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This commit is contained in:
Erik Faye-Lund 2007-12-01 13:12:45 +00:00
parent 25c63c6e04
commit 084c0805c0
3 changed files with 35 additions and 327 deletions
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328
synctracker2.cpp
View File

@ -4,340 +4,32 @@
#include "stdafx.h" #include "stdafx.h"
#include <windows.h> #include <windows.h>
const _TCHAR windowClassName[] = _T("myWindowClass"); #include "trackview.h"
const int topMarginHeight = 20; const char *windowClassName = "test";
const int leftMarginWidth = 70; TrackView trackView;
const int fontHeight = 16; static int getScrollPos(HWND hwnd, int bar)
const int fontWidth = 12;
const int lines = 0x80;
const int tracks = 16;
int scrollPosX;
int scrollPosY;
int windowWidth;
int windowHeight;
int windowLines;
void setupScrollBars(HWND hwnd)
{
SCROLLINFO si = { sizeof(si) };
si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL;
si.nPos = scrollPosY;
si.nPage = windowLines;
si.nMin = 0;
si.nMax = lines - 1;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL;
si.nPos = scrollPosX;
si.nPage = windowWidth;
si.nMin = 0;
si.nMax = windowWidth * 2; // 0x80;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
}
void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY)
{
const int oldScrollPosX = scrollPosX;
const int oldScrollPosY = scrollPosY;
// update scrollPos
scrollPosX = newScrollPosX;
scrollPosY = newScrollPosY;
// clamp scrollPos
scrollPosX = max(scrollPosX, 0);
scrollPosY = max(scrollPosY, 0);
scrollPosY = min(scrollPosY, (lines - 1) - windowLines);
if (oldScrollPosX != scrollPosX || oldScrollPosY != scrollPosY)
{
int scrollX = oldScrollPosX - scrollPosX;
int scrollY = (oldScrollPosY - scrollPosY) * fontHeight;
RECT clip;
GetClientRect(hwnd, &clip);
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,
scrollX,
scrollY,
NULL,
&clip,
NULL,
NULL,
SW_INVALIDATE
);
setupScrollBars(hwnd);
}
}
void paintTracks(HDC hdc, RECT rcTracks)
{
char temp[256];
int firstLine = max((rcTracks.top - topMarginHeight) / fontHeight, 0);
int lastLine = scrollPosY + ((rcTracks.bottom - topMarginHeight) + (fontHeight - 1)) / fontHeight;
lastLine = min(lastLine, lines);
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));
if ((y % 16) == 0) SetTextColor(hdc, RGB(0, 0, 0));
else if ((y % 8) == 0) SetTextColor(hdc, RGB(32, 32, 32));
else if ((y % 4) == 0) SetTextColor(hdc, RGB(64, 64, 64));
else SetTextColor(hdc, RGB(128, 128, 128));
_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);
}
SetTextColor(hdc, RGB(0, 0, 0));
int trackLeft = leftMarginWidth - scrollPosX;
for (int x = 0; x < tracks; ++x)
{
int trackWidth = fontWidth * 5;
RECT topMargin;
topMargin.top = 0;
topMargin.bottom = topMarginHeight;
topMargin.left = trackLeft;
topMargin.right = trackLeft + trackWidth;
FillRect( hdc, &topMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
/* format the text */
_snprintf_s(temp, 256, "track %d", x);
TextOut(hdc,
topMargin.left, 0,
temp, int(strlen(temp))
);
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)
{
RECT patternDataRect;
patternDataRect.left = trackLeft;
patternDataRect.right = trackLeft + trackWidth;
patternDataRect.top = trackTop;
patternDataRect.bottom = patternDataRect.top + fontHeight;
FillRect( hdc, &patternDataRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
bool key = (y % 8 == 0);
float val = (float(y) / 16);
/* format the text */
if (!key) _snprintf_s(temp, 256, " - - -");
else _snprintf_s(temp, 256, "%2.2f", val);
TextOut(hdc,
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;
}
/* pad top margin to the left edge */
RECT topMargin;
topMargin.top = 0;
topMargin.bottom = topMarginHeight;
topMargin.left = trackLeft;
topMargin.right = rcTracks.right;
FillRect( hdc, &topMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
/* right margin */
RECT rightMargin;
rightMargin.top = topMarginHeight;
rightMargin.bottom = rcTracks.bottom;
rightMargin.left = trackLeft;
rightMargin.right = rcTracks.right;
FillRect( hdc, &rightMargin, (HBRUSH)GetStockObject(LTGRAY_BRUSH));
}
void paintWindow(HWND hwnd)
{
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);
}
void onCreate(HWND hwnd)
{
scrollPosX = 0;
scrollPosY = 0;
windowWidth = -1;
windowHeight = -1;
setupScrollBars(hwnd);
}
int getScrollPos(HWND hwnd, int bar)
{ {
SCROLLINFO si = { sizeof(si), SIF_TRACKPOS }; SCROLLINFO si = { sizeof(si), SIF_TRACKPOS };
GetScrollInfo(hwnd, bar, &si); GetScrollInfo(hwnd, bar, &si);
return int(si.nTrackPos); return int(si.nTrackPos);
} }
void onVScroll(HWND hwnd, UINT sbCode, int newPos)
{
switch (sbCode)
{
case SB_TOP:
setScrollPos(hwnd, scrollPosX, 0);
break;
case SB_LINEUP:
setScrollPos(hwnd, scrollPosX, scrollPosY - 1);
break;
case SB_LINEDOWN:
setScrollPos(hwnd, scrollPosX, scrollPosY + 1);
break;
case SB_PAGEUP:
setScrollPos(hwnd, scrollPosX, scrollPosY - windowLines);
break;
case SB_PAGEDOWN:
setScrollPos(hwnd, scrollPosX, scrollPosY + windowLines);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
setScrollPos(hwnd, scrollPosX, getScrollPos(hwnd, SB_VERT));
break;
}
}
void onHScroll(HWND hwnd, UINT sbCode, int newPos)
{
switch (sbCode)
{
case SB_LEFT:
setScrollPos(hwnd, 0, scrollPosY);
break;
// SB_RIGHT currently missing.
case SB_LINELEFT:
setScrollPos(hwnd, scrollPosX - fontWidth, scrollPosY);
break;
case SB_LINERIGHT:
setScrollPos(hwnd, scrollPosX + fontWidth, scrollPosY);
break;
case SB_PAGELEFT:
setScrollPos(hwnd, scrollPosX - 20, scrollPosY);
break;
case SB_PAGEDOWN:
setScrollPos(hwnd, scrollPosX + 20, scrollPosY);
break;
case SB_THUMBPOSITION:
case SB_THUMBTRACK:
setScrollPos(hwnd, getScrollPos(hwnd, SB_HORZ), scrollPosY);
break;
}
}
void onSize(HWND hwnd, int width, int height)
{
const int oldWindowWidth = windowWidth;
const int oldWindowHeight = windowHeight;
windowWidth = width;
windowHeight = height;
windowLines = (height - topMarginHeight) / fontHeight;
// windowLines = min((height - topMarginHeight) / fontHeight, lines);
setupScrollBars(hwnd);
}
void onPaint(HWND hwnd)
{
paintWindow(hwnd);
}
LRESULT CALLBACK windowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) LRESULT CALLBACK windowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{ {
switch(msg) switch(msg)
{ {
case WM_CREATE: case WM_CREATE:
onCreate(hwnd); trackView.onCreate(hwnd);
break; break;
case WM_SIZE: case WM_SIZE:
onSize(hwnd, LOWORD(lParam), HIWORD(lParam)); trackView.onSize(hwnd, LOWORD(lParam), HIWORD(lParam));
break; break;
case WM_GETMINMAXINFO: case WM_GETMINMAXINFO:
{ trackView.onGetMinMaxInfo((MINMAXINFO*)lParam);
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = leftMarginWidth;
rect.bottom = topMarginHeight;
AdjustWindowRectEx(&rect, WS_VSCROLL | WS_HSCROLL | WS_OVERLAPPEDWINDOW, FALSE, WS_EX_CLIENTEDGE);
MINMAXINFO *mm=(MINMAXINFO*)lParam;
mm->ptMinTrackSize.x = rect.right;
mm->ptMinTrackSize.y = rect.bottom - rect.top;
}
break; break;
case WM_CLOSE: case WM_CLOSE:
@ -349,15 +41,15 @@ LRESULT CALLBACK windowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
break; break;
case WM_VSCROLL: case WM_VSCROLL:
onVScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_VERT)); trackView.onVScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_VERT));
break; break;
case WM_HSCROLL: case WM_HSCROLL:
onHScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_HORZ)); trackView.onHScroll(hwnd, LOWORD(wParam), getScrollPos(hwnd, SB_HORZ));
break; break;
case WM_PAINT: case WM_PAINT:
onPaint(hwnd); trackView.onPaint(hwnd);
break; break;
default: default:

