package main
import (
+ "fmt"
"os"
+ "reflect"
"strconv"
"strings"
"time"
- "github.com/mitchellh/go-homedir"
"github.com/zyedidia/tcell"
)
+// The ViewType defines what kind of view this is
type ViewType struct {
- kind int
- readonly bool // The file cannot be edited
- scratch bool // The file cannot be saved
+ Kind int
+ Readonly bool // The file cannot be edited
+ Scratch bool // The file cannot be saved
}
var (
vtHelp = ViewType{1, true, true}
vtLog = ViewType{2, true, true}
vtScratch = ViewType{3, false, true}
+ vtRaw = ViewType{4, true, true}
)
// The View struct stores information about a view into a buffer.
// The buffer
Buf *Buffer
// The statusline
- sline Statusline
+ sline *Statusline
// Since tcell doesn't differentiate between a mouse release event
// and a mouse move event with no keys pressed, we need to keep
// mouse release events
mouseReleased bool
+ // We need to keep track of insert key press toggle
+ isOverwriteMode bool
// This stores when the last click was
// This is useful for detecting double and triple clicks
lastClickTime time.Time
+ lastLoc Loc
// lastCutTime stores when the last ctrl+k was issued.
// It is used for clearing the clipboard to replace it with fresh cut lines.
cellview *CellView
splitNode *LeafNode
+
+ scrollbar *ScrollBar
}
// NewView returns a new fullscreen view
v.messages = make(map[string][]GutterMessage)
- v.sline = Statusline{
+ v.sline = &Statusline{
+ view: v,
+ }
+
+ v.scrollbar = &ScrollBar{
view: v,
}
}
clip = strings.Replace(clip, "\n", "\n"+leadingWS, -1)
v.Buf.Insert(v.Cursor.Loc, clip)
- v.Cursor.Loc = v.Cursor.Loc.Move(Count(clip), v.Buf)
+ // v.Cursor.Loc = v.Cursor.Loc.Move(Count(clip), v.Buf)
v.freshClip = false
messenger.Message("Pasted clipboard")
}
// If there are unsaved changes, the user will be asked if the view can be closed
// causing them to lose the unsaved changes
func (v *View) CanClose() bool {
- if v.Type == vtDefault && v.Buf.IsModified {
- var char rune
+ if v.Type == vtDefault && v.Buf.Modified() {
+ var choice bool
var canceled bool
if v.Buf.Settings["autosave"].(bool) {
- char = 'y'
+ choice = true
} else {
- char, canceled = messenger.LetterPrompt("Save changes to "+v.Buf.GetName()+" before closing? (y,n,esc) ", 'y', 'n')
+ choice, canceled = messenger.YesNoPrompt("Save changes to " + v.Buf.GetName() + " before closing? (y,n,esc) ")
}
if !canceled {
- if char == 'y' {
+ //if char == 'y' {
+ if choice {
v.Save(true)
- return true
- } else if char == 'n' {
- return true
}
+ } else {
+ return false
}
- } else {
- return true
}
- return false
+ return true
}
// OpenBuffer opens a new buffer in this view.
// Set mouseReleased to true because we assume the mouse is not being pressed when
// the editor is opened
v.mouseReleased = true
+ // Set isOverwriteMode to false, because we assume we are in the default mode when editor
+ // is opened
+ v.isOverwriteMode = false
v.lastClickTime = time.Time{}
}
// Open opens the given file in the view
func (v *View) Open(filename string) {
- home, _ := homedir.Dir()
- filename = strings.Replace(filename, "~", home, 1)
+ filename = ReplaceHome(filename)
file, err := os.Open(filename)
fileInfo, _ := os.Stat(filename)
// HSplit opens a horizontal split with the given buffer
func (v *View) HSplit(buf *Buffer) {
i := 0
- if v.Buf.Settings["splitBottom"].(bool) {
+ if v.Buf.Settings["splitbottom"].(bool) {
i = 1
}
v.splitNode.HSplit(buf, v.Num+i)
// VSplit opens a vertical split with the given buffer
func (v *View) VSplit(buf *Buffer) {
i := 0
- if v.Buf.Settings["splitRight"].(bool) {
+ if v.Buf.Settings["splitright"].(bool) {
i = 1
}
v.splitNode.VSplit(buf, v.Num+i)
v.Cursor.LastVisualX = v.Cursor.GetVisualX()
}
+// Execute actions executes the supplied actions
+func (v *View) ExecuteActions(actions []func(*View, bool) bool) bool {
+ relocate := false
+ readonlyBindingsList := []string{"Delete", "Insert", "Backspace", "Cut", "Play", "Paste", "Move", "Add", "DuplicateLine", "Macro"}
+ for _, action := range actions {
+ readonlyBindingsResult := false
+ funcName := ShortFuncName(action)
+ if v.Type.Readonly == true {
+ // check for readonly and if true only let key bindings get called if they do not change the contents.
