| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2006-2008 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file disobedience/misc.c |
| 19 | * @brief Miscellaneous GTK+ interfacing stuff |
| 20 | */ |
| 21 | |
| 22 | #include "disobedience.h" |
| 23 | #include "table.h" |
| 24 | |
| 25 | struct image { |
| 26 | const char *name; |
| 27 | const guint8 *data; |
| 28 | }; |
| 29 | |
| 30 | #include "images.h" |
| 31 | |
| 32 | /* Miscellaneous GTK+ stuff ------------------------------------------------ */ |
| 33 | |
| 34 | /* Functions */ |
| 35 | |
| 36 | /** @brief Put scrollbars around a widget |
| 37 | * @param child Widget to surround |
| 38 | * @return Scroll widget |
| 39 | */ |
| 40 | GtkWidget *scroll_widget(GtkWidget *child) { |
| 41 | GtkWidget *scroller = gtk_scrolled_window_new(0, 0); |
| 42 | GtkAdjustment *adj; |
| 43 | |
| 44 | gtk_widget_set_style(scroller, tool_style); |
| 45 | D(("scroll_widget")); |
| 46 | /* Why isn't _AUTOMATIC the default? */ |
| 47 | gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroller), |
| 48 | GTK_POLICY_AUTOMATIC, |
| 49 | GTK_POLICY_AUTOMATIC); |
| 50 | if(GTK_IS_LAYOUT(child) |
| 51 | || GTK_IS_TREE_VIEW(child)) { |
| 52 | /* Child widget has native scroll support */ |
| 53 | gtk_container_add(GTK_CONTAINER(scroller), child); |
| 54 | /* Fix up the step increments if they are 0 (seems like an odd default?) */ |
| 55 | if(GTK_IS_LAYOUT(child)) { |
| 56 | adj = gtk_layout_get_hadjustment(GTK_LAYOUT(child)); |
| 57 | if(!adj->step_increment) adj->step_increment = 16; |
| 58 | adj = gtk_layout_get_vadjustment(GTK_LAYOUT(child)); |
| 59 | if(!adj->step_increment) adj->step_increment = 16; |
| 60 | } |
| 61 | } else { |
| 62 | /* Child widget requires a viewport */ |
| 63 | gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroller), |
| 64 | child); |
| 65 | gtk_widget_set_style(gtk_bin_get_child(GTK_BIN(scroller)), tool_style); |
| 66 | } |
| 67 | gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->hscrollbar, tool_style); |
| 68 | gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->vscrollbar, tool_style); |
| 69 | return scroller; |
| 70 | } |
| 71 | |
| 72 | /** @brief Put a frame round a widget |
| 73 | * @param w Widget |
| 74 | * @param label Label or NULL |
| 75 | * @return Frame widget |
| 76 | */ |
| 77 | GtkWidget *frame_widget(GtkWidget *w, const char *label) { |
| 78 | GtkWidget *const frame = gtk_frame_new(label); |
| 79 | GtkWidget *const hbox = gtk_hbox_new(FALSE, 0); |
| 80 | GtkWidget *const vbox = gtk_vbox_new(FALSE, 0); |
| 81 | /* We want 4 pixels outside the frame boundary... */ |
| 82 | gtk_container_set_border_width(GTK_CONTAINER(frame), 4); |
| 83 | /* ...and 4 pixels inside */ |
| 84 | gtk_box_pack_start(GTK_BOX(hbox), w, TRUE/*expand*/, TRUE/*fill*/, 4); |
| 85 | gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE/*expand*/, TRUE/*fill*/, 4); |
| 86 | gtk_container_add(GTK_CONTAINER(frame), vbox); |
| 87 | return frame; |
| 88 | } |
| 89 | |
| 90 | /** @brief Find an image |
| 91 | * @param name Relative path to image |
| 92 | * @return pixbuf containing image |
| 93 | * |
| 94 | * Images are cached so it's perfectly sensible to call this lots of times even |
| 95 | * for the same image. |
| 96 | * |
| 97 | * Images are searched for in @c pkgdatadir/static. |
| 98 | */ |
| 99 | GdkPixbuf *find_image(const char *name) { |
| 100 | static const struct cache_type image_cache_type = { INT_MAX }; |
| 101 | |
| 102 | GdkPixbuf *pb; |
| 103 | char *path; |
| 104 | GError *err = 0; |
| 105 | int n; |
| 106 | |
| 107 | if(!(pb = (GdkPixbuf *)cache_get(&image_cache_type, name))) { |
