window.h

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/* window.h
 *
 * This file include definitions of Window Management module.
 *
 *             MiniGUI for Linux Version 0.3.xx
 *             Copyright (c) 1999, 2000 Wei Yongming.
 *             Last modified date: 2000/06/18
 */

/*
**  This library is free software; you can redistribute it and/or
**  modify it under the terms of the GNU Library General Public
**  License as published by the Free Software Foundation; either
**  version 2 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
**  Library General Public License for more details.
**
**  You should have received a copy of the GNU Library General Public
**  License along with this library; if not, write to the Free
**  Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
**  MA 02111-1307, USA
*/

#ifndef GUI_WINDOW_H
    #define GUI_WINDOW_H

#include <pthread.h>
#include <semaphore.h>

#ifdef __cplusplus
extern "C" {
#endif  /* __cplusplus */

typedef int (* WNDPROC)(HWND, int, WPARAM, LPARAM);
typedef int (* KEYMSGHOOK)(HWND, int, WPARAM, LPARAM);
typedef int (* MOUSEMSGHOOK)(HWND, int, WPARAM, LPARAM);

/******************************** Message support ****************************/
// definitions of common messages.
#define MSG_SYNCMSG         0x0000
#define MSG_NULLMSG         0x0000

    // Group 1 from 0x0001 to 0x000F, the mouse messages.
#define MSG_FIRSTMOUSEMSG   0x0001

#define MSG_LBUTTONDOWN     0x0001
#define MSG_LBUTTONUP       0x0002
#define MSG_LBUTTONDBLCLK   0x0003
#define MSG_MOUSEMOVE       0x0004
#define MSG_RBUTTONDOWN     0x0005
#define MSG_RBUTTONUP       0x0006
#define MSG_RBUTTONDBLCLK   0x0007
#define MSG_NCMOUSEOFF      0x0007
#define MSG_NCLBUTTONDOWN   0x0008
#define MSG_NCLBUTTONUP     0x0009
#define MSG_NCLBUTTONDBLCLK 0x000A
#define MSG_NCMOUSEMOVE     0x000B
#define MSG_NCRBUTTONDOWN   0x000C
#define MSG_NCRBUTTONUP     0x000D
#define MSG_NCRBUTTONDBLCLK 0x000E

#define MSG_LASTMOUSEMSG    0x000F

    // Group 2 from 0x0010 to 0x001F, the key messages.
#define MSG_FIRSTKEYMSG     0x0010

#define MSG_KEYDOWN         0x0010
#define MSG_CHAR            0x0011
#define MSG_KEYUP           0x0012
#define MSG_SYSKEYDOWN      0x0013
#define MSG_SYSCHAR         0x0014
#define MSG_SYSKEYUP        0x0015

#define MSG_LASTKEYMSG      0x001F

    // Group 3 from 0x0020 to 0x005F, the post-mousekey messages.
#define MSG_FIRSTPOSTMSG    0x0020

#define MSG_SETCURSOR       0x0020

    #define HT_UNKNOWN          0x00
    #define HT_OUT              0x01
    #define HT_MENUBAR          0x02
    #define HT_TRANSPARENT      0x03
    #define HT_BORDER_TOP       0x04
    #define HT_BORDER_BOTTOM    0x05
    #define HT_BORDER_LEFT      0x06
    #define HT_BORDER_RIGHT     0x07
    #define HT_CORNER_TL        0x08
    #define HT_CORNER_TR        0x09
    #define HT_CORNER_BL        0x0A
    #define HT_CORNER_BR        0x0B
    #define HT_CLIENT           0x0C
    
    #define SBPOS_LEFTARROW     0x81
    #define SBPOS_RIGHTARROW    0x82
    #define SBPOS_LEFTSPACE     0x83
    #define SBPOS_RIGHTSPACE    0x84
    #define SBPOS_UPARROW       0x85
    #define SBPOS_DOWNARROW     0x86
    #define SBPOS_UPSPACE       0x87
    #define SBPOS_DOWNSPACE     0x88
    #define SBPOS_THUMB         0x89
    #define SBPOS_UNKNOWN       0x80
    #define SBPOS_MASK          0x80

