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PixelPaint: Make Layer passed to tools a pointer
Some tools (e.g. ZoomTool) doesn't need layer to work. This commit makes mouse events fire even if there is no layer. This fixes a bug that ZoomTool didn't work when there is no layers.
This commit is contained in:
parent
0224dc2882
commit
3ad9df1522
28 changed files with 202 additions and 136 deletions
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@ -35,30 +35,39 @@ Gfx::IntRect EraseTool::build_rect(Gfx::IntPoint const& pos, Gfx::IntRect const&
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return Gfx::IntRect(ex - eraser_radius, ey - eraser_radius, eraser_size, eraser_size).intersected(widget_rect);
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}
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void EraseTool::on_mousedown(Layer& layer, MouseEvent& event)
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void EraseTool::on_mousedown(Layer* layer, MouseEvent& event)
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{
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if (!layer)
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return;
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auto& layer_event = event.layer_event();
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if (layer_event.button() != GUI::MouseButton::Left && layer_event.button() != GUI::MouseButton::Right)
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return;
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Gfx::IntRect r = build_rect(layer_event.position(), layer.rect());
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GUI::Painter painter(layer.bitmap());
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Gfx::IntRect r = build_rect(layer_event.position(), layer->rect());
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GUI::Painter painter(layer->bitmap());
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painter.clear_rect(r, get_color());
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layer.did_modify_bitmap(r.inflated(2, 2));
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layer->did_modify_bitmap(r.inflated(2, 2));
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}
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void EraseTool::on_mousemove(Layer& layer, MouseEvent& event)
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void EraseTool::on_mousemove(Layer* layer, MouseEvent& event)
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{
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if (!layer)
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return;
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auto& layer_event = event.layer_event();
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if (layer_event.buttons() & GUI::MouseButton::Left || layer_event.buttons() & GUI::MouseButton::Right) {
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Gfx::IntRect r = build_rect(layer_event.position(), layer.rect());
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GUI::Painter painter(layer.bitmap());
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Gfx::IntRect r = build_rect(layer_event.position(), layer->rect());
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GUI::Painter painter(layer->bitmap());
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painter.clear_rect(r, get_color());
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layer.did_modify_bitmap(r.inflated(2, 2));
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layer->did_modify_bitmap(r.inflated(2, 2));
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}
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}
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void EraseTool::on_mouseup(Layer&, MouseEvent& event)
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void EraseTool::on_mouseup(Layer* layer, MouseEvent& event)
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{
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if (!layer)
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return;
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auto& layer_event = event.layer_event();
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if (layer_event.button() != GUI::MouseButton::Left && layer_event.button() != GUI::MouseButton::Right)
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return;
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