X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7af99268d460c5565e5c08077b3997d4963d6fb0..032bc940fcde34cc649eaa111cd6aff1cda66104:/src/msw/checkbox.cpp?ds=inline diff --git a/src/msw/checkbox.cpp b/src/msw/checkbox.cpp index a43947cc5c..4a11fa5c46 100644 --- a/src/msw/checkbox.cpp +++ b/src/msw/checkbox.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: msw/checkbox.cpp +// Name: src/msw/checkbox.cpp // Purpose: wxCheckBox // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "checkbox.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -30,15 +26,21 @@ #if wxUSE_CHECKBOX +#include "wx/checkbox.h" + #ifndef WX_PRECOMP - #include "wx/checkbox.h" #include "wx/brush.h" #include "wx/dcscreen.h" #include "wx/settings.h" #endif +#include "wx/msw/uxtheme.h" #include "wx/msw/private.h" +// ---------------------------------------------------------------------------- +// constants +// ---------------------------------------------------------------------------- + #ifndef BST_UNCHECKED #define BST_UNCHECKED 0x0000 #endif @@ -51,6 +53,44 @@ #define BST_INDETERMINATE 0x0002 #endif +#ifndef DFCS_HOT + #define DFCS_HOT 0x1000 +#endif + +#ifndef DT_HIDEPREFIX + #define DT_HIDEPREFIX 0x00100000 +#endif + +#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 // ============================================================================ @@ -109,27 +149,14 @@ IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl) // ---------------------------------------------------------------------------- -// wxCheckBox +// wxCheckBox creation // ---------------------------------------------------------------------------- -bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id)) +void wxCheckBox::Init() { - wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId); - wxCheckBoxState state = Get3StateValue(); - - // If the style flag to allow the user setting the undetermined state - // is not set, then skip the undetermined state and set it to unchecked. - if ( state == wxCHK_UNDETERMINED && !Is3rdStateAllowedForUser() ) - { - state = wxCHK_UNCHECKED; - Set3StateValue(state); - } - - event.SetInt(state); - event.SetEventObject(this); - ProcessCommand(event); - - return true; + m_state = wxCHK_UNCHECKED; + m_isPressed = + m_isHot = false; } bool wxCheckBox::Create(wxWindow *parent, @@ -140,6 +167,8 @@ bool wxCheckBox::Create(wxWindow *parent, const wxValidator& validator, const wxString& name) { + Init(); + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) return false; @@ -147,14 +176,14 @@ bool wxCheckBox::Create(wxWindow *parent, if ( style & wxCHK_3STATE ) { - msStyle |= BS_AUTO3STATE; + msStyle |= BS_3STATE; } else { wxASSERT_MSG( !Is3rdStateAllowedForUser(), wxT("Using wxCH_ALLOW_3RD_STATE_FOR_USER") wxT(" style flag for a 2-state checkbox is useless") ); - msStyle |= BS_AUTOCHECKBOX; + msStyle |= BS_CHECKBOX; } if ( style & wxALIGN_RIGHT ) @@ -165,6 +194,9 @@ bool wxCheckBox::Create(wxWindow *parent, return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0); } +// ---------------------------------------------------------------------------- +// wxCheckBox geometry +// ---------------------------------------------------------------------------- wxSize wxCheckBox::DoGetBestSize() const { @@ -181,9 +213,9 @@ wxSize wxCheckBox::DoGetBestSize() const wxString str = wxGetWindowText(GetHWND()); int wCheckbox, hCheckbox; - if ( !str.IsEmpty() ) + if ( !str.empty() ) { - GetTextExtent(str, &wCheckbox, &hCheckbox); + GetTextExtent(GetLabelText(str), &wCheckbox, &hCheckbox); wCheckbox += s_checkSize + GetCharWidth(); if ( hCheckbox < s_checkSize ) @@ -198,29 +230,23 @@ wxSize wxCheckBox::DoGetBestSize() const hCheckbox += 1; #endif - return wxSize(wCheckbox, hCheckbox); + wxSize best(wCheckbox, hCheckbox); + CacheBestSize(best); + return best; } -WXHBRUSH wxCheckBox::MSWGetDefaultBgBrush() -{ - return ::GetStockObject(NULL_BRUSH); -} +// ---------------------------------------------------------------------------- +// wxCheckBox operations +// ---------------------------------------------------------------------------- void wxCheckBox::SetValue(bool val) { - if (val) - { - Set3StateValue(wxCHK_CHECKED); - } - else - { - Set3StateValue(wxCHK_UNCHECKED); - } + Set3StateValue(val ? wxCHK_CHECKED : wxCHK_UNCHECKED); } bool wxCheckBox::GetValue() const { - return (Get3StateValue() != 0); + return Get3StateValue() != wxCHK_UNCHECKED; } void wxCheckBox::Command(wxCommandEvent& event) @@ -240,18 +266,323 @@ wxCOMPILE_TIME_ASSERT(wxCHK_UNCHECKED == BST_UNCHECKED void wxCheckBox::DoSet3StateValue(wxCheckBoxState state) { - ::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM) state, 0); + m_state = state; + if ( !IsOwnerDrawn() ) + ::SendMessage(GetHwnd(), BM_SETCHECK, (WPARAM) state, 0); + else // owner drawn buttons don't react to