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Code Issues Activity Actions

GTableView: Make it possible to hide/show columns from a context menu.

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Show a context menu when right clicking the headers of a GTableView, and
allow the user to hide/show individual columns.
This commit is contained in:
Andreas Kling 2019-05-10 20:26:55 +02:00
parent dbf7878998
commit 613c7b9856
4 changed files with 64 additions and 23 deletions
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52
LibGUI/GTableView.cpp
View file

@ -4,6 +4,8 @@
#include <LibGUI/GPainter.h>
#include <LibGUI/GTextBox.h>
#include <LibGUI/GWindow.h>
#include <LibGUI/GMenu.h>
#include <LibGUI/GAction.h>
#include <Kernel/KeyCode.h>
#include <AK/StringBuilder.h>
@ -109,15 +111,15 @@ void GTableView::mousedown_event(GMouseEvent& event)
auto adjusted_position = this->adjusted_position(event.position());
if (event.y() < header_height()) {
if (event.button() != GMouseButton::Left)
return;
for (int i = 0; i < model()->column_count(); ++i) {
if (event.button() == GMouseButton::Left) {
if (column_resize_grabbable_rect(i).contains(adjusted_position)) {
m_resizing_column = i;
m_in_column_resize = true;
m_column_resize_original_width = column_width(i);
m_column_resize_origin = event.position();
return;
}
if (column_resize_grabbable_rect(i).contains(adjusted_position)) {
m_resizing_column = i;
m_in_column_resize = true;
m_column_resize_original_width = column_width(i);
m_column_resize_origin = event.position();
return;
}
auto header_rect = this->header_rect(i);
if (header_rect.contains(adjusted_position)) {
@ -413,6 +415,40 @@ void GTableView::doubleclick_event(GMouseEvent& event)
}
}
GMenu& GTableView::ensure_header_context_menu()
{
// FIXME: This menu needs to be rebuilt if the model is swapped out,
// or if the column count/names change.
if (!m_header_context_menu) {
ASSERT(model());
m_header_context_menu = make<GMenu>("");
for (int column = 0; column < model()->column_count(); ++column) {
auto& column_data = this->column_data(column);
column_data.visibility_action = GAction::create(model()->column_name(column), [this, column] (GAction& action) {
action.set_checked(!action.is_checked());
set_column_hidden(column, !action.is_checked());
});
column_data.visibility_action->set_checkable(true);
column_data.visibility_action->set_checked(true);
m_header_context_menu->add_action(*column_data.visibility_action);
}
}
return *m_header_context_menu;
}
void GTableView::context_menu_event(GContextMenuEvent& event)
{
if (!model())
return;
if (event.position().y() < header_height()) {
ensure_header_context_menu().popup(event.screen_position());
return;
}
dbgprintf("GTableView::context_menu_event(): FIXME: Implement for table rows.\n");
}
void GTableView::leave_event(CEvent&)
{
window()->set_override_cursor(GStandardCursor::None);