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Fix compile errors. Add logs to stubs.

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This commit is contained in:
Michael Jumper 2013-04-26 01:53:19 -07:00
parent bed877c2fe
commit d3db89d3b9
7 changed files with 151 additions and 352 deletions
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8
protocols/ssh/include/buffer.h
View File

@ -112,6 +112,12 @@ void guac_terminal_buffer_free(guac_terminal_buffer* buffer);
*/
guac_terminal_buffer_row* guac_terminal_buffer_get_row(guac_terminal_buffer* buffer, int row);
/**
* Ensures the given row has at least the given number of character spaces available. If new characters
* must be added, they are initialized with the given fill character.
*/
void guac_terminal_buffer_prepare_row(guac_terminal_buffer_row* row, int width, guac_terminal_char* fill);
/**
* Copies the given range of columns to a new location, offset from
* the original by the given number of columns.
@ -123,7 +129,7 @@ void guac_terminal_buffer_copy_columns(guac_terminal_buffer* buffer, int row,
* Copies the given range of rows to a new location, offset from the
* original by the given number of rows.
*/
void guac_terminal_buffer_copy_rows(guac_terminal_buffer* buffer, int src_row, int rows,
void guac_terminal_buffer_copy_rows(guac_terminal_buffer* buffer,
int start_row, int end_row, int offset);
/**

2
protocols/ssh/include/display.h
View File

@ -204,7 +204,7 @@ void guac_terminal_display_copy_columns(guac_terminal_display* display, int row,
* Copies the given range of rows to a new location, offset from the
* original by the given number of rows.
*/
void guac_terminal_display_copy_rows(guac_terminal_display* display, int src_row, int rows,
void guac_terminal_display_copy_rows(guac_terminal_display* display,
int start_row, int end_row, int offset);
/**

16
protocols/ssh/include/terminal.h
View File

@ -118,10 +118,11 @@ struct guac_terminal {
guac_terminal_attributes current_attributes;
/**
* The attributes which will be applied to characters by default, unless
* other attributes are explicitly specified.
* The character whose attributes dictate the default attributes
* of all characters. When new screen space is allocated, this
* character fills the gaps.
*/
guac_terminal_attributes default_attributes;
guac_terminal_char default_char;
/**
* Handler which will receive all printed characters, updating the terminal
@ -192,11 +193,10 @@ int guac_terminal_write(guac_terminal* term, const char* c, int size);
int guac_terminal_set(guac_terminal* term, int row, int col, char c);
/**
* Clears a rectangular region of characters, replacing them with the
* current background color and attributes.
* Clears the given region within a single row.
*/
int guac_terminal_clear(guac_terminal* term,
int row, int col, int rows, int cols);
int guac_terminal_clear_columns(guac_terminal* term,
int row, int start_col, int end_col);
/**
* Clears the given region from right-to-left, top-to-bottom, replacing
@ -265,7 +265,7 @@ void guac_terminal_copy_columns(guac_terminal* terminal, int row,
* Copies the given range of rows to a new location, offset from the
* original by the given number of rows.
*/
void guac_terminal_copy_rows(guac_terminal* terminal, int src_row, int rows,
void guac_terminal_copy_rows(guac_terminal* terminal,
int start_row, int end_row, int offset);
/**

25
protocols/ssh/src/buffer.c
View File

@ -101,13 +101,36 @@ guac_terminal_buffer_row* guac_terminal_buffer_get_row(guac_terminal_buffer* buf
}
void guac_terminal_buffer_prepare_row(guac_terminal_buffer_row* row, int width, guac_terminal_char* fill) {
int i;
guac_terminal_char* first;
/* If already wide enough, nothing to do. */
if (width < row->length)
return;
/* Expand if necessary */
if (width > row->available) {
row->available = width*2;
row->characters = realloc(row->characters, sizeof(guac_terminal_char) * row->available);
}
/* Initialize new part of row */
first = &(row->characters[row->length]);
for (i=row->length; i<width; i++)
*(first++) = *fill;
row->length = width;
}
void guac_terminal_buffer_copy_columns(guac_terminal_buffer* buffer, int row,
int start_column, int end_column, int offset) {
/* STUB */
}
void guac_terminal_buffer_copy_rows(guac_terminal_buffer* buffer, int src_row, int rows,
void guac_terminal_buffer_copy_rows(guac_terminal_buffer* buffer,
int start_row, int end_row, int offset) {
/* STUB */
}