    #define HT_BORDER           0x11
    #define HT_NCLIENT          0x12
    #define HT_CAPTION          0x13
    #define HT_ICON             0x14
    #define HT_CLOSEBUTTON      0x15
    #define HT_MAXBUTTON        0x16
    #define HT_MINBUTTON        0x17
    #define HT_HSCROLL          0x18
    #define HT_VSCROLL          0x19

    #define HT_NEEDCAPTURE      0x10

#define MSG_NCHITTEST       0x0021      // this is an async message.
#define MSG_HITTEST         MSG_NCHITTEST
#define MSG_CHANGESIZE      0x0022
#define MSG_QUERYNCRECT     0x0023
#define MSG_QUERYCLIENTAREA 0x0024
#define MSG_SIZECHANGING    0x0025
#define MSG_SIZECHANGED     0x0026

#define MSG_SETFOCUS        0x0030
#define MSG_KILLFOCUS       0x0031
#define MSG_MOUSEACTIVE     0x0032
#define MSG_ACTIVE          0x0033

#define MSG_ACTIVEMENU      0x0040
#define MSG_DEACTIVEMENU    0x0041

    // Scroll bar notifying code
    #define SB_LINEUP           0x01
    #define SB_LINEDOWN         0x02
    #define SB_LINELEFT         0x03
    #define SB_LINERIGHT        0x04
    #define SB_PAGEUP           0x05
    #define SB_PAGEDOWN         0x06
    #define SB_PAGELEFT         0x07
    #define SB_PAGERIGHT        0x08
    #define SB_THUMBPOSITION    0x09
    #define SB_THUMBTRACK       0x0A
    #define SB_ENDSCROLL        0x0B
    
#define MSG_HSCROLL         0x0042
#define MSG_VSCROLL         0x0043

#define MSG_NCSETCURSOR     0x0044

#define MSG_MOUSEMOVEIN     0x0050

#define MSG_LASTPOSTMSG     0x005F

    // Group 4 from 0x0060 to 0x009F, the creation messages.
#define MSG_FIRSTCREATEMSG  0x0060

#define MSG_CREATE          0x0060
#define MSG_NCCREATE        0x0061
#define MSG_INITPANES       0x0062
#define MSG_DESTROYPANES    0x0063
#define MSG_DESTROY         0x0064
#define MSG_NCDESTROY       0x0065
#define MSG_CLOSE           0x0066
#define MSG_NCCALCSIZE      0x0067

#define MSG_LASTCREATEMSG   0x009F

    // Group 5 from 0x00A0 to 0x00CF, the paint messages.
#define MSG_FIRSTPAINTMSG   0x00A0

#define MSG_SHOWWINDOW      0x00A0 
#define MSG_ERASEBKGND      0x00B0      // this is an async message.
#define MSG_PAINT           0x00B1
#define MSG_NCPAINT         0x00B2
#define MSG_NCACTIVATE      0x00B3
#define MSG_SYNCPAINT       0x00B4

#define MSG_ENABLE          0x00C0

#define MSG_LASTPAINTMSG    0x00CF

    // Group 6 from 0x00D0 to 0x00EF, the desktop messages.
#define MSG_FIRSTSESSIONMSG 0x00D0

#define MSG_STARTSESSION    0x00D0
#define MSG_QUERYENDSESSION 0x00D1
#define MSG_ENDSESSION      0x00D2
#define MSG_REINITSESSION   0x00D3

