// Name: msw/statbr95.cpp
// Purpose: native implementation of wxStatusBar
// Author: Vadim Zeitlin
-// Modified by:
+// Modified by:
// Created: 04.04.98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "statbr95.h"
#endif
#include "wx/dcclient.h"
#endif
-#ifdef __WIN95__
+#if wxUSE_STATUSBAR && defined(__WIN95__) && wxUSE_NATIVE_STATUSBAR
+#include "wx/intl.h"
#include "wx/log.h"
-#include "wx/generic/statusbr.h"
-#include "wx/msw/statbr95.h"
+#include "wx/statusbr.h"
#include "wx/msw/private.h"
#include <windowsx.h>
-#if !defined(__GNUWIN32__) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-#include <commctrl.h>
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) && !defined(__CYGWIN10__))
+ #include <commctrl.h>
#endif
-#if wxUSE_NATIVE_STATUSBAR
-
-#if !USE_SHARED_LIBRARY
- IMPLEMENT_DYNAMIC_CLASS(wxStatusBar95, wxStatusBar);
-
- BEGIN_EVENT_TABLE(wxStatusBar95, wxStatusBar)
- EVT_SIZE(wxStatusBar95::OnSize)
- END_EVENT_TABLE()
-#endif //USE_SHARED_LIBRARY
-
-
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
#define StatusBar_GetTextLen(h, n) LOWORD(SendMessage(h, SB_GETTEXTLENGTH, (WPARAM)n, 0))
#define StatusBar_GetText(h, n, s) LOWORD(SendMessage(h, SB_GETTEXT, (WPARAM)n, (LPARAM)(LPTSTR)s))
-#define hwnd ((HWND)m_hWnd)
-
// ============================================================================
// implementation
// ============================================================================
wxStatusBar95::wxStatusBar95()
{
- SetParent(NULL);
- m_hWnd = 0;
- m_windowId = 0;
+ SetParent(NULL);
+ m_hWnd = 0;
+ m_windowId = 0;
}
-wxStatusBar95::wxStatusBar95(wxWindow *parent, wxWindowID id, long style)
+bool wxStatusBar95::Create(wxWindow *parent,
+ wxWindowID id,
+ long style,
+ const wxString& name)
{
- Create(parent, id, style);
-}
+ wxCHECK_MSG( parent, false, wxT("status bar must have a parent") );
-bool wxStatusBar95::Create(wxWindow *parent, wxWindowID id, long style)
-{
- SetParent(parent);
-
- if (id == -1)
- m_windowId = NewControlId();
- else
- m_windowId = id;
-
- DWORD wstyle = WS_CHILD | WS_VISIBLE;
- if ( style & wxST_SIZEGRIP )
- wstyle |= SBARS_SIZEGRIP;
-
- m_hWnd = (WXHWND)CreateStatusWindow(wstyle,
- wxT(""),
- (HWND)parent->GetHWND(),
- m_windowId);
- if ( m_hWnd == 0 ) {
- wxLogSysError(wxT("can't create status bar window"));
- return FALSE;
- }
-
- // this doesn't work: display problems (white 1-2 pixel borders...)
- // SubclassWin(m_hWnd);
-
- return TRUE;
+ SetName(name);
+ SetWindowStyleFlag(style);
+ SetParent(parent);
+
+ parent->AddChild(this);
+
+ m_windowId = id == wxID_ANY ? NewControlId() : id;
+
+ DWORD wstyle = WS_CHILD | WS_VISIBLE;
+
+ if ( style & wxCLIP_SIBLINGS )
+ wstyle |= WS_CLIPSIBLINGS;
+
+ // setting SBARS_SIZEGRIP is perfectly useless: it's always on by default
+ // (at least in the version of comctl32.dll I'm using), and the only way to
+ // turn it off is to use CCS_TOP style - as we position the status bar
+ // manually anyhow (see DoMoveWindow), use CCS_TOP style if wxST_SIZEGRIP
+ // is not given
+ if ( !(style & wxST_SIZEGRIP) )
+ {
+ wstyle |= CCS_TOP;
+ }
+ else
+ {
+#ifndef __WXWINCE__
+ // may be some versions of comctl32.dll do need it - anyhow, it won't
+ // do any harm
+ wstyle |= SBARS_SIZEGRIP;
+#endif
+ }
+
+ m_hWnd = (WXHWND)CreateStatusWindow(wstyle,
+ wxEmptyString,
+ GetHwndOf(parent),
+ m_windowId);
+ if ( m_hWnd == 0 )
+ {
+ wxLogSysError(_("Failed to create a status bar."));
+
+ return false;
+ }
+
+ SetFieldsCount(1);
+ SubclassWin(m_hWnd);
+ InheritAttributes();
+
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));
+
+ // we must refresh the frame size when the statusbar is created, because
+ // its client area might change
+ wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
+ if ( frame )
+ {
+ frame->SendSizeEvent();
+ }
+
+ return true;
