Sweden-Number/controls/button.c

539 lines
18 KiB
C

/* 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, HDC32 hDC, WORD action );
static void PB_PaintGrayOnGray(HDC32 hDC,HFONT32 hFont,RECT32 *rc,char *text);
static void CB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
static void GB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
static void UB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
static void OB_Paint( WND *wndPtr, HDC32 hDC, WORD action );
static void BUTTON_CheckAutoRadioButton( WND *wndPtr );
#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)( WND *wndPtr, HDC32 hdc, WORD 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 */
};
#define PAINT_BUTTON(wndPtr,style,action) \
if (btnPaintFunc[style]) { \
HDC32 hdc = GetDC32( (wndPtr)->hwndSelf ); \
(btnPaintFunc[style])(wndPtr,hdc,action); \
ReleaseDC32( (wndPtr)->hwndSelf, hdc ); }
#define BUTTON_SEND_CTLCOLOR(wndPtr,hdc) \
SendMessage32A( GetParent32((wndPtr)->hwndSelf), WM_CTLCOLORBTN, \
(hdc), (wndPtr)->hwndSelf )
static HBITMAP16 hbitmapCheckBoxes = 0;
static WORD checkBoxWidth = 0, checkBoxHeight = 0;
/***********************************************************************
* ButtonWndProc
*/
LRESULT WINAPI 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)
{
BITMAP16 bmp;
hbitmapCheckBoxes = LoadBitmap16(0, MAKEINTRESOURCE(OBM_CHECKBOXES));
GetObject16( hbitmapCheckBoxes, sizeof(bmp), &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])
{
PAINTSTRUCT32 ps;
HDC32 hdc = BeginPaint32( hWnd, &ps );
(btnPaintFunc[style])( wndPtr, hdc, ODA_DRAWENTIRE );
EndPaint32( hWnd, &ps );
}
break;
case WM_LBUTTONDOWN:
SendMessage32A( hWnd, BM_SETSTATE32, TRUE, 0 );
SetFocus32( hWnd );
SetCapture32( hWnd );
break;
case WM_LBUTTONUP:
ReleaseCapture();
if (!(infoPtr->state & BUTTON_HIGHLIGHTED)) break;
SendMessage32A( hWnd, BM_SETSTATE32, 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( GetParent32(hWnd), WM_COMMAND,
MAKEWPARAM( wndPtr->wIDmenu, BN_CLICKED ), hWnd);
}
break;
case WM_MOUSEMOVE:
if (GetCapture32() == 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 = (HFONT16)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 );
InvalidateRect16( hWnd, NULL, TRUE );
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, HDC32 hDC, WORD action )
{
RECT32 rc;
HPEN32 hOldPen;
HBRUSH32 hOldBrush;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
GetClientRect32( wndPtr->hwndSelf, &rc );
/* Send WM_CTLCOLOR to allow changing the font (the colors are fixed) */
if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
hOldPen = (HPEN32)SelectObject32(hDC, sysColorObjects.hpenWindowFrame);
hOldBrush = (HBRUSH32)SelectObject32(hDC, sysColorObjects.hbrushBtnFace);
SetBkMode32(hDC, TRANSPARENT);
Rectangle32(hDC, rc.left, rc.top, rc.right, rc.bottom);
if (action == ODA_DRAWENTIRE)
{
SetPixel32( hDC, rc.left, rc.top, GetSysColor32(COLOR_WINDOW) );
SetPixel32( hDC, rc.left, rc.bottom-1, GetSysColor32(COLOR_WINDOW) );
SetPixel32( hDC, rc.right-1, rc.top, GetSysColor32(COLOR_WINDOW) );
SetPixel32( hDC, rc.right-1, rc.bottom-1, GetSysColor32(COLOR_WINDOW));
}
InflateRect32( &rc, -1, -1 );
if ((wndPtr->dwStyle & 0x000f) == BS_DEFPUSHBUTTON)
{
Rectangle32(hDC, rc.left, rc.top, rc.right, rc.bottom);
InflateRect32( &rc, -1, -1 );
}
if (infoPtr->state & BUTTON_HIGHLIGHTED)
{
/* draw button shadow: */
SelectObject32(hDC, sysColorObjects.hbrushBtnShadow );
PatBlt32(hDC, rc.left, rc.top, 1, rc.bottom-rc.top, PATCOPY );
PatBlt32(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])
{
LOGBRUSH16 lb;
GetObject16( sysColorObjects.hbrushBtnFace, sizeof(lb), &lb );
if (wndPtr->dwStyle & WS_DISABLED &&
GetSysColor32(COLOR_GRAYTEXT)==lb.lbColor)
/* don't write gray text on gray bkg */
PB_PaintGrayOnGray(hDC,infoPtr->hFont,&rc,wndPtr->text);
else
{
SetTextColor32( hDC, (wndPtr->dwStyle & WS_DISABLED) ?
