xuyueandClaude Opus 5.5
ea5a25af06
- Designer.cs 在浏览器端解析为语句列表，未改动的语句保留原文： 教材 25 个参考窗体和全部示例读入再写出逐字节不变 - 编辑操作：添加 / 删除 / 移动 / 改名控件、属性、事件、列表项； 布局语句增删规则与 VS 一致（对全部现有文件执行无变化） - 双击控件或事件：绑定事件并在窗体代码末尾插入处理方法，跳到代码 - 预览复用运行时的 ControlView，设计时与运行时外观一致 - 修正：窗体属性 this.ClientSize = new Size(...) 被误认成创建控件； 示例 Designer.cs 的块头注释改为 VS 的 "// " 格式 - 测试：73 个（读写往返、布局规则、编辑操作、插入事件处理方法） Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
642 lines
20 KiB
Vue
642 lines
20 KiB
Vue
<script setup lang="ts">
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// 窗体设计器（仿 VS）：左边工具箱，中间窗体，下方组件栏，右边属性 / 事件窗口。
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// 窗体用运行时同一套 ControlView 渲染；上面盖一层透明的操作层，负责选中、拖动、改大小、放置新控件。
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// 每次改动都重新生成 Designer.cs，通过 update 事件交给页面保存。
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import { computed, ref, shallowRef, watch } from 'vue'
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import ControlView from '../winforms/ControlView.vue'
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import { displayText, fontCss, type FontValue } from '../winforms/format'
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import { CONTROLS, type ControlDef, FORM_DEF, controlDef, isContainerType } from './catalog'
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import { ensureHandler } from './code'
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import { type DesignerDocument, DesignerParseError, generateDesigner, parseDesigner } from './document'
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import {
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addControl,
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childrenOf,
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getEventHandler,
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getPropText,
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listControls,
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moveControl,
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removeControl,
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renameControl,
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setEvent,
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setItems,
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setProp,
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typeOf,
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} from './edit'
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import PropertyGrid from './PropertyGrid.vue'
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import { componentsOf, previewTree } from './preview'
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import { parseValue, type Value } from './values'
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const props = defineProps<{
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designerText: string
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codeText: string
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}>()
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const emit = defineEmits<{
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/** Designer.cs 改了；codeText 不为空时窗体代码文件也改了（插入了事件处理方法） */
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update: [designerText: string, codeText?: string]
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/** 跳到窗体代码文件的某一行 */
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openCode: [line: number]
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}>()
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// ---------- 文档 ----------
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const parsed = computed<{ doc?: DesignerDocument; error?: string }>(() => {
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try {
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return { doc: parseDesigner(props.designerText) }
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} catch (error) {
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return { error: error instanceof DesignerParseError ? error.message : String(error) }
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}
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})
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/** 拖动过程中的临时文档（松手时才写回文件） */
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const dragDoc = shallowRef<DesignerDocument>()
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const doc = computed(() => dragDoc.value ?? parsed.value.doc)
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const tree = computed(() => (doc.value ? previewTree(doc.value) : undefined))
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const components = computed(() => (doc.value ? componentsOf(doc.value) : []))
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/** 选中的控件；'' 表示窗体 */
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const selected = ref('')
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watch(parsed, () => {
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if (selected.value && doc.value && !listControls(doc.value).some((c) => c.name === selected.value)) selected.value = ''
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})
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function commit(next: DesignerDocument, codeText?: string) {
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dragDoc.value = undefined
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emit('update', generateDesigner(next), codeText)
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}
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// ---------- 几何 ----------
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interface Rect {
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x: number
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y: number
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width: number
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height: number
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}
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function valueOf(d: DesignerDocument, target: string, path: string): Value | undefined {
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const text = getPropText(d, target, path)
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return text === undefined ? undefined : parseValue(text)
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}
