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495 lines
15 KiB
C
495 lines
15 KiB
C
/*
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* Theming - Button control
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*
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* Copyright (c) 2008 by Reece H. Dunn
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#include "comctl32.h"
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WINE_DEFAULT_DEBUG_CHANNEL(theme_button);
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#define BUTTON_TYPE 0x0f /* bit mask for the available button types */
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#if 0
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/* These are indices into a states array to determine the theme state for a given theme part. */
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typedef enum
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{
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STATE_NORMAL,
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STATE_HOT,
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STATE_PRESSED,
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STATE_DISABLED,
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STATE_DEFAULTED
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} ButtonState;
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#ifdef __REACTOS__ /* r73885 */
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typedef void (*pfThemedPaint)(HTHEME theme, HWND hwnd, HDC hdc, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag);
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#else
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typedef void (*pfThemedPaint)(HTHEME theme, HWND hwnd, HDC hdc, ButtonState drawState, UINT dtFlags, BOOL focused);
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#endif
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#ifdef __REACTOS__ /* r73885 & r73907 */
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static inline LONG get_button_state( HWND hwnd )
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{
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return _GetButtonData(hwnd)->state;
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}
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static inline HFONT get_button_font( HWND hwnd )
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{
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return (HFONT)_GetButtonData(hwnd)->font;
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}
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static inline LONG_PTR get_button_image(HWND hwnd)
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{
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return _GetButtonData(hwnd)->image;
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}
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BOOL BUTTON_DrawIml(HDC hdc, BUTTON_IMAGELIST *pimlData, RECT *prc, BOOL bOnlyCalc, int index);
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DWORD BUTTON_SendCustomDraw(HWND hwnd, HDC hDC, DWORD dwDrawStage, RECT* prc);
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#endif
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static UINT get_drawtext_flags(DWORD style, DWORD ex_style)
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{
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UINT flags = 0;
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if (style & BS_PUSHLIKE)
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style &= ~BUTTON_TYPE;
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if (!(style & BS_MULTILINE))
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flags |= DT_SINGLELINE;
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else
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flags |= DT_WORDBREAK;
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switch (style & BS_CENTER)
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{
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case BS_LEFT: flags |= DT_LEFT; break;
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case BS_RIGHT: flags |= DT_RIGHT; break;
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case BS_CENTER: flags |= DT_CENTER; break;
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default:
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flags |= ((style & BUTTON_TYPE) <= BS_DEFPUSHBUTTON)
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? DT_CENTER : DT_LEFT;
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}
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if (ex_style & WS_EX_RIGHT)
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flags = DT_RIGHT | (flags & ~(DT_LEFT | DT_CENTER));
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if ((style & BUTTON_TYPE) != BS_GROUPBOX)
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{
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switch (style & BS_VCENTER)
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{
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case BS_TOP: flags |= DT_TOP; break;
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case BS_BOTTOM: flags |= DT_BOTTOM; break;
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case BS_VCENTER: /* fall through */
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default: flags |= DT_VCENTER; break;
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}
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}
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else
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/* GroupBox's text is always single line and is top aligned. */
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flags |= DT_SINGLELINE | DT_TOP;
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return flags;
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}
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static inline WCHAR *get_button_text(HWND hwnd)
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{
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INT len = 512;
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WCHAR *text;
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text = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
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if (text) InternalGetWindowText(hwnd, text, len + 1);
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return text;
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}
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static void PB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
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{
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static const int states[] = { PBS_NORMAL, PBS_HOT, PBS_PRESSED, PBS_DISABLED, PBS_DEFAULTED };
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RECT bgRect, textRect;
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HFONT font = get_button_font(hwnd);
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HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL;
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int state = states[ drawState ];
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WCHAR *text;
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PBUTTON_DATA pdata = _GetButtonData(hwnd);
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HWND parent;
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DWORD cdrf;
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GetClientRect(hwnd, &bgRect);
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GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect);
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if (prfFlag == 0)
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{
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if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state))
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DrawThemeParentBackground(hwnd, hDC, NULL);
