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Clear with current attributes (not just background color), use real cursor (not layer).

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This commit is contained in:
Michael Jumper 2013-03-29 02:51:31 -07:00
parent 95923b2752
commit c95c51a9c1
5 changed files with 56 additions and 80 deletions
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23
protocols/ssh/include/terminal.h
View File

@ -323,11 +323,6 @@ struct guac_terminal {
*/
int cursor_col;
/**
* Simple cursor layer until scrollback, etc. is implemented.
*/
guac_layer* cursor_layer;
/**
* The attributes which will be applied to future characters.
*/
@ -392,18 +387,18 @@ int guac_terminal_copy(guac_terminal* term,
/**
* Clears a rectangular region of characters, replacing them with the
* given background color.
* current background color and attributes.
*/
int guac_terminal_clear(guac_terminal* term,
int row, int col, int rows, int cols, int background_color);
int row, int col, int rows, int cols);
/**
* Clears the given region from right-to-left, top-to-bottom, replacing
* all characters with the given background color.
* all characters with the current background color and attributes.
*/
int guac_terminal_clear_range(guac_terminal* term,
int start_row, int start_col,
int end_row, int end_col, int background_color);
int end_row, int end_col);
/**
* Scrolls the terminal's current scroll region up by one row.
@ -417,6 +412,11 @@ int guac_terminal_scroll_up(guac_terminal* term,
int guac_terminal_scroll_down(guac_terminal* term,
int start_row, int end_row, int amount);
/**
* Toggles the reverse attribute of the character at the given location.
*/
int guac_terminal_toggle_reverse(guac_terminal* term, int row, int col);
/**
* Allocates a new guac_terminal_delta.
*/
@ -462,11 +462,6 @@ void guac_terminal_delta_set_rect(guac_terminal_delta* delta,
void guac_terminal_delta_flush(guac_terminal_delta* delta,
guac_terminal* terminal);
/**
* Update the cursor position and contents.
*/
int guac_terminal_redraw_cursor(guac_terminal* term);
/**
* Allocates a new character buffer having the given dimensions.
*/

11
protocols/ssh/src/ssh_client.c
View File

@ -122,17 +122,6 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
term->char_width * term->term_width,
term->char_height * term->term_height);
/* Cursor layer need only be one char */
guac_protocol_send_size(socket, term->cursor_layer, term->char_width, term->char_height);
/* Draw cursor */
guac_protocol_send_rect(socket, term->cursor_layer,
0, 0, term->char_width, term->char_height);
guac_protocol_send_cfill(socket,
GUAC_COMP_OVER, term->cursor_layer,
0x40, 0xFF, 0x80, 0x80);
guac_socket_flush(socket);
/* Open SSH session */

20
protocols/ssh/src/ssh_handlers.c
View File

@ -85,6 +85,11 @@ int ssh_guac_client_handle_messages(guac_client* client) {
int bytes_read = 0;
/* Clear cursor */
guac_terminal_toggle_reverse(client_data->term,
client_data->term->cursor_row,
client_data->term->cursor_col);
/* While data available, write to terminal */
while (channel_is_open(client_data->term_channel)
&& !channel_is_eof(client_data->term_channel)
@ -102,14 +107,17 @@ int ssh_guac_client_handle_messages(guac_client* client) {
guac_socket_flush(socket);
return 1;
}
/* Draw cursor */
guac_terminal_toggle_reverse(client_data->term,
client_data->term->cursor_row,
client_data->term->cursor_col);
/* Flush terminal delta */
guac_terminal_delta_flush(client_data->term->delta, client_data->term);
}
/* Flush terminal delta */
guac_terminal_delta_flush(client_data->term->delta, client_data->term);
/* Update cursor */
guac_terminal_redraw_cursor(client_data->term);
return 0;
}

