1078 lines
31 KiB
C
1078 lines
31 KiB
C
/*
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* mooterm/mootermdraw.c
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*
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* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See COPYING file that comes with this distribution.
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*/
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#define MOOTERM_COMPILATION
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#include "mooterm/mooterm-private.h"
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#include "mooterm/mooterm-selection.h"
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#include "mooterm/mootermbuffer-private.h"
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#include "mooterm/mootermline-private.h"
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#include <string.h>
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#define CHAR_WIDTH(term__) ((term__)->priv->font->width)
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#define CHAR_HEIGHT(term__) ((term__)->priv->font->height)
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#define CHAR_ASCENT(term__) ((term__)->priv->font->ascent)
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#define PIXEL_WIDTH(term__) (CHAR_WIDTH (term__) * (term__)->priv->width)
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#define PIXEL_HEIGHT(term__) (CHAR_HEIGHT (term__) * (term__)->priv->height)
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#define CHARS \
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"`1234567890-=~!@#$%^&*()_+qwertyuiop[]\\QWERTYUIOP"\
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"{}|asdfghjkl;'ASDFGHJKL:\"zxcvbnm,./ZXCVBNM<>?"
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#define HOW_MANY(x__,y__) (((x__) + (y__) - 1) / (y__))
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static void moo_term_invalidate_content_all (MooTerm *term);
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static void moo_term_invalidate_content_rect(MooTerm *term,
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GdkRectangle *rect);
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static void
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font_calculate (MooTermFont *font)
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{
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PangoRectangle logical;
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PangoLayout *layout;
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PangoLayoutIter *iter;
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g_assert (font->ctx != NULL);
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layout = pango_layout_new (font->ctx);
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pango_layout_set_text (layout, CHARS, strlen(CHARS));
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pango_layout_get_extents (layout, NULL, &logical);
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font->width = HOW_MANY (logical.width, strlen (CHARS));
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font->width = PANGO_PIXELS (font->width);
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iter = pango_layout_get_iter (layout);
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font->height = PANGO_PIXELS (logical.height);
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font->ascent = PANGO_PIXELS (pango_layout_iter_get_baseline (iter));
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pango_layout_iter_free (iter);
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g_object_unref (layout);
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}
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static MooTermFont*
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moo_term_font_new (PangoContext *ctx)
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{
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MooTermFont *font = g_new0 (MooTermFont, 1);
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font->ctx = ctx;
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g_object_ref (ctx);
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font_calculate (font);
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return font;
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}
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void
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moo_term_set_font_from_string (MooTerm *term,
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const char *font)
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{
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PangoFontDescription *font_desc;
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if (font)
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{
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font_desc = pango_font_description_from_string (font);
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}
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else
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{
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GtkWidget *widget = GTK_WIDGET (term);
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gtk_widget_ensure_style (widget);
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font_desc =
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pango_font_description_copy_static (widget->style->font_desc);
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}
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g_return_if_fail (font_desc != NULL);
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if (!pango_font_description_get_size (font_desc))
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{
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pango_font_description_free (font_desc);
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g_return_if_reached ();
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}
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g_free (term->priv->font->name);
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term->priv->font->name = g_strdup (font);
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pango_context_set_font_description (term->priv->font->ctx, font_desc);
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font_calculate (term->priv->font);
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if (GTK_WIDGET_REALIZED (term))
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_moo_term_size_changed (term);
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pango_font_description_free (font_desc);
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}
