diff options
Diffstat (limited to 'archive/2.vm/080display.cc')
| -rw-r--r-- | archive/2.vm/080display.cc | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/archive/2.vm/080display.cc b/archive/2.vm/080display.cc new file mode 100644 index 00000000..6bf8e51d --- /dev/null +++ b/archive/2.vm/080display.cc @@ -0,0 +1,462 @@ +//: Take raw control of the text-mode display and console, putting it in +//: 'console' mode rather than the usual automatically-scrolling 'typewriter' +//: mode. + +//:: Display management + +:(before "End Globals") +int Display_row = 0; +int Display_column = 0; + +:(before "End Includes") +#define CHECK_SCREEN \ + if (!tb_is_active()) { \ + if (Run_tests) \ + raise << maybe(current_recipe_name()) << "tried to print to real screen in a test!\n" << end(); \ + else \ + raise << maybe(current_recipe_name()) << "tried to print to real screen before 'open-console' or after 'close-console'\n" << end(); \ + break; \ + } +#define CHECK_CONSOLE \ + if (!tb_is_active()) { \ + if (Run_tests) \ + raise << maybe(current_recipe_name()) << "tried to read event from real keyboard/mouse in a test!\n" << end(); \ + else \ + raise << maybe(current_recipe_name()) << "tried to read event from real keyboard/mouse before 'open-console' or after 'close-console'\n" << end(); \ + break; \ + } + +:(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(); + std::setvbuf(stdout, NULL, _IONBF, 0); // disable buffering in cout + Display_row = Display_column = 0; + int width = tb_width(); + int height = tb_height(); + if (width > 222 || height > 222) { + if (width > 222) + raise << "sorry, Mu doesn't support windows wider than 222 characters in console mode. Please resize your window.\n" << end(); + if (height > 222) + raise << "sorry, Mu doesn't support windows taller than 222 characters in console mode. Please resize your window.\n" << end(); + exit(1); + } + 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 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: { + CHECK_SCREEN; + tb_clear(); + Display_row = Display_column = 0; + 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 << maybe(get(Recipe, r).name) << "'print-character-to-display' requires at least one ingredient, but got '" << to_original_string(inst) << "'\n" << end(); + break; + } + if (!is_mu_number(inst.ingredients.at(0))) { + raise << 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 << 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 << 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: { + CHECK_SCREEN; + int h=tb_height(), w=tb_width(); + int height = (h >= 0) ? h : 0; + int width = (w >= 0) ? w : 0; + int c = ingredients.at(0).at(0); + int color = TB_WHITE; + 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_print(c, color, bg_color); + // track row and column, mimicking what happens on screen + if (c == '\n') { + if (Display_row < height-1) ++Display_row; // otherwise we scroll and Display_row remains unchanged + } + else if (c == '\r') { + Display_column = 0; + } + else if (c == '\b') { + if (Display_column > 0) --Display_column; + } + else { + ++Display_column; + if (Display_column >= width) { + Display_column = 0; + if (Display_row < height-1) ++Display_row; + } + } + 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: { + CHECK_SCREEN; + 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 << maybe(get(Recipe, r).name) << "'move-cursor-on-display' requires two ingredients, but got '" << to_original_string(inst) << "'\n" << end(); + break; + } + if (!is_mu_number(inst.ingredients.at(0))) { + raise << 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 << 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: { + CHECK_SCREEN; + Display_row = ingredients.at(0).at(0); + Display_column = ingredients.at(1).at(0); + tb_set_cursor(Display_column, Display_row); + 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: { + CHECK_SCREEN; + int h=tb_height(); + int height = (h >= 0) ? h : 0; + if (Display_row < height-1) { + ++Display_row; + tb_set_cursor(Display_column, Display_row); + } + 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: { + CHECK_SCREEN; + if (Display_row > 0) { + --Display_row; + tb_set_cursor(Display_column, Display_row); + } + 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: { + CHECK_SCREEN; + int w=tb_width(); + int width = (w >= 0) ? w : 0; + if (Display_column < width-1) { + ++Display_column; + tb_set_cursor(Display_column, Display_row); + } + 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: { + CHECK_SCREEN; + if (Display_column > 0) { + --Display_column; + tb_set_cursor(Display_column, Display_row); + } + break; +} + +//: as a convenience, make $print mostly work in console mode +:(before "End $print 10/newline Special-cases") +else if (tb_is_active()) { + move_cursor_to_start_of_next_line_on_display(); +} +:(code) +void move_cursor_to_start_of_next_line_on_display() { + if (Display_row < tb_height()-1) ++Display_row; + else Display_row = 0; + Display_column = 0; + tb_set_cursor(Display_column, Display_row); +} + +:(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: { + CHECK_SCREEN; + 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: { + CHECK_SCREEN; + products.resize(1); + products.at(0).push_back(tb_height()); + 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: { + CHECK_SCREEN; + 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: { + CHECK_CONSOLE; + 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) 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: { + CHECK_CONSOLE; + products.resize(1); + products.at(0).push_back(tb_event_ready()); + break; +} + +//: hacks to make text-mode apps more responsive under Unix + +:(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: { + CHECK_SCREEN; + int width = tb_width(); + for (int x = Display_column; x < width; ++x) + tb_print(' ', TB_WHITE, TB_BLACK); + tb_set_cursor(Display_column, Display_row); + break; +} + +:(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: { + CHECK_SCREEN; + // 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 (/*nada*/; row < height; ++row, column=left) { // start column from left in every inner loop except first + tb_set_cursor(column, row); + for (/*nada*/; column <= right; ++column) + tb_print(' ', TB_WHITE, TB_BLACK); + } + tb_set_cursor(Display_column, Display_row); + break; +} |