src/msw/stattext.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        stattext.cpp
   3 // Purpose:     wxStaticText
   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 "stattext.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/event.h"
  25 #include "wx/app.h"
  26 #include "wx/brush.h"
  27 #endif
  28
  29 #include "wx/stattext.h"
  30 #include "wx/msw/private.h"
  31 #include <stdio.h>
  32
  33 #if !USE_SHARED_LIBRARY
  34 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  35 #endif
  36
  37 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  38            const wxString& label,
  39            const wxPoint& pos,
  40            const wxSize& size,
  41            long style,
  42            const wxString& name)
  43 {
  44   SetName(name);
  45   if (parent) parent->AddChild(this);
  46
  47   SetBackgroundColour(parent->GetBackgroundColour()) ;
  48   SetForegroundColour(parent->GetForegroundColour()) ;
  49
  50   if ( id == -1 )
  51     m_windowId = (int)NewControlId();
  52   else
  53   m_windowId = id;
  54
  55   int x = pos.x;
  56   int y = pos.y;
  57   int width = size.x;
  58   int height = size.y;
  59
  60   m_windowStyle = style;
  61
  62   long msStyle = WS_CHILD|WS_VISIBLE;
  63   if (m_windowStyle & wxALIGN_CENTRE)
  64     msStyle |= SS_CENTER;
  65   else if (m_windowStyle & wxALIGN_RIGHT)
  66     msStyle |= SS_RIGHT;
  67   else
  68     msStyle |= SS_LEFT;
  69
  70   // Even with extended styles, need to combine with WS_BORDER
  71   // for them to look right.
  72   if ( wxStyleHasBorder(m_windowStyle) )
  73     msStyle |= WS_BORDER;
  74
  75   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), _T("STATIC"), (const wxChar *)label,
  76                          msStyle,
  77                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  78                          wxGetInstance(), NULL);
  79
  80   wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create static ctrl") );
  81
  82 #if wxUSE_CTL3D
  83 /*
  84   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  85     Ctl3dSubclassCtl(static_item);
  86 */
  87 #endif
  88
  89   SubclassWin(m_hWnd);
  90
  91   SetFont(parent->GetFont());
  92   SetSize(x, y, width, height);
  93
  94   return TRUE;
  95 }
  96
  97 void wxStaticText::DoSetSize(int x, int y, int width, int height, int sizeFlags)
  98 {
  99     int currentX, currentY;
 100     GetPosition(&currentX, &currentY);
 101
 102     int x1 = x;
 103     int y1 = y;
 104
 105     if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 106         x1 = currentX;
 107     if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 108         y1 = currentY;
 109
 110     AdjustForParentClientOrigin(x1, y1, sizeFlags);
 111
 112     int actualWidth = width;
 113     int actualHeight = height;
 114
 115     wxString text(wxGetWindowText(GetHWND()));
 116
 117     int widthTextMax = 0, widthLine,
 118         heightTextTotal = 0, heightLine;
 119
 120     wxString curLine;
 121     for ( const char *pc = text; ; pc++ ) {
 122         if ( *pc == '\n' || *pc == '\0' ) {
 123             GetTextExtent(curLine, &widthLine, &heightLine);
 124             if ( widthLine > widthTextMax )
 125                 widthTextMax = widthLine;
 126             heightTextTotal += heightLine;
 127
 128             if ( *pc == '\n' ) {
 129                curLine.Empty();
 130             }
 131             else {
 132                // the end of string
 133                break;
 134             }
 135         }
 136         else {
 137             curLine += *pc;
 138         }
 139     }
 140
 141     int ww, hh;
 142     GetSize(&ww, &hh);
 143
 144     // If we're prepared to use the existing width, then...
 145     if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
 146     {
 147         actualWidth = ww;
 148     }
 149     else if (width == -1)
 150     {
 151         actualWidth = widthTextMax;
 152     }
 153
 154     // If we're prepared to use the existing height, then...
 155     if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
 156     {
 157         actualHeight = hh;
 158     }
 159     else if (height == -1)
 160     {
 161         actualHeight = heightTextTotal;
 162     }
 163
 164     MoveWindow(GetHwnd(), x1, y1, actualWidth, actualHeight, TRUE);
 165 }
 166
 167 void wxStaticText::SetLabel(const wxString& label)
 168 {
 169     SetWindowText(GetHwnd(), label);
 170
 171     DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 172 }
 173
 174 WXHBRUSH wxStaticText::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 175       WXUINT message, WXWPARAM wParam, WXLPARAM lParam)
 176 {
 177 /*
 178 #if wxUSE_CTL3D
 179   if ( m_useCtl3D )
 180   {
 181     HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
 182
 183     if (hbrush != (HBRUSH) 0)
 184       return hbrush;
 185     else
 186       return (HBRUSH)MSWDefWindowProc(message, wParam, lParam);
 187   }
 188 #endif
 189 */
 190
 191   if (GetParent()->GetTransparentBackground())
 192     SetBkMode((HDC) pDC, TRANSPARENT);
 193   else
 194     SetBkMode((HDC) pDC, OPAQUE);
 195
 196   ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 197   ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 198
 199   wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 200
 201   // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush
 202   // has a zero usage count.
 203 //  backgroundBrush->RealizeResource();
 204   return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 205 }
 206
 207 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 208 {
 209   // Ensure that static items get messages. Some controls don't like this
 210   // message to be intercepted (e.g. RichEdit), hence the tests.
 211   if (nMsg == WM_NCHITTEST)
 212     return (long)HTCLIENT;
 213
 214   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 215 }
 216
 217