interesting
/
andlabs-ui
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Implemented vertical scrolling on selection changes.

This commit is contained in:
Pietro Gagliardi 2014-12-14 11:09:59 -05:00
parent cb7404cf8b
commit f56ae488f0
2 changed files with 25 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
wintable/new/main.c
View File

@ -71,11 +71,11 @@ struct table {
#include "util.h"
#include "coord.h"
#include "select.h"
#include "events.h"
#include "scroll.h"
#include "hscroll.h"
#include "vscroll.h"
#include "select.h"
#include "events.h"
#include "header.h"
#include "children.h"
#include "resize.h"

26
wintable/new/select.h
View File

@ -6,18 +6,38 @@ static void doselect(struct table *t, intptr_t row, intptr_t column)
RECT r, client;
intptr_t oldrow;
LONG height;
struct rowcol rc;
BOOL dovscroll;
oldrow = t->selectedRow;
t->selectedRow = row;
t->selectedColumn = column;
// TODO scroll to ensure the full cell is visible
// now redraw the old and new /rows/
if (GetClientRect(t->hwnd, &client) == 0)
panic("error getting Table client rect in doselect()");
client.top += t->headerHeight;
height = rowht(t);
// first vertically scroll to the new row to make it fully visible (or as visible as possible)
if (t->selectedRow < t->vscrollpos)
vscrollto(t, t->selectedRow);
else {
rc.row = t->selectedRow;
rc.column = t->selectedColumn;
// first assume entirely outside the client area
dovscroll = TRUE;
if (rowColumnToClientRect(t, rc, &r))
// partially outside the client area?
if (r.bottom <= client.bottom) // <= here since we are comparing bottoms (which are the first pixels outside the rectangle)
dovscroll = FALSE;
if (dovscroll)
vscrollto(t, t->selectedRow - t->vpagesize + 1); // + 1 because apparently just t->selectedRow - t->vpagesize results in no scrolling (t->selectedRow - t->vpagesize == t->vscrollpos)...
}
// TODO horizontal scroll
// now redraw the old and new /rows/
// we do this after scrolling so the rectangles to be invalidated make sense
r.left = client.left;
r.right = client.right;
if (oldrow != -1 && oldrow >= t->vscrollpos) {