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#define Assert(expr) if (!(expr)) { \
tb_shutdown(); \
raise(SIGTRAP); \
}
#define TB_IMPL
#include "termbox2.h"
#undef TB_IMPL
#define TEXTBOX_MAX_INPUT 255
#define UI_IMPL
#include "ui.h"
#define ARENA_IMPL
#include "arena.h"
#include <locale.h>
int
main(void)
{
struct tb_event ev = {0};
u32 InputLen = 0;
wchar_t Input[TEXTBOX_MAX_INPUT] = {0};
rect TextBox = {0, 0, 32, 5};
rect TextR = {
2, 1,
TextBox.W - 2*TEXTBOX_PADDING_X - 2*TEXTBOX_BORDER_WIDTH,
TextBox.H - 2*TEXTBOX_BORDER_WIDTH
};
// Used for scrolling the text. Text before TextOffset will not be printed.
u32 TextOffset = 0;
// Position in input based on cursor position.
u32 InputPos = 0;
Assert(setlocale(LC_ALL, ""));
tb_init();
bytebuf_puts(&global.out, global.caps[TB_CAP_SHOW_CURSOR]);
global.cursor_x = TextR.X;
global.cursor_y = TextR.Y;
DrawBox(TextBox, 0);
while (ev.key != TB_KEY_CTRL_C)
{
DrawTextBoxWrapped(TextR, Input + TextOffset, InputLen - TextOffset);
InputPos = TextOffset + (global.cursor_x - TextR.X) + (global.cursor_y - TextR.Y) * TextR.W;
Assert(InputPos <= InputLen);
tb_present();
tb_poll_event(&ev);
u32 Ret = TextBoxKeypress(ev, TextR, Input, &InputLen, InputPos, &TextOffset);
u32 ShouldInsert = (!Ret) && (ev.ch && InputLen < TEXTBOX_MAX_INPUT);
// Insert new character in Input at InputPos
if (ShouldInsert)
{
TextBoxInsert(Input, InputPos, InputLen++, ev.ch);
TextBoxScrollRight(TextR, &TextOffset);
}
}
tb_shutdown();
return 0;
}
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