mirror of
https://github.com/reactos/wine.git
synced 2024-12-03 09:20:56 +00:00
391 lines
9.6 KiB
C
391 lines
9.6 KiB
C
/*
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* Progress control
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*
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* Copyright 1997 Dimitrie O. Paun
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* Copyright 1998, 1999 Eric Kohl
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*
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*/
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#include "winbase.h"
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#include "commctrl.h"
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#include "progress.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(progress)
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/* Control configuration constants */
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#define LED_GAP 2
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/* Work constants */
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#define UNKNOWN_PARAM(msg, wParam, lParam) WARN(\
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"Unknown parameter(s) for message " #msg \
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"(%04x): wp=%04x lp=%08lx\n", msg, wParam, lParam);
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#define PROGRESS_GetInfoPtr(hwnd) ((PROGRESS_INFO *)GetWindowLongA(hwnd, 0))
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/***********************************************************************
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* PROGRESS_Draw
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* Draws the progress bar.
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*/
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static void
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PROGRESS_Draw (HWND hwnd, HDC hdc)
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{
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PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
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HBRUSH hbrBar, hbrBk;
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int rightBar, rightMost, ledWidth;
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RECT rect;
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DWORD dwStyle;
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TRACE("refresh pos=%d min=%d, max=%d\n",
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infoPtr->CurVal, infoPtr->MinVal, infoPtr->MaxVal);
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/* get the required bar brush */
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if (infoPtr->ColorBar == CLR_DEFAULT)
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hbrBar = GetSysColorBrush(COLOR_HIGHLIGHT);
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else
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hbrBar = CreateSolidBrush (infoPtr->ColorBar);
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/* get the required background brush */
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if (infoPtr->ColorBk == CLR_DEFAULT)
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hbrBk = GetSysColorBrush (COLOR_3DFACE);
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else
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hbrBk = CreateSolidBrush (infoPtr->ColorBk);
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/* get client rectangle */
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GetClientRect (hwnd, &rect);
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/* draw the background */
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FillRect(hdc, &rect, hbrBk);
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rect.left++; rect.right--; rect.top++; rect.bottom--;
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/* get the window style */
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dwStyle = GetWindowLongA (hwnd, GWL_STYLE);
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/* compute extent of progress bar */
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if (dwStyle & PBS_VERTICAL)
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{
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rightBar = rect.bottom -
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MulDiv(infoPtr->CurVal-infoPtr->MinVal,
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rect.bottom - rect.top,
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infoPtr->MaxVal-infoPtr->MinVal);
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ledWidth = MulDiv ((rect.right - rect.left), 2, 3);
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rightMost = rect.top;
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}
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else
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{
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rightBar = rect.left +
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MulDiv(infoPtr->CurVal-infoPtr->MinVal,
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rect.right - rect.left,
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infoPtr->MaxVal-infoPtr->MinVal);
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ledWidth = MulDiv ((rect.bottom - rect.top), 2, 3);
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rightMost = rect.right;
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}
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/* now draw the bar */
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if (dwStyle & PBS_SMOOTH)
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{
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if (dwStyle & PBS_VERTICAL)
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rect.top = rightBar;
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else
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rect.right = rightBar;
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FillRect(hdc, &rect, hbrBar);
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}
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else
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{
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if (dwStyle & PBS_VERTICAL)
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{
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while(rect.bottom > rightBar) {
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rect.top = rect.bottom-ledWidth;
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if (rect.top < rightMost)
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rect.top = rightMost;
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FillRect(hdc, &rect, hbrBar);
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rect.bottom = rect.top-LED_GAP;
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}
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}
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else {
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while(rect.left < rightBar) {
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rect.right = rect.left+ledWidth;
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if (rect.right > rightMost)
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rect.right = rightMost;
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FillRect(hdc, &rect, hbrBar);
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rect.left = rect.right+LED_GAP;
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}
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}
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}
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/* delete bar brush */
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if (infoPtr->ColorBar != CLR_DEFAULT)
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DeleteObject (hbrBar);
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/* delete background brush */
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if (infoPtr->ColorBk != CLR_DEFAULT)
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DeleteObject (hbrBk);
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}
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/***********************************************************************
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* PROGRESS_Refresh
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* Draw the progress bar. The background need not be erased.
