X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f68586e51b20dccee3fd5645aeaca7cc8ff298c2..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/msw/checkbox.cpp?ds=sidebyside diff --git a/src/msw/checkbox.cpp b/src/msw/checkbox.cpp index 8b7ba211b9..6b8963443a 100644 --- a/src/msw/checkbox.cpp +++ b/src/msw/checkbox.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: checkbox.cpp +// Name: src/msw/checkbox.cpp // Purpose: wxCheckBox // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "checkbox.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,249 +24,480 @@ #pragma hdrstop #endif +#if wxUSE_CHECKBOX + +#include "wx/checkbox.h" + #ifndef WX_PRECOMP - #include "wx/checkbox.h" #include "wx/brush.h" + #include "wx/dcclient.h" + #include "wx/dcscreen.h" + #include "wx/settings.h" #endif -#include "wx/msw/private.h" +#include "wx/msw/dc.h" // for wxDCTemp +#include "wx/renderer.h" +#include "wx/msw/uxtheme.h" +#include "wx/msw/private/button.h" +#include "wx/msw/missing.h" // ---------------------------------------------------------------------------- -// macros +// constants // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl) - IMPLEMENT_DYNAMIC_CLASS(wxBitmapCheckBox, wxCheckBox) +#ifndef BP_CHECKBOX + #define BP_CHECKBOX 3 #endif +// these values are defined in tmschema.h (except the first one) +enum +{ + CBS_INVALID, + CBS_UNCHECKEDNORMAL, + CBS_UNCHECKEDHOT, + CBS_UNCHECKEDPRESSED, + CBS_UNCHECKEDDISABLED, + CBS_CHECKEDNORMAL, + CBS_CHECKEDHOT, + CBS_CHECKEDPRESSED, + CBS_CHECKEDDISABLED, + CBS_MIXEDNORMAL, + CBS_MIXEDHOT, + CBS_MIXEDPRESSED, + CBS_MIXEDDISABLED +}; + +// these are our own +enum +{ + CBS_HOT_OFFSET = 1, + CBS_PRESSED_OFFSET = 2, + CBS_DISABLED_OFFSET = 3 +}; + // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- -// wxCheckBox +// wxCheckBox creation // ---------------------------------------------------------------------------- -bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) +void wxCheckBox::Init() { - wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId); - event.SetInt(GetValue()); - event.SetEventObject(this); - ProcessCommand(event); - return TRUE; + m_state = wxCHK_UNCHECKED; + m_isPressed = + m_isHot = false; } -// Single check box item -bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) +bool wxCheckBox::Create(wxWindow *parent, + wxWindowID id, + const wxString& label, + const wxPoint& pos, + const wxSize& size, long style, + const wxValidator& validator, + const wxString& name) { - SetName(name); - SetValidator(validator); - if (parent) parent->AddChild(this); + Init(); - SetBackgroundColour(parent->GetBackgroundColour()) ; - SetForegroundColour(parent->GetForegroundColour()) ; + WXValidateStyle(&style); + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; - m_windowStyle = style; + WXDWORD exstyle; + WXDWORD msStyle = MSWGetStyle(style, &exstyle); - wxString Label = label; - if (Label == wxT("")) - Label = wxT(" "); // Apparently needed or checkbox won't show + msStyle |= wxMSWButton::GetMultilineStyle(label); - if ( id == -1 ) - m_windowId = NewControlId(); - else - m_windowId = id; + return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, exstyle); +} + +WXDWORD wxCheckBox::MSWGetStyle(long style, WXDWORD *exstyle) const +{ + // buttons never have an external border, they draw their own one + WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle); - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + if ( style & wxCHK_3STATE ) + msStyle |= BS_3STATE; + else + msStyle |= BS_CHECKBOX; - long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP | WS_CHILD | WS_VISIBLE; if ( style & wxALIGN_RIGHT ) - msStyle |= BS_LEFTTEXT; - - // We perhaps have different concepts of 3D here - a 3D border, - // versus a 3D button. - // So we only wish to give a border if this is specified - // in the style. - bool want3D; - WXDWORD exStyle = Determine3DEffects(0, &want3D) ; - - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - /* - if ( want3D || wxStyleHasBorder(m_windowStyle) ) - msStyle |= WS_BORDER; - */ - - m_hWnd = (WXHWND)CreateWindowEx(exStyle, wxT("BUTTON"), Label, - msStyle, - 0, 0, 0, 0, - (HWND)parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - -#if wxUSE_CTL3D - if (want3D) { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; + msStyle |= BS_LEFTTEXT | BS_RIGHT; } -#endif - - // Subclass again for purposes of dialog editing mode - SubclassWin(m_hWnd); - SetFont(parent->GetFont()); - - SetSize(x, y, width, height); - - return TRUE; + return msStyle; } -void wxCheckBox::SetLabel(const wxString& label) -{ - SetWindowText(GetHwnd(), label); -} +// ---------------------------------------------------------------------------- +// wxCheckBox geometry +// ---------------------------------------------------------------------------- -wxSize wxCheckBox::DoGetBestSize() const +wxSize wxCheckBox::DoGetBestClientSize() const { - int wCheckbox, hCheckbox; + static int s_checkSize = 0; + + if ( !s_checkSize ) + { + wxScreenDC dc; + dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + + s_checkSize = dc.GetCharHeight(); + } wxString str = wxGetWindowText(GetHWND()); - if ( !str.IsEmpty() ) + int wCheckbox, hCheckbox; + if ( !str.empty() ) { - GetTextExtent(str, &wCheckbox, &hCheckbox); - wCheckbox += RADIO_SIZE; - - if ( hCheckbox < RADIO_SIZE ) - hCheckbox = RADIO_SIZE; + wxClientDC dc(const_cast(this)); + dc.SetFont(GetFont()); + dc.GetMultiLineTextExtent(GetLabelText(str), &wCheckbox, &hCheckbox); + wCheckbox += s_checkSize + GetCharWidth(); + + if ( ::GetWindowLong(GetHwnd(), GWL_STYLE) & BS_MULTILINE ) + { + // We need to make the checkbox even wider in this case because + // otherwise it wraps lines automatically and not only on "\n"s as + // we need and this makes the size computed here wrong resulting in + // checkbox contents being truncated when it's actually displayed. + // Without this hack simple checkbox with "Some thing\n and more" + // label appears on 3 lines, not 2, under Windows 2003 using + // classic look and feel (although it works fine under Windows 7, + // with or without themes). + wCheckbox += s_checkSize; + } + + if ( hCheckbox < s_checkSize ) + hCheckbox = s_checkSize; } else { - wCheckbox = RADIO_SIZE; - hCheckbox = RADIO_SIZE; + wCheckbox = s_checkSize; + hCheckbox = s_checkSize; } +#ifdef __WXWINCE__ + hCheckbox += 1; +#endif - return wxSize(wCheckbox, hCheckbox); + wxSize best(wCheckbox, hCheckbox); + CacheBestSize(best); + return best; } -void wxCheckBox::SetValue(bool val) +// ---------------------------------------------------------------------------- +// wxCheckBox operations +// ---------------------------------------------------------------------------- + +void wxCheckBox::SetLabel(const wxString& label) { - SendMessage(GetHwnd(), BM_SETCHECK, val, 0); + wxMSWButton::UpdateMultilineStyle(GetHwnd(), label); + + wxCheckBoxBase::SetLabel(label); } -#ifndef BST_CHECKED -#define BST_CHECKED 0x0001 -#endif +void wxCheckBox::SetValue(bool val) +{ + Set3StateValue(val ? wxCHK_CHECKED : wxCHK_UNCHECKED); +} bool wxCheckBox::GetValue() const { -#ifdef __WIN32__ - return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) == BST_CHECKED); -#else - return ((0x003 & SendMessage(GetHwnd(), BM_GETCHECK, 0, 0)) == 0x003); -#endif + return Get3StateValue() != wxCHK_UNCHECKED; } -WXHBRUSH wxCheckBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor, - WXUINT message, WXWPARAM wParam, WXLPARAM lParam) +void wxCheckBox::Command(wxCommandEvent& event) { -#if wxUSE_CTL3D - if ( m_useCtl3D ) - { - HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam); + int state = event.GetInt(); + wxCHECK_RET( (state == wxCHK_UNCHECKED) || (state == wxCHK_CHECKED) + || (state == wxCHK_UNDETERMINED), + wxT("event.GetInt() returned an invalid checkbox state") ); - return (WXHBRUSH) hbrush; - } -#endif - - if (GetParent()->GetTransparentBackground()) - SetBkMode((HDC) pDC, TRANSPARENT); - else - SetBkMode((HDC) pDC, OPAQUE); + Set3StateValue((wxCheckBoxState) state); + ProcessCommand(event); +} - ::SetBkColor((HDC) pDC, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue())); - ::SetTextColor((HDC) pDC, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue())); +wxCOMPILE_TIME_ASSERT(wxCHK_UNCHECKED == BST_UNCHECKED + && wxCHK_CHECKED == BST_CHECKED + && wxCHK_UNDETERMINED == BST_INDETERMINATE, EnumValuesIncorrect); - wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID); +void wxCheckBox::DoSet3StateValue(wxCheckBoxState state) +{ + m_state = state; + if ( !IsOwnerDrawn() ) + ::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM) state, 0); + else // owner drawn buttons don't react to this message + Refresh(); +} - // Note that this will be cleaned up in wxApp::OnIdle, if backgroundBrush - // has a zero usage count. -// backgroundBrush->RealizeResource(); - return (WXHBRUSH) backgroundBrush->GetResourceHandle(); +wxCheckBoxState wxCheckBox::DoGet3StateValue() const +{ + return m_state; } -void wxCheckBox::Command (wxCommandEvent & event) +bool wxCheckBox::MSWCommand(WXUINT cmd, WXWORD WXUNUSED(id)) { - SetValue ((event.GetInt() != 0)); - ProcessCommand (event); + if ( cmd != BN_CLICKED && cmd != BN_DBLCLK ) + return false; + + // first update the value so that user event handler gets the new checkbox + // value + + // ownerdrawn buttons don't manage their state themselves unlike usual + // auto checkboxes so do it ourselves in any case + wxCheckBoxState state; + if ( Is3rdStateAllowedForUser() ) + { + state = (wxCheckBoxState)((m_state + 1) % 3); + } + else // 2 state checkbox (at least from users point of view) + { + // note that wxCHK_UNDETERMINED also becomes unchecked when clicked + state = m_state == wxCHK_UNCHECKED ? wxCHK_CHECKED : wxCHK_UNCHECKED; + } + + DoSet3StateValue(state); + + + // generate the event + wxCommandEvent event(wxEVT_CHECKBOX, m_windowId); + + event.SetInt(state); + event.SetEventObject(this); + ProcessCommand(event); + + return true; } // ---------------------------------------------------------------------------- -// wxBitmapCheckBox +// owner drawn checkboxes stuff // ---------------------------------------------------------------------------- -bool wxBitmapCheckBox::Create(wxWindow *parent, wxWindowID id, const wxBitmap *label, - const wxPoint& pos, - const wxSize& size, long style, - const wxValidator& validator, - const wxString& name) +bool wxCheckBox::SetForegroundColour(const wxColour& colour) { - SetName(name); - SetValidator(validator); - if (parent) parent->AddChild(this); - - SetBackgroundColour(parent->GetBackgroundColour()) ; - SetForegroundColour(parent->GetForegroundColour()) ; - m_windowStyle = style; - - if ( id == -1 ) - m_windowId = NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - checkWidth = -1 ; - checkHeight = -1 ; - long msStyle = CHECK_FLAGS; - - HWND wx_button = CreateWindowEx(MakeExtendedStyle(m_windowStyle), CHECK_CLASS, wxT("toggle"), - msStyle, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - -#if wxUSE_CTL3D - if (!