chiark / gitweb /
cgi/cgimain.c: Make the CGI program be (a little) locale-aware.
[disorder] / disobedience / misc.c
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460b9539 1/*
2 * This file is part of DisOrder
444be909 3 * Copyright (C) 2006-2008, 2010 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
9 *
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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 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
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18/** @file disobedience/misc.c
19 * @brief Miscellaneous GTK+ interfacing stuff
20 */
460b9539 21
22#include "disobedience.h"
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23#include "table.h"
24
598b07b7 25/** @brief Embedded image */
54abef2b 26struct image {
598b07b7 27 /** @brief Image name */
54abef2b 28 const char *name;
598b07b7 29 /** @brief Image data in GDK pixbuf inline format */
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30 const guint8 *data;
31};
32
444be909 33#include "../images/images.h"
460b9539 34
35/* Miscellaneous GTK+ stuff ------------------------------------------------ */
36
37/* Functions */
38
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39/** @brief Put scrollbars around a widget
40 * @param child Widget to surround
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41 * @return Scroll widget
42 */
d4ef4132 43GtkWidget *scroll_widget(GtkWidget *child) {
460b9539 44 GtkWidget *scroller = gtk_scrolled_window_new(0, 0);
45 GtkAdjustment *adj;
46
33288048 47 gtk_widget_set_style(scroller, tool_style);
460b9539 48 D(("scroll_widget"));
49 /* Why isn't _AUTOMATIC the default? */
50 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroller),
51 GTK_POLICY_AUTOMATIC,
52 GTK_POLICY_AUTOMATIC);
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53 if(GTK_IS_LAYOUT(child)
54 || GTK_IS_TREE_VIEW(child)) {
460b9539 55 /* Child widget has native scroll support */
56 gtk_container_add(GTK_CONTAINER(scroller), child);
57 /* Fix up the step increments if they are 0 (seems like an odd default?) */
58 if(GTK_IS_LAYOUT(child)) {
59 adj = gtk_layout_get_hadjustment(GTK_LAYOUT(child));
60 if(!adj->step_increment) adj->step_increment = 16;
61 adj = gtk_layout_get_vadjustment(GTK_LAYOUT(child));
62 if(!adj->step_increment) adj->step_increment = 16;
63 }
64 } else {
65 /* Child widget requires a viewport */
66 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroller),
67 child);
33288048 68 gtk_widget_set_style(gtk_bin_get_child(GTK_BIN(scroller)), tool_style);
460b9539 69 }
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70 gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->hscrollbar, tool_style);
71 gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->vscrollbar, tool_style);
460b9539 72 return scroller;
73}
74
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75/** @brief Put a frame round a widget
76 * @param w Widget
77 * @param label Label or NULL
78 * @return Frame widget
79 */
80GtkWidget *frame_widget(GtkWidget *w, const char *label) {
81 GtkWidget *const frame = gtk_frame_new(label);
82 GtkWidget *const hbox = gtk_hbox_new(FALSE, 0);
83 GtkWidget *const vbox = gtk_vbox_new(FALSE, 0);
84 /* We want 4 pixels outside the frame boundary... */
85 gtk_container_set_border_width(GTK_CONTAINER(frame), 4);
86 /* ...and 4 pixels inside */
87 gtk_box_pack_start(GTK_BOX(hbox), w, TRUE/*expand*/, TRUE/*fill*/, 4);
88 gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE/*expand*/, TRUE/*fill*/, 4);
89 gtk_container_add(GTK_CONTAINER(frame), vbox);
90 return frame;
91}
92
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93/** @brief Find an image
94 * @param name Relative path to image
95 * @return pixbuf containing image
96 *
97 * Images are cached so it's perfectly sensible to call this lots of times even
98 * for the same image.
99 *
100 * Images are searched for in @c pkgdatadir/static.
