height, then... |
| 119 | if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT)) |
| 120 | actualHeight = hh; |
| 121 | else actualHeight = height; |
| 122 | |
| 123 | MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE); |
| 124 | } |
| 125 | |
| 126 | void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap) |
| 127 | { |
| 128 | m_messageBitmap = bitmap; |
| 129 | |
| 130 | int x, y; |
| 131 | int w, h; |
| 132 | GetPosition(&x, &y); |
| 133 | GetSize(&w, &h); |
| 134 | RECT rect; |
| 135 | rect.left = x; rect.top = y; rect.right = x + w; rect.bottom = y + h; |
| 136 | |
| 137 | if ( bitmap.Ok() ) |
| 138 | MoveWindow((HWND) GetHWND(), x, y, bitmap.GetWidth(), bitmap.GetHeight(), |
| 139 | FALSE); |
| 140 | |
| 141 | InvalidateRect((HWND) GetParent()->GetHWND(), &rect, TRUE); |
| 142 | } |
| 143 | |
| 144 | bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item) |
| 145 | { |
| 146 | long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE); |
| 147 | #if defined(__WIN32__) && defined(SS_BITMAP) |
| 148 | if ((style & 0xFF) == SS_BITMAP) |
| 149 | { |
| 150 | // Should we call Default() here? |
| 151 | // Default(); |
| 152 | |
| 153 | // Let default procedure draw the bitmap, which is defined |
| 154 | // in the Windows resource. |
| 155 | return FALSE; |
| 156 | } |
| 157 | #endif |
| 158 | |
| 159 | LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item; |
| 160 | |
| 161 | wxBitmap* bitmap = &m_messageBitmap; |
| 162 | if ( !bitmap->Ok() ) |
| 163 | return FALSE; |
| 164 | |
| 165 | HDC hDC = lpDIS->hDC; |
| 166 | HDC memDC = ::CreateCompatibleDC(hDC); |
| 167 | |
| 168 | HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP()); |
| 169 | |
| 170 | if (!old) |
| 171 | return FALSE; |
| 172 | |
| 173 | int x = lpDIS->rcItem.left; |
| 174 | int y = lpDIS->rcItem.top; |
| 175 | int width = lpDIS->rcItem.right - x; |
| 176 | int height = lpDIS->rcItem.bottom - y; |
| 177 | |
| 178 | // Centre the bitmap in the control area |
| 179 | int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2)); |
| 180 | int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2)); |
| 181 | |
| 182 | ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY); |
| 183 | |
| 184 | ::SelectObject(memDC, old); |
| 185 | |
| 186 | ::DeleteDC(memDC); |
| 187 | |
| 188 | return TRUE; |
| 189 | } |
| 190 | |
| 191 | long wxStaticBitmap::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) |
| 192 | { |
| 193 | // Ensure that static items get messages. Some controls don't like this |
| 194 | // message to be intercepted (e.g. RichEdit), hence the tests. |
| 195 | if (nMsg == WM_NCHITTEST) |
| 196 | return (long)HTCLIENT; |
| 197 | |
| 198 | return wxWindow::MSWWindowProc(nMsg, wParam, lParam); |
| 199 | } |
| 200 | |