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Sweden-Number/controls/button.c

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/* 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 "user.h"
#include "syscolor.h"
#include "graphics.h"
#include "button.h"
#include "stackframe.h"
extern void DEFWND_SetText( WND *wndPtr, LPSTR text ); /* windows/defwnd.c */
static void PB_Paint( WND *wndPtr, HDC hDC, WORD action );
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 ); }
#ifdef WINELIB32
#define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
SendMessage( GetParent((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
(hdc), (wndPtr)->hwndSelf )
#else
#define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
SendMessage( GetParent((wndPtr)->hwndSelf), WM_CTLCOLOR, (hdc), \
MAKELPARAM((wndPtr)->hwndSelf, CTLCOLOR_BTN) )
#endif
static HBITMAP hbitmapCheckBoxes = 0;
static WORD checkBoxWidth = 0, checkBoxHeight = 0;
LRESULT ButtonWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
RECT rect;
POINT pt;
LONG lResult = 0;
WND *wndPtr = WIN_FindWndPtr(hWnd);
LONG style = wndPtr->dwStyle & 0x0000000F;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
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)
lResult = -1L;
else
{
infoPtr->state = BUTTON_UNCHECKED;
infoPtr->hFont = 0;
lResult = 0L;
}
break;
case WM_ERASEBKGND:
break;
case WM_PAINT:
if (btnPaintFunc[style])
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint( hWnd, &ps );
(btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
ReleaseDC( hWnd, hdc );
}
break;
case WM_LBUTTONDOWN:
SendMessage( hWnd, BM_SETSTATE, TRUE, 0 );
SetFocus( hWnd );
SetCapture( hWnd );
break;
case WM_LBUTTONUP:
ReleaseCapture();
if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
SendMessage( hWnd, BM_SETSTATE, FALSE, 0 );
GetClientRect( hWnd, &rect );
pt.x = LOWORD(lParam);
pt.y = HIWORD(lParam);
if (PtInRect( &rect, pt ))
{
switch(style)
{
case BS_AUTOCHECKBOX:
SendMessage( hWnd, BM_SETCHECK,
!(infoPtr->state & BUTTON_CHECKED), 0 );
break;
case BS_AUTORADIOBUTTON:
SendMessage( hWnd, BM_SETCHECK, TRUE, 0 );
break;
case BS_AUTO3STATE:
SendMessage( hWnd, BM_SETCHECK,
(infoPtr->state & BUTTON_3STATE) ? 0 :
((infoPtr->state & 3) + 1), 0 );
break;
}
#ifdef WINELIB32
SendMessage( GetParent(hWnd), WM_COMMAND,
MAKEWPARAM(wndPtr->wIDmenu,BN_CLICKED), hWnd);
#else
SendMessage( GetParent(hWnd), WM_COMMAND,
wndPtr->wIDmenu, MAKELPARAM(hWnd,BN_CLICKED));
#endif
}
break;
case WM_MOUSEMOVE:
if (GetCapture() == hWnd)
{
GetClientRect( hWnd, &rect );
pt.x = LOWORD(lParam);
pt.y = HIWORD(lParam);
if (PtInRect( &rect, pt) )
SendMessage( hWnd, BM_SETSTATE, TRUE, 0 );
else SendMessage( hWnd, BM_SETSTATE, FALSE, 0 );
}
break;
case WM_NCHITTEST:
if(style == BS_GROUPBOX) return HTTRANSPARENT;
lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
break;
case WM_SETTEXT:
DEFWND_SetText( wndPtr, (LPSTR)PTR_SEG_TO_LIN(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:
InvalidateRect(hWnd, NULL, FALSE);
break;
case BM_SETSTYLE:
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_GETCHECK:
lResult = infoPtr->state & 3;
break;
case BM_SETCHECK:
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_GETSTATE:
lResult = infoPtr->state;
break;
case BM_SETSTATE:
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:
lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
break;
}
return lResult;
}
/**********************************************************************
* Push Button Functions
*/
static void PB_Paint( WND *wndPtr, HDC hDC, WORD action )
{
RECT rc;
HPEN hOldPen;
HBRUSH hOldBrush;
char *text;
DWORD dwTextSize;
TEXTMETRIC tm;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
GetClientRect(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 = (HPEN)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) );
}
InflateRect( &rc, -1, -1 );
if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
{
Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
InflateRect( &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: */
text = (char*) USER_HEAP_LIN_ADDR( wndPtr->hText );
if (text && text[0])
{
SetTextColor( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
GetSysColor(COLOR_GRAYTEXT) : GetSysColor(COLOR_BTNTEXT));
DrawText(hDC, 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, text, strlen(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;
InflateRect( &rc, -xdelta, -ydelta );
DrawFocusRect( hDC, &rc );
}
}
SelectObject( hDC, hOldPen );
SelectObject( hDC, hOldBrush );
}
/**********************************************************************
* Check Box & Radio Button Functions
*/
static void CB_Paint( WND *wndPtr, HDC hDC, WORD action )
{
RECT rc;
HBRUSH hBrush;
int textlen, delta, x, y;
char *text;
TEXTMETRIC tm;
SIZE size;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
GetClientRect(wndPtr->hwndSelf, &rc);
if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
hBrush = BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
if (action == ODA_DRAWENTIRE) FillRect(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 (!(text = (char*) USER_HEAP_LIN_ADDR( wndPtr->hText ))) return;
textlen = strlen( text );
if (action == ODA_DRAWENTIRE)
{
if (wndPtr->dwStyle & WS_DISABLED)
SetTextColor( hDC, GetSysColor(COLOR_GRAYTEXT) );
DrawText(hDC, text, textlen, &rc, DT_SINGLELINE | DT_VCENTER);
}
if ((action == ODA_FOCUS) ||
((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
{
GetTextExtentPoint(hDC, 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 );
DrawFocusRect(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))
SendMessage(sibling,BM_SETCHECK,BUTTON_UNCHECKED,0);
}
/**********************************************************************
* Group Box Functions
*/
static void GB_Paint( WND *wndPtr, HDC hDC, WORD action )
{
RECT rc;
char *text;
SIZE 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 );
GetClientRect( 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 (!(text = (char*) USER_HEAP_LIN_ADDR( wndPtr->hText ))) return;
GetTextExtentPoint(hDC, text, strlen(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) );
DrawText(hDC, text, -1, &rc, DT_SINGLELINE );
}
/**********************************************************************
* User Button Functions
*/
static void UB_Paint( WND *wndPtr, HDC hDC, WORD action )
{
RECT rc;
HBRUSH hBrush;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
if (action == ODA_SELECT) return;
GetClientRect( wndPtr->hwndSelf, &rc);
if (infoPtr->hFont) SelectObject( hDC, infoPtr->hFont );
hBrush = BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
FillRect(hDC, &rc, hBrush);
if ((action == ODA_FOCUS) ||
((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
DrawFocusRect(hDC, &rc);
}
/**********************************************************************
* Ownerdrawn Button Functions
*/
static void OB_Paint( WND *wndPtr, HDC hDC, WORD action )
{
DRAWITEMSTRUCT dis;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
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;
GetClientRect( wndPtr->hwndSelf, &dis.rcItem );
dis.itemData = 0;
SendMessage( GetParent(wndPtr->hwndSelf), WM_DRAWITEM, 1,
(LPARAM)MAKE_SEGPTR(&dis) );
}
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