388 lines
9.5 KiB
C
388 lines
9.5 KiB
C
/*
|
|
* Progress control
|
|
*
|
|
* Copyright 1997 Dimitrie O. Paun
|
|
* Copyright 1998, 1999 Eric Kohl
|
|
*
|
|
*/
|
|
|
|
#include "winbase.h"
|
|
#include "commctrl.h"
|
|
#include "progress.h"
|
|
#include "debugtools.h"
|
|
|
|
DEFAULT_DEBUG_CHANNEL(progress)
|
|
|
|
|
|
/* Control configuration constants */
|
|
|
|
#define LED_GAP 2
|
|
|
|
/* Work constants */
|
|
|
|
#define UNKNOWN_PARAM(msg, wParam, lParam) WARN(\
|
|
"Unknown parameter(s) for message " #msg \
|
|
"(%04x): wp=%04x lp=%08lx\n", msg, wParam, lParam);
|
|
|
|
#define PROGRESS_GetInfoPtr(hwnd) ((PROGRESS_INFO *)GetWindowLongA(hwnd, 0))
|
|
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_Draw
|
|
* Draws the progress bar.
|
|
*/
|
|
static void
|
|
PROGRESS_Draw (HWND hwnd, HDC hdc)
|
|
{
|
|
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
|
|
HBRUSH hbrBar, hbrBk;
|
|
int rightBar, rightMost, ledWidth;
|
|
RECT rect;
|
|
DWORD dwStyle;
|
|
|
|
TRACE("refresh pos=%d min=%d, max=%d\n",
|
|
infoPtr->CurVal, infoPtr->MinVal, infoPtr->MaxVal);
|
|
|
|
/* get the required bar brush */
|
|
if (infoPtr->ColorBar == CLR_DEFAULT)
|
|
hbrBar = GetSysColorBrush(COLOR_HIGHLIGHT);
|
|
else
|
|
hbrBar = CreateSolidBrush (infoPtr->ColorBar);
|
|
|
|
/* get the required background brush */
|
|
if (infoPtr->ColorBk == CLR_DEFAULT)
|
|
hbrBk = GetSysColorBrush (COLOR_3DFACE);
|
|
else
|
|
hbrBk = CreateSolidBrush (infoPtr->ColorBk);
|
|
|
|
/* get client rectangle */
|
|
GetClientRect (hwnd, &rect);
|
|
|
|
/* draw the background */
|
|
FillRect(hdc, &rect, hbrBk);
|
|
|
|
rect.left++; rect.right--; rect.top++; rect.bottom--;
|
|
|
|
/* get the window style */
|
|
dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
|
|
|
|
/* compute extent of progress bar */
|
|
if (dwStyle & PBS_VERTICAL)
|
|
{
|
|
rightBar = rect.bottom -
|
|
MulDiv(infoPtr->CurVal-infoPtr->MinVal,
|
|
rect.bottom - rect.top,
|
|
infoPtr->MaxVal-infoPtr->MinVal);
|
|
ledWidth = MulDiv ((rect.right - rect.left), 2, 3);
|
|
rightMost = rect.top;
|
|
}
|
|
else
|
|
{
|
|
rightBar = rect.left +
|
|
MulDiv(infoPtr->CurVal-infoPtr->MinVal,
|
|
rect.right - rect.left,
|
|
infoPtr->MaxVal-infoPtr->MinVal);
|
|
ledWidth = MulDiv ((rect.bottom - rect.top), 2, 3);
|
|
rightMost = rect.right;
|
|
}
|
|
|
|
/* now draw the bar */
|
|
if (dwStyle & PBS_SMOOTH)
|
|
{
|
|
if (dwStyle & PBS_VERTICAL)
|
|
rect.top = rightBar;
|
|
else
|
|
rect.right = rightBar;
|
|
FillRect(hdc, &rect, hbrBar);
|
|
}
|
|
else
|
|
{
|
|
if (dwStyle & PBS_VERTICAL)
|
|
{
|
|
while(rect.bottom > rightBar) {
|
|
rect.top = rect.bottom-ledWidth;
|
|
if (rect.top < rightMost)
|
|
rect.top = rightMost;
|
|
FillRect(hdc, &rect, hbrBar);
|
|
rect.bottom = rect.top-LED_GAP;
|
|
}
|
|
}
|
|
else {
|
|
while(rect.left < rightBar) {
|
|
rect.right = rect.left+ledWidth;
|
|
if (rect.right > rightMost)
|
|
rect.right = rightMost;
|
|
FillRect(hdc, &rect, hbrBar);
|
|
rect.left = rect.right+LED_GAP;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* delete bar brush */
|
|
if (infoPtr->ColorBar != CLR_DEFAULT)
|
|
DeleteObject (hbrBar);
|
|
|
|
/* delete background brush */
|
|
if (infoPtr->ColorBk != CLR_DEFAULT)
|
|
DeleteObject (hbrBk);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_Refresh
|
|
* Draw the progress bar. The background need not be erased.
|
|
*/
|
|
static void
|
|
PROGRESS_Refresh (HWND hwnd)
|
|
{
|
|
HDC hdc;
|
|
|
|
hdc = GetDC (hwnd);
|
|
PROGRESS_Draw (hwnd, hdc);
|
|
ReleaseDC (hwnd, hdc);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_Paint
|
|
* Draw the progress bar. The background need not be erased.
|
|
* If dc!=0, it draws on it
|
|
*/
|
|
static void
|
|
PROGRESS_Paint (HWND hwnd)
|
|
{
|
|
PAINTSTRUCT ps;
|
|
HDC hdc;
|
|
|
|
hdc = BeginPaint (hwnd, &ps);
|
|
PROGRESS_Draw (hwnd, hdc);
|
|
EndPaint (hwnd, &ps);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_CoercePos
|
|
* Makes sure the current position (CUrVal) is within bounds.
|
|
*/
|
|
static void PROGRESS_CoercePos(HWND hwnd)
|
|
{
|
|
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
|
|
|
|
if(infoPtr->CurVal < infoPtr->MinVal)
|
|
infoPtr->CurVal = infoPtr->MinVal;
|
|
if(infoPtr->CurVal > infoPtr->MaxVal)
|
|
infoPtr->CurVal = infoPtr->MaxVal;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_SetFont
|
|
* Set new Font for progress bar
|
|
*/
|
|
static HFONT
|
|
PROGRESS_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
|
|
HFONT hOldFont = infoPtr->hFont;
|
|
|
|
infoPtr->hFont = (HFONT)wParam;
|
|
if (LOWORD(lParam))
|
|
PROGRESS_Refresh (hwnd);
|
|
return hOldFont;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ProgressWindowProc
|
|
*/
|
|
static LRESULT WINAPI ProgressWindowProc(HWND hwnd, UINT message,
|
|
WPARAM wParam, LPARAM lParam)
|
|
{
|
|
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
|
|
UINT temp;
|
|
|
|
switch(message)
|
|
{
|
|
case WM_NCCREATE:
|
|
{
|
|
DWORD dwExStyle;
|
|
dwExStyle = GetWindowLongA (hwnd, GWL_EXSTYLE);
|
|
SetWindowLongA (hwnd, GWL_EXSTYLE, dwExStyle | WS_EX_STATICEDGE);
|
|
}
|
|
return TRUE;
|
|
|
|
case WM_CREATE:
|
|
/* allocate memory for info struct */
|
|
infoPtr =
|
|
(PROGRESS_INFO *)COMCTL32_Alloc (sizeof(PROGRESS_INFO));
|
|
SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
|
|
|
|
/* initialize the info struct */
|
|
infoPtr->MinVal=0;
|
|
infoPtr->MaxVal=100;
|
|
infoPtr->CurVal=0;
|
|
infoPtr->Step=10;
|
|
infoPtr->ColorBar=CLR_DEFAULT;
|
|
infoPtr->ColorBk=CLR_DEFAULT;
|
|
infoPtr->hFont=(HANDLE)NULL;
|
|
TRACE("Progress Ctrl creation, hwnd=%04x\n", hwnd);
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
TRACE("Progress Ctrl destruction, hwnd=%04x\n", hwnd);
|
|
COMCTL32_Free (infoPtr);
|
|
break;
|
|
|
|
case WM_ERASEBKGND:
|
|
/* pretend to erase it here, but we will do it in the paint
|
|
function to avoid flicker */
|
|
return 1;
|
|
|
|
case WM_GETFONT:
|
|
return (LRESULT)infoPtr->hFont;
|
|
|
|
case WM_SETFONT:
|
|
return PROGRESS_SetFont (hwnd, wParam, lParam);
|
|
|
|
case WM_PAINT:
|
|
PROGRESS_Paint (hwnd);
|
|
break;
|
|
|
|
case PBM_DELTAPOS:
|
|
if(lParam)
|
|
UNKNOWN_PARAM(PBM_DELTAPOS, wParam, lParam);
|
|
temp = infoPtr->CurVal;
|
|
if(wParam != 0){
|
|
infoPtr->CurVal += (UINT16)wParam;
|
|
PROGRESS_CoercePos (hwnd);
|
|
PROGRESS_Refresh (hwnd);
|
|
}
|
|
return temp;
|
|
|
|
case PBM_SETPOS:
|
|
if (lParam)
|
|
UNKNOWN_PARAM(PBM_SETPOS, wParam, lParam);
|
|
temp = infoPtr->CurVal;
|
|
if(temp != wParam){
|
|
infoPtr->CurVal = (UINT16)wParam;
