Sweden-Number/programs/clock/main.c

443 lines
12 KiB
C

/*
* Clock
*
* Copyright 1998 Marcel Baur <mbaur@g26.ethz.ch>
*
* Clock is partially based on
* - Program Manager by Ulrich Schmied
* - rolex.c by Jim Peterson
*
*
* 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 <stdio.h>
#include "windows.h"
#include "commdlg.h"
#include "shellapi.h"
#include "main.h"
#include "winclock.h"
#define INITIAL_WINDOW_SIZE 200
#define TIMER_ID 1
CLOCK_GLOBALS Globals;
static VOID CLOCK_UpdateMenuCheckmarks(VOID)
{
HMENU hPropertiesMenu;
hPropertiesMenu = GetSubMenu(Globals.hMainMenu, 0);
if (!hPropertiesMenu)
return;
if(Globals.bAnalog) {
/* analog clock */
CheckMenuRadioItem(hPropertiesMenu, IDM_ANALOG, IDM_DIGITAL, IDM_ANALOG, MF_CHECKED);
EnableMenuItem(hPropertiesMenu, IDM_FONT, MF_GRAYED);
}
else
{
/* digital clock */
CheckMenuRadioItem(hPropertiesMenu, IDM_ANALOG, IDM_DIGITAL, IDM_DIGITAL, MF_CHECKED);
EnableMenuItem(hPropertiesMenu, IDM_FONT, 0);
}
CheckMenuItem(hPropertiesMenu, IDM_NOTITLE, (Globals.bWithoutTitle ? MF_CHECKED : MF_UNCHECKED));
CheckMenuItem(hPropertiesMenu, IDM_ONTOP, (Globals.bAlwaysOnTop ? MF_CHECKED : MF_UNCHECKED));
CheckMenuItem(hPropertiesMenu, IDM_SECONDS, (Globals.bSeconds ? MF_CHECKED : MF_UNCHECKED));
CheckMenuItem(hPropertiesMenu, IDM_DATE, (Globals.bDate ? MF_CHECKED : MF_UNCHECKED));
}
static VOID CLOCK_UpdateWindowCaption(VOID)
{
WCHAR szCaption[MAX_STRING_LEN];
int chars = 0;
/* Set frame caption */
if (Globals.bDate) {
chars = GetDateFormatW(LOCALE_USER_DEFAULT, DATE_LONGDATE, NULL, NULL,
szCaption, ARRAY_SIZE(szCaption));
if (chars) {
--chars;
szCaption[chars++] = ' ';
szCaption[chars++] = '-';
szCaption[chars++] = ' ';
szCaption[chars] = '\0';
}
}
LoadStringW(0, IDS_CLOCK, szCaption + chars, MAX_STRING_LEN - chars);
SetWindowTextW(Globals.hMainWnd, szCaption);
}
/***********************************************************************
*
* CLOCK_ResetTimer
*/
static BOOL CLOCK_ResetTimer(void)
{
UINT period; /* milliseconds */
KillTimer(Globals.hMainWnd, TIMER_ID);
if (Globals.bSeconds)
if (Globals.bAnalog)
period = 50;
else
period = 500;
else
period = 1000;
if (!SetTimer (Globals.hMainWnd, TIMER_ID, period, NULL)) {
static const WCHAR notimersW[] = {'N','o',' ','a','v','a','i','l','a','b','l','e',' ','t','i','m','e','r','s',0};
WCHAR szApp[MAX_STRING_LEN];
LoadStringW(Globals.hInstance, IDS_CLOCK, szApp, MAX_STRING_LEN);
MessageBoxW(0, notimersW, szApp, MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
return TRUE;
}
/***********************************************************************
*
* CLOCK_ResetFont
*/
static VOID CLOCK_ResetFont(VOID)
{
HFONT newfont;
HDC dc = GetDC(Globals.hMainWnd);
newfont = SizeFont(dc, Globals.MaxX, Globals.MaxY, Globals.bSeconds, &Globals.logfont);
if (newfont) {
DeleteObject(Globals.hFont);
Globals.hFont = newfont;
}
ReleaseDC(Globals.hMainWnd, dc);
}
/***********************************************************************
*
* CLOCK_ChooseFont
*/
static VOID CLOCK_ChooseFont(VOID)
{
LOGFONTW lf;
CHOOSEFONTW cf;
memset(&cf, 0, sizeof(cf));
lf = Globals.logfont;
cf.lStructSize = sizeof(cf);
cf.hwndOwner = Globals.hMainWnd;
cf.lpLogFont = &lf;
cf.Flags = CF_SCREENFONTS | CF_INITTOLOGFONTSTRUCT | CF_NOVERTFONTS;
if (ChooseFontW(&cf)) {
Globals.logfont = lf;
