diff options
author | Andreas Kling <awesomekling@gmail.com> | 2019-09-07 19:18:54 +0200 |
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committer | Andreas Kling <awesomekling@gmail.com> | 2019-09-07 19:21:07 +0200 |
commit | 94b599e34428dc29e21ae24500532e34ebbe7d20 (patch) | |
tree | f54d93eba4ceccd342f11e578c1214667548191c /Libraries/LibGUI | |
parent | 82559e211dd6ad2485da22071a57aed81301e88b (diff) | |
download | serenity-94b599e34428dc29e21ae24500532e34ebbe7d20.zip |
GItemView: Switch to using GModelSelection to support multi-select
This is really quite straightforward. Instead of using the GModel's
selected_index(), we now query/update the view's own GModelSelection.
Diffstat (limited to 'Libraries/LibGUI')
-rw-r--r-- | Libraries/LibGUI/GItemView.cpp | 74 |
1 files changed, 45 insertions, 29 deletions
diff --git a/Libraries/LibGUI/GItemView.cpp b/Libraries/LibGUI/GItemView.cpp index d5d9af0a6c..ac24cd2d8f 100644 --- a/Libraries/LibGUI/GItemView.cpp +++ b/Libraries/LibGUI/GItemView.cpp @@ -74,13 +74,15 @@ void GItemView::mousedown_event(GMouseEvent& event) 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)) { - model()->set_selected_index(model()->index(i, 0)); - update(); + auto index = model()->index(i, 0); + if (event.modifiers() & Mod_Ctrl) + selection().add(index); + else + selection().set(index); return; } } - model()->set_selected_index({}); - update(); + selection().clear(); } } @@ -90,7 +92,9 @@ void GItemView::doubleclick_event(GMouseEvent& event) return; if (event.button() == GMouseButton::Left) { mousedown_event(event); - activate(model()->selected_index()); + selection().for_each_index([this](auto& index) { + activate(index); + }); } } @@ -108,7 +112,7 @@ 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 = item_index == model()->selected_index().row(); + bool is_selected_item = selection().contains(model()->index(item_index)); Color background_color; if (is_selected_item) { background_color = is_focused() ? Color::from_rgb(0x84351a) : Color::from_rgb(0x606060); @@ -161,13 +165,15 @@ void GItemView::keydown_event(GKeyEvent& event) auto& model = *this->model(); if (event.key() == KeyCode::Key_Return) { - activate(model.selected_index()); + selection().for_each_index([this](auto& index) { + activate(index); + }); return; } if (event.key() == KeyCode::Key_Home) { auto new_index = model.index(0, 0); if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -176,7 +182,7 @@ void GItemView::keydown_event(GKeyEvent& event) if (event.key() == KeyCode::Key_End) { auto new_index = model.index(model.row_count() - 1, 0); if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -184,12 +190,14 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_Up) { GModelIndex new_index; - if (model.selected_index().is_valid()) - new_index = model.index(model.selected_index().row() - m_visual_column_count, model.selected_index().column()); - else + if (!selection().is_empty()) { + auto old_index = selection().first(); + new_index = model.index(old_index.row() - m_visual_column_count, old_index.column()); + } else { new_index = model.index(0, 0); + } if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -197,12 +205,14 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_Down) { GModelIndex new_index; - if (model.selected_index().is_valid()) - new_index = model.index(model.selected_index().row() + m_visual_column_count, model.selected_index().column()); - else + if (!selection().is_empty()) { + auto old_index = selection().first(); + new_index = model.index(old_index.row() + m_visual_column_count, old_index.column()); + } else { new_index = model.index(0, 0); + } if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -210,12 +220,14 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_Left) { GModelIndex new_index; - if (model.selected_index().is_valid()) - new_index = model.index(model.selected_index().row() - 1, model.selected_index().column()); - else + if (!selection().is_empty()) { + auto old_index = selection().first(); + new_index = model.index(old_index.row() - 1, old_index.column()); + } else { new_index = model.index(0, 0); + } if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -223,12 +235,14 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_Right) { GModelIndex new_index; - if (model.selected_index().is_valid()) - new_index = model.index(model.selected_index().row() + 1, model.selected_index().column()); - else + if (!selection().is_empty()) { + auto old_index = selection().first(); + new_index = model.index(old_index.row() + 1, old_index.column()); + } else { new_index = model.index(0, 0); + } if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -236,9 +250,10 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_PageUp) { int items_per_page = (visible_content_rect().height() / effective_item_size().height()) * m_visual_column_count; - auto new_index = model.index(max(0, model.selected_index().row() - items_per_page), model.selected_index().column()); + auto old_index = selection().first(); + auto new_index = model.index(max(0, old_index.row() - items_per_page), old_index.column()); if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } @@ -246,9 +261,10 @@ void GItemView::keydown_event(GKeyEvent& event) } if (event.key() == KeyCode::Key_PageDown) { int items_per_page = (visible_content_rect().height() / effective_item_size().height()) * m_visual_column_count; - auto new_index = model.index(min(model.row_count() - 1, model.selected_index().row() + items_per_page), model.selected_index().column()); + auto old_index = selection().first(); + auto new_index = model.index(min(model.row_count() - 1, old_index.row() + items_per_page), old_index.column()); if (model.is_valid(new_index)) { - model.set_selected_index(new_index); + selection().set(new_index); scroll_into_view(new_index, Orientation::Vertical); update(); } |