101 */
460b9539 102GdkPixbuf *find_image(const char *name) {
103 static const struct cache_type image_cache_type = { INT_MAX };
104
105 GdkPixbuf *pb;
106 char *path;
107 GError *err = 0;
54abef2b 108 int n;
460b9539 109
110 if(!(pb = (GdkPixbuf *)cache_get(&image_cache_type, name))) {
ba937f01 111 if((n = TABLE_FIND(images, name, name)) >= 0) {
54abef2b 112 /* Use the built-in copy */
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113#pragma GCC diagnostic push
114#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
54abef2b 115 if(!(pb = gdk_pixbuf_new_from_inline(-1, images[n].data, FALSE, &err))) {
73df7db6 116#pragma GCC diagnostic pop
2e9ba080 117 disorder_error(0, "%s", err->message);
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118 return 0;
119 }
120 } else {
121 /* See if there's a copy on disk */
122 byte_xasprintf(&path, "%s/static/%s", pkgdatadir, name);
123 if(!(pb = gdk_pixbuf_new_from_file(path, &err))) {
2e9ba080 124 disorder_error(0, "%s", err->message);
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125 return 0;
126 }
460b9539 127 }
128 cache_put(&image_cache_type, name, pb);
129 }
130 return pb;
131}
132
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133/** @brief Pop up a message */
134void popup_msg(GtkMessageType mt, const char *msg) {
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135 popup_submsg(toplevel, mt, msg);
136}
137
138void popup_submsg(GtkWidget *parent, GtkMessageType mt, const char *msg) {
460b9539 139 GtkWidget *w;
140
34239ce4 141 w = gtk_message_dialog_new(GTK_WINDOW(parent),
460b9539 142 GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
043d60b1 143 mt,
460b9539 144 GTK_BUTTONS_CLOSE,
145 "%s", msg);
33288048 146 gtk_widget_set_style(w, tool_style);
460b9539 147 gtk_dialog_run(GTK_DIALOG(w));
148 gtk_widget_destroy(w);
149}
150
73f1b9f3 151/** @brief Pop up an error message */
043d60b1 152void fpopup_msg(GtkMessageType mt, const char *fmt, ...) {
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153 va_list ap;
154 char *msg;
155
156 va_start(ap, fmt);
157 byte_xvasprintf(&msg, fmt, ap);
158 va_end(ap);
043d60b1 159 popup_msg(mt, msg);
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160}
161
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162/** @brief Create a button with an icon in it
163 * @param path (relative) path to image
3149c1e2 164 * @param tip Tooltip or NULL to not set one
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165 * @return Button
166 */
167GtkWidget *iconbutton(const char *path, const char *tip) {
33288048 168 GtkWidget *button, *content;
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169 GdkPixbuf *pb;
170
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171 button = gtk_button_new();
172 if((pb = find_image(path))) {
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173 content = gtk_image_new_from_pixbuf(pb);
174 } else {
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175 content = gtk_label_new(path);
176 }
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177 gtk_widget_set_style(button, tool_style);
178 gtk_widget_set_style(content, tool_style);
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179 gtk_container_add(GTK_CONTAINER(button), content);
180 if(tip)
a31f7a72 181 gtk_widget_set_tooltip_text(button, tip);
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182 return button;
183}
184
ffc4dbaf 185/** @brief Create buttons and pack them into a box, which is returned */
f44417cf 186GtkWidget *create_buttons_box(struct button *buttons,
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187 size_t nbuttons,
188 GtkWidget *box) {
73f1b9f3 189 size_t n;
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190
191 for(n = 0; n < nbuttons; ++n) {
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192 buttons[n].widget = gtk_button_new_from_stock(buttons[n].stock);
193 gtk_widget_set_style(buttons[n].widget, tool_style);
194 g_signal_connect(G_OBJECT(buttons[n].widget), "clicked",
73f1b9f3 195 G_CALLBACK(buttons[n].clicked), 0);
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196 void (*pack)(GtkBox *box,
197 GtkWidget *child,
198 gboolean expand,
199 gboolean fill,
200 guint padding);
201 if(!(pack = buttons[n].pack))
202 pack = gtk_box_pack_start;
203 pack(GTK_BOX(box), buttons[n].widget, FALSE, FALSE, 1);
a31f7a72 204 gtk_widget_set_tooltip_text(buttons[n].widget, buttons[n].tip);
73f1b9f3 205 }
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206 return box;
207}
208
209/** @brief Create buttons and pack them into an hbox */
f44417cf 210GtkWidget *create_buttons(struct button *buttons,
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211 size_t nbuttons) {
212 return create_buttons_box(buttons, nbuttons,
213 gtk_hbox_new(FALSE, 1));
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214}
215
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216
217
460b9539 218/*
219Local Variables:
220c-basic-offset:2
221comment-column:40
222fill-column:79
223indent-tabs-mode:nil
224End:
225*/