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function localRect(d: DesignerDocument, name: string): Rect {
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const location = valueOf(d, name, 'Location')
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const size = valueOf(d, name, 'Size')
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return {
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x: location?.kind === 'point' ? location.x : 0,
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y: location?.kind === 'point' ? location.y : 0,
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width: size?.kind === 'size' ? size.width : 75,
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height: size?.kind === 'size' ? size.height : 23,
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}
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}
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/** 控件在窗体客户区里的绝对位置（Location 相对于所在容器） */
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function absRect(d: DesignerDocument, name: string): Rect {
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const rect = localRect(d, name)
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const parent = listControls(d).find((c) => c.name === name)?.parent
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if (parent) {
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const p = absRect(d, parent)
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rect.x += p.x
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rect.y += p.y
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}
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return rect
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}
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const clientSize = computed(() => {
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const v = doc.value && valueOf(doc.value, '', 'ClientSize')
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return v?.kind === 'size' ? v : { width: 300, height: 300 }
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})
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const contains = (r: Rect, x: number, y: number) => x >= r.x && y >= r.y && x < r.x + r.width && y < r.y + r.height
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/** 找到点下的最上层控件（先查子控件；同一层里 Controls 中靠前的在上面） */
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function hitTest(d: DesignerDocument, x: number, y: number, container = '', skip?: Set<string>): string | null {
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for (const child of childrenOf(d, container)) {
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if (skip?.has(child) || !contains(absRect(d, child), x, y)) continue
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if (isContainerType(typeOf(d, child) ?? '')) return hitTest(d, x, y, child, skip) ?? child
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return child
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}
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return null
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}
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/** 点所在的最深一层容器（窗体为 ''），拖放控件时用来决定放进哪个容器 */
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function containerAt(d: DesignerDocument, x: number, y: number, skip?: Set<string>): string {
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const hit = hitTest(d, x, y, '', skip)
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if (hit === null) return ''
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if (isContainerType(typeOf(d, hit) ?? '')) return hit
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return listControls(d).find((c) => c.name === hit)?.parent ?? ''
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}
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function descendants(d: DesignerDocument, name: string): Set<string> {
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const set = new Set([name])
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for (const child of childrenOf(d, name)) for (const n of descendants(d, child)) set.add(n)
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return set
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}
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const selectedRect = computed(() => (doc.value && selected.value ? absRect(doc.value, selected.value) : undefined))
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const selectedAutoSize = computed(() => doc.value && selected.value && getPropText(doc.value, selected.value, 'AutoSize') === 'true')
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// ---------- 指针操作：选中、移动、改大小 ----------
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const surface = ref<HTMLElement>()
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type Handle = 'n' | 's' | 'e' | 'w' | 'ne' | 'nw' | 'se' | 'sw'
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const HANDLES: Handle[] = ['nw', 'n', 'ne', 'e', 'se', 's', 'sw', 'w']
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let drag:
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| { mode: 'move'; name: string; startX: number; startY: number; origin: Rect; moved: boolean }
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| { mode: 'resize'; name: string; handle: Handle; startX: number; startY: number; origin: Rect }
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| { mode: 'form'; startX: number; startY: number; origin: { width: number; height: number } }
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| undefined
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function pointer(event: PointerEvent | DragEvent) {
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const box = surface.value!.getBoundingClientRect()
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return { x: event.clientX - box.left, y: event.clientY - box.top }
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}
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function onPointerDown(event: PointerEvent) {
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if (!doc.value || event.button !== 0) return
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surface.value!.focus()
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const { x, y } = pointer(event)
