X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/1d1bc3c1f9e862a76235bb69a4e419136b0f54a3..ecb510183ad77bf7ce7b3a4e2a25ed3364e928ed:/src/acquire.h

diff --git a/src/acquire.h b/src/acquire.h
index cd196022..6b8a7a88 100644
--- a/src/acquire.h
+++ b/src/acquire.h
@@ -22,6 +22,71 @@
 #ifndef _VIKING_ACQUIRE_H
 #define _VIKING_ACQUIRE_H
 
-void a_acquire_from_gps ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp );
+#include <gtk/gtk.h>
+
+#include "vikwindow.h"
+#include "viklayerspanel.h"
+#include "vikviewport.h"
+
+typedef struct _VikDataSourceInterface VikDataSourceInterface;
+
+/* global data structure used to expose the progress dialog to the worker thread */
+typedef struct {
+  GtkWidget *status;
+  VikWindow *vw;
+  VikLayersPanel *vlp;
+  VikViewport *vvp;
+  GtkWidget *dialog;
+  gboolean ok; /* if OK is false when we exit, we MUST free w */
+  VikDataSourceInterface *interface;
+  gpointer user_data;
+} acq_dialog_widgets_t;
+
+typedef enum { VIK_DATASOURCE_GPSBABEL_DIRECT, VIK_DATASOURCE_SHELL_CMD } vik_datasource_type_t;
+typedef enum { VIK_DATASOURCE_CREATENEWLAYER, VIK_DATASOURCE_ADDTOLAYER } vik_datasource_mode_t;
+
+
+/* returns pointer to state if OK, otherwise NULL */
+typedef gpointer (*VikDataSourceInitFunc) ();
+
+/* returns NULL if OK, otherwise returns an error message. */
+typedef gchar *(*VikDataSourceCheckExistenceFunc) ();
+
+/* Create widgets to show in a setup dialog, set up state via user_data */
+typedef void (*VikDataSourceAddSetupWidgetsFunc) ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
+
+/* if VIK_DATASOURCE_GPSBABEL_DIRECT, babelargs and inputfile.
+   if VIK_DATASOURCE_SHELL_CMD, shellcmd and inputtype.
+   set both to NULL to signal refusal (ie already downloading) */
+typedef void (*VikDataSourceGetCmdStringFunc) ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype );
+
+/* */
+typedef void  (*VikDataSourceProgressFunc)  (gpointer c, gpointer data, acq_dialog_widgets_t *w);
+
+/* Creates widgets to show in a progress dialog, may set up state via user_data */
+typedef void  (*VikDataSourceAddProgressWidgetsFunc) ( GtkWidget *dialog, gpointer user_data );
+
+/* Frees any widgets created for the setup or progress dialogs, any allocated state, etc. */
+typedef void (*VikDataSourceCleanupFunc) ( gpointer user_data );
+
+
+struct _VikDataSourceInterface {
+  const gchar *window_title;
+  const gchar *layer_title;
+  vik_datasource_type_t type;
+  vik_datasource_type_t mode;
+
+  VikDataSourceInitFunc init_func;
+  VikDataSourceCheckExistenceFunc check_existence_func;
+  VikDataSourceAddSetupWidgetsFunc add_setup_widgets_func;      
+  VikDataSourceGetCmdStringFunc get_cmd_string_func; 
+
+  VikDataSourceProgressFunc progress_func;
+  VikDataSourceAddProgressWidgetsFunc add_progress_widgets_func;
+  VikDataSourceCleanupFunc cleanup_func;
+};
+
+
+void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *interface );
 
 #endif