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Diffstat (limited to 'ui')
-rw-r--r--ui/context.go31
-rw-r--r--ui/tab.go115
2 files changed, 134 insertions, 12 deletions
diff --git a/ui/context.go b/ui/context.go
index e7d9ebe..ae9e561 100644
--- a/ui/context.go
+++ b/ui/context.go
@@ -3,7 +3,8 @@ package ui
import (
"fmt"
- "github.com/nsf/termbox-go"
+ "github.com/mattn/go-runewidth"
+ tb "github.com/nsf/termbox-go"
)
// A context allows you to draw in a sub-region of the terminal
@@ -38,15 +39,15 @@ func (ctx *Context) Subcontext(x, y, width, height int) *Context {
}
}
-func (ctx *Context) SetCell(x, y int, ch rune, fg, bg termbox.Attribute) {
+func (ctx *Context) SetCell(x, y int, ch rune, fg, bg tb.Attribute) {
if x >= ctx.width || y >= ctx.height {
panic(fmt.Errorf("Attempted to draw outside of context"))
}
- termbox.SetCell(ctx.x+x, ctx.y+y, ch, fg, bg)
+ tb.SetCell(ctx.x+x, ctx.y+y, ch, fg, bg)
}
-func (ctx *Context) Printf(x, y int, ref termbox.Cell,
- format string, a ...interface{}) {
+func (ctx *Context) Printf(x, y int, ref tb.Cell,
+ format string, a ...interface{}) int {
if x >= ctx.width || y >= ctx.height {
panic(fmt.Errorf("Attempted to draw outside of context"))
@@ -64,29 +65,35 @@ func (ctx *Context) Printf(x, y int, ref termbox.Cell,
return y < ctx.height
}
for _, ch := range str {
+ if str == " こんにちは " {
+ fmt.Printf("%c\n", ch)
+ }
switch ch {
case '\n':
if !newline() {
- return
+ return runewidth.StringWidth(str)
}
case '\r':
x = old_x
default:
- termbox.SetCell(x, y, ch, ref.Fg, ref.Bg)
- x++
+ tb.SetCell(x, y, ch, ref.Fg, ref.Bg)
+ x += runewidth.RuneWidth(ch)
if x == old_x+ctx.width {
if !newline() {
- return
+ return runewidth.StringWidth(str)
}
}
}
}
+
+ return runewidth.StringWidth(str)
}
-func (ctx *Context) Fill(x, y, width, height int, ref termbox.Cell) {
+func (ctx *Context) Fill(x, y, width, height int, ref tb.Cell) {
_x := x
- for ; y < height && y < ctx.height; y++ {
- for ; x < width && x < ctx.width; x++ {
+ _y := y
+ for ; y < _y+height && y < ctx.height; y++ {
+ for ; x < _x+width && x < ctx.width; x++ {
ctx.SetCell(x, y, ref.Ch, ref.Fg, ref.Bg)
}
x = _x
diff --git a/ui/tab.go b/ui/tab.go
new file mode 100644
index 0000000..e6a8aa5
--- /dev/null
+++ b/ui/tab.go
@@ -0,0 +1,115 @@
+package ui
+
+import (
+ tb "github.com/nsf/termbox-go"
+)
+
+type Tabs struct {
+ Tabs []*Tab
+ TabStrip *TabStrip
+ TabContent *TabContent
+ Selected int
+
+ onInvalidateStrip func(d Drawable)
+ onInvalidateContent func(d Drawable)
+}
+
+type Tab struct {
+ Content Drawable
+ Name string
+ invalid bool
+}
+
+type TabStrip Tabs
+type TabContent Tabs
+
+func NewTabs() *Tabs {
+ tabs := &Tabs{}
+ tabs.TabStrip = (*TabStrip)(tabs)
+ tabs.TabContent = (*TabContent)(tabs)
+ return tabs
+}
+
+func (tabs *Tabs) Add(content Drawable, name string) {
+ tabs.Tabs = append(tabs.Tabs, &Tab{
+ Content: content,
+ Name: name,
+ })
+ tabs.TabStrip.Invalidate()
+ content.OnInvalidate(tabs.invalidateChild)
+}
+
+func (tabs *Tabs) invalidateChild(d Drawable) {
+ for i, tab := range tabs.Tabs {
+ if tab.Content == d {
+ if i == tabs.Selected {
+ tabs.TabContent.Invalidate()
+ }
+ return
+ }
+ }
+}
+
+func (tabs *Tabs) Remove(content Drawable) {
+ for i, tab := range tabs.Tabs {
+ if tab.Content == content {
+ tabs.Tabs = append(tabs.Tabs[:i], tabs.Tabs[i+1:]...)
+ break
+ }
+ }
+ tabs.TabStrip.Invalidate()
+}
+
+func (tabs *Tabs) Select(index int) {
+ if tabs.Selected != index {
+ tabs.Selected = index
+ tabs.TabStrip.Invalidate()
+ tabs.TabContent.Invalidate()
+ }
+}
+
+// TODO: Color repository
+func (strip *TabStrip) Draw(ctx *Context) {
+ x := 0
+ for i, tab := range strip.Tabs {
+ cell := tb.Cell{
+ Fg: tb.ColorBlack,
+ Bg: tb.ColorWhite,
+ }
+ if strip.Selected == i {
+ cell.Fg = tb.ColorDefault
+ cell.Bg = tb.ColorDefault
+ }
+ x += ctx.Printf(x, 0, cell, " %s ", tab.Name)
+ }
+ cell := tb.Cell{
+ Fg: tb.ColorBlack,
+ Bg: tb.ColorWhite,
+ }
+ ctx.Fill(x, 0, ctx.Width()-x, 1, cell)
+}
+
+func (strip *TabStrip) Invalidate() {
+ if strip.onInvalidateStrip != nil {
+ strip.onInvalidateStrip(strip)
+ }
+}
+
+func (strip *TabStrip) OnInvalidate(onInvalidate func(d Drawable)) {
+ strip.onInvalidateStrip = onInvalidate
+}
+
+func (content *TabContent) Draw(ctx *Context) {
+ tab := content.Tabs[content.Selected]
+ tab.Content.Draw(ctx)
+}
+
+func (content *TabContent) Invalidate() {
+ if content.onInvalidateContent != nil {
+ content.onInvalidateContent(content)
+ }
+}
+
+func (content *TabContent) OnInvalidate(onInvalidate func(d Drawable)) {
+ content.onInvalidateContent = onInvalidate
+}