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Sweden-Number/programs/clock/winclock.c

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/*
* Clock (winclock.c)
*
* Copyright 1998 by Marcel Baur <mbaur@g26.ethz.ch>
*
* This file is based on rolex.c by Jim Peterson.
*
* I just managed to move the relevant parts into the Clock application
* and made it look like the original Windows one. You can find the original
* rolex.c in the wine /libtest directory.
*
* Original file header:
* >
* > rolex.c: Windows clock application for WINE (by Jim Peterson)
* >
* > This is a translation of a Turbo Pascal OWL application I made
* > once, so it's a little flaky (tons of globals, functions that
* > could have been in-lined, etc.). The source code should easily
* > compile with a standard Win32 C compiler.
* >
* > To try it out, type 'make rolex'.
* >
*
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "winclock.h"
#include "windows.h"
#include "main.h"
#include "winnls.h"
COLORREF FaceColor = RGB(192,192,192);
COLORREF HandColor = RGB(0,0,0);
COLORREF EtchColor = RGB(0,0,0);
float Pi=3.1415926;
int nLastSecond = 60;
HandData OldSecond,OldHour,OldMinute;
int MiddleX(void) {
int X, diff;
X = (Globals.MaxX/2);
diff = (Globals.MaxX-Globals.MaxY);
if (diff>0) { X = (X-(diff/2)); }
return X;
}
int MiddleY(void) {
int Y, diff;
Y = (Globals.MaxY/2);
diff = (Globals.MaxX-Globals.MaxY);
if (diff<0) { Y = Y+(diff/2); }
return Y;
}
void DrawFace(HDC dc)
{
int MidX, MidY, t, DiffX, DiffY;
MidX = MiddleX();
MidY = MiddleY();
DiffX = (Globals.MaxX-MidX*2)/2;
DiffY = (Globals.MaxY-MidY*2)/2;
SelectObject(dc,CreateSolidBrush(FaceColor));
SelectObject(dc,CreatePen(PS_SOLID,1,EtchColor));
Ellipse(dc,DiffX,DiffY,2*MidX+DiffX,2*MidY+DiffY);
for(t=0; t<12; t++)
{
MoveToEx(dc,(MidX+DiffX)+sin(t*Pi/6)*0.9*MidX,(MidY+DiffY)-cos(t*Pi/6)*0.9*MidY,NULL);
LineTo(dc,(MidY+DiffX)+sin(t*Pi/6)*0.8*MidX,(MidY+DiffY)-cos(t*Pi/6)*0.8*MidY);
}
if(Globals.MaxX>64 && Globals.MaxY>64)
for(t=0; t<60; t++)
SetPixel(dc,(MidX+DiffX)+sin(t*Pi/30)*0.9*MidX,(MidY+DiffY)-cos(t*Pi/30)*0.9*MidY
,EtchColor);
DeleteObject(SelectObject(dc,GetStockObject(NULL_BRUSH)));
DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
memset(&OldSecond,0,sizeof(OldSecond));
memset(&OldMinute,0,sizeof(OldMinute));
memset(&OldHour,0,sizeof(OldHour));
}
void DrawHourHand(HDC dc)
{
if (OldHour.DontRedraw) return;
MoveToEx(dc, OldHour.StartX, OldHour.StartY, NULL);
LineTo(dc, OldHour.EndX, OldHour.EndY);
}
void DrawMinuteHand(HDC dc)
{
if (OldMinute.DontRedraw) return;
MoveToEx(dc, OldMinute.StartX, OldMinute.StartY, NULL);
LineTo(dc, OldMinute.EndX, OldMinute.EndY);
}
void DrawSecondHand(HDC dc)
{
if (OldSecond.DontRedraw) return;
MoveToEx(dc, OldSecond.StartX, OldSecond.StartY, NULL);
LineTo(dc, OldSecond.EndX, OldSecond.EndY);
}
BOOL UpdateHourHand(HDC dc,int MidX,int MidY,int XExt,int YExt,WORD Pos)
{
int Sx, Sy, Ex, Ey;
BOOL rv;
rv = FALSE;
Sx = MidX; Sy = MidY;
Ex = MidX+sin(Pos*Pi/6000)*XExt;
