New approach to layout building:
* The new builders are templatized and completely inline. * They are easily nestable, which only worked for groups with the old approach. * Added builder for split views. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31094 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
parent
3ce78c81c4
commit
1a726098ec
688
headers/os/interface/LayoutBuilder.h
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688
headers/os/interface/LayoutBuilder.h
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/*
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* Copyright 2009, Haiku Inc.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _LAYOUT_BUILDER_H
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#define _LAYOUT_BUILDER_H
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#include <GridLayout.h>
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#include <GridView.h>
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#include <GroupLayout.h>
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#include <GroupView.h>
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#include <SpaceLayoutItem.h>
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#include <SplitView.h>
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namespace BLayoutBuilder {
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template<typename ParentBuilder> class Base;
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template<typename ParentBuilder = void*> class Group;
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template<typename ParentBuilder = void*> class Grid;
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template<typename ParentBuilder = void*> class Split;
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template<typename ParentBuilder>
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class Base {
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protected:
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inline Base();
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public:
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inline void SetParent(ParentBuilder* parent);
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// conceptionally private
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inline ParentBuilder& End();
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protected:
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ParentBuilder* fParent;
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};
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template<typename ParentBuilder>
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class Group : public Base<ParentBuilder> {
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public:
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typedef Group<ParentBuilder> ThisBuilder;
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typedef Group<ThisBuilder> GroupBuilder;
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typedef Grid<ThisBuilder> GridBuilder;
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typedef Split<ThisBuilder> SplitBuilder;
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public:
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inline Group(enum orientation orientation
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= B_HORIZONTAL,
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float spacing = 0.0f);
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inline Group(BGroupLayout* layout);
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inline Group(BGroupView* view);
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inline BGroupLayout* Layout() const;
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inline BView* View() const;
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inline ThisBuilder& GetLayout(BGroupLayout** _layout);
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inline ThisBuilder& GetView(BView** _view);
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inline ThisBuilder& Add(BView* view);
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inline ThisBuilder& Add(BView* view, float weight);
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inline ThisBuilder& Add(BLayoutItem* item);
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inline ThisBuilder& Add(BLayoutItem* item, float weight);
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inline GroupBuilder AddGroup(enum orientation orientation,
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float spacing = 0.0f, float weight = 1.0f);
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inline GridBuilder AddGrid(float horizontalSpacing = 0.0f,
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float verticalSpacing = 0.0f,
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float weight = 1.0f);
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inline SplitBuilder AddSplit(enum orientation orientation,
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float spacing = 0.0f, float weight = 1.0f);
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inline ThisBuilder& AddGlue(float weight = 1.0f);
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inline ThisBuilder& AddStrut(float size);
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inline ThisBuilder& SetInsets(float left, float top, float right,
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float bottom);
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inline operator BGroupLayout*();
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inline operator BView*();
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private:
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BGroupLayout* fLayout;
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};
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template<typename ParentBuilder>
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class Grid : public Base<ParentBuilder> {
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public:
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typedef Grid<ParentBuilder> ThisBuilder;
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typedef Group<ThisBuilder> GroupBuilder;
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typedef Grid<ThisBuilder> GridBuilder;
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typedef Split<ThisBuilder> SplitBuilder;
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public:
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inline Grid(float horizontalSpacing = 0.0f,
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float verticalSpacing = 0.0f);
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inline Grid(BGridLayout* layout);
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inline Grid(BGridView* view);
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inline BGridLayout* Layout() const;
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inline BView* View() const;
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inline ThisBuilder& GetLayout(BGridLayout** _layout);
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inline ThisBuilder& GetView(BView** _view);
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inline ThisBuilder& Add(BView* view, int32 column, int32 row,
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int32 columnCount = 1, int32 rowCount = 1);
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inline ThisBuilder& Add(BLayoutItem* item, int32 column, int32 row,
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int32 columnCount = 1, int32 rowCount = 1);
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inline GroupBuilder AddGroup(enum orientation orientation,
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float spacing, int32 column, int32 row,
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int32 columnCount = 1, int32 rowCount = 1);
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inline GridBuilder AddGrid(float horizontalSpacing,
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float verticalSpacing, int32 column,
