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kinda-working viewing...

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This commit is contained in:
Erik Faye-Lund 2007-11-23 00:13:10 +00:00
parent 3f172c688d
commit 943ece8740
1 changed files with 40 additions and 8 deletions
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48
synctracker2.cpp
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@ -7,11 +7,12 @@
const _TCHAR g_szClassName[] = _T("myWindowClass");
const int topMarginHeight = 20;
const int leftMarginWidth = 70;
const int fontHeight = 16;
const int fontWidth = 12;
const int lines = 30;
const int lines = 0x80;
int scrollPosX;
int scrollPosY;
@ -51,6 +52,8 @@ void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY)
scrollPosX = max(scrollPosX, 0);
scrollPosY = max(scrollPosY, 0);
scrollPosY = min(scrollPosY, (lines - 1) - windowLines);
if (oldScrollPosX != scrollPosX || oldScrollPosY != scrollPosY)
{
int scrollX = oldScrollPosX - scrollPosX;
@ -59,7 +62,8 @@ void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY)
RECT clip;
GetClientRect(hwnd, &clip);
if (scrollX == 0) clip.top = topMarginHeight; /* don't scroll the top line */
if (scrollX == 0) clip.top = topMarginHeight; /* don't scroll the top line */
if (scrollY == 0) clip.left = leftMarginWidth; /* don't scroll the top line */
ScrollWindowEx(
hwnd,
@ -84,7 +88,28 @@ void paintTracks(HDC hdc, RECT rcTracks)
lastLine = min(lastLine, lines);
int trackLeft = -scrollPosX;
SetBkMode(hdc, TRANSPARENT);
for (int y = firstLine; y < lastLine; ++y)
{
RECT leftMargin;
leftMargin.left = 0;
leftMargin.right = leftMarginWidth;
leftMargin.top = topMarginHeight + (y - scrollPosY) * fontHeight;
leftMargin.bottom = leftMargin.top + fontHeight;
FillRect(hdc, &leftMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
_snprintf_s(temp, 256, "%04Xh", y);
TextOut(hdc,
leftMargin.left, leftMargin.top,
temp, int(strlen(temp))
);
ExcludeClipRect(hdc, leftMargin.left, leftMargin.top, leftMargin.right, leftMargin.bottom);
}
int trackLeft = leftMarginWidth - scrollPosX;
for (int x = 0; x < 16; ++x)
{
int trackWidth = fontWidth * 5;
@ -101,7 +126,6 @@ void paintTracks(HDC hdc, RECT rcTracks)
/* format the text */
_snprintf_s(temp, 256, "track %d", x);
SetBkMode(hdc, TRANSPARENT);
TextOut(hdc,
topMargin.left, 0,
temp, int(strlen(temp))
@ -109,7 +133,7 @@ void paintTracks(HDC hdc, RECT rcTracks)
ExcludeClipRect(hdc, topMargin.left, topMargin.top, topMargin.right, topMargin.bottom);
// SetBkColor(hdc, RGB(255, 0, 0));
int trackTop = topMarginHeight + (firstLine - scrollPosY) * fontHeight;
for (int y = firstLine; y < lastLine; ++y)
{
int val = y | (x << 8);
@ -117,7 +141,7 @@ void paintTracks(HDC hdc, RECT rcTracks)
RECT patternDataRect;
patternDataRect.left = trackLeft;
patternDataRect.right = trackLeft + trackWidth;
patternDataRect.top = topMarginHeight + (y - scrollPosY) * fontHeight;
patternDataRect.top = trackTop;
patternDataRect.bottom = patternDataRect.top + fontHeight;
FillRect( hdc, &patternDataRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
@ -125,11 +149,19 @@ void paintTracks(HDC hdc, RECT rcTracks)
if (y % 16 != 0) _snprintf_s(temp, 256, "- - -", val);
else _snprintf_s(temp, 256, "%2.2f", (float(y) / 16));
TextOut(hdc,
trackLeft,
topMarginHeight + (y - scrollPosY) * fontHeight,
trackLeft, trackTop,
temp, int(strlen(temp))
);
trackTop += fontHeight;
}
RECT bottomMargin;
bottomMargin.top = trackTop;
bottomMargin.bottom = rcTracks.bottom;
bottomMargin.left = trackLeft;
bottomMargin.right = trackLeft + trackWidth;
FillRect( hdc, &bottomMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
trackLeft += trackWidth;
}