58
protocols/ssh/src/terminal.c
View File

@ -134,7 +134,6 @@ guac_terminal* guac_terminal_create(guac_client* client,
term->cursor_row = 0;
term->cursor_col = 0;
term->cursor_layer = guac_client_alloc_layer(client);
term->term_width = width / term->char_width;
term->term_height = height / term->char_height;
@ -174,8 +173,7 @@ guac_terminal* guac_terminal_create(guac_client* client,
/* Clear with background color */
guac_terminal_clear(term,
0, 0, term->term_height, term->term_width,
term->current_attributes.background);
0, 0, term->term_height, term->term_width);
return term;
@ -395,6 +393,22 @@ int guac_terminal_set(guac_terminal* term, int row, int col, char c) {
}
int guac_terminal_toggle_reverse(guac_terminal* term, int row, int col) {
/* Get character from buffer */
guac_terminal_char* guac_char =
&(term->buffer->characters[row*term->buffer->width + col]);
/* Toggle reverse */
guac_char->attributes.reverse = !(guac_char->attributes.reverse);
/* Set delta */
guac_terminal_delta_set(term->delta, row, col, guac_char);
return 0;
}
int guac_terminal_write(guac_terminal* term, const char* c, int size) {
while (size > 0) {
@ -428,13 +442,12 @@ int guac_terminal_copy(guac_terminal* term,
int guac_terminal_clear(guac_terminal* term,
int row, int col, int rows, int cols, int background_color) {
int row, int col, int rows, int cols) {
/* Build space */
guac_terminal_char character;
character.value = ' ';
character.attributes.reverse = false;
character.attributes.background = background_color;
character.attributes = term->current_attributes;
/* Fill with color */
guac_terminal_delta_set_rect(term->delta,
@ -463,8 +476,7 @@ int guac_terminal_scroll_up(guac_terminal* term,
/* Fill new rows with background */
|| guac_terminal_clear(term,
end_row - amount + 1, 0, amount, term->term_width,
term->current_attributes.background);
end_row - amount + 1, 0, amount, term->term_width);
}
@ -484,22 +496,20 @@ int guac_terminal_scroll_down(guac_terminal* term,
/* Fill new rows with background */
|| guac_terminal_clear(term,
start_row, 0, amount, term->term_width,
term->current_attributes.background);
start_row, 0, amount, term->term_width);
}
int guac_terminal_clear_range(guac_terminal* term,
int start_row, int start_col,
int end_row, int end_col, int background_color) {
int end_row, int end_col) {
/* If not at far left, must clear sub-region to far right */
if (start_col > 0) {
/* Clear from start_col to far right */
if (guac_terminal_clear(term,
start_row, start_col, 1, term->term_width - start_col,
background_color))
start_row, start_col, 1, term->term_width - start_col))
return 1;
/* One less row to clear */
@ -511,8 +521,7 @@ int guac_terminal_clear_range(guac_terminal* term,
/* Clear from far left to end_col */
if (guac_terminal_clear(term,
end_row, 0, 1, end_col + 1,
background_color))
end_row, 0, 1, end_col + 1))
return 1;
/* One less row to clear */
@ -524,8 +533,7 @@ int guac_terminal_clear_range(guac_terminal* term,
if (start_row <= end_row) {
if (guac_terminal_clear(term,
start_row, 0, end_row - start_row + 1, term->term_width,
background_color))
start_row, 0, end_row - start_row + 1, term->term_width))
return 1;
}
@ -986,22 +994,6 @@ void guac_terminal_delta_flush(guac_terminal_delta* delta,
}
int guac_terminal_redraw_cursor(guac_terminal* term) {
guac_socket* socket = term->client->socket;
/* Erase old cursor */
return
guac_protocol_send_move(socket,
term->cursor_layer,
GUAC_DEFAULT_LAYER,
term->char_width * term->cursor_col,
term->char_height * term->cursor_row,
1);
}
guac_terminal_buffer* guac_terminal_buffer_alloc(int width, int height) {
/* Allocate buffer */

24
protocols/ssh/src/terminal_handlers.c
View File

@ -348,21 +348,18 @@ int guac_terminal_csi(guac_terminal* term, char c) {
if (argv[0] == 0)
guac_terminal_clear_range(term,
term->cursor_row, term->cursor_col,
term->term_height-1, term->term_width-1,
term->current_attributes.background);
term->term_height-1, term->term_width-1);
/* Erase from start to cursor */
else if (argv[0] == 1)
guac_terminal_clear_range(term,
0, 0,
term->cursor_row, term->cursor_col,
term->current_attributes.background);
term->cursor_row, term->cursor_col);
/* Entire screen */
else if (argv[0] == 2)
guac_terminal_clear(term,
0, 0, term->term_height, term->term_width,
term->current_attributes.background);
0, 0, term->term_height, term->term_width);
break;
@ -373,23 +370,20 @@ int guac_terminal_csi(guac_terminal* term, char c) {
if (argv[0] == 0)
guac_terminal_clear(term,
term->cursor_row, term->cursor_col,
1, term->term_width - term->cursor_col,
term->current_attributes.background);
1, term->term_width - term->cursor_col);
/* Erase from start to cursor */
else if (argv[0] == 1)
guac_terminal_clear(term,
term->cursor_row, 0,
1, term->cursor_col + 1,
term->current_attributes.background);
1, term->cursor_col + 1);
/* Erase line */
else if (argv[0] == 2)
guac_terminal_clear(term,
term->cursor_row, 0,
1, term->term_width,
term->current_attributes.background);
1, term->term_width);
break;
@ -432,8 +426,7 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Clear right */
guac_terminal_clear(term,
term->cursor_row, term->term_width - amount,
1, amount,
term->current_attributes.background);
1, amount);
break;
@ -453,8 +446,7 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Clear left */
guac_terminal_clear(term,
term->cursor_row, term->cursor_col,
1, amount,
term->current_attributes.background);
1, amount);
break;