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void
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_moo_term_init_font_stuff (MooTerm *term)
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{
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PangoContext *ctx;
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if (term->priv->font)
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_moo_term_font_free (term->priv->font);
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gtk_widget_ensure_style (GTK_WIDGET (term));
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ctx = gtk_widget_create_pango_context (GTK_WIDGET (term));
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g_return_if_fail (ctx != NULL);
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term->priv->font = moo_term_font_new (ctx);
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term->priv->layout = pango_layout_new (ctx);
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g_object_unref (ctx);
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gtk_widget_set_size_request (GTK_WIDGET (term),
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term->priv->font->width * MIN_TERMINAL_WIDTH,
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term->priv->font->height * MIN_TERMINAL_HEIGHT);
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}
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void
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_moo_term_font_free (MooTermFont *font)
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{
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if (font)
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{
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g_object_unref (font->ctx);
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g_free (font->name);
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g_free (font);
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}
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}
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static gboolean
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process_updates (MooTerm *term)
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{
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gdk_window_process_updates (GTK_WIDGET(term)->window, FALSE);
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term->priv->pending_expose = 0;
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return FALSE;
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}
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static void
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add_update_timeout (MooTerm *term)
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{
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if (!term->priv->pending_expose)
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{
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term->priv->pending_expose =
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g_timeout_add_full (EXPOSE_PRIORITY,
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EXPOSE_TIMEOUT,
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(GSourceFunc) process_updates,
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term,
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NULL);
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}
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}
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static void
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remove_update_timeout (MooTerm *term)
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{
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if (term->priv->pending_expose)
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g_source_remove (term->priv->pending_expose);
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term->priv->pending_expose = 0;
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}
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void
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_moo_term_invalidate_all (MooTerm *term)
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{
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GdkRectangle rec = {0, 0, term->priv->width, term->priv->height};
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_moo_term_invalidate_rect (term, &rec);
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}
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void
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_moo_term_invalidate_rect (MooTerm *term,
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GdkRectangle *rect)
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{
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if (GTK_WIDGET_REALIZED (term))
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{
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GdkRectangle r = {
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rect->x * CHAR_WIDTH(term),
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rect->y * CHAR_HEIGHT(term),
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rect->width * CHAR_WIDTH(term),
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rect->height * CHAR_HEIGHT(term)
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};
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gdk_window_invalidate_rect (GTK_WIDGET(term)->window,
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&r, FALSE);
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moo_term_invalidate_content_rect (term, rect);
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add_update_timeout (term);
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}
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}
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void
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_moo_term_init_palette (MooTerm *term)
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{
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int i;
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GtkWidget *widget = GTK_WIDGET (term);
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gtk_widget_ensure_style (widget);
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term->priv->fg_color[0] = widget->style->text[GTK_STATE_NORMAL];
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term->priv->fg_color[1] = widget->style->text[GTK_STATE_NORMAL];
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term->priv->bg_color = widget->style->base[GTK_STATE_NORMAL];
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for (i = 0; i < 2; ++i)
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{
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gdk_color_parse ("black", &term->priv->palette[8*i + MOO_TERM_BLACK]);