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int32 row, int32 columnCount = 1,
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int32 rowCount = 1);
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inline SplitBuilder AddSplit(enum orientation orientation,
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float spacing, int32 column, int32 row,
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int32 columnCount = 1, int32 rowCount = 1);
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inline ThisBuilder& SetColumnWeight(int32 column, float weight);
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inline ThisBuilder& SetRowWeight(int32 row, float weight);
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inline ThisBuilder& SetInsets(float left, float top, float right,
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float bottom);
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inline operator BGridLayout*();
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inline operator BView*();
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private:
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BGridLayout* fLayout;
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};
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template<typename ParentBuilder>
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class Split : public Base<ParentBuilder> {
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public:
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typedef Split<ParentBuilder> ThisBuilder;
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typedef Group<ThisBuilder> GroupBuilder;
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typedef Grid<ThisBuilder> GridBuilder;
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typedef Split<ThisBuilder> SplitBuilder;
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public:
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inline Split(enum orientation orientation
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= B_HORIZONTAL,
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float spacing = 0.0f);
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inline Split(BSplitView* view);
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inline BSplitView* View() const;
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inline ThisBuilder& GetView(BSplitView** _view);
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inline ThisBuilder& Add(BView* view);
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inline ThisBuilder& Add(BView* view, float weight);
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inline ThisBuilder& Add(BLayoutItem* item);
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inline ThisBuilder& Add(BLayoutItem* item, float weight);
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inline GroupBuilder AddGroup(enum orientation orientation,
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float spacing = 0.0f, float weight = 1.0f);
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inline GridBuilder AddGrid(float horizontalSpacing = 0.0f,
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float verticalSpacing = 0.0f,
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float weight = 1.0f);
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inline SplitBuilder AddSplit(enum orientation orientation,
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float spacing = 0.0f, float weight = 1.0f);
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inline ThisBuilder& SetCollapsible(bool collapsible);
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inline ThisBuilder& SetCollapsible(int32 index, bool collapsible);
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inline ThisBuilder& SetCollapsible(int32 first, int32 last,
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bool collapsible);
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inline operator BSplitView*();
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private:
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BSplitView* fView;
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};
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// #pragma mark - Base
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template<typename ParentBuilder>
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Base<ParentBuilder>::Base()
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:
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fParent(NULL)
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{
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}
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template<typename ParentBuilder>
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void
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Base<ParentBuilder>::SetParent(ParentBuilder* parent)
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{
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fParent = parent;
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}
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template<typename ParentBuilder>
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ParentBuilder&
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Base<ParentBuilder>::End()
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{
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return *fParent;
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}
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// #pragma mark - Group
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template<typename ParentBuilder>
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Group<ParentBuilder>::Group(enum orientation orientation, float spacing)
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:
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fLayout((new BGroupView(orientation, spacing))->GroupLayout())
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{
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}
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template<typename ParentBuilder>
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Group<ParentBuilder>::Group(BGroupLayout* layout)
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:
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fLayout(layout)
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{
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}
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template<typename ParentBuilder>
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Group<ParentBuilder>::Group(BGroupView* view)
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:
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fLayout(view->GroupLayout())
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{
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}
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template<typename ParentBuilder>
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BGroupLayout*
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Group<ParentBuilder>::Layout() const
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{
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return fLayout;
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}
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template<typename ParentBuilder>
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BView*
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Group<ParentBuilder>::View() const
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{
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return fLayout->View();
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::GetLayout(BGroupLayout** _layout)
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{
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*_layout = fLayout;
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::GetView(BView** _view)
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{
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*_view = fLayout->View();
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::Add(BView* view)
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{
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fLayout->AddView(view);
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::Add(BView* view, float weight)
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{
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fLayout->AddView(view, weight);
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::Add(BLayoutItem* item)
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{
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fLayout->AddItem(item);
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::Add(BLayoutItem* item, float weight)
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{
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fLayout->AddItem(item, weight);
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::GroupBuilder
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Group<ParentBuilder>::AddGroup(enum orientation orientation, float spacing,
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float weight)
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{
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GroupBuilder builder(orientation, spacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), weight);
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return builder;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::GridBuilder
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Group<ParentBuilder>::AddGrid(float horizontalSpacing, float verticalSpacing,
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float weight)
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{
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GridBuilder builder(horizontalSpacing, verticalSpacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), weight);
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return builder;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::SplitBuilder
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Group<ParentBuilder>::AddSplit(enum orientation orientation, float spacing,
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float weight)
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{
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SplitBuilder builder(orientation, spacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), weight);
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return builder;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::AddGlue(float weight)
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{
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fLayout->AddItem(BSpaceLayoutItem::CreateGlue(), weight);
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::AddStrut(float size)
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{
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if (fLayout->Orientation() == B_HORIZONTAL)
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fLayout->AddItem(BSpaceLayoutItem::CreateHorizontalStrut(size));
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else
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fLayout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(size));
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return *this;
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}
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template<typename ParentBuilder>
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typename Group<ParentBuilder>::ThisBuilder&
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Group<ParentBuilder>::SetInsets(float left, float top, float right,
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float bottom)
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{
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fLayout->SetInsets(left, top, right, bottom);
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return *this;
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}
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template<typename ParentBuilder>
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Group<ParentBuilder>::operator BGroupLayout*()
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{
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return fLayout;
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}
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template<typename ParentBuilder>
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Group<ParentBuilder>::operator BView*()
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{
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return fLayout->View();
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}
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// #pragma mark - Grid
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template<typename ParentBuilder>
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Grid<ParentBuilder>::Grid(float horizontalSpacing, float verticalSpacing)
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:
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fLayout((new BGridView(horizontalSpacing, verticalSpacing))->GridLayout())
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{
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}
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template<typename ParentBuilder>
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Grid<ParentBuilder>::Grid(BGridLayout* layout)
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:
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fLayout(layout)
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{
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}
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template<typename ParentBuilder>
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Grid<ParentBuilder>::Grid(BGridView* view)
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:
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fLayout(view->GridLayout())
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{
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}
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template<typename ParentBuilder>
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BGridLayout*
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Grid<ParentBuilder>::Layout() const
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{
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return fLayout;
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}
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template<typename ParentBuilder>
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BView*
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Grid<ParentBuilder>::View() const
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{
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return fLayout->View();
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::GetLayout(BGridLayout** _layout)
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{
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*_layout = fLayout;
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::GetView(BView** _view)
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{
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*_view = fLayout->View();
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::Add(BView* view, int32 column, int32 row,
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int32 columnCount, int32 rowCount)
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{
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fLayout->AddView(view, column, row, columnCount, rowCount);
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::Add(BLayoutItem* item, int32 column, int32 row,
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int32 columnCount, int32 rowCount)
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{
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fLayout->AddItem(item, column, row, columnCount, rowCount);
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::GroupBuilder
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Grid<ParentBuilder>::AddGroup(enum orientation orientation, float spacing,
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int32 column, int32 row, int32 columnCount, int32 rowCount)
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{
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GroupBuilder builder(orientation, spacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), column, row, columnCount, rowCount);
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return builder;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::GridBuilder
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Grid<ParentBuilder>::AddGrid(float horizontalSpacing, float verticalSpacing,
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int32 column, int32 row, int32 columnCount, int32 rowCount)
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{
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GridBuilder builder(horizontalSpacing, verticalSpacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), column, row, columnCount, rowCount);
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return builder;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::SplitBuilder
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Grid<ParentBuilder>::AddSplit(enum orientation orientation, float spacing,
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int32 column, int32 row, int32 columnCount, int32 rowCount)
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{
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SplitBuilder builder(orientation, spacing);
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builder.SetParent(this);
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fLayout->AddView(builder.View(), column, row, columnCount, rowCount);
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return builder;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::SetColumnWeight(int32 column, float weight)
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{
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fLayout->SetColumnWeight(column, weight);
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::SetRowWeight(int32 row, float weight)
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{
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fLayout->SetRowWeight(row, weight);
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return *this;
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}
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template<typename ParentBuilder>
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typename Grid<ParentBuilder>::ThisBuilder&
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Grid<ParentBuilder>::SetInsets(float left, float top, float right,
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float bottom)
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{
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fLayout->SetInsets(left, top, right, bottom);
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return *this;
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}
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template<typename ParentBuilder>
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Grid<ParentBuilder>::operator BGridLayout*()
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{
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return fLayout;
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}
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template<typename ParentBuilder>
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Grid<ParentBuilder>::operator BView*()
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{
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return fLayout->View();
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}
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// #pragma mark - Split
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template<typename ParentBuilder>
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Split<ParentBuilder>::Split(enum orientation orientation, float spacing)
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:
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fView(new BSplitView(orientation, spacing))
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{
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}
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template<typename ParentBuilder>
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Split<ParentBuilder>::Split(BSplitView* view)
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:
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fView(view)
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{
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}
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||||
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template<typename ParentBuilder>
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BSplitView*
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Split<ParentBuilder>::View() const
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{
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return fView;
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}
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||||
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||||
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template<typename ParentBuilder>
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typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::GetView(BSplitView** _view)
|
||||
{
|
||||
*_view = fView;
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::Add(BView* view)
|
||||
{
|
||||
fView->AddChild(view);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::Add(BView* view, float weight)
|
||||
{
|
||||
fView->AddChild(view, weight);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::Add(BLayoutItem* item)
|
||||
{
|
||||
fView->AddChild(item);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::Add(BLayoutItem* item, float weight)
|
||||
{
|
||||
fView->AddChild(item, weight);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::GroupBuilder
|
||||
Split<ParentBuilder>::AddGroup(enum orientation orientation, float spacing,
|
||||
float weight)
|
||||
{
|
||||
GroupBuilder builder(orientation, spacing);
|
||||
builder.SetParent(this);
|
||||
fView->AddChild(builder.View(), weight);
|
||||
return builder;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::GridBuilder
|
||||
Split<ParentBuilder>::AddGrid(float horizontalSpacing, float verticalSpacing,
|
||||
float weight)
|
||||
{
|
||||
GridBuilder builder(horizontalSpacing, verticalSpacing);
|
||||
builder.SetParent(this);
|
||||
fView->AddChild(builder.View(), weight);
|
||||
return builder;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::SplitBuilder
|
||||
Split<ParentBuilder>::AddSplit(enum orientation orientation, float spacing,
|
||||
float weight)
|
||||
{
|
||||
SplitBuilder builder(orientation, spacing);
|
||||
builder.SetParent(this);
|
||||
fView->AddChild(builder.View(), weight);
|
||||
return builder;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::SetCollapsible(bool collapsible)
|
||||
{
|
||||
fView->SetCollapsible(collapsible);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::SetCollapsible(int32 index, bool collapsible)
|
||||
{
|
||||
fView->SetCollapsible(index, collapsible);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
typename Split<ParentBuilder>::ThisBuilder&
|
||||
Split<ParentBuilder>::SetCollapsible(int32 first, int32 last, bool collapsible)
|
||||
{
|
||||
fView->SetCollapsible(first, last, collapsible);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
||||
template<typename ParentBuilder>
|
||||
Split<ParentBuilder>::operator BSplitView*()
|
||||
{
|
||||
return fView;
|
||||
}
|
||||
|
||||
|
||||
} // namespace BLayoutBuilder
|
||||
|
||||
|
||||
#endif // _LAYOUT_BUILDER_H
|
||||
Loading…
Reference in New Issue
Block a user