1 | // |
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2 | // "$Id: demo.cxx 8252 2011-01-11 10:36:44Z manolo $" |
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3 | // |
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4 | // Main demo program for the Fast Light Tool Kit (FLTK). |
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5 | // |
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6 | // Copyright 1998-2010 by Bill Spitzak and others. |
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7 | // |
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8 | // This library is free software; you can redistribute it and/or |
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9 | // modify it under the terms of the GNU Library General Public |
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10 | // License as published by the Free Software Foundation; either |
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11 | // version 2 of the License, or (at your option) any later version. |
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12 | // |
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13 | // This library is distributed in the hope that it will be useful, |
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14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 | // Library General Public License for more details. |
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17 | // |
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18 | // You should have received a copy of the GNU Library General Public |
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19 | // License along with this library; if not, write to the Free Software |
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20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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21 | // USA. |
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22 | // |
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23 | // Please report all bugs and problems on the following page: |
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24 | // |
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25 | // http://www.fltk.org/str.php |
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26 | // |
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27 | |
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28 | #include <stdio.h> |
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29 | #include <string.h> |
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30 | #include <stdlib.h> |
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31 | #if defined(WIN32) && !defined(__CYGWIN__) |
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32 | # include <direct.h> |
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33 | # ifndef __WATCOMC__ |
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34 | // Visual C++ 2005 incorrectly displays a warning about the use of POSIX APIs |
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35 | // on Windows, which is supposed to be POSIX compliant... |
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36 | # define chdir _chdir |
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37 | # define putenv _putenv |
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38 | # endif // !__WATCOMC__ |
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39 | #elif defined USING_XCODE |
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40 | #include <ApplicationServices/ApplicationServices.h> |
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41 | #include <unistd.h> // for chdir() |
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42 | #include <stdio.h> |
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43 | #include <stdlib.h> // for system() |
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44 | #include <string.h> |
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45 | #else |
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46 | # include <unistd.h> |
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47 | #endif |
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48 | #include <FL/Fl.H> |
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49 | #include <FL/Fl_Double_Window.H> |
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50 | #include <FL/Fl_Box.H> |
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51 | #include <FL/Fl_Button.H> |
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52 | #include <FL/Fl_Choice.H> |
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53 | #include <FL/filename.H> |
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54 | #include <FL/x.H> |
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55 | |
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56 | /* The form description */ |
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57 | |
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58 | void doexit(Fl_Widget *, void *); |
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59 | void doback(Fl_Widget *, void *); |
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60 | void dobut(Fl_Widget *, long); |
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61 | void doscheme(Fl_Choice *c, void *) { |
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62 | Fl::scheme(c->text(c->value())); |
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63 | } |
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64 | |
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65 | Fl_Double_Window *form; |
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66 | Fl_Button *but[9]; |
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67 | |
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68 | void create_the_forms() { |
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69 | Fl_Widget *obj; |
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70 | form = new Fl_Double_Window(350, 440); |
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71 | obj = new Fl_Box(FL_FRAME_BOX,10,15,330,40,"FLTK Demonstration"); |
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72 | obj->color(FL_GRAY-4); |
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73 | obj->labelsize(24); |
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74 | obj->labelfont(FL_BOLD); |
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75 | obj->labeltype(FL_ENGRAVED_LABEL); |
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76 | obj = new Fl_Box(FL_FRAME_BOX,10,65,330,330,0); |
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77 | obj->color(FL_GRAY-8); |
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78 | obj = new Fl_Button(280,405,60,25,"Exit"); |
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79 | obj->callback(doexit); |
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80 | Fl_Choice *choice = new Fl_Choice(75, 405, 100, 25, "Scheme:"); |
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81 | choice->labelfont(FL_HELVETICA_BOLD); |
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82 | choice->add("none"); |
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83 | choice->add("gtk+"); |
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84 | choice->add("plastic"); |
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85 | choice->callback((Fl_Callback *)doscheme); |
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86 | Fl::scheme(NULL); |
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87 | if (!Fl::scheme()) choice->value(0); |
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88 | else if (!strcmp(Fl::scheme(), "gtk+")) choice->value(1); |
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89 | else choice->value(2); |
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90 | obj = new Fl_Button(10,15,330,380); obj->type(FL_HIDDEN_BUTTON); |
