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PixelPaint: Allow reordering layer by dragging them in LayerListWidget

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This is rather cool! :^)
This commit is contained in:
Andreas Kling 2020-05-25 23:48:09 +02:00
parent dc3de47b03
commit e4b11a23b7
6 changed files with 169 additions and 16 deletions
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27
Applications/PixelPaint/Image.cpp
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@ -94,6 +94,8 @@ void Image::move_layer_to_back(Layer& layer)
auto index = index_of(layer);
m_layers.remove(index);
m_layers.prepend(layer);
did_modify_layer_stack();
}
void Image::move_layer_to_front(Layer& layer)
@ -102,6 +104,8 @@ void Image::move_layer_to_front(Layer& layer)
auto index = index_of(layer);
m_layers.remove(index);
m_layers.append(layer);
did_modify_layer_stack();
}
void Image::move_layer_down(Layer& layer)
@ -112,6 +116,8 @@ void Image::move_layer_down(Layer& layer)
return;
m_layers.remove(index);
m_layers.insert(index - 1, layer);
did_modify_layer_stack();
}
void Image::move_layer_up(Layer& layer)
@ -122,6 +128,25 @@ void Image::move_layer_up(Layer& layer)
return;
m_layers.remove(index);
m_layers.insert(index + 1, layer);
did_modify_layer_stack();
}
void Image::change_layer_index(size_t old_index, size_t new_index)
{
ASSERT(old_index < m_layers.size());
ASSERT(new_index < m_layers.size());
auto layer = m_layers.take(old_index);
m_layers.insert(new_index, move(layer));
did_modify_layer_stack();
}
void Image::did_modify_layer_stack()
{
for (auto* client : m_clients)
client->image_did_modify_layer_stack();
did_change();
}
void Image::remove_layer(Layer& layer)
@ -132,6 +157,8 @@ void Image::remove_layer(Layer& layer)
for (auto* client : m_clients)
client->image_did_remove_layer(index);
did_modify_layer_stack();
}
void Image::add_client(ImageClient& client)