}
-void wxStatusBar95::CopyFieldsWidth(const int widths[])
+wxStatusBar95::~wxStatusBar95()
{
- if (widths && !m_statusWidths)
- m_statusWidths = new int[m_nFields];
-
- if ( widths != NULL ) {
- for ( int i = 0; i < m_nFields; i++ )
- m_statusWidths[i] = widths[i];
- }
- else {
- delete [] m_statusWidths;
- m_statusWidths = NULL;
- }
+ // we must refresh the frame size when the statusbar is deleted but the
+ // frame is not - otherwise statusbar leaves a hole in the place it used to
+ // occupy
+ wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
+ if ( frame && !frame->IsBeingDeleted() )
+ {
+ frame->SendSizeEvent();
+ }
}
-void wxStatusBar95::SetFieldsCount(int nFields, const int widths[])
+void wxStatusBar95::SetFieldsCount(int nFields, const int *widths)
{
- wxASSERT( (nFields > 0) && (nFields < 255) );
+ // this is a Windows limitation
+ wxASSERT_MSG( (nFields > 0) && (nFields < 255), _T("too many fields") );
- m_nFields = nFields;
+ wxStatusBarBase::SetFieldsCount(nFields, widths);
- CopyFieldsWidth(widths);
- SetFieldsWidth();
+ SetFieldsWidth();
}
void wxStatusBar95::SetStatusWidths(int n, const int widths[])
{
- // @@ I don't understand what this function is for...
- wxASSERT( n == m_nFields );
+ wxStatusBarBase::SetStatusWidths(n, widths);
- CopyFieldsWidth(widths);
- SetFieldsWidth();
+ SetFieldsWidth();
}
void wxStatusBar95::SetFieldsWidth()
{
- int *pWidths = new int[m_nFields];
-
- int nWindowWidth, y;
- GetClientSize(&nWindowWidth, &y);
-
- if ( m_statusWidths == NULL ) {
- // default: all fields have the same width
- int nWidth = nWindowWidth / m_nFields;
- for ( int i = 0; i < m_nFields; i++ )
- pWidths[i] = (i + 1) * nWidth;
- }
- else {
- // -1 doesn't mean the same thing for wxWindows and Win32, recalc
- int nTotalWidth = 0,
- nVarCount = 0,
- i;
- for ( i = 0; i < m_nFields; i++ ) {
- if ( m_statusWidths[i] == -1 )
- nVarCount++;
- else
- nTotalWidth += m_statusWidths[i];
- }
+ if ( !m_nFields )
+ return;
- if ( nVarCount == 0 ) {
- // wrong! at least one field must be of variable width
- wxFAIL;
+ int aBorders[3];
+ SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
- nVarCount++;
- }
+ int extraWidth = aBorders[2]; // space between fields
- int nVarWidth = (nWindowWidth - nTotalWidth) / nVarCount;
+ wxArrayInt widthsAbs =
+ CalculateAbsWidths(GetClientSize().x - extraWidth*(m_nFields - 1));
+
+ int *pWidths = new int[m_nFields];
- // do fill the array
int nCurPos = 0;
- for ( i = 0; i < m_nFields; i++ ) {
- if ( m_statusWidths[i] == -1 )
- nCurPos += nVarWidth;
- else
- nCurPos += m_statusWidths[i];
- pWidths[i] = nCurPos;
+ for ( int i = 0; i < m_nFields; i++ ) {
+ nCurPos += widthsAbs[i] + extraWidth;
+ pWidths[i] = nCurPos;
}
- }
- if ( !StatusBar_SetParts(hwnd, m_nFields, pWidths) ) {
- wxLogLastError(wxT("StatusBar_SetParts"));
- }
+ if ( !StatusBar_SetParts(GetHwnd(), m_nFields, pWidths) ) {
+ wxLogLastError(wxT("StatusBar_SetParts"));
+ }
- delete [] pWidths;
+ delete [] pWidths;
}
void wxStatusBar95::SetStatusText(const wxString& strText, int nField)
{
- if ( !StatusBar_SetText(hwnd, nField, strText) ) {
- wxLogLastError(wxT("StatusBar_SetText"));
- }
+ wxCHECK_RET( (nField >= 0) && (nField < m_nFields),
+ _T("invalid statusbar field index") );
+
+ // Get field style, if any
+ int style;
+ if (m_statusStyles)
+ {
+ switch(m_statusStyles[nField])
+ {
+ case wxSB_RAISED:
+ style = SBT_POPOUT;
+ break;
+ case wxSB_FLAT:
+ style = SBT_NOBORDERS;
+ break;
+ case wxSB_NORMAL:
+ default:
+ style = 0;
+ break;
+ }
+ }
+ else
+ style = 0;
+
+ // Pass both field number and style. MSDN library doesn't mention
+ // that nField and style have to be 'ORed'
+ if ( !StatusBar_SetText(GetHwnd(), nField | style, strText) )
+ {
+ wxLogLastError(wxT("StatusBar_SetText"));
+ }
}
wxString wxStatusBar95::GetStatusText(int nField) const