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const hit = hitTest(doc.value, x, y)
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selected.value = hit ?? ''
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if (hit) {
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drag = { mode: 'move', name: hit, startX: x, startY: y, origin: absRect(doc.value, hit), moved: false }
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surface.value!.setPointerCapture(event.pointerId)
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}
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}
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function startResize(event: PointerEvent, handle: Handle) {
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if (!doc.value || !selected.value) return
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const { x, y } = pointer(event)
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drag = { mode: 'resize', name: selected.value, handle, startX: x, startY: y, origin: localRect(doc.value, selected.value) }
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surface.value!.setPointerCapture(event.pointerId)
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}
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function startFormResize(event: PointerEvent) {
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if (!doc.value) return
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selected.value = ''
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const { x, y } = pointer(event)
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drag = { mode: 'form', startX: x, startY: y, origin: { ...clientSize.value } }
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surface.value!.setPointerCapture(event.pointerId)
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}
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function onPointerMove(event: PointerEvent) {
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const base = parsed.value.doc
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if (!drag || !base) return
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const { x, y } = pointer(event)
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const dx = Math.round(x - drag.startX)
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const dy = Math.round(y - drag.startY)
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if (drag.mode === 'move') {
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if (!drag.moved && Math.abs(dx) + Math.abs(dy) < 3) return
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drag.moved = true
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const local = localRect(base, drag.name)
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dragDoc.value = setProp(base, drag.name, 'Location', { kind: 'point', x: local.x + dx, y: local.y + dy })
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} else if (drag.mode === 'resize') {
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const r = { ...drag.origin }
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const h = drag.handle
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if (h.includes('e')) r.width = Math.max(4, drag.origin.width + dx)
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if (h.includes('s')) r.height = Math.max(4, drag.origin.height + dy)
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if (h.includes('w')) {
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r.width = Math.max(4, drag.origin.width - dx)
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r.x = drag.origin.x + drag.origin.width - r.width
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}
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if (h.includes('n')) {
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r.height = Math.max(4, drag.origin.height - dy)
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r.y = drag.origin.y + drag.origin.height - r.height
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}
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let next = setProp(base, drag.name, 'Location', { kind: 'point', x: r.x, y: r.y })
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next = setProp(next, drag.name, 'Size', { kind: 'size', width: r.width, height: r.height })
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dragDoc.value = next
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} else {
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dragDoc.value = setProp(base, '', 'ClientSize', {
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kind: 'size',
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width: Math.max(80, drag.origin.width + dx),
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height: Math.max(40, drag.origin.height + dy),
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})
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}
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}
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function onPointerUp(event: PointerEvent) {
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const base = parsed.value.doc
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const current = drag
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drag = undefined
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if (!current || !base || !dragDoc.value) {
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dragDoc.value = undefined
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return
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}
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if (current.mode === 'move') {
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// 松手的位置在另一个容器里：把控件移进去（坐标换算成相对新容器）
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const { x, y } = pointer(event)
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const target = containerAt(dragDoc.value, x, y, descendants(base, current.name))
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const abs = absRect(dragDoc.value, current.name)
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const origin = target ? absRect(dragDoc.value, target) : { x: 0, y: 0 }
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commit(moveControl(base, current.name, target, { x: abs.x - origin.x, y: abs.y - origin.y }))
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} else {