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

@ -344,16 +344,25 @@ void guac_terminal_display_free(guac_terminal_display* display) {
void guac_terminal_display_copy_columns(guac_terminal_display* display, int row,
int start_column, int end_column, int offset) {
/* STUB */
guac_client_log_info(display->client,
"display_copy_columns: row=%i, start=%i, end=%i, offset=%i",
row, start_column, end_column, offset);
}
void guac_terminal_display_copy_rows(guac_terminal_display* display, int src_row, int rows,
void guac_terminal_display_copy_rows(guac_terminal_display* display,
int start_row, int end_row, int offset) {
/* STUB */
guac_client_log_info(display->client,
"display_copy_rows: start=%i, end=%i, offset=%i",
start_row, end_row, offset);
}
void guac_terminal_display_set_columns(guac_terminal_display* display, int row,
int start_column, int end_column, guac_terminal_char* character) {
/* STUB */
guac_client_log_info(display->client,
"display_set_columns: row=%i, start=%i, end=%i, char='%c'",
row, start_column, end_column, character->value);
}
void guac_terminal_display_resize(guac_terminal_display* display, int rows, int cols) {

383
protocols/ssh/src/terminal.c
View File

@ -56,13 +56,15 @@
guac_terminal* guac_terminal_create(guac_client* client,
int width, int height) {
guac_terminal_attributes default_attributes = {
.foreground = 7,
.background = 0,
.bold = false,
.reverse = false,
.underscore = false
};
guac_terminal_char default_char = {
.value = ' ',
.attributes = {
.foreground = 7,
.background = 0,
.bold = false,
.reverse = false,
.underscore = false
}};
guac_terminal* term = malloc(sizeof(guac_terminal));
term->client = client;
@ -74,12 +76,12 @@ guac_terminal* guac_terminal_create(guac_client* client,
/* Init display */
term->display = guac_terminal_display_alloc(client,
term->term_width, term->term_height,
default_attributes.foreground,
default_attributes.background);
default_char.attributes.foreground,
default_char.attributes.background);
/* Init terminal state */
term->current_attributes =
term->default_attributes = default_attributes;
term->current_attributes = default_char.attributes;
term->default_char = default_char;
term->cursor_row = 0;
term->cursor_col = 0;
@ -93,10 +95,6 @@ guac_terminal* guac_terminal_create(guac_client* client,
term->text_selected = false;
/* Clear with background color */
guac_terminal_clear(term,
0, 0, term->term_height, term->term_width);
/* Init terminal lock */
pthread_mutex_init(&(term->lock), NULL);
@ -116,19 +114,12 @@ void guac_terminal_free(guac_terminal* term) {
int guac_terminal_set(guac_terminal* term, int row, int col, char c) {
int scrolled_row = row + term->scroll_offset;
/* Build character with current attributes */
guac_terminal_char guac_char;
guac_char.value = c;
guac_char.attributes = term->current_attributes;
/* Set display */
if (scrolled_row < term->display->height)
guac_terminal_display_set_columns(term->display, scrolled_row, col, col, &guac_char);
/* Set buffer */
guac_terminal_buffer_set_columns(term->buffer, row, col, col, &guac_char);
guac_terminal_set_columns(term, row, col, col, &guac_char);
return 0;
@ -136,18 +127,20 @@ 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) {
guac_terminal_char* guac_char;
int scrolled_row = row + term->scroll_offset;
/* Get character from buffer */
guac_terminal_char* guac_char =
&(term->buffer->characters[row*term->buffer->width + col]);
guac_terminal_buffer_row* buffer_row = guac_terminal_buffer_get_row(term->buffer, row);
guac_terminal_buffer_prepare_row(buffer_row, col+1, &term->default_char);
/* Toggle reverse */
guac_char = &(buffer_row->characters[col]);