(GetParent()->GetWindowStyleFlag() & wxUSER_COLOURS)) - { - Ctl3dSubclassCtl(wx_button); - m_useCtl3D = TRUE; - } -#endif + if ( !wxCheckBoxBase::SetForegroundColour(colour) ) + return false; + + // the only way to change the checkbox foreground colour under Windows XP + // is to owner draw it + if ( wxUxThemeEngine::GetIfActive() ) + MSWMakeOwnerDrawn(colour.IsOk()); + + return true; +} - m_hWnd = (WXHWND)wx_button; +bool wxCheckBox::IsOwnerDrawn() const +{ + return + (::GetWindowLong(GetHwnd(), GWL_STYLE) & BS_OWNERDRAW) == BS_OWNERDRAW; +} - // Subclass again for purposes of dialog editing mode - SubclassWin((WXHWND)wx_button); +void wxCheckBox::MSWMakeOwnerDrawn(bool ownerDrawn) +{ + long style = ::GetWindowLong(GetHwnd(), GWL_STYLE); - SetSize(x, y, width, height); + // note that BS_CHECKBOX & BS_OWNERDRAW != 0 so we can't operate on + // them as on independent style bits + if ( ownerDrawn ) + { + style &= ~(BS_CHECKBOX | BS_3STATE); + style |= BS_OWNERDRAW; + + Connect(wxEVT_ENTER_WINDOW, + wxMouseEventHandler(wxCheckBox::OnMouseEnterOrLeave)); + Connect(wxEVT_LEAVE_WINDOW, + wxMouseEventHandler(wxCheckBox::OnMouseEnterOrLeave)); + Connect(wxEVT_LEFT_DOWN, wxMouseEventHandler(wxCheckBox::OnMouseLeft)); + Connect(wxEVT_LEFT_UP, wxMouseEventHandler(wxCheckBox::OnMouseLeft)); + Connect(wxEVT_SET_FOCUS, wxFocusEventHandler(wxCheckBox::OnFocus)); + Connect(wxEVT_KILL_FOCUS, wxFocusEventHandler(wxCheckBox::OnFocus)); + } + else // reset to default colour + { + style &= ~BS_OWNERDRAW; + style |= HasFlag(wxCHK_3STATE) ? BS_3STATE : BS_CHECKBOX; + + Disconnect(wxEVT_ENTER_WINDOW, + wxMouseEventHandler(wxCheckBox::OnMouseEnterOrLeave)); + Disconnect(wxEVT_LEAVE_WINDOW, + wxMouseEventHandler(wxCheckBox::OnMouseEnterOrLeave)); + Disconnect(wxEVT_LEFT_DOWN, wxMouseEventHandler(wxCheckBox::OnMouseLeft)); + Disconnect(wxEVT_LEFT_UP, wxMouseEventHandler(wxCheckBox::OnMouseLeft)); + Disconnect(wxEVT_SET_FOCUS, wxFocusEventHandler(wxCheckBox::OnFocus)); + Disconnect(wxEVT_KILL_FOCUS, wxFocusEventHandler(wxCheckBox::OnFocus)); + } - ShowWindow(wx_button, SW_SHOW); + ::SetWindowLong(GetHwnd(), GWL_STYLE, style); - return TRUE; + if ( !ownerDrawn ) + { + // ensure that controls state is consistent with internal state + DoSet3StateValue(m_state); + } } -void wxBitmapCheckBox::SetLabel(const wxBitmap& bitmap) +void wxCheckBox::OnMouseEnterOrLeave(wxMouseEvent& event) { - wxFAIL_MSG(wxT("not implemented")); + m_isHot = event.GetEventType() == wxEVT_ENTER_WINDOW; + if ( !m_isHot ) + m_isPressed = false; + + Refresh(); + + event.Skip(); } + +void wxCheckBox::OnMouseLeft(wxMouseEvent& event) +{ + // TODO: we should capture the mouse here to be notified about left up + // event but this interferes with BN_CLICKED generation so if we + // want to do this we'd need to generate them ourselves + m_isPressed = event.GetEventType() == wxEVT_LEFT_DOWN; + Refresh(); + + event.Skip(); +} + +void wxCheckBox::OnFocus(wxFocusEvent& event) +{ + Refresh(); + + event.Skip(); +} + +bool wxCheckBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) +{ + DRAWITEMSTRUCT *dis = (DRAWITEMSTRUCT *)item; + + if ( !IsOwnerDrawn() || dis->CtlType != ODT_BUTTON ) + return wxCheckBoxBase::MSWOnDraw(item); + + // calculate the rectangles for the check mark itself and the label + HDC hdc = dis->hDC; + RECT& rect = dis->rcItem; + RECT rectCheck, + rectLabel; + rectLabel.top = rect.top + (rect.bottom - rect.top - GetBestSize().y) / 2; + rectLabel.bottom = rectLabel.top + GetBestSize().y; + const int MARGIN = 3; + const int CXMENUCHECK = ::GetSystemMetrics(SM_CXMENUCHECK); + // the space between the checkbox and the label is included in the + // check-mark bitmap + const int checkSize = wxMin(CXMENUCHECK - MARGIN, GetSize().y); + rectCheck.top = rect.top + (rect.bottom - rect.top - checkSize) / 2; + rectCheck.bottom = rectCheck.top + checkSize; + + const bool isRightAligned = HasFlag(wxALIGN_RIGHT); + if ( isRightAligned ) + { + rectLabel.right = rect.right - CXMENUCHECK; + rectLabel.left = rect.left; + + rectCheck.left = rectLabel.right + ( CXMENUCHECK + MARGIN - checkSize ) / 2; + rectCheck.right = rectCheck.left + checkSize; + } + else // normal, left-aligned checkbox + { + rectCheck.left = rect.left + ( CXMENUCHECK - MARGIN - checkSize ) / 2; + rectCheck.right = rectCheck.left + checkSize; + + rectLabel.left = rect.left + CXMENUCHECK; + rectLabel.right = rect.right; + } + + // shall we draw a focus rect? + const bool isFocused = m_isPressed || FindFocus() == this; + + + // draw the checkbox itself + wxDCTemp dc(hdc); + + int flags = 0; + if ( !IsEnabled() ) + flags |= wxCONTROL_DISABLED; + switch ( Get3StateValue() ) + { + case wxCHK_CHECKED: + flags |= wxCONTROL_CHECKED; + break; + + case wxCHK_UNDETERMINED: + flags |= wxCONTROL_PRESSED; + break; + + default: + wxFAIL_MSG( wxT("unexpected Get3StateValue() return value") ); + // fall through + + case wxCHK_UNCHECKED: + // no extra styles needed + break; + } + + if ( wxFindWindowAtPoint(wxGetMousePosition()) == this ) + flags |= wxCONTROL_CURRENT; + + wxRendererNative::Get(). + DrawCheckBox(this, dc, wxRectFromRECT(rectCheck), flags); + + // draw the text + const wxString& label = GetLabel(); + + // first we need to measure it + UINT fmt = DT_NOCLIP; + + // drawing underlying doesn't look well with focus rect (and the native + // control doesn't do it) + if ( isFocused ) + fmt |= DT_HIDEPREFIX; + if ( isRightAligned ) + fmt |= DT_RIGHT; + // TODO: also use DT_HIDEPREFIX if the system is configured so + + // we need to get the label real size first if we have to draw a focus rect + // around it + if ( isFocused ) + { + RECT oldLabelRect = rectLabel; // needed if right aligned + + if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel, + fmt | DT_CALCRECT) ) + { + wxLogLastError(wxT("DrawText(DT_CALCRECT)")); + } + + if ( isRightAligned ) + { + // move the label rect to the right + const int labelWidth = rectLabel.right - rectLabel.left; + rectLabel.right = oldLabelRect.right; + rectLabel.left = rectLabel.right - labelWidth; + } + } + + if ( !IsEnabled() ) + { + ::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT)); + } + + if ( !::DrawText(hdc, label.t_str(), label.length(), &rectLabel, fmt) ) + { + wxLogLastError(wxT("DrawText()")); + } + + // finally draw the focus + if ( isFocused ) + { + rectLabel.left--; + rectLabel.right++; + if ( !::DrawFocusRect(hdc, &rectLabel) ) + { + wxLogLastError(wxT("DrawFocusRect()")); + } + } + + return true; +} + +#endif // wxUSE_CHECKBOX