comctl32/button: Implement split buttons.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=20123 Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gabriel Ivăncescu
Alexandre Julliard
parent
ae4d8e1838
commit
ee2f71d8f6
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@ -104,7 +104,11 @@ static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
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static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
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static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
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static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
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static void SB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action );
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static void BUTTON_CheckAutoRadioButton( HWND hwnd );
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static void get_split_button_rects(const BUTTON_INFO*, const RECT*, RECT*, RECT*);
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static BOOL notify_split_button_dropdown(const BUTTON_INFO*, const POINT*, HWND);
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static void draw_split_button_dropdown_glyph(const BUTTON_INFO*, HDC, RECT*);
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#define MAX_BTN_TYPE 16
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@ -155,8 +159,8 @@ static const pfPaint btnPaintFunc[MAX_BTN_TYPE] =
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CB_Paint, /* BS_AUTORADIOBUTTON */
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NULL, /* BS_PUSHBOX */
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OB_Paint, /* BS_OWNERDRAW */
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PB_Paint, /* BS_SPLITBUTTON */
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PB_Paint, /* BS_DEFSPLITBUTTON */
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SB_Paint, /* BS_SPLITBUTTON */
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SB_Paint, /* BS_DEFSPLITBUTTON */
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PB_Paint, /* BS_COMMANDLINK */
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PB_Paint /* BS_DEFCOMMANDLINK */
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};
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@ -554,6 +558,11 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
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infoPtr->state |= BUTTON_BTNPRESSED;
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SetCapture( hWnd );
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}
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else if (wParam == VK_UP || wParam == VK_DOWN)
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{
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/* Up and down arrows work on every button, and even with BCSS_NOSPLIT */
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notify_split_button_dropdown(infoPtr, NULL, hWnd);
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}
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break;
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case WM_LBUTTONDBLCLK:
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@ -567,8 +576,14 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
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}
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/* fall through */
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case WM_LBUTTONDOWN:
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SetCapture( hWnd );
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SetFocus( hWnd );
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if ((btn_type == BS_SPLITBUTTON || btn_type == BS_DEFSPLITBUTTON) &&
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!(infoPtr->split_style & BCSS_NOSPLIT) &&
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notify_split_button_dropdown(infoPtr, &pt, hWnd))
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break;
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SetCapture( hWnd );
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infoPtr->state |= BUTTON_BTNPRESSED;
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SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 );
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break;
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@ -579,6 +594,8 @@ static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, L
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/* fall through */
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case WM_LBUTTONUP:
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state = infoPtr->state;
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if (state & BST_DROPDOWNPUSHED)
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SendMessageW(hWnd, BCM_SETDROPDOWNSTATE, FALSE, 0);
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if (!(state & BUTTON_BTNPRESSED)) break;
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infoPtr->state &= BUTTON_NSTATES;
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if (!(state & BST_PUSHED))
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@ -2044,6 +2061,245 @@ static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
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if (hrgn) DeleteObject( hrgn );
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}
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/**********************************************************************
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* Split Button Functions
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*/
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static void SB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action )
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{
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LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE);
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LONG state = infoPtr->state;
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UINT dtFlags = (UINT)-1L;
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RECT rc, push_rect, dropdown_rect;
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NMCUSTOMDRAW nmcd;
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HPEN pen, old_pen;
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HBRUSH old_brush;
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INT old_bk_mode;
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LRESULT cdrf;
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HWND parent;
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HRGN hrgn;
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GetClientRect(infoPtr->hwnd, &rc);
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/* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
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if (infoPtr->font) SelectObject(hDC, infoPtr->font);
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if (!(parent = GetParent(infoPtr->hwnd))) parent = infoPtr->hwnd;
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SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd);
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hrgn = set_control_clipping(hDC, &rc);
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pen = CreatePen(PS_SOLID, 1, GetSysColor(COLOR_WINDOWFRAME));
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old_pen = SelectObject(hDC, pen);
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old_brush = SelectObject(hDC, GetSysColorBrush(COLOR_BTNFACE));
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old_bk_mode = SetBkMode(hDC, TRANSPARENT);