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commit(dragDoc.value)
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}
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}
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// ---------- 键盘 ----------
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function onKeyDown(event: KeyboardEvent) {
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const d = parsed.value.doc
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if (!d || !selected.value) return
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if (event.key === 'Delete' || event.key === 'Backspace') {
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event.preventDefault()
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const name = selected.value
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selected.value = ''
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commit(removeControl(d, name))
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return
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}
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const step = { ArrowLeft: [-1, 0], ArrowRight: [1, 0], ArrowUp: [0, -1], ArrowDown: [0, 1] }[event.key]
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if (step && listControls(d).find((c) => c.name === selected.value)?.parent !== null) {
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event.preventDefault()
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const r = localRect(d, selected.value)
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commit(setProp(d, selected.value, 'Location', { kind: 'point', x: r.x + step[0], y: r.y + step[1] }))
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}
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if (event.key === 'Escape') {
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selected.value = listControls(d).find((c) => c.name === selected.value)?.parent ?? ''
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}
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}
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// ---------- 工具箱 ----------
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const TOOLBOX_GROUPS = ['常用控件', '容器', '组件', '物联网设备'] as const
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const DRAG_TYPE = 'application/x-winforms-control'
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function onToolDragStart(event: DragEvent, def: ControlDef) {
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event.dataTransfer!.setData(DRAG_TYPE, def.type)
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event.dataTransfer!.effectAllowed = 'copy'
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}
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function onDragOver(event: DragEvent) {
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if (event.dataTransfer?.types.includes(DRAG_TYPE)) {
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event.preventDefault()
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event.dataTransfer.dropEffect = 'copy'
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}
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}
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function onDrop(event: DragEvent) {
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const d = parsed.value.doc
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const type = event.dataTransfer?.getData(DRAG_TYPE)
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if (!d || !type) return
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event.preventDefault()
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const { x, y } = pointer(event)
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place(d, controlDef(type), x, y)
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}
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/** 双击工具箱：放在选中的容器（或窗体）左上角 */
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function onToolDoubleClick(def: ControlDef) {
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const d = parsed.value.doc
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if (!d) return
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// 直接放进选中的容器，不按坐标判断（左上角可能正好压在另一个分组框上）
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const container = !def.component && selected.value && isContainerType(typeOf(d, selected.value) ?? '') ? selected.value : ''
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const result = addControl(d, def, container, { x: 12, y: container ? 20 : 12 })
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selected.value = result.name
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commit(result.doc)
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}
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function place(d: DesignerDocument, def: ControlDef, x: number, y: number) {
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const container = def.component ? '' : containerAt(d, x, y)
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const origin = container ? absRect(d, container) : { x: 0, y: 0 }
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const result = addControl(d, def, container, { x: x - origin.x, y: y - origin.y })
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selected.value = result.name
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commit(result.doc)
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}
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// ---------- 属性窗口的回调 ----------
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function onSetProp(target: string, path: string, value: Value | null) {
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const d = parsed.value.doc
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if (!d) return
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let next = setProp(d, target, path, value)
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// AutoSize 的控件：文字或字体变化时按文字重新计算大小（VS 也会这样更新 Size）
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const def = target ? controlDef(typeOf(d, target) ?? '') : undefined
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if (def?.autoSize && (path === 'Text' || path === 'AutoSize') && getPropText(next, target, 'AutoSize') === 'true') {
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const text = valueOf(next, target, 'Text')
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const size = def.autoSize(text?.kind === 'string' ? text.value : '')
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next = setProp(next, target, 'Size', { kind: 'size', ...size })
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}
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commit(next)
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}
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function onSetItems(target: string, items: string[]) {
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const d = parsed.value.doc
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if (d) commit(setItems(d, target, items))
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}
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function onRename(from: string, to: string) {
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const d = parsed.value.doc
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if (!d) return
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selected.value = to
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commit(renameControl(d, from, to))
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}
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/** 绑定事件并在代码里生成处理方法（已存在则直接跳过去），然后跳到代码 */
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function openEvent(target: string, eventName: string, handler?: string) {
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const d = parsed.value.doc
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if (!d) return
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const def = target ? controlDef(typeOf(d, target) ?? '') : FORM_DEF
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const event = def.events.find((e) => e.name === eventName)
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if (!event) return
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const name = handler ?? getEventHandler(d, target, eventName) ?? `${target || d.formName}_${eventName}`
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const next = setEvent(d, target, eventName, event.delegate, name)
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try {
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const result = ensureHandler(props.codeText, d.className, name, event.args)
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commit(next, result.code === props.codeText ? undefined : result.code)
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emit('openCode', result.line)
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} catch (error) {
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commit(next)
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alert(String(error))
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}
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}
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function clearEvent(target: string, eventName: string) {
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const d = parsed.value.doc
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if (d) commit(setEvent(d, target, eventName, '', null))
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}
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/** 双击控件：生成默认事件（按钮的 Click、窗体的 Load……） */
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function onDoubleClick(event: MouseEvent) {
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const d = parsed.value.doc
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if (!d) return
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const box = surface.value!.getBoundingClientRect()
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const hit = hitTest(d, event.clientX - box.left, event.clientY - box.top) ?? ''
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const def = hit ? controlDef(typeOf(d, hit) ?? '') : FORM_DEF
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openEvent(hit, def.defaultEvent)
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}
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function onComponentDoubleClick(name: string) {
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const d = parsed.value.doc
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if (d) openEvent(name, controlDef(typeOf(d, name) ?? '').defaultEvent)
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}
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const formTitle = computed(() => String(tree.value?.props.Text ?? ''))
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const formStyle = computed(() => ({
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width: `${clientSize.value.width}px`,
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height: `${clientSize.value.height}px`,
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color: (tree.value?.props.ForeColor as string | undefined) ?? undefined,
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backgroundColor: (tree.value?.props.BackColor as string | undefined) ?? undefined,
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...fontCss(tree.value?.props.Font as FontValue | undefined),
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}))
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const childrenTopLast = computed(() => [...(tree.value?.children ?? [])].reverse())
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const noop = () => {}
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</script>
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<template>
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<div v-if="parsed.error" class="cannot-open">
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<p><b>设计器无法打开这个窗体。</b></p>
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<p>{{ parsed.error }}</p>
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<p>Designer.cs 的内容不是窗体设计器能识别的格式，可能是手动修改造成的。可以在代码里改回来，或者用"恢复原始代码"。</p>
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</div>
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<div v-else-if="doc && tree" class="designer">
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<aside class="toolbox">
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<div class="panel-title">工具箱</div>
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<template v-for="group in TOOLBOX_GROUPS" :key="group">
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<div class="group">{{ group }}</div>
