feat: add word processor, spreadsheet, kernel and userspace memory improvements
This commit is contained in:
@@ -0,0 +1,342 @@
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/*
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* render.cpp
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* Rendering — toolbar, grid, status bar, overlays
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* Copyright (c) 2026 Daniel Hammer
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*/
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#include "spreadsheet.h"
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void render(uint32_t* pixels) {
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px_fill(pixels, g_win_w, g_win_h, 0, 0, g_win_w, g_win_h, BG_COLOR);
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// ---- Toolbar ----
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px_fill(pixels, g_win_w, g_win_h, 0, 0, g_win_w, TOOLBAR_H, TOOLBAR_BG);
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px_hline(pixels, g_win_w, g_win_h, 0, TOOLBAR_H - 1, g_win_w, GRID_COLOR);
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Cell* cur_cell = &g_cells[g_sel_row][g_sel_col];
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int bx = 4;
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auto tb_btn = [&](int w, bool active, const char* label) {
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Color bg = active ? TB_BTN_ACTIVE : TB_BTN_BG;
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px_fill_rounded(pixels, g_win_w, g_win_h, bx, TB_BTN_Y, w, TB_BTN_SIZE, TB_BTN_RAD, bg);
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if (g_font && label[0]) {
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TrueTypeFont* f = (active && g_font_bold) ? g_font_bold : g_font;
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int tw = f->measure_text(label, HEADER_FONT);
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f->draw_to_buffer(pixels, g_win_w, g_win_h,
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bx + (w - tw) / 2, TB_BTN_Y + (TB_BTN_SIZE - HEADER_FONT) / 2,
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label, HEADER_TEXT, HEADER_FONT);
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}
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bx += w + 4;
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};
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auto tb_sep = [&]() {
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px_vline(pixels, g_win_w, g_win_h, bx, 6, TOOLBAR_H - 12, TB_SEP_COLOR);
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bx += 8;
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};
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// Open / Save
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tb_btn(36, false, "Open");
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tb_btn(36, false, "Save");
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tb_sep();
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// Cut/Copy/Paste
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tb_btn(28, false, "Cut");
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tb_btn(36, false, "Copy");
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tb_btn(36, false, "Paste");
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tb_sep();
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// Bold
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tb_btn(24, cur_cell->bold, "B");
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tb_sep();
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// Alignment
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tb_btn(24, cur_cell->align == ALIGN_LEFT || (cur_cell->align == ALIGN_AUTO && cur_cell->type == CT_TEXT), "L");
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tb_btn(24, cur_cell->align == ALIGN_CENTER, "C");
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tb_btn(24, cur_cell->align == ALIGN_RIGHT || (cur_cell->align == ALIGN_AUTO && (cur_cell->type == CT_NUMBER || cur_cell->type == CT_FORMULA)), "R");
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tb_sep();
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// Format dropdown
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{
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const char* fmt_labels[] = { "Auto", ".00", "$", "%" };
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int fi = (int)cur_cell->fmt;
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if (fi < 0 || fi > 3) fi = 0;
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char fmt_label[16];
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snprintf(fmt_label, 16, "%s v", fmt_labels[fi]);
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int fmt_w = 64;
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Color bg = g_fmt_dropdown_open ? TB_BTN_ACTIVE : TB_BTN_BG;
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px_fill_rounded(pixels, g_win_w, g_win_h, bx, TB_BTN_Y, fmt_w, TB_BTN_SIZE, TB_BTN_RAD, bg);
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if (g_font) {
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int tw = g_font->measure_text(fmt_label, HEADER_FONT);
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h,
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bx + (fmt_w - tw) / 2, TB_BTN_Y + (TB_BTN_SIZE - HEADER_FONT) / 2,
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fmt_label, HEADER_TEXT, HEADER_FONT);
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}
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bx += fmt_w + 4;
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tb_sep();
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// Undo/Redo
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tb_btn(36, false, "Undo");
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tb_btn(36, false, "Redo");
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}
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// ---- Path bar (Open/Save As) ----
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int pathbar_h = g_pathbar_open ? PATHBAR_H : 0;
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if (g_pathbar_open) {
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int pby = TOOLBAR_H;
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px_fill(pixels, g_win_w, g_win_h, 0, pby, g_win_w, PATHBAR_H, HEADER_BG);
