chiark / gitweb /
Merge from disorder.userman
[disorder] / disobedience / misc.c
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460b9539 1/*
2 * This file is part of DisOrder
5aff007d 3 * Copyright (C) 2006, 2007 Richard Kettlewell
460b9539 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 2 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, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * 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, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
18 * USA
19 */
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20/** @file disobedience/misc.c
21 * @brief Miscellaneous GTK+ interfacing stuff
22 */
460b9539 23
24#include "disobedience.h"
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25#include "table.h"
26
27struct image {
28 const char *name;
29 const guint8 *data;
30};
31
32#include "images.h"
460b9539 33
34/* Miscellaneous GTK+ stuff ------------------------------------------------ */
35
e9b70a84 36WT(cached_image);
37
460b9539 38/* Functions */
39
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40/** @brief Put scrollbars around a widget
41 * @param child Widget to surround
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42 * @return Scroll widget
43 */
d4ef4132 44GtkWidget *scroll_widget(GtkWidget *child) {
460b9539 45 GtkWidget *scroller = gtk_scrolled_window_new(0, 0);
46 GtkAdjustment *adj;
47
33288048 48 gtk_widget_set_style(scroller, tool_style);
460b9539 49 D(("scroll_widget"));
50 /* Why isn't _AUTOMATIC the default? */
51 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroller),
52 GTK_POLICY_AUTOMATIC,
53 GTK_POLICY_AUTOMATIC);
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54 if(GTK_IS_LAYOUT(child)
55 || GTK_IS_TREE_VIEW(child)) {
460b9539 56 /* Child widget has native scroll support */
57 gtk_container_add(GTK_CONTAINER(scroller), child);
58 /* Fix up the step increments if they are 0 (seems like an odd default?) */
59 if(GTK_IS_LAYOUT(child)) {
60 adj = gtk_layout_get_hadjustment(GTK_LAYOUT(child));
61 if(!adj->step_increment) adj->step_increment = 16;
62 adj = gtk_layout_get_vadjustment(GTK_LAYOUT(child));
63 if(!adj->step_increment) adj->step_increment = 16;
64 }
65 } else {
66 /* Child widget requires a viewport */
67 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroller),
68 child);
33288048 69 gtk_widget_set_style(gtk_bin_get_child(GTK_BIN(scroller)), tool_style);
460b9539 70 }
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71 gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->hscrollbar, tool_style);
72 gtk_widget_set_style(GTK_SCROLLED_WINDOW(scroller)->vscrollbar, tool_style);
460b9539 73 return scroller;
74}
75
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76/** @brief Put a frame round a widget
77 * @param w Widget
78 * @param label Label or NULL
79 * @return Frame widget
80 */
81GtkWidget *frame_widget(GtkWidget *w, const char *label) {
82 GtkWidget *const frame = gtk_frame_new(label);
83 GtkWidget *const hbox = gtk_hbox_new(FALSE, 0);
84 GtkWidget *const vbox = gtk_vbox_new(FALSE, 0);
85 /* We want 4 pixels outside the frame boundary... */
86 gtk_container_set_border_width(GTK_CONTAINER(frame), 4);
87 /* ...and 4 pixels inside */
88 gtk_box_pack_start(GTK_BOX(hbox), w, TRUE/*expand*/, TRUE/*fill*/, 4);
89 gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE/*expand*/, TRUE/*fill*/, 4);
90 gtk_container_add(GTK_CONTAINER(frame), vbox);
91 return frame;
92}
93
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94/** @brief Find an image
95 * @param name Relative path to image
96 * @return pixbuf containing image
97 *
98 * Images are cached so it's perfectly sensible to call this lots of times even
99 * for the same image.
100 *
101 * Images are searched for in @c pkgdatadir/static.
