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package main
// ThemeComponentID represents different components of the display that makes up grv
// The style of each of these components can be customised using themes
type ThemeComponentID int16
// The set of theme components that make up the display of grv
const (
CmpNone ThemeComponentID = iota
CmpAllviewDefault
CmpAllviewSearchMatch
CmpAllviewActiveViewSelectedRow
CmpAllviewInactiveViewSelectedRow
CmpMainviewActiveView
CmpMainviewNormalView
CmpRefviewTitle
CmpRefviewFooter
CmpRefviewLocalBranchesHeader
CmpRefviewRemoteBranchesHeader
CmpRefviewLocalBranch
CmpRefviewHead
CmpRefviewRemoteBranch
CmpRefviewTagsHeader
CmpRefviewTag
CmpCommitviewTitle
CmpCommitviewFooter
CmpCommitviewShortOid
CmpCommitviewDate
CmpCommitviewAuthor
CmpCommitviewSummary
CmpCommitviewTag
CmpCommitviewLocalBranch
CmpCommitviewRemoteBranch
CmpCommitviewGraphCommit
CmpCommitviewGraphMergeCommit
CmpCommitviewGraphBranch1
CmpCommitviewGraphBranch2
CmpCommitviewGraphBranch3
CmpCommitviewGraphBranch4
CmpCommitviewGraphBranch5
CmpCommitviewGraphBranch6
CmpCommitviewGraphBranch7
CmpDiffviewTitle
CmpDiffviewFooter
CmpDiffviewDifflineNormal
CmpDiffviewDifflineDiffCommitAuthor
CmpDiffviewDifflineDiffCommitAuthorDate
CmpDiffviewDifflineDiffCommitCommitter
CmpDiffviewDifflineDiffCommitCommitterDate
CmpDiffviewDifflineDiffCommitMessage
CmpDiffviewDifflineDiffStatsFile
CmpDiffviewDifflineGitDiffHeader
CmpDiffviewDifflineGitDiffExtendedHeader
CmpDiffviewDifflineUnifiedDiffHeader
CmpDiffviewDifflineHunkStart
CmpDiffviewDifflineHunkHeader
CmpDiffviewDifflineLineAdded
CmpDiffviewDifflineLineRemoved
CmpDiffviewFancyDiffLineSeparator
CmpDiffviewFancyDiffLineFile
CmpDiffviewFancyDifflineLineAdded
CmpDiffviewFancyDifflineLineRemoved
CmpDiffviewFancyDifflineLineAddedChange
CmpDiffviewFancyDifflineLineRemovedChange
CmpDiffviewFancyDifflineEmptyLineAdded
CmpDiffviewFancyDifflineEmptyLineRemoved
CmpDiffviewFancyDifflineTrailingWhitespace
CmpGitStatusMessage
CmpGitStatusStagedTitle
CmpGitStatusUnstagedTitle
CmpGitStatusUntrackedTitle
CmpGitStatusConflictedTitle
CmpGitStatusStagedFile
CmpGitStatusUnstagedFile
CmpGitStatusUntrackedFile
CmpGitStatusConflictedFile
CmpHelpViewTitle
CmpHelpViewIndexTitle
CmpHelpViewIndexSubTitle
CmpHelpViewSectionTitle
CmpHelpViewSectionSubTitle
CmpHelpViewSectionDescription
CmpHelpViewSectionCodeBlock
CmpHelpViewSectionTableHeader
CmpHelpViewSectionTableRow
CmpHelpViewSectionTableRowHighlighted
CmpHelpViewSectionTableCellSeparator
CmpHelpViewFooter
CmpStatusbarviewNormal
CmpHelpbarviewSpecial
CmpHelpbarviewNormal
CmpErrorViewTitle
CmpErrorViewFooter
CmpErrorViewErrors
CmpContextMenuTitle
CmpContextMenuContent
CmpContextMenuFooter
CmpCommandOutputTitle
CmpCommandOutputCommand
CmpCommandOutputNormal
CmpCommandOutputError
CmpCommandOutputSuccess
CmpCommandOutputFooter
CmpMessageBoxTitle
CmpMessageBoxContent
CmpMessageBoxSelectedButton
CmpGRVVariableViewTitle
CmpGRVVariableViewVariable
CmpGRVVariableViewValue
CmpGRVVariableViewFooter
CmpRemoteViewTitle
CmpRemoteViewRemote
CmpRemoteViewFooter
CmpSummaryViewHeader
CmpSummaryViewNormal
CmpSummaryViewBranchAhead
CmpSummaryViewBranchBehind
CmpSummaryViewStagedFile
CmpSummaryViewUnstagedFile
CmpSummaryViewNoModifiedFiles
CmpCount
)
// ThemeColor is a color that can be specified for a theme
type ThemeColor interface {
themeColor()
}
// SystemColorValue represents one of the 8 basic system colors
type SystemColorValue int
// The set of SystemColorValues
const (
ColorNone SystemColorValue = iota
ColorBlack
ColorRed
ColorGreen
ColorYellow
ColorBlue
ColorMagenta
ColorCyan
ColorWhite
)
// SystemColor stores the value of a system color
