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Support reorienting TabbedPanels tab switcher

tablepad
Trevor Slocum 2 years ago
parent
commit
07ef49c867
  1. 13
      FORK.md
  2. 106
      tabbedpanels.go

13
FORK.md

@ -42,6 +42,11 @@ tview [is not thread-safe](https://godoc.org/github.com/rivo/tview#hdr-Concurren
tview [blocks until the queued function returns](https://github.com/rivo/tview/blob/fe3052019536251fd145835dbaa225b33b7d3088/application.go#L510).
## Setting a primitive's background color to `tcell.ColorDefault` does not result in transparency
Call [Box.SetBackgroundTransparent](https://docs.rocketnine.space/gitlab.com/tslocum/cview/#Box.SetBackgroundTransparent)
to enable background transparency.
## Double clicks are not handled by default
All clicks are handled as single clicks until an interval is set with [Application.SetDoubleClickInterval](https://docs.rocketnine.space/gitlab.com/tslocum/cview/#Application.SetDoubleClickInterval).
@ -53,19 +58,13 @@ to disable this behavior.
## Lists and Forms do not wrap around by default
Call [List.SetWrapAround](https://docs.rocketnine.space/gitlab.com/tslocum/cview/#List.SetWrapAround)
to wrap around when navigating.
Call `SetWrapAround` to wrap around when navigating.
## Tables do not wrap around when selecting a cell
Attempting to move outside of the range of the table results in the selection
remaining unchanged.
## Setting a primitive's background color to `tcell.ColorDefault` does not result in transparency
Call [Box.SetBackgroundTransparent](https://docs.rocketnine.space/gitlab.com/tslocum/cview/#Box.SetBackgroundTransparent)
to enable background transparency.
## TextViews store their text as []byte instead of string
This greatly improves buffer efficiency. [TextView.Write](https://docs.rocketnine.space/gitlab.com/tslocum/cview/#TextView.Write)

106
tabbedpanels.go

@ -9,7 +9,7 @@ import (
)
// TabbedPanels is a tabbed container for other primitives. The tab switcher
// may be displayed at the top or bottom of the container.
// may be positioned vertically or horizontally, before or after the content.
type TabbedPanels struct {
*Flex
Switcher *TextView
@ -23,11 +23,12 @@ type TabbedPanels struct {
tabBackgroundColor tcell.Color
tabBackgroundColorFocused tcell.Color
tabDividerStart string
tabDividerMid string
tabDividerEnd string
dividerStart string
dividerMid string
dividerEnd string
bottomTabSwitcher bool
switcherVertical bool
switcherAfterContent bool
width, lastWidth int
@ -46,8 +47,8 @@ func NewTabbedPanels() *TabbedPanels {
tabTextColorFocused: Styles.InverseTextColor,
tabBackgroundColor: ColorUnset,
tabBackgroundColorFocused: Styles.PrimaryTextColor,
tabDividerMid: string(BoxDrawingsDoubleVertical),
tabDividerEnd: string(BoxDrawingsLightVertical),
dividerMid: string(BoxDrawingsDoubleVertical),
dividerEnd: string(BoxDrawingsLightVertical),
tabLabels: make(map[string]string),
}
@ -63,10 +64,7 @@ func NewTabbedPanels() *TabbedPanels {
}
})
f := t.Flex
f.SetDirection(FlexRow)
f.AddItem(t.Switcher, 1, 1, false)
f.AddItem(t.panels, 0, 1, true)
t.rebuild()
return t
}
@ -161,24 +159,45 @@ func (t *TabbedPanels) SetTabBackgroundColorFocused(color tcell.Color) {
func (t *TabbedPanels) SetTabSwitcherDivider(start, mid, end string) {
t.Lock()
defer t.Unlock()
t.tabDividerStart, t.tabDividerMid, t.tabDividerEnd = start, mid, end
t.dividerStart, t.dividerMid, t.dividerEnd = start, mid, end
}
// SetTabSwitcherVertical sets the orientation of the tab switcher.
func (t *TabbedPanels) SetTabSwitcherVertical(vertical bool) {
t.Lock()
defer t.Unlock()
if t.switcherVertical == vertical {
return
}
t.switcherVertical = vertical
t.rebuild()
}
// SetTabSwitcherPosition sets the position of the tab switcher.
func (t *TabbedPanels) SetTabSwitcherPosition(bottom bool) {
// SetTabSwitcherAfterContent sets whether the tab switcher is positioned after content.
func (t *TabbedPanels) SetTabSwitcherAfterContent(after bool) {
t.Lock()
defer t.Unlock()
if t.bottomTabSwitcher == bottom {
if t.switcherAfterContent == after {
return
}
t.bottomTabSwitcher = bottom
t.switcherAfterContent = after
t.rebuild()
}
func (t *TabbedPanels) rebuild() {
f := t.Flex
if t.switcherVertical {
f.SetDirection(FlexColumn)
} else {
f.SetDirection(FlexRow)
}
f.RemoveItem(t.panels)
f.RemoveItem(t.Switcher)
if t.bottomTabSwitcher {
if t.switcherAfterContent {
f.AddItem(t.panels, 0, 1, true)
f.AddItem(t.Switcher, 1, 1, false)
} else {
@ -196,29 +215,64 @@ func (t *TabbedPanels) updateTabLabels() {
return
}
maxWidth := 0
for _, panel := range t.panels.panels {
label := t.tabLabels[panel.Name]
if len(label) > maxWidth {
maxWidth = len(label)
}
}
var b bytes.Buffer
b.WriteString(t.tabDividerStart)
if !t.switcherVertical {
b.WriteString(t.dividerStart)
}
l := len(t.panels.panels)
spacer := []byte(" ")
for i, panel := range t.panels.panels {
if i > 0 && t.switcherVertical {
b.WriteRune('\n')
}
if t.switcherVertical && t.switcherAfterContent {
b.WriteString(t.dividerMid)
b.WriteRune(' ')
}
textColor := t.tabTextColor
backgroundColor := t.tabBackgroundColor
if panel.Name == t.currentTab {
textColor = t.tabTextColorFocused
backgroundColor = t.tabBackgroundColorFocused
}
b.WriteString(fmt.Sprintf(`["%s"][%s:%s] %s [-:-][""]`, panel.Name, ColorHex(textColor), ColorHex(backgroundColor), t.tabLabels[panel.Name]))
if i == l-1 {
b.WriteString(t.tabDividerEnd)
} else {
b.WriteString(t.tabDividerMid)
label := t.tabLabels[panel.Name]
if !t.switcherVertical {
label = " " + label
}
if t.switcherVertical {
spacer = bytes.Repeat([]byte(" "), maxWidth-len(label)+1)
}
b.WriteString(fmt.Sprintf(`["%s"][%s:%s]%s%s[-:-][""]`, panel.Name, ColorHex(textColor), ColorHex(backgroundColor), label, spacer))
if i == l-1 && !t.switcherVertical {
b.WriteString(t.dividerEnd)
} else if !t.switcherAfterContent {
b.WriteString(t.dividerMid)
}
}
t.Switcher.SetText(b.String())
reqLines := len(WordWrap(t.Switcher.GetText(true), t.width))
if reqLines < 1 {
reqLines = 1
var reqLines int
if t.switcherVertical {
reqLines = maxWidth + 2
} else {
reqLines = len(WordWrap(t.Switcher.GetText(true), t.width))
if reqLines < 1 {
reqLines = 1
}
}
t.Flex.ResizeItem(t.Switcher, reqLines, 1)
}

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