Mercurial > hg > forks > geeqie
annotate src/ui_spinner.c @ 2916:ae6cdcd69d9f default tip
Merge with upstream/master.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 14 May 2019 11:46:50 +0300 |
| parents | 95507e596256 |
| children |
| rev | line source |
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| 9 | 1 /* |
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Klaus Ethgen <Klaus@Ethgen.de>
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2021
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2 * Copyright (C) 2004 John Ellis |
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95507e596256
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3 * Copyright (C) 2008 - 2016 The Geeqie Team |
| 9 | 4 * |
| 5 * Author: John Ellis | |
| 6 * | |
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7 * This program is free software; you can redistribute it and/or modify |
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8 * it under the terms of the GNU General Public License as published by |
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9 * the Free Software Foundation; either version 2 of the License, or |
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10 * (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, |
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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parents:
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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parents:
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15 * GNU General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU General Public License along |
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18 * with this program; if not, write to the Free Software Foundation, Inc., |
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 9 | 20 */ |
| 21 | |
| 22 #ifdef HAVE_CONFIG_H | |
| 23 # include "config.h" | |
| 24 #endif | |
| 25 #include "intl.h" | |
| 442 | 26 |
| 9 | 27 #include <stdio.h> |
| 28 #include <stdlib.h> | |
| 29 #include <string.h> | |
| 442 | 30 |
| 9 | 31 #include <gtk/gtk.h> |
| 32 | |
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33 #include "main.h" |
| 9 | 34 #include "ui_spinner.h" |
| 35 | |
| 36 #include "ui_icons.h" | |
| 37 #include "ui_fileops.h" | |
| 38 | |
| 39 | |
| 40 #define SPINNER_FRAMES 19 | |
| 41 | |
| 42 | |
| 43 /* | |
| 44 *----------------------------------------------------------------------------- | |
| 45 * spinner utility | |
| 46 *----------------------------------------------------------------------------- | |
| 47 */ | |
| 48 | |
| 49 typedef struct _SpinnerData SpinnerData; | |
| 50 struct _SpinnerData { | |
| 51 GtkWidget *image; | |
| 52 GList *list; /* list of pixbufs */ | |
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53 guint frame; |
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54 guint timer_id; /* event source id */ |
| 9 | 55 }; |
| 56 | |
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57 static void spinner_set_frame(SpinnerData *sp, guint frame) |
| 9 | 58 { |
| 59 GdkPixbuf *pb; | |
| 60 | |
| 61 pb = g_list_nth_data(sp->list, frame); | |
| 62 if (pb) gtk_image_set_from_pixbuf(GTK_IMAGE(sp->image), pb); | |
| 63 | |
| 64 sp->frame = frame; | |
| 65 } | |
| 66 | |
| 67 static void spinner_increment_frame(SpinnerData *sp) | |
| 68 { | |
| 69 sp->frame++; | |
| 70 if (sp->frame >= g_list_length(sp->list)) sp->frame = 1; | |
| 71 spinner_set_frame(sp, sp->frame); | |
| 72 } | |
| 73 | |
| 74 static gboolean spinner_loop_cb(gpointer data) | |
| 75 { | |
| 76 SpinnerData *sp = data; | |
| 77 | |
| 78 if (sp->list) spinner_increment_frame(sp); | |
| 79 | |
| 80 return TRUE; | |
| 81 } | |
| 82 | |
| 83 static void spinner_set_timeout(SpinnerData *sp, gint interval) | |
| 84 { | |
| 85 if (!sp) return; | |
| 86 | |
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87 if (sp->timer_id) |
| 9 | 88 { |
| 89 g_source_remove(sp->timer_id); | |
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90 sp->timer_id = 0; |
