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 IMPLEMENT_DYNAMIC_CLASS(wxStaticText, wxControl)
  34
  35 bool wxStaticText::Create(wxWindow *parent, wxWindowID id,
  36            const wxString& label,
  37            const wxPoint& pos,
  38            const wxSize& size,
  39            long style,
  40            const wxString& name)
  41 {
  42   SetName(name);
  43   if (parent) parent->AddChild(this);
  44
  45   SetBackgroundColour(parent->GetBackgroundColour()) ;
  46   SetForegroundColour(parent->GetForegroundColour()) ;
  47
  48   if ( id == -1 )
  49     m_windowId = (int)NewControlId();
  50   else
  51   m_windowId = id;
  52
  53   int x = pos.x;
  54   int y = pos.y;
  55   int width = size.x;
  56   int height = size.y;
  57
  58   m_windowStyle = style;
  59
  60   long msStyle = WS_CHILD | WS_VISIBLE;
  61
  62   if ( m_windowStyle & wxCLIP_SIBLINGS )
  63     msStyle |= WS_CLIPSIBLINGS;
  64   if (m_windowStyle & wxALIGN_CENTRE)
  65     msStyle |= SS_CENTER;
  66   else if (m_windowStyle & wxALIGN_RIGHT)
  67     msStyle |= SS_RIGHT;
  68   else
  69     msStyle |= SS_LEFT;
  70
  71   // Even with extended styles, need to combine with WS_BORDER
  72   // for them to look right.
  73   if ( wxStyleHasBorder(m_windowStyle) )
  74     msStyle |= WS_BORDER;
  75
  76   m_hWnd = (WXHWND)::CreateWindowEx(MakeExtendedStyle(m_windowStyle), wxT("STATIC"), (const wxChar *)label,
  77                          msStyle,
  78                          0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
  79                          wxGetInstance(), NULL);
  80
  81   wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create static ctrl") );
  82
  83 #if wxUSE_CTL3D
  84 /*
  85   if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS))
  86     Ctl3dSubclassCtl(static_item);
  87 */
  88 #endif
  89
  90   SubclassWin(m_hWnd);
  91
  92   wxControl::SetFont(parent->GetFont());
  93   SetSize(x, y, width, height);
  94
  95   return TRUE;
  96 }
  97
  98 wxSize wxStaticText::DoGetBestSize() const
  99 {
 100     wxString text(wxGetWindowText(GetHWND()));
 101
 102     int widthTextMax = 0, widthLine,
 103         heightTextTotal = 0, heightLineDefault = 0, heightLine = 0;
 104
 105     wxString curLine;
 106     for ( const wxChar *pc = text; ; pc++ ) {
 107         if ( *pc == wxT('\n') || *pc == wxT('\0') ) {
 108             if ( !curLine ) {
 109                 // we can't use GetTextExtent - it will return 0 for both width
 110                 // and height and an empty line should count in height
 111                 // calculation
 112                 if ( !heightLineDefault )
 113                     heightLineDefault = heightLine;
 114                 if ( !heightLineDefault )
 115                     GetTextExtent(_T("W"), NULL, &heightLineDefault);
 116
 117                 heightTextTotal += heightLineDefault;
 118             }
 119             else {
 120                 GetTextExtent(curLine, &widthLine, &heightLine);
 121                 if ( widthLine > widthTextMax )
 122                     widthTextMax = widthLine;
 123                 heightTextTotal += heightLine;
 124             }
 125
 126             if ( *pc == wxT('\n') ) {
 127                curLine.Empty();
 128             }
 129             else {
 130                // the end of string
 131                break;
 132             }
 133         }
 134         else {
 135             curLine += *pc;
 136         }
 137     }
 138
 139     return wxSize(widthTextMax, heightTextTotal);
 140 }
 141
 142 void wxStaticText::SetLabel(const wxString& label)
 143 {
 144     SetWindowText(GetHwnd(), label);
 145
 146     // adjust the size of the window to fit to the label unless autoresizing is
 147     // disabled
 148     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 149     {
 150         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 151     }
 152 }
 153
 154
 155 bool wxStaticText::SetFont(const wxFont& font)
 156 {
 157     bool ret = wxControl::SetFont(font);
 158
 159     // adjust the size of the window to fit to the label unless autoresizing is
 160     // disabled
 161     if ( !(GetWindowStyle() & wxST_NO_AUTORESIZE) )
 162     {
 163         DoSetSize(-1, -1, -1, -1, wxSIZE_AUTO_WIDTH | wxSIZE_AUTO_HEIGHT);
 164     }
 165
 166     return ret;
 167 }
 168
 169
 170 long wxStaticText::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 171 {
 172   // Ensure that static items get messages. Some controls don't like this
 173   // message to be intercepted (e.g. RichEdit), hence the tests.
 174   if (nMsg == WM_NCHITTEST)
 175     return (long)HTCLIENT;
 176
 177   return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 178 }
 179
 180