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}
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parent = GetParent(hwnd);
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if (!parent) parent = hwnd;
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SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd );
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cdrf = BUTTON_SendCustomDraw(hwnd, hDC, CDDS_PREERASE, &bgRect);
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if (cdrf == CDRF_SKIPDEFAULT)
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goto cleanup;
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DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL);
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if (cdrf == CDRF_NOTIFYPOSTERASE)
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BUTTON_SendCustomDraw(hwnd, hDC, CDDS_POSTERASE, &bgRect);
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cdrf = BUTTON_SendCustomDraw(hwnd, hDC, CDDS_PREPAINT, &bgRect);
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if (cdrf == CDRF_SKIPDEFAULT)
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goto cleanup;
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BUTTON_DrawIml(hDC, &pdata->imlData, &textRect, FALSE, drawState);
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text = get_button_text(hwnd);
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if (text)
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{
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DrawThemeText(theme, hDC, BP_PUSHBUTTON, state, text, lstrlenW(text), dtFlags, 0, &textRect);
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HeapFree(GetProcessHeap(), 0, text);
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}
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if (focused)
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{
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MARGINS margins;
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RECT focusRect = bgRect;
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GetThemeMargins(theme, hDC, BP_PUSHBUTTON, state, TMT_CONTENTMARGINS, NULL, &margins);
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focusRect.left += margins.cxLeftWidth;
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focusRect.top += margins.cyTopHeight;
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focusRect.right -= margins.cxRightWidth;
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focusRect.bottom -= margins.cyBottomHeight;
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DrawFocusRect( hDC, &focusRect );
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}
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if (cdrf == CDRF_NOTIFYPOSTPAINT)
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BUTTON_SendCustomDraw(hwnd, hDC, CDDS_POSTPAINT, &bgRect);
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cleanup:
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if (hPrevFont) SelectObject(hDC, hPrevFont);
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}
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static void CB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
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{
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static const int cb_states[3][5] =
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{
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{ CBS_UNCHECKEDNORMAL, CBS_UNCHECKEDHOT, CBS_UNCHECKEDPRESSED, CBS_UNCHECKEDDISABLED, CBS_UNCHECKEDNORMAL },
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{ CBS_CHECKEDNORMAL, CBS_CHECKEDHOT, CBS_CHECKEDPRESSED, CBS_CHECKEDDISABLED, CBS_CHECKEDNORMAL },
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{ CBS_MIXEDNORMAL, CBS_MIXEDHOT, CBS_MIXEDPRESSED, CBS_MIXEDDISABLED, CBS_MIXEDNORMAL }
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};
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static const int rb_states[2][5] =
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{
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{ RBS_UNCHECKEDNORMAL, RBS_UNCHECKEDHOT, RBS_UNCHECKEDPRESSED, RBS_UNCHECKEDDISABLED, RBS_UNCHECKEDNORMAL },
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{ RBS_CHECKEDNORMAL, RBS_CHECKEDHOT, RBS_CHECKEDPRESSED, RBS_CHECKEDDISABLED, RBS_CHECKEDNORMAL }
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};
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SIZE sz;
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RECT bgRect, textRect;
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HFONT font, hPrevFont = NULL;
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LRESULT checkState = get_button_state(hwnd) & 3;
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DWORD dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
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int part = ((dwStyle & BUTTON_TYPE) == BS_RADIOBUTTON) || ((dwStyle & BUTTON_TYPE) == BS_AUTORADIOBUTTON)
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? BP_RADIOBUTTON
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: BP_CHECKBOX;
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int state = (part == BP_CHECKBOX)
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? cb_states[ checkState ][ drawState ]
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: rb_states[ checkState ][ drawState ];
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WCHAR *text;
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LOGFONTW lf;
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BOOL created_font = FALSE;
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HWND parent;
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HBRUSH hBrush;
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DWORD cdrf;
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HRESULT hr = GetThemeFont(theme, hDC, part, state, TMT_FONT, &lf);
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if (SUCCEEDED(hr)) {
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font = CreateFontIndirectW(&lf);
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if (!font)
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TRACE("Failed to create font\n");
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else {
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TRACE("font = %s\n", debugstr_w(lf.lfFaceName));
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hPrevFont = SelectObject(hDC, font);
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created_font = TRUE;
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}
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} else {
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font = get_button_font(hwnd);
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hPrevFont = SelectObject(hDC, font);
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}
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if (FAILED(GetThemePartSize(theme, hDC, part, state, NULL, TS_DRAW, &sz)))
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sz.cx = sz.cy = 13;
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GetClientRect(hwnd, &bgRect);
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if (prfFlag == 0)
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{
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DrawThemeParentBackground(hwnd, hDC, NULL);
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}
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parent = GetParent(hwnd);
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if (!parent) parent = hwnd;
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hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
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(WPARAM)hDC, (LPARAM)hwnd);
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if (!hBrush) /* did the app forget to call defwindowproc ? */
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hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
