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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 *interface; | |
42 | gpointer user_data; | |
43 | } acq_dialog_widgets_t; | |
44 | ||
45 | typedef enum { VIK_DATASOURCE_GPSBABEL_DIRECT, VIK_DATASOURCE_SHELL_CMD } vik_datasource_type_t; | |
46 | typedef enum { VIK_DATASOURCE_CREATENEWLAYER, VIK_DATASOURCE_ADDTOLAYER } vik_datasource_mode_t; | |
47 | ||
48 | ||
49 | /* returns pointer to state if OK, otherwise NULL */ | |
50 | typedef gpointer (*VikDataSourceInitFunc) (); | |
51 | ||
52 | /* returns NULL if OK, otherwise returns an error message. */ | |
53 | typedef gchar *(*VikDataSourceCheckExistenceFunc) (); | |
54 | ||
55 | /* Create widgets to show in a setup dialog, set up state via user_data */ | |
56 | typedef void (*VikDataSourceAddSetupWidgetsFunc) ( GtkWidget *dialog, VikViewport *vvp, gpointer user_data ); | |
57 | ||
58 | /* if VIK_DATASOURCE_GPSBABEL_DIRECT, babelargs and inputfile. | |
59 | if VIK_DATASOURCE_SHELL_CMD, shellcmd and inputtype. | |
60 | set both to NULL to signal refusal (ie already downloading) */ | |
61 | typedef void (*VikDataSourceGetCmdStringFunc) ( gpointer user_data, gchar **babelargs_or_shellcmd, gchar **inputfile_or_inputtype ); | |
62 | ||
63 | /* */ | |
64 | typedef void (*VikDataSourceProgressFunc) (gpointer c, gpointer data, acq_dialog_widgets_t *w); | |
65 | ||
66 | /* Creates widgets to show in a progress dialog, may set up state via user_data */ | |
67 | typedef void (*VikDataSourceAddProgressWidgetsFunc) ( GtkWidget *dialog, gpointer user_data ); | |
68 | ||
69 | /* Frees any widgets created for the setup or progress dialogs, any allocated state, etc. */ | |
70 | typedef void (*VikDataSourceCleanupFunc) ( gpointer user_data ); | |
71 | ||
72 | ||
73 | struct _VikDataSourceInterface { | |
74 | const gchar *window_title; | |
75 | const gchar *layer_title; | |
76 | vik_datasource_type_t type; | |
77 | vik_datasource_type_t mode; | |
78 | ||
79 | VikDataSourceInitFunc init_func; | |
80 | VikDataSourceCheckExistenceFunc check_existence_func; | |
81 | VikDataSourceAddSetupWidgetsFunc add_setup_widgets_func; | |
82 | VikDataSourceGetCmdStringFunc get_cmd_string_func; | |
83 | ||
84 | VikDataSourceProgressFunc progress_func; | |
85 | VikDataSourceAddProgressWidgetsFunc add_progress_widgets_func; | |
86 | VikDataSourceCleanupFunc cleanup_func; | |
87 | }; | |
88 | ||
89 | ||
90 | void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *interface ); | |
91 | ||
92 | #endif |