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terminal: split ANSI from DEC mode changes
This commit is contained in:
Tom Gundersen
parent
80d3d25d09
commit
7ee738ec33
@ -392,124 +392,111 @@ static inline void set_reset(term_screen *screen, unsigned int flag, bool set) {
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screen->flags &= ~flag;
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}
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static void screen_mode_change(term_screen *screen, unsigned int mode, bool dec, bool set) {
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static void screen_mode_change_ansi(term_screen *screen, unsigned mode, bool set) {
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switch (mode) {
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case 20:
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/*
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* LNM: line-feed/new-line mode
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* TODO
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*/
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set_reset(screen, TERM_FLAG_NEWLINE_MODE, set);
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break;
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}
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}
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static void screen_mode_change_dec(term_screen *screen, unsigned int mode, bool set) {
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switch (mode) {
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case 1:
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if (dec) {
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/*
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* DECCKM: cursor-keys
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* TODO
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*/
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set_reset(screen, TERM_FLAG_CURSOR_KEYS, set);
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}
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/*
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* DECCKM: cursor-keys
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* TODO
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*/
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set_reset(screen, TERM_FLAG_CURSOR_KEYS, set);
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break;
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case 6:
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if (dec) {
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/*
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* DECOM: origin-mode
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* TODO
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*/
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screen->state.origin_mode = set;
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}
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/*
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* DECOM: origin-mode
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* TODO
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*/
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screen->state.origin_mode = set;
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break;
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case 7:
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if (dec) {
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/*
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* DECAWN: auto-wrap mode
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* TODO
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*/
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screen->state.auto_wrap = set;
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}
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break;
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case 20:
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if (!dec) {
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/*
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* LNM: line-feed/new-line mode
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* TODO
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*/
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set_reset(screen, TERM_FLAG_NEWLINE_MODE, set);
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}
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/*
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* DECAWN: auto-wrap mode
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* TODO
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*/
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screen->state.auto_wrap = set;
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break;
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case 25:
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if (dec) {
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/*
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* DECTCEM: text-cursor-enable
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* TODO
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*/
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set_reset(screen, TERM_FLAG_HIDE_CURSOR, !set);
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screen_age_cursor(screen);
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}
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/*
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* DECTCEM: text-cursor-enable
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* TODO
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*/
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set_reset(screen, TERM_FLAG_HIDE_CURSOR, !set);
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screen_age_cursor(screen);
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break;
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case 47:
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if (dec) {
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/*
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* XTERM-ASB: alternate-screen-buffer
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* This enables/disables the alternate screen-buffer.
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* It effectively saves the current page content and
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* allows you to restore it when changing to the
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* original screen-buffer again.
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*/
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screen_change_alt(screen, set);
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}
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/*
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* XTERM-ASB: alternate-screen-buffer
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* This enables/disables the alternate screen-buffer.
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* It effectively saves the current page content and
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* allows you to restore it when changing to the
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* original screen-buffer again.
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*/
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screen_change_alt(screen, set);
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break;
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case 1047:
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if (dec) {
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/*
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* XTERM-ASBPE: alternate-screen-buffer-post-erase
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* This is the same as XTERM-ASB but erases the
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* alternate screen-buffer before switching back to the
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* original buffer. Use it to discard any data on the
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* alternate screen buffer when done.
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*/
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if (!set)
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screen_reset_page(screen, screen->page_alt);
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/*
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* XTERM-ASBPE: alternate-screen-buffer-post-erase
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* This is the same as XTERM-ASB but erases the
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* alternate screen-buffer before switching back to the
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* original buffer. Use it to discard any data on the
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* alternate screen buffer when done.
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*/
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if (!set)
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screen_reset_page(screen, screen->page_alt);
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screen_change_alt(screen, set);
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}
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screen_change_alt(screen, set);
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break;
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case 1048:
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if (dec) {
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/*
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* XTERM-ASBCS: alternate-screen-buffer-cursor-state
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* This has the same effect as DECSC/DECRC, but uses a
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* separate state buffer. It is usually used in
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* combination with alternate screen buffers to provide
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* stacked state storage.
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*/
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if (set)
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screen_save_state(screen, &screen->saved_alt);
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else
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screen_restore_state(screen, &screen->saved_alt);
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}
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/*
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* XTERM-ASBCS: alternate-screen-buffer-cursor-state
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* This has the same effect as DECSC/DECRC, but uses a
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* separate state buffer. It is usually used in
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* combination with alternate screen buffers to provide
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* stacked state storage.
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*/
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if (set)
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screen_save_state(screen, &screen->saved_alt);
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else
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screen_restore_state(screen, &screen->saved_alt);
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break;
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case 1049:
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if (dec) {
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/*
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* XTERM-ASBX: alternate-screen-buffer-extended
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* This combines XTERM-ASBPE and XTERM-ASBCS somewhat.
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* When enabling, state is saved, alternate screen
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* buffer is activated and cleared.
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* When disabled, alternate screen buffer is cleared,
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* then normal screen buffer is enabled and state is
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* restored.
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*/
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if (set)
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screen_save_state(screen, &screen->saved_alt);
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/*
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* XTERM-ASBX: alternate-screen-buffer-extended
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* This combines XTERM-ASBPE and XTERM-ASBCS somewhat.
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* When enabling, state is saved, alternate screen
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* buffer is activated and cleared.
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* When disabled, alternate screen buffer is cleared,
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* then normal screen buffer is enabled and state is
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* restored.
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*/
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if (set)
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screen_save_state(screen, &screen->saved_alt);
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screen_reset_page(screen, screen->page_alt);
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screen_change_alt(screen, set);
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screen_reset_page(screen, screen->page_alt);
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screen_change_alt(screen, set);
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if (!set)
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screen_restore_state(screen, &screen->saved_alt);
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}
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if (!set)
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screen_restore_state(screen, &screen->saved_alt);
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break;
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}
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@ -2763,7 +2750,7 @@ static int screen_RM_ANSI(term_screen *screen, const term_seq *seq) {
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unsigned int i;
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for (i = 0; i < seq->n_args; ++i)
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screen_mode_change(screen, seq->args[i], false, false);
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screen_mode_change_ansi(screen, seq->args[i], false);
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return 0;
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}
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@ -2777,7 +2764,7 @@ static int screen_RM_DEC(term_screen *screen, const term_seq *seq) {
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unsigned int i;
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for (i = 0; i < seq->n_args; ++i)
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screen_mode_change(screen, seq->args[i], true, false);
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screen_mode_change_dec(screen, seq->args[i], false);
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return 0;
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}
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@ -3057,7 +3044,7 @@ static int screen_SM_ANSI(term_screen *screen, const term_seq *seq) {
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unsigned int i;
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for (i = 0; i < seq->n_args; ++i)
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screen_mode_change(screen, seq->args[i], false, true);
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screen_mode_change_ansi(screen, seq->args[i], true);
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return 0;
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}
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@ -3071,7 +3058,7 @@ static int screen_SM_DEC(term_screen *screen, const term_seq *seq) {
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unsigned int i;
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for (i = 0; i < seq->n_args; ++i)
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screen_mode_change(screen, seq->args[i], true, true);
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screen_mode_change_dec(screen, seq->args[i], true);
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return 0;
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}
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