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(WPARAM)hDC, (LPARAM)hwnd );
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FillRect( hDC, &bgRect, hBrush );
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cdrf = BUTTON_SendCustomDraw(hwnd, hDC, CDDS_PREERASE, &bgRect);
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if (cdrf == CDRF_SKIPDEFAULT)
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goto cleanup;
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GetThemeBackgroundContentRect(theme, hDC, part, state, &bgRect, &textRect);
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if (dtFlags & DT_SINGLELINE) /* Center the checkbox / radio button to the text. */
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bgRect.top = bgRect.top + (textRect.bottom - textRect.top - sz.cy) / 2;
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/* adjust for the check/radio marker */
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bgRect.bottom = bgRect.top + sz.cy;
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bgRect.right = bgRect.left + sz.cx;
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textRect.left = bgRect.right + 6;
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DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL);
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if (cdrf == CDRF_NOTIFYPOSTERASE)
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BUTTON_SendCustomDraw(hwnd, hDC, CDDS_POSTERASE, &bgRect);
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cdrf = BUTTON_SendCustomDraw(hwnd, hDC, CDDS_PREPAINT, &bgRect);
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if (cdrf == CDRF_SKIPDEFAULT)
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goto cleanup;
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text = get_button_text(hwnd);
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if (text)
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{
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DrawThemeText(theme, hDC, part, state, text, lstrlenW(text), dtFlags, 0, &textRect);
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if (focused)
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{
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RECT focusRect;
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focusRect = textRect;
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DrawTextW(hDC, text, lstrlenW(text), &focusRect, dtFlags | DT_CALCRECT);
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if (focusRect.right < textRect.right) focusRect.right++;
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focusRect.bottom = textRect.bottom;
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DrawFocusRect( hDC, &focusRect );
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}
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HeapFree(GetProcessHeap(), 0, text);
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}
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if (cdrf == CDRF_NOTIFYPOSTPAINT)
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BUTTON_SendCustomDraw(hwnd, hDC, CDDS_POSTPAINT, &bgRect);
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cleanup:
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if (created_font) DeleteObject(font);
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if (hPrevFont) SelectObject(hDC, hPrevFont);
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}
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#ifdef __REACTOS__ /* r73885 */
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static void GB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused, LPARAM prfFlag)
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#else
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static void GB_draw(HTHEME theme, HWND hwnd, HDC hDC, ButtonState drawState, UINT dtFlags, BOOL focused)
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#endif
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{
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static const int states[] = { GBS_NORMAL, GBS_NORMAL, GBS_NORMAL, GBS_DISABLED, GBS_NORMAL };
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RECT bgRect, textRect, contentRect;
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int state = states[ drawState ];
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WCHAR *text = get_button_text(hwnd);
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LOGFONTW lf;
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HFONT font, hPrevFont = NULL;
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BOOL created_font = FALSE;
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#ifdef __REACTOS__ /* r74406 */
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HWND parent;
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HBRUSH hBrush;
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RECT clientRect;
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#endif
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HRESULT hr = GetThemeFont(theme, hDC, BP_GROUPBOX, state, TMT_FONT, &lf);
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if (SUCCEEDED(hr)) {
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font = CreateFontIndirectW(&lf);
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if (!font)
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TRACE("Failed to create font\n");
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else {
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hPrevFont = SelectObject(hDC, font);
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created_font = TRUE;
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}
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} else {
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#ifdef __REACTOS__ /* r73885 */
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font = get_button_font(hwnd);
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#else
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font = (HFONT)SendMessageW(hwnd, WM_GETFONT, 0, 0);
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#endif
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hPrevFont = SelectObject(hDC, font);
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}
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GetClientRect(hwnd, &bgRect);
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textRect = bgRect;
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if (text)
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{
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SIZE textExtent;
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GetTextExtentPoint32W(hDC, text, lstrlenW(text), &textExtent);
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bgRect.top += (textExtent.cy / 2);
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textRect.left += 10;
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textRect.bottom = textRect.top + textExtent.cy;
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textRect.right = textRect.left + textExtent.cx + 4;
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ExcludeClipRect(hDC, textRect.left, textRect.top, textRect.right, textRect.bottom);
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}
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GetThemeBackgroundContentRect(theme, hDC, BP_GROUPBOX, state, &bgRect, &contentRect);
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ExcludeClipRect(hDC, contentRect.left, contentRect.top, contentRect.right, contentRect.bottom);
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#ifdef __REACTOS__ /* r73885 & r74149 */
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if (prfFlag == 0)
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{
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if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state))
