More mouse tracking. This is getting complicated the way I'm doing it...

This commit is contained in:
Pietro Gagliardi 2014-11-19 22:46:25 -05:00
parent 031c67e38d
commit 396d73a634
1 changed files with 25 additions and 8 deletions

View File

@ -85,8 +85,8 @@ struct table {
int checkboxWidth;
int checkboxHeight;
BOOL lastmouse;
int lastmouseX; // unadjusted coordinates
int lastmouseY;
intptr_t lastmouseRow;
intptr_t lastmouseColumn;
BOOL mouseDown; // TRUE if over a checkbox; the next two decide which ones
intptr_t mouseDownRow;
intptr_t mouseDownColumn;
@ -261,6 +261,26 @@ static void addColumn(struct table *t, WPARAM wParam, LPARAM lParam)
redrawAll(t);
}
static void track(struct table *t, LPARAM lParam)
{
intptr_t row, column;
BOOL prev;
intptr_t prevrow, prevcolumn;
// TODO limit all this to if a checkbox is being hovered over
lParamToRowColumn(t, lParam, &row, &column);
prev = t->lastmouse;
prevrow = t->lastmouseRow;
prevcolumn = t->lastmouseColumn;
t->lastmouse = TRUE;
t->lastmouseRow = row;
t->lastmouseColumn = column;
if (prev)
if (prevrow != row || prevcolumn != column)
redrawRow(t, prevrow);
redrawRow(t, t->lastmouseRow);
}
static void hscrollto(struct table *t, intptr_t newpos)
{
SCROLLINFO si;
@ -669,11 +689,11 @@ static void drawItem(struct table *t, HDC dc, intptr_t i, LONG y, LONG height, R
if (i == t->mouseDownRow && j == t->mouseDownColumn)
c = RGB(0, 0, 255);
} else if (t->lastmouse) {
pt.x = t->lastmouseX - t->hpos; // because t->lastmouseX is in client coordinates
/*TODO pt.x = t->lastmouseX - t->hpos; // because t->lastmouseX is in client coordinates
pt.y = t->lastmouseY; // ...but so are the vertical coordinates of rsel
if (PtInRect(&rsel, pt) != 0)
c = RGB(0, 255, 0);
}
*/ }
if (SetDCBrushColor(dc, c) == CLR_INVALID)
abort();
}
@ -841,10 +861,7 @@ if (ImageList_GetIconSize(t->imagelist, &unused, &(t->imagelistHeight)) == 0)abo
return 0;
// TODO other mouse buttons?
case WM_MOUSEMOVE:
t->lastmouse = TRUE;
t->lastmouseX = GET_X_LPARAM(lParam);
t->lastmouseY = GET_Y_LPARAM(lParam);
// TODO redraw row being hovered over
track(t, lParam);
return 0;
case WM_MOUSELEAVE:
t->lastmouse = FALSE;