1019 lines
25 KiB
C
1019 lines
25 KiB
C
/* File: button.c -- Button type widgets
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*
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* Copyright (C) 1993 Johannes Ruscheinski
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* Copyright (C) 1993 David Metcalfe
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*/
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static char Copyright1[] = "Copyright Johannes Ruscheinski, 1993";
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static char Copyright2[] = "Copyright David Metcalfe, 1993";
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#include <windows.h>
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#include "win.h"
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#include "user.h"
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#include "syscolor.h"
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LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam);
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static BOOL pressed;
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#define NOTIFY_PARENT(hWndCntrl, wNotifyCode) \
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SendMessage(GetParent(hWndCntrl), WM_COMMAND, \
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GetDlgCtrlID(hWndCntrl), MAKELPARAM(hWndCntrl, wNotifyCode));
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#define DIM(array) ((sizeof array)/(sizeof array[0]))
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static LONG PB_Paint(HWND hWnd);
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static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
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static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
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static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
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static LONG PB_KillFocus(HWND hwnd);
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static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc);
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static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc);
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static LONG CB_Paint(HWND hWnd);
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static LONG CB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
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static LONG CB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
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static LONG CB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
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static LONG CB_KillFocus(HWND hWnd);
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static LONG CB_SetCheck(HWND hWnd, WORD wParam);
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static LONG CB_GetCheck(HWND hWnd);
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static LONG RB_Paint(HWND hWnd);
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static LONG RB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
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static LONG RB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
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static LONG RB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam);
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static LONG RB_KillFocus(HWND hWnd);
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static LONG RB_SetCheck(HWND hWnd, WORD wParam);
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static LONG RB_GetCheck(HWND hWnd);
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static LONG GB_Paint(HWND hWnd);
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static LONG UB_Paint(HWND hWnd);
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static LONG UB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
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static LONG UB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
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static LONG UB_KillFocus(HWND hWnd);
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static LONG OB_Paint(HWND hWnd);
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static LONG OB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam);
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static LONG OB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam);
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static LONG OB_KillFocus(HWND hWnd);
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typedef struct
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{
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LONG (*paintfn)();
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LONG (*lButtonDownfn)();
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LONG (*lButtonUpfn)();
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LONG (*lButtonDblClkfn)();
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LONG (*killFocusfn)();
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LONG (*setCheckfn)();
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LONG (*getCheckfn)();
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} BTNFN;
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#define MAX_BTN_TYPE 12
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static BTNFN btnfn[MAX_BTN_TYPE] =
