2430 - make room for more transforms

1 files changed, 498 insertions, 0 deletions

diff --git a/080display.cc b/080display.cc
new file mode 100644
index 00000000..970887bd
--- /dev/null
+++ b/080display.cc
@@ -0,0 +1,498 @@
+//: Take charge of the text-mode display and console.
+
+//:: Display management
+
+:(before "End Globals")
+long long int Display_row = 0, Display_column = 0;
+bool Autodisplay = true;
+
+:(before "End Primitive Recipe Declarations")
+OPEN_CONSOLE,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "open-console", OPEN_CONSOLE);
+:(before "End Primitive Recipe Checks")
+case OPEN_CONSOLE: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case OPEN_CONSOLE: {
+  tb_init();
+  Display_row = Display_column = 0;
+  long long int width = tb_width();
+  long long int height = tb_height();
+  if (width > 222 || height > 222) tb_shutdown();
+  if (width > 222)
+    raise_error << "sorry, mu doesn't support windows wider than 222 characters. Please resize your window.\n" << end();
+  if (height > 222)
+    raise_error << "sorry, mu doesn't support windows taller than 222 characters. Please resize your window.\n" << end();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CLOSE_CONSOLE,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "close-console", CLOSE_CONSOLE);
+:(before "End Primitive Recipe Checks")
+case CLOSE_CONSOLE: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CLOSE_CONSOLE: {
+  tb_shutdown();
+  break;
+}
+
+:(before "End Teardown")
+tb_shutdown();
+
+:(before "End Primitive Recipe Declarations")
+CLEAR_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "clear-display", CLEAR_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case CLEAR_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CLEAR_DISPLAY: {
+  tb_clear();
+  Display_row = Display_column = 0;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+SYNC_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "sync-display", SYNC_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case SYNC_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case SYNC_DISPLAY: {
+  tb_sync();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CLEAR_LINE_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "clear-line-on-display", CLEAR_LINE_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case CLEAR_LINE_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CLEAR_LINE_ON_DISPLAY: {
+  long long int width = tb_width();
+  for (long long int x = Display_column; x < width; ++x) {
+    tb_change_cell(x, Display_row, ' ', TB_WHITE, TB_BLACK);
+  }
+  tb_set_cursor(Display_column, Display_row);
+  if (Autodisplay) tb_present();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+PRINT_CHARACTER_TO_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "print-character-to-display", PRINT_CHARACTER_TO_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case PRINT_CHARACTER_TO_DISPLAY: {
+  if (inst.ingredients.empty()) {
+    raise_error << maybe(get(Recipe, r).name) << "'print-character-to-display' requires at least one ingredient, but got " << inst.to_string() << '\n' << end();
+    break;
+  }
+  if (!is_mu_number(inst.ingredients.at(0))) {
+    raise_error << maybe(get(Recipe, r).name) << "first ingredient of 'print-character-to-display' should be a character, but got " << inst.ingredients.at(0).original_string << '\n' << end();
+    break;
+  }
+  if (SIZE(inst.ingredients) > 1) {
+    if (!is_mu_number(inst.ingredients.at(1))) {
+      raise_error << maybe(get(Recipe, r).name) << "second ingredient of 'print-character-to-display' should be a foreground color number, but got " << inst.ingredients.at(1).original_string << '\n' << end();
+      break;
+    }
+  }
+  if (SIZE(inst.ingredients) > 2) {
+    if (!is_mu_number(inst.ingredients.at(2))) {
+      raise_error << maybe(get(Recipe, r).name) << "third ingredient of 'print-character-to-display' should be a background color number, but got " << inst.ingredients.at(2).original_string << '\n' << end();
+      break;
+    }
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case PRINT_CHARACTER_TO_DISPLAY: {
+  int h=tb_height(), w=tb_width();
+  long long int height = (h >= 0) ? h : 0;
+  long long int width = (w >= 0) ? w : 0;
+  long long int c = ingredients.at(0).at(0);
+  int color = TB_BLACK;
+  if (SIZE(ingredients) > 1) {
+    color = ingredients.at(1).at(0);
+  }
+  int bg_color = TB_BLACK;
+  if (SIZE(ingredients) > 2) {
+    bg_color = ingredients.at(2).at(0);
+    if (bg_color == 0) bg_color = TB_BLACK;
+  }
+  tb_change_cell(Display_column, Display_row, c, color, bg_color);
+  if (c == '\n' || c == '\r') {
+    if (Display_row < height-1) {
+      Display_column = 0;
+      ++Display_row;
+      tb_set_cursor(Display_column, Display_row);
+      if (Autodisplay) tb_present();
+    }
+    break;
+  }
+  if (c == '\b') {
+    if (Display_column > 0) {
+      tb_change_cell(Display_column-1, Display_row, ' ', color, bg_color);