+ for _, readonlyBindings := range readonlyBindingsList {
+ if strings.Contains(funcName, readonlyBindings) {
+ readonlyBindingsResult = true
+ }
+ }
+ }
+ if !readonlyBindingsResult {
+ // call the key binding
+ relocate = action(v, true) || relocate
+ // Macro
+ if funcName != "ToggleMacro" && funcName != "PlayMacro" {
+ if recordingMacro {
+ curMacro = append(curMacro, action)
+ }
+ }
+ }
+ }
+
+ return relocate
+}
+
+// SetCursor sets the view's and buffer's cursor
+func (v *View) SetCursor(c *Cursor) bool {
+ if c == nil {
+ return false
+ }
+ v.Cursor = c
+ v.Buf.curCursor = c.Num
+
+ return true
+}
+
// HandleEvent handles an event passed by the main loop
func (v *View) HandleEvent(event tcell.Event) {
+ if v.Type == vtRaw {
+ v.Buf.Insert(v.Cursor.Loc, reflect.TypeOf(event).String()[7:])
+ v.Buf.Insert(v.Cursor.Loc, fmt.Sprintf(": %q\n", event.EscSeq()))
+
+ switch e := event.(type) {
+ case *tcell.EventKey:
+ if e.Key() == tcell.KeyCtrlQ {
+ v.Quit(true)
+ }
+ }
+
+ return
+ }
+
// This bool determines whether the view is relocated at the end of the function
// By default it's true because most events should cause a relocate
relocate := true
v.Buf.CheckModTime()
switch e := event.(type) {
+ case *tcell.EventRaw:
+ for key, actions := range bindings {
+ if key.keyCode == -1 {
+ if e.EscSeq() == key.escape {
+ for _, c := range v.Buf.cursors {
+ ok := v.SetCursor(c)
+ if !ok {
+ break
+ }
+ relocate = false
+ relocate = v.ExecuteActions(actions) || relocate
+ }
+ v.SetCursor(&v.Buf.Cursor)
+ v.Buf.MergeCursors()
+ break
+ }
+ }
+ }
case *tcell.EventKey:
// Check first if input is a key binding, if it is we 'eat' the input and don't insert a rune
isBinding := false
- if e.Key() != tcell.KeyRune || e.Modifiers() != 0 {
- for key, actions := range bindings {
- if e.Key() == key.keyCode {
- if e.Key() == tcell.KeyRune {
- if e.Rune() != key.r {
- continue
- }
+ for key, actions := range bindings {
+ if e.Key() == key.keyCode {
+ if e.Key() == tcell.KeyRune {
+ if e.Rune() != key.r {
+ continue
}
- if e.Modifiers() == key.modifiers {
+ }
+ if e.Modifiers() == key.modifiers {
+ for _, c := range v.Buf.cursors {
+ ok := v.SetCursor(c)
+ if !ok {
+ break
+ }
relocate = false
isBinding = true
- for _, action := range actions {
- relocate = action(v, true) || relocate
- funcName := FuncName(action)
- if funcName != "main.(*View).ToggleMacro" && funcName != "main.(*View).PlayMacro" {
- if recordingMacro {
- curMacro = append(curMacro, action)
- }
- }
- }
- break
+ relocate = v.ExecuteActions(actions) || relocate
}
+ v.SetCursor(&v.Buf.Cursor)
+ v.Buf.MergeCursors()
+ break
}
}
}
+
if !isBinding && e.Key() == tcell.KeyRune {
- // Insert a character
- if v.Cursor.HasSelection() {
- v.Cursor.DeleteSelection()
- v.Cursor.ResetSelection()
- }
- v.Buf.Insert(v.Cursor.Loc, string(e.Rune()))
- v.Cursor.Right()
+ // Check viewtype if readonly don't insert a rune (readonly help and log view etc.)
