Sweden-Number/dlls/comctl32/progress.c

379 lines
9.6 KiB
C

/*
* Progress control
*
* Copyright 1997 Dimitrie O. Paun
*
*/
#include "commctrl.h"
#include "progress.h"
#include "win.h"
#include "debug.h"
/* Control configuration constants */
#define LED_GAP 2
/* Work constants */
#define UNKNOWN_PARAM(msg, wParam, lParam) WARN(progress, \
"Unknown parameter(s) for message " #msg \
"(%04x): wp=%04x lp=%08lx\n", msg, wParam, lParam);
#define PROGRESS_GetInfoPtr(wndPtr) ((PROGRESS_INFO *)wndPtr->wExtra[0])
/***********************************************************************
* PROGRESS_Draw
* Draws the progress bar.
*/
static void
PROGRESS_Draw (WND *wndPtr, HDC32 hdc)
{
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
HBRUSH32 hbrBar, hbrBk;
int rightBar, rightMost, ledWidth;
RECT32 rect;
TRACE(progress, "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 = GetSysColorBrush32(COLOR_HIGHLIGHT);
else
hbrBar = CreateSolidBrush32 (infoPtr->ColorBar);
/* get the required background brush */
if (infoPtr->ColorBk == CLR_DEFAULT)
hbrBk = GetSysColorBrush32 (COLOR_3DFACE);
else
hbrBk = CreateSolidBrush32 (infoPtr->ColorBk);
/* get client rectangle */
GetClientRect32 (wndPtr->hwndSelf, &rect);
/* draw the background */
FillRect32(hdc, &rect, hbrBk);
rect.left++; rect.right--; rect.top++; rect.bottom--;
/* compute extent of progress bar */
if (wndPtr->dwStyle & PBS_VERTICAL)
{
rightBar = rect.bottom -
MulDiv32(infoPtr->CurVal-infoPtr->MinVal,
rect.bottom - rect.top,
infoPtr->MaxVal-infoPtr->MinVal);
ledWidth = MulDiv32 ((rect.right - rect.left), 2, 3);
rightMost = rect.top;
}
else
{
rightBar = rect.left +
MulDiv32(infoPtr->CurVal-infoPtr->MinVal,
rect.right - rect.left,
infoPtr->MaxVal-infoPtr->MinVal);
ledWidth = MulDiv32 ((rect.bottom - rect.top), 2, 3);
rightMost = rect.right;
}
/* now draw the bar */
if (wndPtr->dwStyle & PBS_SMOOTH)
{
if (wndPtr->dwStyle & PBS_VERTICAL)
rect.top = rightBar;
else
rect.right = rightBar;
FillRect32(hdc, &rect, hbrBar);
}
else
{
if (wndPtr->dwStyle & PBS_VERTICAL)
while(rect.bottom > rightBar) {
rect.top = rect.bottom-ledWidth;
if (rect.top < rightMost)
rect.top = rightMost;
FillRect32(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;
FillRect32(hdc, &rect, hbrBar);
rect.left = rect.right+LED_GAP;
}
}
/* delete bar brush */
if (infoPtr->ColorBar != CLR_DEFAULT)
DeleteObject32 (hbrBar);
/* delete background brush */
if (infoPtr->ColorBk != CLR_DEFAULT)
DeleteObject32 (hbrBk);
}
/***********************************************************************
* PROGRESS_Refresh
* Draw the progress bar. The background need not be erased.
*/
static void
PROGRESS_Refresh (WND *wndPtr)
{
HDC32 hdc;
hdc = GetDC32 (wndPtr->hwndSelf);
PROGRESS_Draw (wndPtr, hdc);
ReleaseDC32 (wndPtr->hwndSelf, hdc);
}
/***********************************************************************
* PROGRESS_Paint
* Draw the progress bar. The background need not be erased.
* If dc!=0, it draws on it
*/
static void
PROGRESS_Paint (WND *wndPtr)
{
PAINTSTRUCT32 ps;
HDC32 hdc;
hdc = BeginPaint32 (wndPtr->hwndSelf, &ps);
PROGRESS_Draw (wndPtr, hdc);
EndPaint32 (wndPtr->hwndSelf, &ps);
}
/***********************************************************************
* PROGRESS_CoercePos
* Makes sure the current position (CUrVal) is within bounds.
