checkpoint

1 files changed, 0 insertions, 456 deletions

diff --git a/box.c b/box.c
deleted file mode 100644
index 3c22aad..0000000
--- a/box.c
+++ /dev/null
@@ -1,456 +0,0 @@
-#define MAX_INPUT_LEN 128
-#define DEBUG
-
-#define TB_IMPL
-#include "external/termbox2.h"
-#undef TB_IMPL
-
-#define CHATTY_IMPL
-#include "chatty.h"
-#undef CHATTY_IMPL
-
-#include "ui.h"
-
-#include <locale.h>
-
-#ifdef DEBUG
-#define Assert(expr) if (!(expr)) \
-    { \
-        tb_shutdown(); \
-        *(u8*)0 = 0; \
-    }
-#else
-#define Assert(expr) ;
-#endif
-
-typedef struct {
-    s32 X, Y, W, H;
-} rect;
-
-// Characters to use for drawing a box
-// See DrawBox() for an example
-typedef struct {
-    wchar_t ur, ru, rd, dr, lr, ud;
-} box_characters;
-
-// Draw box Rect with optional Chars characters
-void
-DrawBox(rect Rect, box_characters *Chars)
-{
-    wchar_t ur, ru, rd, dr, lr, ud;
-    if (!Chars)
-    {
-        ur = L'╭';
-        ru = L'╯';
-        rd = L'╮';
-        dr = L'╰';
-        lr = L'─';
-        ud = L'│';
-    }
-    else
-    {
-        ur = Chars->ur;
-        ru = Chars->ru;
-        rd = Chars->rd;
-        dr = Chars->dr;
-        lr = Chars->lr;
-        ud = Chars->ud;
-    }
-
-    Rect.H--;
-    Rect.W--;
-
-    tb_printf(Rect.X, Rect.Y, 0, 0, "%lc", ur);
-    for (u32 X = 1; X < Rect.W; X++)
-    {
-        tb_printf(Rect.X + X, Rect.Y, 0, 0, "%lc", lr);
-    }
-    tb_printf(Rect.X + Rect.W, Rect.Y, 0, 0, "%lc", rd);
-
-    // Draw vertical bars
-    for (u32 Y = 1; Y < Rect.H; Y++)
-    {
-        tb_printf(Rect.X, Rect.Y + Y, 0, 0, "%lc", ud);
-        tb_printf(Rect.X + Rect.W, Rect.Y + Y, 0, 0, "%lc", ud);
-    }
-
-    tb_printf(Rect.X, Rect.Y + Rect.H, 0, 0, "%lc", dr);
-    for (u32 X = 1; X < Rect.W; X++)
-    {
-        tb_printf(Rect.X + X, Rect.Y + Rect.H, 0, 0, "%lc", lr);
-    }
-    tb_printf(Rect.X + Rect.W, Rect.Y + Rect.H, 0, 0, "%lc", ru);
-}
-
-
-// Delete a character in Text at Pos
-void
-Delete(wchar_t* Text, u64 Pos)
-{
-    memmove((u8*)(Text + Pos),
-            (u8*)(Text + Pos + 1),
-            (MAX_INPUT_LEN - Pos - 1) * sizeof(*Text));
-}
-
-// Check if coordinate (X,Y) is in rect boundaries
-Bool
-IsInRect(rect Rect, u32 X, u32 Y)
-{
-    if ((X >= Rect.X && X <= Rect.X + Rect.W) &&
-        (Y >= Rect.Y && Y <= Rect.Y + Rect.H)) return True;
-    return False;
-}
-
-void
-ScrollLeft(rect Text, u32 *TextOffset, u32 Left)
-{
-    u32 TextSurface = Text.H * Text.W;
-
-    if (global.cursor_x - Left >= Text.X)
-    {
-        global.cursor_x -= Left;
-    }
-    else
-    {
-        global.cursor_x += Text.W - 1;
-
-        if (global.cursor_y > Text.Y)
-        {
-            global.cursor_y--;
-        }
-        else
-        {
-            global.cursor_y = Text.Y + Text.H - 1;
-            if (*TextOffset < TextSurface)
-            {
-                *TextOffset = 0;
-            }
-            else
-            {
-                *TextOffset -= TextSurface;
-            }
-        }
-    }
-}
-
-int
-main(void)
-{
-    assert(setlocale(LC_ALL, ""));
-    struct tb_event ev = {0};
-
-    tb_init();
-
-    u32 InputLen = 0;
-    wchar_t Input[MAX_INPUT_LEN] = {0};
-
-#if 1
-    wchar_t *t = L"This is some text that no one would want to know, but you could.";
-    u32 Len = wcslen(t);
-    for (u32 At = 0; At < Len; At++) Input[At] = t[At];
-    InputLen = Len;
-#endif
-
-    bytebuf_puts(&global.out, global.caps[TB_CAP_SHOW_CURSOR]);
-
-    rect TextBox = {0, 0, 32, 4};
-
-#define BOX_PADDING_X 1
-#define BOX_BORDER_WIDTH 1
-    rect Text = {
-        2, 1,
-        TextBox.W - 2*BOX_PADDING_X - 2*BOX_BORDER_WIDTH,
-        TextBox.H - 2*BOX_BORDER_WIDTH
-    };
-#undef BOX_PADDING_X
-#undef BOX_BORDER_WIDTH
-    u32 TextSurface = Text.W * Text.H;
-
-    global.cursor_x = Text.X;
-    global.cursor_y = Text.Y;
-
-    u32 TextOffset = 0;
-    u32 InputPos = 0;
-
-    while (ev.key != TB_KEY_CTRL_C)
-    {
-
-        tb_clear();
-
-        DrawBox(TextBox, 0);
-
-        // Draw the text right of the cursor
-        // NOTE: the cursor is assumed to be in the box
-        Assert(IsInRect(Text, global.cursor_x, global.cursor_y));
-        u32 AtX = Text.X, AtY = Text.Y;
-        u32 At = TextOffset;
-        while (AtY < Text.Y + Text.H)
-        {
-            if (At < InputLen) 
