From 5d86f5c93f00fd9167626ed24d9003d33bb576a2 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 14 May 2024 20:03:06 +0530
Subject: [PATCH] Start work on face panel

---
 kittens/choose_fonts/face.go  | 58 +++++++++++++++++++++++++++++++++++
 kittens/choose_fonts/faces.go | 16 ++++++++++
 kittens/choose_fonts/ui.go    |  7 +++--
 3 files changed, 78 insertions(+), 3 deletions(-)
 create mode 100644 kittens/choose_fonts/face.go

diff --git a/kittens/choose_fonts/face.go b/kittens/choose_fonts/face.go
new file mode 100644
index 000000000..f6bde91a4
--- /dev/null
+++ b/kittens/choose_fonts/face.go
@@ -0,0 +1,58 @@
+package choose_fonts
+
+import (
+	"fmt"
+	"kitty/tools/tui/loop"
+	"sync"
+)
+
+var _ = fmt.Print
+
+type face_panel struct {
+	handler *handler
+
+	family, which       string
+	settings            faces_settings
+	setting             string
+	preview_cache       map[faces_preview_key]map[string]RenderedSampleTransmit
+	preview_cache_mutex sync.Mutex
+}
+
+func (self *face_panel) draw_screen() (err error) {
+	return
+}
+
+func (self *face_panel) initialize(h *handler) (err error) {
+	self.handler = h
+	self.preview_cache = make(map[faces_preview_key]map[string]RenderedSampleTransmit)
+	return
+}
+
+func (self *face_panel) on_wakeup() error {
+	return self.handler.draw_screen()
+}
+
+func (self *face_panel) on_click(id string) (err error) {
+	return
+}
+
+func (self *face_panel) on_key_event(event *loop.KeyEvent) (err error) {
+	if event.MatchesPressOrRepeat("esc") {
+		event.Handled = true
+		self.handler.current_pane = &self.handler.faces
+		return self.handler.draw_screen()
+	}
+	return
+}
+
+func (self *face_panel) on_text(text string, from_key_event bool, in_bracketed_paste bool) (err error) {
+	return
+}
+
+func (self *face_panel) on_enter(family, which string, settings faces_settings) error {
+	self.family = family
+	self.settings = settings
+	self.which = which
+	self.handler.current_pane = self
+	return self.handler.draw_screen()
+}
diff --git a/kittens/choose_fonts/faces.go b/kittens/choose_fonts/faces.go
index b70c4da0e..40905e34a 100644
--- a/kittens/choose_fonts/faces.go
+++ b/kittens/choose_fonts/faces.go
@@ -117,6 +117,22 @@ func (self *faces) on_key_event(event *loop.KeyEvent) (err error) {
 }
 
 func (self *faces) on_text(text string, from_key_event bool, in_bracketed_paste bool) (err error) {
+	if from_key_event {
+		which := ""
+		switch text {
+		case "r", "R":
+			which = "font_family"
+		case "b", "B":
+			which = "bold_font"
+		case "i", "I":
+			which = "italic_font"
+		case "o", "O":
+			which = "bold_italic_font"
+		}
+		if which != "" {
+			return self.handler.face_pane.on_enter(self.family, which, self.settings)
+		}
+	}
 	return
 }
 
diff --git a/kittens/choose_fonts/ui.go b/kittens/choose_fonts/ui.go
index ba86fa8b0..5014f1b6f 100644
--- a/kittens/choose_fonts/ui.go
+++ b/kittens/choose_fonts/ui.go
@@ -51,8 +51,9 @@ type handler struct {
 	graphics_manager     graphics_manager
 	temp_dir             string
 
-	listing FontList
-	faces   faces
+	listing   FontList
+	faces     faces
+	face_pane face_panel
 
 	panes        []pane
 	current_pane pane
@@ -75,7 +76,7 @@ func (h *handler) initialize() (err error) {
 	h.lp.SetCursorVisible(false)
 	h.lp.OnQueryResponse = h.on_query_response
 	h.lp.QueryTerminal("font_size", "dpi_x", "dpi_y", "foreground", "background")
-	h.panes = []pane{&h.listing, &h.faces}
+	h.panes = []pane{&h.listing, &h.faces, &h.face_pane}
 	for _, pane := range h.panes {
 		if err = pane.initialize(h); err != nil {
 			return err