1 files changed, 157 insertions, 0 deletions
diff --git a/ui/tcell/window.go b/ui/tcell/window.go
new file mode 100644
index 0000000..fcb146c
--- /dev/null
+++ b/ui/tcell/window.go
@@ -0,0 +1,157 @@
+package uitcell
+
+import (
+	"fmt"
+
+	"github.com/gdamore/tcell"
+	"github.com/prodhe/poe/editor"
+)
+
+// Window is a tagline and a body with an optional underlying file on disk. It is the main component and handles all events apart from the system wide shortcuts.
+type Window struct {
+	x, y, w, h int
+	bufid      int64
+	body       *View
+	tagline    *View
+	col        *Column // reference to the column where in
+	hidden     bool
+	collapsed  bool // not implemented
+	qcnt       int  // quit count
+}
+
+// NewWindow returns a fresh window associated with the given filename. For special case filenames, look at the package constants.
+func NewWindow(id int64) *Window {
+	win := &Window{
+		bufid: id,
+		body: &View{
+			text:         ed.Buffer(id),
+			what:         ViewBody,
+			style:        bodyStyle,
+			cursorStyle:  bodyCursorStyle,
+			hilightStyle: bodyHilightStyle,
+			tabstop:      4,
+			focused:      true,
+		},
+		tagline: &View{
+			text:         &editor.Buffer{},
+			what:         ViewTagline,
+			style:        tagStyle,
+			cursorStyle:  tagCursorStyle,
+			hilightStyle: tagHilightStyle,
+			tabstop:      4,
+		},
+	}
+
+	fmt.Fprintf(win.tagline, "%s Del ",
+		win.Name(),
+	)
+
+	return win
+}
+
+func AllWindows() []*Window {
+	var ws []*Window
+	for _, col := range workspace.cols {
+		ws = append(ws, col.windows...)
+	}
+	return ws
+}
+
+// FindWindow searches for the given name in current windows and returns a pointer if one already exists. Nil otherwise. Name assumes to be an absolute path.
+func FindWindow(name string) *Window {
+	for _, win := range AllWindows() {
+		if win.Name() == name {
+			return win
+		}
+	}
+	return nil
+}
+
+// Resize will set new values for position and width height. Meant to be used on a resize event for proper recalculation during the Draw().
+func (win *Window) Resize(x, y, w, h int) {
+	win.x, win.y, win.w, win.h = x, y, w, h
+
+	win.tagline.Resize(win.x+3, win.y, win.w-3, 1) // 3 for tagbox
+	win.body.Resize(win.x, win.y+1, win.w, win.h-1)
+}
+
+func (win *Window) UnFocus() {
+	win.body.focused = true
+	win.tagline.focused = false
+}
+
+func (win *Window) Name() string {
+	return win.body.text.Name()
+}
+
+func (win *Window) Dir() string {
+	return win.body.text.WorkDir()
+}
+
+func (win *Window) HandleEvent(ev tcell.Event) {
+	switch ev := ev.(type) {
+	case *tcell.EventMouse:
+		_, my := ev.Position()
+
+		// Set focus to either tagline or body
+		if my > win.tagline.y+win.tagline.h-1 {
+			win.tagline.focused = false
+		} else {
+			win.tagline.focused = true
+		}
+	case *tcell.EventKey:
+		switch ev.Key() {
+		case tcell.KeyCtrlS: // save
+			_, err := win.body.text.SaveFile()
+			if err != nil {
+				printMsg("%s\n", err)
+			}
+			return
+		}
+	}
+
+	// Pass along the event down to current view, if we have not already done something and returned in the switch above.
+	if win.tagline.focused {
+		win.tagline.HandleEvent(ev)
+	} else {
+		win.body.HandleEvent(ev)
+	}
+}
+
+func (win *Window) Draw() {
+	// Draw tag square
+	boxstyle := tagSquareStyle
+	if win.body.dirty {
+		boxstyle = tagSquareModifiedStyle
+	}
+	screen.SetContent(win.x, win.y, ' ', nil, boxstyle)
+	screen.SetContent(win.x+1, win.y, ' ', nil, boxstyle)
+	screen.SetContent(win.x+2, win.y, ' ', nil, win.tagline.style)
+
+	// Tagline
+	win.tagline.Draw()
+
+	// Main text buffer
+	win.body.Draw()
+}
+
+func (win *Window) CanClose() bool {
+	ok := !win.body.dirty || win.qcnt > 0
+	if !ok {
+		name := win.Name()
+		if name == FnEmptyWin {
+			name = "unnamed file"
+		}
+		printMsg("%s modified\n", name)
+		win.qcnt++
+	}
+	return ok
+}
+
+func (win *Window) Close() {
+	if !win.CanClose() {
+		return
+	}
+	ed.CloseBuffer(win.bufid)
+	win.col.CloseWindow(win)
+}