type SystemColor struct {
systemColorValue SystemColorValue
}
// NewSystemColor creates a new instance
func NewSystemColor(systemColorValue SystemColorValue) ThemeColor {
return &SystemColor{
systemColorValue: systemColorValue,
}
}
func (systemColor *SystemColor) themeColor() {}
// ColorNumber stores the terminal color number (0 - 255) for a color
type ColorNumber struct {
number int16
}
// NewColorNumber creates a new instance
func NewColorNumber(number int16) ThemeColor {
return &ColorNumber{
number: number,
}
}
func (colorNumber *ColorNumber) themeColor() {}
// RGBColor stores the red, green and blue components of a color
type RGBColor struct {
red byte
green byte
blue byte
}
// NewRGBColor creates a new instance
func NewRGBColor(red, green, blue byte) ThemeColor {
return &RGBColor{
red: red,
green: green,
blue: blue,
}
}
func (rgbColor *RGBColor) themeColor() {}
// ThemeStyleType represents a type of styling applied to text
type ThemeStyleType int
// The set of supported text styles
const (
TstNormal ThemeStyleType = 0
TstStandout ThemeStyleType = 1 << (iota - 1)
TstUnderline
TstReverse
TstBlink
TstDim
TstBold
TstProtect
TstInvis
TstAltcharset
TstChartext
)
// ThemeStyle contains styles that should be applied to text
type ThemeStyle struct {
styleTypes ThemeStyleType
}
// ThemeComponent stores the color information for a theme component
type ThemeComponent struct {
bgcolor ThemeColor
fgcolor ThemeColor
style ThemeStyle
}
// Theme provides read only access to the style information of a theme
type Theme interface {
GetComponent(ThemeComponentID) ThemeComponent
GetAllComponents() map[ThemeComponentID]ThemeComponent
}
// MutableTheme allows defaults to be set on a theme that has not defined color information for all theme components
type MutableTheme interface {
Theme
CreateOrGetComponent(ThemeComponentID) *ThemeComponent
}
// ThemeComponents stores all of the style information for a theme
type ThemeComponents struct {
components map[ThemeComponentID]*ThemeComponent
}
// GetComponent returns the configured color information for the specified theme component ID
func (themeComponents *ThemeComponents) GetComponent(themeComponentID ThemeComponentID) ThemeComponent {
if themeComponent, ok := themeComponents.components[themeComponentID]; ok {
return *themeComponent
}
return getDefaultThemeComponent()
}
// GetAllComponents returns all configured color information the theme contains
func (themeComponents *ThemeComponents) GetAllComponents() map[ThemeComponentID]ThemeComponent {
components := make(map[ThemeComponentID]ThemeComponent, CmpCount)
for themeComponentID := ThemeComponentID(1); themeComponentID < CmpCount; themeComponentID++ {
themeComponent := themeComponents.GetComponent(themeComponentID)
components[themeComponentID] = themeComponent
}
return components
}
// CreateOrGetComponent returns the configured info if the component has been defined on this theme
// Otherwise a component is created and set on the theme using default values. This default is then returned
func (themeComponents *ThemeComponents) CreateOrGetComponent(themeComponentID ThemeComponentID) *ThemeComponent {
themeComponent, ok := themeComponents.components[themeComponentID]
if !ok {
defultThemeComponent := getDefaultThemeComponent()
themeComponent = &defultThemeComponent
themeComponents.components[themeComponentID] = themeComponent
}
return themeComponent
}
func getDefaultThemeComponent() ThemeComponent {
return ThemeComponent{
bgcolor: NewSystemColor(ColorNone),
fgcolor: NewSystemColor(ColorNone),
}
}
// NewTheme creates a new empty theme
func NewTheme() MutableTheme {
return &ThemeComponents{
components: make(map[ThemeComponentID]*ThemeComponent),
}
}
|
