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path: root/app/partswitcher.go
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Diffstat (limited to 'app/partswitcher.go')
-rw-r--r--app/partswitcher.go171
1 files changed, 100 insertions, 71 deletions
diff --git a/app/partswitcher.go b/app/partswitcher.go
index fa2f56b2..3f070c44 100644
--- a/app/partswitcher.go
+++ b/app/partswitcher.go
@@ -1,6 +1,8 @@
package app
import (
+ "math"
+
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib/ui"
"github.com/gdamore/tcell/v2"
@@ -8,12 +10,14 @@ import (
)
type PartSwitcher struct {
- parts []*PartViewer
- selected int
- alwaysShowMime bool
+ Scrollable
+ parts []*PartViewer
+ selected int
height int
- mv *MessageViewer
+ offset int
+
+ uiConfig *config.UIConfig
}
func (ps *PartSwitcher) PreviousPart() {
@@ -80,94 +84,119 @@ func (ps *PartSwitcher) Event(event tcell.Event) bool {
}
func (ps *PartSwitcher) Draw(ctx *ui.Context) {
- height := len(ps.parts)
- if height == 1 && !config.Viewer.AlwaysShowMime {
+ uiConfig := ps.uiConfig
+ n := len(ps.parts)
+ if n == 1 && !config.Viewer.AlwaysShowMime {
ps.parts[ps.selected].Draw(ctx)
return
}
+ ps.height = config.Viewer.MaxMimeHeight
+ if ps.height <= 0 || n < ps.height {
+ ps.height = n
+ }
+ if ps.height > ctx.Height()/2 {
+ ps.height = ctx.Height() / 2
+ }
+
+ ps.UpdateScroller(ps.height, n)
+ ps.EnsureScroll(ps.selected)
+
var styleSwitcher, styleFile, styleMime tcell.Style
- // TODO: cap height and add scrolling for messages with many parts
- ps.height = ctx.Height()
- y := ctx.Height() - height
- for i, part := range ps.parts {
+ scrollbarWidth := 0
+ if ps.NeedScrollbar() {
+ scrollbarWidth = 1
+ }
+
+ ps.offset = ctx.Height() - ps.height
+ y := ps.offset
+ row := ps.offset
+ ctx.Fill(0, y, ctx.Width(), ps.height, ' ', uiConfig.GetStyle(config.STYLE_PART_SWITCHER))
+ for i := ps.Scroll(); i < n; i++ {
+ part := ps.parts[i]
if ps.selected == i {
- styleSwitcher = ps.mv.uiConfig.GetStyleSelected(config.STYLE_PART_SWITCHER)
- styleFile = ps.mv.uiConfig.GetStyleSelected(config.STYLE_PART_FILENAME)
- styleMime = ps.mv.uiConfig.GetStyleSelected(config.STYLE_PART_MIMETYPE)
+ styleSwitcher = uiConfig.GetStyleSelected(config.STYLE_PART_SWITCHER)
+ styleFile = uiConfig.GetStyleSelected(config.STYLE_PART_FILENAME)
+ styleMime = uiConfig.GetStyleSelected(config.STYLE_PART_MIMETYPE)
} else {
- styleSwitcher = ps.mv.uiConfig.GetStyle(config.STYLE_PART_SWITCHER)
- styleFile = ps.mv.uiConfig.GetStyle(config.STYLE_PART_FILENAME)
- styleMime = ps.mv.uiConfig.GetStyle(config.STYLE_PART_MIMETYPE)
+ styleSwitcher = uiConfig.GetStyle(config.STYLE_PART_SWITCHER)
+ styleFile = uiConfig.GetStyle(config.STYLE_PART_FILENAME)
+ styleMime = uiConfig.GetStyle(config.STYLE_PART_MIMETYPE)
}
- ctx.Fill(0, y+i, ctx.Width(), 1, ' ', styleSwitcher)
+ ctx.Fill(0, row, ctx.Width(), 1, ' ', styleSwitcher)
left := len(part.index) * 2
if part.part.FileName() != "" {
name := runewidth.Truncate(part.part.FileName(),
ctx.Width()-left-1, "…")
- left += ctx.Printf(left, y+i, styleFile, "%s ", name)
+ left += ctx.Printf(left, row, styleFile, "%s ", name)
}
