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Split the code to turn x/y LPARAM into a row/column number to its own function. The mouse tracking code will need it.

This commit is contained in:
Pietro Gagliardi 2014-11-19 22:33:18 -05:00
parent d75795f968
commit 031c67e38d
1 changed files with 21 additions and 12 deletions
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33
wintable/main.c
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@ -205,6 +205,26 @@ static intptr_t hitTestColumn(struct table *t, int x)
return -1;
}
static void lParamToRowColumn(struct table *t, LPARAM lParam, intptr_t *row, intptr_t *column)
{
int x, y;
LONG h;
x = GET_X_LPARAM(lParam);
y = GET_Y_LPARAM(lParam);
h = rowHeight(t);
y += t->firstVisible * h;
y -= t->headerHeight;
y /= h;
if (row != NULL) {
*row = y;
if (*row >= t->count)
*row = -1;
}
if (column != NULL)
*column = hitTestColumn(t, x);
}
static void retrack(struct table *t)
{
TRACKMOUSEEVENT tm;
@ -523,21 +543,10 @@ static void keySelect(struct table *t, WPARAM wParam, LPARAM lParam)
static void selectItem(struct table *t, WPARAM wParam, LPARAM lParam)
{
int x, y;
LONG h;
intptr_t prev;
prev = t->selected;
x = GET_X_LPARAM(lParam);
y = GET_Y_LPARAM(lParam);
h = rowHeight(t);
y += t->firstVisible * h;
y -= t->headerHeight;
y /= h;
t->selected = y;
if (t->selected >= t->count)
t->selected = -1;
t->focusedColumn = hitTestColumn(t, x);
lParamToRowColumn(t, lParam, &(t->selected), &(t->focusedColumn));
// TODO only if inside a checkbox
t->mouseDown = TRUE;
t->mouseDownRow = t->selected;