git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@23061 e17a0e51-4ae3-4d35-97c3-1a29b211df97

1 files changed, 210 insertions, 0 deletions

diff --git a/plugins/dfcdrom/callbacks.c b/plugins/dfcdrom/callbacks.c
new file mode 100644
index 00000000..09f72f63
--- /dev/null
+++ b/plugins/dfcdrom/callbacks.c
@@ -0,0 +1,210 @@
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#ifdef __linux__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <linux/cdrom.h>
+
+#include <gtk/gtk.h>
+
+#include "cdr.h"
+#include "callbacks.h"
+#include "interface.h"
+#include "support.h"
+
+/* list of drives */
+GList * driveslist = NULL;
+
+/* private functions prototypes */
+void fill_drives_list(void);
+int is_cdrom(char *device);
+
+
+/***************************************************************************
+ * Config Dialog.
+ ***************************************************************************/
+
+void on_cfg_dialog_show (GtkWidget *widget, gpointer user_data)
+{
+	GtkWidget *devcombo;
+	GtkWidget *rmmenu;
+	GtkWidget *subQbtn;
+	GtkWidget *spinC;
+	GtkWidget *spinS;
+
+	LoadConf();
+	fill_drives_list();
+
+	devcombo = lookup_widget (GTK_WIDGET (widget), "cddev_combo");
+	rmmenu   = lookup_widget (GTK_WIDGET (widget), "readmode_optionmenu");
+	subQbtn  = lookup_widget (GTK_WIDGET (widget), "subQ_button");
+	spinC    = lookup_widget (GTK_WIDGET (widget), "spinCacheSize");
+	spinS    = lookup_widget (GTK_WIDGET (widget), "spinCdrSpeed");
+
+	/* show values */
+	gtk_combo_set_popdown_strings (GTK_COMBO (devcombo), driveslist); 
+	gtk_entry_set_text (GTK_ENTRY (GTK_COMBO (devcombo)->entry), CdromDev);
+	gtk_option_menu_set_history (GTK_OPTION_MENU (rmmenu), ReadMode);
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (subQbtn), UseSubQ);
+	gtk_spin_button_set_value (GTK_SPIN_BUTTON(spinC), (float)CacheSize);
+	gtk_spin_button_set_value (GTK_SPIN_BUTTON(spinS), (float)CdrSpeed);
+
+	/* ??? is correct to free? it's a global... */
+	g_list_free(driveslist);
+}
+
+
+void on_cfg_cancelbutton_clicked (GtkButton *button, gpointer user_data)
+{
+	gtk_widget_destroy (gtk_widget_get_toplevel (GTK_WIDGET (button)));
+	gtk_main_quit();
+}
+
+
+void on_cfg_okbutton_clicked (GtkButton *button, gpointer user_data)
+{
+	GtkWidget *deventry;
+	GtkWidget *rmmenu;
+	GtkWidget *subQbtn;
+	GtkWidget *spinC;
+	GtkWidget *spinS;
+	char *tmp;
+
+	deventry = lookup_widget (GTK_WIDGET (button), "cddev_entry");
+	rmmenu   = lookup_widget (GTK_WIDGET (button), "readmode_optionmenu");
+	subQbtn  = lookup_widget (GTK_WIDGET (button), "subQ_button");
+	spinC    = lookup_widget (GTK_WIDGET (button), "spinCacheSize");
+	spinS    = lookup_widget (GTK_WIDGET (button), "spinCdrSpeed");
+
+	tmp = gtk_entry_get_text (GTK_ENTRY (deventry));
+	strcpy(CdromDev, tmp);
+	ReadMode = gtk_option_menu_get_history (GTK_OPTION_MENU(rmmenu));
+	UseSubQ  = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(subQbtn));
+	CacheSize= gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON(spinC));
+	CdrSpeed = gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON(spinS));
+
+	SaveConf();
+
+	gtk_widget_destroy(gtk_widget_get_toplevel (GTK_WIDGET (button)));
+	gtk_main_quit();
+}
+
+
+/***************************************************************************
+ * About Dialog.
