/* @brief Processes an entered key by:
*
* 1) Adding the key to the query buffer (backspace will remove a character).
* 2) Drawing the updated query to the screen if necessary.
* 3) Writing the updated query to the child process if necessary.
*
* @param query_buffer The string of the current query (what is typed).
* @param query_index A reference to the current length of the query.
* @param query_cursor_index A reference to the current index of the cursor
in the query.
* @param key The key enetered.
* @param connection A connection to the Xorg server.
* @param cairo_context A cairo context for drawing to the screen.
* @param cairo_surface A cairo surface for drawing to the screen.
* @param to_write A descriptor to write to the child process.
* @return 0 on success and 1 on failure.
*/
static inline int32_t process_key_stroke(char *query_buffer, uint32_t *query_index, uint32_t *query_cursor_index, xcb_keysym_t key, xcb_connection_t *connection, cairo_t *cairo_context, cairo_surface_t *cairo_surface, FILE *to_write) {
pthread_mutex_lock(&global.result_mutex);
/* Check when we should update. */
int32_t redraw = 0;
int32_t resend = 0;
debug("key: %u\n", key);
switch (key) {
case 65293: /* Enter. */
if (global.results && global.result_highlight < global.result_count && global.result_highlight >= 0) {
printf("%s", global.results[global.result_highlight].action);
goto cleanup;
}
break;
case 65361: /* Left. */
if (*query_cursor_index > 0) {
(*query_cursor_index)--;
redraw = 1;
}
break;
case 65363: /* Right. */
if (*query_cursor_index < *query_index) {
(*query_cursor_index)++;
redraw = 1;
}
break;
case 65362: /* Up. */
if (global.result_highlight > 0) {
global.result_highlight--;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
}
break;
case 65364: /* Down. */
if (global.result_count && global.result_highlight < global.result_count - 1) {
global.result_highlight++;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
}
break;
case 65289: /* Tab. */
if (global.result_count && global.result_highlight < global.result_count - 1) {
global.result_highlight++;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
} else if(global.result_count && global.result_highlight == global.result_count - 1) {
global.result_highlight = 0;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
}
break;
case 65056: /* Shift Tab */
if (global.result_count && global.result_highlight > 0) {
global.result_highlight--;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
} else if(global.result_count && global.result_highlight == 0) {
global.result_highlight = global.result_count - 1;
draw_response_text(connection, 0, cairo_context, cairo_surface, global.results, global.result_count);
}
break;
case 65307: /* Escape. */
goto cleanup;
case 65288: /* Backspace. */
if (*query_index > 0 && *query_cursor_index > 0) {
memmove(&query_buffer[(*query_cursor_index) - 1], &query_buffer[*query_cursor_index], *query_index - *query_cursor_index + 1);
(*query_cursor_index)--;
(*query_index)--;
query_buffer[(*query_index)] = 0;
redraw = 1;
resend = 1;
} else if (*query_index == 0 && settings.backspace_exit) { /* Backspace with nothing? */
goto cleanup;
}
break;
default:
if (isprint((char)key) && *query_index < MAX_QUERY) {
memmove(&query_buffer[(*query_cursor_index) + 1], &query_buffer[*query_cursor_index], *query_index - *query_cursor_index + 1);
query_buffer[(*query_cursor_index)++] = key;
(*query_index)++;
redraw = 1;
resend = 1;
}
break;
}
if (redraw) {
draw_query_text(cairo_context, cairo_surface, query_buffer, *query_cursor_index);
xcb_flush(connection);
}
if (resend) {
if (write_to_remote(to_write, "%s\n", query_buffer)) {
fprintf(stderr, "Failed to write.\n");
}
}
pthread_mutex_unlock(&global.result_mutex);
return 1;
cleanup:
pthread_mutex_unlock(&global.result_mutex);
return 0;
}
/* @brief Processes an entered key by:
*
* 1) Adding the key to the query buffer (backspace will remove a character).
* 2) Drawing the updated query to the screen if necessary.
* 3) Writing the updated query to the child process if necessary.
*
* @param query_buffer The string of the current query (what is typed).
* @param query_index A reference to the current length of the query.
* @param query_cursor_index A reference to the current index of the cursor
in the query.
* @param key The key enetered.
* @param connection A connection to the Xorg server.
* @param cairo_context A cairo context for drawing to the screen.
* @param cairo_surface A cairo surface for drawing to the screen.
* @param to_write A descriptor to write to the child process.
* @return 0 on success and 1 on failure.
*/
static inline int32_t process_key_stroke(xcb_window_t window, char *query_buffer, uint32_t *query_index, uint32_t *query_cursor_index, xcb_keysym_t key, uint16_t modifier_mask, xcb_connection_t *connection, cairo_t *cairo_context, cairo_surface_t *cairo_surface, FILE *to_write) {
pthread_mutex_lock(&global.result_mutex);
/* Check when we should update. */
int32_t redraw = 0;
int32_t resend = 0;
uint8_t mod_key = get_modifiers(modifier_mask);
debug("key: %u, modifier: %u\n", key, mod_key);
uint32_t highlight = global.result_highlight;
uint32_t old_pos;
if (global.result_count && key == 100 && mod_key == 3) {
/* CTRL-D
* GO down to the next title
*/
next_title(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
} else if (global.result_count && key == 117 && mod_key == 3) {
/* CTRL-U
* GO up to the next title
*/
previous_title(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
} else {
switch (key) {
case 65293: /* Enter. */
if (global.results && global.result_highlight < global.result_count) {
char *title = global.results[global.result_highlight].text;
char *action = global.results[global.result_highlight].action;
char command[255] = "echo '";
strcat(command, query_buffer);
strcat(command, " {");
char titleParsed[255];
str_replace(strcpy(titleParsed, title), "'", "'\\''");
strcat(command, titleParsed);
strcat(command, " | ");
char actionParsed[255];
str_replace(strcpy(actionParsed, action), "'", "'\\''");
strcat(command, actionParsed);
strcat(command, "}");
strcat(command, "' >> /home/olli/.local/share/lighthouse_queries && ");
printf("%s", command);
printf("%s", action);
goto cleanup;
}
break;
case 65471: /* F2 */
next_title(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
break;
case 65472: /* F3 */
previous_title(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
break;
case 65361: /* Left. */
if (*query_cursor_index > 0) {
(*query_cursor_index)--;
redraw = 1;
}
break;
case 65363: /* Right. */
if (*query_cursor_index < *query_index) {
(*query_cursor_index)++;
redraw = 1;
}
break;
case 65362: /* Up. */
if (!global.result_count)
break;
if (highlight) { /* Avoid segfault when highlight on the top. */
old_pos = highlight;
get_previous_non_title(&highlight);
if (!global.results[highlight].action) {
/* If it's a title it mean the get_previous_non_title function
* found nothing and hit the top.
*/
highlight = old_pos; /* To not let the highlight point on a title. */
if (global.result_offset)
global.result_offset--;
}
global.result_highlight = highlight;
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
}
break;
case 65364: /* Down. */
if (!global.result_count)
break;
if (highlight < global.result_count - 1) {
old_pos = highlight;
get_next_non_title(&highlight);
if (highlight == global.result_count) {
/* If no other result with an action can be found, it just inc the
* the offset so it can show the hidden title and make the highlight to the
* previous non_title.
* NB: If the offset limit is exceed, it's handled by the draw_result_text function.
*/
highlight = old_pos;
global.result_offset++;
}
global.result_highlight = highlight;
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
}
break;
case 65289: /* Tab. */
if (!global.result_count)
break;
get_next_line(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
break;
case 65056: /* Shift Tab */
if (!global.result_count)
break;
get_previous_line(&highlight);
draw_result_text(connection, window, cairo_context, cairo_surface, global.results);
break;
case 65307: /* Escape. */
goto cleanup;
case 65288: /* Backspace. */
if (*query_index > 0 && *query_cursor_index > 0) {
memmove(&query_buffer[(*query_cursor_index) - 1], &query_buffer[*query_cursor_index], *query_index - *query_cursor_index + 1);
(*query_cursor_index)--;
(*query_index)--;
query_buffer[(*query_index)] = 0;
redraw = 1;
resend = 1;
} else if (*query_index == 0 && settings.backspace_exit) { /* Backspace with nothing */
goto cleanup;
}
break;
default:
if (isprint((char)key) && *query_index < MAX_QUERY) {
memmove(&query_buffer[(*query_cursor_index) + 1], &query_buffer[*query_cursor_index], *query_index - *query_cursor_index + 1);
query_buffer[(*query_cursor_index)++] = key;
(*query_index)++;
redraw = 1;
resend = 1;
}
break;
}
}
if (redraw) {
draw_query_text(cairo_context, cairo_surface, query_buffer, *query_cursor_index);
xcb_flush(connection);
}
if (resend) {
if (write_to_remote(to_write, "%s\n", query_buffer)) {
fprintf(stderr, "Failed to write.\n");
}
}
pthread_mutex_unlock(&global.result_mutex);
return 1;
cleanup:
pthread_mutex_unlock(&global.result_mutex);
return 0;
}