Ey = MidY-cos(Pos*Pi/6000)*YExt;
rv = ( Sx!=OldHour.StartX || Ex!=OldHour.EndX ||
Sy!=OldHour.StartY || Ey!=OldHour.EndY );
if (Globals.bAnalog && rv)DrawHourHand(dc);
OldHour.StartX = Sx; OldHour.EndX = Ex;
OldHour.StartY = Sy; OldHour.EndY = Ey;
OldHour.DontRedraw=FALSE;
return rv;
}
BOOL UpdateMinuteHand(HDC dc,int MidX,int MidY,int XExt,int YExt,WORD Pos)
{
int Sx, Sy, Ex, Ey;
BOOL rv;
rv = FALSE;
Sx = MidX; Sy = MidY;
Ex = MidX+sin(Pos*Pi/30000)*XExt;
Ey = MidY-cos(Pos*Pi/30000)*YExt;
rv = ( Sx!=OldMinute.StartX || Ex!=OldMinute.EndX ||
Sy!=OldMinute.StartY || Ey!=OldMinute.EndY );
if (Globals.bAnalog && rv)DrawMinuteHand(dc);
OldMinute.StartX = Sx; OldMinute.EndX = Ex;
OldMinute.StartY = Sy; OldMinute.EndY = Ey;
OldMinute.DontRedraw=FALSE;
return rv;
}
BOOL UpdateSecondHand(HDC dc,int MidX,int MidY,int XExt,int YExt,WORD Pos)
{
int Sx, Sy, Ex, Ey;
BOOL rv;
rv = FALSE;
if (Globals.bSeconds) {
Sx = MidX; Sy = MidY;
Ex = MidX+sin(Pos*Pi/3000)*XExt;
Ey = MidY-cos(Pos*Pi/3000)*YExt;
rv = ( Sx!=OldSecond.StartX || Ex!=OldSecond.EndX ||
Sy!=OldSecond.StartY || Ey!=OldSecond.EndY );
if (Globals.bAnalog && rv) DrawSecondHand(dc);
OldSecond.StartX = Sx; OldSecond.EndX = Ex;
OldSecond.StartY = Sy; OldSecond.EndY = Ey;
OldSecond.DontRedraw=FALSE;
}
return rv;
}
void DigitalClock(HDC dc) {
CHAR szTime[MAX_STRING_LEN];
LPSTR time = szTime;
static short xChar, yChar;
TEXTMETRIC tm;
SYSTEMTIME st;
LPSYSTEMTIME lpst = &st;
GetLocalTime(&st);
GetTimeFormat(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, lpst, NULL, time,
MAX_STRING_LEN);
SelectObject(dc,CreatePen(PS_SOLID,1,FaceColor));
xChar = tm.tmAveCharWidth;
yChar = tm.tmHeight;
xChar = 100;
yChar = 100;
TextOut (dc, xChar, yChar, szTime, strlen (szTime));
DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
}
void AnalogClock(HDC dc) {
SYSTEMTIME st;
WORD H, M, S, F;
int MidX, MidY, DiffX, DiffY;
BOOL Redraw;
GetLocalTime(&st);
S = st.wSecond;
if (nLastSecond==S) { exit; }
nLastSecond = S;
H = st.wHour;
M = st.wMinute;
F = st.wMilliseconds / 10;
F = F + S*100;
M = M*1000+F/6;
H = H*1000+M/60;
MidX = MiddleX();
MidY = MiddleY();
DiffX = (Globals.MaxX-MidX*2)/2;
DiffY = (Globals.MaxY-MidY*2)/2;
SelectObject(dc,CreatePen(PS_SOLID,1,FaceColor));
Redraw = FALSE;
if(UpdateHourHand(dc,MidX+DiffX,MidY+DiffY,MidX*0.5,MidY*0.5,H)) Redraw = TRUE;
if(UpdateMinuteHand(dc,MidX+DiffX,MidY+DiffY,MidX*0.65,MidY*0.65,M)) Redraw = TRUE;
if(UpdateSecondHand(dc,MidX+DiffX,MidY+DiffY,MidX*0.79,MidY*0.79,F)) Redraw = TRUE;
DeleteObject(SelectObject(dc,CreatePen(PS_SOLID,1,HandColor)));
if(Redraw)
{
DrawSecondHand(dc);
DrawMinuteHand(dc);
DrawHourHand(dc);
}
DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
}
void Idle(HDC idc)
{
HDC context;
if(idc)
context=idc;
else
context=GetDC(Globals.hMainWnd);
if (!context) return;
if (Globals.bAnalog)
{
AnalogClock(context);
}
else
{
DigitalClock(context);
}
if(!idc) ReleaseDC(Globals.hMainWnd, context);
}
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