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<div
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v-for="def in CONTROLS.filter((d) => d.group === group)"
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:key="def.type"
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class="tool"
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draggable="true"
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:title="`拖到窗体上，或双击添加`"
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@dragstart="onToolDragStart($event, def)"
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@dblclick="onToolDoubleClick(def)"
|
||
>
|
||
{{ def.label }}
|
||
</div>
|
||
</template>
|
||
</aside>
|
||
|
||
<section class="canvas">
|
||
<div class="window" :class="{ selected: selected === '' }">
|
||
<div class="titlebar" @pointerdown="selected = ''">
|
||
<span class="title">{{ displayText(formTitle) }}</span>
|
||
<span class="buttons">─ ☐ ✕</span>
|
||
</div>
|
||
<div class="client wf-client-host" :style="formStyle">
|
||
<ControlView v-for="child in childrenTopLast" :key="child.id" :node="child" :act="noop" />
|
||
<!-- 操作层：盖在窗体客户区上，接管所有鼠标操作 -->
|
||
<div
|
||
ref="surface"
|
||
class="surface"
|
||
tabindex="0"
|
||
@pointerdown="onPointerDown"
|
||
@pointermove="onPointerMove"
|
||
@pointerup="onPointerUp"
|
||
@dblclick="onDoubleClick"
|
||
@keydown="onKeyDown"
|
||
@dragover="onDragOver"
|
||
@drop="onDrop"
|
||
>
|
||
<div
|
||
v-if="selectedRect"
|
||
class="selection"
|
||
:style="{ left: `${selectedRect.x}px`, top: `${selectedRect.y}px`, width: `${selectedRect.width}px`, height: `${selectedRect.height}px` }"
|
||
>
|
||
<template v-if="!selectedAutoSize">
|
||
<i v-for="h in HANDLES" :key="h" :class="['handle', h]" @pointerdown.stop="startResize($event, h)" />
|
||
</template>
|
||
</div>
|
||
</div>
|
||
<i class="form-resize" title="拖动改变窗体大小" @pointerdown.stop="startFormResize" />
|
||
</div>
|
||
</div>
|
||
|
||
<div class="tray">
|
||
<span class="tray-label">组件栏</span>
|
||
<span v-if="components.length === 0" class="tray-empty">把 Timer 等不显示在窗体上的组件拖到窗体上，会出现在这里</span>
|
||
<button
|
||
v-for="c in components"
|
||
:key="c.name"
|
||
class="component"
|
||
:class="{ active: selected === c.name }"
|
||
@click="selected = c.name"
|
||
@dblclick="onComponentDoubleClick(c.name)"
|
||
@keydown.delete="commit(removeControl(parsed.doc!, c.name)); selected = ''"
|
||
>
|
||
⏱ {{ c.name }}
|
||
</button>
|
||
</div>
|
||
</section>
|
||
|
||
<PropertyGrid
|
||
class="properties"
|
||
:doc="doc"
|
||
:selected="selected"
|
||
@set-prop="onSetProp"
|
||
@set-items="onSetItems"
|
||
@rename="onRename"
|
||
@open-event="openEvent"
|
||
@clear-event="clearEvent"
|
||
/>
|
||
</div>
|
||
</template>
|
||
|
||
<style scoped>
|
||
.designer {
|
||
display: grid;
|
||
grid-template-columns: 132px minmax(0, 1fr) 260px;
|
||
height: 100%;
|
||
min-height: 0;
|
||
border: 1px solid #e5e7eb;
|
||
}
|
||
|
||
.cannot-open {
|
||
padding: 24px;
|
||
color: #6b7280;
|
||
border: 1px solid #e5e7eb;
|
||
height: 100%;
|
||
box-sizing: border-box;
|
||
}
|
||
|
||
.toolbox {
|
||
overflow-y: auto;
|
||
border-right: 1px solid #e5e7eb;
|
||
background: #fafafa;
|
||
font-size: 12px;
|
||
}
|
||
|
||
.panel-title {
|
||
padding: 6px 8px;
|
||
font-weight: 600;
|
||
border-bottom: 1px solid #e5e7eb;
|
||
}
|
||
|
||
.group {
|
||
padding: 6px 8px 2px;
|
||
color: #6b7280;
|
||
font-size: 11px;
|
||
}
|
||
|
||
.tool {
|
||
padding: 4px 8px 4px 14px;
|
||
cursor: grab;
|
||
user-select: none;
|
||
}
|
||
|
||
.tool:hover {
|
||
background: #e8f0fe;
|
||
}
|
||
|
||
.canvas {
|
||
display: flex;
|
||
flex-direction: column;
|
||
min-width: 0;
|
||
overflow: auto;
|
||
background: #e9edf2;
|
||
padding: 16px;
|
||
gap: 12px;
|
||
}
|
||
|
||
.window {
|
||
align-self: flex-start;
|
||
border: 1px solid #9aa3ad;
|
||
background: #f0f0f0;
|
||
box-shadow: 0 2px 10px rgb(0 0 0 / 0.15);
|
||
}
|
||
|
||
.window.selected {
|
||
outline: 1px dashed #2563eb;
|
||
outline-offset: 2px;
|
||
}
|
||
|
||
.titlebar {
|
||
display: flex;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
height: 30px;
|
||
padding: 0 8px;
|
||
background: #fff;
|
||
font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
|
||
font-size: 12px;
|
||
user-select: none;
|
||
}
|
||
|
||
.buttons {
|
||
color: #6b7280;
|
||
letter-spacing: 12px;
|
||
}
|
||
|
||
.client {
|
||
position: relative;
|
||
overflow: hidden;
|
||
font-family: "SimSun", "Songti SC", "Noto Serif CJK SC", "Noto Serif SC", serif;
|
||
font-size: 12px;
|
||
}
|
||
|
||
.surface {
|
||
position: absolute;
|
||
inset: 0;
|
||
outline: none;
|
||
cursor: default;
|
||
}
|
||
|
||
.selection {
|
||
position: absolute;
|
||
box-sizing: border-box;
|
||
border: 1px dashed #2563eb;
|
||
pointer-events: none;
|
||
}
|
||
|
||
.handle {
|
||
position: absolute;
|
||
width: 7px;
|
||
height: 7px;
|
||
background: #fff;
|
||
border: 1px solid #2563eb;
|
||
pointer-events: auto;
|
||
}
|
||
|
||
.handle.nw { left: -4px; top: -4px; cursor: nwse-resize; }
|
||
.handle.n { left: calc(50% - 4px); top: -4px; cursor: ns-resize; }
|
||
.handle.ne { right: -4px; top: -4px; cursor: nesw-resize; }
|
||
.handle.e { right: -4px; top: calc(50% - 4px); cursor: ew-resize; }
|
||
.handle.se { right: -4px; bottom: -4px; cursor: nwse-resize; }
|
||
.handle.s { left: calc(50% - 4px); bottom: -4px; cursor: ns-resize; }
|
||
.handle.sw { left: -4px; bottom: -4px; cursor: nesw-resize; }
|
||
.handle.w { left: -4px; top: calc(50% - 4px); cursor: ew-resize; }
|
||
|
||
.form-resize {
|
||
position: absolute;
|
||
right: 0;
|
||
bottom: 0;
|
||
width: 10px;
|
||
height: 10px;
|
||
cursor: nwse-resize;
|
||
background: linear-gradient(135deg, transparent 50%, #9aa3ad 50%);
|
||
}
|
||
|
||
.tray {
|
||
display: flex;
|
||
flex-wrap: wrap;
|
||
align-items: center;
|
||
gap: 6px;
|
||
padding: 6px 8px;
|
||
background: #fff;
|
||
border: 1px solid #d5dbe2;
|
||
font-size: 12px;
|
||
}
|
||
|
||
.tray-label {
|
||
color: #6b7280;
|
||
}
|
||
|
||
.tray-empty {
|
||
color: #9ca3af;
|
||
}
|
||
|
||
.component {
|
||
padding: 2px 8px;
|
||
border: 1px solid #d1d5db;
|
||
border-radius: 3px;
|
||
background: #f9fafb;
|
||
cursor: pointer;
|
||
font: inherit;
|
||
}
|
||
|
||
.component.active {
|
||
border-color: #2563eb;
|
||
background: #e8f0fe;
|
||
}
|
||
|
||
.properties {
|
||
min-height: 0;
|
||
}
|
||
</style>
|