#define MSG_ERASEDESKTOP    0x00E0
#define MSG_PAINTDESKTOP    0x00E1

#define MSG_DT_MOUSEOFF     0x00E1
#define MSG_DT_LBUTTONDOWN  0x00E2
#define MSG_DT_LBUTTONUP    0x00E3
#define MSG_DT_LBUTTONDBLCLK    0x00E4
#define MSG_DT_MOUSEMOVE    0x00E5
#define MSG_DT_RBUTTONDOWN  0x00E6
#define MSG_DT_RBUTTONUP    0x00E7
#define MSG_DT_RBUTTONDBLCLK    0x00E8

#define MSG_DT_KEYOFF       0x00DA 
#define MSG_DT_KEYDOWN      0x00EA
#define MSG_DT_CHAR         0x00EB
#define MSG_DT_KEYUP        0x00EC
#define MSG_DT_SYSKEYDOWN   0x00ED
#define MSG_DT_SYSCHAR      0x00EE
#define MSG_DT_SYSKEYUP     0x00EF

#define MSG_LASTSESSIONMSG  0x00EF

    // Group 7 from 0x00F0 to 0x010F, the window messages.
#define MSG_FIRSTWINDOWMSG  0x00F0

#define MSG_ADDNEWMAINWIN   0x00F0
#define MSG_REMOVEMAINWIN   0x00F1
#define MSG_MOVETOTOPMOST   0x00F2 
#define MSG_SETACTIVEMAIN   0x00F3
#define MSG_GETACTIVEMAIN   0x00F4
#define MSG_SHOWMAINWIN     0x00F5
#define MSG_HIDEMAINWIN     0x00F6
#define MSG_MOVEMAINWIN     0x00F7
#define MSG_SETCAPTURE      0x00F8
#define MSG_GETCAPTURE      0x00F9

#define MSG_ENDTRACKMENU    0x00FA
#define MSG_TRACKPOPUPMENU  0x00FB
#define MSG_CLOSEMENU       0x00FC
#define MSG_SCROLLMAINWIN   0x00FD
#define MSG_CARET_CREATE    0x00FE
#define MSG_CARET_DESTROY   0x00FF

#define MSG_ENABLEMAINWIN   0x0100
#define MSG_ISENABLED       0x0101

#define MSG_SETWINCURSOR    0x0102

#define MSG_SHOWGLOBALCTRL  0x010A
#define MSG_HIDEGLOBALCTRL  0x010B

#define MSG_LASTWINDOWMSG   0x010F

    // Group 8 from 0x0120 to 0x013F, the dialog and control messages.
#define MSG_FIRSTCONTROLMSG 0x0120

#define MSG_COMMAND         0x0120
#define MSG_SYSCOMMAND      0x0121

#define MSG_GETDLGCODE      0x0122
#define MSG_INITDIALOG      0x0123
#define MSG_NEXTDLGCTRL     0x0124
#define MSG_ENTERIDLE       0x0125
#define MSG_DLG_GETDEFID    0x0126
#define MSG_DLG_SETDEFID    0x0127
#define MSG_DLG_REPOSITION  0x0128

#define MSG_GETFONT         0x0130
#define MSG_SETFONT         0x0131

#define MSG_GETTEXTLENGTH   0x0132
#define MSG_GETTEXT         0x0133
#define MSG_SETTEXT         0x0134

#define MSG_LASTCONTROLMSG  0x013F

    // Group 9 from 0x0140 to 0x016F, the system messages.
#define MSG_FIRSTSYSTEMMSG  0x0140

#define MSG_QUIT            0x0140
#define MSG_IDLE            0x0142
#define MSG_TIMEOUT         0x0143
#define MSG_TIMER           0x0144
#define MSG_CARETBLINK      0x0145

#define MSG_IME_REGISTER    0x0151
#define MSG_IME_UNREGISTER  0x0152
#define MSG_IME_OPEN        0x0153
#define MSG_IME_CLOSE       0x0154
#define MSG_IME_SETSTATUS   0x0156
#define MSG_IME_GETSTATUS   0x0157
    #define IS_ENABLE       1
    #define IS_FULLCHAR     2
    #define IS_FULLPUNC     3
    #define IS_METHOD       4
#define MSG_IME_SETTARGET   0x0158
#define MSG_IME_GETTARGET   0x0159