+ ***************************************************************************/
+
+void on_abt_okbutton_clicked (GtkButton *button, gpointer user_data)
+{
+	gtk_widget_destroy (gtk_widget_get_toplevel (GTK_WIDGET (button)));
+	gtk_main_quit();
+}
+
+
+/***************************************************************************
+ * Private functions.
+ ***************************************************************************/
+
+/*
+ * get_drives_list: retrieves available cd drives. At the moment it use a quite
+ * ugly "brute force" method: we check for the most common location for cdrom
+ * in /dev and chech if they are cdrom devices.
+ * If your cdrom path is not listed here you'll have to type it in the dialog
+ * entry yourself (or add it here and recompile).
+ * Are there any other common entry to add to the list? (especially scsi, I
+ * deliberately ignored old non standard cdroms... )
+ * If you come up with a better method let me know!!
+ */
+
+void fill_drives_list(void)
+{
+	int i = 0;
+	static char *cdrom_devices[]={
+		"/dev/cdrom",
+		"/dev/cdroms/cdrom0",
+		"/dev/cdroms/cdrom1",
+		"/dev/cdroms/cdrom2",
+		"/dev/cdroms/cdrom3",				
+		"/dev/hda",
+		"/dev/hdb",
+		"/dev/hdc",
+		"/dev/hdd",
+		"/dev/scd0",
+		"/dev/scd1",
+		"/dev/scd2",
+		"/dev/scd3",		
+		"/dev/optcd",
+		NULL};
+
+	/* fisrt we put our current drive */
+	driveslist = g_list_append(driveslist, CdromDev);
+
+	/* scan cdrom_devices for real cdrom and add them to driveslist */ 
+	while(cdrom_devices[i] != NULL){
+	
+		/* check that is not our current dev (already in list) */
+		if (strcmp(cdrom_devices[i], CdromDev) != 0){
+		
+			/* check that is a cdrom device */
+			if (is_cdrom(cdrom_devices[i])){
+				driveslist = g_list_append(driveslist, cdrom_devices[i]);
+			}
+		}
+		++i;
+	}
+
+	return;
+}
+
+
+/* function to check if the device is a cdrom */
+int is_cdrom(char *device){
+	struct stat st;
+	int fd = -1;
+
+	/* check if the file exist */
+	if (stat(device, &st) <0) return 0;
+
+	/* check if is a block or char device */
+	if (!S_ISCHR(st.st_mode) && !S_ISBLK(st.st_mode)) return 0;
+
+	/* try to open the device file descriptor */
+	if ((fd = open(device, O_RDONLY | O_NONBLOCK)) < 0) return 0;
+
+	/* I need a method to check is a device is really a cdrom.
+	   some problems/ideas are:
+	   - different protocls (ide, scsi, old proprietary...)
+ 	   - maybe we can use major number (see linux/major.h) to do some check.
+	     major number can be retrieved with (st.st_rdev>>8)
+	     scsi has SCSI_CDROM_MAJOR but does this cover all scsi drives?
+	     beside IDE major is the same for hard disks and cdroms...
+	     and DVDs?
+	   - another idea is to parse /proc, but again IDE, scsi etc have 
+	     different files... I've not found a way to query "which cd drives
+	     are available?"
+
+	   Now I use this ioctl which works also if the drive is empty,
+	   I hope that is implemented for all the drives... here works
+	   fine: at least doesn't let me to select my HD as cds ;)
+	*/ 
+	/* try a ioctl to see if it's a cdrom device */
+	if (ioctl(fd, CDROM_GET_CAPABILITY, NULL) < 0){
+		close(fd);
+		return 0;
+	}
+
+	close(fd);
+
+	/* yes, it seems a cd drive! */
+	return 1;
+}
+
+#endif