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Add support for wxSTB_ELLIPSIZE_* and for wxSTB_SHOW_TIPS flags under wxMSW

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60388 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2009-04-26 13:37:16 +00:00
parent 6540d8d2ba
commit 6418ad5ec8
6 changed files with 245 additions and 45 deletions
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178
src/msw/statusbar.cpp
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@@ -31,6 +31,7 @@
#endif
#include "wx/msw/private.h"
#include "wx/tooltip.h"
#include <windowsx.h>
#if wxUSE_UXTHEME
@@ -71,7 +72,7 @@ bool wxStatusBar::Create(wxWindow *parent,
long style,
const wxString& name)
{
wxCHECK_MSG( parent, false, wxT("status bar must have a parent") );
wxCHECK_MSG( parent, false, "status bar must have a parent" );
SetName(name);
SetWindowStyleFlag(style);
@@ -167,11 +168,23 @@ bool wxStatusBar::SetFont(const wxFont& font)
void wxStatusBar::SetFieldsCount(int nFields, const int *widths)
{
// this is a Windows limitation
wxASSERT_MSG( (nFields > 0) && (nFields < 255), _T("too many fields") );
wxASSERT_MSG( (nFields > 0) && (nFields < 255), "too many fields" );
wxStatusBarBase::SetFieldsCount(nFields, widths);
SetFieldsWidth();
// keep in synch also our m_tooltips array
// reset all current tooltips
for (size_t i=0; i<m_tooltips.size(); i++)
{
delete m_tooltips[i];
m_tooltips[i] = NULL;
}
// shrink/expand the array:
m_tooltips.resize(m_panes.GetCount(), NULL);
}
void wxStatusBar::SetStatusWidths(int n, const int widths[])
@@ -191,33 +204,42 @@ void wxStatusBar::SetFieldsWidth()
int extraWidth = aBorders[2]; // space between fields
// distribute the available space (client width) among the various fields:
wxArrayInt widthsAbs =
CalculateAbsWidths(GetClientSize().x - extraWidth*(m_panes.GetCount() - 1));
// update the field widths in the native control:
int *pWidths = new int[m_panes.GetCount()];
int nCurPos = 0;
for ( size_t i = 0; i < m_panes.GetCount(); i++ ) {
for ( size_t i = 0; i < m_panes.GetCount(); i++ )
{
nCurPos += widthsAbs[i] + extraWidth;
pWidths[i] = nCurPos;
}
if ( !StatusBar_SetParts(GetHwnd(), m_panes.GetCount(), pWidths) ) {
wxLogLastError(wxT("StatusBar_SetParts"));
}
if ( !StatusBar_SetParts(GetHwnd(), m_panes.GetCount(), pWidths) )
wxLogLastError("StatusBar_SetParts");
delete [] pWidths;
// FIXME: we may want to call UpdateFieldText() here since we may need to (de)ellipsize status texts
}
void wxStatusBar::SetStatusText(const wxString& strText, int nField)
{
wxCHECK_RET( (nField >= 0) && ((size_t)nField < m_panes.GetCount()),
_T("invalid statusbar field index") );
"invalid statusbar field index" );
if ( strText == GetStatusText(nField) )
{
// don't call StatusBar_SetText() to avoid flicker
return;
// don't call StatusBar_SetText() to avoid flicker
return;
}
wxStatusBarBase::SetStatusText(strText, nField);
@@ -256,18 +278,69 @@ void wxStatusBar::UpdateFieldText(int nField)
else
margin = 4;
// do we need to ellipsize this string?
wxString ellipsizedStr =
wxControl::Ellipsize(GetStatusText(nField), *m_pDC,
GetLayoutDirection() == wxLayout_RightToLeft ? wxELLIPSIZE_START : wxELLIPSIZE_END,
rc.GetWidth() - margin, // leave a small margin
wxELLIPSIZE_EXPAND_TAB);
int maxWidth = rc.GetWidth() - margin; // leave a small margin
wxString text = GetStatusText(nField);
// 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, ellipsizedStr.wx_str()) )
// do we need to ellipsize this string?
wxEllipsizeMode ellmode = (wxEllipsizeMode)-1;
if (HasFlag(wxSTB_ELLIPSIZE_START)) ellmode = wxELLIPSIZE_START;
else if (HasFlag(wxSTB_ELLIPSIZE_MIDDLE)) ellmode = wxELLIPSIZE_MIDDLE;
else if (HasFlag(wxSTB_ELLIPSIZE_END)) ellmode = wxELLIPSIZE_END;
if (ellmode == (wxEllipsizeMode)-1)
{
wxLogLastError(wxT("StatusBar_SetText"));
// if we have the wxSTB_SHOW_TIPS we must set the ellipsized flag even if
// we don't ellipsize the text but just truncate it
if (HasFlag(wxSTB_SHOW_TIPS))
SetEllipsizedFlag(nField, m_pDC->GetTextExtent(text).GetWidth() > maxWidth);
}
else
{
text = wxControl::Ellipsize(text,
*m_pDC,
ellmode,
maxWidth,
wxELLIPSIZE_EXPAND_TAB);
// update the ellipsization status for this pane; this is used later to
// decide whether a tooltip should be shown or not for this pane
// (if we have wxSTB_SHOW_TIPS)
SetEllipsizedFlag(nField, text != GetStatusText(nField));
}
// Set the status text in the native control passing both field number and style.
// NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
if ( !StatusBar_SetText(GetHwnd(), nField | style, text.wx_str()) )
wxLogLastError("StatusBar_SetText");
if (HasFlag(wxSTB_SHOW_TIPS))
{
wxASSERT(m_tooltips.size() == m_panes.GetCount());
if (m_tooltips[nField])
{
if (GetField(nField).IsEllipsized())
{
// update the rect of this tooltip:
m_tooltips[nField]->SetRect(rc);
// update also the text:
m_tooltips[nField]->SetTip(GetStatusText(nField));
}
else
{
// delete the tooltip associated with this pane; it's not needed anymore
delete m_tooltips[nField];
m_tooltips[nField] = NULL;
}
}
else
{
// create a new tooltip for this pane if needed
if (GetField(nField).IsEllipsized())
m_tooltips[nField] = new wxToolTip(this, nField, GetStatusText(nField), rc);
//else: leave m_tooltips[nField]==NULL
}
}
}
@@ -291,23 +364,21 @@ void wxStatusBar::SetMinHeight(int height)
{
SendMessage(GetHwnd(), SB_SETMINHEIGHT, height + 2*GetBorderY(), 0);
// have to send a (dummy) WM_SIZE to redraw it now
// we have to send a (dummy) WM_SIZE to redraw it now
SendMessage(GetHwnd(), WM_SIZE, 0, 0);
}
bool wxStatusBar::GetFieldRect(int i, wxRect& rect) const
{
wxCHECK_MSG( (i >= 0) && ((size_t)i < m_panes.GetCount()), false,
_T("invalid statusbar field index") );
"invalid statusbar field index" );
RECT r;
if ( !::SendMessage(GetHwnd(), SB_GETRECT, i, (LPARAM)&r) )
{
wxLogLastError(wxT("SendMessage(SB_GETRECT)"));
}
wxLogLastError("SendMessage(SB_GETRECT)");
#if wxUSE_UXTHEME
wxUxThemeHandle theme((wxStatusBar *)this, L"Status"); // const_cast
wxUxThemeHandle theme(const_cast<wxStatusBar*>(this), L"Status");
if ( theme )
{
// by default Windows has a 2 pixel border to the right of the left
@@ -428,14 +499,13 @@ void wxStatusBar::SetStatusStyles(int n, const int styles[])
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'
// the fields' styles.
// NOTE: MSDN library doesn't mention that nField and style have to be 'ORed'
wxString text = GetStatusText(i);
if (!StatusBar_SetText(GetHwnd(), style | i, text.wx_str()))
{
wxLogLastError(wxT("StatusBar_SetText"));
}
wxLogLastError("StatusBar_SetText");
}
}
@@ -483,7 +553,10 @@ wxStatusBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
}
#endif
if ( nMsg == WM_SIZE )
bool needsEllipsization = HasFlag(wxSTB_ELLIPSIZE_START) ||
HasFlag(wxSTB_ELLIPSIZE_MIDDLE) ||
HasFlag(wxSTB_ELLIPSIZE_END);
if ( nMsg == WM_SIZE && needsEllipsization )
{
for (int i=0; i<GetFieldsCount(); i++)
UpdateFieldText(i);
@@ -494,4 +567,47 @@ wxStatusBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
return wxStatusBarBase::MSWWindowProc(nMsg, wParam, lParam);
}
#if wxUSE_TOOLTIPS
bool wxStatusBar::MSWProcessMessage(WXMSG* pMsg)
{
if ( HasFlag(wxSTB_SHOW_TIPS) )
{
// for a tooltip to be shown, we need to relay mouse events to it;
// this is typically done by wxWindowMSW::MSWProcessMessage but only
// if wxWindow::m_tooltip pointer is non-NULL.
// Since wxStatusBar has multiple tooltips for a single HWND, it keeps
// wxWindow::m_tooltip == NULL and then relays mouse events here:
MSG *msg = (MSG *)pMsg;
if ( msg->message == WM_MOUSEMOVE )
wxToolTip::RelayEvent(pMsg);
}
return wxWindow::MSWProcessMessage(pMsg);
}
bool wxStatusBar::MSWOnNotify(int WXUNUSED(idCtrl), WXLPARAM lParam, WXLPARAM* WXUNUSED(result));
{
if ( HasFlag(wxSTB_SHOW_TIPS) )
{
// see comment in wxStatusBar::MSWProcessMessage for more info;
// basically we need to override wxWindow::MSWOnNotify because
// we have wxWindow::m_tooltip always NULL but we still use tooltips...
NMHDR* hdr = (NMHDR *)lParam;
wxString str;
if (hdr->idFrom < m_tooltips.size() && m_tooltips[hdr->idFrom])
str = m_tooltips[hdr->idFrom]->GetTip();
if ( HandleTooltipNotify(hdr->code, lParam, str))
{
// processed
return true;
}
}
return false;
}
#endif // wxUSE_TOOLTIPS
#endif // wxUSE_STATUSBAR && wxUSE_NATIVE_STATUSBAR