{
- wxASSERT( (nField > -1) && (nField < m_nFields) );
-
- wxString str(wxT(""));
- int len = StatusBar_GetTextLen(hwnd, nField);
- if (len > 0)
- {
- StatusBar_GetText(hwnd, nField, str.GetWriteBuf(len));
- str.UngetWriteBuf();
- }
- return str;
+ wxCHECK_MSG( (nField >= 0) && (nField < m_nFields), wxEmptyString,
+ _T("invalid statusbar field index") );
+
+ wxString str;
+ int len = StatusBar_GetTextLen(GetHwnd(), nField);
+ if ( len > 0 )
+ {
+ StatusBar_GetText(GetHwnd(), nField, wxStringBuffer(str, len));
+ }
+
+ return str;
+}
+
+int wxStatusBar95::GetBorderX() const
+{
+ int aBorders[3];
+ SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+
+ return aBorders[0];
+}
+
+int wxStatusBar95::GetBorderY() const
+{
+ int aBorders[3];
+ SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders);
+
+ return aBorders[1];
+}
+
+void wxStatusBar95::SetMinHeight(int height)
+{
+ SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0);
+
+ // have to send a (dummy) WM_SIZE to redraw it now
+ SendMessage(GetHwnd(), WM_SIZE, 0, 0);
}
-void wxStatusBar95::OnSize(wxSizeEvent& event)
+bool wxStatusBar95::GetFieldRect(int i, wxRect& rect) const
{
- FORWARD_WM_SIZE(hwnd, SIZE_RESTORED, event.GetSize().x, event.GetSize().y,
- SendMessage);
+ wxCHECK_MSG( (i >= 0) && (i < m_nFields), false,
+ _T("invalid statusbar field index") );
+
+ RECT r;
+ if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) )
+ {
+ wxLogLastError(wxT("SendMessage(SB_GETRECT)"));
+ }
+
+ wxCopyRECTToRect(r, rect);
+
+ return true;
+}
- // adjust fields widths to the new size
- SetFieldsWidth();
+void wxStatusBar95::DoMoveWindow(int x, int y, int width, int height)
+{
+ // the status bar wnd proc must be forwarded the WM_SIZE message whenever
+ // the stat bar position/size is changed because it normally positions the
+ // control itself along bottom or top side of the parent window - failing
+ // to do so will result in nasty visual effects
+ FORWARD_WM_SIZE(GetHwnd(), SIZE_RESTORED, x, y, SendMessage);
+
+ // but now, when the standard status bar wnd proc did all it wanted to do,
+ // move the status bar to its correct location - usually this call may be
+ // omitted because for normal status bars (positioned along the bottom
+ // edge) the position is already set correctly, but if the user wants to
+ // position them in some exotic location, this is really needed
+ wxWindowMSW::DoMoveWindow(x, y, width, height);
+
+ // adjust fields widths to the new size
+ SetFieldsWidth();
+
+ // we have to trigger wxSizeEvent if there are children window in status
+ // bar because GetFieldRect returned incorrect (not updated) values up to
+ // here, which almost certainly resulted in incorrectly redrawn statusbar
+ if ( m_children.GetCount() > 0 )
+ {
+ wxSizeEvent event(GetClientSize(), m_windowId);
+ event.SetEventObject(this);
+ GetEventHandler()->ProcessEvent(event);
+ }
+}
+
+void wxStatusBar95::SetStatusStyles(int n, const int styles[])
+{
+ wxStatusBarBase::SetStatusStyles(n, styles);
+
+ if (n != m_nFields)
+ return;
+
+ for (int i = 0; i < n; i++)
+ {
+ int style;
+ switch(styles[i])
+ {
+ case wxSB_RAISED:
+ style = SBT_POPOUT;
+ break;
+ case wxSB_FLAT:
+ style = SBT_NOBORDERS;
+ break;
+ case wxSB_NORMAL:
+ default:
+ style = 0;
+ break;
+ }
+ // The SB_SETTEXT message is both used to set the field's text as well as
+ // the fields' styles. MSDN library doesn't mention
+ // that nField and style have to be 'ORed'
+ wxString text = GetStatusText(i);
+ if (!StatusBar_SetText(GetHwnd(), style | i, text))
+ {
+ wxLogLastError(wxT("StatusBar_SetText"));
+ }
+ }
}
-#endif // wxUSE_NATIVE_STATUSBAR
+#endif // __WIN95__ && wxUSE_NATIVE_STATUSBAR
-#else
- #error "wxStatusBar95 is only available under Windows 95 and later."
-#endif // __WIN95__
-
projects / wxWidgets.git / blobdiff