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2e2845370a
Some nodes of the ToolboxMessageTree can be marked as "forks", dispatching one branch or the other depending on preferences. They are used in the Unit menu to provide a different toolbox depending on the unit system. Change-Id: I591f7abc3d24e682e827a540a9defac1877871b5
78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
#ifndef ESCHER_TOOLBOX_MESSAGE_TREE_H
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#define ESCHER_TOOLBOX_MESSAGE_TREE_H
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#include <escher/message_tree.h>
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class ToolboxMessageTree : public MessageTree {
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public:
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constexpr static ToolboxMessageTree Leaf(I18n::Message label, I18n::Message text = (I18n::Message)0, bool stripInsertedText = true, I18n::Message insertedText = (I18n::Message)0) {
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return ToolboxMessageTree(
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label,
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text,
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(insertedText == (I18n::Message)0) ? label : insertedText,
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static_cast<ToolboxMessageTree *>(0),
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0,
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stripInsertedText);
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};
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template <int N>
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constexpr static ToolboxMessageTree Node(I18n::Message label, const ToolboxMessageTree (&children)[N], bool fork = false) {
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return ToolboxMessageTree(
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label,
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(I18n::Message)0,
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(I18n::Message)0,
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children,
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fork ? -N : N,
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true);
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}
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template <int N>
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constexpr static ToolboxMessageTree Node(I18n::Message label, const ToolboxMessageTree * (&children)[N], bool fork = false) {
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return ToolboxMessageTree(
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label,
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(I18n::Message)0,
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(I18n::Message)0,
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children,
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fork ? -N : N,
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true);
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}
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const MessageTree * childAtIndex(int index) const override {
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return m_childrenConsecutive ? m_children.m_direct + index : m_children.m_indirect[index];
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}
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I18n::Message text() const { return m_text; }
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I18n::Message insertedText() const { return m_insertedText; }
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bool stripInsertedText() const { return m_stripInsertedText; }
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bool isFork() const { return numberOfChildren() < 0; }
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private:
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constexpr ToolboxMessageTree(I18n::Message label, I18n::Message text, I18n::Message insertedText, const ToolboxMessageTree * children, int numberOfChildren, bool stripInsertedText) :
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MessageTree(label, numberOfChildren),
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m_children(children),
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m_text(text),
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m_insertedText(insertedText),
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m_stripInsertedText(stripInsertedText),
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m_childrenConsecutive(true)
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{}
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constexpr ToolboxMessageTree(I18n::Message label, I18n::Message text, I18n::Message insertedText, const ToolboxMessageTree ** children, int numberOfChildren, bool stripInsertedText) :
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MessageTree(label, numberOfChildren),
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m_children(children),
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m_text(text),
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m_insertedText(insertedText),
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m_stripInsertedText(stripInsertedText),
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m_childrenConsecutive(false)
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{}
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union Children {
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public:
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constexpr Children(const ToolboxMessageTree * children) : m_direct(children) {}
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constexpr Children(const ToolboxMessageTree ** children) : m_indirect(children) {}
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const ToolboxMessageTree * m_direct;
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const ToolboxMessageTree ** m_indirect;
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};
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const Children m_children;
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I18n::Message m_text;
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I18n::Message m_insertedText;
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bool m_stripInsertedText;
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const bool m_childrenConsecutive;
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};
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#endif
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