/* * Copyright (C) 1993 Johannes Ruscheinski * Copyright (C) 1993 David Metcalfe * Copyright (C) 1994 Alexandre Julliard * Copyright (C) 2008 by Reece H. Dunn * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA * * TODO * Styles * - BS_NOTIFY: is it complete? * - BS_RIGHTBUTTON: same as BS_LEFTTEXT * * Messages * - WM_CHAR: Checks a (manual or automatic) check box on '+' or '=', clears it on '-' key. * - WM_SETFOCUS: For (manual or automatic) radio buttons, send the parent window BN_CLICKED * - WM_NCCREATE: Turns any BS_OWNERDRAW button into a BS_PUSHBUTTON button. * - WM_SYSKEYUP * * Notifications * - BCN_HOTITEMCHANGE * - BN_DISABLE * - BN_PUSHED/BN_HILITE * + BN_KILLFOCUS: is it OK? * - BN_PAINT * + BN_SETFOCUS: is it OK? * - BN_UNPUSHED/BN_UNHILITE * - NM_CUSTOMDRAW * * Structures/Macros/Definitions * - NMBCHOTITEM */ #include #include #include #define OEMRESOURCE #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "uxtheme.h" #include "vssym32.h" #include "wine/debug.h" #include "wine/heap.h" #include "comctl32.h" WINE_DEFAULT_DEBUG_CHANNEL(button); /* undocumented flags */ #define BUTTON_NSTATES 0x0F #define BUTTON_BTNPRESSED 0x40 #define BUTTON_UNKNOWN2 0x20 #define BUTTON_UNKNOWN3 0x10 #define BUTTON_NOTIFY_PARENT(hWnd, code) \ do { /* Notify parent which has created this button control */ \ TRACE("notification " #code " sent to hwnd=%p\n", GetParent(hWnd)); \ SendMessageW(GetParent(hWnd), WM_COMMAND, \ MAKEWPARAM(GetWindowLongPtrW((hWnd),GWLP_ID), (code)), \ (LPARAM)(hWnd)); \ } while(0) typedef struct _BUTTON_INFO { HWND hwnd; HWND parent; LONG style; LONG state; HFONT font; WCHAR *note; INT note_length; DWORD image_type; /* IMAGE_BITMAP or IMAGE_ICON */ BUTTON_IMAGELIST imagelist; RECT text_margin; union { HICON icon; HBITMAP bitmap; HANDLE image; } u; } BUTTON_INFO; static UINT BUTTON_CalcLayoutRects( const BUTTON_INFO *infoPtr, HDC hdc, RECT *labelRc, RECT *imageRc, RECT *textRc ); static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ); static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ); static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ); static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ); static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ); static void BUTTON_CheckAutoRadioButton( HWND hwnd ); #define MAX_BTN_TYPE 16 static const WORD maxCheckState[MAX_BTN_TYPE] = { BST_UNCHECKED, /* BS_PUSHBUTTON */ BST_UNCHECKED, /* BS_DEFPUSHBUTTON */ BST_CHECKED, /* BS_CHECKBOX */ BST_CHECKED, /* BS_AUTOCHECKBOX */ BST_CHECKED, /* BS_RADIOBUTTON */ BST_INDETERMINATE, /* BS_3STATE */ BST_INDETERMINATE, /* BS_AUTO3STATE */ BST_UNCHECKED, /* BS_GROUPBOX */ BST_UNCHECKED, /* BS_USERBUTTON */ BST_CHECKED, /* BS_AUTORADIOBUTTON */ BST_UNCHECKED, /* BS_PUSHBOX */ BST_UNCHECKED, /* BS_OWNERDRAW */ BST_UNCHECKED, /* BS_SPLITBUTTON */ BST_UNCHECKED, /* BS_DEFSPLITBUTTON */ BST_UNCHECKED, /* BS_COMMANDLINK */ BST_UNCHECKED /* BS_DEFCOMMANDLINK */ }; /* Generic draw states, use get_draw_state() to get specific state for button type */ enum draw_state { STATE_NORMAL, STATE_DISABLED, STATE_HOT, STATE_PRESSED, STATE_DEFAULTED, DRAW_STATE_COUNT }; typedef void (*pfPaint)( const BUTTON_INFO *infoPtr, HDC hdc, UINT action ); static const pfPaint btnPaintFunc[MAX_BTN_TYPE] = { PB_Paint, /* BS_PUSHBUTTON */ PB_Paint, /* BS_DEFPUSHBUTTON */ CB_Paint, /* BS_CHECKBOX */ CB_Paint, /* BS_AUTOCHECKBOX */ CB_Paint, /* BS_RADIOBUTTON */ CB_Paint, /* BS_3STATE */ CB_Paint, /* BS_AUTO3STATE */ GB_Paint, /* BS_GROUPBOX */ UB_Paint, /* BS_USERBUTTON */ CB_Paint, /* BS_AUTORADIOBUTTON */ NULL, /* BS_PUSHBOX */ OB_Paint, /* BS_OWNERDRAW */ PB_Paint, /* BS_SPLITBUTTON */ PB_Paint, /* BS_DEFSPLITBUTTON */ PB_Paint, /* BS_COMMANDLINK */ PB_Paint /* BS_DEFCOMMANDLINK */ }; typedef void (*pfThemedPaint)( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, int drawState, UINT dtflags, BOOL focused); static void PB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, int drawState, UINT dtflags, BOOL focused); static void CB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, int drawState, UINT dtflags, BOOL focused); static void GB_ThemedPaint( HTHEME theme, const BUTTON_INFO *infoPtr, HDC hdc, int drawState, UINT dtflags, BOOL focused); static const pfThemedPaint btnThemedPaintFunc[MAX_BTN_TYPE] = { PB_ThemedPaint, /* BS_PUSHBUTTON */ PB_ThemedPaint, /* BS_DEFPUSHBUTTON */ CB_ThemedPaint, /* BS_CHECKBOX */ CB_ThemedPaint, /* BS_AUTOCHECKBOX */ CB_ThemedPaint, /* BS_RADIOBUTTON */ CB_ThemedPaint, /* BS_3STATE */ CB_ThemedPaint, /* BS_AUTO3STATE */ GB_ThemedPaint, /* BS_GROUPBOX */ NULL, /* BS_USERBUTTON */ CB_ThemedPaint, /* BS_AUTORADIOBUTTON */ NULL, /* BS_PUSHBOX */ NULL, /* BS_OWNERDRAW */ NULL, /* BS_SPLITBUTTON */ NULL, /* BS_DEFSPLITBUTTON */ NULL, /* BS_COMMANDLINK */ NULL, /* BS_DEFCOMMANDLINK */ }; typedef BOOL (*pfGetIdealSize)(BUTTON_INFO *infoPtr, SIZE *size); static BOOL PB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size); static BOOL CB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size); static BOOL GB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size); static const pfGetIdealSize btnGetIdealSizeFunc[MAX_BTN_TYPE] = { PB_GetIdealSize, /* BS_PUSHBUTTON */ PB_GetIdealSize, /* BS_DEFPUSHBUTTON */ CB_GetIdealSize, /* BS_CHECKBOX */ CB_GetIdealSize, /* BS_AUTOCHECKBOX */ CB_GetIdealSize, /* BS_RADIOBUTTON */ GB_GetIdealSize, /* BS_3STATE */ GB_GetIdealSize, /* BS_AUTO3STATE */ GB_GetIdealSize, /* BS_GROUPBOX */ PB_GetIdealSize, /* BS_USERBUTTON */ CB_GetIdealSize, /* BS_AUTORADIOBUTTON */ GB_GetIdealSize, /* BS_PUSHBOX */ GB_GetIdealSize, /* BS_OWNERDRAW */ /* GetIdealSize() for following types are unimplemented, use BS_PUSHBUTTON's for now */ PB_GetIdealSize, /* BS_SPLITBUTTON */ PB_GetIdealSize, /* BS_DEFSPLITBUTTON */ PB_GetIdealSize, /* BS_COMMANDLINK */ PB_GetIdealSize /* BS_DEFCOMMANDLINK */ }; static inline UINT get_button_type( LONG window_style ) { return (window_style & BS_TYPEMASK); } /* paint a button of any type */ static inline void paint_button( BUTTON_INFO *infoPtr, LONG style, UINT action ) { if (btnPaintFunc[style] && IsWindowVisible(infoPtr->hwnd)) { HDC hdc = GetDC( infoPtr->hwnd ); btnPaintFunc[style]( infoPtr, hdc, action ); ReleaseDC( infoPtr->hwnd, hdc ); } } /* retrieve the button text; returned buffer must be freed by caller */ static inline WCHAR *get_button_text( const BUTTON_INFO *infoPtr ) { INT len = GetWindowTextLengthW( infoPtr->hwnd ); WCHAR *buffer = heap_alloc( (len + 1) * sizeof(WCHAR) ); if (buffer) GetWindowTextW( infoPtr->hwnd, buffer, len + 1 ); return buffer; } HRGN set_control_clipping( HDC hdc, const RECT *rect ) { RECT rc = *rect; HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 ); if (GetClipRgn( hdc, hrgn ) != 1) { DeleteObject( hrgn ); hrgn = 0; } DPtoLP( hdc, (POINT *)&rc, 2 ); if (GetLayout( hdc ) & LAYOUT_RTL) /* compensate for the shifting done by IntersectClipRect */ { rc.left++; rc.right++; } IntersectClipRect( hdc, rc.left, rc.top, rc.right, rc.bottom ); return hrgn; } static WCHAR *heap_strndupW(const WCHAR *src, size_t length) { size_t size = (length + 1) * sizeof(WCHAR); WCHAR *dst = heap_alloc(size); if (dst) memcpy(dst, src, size); return dst; } /********************************************************************** * Convert button styles to flags used by DrawText. */ static UINT BUTTON_BStoDT( DWORD style, DWORD ex_style ) { UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */ /* "Convert" pushlike buttons to pushbuttons */ if (style & BS_PUSHLIKE) style &= ~BS_TYPEMASK; if (!