在 ANSA 的guitk
库中,BCComboBoxCreate
控件用于创建一个下拉列表,允许用户从多个选项中选择一个。这种控件非常适合需要用户从预定义的选项列表中进行选择的场景。本文将详细介绍如何使用 BCComboBoxCreate
控件。
BCComboBoxCreate
控件创建一个下拉列表,其中包含可供选择的选项。用户可以通过点击下拉箭头来查看和选择不同的选项。
BCComboBoxCreate
函数的语法如下:
ansa.guitk.BCComboBoxCreate(p: object, val: object) -> object
以下是一个完整的示例代码,展示如何创建一个下拉列表,并为其添加选项:
from ansa import guitk
def main():
currRow = 0
rows = 3
cols = 2
window = guitk.BCWindowCreate("Simple ComboBox Example", guitk.constants.BCOnExitDestroy)
grid = guitk.BCGridLayoutCreate(window, rows, cols)
label = guitk.BCLabelCreate(grid, "Regular")
regularCombo = guitk.BCComboBoxCreate(grid, None)
guitk.BCComboBoxInsertItem(regularCombo, "Enable Colors CheckBox", -1)
guitk.BCComboBoxInsertItem(regularCombo, "Enable Sizes CheckBox", -1)
guitk.BCGridLayoutAddWidget(grid, label, currRow, 0, guitk.constants.BCAlignAuto)
guitk.BCGridLayoutAddWidget(grid, regularCombo, currRow, 1, guitk.constants.BCAlignAuto)
guitk.BCComboBoxSetActivatedFunction(regularCombo, ComboActivated, None)
currRow += 1
label = guitk.BCLabelCreate(grid, "Colors")
colorsCombo = guitk.BCComboBoxCreate(grid, None)
guitk.BCComboBoxInsertItem(colorsCombo, "Red", 0)
guitk.BCComboBoxSetItemIconFileName(colorsCombo, "rect_red_s mall.svg", 0)
guitk.BCComboBoxInsertItem(colorsCombo, "Green", 1)
guitk.BCComboBoxSetItemIconFileName(colorsCombo, "rect_green_s mall.svg", 1)
guitk.BCComboBoxInsertItem(colorsCombo, "Blue", 2)
guitk.BCComboBoxSetItemIconFileName(colorsCombo, "rect_blue_s mall.svg", 2)
guitk.BCGridLayoutAddWidget(grid, label, currRow, 0, guitk.constants.BCAlignAuto)
guitk.BCGridLayoutAddWidget(grid, colorsCombo, currRow, 1, guitk.constants.BCAlignAuto)
guitk.BCComboBoxSetActivatedFunction(colorsCombo, ComboActivated, None)
currRow += 1
label = guitk.BCLabelCreate(grid, "Sizes")
sizesCombo = guitk.BCComboBoxCreate(grid, None)
guitk.BCComboBoxInsertItem(sizesCombo, "16x16", -1)
guitk.BCComboBoxInsertItem(sizesCombo, "32x32", -1)
guitk.BCComboBoxInsertItem(sizesCombo, "64x64", -1)
guitk.BCGridLayoutAddWidget(grid, label, currRow, 0, guitk.constants.BCAlignAuto)
guitk.BCGridLayoutAddWidget(grid, sizesCombo, currRow, 1, guitk.constants.BCAlignAuto)
guitk.BCComboBoxSetActivatedFunction(sizesCombo, ComboActivated, None)
currRow += 1
guitk.BCComboBoxAddManagedWidget(regularCombo, colorsCombo, guitk.constants.BCManagedEnable, guitk.constants.BCManagedDisable, 0)
guitk.BCComboBoxAddManagedWidget(regularCombo, sizesCombo, guitk.constants.BCManagedEnable, guitk.constants.BCManagedDisable, 1)
guitk.BCShow(window)
def ComboActivated(combo, index, data):
print('Index is :' + str(guitk.BCComboBoxCurrentItem(combo)))
text = guitk.BCComboBoxGetText(combo, index)
print('Text is: ' + text)
return0
if __name__ == '__main__':
main()
BCComboBoxCreate
控件是 ANSA 的 guitk
库中创建下拉列表的重要工具。通过本文的介绍,您应该能够理解如何使用 BCComboBoxCreate
创建下拉列表,并为其添加选项。希望这些信息对您在使用 ANSA 进行二次开发时有所帮助。