-            {
-                tb_printf(AtX++, AtY, 0, 0, "%lc", Input[At++]);
-            }
-            else
-            {
-                // Erase previous text
-                tb_printf(AtX++, AtY, 0, 0, " ");
-            }
-
-            if (AtX == Text.X + Text.W) { AtY++; AtX = Text.X; }
-        }
-
-        // Position in input based on cursor position
-        InputPos = TextOffset + (global.cursor_x - Text.X) + (global.cursor_y - Text.Y) * Text.W; 
-
-#ifdef DEBUG
-        tb_printf(TextBox.X, TextBox.Y, 0, 0,
-                  "%2d,%-2d +%d #%-2d %d/%d",
-                  global.cursor_x, global.cursor_y,
-                  TextOffset, InputPos,
-                  InputLen, MAX_INPUT_LEN);
-#endif
-
-        tb_present();
-
-        tb_poll_event(&ev);
-
-        if (ev.mod & TB_MOD_CTRL)
-        {
-            switch (ev.key)
-            {
-            // Delete character backwards
-            case TB_KEY_CTRL_8:
-            // case TB_KEY_BACKSPACE2:
-            {
-                if (InputPos == 0) break;
-                Delete(Input, InputPos - 1);
-                InputLen--;
-                // TODO: scrolling
-
-                ScrollLeft(Text, &TextOffset, 1);
-
-            } break;
-            // Delete character forwards
-            case TB_KEY_CTRL_D:
-            {
-                if (InputPos == InputLen) break;
-                Delete(Input, InputPos);
-                InputLen--;
-                // Delete(Input, Position)
-            } break;
-            // Delete Word backwards
-            case TB_KEY_CTRL_W:
-            {
-                u32 At = InputPos;
-                // Find character to stop on
-                while (At && is_whitespace(Input[At - 1])) At--;
-                while (At && !is_whitespace(Input[At - 1])) At--;
-
-                s32 NDelete = InputPos - At;
-                memmove(Input + At, Input + InputPos, (InputLen - InputPos) * sizeof(Input[At]));
-                InputLen -= NDelete;
-#ifdef DEBUG
-                Input[InputLen] = 0;
-#endif
-
-                // Update cursor position
-                if (global.cursor_x - NDelete >= Text.X)
-                {
-                    global.cursor_x -= NDelete;
-                }
-                else
-                {
-                    global.cursor_x += Text.W - NDelete;
-
-                    if (global.cursor_y > Text.Y)
-                    {
-                        global.cursor_y--;
-                    }
-                    else
-                    {
-                        // Scroll
-                        global.cursor_y = Text.Y + Text.H - 1;
-                        TextOffset -= TextSurface;
-                    }
-                }
-
-                Assert(IsInRect(Text, global.cursor_x, global.cursor_y));
-
-            } break;
-            // Delete until start of line
-            case TB_KEY_CTRL_U:
-            {
-                memmove(Input, Input + InputPos, (InputLen - InputPos) * sizeof(*Input));
-                InputLen -= InputPos;
-#ifdef DEBUG
-                Input[InputLen] = 0;
-#endif
-                global.cursor_x = Text.X;
-                global.cursor_y = Text.Y;
-                TextOffset = 0;
-                // memmove until first character
-            } break;
-            // Delete until end of input
-            case TB_KEY_CTRL_K: break;
-            // Move to start
-            case TB_KEY_CTRL_A: global.cursor_x = Text.X; break;
-            // Move to end
-            case TB_KEY_CTRL_E:
-            {
-                if (global.cursor_x == Text.X + Text.W - 1) break;
-
-                if (InputPos + Text.W > InputLen) 
-                {
-                    // Put the cursor on the last character
-                    global.cursor_x = Text.X + (InputLen - TextOffset) % (Text.W);
-                }
-                else
-                {
-                    global.cursor_x = Text.X + Text.W - 1;
-                }
-            } break;
-            // Move backwards by one character
-            case TB_KEY_CTRL_B: break;
-            // Move forwards by one character
-            case TB_KEY_CTRL_F: break;
-            // Move backwards by word
-            case TB_KEY_ARROW_LEFT: break;
-            // Move forwards by word