(style & BS_MULTILINE)) dtStyle |= DT_SINGLELINE; else dtStyle |= DT_WORDBREAK; switch (style & BS_CENTER) { case BS_LEFT: /* DT_LEFT is 0 */ break; case BS_RIGHT: dtStyle |= DT_RIGHT; break; case BS_CENTER: dtStyle |= DT_CENTER; break; default: /* Pushbutton's text is centered by default */ if (get_button_type(style) <= BS_DEFPUSHBUTTON) dtStyle |= DT_CENTER; /* all other flavours have left aligned text */ } if (ex_style & WS_EX_RIGHT) dtStyle = DT_RIGHT | (dtStyle & ~(DT_LEFT | DT_CENTER)); /* DrawText ignores vertical alignment for multiline text, * but we use these flags to align label manually. */ if (get_button_type(style) != BS_GROUPBOX) { switch (style & BS_VCENTER) { case BS_TOP: /* DT_TOP is 0 */ break; case BS_BOTTOM: dtStyle |= DT_BOTTOM; break; case BS_VCENTER: /* fall through */ default: dtStyle |= DT_VCENTER; break; } } return dtStyle; } static int get_draw_state(const BUTTON_INFO *infoPtr) { static const int pb_states[DRAW_STATE_COUNT] = { PBS_NORMAL, PBS_DISABLED, PBS_HOT, PBS_PRESSED, PBS_DEFAULTED }; static const int cb_states[3][DRAW_STATE_COUNT] = { { CBS_UNCHECKEDNORMAL, CBS_UNCHECKEDDISABLED, CBS_UNCHECKEDHOT, CBS_UNCHECKEDPRESSED, CBS_UNCHECKEDNORMAL }, { CBS_CHECKEDNORMAL, CBS_CHECKEDDISABLED, CBS_CHECKEDHOT, CBS_CHECKEDPRESSED, CBS_CHECKEDNORMAL }, { CBS_MIXEDNORMAL, CBS_MIXEDDISABLED, CBS_MIXEDHOT, CBS_MIXEDPRESSED, CBS_MIXEDNORMAL } }; static const int rb_states[2][DRAW_STATE_COUNT] = { { RBS_UNCHECKEDNORMAL, RBS_UNCHECKEDDISABLED, RBS_UNCHECKEDHOT, RBS_UNCHECKEDPRESSED, RBS_UNCHECKEDNORMAL }, { RBS_CHECKEDNORMAL, RBS_CHECKEDDISABLED, RBS_CHECKEDHOT, RBS_CHECKEDPRESSED, RBS_CHECKEDNORMAL } }; static const int gb_states[DRAW_STATE_COUNT] = { GBS_NORMAL, GBS_DISABLED, GBS_NORMAL, GBS_NORMAL, GBS_NORMAL }; LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); UINT type = get_button_type(style); int check_state = infoPtr->state & 3; enum draw_state state; if (!IsWindowEnabled(infoPtr->hwnd)) state = STATE_DISABLED; else if (infoPtr->state & BST_PUSHED) state = STATE_PRESSED; else if (infoPtr->state & BST_HOT) state = STATE_HOT; else if (infoPtr->state & BST_FOCUS) state = STATE_DEFAULTED; else state = STATE_NORMAL; switch (type) { case BS_PUSHBUTTON: case BS_DEFPUSHBUTTON: case BS_USERBUTTON: case BS_SPLITBUTTON: case BS_DEFSPLITBUTTON: case BS_COMMANDLINK: case BS_DEFCOMMANDLINK: return pb_states[state]; case BS_CHECKBOX: case BS_AUTOCHECKBOX: return cb_states[check_state][state]; case BS_RADIOBUTTON: case BS_3STATE: case BS_AUTO3STATE: case BS_AUTORADIOBUTTON: return rb_states[check_state][state]; case BS_GROUPBOX: return gb_states[state]; default: WARN("Unsupported button type 0x%08x\n", type); return PBS_NORMAL; } } static LRESULT CALLBACK BUTTON_WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { BUTTON_INFO *infoPtr = (BUTTON_INFO *)GetWindowLongPtrW(hWnd, 0); RECT rect; POINT pt; LONG style = GetWindowLongW( hWnd, GWL_STYLE ); UINT btn_type = get_button_type( style ); LONG state, new_state; HANDLE oldHbitmap; HTHEME theme; if (!IsWindow( hWnd )) return 0; if (!infoPtr && (uMsg != WM_NCCREATE)) return DefWindowProcW(hWnd, uMsg, wParam, lParam); pt.x = (short)LOWORD(lParam); pt.y = (short)HIWORD(lParam); switch (uMsg) { case WM_GETDLGCODE: switch(btn_type) { case BS_COMMANDLINK: case BS_USERBUTTON: case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON; case BS_DEFCOMMANDLINK: case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON; case BS_RADIOBUTTON: case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON; case BS_GROUPBOX: return DLGC_STATIC; case BS_SPLITBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON | DLGC_WANTARROWS; case BS_DEFSPLITBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON | DLGC_WANTARROWS; default: return DLGC_BUTTON; } case WM_ENABLE: theme = GetWindowTheme( hWnd ); if (theme) RedrawWindow( hWnd, NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW ); else paint_button( infoPtr, btn_type, ODA_DRAWENTIRE ); break; case WM_NCCREATE: { CREATESTRUCTW *cs = (CREATESTRUCTW *)lParam; infoPtr = heap_alloc_zero( sizeof(*infoPtr) ); SetWindowLongPtrW( hWnd, 0, (LONG_PTR)infoPtr ); infoPtr->hwnd = hWnd; infoPtr->parent = cs->hwndParent; infoPtr->style = cs->style; return DefWindowProcW(hWnd, uMsg, wParam, lParam); } case WM_NCDESTROY: SetWindowLongPtrW( hWnd, 0, 0 ); heap_free(infoPtr->note); heap_free(infoPtr); break; case WM_CREATE: if (btn_type >= MAX_BTN_TYPE) return -1; /* abort */ /* XP turns a BS_USERBUTTON into BS_PUSHBUTTON */ if (btn_type == BS_USERBUTTON ) { style = (style & ~BS_TYPEMASK) | BS_PUSHBUTTON; SetWindowLongW( hWnd, GWL_STYLE, style ); } infoPtr->state = BST_UNCHECKED; OpenThemeData( hWnd, WC_BUTTONW ); return 0; case WM_DESTROY: theme = GetWindowTheme( hWnd ); CloseThemeData( theme ); break; case WM_THEMECHANGED: theme = GetWindowTheme( hWnd ); CloseThemeData( theme ); OpenThemeData( hWnd, WC_BUTTONW ); break; case WM_ERASEBKGND: if (btn_type == BS_OWNERDRAW) { HDC hdc = (HDC)wParam; RECT rc; HBRUSH hBrush; HWND parent = GetParent(hWnd); if (!parent) parent = hWnd; hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hdc, (LPARAM)hWnd); if (!hBrush) /* did the app forget to call defwindowproc ? */ hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, (WPARAM)hdc, (LPARAM)hWnd); GetClientRect(hWnd, &rc); FillRect(hdc, &rc, hBrush); } return 1; case WM_PRINTCLIENT: case WM_PAINT: { PAINTSTRUCT ps; HDC hdc; theme = GetWindowTheme( hWnd ); hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps ); if (theme && btnThemedPaintFunc[btn_type]) { int drawState = get_draw_state(infoPtr); UINT dtflags = BUTTON_BStoDT(style, GetWindowLongW(hWnd, GWL_EXSTYLE)); btnThemedPaintFunc[btn_type](theme, infoPtr, hdc, drawState, dtflags, infoPtr->state & BST_FOCUS); } else if (btnPaintFunc[btn_type]) { int nOldMode = SetBkMode( hdc, OPAQUE ); btnPaintFunc[btn_type]( infoPtr, hdc, ODA_DRAWENTIRE ); SetBkMode(hdc, nOldMode); /* reset painting mode */ } if ( !wParam ) EndPaint( hWnd, &ps ); break; } case WM_KEYDOWN: if (wParam == VK_SPACE) { SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); infoPtr->state |= BUTTON_BTNPRESSED; SetCapture( hWnd ); } break; case WM_LBUTTONDBLCLK: if(style & BS_NOTIFY || btn_type == BS_RADIOBUTTON || btn_type == BS_USERBUTTON || btn_type == BS_OWNERDRAW) { BUTTON_NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED); break; } /* fall through */ case WM_LBUTTONDOWN: SetCapture( hWnd ); SetFocus( hWnd ); infoPtr->state |= BUTTON_BTNPRESSED; SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); break; case WM_KEYUP: if (wParam != VK_SPACE) break; /* fall through */ case WM_LBUTTONUP: state = infoPtr->state; if (!