| 9 | 91 } |
| 92 | |
| 93 if (interval > 0) | |
| 94 { | |
| 95 sp->timer_id = g_timeout_add(interval, spinner_loop_cb, sp); | |
| 96 } | |
| 97 else if (interval < 0) | |
| 98 { | |
| 99 spinner_set_frame(sp, 0); | |
| 100 } | |
| 101 | |
| 102 gtk_widget_set_sensitive(sp->image, (interval >= 0)); | |
| 103 } | |
| 104 | |
| 105 static void spinner_destroy_cb(GtkWidget *widget, gpointer data) | |
| 106 { | |
| 107 SpinnerData *sp = data; | |
| 108 GList *work; | |
| 109 | |
| 110 spinner_set_timeout(sp, 0); | |
| 111 | |
| 112 work = sp->list; | |
| 113 while (work) | |
| 114 { | |
| 115 GdkPixbuf *pb = work->data; | |
| 116 work = work->next; | |
| 117 | |
| 118 g_object_unref(pb); | |
| 119 } | |
| 120 g_list_free(sp->list); | |
| 121 g_free(sp); | |
| 122 } | |
| 123 | |
| 124 GtkWidget *spinner_new(const gchar *path, gint interval) | |
| 125 { | |
| 126 SpinnerData *sp; | |
| 127 | |
| 128 sp = g_new0(SpinnerData, 1); | |
| 129 | |
| 130 if (path) | |
| 131 { | |
| 132 gchar *pathl; | |
| 133 GdkPixbuf *pb; | |
| 134 gint n; | |
| 135 gchar *buf; | |
| 136 | |
| 137 pathl = path_from_utf8(path); | |
| 138 | |
| 139 n = 0; | |
| 140 buf = g_strdup_printf("%s%02d.png", pathl, n); | |
| 141 while ((pb = gdk_pixbuf_new_from_file(buf, NULL))) | |
| 142 { | |
| 143 sp->list = g_list_append(sp->list, pb); | |
| 144 | |
| 145 n++; | |
| 146 g_free(buf); | |
| 147 buf = g_strdup_printf("%s%02d.png", pathl, n); | |
| 148 } | |
| 149 g_free(buf); | |
| 150 | |
| 151 g_free(pathl); | |
| 152 } | |
| 153 | |
| 154 if (!sp->list) | |
| 155 { | |
| 156 GdkPixbuf *pb; | |
| 157 gint n; | |
| 158 gint w, h; | |
| 159 | |
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160 pb = gdk_pixbuf_new_from_inline(-1, icon_spinner, FALSE, NULL); |
| 9 | 161 w = gdk_pixbuf_get_width(pb); |
| 162 h = gdk_pixbuf_get_height(pb) / SPINNER_FRAMES; | |
| 163 for (n = 0; n < SPINNER_FRAMES; n++) | |
| 164 { | |
| 165 sp->list = g_list_append(sp->list, | |
| 166 gdk_pixbuf_new_subpixbuf(pb, 0, n * h, w, h)); | |
| 167 } | |
| 168 /* pb pixels is inline static, so the subpixbufs in sp->list will be ok */ | |
| 169 g_object_unref(pb); | |
| 170 } | |
| 171 | |
| 172 if (sp->list) | |
| 173 { | |
| 174 GdkPixbuf *pb; | |
| 175 | |
| 176 pb = sp->list->data; | |
| 177 sp->image = gtk_image_new_from_pixbuf(pb); | |
| 178 } | |
| 179 else | |
| 180 { | |
| 181 sp->image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_DIALOG); | |
| 182 } | |
| 183 | |
| 184 g_object_set_data(G_OBJECT(sp->image), "spinner", sp); | |
| 185 | |
| 186 g_signal_connect(G_OBJECT(sp->image), "destroy", | |
| 187 G_CALLBACK(spinner_destroy_cb), sp); | |
| 188 | |
| 189 spinner_set_timeout(sp, interval); | |
| 190 | |
| 191 return sp->image; | |
| 192 } | |
| 193 | |
| 194 void spinner_set_interval(GtkWidget *spinner, gint interval) | |
| 195 { | |
| 196 SpinnerData *sp; | |
| 197 | |
| 198 sp = g_object_get_data(G_OBJECT(spinner), "spinner"); | |
| 199 | |
| 200 spinner_set_timeout(sp, interval); | |
| 201 } | |
| 202 | |
| 1448 | 203 void spinner_step(GtkWidget *spinner, gboolean reset) |
| 9 | 204 { |
| 205 SpinnerData *sp; | |
| 206 | |
| 207 sp = g_object_get_data(G_OBJECT(spinner), "spinner"); | |
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parents:
1448
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changeset
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208 if (sp->timer_id) |
| 9 | 209 { |
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Laurent Monin <geeqie@norz.org>
parents:
513
diff
changeset
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210 log_printf("spinner warning: attempt to step with timer set\n"); |
| 9 | 211 return; |
| 212 } | |
| 213 | |
| 214 if (reset) | |
| 215 { | |
| 216 spinner_set_frame(sp, 0); | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 spinner_increment_frame(sp); | |
| 221 } | |
| 222 } | |
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223 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */ |