| /* File: button.c -- Button type widgets |
| * |
| * Copyright (C) 1993 Johannes Ruscheinski |
| * Copyright (C) 1993 David Metcalfe |
| * Copyright (C) 1994 Alexandre Julliard |
| */ |
| |
| #include "win.h" |
| #include "syscolor.h" |
| #include "graphics.h" |
| #include "button.h" |
| |
| static void PB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT16 *rc,char *text); |
| static void CB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void GB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void UB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void OB_Paint( WND *wndPtr, HDC hDC, WORD action ); |
| static void BUTTON_CheckAutoRadioButton( WND *wndPtr ); |
| |
| #define MAX_BTN_TYPE 12 |
| |
| static 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)( WND *wndPtr, HDC hdc, WORD action ); |
| |
| static 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 */ |
| }; |
| |
| #define PAINT_BUTTON(wndPtr,style,action) \ |
| if (btnPaintFunc[style]) { \ |
| HDC hdc = GetDC( (wndPtr)->hwndSelf ); \ |
| (btnPaintFunc[style])(wndPtr,hdc,action); \ |
| ReleaseDC( (wndPtr)->hwndSelf, hdc ); } |
| |
| #define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \ |
| SendMessage32A( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \ |
| (hdc), (wndPtr)->hwndSelf ) |
| |
| static HBITMAP hbitmapCheckBoxes = 0; |
| static WORD checkBoxWidth = 0, checkBoxHeight = 0; |
| |
| |
| /*********************************************************************** |
| * ButtonWndProc |
| */ |
| LRESULT ButtonWndProc(HWND32 hWnd, UINT32 uMsg, WPARAM32 wParam, LPARAM lParam) |
| { |
| RECT16 rect; |
| WND *wndPtr = WIN_FindWndPtr(hWnd); |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| LONG style = wndPtr->dwStyle & 0x0f; |
| |
| switch (uMsg) |
| { |
| case WM_GETDLGCODE: |
| switch(style) |
| { |
| 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( wndPtr, style, ODA_DRAWENTIRE ); |
| break; |
| |
| case WM_CREATE: |
| if (!hbitmapCheckBoxes) |
| { |
| BITMAP bmp; |
| hbitmapCheckBoxes = LoadBitmap(0, MAKEINTRESOURCE(OBM_CHECKBOXES)); |
| GetObject( hbitmapCheckBoxes, sizeof(bmp), (LPSTR)&bmp ); |
| checkBoxWidth = bmp.bmWidth / 4; |
| checkBoxHeight = bmp.bmHeight / 3; |
| } |
| if (style < 0L || style >= MAX_BTN_TYPE) return -1; /* abort */ |
| infoPtr->state = BUTTON_UNCHECKED; |
| infoPtr->hFont = 0; |
| return 0; |
| |
| case WM_ERASEBKGND: |
| break; |
| |
| case WM_PAINT: |
| if (btnPaintFunc[style]) |
| { |
| PAINTSTRUCT16 ps; |
| HDC hdc = BeginPaint16( hWnd, &ps ); |
| (btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE ); |
| EndPaint16( hWnd, &ps ); |
| } |
| break; |
| |
| case WM_LBUTTONDOWN: |
| SendMessage32A( hWnd, BM_SETSTATE32, TRUE, 0 ); |
| SetFocus( hWnd ); |
| SetCapture( hWnd ); |
| break; |
| |
| case WM_LBUTTONUP: |
| ReleaseCapture(); |
| if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break; |
| SendMessage16( hWnd, BM_SETSTATE16, FALSE, 0 ); |
| GetClientRect16( hWnd, &rect ); |
| if (PtInRect16( &rect, MAKEPOINT16(lParam) )) |
| { |
| switch(style) |
| { |
| case BS_AUTOCHECKBOX: |
| SendMessage32A( hWnd, BM_SETCHECK32, |
| !(infoPtr->state & BUTTON_CHECKED), 0 ); |
| break; |
| case BS_AUTORADIOBUTTON: |
| SendMessage32A( hWnd, BM_SETCHECK32, TRUE, 0 ); |
| break; |
| case BS_AUTO3STATE: |
| SendMessage32A( hWnd, BM_SETCHECK32, |
| (infoPtr->state & BUTTON_3STATE) ? 0 : |
| ((infoPtr->state & 3) + 1), 0 ); |
| break; |
| } |
| SendMessage32A( GetParent(hWnd), WM_COMMAND, |
| MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd); |
| } |
| break; |
| |
| case WM_MOUSEMOVE: |
| if (GetCapture() == hWnd) |
| { |
| GetClientRect16( hWnd, &rect ); |
| SendMessage32A( hWnd, BM_SETSTATE32, |
| PtInRect16( &rect,MAKEPOINT16(lParam) ), 0 ); |
| } |
| break; |
| |
| case WM_NCHITTEST: |
| if(style == BS_GROUPBOX) return HTTRANSPARENT; |
| return DefWindowProc32A( hWnd, uMsg, wParam, lParam ); |
| |
| case WM_SETTEXT: |
| DEFWND_SetText( wndPtr, (LPSTR)lParam ); |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| return 0; |
| |
| case WM_SETFONT: |
| infoPtr->hFont = (HFONT) wParam; |
| if (lParam) PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| break; |
| |
| case WM_GETFONT: |
| return infoPtr->hFont; |
| |
| case WM_SETFOCUS: |
| infoPtr->state |= BUTTON_HASFOCUS; |
| PAINT_BUTTON( wndPtr, style, ODA_FOCUS ); |
| break; |
| |
| case WM_KILLFOCUS: |
| infoPtr->state &= ~BUTTON_HASFOCUS; |
| PAINT_BUTTON( wndPtr, style, ODA_FOCUS ); |
| break; |
| |
| case WM_SYSCOLORCHANGE: |
| InvalidateRect32( hWnd, NULL, FALSE ); |
| break; |
| |
| case BM_SETSTYLE16: |
| case BM_SETSTYLE32: |
| if ((wParam & 0x0f) >= MAX_BTN_TYPE) break; |
| wndPtr->dwStyle = (wndPtr->dwStyle & 0xfffffff0) |
| | (wParam & 0x0000000f); |
| style = wndPtr->dwStyle & 0x0000000f; |
| PAINT_BUTTON( wndPtr, style, ODA_DRAWENTIRE ); |
| break; |
| |
| case BM_GETCHECK16: |
| case BM_GETCHECK32: |
| return infoPtr->state & 3; |
| |
| case BM_SETCHECK16: |
| case BM_SETCHECK32: |
| if (wParam > maxCheckState[style]) wParam = maxCheckState[style]; |
| if ((infoPtr->state & 3) != wParam) |
| { |
| infoPtr->state = (infoPtr->state & ~3) | wParam; |
| PAINT_BUTTON( wndPtr, style, ODA_SELECT ); |
| } |
| if ((style == BS_AUTORADIOBUTTON) && (wParam == BUTTON_CHECKED)) |
| BUTTON_CheckAutoRadioButton( wndPtr ); |
| break; |
| |
| case BM_GETSTATE16: |
| case BM_GETSTATE32: |
| return infoPtr->state; |
| |
| case BM_SETSTATE16: |
| case BM_SETSTATE32: |
| if (wParam) |
| { |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) break; |
| infoPtr->state |= BUTTON_HIGHLIGHTED; |
| } |
| else |
| { |
| if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break; |
| infoPtr->state &= ~BUTTON_HIGHLIGHTED; |
| } |
| PAINT_BUTTON( wndPtr, style, ODA_SELECT ); |
| break; |
| |
| default: |
| return DefWindowProc32A(hWnd, uMsg, wParam, lParam); |
| } |
| return 0; |
| } |
| |
| |
| /********************************************************************** |
| * Push Button Functions |
| */ |
| |
| static void PB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT16 rc; |
| HPEN16 hOldPen; |
| HBRUSH hOldBrush; |
| DWORD dwTextSize; |
| TEXTMETRIC tm; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| |
| GetClientRect16(wndPtr->hwndSelf, &rc); |
| |
| /* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */ |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| BUTTON_SEND_CTLCOLOR( wndPtr, hDC ); |
| hOldPen = (HPEN16)SelectObject(hDC, sysColorObjects.hpenWindowFrame); |
| hOldBrush = (HBRUSH)SelectObject(hDC, sysColorObjects.hbrushBtnFace); |
| SetBkMode(hDC, TRANSPARENT); |
| Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); |
| if (action == ODA_DRAWENTIRE) |
| { |
| SetPixel( hDC, rc.left, rc.top, GetSysColor(COLOR_WINDOW) ); |
| SetPixel( hDC, rc.left, rc.bottom-1, GetSysColor(COLOR_WINDOW) ); |
| SetPixel( hDC, rc.right-1, rc.top, GetSysColor(COLOR_WINDOW) ); |
| SetPixel( hDC, rc.right-1, rc.bottom-1, GetSysColor(COLOR_WINDOW) ); |
| } |
| InflateRect16( &rc, -1, -1 ); |
| |
| if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON) |
| { |
| Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom); |
| InflateRect16( &rc, -1, -1 ); |
| } |
| |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) |
| { |
| /* draw button shadow: */ |
| SelectObject(hDC, sysColorObjects.hbrushBtnShadow ); |
| PatBlt(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY ); |
| PatBlt(hDC, rc.left, rc.top, rc.right-rc.left, 1, PATCOPY ); |
| rc.left += 2; /* To position the text down and right */ |
| rc.top += 2; |
| } |
| else GRAPH_DrawReliefRect( hDC, &rc, 2, 2, FALSE ); |
| |
| /* draw button label, if any: */ |
| if (wndPtr->text && wndPtr->text[0]) |
| { |
| LOGBRUSH lb; |
| GetObject(sysColorObjects.hbrushBtnFace,sizeof(LOGBRUSH),(LPSTR)&lb); |
| if (wndPtr->dwStyle & WS_DISABLED && |
| GetSysColor(COLOR_GRAYTEXT)==lb.lbColor) |
| /* don't write gray text on gray bkg */ |
| PB_PaintGrayOnGray(hDC,infoPtr->hFont,&rc,wndPtr->text); |
| else |
| { |
| SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ? |
| GetSysColor(COLOR_GRAYTEXT) : GetSysColor(COLOR_BTNTEXT)); |
| DrawText16( hDC, wndPtr->text, -1, &rc, |
| DT_SINGLELINE | DT_CENTER | DT_VCENTER ); |
| /* do we have the focus? */ |
| if (infoPtr->state & BUTTON_HASFOCUS) |
| { |
| short xdelta, ydelta; |
| dwTextSize = GetTextExtent(hDC,wndPtr->text,strlen(wndPtr->text)); |
| GetTextMetrics( hDC, &tm ); |
| xdelta = ((rc.right - rc.left) - LOWORD(dwTextSize) - 1) / 2; |
| ydelta = ((rc.bottom - rc.top) - tm.tmHeight - 1) / 2; |
| if (xdelta < 0) xdelta = 0; |
| if (ydelta < 0) ydelta = 0; |
| InflateRect16( &rc, -xdelta, -ydelta ); |
| DrawFocusRect16( hDC, &rc ); |
| } |
| } |
| } |
| |
| SelectObject( hDC, hOldPen ); |
| SelectObject( hDC, hOldBrush ); |
| } |
| |
| |
| /********************************************************************** |
| * Push Button sub function [internal] |
| * using a raster brush to avoid gray text on gray background |
| */ |
| |
| void PB_PaintGrayOnGray(HDC hDC,HFONT hFont,RECT16 *rc,char *text) |
| { |
| static int Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55}; |
| HBITMAP hbm = CreateBitmap(8, 8, 1, 1, Pattern); |
| HDC hdcMem = CreateCompatibleDC(hDC); |
| HBITMAP hbmMem; |
| HBRUSH hBr; |
| RECT16 rect,rc2; |
| |
| rect=*rc; |
| DrawText16( hDC, text, -1, &rect, DT_SINGLELINE | DT_CALCRECT); |
| rc2=rect; |
| rect.left=(rc->right-rect.right)/2; /* for centering text bitmap */ |
| rect.top=(rc->bottom-rect.bottom)/2; |
| hbmMem = CreateCompatibleBitmap( hDC,rect.right,rect.bottom); |
| SelectObject( hdcMem, hbmMem); |
| hBr = SelectObject( hdcMem,CreatePatternBrush(hbm)); |
| DeleteObject( hbm); |
| PatBlt( hdcMem,0,0,rect.right,rect.bottom,WHITENESS); |
| if (hFont) SelectObject( hdcMem, hFont); |
| DrawText16( hdcMem, text, -1, &rc2, DT_SINGLELINE); |
| PatBlt( hdcMem,0,0,rect.right,rect.bottom,0xFA0089); |
| DeleteObject( SelectObject( hdcMem,hBr)); |
| BitBlt( hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,0x990000); |
| DeleteDC( hdcMem); |
| DeleteObject( hbmMem); |
| } |
| |
| |
| /********************************************************************** |
| * Check Box & Radio Button Functions |
| */ |
| |
| static void CB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT16 rc; |
| HBRUSH hBrush; |
| int textlen, delta, x, y; |
| TEXTMETRIC tm; |
| SIZE16 size; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| |
| GetClientRect16(wndPtr->hwndSelf, &rc); |
| |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| hBrush = BUTTON_SEND_CTLCOLOR( wndPtr, hDC ); |
| if (action == ODA_DRAWENTIRE) FillRect16( hDC, &rc, hBrush ); |
| |
| GetTextMetrics(hDC, &tm); |
| delta = (rc.bottom - rc.top - tm.tmHeight) >> 1; |
| |
| /* Draw the check-box bitmap */ |
| x = y = 0; |
| if (infoPtr->state & BUTTON_HIGHLIGHTED) x += 2 * checkBoxWidth; |
| if (infoPtr->state & (BUTTON_CHECKED | BUTTON_3STATE)) x += checkBoxWidth; |
| if (((wndPtr->dwStyle & 0x0f) == BS_RADIOBUTTON) || |
| ((wndPtr->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)) y += checkBoxHeight; |
| else if (infoPtr->state & BUTTON_3STATE) y += 2 * checkBoxHeight; |
| GRAPH_DrawBitmap( hDC, hbitmapCheckBoxes, rc.left, rc.top + delta, |
| x, y, checkBoxWidth, checkBoxHeight ); |
| rc.left += checkBoxWidth + tm.tmAveCharWidth / 2; |
| |
| if (!wndPtr->text) return; |
| textlen = strlen( wndPtr->text ); |
| |
| if (action == ODA_DRAWENTIRE) |
| { |
| if (wndPtr->dwStyle & WS_DISABLED) |
| SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) ); |
| DrawText16( hDC, wndPtr->text, textlen, &rc, |
| DT_SINGLELINE | DT_VCENTER ); |
| } |
| |
| if ((action == ODA_FOCUS) || |
| ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS))) |
| { |
| GetTextExtentPoint16( hDC, wndPtr->text, textlen, &size ); |
| if (delta > 1) |
| { |
| rc.top += delta - 1; |
| rc.bottom -= delta + 1; |
| } |
| rc.left--; |
| rc.right = MIN( rc.left + size.cx + 2, rc.right ); |
| DrawFocusRect16( hDC, &rc ); |
| } |
| } |
| |
| |
| /********************************************************************** |
| * BUTTON_CheckAutoRadioButton |
| * |
| * wndPtr is checked, uncheck everything else in group |
| */ |
| static void BUTTON_CheckAutoRadioButton( WND *wndPtr ) |
| { |
| HWND parent, sibling; |
| if (!(wndPtr->dwStyle & WS_CHILD)) return; |
| parent = wndPtr->parent->hwndSelf; |
| for(sibling = GetNextDlgGroupItem(parent,wndPtr->hwndSelf,FALSE); |
| sibling != wndPtr->hwndSelf; |
| sibling = GetNextDlgGroupItem(parent,sibling,FALSE)) |
| SendMessage32A( sibling, BM_SETCHECK32, BUTTON_UNCHECKED, 0 ); |
| } |
| |
| |
| /********************************************************************** |
| * Group Box Functions |
| */ |
| |
| static void GB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT16 rc; |
| SIZE16 size; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| |
| if (action != ODA_DRAWENTIRE) return; |
| |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| BUTTON_SEND_CTLCOLOR( wndPtr, hDC ); |
| SelectObject( hDC, sysColorObjects.hpenWindowFrame ); |
| |
| GetClientRect16( wndPtr->hwndSelf, &rc); |
| |
| MoveTo( hDC, rc.left, rc.top+2 ); |
| LineTo( hDC, rc.right-1, rc.top+2 ); |
| LineTo( hDC, rc.right-1, rc.bottom-1 ); |
| LineTo( hDC, rc.left, rc.bottom-1 ); |
| LineTo( hDC, rc.left, rc.top+2 ); |
| |
| if (!wndPtr->text) return; |
| GetTextExtentPoint16( hDC, wndPtr->text, strlen(wndPtr->text), &size ); |
| rc.left += 10; |
| rc.right = rc.left + size.cx + 1; |
| rc.bottom = size.cy; |
| if (wndPtr->dwStyle & WS_DISABLED) |
| SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) ); |
| DrawText16( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE ); |
| } |
| |
| |
| /********************************************************************** |
| * User Button Functions |
| */ |
| |
| static void UB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| RECT16 rc; |
| HBRUSH hBrush; |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| |
| if (action == ODA_SELECT) return; |
| |
| GetClientRect16( wndPtr->hwndSelf, &rc); |
| |
| if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont ); |
| hBrush = BUTTON_SEND_CTLCOLOR( wndPtr, hDC ); |
| FillRect16( hDC, &rc, hBrush ); |
| |
| if ((action == ODA_FOCUS) || |
| ((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS))) |
| DrawFocusRect16( hDC, &rc ); |
| } |
| |
| |
| /********************************************************************** |
| * Ownerdrawn Button Functions |
| */ |
| |
| static void OB_Paint( WND *wndPtr, HDC hDC, WORD action ) |
| { |
| BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra; |
| DRAWITEMSTRUCT32 dis; |
| |
| dis.CtlType = ODT_BUTTON; |
| dis.CtlID = wndPtr->wIDmenu; |
| dis.itemID = 0; |
| dis.itemAction = action; |
| dis.itemState = (infoPtr->state & BUTTON_HASFOCUS) ? ODS_FOCUS : 0 | |
| (infoPtr->state & BUTTON_HIGHLIGHTED) ? ODS_SELECTED : 0 | |
| (wndPtr->dwStyle & WS_DISABLED) ? ODS_DISABLED : 0; |
| dis.hwndItem = wndPtr->hwndSelf; |
| dis.hDC = hDC; |
| dis.itemData = 0; |
| GetClientRect32( wndPtr->hwndSelf, &dis.rcItem ); |
| SendMessage32A( GetParent(wndPtr->hwndSelf), WM_DRAWITEM, 1, (LPARAM)&dis); |
| } |