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91 | obj->callback(doback); |
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92 | obj = but[0] = new Fl_Button( 30, 85,90,90); |
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93 | obj = but[1] = new Fl_Button(130, 85,90,90); |
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94 | obj = but[2] = new Fl_Button(230, 85,90,90); |
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95 | obj = but[3] = new Fl_Button( 30,185,90,90); |
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96 | obj = but[4] = new Fl_Button(130,185,90,90); |
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97 | obj = but[5] = new Fl_Button(230,185,90,90); |
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98 | obj = but[6] = new Fl_Button( 30,285,90,90); |
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99 | obj = but[7] = new Fl_Button(130,285,90,90); |
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100 | obj = but[8] = new Fl_Button(230,285,90,90); |
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101 | for (int i=0; i<9; i++) { |
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102 | but[i]->align(FL_ALIGN_WRAP); |
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103 | but[i]->callback(dobut, i); |
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104 | } |
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105 | form->end(); |
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106 | } |
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107 | |
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108 | /* Maintaining and building up the menus. */ |
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109 | |
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110 | typedef struct { |
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111 | char name[64]; |
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112 | int numb; |
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113 | char iname[9][64]; |
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114 | char icommand[9][64]; |
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115 | } MENU; |
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116 | |
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117 | #define MAXMENU 32 |
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118 | |
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119 | MENU menus[MAXMENU]; |
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120 | int mennumb = 0; |
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121 | |
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122 | int find_menu(const char* nnn) |
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123 | /* Returns the number of a given menu name. */ |
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124 | { |
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125 | int i; |
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126 | for (i=0; i<mennumb; i++) |
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127 | if (strcmp(menus[i].name,nnn) == 0) return i; |
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128 | return -1; |
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129 | } |
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130 | |
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131 | void create_menu(const char* nnn) |
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132 | /* Creates a new menu with name nnn */ |
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133 | { |
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134 | if (mennumb == MAXMENU -1) return; |
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135 | strcpy(menus[mennumb].name,nnn); |
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136 | menus[mennumb].numb = 0; |
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137 | mennumb++; |
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138 | } |
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139 | |
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140 | void addto_menu(const char* men, const char* item, const char* comm) |
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141 | /* Adds an item to a menu */ |
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142 | { |
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143 | int n = find_menu(men); |
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144 | if (n<0) { create_menu(men); n = find_menu(men); } |
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145 | if (menus[n].numb == 9) return; |
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146 | strcpy(menus[n].iname[menus[n].numb],item); |
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147 | strcpy(menus[n].icommand[menus[n].numb],comm); |
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148 | menus[n].numb++; |
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149 | } |
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150 | |
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151 | /* Button to Item conversion and back. */ |
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152 | |
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153 | int b2n[][9] = { |
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154 | { -1, -1, -1, -1, 0, -1, -1, -1, -1}, |
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155 | { -1, -1, -1, 0, -1, 1, -1, -1, -1}, |
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156 | { 0, -1, -1, -1, 1, -1, -1, -1, 2}, |
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157 | { 0, -1, 1, -1, -1, -1, 2, -1, 3}, |
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158 | { 0, -1, 1, -1, 2, -1, 3, -1, 4}, |
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159 | { 0, -1, 1, 2, -1, 3, 4, -1, 5}, |
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160 | { 0, -1, 1, 2, 3, 4, 5, -1, 6}, |
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161 | { 0, 1, 2, 3, -1, 4, 5, 6, 7}, |
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162 | { 0, 1, 2, 3, 4, 5, 6, 7, 8} |
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163 | }; |
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164 | int n2b[][9] = { |
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165 | { 4, -1, -1, -1, -1, -1, -1, -1, -1}, |
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166 | { 3, 5, -1, -1, -1, -1, -1, -1, -1}, |
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167 | { 0, 4, 8, -1, -1, -1, -1, -1, -1}, |
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168 | { 0, 2, 6, 8, -1, -1, -1, -1, -1}, |
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169 | { 0, 2, 4, 6, 8, -1, -1, -1, -1}, |
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170 | { 0, 2, 3, 5, 6, 8, -1, -1, -1}, |
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171 | { 0, 2, 3, 4, 5, 6, 8, -1, -1}, |
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172 | { 0, 1, 2, 3, 5, 6, 7, 8, -1}, |
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173 | { 0, 1, 2, 3, 4, 5, 6, 7, 8} |
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174 | }; |
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175 | |
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176 | int but2numb(int bnumb, int maxnumb) |
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177 | /* Transforms a button number to an item number when there are |
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178 | maxnumb items in total. -1 if the button should not exist. */ |
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179 | { return b2n[maxnumb][bnumb]; } |
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180 | |
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181 | int numb2but(int inumb, int maxnumb) |
