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hscroll

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This commit is contained in:
Erik Faye-Lund 2007-12-04 23:01:54 +00:00
parent f483f6cfc2
commit d7a45e6c23
3 changed files with 49 additions and 38 deletions
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5
synctracker2.vcproj
View File

@ -116,7 +116,8 @@
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
RuntimeLibrary="2"
RuntimeLibrary="0"
BufferSecurityCheck="false"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="true"
@ -134,6 +135,7 @@
<Tool
Name="VCLinkerTool"
LinkIncremental="1"
GenerateManifest="false"
GenerateDebugInformation="true"
SubSystem="1"
OptimizeReferences="2"
@ -145,6 +147,7 @@
/>
<Tool
Name="VCManifestTool"
EmbedManifest="false"
/>
<Tool
Name="VCXDCMakeTool"

80
trackview.cpp
View File

@ -12,7 +12,7 @@ static const int fontWidth = 6;
static const int trackWidth = fontWidth * 16;
static const int lines = 0x80;
static const int lines = 0x20;
static const int tracks = 16;
TrackView::TrackView(HWND hwnd)
@ -55,19 +55,6 @@ void TrackView::onPaint()
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hwnd, &ps);
SetBkMode(hdc, OPAQUE);
// SetBkColor(hdc, RGB(255, 0, 0));
/*
RECT margin = rect;
margin.left = 0;
margin.right = LeftMarginWidth();
rect.left += LeftMarginWidth();
PaintMargin(hdc, nLineNo, &margin);
*/
paintTracks(hdc, ps.rcPaint);
EndPaint(hwnd, &ps);
@ -137,8 +124,12 @@ void TrackView::paintTracks(HDC hdc, RECT rcTracks)
topMargin.right = topMargin.left + trackWidth;
RECT fillRect = topMargin;
HBRUSH bgBrush = (HBRUSH)GetStockObject(LTGRAY_BRUSH);
if (track == editTrack) bgBrush = editBrush;
DrawEdge(hdc, &fillRect, BDR_RAISEDINNER | BDR_RAISEDOUTER, BF_ADJUST | BF_LEFT | BF_RIGHT | BF_BOTTOM);
FillRect(hdc, &fillRect, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
FillRect(hdc, &fillRect, bgBrush);
/* format the text */
_sntprintf_s(temp, 256, _T("track %d"), track);
@ -176,19 +167,9 @@ void TrackView::paintTracks(HDC hdc, RECT rcTracks)
temp, int(_tcslen(temp))
);
}
/*
RECT bottomMargin;
bottomMargin.top = getScreenY(lines);
bottomMargin.bottom = rcTracks.bottom;
bottomMargin.left = trackLeft;
bottomMargin.right = trackLeft + trackWidth;
DrawEdge(hdc, &bottomMargin, BDR_SUNKENINNER | BDR_RAISEDOUTER, BF_ADJUST | BF_TOP);
FillRect(hdc, &bottomMargin, (HBRUSH)GetStockObject(WHITE_BRUSH));
*/
}
/* pad top margin to the left edge */
RECT topMargin;
topMargin.top = 0;
topMargin.bottom = topMarginHeight;
@ -231,10 +212,10 @@ void TrackView::setupScrollBars()
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL;
si.nPos = scrollPosX;
si.nPage = windowWidth / 2;
si.nPos = editTrack;
si.nPage = windowTracks;
si.nMin = 0;
si.nMax = windowWidth * 2; // 0x80;
si.nMax = tracks - 1 + windowTracks - 1;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
}
@ -314,6 +295,8 @@ void TrackView::setEditTrack(int newEditTrack)
editTrack = min(editTrack, tracks - 1);
RECT trackRect;
/* dirty marker */
trackRect.top = getScreenY(editLine);
trackRect.bottom = trackRect.top + fontHeight;
@ -325,6 +308,27 @@ void TrackView::setEditTrack(int newEditTrack)
trackRect.right = trackRect.left + trackWidth;
InvalidateRect(hwnd, &trackRect, TRUE);
/* dirty track-marker */
trackRect.top = 0;
trackRect.bottom = topMarginHeight;
trackRect.left = getScreenX(oldEditTrack);
trackRect.right = trackRect.left + trackWidth;
InvalidateRect(hwnd, &trackRect, TRUE);
trackRect.left = getScreenX(editTrack);
trackRect.right = trackRect.left + trackWidth;
InvalidateRect(hwnd, &trackRect, TRUE);
if (getScreenX(editTrack) < 0)
{
setScrollPos(scrollPosX - trackWidth, scrollPosY);
}
else if (getScreenX(editTrack) + trackWidth > windowWidth)
{
setScrollPos(scrollPosX + trackWidth, scrollPosY);
}
else setupScrollBars();
}
static int getScrollPos(HWND hwnd, int bar)
@ -370,29 +374,32 @@ void TrackView::onHScroll(UINT sbCode, int newPos)
switch (sbCode)
{
case SB_LEFT:
setScrollPos(0, scrollPosY);
setEditTrack(0);
break;
case SB_RIGHT:
setEditTrack(tracks - 1);
break;
// SB_RIGHT currently missing.
case SB_LINELEFT:
setScrollPos(scrollPosX - fontWidth, scrollPosY);
setEditTrack(editTrack - 1);
break;
case SB_LINERIGHT:
setScrollPos(scrollPosX + fontWidth, scrollPosY);
setEditTrack(editTrack + 1);
break;
case SB_PAGELEFT:
setScrollPos(scrollPosX - 20, scrollPosY);
setEditTrack(editTrack - windowTracks);
break;
case SB_PAGEDOWN:
setScrollPos(scrollPosX + 20, scrollPosY);
setEditTrack(editTrack + windowTracks);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
setScrollPos(getScrollPos(hwnd, SB_HORZ), scrollPosY);
setEditTrack(getScrollPos(hwnd, SB_HORZ));
break;
}
}
@ -420,7 +427,8 @@ void TrackView::onSize(int width, int height)
windowWidth = width;
windowHeight = height;
windowLines = (height - topMarginHeight) / fontHeight;
windowLines = (height - topMarginHeight) / fontHeight;
windowTracks = (width - leftMarginWidth) / trackWidth;
setEditLine(editLine);
setupScrollBars();

2
trackview.h
View File

@ -34,7 +34,7 @@ public:
int scrollPosX, scrollPosY;
int windowWidth, windowHeight;
int windowLines;
int windowLines, windowTracks;
HWND hwnd;