X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/150e31d2088687cbfbab548f9e98918f8683d9b5..cd7800274bd120f099ae712dfd76ea69eaeeed73:/src/msw/combobox.cpp?ds=inline diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index c07ac7bee0..38ec288a72 100644 --- a/src/msw/combobox.cpp +++ b/src/msw/combobox.cpp @@ -37,6 +37,7 @@ #include "wx/textctrl.h" #endif +#include "wx/app.h" #include "wx/combobox.h" #include "wx/brush.h" #include "wx/clipbrd.h" @@ -109,9 +110,13 @@ wxBEGIN_HANDLERS_TABLE(wxComboBox) wxEND_HANDLERS_TABLE() wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size ) + #else + IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) +#endif + BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_MENU(wxID_CUT, wxComboBox::OnCut) EVT_MENU(wxID_COPY, wxComboBox::OnCopy) @@ -130,8 +135,6 @@ BEGIN_EVENT_TABLE(wxComboBox, wxControl) EVT_UPDATE_UI(wxID_SELECTALL, wxComboBox::OnUpdateSelectAll) END_EVENT_TABLE() -#endif - // ---------------------------------------------------------------------------- // function prototypes // ---------------------------------------------------------------------------- @@ -248,6 +251,7 @@ WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara m_value = wxEmptyString; else m_value = GetString(wParam); + m_selectionOld = -1; break; } @@ -267,7 +271,13 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) InitCommandEvent(event); event.SetString(GetValue()); event.SetInt(GetSelection()); - ProcessCommand(event); + if ( ProcessCommand(event) ) + { + // don't let the event through to the native control + // because it doesn't need it and may generate an annoying + // beep if it gets it + return true; + } } return HandleChar(wParam, lParam, true /* isASCII */); @@ -294,11 +304,13 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) int sel = -1; switch ( param ) { + case CBN_SELENDOK: case CBN_SELCHANGE: sel = GetSelection(); - // somehow we get 2 CBN_SELCHANGE events with the same index when - // the user selects an item in the combobox -- ignore duplicates + // we may sometimes get 2 CBN_SELCHANGE events or a CBN_SELENDOK + // before CBN_SELCHANGE with the same index when the user selects + // an item in the combobox -- ignore duplicates if ( sel > -1 && sel != m_selectionOld ) { m_selectionOld = sel; @@ -337,6 +349,7 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) if ( sel == -1 ) { m_value = wxGetWindowText(GetHwnd()); + m_selectionOld = -1; } else // we're synthesizing text updated event from sel change { @@ -445,6 +458,11 @@ WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle ); + // usually WS_TABSTOP is added by wxControl::MSWGetStyle() but as we're + // created hidden (see Create() above), it is not done for us but we still + // want to have this style + msStyle |= WS_TABSTOP; + // remove the style always added by wxChoice msStyle &= ~CBS_DROPDOWNLIST; @@ -465,6 +483,29 @@ WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const return msStyle; } +// ---------------------------------------------------------------------------- +// wxComboBox geometry +// ---------------------------------------------------------------------------- + +void +wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) +{ + // work around a Windows bug (search for "Bug in Windows Combobox" in + // Google Groups): resizing the combobox changes the selection in it + long fromOld, toOld; + GetSelection(&fromOld, &toOld); + + wxChoice::DoSetSize(x, y, width, height, sizeFlags); + + long fromNew, toNew; + GetSelection(&fromNew, &toNew); + + if ( fromOld != fromNew || toOld != toNew ) + { + SetSelection(fromOld, toOld); + } +} + // ---------------------------------------------------------------------------- // wxComboBox text control-like methods // ---------------------------------------------------------------------------- @@ -524,6 +565,9 @@ void wxComboBox::SelectAll() bool wxComboBox::CanUndo() const { + if (!IsEditable()) + return false; + HWND hEditWnd = (HWND) GetEditHWND() ; if ( hEditWnd ) return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0; @@ -533,6 +577,9 @@ bool wxComboBox::CanUndo() const bool wxComboBox::CanRedo() const { + if (!IsEditable()) + return false; + HWND hEditWnd = (HWND) GetEditHWND() ; if ( hEditWnd ) return ::SendMessage(hEditWnd, EM_CANUNDO, 0, 0) != 0; @@ -555,7 +602,7 @@ bool wxComboBox::CanCopy() const bool wxComboBox::CanCut() const { - return CanCopy() && IsEditable(); + return IsEditable() && CanCopy() ; } bool wxComboBox::CanPaste() const @@ -609,30 +656,29 @@ void wxComboBox::SetInsertionPointEnd() // setting insertion point doesn't make sense for read only comboboxes if ( !(GetWindowStyle() & wxCB_READONLY) ) { - long pos = GetLastPosition(); + wxTextPos pos = GetLastPosition(); SetInsertionPoint(pos); } } long wxComboBox::GetInsertionPoint() const { -#ifdef __WIN32__ - DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L); - return Pos&0xFFFF; -#else - return 0; -#endif + // CB_GETEDITSEL returns the index of the last character after selection in + // its high-order word + DWORD pos= (DWORD)::SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L); + + return HIWORD(pos); } -long wxComboBox::GetLastPosition() const +wxTextPos wxComboBox::GetLastPosition() const { HWND hEditWnd = (HWND) GetEditHWND(); // Get number of characters in the last (only) line. We'll add this to the character // index for the last line, 1st position. - int lineLength = (int)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L); + wxTextPos lineLength = (wxTextPos)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L); - return (long)(lineLength); + return lineLength; } void wxComboBox::Replace(long from, long to, const wxString& value) @@ -657,19 +703,15 @@ void wxComboBox::Remove(long from, long to) void wxComboBox::SetSelection(long from, long to) { - HWND hWnd = GetHwnd(); - long fromChar = from; - long toChar = to; - // if from and to are both -1, it means - // (in wxWidgets) that all text should be selected. - // This translates into Windows convention - if ((from == -1) && (to == -1)) + // if from and to are both -1, it means (in wxWidgets) that all text should + // be selected, translate this into Windows convention + if ( (from == -1) && (to == -1) ) { - fromChar = 0; - toChar = -1; + from = 0; } - if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR ) + if ( SendMessage(GetHwnd(), CB_SETEDITSEL, + 0, (LPARAM)MAKELONG(from, to)) == CB_ERR ) { wxLogDebug(_T("CB_SETEDITSEL failed")); } @@ -678,15 +720,22 @@ void wxComboBox::SetSelection(long from, long to) void wxComboBox::GetSelection(long* from, long* to) const { DWORD dwStart, dwEnd; - ::SendMessage(GetHwnd(), CB_GETEDITSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); - - *from = dwStart; - *to = dwEnd; + if ( ::SendMessage(GetHwnd(), CB_GETEDITSEL, + (WPARAM)&dwStart, (LPARAM)&dwEnd) == CB_ERR ) + { + *from = + *to = 0; + } + else + { + *from = dwStart; + *to = dwEnd; + } } int wxComboBox::GetSelection() const -{ - return wxChoice::GetSelection(); +{ + return wxChoice::GetSelection(); } // ----------------------------------------------------------------------------