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Microsoft Windows NT Build 511 (SDK Final Release) 07-24-1993
/******************************************************************************\
* This is a part of the Microsoft Source Code Samples.
* Copyright (C) 1993 Microsoft Corporation.
* All rights reserved.
* This source code is only intended as a supplement to
* Microsoft Development Tools and/or WinHelp documentation.
* See these sources for detailed information regarding the
* Microsoft samples programs.
\******************************************************************************/
#define NOMINMAX
#include <windows.h>
#include <stdlib.h> // For 'abs'
#if !defined (APIENTRY)
#define APIENTRY FAR PASCAL
#endif
HWND hwndTools, hwndToolText, hwndToolCombo, hwndToolButton, hwndMain;
HFONT hfontTools=0;
TEXTMETRIC tmToolFont;
int dyTools = 0, cxToolBorder, cyToolBorder, cntToolCtrls = 0, dyCombo;
int xCurrent = 10;
HBRUSH hbrBtnFace=0, hbrWindow=0;
HANDLE hInst=0;
#define MAXCTRLS 25
#define TC_SPACE 0
#define TC_LABEL 1
#define TC_COMBO 2
#define TC_BUTTON 3
typedef struct _tagTools {
HWND hwnd;
WORD wType;
int iWidth, iHeight;
HICON hIcon;
} Tools;
Tools toolCtrl[MAXCTRLS];
LONG APIENTRY ToolsProc (HWND, UINT, UINT, LONG);
LONG APIENTRY MyComboProc (HWND, UINT, UINT, LONG);
BOOL InitToolBar (HANDLE hInstance)
{
WNDCLASS wndclass;
hbrBtnFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
hbrWindow = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = (WNDPROC)ToolsProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = NULL;
wndclass.hbrBackground = hbrBtnFace;
wndclass.hCursor = LoadCursor (NULL, IDC_ARROW);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName = "SamplerTools";
if (!RegisterClass (&wndclass))
return FALSE;
}
BOOL CreateToolBar (HWND hwnd, HANDLE hInstance, int iId)
{
HWND hwndTmp;
RECT rect;
#if defined (WIN32)
hInst = (HANDLE)GetWindowLong (hwnd, GWL_HINSTANCE);
#else
hInst = GetWindowWord (hwnd, GWW_HINSTANCE);
#endif
if (hbrBtnFace==0) {
hbrBtnFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
}
if (hbrWindow==0) {
hbrWindow = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
}
cxToolBorder = GetSystemMetrics (SM_CXBORDER);
cyToolBorder = GetSystemMetrics (SM_CYBORDER);
hwndTools = CreateWindow ("SamplerTools", "SamplerTools",
WS_CHILD | WS_CLIPSIBLINGS | WS_BORDER | WS_VISIBLE,
0, 0, 0, 0,
hwnd, (HMENU)iId, hInst, NULL);
if (!hwndTools) {
return FALSE;
}
/* Lets find out how big a combo box is... */
hwndTmp = CreateWindow ("COMBOBOX", "Combo",
WS_CHILD | WS_VISIBLE | CBS_DROPDOWNLIST,
0, 0, 0, 0,
hwndTools, NULL, hInst, NULL);
if (hwndTmp) {
SendMessage (hwndTmp, WM_SETFONT, (UINT)hfontTools, MAKELONG (TRUE, 0));
GetClientRect (hwndTmp, &rect);
dyCombo = rect.bottom - rect.top;
DestroyWindow (hwndTmp);
} else {
dyCombo = 30; // Just for a default value
}