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{
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{
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(LONG(*)())PB_Paint, /* BS_PUSHBUTTON */
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(LONG(*)())PB_LButtonDown,
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(LONG(*)())PB_LButtonUp,
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(LONG(*)())PB_LButtonDblClk,
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(LONG(*)())PB_KillFocus,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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{
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(LONG(*)())PB_Paint, /* BS_DEFPUSHBUTTON */
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(LONG(*)())PB_LButtonDown,
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(LONG(*)())PB_LButtonUp,
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(LONG(*)())PB_LButtonDblClk,
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(LONG(*)())PB_KillFocus,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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{
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(LONG(*)())CB_Paint, /* BS_CHECKBOX */
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(LONG(*)())CB_LButtonDown,
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(LONG(*)())CB_LButtonUp,
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(LONG(*)())CB_LButtonDblClk,
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(LONG(*)())CB_KillFocus,
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(LONG(*)())CB_SetCheck,
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(LONG(*)())CB_GetCheck
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},
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{
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(LONG(*)())CB_Paint, /* BS_AUTOCHECKBOX */
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(LONG(*)())CB_LButtonDown,
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(LONG(*)())CB_LButtonUp,
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(LONG(*)())CB_LButtonDblClk,
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(LONG(*)())CB_KillFocus,
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(LONG(*)())CB_SetCheck,
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(LONG(*)())CB_GetCheck
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},
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{
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(LONG(*)())RB_Paint, /* BS_RADIOBUTTON */
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(LONG(*)())RB_LButtonDown,
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(LONG(*)())RB_LButtonUp,
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(LONG(*)())RB_LButtonDblClk,
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(LONG(*)())RB_KillFocus,
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(LONG(*)())RB_SetCheck,
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(LONG(*)())RB_GetCheck
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},
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{
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(LONG(*)())CB_Paint, /* BS_3STATE */
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(LONG(*)())CB_LButtonDown,
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(LONG(*)())CB_LButtonUp,
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(LONG(*)())CB_LButtonDblClk,
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(LONG(*)())CB_KillFocus,
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(LONG(*)())CB_SetCheck,
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(LONG(*)())CB_GetCheck
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},
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{
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(LONG(*)())CB_Paint, /* BS_AUTO3STATE */
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(LONG(*)())CB_LButtonDown,
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(LONG(*)())CB_LButtonUp,
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(LONG(*)())CB_LButtonDblClk,
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(LONG(*)())CB_KillFocus,
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(LONG(*)())CB_SetCheck,
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(LONG(*)())CB_GetCheck
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},
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{
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(LONG(*)())GB_Paint, /* BS_GROUPBOX */
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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{
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(LONG(*)())UB_Paint, /* BS_USERBUTTON */
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(LONG(*)())UB_LButtonDown,
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(LONG(*)())UB_LButtonUp,
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(LONG(*)())NULL,
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(LONG(*)())UB_KillFocus,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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{
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(LONG(*)())RB_Paint, /* BS_AUTORADIOBUTTON */
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(LONG(*)())RB_LButtonDown,
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(LONG(*)())RB_LButtonUp,
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(LONG(*)())RB_LButtonDblClk,
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(LONG(*)())RB_KillFocus,
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(LONG(*)())RB_SetCheck,
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(LONG(*)())RB_GetCheck
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},
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{
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(LONG(*)())NULL, /* Not defined */
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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{
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(LONG(*)())OB_Paint, /* BS_OWNERDRAW */
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(LONG(*)())OB_LButtonDown,
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(LONG(*)())OB_LButtonUp,
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(LONG(*)())NULL,
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(LONG(*)())OB_KillFocus,
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(LONG(*)())NULL,
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(LONG(*)())NULL
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},
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};
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LONG ButtonWndProc(HWND hWnd, WORD uMsg, WORD wParam, LONG lParam)
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{
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LONG lResult = 0;
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HDC hDC;
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RECT rc;
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WND *wndPtr = WIN_FindWndPtr(hWnd);
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LONG style = wndPtr->dwStyle & 0x0000000F;
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switch (uMsg) {
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/* case WM_GETDLGCODE:
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lResult = DLGC_BUTTON;
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break;
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*/
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case WM_ENABLE:
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InvalidateRect(hWnd, NULL, FALSE);
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break;
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case WM_CREATE:
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if (style < 0L || style >= (LONG)DIM(btnfn))
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lResult = -1L;
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else
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{
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(WORD)(*(wndPtr->wExtra)) = 0;
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pressed = FALSE;
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lResult = 0L;
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}
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break;
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case WM_PAINT:
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if (btnfn[style].paintfn)
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(btnfn[style].paintfn)(hWnd);
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break;
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case WM_LBUTTONDOWN:
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if (btnfn[style].lButtonDownfn)
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(btnfn[style].lButtonDownfn)(hWnd, wParam, lParam);
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break;
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case WM_LBUTTONUP:
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if (btnfn[style].lButtonUpfn)
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(btnfn[style].lButtonUpfn)(hWnd, wParam, lParam);
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break;
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case WM_LBUTTONDBLCLK:
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if (btnfn[style].lButtonDblClkfn)
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(btnfn[style].lButtonDblClkfn)(hWnd, wParam, lParam);
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break;
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case WM_SETFOCUS:
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break;
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case WM_KILLFOCUS:
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if (btnfn[style].killFocusfn)
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(btnfn[style].killFocusfn)(hWnd);
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break;
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case WM_SYSCOLORCHANGE:
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InvalidateRect(hWnd, NULL, TRUE);
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break;
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case BM_SETCHECK:
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if (btnfn[style].setCheckfn)
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(btnfn[style].setCheckfn)(hWnd, wParam);
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break;
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case BM_GETCHECK:
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if (btnfn[style].getCheckfn)
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return (btnfn[style].getCheckfn)(hWnd);
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break;
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default:
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lResult = DefWindowProc(hWnd, uMsg, wParam, lParam);
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break;
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}
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return lResult;
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}
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/**********************************************************************
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* Push Button Functions
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*/
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static LONG PB_Paint(HWND hWnd)
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{
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PAINTSTRUCT ps;
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RECT rc;
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HDC hDC;
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hDC = BeginPaint(hWnd, &ps);
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GetClientRect(hWnd, &rc);
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if (pressed)
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DrawPressedPushButton(hDC, hWnd, rc);
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else
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DrawRaisedPushButton(hDC, hWnd, rc);
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EndPaint(hWnd, &ps);
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}
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static LONG PB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
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{
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SetFocus(hWnd);
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SetCapture(hWnd);
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pressed = TRUE;
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InvalidateRect(hWnd, NULL, FALSE);
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UpdateWindow(hWnd);
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}
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static LONG PB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
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{
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RECT rc;
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pressed = FALSE;
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ReleaseCapture();
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GetClientRect(hWnd, &rc);
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if (PtInRect(&rc, MAKEPOINT(lParam)))
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NOTIFY_PARENT(hWnd, BN_CLICKED);
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InvalidateRect(hWnd, NULL, FALSE);
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UpdateWindow(hWnd);
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}
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static LONG PB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
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{
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RECT rc;
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GetClientRect(hWnd, &rc);
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if (PtInRect(&rc, MAKEPOINT(lParam)))
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NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
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}
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static LONG PB_KillFocus(HWND hWnd)
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{
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pressed = FALSE;
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InvalidateRect(hWnd, NULL, FALSE);
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UpdateWindow(hWnd);
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}
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static void DrawRaisedPushButton(HDC hDC, HWND hButton, RECT rc)
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{
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HPEN hOldPen;
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HBRUSH hOldBrush;
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HRGN rgn1, rgn2, rgn;
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int len;
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static char text[50+1];
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POINT points[6];
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DWORD dwTextSize;
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int delta;
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TEXTMETRIC tm;
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hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowFrame);
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hOldBrush = (HBRUSH)SelectObject(hDC, sysColorObjects.hbrushBtnFace);
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SetBkMode(hDC, TRANSPARENT);
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rgn = CreateRectRgn(0, 0, 0, 0);
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rgn1 = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
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SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
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MAKELPARAM(hButton, CTLCOLOR_BTN));
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Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
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/* draw button label, if any: */
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len = GetWindowText(hButton, text, sizeof text);
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if (len >= 1) {
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rc.left--; rc.bottom--;
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DrawText(hDC, text, len, &rc,
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DT_SINGLELINE | DT_CENTER| DT_VCENTER);
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}
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/* draw button highlight */
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points[0].x = rc.left+2;
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points[0].y = rc.bottom;
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points[1].x = rc.left+4;
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points[1].y = rc.bottom-2;
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points[2].x = rc.left+4;
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points[2].y = rc.top+3;
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points[3].x = rc.right-3;
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points[3].y = rc.top+3;
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points[4].x = rc.right-1;
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points[4].y = rc.top+1;
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points[5].x = rc.left+2;
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points[5].y = rc.top+1;
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rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
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CombineRgn(rgn, rgn1, rgn2, RGN_AND);
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FillRgn(hDC, rgn2, sysColorObjects.hbrushBtnHighlight);
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/* draw button shadow: */
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points[0].x = rc.left+2;
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points[0].y = rc.bottom;
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points[1].x = rc.left+4;
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points[1].y = rc.bottom-2;
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points[2].x = rc.right-3;
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points[2].y = rc.bottom-2;
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points[3].x = rc.right-3;
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points[3].y = rc.top+3;
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points[4].x = rc.right-1;
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points[4].y = rc.top;
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points[5].x = rc.right-1;
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points[5].y = rc.bottom;
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rgn2 = CreatePolygonRgn(points, DIM(points), ALTERNATE);
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CombineRgn(rgn, rgn1, rgn2, RGN_AND);
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FillRgn(hDC, rgn2, sysColorObjects.hbrushBtnShadow);
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/* do we have the focus? */
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if (len >= 1 && GetFocus() == hButton) {
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dwTextSize = GetTextExtent(hDC, text, len);
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delta = ((rc.right - rc.left) - LOWORD(dwTextSize) - 1) >> 1;
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rc.left += delta; rc.right -= delta;
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GetTextMetrics(hDC, &tm);
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delta = ((rc.bottom - rc.top) - tm.tmHeight - 1) >> 1;
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rc.top += delta; rc.bottom -= delta;
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DrawFocusRect(hDC, &rc);
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}
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SelectObject(hDC, (HANDLE)hOldPen);
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SelectObject(hDC, (HANDLE)hOldBrush);
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DeleteObject((HANDLE)rgn1);
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DeleteObject((HANDLE)rgn2);
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DeleteObject((HANDLE)rgn);
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}
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static void DrawPressedPushButton(HDC hDC, HWND hButton, RECT rc)
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{
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HPEN hOldPen;
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HBRUSH hOldBrush;
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int len;
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static char text[50+1];
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DWORD dwTextSize;
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int delta;
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TEXTMETRIC tm;
