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GItemView: Add context menu support

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Also, use the model_column() internally for selection as well as for
painting to keep things consistent.

Note that we always fire the on_context_menu_request hook, even if you
didn't click on an item. In those cases, you get a GModelIndex().
This commit is contained in:
Andreas Kling 2019-09-13 21:41:29 +02:00
parent 69365ccdd0
commit bf23f1e8bc
Notes: sideshowbarker 2024-07-19 12:07:43 +09:00
2 changed files with 43 additions and 14 deletions
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55
Libraries/LibGUI/GItemView.cpp
View file

@ -66,24 +66,51 @@ Rect GItemView::item_rect(int item_index) const
};
}
int GItemView::item_at_event_position(const Point& position) const
{
// FIXME: Since all items are the same size, just compute the clicked item index
// instead of iterating over everything.
auto adjusted_position = position.translated(0, vertical_scrollbar().value());
for (int i = 0; i < item_count(); ++i) {
if (item_rect(i).contains(adjusted_position))
return i;
}
return -1;
}
void GItemView::mousedown_event(GMouseEvent& event)
{
int item_index = item_at_event_position(event.position());
if (event.button() == GMouseButton::Left) {
// FIXME: Since all items are the same size, just compute the clicked item index
// instead of iterating over everything.
auto adjusted_position = event.position().translated(0, vertical_scrollbar().value());
for (int i = 0; i < item_count(); ++i) {
if (item_rect(i).contains(adjusted_position)) {
auto index = model()->index(i, 0);
if (event.modifiers() & Mod_Ctrl)
selection().toggle(index);
else
selection().set(index);
return;
}
if (item_index == -1) {
selection().clear();
} else {
auto index = model()->index(item_index, m_model_column);
if (event.modifiers() & Mod_Ctrl)
selection().toggle(index);
else
selection().set(index);
}
selection().clear();
}
GAbstractView::mousedown_event(event);
}
void GItemView::context_menu_event(GContextMenuEvent& event)
{
if (!model())
return;
auto item_index = item_at_event_position(event.position());
GModelIndex index;
if (item_index != -1) {
index = model()->index(item_index, m_model_column);
selection().add(index);
update();
}
if (on_context_menu_request)
on_context_menu_request(index, event);
GAbstractView::context_menu_event(event);
}
void GItemView::doubleclick_event(GMouseEvent& event)
@ -112,7 +139,7 @@ void GItemView::paint_event(GPaintEvent& event)
const Font& font = column_metadata.font ? *column_metadata.font : this->font();
for (int item_index = 0; item_index < model()->row_count(); ++item_index) {
bool is_selected_item = selection().contains(model()->index(item_index));
bool is_selected_item = selection().contains(model()->index(item_index, m_model_column));
Color background_color;
if (is_selected_item) {
background_color = is_focused() ? Color::from_rgb(0x84351a) : Color::from_rgb(0x606060);