guac_char->attributes.reverse = !(guac_char->attributes.reverse);
/* Set display */
if (scrolled_row < term->display->height)
guac_terminal_display_set(term->display, scrolled_row, col, guac_char);
guac_terminal_display_set_columns(term->display, scrolled_row, col, col, guac_char);
return 0;
@ -164,120 +157,31 @@ int guac_terminal_write(guac_terminal* term, const char* c, int size) {
}
int guac_terminal_copy(guac_terminal* term,
int src_row, int src_col, int rows, int cols,
int dst_row, int dst_col) {
int scrolled_src_row = src_row + term->scroll_offset;
int scrolled_dst_row = dst_row + term->scroll_offset;
int scrolled_rows = rows;
/* FIXME: If source (but not dest) is partially scrolled out of view, then
* the display will not be updated properly. We need to pull the data
* from the buffer in such a case.
*/
if (scrolled_src_row < term->display->height &&
scrolled_dst_row < term->display->height) {
/* Adjust display rect height if scrolled out of view */
if (scrolled_src_row + scrolled_rows > term->display->height)
scrolled_rows = term->display->height - scrolled_src_row;
if (scrolled_dst_row + scrolled_rows > term->display->height)
scrolled_rows = term->display->height - scrolled_dst_row;
/* Update display */
guac_terminal_display_copy(term->display,
scrolled_dst_row, dst_col,
scrolled_src_row, src_col,
cols, rows);
}
/* Update buffer */
guac_terminal_buffer_copy(term->buffer,
dst_row, dst_col,
src_row, src_col,
cols, rows);
return 0;
}
int guac_terminal_clear(guac_terminal* term,
int row, int col, int rows, int cols) {
int scrolled_row = row + term->scroll_offset;
int scrolled_rows = rows;
/* Build space */
guac_terminal_char character;
character.value = ' ';
character.attributes = term->current_attributes;
if (scrolled_row < term->display->height) {
/* Adjust display rect height if scrolled out of view */
if (scrolled_row + scrolled_rows > term->display->height)
scrolled_rows = term->display->height - scrolled_row;
/* Fill with color */
guac_terminal_display_set_rect(term->display,
scrolled_row, col, cols, scrolled_rows, &character);
}
guac_terminal_buffer_set_rect(term->buffer,
row, col, cols, rows, &character);
return 0;
}
int guac_terminal_scroll_up(guac_terminal* term,
int start_row, int end_row, int amount) {
/* Calculate height of scroll region */
int height = end_row - start_row + 1;
/* If scroll region is entire screen, push rows into scrollback */
if (start_row == 0 && end_row == term->term_height-1)
guac_terminal_scrollback_buffer_append(term->scrollback, term, amount);
return
/* Move rows within scroll region up by the given amount */
guac_terminal_copy(term,
start_row + amount, 0,
height - amount, term->term_width,
start_row, 0)
/* Fill new rows with background */
|| guac_terminal_clear(term,
end_row - amount + 1, 0, amount, term->term_width);
/* STUB */
return 0;
}
int guac_terminal_scroll_down(guac_terminal* term,
int start_row, int end_row, int amount) {
/* STUB */
return 0;
}
/* Calculate height of scroll region */
int height = end_row - start_row + 1;
return
int guac_terminal_clear_columns(guac_terminal* term,
int row, int start_col, int end_col) {
/* Move rows within scroll region down by the given amount */
guac_terminal_copy(term,
start_row, 0,
height - amount, term->term_width,
start_row + amount, 0)
/* Build space */
guac_terminal_char blank;
blank.value = ' ';
blank.attributes = term->current_attributes;
/* Fill new rows with background */
|| guac_terminal_clear(term,
start_row, 0, amount, term->term_width);
/* Clear */
guac_terminal_set_columns(term,
row, start_col, end_col, &blank);
return 0;
}