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hOldBrush = (HBRUSH)SelectObject(hDC, sysColorObjects.hbrushBtnFace);
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hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowFrame);
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SetBkMode(hDC, TRANSPARENT);
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/* give parent a chance to alter parameters: */
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SendMessage(GetParent(hButton), WM_CTLCOLOR, (WORD)hDC,
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MAKELPARAM(hButton, CTLCOLOR_BTN));
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Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
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/* draw button shadow: */
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SelectObject(hDC, sysColorObjects.hbrushBtnShadow );
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PatBlt(hDC, rc.left+1, rc.top+1, 1, rc.bottom-rc.top-2, PATCOPY );
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PatBlt(hDC, rc.left+1, rc.top+1, rc.right-rc.left-2, 1, PATCOPY );
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/* draw button label, if any: */
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len = GetWindowText(hButton, text, sizeof text);
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if (len >= 1) {
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rc.top++; rc.left++;
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DrawText(hDC, text, len, &rc,
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DT_SINGLELINE | DT_CENTER| DT_VCENTER);
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}
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/* do we have the focus? */
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if (len >= 1 && GetFocus() == hButton) {
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dwTextSize = GetTextExtent(hDC, text, len);
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delta = ((rc.right - rc.left) - LOWORD(dwTextSize) - 1) >> 1;
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rc.left += delta; rc.right -= delta;
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GetTextMetrics(hDC, &tm);
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delta = ((rc.bottom - rc.top) - tm.tmHeight - 1) >> 1;
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rc.top += delta; rc.bottom -= delta;
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DrawFocusRect(hDC, &rc);
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}
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SelectObject(hDC, (HANDLE)hOldPen);
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SelectObject(hDC, (HANDLE)hOldBrush);
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}
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/**********************************************************************
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* Check Box Functions
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*/
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static LONG CB_Paint(HWND hWnd)
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{
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PAINTSTRUCT ps;
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RECT rc, rc3;
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HDC hDC;
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HPEN hOldPen;
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HBRUSH hBrush, hGrayBrush;
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int textlen, delta;
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char *text;
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HANDLE hText;
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TEXTMETRIC tm;
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SIZE size;
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WND *wndPtr = WIN_FindWndPtr(hWnd);
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hDC = BeginPaint(hWnd, &ps);
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GetClientRect(hWnd, &rc);
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hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
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hGrayBrush = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
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hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
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MAKELPARAM(hWnd, CTLCOLOR_BTN));
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FillRect(hDC, &rc, hBrush);
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textlen = GetWindowTextLength(hWnd);
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hText = USER_HEAP_ALLOC(0, textlen+1);
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text = USER_HEAP_ADDR(hText);
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GetWindowText(hWnd, text, textlen+1);
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GetTextMetrics(hDC, &tm);
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delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
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Rectangle(hDC, 0, rc.top + delta, tm.tmHeight, tm.tmHeight + delta);
|
|
if (pressed)
|
|
Rectangle(hDC, 1, rc.top + delta + 1, tm.tmHeight - 1,
|
|
tm.tmHeight + delta - 1);
|
|
|
|
switch ((WORD)(*(wndPtr->wExtra)))
|
|
{