hwndMain = hwnd; // So we can pass WM_CONTROL messages back to the master parent
return TRUE;
hInstance; // unreferenced formal parameter
}
int ToolBarHeight (HWND hwnd)
{
RECT rect;
GetClientRect (hwndTools, &rect);
return rect.bottom-rect.top;
hwnd; //unreferenced formal parameter
}
BOOL AdjustToolBar (HWND hwnd)
{
RECT rect;
GetClientRect (hwnd, &rect);
MoveWindow (hwndTools,
rect.left-cxToolBorder,
rect.top - cyToolBorder,
rect.right - rect.left + (cxToolBorder*2),
dyTools,
TRUE);
return TRUE;
}
void UpdatePositions (void)
{
int i, x, y, dx, dy, cnt;
x = 10;
for (i=0; i<cntToolCtrls; i++) {
switch (toolCtrl[i].wType) {
case TC_SPACE:
dx = toolCtrl[i].iWidth;
break;
case TC_LABEL:
dy = toolCtrl[i].iHeight;
y = (dyTools/2) - (dy/2) - 1;
dx = toolCtrl[i].iWidth;
break;
case TC_COMBO:
dy = toolCtrl[i].iHeight;
y = (dyTools/2) - (dy/2) - 1;
dx = toolCtrl[i].iWidth;
cnt = (int)SendMessage (toolCtrl[i].hwnd, CB_GETCOUNT, (UINT)0, (LONG)0);
if (cnt > 5) cnt = 5;
dy = dy * cnt;
break;
case TC_BUTTON:
dy = toolCtrl[i].iHeight;
y = (dyTools/2) - (dy/2) - 1;
dx = toolCtrl[i].iWidth;
break;
default:
dy = toolCtrl[i].iHeight;
y = (dyTools/2) - (dy/2) - 1;
dx = toolCtrl[i].iWidth;
break;
}
if (toolCtrl[i].wType != TC_SPACE) {
MoveWindow (toolCtrl[i].hwnd, x, y, dx, dy, FALSE);
}
x += dx;
}
if (hwndTools) {
UpdateWindow (hwndTools);
}
}
BOOL AddToolSpace (int iWidth, int iHeight)
{
if (cntToolCtrls >= MAXCTRLS) return FALSE;
toolCtrl[cntToolCtrls].hwnd = 0;
toolCtrl[cntToolCtrls].wType = TC_SPACE;
toolCtrl[cntToolCtrls].iWidth = iWidth;
toolCtrl[cntToolCtrls].iHeight = iHeight;
if ((toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder)) > dyTools) {
dyTools = (toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder));
}
UpdatePositions();
cntToolCtrls++;
return TRUE;
}
HWND AddToolLabel (HANDLE hInst, int iId, LPSTR szLabel, int iWidth, DWORD dwStyle)
{
HDC hdc;
if (cntToolCtrls >= MAXCTRLS) return (HWND)0; // No room left in our fixed array
toolCtrl[cntToolCtrls].hwnd = CreateWindow ("STATIC", szLabel,
WS_CHILD | WS_VISIBLE | dwStyle,
0, 0, 0, 0,
hwndTools, (HMENU)iId, hInst, NULL);
if (!toolCtrl[cntToolCtrls].hwnd) return (HWND)0; // CreateWindow failed for some reason
SendMessage (toolCtrl[cntToolCtrls].hwnd, WM_SETFONT, (UINT)hfontTools, MAKELONG (TRUE, 0));
toolCtrl[cntToolCtrls].wType = TC_LABEL;
hdc = GetDC (hwndTools);
if (iWidth < 0) {
toolCtrl[cntToolCtrls].iWidth = tmToolFont.tmAveCharWidth * abs(iWidth);
} else if (iWidth == 0) {
#if defined (WIN32)
SIZE size;
GetTextExtentPoint (hdc, szLabel, lstrlen(szLabel), &size);
toolCtrl[cntToolCtrls].iWidth = size.cx;
#else
toolCtrl[cntToolCtrls].iWidth = LOWORD(GetTextExtent (hdc, szLabel, lstrlen(szLabel)));
#endif
} else {
toolCtrl[cntToolCtrls].iWidth = iWidth;
}
toolCtrl[cntToolCtrls].iHeight = tmToolFont.tmHeight;
if ((toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder)) > dyTools) {
