bctextarea.h
来自「用你的语音Modem实现像电话一样通话的程序」· C头文件 代码 · 共 58 行
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58 行
#ifndef TEXTAREA_H#define TEXTAREA_Hclass BC_TextArea;#include "bcscrollbar.h"#include "bctool.h"#include <string.h>class BC_TextAreaScroll : public BC_YScrollBar{public: BC_TextAreaScroll(BC_TextArea *textarea, int totallines_, int yposition); handle_event(); BC_TextArea *textarea;};class BC_TextArea : public BC_Tool{public: BC_TextArea(int x_, int y_, int w_, int h_, char *text, int yposition = 0); virtual ~BC_TextArea(); create_tool_objects(); // ================================ user commands set_size(int x_, int y_, int w_, int h_); set_contents(char *text, int yposition = 0); append_contents(char *new_text); set_yposition(int yposition); get_yposition(); // ================================ tool event handlers resize(int w, int h); draw(); deactivate(); button_press_(); cursor_left_(); // ================================ tool commands get_total_lines(); cursor_motion_(); button_release_(); BC_TextAreaScroll *scrollbar; char *text; int yposition; // item of top line in list display int itemheight; // height of a row in a list int button_down; // scroll by pointing int highlighted;};#endif
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