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

   1 /* Copyright (c) 2006 by Arkkra Enterprises */
   2 /* All rights reserved */
   3
   4 #ifndef _RUN_H_
   5 #define _RUN_H_
   6
   7 // Classes for Run menu off of main toolbar
   8
   9 #include <FL/Fl.H>
  10 #include <FL/Fl_Double_Window.H>
  11 #include <FL/Fl_Text_Editor.H>
  12 #include <FL/Fl_Input.H>
  13 #include <FL/Fl_Button.H>
  14 #include <FL/Fl_Return_Button.H>
  15 #include <FL/Fl_Check_Button.H>
  16 #include <FL/Fl_Value_Input.H>
  17 #include "globals.H"
  18 #include "File.H"
  19 #include "Config.H"
  20 #include <stdio.h>
  21 #include <sys/types.h>
  22 #ifdef OS_LIKE_UNIX
  23 #include <signal.h>
  24 #endif
  25 #ifdef OS_LIKE_WIN32
  26 #include <windef.h>
  27 #include <winbase.h>
  28 #include <winnt.h>
  29 #include <process.h>
  30 #endif
  31
  32 // Information about a non-waited-for process
  33 #ifdef OS_LIKE_WIN32
  34 typedef PROCESS_INFORMATION Proc_Info;
  35 #else
  36 typedef pid_t Proc_Info;
  37 #endif
  38
  39 // We limit the number of macros user can define,
  40 // to fit in a reasonably small dialog window.
  41 #define MAX_MACROS      5
  42
  43
  44 // Class for asking user what arguments to pass to Mup when running it
  45
  46 class Run_parameters_dialog : Fl_Double_Window {
  47
  48 friend class Run;
  49
  50 public:
  51         Run_parameters_dialog(void);
  52         ~Run_parameters_dialog(void);
  53
  54         // Callbacks
  55         static void combine_cb(Fl_Widget *, void * data);
  56         static void extract_cb(Fl_Widget *, void * data);
  57         static void selected_pages_cb(Fl_Widget *, void * data);
  58         static void clear_form_cb(Fl_Widget *, void * data);
  59         static void Macros_cb(Fl_Widget *, void * data);
  60         static void Save_cb(Fl_Widget *, void * data);
  61         static void Cancel_cb(Fl_Widget *, void * data);
  62
  63         // Returns true if macro definition is invalid.
  64         static bool macro_error(const char * macro);
  65
  66 private:
  67         // Callbacks
  68         void combine(void);
  69         void extract(void);
  70         void selected_pages(void);
  71         void clear_form(void);
  72         void Macros(void);
  73         void Save(void);
  74         void Cancel(void);
  75
  76         // Widgets
  77         Fl_Check_Button * enable_combine_p;
  78         Positive_Int_Input * rest_combine_p;
  79         Positive_Int_Input * first_page_p;
  80         Fl_Group * pages_p;
  81           Fl_Check_Button * all_p;
  82           Fl_Check_Button * odd_p;
  83           Fl_Check_Button * even_p;
  84           Fl_Check_Button * selected_p;
  85           Fl_Input * page_list_p;
  86         Fl_Input * staff_list_p;
  87         Int_Input * extract_begin_p;
  88         Int_Input * extract_end_p;
  89         Fl_Group * macros_group_p;
  90           Fl_Input * macro_definitions_p[MAX_MACROS];
  91         Fl_Return_Button * save_p;
  92         Fl_Button * clear_form_p;
  93         Fl_Button * cancel_p;
  94
  95         // Saved values for run parameters
  96         bool saved_enable_combine;
  97         char saved_combine_measures[8];
  98         char saved_first_page[8];
  99         enum { ALL_PAGES, ODD_PAGES, EVEN_PAGES, SELECTED_PAGES } saved_pages;
 100         char * saved_page_list;
 101         char * saved_staff_list;
 102         char saved_extract_begin[8];
 103         char saved_extract_end[8];
 104         char * saved_macro_definitions[MAX_MACROS];
 105 };
 106
 107
 108 // Class for displaying stderr output from Mup to user
 109
 110 class Error_report : public Fl_Double_Window
 111 {
 112 public:
 113         Error_report(void);
 114         ~Error_report(void);
 115
 116         // Reads the file where stderr was saved
 117         int loadfile(const char * filename);
 118
 119         // Callbacks
 120         static void OK_cb(Fl_Widget *, void *);
 121         static void font_change_cb(void * data, Fl_Font font, unsigned char size);
 122
 123 private:
 124         // Callbacks
 125         void font_change(Fl_Font font, unsigned char size);
 126         void OK(void);
 127
 128         // Widgets
 129         Fl_Text_Display * text_p;
 130         Font_change_registration * font_change_reg_p;
 131         Fl_Return_Button * ok_p;
 132 };
 133
 134
 135
 136 // Class for the Run menu on the main menu bar
 137
 138 class Run {
 139
 140 friend class File;      // For auto-display
 141
 142 public:
 143         Run(void);
 144         ~Run(void);
 145
 146         // To know which file to run Mup on
 147         void set_file(File * file);
 148         // Kill off child processes
 149         void clean_up(void);
 150
 151         // Callbacks
 152         static void Display_cb(Fl_Widget *, void * data);
 153         static void Play_cb(Fl_Widget *, void * data);
 154         static void WritePostScript_cb(Fl_Widget *, void * data);
 155         static void WriteMIDI_cb(Fl_Widget *, void * data);
 156         static void Options_cb(Fl_Widget *, void * data);
 157
 158 private:
 159         // Callbacks
 160         void Display(void);
 161         void Play(void);
 162         void WritePostScript(void);
 163         void WriteMIDI(void);
 164         void Options(void);
 165
 166         // This runs Mup and maybe viewer/player
 167         void Run_Mup(bool midi, bool show_or_play);
 168
 169         // Execute the command with given argv.
 170         // If proc_info_p is zero, wait for the process to complete,
 171         // otherwise fill it in with information about the spawned process,
 172         // so that the caller can keep track of it while it runs independently.
 173         // The hide_window parameter is only used for Windows and causes the
 174         // spawned process to be created with flags to not create a window,
 175         // This lets us use a console mode version of Mup, so traditional users
 176         // can continue to run Mup in a console without mupmate, but we can
 177         // run the same .exe without the annoyance of a console popping up.
 178         // Returns 0 on success, -1 on failure to create process,
 179         // or what the process returned if it had non-zero exit code
 180         // and was waited for. If a not-waited-for process returns 0,
 181         // proc_info_p will contain handle or pid information.
 182         int execute_command(const char **argv, Proc_Info * proc_info_p,
 183                                                 bool hide_window = false);
 184
 185         // kill off a previously spawned child process
 186         void kill_process(const Proc_Info * const proc_info_p,
 187                                         const char * const description);
 188
 189         // Report if we have running helper programs
 190         bool has_MIDI_child(void);
 191         bool has_display_child(void);
 192
 193 #ifdef OS_LIKE_WIN32
 194         // To check if using displayer/player we know how to handle specially
 195         static bool is_gsview(const char * command);
 196         static bool is_mplayer(const char * command);
 197 #endif
 198
 199         // Widgets
 200         Run_parameters_dialog * parameters_p;
 201         Error_report * report_p;
 202         File * file_p;
 203
 204         // Handles for child processes
 205         Proc_Info display_child;
 206         Proc_Info MIDI_child;
 207 };
 208
 209 #endif