-            case TB_KEY_ARROW_RIGHT: break;
-            }
-
-        }
-        // Insert new character in Input at InputPos
-        else if (ev.ch && InputLen < MAX_INPUT_LEN)
-        {
-            if (InputPos < InputLen)
-            {
-                memmove(Input + InputPos,
-                        Input + InputPos - 1,
-                        (InputLen - InputPos + 1) * sizeof(*Input));
-            }
-            Input[InputPos] = ev.ch;
-            InputLen++;
-
-            if (global.cursor_x == Text.X + Text.W - 1)
-            {
-                if (global.cursor_y == Text.Y + Text.H - 1)
-                {
-                    TextOffset += Text.W;
-                }
-                else
-                {
-                    global.cursor_y++; 
-                }
-                global.cursor_x = Text.X;
-            }
-            else
-            {
-                global.cursor_x++;
-            }
-        }
-        else
-        {
-            switch (ev.key)
-            {
-                case TB_KEY_ARROW_UP:
-                {
-                    if (global.cursor_y == Text.Y)
-                    {
-                        if (TextOffset == 0)
-                        {
-                            global.cursor_x = Text.X;
-
-                            break;
-                        }
-
-                        TextOffset -= TextSurface;
-                        global.cursor_y = Text.Y + Text.H - 1;
-                    }
-                    else
-                    {
-                        global.cursor_y--;
-                    }
-                } break;
-                case TB_KEY_ARROW_DOWN:
-                {
-                    if (InputPos + Text.W > InputLen) 
-                    {
-                        // Put the cursor on the last character
-                        global.cursor_x = Text.X + (InputLen - TextOffset) % (Text.W);
-                        global.cursor_y = Text.Y + (InputLen - TextOffset) / Text.W;
-
-                        break;
-                    }
-
-                    if (global.cursor_y == Text.Y + Text.H - 1)
-                    {
-                        TextOffset += TextSurface;
-                        global.cursor_y = Text.Y;
-                    }
-                    else
-                    {
-                        global.cursor_y++;
-                    }
-                } break;
-
-                // Move character left or scroll
-                case TB_KEY_ARROW_LEFT:
-                {
-                    if (InputPos == 0) break;
-
-                    // If text is on the first character of the box scroll backwards
-                    if (global.cursor_x == Text.X &&
-                        global.cursor_y == Text.Y)
-                    {
-
-                        global.cursor_x = Text.X + Text.W - 1;
-                        global.cursor_y = Text.Y + Text.H - 1;
-
-                        // Scroll
-                        TextOffset -= TextSurface;
-
-                        break;
-                    }
-
-                    global.cursor_x--;
-                    if (global.cursor_x < Text.X)
-                    {
-                        global.cursor_x = Text.X + Text.W - 1;
-                        global.cursor_y--;
-                    }
-
-                } break;
-                // Move character right or scroll
-                case TB_KEY_ARROW_RIGHT:
-                {
-                    if (InputPos == InputLen) break;
-
-                    // If cursor is on the last character scroll forwards
-                    if (global.cursor_x == Text.X + Text.W - 1 &&
-                        global.cursor_y == Text.Y + Text.H - 1)
-                    {
-                        global.cursor_x = Text.X;
-                        global.cursor_y = Text.Y;
-
-                        // Scroll
-                        TextOffset += TextSurface;
-
-                        break;
-                    }
-
-                    global.cursor_x++;
-                    if (global.cursor_x == Text.X + Text.W)
-                    {
-                        global.cursor_x = Text.X;
-                        global.cursor_y++;
-                    }
-                } break;
-            }
-        }
-
-    }
-
-    tb_shutdown();
-    return 0;
-}