- media change support.

1 files changed, 136 insertions, 0 deletions

diff --git a/devices.c b/devices.c
new file mode 100644
index 0000000..07de700
--- /dev/null
+++ b/devices.c
@@ -0,0 +1,136 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <gtk/gtk.h>
+
+#include "qemu-gtk.h"
+
+/* ----------------------------------------------------------------- */
+
+static char mc_xml_start[] =
+"<ui>\n"
+" <menubar name='MainMenu'>\n"
+"  <menu action='DevicesMenu'>\n"
+"   <menu action='MediaChangeSubMenu'>\n";
+
+static char mc_xml_end[] =
+"   </menu>\n"
+"  </menu>\n"
+" </menubar>\n"
+"</ui>\n";
+
+/* ----------------------------------------------------------------- */
+
+static void menu_cb_change_media(GtkAction *action, void *data)
+{
+    struct qemu_window *win = data;
+    GtkWidget *dialog;
+    char *filename;
+    char name[32], title[128], cmd[128];
+
+    if (1 != sscanf(gtk_action_get_name(action), "ChangeMedia_%31s", name))
+	return;
+    if (debug)
+        fprintf(stderr, "%s: %s\n", __FUNCTION__, name);
+
+    snprintf(title, sizeof(title), "Pick image file for %s", name);
+    dialog = gtk_file_chooser_dialog_new (title, GTK_WINDOW(win->toplevel),
+                                          GTK_FILE_CHOOSER_ACTION_OPEN,
+                                          GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                          GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+                                          NULL);
+
+    if (gtk_dialog_run(GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT) {
+        filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+        if (debug)
+            fprintf(stderr, "%s: %s\n", __FUNCTION__, filename);
+#if 0
+        /* not required it seems */
+        snprintf(cmd, sizeof(cmd), "eject %s", name);
+        monitor_append(win, cmd);
+#endif
+        snprintf(cmd, sizeof(cmd), "change %s %s", name, filename);
+        monitor_append(win, cmd);
+        monitor_append(win, "info block");
+        g_free (filename);
+    }
+    gtk_widget_destroy(dialog);
+}
+
+void devices_parse_info_block(struct qemu_window *win, char *str)
+{
+    char name[32], type[16], line[256], *file, *ptr;
+    char action[128], label[128];
+    int removable, pos, xpos, len, rc;
+    GtkActionEntry entry;
+    GError *err = NULL;
+    char *xml;
+
+    /* remove */
+    if (win->mc_id) {
+	gtk_ui_manager_remove_ui(win->ui, win->mc_id);
+	win->mc_id = 0;
+    }
+    if (win->mc_ag) {
+	gtk_ui_manager_remove_action_group(win->ui, win->mc_ag);
+	g_object_unref(win->mc_ag);
+	win->mc_ag = NULL;
+    }
+
+    /* start */
+    memset(&entry, 0, sizeof(entry));
+    entry.callback = G_CALLBACK(menu_cb_change_media);
+    win->mc_ag = gtk_action_group_new("ChangeMediaActions");
+
+    xpos = 0; xml = malloc(strlen(mc_xml_start)+1);
+    xpos += sprintf(xml+xpos, "%s", mc_xml_start);
+
+    /* parse & build */
+    for (pos = 0;; pos += len) {
+        rc = sscanf(str+pos, "%31[^:]: type=%15s removable=%d %255[^\r\n]%n",
+                    name, type, &removable, line, &len);
+        if (rc != 4)
+            break;
+        while (str[pos+len] == '\r' || str[pos+len] == '\n')
+            len++;
+        if (!removable)
+            continue;
+        file = strstr(line, "file=");
+        if (file) {
+            file += 5;
+            ptr = strchr(file, ' ');
+            if (ptr)
+                *ptr = 0;
+        } else {
+            file = "<empty>";
+        }
+        if (debug)
+            fprintf(stderr, "%s: %s (%s, %s) - [%s]\n",
+                    __FUNCTION__, name, type, file, line);
+
+	snprintf(action, sizeof(action), "ChangeMedia_%s", name);
+	snprintf(label, sizeof(label), "%s (%s, %s)", name, type, file);
+        xml = realloc(xml, xpos + 128);
+	xpos += snprintf(xml+xpos, 128, "    <menuitem action='%s'/>\n", action);
+	entry.name = action;
+	entry.label = label;
+	gtk_action_group_add_actions(win->mc_ag, &entry, 1, win);
+    }
+
+    /* finish */
+    xml = realloc(xml, xpos + strlen(mc_xml_end)+1);
+    xpos += sprintf(xml+xpos, "%s", mc_xml_end);
+
+    /* add */
+    if (debug)
+        fprintf(stderr, "---\n%s---\n", xml);
+    gtk_ui_manager_insert_action_group(win->ui, win->mc_ag, 1);
+    win->mc_id = gtk_ui_manager_add_ui_from_string(win->ui, xml, -1, &err);
+    if (!win->mc_id) {
+	g_message("building media change menu failed: %s", err->message);
+	g_error_free(err);
+    }
+}