Implement style configuration.

Introduce the ability to configure stylesets, allowing customization of
aerc's look (color scheme, font weight, etc). Default styleset is
installed to /path/to/aerc/stylesets/default.

1 files changed, 32 insertions, 18 deletions

diff --git a/widgets/msglist.go b/widgets/msglist.go
index 1ed6bb1..e38dd9e 100644
--- a/widgets/msglist.go
+++ b/widgets/msglist.go
@@ -50,7 +50,8 @@ func (ml *MessageList) Invalidate() {
 
 func (ml *MessageList) Draw(ctx *ui.Context) {
 	ml.height = ctx.Height()
-	ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
+	ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ',
+		ml.aerc.SelectedAccount().UiConfig().GetStyle(config.STYLE_MSGLIST_DEFAULT))
 
 	store := ml.Store()
 	if store == nil {
@@ -101,38 +102,50 @@ func (ml *MessageList) Draw(ctx *ui.Context) {
 			continue
 		}
 
-		style := tcell.StyleDefault
+		uiConfig := ml.conf.GetUiConfig(map[config.ContextType]string{
+			config.UI_CONTEXT_ACCOUNT: ml.aerc.SelectedAccount().AccountConfig().Name,
+			config.UI_CONTEXT_FOLDER:  ml.aerc.SelectedAccount().Directories().Selected(),
+			config.UI_CONTEXT_SUBJECT: msg.Envelope.Subject,
+		})
+
+		so := config.STYLE_MSGLIST_DEFAULT
 
-		// current row
-		if row == ml.store.SelectedIndex()-ml.scroll {
-			style = style.Reverse(true)
-		}
 		// deleted message
 		if _, ok := store.Deleted[msg.Uid]; ok {
-			style = style.Foreground(tcell.ColorGray)
+			so = config.STYLE_MSGLIST_DELETED
 		}
 		// unread message
 		seen := false
+		flagged := false
 		for _, flag := range msg.Flags {
-			if flag == models.SeenFlag {
+			switch flag {
+			case models.SeenFlag:
 				seen = true
+			case models.FlaggedFlag:
+				flagged = true
 			}
 		}
 		if !seen {
-			style = style.Bold(true)
+			so = config.STYLE_MSGLIST_UNREAD
 		}
 
-		ctx.Fill(0, row, textWidth, 1, ' ', style)
+		if flagged {
+			so = config.STYLE_MSGLIST_FLAGGED
+		}
 
-		confParams := map[config.ContextType]string{
-			config.UI_CONTEXT_ACCOUNT: ml.aerc.SelectedAccount().AccountConfig().Name,
-			config.UI_CONTEXT_FOLDER:  ml.aerc.SelectedAccount().Directories().Selected(),
+		// marked message
+		if store.IsMarked(msg.Uid) {
+			so = config.STYLE_MSGLIST_MARKED
 		}
-		if msg.Envelope != nil {
-			confParams[config.UI_CONTEXT_SUBJECT] = msg.Envelope.Subject
+
+		style := uiConfig.GetStyle(so)
+
+		// current row
+		if row == ml.store.SelectedIndex()-ml.scroll {
+			style = uiConfig.GetStyleSelected(so)
 		}
-		uiConfig := ml.conf.GetUiConfig(confParams)
 
+		ctx.Fill(0, row, ctx.Width(), 1, ' ', style)
 		fmtStr, args, err := format.ParseMessageFormat(
 			ml.aerc.SelectedAccount().acct.From,
 			uiConfig.IndexFormat,
@@ -342,7 +355,8 @@ func (ml *MessageList) ensureScroll() {
 }
 
 func (ml *MessageList) drawEmptyMessage(ctx *ui.Context) {
-	msg := ml.aerc.SelectedAccount().UiConfig().EmptyMessage
+	uiConfig := ml.aerc.SelectedAccount().UiConfig()
+	msg := uiConfig.EmptyMessage
 	ctx.Printf((ctx.Width()/2)-(len(msg)/2), 0,
-		tcell.StyleDefault, "%s", msg)
+		uiConfig.GetStyle(config.STYLE_MSGLIST_DEFAULT), "%s", msg)
 }