this message + Refresh(); } wxCheckBoxState wxCheckBox::DoGet3StateValue() const { -#ifdef __WIN32__ - return (wxCheckBoxState) ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0); -#else - return (wxCheckBoxState) ((::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) - & 0x001) == 0x001); -#endif + return m_state; +} + +bool wxCheckBox::MSWCommand(WXUINT cmd, WXWORD WXUNUSED(id)) +{ + 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_COMMAND_CHECKBOX_CLICKED, m_windowId); + + event.SetInt(state); + event.SetEventObject(this); + ProcessCommand(event); + + return true; +} + +// ---------------------------------------------------------------------------- +// owner drawn checkboxes stuff +// ---------------------------------------------------------------------------- + +bool wxCheckBox::SetForegroundColour(const wxColour& colour) +{ + 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() ) + MakeOwnerDrawn(colour.Ok()); + + return true; +} + +bool wxCheckBox::IsOwnerDrawn() const +{ + return + (::GetWindowLong(GetHwnd(), GWL_STYLE) & BS_OWNERDRAW) == BS_OWNERDRAW; +} + +void wxCheckBox::MakeOwnerDrawn(bool ownerDrawn) +{ + long style = ::GetWindowLong(GetHwnd(), GWL_STYLE); + + // 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)); + } + + ::SetWindowLong(GetHwnd(), GWL_STYLE, style); + + if ( !ownerDrawn ) + { + // ensure that controls state is consistent with internal state + DoSet3StateValue(m_state); + } +} + +void wxCheckBox::OnMouseEnterOrLeave(wxMouseEvent& event) +{ + 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; + rectCheck.top = + rectLabel.top = rect.top; + rectCheck.bottom = + rectLabel.bottom = rect.bottom; + const int checkSize = GetBestSize().y; + const int MARGIN = 3; + + const bool isRightAligned = HasFlag(wxALIGN_RIGHT); + if ( isRightAligned ) + { + rectCheck.right = rect.right; + rectCheck.left = rectCheck.right - checkSize; + + rectLabel.right = rectCheck.left - MARGIN; + rectLabel.left = rect.left; + } + else // normal, left-aligned checkbox + { + rectCheck.left = rect.left; + rectCheck.right = rectCheck.left + checkSize; + + rectLabel.left = rectCheck.right + MARGIN; + rectLabel.right = rect.right; + } + + // show we draw a focus rect? + const bool isFocused = m_isPressed || FindFocus() == this; + + + // draw the checkbox itself: note that this should really, really be in + // wxRendererNative but unfortunately we can't add a new virtual function + // to it without breaking backwards compatibility + + // classic Win32 version -- this can be useful when we move this into + // wxRendererNative +#if defined(__WXWINCE__) || !wxUSE_UXTHEME + UINT state = DFCS_BUTTONCHECK; + if ( !IsEnabled() ) + state |= DFCS_INACTIVE; + switch ( Get3StateValue() ) + { + case wxCHK_CHECKED: + state |= DFCS_CHECKED; + break; + + case wxCHK_UNDETERMINED: + state |= DFCS_PUSHED; + break; + + default: + wxFAIL_MSG( _T("unexpected Get3StateValue() return value") ); + // fall through + + case wxCHK_UNCHECKED: + // no extra styles needed + break; + } + + if ( wxFindWindowAtPoint(wxGetMousePosition()) == this ) + state |= DFCS_HOT; + + if ( !::DrawFrameControl(hdc, &rectCheck, DFC_BUTTON, state) ) + { + wxLogLastError(_T("DrawFrameControl(DFC_BUTTON)")); + } +#else // XP version + wxUxThemeEngine *themeEngine = wxUxThemeEngine::GetIfActive(); + if ( !themeEngine ) + return false; + + wxUxThemeHandle theme(this, L"BUTTON"); + if ( !theme ) + return false; + + int state; + switch ( Get3StateValue() ) + { + case wxCHK_CHECKED: + state = CBS_CHECKEDNORMAL; + break; + + case wxCHK_UNDETERMINED: + state = CBS_MIXEDNORMAL; + break; + + default: + wxFAIL_MSG( _T("unexpected Get3StateValue() return value") ); + // fall through + + case wxCHK_UNCHECKED: + state = CBS_UNCHECKEDNORMAL; + break; + } + + if ( !IsEnabled() ) + state += CBS_DISABLED_OFFSET; + else if ( m_isPressed ) + state += CBS_PRESSED_OFFSET; + else if ( m_isHot ) + state += CBS_HOT_OFFSET; + + HRESULT hr = themeEngine->DrawThemeBackground + ( + theme, + hdc, + BP_CHECKBOX, + state, + &rectCheck, + NULL + ); + if ( FAILED(hr) ) + { + wxLogApiError(_T("DrawThemeBackground(BP_CHECKBOX)"), hr); + } +#endif // 0/1 + + // 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 ) + { + if ( !::DrawText(hdc, label, label.length(), &rectLabel, + fmt | DT_CALCRECT) ) + { + wxLogLastError(_T("DrawText(DT_CALCRECT)")); + } + } + + if ( !IsEnabled() ) + { + ::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT)); + } + + if ( !::DrawText(hdc, label, label.length(), &rectLabel, fmt) ) + { + wxLogLastError(_T("DrawText()")); + } + + // finally draw the focus + if ( isFocused ) + { + rectLabel.left--; + rectLabel.right++; + if ( !::DrawFocusRect(hdc, &rectLabel) ) + { + wxLogLastError(_T("DrawFocusRect()")); + } + } + + return true; } #endif // wxUSE_CHECKBOX