dyTools = (toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder));
}
ReleaseDC (hwndTools, hdc);
UpdatePositions();
return toolCtrl[cntToolCtrls++].hwnd;
}
HWND AddToolCombo (HANDLE hInst, int iId, int iWidth, DWORD dwStyle)
{
if (cntToolCtrls >= MAXCTRLS) return (HWND)0; // No room left in our fixed array
if (dwStyle==0) dwStyle = CBS_DROPDOWNLIST;
toolCtrl[cntToolCtrls].hwnd = CreateWindow ("COMBOBOX", "",
WS_CHILD | WS_VISIBLE | dwStyle,
0, 0, 0, 0,
hwndTools, (HMENU)iId, hInst, NULL);
if (!toolCtrl[cntToolCtrls].hwnd) return (HWND)0; // CreateWindow failed for some reason
SendMessage (toolCtrl[cntToolCtrls].hwnd, WM_SETFONT, (UINT)hfontTools, MAKELONG (TRUE, 0));
toolCtrl[cntToolCtrls].wType = TC_COMBO;
if (iWidth < 0) {
toolCtrl[cntToolCtrls].iWidth = tmToolFont.tmAveCharWidth * abs(iWidth);
} else if (iWidth == 0) {
toolCtrl[cntToolCtrls].iWidth = tmToolFont.tmAveCharWidth * 15; // just a default width
} else {
toolCtrl[cntToolCtrls].iWidth = iWidth;
}
toolCtrl[cntToolCtrls].iHeight = dyCombo;
if ((toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder)) > dyTools) {
dyTools = (toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder));
}
UpdatePositions();
return toolCtrl[cntToolCtrls++].hwnd;
}
HWND AddToolButton (HANDLE hInst, int iId, LPSTR szLabel, int iWidth, int iHeight, DWORD dwStyle)
{
HDC hdc;
if (cntToolCtrls >= MAXCTRLS) return (HWND)0; // No room left in our fixed array
if (dwStyle == 0) dwStyle = BS_PUSHBUTTON;
toolCtrl[cntToolCtrls].hwnd = CreateWindow ("BUTTON", szLabel,
WS_CHILD | WS_VISIBLE | dwStyle,
0, 0, 0, 0,
hwndTools, (HMENU)iId, hInst, NULL);
if (!toolCtrl[cntToolCtrls].hwnd) return (HWND)0; // CreateWindow failed for some reason
SendMessage (toolCtrl[cntToolCtrls].hwnd, WM_SETFONT, (UINT)hfontTools, MAKELONG (TRUE, 0));
toolCtrl[cntToolCtrls].wType = TC_BUTTON;
hdc = GetDC (hwndTools);
SelectObject (hdc, hfontTools);
if (iWidth < 0) {
toolCtrl[cntToolCtrls].iWidth = tmToolFont.tmAveCharWidth * abs(iWidth);
toolCtrl[cntToolCtrls].iWidth += (6*cxToolBorder);
} else if (iWidth == 0) {
#if defined (WIN32)
SIZE size;
GetTextExtentPoint (hdc, szLabel, lstrlen(szLabel), &size);
toolCtrl[cntToolCtrls].iWidth = size.cx;
#else
toolCtrl[cntToolCtrls].iWidth = LOWORD(GetTextExtent (hdc, szLabel, lstrlen(szLabel)));
#endif
toolCtrl[cntToolCtrls].iWidth += (6*cxToolBorder);
} else {
toolCtrl[cntToolCtrls].iWidth = iWidth;
}
if (iHeight < 0) {
toolCtrl[cntToolCtrls].iHeight = tmToolFont.tmHeight;
toolCtrl[cntToolCtrls].iHeight += (6*cyToolBorder);
} else if (iHeight==0) {
toolCtrl[cntToolCtrls].iHeight = dyTools - (6*cyToolBorder);
} else {
toolCtrl[cntToolCtrls].iHeight = iHeight;
}
if ((toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder)) > dyTools) {
dyTools = (toolCtrl[cntToolCtrls].iHeight + (6*cyToolBorder));
}
if (dwStyle & BS_OWNERDRAW) {
toolCtrl[cntToolCtrls].hIcon = LoadIcon (hInst, szLabel);
} else {