*/
static void PROGRESS_CoercePos(WND *wndPtr)
{
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
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 HFONT32
PROGRESS_SetFont (WND *wndPtr, WPARAM32 wParam, LPARAM lParam)
{
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
HFONT32 hOldFont = infoPtr->hFont;
infoPtr->hFont = (HFONT32)wParam;
if (LOWORD(lParam))
PROGRESS_Refresh (wndPtr);
return hOldFont;
}
/***********************************************************************
* ProgressWindowProc
*/
LRESULT WINAPI ProgressWindowProc(HWND32 hwnd, UINT32 message,
WPARAM32 wParam, LPARAM lParam)
{
WND *wndPtr = WIN_FindWndPtr(hwnd);
PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(wndPtr);
UINT32 temp;
switch(message)
{
case WM_NCCREATE:
wndPtr->dwExStyle |= WS_EX_STATICEDGE;
return TRUE;
case WM_CREATE:
/* allocate memory for info struct */
infoPtr =
(PROGRESS_INFO *)COMCTL32_Alloc (sizeof(PROGRESS_INFO));
wndPtr->wExtra[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=(HANDLE32)NULL;
TRACE(progress, "Progress Ctrl creation, hwnd=%04x\n", hwnd);
break;
case WM_DESTROY:
TRACE (progress, "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 (wndPtr, wParam, lParam);
/* break; */
case WM_PAINT:
PROGRESS_Paint (wndPtr);
break;
case PBM_DELTAPOS:
if(lParam)
UNKNOWN_PARAM(PBM_DELTAPOS, wParam, lParam);
temp = infoPtr->CurVal;
if(wParam != 0){
infoPtr->CurVal += (UINT16)wParam;
PROGRESS_CoercePos(wndPtr);
PROGRESS_Refresh (wndPtr);
}
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(wndPtr);
PROGRESS_Refresh (wndPtr);
}
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(wndPtr);
PROGRESS_Refresh (wndPtr);
}
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 (wndPtr);
return temp;
case PBM_SETRANGE32:
temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
if((infoPtr->MinVal != (INT32)wParam) ||
(infoPtr->MaxVal != (INT32)lParam)) {
infoPtr->MinVal = (INT32)wParam;
infoPtr->MaxVal = (INT32)lParam;
if(infoPtr->MaxVal <= infoPtr->MinVal)
infoPtr->MaxVal = infoPtr->MinVal+1;
PROGRESS_CoercePos(wndPtr);
PROGRESS_Refresh (wndPtr);
}
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 (wndPtr);
break;
case PBM_SETBKCOLOR:
if (wParam)
UNKNOWN_PARAM(PBM_SETBKCOLOR, wParam, lParam);
infoPtr->ColorBk = (COLORREF)lParam;
PROGRESS_Refresh (wndPtr);
break;
default:
if (message >= WM_USER)
ERR(progress, "unknown msg %04x wp=%04x lp=%08lx\n",
message, wParam, lParam );
return DefWindowProc32A( hwnd, message, wParam, lParam );
}
return 0;
}
/***********************************************************************
* PROGRESS_Register [Internal]
*
* Registers the progress bar window class.
*/
VOID
PROGRESS_Register (VOID)
{
WNDCLASS32A wndClass;
if (GlobalFindAtom32A (PROGRESS_CLASS32A)) return;
ZeroMemory (&wndClass, sizeof( WNDCLASS32A));
wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
wndClass.lpfnWndProc = (WNDPROC32)ProgressWindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof (PROGRESS_INFO *);
wndClass.hCursor = LoadCursor32A (0, IDC_ARROW32A);
wndClass.lpszClassName = PROGRESS_CLASS32A;
RegisterClass32A (&wndClass);
}
/***********************************************************************
* PROGRESS_Unregister [Internal]
*
* Unregisters the progress bar window class.
*/
VOID
PROGRESS_Unregister (VOID)
{
if (GlobalFindAtom32A (PROGRESS_CLASS32A))
UnregisterClass32A (PROGRESS_CLASS32A, (HINSTANCE32)NULL);
}