#include "wx/dcscreen.h"
#include "wx/dcclient.h"
#include "wx/toplevel.h"
+ #include "wx/imaglist.h"
#endif
#include "wx/stockitem.h"
#include "wx/msw/private.h"
#include "wx/msw/private/button.h"
+#include "wx/msw/private/dc.h"
+
+using namespace wxMSWImpl;
#if wxUSE_UXTHEME
#include "wx/msw/uxtheme.h"
#define TMT_CONTENTMARGINS 3602
#endif
+
+ // provide the necessary declarations ourselves if they're missing from
+ // headers
+ #ifndef BCM_SETIMAGELIST
+ #define BCM_SETIMAGELIST 0x1602
+ #define BCM_SETTEXTMARGIN 0x1604
+
+ enum
+ {
+ BUTTON_IMAGELIST_ALIGN_LEFT,
+ BUTTON_IMAGELIST_ALIGN_RIGHT,
+ BUTTON_IMAGELIST_ALIGN_TOP,
+ BUTTON_IMAGELIST_ALIGN_BOTTOM
+ };
+
+ struct BUTTON_IMAGELIST
+ {
+ HIMAGELIST himl;
+ RECT margin;
+ UINT uAlign;
+ };
+ #endif
#endif // wxUSE_UXTHEME
#ifndef WM_THEMECHANGED
#define DT_HIDEPREFIX 0x00100000
#endif
+// ----------------------------------------------------------------------------
+// button image data
+// ----------------------------------------------------------------------------
+
+// we use different data classes for owner drawn buttons and for themed XP ones
+
+class wxButtonImageData
+{
+public:
+ wxButtonImageData() { }
+ virtual ~wxButtonImageData() { }
+
+ virtual wxBitmap GetBitmap(wxButton::State which) const = 0;
+ virtual void SetBitmap(const wxBitmap& bitmap, wxButton::State which) = 0;
+
+ virtual wxSize GetBitmapMargins() const = 0;
+ virtual void SetBitmapMargins(wxCoord x, wxCoord y) = 0;
+
+ virtual wxDirection GetBitmapPosition() const = 0;
+ virtual void SetBitmapPosition(wxDirection dir) = 0;
+
+private:
+ wxDECLARE_NO_COPY_CLASS(wxButtonImageData);
+};
+
+namespace
+{
+
+// the gap between button edge and the interior area used by Windows for the
+// standard buttons
+const int OD_BUTTON_MARGIN = 4;
+
+class wxODButtonImageData : public wxButtonImageData
+{
+public:
+ wxODButtonImageData(wxButton *btn)
+ {
+ m_dir = wxLEFT;
+
+ m_margin.x = btn->GetCharWidth();
+ m_margin.y = btn->GetCharHeight() / 2;
+ }
+
+ virtual wxBitmap GetBitmap(wxButton::State which) const
+ {
+ return m_bitmaps[which];
+ }
+
+ virtual void SetBitmap(const wxBitmap& bitmap, wxButton::State which)
+ {
+ m_bitmaps[which] = bitmap;
+ }
+
+ virtual wxSize GetBitmapMargins() const
+ {
+ return m_margin + wxSize(OD_BUTTON_MARGIN, OD_BUTTON_MARGIN);
+ }
+
+ virtual void SetBitmapMargins(wxCoord x, wxCoord y)
+ {
+ m_margin = wxSize(x, y);
+ }
+
+ virtual wxDirection GetBitmapPosition() const
+ {
+ return m_dir;
+ }
+
+ virtual void SetBitmapPosition(wxDirection dir)
+ {
+ m_dir = dir;
+ }
+
+private:
+ // just store the values passed to us to be able to retrieve them later
+ // from the drawing code
+ wxBitmap m_bitmaps[wxButton::State_Max];
+ wxSize m_margin;
+ wxDirection m_dir;
+
+ wxDECLARE_NO_COPY_CLASS(wxODButtonImageData);
+};
+
+#if wxUSE_UXTHEME
+
+class wxXPButtonImageData : public wxButtonImageData
+{
+public:
+ // we must be constructed with the size of our images as we need to create
+ // the image list
+ wxXPButtonImageData(wxButton *btn, const wxSize& size)
+ : m_iml(size.x, size.y, true /* use mask */, wxButton::State_Max),
+ m_hwndBtn(GetHwndOf(btn))
+ {
+ m_data.himl = GetHimagelistOf(&m_iml);
+
+ // use default margins
+ m_data.margin.left =
+ m_data.margin.right = btn->GetCharWidth();