#define MSG_SHOWMENU        0x0160
#define MSG_HIDEMENU        0x0161

#define MSG_ADDTIMER        0x0162
#define MSG_REMOVETIMER     0x0163
#define MSG_RESETTIMER      0x0164

#define MSG_WINDOWCHANGED   0x0165

#define MSG_BROADCASTMSG    0x0166

#define MSG_REGISTERWNDCLASS    0x0167
#define MSG_UNREGISTERWNDCLASS  0x0168
#define MSG_NEWCTRLINSTANCE     0x0169
#define MSG_REMOVECTRLINSTANCE  0x016A
#define MSG_GETCTRLCLASSINFO    0x016B
#define MSG_CTRLCLASSDATAOP     0x016C
    #define CCDOP_GETCCI        0x01
    #define CCDOP_SETCCI        0x02

#define MSG_REGISTERKEYHOOK     0x016D
#define MSG_REGISTERMOUSEHOOK   0x016E
#define MSG_UNREGISTERHOOK      0x016F

#define MSG_LASTSYSTEMMSG   0x016F

    // Group 10 from 0x0170 to 0x018F, the menu messages
#define MSG_FIRSTMENUMSG    0x0170

#define MSG_INITMENU        0x0170
#define MSG_INITMENUPOPUP   0x0171
#define MSG_MENUSELECT      0x0172
#define MSG_MENUCHAR        0x0173
#define MSG_ENTERMENULOOP   0x0174
#define MSG_EXITMENULOOP    0x0175
#define MSG_CONTEXTMENU     0x0176
#define MSG_NEXTMENU        0x0177

#define MSG_LASTMENUMSG     0x018F

#define MSG_FIRSTUSERMSG    0x0800

#define MSG_USER            0x0800

#define MSG_LASTUSERMSG     0xEFFF

typedef struct _MSG
{
    HWND             hwnd;
    int              message;
    WPARAM           wParam;
    LPARAM           lParam;
    struct timeval   time;
    POINT            pt;
    void*            pAdd;
}MSG;
typedef MSG* PMSG;

#define QS_NOTIFYMSG        0x00000100
#define QS_SYNCMSG          0x00000200
#define QS_POSTMSG          0x00000400
#define QS_QUIT             0x00000800
#define QS_INPUT            0x00001000
#define QS_PAINT            0x00002000
#define QS_TIMER            0x000000FF
#define QS_EMPTY            0x00000000

int GUIAPI GetMessage (PMSG pMsg, HWND hMainWnd);
BOOL GUIAPI HavePendingMessage (HWND hMainWnd);

#define PM_NOREMOVE     0x0000
#define PM_REMOVE       0x0001
#define PM_NOYIELD      0x0002
BOOL GUIAPI PeekPostMessage (PMSG pMsg, HWND hWnd, int iMsgFilterMin, 
                        int iMsgFilterMax, UINT uRemoveMsg);
                        
int GUIAPI PostMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);
int GUIAPI SendMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);
int GUIAPI PostSyncMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);
int GUIAPI SendAsyncMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);
int GUIAPI SendNotifyMessage (HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);

int GUIAPI BroadcastMessage (int iMsg, WPARAM wParam, LPARAM lParam);
int GUIAPI PostQuitMessage (HWND hWnd);
int GUIAPI TranslateMessage (PMSG pMsg);
int GUIAPI DispatchMessage (PMSG pMsg);

int GUIAPI ThrowAwayMessages (HWND pMainWnd);

int GUIAPI TranslateAccelerator (HWND hWnd, HACCEL hAccel, PMSG pMsg);

#ifdef _MSG_STRING
const char* GUIAPI Message2Str (int message);
void GUIAPI PrintMessage (FILE* fp, HWND hWnd, int iMsg, WPARAM wParam, LPARAM lParam);
#endif

/******************************* Hooks support *******************************/