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px_hline(pixels, g_win_w, g_win_h, 0, pby + PATHBAR_H - 1, g_win_w, GRID_COLOR);
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const char* label = g_pathbar_save ? "Save as:" : "Open:";
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if (g_font) {
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int lw = g_font->measure_text(label, HEADER_FONT);
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h,
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8, pby + (PATHBAR_H - HEADER_FONT) / 2, label, HEADER_TEXT, HEADER_FONT);
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int inp_x = 16 + lw;
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int inp_w = g_win_w - inp_x - 8;
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px_fill(pixels, g_win_w, g_win_h, inp_x, pby + 4, inp_w, PATHBAR_H - 8, BG_COLOR);
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px_rect(pixels, g_win_w, g_win_h, inp_x, pby + 4, inp_w, PATHBAR_H - 8, GRID_COLOR);
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if (g_pathbar_text[0])
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h,
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inp_x + 4, pby + (PATHBAR_H - FONT_SIZE) / 2,
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g_pathbar_text, CELL_TEXT, FONT_SIZE);
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char prefix[256];
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int plen = g_pathbar_cursor < 255 ? g_pathbar_cursor : 255;
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for (int i = 0; i < plen; i++) prefix[i] = g_pathbar_text[i];
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prefix[plen] = '\0';
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int cx = inp_x + 4 + g_font->measure_text(prefix, FONT_SIZE);
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px_fill(pixels, g_win_w, g_win_h, cx, pby + 6, 2, PATHBAR_H - 12, SELECT_BORDER);
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}
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}
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// ---- Formula bar ----
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int fbar_y = TOOLBAR_H + pathbar_h;
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px_fill(pixels, g_win_w, g_win_h, 0, fbar_y, g_win_w, FORMULA_BAR_H, HEADER_BG);
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px_hline(pixels, g_win_w, g_win_h, 0, fbar_y + FORMULA_BAR_H - 1, g_win_w, GRID_COLOR);
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char name_buf[8];
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cell_name(name_buf, g_sel_col, g_sel_row);
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int fbar_ty = fbar_y + (FORMULA_BAR_H - HEADER_FONT) / 2;
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if (g_font)
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, 8, fbar_ty, name_buf, HEADER_TEXT, HEADER_FONT);
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int sep_x = ROW_HEADER_W + 12;
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px_vline(pixels, g_win_w, g_win_h, sep_x, fbar_y + 4, FORMULA_BAR_H - 8, GRID_COLOR);
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{
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int fx = sep_x + 10;
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const char* display;
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if (g_editing) {
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display = g_edit_buf;
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} else {
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display = cur_cell->input;
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}
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if (g_font && display[0])
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, fx, fbar_ty, display, CELL_TEXT, FONT_SIZE);
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if (g_editing && g_font) {
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char prefix[CELL_TEXT_MAX];
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int plen = g_edit_cursor < CELL_TEXT_MAX - 1 ? g_edit_cursor : CELL_TEXT_MAX - 1;
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for (int i = 0; i < plen; i++) prefix[i] = g_edit_buf[i];
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prefix[plen] = '\0';
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int cx = fx + g_font->measure_text(prefix, FONT_SIZE);
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px_fill(pixels, g_win_w, g_win_h, cx, fbar_y + 6, 2, FORMULA_BAR_H - 12, SELECT_BORDER);
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}
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}
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int area_y = TOOLBAR_H + pathbar_h + FORMULA_BAR_H;
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// ---- Column headers ----
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px_fill(pixels, g_win_w, g_win_h, 0, area_y, g_win_w, COL_HEADER_H, HEADER_BG);
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px_hline(pixels, g_win_w, g_win_h, 0, area_y + COL_HEADER_H - 1, g_win_w, GRID_COLOR);
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px_fill(pixels, g_win_w, g_win_h, 0, area_y, ROW_HEADER_W, COL_HEADER_H, HEADER_BG);
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px_vline(pixels, g_win_w, g_win_h, ROW_HEADER_W - 1, area_y, COL_HEADER_H, GRID_COLOR);
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for (int c = 0; c < MAX_COLS; c++) {
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int x = col_x(c) - g_scroll_x;
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if (x + g_col_widths[c] <= ROW_HEADER_W) continue;
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if (x >= g_win_w) break;
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{
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int sc0, sr0, sc1, sr1;
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sel_range(&sc0, &sr0, &sc1, &sr1);
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if (c >= sc0 && c <= sc1)
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px_fill(pixels, g_win_w, g_win_h, x, area_y, g_col_widths[c], COL_HEADER_H, SELECT_FILL);
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}
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char label[2] = { (char)('A' + c), '\0' };
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if (g_font) {
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int tw = g_font->measure_text(label, HEADER_FONT);