+ if v.Type.Readonly == false {
+ for _, c := range v.Buf.cursors {
+ v.SetCursor(c)
+
+ // Insert a character
+ if v.Cursor.HasSelection() {
+ v.Cursor.DeleteSelection()
+ v.Cursor.ResetSelection()
+ }
- for pl := range loadedPlugins {
- _, err := Call(pl+".onRune", string(e.Rune()), v)
- if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
- TermMessage(err)
- }
- }
+ if v.isOverwriteMode {
+ next := v.Cursor.Loc
+ next.X++
+ v.Buf.Replace(v.Cursor.Loc, next, string(e.Rune()))
+ } else {
+ v.Buf.Insert(v.Cursor.Loc, string(e.Rune()))
+ }
- if recordingMacro {
- curMacro = append(curMacro, e.Rune())
+ for pl := range loadedPlugins {
+ _, err := Call(pl+".onRune", string(e.Rune()), v)
+ if err != nil && !strings.HasPrefix(err.Error(), "function does not exist") {
+ TermMessage(err)
+ }
+ }
+
+ if recordingMacro {
+ curMacro = append(curMacro, e.Rune())
+ }
+ }
+ v.SetCursor(&v.Buf.Cursor)
}
}
case *tcell.EventPaste:
- if !PreActionCall("Paste", v) {
- break
- }
+ // Check viewtype if readonly don't paste (readonly help and log view etc.)
+ if v.Type.Readonly == false {
+ if !PreActionCall("Paste", v) {
+ break
+ }
- v.paste(e.Text())
+ for _, c := range v.Buf.cursors {
+ v.SetCursor(c)
+ v.paste(e.Text())
+ }
+ v.SetCursor(&v.Buf.Cursor)
- PostActionCall("Paste", v)
+ PostActionCall("Paste", v)
+ }
case *tcell.EventMouse:
- x, y := e.Position()
- x -= v.lineNumOffset - v.leftCol + v.x
- y += v.Topline - v.y
// Don't relocate for mouse events
relocate = false
button := e.Buttons()
- switch button {
- case tcell.Button1:
- // Left click
- if v.mouseReleased {
- v.MoveToMouseClick(x, y)
- if time.Since(v.lastClickTime)/time.Millisecond < doubleClickThreshold {
- if v.doubleClick {
- // Triple click
- v.lastClickTime = time.Now()
-
- v.tripleClick = true
- v.doubleClick = false
-
- v.Cursor.SelectLine()
- v.Cursor.CopySelection("primary")
- } else {
- // Double click
- v.lastClickTime = time.Now()
-
- v.doubleClick = true
- v.tripleClick = false
-
- v.Cursor.SelectWord()
- v.Cursor.CopySelection("primary")
+ for key, actions := range bindings {
+ if button == key.buttons && e.Modifiers() == key.modifiers {
+ for _, c := range v.Buf.cursors {
+ ok := v.SetCursor(c)
+ if !ok {
+ break
}
- } else {
- v.doubleClick = false
- v.tripleClick = false
- v.lastClickTime = time.Now()
-
- v.Cursor.OrigSelection[0] = v.Cursor.Loc
- v.Cursor.CurSelection[0] = v.Cursor.Loc
- v.Cursor.CurSelection[1] = v.Cursor.Loc
+ relocate = v.ExecuteActions(actions) || relocate
}
- v.mouseReleased = false
- } else if !v.mouseReleased {
- v.MoveToMouseClick(x, y)
- if v.tripleClick {
- v.Cursor.AddLineToSelection()
- } else if v.doubleClick {
- v.Cursor.AddWordToSelection()
- } else {
- v.Cursor.SetSelectionEnd(v.Cursor.Loc)
- v.Cursor.CopySelection("primary")
+ v.SetCursor(&v.Buf.Cursor)
+ v.Buf.MergeCursors()
+ }
+ }
+
+ for key, actions := range mouseBindings {
+ if button == key.buttons && e.Modifiers() == key.modifiers {
+ for _, action := range actions {