t := "(" + part.part.FullMIMEType() + ")"
- t = runewidth.Truncate(t, ctx.Width()-left, "…")
- ctx.Printf(left, y+i, styleMime, "%s", t)
+ t = runewidth.Truncate(t, ctx.Width()-left-scrollbarWidth, "…")
+ ctx.Printf(left, row, styleMime, "%s", t)
+ row++
+
+ if (i - ps.Scroll()) >= ps.height {
+ break
+ }
+ }
+ if ps.NeedScrollbar() {
+ ps.drawScrollbar(ctx.Subcontext(ctx.Width()-1, y, 1, ps.height))
}
ps.parts[ps.selected].Draw(ctx.Subcontext(
- 0, 0, ctx.Width(), ctx.Height()-height))
+ 0, 0, ctx.Width(), ctx.Height()-ps.height))
+}
+
+func (ps *PartSwitcher) drawScrollbar(ctx *ui.Context) {
+ uiConfig := ps.uiConfig
+ gutterStyle := uiConfig.GetStyle(config.STYLE_MSGLIST_GUTTER)
+ pillStyle := uiConfig.GetStyle(config.STYLE_MSGLIST_PILL)
+
+ // gutter
+ ctx.Fill(0, 0, 1, ctx.Height(), ' ', gutterStyle)
+
+ // pill
+ pillSize := int(math.Ceil(float64(ctx.Height()) * ps.PercentVisible()))
+ pillOffset := int(math.Floor(float64(ctx.Height()) * ps.PercentScrolled()))
+ ctx.Fill(0, pillOffset, 1, pillSize, ' ', pillStyle)
}
func (ps *PartSwitcher) MouseEvent(localX int, localY int, event tcell.Event) {
- if event, ok := event.(*tcell.EventMouse); ok {
- switch event.Buttons() {
- case tcell.Button1:
- height := len(ps.parts)
- y := ps.height - height
- if localY < y && ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.MouseEvent(localX, localY, event)
- }
- for i := range ps.parts {
- if localY != y+i {
- continue
- }
- if ps.parts[i].part.MIMEType == "multipart" {
- continue
- }
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(false)
- }
- ps.selected = i
- ps.Invalidate()
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(true)
- }
- }
- case tcell.WheelDown:
- height := len(ps.parts)
- y := ps.height - height
- if localY < y && ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.MouseEvent(localX, localY, event)
- }
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(false)
- }
- ps.mv.NextPart()
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(true)
- }
- case tcell.WheelUp:
- height := len(ps.parts)
- y := ps.height - height
- if localY < y && ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.MouseEvent(localX, localY, event)
- }
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(false)
- }
- ps.mv.PreviousPart()
- if ps.parts[ps.selected].term != nil {
- ps.parts[ps.selected].term.Focus(true)
- }
+ if localY < ps.offset && ps.parts[ps.selected].term != nil {
+ ps.parts[ps.selected].term.MouseEvent(localX, localY, event)
+ return
+ }
+
+ e, ok := event.(*tcell.EventMouse)
+ if !ok {
+ return
+ }
+
+ if ps.parts[ps.selected].term != nil {
+ ps.parts[ps.selected].term.Focus(false)
+ }
+
+ switch e.Buttons() {
+ case tcell.Button1:
+ i := localY - ps.offset + ps.Scroll()
+ if i < 0 || i >= len(ps.parts) {
+ break
}
+ if ps.parts[i].part.MIMEType == "multipart" {
+ break
+ }
+ ps.selected = i
+ ps.Invalidate()
+ case tcell.WheelDown:
+ ps.NextPart()
+ ps.Invalidate()
+ case tcell.WheelUp:
+ ps.PreviousPart()
+ ps.Invalidate()
+ }
+
+ if ps.parts[ps.selected].term != nil {
+ ps.parts[ps.selected].term.Focus(true)
}
}
generated by cgit (git 2.34.1) at 2024-11-15 21:56:56 +0000