|
|
case 1:
|
|
MoveTo(hDC, 0, rc.top + delta);
|
|
LineTo(hDC, tm.tmHeight - 1, tm.tmHeight + delta - 1);
|
|
MoveTo(hDC, 0, tm.tmHeight + delta - 1);
|
|
LineTo(hDC, tm.tmHeight - 1, rc.top + delta);
|
|
break;
|
|
|
|
case 2:
|
|
rc3.left = 1;
|
|
rc3.top = rc.top + delta + 1;
|
|
rc3.right = tm.tmHeight - 1;
|
|
rc3.bottom = tm.tmHeight + delta - 1;
|
|
FillRect(hDC, &rc3, hGrayBrush);
|
|
break;
|
|
}
|
|
|
|
rc.left = tm.tmHeight + tm.tmAveCharWidth / 2;
|
|
DrawText(hDC, text, textlen, &rc, DT_SINGLELINE | DT_VCENTER);
|
|
|
|
/* do we have the focus? */
|
|
if (GetFocus() == hWnd)
|
|
{
|
|
GetTextExtentPoint(hDC, text, textlen, &size);
|
|
rc.top += delta - 1;
|
|
rc.bottom -= delta + 1;
|
|
rc.left--;
|
|
rc.right = rc.left + size.cx + 2;
|
|
DrawFocusRect(hDC, &rc);
|
|
}
|
|
|
|
SelectObject(hDC, hOldPen);
|
|
USER_HEAP_FREE(hText);
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
static LONG CB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
{
|
|
SetFocus(hWnd);
|
|
SetCapture(hWnd);
|
|
pressed = TRUE;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
}
|
|
|
|
static LONG CB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
LONG style;
|
|
|
|
pressed = FALSE;
|
|
ReleaseCapture();
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
{
|
|
style = wndPtr->dwStyle & 0x0000000F;
|
|
if (style == BS_AUTOCHECKBOX)
|
|
{
|
|
switch ((WORD)(*(wndPtr->wExtra)))
|
|
{
|
|
case 0:
|
|
(WORD)(*(wndPtr->wExtra)) = 1;
|
|
break;
|
|
|
|
case 1:
|
|
(WORD)(*(wndPtr->wExtra)) = 0;
|
|
break;
|
|
}
|
|
}
|
|
else if (style == BS_AUTO3STATE)
|
|
{
|
|
switch ((WORD)(*(wndPtr->wExtra)))
|
|
{
|
|
case 0:
|
|
(WORD)(*(wndPtr->wExtra)) = 1;
|
|
break;
|
|
|
|
case 1:
|
|
(WORD)(*(wndPtr->wExtra)) = 2;
|
|
break;
|
|
|
|
case 2:
|
|
(WORD)(*(wndPtr->wExtra)) = 0;
|
|
break;
|
|
}
|
|
}
|
|
NOTIFY_PARENT(hWnd, BN_CLICKED);
|
|
}
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG CB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
|
|
}
|
|
|
|
static LONG CB_KillFocus(HWND hWnd)
|
|
{
|
|
pressed = FALSE;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG CB_SetCheck(HWND hWnd, WORD wParam)
|
|
{
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
|
|
if ((WORD)(*(wndPtr->wExtra)) != wParam)
|
|
{
|
|
(WORD)(*(wndPtr->wExtra)) = wParam;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
}
|
|
|
|
static LONG CB_GetCheck(HWND hWnd)
|
|
{
|
|
WORD wResult;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
|
|
wResult = (WORD)(*(wndPtr->wExtra));
|
|
return (LONG)wResult;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Radio Button Functions
|
|
*/
|
|
|
|
static LONG RB_Paint(HWND hWnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
RECT rc;
|
|
HDC hDC;
|
|
HPEN hOldPen;
|
|
HBRUSH hBrush, hOldBrush;
|
|
int textlen, delta;
|
|
char *text;
|
|
HANDLE hText;
|
|
TEXTMETRIC tm;
|
|
SIZE size;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
GetClientRect(hWnd, &rc);
|
|
|
|
hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
|
|
|
|
hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
|
|
MAKELPARAM(hWnd, CTLCOLOR_BTN));
|
|
FillRect(hDC, &rc, hBrush);
|
|
|
|
textlen = GetWindowTextLength(hWnd);
|
|
hText = USER_HEAP_ALLOC(0, textlen+1);
|
|
text = USER_HEAP_ADDR(hText);
|
|
GetWindowText(hWnd, text, textlen+1);
|
|
GetTextMetrics(hDC, &tm);
|
|
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
Ellipse(hDC, 0, rc.top + delta, tm.tmHeight, tm.tmHeight + delta);
|
|
if (pressed)
|
|
Ellipse(hDC, 1, rc.top + delta + 1, tm.tmHeight - 1,
|
|
tm.tmHeight + delta - 1);
|
|
|
|
if ((WORD)(*(wndPtr->wExtra)) == 1)
|
|
{
|
|
hBrush = CreateSolidBrush( GetNearestColor(hDC, GetSysColor(COLOR_WINDOWTEXT)));
|
|
hOldBrush = (HBRUSH)SelectObject(hDC, (HANDLE)hBrush);
|
|
Ellipse(hDC, 3, rc.top + delta + 3, tm.tmHeight - 3,
|
|
tm.tmHeight + delta -3);
|
|
SelectObject(hDC, (HANDLE)hOldBrush);
|
|
DeleteObject((HANDLE)hBrush);
|
|
}
|
|
|
|
rc.left = tm.tmHeight + tm.tmAveCharWidth / 2;
|
|
DrawText(hDC, text, textlen, &rc, DT_SINGLELINE | DT_VCENTER);
|
|
|
|
/* do we have the focus? */
|
|
if (GetFocus() == hWnd)
|
|
{
|
|
GetTextExtentPoint(hDC, text, textlen, &size);
|
|
rc.top += delta - 1;
|
|
rc.bottom -= delta + 1;
|
|
rc.left--;
|
|
rc.right = rc.left + size.cx + 2;
|
|
DrawFocusRect(hDC, &rc);
|
|
}
|
|
|
|
SelectObject(hDC, hOldPen );
|
|
USER_HEAP_FREE(hText);
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
static LONG RB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
{
|
|
SetFocus(hWnd);
|
|
SetCapture(hWnd);
|
|
pressed = TRUE;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
}
|
|
|
|
static LONG RB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
LONG style;
|
|
|
|
pressed = FALSE;
|
|
ReleaseCapture();
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
{
|
|
style = wndPtr->dwStyle & 0x0000000F;
|
|
if (style == BS_AUTORADIOBUTTON)
|
|
(WORD)(*(wndPtr->wExtra)) = 1;
|
|
NOTIFY_PARENT(hWnd, BN_CLICKED);
|
|
}
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG RB_LButtonDblClk(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
HDC hDC;
|
|
TEXTMETRIC tm;
|
|
int delta;
|
|
|
|
hDC = GetDC(hWnd);
|
|
GetTextMetrics(hDC, &tm);
|
|
ReleaseDC(hWnd, hDC);
|
|
GetClientRect(hWnd, &rc);
|
|
delta = (rc.bottom - rc.top - tm.tmHeight) >> 1;
|
|
rc.top += delta;
|
|
rc.bottom = tm.tmHeight + delta;
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
NOTIFY_PARENT(hWnd, BN_DOUBLECLICKED);
|
|
}
|
|
|
|
static LONG RB_KillFocus(HWND hWnd)