(state & BUTTON_BTNPRESSED)) break; infoPtr->state &= BUTTON_NSTATES; if (!(state & BST_PUSHED)) { ReleaseCapture(); break; } SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); GetClientRect( hWnd, &rect ); if (uMsg == WM_KEYUP || PtInRect( &rect, pt )) { switch(btn_type) { case BS_AUTOCHECKBOX: SendMessageW( hWnd, BM_SETCHECK, !(infoPtr->state & BST_CHECKED), 0 ); break; case BS_AUTORADIOBUTTON: SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 ); break; case BS_AUTO3STATE: SendMessageW( hWnd, BM_SETCHECK, (infoPtr->state & BST_INDETERMINATE) ? 0 : ((infoPtr->state & 3) + 1), 0 ); break; } ReleaseCapture(); BUTTON_NOTIFY_PARENT(hWnd, BN_CLICKED); } else { ReleaseCapture(); } break; case WM_CAPTURECHANGED: TRACE("WM_CAPTURECHANGED %p\n", hWnd); if (hWnd == (HWND)lParam) break; if (infoPtr->state & BUTTON_BTNPRESSED) { infoPtr->state &= BUTTON_NSTATES; if (infoPtr->state & BST_PUSHED) SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); } break; case WM_MOUSEMOVE: { TRACKMOUSEEVENT mouse_event; mouse_event.cbSize = sizeof(TRACKMOUSEEVENT); mouse_event.dwFlags = TME_QUERY; if (!TrackMouseEvent(&mouse_event) || !(mouse_event.dwFlags & (TME_HOVER | TME_LEAVE))) { mouse_event.dwFlags = TME_HOVER | TME_LEAVE; mouse_event.hwndTrack = hWnd; mouse_event.dwHoverTime = 1; TrackMouseEvent(&mouse_event); } if ((wParam & MK_LBUTTON) && GetCapture() == hWnd) { GetClientRect( hWnd, &rect ); SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 ); } break; } case WM_MOUSEHOVER: { infoPtr->state |= BST_HOT; InvalidateRect( hWnd, NULL, FALSE ); break; } case WM_MOUSELEAVE: { infoPtr->state &= ~BST_HOT; InvalidateRect( hWnd, NULL, FALSE ); break; } case WM_SETTEXT: { /* Clear an old text here as Windows does */ if (IsWindowVisible(hWnd)) { HDC hdc = GetDC(hWnd); HBRUSH hbrush; RECT client, rc; HWND parent = GetParent(hWnd); UINT message = (btn_type == BS_PUSHBUTTON || btn_type == BS_DEFPUSHBUTTON || btn_type == BS_USERBUTTON || btn_type == BS_OWNERDRAW) ? WM_CTLCOLORBTN : WM_CTLCOLORSTATIC; if (!parent) parent = hWnd; hbrush = (HBRUSH)SendMessageW(parent, message, (WPARAM)hdc, (LPARAM)hWnd); if (!hbrush) /* did the app forget to call DefWindowProc ? */ hbrush = (HBRUSH)DefWindowProcW(parent, message, (WPARAM)hdc, (LPARAM)hWnd); GetClientRect(hWnd, &client); rc = client; /* FIXME: check other BS_* handlers */ if (btn_type == BS_GROUPBOX) InflateRect(&rc, -7, 1); /* GB_Paint does this */ BUTTON_CalcLayoutRects(infoPtr, hdc, &rc, NULL, NULL); /* Clip by client rect bounds */ if (rc.right > client.right) rc.right = client.right; if (rc.bottom > client.bottom) rc.bottom = client.bottom; FillRect(hdc, &rc, hbrush); ReleaseDC(hWnd, hdc); } DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam ); if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */ InvalidateRect( hWnd, NULL, TRUE ); else paint_button( infoPtr, btn_type, ODA_DRAWENTIRE ); return 1; /* success. FIXME: check text length */ } case BCM_SETNOTE: { WCHAR *note = (WCHAR *)lParam; if (btn_type != BS_COMMANDLINK && btn_type != BS_DEFCOMMANDLINK) { SetLastError(ERROR_NOT_SUPPORTED); return FALSE; } heap_free(infoPtr->note); if (note) { infoPtr->note_length = lstrlenW(note); infoPtr->note = heap_strndupW(note, infoPtr->note_length); } if (!note || !infoPtr->note) { infoPtr->note_length = 0; infoPtr->note = heap_alloc_zero(sizeof(WCHAR)); } SetLastError(NO_ERROR); return TRUE; } case BCM_GETNOTE: { DWORD *size = (DWORD *)wParam; WCHAR *buffer = (WCHAR *)lParam; INT length = 0; if (btn_type != BS_COMMANDLINK && btn_type != BS_DEFCOMMANDLINK) { SetLastError(ERROR_NOT_SUPPORTED); return FALSE; } if (!buffer || !size || !infoPtr->note) { SetLastError(ERROR_INVALID_PARAMETER); return FALSE; } if (*size > 0) { length = min(*size - 1, infoPtr->note_length); memcpy(buffer, infoPtr->note, length * sizeof(WCHAR)); buffer[length] = '\0'; } if (*size < infoPtr->note_length + 1) { *size = infoPtr->note_length + 1; SetLastError(ERROR_INSUFFICIENT_BUFFER); return FALSE; } else { SetLastError(NO_ERROR); return TRUE; } } case BCM_GETNOTELENGTH: { if (btn_type != BS_COMMANDLINK && btn_type != BS_DEFCOMMANDLINK) { SetLastError(ERROR_NOT_SUPPORTED); return 0; } return infoPtr->note_length; } case WM_SETFONT: infoPtr->font = (HFONT)wParam; if (lParam) InvalidateRect(hWnd, NULL, TRUE); break; case WM_GETFONT: return (LRESULT)infoPtr->font; case WM_SETFOCUS: TRACE("WM_SETFOCUS %p\n",hWnd); infoPtr->state |= BST_FOCUS; paint_button( infoPtr, btn_type, ODA_FOCUS ); if (style & BS_NOTIFY) BUTTON_NOTIFY_PARENT(hWnd, BN_SETFOCUS); break; case WM_KILLFOCUS: TRACE("WM_KILLFOCUS %p\n",hWnd); infoPtr->state &= ~BST_FOCUS; paint_button( infoPtr, btn_type, ODA_FOCUS ); if ((infoPtr->state & BUTTON_BTNPRESSED) && GetCapture() == hWnd) ReleaseCapture(); if (style & BS_NOTIFY) BUTTON_NOTIFY_PARENT(hWnd, BN_KILLFOCUS); InvalidateRect( hWnd, NULL, FALSE ); break; case WM_SYSCOLORCHANGE: InvalidateRect( hWnd, NULL, FALSE ); break; case BM_SETSTYLE: btn_type = wParam & BS_TYPEMASK; style = (style & ~BS_TYPEMASK) | btn_type; SetWindowLongW( hWnd, GWL_STYLE, style ); /* Only redraw if lParam flag is set.