1 /* dvdisaster: Additional error correction for optical media.
2 * Copyright (C) 2004-2015 Carsten Gnoerlich.
3 *
4 * Email: carsten@dvdisaster.org -or- cgnoerlich@fsfe.org
5 * Project homepage: http://www.dvdisaster.org
6 *
7 * This file is part of dvdisaster.
8 *
9 * dvdisaster is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * dvdisaster is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "dvdisaster.h"
24
25 /***
26 *** Creates the welcome window shown after startup.
27 ***/
28
29 /*
30 * The welcome window is shown first,
31 * so it is convenient to initialize our GC when it is exposed.
32 */
33
toggle_cb(GtkWidget * widget,gpointer data)34 static void toggle_cb(GtkWidget *widget, gpointer data)
35 { int state = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
36
37 Closure->welcomeMessage = state;
38 }
39
expose_cb(GtkWidget * widget,GdkEventExpose * event,gpointer data)40 static gboolean expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
41 { GtkWidget *box = (GtkWidget*)data;
42
43 if(!Closure->drawGC)
44 { GdkColor *bg = &widget->style->bg[0];
45 GdkColormap *cmap = gdk_colormap_get_system();
46
47 Closure->drawGC = gdk_gc_new(widget->window);
48
49 memcpy(Closure->background, bg, sizeof(GdkColor));
50
51 gdk_colormap_alloc_color(cmap, Closure->foreground, FALSE, TRUE);
52
53 Closure->grid->red = bg->red-bg->red/8;
54 Closure->grid->green = bg->green-bg->green/8;
55 Closure->grid->blue = bg->blue-bg->blue/8;
56 gdk_colormap_alloc_color(cmap, Closure->grid, FALSE, TRUE);
57
58 /* This can't be done at closure.c */
59
60 gdk_colormap_alloc_color(cmap, Closure->redText, FALSE, TRUE);
61 gdk_colormap_alloc_color(cmap, Closure->greenText, FALSE, TRUE);
62 gdk_colormap_alloc_color(cmap, Closure->barColor, FALSE, TRUE);
63 gdk_colormap_alloc_color(cmap, Closure->logColor, FALSE, TRUE);
64 gdk_colormap_alloc_color(cmap, Closure->curveColor, FALSE, TRUE);
65 gdk_colormap_alloc_color(cmap, Closure->redSector, FALSE, TRUE);
66 gdk_colormap_alloc_color(cmap, Closure->yellowSector, FALSE, TRUE);
67 gdk_colormap_alloc_color(cmap, Closure->greenSector, FALSE, TRUE);
68 gdk_colormap_alloc_color(cmap, Closure->blueSector, FALSE, TRUE);
69 gdk_colormap_alloc_color(cmap, Closure->whiteSector, FALSE, TRUE);
70 gdk_colormap_alloc_color(cmap, Closure->darkSector, FALSE, TRUE);
71
72 /* Dirty trick for indenting the list:
73 draw an invisible dash before each indented line */
74
75 if(Closure->welcomeMessage || Closure->version != Closure->dotFileVersion)
76 { GtkWidget *button;
77
78 Closure->invisibleDash = g_strdup_printf("<span color=\"#%02x%02x%02x\">-</span>",
79 bg->red>>8, bg->green>>8, bg->blue>>8);
80 AboutText(box, _("- New multithreaded codec (RS03)."));
81 AboutText(box, _("- Completely reworked online manual."));
82 AboutText(box, _("- Switched license to GPLv3.\n"));
83
84 AboutText(box, _("<i>Please note:</i>\n"
85 "Adaptive reading is <span color=\"#800000\">unavailable</span> in this version.\n"
86 "It will be re-introduced in one of the next releases."));
87
88 gtk_box_pack_start(GTK_BOX(box), gtk_hseparator_new(), FALSE, FALSE, 10);
89
90 button = gtk_check_button_new_with_label(_utf("Show this message again"));
91 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), Closure->welcomeMessage);
92 g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(toggle_cb), NULL);
93 gtk_box_pack_start(GTK_BOX(box), button, FALSE, FALSE, 0);
94
95 gtk_widget_show_all(box);
96 }
97 }
98
99 Closure->dotFileVersion = Closure->version;
100
101 return FALSE;
102 }
103
104 /*
105 * Create the window
106 */
107
CreateWelcomePage(GtkNotebook * notebook)108 void CreateWelcomePage(GtkNotebook *notebook)
109 { GtkWidget *box,*align,*ignore;
110 int show_msg;
111
112 show_msg = Closure->welcomeMessage || Closure->version != Closure->dotFileVersion;
113
114 align = gtk_alignment_new(0.5, 0.5, 0.0, 0.0);
115 ignore = gtk_label_new("welcome_tab");
116 box = show_msg ? gtk_vbox_new(FALSE, 0) : gtk_hbox_new(FALSE, 10);
117
118 g_signal_connect(G_OBJECT(align), "expose_event", G_CALLBACK(expose_cb), box);
119 gtk_notebook_append_page(notebook, align, ignore);
120
121 gtk_container_add(GTK_CONTAINER(align), box);
122
123 if(!show_msg)
124 { return; // simply leave the window blank
125 #if 0 // would print a centered dvdisaster logo
126 GtkWidget *widget;
127
128 widget = gtk_image_new_from_stock("dvdisaster-create", GTK_ICON_SIZE_LARGE_TOOLBAR);
129 gtk_box_pack_start(GTK_BOX(box), widget, FALSE, FALSE, 0);
130
131 AboutText(box, "<span weight=\"bold\" size=\"xx-large\">dvdisaster</span>");
132 return;
133 #endif
134 }
135
136 AboutText(box, _("<span weight=\"bold\" size=\"xx-large\">Welcome to dvdisaster!</span>"));
137
138 AboutText(box, _("\ndvdisaster creates error correction data to protect\n"
139 "optical media (CD,DVD,BD) against data loss.\n"));
140
141 AboutTextWithLink(box, _("Please see the [manual] for typical uses of dvdisaster.\n\n"),
142 "manual.pdf");
143
144 AboutText(box, _("<i>New in this Version:</i>"));
145
146 /* actual list is generated in the expose event handler */
147
148 }
149
150