+      --Display_column;
+      tb_set_cursor(Display_column, Display_row);
+      if (Autodisplay) tb_present();
+    }
+    break;
+  }
+  if (Display_column < width-1) {
+    ++Display_column;
+    tb_set_cursor(Display_column, Display_row);
+  }
+  if (Autodisplay) tb_present();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CURSOR_POSITION_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "cursor-position-on-display", CURSOR_POSITION_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case CURSOR_POSITION_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CURSOR_POSITION_ON_DISPLAY: {
+  products.resize(2);
+  products.at(0).push_back(Display_row);
+  products.at(1).push_back(Display_column);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "move-cursor-on-display", MOVE_CURSOR_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case MOVE_CURSOR_ON_DISPLAY: {
+  if (SIZE(inst.ingredients) != 2) {
+    raise_error << maybe(get(Recipe, r).name) << "'move-cursor-on-display' requires two ingredients, but got " << inst.to_string() << '\n' << end();
+    break;
+  }
+  if (!is_mu_number(inst.ingredients.at(0))) {
+    raise_error << maybe(get(Recipe, r).name) << "first ingredient of 'move-cursor-on-display' should be a row number, but got " << inst.ingredients.at(0).original_string << '\n' << end();
+    break;
+  }
+  if (!is_mu_number(inst.ingredients.at(1))) {
+    raise_error << maybe(get(Recipe, r).name) << "second ingredient of 'move-cursor-on-display' should be a column number, but got " << inst.ingredients.at(1).original_string << '\n' << end();
+    break;
+  }
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_ON_DISPLAY: {
+  Display_row = ingredients.at(0).at(0);
+  Display_column = ingredients.at(1).at(0);
+  tb_set_cursor(Display_column, Display_row);
+  if (Autodisplay) tb_present();
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_DOWN_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "move-cursor-down-on-display", MOVE_CURSOR_DOWN_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case MOVE_CURSOR_DOWN_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_DOWN_ON_DISPLAY: {
+  int h=tb_height();
+  long long int height = (h >= 0) ? h : 0;
+  if (Display_row < height-1) {
+    Display_row++;
+    tb_set_cursor(Display_column, Display_row);
+    if (Autodisplay) tb_present();
+  }
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_UP_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "move-cursor-up-on-display", MOVE_CURSOR_UP_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case MOVE_CURSOR_UP_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_UP_ON_DISPLAY: {
+  if (Display_row > 0) {
+    Display_row--;
+    tb_set_cursor(Display_column, Display_row);
+    if (Autodisplay) tb_present();
+  }
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_RIGHT_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "move-cursor-right-on-display", MOVE_CURSOR_RIGHT_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case MOVE_CURSOR_RIGHT_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_RIGHT_ON_DISPLAY: {
+  int w=tb_width();
+  long long int width = (w >= 0) ? w : 0;
+  if (Display_column < width-1) {
+    Display_column++;
+    tb_set_cursor(Display_column, Display_row);
+    if (Autodisplay) tb_present();
+  }
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+MOVE_CURSOR_LEFT_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "move-cursor-left-on-display", MOVE_CURSOR_LEFT_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case MOVE_CURSOR_LEFT_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case MOVE_CURSOR_LEFT_ON_DISPLAY: {
+  if (Display_column > 0) {
+    Display_column--;
+    tb_set_cursor(Display_column, Display_row);
+    if (Autodisplay) tb_present();
+  }
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+DISPLAY_WIDTH,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "display-width", DISPLAY_WIDTH);
+:(before "End Primitive Recipe Checks")
+case DISPLAY_WIDTH: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case DISPLAY_WIDTH: {
+  products.resize(1);
+  products.at(0).push_back(tb_width());
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+DISPLAY_HEIGHT,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "display-height", DISPLAY_HEIGHT);
+:(before "End Primitive Recipe Checks")
+case DISPLAY_HEIGHT: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case DISPLAY_HEIGHT: {
+  products.resize(1);
+  products.at(0).push_back(tb_height());
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+HIDE_CURSOR_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "hide-cursor-on-display", HIDE_CURSOR_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case HIDE_CURSOR_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case HIDE_CURSOR_ON_DISPLAY: {
