static gboolean edit_update_cursor (WEdit * edit, const mouse_event_t * event) { int x, y; gboolean done; x = event->x - (edit->fullscreen ? 0 : 1); y = event->y - (edit->fullscreen ? 0 : 1); if (edit->mark2 != -1 && event->msg == MSG_MOUSE_UP) return TRUE; /* don't do anything */ if (event->msg == MSG_MOUSE_DOWN || event->msg == MSG_MOUSE_UP) edit_push_key_press (edit); if (!option_cursor_beyond_eol) edit->prev_col = x - edit->start_col - option_line_state_width; else { long line_len; line_len = edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0, edit_buffer_get_current_eol (&edit->buffer)); if (x > line_len - 1) { edit->over_col = x - line_len - edit->start_col - option_line_state_width; edit->prev_col = line_len; } else { edit->over_col = 0; edit->prev_col = x - option_line_state_width - edit->start_col; } } if (y > edit->curs_row) edit_move_down (edit, y - edit->curs_row, FALSE); else if (y < edit->curs_row) edit_move_up (edit, edit->curs_row - y, FALSE); else edit_move_to_prev_col (edit, edit_buffer_get_current_bol (&edit->buffer)); if (event->msg == MSG_MOUSE_CLICK) { edit_mark_cmd (edit, TRUE); /* reset */ edit->highlight = 0; } done = (event->msg != MSG_MOUSE_DRAG); if (done) edit_mark_cmd (edit, FALSE); return done; }
/** * Handle mouse events of editor window * * @param w Widget object (the editor window) * @param msg mouse event message * @param event mouse event data */ static void edit_mouse_callback (Widget * w, mouse_msg_t msg, mouse_event_t * event) { WEdit *edit = (WEdit *) w; /* buttons' distance from right edge */ int dx = edit->fullscreen ? 0 : 2; /* location of 'Close' and 'Toggle fullscreen' pictograms */ int close_x, toggle_fullscreen_x; close_x = (w->cols - 1) - dx - 1; toggle_fullscreen_x = close_x - 3; if (edit->drag_state != MCEDIT_DRAG_NONE) { /* window is being resized/moved */ edit_mouse_handle_move_resize (w, msg, event); return; } /* If it's the last line on the screen, we abort the event to make the * system channel it to the overlapping buttonbar instead. We have to do * this because a WEdit has the WOP_TOP_SELECT flag, which makes it above * the buttonbar in Z-order. */ if (msg == MSG_MOUSE_DOWN && (event->y + w->y == LINES - 1)) { event->result.abort = TRUE; return; } switch (msg) { case MSG_MOUSE_DOWN: widget_select (w); edit_update_curs_row (edit); edit_update_curs_col (edit); if (!edit->fullscreen) { if (event->y == 0) { if (event->x >= close_x - 1 && event->x <= close_x + 1) ; /* do nothing (see MSG_MOUSE_CLICK) */ else if (event->x >= toggle_fullscreen_x - 1 && event->x <= toggle_fullscreen_x + 1) ; /* do nothing (see MSG_MOUSE_CLICK) */ else { /* start window move */ edit_execute_cmd (edit, CK_WindowMove, -1); edit_update_screen (edit); /* Paint the buttonbar over our possibly overlapping frame. */ edit->drag_state_start = event->x; } break; } if (event->y == w->lines - 1 && event->x == w->cols - 1) { /* bottom-right corner -- start window resize */ edit_execute_cmd (edit, CK_WindowResize, -1); break; } } MC_FALLTHROUGH; /* to start/stop text selection */ case MSG_MOUSE_UP: edit_update_cursor (edit, event); edit_total_update (edit); break; case MSG_MOUSE_CLICK: if (event->y == 0) { if (event->x >= close_x - 1 && event->x <= close_x + 1) send_message (w->owner, NULL, MSG_ACTION, CK_Close, NULL); else if (event->x >= toggle_fullscreen_x - 1 && event->x <= toggle_fullscreen_x + 1) edit_toggle_fullscreen (edit); else if (!edit->fullscreen && event->count == GPM_DOUBLE) /* double click on top line (toggle fullscreen) */ edit_toggle_fullscreen (edit); } else if (event->count == GPM_DOUBLE) { /* double click */ edit_mark_current_word_cmd (edit); edit_total_update (edit); } else if (event->count == GPM_TRIPLE) { /* triple click: works in GPM only, not in xterm */ edit_mark_current_line_cmd (edit); edit_total_update (edit); } break; case MSG_MOUSE_DRAG: edit_update_cursor (edit, event); edit_total_update (edit); break; case MSG_MOUSE_SCROLL_UP: edit_move_up (edit, 2, TRUE); edit_total_update (edit); break; case MSG_MOUSE_SCROLL_DOWN: edit_move_down (edit, 2, TRUE); edit_total_update (edit); break; default: break; } }
static int edit_event (Gpm_Event * event, void *data) { WEdit *edit = (WEdit *) data; Widget *w = WIDGET (data); Gpm_Event local; if (!mouse_global_in_widget (event, w)) return MOU_UNHANDLED; local = mouse_get_local (event, w); /* Unknown event type */ if ((event->type & (GPM_DOWN | GPM_DRAG | GPM_UP)) == 0) return MOU_NORMAL; dlg_set_top_widget (w); edit_update_curs_row (edit); edit_update_curs_col (edit); if (edit->fullscreen || (local.buttons & GPM_B_LEFT) == 0 || (local.type & GPM_UP) != 0) edit->drag_state = MCEDIT_DRAG_NORMAL; else if (local.y == 1 && edit->drag_state != MCEDIT_DRAG_RESIZE) { /* click on the top line (move) */ int dx = edit->fullscreen ? 0 : 2; if (local.x == w->cols - dx - 1) { send_message (w->owner, NULL, MSG_ACTION, CK_Close, NULL); return MOU_NORMAL; } if (local.x == w->cols - dx - 4) { edit_toggle_fullscreen (edit); return MOU_NORMAL; } if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0) { /* move if not fullscreen */ edit->drag_state_start = local.x; edit->drag_state = MCEDIT_DRAG_MOVE; edit->force |= REDRAW_COMPLETELY; edit_update_screen (edit); } } else if (!edit->fullscreen && local.y == w->lines && local.x == w->cols) { /* click on bottom-right corner (resize) */ if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0) { edit->drag_state = MCEDIT_DRAG_RESIZE; edit->force |= REDRAW_COMPLETELY; edit_update_screen (edit); } } if (edit->drag_state == MCEDIT_DRAG_NORMAL) { gboolean done = TRUE; /* Double click */ if ((local.type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE)) { edit_mark_current_word_cmd (edit); goto update; } #if 0 /* Triple click */ if ((local.type & (GPM_TRIPLE | GPM_UP)) == (GPM_UP | GPM_TRIPLE)) { edit_mark_current_line_cmd (edit); goto update; } #endif /* Wheel events */ if ((local.buttons & GPM_B_UP) != 0 && (local.type & GPM_DOWN) != 0) { edit_move_up (edit, 2, 1); goto update; } if ((local.buttons & GPM_B_DOWN) != 0 && (local.type & GPM_DOWN) != 0) { edit_move_down (edit, 2, 1); goto update; } /* continue handle current event */ goto cont; /* handle DRAG mouse event, don't use standard way to continue * event handling outside of widget */ do { int c; c = tty_get_event (event, FALSE, TRUE); if (c == EV_NONE || c != EV_MOUSE) break; local = mouse_get_local (event, w); cont: /* A lone up mustn't do anything */ if (edit->mark2 != -1 && (local.type & (GPM_UP | GPM_DRAG)) != 0) return MOU_NORMAL; if ((local.type & (GPM_DOWN | GPM_UP)) != 0) edit_push_key_press (edit); if (!edit->fullscreen) local.x--; if (!option_cursor_beyond_eol) edit->prev_col = local.x - edit->start_col - option_line_state_width - 1; else { long line_len; line_len = edit_move_forward3 (edit, edit_buffer_get_current_bol (&edit->buffer), 0, edit_buffer_get_current_eol (&edit->buffer)); if (local.x > line_len) { edit->over_col = local.x - line_len - edit->start_col - option_line_state_width - 1; edit->prev_col = line_len; } else { edit->over_col = 0; edit->prev_col = local.x - option_line_state_width - edit->start_col - 1; } } if (!edit->fullscreen) local.y--; if (local.y > (edit->curs_row + 1)) edit_move_down (edit, local.y - (edit->curs_row + 1), 0); else if (local.y < (edit->curs_row + 1)) edit_move_up (edit, (edit->curs_row + 1) - local.y, 0); else edit_move_to_prev_col (edit, edit_buffer_get_current_bol (&edit->buffer)); if ((local.type & GPM_DOWN) != 0) { edit_mark_cmd (edit, TRUE); /* reset */ edit->highlight = 0; } done = (local.type & GPM_DRAG) == 0; if (done) edit_mark_cmd (edit, FALSE); update: edit_find_bracket (edit); edit->force |= REDRAW_COMPLETELY; edit_update_curs_row (edit); edit_update_curs_col (edit); edit_update_screen (edit); } while (!edit->fullscreen && !done); } else while (edit->drag_state != MCEDIT_DRAG_NORMAL) { int c; int y; c = tty_get_event (event, FALSE, TRUE); y = event->y - 1; if (c == EV_NONE || c != EV_MOUSE) { /* redraw frame */ edit->drag_state = MCEDIT_DRAG_NORMAL; edit->force |= REDRAW_COMPLETELY; edit_update_screen (edit); } else if (y == w->y && (event->type & (GPM_DOUBLE | GPM_UP)) == (GPM_DOUBLE | GPM_UP)) { /* double click on top line (toggle fullscreen) */ edit_toggle_fullscreen (edit); edit->drag_state = MCEDIT_DRAG_NORMAL; edit->force |= REDRAW_COMPLETELY; edit_update_screen (edit); } else if ((event->type & (GPM_DRAG | GPM_DOWN)) == 0) { /* redraw frame */ edit->drag_state = MCEDIT_DRAG_NORMAL; edit->force |= REDRAW_COMPLETELY; edit_update_screen (edit); } else if (!edit->fullscreen) { Widget *h = WIDGET (w->owner); if (edit->drag_state == MCEDIT_DRAG_MOVE) { int x = event->x - 1; y = max (y, h->y + 1); /* status line */ y = min (y, h->y + h->lines - 2); /* buttonbar */ x = max (x, h->x); x = min (x, h->x + h->cols - 1); /* don't use widget_set_size() here to avoid double draw */ w->y = y; w->x = x - edit->drag_state_start; edit->force |= REDRAW_COMPLETELY; } else if (edit->drag_state == MCEDIT_DRAG_RESIZE) { event->y = min (event->y, h->y + h->lines - 1); /* buttonbar */ event->x = min (event->x, h->x + h->cols); local = mouse_get_local (event, w); /* don't use widget_set_size() here to avoid double draw */ w->lines = max (WINDOW_MIN_LINES, local.y); w->cols = max (WINDOW_MIN_COLS, local.x); edit->force |= REDRAW_COMPLETELY; } dlg_redraw (w->owner); } } return MOU_NORMAL; }
static int edit_event (Gpm_Event * event, void *data) { WEdit *edit = (WEdit *) data; /* Unknown event type */ if (!(event->type & (GPM_DOWN | GPM_DRAG | GPM_UP))) return MOU_NORMAL; edit_update_curs_row (edit); edit_update_curs_col (edit); /* Outside editor window */ if (event->y < 1 || event->x < 1 || event->x > edit->widget.cols || event->y > edit->widget.lines) return MOU_NORMAL; /* Double click */ if ((event->type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE)) { edit_mark_current_word_cmd (edit); goto update; } #if 0 /* Triple click */ if ((event->type & (GPM_TRIPLE | GPM_UP)) == (GPM_UP | GPM_TRIPLE)) { edit_mark_current_line_cmd (edit); goto update; } #endif /* Wheel events */ if ((event->buttons & GPM_B_UP) && (event->type & GPM_DOWN)) { edit_move_up (edit, 2, 1); goto update; } if ((event->buttons & GPM_B_DOWN) && (event->type & GPM_DOWN)) { edit_move_down (edit, 2, 1); goto update; } /* A lone up mustn't do anything */ if (edit->mark2 != -1 && event->type & (GPM_UP | GPM_DRAG)) return MOU_NORMAL; if (event->type & (GPM_DOWN | GPM_UP)) edit_push_key_press (edit); if (!option_cursor_beyond_eol) edit->prev_col = event->x - edit->start_col - option_line_state_width - 1; else { long line_len = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0, edit_eol (edit, edit->curs1)); if (event->x > line_len) { edit->over_col = event->x - line_len - edit->start_col - option_line_state_width - 1; edit->prev_col = line_len; } else { edit->over_col = 0; edit->prev_col = event->x - option_line_state_width - edit->start_col - 1; } } --event->y; if (event->y > edit->curs_row) edit_move_down (edit, event->y - edit->curs_row, 0); else if (event->y < edit->curs_row) edit_move_up (edit, edit->curs_row - event->y, 0); else edit_move_to_prev_col (edit, edit_bol (edit, edit->curs1)); if (event->type & GPM_DOWN) { edit_mark_cmd (edit, 1); /* reset */ edit->highlight = 0; } if (!(event->type & GPM_DRAG)) edit_mark_cmd (edit, 0); update: edit_find_bracket (edit); edit->force |= REDRAW_COMPLETELY; edit_update_curs_row (edit); edit_update_curs_col (edit); edit_update_screen (edit); return MOU_NORMAL; }
void format_paragraph (WEdit * edit, gboolean force) { off_t p, q; long lines; off_t size; GString *t; long indent; unsigned char *t2; gboolean utf8 = FALSE; if (option_word_wrap_line_length < 2) return; if (edit_line_is_blank (edit, edit->buffer.curs_line)) return; p = begin_paragraph (edit, force, &lines); q = end_paragraph (edit, force); indent = test_indent (edit, p, q); t = get_paragraph (&edit->buffer, p, q, indent != 0); size = t->len - 1; if (!force) { off_t i; char *stop_format_chars; if (option_stop_format_chars != NULL && strchr (option_stop_format_chars, t->str[0]) != NULL) { g_string_free (t, TRUE); return; } if (option_stop_format_chars == NULL || *option_stop_format_chars == '\0') stop_format_chars = g_strdup ("\t"); else stop_format_chars = g_strconcat (option_stop_format_chars, "\t", (char *) NULL); for (i = 0; i < size - 1; i++) if (t->str[i] == '\n' && strchr (stop_format_chars, t->str[i + 1]) != NULL) { g_free (stop_format_chars); g_string_free (t, TRUE); return; } g_free (stop_format_chars); } t2 = (unsigned char *) g_string_free (t, FALSE); #ifdef HAVE_CHARSET utf8 = edit->utf8; #endif /* scroll up to show 1st line of paragraph */ edit_move_up (edit, lines, TRUE); /* scroll left as much as possible to show the formatted paragraph */ edit_scroll_left (edit, -edit->start_col); format_this (t2, q - p, indent, utf8); put_paragraph (edit, t2, p, indent, size); g_free ((char *) t2); /* move to the end of paragraph */ q = end_paragraph (edit, force); edit_cursor_move (edit, q - edit->buffer.curs1); /* try move to the start of next paragraph */ if (edit->buffer.curs_line < edit->buffer.lines) { edit_execute_cmd (edit, CK_Home, -1); do { edit_execute_cmd (edit, CK_Down, -1); } while (edit->buffer.curs_line < edit->buffer.lines && edit_line_is_blank (edit, edit->buffer.curs_line)); } }