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LibGUI: Move most of mouse event handling to GAbstractView

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This deduplicates existing code, and also gives all the model-backed widgets
selection manipulation and drag support for free :^)
This commit is contained in:
Sergey Bugaev 2020-01-22 21:12:05 +03:00 • committed by Andreas Kling
parent fd11c96e8e
commit d3ce7ae0e3
9 changed files with 197 additions and 185 deletions
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40
Libraries/LibGUI/GColumnsView.cpp
View file

@ -216,6 +216,8 @@ GModelIndex GColumnsView::index_at_event_position(const Point& a_position) const
void GColumnsView::mousedown_event(GMouseEvent& event)
{
GAbstractView::mousedown_event(event);
if (!model())
return;
@ -223,15 +225,7 @@ void GColumnsView::mousedown_event(GMouseEvent& event)
return;
auto index = index_at_event_position(event.position());
if (!index.is_valid()) {
selection().clear();
return;
}
if (event.modifiers() & Mod_Ctrl) {
selection().toggle(index);
} else {
selection().set(index);
if (index.is_valid() && !(event.modifiers() & Mod_Ctrl)) {
if (model()->row_count(index))
push_column(index);
}
@ -250,34 +244,6 @@ void GColumnsView::did_update_model()
update();
}
void GColumnsView::doubleclick_event(GMouseEvent& event)
{
if (!model())
return;
if (event.button() != GMouseButton::Left)
return;
mousedown_event(event);
activate_selected();
}
void GColumnsView::context_menu_event(GContextMenuEvent& event)
{
if (!model())
return;
auto index = index_at_event_position(event.position());
if (index.is_valid()) {
if (!selection().contains(index))
selection().set(index);
} else {
selection().clear();
}
if (on_context_menu_request)
on_context_menu_request(index, event);
}
void GColumnsView::keydown_event(GKeyEvent& event)
{
if (!model())