| 108 | if((n = TABLE_FIND(images, name, name)) >= 0) { |
| 109 | /* Use the built-in copy */ |
| 110 | if(!(pb = gdk_pixbuf_new_from_inline(-1, images[n].data, FALSE, &err))) { |
| 111 | error(0, "%s", err->message); |
| 112 | return 0; |
| 113 | } |
| 114 | } else { |
| 115 | /* See if there's a copy on disk */ |
| 116 | byte_xasprintf(&path, "%s/static/%s", pkgdatadir, name); |
| 117 | if(!(pb = gdk_pixbuf_new_from_file(path, &err))) { |
| 118 | error(0, "%s", err->message); |
| 119 | return 0; |
| 120 | } |
| 121 | } |
| 122 | cache_put(&image_cache_type, name, pb); |
| 123 | } |
| 124 | return pb; |
| 125 | } |
| 126 | |
| 127 | /** @brief Pop up a message */ |
| 128 | void popup_msg(GtkMessageType mt, const char *msg) { |
| 129 | popup_submsg(toplevel, mt, msg); |
| 130 | } |
| 131 | |
| 132 | void popup_submsg(GtkWidget *parent, GtkMessageType mt, const char *msg) { |
| 133 | GtkWidget *w; |
| 134 | |
| 135 | w = gtk_message_dialog_new(GTK_WINDOW(parent), |
| 136 | GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT, |
| 137 | mt, |
| 138 | GTK_BUTTONS_CLOSE, |
| 139 | "%s", msg); |
| 140 | gtk_widget_set_style(w, tool_style); |
| 141 | gtk_dialog_run(GTK_DIALOG(w)); |
| 142 | gtk_widget_destroy(w); |
| 143 | } |
| 144 | |
| 145 | /** @brief Pop up an error message */ |
| 146 | void fpopup_msg(GtkMessageType mt, const char *fmt, ...) { |
| 147 | va_list ap; |
| 148 | char *msg; |
| 149 | |
| 150 | va_start(ap, fmt); |
| 151 | byte_xvasprintf(&msg, fmt, ap); |
| 152 | va_end(ap); |
| 153 | popup_msg(mt, msg); |
| 154 | } |
| 155 | |
| 156 | /** @brief Create a button with an icon in it |
| 157 | * @param path (relative) path to image |
| 158 | * @param tip Tooltip or NULL to not set one |
| 159 | * @return Button |
| 160 | */ |
| 161 | GtkWidget *iconbutton(const char *path, const char *tip) { |
| 162 | GtkWidget *button, *content; |
| 163 | GdkPixbuf *pb; |
| 164 | |
| 165 | button = gtk_button_new(); |
| 166 | if((pb = find_image(path))) { |
| 167 | content = gtk_image_new_from_pixbuf(pb); |
| 168 | } else { |
| 169 | content = gtk_label_new(path); |
| 170 | } |
| 171 | gtk_widget_set_style(button, tool_style); |
| 172 | gtk_widget_set_style(content, tool_style); |
| 173 | gtk_container_add(GTK_CONTAINER(button), content); |
| 174 | if(tip) |
| 175 | gtk_tooltips_set_tip(tips, button, tip, ""); |
| 176 | return button; |
| 177 | } |
| 178 | |
| 179 | /** @brief Create buttons and pack them into a box, which is returned */ |
| 180 | GtkWidget *create_buttons_box(struct button *buttons, |
| 181 | size_t nbuttons, |
| 182 | GtkWidget *box) { |
| 183 | size_t n; |
| 184 | |
| 185 | for(n = 0; n < nbuttons; ++n) { |
| 186 | buttons[n].widget = gtk_button_new_from_stock(buttons[n].stock); |
| 187 | gtk_widget_set_style(buttons[n].widget, tool_style); |
| 188 | g_signal_connect(G_OBJECT(buttons[n].widget), "clicked", |
| 189 | G_CALLBACK(buttons[n].clicked), 0); |
| 190 | gtk_box_pack_start(GTK_BOX(box), buttons[n].widget, FALSE, FALSE, 1); |
| 191 | gtk_tooltips_set_tip(tips, buttons[n].widget, buttons[n].tip, ""); |
| 192 | } |
| 193 | return box; |
| 194 | } |
| 195 | |
| 196 | /** @brief Create buttons and pack them into an hbox */ |
| 197 | GtkWidget *create_buttons(struct button *buttons, |
| 198 | size_t nbuttons) { |
| 199 | return create_buttons_box(buttons, nbuttons, |
| 200 | gtk_hbox_new(FALSE, 1)); |
| 201 | } |
| 202 | |
| 203 | |
| 204 | |
| 205 | /* |
| 206 | Local Variables: |
| 207 | c-basic-offset:2 |
| 208 | comment-column:40 |
| 209 | fill-column:79 |
| 210 | indent-tabs-mode:nil |
| 211 | End: |
| 212 | */ |