diff options
Diffstat (limited to 'src/vte.c')
| -rw-r--r-- | src/vte.c | 124 |
1 files changed, 58 insertions, 66 deletions
@@ -472,10 +472,6 @@ vte_terminal_scroll_region(VteTerminal *terminal, long row, long count, long delta) { GtkWidget *widget; - VteScreen *screen; - GdkGC *gc; - gint src_x, src_y, width, height, dest_x, dest_y, w, h; - gint refresh_row, refresh_count; gboolean repaint = TRUE; if ((delta == 0) || (count == 0)) { @@ -483,52 +479,14 @@ vte_terminal_scroll_region(VteTerminal *terminal, return; } - /* We only do this if we don't have a background to keep looking right - * and if we're not scrolling the entire region. */ + /* We only do this if we're scrolling the entire window. */ if (!terminal->pvt->bg_transparent && (terminal->pvt->bg_image == NULL) && - (MAX(delta, -delta) < count)) { + (row == 0) && + (count == terminal->row_count)) { widget = GTK_WIDGET(terminal); - gc = widget->style->mid_gc[GTK_WIDGET_STATE(widget)]; - - /* Convenience variables. */ - w = terminal->char_width; - h = terminal->char_height; - screen = terminal->pvt->screen; - - /* Things which are the same regardless of which direction - * we're going to scroll. */ - src_x = dest_x = 0; - width = w * terminal->column_count; - height = h * (count - MAX(delta, -delta)); - - /* The source and destination locations depend on the scrolling - * direction and amount, and we fudge by one because the cursor - * is likely to be on the edge, and we need to redraw it. */ - if (delta > 0) { - src_y = h * (row - screen->scroll_delta); - dest_y = src_y + h * delta; - refresh_row = row; - refresh_count = delta + 1; - } else { - dest_y = h * (row - screen->scroll_delta); - src_y = dest_y + h * (-delta); - refresh_row = row + count - (-delta) - 1; - refresh_count = (-delta) + 1; - } - - /* XCopyArea. */ - gdk_draw_drawable(widget->window, gc, widget->window, - src_x, src_y, - dest_x, dest_y, - width, height); - - /* Expose the newly-exposed portion of the area. */ - vte_invalidate_cells(terminal, - 0, terminal->column_count, - refresh_row, refresh_count); - - /* Don't need to repaint the entire region any more. */ + gdk_window_scroll(widget->window, + 0, delta * terminal->char_height); repaint = FALSE; } @@ -1513,10 +1471,12 @@ vte_sequence_handler_al(VteTerminal *terminal, GValueArray *params) { VteScreen *screen; - GtkWidget *widget; - long start, end; + long start, end, param, i; + GValue *value; + g_return_if_fail(VTE_IS_TERMINAL(terminal)); - widget = GTK_WIDGET(terminal); + + /* Find out which part of the screen we're messing with. */ screen = terminal->pvt->screen; start = screen->cursor_current.row; if (screen->scrolling_restricted) { @@ -1524,10 +1484,24 @@ vte_sequence_handler_al(VteTerminal *terminal, } else { end = screen->insert_delta + terminal->row_count - 1; } - vte_remove_line_int(terminal, end); - vte_insert_line_int(terminal, start); + + /* Extract any parameters. */ + param = 1; + if ((params != NULL) && (params->n_values > 0)) { + value = g_value_array_get_nth(params, 0); + param = g_value_get_long(value); + } + + /* Insert the right number of lines. */ + for (i = 0; i < param; i++) { + /* Clear a line off the end of the region and add one to the + * top of the region. */ + vte_remove_line_int(terminal, end); + vte_insert_line_int(terminal, start); + } + /* Update the display. */ - vte_terminal_scroll_region(terminal, start, end - start + 1, 1); + vte_terminal_scroll_region(terminal, start, end - start + 1, param); } /* Add N lines at the current cursor position. */ @@ -1538,8 +1512,7 @@ vte_sequence_handler_AL(VteTerminal *terminal, GValueArray *params) { g_return_if_fail(VTE_IS_TERMINAL(terminal)); - vte_sequence_handler_multiple(terminal, match, match_quark, params, - vte_sequence_handler_al); + vte_sequence_handler_al(terminal, match, match_quark, params); } /* Start