mdw@git.distorted.org.uk Git - mup/blob - mup/mupmate/File.H

   1 /* Copyright (c) 2006 by Arkkra Enterprises */
   2 /* All rights reserved */
   3
   4 #ifndef _FILE_H_
   5 #define _FILE_H_
   6
   7 #include <FL/Fl.H>
   8 #include <FL/Fl_Widget.H>
   9 #include <FL/Fl_Double_Window.H>
  10 #include <FL/Fl_Box.H>
  11 #include <FL/Fl_Input.H>
  12 #include <FL/Fl_Text_Editor.H>
  13 #include <FL/Fl_File_Browser.H>
  14 #include <FL/Fl_Button.H>
  15 #include <FL/Fl_Return_Button.H>
  16 #include <FL/Fl_Choice.H>
  17 #include <FL/filename.H>
  18
  19 class Main;
  20
  21
  22 // Class used to ask user if they want to save changes.
  23 // The FLTK fl_choice doesn't do quite what we want, so we make our own...
  24
  25 class Save_confirm_dialog : Fl_Double_Window {
  26 public:
  27         enum Answer { Cancel, No, Yes };
  28
  29         // This brings up the dialog
  30         static Answer confirm_save(const char * text, bool hide_the_No = false);
  31
  32 private:
  33         Save_confirm_dialog(const char * text);
  34         ~Save_confirm_dialog(void);
  35
  36         // Widgets
  37         Fl_Box * icon_p;
  38         Fl_Box * message_p;
  39         Fl_Return_Button * yes_p;
  40         Fl_Button * no_p;
  41         Fl_Button * cancel_p;
  42 };
  43
  44
  45
  46 // Class for the items off of "File" on the main menu bar
  47
  48 class File {
  49
  50 friend class Run;
  51
  52 public:
  53         File();
  54         ~File();
  55
  56         // Callbacks
  57         static void modify_cb(int, int, int, int, const char *, void * data);
  58         static void New_cb(Fl_Widget *, void * data);
  59         static void NewFromTemplate_cb(Fl_Widget *, void * data);
  60         static void Open_cb(Fl_Widget *, void * data);
  61         static void Save_cb(Fl_Widget *, void * data);
  62         static void SaveAs_cb(Fl_Widget *, void * data);
  63         static void Exit_cb(Fl_Widget *, void * data);
  64
  65         // Load a file into the text editor
  66         void load_file(const char * name);
  67
  68         // Give access to the text editor buffer
  69         Fl_Text_Buffer * get_buffer() { return editor_p->buffer(); }
  70
  71         // Gives real filename, or "Untitled.mup" if there is none
  72         const char * effective_filename();
  73
  74         // This class needs access to Main class and its text editor.
  75         // Creator should call these to point to the proper instances
  76         void set_editor(Fl_Text_Editor * ed_p);
  77         void set_parent(Main * main_p);
  78
  79         // These show the dialog and return the file name the user enters.
  80         const char * open_ask_user(void);
  81         const char * save_as_ask_user(void);
  82
  83         // Ask user if they want to save the currently unsaved changes.
  84         Save_confirm_dialog::Answer save_changes_check(const char * extra_text = "",
  85                                                 bool hide_the_No = false);
  86
  87 #ifndef OS_LIKE_WIN32
  88         // Make icon for Mup files.
  89         static void add_mup_icon(void);
  90 #endif
  91
  92
  93 private:
  94         // Callbacks
  95         void New(void);
  96         void Open(void);
  97         void NewFromTemplate(void);
  98         void Save(bool honor_auto_display = true);
  99         void SaveAs(bool honor_auto_display = true);
 100         void Exit(void);
 101
 102         // Write out the current file
 103         void save_file(bool honor_auto_display);
 104
 105         // Put current file name in window label
 106         void set_window_label(void);
 107
 108         // Reset things for starting to edit a different file
 109         void begin_new_file(void);
 110
 111         // The name of file being edited
 112         char * filename;
 113
 114         // If buffer has changed since last being saved
 115         bool unsaved_changes;
 116
 117         // Pointers to other class instances we need
 118         Fl_Text_Editor * editor_p;
 119         Main * parent_window_p;
 120 };
 121
 122 #endif