dummy message
This commit is contained in:
Erik Faye-Lund
parent
25c63c6e04
commit
084c0805c0
328
synctracker2.cpp
328
synctracker2.cpp
@ -4,340 +4,32 @@
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#include "stdafx.h"
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#include <windows.h>
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const _TCHAR windowClassName[] = _T("myWindowClass");
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#include "trackview.h"
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const int topMarginHeight = 20;
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const int leftMarginWidth = 70;
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const char *windowClassName = "test";
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TrackView trackView;
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const int fontHeight = 16;
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const int fontWidth = 12;
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const int lines = 0x80;
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const int tracks = 16;
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int scrollPosX;
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int scrollPosY;
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int windowWidth;
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int windowHeight;
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int windowLines;
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void setupScrollBars(HWND hwnd)
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{
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SCROLLINFO si = { sizeof(si) };
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si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL;
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si.nPos = scrollPosY;
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si.nPage = windowLines;
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si.nMin = 0;
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si.nMax = lines - 1;
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SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
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si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL;
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si.nPos = scrollPosX;
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si.nPage = windowWidth;
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si.nMin = 0;
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si.nMax = windowWidth * 2; // 0x80;
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SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
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}
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void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY)
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{
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const int oldScrollPosX = scrollPosX;
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const int oldScrollPosY = scrollPosY;
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// update scrollPos
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scrollPosX = newScrollPosX;
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scrollPosY = newScrollPosY;
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// clamp scrollPos
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scrollPosX = max(scrollPosX, 0);
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scrollPosY = max(scrollPosY, 0);
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scrollPosY = min(scrollPosY, (lines - 1) - windowLines);
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if (oldScrollPosX != scrollPosX || oldScrollPosY != scrollPosY)
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{
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int scrollX = oldScrollPosX - scrollPosX;
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int scrollY = (oldScrollPosY - scrollPosY) * fontHeight;
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RECT clip;
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GetClientRect(hwnd, &clip);
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if (scrollX == 0) clip.top = topMarginHeight; /* don't scroll the top line */
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if (scrollY == 0) clip.left = leftMarginWidth; /* don't scroll the top line */
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ScrollWindowEx(
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hwnd,
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scrollX,
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scrollY,
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NULL,
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&clip,
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NULL,
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NULL,
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SW_INVALIDATE
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);
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setupScrollBars(hwnd);
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}
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}
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void paintTracks(HDC hdc, RECT rcTracks)
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{
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char temp[256];
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int firstLine = max((rcTracks.top - topMarginHeight) / fontHeight, 0);
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int lastLine = scrollPosY + ((rcTracks.bottom - topMarginHeight) + (fontHeight - 1)) / fontHeight;
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lastLine = min(lastLine, lines);
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SetBkMode(hdc, TRANSPARENT);
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for (int y = firstLine; y < lastLine; ++y)
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{
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RECT leftMargin;
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leftMargin.left = 0;
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leftMargin.right = leftMarginWidth;
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leftMargin.top = topMarginHeight + (y - scrollPosY) * fontHeight;
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leftMargin.bottom = leftMargin.top + fontHeight;
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FillRect(hdc, &leftMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
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if ((y % 16) == 0) SetTextColor(hdc, RGB(0, 0, 0));
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else if ((y % 8) == 0) SetTextColor(hdc, RGB(32, 32, 32));
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else if ((y % 4) == 0) SetTextColor(hdc, RGB(64, 64, 64));
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else SetTextColor(hdc, RGB(128, 128, 128));
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_snprintf_s(temp, 256, "%04Xh", y);
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TextOut(hdc,
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leftMargin.left, leftMargin.top,
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temp, int(strlen(temp))
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);
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ExcludeClipRect(hdc, leftMargin.left, leftMargin.top, leftMargin.right, leftMargin.bottom);
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}
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SetTextColor(hdc, RGB(0, 0, 0));
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int trackLeft = leftMarginWidth - scrollPosX;
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for (int x = 0; x < tracks; ++x)
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{
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int trackWidth = fontWidth * 5;
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RECT topMargin;
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topMargin.top = 0;
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topMargin.bottom = topMarginHeight;
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topMargin.left = trackLeft;
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topMargin.right = trackLeft + trackWidth;
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FillRect( hdc, &topMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
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/* format the text */
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_snprintf_s(temp, 256, "track %d", x);