@ -289,9 +193,8 @@ int guac_terminal_clear_range(guac_terminal* term,
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))
return 1;
guac_terminal_clear_columns(term,
start_row, start_col, term->term_width - 1);
/* One less row to clear */
start_row++;
@ -301,9 +204,7 @@ int guac_terminal_clear_range(guac_terminal* term,
if (end_col < term->term_width - 1) {
/* Clear from far left to end_col */
if (guac_terminal_clear(term,
end_row, 0, 1, end_col + 1))
return 1;
guac_terminal_clear_columns(term, end_row, 0, end_col);
/* One less row to clear */
end_row--;
@ -313,9 +214,13 @@ int guac_terminal_clear_range(guac_terminal* term,
/* Remaining region now guaranteed rectangular. Clear, if possible */
if (start_row <= end_row) {
if (guac_terminal_clear(term,
start_row, 0, end_row - start_row + 1, term->term_width))
return 1;
int row;
for (row=start_row; row<=end_row; row++) {
/* Clear entire row */
guac_terminal_clear_columns(term, row, 0, term->term_width - 1);
}
}
@ -455,7 +360,7 @@ void guac_terminal_scroll_display_down(guac_terminal* terminal,
/* Get row from scrollback */
guac_terminal_buffer_row* buffer_row =
guac_terminal_buffer_get_row(terminal, row);
guac_terminal_buffer_get_row(terminal->buffer, row);
/* Draw row */
/* FIXME: Clear row first */
@ -470,7 +375,7 @@ void guac_terminal_scroll_display_down(guac_terminal* terminal,
}
/* FIXME: Should flush somewhere more sensible */
guac_terminal_display_flush(terminal->display, terminal);
guac_terminal_display_flush(terminal->display);
guac_socket_flush(terminal->client->socket);
}
@ -484,8 +389,8 @@ void guac_terminal_scroll_display_up(guac_terminal* terminal,
/* Limit scroll amount by size of scrollback buffer */
if (terminal->scroll_offset + scroll_amount > terminal->scrollback->length)
scroll_amount = terminal->scrollback->length - terminal->scroll_offset;
if (terminal->scroll_offset + scroll_amount > terminal->buffer->length)
scroll_amount = terminal->buffer->length - terminal->scroll_offset;
/* If not scrolling at all, don't bother trying */
if (scroll_amount == 0)
@ -526,178 +431,44 @@ void guac_terminal_scroll_display_up(guac_terminal* terminal,
}
/* FIXME: Should flush somewhere more sensible */
guac_terminal_display_flush(terminal->display, terminal);
guac_terminal_display_flush(terminal->display);
guac_socket_flush(terminal->client->socket);
}
void guac_terminal_select_start(guac_terminal* terminal, int row, int column) {
guac_terminal_char* guac_char;
guac_terminal_operation* guac_operation;
/* Update selection coordinates */
terminal->selection_start_row =
terminal->selection_end_row = row;
terminal->selection_start_column =
terminal->selection_end_column = column;
terminal->text_selected = true;
/* Get char and operation */
guac_char = &(terminal->buffer->characters[terminal->buffer->width * row + column]);
guac_operation = &(terminal->display->operations[terminal->display->width * row + column]);
/* Set character as selected */
guac_char->attributes.selected = true;
guac_operation->type = GUAC_CHAR_SET;
guac_operation->character = *guac_char;
guac_terminal_display_flush(terminal->display, terminal);
guac_socket_flush(terminal->client->socket);
/* STUB */
}
void guac_terminal_select_update(guac_terminal* terminal, int row, int column) {
int start_index = terminal->selection_start_row * terminal->buffer->width
+ terminal->selection_start_column;
int old_end_index = terminal->selection_end_row * terminal->buffer->width
+ terminal->selection_end_column;
int new_end_index = row * terminal->buffer->width + column;
int old_index_a, old_index_b;
int new_index_a, new_index_b;
int search_index_a, search_index_b;
int i;
guac_terminal_char* guac_char;