+ m_data.margin.top =
+ m_data.margin.bottom = btn->GetCharHeight() / 2;
+
+ // and default alignment
+ m_data.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT;
+ }
+
+ virtual wxBitmap GetBitmap(wxButton::State which) const
+ {
+ return m_iml.GetBitmap(which);
+ }
+
+ virtual void SetBitmap(const wxBitmap& bitmap, wxButton::State which)
+ {
+ const int imagesToAdd = which - m_iml.GetImageCount();
+ if ( imagesToAdd >= 0 )
+ {
+ if ( imagesToAdd > 0 )
+ {
+ const wxBitmap bmpNormal = GetBitmap(wxButton::State_Normal);
+ for ( int n = 0; n < imagesToAdd; n++ )
+ m_iml.Add(bmpNormal);
+ }
+
+ m_iml.Add(bitmap);
+ }
+ else // we already have this bitmap
+ {
+ m_iml.Replace(which, bitmap);
+ }
+
+ UpdateImageInfo();
+ }
+
+ virtual wxSize GetBitmapMargins() const
+ {
+ return wxSize(m_data.margin.left, m_data.margin.top);
+ }
+
+ virtual void SetBitmapMargins(wxCoord x, wxCoord y)
+ {
+ RECT& margin = m_data.margin;
+ margin.left =
+ margin.right = x;
+ margin.top =
+ margin.bottom = y;
+
+ if ( !::SendMessage(m_hwndBtn, BCM_SETTEXTMARGIN, 0, (LPARAM)&margin) )
+ {
+ wxLogDebug("SendMessage(BCM_SETTEXTMARGIN) failed");
+ }
+ }
+
+ virtual wxDirection GetBitmapPosition() const
+ {
+ switch ( m_data.uAlign )
+ {
+ default:
+ wxFAIL_MSG( "invalid image alignment" );
+ // fall through
+
+ case BUTTON_IMAGELIST_ALIGN_LEFT:
+ return wxLEFT;
+
+ case BUTTON_IMAGELIST_ALIGN_RIGHT:
+ return wxRIGHT;
+
+ case BUTTON_IMAGELIST_ALIGN_TOP:
+ return wxTOP;
+
+ case BUTTON_IMAGELIST_ALIGN_BOTTOM:
+ return wxBOTTOM;
+ }
+ }
+
+ virtual void SetBitmapPosition(wxDirection dir)
+ {
+ UINT alignNew;
+ switch ( dir )
+ {
+ default:
+ wxFAIL_MSG( "invalid direction" );
+ // fall through
+
+ case wxLEFT:
+ alignNew = BUTTON_IMAGELIST_ALIGN_LEFT;
+ break;
+
+ case wxRIGHT:
+ alignNew = BUTTON_IMAGELIST_ALIGN_RIGHT;
+ break;
+
+ case wxTOP:
+ alignNew = BUTTON_IMAGELIST_ALIGN_TOP;
+ break;
+
+ case wxBOTTOM:
+ alignNew = BUTTON_IMAGELIST_ALIGN_BOTTOM;
+ break;
+ }
+
+ if ( alignNew != m_data.uAlign )
+ {
+ m_data.uAlign = alignNew;
+ UpdateImageInfo();
+ }
+ }
+
+private:
+ void UpdateImageInfo()
+ {
+ if ( !::SendMessage(m_hwndBtn, BCM_SETIMAGELIST, 0, (LPARAM)&m_data) )
+ {
+ wxLogDebug("SendMessage(BCM_SETIMAGELIST) failed");
+ }
+ }
+
+ // we store image list separately to be able to use convenient wxImageList
+ // methods instead of working with raw HIMAGELIST
+ wxImageList m_iml;
+
+ // store the rest of the data in BCM_SETIMAGELIST-friendly form
+ BUTTON_IMAGELIST m_data;
+
+ // the button we're associated with
+ const HWND m_hwndBtn;
+
+
+ wxDECLARE_NO_COPY_CLASS(wxXPButtonImageData);
+};
+
+#endif // wxUSE_UXTHEME
+
+} // anonymous namespace
+
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
{
UnsetTmpDefault();
}
+
+ delete m_imageData;
}
// ----------------------------------------------------------------------------
wxSize wxButton::DoGetBestSize() const
{
- return wxMSWButton::ComputeBestSize(wx_const_cast(wxButton *, this));
+ wxSize size = wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));
+ if ( m_imageData )
+ {
+ const wxSize sizeBmp = m_imageData->GetBitmap(State_Normal).GetSize();
+ const wxDirection dirBmp = m_imageData->GetBitmapPosition();
+ if ( dirBmp == wxLEFT || dirBmp == wxRIGHT )
+ {
+ size.x += sizeBmp.x;
+ if ( sizeBmp.y > size.y )