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*/
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static void
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PROGRESS_Refresh (HWND hwnd)
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{
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HDC hdc;
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hdc = GetDC (hwnd);
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PROGRESS_Draw (hwnd, hdc);
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ReleaseDC (hwnd, hdc);
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}
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/***********************************************************************
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* PROGRESS_Paint
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* Draw the progress bar. The background need not be erased.
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* If dc!=0, it draws on it
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*/
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static void
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PROGRESS_Paint (HWND hwnd)
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{
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PAINTSTRUCT ps;
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HDC hdc;
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hdc = BeginPaint (hwnd, &ps);
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PROGRESS_Draw (hwnd, hdc);
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EndPaint (hwnd, &ps);
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}
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/***********************************************************************
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* PROGRESS_CoercePos
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* Makes sure the current position (CUrVal) is within bounds.
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*/
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static void PROGRESS_CoercePos(HWND hwnd)
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{
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PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
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if(infoPtr->CurVal < infoPtr->MinVal)
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infoPtr->CurVal = infoPtr->MinVal;
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if(infoPtr->CurVal > infoPtr->MaxVal)
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infoPtr->CurVal = infoPtr->MaxVal;
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}
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/***********************************************************************
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* PROGRESS_SetFont
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* Set new Font for progress bar
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*/
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static HFONT
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PROGRESS_SetFont (HWND hwnd, WPARAM wParam, LPARAM lParam)
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{
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PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
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HFONT hOldFont = infoPtr->hFont;
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infoPtr->hFont = (HFONT)wParam;
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if (LOWORD(lParam))
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PROGRESS_Refresh (hwnd);
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return hOldFont;
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}
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/***********************************************************************
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* ProgressWindowProc
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*/
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static LRESULT WINAPI ProgressWindowProc(HWND hwnd, UINT message,
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WPARAM wParam, LPARAM lParam)
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{
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PROGRESS_INFO *infoPtr = PROGRESS_GetInfoPtr(hwnd);
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UINT temp;
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switch(message)
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{
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case WM_NCCREATE:
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{
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DWORD dwExStyle;
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dwExStyle = GetWindowLongA (hwnd, GWL_EXSTYLE);
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SetWindowLongA (hwnd, GWL_EXSTYLE, dwExStyle | WS_EX_STATICEDGE);
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}
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return TRUE;
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case WM_CREATE:
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/* allocate memory for info struct */
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infoPtr =
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(PROGRESS_INFO *)COMCTL32_Alloc (sizeof(PROGRESS_INFO));
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SetWindowLongA (hwnd, 0, (DWORD)infoPtr);
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/* initialize the info struct */
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infoPtr->MinVal=0;
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infoPtr->MaxVal=100;
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infoPtr->CurVal=0;
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infoPtr->Step=10;
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infoPtr->ColorBar=CLR_DEFAULT;
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infoPtr->ColorBk=CLR_DEFAULT;
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infoPtr->hFont=(HANDLE)NULL;
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TRACE("Progress Ctrl creation, hwnd=%04x\n", hwnd);
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break;
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case WM_DESTROY:
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TRACE("Progress Ctrl destruction, hwnd=%04x\n", hwnd);
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COMCTL32_Free (infoPtr);
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break;
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case WM_ERASEBKGND:
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/* pretend to erase it here, but we will do it in the paint
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function to avoid flicker */
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return 1;
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case WM_GETFONT:
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return (LRESULT)infoPtr->hFont;
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case WM_SETFONT:
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return PROGRESS_SetFont (hwnd, wParam, lParam);
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case WM_PAINT:
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PROGRESS_Paint (hwnd);
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break;
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case PBM_DELTAPOS:
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if(lParam)
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UNKNOWN_PARAM(PBM_DELTAPOS, wParam, lParam);
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temp = infoPtr->CurVal;
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if(wParam != 0){
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infoPtr->CurVal += (UINT16)wParam;
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PROGRESS_CoercePos (hwnd);
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PROGRESS_Refresh (hwnd);
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}
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return temp;
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case PBM_SETPOS:
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if (lParam)
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UNKNOWN_PARAM(PBM_SETPOS, wParam, lParam);
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temp = infoPtr->CurVal;
