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Implement drawing of status bar

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This commit is contained in:
Kovid Goyal
2023-03-21 17:46:04 +05:30
parent cf5ea96126
commit 2a185575b2
2 changed files with 55 additions and 9 deletions
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30
tools/cmd/diff/ui.go
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@@ -11,6 +11,7 @@ import (
"kitty/tools/tui/graphics"
"kitty/tools/tui/loop"
"kitty/tools/utils"
"kitty/tools/wcswidth"
)
var _ = fmt.Print
@@ -51,6 +52,8 @@ type Handler struct {
added_count, removed_count int
screen_size struct{ rows, columns, num_lines int }
scroll_pos, max_scroll_pos ScrollPos
inputting_command bool
statusline_message string
}
func (self *Handler) calculate_statistics() {
@@ -242,7 +245,34 @@ func (self *Handler) draw_screen() {
}
}
}
self.draw_status_line()
}
func (self *Handler) draw_status_line() {
if self.logical_lines == nil || self.diff_map == nil {
return
}
self.lp.MoveCursorTo(1, self.screen_size.rows)
self.lp.ClearToEndOfLine()
if self.inputting_command {
// TODO: implement this
} else if self.statusline_message != "" {
// TODO: implement this
} else {
num := self.logical_lines.NumScreenLinesTo(self.scroll_pos)
den := self.logical_lines.NumScreenLinesTo(self.max_scroll_pos)
var frac int
if den > 0 {
frac = int((float64(num) * 100.0) / float64(den))
}
sp := statusline_format(fmt.Sprintf("%d%%", frac))
// TODO: output num of search matches
counts := added_count_format(strconv.Itoa(self.added_count)) + statusline_format(`,`) + removed_count_format(strconv.Itoa(self.removed_count))
suffix := counts + " " + sp
prefix := statusline_format(":")
filler := strings.Repeat(" ", utils.Max(0, self.screen_size.columns-wcswidth.Stringwidth(prefix)-wcswidth.Stringwidth(suffix)))
self.lp.QueueWriteString(prefix + filler + suffix)
}
}
func (self *Handler) on_key_event(ev *loop.KeyEvent) error {