src/acquire.h

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifndef _VIKING_ACQUIRE_H
  23 #define _VIKING_ACQUIRE_H
  24
  25 #include <gtk/gtk.h>
  26
  27 #include "vikwindow.h"
  28 #include "viklayerspanel.h"
  29 #include "vikviewport.h"
  30
  31 typedef struct _VikDataSourceInterface VikDataSourceInterface;
  32
  33 /* global data structure used to expose the progress dialog to the worker thread */
  34 typedef struct {
  35   GtkWidget *status;
  36   VikWindow *vw;
  37   VikLayersPanel *vlp;
  38   VikViewport *vvp;
  39   GtkWidget *dialog;
  40   gboolean ok; /* if OK is false when we exit, we MUST free w */
  41   VikDataSourceInterface *source_interface;
  42   gpointer user_data;
  43 } acq_dialog_widgets_t;
  44
  45 typedef enum {
  46   VIK_DATASOURCE_GPSBABEL_DIRECT,
  47   VIK_DATASOURCE_URL,
  48   VIK_DATASOURCE_SHELL_CMD
  49 } vik_datasource_type_t;
  50
  51 typedef enum {
  52   VIK_DATASOURCE_CREATENEWLAYER,
  53   VIK_DATASOURCE_ADDTOLAYER
  54 } vik_datasource_mode_t;
  55 /* TODO: replace track/layer? */
  56
  57 typedef enum {
  58   VIK_DATASOURCE_INPUTTYPE_NONE = 0,
  59   VIK_DATASOURCE_INPUTTYPE_TRWLAYER,
  60   VIK_DATASOURCE_INPUTTYPE_TRACK,
  61   VIK_DATASOURCE_INPUTTYPE_TRWLAYER_TRACK
  62 } vik_datasource_inputtype_t;
  63
  64
  65 /* returns pointer to state if OK, otherwise NULL */
  66 typedef gpointer (*VikDataSourceInitFunc) ();
  67
  68 /* returns NULL if OK, otherwise returns an error message. */
  69 typedef gchar *(*VikDataSourceCheckExistenceFunc) ();
  70
  71 /* Create widgets to show in a setup dialog, set up state via user_data */
  72 typedef void (*VikDataSourceAddSetupWidgetsFunc) ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data );
  73
  74 /* if VIK_DATASOURCE_GPSBABEL_DIRECT, babelargs and inputfile.
  75    if VIK_DATASOURCE_SHELL_CMD, shellcmd and inputtype.
  76    if VIK_DATASOURCE_URL, url and inputtype.
  77    set both to NULL to signal refusal (ie already downloading) */
  78 typedef void (*VikDataSourceGetCmdStringFunc) ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype );
  79
  80 typedef void (*VikDataSourceGetCmdStringFuncWithInput) ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype, const gchar *input_file_name );
  81 typedef void (*VikDataSourceGetCmdStringFuncWithInputInput) ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype, const gchar *input_file_name, const gchar *input_track_file_name );
  82
  83 /* */
  84 typedef void  (*VikDataSourceProgressFunc)  (gpointer c, gpointer data, acq_dialog_widgets_t *w);
  85
  86 /* Creates widgets to show in a progress dialog, may set up state via user_data */
  87 typedef void  (*VikDataSourceAddProgressWidgetsFunc) ( GtkWidget *dialog, gpointer user_data );
  88
  89 /* Frees any widgets created for the setup or progress dialogs, any allocated state, etc. */
  90 typedef void (*VikDataSourceCleanupFunc) ( gpointer user_data );
  91
  92
  93 struct _VikDataSourceInterface {
  94   const gchar *window_title;
  95   const gchar *layer_title;
  96   vik_datasource_type_t type;
  97   vik_datasource_mode_t mode;
  98   vik_datasource_inputtype_t inputtype;
  99   gboolean keep_dialog_open; /* when done */
 100
 101
 102   /*** Manual UI Building ***/
 103   VikDataSourceInitFunc init_func;
 104   VikDataSourceCheckExistenceFunc check_existence_func;
 105   VikDataSourceAddSetupWidgetsFunc add_setup_widgets_func;
 106   /***                    ***/
 107
 108   /* or VikDataSourceGetCmdStringFuncWithInput, if inputtype is not NONE */
 109   VikDataSourceGetCmdStringFunc get_cmd_string_func;
 110
 111   VikDataSourceProgressFunc progress_func;
 112   VikDataSourceAddProgressWidgetsFunc add_progress_widgets_func;
 113   VikDataSourceCleanupFunc cleanup_func;
 114
 115
 116   /*** UI Building        ***/
 117   VikLayerParam *                   params;
 118   guint16                           params_count;
 119   VikLayerParamData *               params_defaults;
 120   gchar **                          params_groups;
 121   guint8                            params_groups_count;
 122
 123 };
 124
 125 /**********************************/
 126 /**********************************/
 127 /**********************************/
 128
 129 /* for sources with no input data */
 130 void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *source_interface );
 131
 132 /* Create a sub menu intended for rightclicking on a TRWLayer. menu called "Filter"
 133  * returns NULL if no filters */
 134 GtkWidget *a_acquire_trwlayer_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl);
 135
 136 /* Create a sub menu intended for rightclicking on a TRWLayer. menu called "Filter with Track "TRACKNAME"..."
 137  * returns NULL if no filters or no filter track has been set
 138  */
 139 GtkWidget *a_acquire_trwlayer_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrwLayer *vtl);
 140
 141 /* Create a sub menu intended for rightclicking on a track. menu called "Filter"
 142  * returns NULL if no applicable filters */
 143 GtkWidget *a_acquire_track_menu (VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikTrack *tr);
 144
 145 /* sets aplication-wide track to use with filter. references the track. */
 146 void a_acquire_set_filter_track ( VikTrack *tr, const gchar *name );
 147
 148
 149 #endif