CLOCK_ResetFont();
}
}
/***********************************************************************
*
* CLOCK_ToggleTitle
*/
static VOID CLOCK_ToggleTitle(VOID)
{
/* Also shows/hides the menu */
LONG style = GetWindowLongW(Globals.hMainWnd, GWL_STYLE);
if ((Globals.bWithoutTitle = !Globals.bWithoutTitle)) {
style = (style & ~WS_OVERLAPPEDWINDOW) | WS_POPUP|WS_THICKFRAME;
SetMenu(Globals.hMainWnd, 0);
}
else {
style = (style & ~(WS_POPUP|WS_THICKFRAME)) | WS_OVERLAPPEDWINDOW;
SetMenu(Globals.hMainWnd, Globals.hMainMenu);
SetWindowRgn(Globals.hMainWnd, 0, TRUE);
}
SetWindowLongW(Globals.hMainWnd, GWL_STYLE, style);
SetWindowPos(Globals.hMainWnd, 0,0,0,0,0,
SWP_DRAWFRAME|SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER);
CLOCK_UpdateMenuCheckmarks();
CLOCK_UpdateWindowCaption();
}
/***********************************************************************
*
* CLOCK_ToggleOnTop
*/
static VOID CLOCK_ToggleOnTop(VOID)
{
if ((Globals.bAlwaysOnTop = !Globals.bAlwaysOnTop)) {
SetWindowPos(Globals.hMainWnd, HWND_TOPMOST, 0,0,0,0,
SWP_NOMOVE|SWP_NOSIZE);
}
else {
SetWindowPos(Globals.hMainWnd, HWND_NOTOPMOST, 0,0,0,0,
SWP_NOMOVE|SWP_NOSIZE);
}
CLOCK_UpdateMenuCheckmarks();
}
/***********************************************************************
*
* CLOCK_MenuCommand
*
* All handling of main menu events
*/
static int CLOCK_MenuCommand (WPARAM wParam)
{
WCHAR szApp[MAX_STRING_LEN];
WCHAR szAppRelease[MAX_STRING_LEN];
switch (wParam) {
/* switch to analog */
case IDM_ANALOG: {
Globals.bAnalog = TRUE;
CLOCK_UpdateMenuCheckmarks();
CLOCK_ResetTimer();
InvalidateRect(Globals.hMainWnd, NULL, FALSE);
break;
}
/* switch to digital */
case IDM_DIGITAL: {
Globals.bAnalog = FALSE;
CLOCK_UpdateMenuCheckmarks();
CLOCK_ResetTimer();
CLOCK_ResetFont();
InvalidateRect(Globals.hMainWnd, NULL, FALSE);
break;
}
/* change font */
case IDM_FONT: {
CLOCK_ChooseFont();
break;
}
/* hide title bar */
case IDM_NOTITLE: {
CLOCK_ToggleTitle();
break;
}
/* always on top */
case IDM_ONTOP: {
CLOCK_ToggleOnTop();
break;
}
/* show or hide seconds */
case IDM_SECONDS: {
Globals.bSeconds = !Globals.bSeconds;
CLOCK_UpdateMenuCheckmarks();
CLOCK_ResetTimer();
if (!Globals.bAnalog)
CLOCK_ResetFont();
InvalidateRect(Globals.hMainWnd, NULL, FALSE);
break;
}
/* show or hide date */
case IDM_DATE: {
Globals.bDate = !Globals.bDate;
CLOCK_UpdateMenuCheckmarks();
CLOCK_UpdateWindowCaption();
break;
}
/* show "about" box */
case IDM_ABOUT: {
LoadStringW(Globals.hInstance, IDS_CLOCK, szApp, ARRAY_SIZE(szApp));
lstrcpyW(szAppRelease,szApp);
ShellAboutW(Globals.hMainWnd, szApp, szAppRelease, 0);
break;
}
}
return 0;
}
/***********************************************************************
*
* CLOCK_Paint
*/
static VOID CLOCK_Paint(HWND hWnd)
{
PAINTSTRUCT ps;
HDC dcMem, dc;
HBITMAP bmMem, bmOld;
dc = BeginPaint(hWnd, &ps);
/* Use an offscreen dc to avoid flicker */
dcMem = CreateCompatibleDC(dc);
bmMem = CreateCompatibleBitmap(dc, ps.rcPaint.right - ps.rcPaint.left,
ps.rcPaint.bottom - ps.rcPaint.top);
bmOld = SelectObject(dcMem, bmMem);
SetViewportOrgEx(dcMem, -ps.rcPaint.left, -ps.rcPaint.top, NULL);
/* Erase the background */
FillRect(dcMem, &ps.rcPaint, GetSysColorBrush(COLOR_3DFACE));
if(Globals.bAnalog)
AnalogClock(dcMem, Globals.MaxX, Globals.MaxY, Globals.bSeconds, Globals.bWithoutTitle);