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init_custom_draw(&nmcd, infoPtr, hDC, &rc);
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/* Send erase notifications */
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cdrf = SendMessageW(parent, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
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if (cdrf & CDRF_SKIPDEFAULT) goto cleanup;
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if (get_button_type(style) == BS_DEFSPLITBUTTON)
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{
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if (action != ODA_FOCUS)
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Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
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InflateRect(&rc, -1, -1);
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/* The split will now be off by 1 pixel, but
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that's exactly what Windows does as well */
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}
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get_split_button_rects(infoPtr, &rc, &push_rect, &dropdown_rect);
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if (infoPtr->split_style & BCSS_NOSPLIT)
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push_rect = rc;
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/* Skip the frame drawing if only focus has changed */
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if (action != ODA_FOCUS)
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{
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UINT flags = DFCS_BUTTONPUSH;
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if (style & BS_FLAT) flags |= DFCS_MONO;
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else if (state & BST_PUSHED)
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flags |= (get_button_type(style) == BS_DEFSPLITBUTTON)
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? DFCS_FLAT : DFCS_PUSHED;
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if (state & (BST_CHECKED | BST_INDETERMINATE))
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flags |= DFCS_CHECKED;
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if (infoPtr->split_style & BCSS_NOSPLIT)
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DrawFrameControl(hDC, &push_rect, DFC_BUTTON, flags);
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else
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{
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UINT dropdown_flags = flags & ~DFCS_CHECKED;
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if (state & BST_DROPDOWNPUSHED)
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dropdown_flags = (dropdown_flags & ~DFCS_FLAT) | DFCS_PUSHED;
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/* Adjust for shadow and draw order so it looks properly */
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if (infoPtr->split_style & BCSS_ALIGNLEFT)
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{
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dropdown_rect.right++;
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DrawFrameControl(hDC, &dropdown_rect, DFC_BUTTON, dropdown_flags);
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dropdown_rect.right--;
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DrawFrameControl(hDC, &push_rect, DFC_BUTTON, flags);
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}
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else
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{
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push_rect.right++;
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DrawFrameControl(hDC, &push_rect, DFC_BUTTON, flags);
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push_rect.right--;
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DrawFrameControl(hDC, &dropdown_rect, DFC_BUTTON, dropdown_flags);
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}
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}
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}
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if (cdrf & CDRF_NOTIFYPOSTERASE)
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{
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nmcd.dwDrawStage = CDDS_POSTERASE;
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SendMessageW(parent, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
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}
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/* Send paint notifications */
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nmcd.dwDrawStage = CDDS_PREPAINT;
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cdrf = SendMessageW(parent, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
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if (cdrf & CDRF_SKIPDEFAULT) goto cleanup;
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/* Shrink push button rect so that the content won't touch the surrounding frame */
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InflateRect(&push_rect, -2, -2);
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if (!(cdrf & CDRF_DOERASE) && action != ODA_FOCUS)
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{
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COLORREF old_color = SetTextColor(hDC, GetSysColor(COLOR_BTNTEXT));
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RECT label_rect = push_rect, image_rect, text_rect;
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dtFlags = BUTTON_CalcLayoutRects(infoPtr, hDC, &label_rect, &image_rect, &text_rect);
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if (dtFlags != (UINT)-1L)
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BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &image_rect, &text_rect);
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draw_split_button_dropdown_glyph(infoPtr, hDC, &dropdown_rect);
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SetTextColor(hDC, old_color);
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}
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if (cdrf & CDRF_NOTIFYPOSTPAINT)
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{
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nmcd.dwDrawStage = CDDS_POSTPAINT;
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SendMessageW(parent, WM_NOTIFY, nmcd.hdr.idFrom, (LPARAM)&nmcd);
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}
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if ((cdrf & CDRF_SKIPPOSTPAINT) || dtFlags == (UINT)-1L) goto cleanup;
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if (action == ODA_FOCUS || (state & BST_FOCUS))
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DrawFocusRect(hDC, &push_rect);
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cleanup:
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SelectObject(hDC, old_pen);
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SelectObject(hDC, old_brush);
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SetBkMode(hDC, old_bk_mode);
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SelectClipRgn(hDC, hrgn);
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if (hrgn) DeleteObject(hrgn);
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DeleteObject(pen);
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}
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/* Given the full button rect of the split button, retrieve the push part and the dropdown part */
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static inline void get_split_button_rects(const BUTTON_INFO *infoPtr, const RECT *button_rect,
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RECT *push_rect, RECT *dropdown_rect)
