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Merge pull request #48 from dzhou121/feature/ext-cmdline
Feature ext-cmdline
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| package gonvim | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
| ) | ||
|
|
||
| // CmdContent is the content of the cmdline | ||
| type CmdContent struct { | ||
| indent int | ||
| firstc string | ||
| prompt string | ||
| content string | ||
| } | ||
|
|
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| // Cmdline is the cmdline | ||
| type Cmdline struct { | ||
| pos int | ||
| content *CmdContent | ||
| preContent *CmdContent | ||
| function []*CmdContent | ||
| inFunction bool | ||
| rawItems []interface{} | ||
| wildmenuShown bool | ||
| top int | ||
| } | ||
|
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| func initCmdline() *Cmdline { | ||
| return &Cmdline{ | ||
| content: &CmdContent{}, | ||
| rawItems: make([]interface{}, 0), | ||
| } | ||
| } | ||
|
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| func (c *CmdContent) getText() string { | ||
| indentStr := "" | ||
| for i := 0; i < c.indent; i++ { | ||
| indentStr += " " | ||
| } | ||
| return fmt.Sprintf("%s%s", indentStr, c.content) | ||
| } | ||
|
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| func (c *Cmdline) getText(ch string) string { | ||
| indentStr := "" | ||
| for i := 0; i < c.content.indent; i++ { | ||
| indentStr += " " | ||
| } | ||
| return fmt.Sprintf("%s%s%s", c.content.firstc, indentStr, c.content.content[:c.pos]+ch+c.content.content[c.pos:]) | ||
| } | ||
|
|
||
| func (c *Cmdline) show(args []interface{}) { | ||
| arg := args[0].([]interface{}) | ||
| content := arg[0].([]interface{})[0].([]interface{})[1].(string) | ||
| pos := reflectToInt(arg[1]) | ||
| firstc := arg[2].(string) | ||
| prompt := arg[3].(string) | ||
| indent := reflectToInt(arg[4]) | ||
| // level := reflectToInt(arg[5]) | ||
| // fmt.Println("cmdline show", content, pos, firstc, prompt, indent, level) | ||
|
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| c.pos = pos | ||
| c.content.firstc = firstc | ||
| c.content.content = content | ||
| c.content.indent = indent | ||
| c.content.prompt = prompt | ||
| text := c.getText("") | ||
| palette := editor.palette | ||
| palette.setPattern(text) | ||
| c.cursorMove() | ||
| if !c.wildmenuShown { | ||
| c.showAddition() | ||
| palette.scrollCol.Hide() | ||
| } | ||
| palette.refresh() | ||
| } | ||
|
|
||
| func (c *Cmdline) showAddition() { | ||
| lines := append(c.getPromptLines(), c.getFunctionLines()...) | ||
| palette := editor.palette | ||
| for i, resultItem := range palette.resultItems { | ||
| if i >= len(lines) || i >= palette.showTotal { | ||
| resultItem.hide() | ||
| continue | ||
| } | ||
| resultItem.setItem(lines[i], "", []int{}) | ||
| resultItem.setSelected(false) | ||
| resultItem.show() | ||
| } | ||
| } | ||
|
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| func (c *Cmdline) getPromptLines() []string { | ||
| result := []string{} | ||
| if c.content.prompt == "" { | ||
| return result | ||
| } | ||
|
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||
| lines := strings.Split(c.content.prompt, "\n") | ||
| for _, line := range lines { | ||
| if strings.TrimSpace(line) == "" { | ||
| continue | ||
| } | ||
| result = append(result, line) | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| func (c *Cmdline) getFunctionLines() []string { | ||
| result := []string{} | ||
| if !c.inFunction { | ||
| return result | ||
| } | ||
|
|
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| for _, content := range c.function { | ||
| result = append(result, content.getText()) | ||
| } | ||
| return result | ||
| } | ||
|
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| func (c *Cmdline) cursorMove() { | ||
| editor.palette.cursorMove(c.pos + len(c.content.firstc) + c.content.indent) | ||
| } | ||
|
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||
