From 22cbd9fa58512ffdcc975bab37a55467d5e10968 Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Thu, 8 Sep 2022 01:01:22 +0900
Subject: Implement height range (--height ~[VALUE][%])

Close #2953
---
 src/tui/dummy.go | 13 +++++++------
 src/tui/light.go |  7 +++++++
 src/tui/tcell.go |  2 ++
 src/tui/tui.go   |  1 +
 4 files changed, 17 insertions(+), 6 deletions(-)

(limited to 'src/tui')

diff --git a/src/tui/dummy.go b/src/tui/dummy.go
index 297a887e..adecd6fc 100644
--- a/src/tui/dummy.go
+++ b/src/tui/dummy.go
@@ -27,12 +27,13 @@ const (
 	StrikeThrough = Attr(1 << 7)
 )
 
-func (r *FullscreenRenderer) Init()             {}
-func (r *FullscreenRenderer) Pause(bool)        {}
-func (r *FullscreenRenderer) Resume(bool, bool) {}
-func (r *FullscreenRenderer) Clear()            {}
-func (r *FullscreenRenderer) Refresh()          {}
-func (r *FullscreenRenderer) Close()            {}
+func (r *FullscreenRenderer) Init()                              {}
+func (r *FullscreenRenderer) Resize(maxHeightFunc func(int) int) {}
+func (r *FullscreenRenderer) Pause(bool)                         {}
+func (r *FullscreenRenderer) Resume(bool, bool)                  {}
+func (r *FullscreenRenderer) Clear()                             {}
+func (r *FullscreenRenderer) Refresh()                           {}
+func (r *FullscreenRenderer) Close()                             {}
 
 func (r *FullscreenRenderer) GetChar() Event { return Event{} }
 func (r *FullscreenRenderer) MaxX() int      { return 0 }
diff --git a/src/tui/light.go b/src/tui/light.go
index 0546caa8..20b7b9d5 100644
--- a/src/tui/light.go
+++ b/src/tui/light.go
@@ -189,6 +189,10 @@ func (r *LightRenderer) Init() {
 	}
 }
 
+func (r *LightRenderer) Resize(maxHeightFunc func(int) int) {
+	r.maxHeightFunc = maxHeightFunc
+}
+
 func (r *LightRenderer) makeSpace() {
 	r.stderr("\n")
 	r.csi("G")
@@ -676,6 +680,9 @@ func (r *LightRenderer) MaxX() int {
 }
 
 func (r *LightRenderer) MaxY() int {
+	if r.height == 0 {
+		r.updateTerminalSize()
+	}
 	return r.height
 }
 
diff --git a/src/tui/tcell.go b/src/tui/tcell.go
index 85ef1dd8..1f9a832b 100644
--- a/src/tui/tcell.go
+++ b/src/tui/tcell.go
@@ -99,6 +99,8 @@ const (
 	AttrClear     = Attr(1 << 8)
 )
 
+func (r *FullscreenRenderer) Resize(maxHeightFunc func(int) int) {}
+
 func (r *FullscreenRenderer) defaultTheme() *ColorTheme {
 	if _screen.Colors() >= 256 {
 		return Dark256
diff --git a/src/tui/tui.go b/src/tui/tui.go
index eb09da40..c6d71c12 100644
--- a/src/tui/tui.go
+++ b/src/tui/tui.go
@@ -358,6 +358,7 @@ func MakeTransparentBorder() BorderStyle {
 
 type Renderer interface {
 	Init()
+	Resize(maxHeightFunc func(int) int)
 	Pause(clear bool)
 	Resume(clear bool, sigcont bool)
 	Clear()
-- 
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