wine/programs/clock/winclock.c
2006-05-23 14:11:13 +02:00

242 lines
6.7 KiB
C

/*
* 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.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "windows.h"
#include "winclock.h"
#define Black RGB(0,0,0)
#define Gray RGB(128,128,128)
#define LtGray RGB(192,192,192)
#define White RGB(255,255,255)
static const COLORREF FaceColor = LtGray;
static const COLORREF HandColor = White;
static const COLORREF TickColor = White;
static const COLORREF ShadowColor = Black;
static const COLORREF BackgroundColor = LtGray;
static const int SHADOW_DEPTH = 2;
typedef struct
{
POINT Start;
POINT End;
} HandData;
HandData HourHand, MinuteHand, SecondHand;
static void DrawTicks(HDC dc, const POINT* centre, int radius)
{
int t;
/* Minute divisions */
if (radius>64)
for(t=0; t<60; t++) {
MoveToEx(dc,
centre->x + sin(t*M_PI/30)*0.9*radius,
centre->y - cos(t*M_PI/30)*0.9*radius,
NULL);
LineTo(dc,
centre->x + sin(t*M_PI/30)*0.89*radius,
centre->y - cos(t*M_PI/30)*0.89*radius);
}
/* Hour divisions */
for(t=0; t<12; t++) {
MoveToEx(dc,
centre->x + sin(t*M_PI/6)*0.9*radius,
centre->y - cos(t*M_PI/6)*0.9*radius,
NULL);
LineTo(dc,
centre->x + sin(t*M_PI/6)*0.8*radius,
centre->y - cos(t*M_PI/6)*0.8*radius);
}
}
static void DrawFace(HDC dc, const POINT* centre, int radius)
{
/* Ticks */
SelectObject(dc, CreatePen(PS_SOLID, 2, ShadowColor));
OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
DrawTicks(dc, centre, radius);
DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 2, TickColor)));
OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
DrawTicks(dc, centre, radius);
DeleteObject(SelectObject(dc, GetStockObject(NULL_BRUSH)));
DeleteObject(SelectObject(dc, GetStockObject(NULL_PEN)));
}
static void DrawHand(HDC dc,HandData* hand)
{
MoveToEx(dc, hand->Start.x, hand->Start.y, NULL);
LineTo(dc, hand->End.x, hand->End.y);
}
static void DrawHands(HDC dc, BOOL bSeconds)
{
if (bSeconds) {
#if 0
SelectObject(dc, CreatePen(PS_SOLID, 1, ShadowColor));
OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
DrawHand(dc, &SecondHand);
DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 1, HandColor)));
OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
#else
SelectObject(dc, CreatePen(PS_SOLID, 1, HandColor));
#endif
DrawHand(dc, &SecondHand);
DeleteObject(SelectObject(dc, GetStockObject(NULL_PEN)));
}
SelectObject(dc, CreatePen(PS_SOLID, 4, ShadowColor));
OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
DrawHand(dc, &MinuteHand);
DrawHand(dc, &HourHand);
DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 4, HandColor)));
OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
DrawHand(dc, &MinuteHand);
DrawHand(dc, &HourHand);
DeleteObject(SelectObject(dc, GetStockObject(NULL_PEN)));
}
static void PositionHand(const POINT* centre, double length, double angle, HandData* hand)
{
hand->Start = *centre;
hand->End.x = centre->x + sin(angle)*length;
hand->End.y = centre->y - cos(angle)*length;
}
static void PositionHands(const POINT* centre, int radius, BOOL bSeconds)
{
SYSTEMTIME st;
double hour, minute, second;
/* 0 <= hour,minute,second < 2pi */
/* Adding the millisecond count makes the second hand move more smoothly */
GetLocalTime(&st);
second = st.wSecond + st.wMilliseconds/1000.0;
minute = st.wMinute + second/60.0;
hour = st.wHour % 12 + minute/60.0;
PositionHand(centre, radius * 0.5, hour/12 * 2*M_PI, &HourHand);
PositionHand(centre, radius * 0.65, minute/60 * 2*M_PI, &MinuteHand);
if (bSeconds)
PositionHand(centre, radius * 0.79, second/60 * 2*M_PI, &SecondHand);
}
void AnalogClock(HDC dc, int x, int y, BOOL bSeconds)
{
POINT centre;
int radius;
radius = min(x, y)/2 - SHADOW_DEPTH;
if (radius < 0)
return;
centre.x = x/2;
centre.y = y/2;
DrawFace(dc, &centre, radius);
PositionHands(&centre, radius, bSeconds);
DrawHands(dc, bSeconds);
}
HFONT SizeFont(HDC dc, int x, int y, BOOL bSeconds, const LOGFONT* font)
{
SIZE extent;
LOGFONT lf;
double xscale, yscale;
HFONT oldFont, newFont;
CHAR szTime[255];
int chars;
chars = GetTimeFormat(LOCALE_USER_DEFAULT, bSeconds ? 0 : TIME_NOSECONDS, NULL,
NULL, szTime, sizeof (szTime));
if (!chars)
return 0;
--chars;
lf = *font;
lf.lfHeight = -20;
x -= 2 * SHADOW_DEPTH;
y -= 2 * SHADOW_DEPTH;
oldFont = SelectObject(dc, CreateFontIndirect(&lf));
GetTextExtentPoint(dc, szTime, chars, &extent);
DeleteObject(SelectObject(dc, oldFont));
xscale = (double)x/extent.cx;
yscale = (double)y/extent.cy;
lf.lfHeight *= min(xscale, yscale);
newFont = CreateFontIndirect(&lf);
return newFont;
}
void DigitalClock(HDC dc, int x, int y, BOOL bSeconds, HFONT font)
{
SIZE extent;
HFONT oldFont;
CHAR szTime[255];
int chars;
chars = GetTimeFormat(LOCALE_USER_DEFAULT, bSeconds ? 0 : TIME_NOSECONDS, NULL,
NULL, szTime, sizeof (szTime));
if (!chars)
return;
--chars;
oldFont = SelectObject(dc, font);
GetTextExtentPoint(dc, szTime, chars, &extent);
SetBkColor(dc, BackgroundColor);
SetTextColor(dc, ShadowColor);
TextOut(dc, (x - extent.cx)/2 + SHADOW_DEPTH, (y - extent.cy)/2 + SHADOW_DEPTH,
szTime, chars);
SetBkMode(dc, TRANSPARENT);
SetTextColor(dc, HandColor);
TextOut(dc, (x - extent.cx)/2, (y - extent.cy)/2, szTime, chars);
SelectObject(dc, oldFont);
}