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if(temp != wParam){
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infoPtr->CurVal = (UINT16)wParam;
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PROGRESS_CoercePos(hwnd);
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PROGRESS_Refresh (hwnd);
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}
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return temp;
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case PBM_SETRANGE:
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if (wParam)
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UNKNOWN_PARAM(PBM_SETRANGE, wParam, lParam);
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temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
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if(temp != lParam){
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infoPtr->MinVal = LOWORD(lParam);
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infoPtr->MaxVal = HIWORD(lParam);
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if(infoPtr->MaxVal <= infoPtr->MinVal)
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infoPtr->MaxVal = infoPtr->MinVal+1;
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PROGRESS_CoercePos(hwnd);
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PROGRESS_Refresh (hwnd);
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}
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return temp;
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case PBM_SETSTEP:
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if (lParam)
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UNKNOWN_PARAM(PBM_SETSTEP, wParam, lParam);
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temp = infoPtr->Step;
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infoPtr->Step = (UINT16)wParam;
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return temp;
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case PBM_STEPIT:
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if (wParam || lParam)
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UNKNOWN_PARAM(PBM_STEPIT, wParam, lParam);
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temp = infoPtr->CurVal;
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infoPtr->CurVal += infoPtr->Step;
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if(infoPtr->CurVal > infoPtr->MaxVal)
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infoPtr->CurVal = infoPtr->MinVal;
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if(temp != infoPtr->CurVal)
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PROGRESS_Refresh (hwnd);
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return temp;
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case PBM_SETRANGE32:
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temp = MAKELONG(infoPtr->MinVal, infoPtr->MaxVal);
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if((infoPtr->MinVal != (INT)wParam) ||
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(infoPtr->MaxVal != (INT)lParam)) {
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infoPtr->MinVal = (INT)wParam;
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infoPtr->MaxVal = (INT)lParam;
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if(infoPtr->MaxVal <= infoPtr->MinVal)
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infoPtr->MaxVal = infoPtr->MinVal+1;
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PROGRESS_CoercePos(hwnd);
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PROGRESS_Refresh (hwnd);
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}
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return temp;
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case PBM_GETRANGE:
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if (lParam){
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((PPBRANGE)lParam)->iLow = infoPtr->MinVal;
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((PPBRANGE)lParam)->iHigh = infoPtr->MaxVal;
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}
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return (wParam) ? infoPtr->MinVal : infoPtr->MaxVal;
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case PBM_GETPOS:
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if (wParam || lParam)
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UNKNOWN_PARAM(PBM_STEPIT, wParam, lParam);
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return (infoPtr->CurVal);
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case PBM_SETBARCOLOR:
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if (wParam)
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UNKNOWN_PARAM(PBM_SETBARCOLOR, wParam, lParam);
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infoPtr->ColorBar = (COLORREF)lParam;
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PROGRESS_Refresh (hwnd);
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break;
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case PBM_SETBKCOLOR:
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if (wParam)
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UNKNOWN_PARAM(PBM_SETBKCOLOR, wParam, lParam);
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infoPtr->ColorBk = (COLORREF)lParam;
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PROGRESS_Refresh (hwnd);
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break;
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default:
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if (message >= WM_USER)
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ERR("unknown msg %04x wp=%04x lp=%08lx\n",
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message, wParam, lParam );
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return DefWindowProcA( hwnd, message, wParam, lParam );
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}
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return 0;
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}
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/***********************************************************************
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* PROGRESS_Register [Internal]
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*
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* Registers the progress bar window class.
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*/
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VOID
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PROGRESS_Register (void)
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{
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WNDCLASSA wndClass;
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if (GlobalFindAtomA (PROGRESS_CLASSA)) return;
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ZeroMemory (&wndClass, sizeof( WNDCLASSA));
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wndClass.style = CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
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wndClass.lpfnWndProc = (WNDPROC)ProgressWindowProc;
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wndClass.cbClsExtra = 0;
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wndClass.cbWndExtra = sizeof (PROGRESS_INFO *);
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wndClass.hCursor = LoadCursorA (0, IDC_ARROWA);
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wndClass.lpszClassName = PROGRESS_CLASSA;
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RegisterClassA (&wndClass);
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}
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/***********************************************************************
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* PROGRESS_Unregister [Internal]
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*
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* Unregisters the progress bar window class.
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*/
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VOID
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PROGRESS_Unregister (void)
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{
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if (GlobalFindAtomA (PROGRESS_CLASSA))
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UnregisterClassA (PROGRESS_CLASSA, (HINSTANCE)NULL);
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}
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