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TextOut(hdc,
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topMargin.left, 0,
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temp, int(strlen(temp))
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);
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ExcludeClipRect(hdc, topMargin.left, topMargin.top, topMargin.right, topMargin.bottom);
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// SetBkColor(hdc, RGB(255, 0, 0));
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int trackTop = topMarginHeight + (firstLine - scrollPosY) * fontHeight;
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for (int y = firstLine; y < lastLine; ++y)
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{
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RECT patternDataRect;
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patternDataRect.left = trackLeft;
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patternDataRect.right = trackLeft + trackWidth;
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patternDataRect.top = trackTop;
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patternDataRect.bottom = patternDataRect.top + fontHeight;
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FillRect( hdc, &patternDataRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
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bool key = (y % 8 == 0);
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float val = (float(y) / 16);
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/* format the text */
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if (!key) _snprintf_s(temp, 256, " - - -");
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else _snprintf_s(temp, 256, "%2.2f", val);
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TextOut(hdc,
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trackLeft, trackTop,
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temp, int(strlen(temp))
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);
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trackTop += fontHeight;
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}
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RECT bottomMargin;
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bottomMargin.top = trackTop;
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bottomMargin.bottom = rcTracks.bottom;
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bottomMargin.left = trackLeft;
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bottomMargin.right = trackLeft + trackWidth;
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FillRect( hdc, &bottomMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
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trackLeft += trackWidth;
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}
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/* pad top margin to the left edge */
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RECT topMargin;
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topMargin.top = 0;
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topMargin.bottom = topMarginHeight;
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topMargin.left = trackLeft;
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topMargin.right = rcTracks.right;
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FillRect( hdc, &topMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
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/* right margin */
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RECT rightMargin;
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rightMargin.top = topMarginHeight;
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rightMargin.bottom = rcTracks.bottom;
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rightMargin.left = trackLeft;
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rightMargin.right = rcTracks.right;
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FillRect( hdc, &rightMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
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}
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void paintWindow(HWND hwnd)
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hwnd, &ps);
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SetBkMode(hdc, OPAQUE);
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// SetBkColor(hdc, RGB(255, 0, 0));
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/*
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RECT margin = rect;
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margin.left = 0;
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margin.right = LeftMarginWidth();
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rect.left += LeftMarginWidth();
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PaintMargin(hdc, nLineNo, &margin);
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*/
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paintTracks(hdc, ps.rcPaint);
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EndPaint(hwnd, &ps);
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}
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void onCreate(HWND hwnd)
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{
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scrollPosX = 0;
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scrollPosY = 0;
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windowWidth = -1;
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windowHeight = -1;
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setupScrollBars(hwnd);
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}
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int getScrollPos(HWND hwnd, int bar)
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static int getScrollPos(HWND hwnd, int bar)
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{
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SCROLLINFO si = { sizeof(si), SIF_TRACKPOS };
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GetScrollInfo(hwnd, bar, &si);
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return int(si.nTrackPos);
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}
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void onVScroll(HWND hwnd, UINT sbCode, int newPos)
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{
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switch (sbCode)
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{
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case SB_TOP:
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setScrollPos(hwnd, scrollPosX, 0);
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break;
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case SB_LINEUP:
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setScrollPos(hwnd, scrollPosX, scrollPosY - 1);
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break;
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case SB_LINEDOWN:
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setScrollPos(hwnd, scrollPosX, scrollPosY + 1);
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break;
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case SB_PAGEUP:
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setScrollPos(hwnd, scrollPosX, scrollPosY - windowLines);
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break;
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case SB_PAGEDOWN:
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setScrollPos(hwnd, scrollPosX, scrollPosY + windowLines);
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break;
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case SB_THUMBPOSITION:
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case SB_THUMBTRACK:
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setScrollPos(hwnd, scrollPosX, getScrollPos(hwnd, SB_VERT));
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break;
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}
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}
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void onHScroll(HWND hwnd, UINT sbCode, int newPos)
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{
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switch (sbCode)
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{
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case SB_LEFT:
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setScrollPos(hwnd, 0, scrollPosY);
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break;
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// SB_RIGHT currently missing.