102 */
460b9539 103GdkPixbuf *find_image(const char *name) {
104 static const struct cache_type image_cache_type = { INT_MAX };
105
106 GdkPixbuf *pb;
107 char *path;
108 GError *err = 0;
54abef2b 109 int n;
460b9539 110
111 if(!(pb = (GdkPixbuf *)cache_get(&image_cache_type, name))) {
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112 if((n = TABLE_FIND(images, struct image, name, name)) >= 0) {
113 /* Use the built-in copy */
114 if(!(pb = gdk_pixbuf_new_from_inline(-1, images[n].data, FALSE, &err))) {
115 error(0, "%s", err->message);
116 return 0;
117 }
118 } else {
119 /* See if there's a copy on disk */
120 byte_xasprintf(&path, "%s/static/%s", pkgdatadir, name);
121 if(!(pb = gdk_pixbuf_new_from_file(path, &err))) {
122 error(0, "%s", err->message);
123 return 0;
124 }
460b9539 125 }
e9b70a84 126 NW(cached_image);
460b9539 127 cache_put(&image_cache_type, name, pb);
128 }
129 return pb;
130}
131
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132/** @brief Pop up a message */
133void popup_msg(GtkMessageType mt, const char *msg) {
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134 popup_submsg(toplevel, mt, msg);
135}
136
137void popup_submsg(GtkWidget *parent, GtkMessageType mt, const char *msg) {
460b9539 138 GtkWidget *w;
139
34239ce4 140 w = gtk_message_dialog_new(GTK_WINDOW(parent),
460b9539 141 GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
043d60b1 142 mt,
460b9539 143 GTK_BUTTONS_CLOSE,
144 "%s", msg);
33288048 145 gtk_widget_set_style(w, tool_style);
460b9539 146 gtk_dialog_run(GTK_DIALOG(w));
147 gtk_widget_destroy(w);
148}
149
73f1b9f3 150/** @brief Pop up an error message */
043d60b1 151void fpopup_msg(GtkMessageType mt, const char *fmt, ...) {
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152 va_list ap;
153 char *msg;
154
155 va_start(ap, fmt);
156 byte_xvasprintf(&msg, fmt, ap);
157 va_end(ap);
043d60b1 158 popup_msg(mt, msg);
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159}
160
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161/** @brief Create a button with an icon in it
162 * @param path (relative) path to image
3149c1e2 163 * @param tip Tooltip or NULL to not set one
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164 * @return Button
165 */
166GtkWidget *iconbutton(const char *path, const char *tip) {
33288048 167 GtkWidget *button, *content;
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168 GdkPixbuf *pb;
169
170 NW(button);
171 button = gtk_button_new();
172 if((pb = find_image(path))) {
173 NW(image);
174 content = gtk_image_new_from_pixbuf(pb);
175 } else {
176 NW(label);
177 content = gtk_label_new(path);
178 }
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179 gtk_widget_set_style(button, tool_style);
180 gtk_widget_set_style(content, tool_style);
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181 gtk_container_add(GTK_CONTAINER(button), content);
182 if(tip)
183 gtk_tooltips_set_tip(tips, button, tip, "");
184 return button;
185}
186
ffc4dbaf 187/** @brief Create buttons and pack them into a box, which is returned */
f44417cf 188GtkWidget *create_buttons_box(struct button *buttons,
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189 size_t nbuttons,
190 GtkWidget *box) {
73f1b9f3 191 size_t n;
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192
193 for(n = 0; n < nbuttons; ++n) {
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194 buttons[n].widget = gtk_button_new_from_stock(buttons[n].stock);
195 gtk_widget_set_style(buttons[n].widget, tool_style);
196 g_signal_connect(G_OBJECT(buttons[n].widget), "clicked",
73f1b9f3 197 G_CALLBACK(buttons[n].clicked), 0);
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198 gtk_box_pack_start(GTK_BOX(box), buttons[n].widget, FALSE, FALSE, 1);
199 gtk_tooltips_set_tip(tips, buttons[n].widget, buttons[n].tip, "");
73f1b9f3 200 }
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201 return box;
202}
203
204/** @brief Create buttons and pack them into an hbox */
f44417cf 205GtkWidget *create_buttons(struct button *buttons,
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206 size_t nbuttons) {
207 return create_buttons_box(buttons, nbuttons,
208 gtk_hbox_new(FALSE, 1));
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209}
210
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211
212
460b9539 213/*
214Local Variables:
215c-basic-offset:2
216comment-column:40
217fill-column:79
218indent-tabs-mode:nil
219End:
220*/