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int lx = x + (g_col_widths[c] - tw) / 2;
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if (lx >= ROW_HEADER_W)
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, lx, area_y + (COL_HEADER_H - HEADER_FONT) / 2, label, HEADER_TEXT, HEADER_FONT);
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}
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px_vline(pixels, g_win_w, g_win_h, x + g_col_widths[c] - 1, area_y, COL_HEADER_H, GRID_COLOR);
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}
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// ---- Row headers + grid ----
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int grid_y = area_y + COL_HEADER_H;
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int grid_h = g_win_h - TOOLBAR_H - pathbar_h - FORMULA_BAR_H - COL_HEADER_H - STATUS_BAR_H;
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for (int r = 0; r < MAX_ROWS; r++) {
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int y = grid_y + r * ROW_H - g_scroll_y;
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if (y + ROW_H <= grid_y) continue;
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if (y >= grid_y + grid_h) break;
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// Row header
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{
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int sc0, sr0, sc1, sr1;
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sel_range(&sc0, &sr0, &sc1, &sr1);
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if (r >= sr0 && r <= sr1)
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px_fill(pixels, g_win_w, g_win_h, 0, y, ROW_HEADER_W, ROW_H, SELECT_FILL);
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else
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px_fill(pixels, g_win_w, g_win_h, 0, y, ROW_HEADER_W, ROW_H, HEADER_BG);
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}
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char row_label[8];
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int rv = r + 1;
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if (rv >= 100) { row_label[0] = '0' + rv / 100; row_label[1] = '0' + (rv / 10) % 10; row_label[2] = '0' + rv % 10; row_label[3] = '\0'; }
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else if (rv >= 10) { row_label[0] = '0' + rv / 10; row_label[1] = '0' + rv % 10; row_label[2] = '\0'; }
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else { row_label[0] = '0' + rv; row_label[1] = '\0'; }
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if (g_font) {
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int tw = g_font->measure_text(row_label, HEADER_FONT);
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int lx = (ROW_HEADER_W - tw) / 2;
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, lx, y + (ROW_H - HEADER_FONT) / 2, row_label, HEADER_TEXT, HEADER_FONT);
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}
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px_vline(pixels, g_win_w, g_win_h, ROW_HEADER_W - 1, y, ROW_H, GRID_COLOR);
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// Cells in this row
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for (int c = 0; c < MAX_COLS; c++) {
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int x = col_x(c) - g_scroll_x;
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if (x + g_col_widths[c] <= ROW_HEADER_W) continue;
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if (x >= g_win_w) break;
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Cell* cell = &g_cells[r][c];
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// Selection fill (drawn before text so text is visible)
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if (g_has_selection) {
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int sc0, sr0, sc1, sr1;
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sel_range(&sc0, &sr0, &sc1, &sr1);
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if (c >= sc0 && c <= sc1 && r >= sr0 && r <= sr1 &&
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!(c == g_sel_col && r == g_sel_row))
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px_fill(pixels, g_win_w, g_win_h, x + 1, y + 1, g_col_widths[c] - 2, ROW_H - 2, SELECT_FILL);
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}
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// Cell text
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if (cell->display[0] && g_font) {
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Color col = CELL_TEXT;
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if (cell->type == CT_NUMBER || cell->type == CT_FORMULA) col = NUM_COLOR;
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if (cell->type == CT_ERROR) col = ERR_COLOR;
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TrueTypeFont* cf = (cell->bold && g_font_bold) ? g_font_bold : g_font;
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CellAlign eff_align = cell->align;
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if (eff_align == ALIGN_AUTO) {
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eff_align = (cell->type == CT_NUMBER || cell->type == CT_FORMULA) ? ALIGN_RIGHT : ALIGN_LEFT;
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}
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int tw = cf->measure_text(cell->display, FONT_SIZE);
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int text_x;
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if (eff_align == ALIGN_RIGHT)
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text_x = x + g_col_widths[c] - tw - 6;
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else if (eff_align == ALIGN_CENTER)
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text_x = x + (g_col_widths[c] - tw) / 2;
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else
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text_x = x + 6;
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if (text_x >= ROW_HEADER_W - tw && text_x < g_win_w)
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cf->draw_to_buffer(pixels, g_win_w, g_win_h, text_x, y + (ROW_H - FONT_SIZE) / 2, cell->display, col, FONT_SIZE);
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}
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// Cell right border
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px_vline(pixels, g_win_w, g_win_h, x + g_col_widths[c] - 1, y, ROW_H, GRID_COLOR);