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gdk_color_parse ("red", &term->priv->palette[8*i + MOO_TERM_RED]);
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gdk_color_parse ("green", &term->priv->palette[8*i + MOO_TERM_GREEN]);
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gdk_color_parse ("yellow", &term->priv->palette[8*i + MOO_TERM_YELLOW]);
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gdk_color_parse ("blue", &term->priv->palette[8*i + MOO_TERM_BLUE]);
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gdk_color_parse ("magenta", &term->priv->palette[8*i + MOO_TERM_MAGENTA]);
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gdk_color_parse ("cyan", &term->priv->palette[8*i + MOO_TERM_CYAN]);
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gdk_color_parse ("white", &term->priv->palette[8*i + MOO_TERM_WHITE]);
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}
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}
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void
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_moo_term_setup_palette (MooTerm *term)
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{
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int i, j;
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GtkWidget *widget = GTK_WIDGET (term);
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GdkColormap *colormap;
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GdkGCValues vals;
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g_return_if_fail (GTK_WIDGET_REALIZED (widget));
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colormap = gdk_colormap_get_system ();
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g_return_if_fail (colormap != NULL);
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gdk_colormap_alloc_color (colormap, &term->priv->fg_color[0],
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TRUE, TRUE);
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gdk_colormap_alloc_color (colormap, &term->priv->fg_color[1],
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TRUE, TRUE);
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gdk_colormap_alloc_color (colormap, &term->priv->bg_color,
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TRUE, TRUE);
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term->priv->fg[0] =
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gdk_gc_new_with_values (widget->window, &vals, 0);
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term->priv->fg[1] =
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gdk_gc_new_with_values (widget->window, &vals, 0);
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term->priv->bg =
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gdk_gc_new_with_values (widget->window, &vals, 0);
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gdk_gc_set_foreground (term->priv->fg[0], &term->priv->fg_color[0]);
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gdk_gc_set_foreground (term->priv->fg[1], &term->priv->fg_color[1]);
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gdk_gc_set_foreground (term->priv->bg, &term->priv->bg_color);
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gdk_window_set_background (widget->window, &term->priv->bg_color);
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for (i = 0; i < MOO_TERM_COLOR_MAX; ++i)
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for (j = 0; j < 2; ++j)
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gdk_colormap_alloc_color (colormap,
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&term->priv->palette[8*j + i],
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TRUE, TRUE);
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for (i = 0; i < MOO_TERM_COLOR_MAX; ++i)
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for (j = 0; j < 2; ++j)
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{
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vals.foreground = term->priv->palette[8*j + i];
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term->priv->color[8*j + i] =
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gdk_gc_new_with_values (widget->window,
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&vals,
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GDK_GC_FOREGROUND);
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}
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}
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static void
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invalidate_screen_cell (MooTerm *term,
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guint row,
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guint column)
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{
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int scrollback, top_line;
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GdkRectangle small_rect = {0, 0, 1, 1};
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scrollback = buf_scrollback (term->priv->buffer);
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top_line = term_top_line (term);
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small_rect.x = column;
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small_rect.y = row + scrollback - top_line;
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_moo_term_invalidate_rect (term, &small_rect);
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}
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void
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_moo_term_cursor_moved (MooTerm *term,
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MooTermBuffer *buf)
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{
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int new_row, new_col;
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if (buf != term->priv->buffer)
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return;
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new_row = buf_cursor_row (buf);
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new_col = buf_cursor_col (buf);
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if (term->priv->cursor_visible && term->priv->blink_cursor_visible)
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{
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invalidate_screen_cell (term,
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term->priv->cursor_row,
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term->priv->cursor_col);
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invalidate_screen_cell (term, new_row, new_col);
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}
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term->priv->cursor_col = new_col;
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term->priv->cursor_row = new_row;
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}
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void
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_moo_term_init_back_pixmap (MooTerm *term)
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{
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if (term->priv->back_pixmap)
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return;
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term->priv->back_pixmap =
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gdk_pixmap_new (GTK_WIDGET(term)->window,
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PIXEL_WIDTH(term), PIXEL_HEIGHT(term), -1);
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term->priv->clip = gdk_gc_new (term->priv->back_pixmap);
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gdk_gc_set_clip_origin (term->priv->clip, 0, 0);
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moo_term_invalidate_content_all (term);
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}
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void
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_moo_term_resize_back_pixmap (MooTerm *term)
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{
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if (term->priv->font_changed)
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{
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GdkPixmap *pix;
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term->priv->font_changed = FALSE;
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pix = gdk_pixmap_new (term->priv->back_pixmap,
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PIXEL_WIDTH(term), PIXEL_HEIGHT(term), -1);
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g_object_unref (term->priv->back_pixmap);
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term->priv->back_pixmap = pix;
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moo_term_invalidate_content_all (term);
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}
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else
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{
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GdkPixmap *pix;
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GdkRegion *region;
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int old_width, old_height;
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int width = PIXEL_WIDTH(term);
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int height = PIXEL_HEIGHT(term);
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GdkRectangle rec = {0, 0, width, height};
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pix = gdk_pixmap_new (term->priv->back_pixmap,
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width, height, -1);
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gdk_drawable_get_size (term->priv->back_pixmap,
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&old_width, &old_height);
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gdk_gc_set_clip_rectangle (term->priv->clip, &rec);
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gdk_draw_drawable (pix, term->priv->clip,
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term->priv->back_pixmap,
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0, 0, 0, 0,
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MIN (width, old_width),
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MIN (height, old_height));
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if (width > old_width)
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{
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rec.x = old_width / CHAR_WIDTH(term);
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rec.width = (width - old_width) / CHAR_WIDTH(term);
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rec.y = 0;
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rec.height = height / CHAR_HEIGHT(term);
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moo_term_invalidate_content_rect (term, &rec);
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}
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if (height > old_height)
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{
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rec.x = 0;
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rec.width = width / CHAR_WIDTH(term);
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rec.y = old_height / CHAR_HEIGHT(term);
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rec.height = (height - old_height) / CHAR_HEIGHT(term);
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moo_term_invalidate_content_rect (term, &rec);
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}
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rec.x = rec.y = 0;
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rec.width = width / CHAR_WIDTH(term);
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rec.height = height / CHAR_HEIGHT(term);
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if (term->priv->changed_content)
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{
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region = gdk_region_rectangle (&rec);
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gdk_region_intersect (term->priv->changed_content, region);
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gdk_region_destroy (region);
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}
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g_object_unref (term->priv->back_pixmap);
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term->priv->back_pixmap = pix;
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}
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}
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/* absolute row */
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static void term_draw_range (MooTerm *term,
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guint row,
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guint start,
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guint len);
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void
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_moo_term_update_back_pixmap (MooTerm *term)
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{
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GdkRectangle *rects = NULL;
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int n_rects;
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int i, j;