*/ if (lParam) InvalidateRect( hWnd, NULL, TRUE ); break; case BM_CLICK: SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 ); SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 ); break; case BM_SETIMAGE: infoPtr->image_type = (DWORD)wParam; oldHbitmap = infoPtr->u.image; infoPtr->u.image = (HANDLE)lParam; InvalidateRect( hWnd, NULL, FALSE ); return (LRESULT)oldHbitmap; case BM_GETIMAGE: return (LRESULT)infoPtr->u.image; case BCM_SETIMAGELIST: { BUTTON_IMAGELIST *imagelist = (BUTTON_IMAGELIST *)lParam; if (!imagelist) return FALSE; infoPtr->imagelist = *imagelist; return TRUE; } case BCM_GETIMAGELIST: { BUTTON_IMAGELIST *imagelist = (BUTTON_IMAGELIST *)lParam; if (!imagelist) return FALSE; *imagelist = infoPtr->imagelist; return TRUE; } case BM_GETCHECK: return infoPtr->state & 3; case BM_SETCHECK: if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type]; if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON)) { style = wParam ? style | WS_TABSTOP : style & ~WS_TABSTOP; SetWindowLongW( hWnd, GWL_STYLE, style ); } if ((infoPtr->state & 3) != wParam) { infoPtr->state = (infoPtr->state & ~3) | wParam; InvalidateRect( hWnd, NULL, FALSE ); } if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BST_CHECKED) && (style & WS_CHILD)) BUTTON_CheckAutoRadioButton( hWnd ); break; case BM_GETSTATE: return infoPtr->state; case BM_SETSTATE: state = infoPtr->state; new_state = wParam ? BST_PUSHED : 0; if ((state ^ new_state) & BST_PUSHED) { if (wParam) state |= BST_PUSHED; else state &= ~BST_PUSHED; if (btn_type == BS_USERBUTTON) BUTTON_NOTIFY_PARENT( hWnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE ); infoPtr->state = state; InvalidateRect( hWnd, NULL, FALSE ); } break; case BCM_SETTEXTMARGIN: { RECT *text_margin = (RECT *)lParam; if (!text_margin) return FALSE; infoPtr->text_margin = *text_margin; return TRUE; } case BCM_GETTEXTMARGIN: { RECT *text_margin = (RECT *)lParam; if (!text_margin) return FALSE; *text_margin = infoPtr->text_margin; return TRUE; } case BCM_GETIDEALSIZE: { SIZE *size = (SIZE *)lParam; if (!size) return FALSE; return btnGetIdealSizeFunc[btn_type](infoPtr, size); } case WM_NCHITTEST: if(btn_type == BS_GROUPBOX) return HTTRANSPARENT; /* fall through */ default: return DefWindowProcW(hWnd, uMsg, wParam, lParam); } return 0; } /* If maxWidth is zero, rectangle width is unlimited */ static RECT BUTTON_GetTextRect(const BUTTON_INFO *infoPtr, HDC hdc, const WCHAR *text, LONG maxWidth) { LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); LONG exStyle = GetWindowLongW(infoPtr->hwnd, GWL_EXSTYLE); UINT dtStyle = BUTTON_BStoDT(style, exStyle); HFONT hPrevFont; RECT rect = {0}; rect.right = maxWidth; hPrevFont = SelectObject(hdc, infoPtr->font); /* Calculate height without DT_VCENTER and DT_BOTTOM to get the correct height */ DrawTextW(hdc, text, -1, &rect, (dtStyle & ~(DT_VCENTER | DT_BOTTOM)) | DT_CALCRECT); if (hPrevFont) SelectObject(hdc, hPrevFont); return rect; } static BOOL show_image_only(const BUTTON_INFO *infoPtr) { LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); return (style & (BS_ICON | BS_BITMAP)) && (infoPtr->u.image || infoPtr->imagelist.himl); } static BOOL show_image_and_text(const BUTTON_INFO *infoPtr) { LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); UINT type = get_button_type(style); return !(style & (BS_ICON | BS_BITMAP)) && ((infoPtr->u.image && (type == BS_PUSHBUTTON || type == BS_DEFPUSHBUTTON || type == BS_USERBUTTON || type == BS_SPLITBUTTON || type == BS_DEFSPLITBUTTON || type == BS_COMMANDLINK || type == BS_DEFCOMMANDLINK)) || (infoPtr->imagelist.himl && type != BS_GROUPBOX)); } static BOOL show_image(const BUTTON_INFO *infoPtr) { return show_image_only(infoPtr) || show_image_and_text(infoPtr); } /* Get a bounding rectangle that is large enough to contain a image and a text side by side. * Note: (left,top) of the result rectangle may not be (0,0), offset it by yourself if needed */ static RECT BUTTON_GetBoundingLabelRect(LONG style, const RECT *textRect, const RECT *imageRect) { RECT labelRect; RECT rect = *imageRect; INT textWidth = textRect->right - textRect->left; INT textHeight = textRect->bottom - textRect->top; INT imageWidth = imageRect->right - imageRect->left; INT imageHeight = imageRect->bottom - imageRect->top; if ((style & BS_CENTER) == BS_RIGHT) OffsetRect(&rect, textWidth, 0); else if ((style & BS_CENTER) == BS_LEFT) OffsetRect(&rect, -imageWidth, 0); else if ((style & BS_VCENTER) == BS_BOTTOM) OffsetRect(&rect, 0, textHeight); else if ((style & BS_VCENTER) == BS_TOP) OffsetRect(&rect, 0, -imageHeight); else OffsetRect(&rect, -imageWidth, 0); UnionRect(&labelRect, textRect, &rect); return labelRect; } /* Position a rectangle inside a bounding rectangle according to button alignment flags */ static void BUTTON_PositionRect(LONG style, const RECT *outerRect, RECT *innerRect, const RECT *margin) { INT width = innerRect->right - innerRect->left; INT height = innerRect->bottom - innerRect->top; if ((style & WS_EX_RIGHT) && !(style & BS_CENTER)) style |= BS_CENTER; if (!(style & BS_CENTER)) { /* Push button's text is centered by default, all other types have left aligned text */ if (get_button_type(style) <= BS_DEFPUSHBUTTON) style |= BS_CENTER; else style |= BS_LEFT; } if (!(style & BS_VCENTER)) { /* Group box's text is top aligned by default */ if (get_button_type(style) == BS_GROUPBOX) style |= BS_TOP; } switch (style & BS_CENTER) { case BS_CENTER: innerRect->left = outerRect->left + (outerRect->right - outerRect->left - width) / 2; innerRect->right = innerRect->left + width; break; case BS_RIGHT: innerRect->right = outerRect->right - margin->right; innerRect->left = innerRect->right - width; break; case BS_LEFT: default: innerRect->left = outerRect->left + margin->left; innerRect->right = innerRect->left + width; break; } switch (style & BS_VCENTER) { case BS_TOP: innerRect->top = outerRect->top + margin->top; innerRect->bottom = innerRect->top + height; break; case BS_BOTTOM: innerRect->bottom = outerRect->bottom - margin->bottom; innerRect->top = innerRect->bottom - height; break; case BS_VCENTER: default: innerRect->top = outerRect->top + (outerRect->bottom - outerRect->top - height) / 2; innerRect->bottom = innerRect->top + height; break; } } /* Convert imagelist align style to button align style */ static UINT BUTTON_ILStoBS(UINT align) { switch (align) { case BUTTON_IMAGELIST_ALIGN_TOP: return BS_CENTER | BS_TOP; case BUTTON_IMAGELIST_ALIGN_BOTTOM: return BS_CENTER | BS_BOTTOM; case BUTTON_IMAGELIST_ALIGN_CENTER: return BS_CENTER | BS_VCENTER; case BUTTON_IMAGELIST_ALIGN_RIGHT: return BS_RIGHT | BS_VCENTER; case BUTTON_IMAGELIST_ALIGN_LEFT: default: return BS_LEFT | BS_VCENTER; } } static SIZE BUTTON_GetImageSize(const BUTTON_INFO *infoPtr) { ICONINFO iconInfo; BITMAP bm = {0}; SIZE size = {0}; /* ImageList has priority over image */ if (infoPtr->imagelist.himl) ImageList_GetIconSize(infoPtr->imagelist.himl, &size.cx, &size.cy); else if (infoPtr->u.image) { if (infoPtr->image_type == IMAGE_ICON) { GetIconInfo(infoPtr->u.icon, &iconInfo); GetObjectW(iconInfo.hbmColor, sizeof(bm), &bm); DeleteObject(iconInfo.hbmColor); DeleteObject(iconInfo.hbmMask); } else if (infoPtr->image_type == IMAGE_BITMAP) GetObjectW(infoPtr->u.bitmap, sizeof(bm), &bm); size.cx = bm.bmWidth; size.cy = bm.bmHeight; } return size; } static const RECT *BUTTON_GetTextMargin(const BUTTON_INFO *infoPtr) { static const RECT oneMargin = {1, 1, 1, 1}; /* Use text margin only when showing both image and text, and image is not imagelist */ if (show_image_and_text(infoPtr) && !infoPtr->imagelist.himl) return &infoPtr->text_margin; else return &oneMargin; } static void BUTTON_GetClientRectSize(BUTTON_INFO *infoPtr, SIZE *size) { RECT rect; GetClientRect(infoPtr->hwnd, &rect); size->cx = rect.right - rect.left; size->cy = rect.bottom - rect.top; } static void BUTTON_GetTextIdealSize(BUTTON_INFO *infoPtr, LONG maxWidth, SIZE *size) { WCHAR *text = get_button_text(infoPtr); HDC hdc; RECT rect; const RECT *margin = BUTTON_GetTextMargin(infoPtr); if (maxWidth != 0) { maxWidth -= margin->right + margin->right; if (maxWidth <= 0) maxWidth = 1; } hdc = GetDC(infoPtr->hwnd); rect = BUTTON_GetTextRect(infoPtr, hdc, text, maxWidth); ReleaseDC(infoPtr->hwnd, hdc); heap_free(text); size->cx = rect.right - rect.left + margin->left + margin->right; size->cy = rect.bottom - rect.top + margin->top + margin->bottom; } static void BUTTON_GetLabelIdealSize(BUTTON_INFO *infoPtr, LONG maxWidth, SIZE *size) { LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); SIZE imageSize; SIZE textSize; BOOL horizontal; imageSize = BUTTON_GetImageSize(infoPtr); if (infoPtr->imagelist.himl) { imageSize.cx += infoPtr->imagelist.margin.left + infoPtr->imagelist.margin.right; imageSize.cy += infoPtr->imagelist.margin.top + infoPtr->imagelist.margin.bottom; if (infoPtr->imagelist.uAlign == BUTTON_IMAGELIST_ALIGN_TOP || infoPtr->imagelist.uAlign == BUTTON_IMAGELIST_ALIGN_BOTTOM) horizontal = FALSE; else horizontal = TRUE; } else { /* horizontal alignment flags has priority over vertical ones if both are specified */ if (!(style & (BS_CENTER | BS_VCENTER)) || ((style & BS_CENTER) && (style & BS_CENTER) != BS_CENTER) || !(style & BS_VCENTER) || (style & BS_VCENTER) == BS_VCENTER) horizontal = TRUE; else horizontal = FALSE; } if (horizontal) { if (maxWidth != 0) { maxWidth -= imageSize.cx; if (maxWidth <= 0) maxWidth = 1; } BUTTON_GetTextIdealSize(infoPtr, maxWidth, &textSize); size->cx = textSize.cx + imageSize.cx; size->cy = max(textSize.cy, imageSize.cy); } else { BUTTON_GetTextIdealSize(infoPtr, maxWidth, &textSize); size->cx = max(textSize.cx, imageSize.cx); size->cy = textSize.cy + imageSize.cy; } } static BOOL GB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size) { BUTTON_GetClientRectSize(infoPtr, size); return TRUE; } static BOOL CB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size) { LONG style = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); WCHAR *text = get_button_text(infoPtr); HDC hdc; HFONT hfont; SIZE labelSize; INT textOffset; INT textLength = 0; double scaleX; double scaleY; LONG checkboxWidth, checkboxHeight; LONG maxWidth = 0; if (text) textLength = lstrlenW(text); heap_free(text); if (textLength == 0) { BUTTON_GetClientRectSize(infoPtr, size); return TRUE; } hdc = GetDC(infoPtr->hwnd); scaleX = GetDeviceCaps(hdc, LOGPIXELSX) / 96.0; scaleY = GetDeviceCaps(hdc, LOGPIXELSY) / 96.0; if ((hfont = infoPtr->font)) SelectObject(hdc, hfont); GetCharWidthW(hdc, '0', '0', &textOffset); textOffset /= 2; ReleaseDC(infoPtr->hwnd, hdc); checkboxWidth = 12 * scaleX + 1; checkboxHeight = 12 * scaleY + 1; if (size->cx) { maxWidth = size->cx - checkboxWidth - textOffset; if (maxWidth <= 0) maxWidth = 1; } /* Checkbox doesn't support both image(but not image list) and text */ if (!(style & (BS_ICON | BS_BITMAP)) && infoPtr->u.image) BUTTON_GetTextIdealSize(infoPtr, maxWidth, &labelSize); else BUTTON_GetLabelIdealSize(infoPtr, maxWidth, &labelSize); size->cx = labelSize.cx + checkboxWidth + textOffset; size->cy = max(labelSize.cy, checkboxHeight); return TRUE; } static BOOL PB_GetIdealSize(BUTTON_INFO *infoPtr, SIZE *size) { WCHAR *text = get_button_text(infoPtr); SIZE labelSize; INT textLength = 0; if (text) textLength = lstrlenW(text); if (textLength == 0) { BUTTON_GetClientRectSize(infoPtr, size); heap_free(text); return TRUE; } heap_free(text); /* Ideal size include text size even if image only flags(BS_ICON, BS_BITMAP) are specified */ BUTTON_GetLabelIdealSize(infoPtr, size->cx, &labelSize); size->cx = labelSize.cx; size->cy = labelSize.cy; return TRUE; } /********************************************************************** * BUTTON_CalcLayoutRects * * Calculates the rectangles of the button label(image and text) and its parts depending on a button's style. * * Returns flags to be passed to DrawText. * Calculated rectangle doesn't take into account button state * (pushed, etc.). If there is nothing to draw (no text/image) output * rectangle is empty, and return value is (UINT)-1. * * PARAMS: * infoPtr [I] Button pointer * hdc [I] Handle to device context to draw to * labelRc [I/O] Input the rect the label to be positioned in, and output the label rect * imageRc [O] Optional, output the image rect * textRc [O] Optional, output the text rect */ static UINT BUTTON_CalcLayoutRects(const BUTTON_INFO *infoPtr, HDC hdc, RECT *labelRc, RECT *imageRc, RECT *textRc) { LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE ); LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE ); LONG split_style = infoPtr->imagelist.himl ? BUTTON_ILStoBS(infoPtr->imagelist.uAlign) : style; WCHAR *text = get_button_text(infoPtr); SIZE imageSize = BUTTON_GetImageSize(infoPtr); UINT dtStyle = BUTTON_BStoDT(style, ex_style); RECT labelRect, imageRect, imageRectWithMargin, textRect; LONG imageMarginWidth, imageMarginHeight; const RECT *textMargin = BUTTON_GetTextMargin(infoPtr); RECT emptyMargin = {0}; LONG maxTextWidth; /* Calculate label rectangle according to label type */ if ((imageSize.cx == 0 && imageSize.cy == 0) && (text == NULL || text[0] == '\0')) { SetRectEmpty(labelRc); SetRectEmpty(imageRc); SetRectEmpty(textRc); heap_free(text); return (UINT)-1; } SetRect(&imageRect, 0, 0, imageSize.cx, imageSize.cy); imageRectWithMargin = imageRect; if (infoPtr->imagelist.himl) { imageRectWithMargin.top -= infoPtr->imagelist.margin.top; imageRectWithMargin.bottom += infoPtr->imagelist.margin.bottom; imageRectWithMargin.left -= infoPtr->imagelist.margin.left; imageRectWithMargin.right += infoPtr->imagelist.margin.right; } /* Show image only */ if (show_image_only(infoPtr)) { BUTTON_PositionRect(style, labelRc, &imageRect, infoPtr->imagelist.himl ? &infoPtr->imagelist.margin : &emptyMargin); labelRect = imageRect; SetRectEmpty(&textRect); } else { /* Get text rect */ maxTextWidth = labelRc->right - labelRc->left; textRect = BUTTON_GetTextRect(infoPtr, hdc, text, maxTextWidth); /* Show image and text */ if (show_image_and_text(infoPtr)) { RECT boundingLabelRect, boundingImageRect, boundingTextRect; /* Get label rect */ /* Image list may have different alignment than the button, use the whole rect for label in this case */ if (infoPtr->imagelist.himl) labelRect = *labelRc; else { /* Get a label bounding rectangle to position the label in the user specified label rectangle because * text and image need to align together. */ boundingLabelRect = BUTTON_GetBoundingLabelRect(split_style, &textRect, &imageRectWithMargin); BUTTON_PositionRect(split_style, labelRc, &boundingLabelRect, &emptyMargin); labelRect = boundingLabelRect; } /* When imagelist has center align, use the whole rect for imagelist and text */ if(infoPtr->imagelist.himl && infoPtr->imagelist.uAlign == BUTTON_IMAGELIST_ALIGN_CENTER) { boundingImageRect = labelRect; boundingTextRect = labelRect; BUTTON_PositionRect(split_style, &boundingImageRect, &imageRect, infoPtr->imagelist.himl ? &infoPtr->imagelist.margin : &emptyMargin); /* Text doesn't use imagelist align */ BUTTON_PositionRect(style, &boundingTextRect, &textRect, textMargin); } else { /* Get image rect */ /* Split the label rect to two halves as two bounding rectangles for image and text */ boundingImageRect = labelRect; imageMarginWidth = imageRectWithMargin.right - imageRectWithMargin.left; imageMarginHeight = imageRectWithMargin.bottom - imageRectWithMargin.top; if ((split_style & BS_CENTER) == BS_RIGHT) boundingImageRect.left = boundingImageRect.right - imageMarginWidth; else if ((split_style & BS_CENTER) == BS_LEFT) boundingImageRect.right = boundingImageRect.left + imageMarginWidth; else if ((split_style & BS_VCENTER) == BS_BOTTOM) boundingImageRect.top = boundingImageRect.bottom - imageMarginHeight; else if ((split_style & BS_VCENTER) == BS_TOP) boundingImageRect.bottom = boundingImageRect.top + imageMarginHeight; else boundingImageRect.right = boundingImageRect.left + imageMarginWidth; BUTTON_PositionRect(split_style, &boundingImageRect, &imageRect, infoPtr->imagelist.himl ? &infoPtr->imagelist.margin : &emptyMargin); /* Get text rect */ SubtractRect(&boundingTextRect, &labelRect, &boundingImageRect); /* Text doesn't use imagelist align */ BUTTON_PositionRect(style, &boundingTextRect, &textRect, textMargin); } } /* Show text only */ else { if (get_button_type(style) != BS_GROUPBOX) BUTTON_PositionRect(style, labelRc, &textRect, textMargin); else /* GroupBox is always top aligned */ BUTTON_PositionRect((style & ~BS_VCENTER) | BS_TOP, labelRc, &textRect, textMargin); labelRect = textRect; SetRectEmpty(&imageRect); } } heap_free(text); CopyRect(labelRc, &labelRect); CopyRect(imageRc, &imageRect); CopyRect(textRc, &textRect); return dtStyle; } /********************************************************************** * BUTTON_DrawTextCallback * * Callback function used by DrawStateW function. */ static BOOL CALLBACK BUTTON_DrawTextCallback(HDC hdc, LPARAM lp, WPARAM wp, int cx, int cy) { RECT rc; SetRect(&rc, 0, 0, cx, cy); DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp); return TRUE; } /********************************************************************** * BUTTON_DrawLabel * * Common function for drawing button label. * * FIXME: * 1. When BS_SINGLELINE is specified and text contains '\t', '\n' or '\r' in the middle, they are rendered as * squares now whereas they should be ignored. * 2. When BS_MULTILINE is specified and text contains space in the middle, the space mistakenly be rendered as newline. */ static void BUTTON_DrawLabel(const BUTTON_INFO *infoPtr, HDC hdc, UINT dtFlags, const RECT *imageRect, const RECT *textRect) { DRAWSTATEPROC lpOutputProc = NULL; LPARAM lp; WPARAM wp = 0; HBRUSH hbr = 0; UINT flags = IsWindowEnabled(infoPtr->hwnd) ? DSS_NORMAL : DSS_DISABLED; UINT imageFlags; LONG state = infoPtr->state; LONG draw_state; LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE ); WCHAR *text = NULL; /* FIXME: To draw disabled label in Win31 look-and-feel, we probably * must use DSS_MONO flag and COLOR_GRAYTEXT brush (or maybe DSS_UNION). * I don't have Win31 on hand to verify that, so I leave it as is. */ if ((style & BS_PUSHLIKE) && (state & BST_INDETERMINATE)) { hbr = GetSysColorBrush(COLOR_GRAYTEXT); flags |= DSS_MONO; } if (show_image(infoPtr)) { if (infoPtr->imagelist.himl) { if (ImageList_GetImageCount(infoPtr->imagelist.himl) == 1) ImageList_Draw(infoPtr->imagelist.himl, 0, hdc, imageRect->left, imageRect->top, ILD_NORMAL); else { draw_state = get_draw_state(infoPtr); ImageList_Draw(infoPtr->imagelist.himl, draw_state - 1, hdc, imageRect->left, imageRect->top, ILD_NORMAL); } } else { switch (infoPtr->image_type) { case IMAGE_ICON: imageFlags = flags | DST_ICON; lp = (LPARAM)infoPtr->u.icon; break; case IMAGE_BITMAP: imageFlags = flags | DST_BITMAP; lp = (LPARAM)infoPtr->u.bitmap; break; default: return; } DrawStateW(hdc, hbr, lpOutputProc, lp, wp, imageRect->left, imageRect->top, imageRect->right - imageRect->left, imageRect->bottom - imageRect->top, imageFlags); } } if (show_image_only(infoPtr)) return; /* DST_COMPLEX -- is 0 */ lpOutputProc = BUTTON_DrawTextCallback; if (!(text = get_button_text(infoPtr))) return; lp = (LPARAM)text; wp = dtFlags; DrawStateW(hdc, hbr, lpOutputProc, lp, wp, textRect->left, textRect->top, textRect->right - textRect->left, textRect->bottom - textRect->top, flags); heap_free(text); } /********************************************************************** * Push Button Functions */ static void PB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ) { RECT rc, labelRect, imageRect, textRect; UINT dtFlags, uState; HPEN hOldPen, hpen; HBRUSH hOldBrush; INT oldBkMode; COLORREF oldTxtColor; HFONT hFont; LONG state = infoPtr->state; LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE ); BOOL pushedState = (state & BST_PUSHED); HWND parent; HRGN hrgn; GetClientRect( infoPtr->hwnd, &rc ); /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */ if ((hFont = infoPtr->font)) SelectObject( hDC, hFont ); parent = GetParent(infoPtr->hwnd); if (!parent) parent = infoPtr->hwnd; SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd ); hrgn = set_control_clipping( hDC, &rc ); hpen = CreatePen( PS_SOLID, 1, GetSysColor(COLOR_WINDOWFRAME)); hOldPen = SelectObject(hDC, hpen); hOldBrush = SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE)); oldBkMode = SetBkMode(hDC, TRANSPARENT); if (get_button_type(style) == BS_DEFPUSHBUTTON) { if (action != ODA_FOCUS) Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); InflateRect( &rc, -1, -1 ); } /* completely skip the drawing if only focus has changed */ if (action == ODA_FOCUS) goto draw_focus; uState = DFCS_BUTTONPUSH; if (style & BS_FLAT) uState |= DFCS_MONO; else if (pushedState) { if (get_button_type(style) == BS_DEFPUSHBUTTON ) uState |= DFCS_FLAT; else uState |= DFCS_PUSHED; } if (state & (BST_CHECKED | BST_INDETERMINATE)) uState |= DFCS_CHECKED; DrawFrameControl( hDC, &rc, DFC_BUTTON, uState ); /* draw button label */ labelRect = rc; /* Shrink label rect at all sides by 2 so that the content won't touch the surrounding frame */ InflateRect(&labelRect, -2, -2); dtFlags = BUTTON_CalcLayoutRects(infoPtr, hDC, &labelRect, &imageRect, &textRect); if (dtFlags == (UINT)-1L) goto