toolCtrl[cntToolCtrls].hIcon = NULL;
}
ReleaseDC (hwndTools, hdc);
UpdatePositions();
return toolCtrl[cntToolCtrls++].hwnd;
}
BOOL DestroyToolBar (void)
{
return DeleteObject (hbrBtnFace);
}
void DrawButton (HDC hdc, RECT rect, BOOL bDown, HICON hIcon)
{
HBRUSH hBrush, hbrFrame, hbrFace, hbrHilite, hbrShadow;
RECT border;
int i;
hbrFrame = CreateSolidBrush(GetSysColor(COLOR_WINDOWFRAME));
hbrFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
hbrHilite = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
hbrShadow = CreateSolidBrush(GetSysColor(COLOR_BTNSHADOW));
FillRect (hdc, &rect, hbrFace);
if (hIcon) {
if (bDown) {
DrawIcon (hdc, rect.left + (4*cyToolBorder), rect.top + (4*cyToolBorder), hIcon);
} else {
DrawIcon (hdc, rect.left + (3*cyToolBorder), rect.top + (3*cyToolBorder), hIcon);
}
}
hBrush = hbrFrame;
border = rect; border.bottom = border.top + cyToolBorder;
FillRect (hdc, &border, hBrush);
border = rect; border.right = border.left + cxToolBorder;
FillRect (hdc, &border, hBrush);
border = rect; border.top = border.bottom - cyToolBorder;
FillRect (hdc, &border, hBrush);
border = rect; border.left = border.right - cxToolBorder;
FillRect (hdc, &border, hBrush);
for (i= 0; i<2; i++) {
InflateRect (&rect, -cxToolBorder, -cyToolBorder);
hBrush = (bDown?hbrShadow:hbrHilite);
border = rect; border.bottom = border.top + cyToolBorder;
FillRect (hdc, &border, hBrush);
border = rect; border.right = border.left + cxToolBorder;
FillRect (hdc, &border, hBrush);
if (!bDown) {
hBrush = hbrShadow;
border = rect; border.top = border.bottom - cyToolBorder;
FillRect (hdc, &border, hBrush);
border = rect; border.left = border.right - cxToolBorder;
FillRect (hdc, &border, hBrush);
}
}
DeleteObject (hbrFrame);
DeleteObject (hbrFace);
DeleteObject (hbrHilite);
DeleteObject (hbrShadow);
}
LONG APIENTRY ToolsProc (HWND hwnd, UINT msg, UINT wParam, LONG lParam)
{
HDC hdc;
PAINTSTRUCT ps;
int iType, idCtrl, msgCtrl, i;
RECT rect, border;
COLORREF clrColor;
HWND hwndCtl;
LONG lStyle;
HBRUSH hBrush;
LPDRAWITEMSTRUCT lpdi;
HICON hIcon;
LOGFONT lfTmp ={0,0,0,0,0,0,0,0,0,0,0,0,0,0};
switch (msg) {
case WM_CREATE:
lfTmp.lfHeight = 14;
lfTmp.lfPitchAndFamily = VARIABLE_PITCH | FF_SWISS;
hfontTools = CreateFontIndirect (&lfTmp);
if (!hfontTools) {
MessageBox (GetFocus(),
"Unable to get an unnamed variable pitch swiss font",
"Tool Bar CreateFont Error",
MB_OK);
hfontTools = CreateFont(14, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0,
VARIABLE_PITCH | FF_SWISS, "Arial");
}
if (!hfontTools) {
MessageBox (GetFocus(), "Failed To Create Font", "StatusProc", MB_OK);
}
hdc = GetDC (hwnd);
SelectObject (hdc, hfontTools);
GetTextMetrics (hdc, &tmToolFont);
ReleaseDC (hwnd, hdc);
return DefWindowProc (hwnd, msg, wParam, lParam);
case WM_DESTROY:
if (hfontTools) {
DeleteObject (hfontTools);
}
break;
case WM_SIZE:
UpdatePositions();
break;
#if defined (WIN32)