|
|
{
|
|
pressed = FALSE;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG RB_SetCheck(HWND hWnd, WORD wParam)
|
|
{
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
|
|
if ((WORD)(*(wndPtr->wExtra)) != wParam)
|
|
{
|
|
(WORD)(*(wndPtr->wExtra)) = wParam;
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
}
|
|
|
|
static LONG RB_GetCheck(HWND hWnd)
|
|
{
|
|
WORD wResult;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
|
|
wResult = (WORD)(*(wndPtr->wExtra));
|
|
return (LONG)wResult;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Group Box Functions
|
|
*/
|
|
|
|
static LONG GB_Paint(HWND hWnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
RECT rc;
|
|
HDC hDC;
|
|
HPEN hOldPen;
|
|
HBRUSH hBrush;
|
|
int textlen;
|
|
char *text;
|
|
HANDLE hText;
|
|
SIZE size;
|
|
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
GetClientRect(hWnd, &rc);
|
|
|
|
hOldPen = (HPEN)SelectObject(hDC, sysColorObjects.hpenWindowText);
|
|
|
|
hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
|
|
MAKELPARAM(hWnd, CTLCOLOR_BTN));
|
|
FillRect(hDC, &rc, hBrush);
|
|
|
|
textlen = GetWindowTextLength(hWnd);
|
|
hText = USER_HEAP_ALLOC(0, textlen+1);
|
|
text = USER_HEAP_ADDR(hText);
|
|
GetWindowText(hWnd, text, textlen+1);
|
|
GetTextExtentPoint(hDC, text, textlen, &size);
|
|
|
|
rc.top = 5;
|
|
Rectangle(hDC, rc.left, rc.top, rc.right, rc.bottom);
|
|
rc.left = 10;
|
|
rc.top = 0;
|
|
rc.right = rc.left + size.cx + 1;
|
|
rc.bottom = size.cy;
|
|
DrawText(hDC, text, textlen, &rc, DT_SINGLELINE);
|
|
|
|
SelectObject(hDC, hOldPen );
|
|
USER_HEAP_FREE(hText);
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* User Button Functions
|
|
*/
|
|
|
|
static LONG UB_Paint(HWND hWnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hDC;
|
|
RECT rc;
|
|
HBRUSH hBrush;
|
|
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
GetClientRect(hWnd, &rc);
|
|
|
|
hBrush = SendMessage(GetParent(hWnd), WM_CTLCOLOR, (WORD)hDC,
|
|
MAKELPARAM(hWnd, CTLCOLOR_BTN));
|
|
FillRect(hDC, &rc, hBrush);
|
|
|
|
NOTIFY_PARENT(hWnd, BN_PAINT);
|
|
|
|
/* do we have the focus? */
|
|
if (GetFocus() == hWnd)
|
|
DrawFocusRect(hDC, &rc);
|
|
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
static LONG UB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
|
|
SetFocus(hWnd);
|
|
SetCapture(hWnd);
|
|
GetClientRect(hWnd, &rc);
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
NOTIFY_PARENT(hWnd, BN_HILITE);
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG UB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
RECT rc;
|
|
|
|
ReleaseCapture();
|
|
GetClientRect(hWnd, &rc);
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
{
|
|
NOTIFY_PARENT(hWnd, BN_CLICKED);
|
|
NOTIFY_PARENT(hWnd, BN_UNHILITE);
|
|
}
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
static LONG UB_KillFocus(HWND hWnd)
|
|
{
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
* Ownerdrawn Button Functions
|
|
*/
|
|
|
|
static LONG OB_Paint(HWND hWnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hDC;
|
|
RECT rc;
|
|
HANDLE hDis;
|
|
LPDRAWITEMSTRUCT lpdis;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
hDC = BeginPaint(hWnd, &ps);
|
|
GetClientRect(hWnd, &rc);
|
|
hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
|
|
lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
|
|
lpdis->hDC = hDC;
|
|
lpdis->itemID = 0;
|
|
CopyRect(&lpdis->rcItem, &rc);
|
|
lpdis->CtlID = wndPtr->wIDmenu;
|
|
lpdis->CtlType = ODT_BUTTON;
|
|
lpdis->itemAction = ODA_DRAWENTIRE;
|
|
/* printf("ownerdrawn button WM_DRAWITEM CtrlID=%X\n", lpdis->CtlID);*/
|
|
SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
|
|
USER_HEAP_FREE(hDis);
|
|
EndPaint(hWnd, &ps);
|
|
}
|
|
|
|
static LONG OB_LButtonDown(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
HDC hDC;
|
|
RECT rc;
|
|
HANDLE hDis;
|
|
LPDRAWITEMSTRUCT lpdis;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
SetFocus(hWnd);
|
|
SetCapture(hWnd);
|
|
hDC = GetDC(hWnd);
|
|
GetClientRect(hWnd, &rc);
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
NOTIFY_PARENT(hWnd, BN_CLICKED);
|
|
GetClientRect(hWnd, &rc);
|
|
hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
|
|
lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
|
|
lpdis->hDC = hDC;
|
|
lpdis->itemID = 0;
|
|
CopyRect(&lpdis->rcItem, &rc);
|
|
lpdis->CtlID = wndPtr->wIDmenu;
|
|
lpdis->CtlType = ODT_BUTTON;
|
|
lpdis->itemAction = ODA_SELECT;
|
|
SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
|
|
USER_HEAP_FREE(hDis);
|
|
ReleaseDC(hWnd, hDC);
|
|
}
|
|
|
|
static LONG OB_LButtonUp(HWND hWnd, WORD wParam, LONG lParam)
|
|
{
|
|
HDC hDC;
|
|
RECT rc;
|
|
HANDLE hDis;
|
|
LPDRAWITEMSTRUCT lpdis;
|
|
WND *wndPtr = WIN_FindWndPtr(hWnd);
|
|
ReleaseCapture();
|
|
hDC = GetDC(hWnd);
|
|
GetClientRect(hWnd, &rc);
|
|
if (PtInRect(&rc, MAKEPOINT(lParam)))
|
|
NOTIFY_PARENT(hWnd, BN_CLICKED);
|
|
GetClientRect(hWnd, &rc);
|
|
hDis = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(DRAWITEMSTRUCT));
|
|
lpdis = (LPDRAWITEMSTRUCT)USER_HEAP_ADDR(hDis);
|
|
lpdis->hDC = hDC;
|
|
lpdis->itemID = 0;
|
|
CopyRect(&lpdis->rcItem, &rc);
|
|
lpdis->CtlID = wndPtr->wIDmenu;
|
|
lpdis->CtlType = ODT_BUTTON;
|
|
lpdis->itemAction = ODA_SELECT;
|
|
SendMessage(GetParent(hWnd), WM_DRAWITEM, 1, (LPARAM)lpdis);
|
|
USER_HEAP_FREE(hDis);
|
|
ReleaseDC(hWnd, hDC);
|
|
}
|
|
|
|
static LONG OB_KillFocus(HWND hWnd)
|
|
{
|
|
InvalidateRect(hWnd, NULL, FALSE);
|
|
UpdateWindow(hWnd);
|
|
}
|
|
|