From 23ed82d969743540c76721595c54642a00987855 Mon Sep 17 00:00:00 2001 From: Richard Campbell Date: Mon, 23 Jun 2003 10:10:51 +0000 Subject: [PATCH] Ported the button control from wine. This is untested, but will probably work, haven't written a test app yet, will do so when i have more time :) Implements: - Pushbutton - RadioButton - CheckBox svn path=/trunk/; revision=4949 --- reactos/lib/user32/Makefile | 3 +- reactos/lib/user32/controls/button.c | 1031 ++++++++++++++++++++++++++ 2 files changed, 1033 insertions(+), 1 deletion(-) create mode 100644 reactos/lib/user32/controls/button.c diff --git a/reactos/lib/user32/Makefile b/reactos/lib/user32/Makefile index edf7713d9b2..84a4b735fca 100644 --- a/reactos/lib/user32/Makefile +++ b/reactos/lib/user32/Makefile @@ -1,4 +1,4 @@ -# $Id: Makefile,v 1.15 2003/06/22 19:18:06 sedwards Exp $ +# $Id: Makefile,v 1.16 2003/06/23 10:10:51 rcampbell Exp $ PATH_TO_TOP = ../.. @@ -25,6 +25,7 @@ CONTROLS_OBJECTS = \ controls/listbox.o \ controls/scrollbar.o \ controls/static.o \ + controls/button.o \ controls/regcontrol.o MISC_OBJECTS = \ diff --git a/reactos/lib/user32/controls/button.c b/reactos/lib/user32/controls/button.c new file mode 100644 index 00000000000..ec437309482 --- /dev/null +++ b/reactos/lib/user32/controls/button.c @@ -0,0 +1,1031 @@ +/* $Id: button.c,v 1.3 2003/06/23 10:10:51 rcampbell Exp $ + * + * COPYRIGHT: See COPYING in the top level directory + * PROJECT: ReactOS User32 + * PURPOSE: Button control + * FILE: lib/user32/controls/static.c + * PROGRAMER: Richard Campbell lib/user32/controls/button.c + * REVISION HISTORY: 2003/05/28 Created + * NOTES: Adapted from Wine + */ + +#include "windows.h" +#include "user32/regcontrol.h" +#include "user32.h" + +#define STATE_GWL_OFFSET 0 +#define HFONT_GWL_OFFSET (sizeof(LONG)) +#define HIMAGE_GWL_OFFSET (2*sizeof(LONG)) +#define NB_EXTRA_BYTES (3*sizeof(LONG)) + +#define BS_FLAT 0x00008000L + +#define BUTTON_UNCHECKED 0x00 +#define BUTTON_CHECKED 0x01 +#define BUTTON_3STATE 0x02 +#define BUTTON_HIGHLIGHTED 0x04 +#define BUTTON_HASFOCUS 0x08 +#define BUTTON_NSTATES 0x0F + +#define BUTTON_BTNPRESSED 0x40 +#define BUTTON_UNKNOWN2 0x20 +#define BUTTON_UNKNOWN3 0x10 + +static UINT BUTTON_CalcLabelRect( HWND hwnd, HDC hdc, RECT *rc ); +static void PB_Paint( HWND hwnd, HDC hDC, UINT action ); +static void CB_Paint( HWND hwnd, HDC hDC, UINT action ); +static void GB_Paint( HWND hwnd, HDC hDC, UINT action ); +static void UB_Paint( HWND hwnd, HDC hDC, UINT action ); +static void OB_Paint( HWND hwnd, HDC hDC, UINT action ); +static void BUTTON_CheckAutoRadioButton( HWND hwnd ); +static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); +static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); + +#define MAX_BTN_TYPE 12 + +static const WORD maxCheckState[MAX_BTN_TYPE] = +{ + BUTTON_UNCHECKED, /* BS_PUSHBUTTON */ + BUTTON_UNCHECKED, /* BS_DEFPUSHBUTTON */ + BUTTON_CHECKED, /* BS_CHECKBOX */ + BUTTON_CHECKED, /* BS_AUTOCHECKBOX */ + BUTTON_CHECKED, /* BS_RADIOBUTTON */ + BUTTON_3STATE, /* BS_3STATE */ + BUTTON_3STATE, /* BS_AUTO3STATE */ + BUTTON_UNCHECKED, /* BS_GROUPBOX */ + BUTTON_UNCHECKED, /* BS_USERBUTTON */ + BUTTON_CHECKED, /* BS_AUTORADIOBUTTON */ + BUTTON_UNCHECKED, /* Not defined */ + BUTTON_UNCHECKED /* BS_OWNERDRAW */ +}; + +typedef void (*pfPaint)( HWND hwnd, 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, /* Not defined */ + OB_Paint /* BS_OWNERDRAW */ +}; + +static HBITMAP hbitmapCheckBoxes = 0; +static WORD checkBoxWidth = 0, checkBoxHeight = 0; + + +/********************************************************************* + * button class descriptor + */ +const struct builtin_class_descr BUTTON_builtin_class = +{ + "Button", /* name */ + CS_GLOBALCLASS | CS_DBLCLKS | CS_VREDRAW | CS_HREDRAW | CS_PARENTDC, /* style */ + (WNDPROC) ButtonWndProcA, /* procA */ + (WNDPROC) ButtonWndProcW, /* procW */ + NB_EXTRA_BYTES, /* extra */ + (LPCSTR) IDC_ARROW, /* cursor */ + 0 /* brush */ +}; + +HPEN STDCALL GetSysColorPen (int nIndex); + +inline static LONG get_button_state( HWND hwnd ) +{ + return GetWindowLongA( hwnd, STATE_GWL_OFFSET ); +} + +inline static void set_button_state( HWND hwnd, LONG state ) +{ + SetWindowLongA( hwnd, STATE_GWL_OFFSET, state ); +} + +inline static HFONT get_button_font( HWND hwnd ) +{ + return (HFONT)GetWindowLongA( hwnd, HFONT_GWL_OFFSET ); +} + +inline static void set_button_font( HWND hwnd, HFONT font ) +{ + SetWindowLongA( hwnd, HFONT_GWL_OFFSET, (LONG)font ); +} + +inline static UINT get_button_type( LONG window_style ) +{ + return (window_style & 0x0f); +} + +/* paint a button of any type */ +inline static void paint_button( HWND hwnd, LONG style, UINT action ) +{ + if (btnPaintFunc[style] && IsWindowVisible(hwnd)) + { + HDC hdc = GetDC( hwnd ); + btnPaintFunc[style]( hwnd, hdc, action ); + ReleaseDC( hwnd, hdc ); + } +} + +/* retrieve the button text; returned buffer must be freed by caller */ +inline static WCHAR *get_button_text( HWND hwnd ) +{ + INT len = GetWindowTextLengthW( hwnd ); + WCHAR *buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ); + if (buffer) GetWindowTextW( hwnd, buffer, len + 1 ); + return buffer; +} + +/*********************************************************************** + * ButtonWndProc_common + */ +static LRESULT WINAPI ButtonWndProc_common(HWND hWnd, UINT uMsg, + WPARAM wParam, LPARAM lParam, BOOL unicode ) +{ + RECT rect; + POINT pt; + LONG style = GetWindowLongA( hWnd, GWL_STYLE ); + UINT btn_type = get_button_type( style ); + LONG state; + HANDLE oldHbitmap; + + pt.x = LOWORD(lParam); + pt.y = HIWORD(lParam); + + switch (uMsg) + { + case WM_GETDLGCODE: + switch(btn_type) + { + case BS_PUSHBUTTON: return DLGC_BUTTON | DLGC_UNDEFPUSHBUTTON; + case BS_DEFPUSHBUTTON: return DLGC_BUTTON | DLGC_DEFPUSHBUTTON; + case BS_RADIOBUTTON: + case BS_AUTORADIOBUTTON: return DLGC_BUTTON | DLGC_RADIOBUTTON; + default: return DLGC_BUTTON; + } + + case WM_ENABLE: + paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); + break; + + case WM_CREATE: + if (!hbitmapCheckBoxes) + { + BITMAP bmp; + hbitmapCheckBoxes = LoadBitmapW(0, MAKEINTRESOURCEW(OBM_CHECKBOXES)); + GetObjectW( hbitmapCheckBoxes, sizeof(bmp), &bmp ); + checkBoxWidth = bmp.bmWidth / 4; + checkBoxHeight = bmp.bmHeight / 3; + } + if (btn_type >= MAX_BTN_TYPE) + return -1; /* abort */ + set_button_state( hWnd, BUTTON_UNCHECKED ); + return 0; + + case WM_ERASEBKGND: + return 1; + + case WM_PAINT: + if (btnPaintFunc[btn_type]) + { + PAINTSTRUCT ps; + HDC hdc = wParam ? (HDC)wParam : BeginPaint( hWnd, &ps ); + int nOldMode = SetBkMode( hdc, OPAQUE ); + (btnPaintFunc[btn_type])( hWnd, 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 ); + set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED ); + } + break; + + case WM_LBUTTONDBLCLK: + if(style & BS_NOTIFY || + btn_type == BS_RADIOBUTTON || + btn_type == BS_USERBUTTON || + btn_type == BS_OWNERDRAW) + { + SendMessageW( GetParent(hWnd), WM_COMMAND, + MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_DOUBLECLICKED ), + (LPARAM)hWnd); + break; + } + /* fall through */ + case WM_LBUTTONDOWN: + SetCapture( hWnd ); + SetFocus( hWnd ); + SendMessageW( hWnd, BM_SETSTATE, TRUE, 0 ); + set_button_state( hWnd, get_button_state( hWnd ) | BUTTON_BTNPRESSED ); + break; + + case WM_KEYUP: + if (wParam != VK_SPACE) + break; + /* fall through */ + case WM_LBUTTONUP: + state = get_button_state( hWnd ); + if (!(state & BUTTON_BTNPRESSED)) break; + state &= BUTTON_NSTATES; + set_button_state( hWnd, state ); + if (!(state & BUTTON_HIGHLIGHTED)) + { + ReleaseCapture(); + break; + } + SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); + ReleaseCapture(); + GetClientRect( hWnd, &rect ); + if (uMsg == WM_KEYUP || PtInRect( &rect, pt )) + { + state = get_button_state( hWnd ); + switch(btn_type) + { + case BS_AUTOCHECKBOX: + SendMessageW( hWnd, BM_SETCHECK, !(state & BUTTON_CHECKED), 0 ); + break; + case BS_AUTORADIOBUTTON: + SendMessageW( hWnd, BM_SETCHECK, TRUE, 0 ); + break; + case BS_AUTO3STATE: + SendMessageW( hWnd, BM_SETCHECK, + (state & BUTTON_3STATE) ? 0 : ((state & 3) + 1), 0 ); + break; + } + SendMessageW( GetParent(hWnd), WM_COMMAND, + MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd); + } + break; + + case WM_CAPTURECHANGED: + state = get_button_state( hWnd ); + if (state & BUTTON_BTNPRESSED) + { + state &= BUTTON_NSTATES; + set_button_state( hWnd, state ); + if (state & BUTTON_HIGHLIGHTED) SendMessageW( hWnd, BM_SETSTATE, FALSE, 0 ); + } + break; + + case WM_MOUSEMOVE: + if ((wParam & MK_LBUTTON) && GetCapture() == hWnd) + { + GetClientRect( hWnd, &rect ); + SendMessageW( hWnd, BM_SETSTATE, PtInRect(&rect, pt), 0 ); + } + break; + + case WM_SETTEXT: + { + /* Clear an old text here as Windows does */ + HDC hdc = GetDC(hWnd); + HBRUSH hbrush; + RECT client, rc; + + hbrush = (HBRUSH)SendMessageW(GetParent(hWnd), WM_CTLCOLORSTATIC, + (WPARAM)hdc, (LPARAM)hWnd); + if (!hbrush) /* did the app forget to call DefWindowProc ? */ + hbrush = (HBRUSH)DefWindowProcW(GetParent(hWnd), WM_CTLCOLORSTATIC, + (WPARAM)hdc, (LPARAM)hWnd); + + GetClientRect(hWnd, &client); + rc = client; + BUTTON_CalcLabelRect(hWnd, hdc, &rc); + /* 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); + + if (unicode) DefWindowProcW( hWnd, WM_SETTEXT, wParam, lParam ); + else DefWindowProcA( hWnd, WM_SETTEXT, wParam, lParam ); + if (btn_type == BS_GROUPBOX) /* Yes, only for BS_GROUPBOX */ + InvalidateRect( hWnd, NULL, TRUE ); + else + paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); + return 1; /* success. FIXME: check text length */ + } + + case WM_SETFONT: + set_button_font( hWnd, (HFONT)wParam ); + if (lParam) paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); + break; + + case WM_GETFONT: + return (LRESULT)get_button_font( hWnd ); + + case WM_SETFOCUS: + if ((btn_type == BS_RADIOBUTTON || btn_type == BS_AUTORADIOBUTTON) && (GetCapture() != hWnd) && + !(SendMessageW(hWnd, BM_GETCHECK, 0, 0) & BST_CHECKED)) + { + /* The notification is sent when the button (BS_AUTORADIOBUTTON) + is unchecked and the focus was not given by a mouse click. */ + if (btn_type == BS_AUTORADIOBUTTON) + SendMessageW( hWnd, BM_SETCHECK, BUTTON_CHECKED, 0 ); + SendMessageW( GetParent(hWnd), WM_COMMAND, + MAKEWPARAM( GetWindowLongA(hWnd,GWL_ID), BN_CLICKED ), (LPARAM)hWnd); + } + set_button_state( hWnd, get_button_state(hWnd) | BUTTON_HASFOCUS ); + paint_button( hWnd, btn_type, ODA_FOCUS ); + break; + + case WM_KILLFOCUS: + set_button_state( hWnd, get_button_state(hWnd) & ~BUTTON_HASFOCUS ); + paint_button( hWnd, btn_type, ODA_FOCUS ); + InvalidateRect( hWnd, NULL, TRUE ); + break; + + case WM_SYSCOLORCHANGE: + InvalidateRect( hWnd, NULL, FALSE ); + break; + + case BM_SETSTYLE: + if ((wParam & 0x0f) >= MAX_BTN_TYPE) break; + btn_type = wParam & 0x0f; + style = (style & ~0x0f) | btn_type; + SetWindowLongA( hWnd, GWL_STYLE, style ); + + /* Only redraw if lParam flag is set.*/ + if (lParam) + paint_button( hWnd, btn_type, ODA_DRAWENTIRE ); + + break; + + case BM_CLICK: + SendMessageW( hWnd, WM_LBUTTONDOWN, 0, 0 ); + SendMessageW( hWnd, WM_LBUTTONUP, 0, 0 ); + break; + + case BM_SETIMAGE: + /* Check that image format matches button style */ + switch (style & (BS_BITMAP|BS_ICON)) + { + case BS_BITMAP: + if (wParam != IMAGE_BITMAP) return 0; + break; + case BS_ICON: + if (wParam != IMAGE_ICON) return 0; + break; + default: + return 0; + } + oldHbitmap = (HBITMAP)SetWindowLongA( hWnd, HIMAGE_GWL_OFFSET, lParam ); + InvalidateRect( hWnd, NULL, FALSE ); + return (LRESULT)oldHbitmap; + + case BM_GETIMAGE: + return GetWindowLongA( hWnd, HIMAGE_GWL_OFFSET ); + + case BM_GETCHECK: + return get_button_state( hWnd ) & 3; + + case BM_SETCHECK: + if (wParam > maxCheckState[btn_type]) wParam = maxCheckState[btn_type]; + state = get_button_state( hWnd ); + if ((btn_type == BS_RADIOBUTTON) || (btn_type == BS_AUTORADIOBUTTON)) + { + if (wParam) style |= WS_TABSTOP; + else style &= ~WS_TABSTOP; + SetWindowLongA( hWnd, GWL_STYLE, style ); + } + if ((state & 3) != wParam) + { + set_button_state( hWnd, (state & ~3) | wParam ); + paint_button( hWnd, btn_type, ODA_SELECT ); + } + if ((btn_type == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED) && (style & WS_CHILD)) + BUTTON_CheckAutoRadioButton( hWnd ); + break; + + case BM_GETSTATE: + return get_button_state( hWnd ); + + case BM_SETSTATE: + state = get_button_state( hWnd ); + if (wParam) + { + if (state & BUTTON_HIGHLIGHTED) break; + set_button_state( hWnd, state | BUTTON_HIGHLIGHTED ); + } + else + { + if (!(state & BUTTON_HIGHLIGHTED)) break; + set_button_state( hWnd, state & ~BUTTON_HIGHLIGHTED ); + } + paint_button( hWnd, btn_type, ODA_SELECT ); + break; + + case WM_NCHITTEST: + if(btn_type == BS_GROUPBOX) return HTTRANSPARENT; + /* fall through */ + default: + return unicode ? DefWindowProcW(hWnd, uMsg, wParam, lParam) : + DefWindowProcA(hWnd, uMsg, wParam, lParam); + } + return 0; +} + +/*********************************************************************** + * ButtonWndProcW + * The button window procedure. This is just a wrapper which locks + * the passed HWND and calls the real window procedure (with a WND* + * pointer pointing to the locked windowstructure). + */ +static LRESULT WINAPI ButtonWndProcW( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) +{ + if (!IsWindow( hWnd )) return 0; + return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, TRUE ); +} + + +/*********************************************************************** + * ButtonWndProcA + */ +static LRESULT WINAPI ButtonWndProcA( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ) +{ + if (!IsWindow( hWnd )) return 0; + return ButtonWndProc_common( hWnd, uMsg, wParam, lParam, FALSE ); +} + + +/********************************************************************** + * Convert button styles to flags used by DrawText. + * TODO: handle WS_EX_RIGHT extended style. + */ +static UINT BUTTON_BStoDT(DWORD style) +{ + UINT dtStyle = DT_NOCLIP; /* We use SelectClipRgn to limit output */ + + /* "Convert" pushlike buttons to pushbuttons */ + if (style & BS_PUSHLIKE) + style &= ~0x0F; + + 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 */ + } + + /* DrawText ignores vertical alignment for multiline text, + * but we use these flags to align label manualy. + */ + 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; + } + } + else + /* GroupBox's text is always single line and is top aligned. */ + dtStyle |= DT_SINGLELINE; + + return dtStyle; +} + +/********************************************************************** + * BUTTON_CalcLabelRect + * + * Calculates label's rectangle depending on button 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. + */ +static UINT BUTTON_CalcLabelRect(HWND hwnd, HDC hdc, RECT *rc) +{ + LONG style = GetWindowLongA( hwnd, GWL_STYLE ); + WCHAR *text; + ICONINFO iconInfo; + BITMAP bm; + UINT dtStyle = BUTTON_BStoDT(style); + RECT r = *rc; + INT n; + + /* Calculate label rectangle according to label type */ + switch (style & (BS_ICON|BS_BITMAP)) + { + case BS_TEXT: + if (!(text = get_button_text( hwnd ))) goto empty_rect; + if (!text[0]) + { + HeapFree( GetProcessHeap(), 0, text ); + goto empty_rect; + } + DrawTextW(hdc, text, -1, &r, dtStyle | DT_CALCRECT); + HeapFree( GetProcessHeap(), 0, text ); + break; + + case BS_ICON: + if (!GetIconInfo((HICON)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), &iconInfo)) + goto empty_rect; + + GetObjectW (iconInfo.hbmColor, sizeof(BITMAP), &bm); + + r.right = r.left + bm.bmWidth; + r.bottom = r.top + bm.bmHeight; + + DeleteObject(iconInfo.hbmColor); + DeleteObject(iconInfo.hbmMask); + break; + + case BS_BITMAP: + if (!GetObjectW( (HANDLE)GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ), sizeof(BITMAP), &bm)) + goto empty_rect; + + r.right = r.left + bm.bmWidth; + r.bottom = r.top + bm.bmHeight; + break; + + default: + empty_rect: + r.right = r.left; + r.bottom = r.top; + return (UINT)(LONG)-1; + } + + /* Position label inside bounding rectangle according to + * alignment flags. (calculated rect is always left-top aligned). + * If label is aligned to any side - shift label in opposite + * direction to leave extra space for focus rectangle. + */ + switch (dtStyle & (DT_CENTER|DT_RIGHT)) + { + case DT_LEFT: r.left++; r.right++; break; + case DT_CENTER: n = r.right - r.left; + r.left = rc->left + ((rc->right - rc->left) - n) / 2; + r.right = r.left + n; break; + case DT_RIGHT: n = r.right - r.left; + r.right = rc->right - 1; + r.left = r.right - n; + break; + } + + switch (dtStyle & (DT_VCENTER|DT_BOTTOM)) + { + case DT_TOP: r.top++; r.bottom++; break; + case DT_VCENTER: n = r.bottom - r.top; + r.top = rc->top + ((rc->bottom - rc->top) - n) / 2; + r.bottom = r.top + n; break; + case DT_BOTTOM: n = r.bottom - r.top; + r.bottom = rc->bottom - 1; + r.top = r.bottom - n; + break; + } + + *rc = r; + 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; + rc.left = 0; + rc.top = 0; + rc.right = cx; + rc.bottom = cy; + + DrawTextW(hdc, (LPCWSTR)lp, -1, &rc, (UINT)wp); + return TRUE; +} + + +/********************************************************************** + * BUTTON_DrawLabel + * + * Common function for drawing button label. + */ +static void BUTTON_DrawLabel(HWND hwnd, HDC hdc, UINT dtFlags, RECT *rc) +{ + DRAWSTATEPROC lpOutputProc = NULL; + LPARAM lp; + WPARAM wp = 0; + HBRUSH hbr = 0; + UINT flags = IsWindowEnabled(hwnd) ? DSS_NORMAL : DSS_DISABLED; + LONG state = get_button_state( hwnd ); + LONG style = GetWindowLongA( 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 & BUTTON_3STATE)) + { + hbr = GetSysColorBrush(COLOR_GRAYTEXT); + flags |= DSS_MONO; + } + + switch (style & (BS_ICON|BS_BITMAP)) + { + case BS_TEXT: + /* DST_COMPLEX -- is 0 */ + lpOutputProc = BUTTON_DrawTextCallback; + if (!(text = get_button_text( hwnd ))) return; + lp = (LPARAM)text; + wp = (WPARAM)dtFlags; + break; + + case BS_ICON: + flags |= DST_ICON; + lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ); + break; + + case BS_BITMAP: + flags |= DST_BITMAP; + lp = GetWindowLongA( hwnd, HIMAGE_GWL_OFFSET ); + break; + + default: + return; + } + + DrawStateW(hdc, hbr, lpOutputProc, lp, wp, rc->left, rc->top, + rc->right - rc->left, rc->bottom - rc->top, flags); + if (text) HeapFree( GetProcessHeap(), 0, text ); +} + +/********************************************************************** + * Push Button Functions + */ +static void PB_Paint( HWND hwnd, HDC hDC, UINT action ) +{ + RECT rc, focus_rect, r; + UINT dtFlags; + HRGN hRgn; + HPEN hOldPen; + HBRUSH hOldBrush; + INT oldBkMode; + COLORREF oldTxtColor; + HFONT hFont; + LONG state = get_button_state( hwnd ); + LONG style = GetWindowLongA( hwnd, GWL_STYLE ); + BOOL pushedState = (state & BUTTON_HIGHLIGHTED); + + GetClientRect( hwnd, &rc ); + + /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */ + if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); + SendMessageW( GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd ); + hOldPen = (HPEN)SelectObject(hDC, GetSysColorPen(COLOR_WINDOWFRAME)); + hOldBrush =(HBRUSH)SelectObject(hDC,GetSysColorBrush(COLOR_BTNFACE)); + oldBkMode = SetBkMode(hDC, TRANSPARENT); + + if (get_button_type(style) == BS_DEFPUSHBUTTON) + { + Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); + InflateRect( &rc, -1, -1 ); + } + + UINT uState = DFCS_BUTTONPUSH | DFCS_ADJUSTRECT; + + 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 & (BUTTON_CHECKED | BUTTON_3STATE)) + uState |= DFCS_CHECKED; + + DrawFrameControl( hDC, &rc, DFC_BUTTON, uState ); + + focus_rect = rc; + + /* draw button label */ + r = rc; + dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &r); + + if (dtFlags == (UINT)-1L) + goto cleanup; + + if (pushedState) + OffsetRect(&r, 1, 1); + + hRgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom); + SelectClipRgn(hDC, hRgn); + + oldTxtColor = SetTextColor( hDC, GetSysColor(COLOR_BTNTEXT) ); + + BUTTON_DrawLabel(hwnd, hDC, dtFlags, &r); + + SetTextColor( hDC, oldTxtColor ); + SelectClipRgn(hDC, 0); + DeleteObject(hRgn); + + if (state & BUTTON_HASFOCUS) + { + InflateRect( &focus_rect, -1, -1 ); + IntersectRect(&focus_rect, &focus_rect, &rc); + DrawFocusRect( hDC, &focus_rect ); + } + + cleanup: + SelectObject( hDC, hOldPen ); + SelectObject( hDC, hOldBrush ); + SetBkMode(hDC, oldBkMode); +} + +/********************************************************************** + * Check Box & Radio Button Functions + */ + +static void CB_Paint( HWND hwnd, HDC hDC, UINT action ) +{ + RECT rbox, rtext, client; + HBRUSH hBrush; + int delta; + UINT dtFlags; + HRGN hRgn; + HFONT hFont; + LONG state = get_button_state( hwnd ); + LONG style = GetWindowLongA( hwnd, GWL_STYLE ); + + if (style & BS_PUSHLIKE) + { + PB_Paint( hwnd, hDC, action ); + return; + } + + GetClientRect(hwnd, &client); + rbox = rtext = client; + + if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); + + hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, + (WPARAM)hDC, (LPARAM)hwnd); + if (!hBrush) /* did the app forget to call defwindowproc ? */ + hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC, + (WPARAM)hDC, (LPARAM)hwnd ); + + if (style & BS_LEFTTEXT) + { + /* magic +4 is what CTL3D expects */ + + rtext.right -= checkBoxWidth + 4; + rbox.left = rbox.right - checkBoxWidth; + } + else + { + rtext.left += checkBoxWidth + 4; + 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 = rtext; + dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rtext); + + rbox.top = rtext.top; + rbox.bottom = rtext.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 & BUTTON_3STATE) flags = DFCS_BUTTON3STATE; + else flags = DFCS_BUTTONCHECK; + + if (state & (BUTTON_CHECKED | BUTTON_3STATE)) flags |= DFCS_CHECKED; + if (state & BUTTON_HIGHLIGHTED) 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_TOP) { + if (delta > 0) { + rbox.bottom = rbox.top + checkBoxHeight; + } else { + rbox.top -= -delta/2 + 1; + rbox.bottom += rbox.top + checkBoxHeight; + } + } else if (style & 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; + hRgn = CreateRectRgn(client.left, client.top, client.right, client.bottom); + SelectClipRgn(hDC, hRgn); + DeleteObject(hRgn); + + if (action == ODA_DRAWENTIRE) + BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rtext); + + /* ... and focus */ + if ((action == ODA_FOCUS) || + ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS))) + { + rtext.left--; + rtext.right++; + IntersectRect(&rtext, &rtext, &client); + DrawFocusRect( hDC, &rtext ); + } + SelectClipRgn(hDC, 0); +} + + +/********************************************************************** + * 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) && + ((GetWindowLongA( sibling, GWL_STYLE) & 0x0f) == BS_AUTORADIOBUTTON)) + SendMessageW( sibling, BM_SETCHECK, BUTTON_UNCHECKED, 0 ); + sibling = GetNextDlgGroupItem( parent, sibling, FALSE ); + } while (sibling != start); +} + + +/********************************************************************** + * Group Box Functions + */ + +static void GB_Paint( HWND hwnd, HDC hDC, UINT action ) +{ + RECT rc, rcFrame; + HBRUSH hbr; + HFONT hFont; + UINT dtFlags; + LONG style = GetWindowLongA( hwnd, GWL_STYLE ); + + if (action != ODA_DRAWENTIRE) return; + + if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); + /* GroupBox acts like static control, so it sends CTLCOLORSTATIC */ + hbr = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORSTATIC, (WPARAM)hDC, (LPARAM)hwnd); + if (!hbr) /* did the app forget to call defwindowproc ? */ + hbr = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORSTATIC, + (WPARAM)hDC, (LPARAM)hwnd); + + GetClientRect( hwnd, &rc); + TEXTMETRICW tm; + rcFrame = rc; + + GetTextMetricsW (hDC, &tm); + rcFrame.top += (tm.tmHeight / 2) - 1; + DrawEdge (hDC, &rcFrame, EDGE_ETCHED, BF_RECT | ((style & BS_FLAT) ? BF_FLAT : 0)); + + + InflateRect(&rc, -7, 1); + dtFlags = BUTTON_CalcLabelRect(hwnd, hDC, &rc); + + if (dtFlags == (UINT)-1L) + return; + + /* 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 marging at the left, right, and bottom */ + rc.left--; rc.right++; rc.bottom++; + FillRect(hDC, &rc, hbr); + rc.left++; rc.right--; rc.bottom--; + + BUTTON_DrawLabel(hwnd, hDC, dtFlags, &rc); +} + + +/********************************************************************** + * User Button Functions + */ + +static void UB_Paint( HWND hwnd, HDC hDC, UINT action ) +{ + RECT rc; + HBRUSH hBrush; + HFONT hFont; + LONG state = get_button_state( hwnd ); + + if (action == ODA_SELECT) return; + + GetClientRect( hwnd, &rc); + + if ((hFont = get_button_font( hwnd ))) SelectObject( hDC, hFont ); + + hBrush = (HBRUSH)SendMessageW(GetParent(hwnd), WM_CTLCOLORBTN, (WPARAM)hDC, (LPARAM)hwnd); + if (!hBrush) /* did the app forget to call defwindowproc ? */ + hBrush = (HBRUSH)DefWindowProcW(GetParent(hwnd), WM_CTLCOLORBTN, + (WPARAM)hDC, (LPARAM)hwnd); + + FillRect( hDC, &rc, hBrush ); + if ((action == ODA_FOCUS) || + ((action == ODA_DRAWENTIRE) && (state & BUTTON_HASFOCUS))) + DrawFocusRect( hDC, &rc ); +} + + +/********************************************************************** + * Ownerdrawn Button Functions + */ + +static void OB_Paint( HWND hwnd, HDC hDC, UINT action ) +{ + LONG state = get_button_state( hwnd ); + DRAWITEMSTRUCT dis; + HRGN clipRegion; + RECT clipRect; + UINT id = GetWindowLongA( hwnd, GWL_ID ); + + dis.CtlType = ODT_BUTTON; + dis.CtlID = id; + dis.itemID = 0; + dis.itemAction = action; + dis.itemState = ((state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0) | + ((state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0) | + (IsWindowEnabled(hwnd) ? 0: ODS_DISABLED); + dis.hwndItem = hwnd; + dis.hDC = hDC; + dis.itemData = 0; + GetClientRect( hwnd, &dis.rcItem ); + + clipRegion = CreateRectRgnIndirect(&dis.rcItem); + if (GetClipRgn(hDC, clipRegion) != 1) + { + DeleteObject(clipRegion); + clipRegion=NULL; + } + clipRect = dis.rcItem; + DPtoLP(hDC, (LPPOINT) &clipRect, 2); + IntersectClipRect(hDC, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom); + + SetBkColor( hDC, GetSysColor( COLOR_BTNFACE ) ); + SendMessageW( GetParent(hwnd), WM_DRAWITEM, id, (LPARAM)&dis ); + SelectClipRgn(hDC, clipRegion); +}