X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..76c79ff467c1af23e3cbc6201c1e6110c110b26a:/src/msw/combobox.cpp?ds=sidebyside diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index 8626a56849..aa72d70d57 100644 --- a/src/msw/combobox.cpp +++ b/src/msw/combobox.cpp @@ -25,13 +25,14 @@ #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_COMBOBOX #ifndef WX_PRECOMP -#include "wx/settings.h" + #include "wx/settings.h" + #include "wx/log.h" #endif #include "wx/combobox.h" @@ -40,7 +41,7 @@ #include "wx/msw/private.h" #if wxUSE_TOOLTIPS - #ifndef __GNUWIN32_OLD__ + #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__) #include #endif #include "wx/tooltip.h" @@ -86,10 +87,13 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, switch ( message ) { - // forward some messages to the combobox + // forward some messages to the combobox to generate the appropriate + // wxEvents from them case WM_KEYUP: case WM_KEYDOWN: case WM_CHAR: + case WM_SETFOCUS: + case WM_KILLFOCUS: { wxComboBox *combo = wxDynamicCast(win, wxComboBox); wxCHECK_MSG( combo, 0, _T("should have combo as parent") ); @@ -114,7 +118,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, #endif // 0 // deal with tooltips here -#if wxUSE_TOOLTIPS +#if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT) case WM_NOTIFY: { wxCHECK_MSG( win, 0, _T("should have a parent") ); @@ -140,10 +144,17 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd, return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam); } -WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, +WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor), +#if wxUSE_CTL3D WXUINT message, WXWPARAM wParam, - WXLPARAM lParam) + WXLPARAM lParam +#else + WXUINT WXUNUSED(message), + WXWPARAM WXUNUSED(wParam), + WXLPARAM WXUNUSED(lParam) +#endif + ) { #if wxUSE_CTL3D if ( m_useCtl3D ) @@ -162,7 +173,7 @@ WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, wxColour colBack = GetBackgroundColour(); if (!IsEnabled()) - colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE); + colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE); ::SetBkColor(hdc, wxColourToRGB(colBack)); ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour())); @@ -188,6 +199,12 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) case WM_KEYUP: return HandleKeyUp(wParam, lParam); + + case WM_SETFOCUS: + return HandleSetFocus((WXHWND)wParam); + + case WM_KILLFOCUS: + return HandleKillFocus((WXHWND)wParam); } return FALSE; @@ -195,23 +212,51 @@ bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam) bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { + wxString value; + int sel = -1; switch ( param ) { case CBN_SELCHANGE: - if (GetSelection() > -1) + sel = GetSelection(); + if ( sel > -1 ) { + value = GetString(sel); + wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); - event.SetInt(GetSelection()); + event.SetInt(sel); event.SetEventObject(this); - event.SetString(GetStringSelection()); + event.SetString(value); ProcessCommand(event); } - break; + else + { + break; + } + + // fall through: for compability with wxGTK, also send the text + // update event when the selection changes (this also seems more + // logical as the text does change) case CBN_EDITCHANGE: { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); - event.SetString(GetValue()); + + // if sel != -1, value was initialized above (and we can't use + // GetValue() here as it would return the old selection and we + // want the new one) + if ( sel == -1 ) + { + value = GetValue(); + } + else // we're synthesizing text updated event from sel change + { + // we need to do this because the user code expects + // wxComboBox::GetValue() to return the new value from + // "text updated" handler but it hadn't been updated yet + SetValue(value); + } + + event.SetString(value); event.SetEventObject(this); ProcessCommand(event); } @@ -267,15 +312,17 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, if ( style & wxCB_SORT ) msStyle |= CBS_SORT; + if ( style & wxCLIP_SIBLINGS ) + msStyle |= WS_CLIPSIBLINGS; + + // and now create the MSW control if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) ) return FALSE; - SetSize(pos.x, pos.y, size.x, size.y); - // A choice/combobox normally has a white background (or other, depending // on global settings) rather than inheriting the parent's background colour. - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); for ( int i = 0; i < n; i++ ) { @@ -287,6 +334,10 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, SetValue(value); } + // do this after appending the values to the combobox so that autosizing + // works correctly + SetSize(pos.x, pos.y, size.x, size.y); + // a (not read only) combobox is, in fact, 2 controls: the combobox itself // and an edit control inside it and if we want to catch events from this // edit control, we must subclass it as well @@ -357,7 +408,7 @@ void wxComboBox::Paste() SendMessage(hWnd, WM_PASTE, 0, 0L); } -void wxComboBox::SetEditable(bool editable) +void wxComboBox::SetEditable(bool WXUNUSED(editable)) { // Can't implement in MSW? // HWND hWnd = GetHwnd(); @@ -366,92 +417,72 @@ void wxComboBox::SetEditable(bool editable) void wxComboBox::SetInsertionPoint(long pos) { -/* - HWND hWnd = GetHwnd(); + if ( GetWindowStyle() & wxCB_READONLY ) + return; + #ifdef __WIN32__ - SendMessage(hWnd, EM_SETSEL, pos, pos); - SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); -#else - SendMessage(hWnd, EM_SETSEL, 0, MAKELPARAM(pos, pos)); -#endif - char *nothing = ""; - SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing); -*/ + HWND hWnd = GetHwnd(); + ::SendMessage(hWnd, CB_SETEDITSEL, 0, MAKELPARAM(pos, pos)); + HWND hEditWnd = (HWND) GetEditHWND() ; + if ( hEditWnd ) + { + // Scroll insertion point into view + SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); + // Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint) + SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM)_T("")); + } +#endif // __WIN32__ } void wxComboBox::SetInsertionPointEnd() { -/* - long pos = GetLastPosition(); - SetInsertionPoint(pos); -*/ + // setting insertion point doesn't make sense for read only comboboxes + if ( !(GetWindowStyle() & wxCB_READONLY) ) + { + long pos = GetLastPosition(); + SetInsertionPoint(pos); + } } long wxComboBox::GetInsertionPoint() const { -/* - DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L); - return Pos&0xFFFF; -*/ - return 0; +#ifdef __WIN32__ + DWORD Pos=(DWORD)SendMessage(GetHwnd(), CB_GETEDITSEL, 0, 0L); + return Pos&0xFFFF; +#else + return 0; +#endif } long wxComboBox::GetLastPosition() const { -/* - HWND hWnd = GetHwnd(); - - // Will always return a number > 0 (according to docs) - int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L); - - // This gets the char index for the _beginning_ of the last line - int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L); + HWND hEditWnd = (HWND) GetEditHWND(); - // Get number of characters in the last line. We'll add this to the character + // 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(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L); + int lineLength = (int)SendMessage(hEditWnd, EM_LINELENGTH, (WPARAM) 0, (LPARAM)0L); - return (long)(charIndex + lineLength); -*/ - return 0; + return (long)(lineLength); } void wxComboBox::Replace(long from, long to, const wxString& value) { #if wxUSE_CLIPBOARD - HWND hWnd = GetHwnd(); - long fromChar = from; - long toChar = to; - - // Set selection and remove it -#ifdef __WIN32__ - SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); -#else - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)); -#endif - SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); + Remove(from, to); // Now replace with 'value', by pasting. wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0); // Paste into edit control - SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L); + SendMessage(GetHwnd(), WM_PASTE, (WPARAM)0, (LPARAM)0L); #endif } void wxComboBox::Remove(long from, long to) { - HWND hWnd = GetHwnd(); - long fromChar = from; - long toChar = to; - - // Cut all selected text -#ifdef __WIN32__ - SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); -#else - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)); -#endif - SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); + // Set selection and remove it + SetSelection(from, to); + SendMessage(GetHwnd(), WM_CUT, (WPARAM)0, (LPARAM)0); } void wxComboBox::SetSelection(long from, long to) @@ -468,56 +499,16 @@ void wxComboBox::SetSelection(long from, long to) toChar = -1; } + if ( #ifdef __WIN32__ - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar); -// SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); -#else - // WPARAM is 0: selection is scrolled into view - SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)); + SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) +#else // Win16 + SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar) #endif -} - -void wxComboBox::DoMoveWindow(int x, int y, int width, int height) -{ - // here is why this is necessary: if the width is negative, the combobox - // window proc makes the window of the size width*height instead of - // interpreting height in the usual manner (meaning the height of the drop - // down list - usually the height specified in the call to MoveWindow() - // will not change the height of combo box per se) - // - // this behaviour is not documented anywhere, but this is just how it is - // here (NT 4.4) and, anyhow, the check shouldn't hurt - however without - // the check, constraints/sizers using combos may break the height - // constraint will have not at all the same value as expected - if ( width < 0 ) - return; - - int cx, cy; - wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); - - // what should the height of the drop down list be? we choose 10 items by - // default and also 10 items max (if we always use n, the list will never - // have vertical scrollbar) - int n = GetCount(); - if ( !n || (n > 10) ) - n = 10; - - height = (n + 1)* EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); - - wxControl::DoMoveWindow(x, y, width, height); -} - -wxSize wxComboBox::DoGetBestSize() const -{ - // the choice calculates the horz size correctly, but not the vertical - // component: correct it - wxSize size = wxChoice::DoGetBestSize(); - - int cx, cy; - wxGetCharSize(GetHWND(), &cx, &cy, &GetFont()); - size.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy); - - return size; + == CB_ERR ) + { + wxLogDebug(_T("CB_SETEDITSEL failed")); + } } #endif