/* * mooterm/mootermdraw.c * * Copyright (C) 2004-2005 by Yevgen Muntyan * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * See COPYING file that comes with this distribution. */ #define MOOTERM_COMPILATION #include "mooterm/mooterm-private.h" #include "mooterm/mooterm-selection.h" #include "mooterm/mootermbuffer-private.h" #include #define CHARS \ "`1234567890-=~!@#$%^&*()_+qwertyuiop[]\\QWERTYUIOP"\ "{}|asdfghjkl;'ASDFGHJKL:\"zxcvbnm,./ZXCVBNM<>?" #define HOW_MANY(x, y) (((x) + (y) - 1) / (y)) static gboolean process_updates (MooTerm *term) { gdk_window_process_updates (GTK_WIDGET(term)->window, FALSE); term->priv->pending_expose = 0; return FALSE; } static void add_update_timeout (MooTerm *term) { if (!term->priv->pending_expose) { term->priv->pending_expose = g_timeout_add_full (EXPOSE_PRIORITY, EXPOSE_TIMEOUT, (GSourceFunc) process_updates, term, NULL); } } static void remove_update_timeout (MooTerm *term) { if (term->priv->pending_expose) g_source_remove (term->priv->pending_expose); term->priv->pending_expose = 0; } void moo_term_init_font_stuff (MooTerm *term) { PangoContext *ctx; PangoFontDescription *font; if (term->priv->font_info) term_font_info_free (term->priv->font_info); ctx = gtk_widget_create_pango_context (GTK_WIDGET (term)); g_return_if_fail (ctx != NULL); font = pango_font_description_from_string (DEFAULT_MONOSPACE_FONT); if (!font) font = pango_font_description_from_string (DEFAULT_MONOSPACE_FONT2); if (font) { pango_context_set_font_description (ctx, font); pango_font_description_free (font); } term->priv->font_info = term_font_info_new (ctx); term->priv->layout = pango_layout_new (ctx); g_object_unref (ctx); gtk_widget_set_size_request (GTK_WIDGET (term), term->priv->font_info->width * MIN_TERMINAL_WIDTH, term->priv->font_info->height * MIN_TERMINAL_HEIGHT); } void term_font_info_calculate (TermFontInfo *info) { PangoRectangle logical; PangoLayout *layout; PangoLayoutIter *iter; g_assert (info->ctx != NULL); layout = pango_layout_new (info->ctx); pango_layout_set_text (layout, CHARS, strlen(CHARS)); pango_layout_get_extents (layout, NULL, &logical); info->width = HOW_MANY (logical.width, strlen (CHARS)); info->width = PANGO_PIXELS (info->width); iter = pango_layout_get_iter (layout); info->height = PANGO_PIXELS (logical.height); info->ascent = PANGO_PIXELS (pango_layout_iter_get_baseline (iter)); pango_layout_iter_free (iter); g_object_unref (layout); } void term_font_info_set_font (TermFontInfo *info, PangoFontDescription *font_desc) { g_return_if_fail (font_desc != NULL); pango_context_set_font_description (info->ctx, font_desc); term_font_info_calculate (info); } TermFontInfo *term_font_info_new (PangoContext *ctx) { TermFontInfo *info = g_new0 (TermFontInfo, 1); info->ctx = ctx; g_object_ref (ctx); term_font_info_calculate (info); return info; } void term_font_info_free (TermFontInfo *info) { if (info) { g_object_unref (info->ctx); g_free (info); } } void moo_term_invalidate_rect (MooTerm *term, GdkRectangle *rect) { GdkRectangle r = { rect->x * term->priv->font_info->width, rect->y * term->priv->font_info->height, rect->width * term->priv->font_info->width, rect->height * term->priv->font_info->height }; gdk_window_invalidate_rect (GTK_WIDGET(term)->window, &r, FALSE); moo_term_invalidate_content_rect (term, rect); add_update_timeout (term); } void moo_term_setup_palette (MooTerm *term) { int i; GtkWidget *widget = GTK_WIDGET (term); GdkColormap *colormap; GdkGCValues vals; GdkColor colors[MOO_TERM_COLOR_MAX]; g_assert (GTK_WIDGET_REALIZED (widget)); for (i = 0; i < 3; ++i) { term->priv->fg[i][MOO_TERM_COLOR_MAX] = gdk_gc_new_with_values (widget->window, &vals, 0); term->priv->bg[i][MOO_TERM_COLOR_MAX] = gdk_gc_new_with_values (widget->window, &vals, 0); } gdk_gc_set_foreground (term->priv->fg[NORMAL][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_background (term->priv->fg[NORMAL][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_gc_set_foreground (term->priv->fg[SELECTED][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_gc_set_background (term->priv->fg[SELECTED][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_foreground (term->priv->fg[CURSOR][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_gc_set_background (term->priv->fg[CURSOR][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_foreground (term->priv->bg[NORMAL][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_gc_set_background (term->priv->bg[NORMAL][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_foreground (term->priv->bg[SELECTED][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_background (term->priv->bg[SELECTED][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_gc_set_foreground (term->priv->bg[CURSOR][MOO_TERM_COLOR_MAX], &(widget->style->black)); gdk_gc_set_background (term->priv->bg[CURSOR][MOO_TERM_COLOR_MAX], &(widget->style->white)); gdk_window_set_background (widget->window, &(widget->style->white)); colormap = gdk_colormap_get_system (); g_return_if_fail (colormap != NULL); gdk_color_parse ("black", &colors[MOO_TERM_BLACK]); gdk_color_parse ("red", &colors[MOO_TERM_RED]); gdk_color_parse ("green", &colors[MOO_TERM_GREEN]); gdk_color_parse ("yellow", &colors[MOO_TERM_YELLOW]); gdk_color_parse ("blue", &colors[MOO_TERM_BLUE]); gdk_color_parse ("magenta", &colors[MOO_TERM_MAGENTA]); gdk_color_parse ("cyan", &colors[MOO_TERM_CYAN]); gdk_color_parse ("white", &colors[MOO_TERM_WHITE]); for (i = 0; i < MOO_TERM_COLOR_MAX; ++i) gdk_colormap_alloc_color (colormap, &colors[i], TRUE, TRUE); for (i = 0; i < MOO_TERM_COLOR_MAX; ++i) { vals.foreground = colors[i]; vals.background = colors[i]; term->priv->fg[NORMAL][i] = gdk_gc_new_with_values (widget->window, &vals, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND); term->priv->bg[NORMAL][i] = gdk_gc_new_with_values (widget->window, &vals, GDK_GC_FOREGROUND | GDK_GC_BACKGROUND); } } static void invalidate_screen_cell (MooTerm *term, guint row, guint column) { int scrollback, top_line; guint char_width, char_height; GdkRectangle rect = {0, 0, 0, 0}; GdkRectangle small_rect = {0, 0, 1, 1}; scrollback = buf_scrollback (term->priv->buffer); top_line = term_top_line (term); char_width = term->priv->font_info->width; char_height = term->priv->font_info->height; rect.width = char_width; rect.height = char_height; small_rect.x = column; small_rect.y = row + scrollback - top_line; rect.x = small_rect.x * char_width; rect.y = small_rect.y * char_height; moo_term_invalidate_content_rect (term, &small_rect); gdk_window_invalidate_rect (GTK_WIDGET(term)->window, &rect, FALSE); add_update_timeout (term); } void moo_term_cursor_moved (MooTerm *term, MooTermBuffer *buf) { int new_row, new_col; if (buf != term->priv->buffer || !term->priv->cursor_visible) return; new_row = buf_cursor_row (buf); new_col = buf_cursor_col (buf); invalidate_screen_cell (term, term->priv->cursor_row, term->priv->cursor_col); if (new_row != (int) term->priv->cursor_row || new_col != (int) term->priv->cursor_col) { term->priv->cursor_col = new_col; term->priv->cursor_row = new_row; invalidate_screen_cell (term, term->priv->cursor_row, term->priv->cursor_col); } } void moo_term_init_back_pixmap (MooTerm *term) { if (term->priv->back_pixmap) return; term->priv->back_pixmap = gdk_pixmap_new (GTK_WIDGET(term)->window, term->priv->font_info->width * term->priv->width, term->priv->font_info->height * term->priv->height, -1); term->priv->clip = gdk_gc_new (term->priv->back_pixmap); gdk_gc_set_clip_origin (term->priv->clip, 0, 0); moo_term_invalidate_content_all (term); } void moo_term_resize_back_pixmap (MooTerm *term) { if (term->priv->font_changed) { GdkPixmap *pix; term->priv->font_changed = FALSE; pix = gdk_pixmap_new (term->priv->back_pixmap, term->priv->font_info->width * term->priv->width, term->priv->font_info->height * term->priv->height, -1); g_object_unref (term->priv->back_pixmap); term->priv->back_pixmap = pix; moo_term_invalidate_content_all (term); } else { GdkPixmap *pix; GdkRegion *region; guint char_width = term->priv->font_info->width; guint char_height = term->priv->font_info->height; int old_width, old_height; int width = char_width * term->priv->width; int height = char_height * term->priv->height; GdkRectangle rec = {0, 0, width, height}; pix = gdk_pixmap_new (term->priv->back_pixmap, width, height, -1); gdk_drawable_get_size (term->priv->back_pixmap, &old_width, &old_height); gdk_gc_set_clip_rectangle (term->priv->clip, &rec); gdk_draw_drawable (pix, term->priv->clip, term->priv->back_pixmap, 0, 0, 0, 0, MIN (width, old_width), MIN (height, old_height)); if (width > old_width) { rec.x = old_width / char_width; rec.width = (width - old_width) / char_width; rec.y = 0; rec.height = height / char_height; moo_term_invalidate_content_rect (term, &rec); } if (height > old_height) { rec.x = 0; rec.width = width / char_width; rec.y = old_height / char_height; rec.height = (height - old_height) / char_height; moo_term_invalidate_content_rect (term, &rec); } rec.x = rec.y = 0; rec.width = width / char_width; rec.height = height / char_height; if (term->priv->changed_content) { region = gdk_region_rectangle (&rec); gdk_region_intersect (term->priv->changed_content, region); gdk_region_destroy (region); } g_object_unref (term->priv->back_pixmap); term->priv->back_pixmap = pix; } } /* absolute row */ static void term_draw_range (MooTerm *term, guint row, guint start, guint len); void moo_term_update_back_pixmap (MooTerm *term) { GdkRectangle *rects = NULL; int n_rects; int i, j; int top_line = term_top_line (term); int width = term->priv->width; int height = term->priv->height; GdkRectangle clip = {0, 0, width, height}; if (!term->priv->changed_content) return; gdk_region_get_rectangles (term->priv->changed_content, &rects, &n_rects); for (i = 0; i < n_rects; ++i) { if (gdk_rectangle_intersect (&rects[i], &clip, &rects[i])) { for (j = 0; j < rects[i].height; ++j) term_draw_range (term, top_line + rects[i].y + j, rects[i].x, rects[i].width); } } g_free (rects); gdk_region_destroy (term->priv->changed_content); term->priv->changed_content = NULL; } void moo_term_invalidate_content_all (MooTerm *term) { GdkRectangle rect = {0, 0, term->priv->width, term->priv->height}; moo_term_invalidate_content_rect (term, &rect); } void moo_term_invalidate_content_rect(MooTerm *term, GdkRectangle *rect) { if (term->priv->changed_content) gdk_region_union_with_rect (term->priv->changed_content, rect); else term->priv->changed_content = gdk_region_rectangle (rect); } gboolean moo_term_expose_event (GtkWidget *widget, GdkEventExpose *event) { GdkRectangle text_rec = {0, 0, 0, 0}; GdkRegion *text_reg; MooTerm *term = MOO_TERM (widget); guint char_width = term->priv->font_info->width; guint char_height = term->priv->font_info->height; g_assert (term_top_line (term) <= buf_scrollback (term->priv->buffer)); remove_update_timeout (term); text_rec.width = term->priv->width * char_width; text_rec.height = term->priv->height * char_height; if (event->area.x + event->area.width >= text_rec.width) { gdk_draw_rectangle (widget->window, term->priv->bg[NORMAL][MOO_TERM_COLOR_MAX], TRUE, text_rec.width, 0, char_width, widget->allocation.height); } if (event->area.y + event->area.height >= text_rec.height) { gdk_draw_rectangle (widget->window, term->priv->bg[NORMAL][MOO_TERM_COLOR_MAX], TRUE, 0, text_rec.height, widget->allocation.width, char_height); } text_reg = gdk_region_rectangle (&text_rec); gdk_region_intersect (event->region, text_reg); gdk_region_destroy (text_reg); if (!gdk_region_empty (event->region)) { moo_term_update_back_pixmap (term); gdk_gc_set_clip_region (term->priv->clip, event->region); gdk_draw_drawable (event->window, term->priv->clip, term->priv->back_pixmap, 0, 0, 0, 0, text_rec.width, text_rec.height); } return TRUE; } /****************************************************************************/ /* Drawing */ static void term_draw_range_simple (MooTerm *term, guint abs_row, guint start, guint len, int selected); static void term_draw_cells (MooTerm *term, guint abs_row, guint start, guint len, MooTermTextAttr *attr, int selected); static void term_draw_cursor (MooTerm *term); static void term_draw_range (MooTerm *term, guint abs_row, guint start, guint len) { int selected; guint first = start; guint last = start + len; g_return_if_fail (len != 0); g_assert (start + len <= term->priv->width); g_assert (abs_row < buf_total_height (term->priv->buffer)); if (term->priv->cursor_visible && term->priv->cursor_row + buf_scrollback (term->priv->buffer) == abs_row) { guint cursor = buf_cursor_col (term->priv->buffer); if (cursor >= start && cursor < start + len) { if (cursor > start) term_draw_range (term, abs_row, start, cursor - start); term_draw_cursor (term); if (cursor < start + len - 1) term_draw_range (term, abs_row, cursor + 1, start + len - 1 - cursor); return; } } selected = moo_term_row_selected (term, abs_row); switch (selected) { case FULL_SELECTED: case NOT_SELECTED: term_draw_range_simple (term, abs_row, first, last, selected); break; case PART_SELECTED: { guint l_row, l_col, r_row, r_col; moo_term_get_selection_bounds (term, &l_row, &l_col, &r_row, &r_col); if (l_row == r_row) { g_assert (abs_row == l_row); if (r_col <= first || last <= l_col) { term_draw_range_simple (term, abs_row, first, last, FALSE); } else if (l_col <= first && last <= r_col) { term_draw_range_simple (term, abs_row, first, last, TRUE); } else if (first < l_col) { term_draw_range_simple (term, abs_row, first, l_col, FALSE); term_draw_range_simple (term, abs_row, l_col, MIN (last, r_col), TRUE); if (r_col < last) term_draw_range_simple (term, abs_row, r_col, last, FALSE); } else { term_draw_range_simple (term, abs_row, first, MIN (last, r_col), TRUE); if (r_col < last) term_draw_range_simple (term, abs_row, r_col, last, FALSE); } } else if (l_row == abs_row) { if (last <= l_col) { term_draw_range_simple (term, abs_row, first, last, FALSE); } else if (l_col <= first) { term_draw_range_simple (term, abs_row, first, last, TRUE); } else { term_draw_range_simple (term, abs_row, first, l_col, FALSE); term_draw_range_simple (term, abs_row, l_col, last, TRUE); } } else { g_assert (abs_row == r_row); if (last <= r_col) { term_draw_range_simple (term, abs_row, first, last, TRUE); } else if (r_col <= first) { term_draw_range_simple (term, abs_row, first, last, FALSE); } else { term_draw_range_simple (term, abs_row, first, r_col, TRUE); term_draw_range_simple (term, abs_row, r_col, last, FALSE); } } break; } default: g_assert_not_reached (); } } static void term_draw_range_simple (MooTerm *term, guint abs_row, guint start, guint len, gboolean selected) { MooTermLine *line = buf_line (term->priv->buffer, abs_row); guint char_width = term->priv->font_info->width; guint char_height = term->priv->font_info->height; int y = (abs_row - term_top_line (term)) * char_height; GdkGC *color; g_assert (selected == 0 || selected == 1); if (!term->priv->colors_inverted) { color = term->priv->bg[selected][MOO_TERM_COLOR_MAX]; } else { color = term->priv->fg[selected][MOO_TERM_COLOR_MAX]; } if (start >= line->len) { gdk_draw_rectangle (term->priv->back_pixmap, color, TRUE, start * char_width, y, len * char_width, char_height); return; } else if (start + len > line->len) { gdk_draw_rectangle (term->priv->back_pixmap, color, TRUE, line->len * char_width, y, (start + len - line->len) * char_width, char_height); len = line->len - start; } g_assert (start + len <= line->len); while (len) { guint i; MooTermTextAttr *attr = &line->data[start].attr; for (i = 1; i < len && !attr_cmp (attr, &line->data[start + i].attr); ++i) ; term_draw_cells (term, abs_row, start, i, attr, selected); len -= i; start += i; } } static void term_draw_cells (MooTerm *term, guint abs_row, guint start, guint len, MooTermTextAttr *attr, gboolean selected) { static char buf[8 * MAX_TERMINAL_WIDTH]; guint buf_len; GdkGC *fg = NULL; GdkGC *bg = NULL; MooTermLine *line = buf_line (term->priv->buffer, abs_row); g_assert (len != 0); g_assert (start + len <= line->len); buf_len = term_line_get_chars (line, buf, start, len); g_return_if_fail (buf_len != 0); pango_layout_set_text (term->priv->layout, buf, buf_len); if (attr->mask & MOO_TERM_TEXT_FOREGROUND) { g_assert (attr->foreground < MOO_TERM_COLOR_MAX); fg = term->priv->fg[selected][attr->foreground]; } if (attr->mask & MOO_TERM_TEXT_BACKGROUND) { g_assert (attr->background < MOO_TERM_COLOR_MAX); bg = term->priv->bg[selected][attr->background]; } if (!fg) fg = term->priv->fg[selected][MOO_TERM_COLOR_MAX]; if (!bg) bg = term->priv->bg[selected][MOO_TERM_COLOR_MAX]; if (((attr->mask & MOO_TERM_TEXT_REVERSE) && !term->priv->colors_inverted) || (!(attr->mask & MOO_TERM_TEXT_REVERSE) && term->priv->colors_inverted)) { GdkGC *tmp = fg; fg = bg; bg = tmp; } gdk_draw_rectangle (term->priv->back_pixmap, bg, TRUE, start * term->priv->font_info->width, (abs_row - term_top_line (term)) * term->priv->font_info->height, len * term->priv->font_info->width, term->priv->font_info->height); gdk_draw_layout (term->priv->back_pixmap, fg, start * term->priv->font_info->width, (abs_row - term_top_line (term)) * term->priv->font_info->height, term->priv->layout); if (attr->mask & MOO_TERM_TEXT_BOLD && term->priv->settings.allow_bold) gdk_draw_layout (term->priv->back_pixmap, fg, start * term->priv->font_info->width + 1, (abs_row - term_top_line (term)) * term->priv->font_info->height, term->priv->layout); if (attr->mask & MOO_TERM_TEXT_UNDERLINE) gdk_draw_line (term->priv->back_pixmap, fg, start * term->priv->font_info->width, (abs_row - term_top_line (term)) * term->priv->font_info->height + term->priv->font_info->ascent + 1, (start + len) * term->priv->font_info->width + 1, (abs_row - term_top_line (term)) * term->priv->font_info->height + term->priv->font_info->ascent + 1); } static void term_draw_cursor (MooTerm *term) { guint screen_width = term->priv->width; guint abs_row = buf_cursor_row_abs (term->priv->buffer); guint col = buf_cursor_col (term->priv->buffer); MooTermLine *line = buf_line (term->priv->buffer, abs_row); char ch[6]; guint ch_len; int screen_row = abs_row - term_top_line (term); guint char_width = term->priv->font_info->width; guint char_height = term->priv->font_info->height; gboolean invert = FALSE; GdkGC *fg, *bg; MooTermTextAttr *attr; g_assert (col < screen_width); if (col < term_line_len (line)) { ch_len = g_unichar_to_utf8 (line->data[col].ch, ch); attr = &line->data[col].attr; } else { ch[0] = EMPTY_CHAR; ch_len = 1; attr = &ZERO_ATTR; } pango_layout_set_text (term->priv->layout, ch, ch_len); if (((attr->mask & MOO_TERM_TEXT_REVERSE) && !term->priv->colors_inverted) || (!(attr->mask & MOO_TERM_TEXT_REVERSE) && term->priv->colors_inverted)) { invert = TRUE; } switch (term->priv->cursor_shape) { case CURSOR_BLOCK: if (invert) { fg = term->priv->bg[CURSOR][MOO_TERM_COLOR_MAX]; bg = term->priv->fg[CURSOR][MOO_TERM_COLOR_MAX]; } else { fg = term->priv->fg[CURSOR][MOO_TERM_COLOR_MAX]; bg = term->priv->bg[CURSOR][MOO_TERM_COLOR_MAX]; } if (!moo_term_cell_selected (term, abs_row, col)) { gdk_draw_rectangle (term->priv->back_pixmap, bg, TRUE, col * char_width, screen_row * char_height, char_width, char_height); gdk_draw_layout (term->priv->back_pixmap, fg, col * char_width, screen_row * char_height, term->priv->layout); } else { gdk_draw_rectangle (term->priv->back_pixmap, bg, FALSE, col * char_width, screen_row * char_height, char_width, char_height); gdk_draw_rectangle (term->priv->back_pixmap, fg, TRUE, col * char_width, screen_row * char_height, char_width, char_height); gdk_draw_layout (term->priv->back_pixmap, bg, col * char_width, screen_row * char_height, term->priv->layout); } break; case CURSOR_UNDERLINE: if (!moo_term_cell_selected (term, abs_row, col)) { gdk_draw_rectangle (term->priv->back_pixmap, term->priv->bg[NORMAL][MOO_TERM_COLOR_MAX], TRUE, col * char_width, screen_row * char_height, char_width, char_height); gdk_draw_layout (term->priv->back_pixmap, term->priv->fg[NORMAL][MOO_TERM_COLOR_MAX], col * char_width, screen_row * char_height, term->priv->layout); gdk_draw_rectangle (term->priv->back_pixmap, term->priv->bg[CURSOR][MOO_TERM_COLOR_MAX], TRUE, col * char_width, (screen_row + 1) * char_height - term->priv->cursor_height, char_width, term->priv->cursor_height); } else { gdk_draw_rectangle (term->priv->back_pixmap, term->priv->bg[SELECTED][MOO_TERM_COLOR_MAX], TRUE, col * char_width, screen_row * char_height, char_width, char_height); gdk_draw_layout (term->priv->back_pixmap, term->priv->fg[SELECTED][MOO_TERM_COLOR_MAX], col * char_width, screen_row * char_height, term->priv->layout); gdk_draw_rectangle (term->priv->back_pixmap, term->priv->fg[CURSOR][MOO_TERM_COLOR_MAX], TRUE, col * char_width, (screen_row + 1) * char_height - term->priv->cursor_height, char_width, term->priv->cursor_height); } break; } } void moo_term_buf_content_changed(MooTerm *term, MooTermBuffer *buf) { GdkRectangle *rect = NULL; GdkRegion *dirty, *changed; int n_rect, i; guint top_line, scrollback; int height; changed = buf_get_changed (buf); if (buf != term->priv->buffer || !changed || gdk_region_empty (changed)) return; /* TODO TODO TODO*/ buf->priv->changed = NULL; buf->priv->changed_all = FALSE; top_line = term_top_line (term); scrollback = buf_scrollback (buf); height = term->priv->height; g_assert (top_line <= scrollback); if (top_line != scrollback) { GdkRectangle clip = {0, 0, term->priv->width, height}; GdkRegion *tmp; gdk_region_offset (changed, 0, scrollback - top_line); tmp = gdk_region_rectangle (&clip); gdk_region_intersect (changed, tmp); gdk_region_destroy (tmp); } if (gdk_region_empty (changed)) { gdk_region_destroy (changed); return; } gdk_region_get_rectangles (changed, &rect, &n_rect); g_return_if_fail (rect != NULL); dirty = gdk_region_new (); for (i = 0; i < n_rect; ++i) { moo_term_invalidate_content_rect (term, &rect[i]); rect[i].x *= term->priv->font_info->width; rect[i].y *= term->priv->font_info->height; rect[i].width *= term->priv->font_info->width; rect[i].height *= term->priv->font_info->height; gdk_region_union_with_rect (dirty, &rect[i]); } gdk_window_invalidate_region (GTK_WIDGET(term)->window, dirty, FALSE); add_update_timeout (term); g_free (rect); gdk_region_destroy (changed); gdk_region_destroy (dirty); } void moo_term_force_update (MooTerm *term) { GdkRegion *region; GdkWindow *window = GTK_WIDGET (term)->window; region = gdk_window_get_update_area (window); if (region) { GdkEvent *event = gdk_event_new (GDK_EXPOSE); event->expose.window = g_object_ref (window); event->expose.send_event = TRUE; gdk_region_get_clipbox (region, &event->expose.area); event->expose.region = region; gtk_main_do_event (event); gdk_event_free (event); } } void moo_term_invert_colors (MooTerm *term, gboolean invert) { if (invert != term->priv->colors_inverted) { moo_term_invalidate_all (term); term->priv->colors_inverted = invert; } } void moo_term_set_cursor_visible (MooTerm *term, gboolean visible) { if (term->priv->cursor_visible != visible) { term->priv->cursor_visible = visible; if (visible) { term->priv->cursor_row = buf_cursor_row (term->priv->buffer); term->priv->cursor_col = buf_cursor_col (term->priv->buffer); } invalidate_screen_cell (term, term->priv->cursor_row, term->priv->cursor_col); } }