guac_terminal_operation* guac_operation;
/* If unchanged, do nothing */
if (old_end_index == new_end_index) return;
/* Calculate old selection range */
if (start_index < old_end_index) {
old_index_a = start_index;
old_index_b = old_end_index;
}
else {
old_index_a = old_end_index;
old_index_b = start_index;
}
/* Calculate new selection range */
if (start_index < new_end_index) {
new_index_a = start_index;
new_index_b = new_end_index;
}
else {
new_index_a = new_end_index;
new_index_b = start_index;
}
if (new_index_a < old_index_a)
search_index_a = new_index_a;
else
search_index_a = old_index_a;
if (new_index_b > old_index_b)
search_index_b = new_index_b;
else
search_index_b = old_index_b;
/* Get first character */
guac_char = &(terminal->buffer->characters[search_index_a]);
guac_operation = &(terminal->display->operations[search_index_a]);
/* Invert modified area */
for (i=search_index_a; i<=search_index_b; i++) {
/* If now selected, mark as such */
if (i >= new_index_a && i <= new_index_b &&
(i < old_index_a || i > old_index_b)) {
guac_char->attributes.selected = true;
guac_operation->type = GUAC_CHAR_SET;
guac_operation->character = *guac_char;
}
/* If now unselected, mark as such */
else if (i >= old_index_a && i <= old_index_b &&
(i < new_index_a || i > new_index_b)) {
guac_char->attributes.selected = false;
guac_operation->type = GUAC_CHAR_SET;
guac_operation->character = *guac_char;
}
/* Next char */
guac_char++;
guac_operation++;
}
terminal->selection_end_row = row;
terminal->selection_end_column = column;
guac_terminal_display_flush(terminal->display, terminal);
guac_socket_flush(terminal->client->socket);
/* STUB */
}
void guac_terminal_select_end(guac_terminal* terminal) {
int index_a = terminal->selection_end_row * terminal->buffer->width
+ terminal->selection_end_column;
int index_b = terminal->selection_start_row * terminal->buffer->width
+ terminal->selection_start_column;
int i;
guac_terminal_char* guac_char;
guac_terminal_operation* guac_operation;
/* The start and end indices of all characters in selection */
int start_index;
int end_index;
/* Order indices such that end is after start */
if (index_a > index_b) {
start_index = index_b;
end_index = index_a;
}
else {
start_index = index_a;
end_index = index_b;
}
/* Get first character */
guac_char = &(terminal->buffer->characters[start_index]);
guac_operation = &(terminal->display->operations[start_index]);
/* Restore state from buffer */
for (i=start_index; i<=end_index; i++) {
/* Restore state */
guac_char->attributes.selected = false;
guac_operation->type = GUAC_CHAR_SET;
guac_operation->character = *guac_char;
/* Next char */
guac_char++;
guac_operation++;
}
terminal->text_selected = false;
guac_terminal_display_flush(terminal->display, terminal);
guac_socket_flush(terminal->client->socket);
/* STUB */
}
void guac_terminal_copy_columns(guac_terminal* terminal, int row,
int start_column, int end_column, int offset) {
/* STUB */
guac_client_log_info(terminal->client,
"terminal_copy_columns: row=%i, start=%i, end=%i, offset=%i",
row, start_column, end_column, offset);
}
void guac_terminal_copy_rows(guac_terminal* terminal,
int start_row, int end_row, int offset) {
/* STUB */
guac_client_log_info(terminal->client,
"terminal_copy_rows: start=%i, end=%i, offset=%i",
start_row, end_row, offset);
}
void guac_terminal_set_columns(guac_terminal* terminal, int row,
int start_column, int end_column, guac_terminal_char* character) {
/* STUB */
guac_client_log_info(terminal->client,
"terminal_set_columns: row=%i, start=%i, end=%i, char='%c'",
row, start_column, end_column, character->value);
}