GetSysColor32(COLOR_GRAYTEXT) :
GetSysColor32(COLOR_BTNTEXT) );
DrawText32A( hDC, wndPtr->text, -1, &rc,
DT_SINGLELINE | DT_CENTER | DT_VCENTER );
/* do we have the focus? */
if (infoPtr->state & BUTTON_HASFOCUS)
{
RECT32 r = { 0, 0, 0, 0 };
INT32 xdelta, ydelta;
DrawText32A( hDC, wndPtr->text, -1, &r,
DT_SINGLELINE | DT_CALCRECT );
xdelta = ((rc.right - rc.left) - (r.right - r.left) - 1) / 2;
ydelta = ((rc.bottom - rc.top) - (r.bottom - r.top) - 1) / 2;
if (xdelta < 0) xdelta = 0;
if (ydelta < 0) ydelta = 0;
InflateRect32( &rc, -xdelta, -ydelta );
DrawFocusRect32( hDC, &rc );
}
}
}
SelectObject32( hDC, hOldPen );
SelectObject32( hDC, hOldBrush );
}
/**********************************************************************
* Push Button sub function [internal]
* using a raster brush to avoid gray text on gray background
*/
void PB_PaintGrayOnGray(HDC32 hDC,HFONT32 hFont,RECT32 *rc,char *text)
{
static const int Pattern[] = {0xAA,0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55};
HBITMAP32 hbm = CreateBitmap32( 8, 8, 1, 1, Pattern );
HDC32 hdcMem = CreateCompatibleDC32(hDC);
HBITMAP32 hbmMem;
HBRUSH16 hBr;
RECT32 rect,rc2;
rect=*rc;
DrawText32A( 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 = CreateCompatibleBitmap32( hDC,rect.right,rect.bottom );
SelectObject32( hdcMem, hbmMem);
hBr = SelectObject32( hdcMem, CreatePatternBrush32(hbm) );
DeleteObject32( hbm );
PatBlt32( hdcMem,0,0,rect.right,rect.bottom,WHITENESS);
if (hFont) SelectObject32( hdcMem, hFont);
DrawText32A( hdcMem, text, -1, &rc2, DT_SINGLELINE);
PatBlt32( hdcMem,0,0,rect.right,rect.bottom,0xFA0089);
DeleteObject32( SelectObject32( hdcMem,hBr) );
BitBlt32(hDC,rect.left,rect.top,rect.right,rect.bottom,hdcMem,0,0,0x990000);
DeleteDC32( hdcMem);
DeleteObject32( hbmMem );
}
/**********************************************************************
* Check Box & Radio Button Functions
*/
static void CB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
{
RECT16 rbox, rtext, client;
HBRUSH16 hBrush;
int textlen, delta;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
textlen = 0;
GetClientRect16(wndPtr->hwndSelf, &client);
rbox = rtext = client;
if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
hBrush = BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
if (wndPtr->dwStyle & 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;
}
/* Draw the check-box bitmap */
if (wndPtr->text) textlen = strlen( wndPtr->text );
if (action == ODA_DRAWENTIRE || action == ODA_SELECT)
{
int x = 0, y = 0;
delta = (rbox.bottom - rbox.top - checkBoxHeight) >> 1;
if (action == ODA_SELECT) FillRect16( hDC, &rbox, hBrush );
else FillRect16( hDC, &client, hBrush );
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, rbox.left, rbox.top + delta,
