文檔
設定元素內的焦點
InputControl成為焦點
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"Control_InputControl_focus\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></xml>"}
這積木是用作設定文字區域內焦點。當它成為焦點，你可以在文字區域輸入。
參數：螢幕項目（輸入控制）
輸出：N/A
示例代碼：
這裡設定按鈕，用作檢查變數是否成為焦點。
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><block type=\"ScreenItem_ScreenItem_onClick\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">createButton</field></block></value><statement name=\"HANDLER\"><block type=\"Control_InputControl_focus\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></statement></block></xml>"}
{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>mainLayout</variable><variable>mainScreen</variable><variable>inputControl</variable><variable>createButton</variable></variables><block type=\"pxt-on-start\" x=\"0\" y=\"0\"><statement name=\"HANDLER\"><block type=\"variables_set\"><field name=\"VAR\">mainLayout</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"ScreenItem_createLayout\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">mainScreen</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Screen_create\"><value name=\"label\"><shadow type=\"text\"><field name=\"TEXT\">Main</field></shadow></value><value name=\"layout\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value></block></value><next><block type=\"variables_set\"><field name=\"VAR\">inputControl</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createTextArea\"/></value><next><block type=\"variables_set\"><field name=\"VAR\">createButton</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"Control_createButton\"><value name=\"content\"><shadow type=\"text\"><field name=\"TEXT\">Click me to see focus</field></shadow></value></block></value><next><block type=\"ScreenItem_ScreenItem_onClick\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">createButton</field></block></value><statement name=\"HANDLER\"><block type=\"Control_InputControl_focus\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value></block></statement><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">inputControl</field></block></value><next><block type=\"ScreenItem_Layout_add\"><value name=\"this\"><block type=\"variables_get\"><field name=\"VAR\">mainLayout</field></block></value><value name=\"item\"><block type=\"variables_get\"><field name=\"VAR\">createButton</field></block></value></block></next></block></next></block></next></block></next></block></next></block></next></block></statement></block></xml>"}
當方框沒成為焦點時的輸出結果：
當按下按鈕，並看到焦點時的輸出結果：
