3 * Copyright (C) 2008 The Geeqie Team
5 * Author: Vladimir Nadvornik, Laurent Monin
6 * based on logwindow.[ch] from Sylpheed 2.4.7 (C) Hiroyuki Yamamoto
8 * This software is released under the GNU General Public License (GNU GPL).
9 * Please read the included file COPYING for more information.
10 * This software comes with no warranty of any kind, use at your own risk!
14 #include "logwindow.h"
19 #include <gdk/gdkkeysyms.h>
22 typedef struct _LogWindow LogWindow;
27 GtkWidget *scrolledwin;
30 GdkColor colors[LOG_COUNT];
35 typedef struct _LogDef LogDef;
43 /* Keep LogType order !! */
44 static LogDef logdefs[LOG_COUNT] = {
45 { LOG_NORMAL, "normal", "black" },
46 { LOG_MSG, "message", "blue" },
47 { LOG_WARN, "warning", "orange" },
48 { LOG_ERROR, "error", "red" },
51 static LogWindow *logwindow = NULL;
53 static void hide_cb(GtkWidget *widget, LogWindow *logwin)
57 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
60 if (event && event->keyval == GDK_Escape)
61 gtk_widget_hide(logwin->window);
65 static LogWindow *log_window_create(void)
69 GtkWidget *scrolledwin;
71 GtkTextBuffer *buffer;
74 logwin = g_new0(LogWindow, 1);
76 window = window_new(GTK_WINDOW_TOPLEVEL, "log", NULL, NULL, _("Log"));
77 gtk_widget_set_size_request(window, 520, 400);
78 g_signal_connect(G_OBJECT(window), "delete_event",
79 G_CALLBACK(gtk_widget_hide_on_delete), NULL);
80 g_signal_connect(G_OBJECT(window), "key_press_event",
81 G_CALLBACK(key_pressed), logwin);
82 g_signal_connect(G_OBJECT(window), "hide",
83 G_CALLBACK(hide_cb), logwin);
84 gtk_widget_realize(window);
86 scrolledwin = gtk_scrolled_window_new(NULL, NULL);
87 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
88 GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
89 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
91 gtk_container_add(GTK_CONTAINER(window), scrolledwin);
92 gtk_widget_show(scrolledwin);
94 text = gtk_text_view_new();
95 gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
96 gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
97 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
98 gtk_text_buffer_get_start_iter(buffer, &iter);
99 gtk_text_buffer_create_mark(buffer, "end", &iter, FALSE);
100 gtk_container_add(GTK_CONTAINER(scrolledwin), text);
101 gtk_widget_show(text);
103 logwin->window = window;
104 logwin->scrolledwin = scrolledwin;
111 static void log_window_init(LogWindow *logwin)
113 GtkTextBuffer *buffer;
114 GdkColormap *colormap;
115 gboolean success[LOG_COUNT - 1];
118 g_assert(logwin != NULL);
119 g_assert(logwin->colors != NULL);
121 for (i = LOG_NORMAL; i < LOG_COUNT; i++)
123 gboolean ok = gdk_color_parse(logdefs[i].color, &logwin->colors[i]);
124 if (ok == TRUE) continue;
126 if (i == LOG_NORMAL) return;
127 memcpy(&logwin->colors[i], &logwin->colors[LOG_NORMAL], sizeof(GdkColor));
130 colormap = gdk_drawable_get_colormap(logwin->window->window);
131 gdk_colormap_alloc_colors(colormap, logwin->colors, LOG_COUNT, FALSE, TRUE, success);
133 for (i = LOG_NORMAL; i < LOG_COUNT; i++)
135 if (success[i] == FALSE)
140 g_warning("LogWindow: color allocation failed\n");
141 style = gtk_widget_get_style(logwin->window);
142 for (j = LOG_NORMAL; j < LOG_COUNT; j++)
143 logwin->colors[j] = style->black;
148 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(logwin->text));
149 for (i = LOG_NORMAL; i < LOG_COUNT; i++)
150 gtk_text_buffer_create_tag(buffer, logdefs[i].tag,
151 "foreground-gdk", &logwin->colors[i],
152 "family", "MonoSpace",
156 static void log_window_show(LogWindow *logwin)
158 GtkTextView *text = GTK_TEXT_VIEW(logwin->text);
159 GtkTextBuffer *buffer;
162 g_assert(logwin != NULL);
164 buffer = gtk_text_view_get_buffer(text);
165 mark = gtk_text_buffer_get_mark(buffer, "end");
166 gtk_text_view_scroll_mark_onscreen(text, mark);
168 gtk_window_present(GTK_WINDOW(logwin->window));
170 log_window_append("", LOG_NORMAL); // to flush memorized lines
173 void log_window_new(void)
175 if (logwindow == NULL)
179 logwin = log_window_create();
180 log_window_init(logwin);
184 log_window_show(logwindow);
187 typedef struct _LogMsg LogMsg;
195 static void log_window_insert_text(GtkTextBuffer *buffer, GtkTextIter *iter,
196 const gchar *text, const gchar *tag)
200 if (!text || !*text) return;
202 str_utf8 = utf8_validate_or_convert(text);
203 gtk_text_buffer_insert_with_tags_by_name(buffer, iter, str_utf8, -1, tag, NULL);
208 void log_window_append(const gchar *str, LogType type)
211 GtkTextBuffer *buffer;
213 guint line_limit = 1000; //FIXME: option
214 static GList *memory = NULL;
216 if (logwindow == NULL)
219 LogMsg *msg = g_new(LogMsg, 1);
221 msg->text = g_strdup(str);
224 memory = g_list_prepend(memory, msg);
226 while (g_list_length(memory) >= line_limit)
228 GList *work = g_list_last(memory);
229 LogMsg *oldest_msg = work->data;
231 g_free(oldest_msg->text);
232 memory = g_list_delete_link(memory, work);
238 text = GTK_TEXT_VIEW(logwindow->text);
239 buffer = gtk_text_view_get_buffer(text);
241 if (line_limit > 0 && logwindow->lines >= line_limit)
243 GtkTextIter start, end;
245 gtk_text_buffer_get_start_iter(buffer, &start);
247 gtk_text_iter_forward_lines(&end, logwindow->lines - line_limit);
248 gtk_text_buffer_delete(buffer, &start, &end);
251 gtk_text_buffer_get_end_iter(buffer, &iter);
254 GList *work = g_list_last(memory);
259 LogMsg *oldest_msg = work->data;
261 log_window_insert_text(buffer, &iter, oldest_msg->text, logdefs[oldest_msg->type].tag);
264 memory = g_list_delete_link(memory, work);
269 log_window_insert_text(buffer, &iter, str, logdefs[type].tag);
271 if (GTK_WIDGET_VISIBLE(text))
275 mark = gtk_text_buffer_get_mark(buffer, "end");
276 gtk_text_view_scroll_mark_onscreen(text, mark);
279 logwindow->lines = gtk_text_buffer_get_line_count(buffer);
281 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */