64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2020 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package html
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import (
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"go.mau.fi/mauview"
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"go.mau.fi/tcell"
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)
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// AdjustStyleFunc is a lambda function type to edit an existing tcell Style.
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type AdjustStyleFunc func(tcell.Style) tcell.Style
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type AdjustStyleReason int
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const (
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AdjustStyleReasonNormal AdjustStyleReason = iota
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AdjustStyleReasonHideSpoiler
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)
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type DrawContext struct {
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IsSelected bool
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BareMessages bool
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}
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type Entity interface {
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// AdjustStyle recursively changes the style of the entity and all its children.
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AdjustStyle(AdjustStyleFunc, AdjustStyleReason) Entity
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// Draw draws the entity onto the given mauview Screen.
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Draw(screen mauview.Screen, ctx DrawContext)
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// IsBlock returns whether or not it's a block-type entity.
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IsBlock() bool
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// GetTag returns the HTML tag of the entity.
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GetTag() string
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// PlainText returns the plaintext content in the entity and all its children.
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PlainText() string
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// String returns a string representation of the entity struct.
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String() string
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// Clone creates a deep copy of the entity.
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Clone() Entity
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// Height returns the render height of the entity.
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Height() int
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// CalculateBuffer prepares the entity and all its children for rendering with the given parameters
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CalculateBuffer(width, startX int, ctx DrawContext) int
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getStartX() int
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IsEmpty() bool
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}
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