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}
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// Row bottom border
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px_hline(pixels, g_win_w, g_win_h, ROW_HEADER_W, y + ROW_H - 1, g_win_w - ROW_HEADER_W, GRID_COLOR);
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}
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// ---- Selection border ----
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{
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int c0, r0, c1, r1;
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sel_range(&c0, &r0, &c1, &r1);
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int sx = col_x(c0) - g_scroll_x;
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int sy_sel = grid_y + r0 * ROW_H - g_scroll_y;
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int sw = 0;
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for (int c = c0; c <= c1; c++) sw += g_col_widths[c];
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int sh = (r1 - r0 + 1) * ROW_H;
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px_rect(pixels, g_win_w, g_win_h, sx, sy_sel, sw, sh, SELECT_BORDER);
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px_rect(pixels, g_win_w, g_win_h, sx + 1, sy_sel + 1, sw - 2, sh - 2, SELECT_BORDER);
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}
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// ---- Status bar ----
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int sy = g_win_h - STATUS_BAR_H;
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px_fill(pixels, g_win_w, g_win_h, 0, sy, g_win_w, STATUS_BAR_H, STATUS_BG);
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if (g_font) {
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char status[128];
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if (g_filepath[0]) {
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const char* fname = g_filepath;
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for (int i = 0; g_filepath[i]; i++)
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if (g_filepath[i] == '/') fname = g_filepath + i + 1;
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snprintf(status, 128, " %s%s", fname, g_modified ? " *" : "");
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} else {
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snprintf(status, 128, " Untitled%s", g_modified ? " *" : "");
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}
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int sty = sy + (STATUS_BAR_H - HEADER_FONT) / 2;
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, 6, sty, status, STATUS_TEXT, HEADER_FONT);
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char right[64];
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if (g_has_selection) {
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int c0, r0, c1, r1;
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sel_range(&c0, &r0, &c1, &r1);
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char n0[8], n1[8];
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cell_name(n0, c0, r0);
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cell_name(n1, c1, r1);
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int ncells = (c1 - c0 + 1) * (r1 - r0 + 1);
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snprintf(right, 64, "%s:%s (%d cells) ", n0, n1, ncells);
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} else {
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Cell* sel = &g_cells[g_sel_row][g_sel_col];
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char cname[8];
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cell_name(cname, g_sel_col, g_sel_row);
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if (sel->type == CT_FORMULA || sel->type == CT_NUMBER) {
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char vbuf[32];
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double_to_str(vbuf, 32, sel->value);
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snprintf(right, 64, "%s = %s ", cname, vbuf);
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} else {
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snprintf(right, 64, "%s ", cname);
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}
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}
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int rw = g_font->measure_text(right, HEADER_FONT);
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h, g_win_w - rw - 6, sty, right, STATUS_TEXT, HEADER_FONT);
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}
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// ---- Format dropdown overlay ----
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if (g_fmt_dropdown_open && g_font) {
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int dx = TB_FMT_X0;
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int dy = TOOLBAR_H;
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int dw = 80;
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const char* items[] = { "Auto", "Decimal", "Currency $", "Percent %" };
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int item_count = 4;
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int item_h = 26;
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int dh = item_count * item_h + 4;
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px_fill(pixels, g_win_w, g_win_h, dx, dy, dw, dh, BG_COLOR);
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px_rect(pixels, g_win_w, g_win_h, dx, dy, dw, dh, GRID_COLOR);
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for (int i = 0; i < item_count; i++) {
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int iy = dy + 2 + i * item_h;
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if ((int)cur_cell->fmt == i)
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px_fill(pixels, g_win_w, g_win_h, dx + 2, iy, dw - 4, item_h - 2, SELECT_FILL);
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g_font->draw_to_buffer(pixels, g_win_w, g_win_h,
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dx + 8, iy + (item_h - HEADER_FONT) / 2, items[i], CELL_TEXT, HEADER_FONT);
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}
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}
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}
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