ftk学习记（combox篇）

上一篇文章谈到了多窗口，还是按照约定看一下效果是什么样的。

如果大家细心一点，就会发现窗口中的label显示为window01，这其实是因为我们已经增加了一个窗口，有兴趣的朋友可以尝试编译一下。如题所示，今天讨论的是combox。所谓的combox，其实就是从给出的若干个选择挑选出一个即可。闲话少说，还是看代码。

#include "ftk.h"#define IDC_TEST_BUTTON 1000
static Ret button_quit_clicked(void* ctx, void* obj)
{ftk_quit();return RET_OK;
}int FTK_MAIN(int argc, char* argv[])
{int width = 0;int height = 0;FtkWidget* win = NULL;FtkWidget* button = NULL;FtkWidget* combo_box = NULL;ftk_init(argc, argv);win = ftk_app_window_create();width = ftk_widget_width(win);height = ftk_widget_height(win);width = width/2 - 10;combo_box = ftk_combo_box_create(win, 0, height/4, width, 50);ftk_combo_box_set_text(combo_box, "1 second");ftk_combo_box_append(combo_box, NULL, "1 second");ftk_combo_box_append(combo_box, NULL, "2 seconds");ftk_combo_box_append(combo_box, NULL, "3 seconds");combo_box = ftk_combo_box_create(win, width + 10, height/4, width, 50);ftk_combo_box_set_text(combo_box, "1 second");ftk_combo_box_append(combo_box, NULL, "1 second");ftk_combo_box_append(combo_box, NULL, "2 seconds");ftk_combo_box_append(combo_box, NULL, "3 seconds");ftk_combo_box_append(combo_box, NULL, "4 seconds");ftk_combo_box_append(combo_box, NULL, "5 seconds");ftk_combo_box_append(combo_box, NULL, "6 seconds");ftk_combo_box_append(combo_box, NULL, "7 seconds");ftk_combo_box_append(combo_box, NULL, "8 seconds");ftk_combo_box_append(combo_box, NULL, "9 seconds");ftk_combo_box_append(combo_box, NULL, "0 seconds");ftk_combo_box_append(combo_box, NULL, "0 seconds");button = ftk_button_create(win, width/2, height/2, width, 60);ftk_widget_set_text(button, "quit");ftk_button_set_clicked_listener(button, button_quit_clicked, win);ftk_window_set_focus(win, button);combo_box = ftk_combo_box_create(win, 0, 3*height/4+5, width, 50);ftk_combo_box_set_text(combo_box, "1 second");ftk_combo_box_append(combo_box, NULL, "1 second");ftk_combo_box_append(combo_box, NULL, "2 seconds");ftk_combo_box_append(combo_box, NULL, "3 seconds");combo_box = ftk_combo_box_create(win, width + 10, 3*height/4+5, width, 50);ftk_combo_box_set_text(combo_box, "1 second");ftk_combo_box_append(combo_box, NULL, "1 second");ftk_combo_box_append(combo_box, NULL, "2 seconds");ftk_combo_box_append(combo_box, NULL, "3 seconds");ftk_combo_box_append(combo_box, NULL, "4 seconds");ftk_combo_box_append(combo_box, NULL, "5 seconds");ftk_combo_box_append(combo_box, NULL, "6 seconds");ftk_combo_box_append(combo_box, NULL, "7 seconds");ftk_combo_box_append(combo_box, NULL, "8 seconds");ftk_combo_box_append(combo_box, NULL, "9 seconds");ftk_combo_box_append(combo_box, NULL, "0 seconds");ftk_combo_box_append(combo_box, NULL, "0 seconds");ftk_widget_set_text(win, "ComboBox Demo");ftk_widget_show_all(win, 1);ftk_widget_set_attr(win, FTK_ATTR_QUIT_WHEN_CLOSE);ftk_run();return 0;
}

相信大家看了上面的代码就不担心了。如果想创建combox，直接调用函数ftk_combo_box_create即可；如果需要添加条目，调用函数ftk_combo_box_append即可；如果需要设定默认选项，调用ftk_combo_box_set_text函数就行。就是这么简单。

下次看效果图。

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[ 声明:版权全部,欢迎转载,请勿用于商业用途. 联系信箱:feixiaoxing @163.com] 非常早之前就知道ftk了,当时主要是由于买了李先静的书,所以知道了这么一个项目.由于对这样的g ...

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