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DrawThemeParentBackground(hwnd, hDC, NULL);
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}
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#else
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if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state))
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DrawThemeParentBackground(hwnd, hDC, NULL);
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#endif
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#ifdef __REACTOS__ /* r74406 */
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parent = GetParent(hwnd);
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if (!parent) parent = hwnd;
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hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC,
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(WPARAM)hDC, (LPARAM)hwnd);
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if (!hBrush) /* did the app forget to call defwindowproc ? */
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hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC,
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(WPARAM)hDC, (LPARAM)hwnd );
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GetClientRect(hwnd, &clientRect);
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FillRect( hDC, &clientRect, hBrush );
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#endif
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DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL);
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SelectClipRgn(hDC, NULL);
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if (text)
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{
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InflateRect(&textRect, -2, 0);
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DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect);
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HeapFree(GetProcessHeap(), 0, text);
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}
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if (created_font) DeleteObject(font);
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if (hPrevFont) SelectObject(hDC, hPrevFont);
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}
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static const pfThemedPaint btnThemedPaintFunc[BUTTON_TYPE + 1] =
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{
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PB_draw, /* BS_PUSHBUTTON */
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PB_draw, /* BS_DEFPUSHBUTTON */
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CB_draw, /* BS_CHECKBOX */
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CB_draw, /* BS_AUTOCHECKBOX */
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CB_draw, /* BS_RADIOBUTTON */
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CB_draw, /* BS_3STATE */
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CB_draw, /* BS_AUTO3STATE */
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GB_draw, /* BS_GROUPBOX */
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NULL, /* BS_USERBUTTON */
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CB_draw, /* BS_AUTORADIOBUTTON */
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NULL, /* Not defined */
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NULL, /* BS_OWNERDRAW */
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NULL, /* Not defined */
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NULL, /* Not defined */
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NULL, /* Not defined */
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NULL, /* Not defined */
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};
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BOOL BUTTON_PaintWithTheme(HTHEME theme, HWND hwnd, HDC hParamDC, LPARAM prfFlag)
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{
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DWORD dwStyle;
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DWORD dwStyleEx;
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DWORD type;
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UINT dtFlags;
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int state;
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ButtonState drawState;
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pfThemedPaint paint;
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/* Don't draw with themes on a button with BS_ICON or BS_BITMAP */
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if (get_button_image(hwnd) != 0)
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return FALSE;
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dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
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type = dwStyle & BUTTON_TYPE;
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if (type != BS_PUSHBUTTON && type != BS_DEFPUSHBUTTON && (dwStyle & BS_PUSHLIKE))
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type = BS_PUSHBUTTON;
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paint = btnThemedPaintFunc[type];
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if (!paint)
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return FALSE;
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dwStyleEx = GetWindowLongW(hwnd, GWL_EXSTYLE);
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dtFlags = get_drawtext_flags(dwStyle, dwStyleEx);
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state = get_button_state(hwnd);
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if(dwStyle & WS_DISABLED)
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drawState = STATE_DISABLED;
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else if(state & BST_PUSHED)
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drawState = STATE_PRESSED;
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else if ((dwStyle & BS_PUSHLIKE) && (state & (BST_CHECKED|BST_INDETERMINATE)))
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drawState = STATE_PRESSED;
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else if(state & BST_HOT)
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drawState = STATE_HOT;
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else if((state & BST_FOCUS) || (dwStyle & BS_DEFPUSHBUTTON))
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drawState = STATE_DEFAULTED;
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else
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drawState = STATE_NORMAL;
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if (paint == PB_draw || paint == CB_draw)
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{
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HDC hdc;
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HBITMAP hbmp;
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RECT rc;
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GetClientRect(hwnd, &rc);
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hdc = CreateCompatibleDC(hParamDC);
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hbmp = CreateCompatibleBitmap(hParamDC, rc.right, rc.bottom);
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if (hdc && hbmp)
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{
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SelectObject(hdc, hbmp);
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paint(theme, hwnd, hdc, drawState, dtFlags, state & BST_FOCUS, prfFlag);
|
|
|
|
BitBlt(hParamDC, 0, 0, rc.right, rc.bottom, hdc, 0, 0, SRCCOPY);
|
|
DeleteObject(hbmp);
|
|
DeleteDC(hdc);
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
ERR("Failed to create DC and bitmap for double buffering\n");
|
|
if (hbmp)
|
|
DeleteObject(hbmp);
|
|
if (hdc)
|
|
DeleteDC(hdc);
|
|
}
|
|
}
|
|
|
|
paint(theme, hwnd, hParamDC, drawState, dtFlags, state & BST_FOCUS, prfFlag);
|
|
return TRUE;
|
|
}
|
|
|
|
#endif |