+ size.y = sizeBmp.y;
+ }
+ else // bitmap on top/below the text
+ {
+ size.y += sizeBmp.y;
+ if ( sizeBmp.x > size.x )
+ size.x = sizeBmp.x;
+ }
+
+ size += 2*m_imageData->GetBitmapMargins();
+
+ CacheBestSize(size);
+ }
+
+ return size;
}
/* static */
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}
+// ----------------------------------------------------------------------------
+// button images
+// ----------------------------------------------------------------------------
+
+wxBitmap wxButton::DoGetBitmap(State which) const
+{
+ return m_imageData ? m_imageData->GetBitmap(which) : wxBitmap();
+}
+
+void wxButton::DoSetBitmap(const wxBitmap& bitmap, State which)
+{
+ // allocate the image data when the first bitmap is set
+ if ( !m_imageData )
+ {
+#if wxUSE_UXTHEME
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ m_imageData = new wxXPButtonImageData(this, bitmap.GetSize());
+ }
+ else
+#endif // wxUSE_UXTHEME
+ {
+ m_imageData = new wxODButtonImageData(this);
+ MakeOwnerDrawn();
+ }
+
+ // if a bitmap was assigned to the bitmap, its best size must be
+ // changed to account for it
+ InvalidateBestSize();
+ }
+
+ m_imageData->SetBitmap(bitmap, which);
+}
+
+void wxButton::DoSetBitmapMargins(wxCoord x, wxCoord y)
+{
+ wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
+
+ m_imageData->SetBitmapMargins(x, y);
+}
+
+void wxButton::DoSetBitmapPosition(wxDirection dir)
+{
+ wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
+
+ m_imageData->SetBitmapPosition(dir);
+}
+
// ----------------------------------------------------------------------------
// owner-drawn buttons support
// ----------------------------------------------------------------------------
// drawing helpers
+namespace
+{
-static void DrawButtonText(HDC hdc,
- RECT *pRect,
- const wxString& text,
- COLORREF col,
- int flags)
+void DrawButtonText(HDC hdc,
+ RECT *pRect,
+ const wxString& text,
+ COLORREF col,
+ int flags)
{
- COLORREF colOld = SetTextColor(hdc, col);
- int modeOld = SetBkMode(hdc, TRANSPARENT);
+ wxTextColoursChanger changeFg(hdc, col, CLR_INVALID);
+ wxBkModeChanger changeBkMode(hdc, wxBRUSHSTYLE_TRANSPARENT);
// center text horizontally in any case
flags |= DT_CENTER;
::DrawText(hdc, text.wx_str(), text.length(), pRect,
flags | DT_SINGLELINE | DT_VCENTER);
}
-
- SetBkMode(hdc, modeOld);
- SetTextColor(hdc, colOld);
}
-static void DrawRect(HDC hdc, const RECT& r)
+void DrawRect(HDC hdc, const RECT& r)
{
wxDrawLine(hdc, r.left, r.top, r.right, r.top);
wxDrawLine(hdc, r.right, r.top, r.right, r.bottom);
wxDrawLine(hdc, r.left, r.bottom, r.left, r.top);
}
-void wxButton::MakeOwnerDrawn()
-{
- long style = GetWindowLong(GetHwnd(), GWL_STYLE);
- if ( (style & BS_OWNERDRAW) != BS_OWNERDRAW )
- {
- // make it so
- style |= BS_OWNERDRAW;
- SetWindowLong(GetHwnd(), GWL_STYLE, style);
- }
-}
-
-bool wxButton::SetBackgroundColour(const wxColour &colour)
-{
- if ( !wxControl::SetBackgroundColour(colour) )
- {
- // nothing to do
- return false;
- }
-
- MakeOwnerDrawn();
-
- Refresh();
-
- return true;
-}
-
-bool wxButton::SetForegroundColour(const wxColour &colour)
-{
- if ( !wxControl::SetForegroundColour(colour) )
- {
- // nothing to do
- return false;
- }
-
- MakeOwnerDrawn();
-
- Refresh();
-
- return true;
-}
-
/*
The button frame looks like this normally:
BGGGGGGGGGGGGGGGGGB
BBBBBBBBBBBBBBBBBBB
*/
-
-static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
- bool selected, bool pushed)
+void DrawButtonFrame(HDC hdc, RECT& rectBtn,
+ bool selected, bool pushed)
{
RECT r;
CopyRect(&r, &rectBtn);
- HPEN hpenBlack = CreatePen(PS_SOLID, 1, GetSysColor(COLOR_3DDKSHADOW)),
- hpenGrey = CreatePen(PS_SOLID, 1, GetSysColor(COLOR_3DSHADOW)),
- hpenLightGr = CreatePen(PS_SOLID, 1, GetSysColor(COLOR_3DLIGHT)),
- hpenWhite = CreatePen(PS_SOLID, 1, GetSysColor(COLOR_3DHILIGHT));
+ AutoHPEN hpenBlack(GetSysColor(COLOR_3DDKSHADOW)),
+ hpenGrey(GetSysColor(COLOR_3DSHADOW)),
+ hpenLightGr(GetSysColor(COLOR_3DLIGHT)),
+ hpenWhite(GetSysColor(COLOR_3DHILIGHT));
- HPEN hpenOld = (HPEN)SelectObject(hdc, hpenBlack);
+ SelectInHDC selectPen(hdc, hpenBlack);
r.right--;
r.bottom--;
wxDrawLine(hdc, r.right - 1, r.bottom - 1, r.right - 1, r.top);
}
- (void)SelectObject(hdc, hpenOld);
- DeleteObject(hpenWhite);
- DeleteObject(hpenLightGr);
- DeleteObject(hpenGrey);
- DeleteObject(hpenBlack);
+ InflateRect(&rectBtn, -OD_BUTTON_MARGIN, -OD_BUTTON_MARGIN);
}
#if wxUSE_UXTHEME
-static
-void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
+void MSWDrawXPBackground(wxButton *button, HDC hdc, RECT& rectBtn, UINT state)
{
- LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
- HDC hdc = lpDIS->hDC;
- UINT state = lpDIS->itemState;
- RECT rectBtn;
- CopyRect(&rectBtn, &lpDIS->rcItem);
-
wxUxThemeHandle theme(button, L"BUTTON");
int iState;
MARGINS margins;
wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
TMT_CONTENTMARGINS, &rectBtn, &margins);
- RECT rectClient;
- ::CopyRect(&rectClient, &rectBtn);
- ::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);
-
- // if focused and !nofocus rect
- if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
- {
- DrawFocusRect(hdc, &rectClient);
- }
+ ::InflateRect(&rectBtn, -margins.cxLeftWidth, -margins.cyTopHeight);
if ( button->UseBgCol() )
{
COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
- HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+ AutoHBRUSH hbrushBackground(colBg);
// don't overwrite the focus rect
+ RECT rectClient;
+ ::CopyRect(&rectClient, &rectBtn);
::InflateRect(&rectClient, -1, -1);
FillRect(hdc, &rectClient, hbrushBackground);
- ::DeleteObject(hbrushBackground);
}
}
#endif // wxUSE_UXTHEME
+} // anonymous namespace
+
+// ----------------------------------------------------------------------------
+// owner drawn buttons support
+// ----------------------------------------------------------------------------
+
+void wxButton::MakeOwnerDrawn()
+{
+ long style = GetWindowLong(GetHwnd(), GWL_STYLE);
+ if ( (style & BS_OWNERDRAW) != BS_OWNERDRAW )
+ {
+ // make it so
+ style |= BS_OWNERDRAW;
+ SetWindowLong(GetHwnd(), GWL_STYLE, style);
+ }
+}
+
+bool wxButton::SetBackgroundColour(const wxColour &colour)
+{
+ if ( !wxControl::SetBackgroundColour(colour) )
+ {
+ // nothing to do
+ return false;
+ }
+
+ MakeOwnerDrawn();
+
+ Refresh();
+
+ return true;
+}
+
+bool wxButton::SetForegroundColour(const wxColour &colour)
+{
+ if ( !wxControl::SetForegroundColour(colour) )
+ {
+ // nothing to do
+ return false;
+ }
+
+ MakeOwnerDrawn();
+
+ Refresh();
+
+ return true;
+}
+
bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
{
LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
HDC hdc = lpDIS->hDC;
+
UINT state = lpDIS->itemState;
+ bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
+
RECT rectBtn;
CopyRect(&rectBtn, &lpDIS->rcItem);
+ // draw the button background
#if wxUSE_UXTHEME
if ( wxUxThemeEngine::GetIfActive() )
{
- MSWDrawXPBackground(this, wxdis);
+ MSWDrawXPBackground(this, hdc, rectBtn, state);
}
else
#endif // wxUSE_UXTHEME
COLORREF colBg = wxColourToRGB(GetBackgroundColour());
// first, draw the background
- HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+ AutoHBRUSH hbrushBackground(colBg);
FillRect(hdc, &rectBtn, hbrushBackground);
- ::DeleteObject(hbrushBackground);
// draw the border for the current state
bool selected = (state & ODS_SELECTED) != 0;
if ( !selected )
{
- wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+ wxTopLevelWindow *
+ tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
if ( tlw )
{
selected = tlw->GetDefaultItem() == this;
}
}
- bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
DrawButtonFrame(hdc, rectBtn, selected, pushed);
+ }
- // if focused and !nofocus rect
- if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
- {
- RECT rectFocus;
- CopyRect(&rectFocus, &rectBtn);
-
- // I don't know where does this constant come from, but this is how
- // Windows draws them
- InflateRect(&rectFocus, -4, -4);
+ // draw the focus rectangle if we need it
+ if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+ {
+ DrawFocusRect(hdc, &rectBtn);
- DrawFocusRect(hdc, &rectFocus);
+#if wxUSE_UXTHEME
+ if ( !wxUxThemeEngine::GetIfActive() )
+#endif // wxUSE_UXTHEME
+ {
+ if ( pushed )
+ {
+ // the label is shifted by 1 pixel to create "pushed" effect
+ OffsetRect(&rectBtn, 1, 1);
+ }
}
+ }
+
- if ( pushed )
+ // draw the image, if any
+ if ( m_imageData )
+ {
+ wxBitmap bmp = m_imageData->GetBitmap(State_Normal);
+ const wxSize sizeBmp = bmp.GetSize();
+ const wxSize margin = m_imageData->GetBitmapMargins();
+ const wxSize sizeBmpWithMargins(sizeBmp + 2*margin);
+ wxRect rectButton(wxRectFromRECT(rectBtn));
+
+ // for simplicity, we start with centred rectangle and then move it to
+ // the appropriate edge
+ wxRect rectBitmap = wxRect(sizeBmp).CentreIn(rectButton);
+ switch ( m_imageData->GetBitmapPosition() )
{
- // the label is shifted by 1 pixel to create "pushed" effect
- OffsetRect(&rectBtn, 1, 1);
+ default:
+ wxFAIL_MSG( "invalid direction" );
+ // fall through
+
+ case wxLEFT:
+ rectBitmap.x = rectButton.x + margin.x;
+ rectButton.x += sizeBmpWithMargins.x;
+ rectButton.width -= sizeBmpWithMargins.x;
+ break;
+
+ case wxRIGHT:
+ rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x;
+ rectButton.width -= sizeBmpWithMargins.x;
+ break;
+
+ case wxTOP:
+ rectBitmap.y = rectButton.y + margin.y;
+ rectButton.y += sizeBmpWithMargins.y;
+ rectButton.height -= sizeBmpWithMargins.y;
+ break;
+
+ case wxBOTTOM:
+ rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y;
+ rectButton.height -= sizeBmpWithMargins.y;
+ break;
}
+
+ wxDCTemp dst((WXHDC)hdc);
+ dst.DrawBitmap(bmp, rectBitmap.GetPosition(), true);
+
+ wxCopyRectToRECT(rectButton, rectBtn);
}
+
+ // finally draw the label
COLORREF colFg = state & ODS_DISABLED
? ::GetSysColor(COLOR_GRAYTEXT)
: wxColourToRGB(GetForegroundColour());
projects / wxWidgets.git / blobdiff