/* if_draw: Draws the interface on the screen.
* --------
*/
void if_draw(void)
{
if (!curses_initialized)
return;
/* Only redisplay the filedlg if it is up */
if (focus == FILE_DLG) {
filedlg_display(fd);
return;
}
update_status_win(WIN_NO_REFRESH);
if (get_src_height() != 0 && get_gdb_height() != 0)
swin_wnoutrefresh(status_win);
if (get_src_height() > 0)
source_display(src_viewer, focus == CGDB, WIN_NO_REFRESH);
separator_display(cur_split_orientation == WSO_VERTICAL);
if (get_gdb_height() > 0)
scr_refresh(gdb_scroller, focus == GDB, WIN_NO_REFRESH);
/* This check is here so that the cursor goes to the
* cgdb window. The cursor would stay in the gdb window
* on cygwin */
if (get_src_height() > 0 && focus == CGDB)
swin_wnoutrefresh(src_viewer->win);
swin_doupdate();
}
/* if_draw: Draws the interface on the screen.
* --------
*/
void if_draw(void)
{
/* Only redisplay the filedlg if it is up */
if (focus == FILE_DLG) {
filedlg_display(fd);
return;
}
update_status_win();
if (get_src_height() != 0 && get_gdb_height() != 0)
wrefresh(status_win);
if (tty_win_on)
wrefresh(tty_status_win);
if (get_src_height() > 0)
source_display(src_win, focus == CGDB);
if (tty_win_on && get_tty_height() > 0)
scr_refresh(tty_win, focus == TTY);
if (get_gdb_height() > 0)
scr_refresh(gdb_win, focus == GDB);
/* This check is here so that the cursor goes to the
* cgdb window. The cursor would stay in the gdb window
* on cygwin */
if (get_src_height() > 0 && focus == CGDB)
wrefresh(src_win->win);
}
/* if_layout: Update the layout of the screen based on current terminal size.
* ----------
*
* Return Value: Zero on success, non-zero on failure.
*/
static int if_layout()
{
/* Verify the window size is reasonable */
validate_window_sizes();
/* Initialize the GDB I/O window */
if (gdb_win == NULL) {
gdb_win =
scr_new(get_gdb_row(), get_gdb_col(), get_gdb_height(),
get_gdb_width());
if (gdb_win == NULL)
return 2;
} else { /* Resize the GDB I/O window */
if (get_gdb_height() > 0)
scr_move(gdb_win, get_gdb_row(), get_gdb_col(), get_gdb_height(),
get_gdb_width());
}
/* Initialize TTY I/O window */
if (tty_win == NULL) {
tty_win =
scr_new(get_tty_row(), get_tty_col(), get_tty_height(),
get_tty_width());
if (tty_win == NULL)
return 2;
} else { /* Resize the GDB I/O window */
if (get_tty_height() > 0)
scr_move(tty_win, get_tty_row(), get_tty_col(), get_tty_height(),
get_tty_width());
}
/* Initialize the source viewer window */
if (src_win == NULL) {
src_win =
source_new(get_src_row(), get_src_col(), get_src_height(),
get_src_width());
if (src_win == NULL)
return 3;
} else { /* Resize the source viewer window */
if (get_src_height() > 0)
source_move(src_win, get_src_row(), get_src_col(),
get_src_height(), get_src_width());
}
/* Initialize the status bar window */
status_win = newwin(get_src_status_height(), get_src_status_width(),
get_src_status_row(), get_src_status_col());
/* Initialize the tty status bar window */
if (tty_win_on)
tty_status_win =
newwin(get_tty_status_height(), get_tty_status_width(),
get_tty_status_row(), get_tty_status_col());
if_draw();
return 0;
}
/* if_layout: Update the layout of the screen based on current terminal size.
* ----------
*
* Return Value: Zero on success, -1 on failure.
*/
static int if_layout()
{
SWINDOW *gdb_scroller_win = NULL;
SWINDOW *src_viewer_win = NULL;
if (!curses_initialized)
return -1;
/* Verify the window size is reasonable */
validate_window_sizes();
/* Resize the source viewer window */
create_swindow(&src_viewer_win, get_src_height(), get_src_width(),
get_src_row(), get_src_col());
if (src_viewer) {
source_move(src_viewer, src_viewer_win);
} else {
src_viewer = source_new(src_viewer_win);
}
/* Resize the GDB I/O window */
create_swindow(&gdb_scroller_win, get_gdb_height(), get_gdb_width(),
get_gdb_row(), get_gdb_col());
if (gdb_scroller) {
scr_move(gdb_scroller, gdb_scroller_win);
} else {
gdb_scroller = scr_new(gdb_scroller_win);
}
/* Initialize the status bar window */
create_swindow(&status_win, get_src_status_height(),
get_src_status_width(), get_src_status_row(), get_src_status_col());
/* Redraw the interface */
if_draw();
return 0;
}
/* This is for the source window status bar */
static int get_src_status_row(void)
{
/* Usually would be 'get_src_row() + get_src_height()' but
* the row is 0 */
return get_src_height();
}
/* source_input: Handles user input to the source window.
* -------------
*
* sview: Source viewer object
* key: Keystroke received.