+  tb_set_cursor(TB_HIDE_CURSOR, TB_HIDE_CURSOR);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+SHOW_CURSOR_ON_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "show-cursor-on-display", SHOW_CURSOR_ON_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case SHOW_CURSOR_ON_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case SHOW_CURSOR_ON_DISPLAY: {
+  tb_set_cursor(Display_row, Display_column);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+HIDE_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "hide-display", HIDE_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case HIDE_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case HIDE_DISPLAY: {
+  Autodisplay = false;
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+SHOW_DISPLAY,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "show-display", SHOW_DISPLAY);
+:(before "End Primitive Recipe Checks")
+case SHOW_DISPLAY: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case SHOW_DISPLAY: {
+  Autodisplay = true;
+  tb_present();
+  break;
+}
+
+//:: Keyboard/mouse management
+
+:(before "End Primitive Recipe Declarations")
+WAIT_FOR_SOME_INTERACTION,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "wait-for-some-interaction", WAIT_FOR_SOME_INTERACTION);
+:(before "End Primitive Recipe Checks")
+case WAIT_FOR_SOME_INTERACTION: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case WAIT_FOR_SOME_INTERACTION: {
+  tb_event event;
+  tb_poll_event(&event);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+CHECK_FOR_INTERACTION,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "check-for-interaction", CHECK_FOR_INTERACTION);
+:(before "End Primitive Recipe Checks")
+case CHECK_FOR_INTERACTION: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CHECK_FOR_INTERACTION: {
+  products.resize(2);  // result and status
+  tb_event event;
+  int event_type = tb_peek_event(&event, 5/*ms*/);
+  if (event_type == TB_EVENT_KEY && event.ch) {
+    products.at(0).push_back(/*text event*/0);
+    products.at(0).push_back(event.ch);
+    products.at(0).push_back(0);
+    products.at(0).push_back(0);
+    products.at(1).push_back(/*found*/true);
+    break;
+  }
+  // treat keys within ascii as unicode characters
+  if (event_type == TB_EVENT_KEY && event.key < 0xff) {
+    products.at(0).push_back(/*text event*/0);
+    if (event.key == TB_KEY_CTRL_C) tb_shutdown(), exit(1);
+    if (event.key == TB_KEY_BACKSPACE2) event.key = TB_KEY_BACKSPACE;
+    if (event.key == TB_KEY_CARRIAGE_RETURN) event.key = TB_KEY_NEWLINE;
+    products.at(0).push_back(event.key);
+    products.at(0).push_back(0);
+    products.at(0).push_back(0);
+    products.at(1).push_back(/*found*/true);
+    break;
+  }
+  // keys outside ascii aren't unicode characters but arbitrary termbox inventions
+  if (event_type == TB_EVENT_KEY) {
+    products.at(0).push_back(/*keycode event*/1);
+    products.at(0).push_back(event.key);
+    products.at(0).push_back(0);
+    products.at(0).push_back(0);
+    products.at(1).push_back(/*found*/true);
+    break;
+  }
+  if (event_type == TB_EVENT_MOUSE) {
+    products.at(0).push_back(/*touch event*/2);
+    products.at(0).push_back(event.key);  // which button, etc.
+    products.at(0).push_back(event.y);  // row
+    products.at(0).push_back(event.x);  // column
+    products.at(1).push_back(/*found*/true);
+    break;
+  }
+  if (event_type == TB_EVENT_RESIZE) {
+    products.at(0).push_back(/*resize event*/3);
+    products.at(0).push_back(event.w);  // width
+    products.at(0).push_back(event.h);  // height
+    products.at(0).push_back(0);
+    products.at(1).push_back(/*found*/true);
+    break;
+  }
+  assert(event_type == 0);
+  products.at(0).push_back(0);
+  products.at(0).push_back(0);
+  products.at(0).push_back(0);
+  products.at(0).push_back(0);
+  products.at(1).push_back(/*found*/false);
+  break;
+}
+
+:(before "End Primitive Recipe Declarations")
+INTERACTIONS_LEFT,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "interactions-left?", INTERACTIONS_LEFT);
+:(before "End Primitive Recipe Checks")
+case INTERACTIONS_LEFT: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case INTERACTIONS_LEFT: {
+  products.resize(1);
+  products.at(0).push_back(tb_event_ready());
+  break;
+}
+
+//: a hack to make edit.mu more responsive
+
+:(before "End Primitive Recipe Declarations")
+CLEAR_DISPLAY_FROM,
+:(before "End Primitive Recipe Numbers")
+put(Recipe_ordinal, "clear-display-from", CLEAR_DISPLAY_FROM);
+:(before "End Primitive Recipe Checks")
+case CLEAR_DISPLAY_FROM: {
+  break;
+}
+:(before "End Primitive Recipe Implementations")
+case CLEAR_DISPLAY_FROM: {
+  // todo: error checking
+  int row = ingredients.at(0).at(0);
+  int column = ingredients.at(1).at(0);
+  int left = ingredients.at(2).at(0);
+  int right = ingredients.at(3).at(0);
+  int height=tb_height();
+  for (; row < height; ++row, column=left) {  // start column from left in every inner loop except first
+    for (; column <= right; ++column) {
+      tb_change_cell(column, row, ' ', TB_WHITE, TB_BLACK);
+    }
+  }
+  if (Autodisplay) tb_present();
+  break;
+}