| func (c *Cmdline) hide(args []interface{}) { | ||
| palette := editor.palette | ||
| palette.hide() | ||
| if c.inFunction { | ||
| c.function = append(c.function, c.content) | ||
| } | ||
| c.preContent = c.content | ||
| c.content = &CmdContent{} | ||
| } | ||
|
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| func (c *Cmdline) functionShow() { | ||
| c.inFunction = true | ||
| c.function = []*CmdContent{c.preContent} | ||
| } | ||
|
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||
| func (c *Cmdline) functionHide() { | ||
| c.inFunction = false | ||
| } | ||
|
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||
| func (c *Cmdline) changePos(args []interface{}) { | ||
| args = args[0].([]interface{}) | ||
| pos := reflectToInt(args[0]) | ||
| // level := reflectToInt(args[1]) | ||
| // fmt.Println("change pos", pos, level) | ||
| c.pos = pos | ||
| c.cursorMove() | ||
| } | ||
|
|
||
| func (c *Cmdline) putChar(args []interface{}) { | ||
| args = args[0].([]interface{}) | ||
| ch := args[0].(string) | ||
| // shift := reflectToInt(args[1]) | ||
| // level := reflectToInt(args[2]) | ||
| // fmt.Println("putChar", ch, shift, level) | ||
| text := c.getText(ch) | ||
| palette := editor.palette | ||
| palette.setPattern(text) | ||
| } | ||
|
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||
| func (c *Cmdline) wildmenuShow(args []interface{}) { | ||
| c.wildmenuShown = true | ||
| args = args[0].([]interface{}) | ||
| c.rawItems = args[0].([]interface{}) | ||
| palette := editor.palette | ||
| c.top = 0 | ||
| for i := 0; i < palette.showTotal; i++ { | ||
| resultItem := palette.resultItems[i] | ||
| if i >= len(c.rawItems) { | ||
| resultItem.hide() | ||
| continue | ||
| } | ||
| text := c.rawItems[i].(string) | ||
| resultItem.setItem(text, "", []int{}) | ||
| resultItem.show() | ||
| resultItem.setSelected(false) | ||
| } | ||
|
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||
| total := len(c.rawItems) | ||
| if total > palette.showTotal { | ||
| height := int(float64(palette.showTotal) / float64(total) * float64(palette.itemHeight*palette.showTotal)) | ||
| if height == 0 { | ||
| height = 1 | ||
| } | ||
| palette.scrollBar.SetFixedHeight(height) | ||
| palette.scrollBarPos = 0 | ||
| palette.scrollBar.Move2(0, palette.scrollBarPos) | ||
| palette.scrollCol.Show() | ||
| } else { | ||
| palette.scrollCol.Hide() | ||
| } | ||
| } | ||
|
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||
| func (c *Cmdline) wildmenuSelect(args []interface{}) { | ||
| selected := reflectToInt(args[0].([]interface{})[0]) | ||
| // fmt.Println("selected is", selected) | ||
| showTotal := editor.palette.showTotal | ||
| if selected == -1 && c.top > 0 { | ||
| c.wildmenuScroll(-c.top) | ||
| } | ||
| if selected-c.top >= showTotal { | ||
| c.wildmenuScroll(selected - c.top - showTotal + 1) | ||
| } | ||
| if selected >= 0 && selected-c.top < 0 { | ||
| c.wildmenuScroll(-1) | ||
| } | ||
| palette := editor.palette | ||
| for i := 0; i < palette.showTotal; i++ { | ||
| item := palette.resultItems[i] | ||
| item.setSelected(selected == i+c.top) | ||
| } | ||
| } | ||
|
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| func (c *Cmdline) wildmenuScroll(n int) { | ||
| c.top += n | ||
| palette := editor.palette | ||
| for i := 0; i < palette.showTotal; i++ { | ||
| resultItem := palette.resultItems[i] | ||
| if i >= len(c.rawItems) { | ||
| resultItem.hide() | ||
| continue | ||
| } | ||
| text := c.rawItems[i+c.top].(string) | ||
| resultItem.setItem(text, "", []int{}) | ||
| resultItem.show() | ||
| resultItem.setSelected(false) | ||
| } | ||
| palette.scrollBarPos = int((float64(c.top) / float64(len(c.rawItems))) * float64(palette.itemHeight*palette.showTotal)) | ||
| palette.scrollBar.Move2(0, palette.scrollBarPos) | ||
| } | ||
|
|
||
| func (c *Cmdline) wildmenuHide() { | ||
| c.wildmenuShown = false | ||
| } |
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