cleanup; if (pushedState) OffsetRect(&labelRect, 1, 1); oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) ); BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &imageRect, &textRect); SetTextColor( hDC, oldTxtColor ); draw_focus: if (action == ODA_FOCUS || (state & BST_FOCUS)) { InflateRect( &rc, -2, -2 ); DrawFocusRect( hDC, &rc ); } cleanup: SelectObject( hDC, hOldPen ); SelectObject( hDC, hOldBrush ); SetBkMode(hDC, oldBkMode); SelectClipRgn( hDC, hrgn ); if (hrgn) DeleteObject( hrgn ); DeleteObject( hpen ); } /********************************************************************** * Check Box & Radio Button Functions */ static void CB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ) { RECT rbox, labelRect, imageRect, textRect, client; HBRUSH hBrush; int delta, text_offset, checkBoxWidth, checkBoxHeight; UINT dtFlags; HFONT hFont; LONG state = infoPtr->state; LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE ); LONG ex_style = GetWindowLongW( infoPtr->hwnd, GWL_EXSTYLE ); HWND parent; HRGN hrgn; if (style & BS_PUSHLIKE) { PB_Paint( infoPtr, hDC, action ); return; } GetClientRect(infoPtr->hwnd, &client); rbox = labelRect = client; checkBoxWidth = 12 * GetDpiForWindow( infoPtr->hwnd ) / 96 + 1; checkBoxHeight = 12 * GetDpiForWindow( infoPtr->hwnd ) / 96 + 1; if ((hFont = infoPtr->font)) SelectObject( hDC, hFont ); GetCharWidthW( hDC, '0', '0', &text_offset ); text_offset /= 2; parent = GetParent(infoPtr->hwnd); if (!parent) parent = infoPtr->hwnd; hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); if (!hBrush) /* did the app forget to call defwindowproc ? */ hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); hrgn = set_control_clipping( hDC, &client ); if (style & BS_LEFTTEXT || ex_style & WS_EX_RIGHT) { labelRect.right -= checkBoxWidth + text_offset; rbox.left = rbox.right - checkBoxWidth; } else { labelRect.left += checkBoxWidth + text_offset; rbox.right = checkBoxWidth; } /* Since WM_ERASEBKGND does nothing, first prepare background */ if (action == ODA_SELECT) FillRect( hDC, &rbox, hBrush ); if (action == ODA_DRAWENTIRE) FillRect( hDC, &client, hBrush ); /* Draw label */ client = labelRect; dtFlags = BUTTON_CalcLayoutRects(infoPtr, hDC, &labelRect, &imageRect, &textRect); /* Only adjust rbox when rtext is valid */ if (dtFlags != (UINT)-1L) { rbox.top = labelRect.top; rbox.bottom = labelRect.bottom; } /* Draw the check-box bitmap */ if (action == ODA_DRAWENTIRE || action == ODA_SELECT) { UINT flags; if ((get_button_type(style) == BS_RADIOBUTTON) || (get_button_type(style) == BS_AUTORADIOBUTTON)) flags = DFCS_BUTTONRADIO; else if (state & BST_INDETERMINATE) flags = DFCS_BUTTON3STATE; else flags = DFCS_BUTTONCHECK; if (state & (BST_CHECKED | BST_INDETERMINATE)) flags |= DFCS_CHECKED; if (state & BST_PUSHED) flags |= DFCS_PUSHED; if (style & WS_DISABLED) flags |= DFCS_INACTIVE; /* rbox must have the correct height */ delta = rbox.bottom - rbox.top - checkBoxHeight; if ((style & BS_VCENTER) == BS_TOP) { if (delta > 0) { rbox.bottom = rbox.top + checkBoxHeight; } else { rbox.top -= -delta/2 + 1; rbox.bottom = rbox.top + checkBoxHeight; } } else if ((style & BS_VCENTER) == BS_BOTTOM) { if (delta > 0) { rbox.top = rbox.bottom - checkBoxHeight; } else { rbox.bottom += -delta/2 + 1; rbox.top = rbox.bottom - checkBoxHeight; } } else { /* Default */ if (delta > 0) { int ofs = (delta / 2); rbox.bottom -= ofs + 1; rbox.top = rbox.bottom - checkBoxHeight; } else if (delta < 0) { int ofs = (-delta / 2); rbox.top -= ofs + 1; rbox.bottom = rbox.top + checkBoxHeight; } } DrawFrameControl( hDC, &rbox, DFC_BUTTON, flags ); } if (dtFlags == (UINT)-1L) /* Noting to draw */ return; if (action == ODA_DRAWENTIRE) BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &imageRect, &textRect); /* ... and focus */ if (action == ODA_FOCUS || (state & BST_FOCUS)) { labelRect.left--; labelRect.right++; IntersectRect(&labelRect, &labelRect, &client); DrawFocusRect(hDC, &labelRect); } SelectClipRgn( hDC, hrgn ); if (hrgn) DeleteObject( hrgn ); } /********************************************************************** * BUTTON_CheckAutoRadioButton * * hwnd is checked, uncheck every other auto radio button in group */ static void BUTTON_CheckAutoRadioButton( HWND hwnd ) { HWND parent, sibling, start; parent = GetParent(hwnd); /* make sure that starting control is not disabled or invisible */ start = sibling = GetNextDlgGroupItem( parent, hwnd, TRUE ); do { if (!sibling) break; if ((hwnd != sibling) && ((GetWindowLongW( sibling, GWL_STYLE) & BS_TYPEMASK) == BS_AUTORADIOBUTTON)) SendMessageW( sibling, BM_SETCHECK, BST_UNCHECKED, 0 ); sibling = GetNextDlgGroupItem( parent, sibling, FALSE ); } while (sibling != start); } /********************************************************************** * Group Box Functions */ static void GB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ) { RECT labelRect, imageRect, textRect, rcFrame; HBRUSH hbr; HFONT hFont; UINT dtFlags; TEXTMETRICW tm; LONG style = GetWindowLongW( infoPtr->hwnd, GWL_STYLE ); HWND parent; HRGN hrgn; if ((hFont = infoPtr->font)) SelectObject( hDC, hFont ); /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */ parent = GetParent(infoPtr->hwnd); if (!parent) parent = infoPtr->hwnd; hbr = (HBRUSH)SendMessageW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); if (!hbr) /* did the app forget to call defwindowproc ? */ hbr = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); GetClientRect(infoPtr->hwnd, &labelRect); rcFrame = labelRect; hrgn = set_control_clipping(hDC, &labelRect); GetTextMetricsW (hDC, &tm); rcFrame.top += (tm.tmHeight / 2) - 1; DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0)); InflateRect(&labelRect, -7, 1); dtFlags = BUTTON_CalcLayoutRects(infoPtr, hDC, &labelRect, &imageRect, &textRect); if (dtFlags != (UINT)-1) { /* Because buttons have CS_PARENTDC class style, there is a chance * that label will be drawn out of client rect. * But Windows doesn't clip label's rect, so do I. */ /* There is 1-pixel margin at the left, right, and bottom */ labelRect.left--; labelRect.right++; labelRect.bottom++; FillRect(hDC, &labelRect, hbr); labelRect.left++; labelRect.right--; labelRect.bottom--; BUTTON_DrawLabel(infoPtr, hDC, dtFlags, &imageRect, &textRect); } SelectClipRgn( hDC, hrgn ); if (hrgn) DeleteObject( hrgn ); } /********************************************************************** * User Button Functions */ static void UB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ) { RECT rc; HBRUSH hBrush; HFONT hFont; LONG state = infoPtr->state; HWND parent; GetClientRect( infoPtr->hwnd, &rc); if ((hFont = infoPtr->font)) SelectObject( hDC, hFont ); parent = GetParent(infoPtr->hwnd); if (!parent) parent = infoPtr->hwnd; hBrush = (HBRUSH)SendMessageW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); if (!hBrush) /* did the app forget to call defwindowproc ? */ hBrush = (HBRUSH)DefWindowProcW(parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd); FillRect( hDC, &rc, hBrush ); if (action == ODA_FOCUS || (state & BST_FOCUS)) DrawFocusRect( hDC, &rc ); switch (action) { case ODA_FOCUS: BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_FOCUS) ? BN_SETFOCUS : BN_KILLFOCUS ); break; case ODA_SELECT: BUTTON_NOTIFY_PARENT( infoPtr->hwnd, (state & BST_PUSHED) ? BN_HILITE : BN_UNHILITE ); break; default: break; } } /********************************************************************** * Ownerdrawn Button Functions */ static void OB_Paint( const BUTTON_INFO *infoPtr, HDC hDC, UINT action ) { LONG state = infoPtr->state; DRAWITEMSTRUCT dis; LONG_PTR id = GetWindowLongPtrW( infoPtr->hwnd, GWLP_ID ); HWND parent; HFONT hFont; HRGN hrgn; dis.CtlType = ODT_BUTTON; dis.CtlID = id; dis.itemID = 0; dis.itemAction = action; dis.itemState = ((state & BST_FOCUS) ? ODS_FOCUS : 0) | ((state & BST_PUSHED) ? ODS_SELECTED : 0) | (IsWindowEnabled(infoPtr->hwnd) ? 0: ODS_DISABLED); dis.hwndItem = infoPtr->hwnd; dis.hDC = hDC; dis.itemData = 0; GetClientRect( infoPtr->hwnd, &dis.rcItem ); if ((hFont = infoPtr->font)) SelectObject( hDC, hFont ); parent = GetParent(infoPtr->hwnd); if (!parent) parent = infoPtr->hwnd; SendMessageW( parent, WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)infoPtr->hwnd ); hrgn = set_control_clipping( hDC, &dis.rcItem ); SendMessageW( GetParent(infoPtr->hwnd), WM_DRAWITEM, id, (LPARAM)&dis ); SelectClipRgn( hDC, hrgn ); if (hrgn) DeleteObject( hrgn ); } static void PB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, int state, UINT dtFlags, BOOL focused) { RECT bgRect, textRect; HFONT font = infoPtr->font; HFONT hPrevFont = font ? SelectObject(hDC, font) : NULL; WCHAR *text = get_button_text(infoPtr); GetClientRect(infoPtr->hwnd, &bgRect); GetThemeBackgroundContentRect(theme, hDC, BP_PUSHBUTTON, state, &bgRect, &textRect); if (IsThemeBackgroundPartiallyTransparent(theme, BP_PUSHBUTTON, state)) DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL); DrawThemeBackground(theme, hDC, BP_PUSHBUTTON, state, &bgRect, NULL); if (text) { DrawThemeText(theme, hDC, BP_PUSHBUTTON, state, text, lstrlenW(text), dtFlags, 0, &textRect); heap_free(text); } if (focused) { MARGINS margins; RECT focusRect = bgRect; GetThemeMargins(theme, hDC, BP_PUSHBUTTON, state, TMT_CONTENTMARGINS, NULL, &margins); focusRect.left += margins.cxLeftWidth; focusRect.top += margins.cyTopHeight; focusRect.right -= margins.cxRightWidth; focusRect.bottom -= margins.cyBottomHeight; DrawFocusRect( hDC, &focusRect ); } if (hPrevFont) SelectObject(hDC, hPrevFont); } static void CB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, int state, UINT dtFlags, BOOL focused) { SIZE sz; RECT bgRect, textRect; HFONT font, hPrevFont = NULL; DWORD dwStyle = GetWindowLongW(infoPtr->hwnd, GWL_STYLE); UINT btn_type = get_button_type( dwStyle ); int part = (btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON) ? BP_RADIOBUTTON : BP_CHECKBOX; WCHAR *text = get_button_text(infoPtr); LOGFONTW lf; BOOL created_font = FALSE; HRESULT hr = GetThemeFont(theme, hDC, part, state, TMT_FONT, &lf); if (SUCCEEDED(hr)) { font = CreateFontIndirectW(&lf); if (!font) TRACE("Failed to create font\n"); else { TRACE("font = %s\n", debugstr_w(lf.lfFaceName)); hPrevFont = SelectObject(hDC, font); created_font = TRUE; } } else { font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0); hPrevFont = SelectObject(hDC, font); } if (FAILED(GetThemePartSize(theme, hDC, part, state, NULL, TS_DRAW, &sz))) sz.cx = sz.cy = 13; GetClientRect(infoPtr->hwnd, &bgRect); GetThemeBackgroundContentRect(theme, hDC, part, state, &bgRect, &textRect); if (dtFlags & DT_SINGLELINE) /* Center the checkbox / radio button to the text. */ bgRect.top = bgRect.top + (textRect.bottom - textRect.top - sz.cy) / 2; /* adjust for the check/radio marker */ bgRect.bottom = bgRect.top + sz.cy; bgRect.right = bgRect.left + sz.cx; textRect.left = bgRect.right + 6; DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL); DrawThemeBackground(theme, hDC, part, state, &bgRect, NULL); if (text) { DrawThemeText(theme, hDC, part, state, text, lstrlenW(text), dtFlags, 0, &textRect); if (focused) { RECT focusRect; focusRect = textRect; DrawTextW(hDC, text, lstrlenW(text), &focusRect, dtFlags | DT_CALCRECT); if (focusRect.right < textRect.right) focusRect.right++; focusRect.bottom = textRect.bottom; DrawFocusRect( hDC, &focusRect ); } heap_free(text); } if (created_font) DeleteObject(font); if (hPrevFont) SelectObject(hDC, hPrevFont); } static void GB_ThemedPaint(HTHEME theme, const BUTTON_INFO *infoPtr, HDC hDC, int state, UINT dtFlags, BOOL focused) { RECT bgRect, textRect, contentRect; WCHAR *text = get_button_text(infoPtr); LOGFONTW lf; HFONT font, hPrevFont = NULL; BOOL created_font = FALSE; HRESULT hr = GetThemeFont(theme, hDC, BP_GROUPBOX, state, TMT_FONT, &lf); if (SUCCEEDED(hr)) { font = CreateFontIndirectW(&lf); if (!font) TRACE("Failed to create font\n"); else { hPrevFont = SelectObject(hDC, font); created_font = TRUE; } } else { font = (HFONT)SendMessageW(infoPtr->hwnd, WM_GETFONT, 0, 0); hPrevFont = SelectObject(hDC, font); } GetClientRect(infoPtr->hwnd, &bgRect); textRect = bgRect; if (text) { SIZE textExtent; GetTextExtentPoint32W(hDC, text, lstrlenW(text), &textExtent); bgRect.top += (textExtent.cy / 2); textRect.left += 10; textRect.bottom = textRect.top + textExtent.cy; textRect.right = textRect.left + textExtent.cx + 4; ExcludeClipRect(hDC, textRect.left, textRect.top, textRect.right, textRect.bottom); } GetThemeBackgroundContentRect(theme, hDC, BP_GROUPBOX, state, &bgRect, &contentRect); ExcludeClipRect(hDC, contentRect.left, contentRect.top, contentRect.right, contentRect.bottom); if (IsThemeBackgroundPartiallyTransparent(theme, BP_GROUPBOX, state)) DrawThemeParentBackground(infoPtr->hwnd, hDC, NULL); DrawThemeBackground(theme, hDC, BP_GROUPBOX, state, &bgRect, NULL); SelectClipRgn(hDC, NULL); if (text) { InflateRect(&textRect, -2, 0); DrawThemeText(theme, hDC, BP_GROUPBOX, state, text, lstrlenW(text), 0, 0, &textRect); heap_free(text); } if (created_font) DeleteObject(font); if (hPrevFont) SelectObject(hDC, hPrevFont); } void BUTTON_Register(void) { WNDCLASSW wndClass; memset(&wndClass, 0, sizeof(wndClass)); wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC; wndClass.lpfnWndProc = BUTTON_WindowProc; wndClass.cbClsExtra = 0; wndClass.cbWndExtra = sizeof(BUTTON_INFO *); wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_ARROW); wndClass.hbrBackground = NULL; wndClass.lpszClassName = WC_BUTTONW; RegisterClassW(&wndClass); }