|
|
PROGRESS_CoercePos(hwnd);
|
|
PROGRESS_Refresh (hwnd);
|
|
}
|
|
return temp;
|
|
|
|
case PBM_SETRANGE:
|
|
if (wParam)
|
|
UNKNOWN_PARAM(PBM_SETRANGE, wParam, lParam);
|
|
temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
|
|
if(temp != lParam){
|
|
infoPtr->MinVal = LOWORD(lParam);
|
|
infoPtr->MaxVal = HIWORD(lParam);
|
|
if(infoPtr->MaxVal <= infoPtr->MinVal)
|
|
infoPtr->MaxVal = infoPtr->MinVal+1;
|
|
PROGRESS_CoercePos(hwnd);
|
|
PROGRESS_Refresh (hwnd);
|
|
}
|
|
return temp;
|
|
|
|
case PBM_SETSTEP:
|
|
if (lParam)
|
|
UNKNOWN_PARAM(PBM_SETSTEP, wParam, lParam);
|
|
temp = infoPtr->Step;
|
|
infoPtr->Step = (UINT16)wParam;
|
|
return temp;
|
|
|
|
case PBM_STEPIT:
|
|
if (wParam || lParam)
|
|
UNKNOWN_PARAM(PBM_STEPIT, wParam, lParam);
|
|
temp = infoPtr->CurVal;
|
|
infoPtr->CurVal += infoPtr->Step;
|
|
if(infoPtr->CurVal > infoPtr->MaxVal)
|
|
infoPtr->CurVal = infoPtr->MinVal;
|
|
if(temp != infoPtr->CurVal)
|
|
PROGRESS_Refresh (hwnd);
|
|
return temp;
|
|
|
|
case PBM_SETRANGE32:
|
|
temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
|
|
if((infoPtr->MinVal != (INT)wParam) ||
|
|
(infoPtr->MaxVal != (INT)lParam)) {
|
|
infoPtr->MinVal = (INT)wParam;
|
|
infoPtr->MaxVal = (INT)lParam;
|
|
if(infoPtr->MaxVal <= infoPtr->MinVal)
|
|
infoPtr->MaxVal = infoPtr->MinVal+1;
|
|
PROGRESS_CoercePos(hwnd);
|
|
PROGRESS_Refresh (hwnd);
|
|
}
|
|
return temp;
|
|
|
|
case PBM_GETRANGE:
|
|
if (lParam){
|
|
((PPBRANGE)lParam)->iLow = infoPtr->MinVal;
|
|
((PPBRANGE)lParam)->iHigh = infoPtr->MaxVal;
|
|
}
|
|
return (wParam) ? infoPtr->MinVal : infoPtr->MaxVal;
|
|
|
|
case PBM_GETPOS:
|
|
if (wParam || lParam)
|
|
UNKNOWN_PARAM(PBM_STEPIT, wParam, lParam);
|
|
return (infoPtr->CurVal);
|
|
|
|
case PBM_SETBARCOLOR:
|
|
if (wParam)
|
|
UNKNOWN_PARAM(PBM_SETBARCOLOR, wParam, lParam);
|
|
infoPtr->ColorBar = (COLORREF)lParam;
|
|
PROGRESS_Refresh (hwnd);
|
|
break;
|
|
|
|
case PBM_SETBKCOLOR:
|
|
if (wParam)
|
|
UNKNOWN_PARAM(PBM_SETBKCOLOR, wParam, lParam);
|
|
infoPtr->ColorBk = (COLORREF)lParam;
|
|
PROGRESS_Refresh (hwnd);
|
|
break;
|
|
|
|
default:
|
|
if (message >= WM_USER)
|
|
ERR("unknown msg %04x wp=%04x lp=%08lx\n",
|
|
message, wParam, lParam );
|
|
return DefWindowProcA( hwnd, message, wParam, lParam );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_Register [Internal]
|
|
*
|
|
* Registers the progress bar window class.
|
|
*/
|
|
|
|
VOID
|
|
PROGRESS_Register (void)
|
|
{
|
|
WNDCLASSA wndClass;
|
|
|
|
ZeroMemory (&wndClass, sizeof( WNDCLASSA));
|
|
wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
|
|
wndClass.lpfnWndProc = (WNDPROC)ProgressWindowProc;
|
|
wndClass.cbClsExtra = 0;
|
|
wndClass.cbWndExtra = sizeof (PROGRESS_INFO *);
|
|
wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
|
|
wndClass.lpszClassName = PROGRESS_CLASSA;
|
|
|
|
RegisterClassA (&wndClass);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* PROGRESS_Unregister [Internal]
|
|
*
|
|
* Unregisters the progress bar window class.
|
|
*/
|
|
|
|
VOID
|
|
PROGRESS_Unregister (void)
|
|
{
|
|
UnregisterClassA (PROGRESS_CLASSA, (HINSTANCE)NULL);
|
|
}
|
|
|