x, y, checkBoxWidth, checkBoxHeight, FALSE );
if( textlen && action != ODA_SELECT )
{
if (wndPtr->dwStyle & WS_DISABLED)
SetTextColor32( hDC, GetSysColor32(COLOR_GRAYTEXT) );
DrawText16( hDC, wndPtr->text, textlen, &rtext,
DT_SINGLELINE | DT_VCENTER );
}
}
if ((action == ODA_FOCUS) ||
((action == ODA_DRAWENTIRE) && (infoPtr->state & BUTTON_HASFOCUS)))
{
/* again, this is what CTL3D expects */
SetRectEmpty16(&rbox);
if( textlen )
DrawText16( hDC, wndPtr->text, textlen, &rbox,
DT_SINGLELINE | DT_CALCRECT );
textlen = rbox.bottom - rbox.top;
delta = ((rtext.bottom - rtext.top) - textlen)/2;
rbox.bottom = (rbox.top = rtext.top + delta - 1) + textlen + 2;
textlen = rbox.right - rbox.left;
rbox.right = (rbox.left += --rtext.left) + textlen + 2;
IntersectRect16(&rbox, &rbox, &rtext);
DrawFocusRect16( hDC, &rbox );
}
}
/**********************************************************************
* BUTTON_CheckAutoRadioButton
*
* wndPtr is checked, uncheck every other auto radio button in group
*/
static void BUTTON_CheckAutoRadioButton( WND *wndPtr )
{
HWND32 parent, sibling;
if (!(wndPtr->dwStyle & WS_CHILD)) return;
parent = wndPtr->parent->hwndSelf;
for(sibling = GetNextDlgGroupItem32( parent, wndPtr->hwndSelf, FALSE );
sibling != wndPtr->hwndSelf && sibling != 0;
sibling = GetNextDlgGroupItem32( parent, sibling, FALSE ))
if((WIN_FindWndPtr(sibling)->dwStyle & 0x0f) == BS_AUTORADIOBUTTON)
SendMessage32A( sibling, BM_SETCHECK32, BUTTON_UNCHECKED, 0 );
}
/**********************************************************************
* Group Box Functions
*/
static void GB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
{
RECT16 rc;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
if (action != ODA_DRAWENTIRE) return;
BUTTON_SEND_CTLCOLOR( wndPtr, hDC );
GetClientRect16( wndPtr->hwndSelf, &rc);
GRAPH_DrawRectangle( hDC, rc.left, rc.top + 2, rc.right - 1, rc.bottom - 1,
sysColorObjects.hpenWindowFrame );
if (wndPtr->text)
{
if (infoPtr->hFont) SelectObject32( hDC, infoPtr->hFont );
if (wndPtr->dwStyle & WS_DISABLED)
SetTextColor32( hDC, GetSysColor32(COLOR_GRAYTEXT) );
rc.left += 10;
DrawText16( hDC, wndPtr->text, -1, &rc, DT_SINGLELINE | DT_NOCLIP );
}
}
/**********************************************************************
* User Button Functions
*/
static void UB_Paint( WND *wndPtr, HDC32 hDC, WORD action )
{
RECT16 rc;
HBRUSH16 hBrush;
BUTTONINFO *infoPtr = (BUTTONINFO *)wndPtr->wExtra;
if (action == ODA_SELECT) return;
GetClientRect16( wndPtr->hwndSelf, &rc);
if (infoPtr->hFont) SelectObject32( 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, HDC32 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( GetParent32(wndPtr->hwndSelf), WM_DRAWITEM,
wndPtr->wIDmenu, (LPARAM)&dis );
}