else
DigitalClock(dcMem, Globals.MaxX, Globals.MaxY, Globals.bSeconds, Globals.hFont);
/* Blit the changes to the screen */
BitBlt(dc,
ps.rcPaint.left, ps.rcPaint.top,
ps.rcPaint.right - ps.rcPaint.left, ps.rcPaint.bottom - ps.rcPaint.top,
dcMem,
ps.rcPaint.left, ps.rcPaint.top,
SRCCOPY);
SelectObject(dcMem, bmOld);
DeleteObject(bmMem);
DeleteDC(dcMem);
EndPaint(hWnd, &ps);
}
/***********************************************************************
*
* CLOCK_WndProc
*/
static LRESULT WINAPI CLOCK_WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
/* L button drag moves the window */
case WM_NCHITTEST: {
LRESULT ret = DefWindowProcW(hWnd, msg, wParam, lParam);
if (ret == HTCLIENT)
ret = HTCAPTION;
return ret;
}
case WM_NCLBUTTONDBLCLK:
case WM_LBUTTONDBLCLK: {
CLOCK_ToggleTitle();
break;
}
case WM_PAINT: {
CLOCK_Paint(hWnd);
break;
}
case WM_SIZE: {
Globals.MaxX = LOWORD(lParam);
Globals.MaxY = HIWORD(lParam);
if (Globals.bAnalog && Globals.bWithoutTitle)
{
RECT rect;
INT diameter = min( Globals.MaxX, Globals.MaxY );
HRGN hrgn = CreateEllipticRgn( (Globals.MaxX - diameter) / 2,
(Globals.MaxY - diameter) / 2,
(Globals.MaxX + diameter) / 2,
(Globals.MaxY + diameter) / 2 );
GetWindowRect( hWnd, &rect );
MapWindowPoints( 0, hWnd, (LPPOINT)&rect, 2 );
OffsetRgn( hrgn, -rect.left, -rect.top );
SetWindowRgn( Globals.hMainWnd, hrgn, TRUE );
}
CLOCK_ResetFont();
break;
}
case WM_COMMAND: {
CLOCK_MenuCommand(wParam);
break;
}
case WM_TIMER: {
/* Could just invalidate what has changed,
* but it doesn't really seem worth the effort
*/
InvalidateRect(Globals.hMainWnd, NULL, FALSE);
break;
}
case WM_DESTROY: {
PostQuitMessage (0);
break;
}
default:
return DefWindowProcW(hWnd, msg, wParam, lParam);
}
return 0;
}
/***********************************************************************
*
* WinMain
*/
int PASCAL WinMain (HINSTANCE hInstance, HINSTANCE prev, LPSTR cmdline, int show)
{
MSG msg;
WNDCLASSW class;
static const WCHAR szClassName[] = {'C','L','C','l','a','s','s',0};
static const WCHAR szWinName[] = {'C','l','o','c','k',0};
/* Setup Globals */
memset(&Globals.hFont, 0, sizeof (Globals.hFont));
Globals.bAnalog = TRUE;
Globals.bSeconds = TRUE;
if (!prev){
class.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
class.lpfnWndProc = CLOCK_WndProc;
class.cbClsExtra = 0;
class.cbWndExtra = 0;
class.hInstance = hInstance;
class.hIcon = LoadIconW(0, (LPCWSTR)IDI_APPLICATION);
class.hCursor = LoadCursorW(0, (LPCWSTR)IDC_ARROW);
class.hbrBackground = 0;
class.lpszMenuName = 0;
class.lpszClassName = szClassName;
}
if (!RegisterClassW(&class)) return FALSE;
Globals.MaxX = Globals.MaxY = INITIAL_WINDOW_SIZE;
Globals.hMainWnd = CreateWindowW(szClassName, szWinName, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, CW_USEDEFAULT,
Globals.MaxX, Globals.MaxY, 0,
0, hInstance, 0);
if (!CLOCK_ResetTimer())
return FALSE;
Globals.hMainMenu = LoadMenuW(0, MAKEINTRESOURCEW(MAIN_MENU));
SetMenu(Globals.hMainWnd, Globals.hMainMenu);
CLOCK_UpdateMenuCheckmarks();
CLOCK_UpdateWindowCaption();
ShowWindow (Globals.hMainWnd, show);
UpdateWindow (Globals.hMainWnd);
while (GetMessageW(&msg, 0, 0, 0)) {
TranslateMessage(&msg);
DispatchMessageW(&msg);
}
KillTimer(Globals.hMainWnd, TIMER_ID);
DeleteObject(Globals.hFont);
return 0;
}