BColumnTitle *
BTitleView::FindColumnTitle(const BColumn *column) const
{
int32 count = fTitleList.CountItems();
for (int32 index = 0; index < count; index++) {
BColumnTitle *title = fTitleList.ItemAt(index);
if (title->Column() == column)
return title;
}
return NULL;
}
void
BTitleView::RemoveTitle(BColumn *column)
{
int32 count = fTitleList.CountItems();
for (int32 index = 0; index < count; index++) {
BColumnTitle *title = fTitleList.ItemAt(index);
if (title->Column() == column) {
fTitleList.RemoveItem(title);
break;
}
}
Invalidate();
}
// ToDo:
// Autoscroll when dragging column left/right
// fix dragging back a column before the first column (now adds as last)
// make column swaps/adds not invalidate/redraw columns to the left
void
ColumnDragState::Moved(BPoint where, uint32)
{
// figure out where we are with the mouse
BRect titleBounds(fTitleView->Bounds());
bool overTitleView = titleBounds.Contains(where);
BColumnTitle *overTitle = overTitleView
? fTitleView->FindColumnTitle(where) : 0;
BRect titleBoundsWithMargin(titleBounds);
titleBoundsWithMargin.InsetBy(0, -kRemoveTitleMargin);
bool inMarginRect = overTitleView || titleBoundsWithMargin.Contains(where);
bool drawOutline = false;
bool undrawOutline = false;
if (fTrackingRemovedColumn) {
if (overTitleView) {
// tracked back with a removed title into the title bar, add it
// back
fTitleView->EndRectTracking();
fColumnArchive.Seek(0, SEEK_SET);
BColumn *column = BColumn::InstantiateFromStream(&fColumnArchive);
ASSERT(column);
const BColumn *after = NULL;
if (overTitle)
after = overTitle->Column();
fTitleView->PoseView()->AddColumn(column, after);
fTrackingRemovedColumn = false;
fTitle = fTitleView->FindColumnTitle(column);
fInitialMouseTrackOffset += fTitle->Bounds().left;
drawOutline = true;
}
} else {
if (!inMarginRect) {
// dragged a title out of the hysteresis margin around the
// title bar - remove it and start dragging it as a dotted outline
BRect rect(fTitle->Bounds());
rect.OffsetBy(where.x - fInitialMouseTrackOffset, where.y - 5);
fColumnArchive.Seek(0, SEEK_SET);
fTitle->Column()->ArchiveToStream(&fColumnArchive);
fInitialMouseTrackOffset -= fTitle->Bounds().left;
if (fTitleView->PoseView()->RemoveColumn(fTitle->Column(), false)) {
fTitle = 0;
fTitleView->BeginRectTracking(rect);
fTrackingRemovedColumn = true;
undrawOutline = true;
}
} else if (overTitle && overTitle != fTitle
// over a different column
&& (overTitle->Bounds().left >= fTitle->Bounds().right
// over the one to the right
|| where.x < overTitle->Bounds().left + fTitle->Bounds().Width())){
// over the one to the left, far enough to not snap right back
BColumn *column = fTitle->Column();
fInitialMouseTrackOffset -= fTitle->Bounds().left;
// swap the columns
fTitleView->PoseView()->MoveColumnTo(column, overTitle->Column());
// re-grab the title object looking it up by the column
fTitle = fTitleView->FindColumnTitle(column);
// recalc initialMouseTrackOffset
fInitialMouseTrackOffset += fTitle->Bounds().left;
drawOutline = true;
} else
drawOutline = true;
}
if (drawOutline)
DrawOutline(where.x - fInitialMouseTrackOffset);
else if (undrawOutline)
UndrawOutline();
}
void
BTitleView::MouseDown(BPoint where)
{
if (!Window()->IsActive()) {
// wasn't active, just activate and bail
Window()->Activate();
return;
}
// finish any pending edits
fPoseView->CommitActivePose();
BColumnTitle *title = FindColumnTitle(where);
BColumnTitle *resizedTitle = InColumnResizeArea(where);
uint32 buttons;
GetMouse(&where, &buttons);
// Check if the user clicked the secondary mouse button.
// if so, display the attribute menu:
if (buttons & B_SECONDARY_MOUSE_BUTTON) {
BContainerWindow *window = dynamic_cast<BContainerWindow *>
(Window());
BPopUpMenu *menu = new BPopUpMenu("Attributes", false, false);
menu->SetFont(be_plain_font);
window->NewAttributeMenu(menu);
window->AddMimeTypesToMenu(menu);
window->MarkAttributeMenu(menu);
menu->SetTargetForItems(window->PoseView());
menu->Go(ConvertToScreen(where), true, false);
return;
}
bigtime_t doubleClickSpeed;
get_click_speed(&doubleClickSpeed);
if (resizedTitle) {
bool force = static_cast<bool>(buttons & B_TERTIARY_MOUSE_BUTTON);
if (force || buttons & B_PRIMARY_MOUSE_BUTTON) {
if (force || fPreviouslyClickedColumnTitle != 0) {
if (force || system_time() - fPreviousLeftClickTime < doubleClickSpeed) {
if (fPoseView->ResizeColumnToWidest(resizedTitle->Column())) {
Invalidate();
return;
}
}
}
fPreviousLeftClickTime = system_time();
fPreviouslyClickedColumnTitle = resizedTitle;
}
} else if (!title)
return;
SetMouseEventMask(B_POINTER_EVENTS, B_NO_POINTER_HISTORY | B_LOCK_WINDOW_FOCUS);
// track the mouse
if (resizedTitle) {
fTrackingState = new ColumnResizeState(this, resizedTitle, where,
system_time() + doubleClickSpeed);
} else {
fTrackingState = new ColumnDragState(this, title, where,
system_time() + doubleClickSpeed);
}
}