22
trackview.cpp
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@ -2,6 +2,15 @@
#include "trackview.h" #include "trackview.h"
static const int topMarginHeight = 20;
static const int leftMarginWidth = 70;
static const int fontHeight = 16;
static const int fontWidth = 12;
static const int lines = 0x80;
static const int tracks = 16;
void TrackView::onCreate(HWND hwnd) void TrackView::onCreate(HWND hwnd)
{ {
scrollPosX = 0; scrollPosX = 0;
@ -273,6 +282,19 @@ void TrackView::onHScroll(HWND hwnd, UINT sbCode, int newPos)
} }
} }
void TrackView::onGetMinMaxInfo(MINMAXINFO *mm)
{
RECT rect;
rect.left = 0;
rect.top = 0;
rect.right = leftMarginWidth;
rect.bottom = topMarginHeight;
AdjustWindowRectEx(&rect, WS_VSCROLL | WS_HSCROLL | WS_OVERLAPPEDWINDOW, FALSE, WS_EX_CLIENTEDGE);
mm->ptMinTrackSize.x = rect.right;
mm->ptMinTrackSize.y = rect.bottom - rect.top;
}
void TrackView::onSize(HWND hwnd, int width, int height) void TrackView::onSize(HWND hwnd, int width, int height)
{ {
const int oldWindowWidth = windowWidth; const int oldWindowWidth = windowWidth;

12
trackview.h
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@ -9,20 +9,14 @@ public:
void onVScroll(HWND hwnd, UINT sbCode, int newPos); void onVScroll(HWND hwnd, UINT sbCode, int newPos);
void onHScroll(HWND hwnd, UINT sbCode, int newPos); void onHScroll(HWND hwnd, UINT sbCode, int newPos);
void onSize(HWND hwnd, int width, int height); void onSize(HWND hwnd, int width, int height);
void onGetMinMaxInfo(MINMAXINFO *mm);
void paintTracks(HDC hdc, RECT rcTracks); void paintTracks(HDC hdc, RECT rcTracks);
void setupScrollBars(HWND hwnd); void setupScrollBars(HWND hwnd);
void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY); void setScrollPos(HWND hwnd, int newScrollPosX, int newScrollPosY);
int tracks;
int lines;
int topMarginHeight, leftMarginWidth;
int fontHeight, fontWidth;
int scrollPosX, scrollPosY; int scrollPosX, scrollPosY;
int windowWidth, windowHeight; int windowWidth, windowHeight;
int windowLines; int windowLines;
}; };