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int top_line = term_top_line (term);
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int width = term->priv->width;
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int height = term->priv->height;
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GdkRectangle clip = {0, 0, width, height};
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if (!term->priv->changed_content)
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return;
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gdk_region_get_rectangles (term->priv->changed_content,
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&rects, &n_rects);
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for (i = 0; i < n_rects; ++i)
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{
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if (gdk_rectangle_intersect (&rects[i], &clip, &rects[i]))
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{
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for (j = 0; j < rects[i].height; ++j)
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term_draw_range (term, top_line + rects[i].y + j,
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rects[i].x, rects[i].width);
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}
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}
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g_free (rects);
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gdk_region_destroy (term->priv->changed_content);
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term->priv->changed_content = NULL;
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}
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static void
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moo_term_invalidate_content_all (MooTerm *term)
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{
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GdkRectangle rect = {0, 0, term->priv->width, term->priv->height};
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moo_term_invalidate_content_rect (term, &rect);
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}
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static void
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moo_term_invalidate_content_rect (MooTerm *term,
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GdkRectangle *rect)
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{
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if (term->priv->changed_content)
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gdk_region_union_with_rect (term->priv->changed_content, rect);
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else
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term->priv->changed_content = gdk_region_rectangle (rect);
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}
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gboolean
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_moo_term_expose_event (GtkWidget *widget,
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GdkEventExpose *event)
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{
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GdkRectangle text_rec = {0, 0, 0, 0};
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GdkRegion *text_reg;
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MooTerm *term = MOO_TERM (widget);
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g_assert (term_top_line (term) <= buf_scrollback (term->priv->buffer));
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remove_update_timeout (term);
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text_rec.width = PIXEL_WIDTH(term);
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text_rec.height = PIXEL_HEIGHT(term);
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if (event->area.x + event->area.width >= text_rec.width)
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{
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gdk_draw_rectangle (widget->window,
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term->priv->bg, TRUE,
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text_rec.width, 0,
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CHAR_WIDTH(term),
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widget->allocation.height);
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}
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if (event->area.y + event->area.height >= text_rec.height)
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{
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gdk_draw_rectangle (widget->window,
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term->priv->bg, TRUE,
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0, text_rec.height,
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widget->allocation.width,
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CHAR_HEIGHT(term));
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}
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text_reg = gdk_region_rectangle (&text_rec);
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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->blink_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, len, selected);
|
|
break;
|
|
|
|
case PART_SELECTED:
|
|
{
|
|
guint l_row, l_col, r_row, r_col;
|
|
|
|
_moo_term_get_selected_cells (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, len, FALSE);
|
|
}
|
|
else if (l_col <= first && last <= r_col)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, len, TRUE);
|
|
}
|
|
else if (first < l_col)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, l_col - first, FALSE);
|
|
term_draw_range_simple (term, abs_row, l_col,
|
|
MIN (last, r_col) - l_col, TRUE);
|
|
|
|
if (r_col < last)
|
|
term_draw_range_simple (term, abs_row,
|
|
r_col, last - r_col, FALSE);
|
|
}
|
|
else
|
|
{
|
|
term_draw_range_simple (term, abs_row, first,
|
|
MIN (last, r_col) - first, TRUE);
|
|
|
|
if (r_col < last)
|
|
term_draw_range_simple (term, abs_row,
|
|
r_col, last - r_col, FALSE);
|
|
}
|
|
}
|
|
else if (l_row == abs_row)
|
|
{
|
|
if (last <= l_col)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, len, FALSE);
|
|
}
|
|
else if (l_col <= first)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, len, TRUE);
|
|
}
|
|
else
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, l_col - first, FALSE);
|
|
term_draw_range_simple (term, abs_row,
|
|
l_col, last - l_col, TRUE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
g_assert (abs_row == r_row);
|
|
|
|
if (last <= r_col)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, len, TRUE);
|
|
}
|
|
else if (r_col <= first)
|
|
{
|
|
term_draw_range_simple (term, abs_row,