+ action(v, true, e)
}
}
- case tcell.Button2:
- // Middle mouse button was clicked,
- // We should paste primary
- v.PastePrimary(true)
+ }
+
+ switch button {
case tcell.ButtonNone:
// Mouse event with no click
if !v.mouseReleased {
// Mouse was just released
+ x, y := e.Position()
+ x -= v.lineNumOffset - v.leftCol + v.x
+ y += v.Topline - v.y
+
// Relocating here isn't really necessary because the cursor will
// be in the right place from the last mouse event
// However, if we are running in a terminal that doesn't support mouse motion
}
v.mouseReleased = true
}
- case tcell.WheelUp:
- // Scroll up
- scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
- v.ScrollUp(scrollspeed)
- case tcell.WheelDown:
- // Scroll down
- scrollspeed := int(v.Buf.Settings["scrollspeed"].(float64))
- v.ScrollDown(scrollspeed)
}
}
}
}
+func (v *View) mainCursor() bool {
+ return v.Buf.curCursor == len(v.Buf.cursors)-1
+}
+
// GutterMessage creates a message in this view's gutter
func (v *View) GutterMessage(section string, lineN int, msg string, kind int) {
lineN--
}
}
+// DisplayView draws the view to the screen
func (v *View) DisplayView() {
if v.Buf.Settings["softwrap"].(bool) && v.leftCol != 0 {
v.leftCol = 0
}
- if v.Type == vtLog {
- // Log views should always follow the cursor...
+ if v.Type == vtLog || v.Type == vtRaw {
+ // Log or raw views should always follow the cursor...
v.Relocate()
}
}
charLoc := char.realLoc
- if v.Cursor.HasSelection() &&
- (charLoc.GreaterEqual(v.Cursor.CurSelection[0]) && charLoc.LessThan(v.Cursor.CurSelection[1]) ||
- charLoc.LessThan(v.Cursor.CurSelection[0]) && charLoc.GreaterEqual(v.Cursor.CurSelection[1])) {
- // The current character is selected
- lineStyle = defStyle.Reverse(true)
-
- if style, ok := colorscheme["selection"]; ok {
- lineStyle = style
+ for _, c := range v.Buf.cursors {
+ v.SetCursor(c)
+ if v.Cursor.HasSelection() &&
+ (charLoc.GreaterEqual(v.Cursor.CurSelection[0]) && charLoc.LessThan(v.Cursor.CurSelection[1]) ||
+ charLoc.LessThan(v.Cursor.CurSelection[0]) && charLoc.GreaterEqual(v.Cursor.CurSelection[1])) {
+ // The current character is selected
+ lineStyle = defStyle.Reverse(true)
+
+ if style, ok := colorscheme["selection"]; ok {
+ lineStyle = style
+ }
}
}
-
- if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
- v.Cursor.Y == char.realLoc.Y && v.Cursor.X == char.realLoc.X && !cursorSet {
- screen.ShowCursor(xOffset+char.visualLoc.X, yOffset+char.visualLoc.Y)
- cursorSet = true
- }
+ v.SetCursor(&v.Buf.Cursor)
if v.Buf.Settings["cursorline"].(bool) && tabs[curTab].CurView == v.Num &&
!v.Cursor.HasSelection() && v.Cursor.Y == realLineN {
screen.SetContent(xOffset+char.visualLoc.X, yOffset+char.visualLoc.Y, char.drawChar, nil, lineStyle)
+ for i, c := range v.Buf.cursors {
+ v.SetCursor(c)
+ if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
+ v.Cursor.Y == char.realLoc.Y && v.Cursor.X == char.realLoc.X && (!cursorSet || i != 0) {
+ ShowMultiCursor(xOffset+char.visualLoc.X, yOffset+char.visualLoc.Y, i)
