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+/* xsane -- a graphical (X11, gtk) scanner-oriented SANE frontend
+
+ xsane-back-gtk.h
+
+ Oliver Rauch <Oliver.Rauch@Wolfsburg.DE>
+ Copyright (C) 1998-2000 Oliver Rauch
+ This file is part of the XSANE package.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#ifndef xsane_back_gtk_h
+#define xsane_back_gtk_h
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+#include <sys/types.h>
+
+#include <gtk/gtk.h>
+
+#include <sane/config.h>
+#include <sane/sane.h>
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+enum
+{
+ XSANE_PATH_LOCAL_SANE = 0,
+ XSANE_PATH_SYSTEM,
+ XSANE_PATH_TMP
+};
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+struct GSGDialog;
+
+typedef void (*GSGCallback) (struct GSGDialog *dialog, void *arg);
+typedef GtkWidget *(*XSANECallback) (void);
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef enum
+ {
+ xsane_back_gtk_TL_X, /* top-left x */
+ xsane_back_gtk_TL_Y, /* top-left y */
+ xsane_back_gtk_BR_X, /* bottom-right x */
+ xsane_back_gtk_BR_Y /* bottom-right y */
+ }
+GSGCornerCoordinates;
+
+/* ---------------------------------------------------------------------------------------------------------------------- */
+
+typedef struct
+ {
+ /* The option number of the well-known options. Each of these may
+ be -1 in case the backend doesn't define the respective option. */
+ int scanmode;
+ int scansource;
+ int preview;
+ int dpi;
+ int dpi_x;
+ int dpi_y;
+ int coord[4];
+ int gamma_vector;
+ int gamma_vector_r;
+ int gamma_vector_g;
+ int gamma_vector_b;
+ int bit_depth;
+ }
+GSGWellKnownOptions;
+
+typedef struct
+ {
+ gchar *label;
+ struct GSGDialogElement *elem;
+ gint index;
+ }
+GSGMenuItem;
+
+typedef struct GSGDialogElement
+ {
+ struct GSGDialog *dialog; /* wasteful, but is there a better solution? */
+ GtkWidget *automatic; /* auto button for options that support this */
+ GtkWidget *widget;
+ GtkObject *data;
+ int menu_size; /* # of items in menu (if any) */
+ GSGMenuItem *menu;
+ }
+GSGDialogElement;
+
+typedef struct GSGDialog
+ {
+ GtkWidget *xsane_window;
+ GtkWidget *standard_window;
+ GtkWidget *advanced_window;
+ GtkWidget *xsane_hbox;
+ GtkWidget *standard_hbox;
+ GtkWidget *advanced_hbox;
+ GtkWidget *xsanemode_widget;
+ GtkTooltips *tooltips;
+ GdkColor tooltips_fg;
+ GdkColor tooltips_bg;
+ SANE_Handle *dev;
+ const char *dev_name;
+ GSGWellKnownOptions well_known;
+ int num_elements;
+ GSGDialogElement *element;
+ gint idle_id;
+ u_int rebuild : 1;
+ /* This callback gets invoked whenever the backend notifies us
+ that the option descriptors have changed. */
+ GSGCallback option_reload_callback;
+ void *option_reload_arg;
+ /* This callback gets invoked whenever the backend notifies us
+ that the parameters have changed. */
+ GSGCallback param_change_callback;
+ void *param_change_arg;
+ XSANECallback update_xsane_callback;
+ void *update_xsane_arg;
+ int pixelcolor;
+ }
+GSGDialog;
+
+extern int xsane_back_gtk_message_dialog_active;
+
+/* Construct the path and return it in filename_ret (this buffer must
+ be at least max_len bytes long). The path is constructed as
+ follows:
+
+ ~/.sane/${PROG_NAME}/${PREFIX}${DEV_NAME}${POSTFIX}
+
+ If PROG_NAME is NULL, an empty string is used and the leading slash
+ is removed. On success, 0 is returned, on error a negative number and
+ ERRNO is set to the appropriate value. */
+extern int xsane_back_gtk_make_path(size_t max_len, char *filename_ret,
+ const char *prog_name,
+ const char *dir_name,
+ const char *prefix, const char *dev_name,
+ const char *postfix,
+ int local);
+extern gint xsane_back_gtk_decision(gchar *title, gchar** icon_xpm, gchar *message, gchar *oktext, gchar *rejecttext, gint wait);
+extern void xsane_back_gtk_message(gchar *title, gchar** icon_xpm, gchar *message, gint wait);
+extern void xsane_back_gtk_error(gchar *error_message, gint wait);
+extern void xsane_back_gtk_warning(gchar *warning_message, gint wait);
+extern int xsane_back_gtk_get_filename(const char *label, const char *default_name,
+ size_t max_len, char *filename, int show_fileopts);
+
+extern void xsane_back_gtk_sync(GSGDialog *dialog);
+extern void xsane_back_gtk_update_vector(GSGDialog *dialog, int opt_num, SANE_Int *vector);
+extern void xsane_back_gtk_refresh_dialog(GSGDialog *dialog);
+extern void xsane_back_gtk_update_scan_window(GSGDialog *dialog);
+extern void xsane_back_gtk_set_advanced(GSGDialog *dialog, int advanced);
+extern void xsane_back_gtk_set_tooltips(GSGDialog *dialog, int enable);
+extern void xsane_back_gtk_set_tooltip(GtkTooltips *tooltips, GtkWidget *widget, const char *desc);
+extern void xsane_back_gtk_set_sensitivity(GSGDialog *dialog, int sensitive);
+extern void xsane_set_sensitivity(SANE_Int sensitivity);
+extern void xsane_back_gtk_destroy_dialog(GSGDialog *dialog);
+extern void xsane_back_gtk_set_option(GSGDialog * dialog, int opt_num, void *val, SANE_Action action);
+extern GtkWidget *xsane_back_gtk_group_new (GtkWidget *parent, const char * title);
+extern void xsane_back_gtk_button_new(GtkWidget * parent, const char *name, SANE_Word val,
+ GSGDialogElement *elem, GtkTooltips *tooltips, const char *desc, SANE_Int settable);
+extern void xsane_back_gtk_scale_new(GtkWidget * parent, const char *name, gfloat val,
+ gfloat min, gfloat max, gfloat quant, int automatic,
+ GSGDialogElement *elem, GtkTooltips *tooltips, const char *desc, SANE_Int settable);
+extern void xsane_back_gtk_option_menu_new(GtkWidget *parent, const char *name, char *str_list[],
+ const char *val, GSGDialogElement * elem, GtkTooltips *tooltips, const char *desc, SANE_Int settable);
+extern void xsane_back_gtk_text_entry_new(GtkWidget *parent, const char *name, const char *val,
+ GSGDialogElement *elem, GtkTooltips *tooltips, const char *desc, SANE_Int settable);
+extern void xsane_back_gtk_push_button_callback(GtkWidget * widget, gpointer data);
+extern const char *xsane_back_gtk_unit_string(SANE_Unit unit);
+void xsane_set_window_icon(GtkWidget *gtk_window, gchar **xpm_d);
+
+#define xsane_back_gtk_dialog_get_device(dialog) ((dialog)->dev)
+
+#endif /* gtkglue_h */
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