X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1f11220943f14b4bb5190db0dfd0054304f5015c..a06066343d670807825adcafebfa4fb8cfff5521:/src/msw/combobox.cpp?ds=sidebyside diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp index ab5eb3ef41..f00c1297c9 100644 --- a/src/msw/combobox.cpp +++ b/src/msw/combobox.cpp @@ -20,42 +20,46 @@ #pragma hdrstop #endif +#if wxUSE_COMBOBOX + #ifndef WX_PRECOMP -#include "wx/setup.h" +#include "wx/settings.h" #endif -#if wxUSE_COMBOBOX - #include "wx/combobox.h" #include "wx/clipbrd.h" #include "wx/msw/private.h" -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) -#endif bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) { - if (param == CBN_SELCHANGE) - { - wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, m_windowId); - event.SetInt(GetSelection()); - event.SetEventObject(this); - event.SetString(copystring(GetStringSelection())); - ProcessCommand(event); - delete[] event.GetString(); - return TRUE; - } - else if (param == CBN_EDITCHANGE) - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId); - event.SetString(copystring(GetValue())); - event.SetEventObject(this); - ProcessCommand(event); - delete[] event.GetString(); - return TRUE; - } - else return FALSE; + switch ( param ) + { + case CBN_SELCHANGE: + if (GetSelection() > -1) + { + wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_SELECTED, GetId()); + event.SetInt(GetSelection()); + event.SetEventObject(this); + event.SetString(GetStringSelection()); + ProcessCommand(event); + } + break; + + case CBN_EDITCHANGE: + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId()); + event.SetString(GetValue()); + event.SetEventObject(this); + ProcessCommand(event); + } + break; + } + + // there is no return value for the CBN_ notifications, so always return + // FALSE from here to pass the message to DefWindowProc() + return FALSE; } bool wxComboBox::Create(wxWindow *parent, wxWindowID id, @@ -68,11 +72,17 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, const wxString& name) { SetName(name); +#if wxUSE_VALIDATORS SetValidator(validator); +#endif // wxUSE_VALIDATORS if (parent) parent->AddChild(this); - SetBackgroundColour(parent->GetBackgroundColour()) ; +// SetBackgroundColour(parent->GetBackgroundColour()) ; + + // 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)); + SetForegroundColour(parent->GetForegroundColour()) ; - m_noStrings = n; m_windowStyle = style; @@ -86,8 +96,8 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, int width = size.x; int height = size.y; - long msStyle = WS_CHILD | WS_HSCROLL | WS_VSCROLL | - WS_TABSTOP | WS_VISIBLE | CBS_NOINTEGRALHEIGHT; + long msStyle = WS_CHILD | WS_TABSTOP | WS_VISIBLE | + WS_VSCROLL | WS_HSCROLL | CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT; if (m_windowStyle & wxCB_READONLY) msStyle |= CBS_DROPDOWNLIST; @@ -107,12 +117,12 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, if ( want3D || wxStyleHasBorder(m_windowStyle) ) msStyle |= WS_BORDER; - m_hWnd = (WXHWND)::CreateWindowEx(exStyle, "COMBOBOX", NULL, + m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("COMBOBOX"), NULL, msStyle, 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL); - wxCHECK_MSG( m_hWnd, FALSE, "Failed to create combobox" ); + wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create combobox") ); /* #if wxUSE_CTL3D @@ -145,11 +155,6 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id, return TRUE; } -wxString wxComboBox::GetValue() const -{ - return wxGetWindowText(GetHWND()); -} - void wxComboBox::SetValue(const wxString& value) { // If newlines are denoted by just 10, must stick 13 in front. @@ -163,7 +168,7 @@ void wxComboBox::SetValue(const wxString& value) } if (singletons > 0) { - char *tmp = new char[len + singletons + 1]; + wxChar *tmp = new wxChar[len + singletons + 1]; int j = 0; for (i = 0; i < len; i ++) { @@ -176,43 +181,43 @@ void wxComboBox::SetValue(const wxString& value) j ++; } tmp[j] = 0; - SetWindowText((HWND) GetHWND(), tmp); + SetWindowText(GetHwnd(), tmp); delete[] tmp; } else - SetWindowText((HWND) GetHWND(), (const char *)value); + SetWindowText(GetHwnd(), value); } // Clipboard operations void wxComboBox::Copy() { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); SendMessage(hWnd, WM_COPY, 0, 0L); } void wxComboBox::Cut() { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); SendMessage(hWnd, WM_CUT, 0, 0L); } void wxComboBox::Paste() { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); SendMessage(hWnd, WM_PASTE, 0, 0L); } void wxComboBox::SetEditable(bool editable) { // Can't implement in MSW? -// HWND hWnd = (HWND) GetHWND(); +// HWND hWnd = GetHwnd(); // SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L); } void wxComboBox::SetInsertionPoint(long pos) { /* - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); #ifdef __WIN32__ SendMessage(hWnd, EM_SETSEL, pos, pos); SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); @@ -235,7 +240,7 @@ void wxComboBox::SetInsertionPointEnd() long wxComboBox::GetInsertionPoint() const { /* - DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L); + DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L); return Pos&0xFFFF; */ return 0; @@ -244,14 +249,14 @@ long wxComboBox::GetInsertionPoint() const long wxComboBox::GetLastPosition() const { /* - HWND hWnd = (HWND) GetHWND(); + 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); - + // Get number of characters in the last 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); @@ -264,10 +269,10 @@ long wxComboBox::GetLastPosition() const void wxComboBox::Replace(long from, long to, const wxString& value) { #if wxUSE_CLIPBOARD - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; - + // Set selection and remove it #ifdef __WIN32__ SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); @@ -277,7 +282,7 @@ void wxComboBox::Replace(long from, long to, const wxString& value) SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0); // Now replace with 'value', by pasting. - wxSetClipboardData(wxDF_TEXT, (wxObject *)(const char *)value, 0, 0); + wxSetClipboardData(wxDF_TEXT, (wxObject *)(const wxChar *)value, 0, 0); // Paste into edit control SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L); @@ -286,10 +291,10 @@ void wxComboBox::Replace(long from, long to, const wxString& value) void wxComboBox::Remove(long from, long to) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; - + // Cut all selected text #ifdef __WIN32__ SendMessage(hWnd, CB_SETEDITSEL, fromChar, toChar); @@ -301,7 +306,7 @@ void wxComboBox::Remove(long from, long to) void wxComboBox::SetSelection(long from, long to) { - HWND hWnd = (HWND) GetHWND(); + HWND hWnd = GetHwnd(); long fromChar = from; long toChar = to; // if from and to are both -1, it means @@ -312,7 +317,7 @@ void wxComboBox::SetSelection(long from, long to) fromChar = 0; toChar = -1; } - + #ifdef __WIN32__ SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar); // SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); @@ -322,6 +327,38 @@ void wxComboBox::SetSelection(long from, long to) #endif } +void wxComboBox::DoMoveWindow(int x, int y, int width, int height) +{ + 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; + else if ( n > 10 ) + n = 10; + + height = n * 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; +} + #endif // wxUSE_COMBOBOX