| 1 | // =============================================================== // |
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| 2 | // // |
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| 3 | // File : sec_graphic.hxx // |
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| 4 | // Purpose : interface to structure GUI // |
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| 5 | // // |
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| 6 | // Institute of Microbiology (Technical University Munich) // |
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| 7 | // http://www.arb-home.de/ // |
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| 8 | // // |
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| 9 | // =============================================================== // |
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| 10 | |
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| 11 | |
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| 12 | #ifndef SEC_GRAPHIC_HXX |
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| 13 | #define SEC_GRAPHIC_HXX |
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| 14 | |
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| 15 | #ifndef _GLIBCXX_CCTYPE |
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| 16 | #include <cctype> |
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| 17 | #endif |
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| 18 | #ifndef AWT_CANVAS_HXX |
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| 19 | #include <awt_canvas.hxx> |
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| 20 | #endif |
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| 21 | |
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| 22 | using namespace AW; |
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| 23 | |
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| 24 | // names for database: |
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| 25 | #define NAME_OF_STRUCT_SEQ "_STRUCT" |
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| 26 | #define NAME_OF_REF_SEQ "_REF" |
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| 27 | |
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| 28 | class SEC_root; |
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| 29 | |
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| 30 | enum SEC_update_request { |
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| 31 | SEC_UPDATE_OK = 0, // no update needed |
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| 32 | SEC_UPDATE_ZOOM_RESET = 1, // zoom reset needed |
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| 33 | SEC_UPDATE_SHOWN_POSITIONS = 2, // recalculation of shown positions needed |
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| 34 | SEC_UPDATE_RECOUNT = 4, // complete relayout needed |
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| 35 | SEC_UPDATE_RELOAD = 8, // reload structure from DB |
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| 36 | }; |
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| 37 | |
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| 38 | class SEC_base; |
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| 39 | |
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| 40 | class SEC_graphic : public AWT_graphic, virtual Noncopyable { |
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| 41 | SEC_update_request update_requested; |
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| 42 | char *load_error; // error occurred during load() |
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| 43 | |
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| 44 | void update_structure() {} |
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| 45 | |
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| 46 | protected: |
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| 47 | |
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| 48 | AW_device *disp_device; // device for recursive functions |
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| 49 | |
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| 50 | GB_ERROR handleKey(AW_event_type event, AW_key_mod key_modifier, AW_key_code key_code, char key_char); |
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| 51 | GB_ERROR handleMouse(AW_device *device, AW_event_type event, int button, AWT_COMMAND_MODE cmd, const Position& world, SEC_base *elem, int abspos); |
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| 52 | |
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| 53 | public: |
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| 54 | |
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| 55 | GBDATA *gb_main; |
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| 56 | AW_root *aw_root; |
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| 57 | SEC_root *sec_root; |
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| 58 | |
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| 59 | GBDATA *gb_struct; // used to save the structure |
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| 60 | GBDATA *gb_struct_ref; // used to save reference numbers |
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| 61 | |
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| 62 | mutable long last_saved; // the transaction serial id when we last saved everything |
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| 63 | |
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| 64 | // *********** public section |
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| 65 | SEC_graphic(AW_root *aw_root, GBDATA *gb_main); |
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| 66 | ~SEC_graphic() OVERRIDE; |
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| 67 | |
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| 68 | AW_gc_manager *init_devices(AW_window *, AW_device *, AWT_canvas *scr) OVERRIDE; |
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| 69 | |
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| 70 | void show(AW_device *device) OVERRIDE; |
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| 71 | void handle_command(AW_device *device, AWT_graphic_event& event) OVERRIDE; |
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| 72 | |
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| 73 | GB_ERROR load(GBDATA *gb_main, const char *name) OVERRIDE; // load structure from DB |
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| 74 | GB_ERROR save(GBDATA *gb_main, const char *name) OVERRIDE; // save structure to DB |
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| 75 | int check_update(GBDATA *gb_main) OVERRIDE; // perform requested updates |
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| 76 | void update(GBDATA *gb_main) OVERRIDE; |
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| 77 | |
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| 78 | GB_ERROR write_data_to_db(const char *data, const char *x_string) const; |
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| 79 | GB_ERROR read_data_from_db(char **data, char **x_string) const; |
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| 80 | |
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| 81 | void request_update(SEC_update_request req) { update_requested = static_cast<SEC_update_request>(update_requested|req); } |
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| 82 | }; |
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| 83 | |
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| 84 | |
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| 85 | #endif |
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