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setting foreground colour for wxCheckBox now works when using XP themes too

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34150 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2005-05-18 23:16:46 +00:00
parent 0f9aa21f2c
commit 2f25981069
3 changed files with 394 additions and 22 deletions
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387
src/msw/checkbox.cpp
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@@ -37,8 +37,13 @@
#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 +56,44 @@
#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 +152,14 @@ 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 +170,8 @@ 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 +179,14 @@ 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 +197,9 @@ bool wxCheckBox::Create(wxWindow *parent,
return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0);
}
// ----------------------------------------------------------------------------
// wxCheckBox geometry
// ----------------------------------------------------------------------------
wxSize wxCheckBox::DoGetBestSize() const
{
@@ -203,6 +238,10 @@ wxSize wxCheckBox::DoGetBestSize() const
return best;
}
// ----------------------------------------------------------------------------
// wxCheckBox operations
// ----------------------------------------------------------------------------
void wxCheckBox::SetValue(bool val)
{
Set3StateValue(val ? wxCHK_CHECKED : wxCHK_UNCHECKED);
@@ -230,12 +269,316 @@ 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
{
return (wxCheckBoxState) ::SendMessage(GetHwnd(), BM_GETCHECK, 0, 0);
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);
}
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
#if 0
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