using alternate character set. */ @@ -1973,8 +1946,12 @@ vte_sequence_handler_dl(VteTerminal *terminal, GValueArray *params) { VteScreen *screen; - long start, end; + long start, end, param, i; + GValue *value; + g_return_if_fail(VTE_IS_TERMINAL(terminal)); + + /* Find out which part of the screen we're messing with. */ screen = terminal->pvt->screen; start = screen->cursor_current.row; if (screen->scrolling_restricted) { @@ -1982,10 +1959,24 @@ vte_sequence_handler_dl(VteTerminal *terminal, } else { end = screen->insert_delta + terminal->row_count - 1; } - vte_remove_line_int(terminal, start); - vte_insert_line_int(terminal, end); + + /* Extract any parameters. */ + param = 1; + if ((params != NULL) && (params->n_values > 0)) { + value = g_value_array_get_nth(params, 0); + param = g_value_get_long(value); + } + + /* Delete the right number of lines. */ + for (i = 0; i < param; i++) { + /* Clear a line off the end of the region and add one to the + * top of the region. */ + vte_remove_line_int(terminal, start); + vte_insert_line_int(terminal, end); + } + /* Update the display. */ - vte_terminal_scroll_region(terminal, start, end - start + 1, -1); + vte_terminal_scroll_region(terminal, start, end - start + 1, -param); } /* Delete N lines at the current cursor position. */ @@ -1996,8 +1987,7 @@ vte_sequence_handler_DL(VteTerminal *terminal, GValueArray *params) { g_return_if_fail(VTE_IS_TERMINAL(terminal)); - vte_sequence_handler_multiple(terminal, match, match_quark, params, - vte_sequence_handler_dl); + vte_sequence_handler_dl(terminal, match, match_quark, params); } /* Make sure we have enough rows and columns to hold data at the current @@ -2086,8 +2076,8 @@ vte_sequence_handler_do(VteTerminal *terminal, start = screen->insert_delta + screen->scrolling_region.start; end = screen->insert_delta + screen->scrolling_region.end; } else { - start = screen->scrolling_region.start + screen->insert_delta; - end = screen->insert_delta + terminal->row_count - 1; + start = screen->insert_delta; + end = start + terminal->row_count - 1; } if (screen->cursor_current.row == end) { @@ -3764,7 +3754,7 @@ vte_sequence_handler_insert_lines(VteTerminal *terminal, /* Find the region we're messing with. */ row = screen->cursor_current.row; if (screen->scrolling_restricted) { - end = screen->scrolling_region.end + screen->insert_delta; + end = screen->insert_delta + screen->scrolling_region.end; } else { end = screen->insert_delta + terminal->row_count - 1; } @@ -3803,7 +3793,7 @@ vte_sequence_handler_delete_lines(VteTerminal *terminal, /* Find the region we're messing with. */ row = screen->cursor_current.row; if (screen->scrolling_restricted) { - end = screen->scrolling_region.end + screen->insert_delta; + end = screen->insert_delta + screen->scrolling_region.end; } else { end = screen->insert_delta + terminal->row_count - 1; } @@ -3811,8 +3801,8 @@ vte_sequence_handler_delete_lines(VteTerminal *terminal, for (i = 0; i < param; i++) { /* Insert a line at the end of the region and remove one from * the top of the region. */ - vte_insert_line_int(terminal, end); vte_remove_line_int(terminal, row); + vte_insert_line_int(terminal, end); } /* Update the display. */ vte_terminal_scroll_region(terminal, row, @@ -8585,6 +8575,7 @@ vte_handle_scroll(VteTerminal *terminal) } /* This may generate multiple redraws, so freeze it while we do them. */ gdk_window_freeze_updates(widget->window); + /* Read the new adjustment value and save the difference. */ adj = floor(gtk_adjustment_get_value(terminal->adjustment)); dy = screen->scroll_delta - adj; @@ -8593,6 +8584,7 @@ vte_handle_scroll(VteTerminal *terminal) vte_terminal_scroll_region(terminal, screen->scroll_delta, terminal->row_count, dy); } + /* Let the refreshing begin. */ gdk_window_thaw_updates(widget->window); } |