case WM_CTLCOLORLISTBOX:
case WM_CTLCOLOREDIT:
case WM_CTLCOLORSTATIC:
case WM_CTLCOLORBTN:
case WM_CTLCOLORDLG:
case WM_CTLCOLORMSGBOX:
case WM_CTLCOLORSCROLLBAR:
iType = msg - WM_CTLCOLORMSGBOX;
hdc = (HDC)wParam;
hwndCtl = (HWND)lParam;
#else
case WM_CTLCOLOR:
hdc = wParam;
hwndCtl = LOWORD(lParam);
iType = HIWORD (lParam);
#endif
switch (iType) {
case CTLCOLOR_EDIT: //Edit control
clrColor = GetSysColor (COLOR_BTNFACE);
hBrush = hbrWindow;
break;
case CTLCOLOR_LISTBOX: //List-box control
lStyle = GetWindowLong (hwndCtl, GWL_STYLE);
if (lStyle & CBS_SIMPLE) {
clrColor = GetSysColor (COLOR_WINDOW);
hBrush = hbrWindow;
} else {
clrColor = GetSysColor (COLOR_BTNFACE);
hBrush = hbrBtnFace;
}
break;
case CTLCOLOR_STATIC:
clrColor = GetSysColor (COLOR_BTNFACE);
hBrush = hbrBtnFace;
break;
case CTLCOLOR_BTN:
clrColor = GetSysColor (COLOR_BTNFACE);
hBrush = hbrBtnFace;
break;
case CTLCOLOR_SCROLLBAR:
case CTLCOLOR_DLG:
case CTLCOLOR_MSGBOX:
default:
return DefWindowProc (hwnd, msg, wParam, lParam);
}
SetBkColor(hdc, clrColor);
return (LONG)hBrush;
case WM_PAINT:
hdc = BeginPaint (hwnd, &ps);
GetClientRect (hwnd, &rect);
/* Shade the top of the bar white */
hBrush = CreateSolidBrush(GetSysColor(COLOR_WINDOW));
border = rect;
border.bottom = border.top + cyToolBorder;
FillRect (hdc, &border, hBrush);
DeleteObject (hBrush);
/* Shade the bottom of the bar dark gray */
hBrush = CreateSolidBrush(GetSysColor(COLOR_BTNSHADOW));
border = rect;
border.top = border.bottom - cyToolBorder;
FillRect (hdc, &border, hBrush);
DeleteObject (hBrush);
EndPaint (hwnd, &ps);
return DefWindowProc (hwnd, msg, wParam, lParam);
case WM_DRAWITEM: // Indicates that an owner-draw control needs to be redrawn.
lpdi = (LPDRAWITEMSTRUCT)lParam;
switch (lpdi->itemAction) {
// handle normal drawing of button, but check if its selected or focus
case ODA_SELECT:
case ODA_DRAWENTIRE:
// handle button pressed down select state -- button down bitmap
// text is right & down 2 pixels
hIcon = NULL;
for (i=0; i< cntToolCtrls; i++) {
if (toolCtrl[i].hwnd == lpdi->hwndItem) {
hIcon = toolCtrl[i].hIcon;
}
}
if (lpdi->itemState & ODS_SELECTED) {
DrawButton (lpdi->hDC,lpdi->rcItem, TRUE, hIcon);
} else { // not selected -- button up; text is in normal position
DrawButton (lpdi->hDC,lpdi->rcItem, FALSE, hIcon);
}
return TRUE;
}
break;
case WM_COMMAND:
#if defined (WIN32)
idCtrl = LOWORD(wParam);
msgCtrl = HIWORD(wParam);
hwndCtl = (HWND)lParam;
#else
idCtrl = wParam;
msgCtrl = HIWORD (lParam);
hwndCtl = LOWORD (lParam);
#endif
if (GetWindowLong (hwndCtl, GWL_STYLE) & BS_OWNERDRAW) {
if (msgCtrl == BN_DOUBLECLICKED) {
PostMessage (hwndCtl, WM_LBUTTONDOWN, 0, 0);
return TRUE;
}
}
PostMessage (hwndMain, msg, wParam, lParam);
return DefWindowProc (hwnd, msg, wParam, lParam);
default:
return DefWindowProc (hwnd, msg, wParam, lParam);
}
return 0L;
}
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