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case SB_LINELEFT:
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setScrollPos(hwnd, scrollPosX - fontWidth, scrollPosY);
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break;
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case SB_LINERIGHT:
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setScrollPos(hwnd, scrollPosX + fontWidth, scrollPosY);
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break;
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case SB_PAGELEFT:
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setScrollPos(hwnd, scrollPosX - 20, scrollPosY);
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break;
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case SB_PAGEDOWN:
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setScrollPos(hwnd, scrollPosX + 20, scrollPosY);
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break;
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case SB_THUMBPOSITION:
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case SB_THUMBTRACK:
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setScrollPos(hwnd, getScrollPos(hwnd, SB_HORZ), scrollPosY);
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break;
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}
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}
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void onSize(HWND hwnd, int width, int height)
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{
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const int oldWindowWidth = windowWidth;
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const int oldWindowHeight = windowHeight;
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windowWidth = width;
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windowHeight = height;
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windowLines = (height - topMarginHeight) / fontHeight;
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// windowLines = min((height - topMarginHeight) / fontHeight, lines);
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setupScrollBars(hwnd);
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}
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void onPaint(HWND hwnd)
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{
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paintWindow(hwnd);
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}
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LRESULT CALLBACK windowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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switch(msg)
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{
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case WM_CREATE:
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onCreate(hwnd);
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trackView.onCreate(hwnd);
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break;
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case WM_SIZE:
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onSize(hwnd, LOWORD(lParam), HIWORD(lParam));
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trackView.onSize(hwnd, LOWORD(lParam), HIWORD(lParam));
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break;
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case WM_GETMINMAXINFO:
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{
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RECT rect;
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rect.left = 0;
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rect.top = 0;
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rect.right = leftMarginWidth;
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rect.bottom = topMarginHeight;
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AdjustWindowRectEx(&rect, WS_VSCROLL | WS_HSCROLL | WS_OVERLAPPEDWINDOW, FALSE, WS_EX_CLIENTEDGE);
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MINMAXINFO *mm=(MINMAXINFO*)lParam;
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mm->ptMinTrackSize.x = rect.right;
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mm->ptMinTrackSize.y = rect.bottom - rect.top;
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}
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trackView.onGetMinMaxInfo((MINMAXINFO*)lParam);
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break;
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case WM_CLOSE:
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@ -349,15 +41,15 @@ LRESULT CALLBACK windowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
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break;
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case WM_VSCROLL:
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onVScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_VERT));
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trackView.onVScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_VERT));
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break;
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case WM_HSCROLL:
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onHScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_HORZ));
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trackView.onHScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_HORZ));
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break;
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case WM_PAINT:
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onPaint(hwnd);
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trackView.onPaint(hwnd);
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break;
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default:
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@ -2,6 +2,15 @@
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#include "trackview.h"
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static const int topMarginHeight = 20;
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static const int leftMarginWidth = 70;
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static const int fontHeight = 16;
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static const int fontWidth = 12;
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static const int lines = 0x80;
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static const int tracks = 16;
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void TrackView::onCreate(HWND hwnd)
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{
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scrollPosX = 0;
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@ -273,6 +282,19 @@ void TrackView::onHScroll(HWND hwnd, UINT sbCode, int newPos)
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}
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}
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void TrackView::onGetMinMaxInfo(MINMAXINFO *mm)
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{
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RECT rect;
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rect.left = 0;
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rect.top = 0;
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rect.right = leftMarginWidth;
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rect.bottom = topMarginHeight;
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AdjustWindowRectEx(&rect, WS_VSCROLL | WS_HSCROLL | WS_OVERLAPPEDWINDOW, FALSE, WS_EX_CLIENTEDGE);
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mm->ptMinTrackSize.x = rect.right;
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mm->ptMinTrackSize.y = rect.bottom - rect.top;
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}
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void TrackView::onSize(HWND hwnd, int width, int height)
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{
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const int oldWindowWidth = windowWidth;
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12
trackview.h
12
trackview.h
@ -9,20 +9,14 @@ public:
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void onVScroll(HWND hwnd, UINT sbCode, int newPos);
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void onHScroll(HWND hwnd, UINT sbCode, int newPos);
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void onSize(HWND hwnd, int width, int height);
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void onGetMinMaxInfo(MINMAXINFO *mm);
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void paintTracks(HDC hdc, RECT rcTracks);
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void setupScrollBars(HWND hwnd);
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void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY);
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int tracks;
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int lines;
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int topMarginHeight, leftMarginWidth;
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int fontHeight, fontWidth;
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int scrollPosX, scrollPosY;
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int windowWidth, windowHeight;
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int windowLines;
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};
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