X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1c83cdc9205a794ff86be710bd8ab65951990a67..656fc51cda91ea40154358a6adcd85ded506812a:/src/msw/statbr95.cpp diff --git a/src/msw/statbr95.cpp b/src/msw/statbr95.cpp index 8a0063d0b1..4843ea05a6 100644 --- a/src/msw/statbr95.cpp +++ b/src/msw/statbr95.cpp @@ -2,7 +2,7 @@ // 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 @@ -27,27 +27,25 @@ #include "wx/dcclient.h" #endif -#ifdef __WIN95__ +#if 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 -#if !defined(__GNUWIN32__) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS) -#include +#if !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) + #include #endif -#if wxUSE_NATIVE_STATUSBAR - - IMPLEMENT_DYNAMIC_CLASS(wxStatusBar95, wxStatusBar); - - BEGIN_EVENT_TABLE(wxStatusBar95, wxStatusBar) - EVT_SIZE(wxStatusBar95::OnSize) - END_EVENT_TABLE() +// ---------------------------------------------------------------------------- +// wxWindows macros +// ---------------------------------------------------------------------------- +IMPLEMENT_DYNAMIC_CLASS(wxStatusBar95, wxWindow); +IMPLEMENT_DYNAMIC_CLASS(wxStatusBar, wxStatusBar95) // ---------------------------------------------------------------------------- // macros @@ -59,7 +57,40 @@ #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) +// ---------------------------------------------------------------------------- +// +// ---------------------------------------------------------------------------- + +// static WNDPROC gs_wndprocStatBar = NULL; +static WXFARPROC gs_wndprocStatBar = (WXFARPROC) NULL; + +LRESULT APIENTRY wxStatusBarProc(HWND hwnd, + UINT message, + WPARAM wParam, + LPARAM lParam) +{ + switch (message) { + case WM_COMMAND: + case WM_DRAWITEM: + case WM_MEASUREITEM: + case WM_SIZE: + case WM_MOVE: + case WM_MOUSEMOVE: + case WM_LBUTTONUP: + case WM_LBUTTONDBLCLK: + case WM_RBUTTONDOWN: + case WM_RBUTTONUP: + case WM_RBUTTONDBLCLK: + case WM_MBUTTONDOWN: + case WM_MBUTTONUP: + case WM_MBUTTONDBLCLK: + wxStatusBar95 *sb = (wxStatusBar95 *)GetWindowLong(hwnd, GWL_USERDATA); + sb->MSWWindowProc(message, wParam, lParam); + break; + } + + return ::CallWindowProc(CASTWNDPROC gs_wndprocStatBar, hwnd, message, wParam, lParam); +} // ============================================================================ // implementation @@ -76,37 +107,68 @@ wxStatusBar95::wxStatusBar95() 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; - } + SetName(name); + SetWindowStyleFlag(style); + SetParent(parent); - // this doesn't work: display problems (white 1-2 pixel borders...) - // SubclassWin(m_hWnd); + parent->AddChild(this); - return TRUE; + m_windowId = id == -1 ? NewControlId() : id; + + DWORD wstyle = WS_CHILD | WS_VISIBLE /* | 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 + { + // may be some versions of comctl32.dll do need it - anyhow, it won't + // do any harm + wstyle |= SBARS_SIZEGRIP; + } + + 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); + + // we can't subclass this window as usual because the status bar window + // proc processes WM_SIZE and WM_PAINT specially + // SubclassWin(m_hWnd); + + // but we want to process the messages from it still, so do custom + // subclassing here + gs_wndprocStatBar = (WXFARPROC)GetWindowLong(GetHwnd(), GWL_WNDPROC); + SetWindowLong(GetHwnd(), GWL_WNDPROC, (LONG)wxStatusBarProc); + SetWindowLong(GetHwnd(), GWL_USERDATA, (LONG)this); + + return TRUE; +} + +wxStatusBar95::~wxStatusBar95() +{ + delete [] m_statusWidths; } void wxStatusBar95::CopyFieldsWidth(const int widths[]) @@ -124,23 +186,23 @@ void wxStatusBar95::CopyFieldsWidth(const int widths[]) } } -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; + m_nFields = nFields; - CopyFieldsWidth(widths); - SetFieldsWidth(); + CopyFieldsWidth(widths); + SetFieldsWidth(); } void wxStatusBar95::SetStatusWidths(int n, const int widths[]) { - // @@ I don't understand what this function is for... - wxASSERT( n == m_nFields ); + wxASSERT_MSG( n == m_nFields, _T("field number mismatch") ); - CopyFieldsWidth(widths); - SetFieldsWidth(); + CopyFieldsWidth(widths); + SetFieldsWidth(); } void wxStatusBar95::SetFieldsWidth() @@ -148,89 +210,143 @@ void wxStatusBar95::SetFieldsWidth() if ( !m_nFields ) return; - int *pWidths = new int[m_nFields]; + int aBorders[3]; + SendMessage(GetHwnd(), SB_GETBORDERS, 0, (LPARAM)aBorders); - int nWindowWidth, y; - GetClientSize(&nWindowWidth, &y); + int extraWidth = aBorders[2]; // space between fields - 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]; - } + int *pWidths = new int[m_nFields]; - if ( nVarCount == 0 ) { - // wrong! at least one field must be of variable width - wxFAIL; + int nWindowWidth, y; + GetClientSize(&nWindowWidth, &y); - nVarCount++; + 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; } - - int nVarWidth = (nWindowWidth - nTotalWidth) / nVarCount; - - // 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; + 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] + extraWidth; + } + + if ( nVarCount == 0 ) { + wxFAIL_MSG( _T("at least one field must be of variable width") ); + + nVarCount++; + } + + int nVarWidth = (nWindowWidth - nTotalWidth) / nVarCount; + + // 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] + 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) ) { + wxCHECK_RET( (nField >= 0) && (nField < m_nFields), + _T("invalid statusbar field index") ); + + if ( !StatusBar_SetText(GetHwnd(), nField, strText) ) { wxLogLastError(wxT("StatusBar_SetText")); } } wxString wxStatusBar95::GetStatusText(int nField) const { - wxASSERT( (nField > -1) && (nField < m_nFields) ); + wxCHECK_MSG( (nField >= 0) && (nField < m_nFields), wxEmptyString, + _T("invalid statusbar field index") ); - wxString str(wxT("")); - int len = StatusBar_GetTextLen(hwnd, nField); + wxString str; + int len = StatusBar_GetTextLen(GetHwnd(), nField); if (len > 0) { - StatusBar_GetText(hwnd, nField, str.GetWriteBuf(len)); - str.UngetWriteBuf(); + StatusBar_GetText(GetHwnd(), nField, str.GetWriteBuf(len)); + str.UngetWriteBuf(); } return str; } -void wxStatusBar95::OnSize(wxSizeEvent& event) +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) { - FORWARD_WM_SIZE(hwnd, SIZE_RESTORED, event.GetSize().x, event.GetSize().y, - SendMessage); + 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); +} - // adjust fields widths to the new size - SetFieldsWidth(); +bool wxStatusBar95::GetFieldRect(int i, wxRect& rect) const +{ + 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; +} + +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 + wxWindow::DoMoveWindow(x, y, width, height); + + // adjust fields widths to the new size + SetFieldsWidth(); } -#endif // wxUSE_NATIVE_STATUSBAR +#endif // __WIN95__ && wxUSE_NATIVE_STATUSBAR -#else - #error "wxStatusBar95 is only available under Windows 95 and later." -#endif // __WIN95__ -