*/
static void source_input(struct sviewer *sview, int key)
{
static int number_line=0;
if ('0' <= key && key <= '9') {
number_line=number_line *10 ;
number_line=number_line+key-'0';
} else {
if (key!='g'){
number_line=0;
}
switch (key) {
case CGDB_KEY_UP:
case 'k': /* VI-style up-arrow */
source_vscroll(sview, -1);
break;
case CGDB_KEY_DOWN:
case 'j': /* VI-style down-arrow */
source_vscroll(sview, 1);
break;
case CGDB_KEY_LEFT:
case 'h':
source_hscroll(sview, -1);
break;
case CGDB_KEY_RIGHT:
case 'l':
source_hscroll(sview, 1);
break;
case CGDB_KEY_CTRL_U: /* VI-style 1/2 page up */
source_vscroll(sview, -(get_src_height() / 2));
break;
case CGDB_KEY_PPAGE:
case CGDB_KEY_CTRL_B: /* VI-style page up */
source_vscroll(sview, -(get_src_height() - 1));
break;
case CGDB_KEY_CTRL_D: /* VI-style 1/2 page down */
source_vscroll(sview, (get_src_height() / 2));
break;
case CGDB_KEY_NPAGE:
case CGDB_KEY_CTRL_F: /* VI-style page down */
source_vscroll(sview, get_src_height() - 1);
break;
case 'g': /* beggining of file */
if (last_key_pressed == 'g')
source_set_sel_line(sview, 1);
else
if (number_line>0)
{
source_set_sel_line(sview, number_line);
last_key_pressed=0;
number_line=0;
}
break;
case 'G': /* end of file */
source_set_sel_line(sview, 10000000);
break;
case '=':
/* inc window by 1 */
increase_win_height(0);
break;
case '-':
/* dec window by 1 */
decrease_win_height(0);
break;
case '+':
/* inc to jump or inc tty */
increase_win_height(1);
break;
case '_':
/* dec to jump or dec tty */
decrease_win_height(1);
break;
case 'o':
/* Causes file dialog to be opened */
{
extern int kui_input_acceptable;
kui_input_acceptable = 0;
tgdb_request_ptr request_ptr;
request_ptr = tgdb_request_inferiors_source_files(tgdb);
handle_request(tgdb, request_ptr);
}
break;
case ' ':
{
enum tgdb_breakpoint_action t = TGDB_BREAKPOINT_ADD;
toggle_breakpoint(sview, t);
}
break;
case 't':
{
enum tgdb_breakpoint_action t = TGDB_TBREAKPOINT_ADD;
toggle_breakpoint(sview, t);
}
break;
default:
break;
}
}
/* Some extended features that are set by :set sc */
if_draw();
}
/* This is for the source window status bar */
static int get_src_status_row(void)
{
return get_src_row() + get_src_height();
}
/* source_input: Handles user input to the source window.
* -------------
*
* sview: Source viewer object
* key: Keystroke received.
*/
static void source_input(struct sviewer *sview, int key)
{
switch (key) {
case CGDB_KEY_UP:
case 'k': { /* VI-style up-arrow */
int lineno = 1;
cgdb_string_to_int(ibuf_get(G_line_number), &lineno);
source_vscroll(sview, -lineno);
break;
}
case CGDB_KEY_DOWN:
case 'j': { /* VI-style down-arrow */
int lineno = 1;
cgdb_string_to_int(ibuf_get(G_line_number), &lineno);
source_vscroll(sview, lineno);
break;
}
case CGDB_KEY_LEFT:
case 'h':
source_hscroll(sview, -1);
break;
case CGDB_KEY_RIGHT:
case 'l':
source_hscroll(sview, 1);
break;
case CGDB_KEY_CTRL_U: /* VI-style 1/2 page up */
source_vscroll(sview, -(get_src_height() / 2));
break;
case CGDB_KEY_PPAGE:
case CGDB_KEY_CTRL_B: /* VI-style page up */
source_vscroll(sview, -(get_src_height() - 1));
break;
case CGDB_KEY_CTRL_D: /* VI-style 1/2 page down */
source_vscroll(sview, (get_src_height() / 2));
break;
case CGDB_KEY_NPAGE:
case CGDB_KEY_CTRL_F: /* VI-style page down */
source_vscroll(sview, get_src_height() - 1);
break;
case 'g': /* beginning of file */
if (last_key_pressed == 'g')
source_set_sel_line(sview, 1);
break;
case 'G': { /* end of file or a line number */
int lineno = -1;
cgdb_string_to_int(ibuf_get(G_line_number), &lineno);
source_set_sel_line(sview, lineno);
break;
}
case '=':
/* inc window by 1 */
increase_win_height(0);
break;
case '-':
/* dec window by 1 */
decrease_win_height(0);
break;
case '+':
increase_win_height(1);
break;
case '_':
decrease_win_height(1);
break;
case 'o':
/* Causes file dialog to be opened */
{
extern int kui_input_acceptable;
kui_input_acceptable = 0;
tgdb_request_inferiors_source_files(tgdb);
}
break;
case ' ':
{
enum tgdb_breakpoint_action t = TGDB_BREAKPOINT_ADD;
toggle_breakpoint(sview, t);
}
break;
case 't':
{
enum tgdb_breakpoint_action t = TGDB_TBREAKPOINT_ADD;
toggle_breakpoint(sview, t);
}
break;
default:
break;
}
/* Store digits into G_line_number for 'G' command. */
if (key >= '0' && key <= '9') {
ibuf_addchar(G_line_number, key);
} else {
ibuf_clear(G_line_number);
}
/* Some extended features that are set by :set sc */
if_draw();
}