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

@ -297,7 +297,7 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Reset attributes */
if (value == 0)
term->current_attributes = term->default_attributes;
term->current_attributes = term->default_char.attributes;
/* Bold */
else if (value == 1)
@ -319,20 +319,20 @@ int guac_terminal_csi(guac_terminal* term, char c) {
else if (value == 38) {
term->current_attributes.underscore = true;
term->current_attributes.foreground =
term->default_attributes.foreground;
term->default_char.attributes.foreground;
}
/* Underscore off, default foreground */
else if (value == 39) {
term->current_attributes.underscore = false;
term->current_attributes.foreground =
term->default_attributes.foreground;
term->default_char.attributes.foreground;
}
/* Reset background */
else if (value == 49)
term->current_attributes.background =
term->default_attributes.background;
term->default_char.attributes.background;
/* Reverse video */
else if (value == 7)
@ -400,8 +400,8 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Entire screen */
else if (argv[0] == 2)
guac_terminal_clear(term,
0, 0, term->term_height, term->term_width);
guac_terminal_clear_range(term,
0, 0, term->term_height - 1, term->term_width - 1);
break;
@ -410,22 +410,18 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Erase from cursor to end of line */
if (argv[0] == 0)
guac_terminal_clear(term,
term->cursor_row, term->cursor_col,
1, term->term_width - term->cursor_col);
guac_terminal_clear_columns(term, term->cursor_row,
term->cursor_col, term->term_width - 1);
/* Erase from start to cursor */
else if (argv[0] == 1)
guac_terminal_clear(term,
term->cursor_row, 0,
1, term->cursor_col + 1);
guac_terminal_clear_columns(term, term->cursor_row,
0, term->cursor_col);
/* Erase line */
else if (argv[0] == 2)
guac_terminal_clear(term,
term->cursor_row, 0,
1, term->term_width);
guac_terminal_clear_columns(term, term->cursor_row,
0, term->term_width - 1);
break;
@ -459,16 +455,13 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Scroll left by amount */
if (term->cursor_col + amount < term->term_width)
guac_terminal_copy(term,
term->cursor_row, term->cursor_col + amount,
1,
term->term_width - term->cursor_col - amount,
term->cursor_row, term->cursor_col);
guac_terminal_copy_columns(term, term->cursor_row,
term->cursor_col + amount, term->term_width - 1,
-amount);
/* Clear right */
guac_terminal_clear(term,
term->cursor_row, term->term_width - amount,
1, amount);
guac_terminal_clear_columns(term, term->cursor_row,
term->term_width - amount, term->term_width - 1);
break;
@ -479,9 +472,8 @@ int guac_terminal_csi(guac_terminal* term, char c) {
if (amount == 0) amount = 1;
/* Clear characters */
guac_terminal_clear(term,
term->cursor_row, term->cursor_col,
1, amount);
guac_terminal_clear_columns(term, term->cursor_row,
term->cursor_col, term->cursor_col + amount - 1);
break;
@ -493,15 +485,13 @@ int guac_terminal_csi(guac_terminal* term, char c) {
/* Scroll right by amount */
if (term->cursor_col + amount < term->term_width)
guac_terminal_copy(term,
term->cursor_row, term->cursor_col,
1, term->term_width - term->cursor_col - amount,
term->cursor_row, term->cursor_col + amount);
guac_terminal_copy_columns(term, term->cursor_row,
term->cursor_col, term->term_width - amount - 1,
amount);
/* Clear left */
guac_terminal_clear(term,
term->cursor_row, term->cursor_col,
1, amount);
guac_terminal_clear_columns(term, term->cursor_row,
term->cursor_col, term->cursor_col + amount - 1);
break;