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{
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*push_rect = *dropdown_rect = *button_rect;
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/* The dropdown takes priority if the client rect is too small, it will only have a dropdown */
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if (infoPtr->split_style & BCSS_ALIGNLEFT)
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{
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dropdown_rect->right = min(button_rect->left + infoPtr->glyph_size.cx, button_rect->right);
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push_rect->left = dropdown_rect->right;
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}
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else
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{
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dropdown_rect->left = max(button_rect->right - infoPtr->glyph_size.cx, button_rect->left);
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push_rect->right = dropdown_rect->left;
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}
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}
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/* Notify the parent if the point is within the dropdown and return TRUE (always notify if NULL) */
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static BOOL notify_split_button_dropdown(const BUTTON_INFO *infoPtr, const POINT *pt, HWND hwnd)
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{
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NMBCDROPDOWN nmbcd;
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GetClientRect(hwnd, &nmbcd.rcButton);
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if (pt)
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{
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RECT push_rect, dropdown_rect;
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get_split_button_rects(infoPtr, &nmbcd.rcButton, &push_rect, &dropdown_rect);
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if (!PtInRect(&dropdown_rect, *pt))
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return FALSE;
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/* If it's already down (set manually via BCM_SETDROPDOWNSTATE), fake the notify */
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if (infoPtr->state & BST_DROPDOWNPUSHED)
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return TRUE;
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}
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SendMessageW(hwnd, BCM_SETDROPDOWNSTATE, TRUE, 0);
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nmbcd.hdr.hwndFrom = hwnd;
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nmbcd.hdr.idFrom = GetWindowLongPtrW(hwnd, GWLP_ID);
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nmbcd.hdr.code = BCN_DROPDOWN;
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SendMessageW(GetParent(hwnd), WM_NOTIFY, nmbcd.hdr.idFrom, (LPARAM)&nmbcd);
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SendMessageW(hwnd, BCM_SETDROPDOWNSTATE, FALSE, 0);
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return TRUE;
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}
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/* Draw the split button dropdown glyph or image */
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static void draw_split_button_dropdown_glyph(const BUTTON_INFO *infoPtr, HDC hdc, RECT *rect)
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{
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if (infoPtr->split_style & BCSS_IMAGE)
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{
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int w, h;
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/* When the glyph is an image list, Windows is very buggy with BCSS_STRETCH,
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positions it weirdly and doesn't even stretch it, but instead extends the
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image, leaking into other images in the list (or black if none). Instead,
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we'll ignore this and just position it at center as without BCSS_STRETCH. */
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if (!ImageList_GetIconSize(infoPtr->glyph, &w, &h)) return;
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ImageList_Draw(infoPtr->glyph,
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(ImageList_GetImageCount(infoPtr->glyph) == 1) ? 0 : get_draw_state(infoPtr) - 1,
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hdc, rect->left + (rect->right - rect->left - w) / 2,
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rect->top + (rect->bottom - rect->top - h) / 2, ILD_NORMAL);
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}
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else if (infoPtr->glyph_size.cy >= 0)
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{
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/* infoPtr->glyph is a character code from Marlett */
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HFONT font, old_font;
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LOGFONTW logfont = { 0, 0, 0, 0, FW_NORMAL, 0, 0, 0, SYMBOL_CHARSET, 0, 0, 0, 0,
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{ 'M','a','r','l','e','t','t',0 } };
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if (infoPtr->glyph_size.cy)
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{
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/* BCSS_STRETCH preserves aspect ratio, uses minimum as size */
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if (infoPtr->split_style & BCSS_STRETCH)
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logfont.lfHeight = min(infoPtr->glyph_size.cx, infoPtr->glyph_size.cy);
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else
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{
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logfont.lfWidth = infoPtr->glyph_size.cx;
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logfont.lfHeight = infoPtr->glyph_size.cy;
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}
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}
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else logfont.lfHeight = infoPtr->glyph_size.cx;
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if ((font = CreateFontIndirectW(&logfont)))
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{
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old_font = SelectObject(hdc, font);
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DrawTextW(hdc, (const WCHAR*)&infoPtr->glyph, 1, rect,
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DT_CENTER | DT_VCENTER | DT_SINGLELINE | DT_NOCLIP | DT_NOPREFIX);
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SelectObject(hdc, old_font);
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DeleteObject(font);
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}
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}
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}
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/**********************************************************************
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* Themed Paint Functions
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*/
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static void PB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, int state, UINT dtFlags, BOOL focused)
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{
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RECT bgRect, textRect;
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