+ cursorSet = true
+ }
+ }
+ v.SetCursor(&v.Buf.Cursor)
+
lastChar = char
}
}
var cx, cy int
if lastChar != nil {
lastX = xOffset + lastChar.visualLoc.X + lastChar.width
- if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
- v.Cursor.Y == lastChar.realLoc.Y && v.Cursor.X == lastChar.realLoc.X+1 {
- screen.ShowCursor(lastX, yOffset+lastChar.visualLoc.Y)
- cx, cy = lastX, yOffset+lastChar.visualLoc.Y
+ for i, c := range v.Buf.cursors {
+ v.SetCursor(c)
+ if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
+ v.Cursor.Y == lastChar.realLoc.Y && v.Cursor.X == lastChar.realLoc.X+1 {
+ ShowMultiCursor(lastX, yOffset+lastChar.visualLoc.Y, i)
+ cx, cy = lastX, yOffset+lastChar.visualLoc.Y
+ }
}
- realLoc = Loc{lastChar.realLoc.X, realLineN}
+ v.SetCursor(&v.Buf.Cursor)
+ realLoc = Loc{lastChar.realLoc.X + 1, realLineN}
visualLoc = Loc{lastX - xOffset, lastChar.visualLoc.Y}
} else if len(line) == 0 {
- if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
- v.Cursor.Y == realLineN {
- screen.ShowCursor(xOffset, yOffset+visualLineN)
- cx, cy = xOffset, yOffset+visualLineN
+ for i, c := range v.Buf.cursors {
+ v.SetCursor(c)
+ if tabs[curTab].CurView == v.Num && !v.Cursor.HasSelection() &&
+ v.Cursor.Y == realLineN {
+ ShowMultiCursor(xOffset, yOffset+visualLineN, i)
+ cx, cy = xOffset, yOffset+visualLineN
+ }
}
+ v.SetCursor(&v.Buf.Cursor)
lastX = xOffset
realLoc = Loc{0, realLineN}
visualLoc = Loc{0, visualLineN}
if v.Buf.Settings["cursorline"].(bool) && tabs[curTab].CurView == v.Num &&
!v.Cursor.HasSelection() && v.Cursor.Y == realLineN {
- for i := lastX; i < xOffset+v.Width; i++ {
+ for i := lastX; i < xOffset+v.Width-v.lineNumOffset; i++ {
style := GetColor("cursor-line")
fg, _, _ := style.Decompose()
style = style.Background(fg)
}
}
+// ShowMultiCursor will display a cursor at a location
+// If i == 0 then the terminal cursor will be used
+// Otherwise a fake cursor will be drawn at the position
+func ShowMultiCursor(x, y, i int) {
+ if i == 0 {
+ screen.ShowCursor(x, y)
+ } else {
+ r, _, _, _ := screen.GetContent(x, y)
+ screen.SetContent(x, y, r, nil, defStyle.Reverse(true))
+ }
+}
+
// Display renders the view, the cursor, and statusline
func (v *View) Display() {
- if GetGlobalOption("termtitle").(bool) {
+ if globalSettings["termtitle"].(bool) {
screen.SetTitle("micro: " + v.Buf.GetName())
}
v.DisplayView()
// Don't draw the cursor if it is out of the viewport or if it has a selection
- if (v.Cursor.Y-v.Topline < 0 || v.Cursor.Y-v.Topline > v.Height-1) || (v.Cursor.HasSelection() && v.Num == tabs[curTab].CurView) {
+ if v.Num == tabs[curTab].CurView && (v.Cursor.Y-v.Topline < 0 || v.Cursor.Y-v.Topline > v.Height-1 || v.Cursor.HasSelection()) {
screen.HideCursor()
}
_, screenH := screen.Size()
+
+ if v.Buf.Settings["scrollbar"].(bool) {
+ v.scrollbar.Display()
+ }
+
if v.Buf.Settings["statusline"].(bool) {
v.sline.Display()
} else if (v.y + v.Height) != screenH-1 {
projects / micro.git / blobdiff