|
|
first, len, FALSE);
|
|
}
|
|
else {
|
|
term_draw_range_simple (term, abs_row,
|
|
first, r_col - first, TRUE);
|
|
term_draw_range_simple (term, abs_row,
|
|
r_col, last - r_col, 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);
|
|
int y = (abs_row - term_top_line (term)) * CHAR_HEIGHT(term);
|
|
GdkGC *bg;
|
|
guint invert;
|
|
|
|
g_assert (selected == 0 || selected == 1);
|
|
|
|
invert = (selected ? 1 : 0) + (term->priv->colors_inverted ? 1 : 0);
|
|
invert %= 2;
|
|
|
|
if (!invert)
|
|
bg = term->priv->bg;
|
|
else
|
|
bg = term->priv->fg[COLOR_NORMAL];
|
|
|
|
if (start >= _moo_term_line_len (line))
|
|
{
|
|
gdk_draw_rectangle (term->priv->back_pixmap,
|
|
bg,
|
|
TRUE,
|
|
start * CHAR_WIDTH(term),
|
|
y,
|
|
len * CHAR_WIDTH(term),
|
|
CHAR_HEIGHT(term));
|
|
|
|
return;
|
|
}
|
|
else if (start + len > _moo_term_line_len (line))
|
|
{
|
|
gdk_draw_rectangle (term->priv->back_pixmap,
|
|
bg,
|
|
TRUE,
|
|
_moo_term_line_len (line) * CHAR_WIDTH(term),
|
|
y,
|
|
(start + len - _moo_term_line_len (line)) * CHAR_WIDTH(term),
|
|
CHAR_HEIGHT(term));
|
|
|
|
len = _moo_term_line_len (line) - start;
|
|
}
|
|
|
|
g_assert (start + len <= _moo_term_line_len (line));
|
|
|
|
while (len)
|
|
{
|
|
guint i;
|
|
MooTermTextAttr attr = _moo_term_line_get_attr (line, start);
|
|
|
|
for (i = 1; i < len &&
|
|
MOO_TERM_TEXT_ATTR_EQUAL (attr, _moo_term_line_get_attr (line, start + i));
|
|
++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;
|
|
guint bold;
|
|
guint invert;
|
|
|
|
MooTermLine *line = buf_line (term->priv->buffer, abs_row);
|
|
|
|
g_assert (len != 0);
|
|
g_assert (start + len <= _moo_term_line_len (line));
|
|
|
|
buf_len = _moo_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);
|
|
|
|
bold = (attr.mask & MOO_TERM_TEXT_BOLD) ? COLOR_BOLD : COLOR_NORMAL;
|
|
|
|
if (attr.mask & MOO_TERM_TEXT_FOREGROUND)
|
|
{
|
|
g_return_if_fail (attr.foreground < MOO_TERM_COLOR_MAX);
|
|
fg = term->priv->color[8*bold + attr.foreground];
|
|
}
|
|
else
|
|
{
|
|
fg = term->priv->fg[bold];
|
|
}
|
|
|
|
if (attr.mask & MOO_TERM_TEXT_BACKGROUND)
|
|
{
|
|
g_return_if_fail (attr.foreground < MOO_TERM_COLOR_MAX);
|
|
bg = term->priv->color[8*bold + attr.background];
|
|
}
|
|
else
|
|
{
|
|
bg = term->priv->bg;
|
|
}
|
|
|
|
invert = (selected ? 1 : 0) + (term->priv->colors_inverted ? 1 : 0) +
|
|
(attr.mask & MOO_TERM_TEXT_REVERSE ? 1 : 0);
|
|
invert %= 2;
|
|
|
|
if (invert)
|
|
{
|
|
GdkGC *tmp = fg;
|
|
fg = bg;
|
|
bg = tmp;
|
|
}
|
|
|
|
gdk_draw_rectangle (term->priv->back_pixmap,
|
|
bg,
|
|
TRUE,
|
|
start * CHAR_WIDTH(term),
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term),
|
|
len * CHAR_WIDTH(term),
|
|
CHAR_HEIGHT(term));
|
|
|
|
gdk_draw_layout (term->priv->back_pixmap,
|
|
fg,
|
|
start * CHAR_WIDTH(term),
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term),
|
|
term->priv->layout);
|
|
|
|
if ((attr.mask & MOO_TERM_TEXT_BOLD) && term->priv->settings.allow_bold)
|
|
gdk_draw_layout (term->priv->back_pixmap,
|
|
fg,
|
|
start * CHAR_WIDTH(term) + 1,
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term),
|
|
term->priv->layout);
|
|
|
|
if (attr.mask & MOO_TERM_TEXT_UNDERLINE)
|
|
gdk_draw_line (term->priv->back_pixmap,
|
|
fg,
|
|
start * CHAR_WIDTH(term),
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term) + CHAR_ASCENT(term) + 1,
|
|
(start + len) * CHAR_WIDTH(term) + 1,
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term) + CHAR_ASCENT(term) + 1);
|
|
}
|
|
|
|
|
|
static void
|
|
term_draw_cursor (MooTerm *term)
|
|
{
|
|
guint scrollback = buf_scrollback (term->priv->buffer);
|
|
guint abs_row = term->priv->cursor_row + scrollback;
|
|
guint column = term->priv->cursor_col;
|
|
MooTermLine *line = buf_line (term->priv->buffer, abs_row);
|
|
|
|
if (_moo_term_line_len (line) > column)
|
|
{
|
|
return term_draw_cells (term, abs_row, column, 1,
|
|
_moo_term_line_get_attr (line, column),
|
|
!_moo_term_cell_selected (term, abs_row, column));
|
|
}
|
|
else
|
|
{
|
|
GdkGC *color;
|
|
guint invert;
|
|
|
|
invert = 1 + (_moo_term_cell_selected (term, abs_row, column) ? 1 : 0) +
|
|
(term->priv->colors_inverted ? 1 : 0);
|
|
invert %= 2;
|
|
|
|
if (invert)
|
|
color = term->priv->fg[COLOR_NORMAL];
|
|
else
|
|
color = term->priv->bg;
|
|
|
|
gdk_draw_rectangle (term->priv->back_pixmap,
|
|
color,
|
|
TRUE,
|
|
column * CHAR_WIDTH(term),
|
|
(abs_row - term_top_line (term)) * CHAR_HEIGHT(term),
|
|
CHAR_WIDTH(term),
|
|
CHAR_HEIGHT(term));
|
|
}
|
|
}
|
|
|
|
|
|
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;
|
|
|
|
if (!GTK_WIDGET_DRAWABLE (term))
|
|
return;
|
|
|
|
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 *= CHAR_WIDTH(term);
|
|
rect[i].y *= CHAR_HEIGHT(term);
|
|
rect[i].width *= CHAR_WIDTH(term);
|
|
rect[i].height *= CHAR_HEIGHT(term);
|
|
|
|
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)
|
|
{
|
|
term->priv->cursor_visible = visible;
|
|
invalidate_screen_cell (term,
|
|
term->priv->cursor_row,
|
|
term->priv->cursor_col);
|
|
}
|
|
|
|
|
|
static gboolean
|
|
blink (MooTerm *term)
|
|
{
|
|
term->priv->blink_cursor_visible =
|
|
!term->priv->blink_cursor_visible;
|
|
invalidate_screen_cell (term,
|
|
term->priv->cursor_row,
|
|
term->priv->cursor_col);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void
|
|
start_cursor_blinking (MooTerm *term)
|
|
{
|
|
if (!term->priv->cursor_blink_timeout_id && term->priv->cursor_blinks)
|
|
term->priv->cursor_blink_timeout_id =
|
|
g_timeout_add (term->priv->cursor_blink_time,
|
|
(GSourceFunc) blink,
|
|
term);
|
|
}
|
|
|
|
|
|
static void
|
|
stop_cursor_blinking (MooTerm *term)
|
|
{
|
|
if (term->priv->cursor_blink_timeout_id)
|
|
{
|
|
g_source_remove (term->priv->cursor_blink_timeout_id);
|
|
term->priv->cursor_blink_timeout_id = 0;
|
|
term->priv->blink_cursor_visible = TRUE;
|
|
invalidate_screen_cell (term,
|
|
term->priv->cursor_row,
|
|
term->priv->cursor_col);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
_moo_term_pause_cursor_blinking (MooTerm *term)
|
|
{
|
|
if (term->priv->cursor_blinks)
|
|
{
|
|
stop_cursor_blinking (term);
|
|
start_cursor_blinking (term);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
_moo_term_set_cursor_blinks (MooTerm *term,
|
|
gboolean blinks)
|
|
{
|
|
term->priv->cursor_blinks = blinks;
|
|
if (blinks)
|
|
start_cursor_blinking (term);
|
|
else
|
|
stop_cursor_blinking (term);
|
|
g_object_notify (G_OBJECT (term), "cursor-blinks");
|
|
}
|
|
|
|
|
|
void
|
|
moo_term_set_cursor_blink_time (MooTerm *term,
|
|
guint ms)
|
|
{
|
|
if (ms)
|
|
{
|
|
term->priv->cursor_blink_time = ms;
|
|
_moo_term_set_cursor_blinks (term, TRUE);
|
|
_moo_term_pause_cursor_blinking (term);
|
|
}
|
|
else
|
|
{
|
|
_moo_term_set_cursor_blinks (term, FALSE);
|
|
}
|
|
}
|