/////////////////////////////////////////////////////////////////////////////
-// Name: msw/checkbox.cpp
+// Name: src/msw/checkbox.cpp
// Purpose: wxCheckBox
// Author: Julian Smart
// Modified by:
// 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"
#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"
-#ifndef BST_UNCHECKED
- #define BST_UNCHECKED 0x0000
-#endif
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
-#ifndef BST_CHECKED
- #define BST_CHECKED 0x0001
+#ifndef BP_CHECKBOX
+ #define BP_CHECKBOX 3
#endif
-#ifndef BST_INDETERMINATE
- #define BST_INDETERMINATE 0x0002
-#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);
- 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,
const wxValidator& validator,
const wxString& name)
{
+ Init();
+
if ( !CreateControl(parent, id, pos, size, style, validator, name) )
return false;
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 )
msStyle |= BS_LEFTTEXT | BS_RIGHT;
}
+ msStyle |= wxMSWButton::GetMultilineStyle(label);
+
return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0);
}
+// ----------------------------------------------------------------------------
+// wxCheckBox geometry
+// ----------------------------------------------------------------------------
wxSize wxCheckBox::DoGetBestSize() const
{
wxString str = wxGetWindowText(GetHWND());
int wCheckbox, hCheckbox;
- if ( !str.IsEmpty() )
+ if ( !str.empty() )
{
- GetTextExtent(str, &wCheckbox, &hCheckbox);
+ wxClientDC dc(const_cast<wxCheckBox *>(this));
+ dc.SetFont(GetFont());
+ dc.GetMultiLineTextExtent(GetLabelText(str), &wCheckbox, &hCheckbox);
wCheckbox += s_checkSize + GetCharWidth();
if ( hCheckbox < s_checkSize )
hCheckbox += 1;
#endif
- return wxSize(wCheckbox, hCheckbox);
+ wxSize best(wCheckbox, hCheckbox);
+ CacheBestSize(best);
+ return best;
}
-WXHBRUSH wxCheckBox::MSWGetDefaultBgBrush()
+// ----------------------------------------------------------------------------
+// wxCheckBox operations
+// ----------------------------------------------------------------------------
+
+void wxCheckBox::SetLabel(const wxString& label)
{
- return ::GetStockObject(NULL_BRUSH);
+ wxMSWButton::UpdateMultilineStyle(GetHwnd(), label);
+
+ wxCheckBoxBase::SetLabel(label);
}
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)
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
+ 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( _T("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 )
+ {
+ if ( !::DrawText(hdc, label.wx_str(), label.length(), &rectLabel,
+ fmt | DT_CALCRECT) )
+ {
+ wxLogLastError(_T("DrawText(DT_CALCRECT)"));
+ }
+ }
+
+ if ( !IsEnabled() )
+ {
+ ::SetTextColor(hdc, ::GetSysColor(COLOR_GRAYTEXT));
+ }
+
+ if ( !::DrawText(hdc, label.wx_str(), 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
projects / wxWidgets.git / blobdiff