/*
* InventoryDialogProc: Dialog procedure for inventory modeless dialog.
*/
BOOL CALLBACK InventoryDialogProc(HWND hwnd, UINT message, UINT wParam, LONG lParam)
{
switch (message)
{
case WM_INITDIALOG:
ShowWindow(hwnd, SW_HIDE);
return FALSE;
case WM_ERASEBKGND:
return 1;
HANDLE_MSG(hwnd, WM_VSCROLL, InventoryVScroll);
case WM_DRAWITEM:
InventoryRedraw();
return TRUE;
case WM_ACTIVATE:
if (wParam == 0)
*cinfo->hCurrentDlg = NULL;
else *cinfo->hCurrentDlg = hwnd;
return TRUE;
// case WM_CTLCOLORSCROLLBAR: // ajw
// return (BOOL)hbrushScrollBack;
}
return FALSE;
}
/*
* InventoryMoveCurrentItem: Move the item with the inventory cursor, if any.
* Return True iff item moved.
*/
Bool InventoryMoveCurrentItem(int x, int y)
{
int row, col;
InvItem *item, *drop_position;
item = InventoryGetCurrentItem();
if (item == NULL)
return False;
// Find row and col in absolute coordinates
col = x / INVENTORY_BOX_WIDTH;
row = top_row + y / INVENTORY_BOX_HEIGHT;
drop_position = (InvItem *) list_nth_item(items, row * cols + col);
if (drop_position == NULL)
return False;
if (item->obj->id == drop_position->obj->id)
return False;
items = list_move_to_nth(items,(void *)item->obj->id,(void *)drop_position->obj->id,InventoryCompareIdItem);
InventoryRedraw();
RequestInventoryMove(item->obj->id, drop_position->obj->id);
return True;
}
/*
* InventoryRemoveItem: Remove the object with the given id from the
* inventory display.
*/
void InventoryRemoveItem(ID id)
{
InvItem *item;
WindowBeginUpdate(hwndInv);
item = (InvItem *) list_find_item(items, (void *) id, InventoryCompareIdItem);
if (item == NULL)
{
debug(("Tried to remove nonexistent object %ld from inventory list", id));
return;
}
items = list_delete_item(items, (void *) id, InventoryCompareIdItem);
// Object itself freed elsewhere
SafeFree(item);
num_items--;
InventoryScrollRange();
/* See if we should remove scroll bar */
if (num_items == rows * cols)
{
InventoryDisplayScrollbar();
top_row = 0;
}
WindowEndUpdate(hwndInv);
InventoryRedraw();
}
/*
* InventoryVScroll: User did something with inventory scroll bar.
*/
void InventoryVScroll(HWND hwnd, HWND hwndCtl, UINT code, int pos)
{
int new_top; // New top row index
switch (code)
{
case SB_LINEUP:
new_top = top_row - 1;
break;
case SB_LINEDOWN:
new_top = top_row + 1;
break;
case SB_PAGEUP:
new_top = top_row - rows;
break;
case SB_PAGEDOWN:
new_top = top_row + rows;
break;
case SB_THUMBPOSITION:
new_top = pos;
break;
case SB_THUMBTRACK:
new_top = pos;
break;
case SB_BOTTOM:
new_top = (num_items + cols - 1) / cols - rows;
break;
case SB_TOP:
new_top = 0;
break;
default:
// Pointless "SB_ENDSCROLL" added recently
return;
}
new_top = max(new_top, 0);
new_top = min(new_top, (num_items + cols - 1) / cols - rows);
if (new_top != top_row)
{
top_row = new_top;
InventoryRedraw();
SetScrollPos(hwndInvScroll, SB_CTL, top_row, TRUE);
}
}
/*
* InterfaceRedrawModule: Called when main window needs to be redrawn.
*/
void InterfaceRedrawModule(HDC hdc)
{
UserAreaRedraw();
InterfaceDrawElements(hdc);
StatsDrawBorder();
StatsMainRedraw();
StatsDraw();
if( StatsGetCurrentGroup() == STATS_INVENTORY )
{
InvalidateRect( GetHwndInv(), NULL, FALSE );
ShowInventory(TRUE);
InventoryRedraw();
}
}
/*
* InventoryCursorMove: User requests the given cursor movement action.
* Move cursor.
*/
void InventoryCursorMove(int action)
{
int dx = 0, dy = 0;
int old_row, old_col, new_row, new_col;
InvItem *item;
switch (action)
{
case A_CURSORUP:
dy = -1;
break;
case A_CURSORDOWN:
dy = +1;
break;
case A_CURSORLEFT:
dx = -1;
break;
case A_CURSORRIGHT:
dx = +1;
break;
case A_CURSORUPLEFT:
dx = -1;
dy = -1;
break;
case A_CURSORUPRIGHT:
dx = +1;
dy = -1;
break;
case A_CURSORDOWNLEFT:
dx = -1;
dy = +1;
break;
case A_CURSORDOWNRIGHT:
dx = +1;
dy = +1;
break;
default:
return;
}
new_col = (cursor_col + dx) % cols;
if (new_col < 0)
new_col += cols;
new_row = max(0, cursor_row + dy);
// See if we're going off end of inventory
if (new_row * cols + new_col >= num_items)
return;
old_row = cursor_row;
old_col = cursor_col;
cursor_col = new_col;
cursor_row = new_row;
// Scroll inventory if necessary
if (!InventoryItemVisible(cursor_row, cursor_col))
{
top_row += dy;
InventoryRedraw();
SetScrollPos(hwndInvScroll, SB_CTL, top_row, TRUE);
}
else // Otherwise, redraw cursor to show movement
{
item = (InvItem *) list_nth_item(items, old_row * cols + old_col);
if (item != NULL)
InventoryDrawSingleItem(item, old_row - top_row, old_col);
item = (InvItem *) list_nth_item(items, cursor_row * cols + cursor_col);
if (item != NULL)
InventoryDrawSingleItem(item, cursor_row - top_row, cursor_col);
}
}
/*
* InventoryDrawItem: Handle WM_DRAWITEM messages for inventory.
*/
Bool InventoryDrawItem(HWND hwnd, const DRAWITEMSTRUCT *lpdis)
{
InventoryRedraw();
return True;
}