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182 | /* Transforms an item number to a button number when there are |
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183 | maxnumb items in total. -1 if the item should not exist. */ |
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184 | { return n2b[maxnumb][inumb]; } |
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185 | |
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186 | /* Pushing and Popping menus */ |
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187 | |
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188 | char stack[64][32]; |
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189 | int stsize = 0; |
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190 | |
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191 | void push_menu(const char* nnn) |
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192 | /* Pushes a menu to be visible */ |
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193 | { |
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194 | int n,i,bn; |
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195 | int men = find_menu(nnn); |
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196 | if (men < 0) return; |
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197 | n = menus[men].numb; |
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198 | for (i=0; i<9; i++) but[i]->hide(); |
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199 | for (i=0; i<n; i++) |
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200 | { |
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201 | bn = numb2but(i,n-1); |
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202 | but[bn]->show(); |
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203 | but[bn]->label(menus[men].iname[i]); |
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204 | if (menus[men].icommand[i][0] != '@') but[bn]->tooltip(menus[men].icommand[i]); |
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205 | else but[bn]->tooltip(0); |
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206 | } |
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207 | if (stack[stsize]!=nnn) |
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208 | strcpy(stack[stsize],nnn); |
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209 | stsize++; |
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210 | } |
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211 | |
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212 | void pop_menu() |
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213 | /* Pops a menu */ |
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214 | { |
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215 | if (stsize<=1) return; |
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216 | stsize -= 2; |
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217 | push_menu(stack[stsize]); |
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218 | } |
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219 | |
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220 | /* The callback Routines */ |
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221 | |
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222 | void dobut(Fl_Widget *, long arg) |
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223 | /* handles a button push */ |
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224 | { |
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225 | int men = find_menu(stack[stsize-1]); |
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226 | int n = menus[men].numb; |
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227 | int bn = but2numb( (int) arg, n-1); |
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228 | if (menus[men].icommand[bn][0] == '@') |
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229 | push_menu(menus[men].icommand[bn]); |
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230 | else { |
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231 | |
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232 | #ifdef WIN32 |
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233 | STARTUPINFO suInfo; // Process startup information |
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234 | PROCESS_INFORMATION prInfo; // Process information |
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235 | |
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236 | memset(&suInfo, 0, sizeof(suInfo)); |
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237 | suInfo.cb = sizeof(suInfo); |
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238 | |
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239 | int icommand_length = strlen(menus[men].icommand[bn]); |
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240 | |
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241 | char* copy_of_icommand = new char[icommand_length+1]; |
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242 | strcpy(copy_of_icommand,menus[men].icommand[bn]); |
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243 | |
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244 | // On WIN32 the .exe suffix needs to be appended to the command |
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245 | // whilst leaving any additional parameters unchanged - this |
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246 | // is required to handle the correct conversion of cases such as : |
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247 | // `../fluid/fluid valuators.fl' to '../fluid/fluid.exe valuators.fl'. |
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248 | |
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249 | // skip leading spaces. |
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250 | char* start_command = copy_of_icommand; |
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251 | while(*start_command == ' ') ++start_command; |
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252 | |
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253 | // find the space between the command and parameters if one exists. |
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254 | char* start_parameters = strchr(start_command,' '); |
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255 | |
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256 | char* command = new char[icommand_length+6]; // 6 for extra 'd.exe\0' |
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257 | |
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258 | if (start_parameters==NULL) { // no parameters required. |
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259 | # ifdef _DEBUG |
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260 | sprintf(command, "%sd.exe", start_command); |
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261 | # else |
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262 | sprintf(command, "%s.exe", start_command); |
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263 | # endif // _DEBUG |
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264 | } else { // parameters required. |
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265 | // break the start_command at the intermediate space between |
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266 | // start_command and start_parameters. |
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267 | *start_parameters = 0; |
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268 | // move start_paremeters to skip over the intermediate space. |
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269 | ++start_parameters; |
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270 | |
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271 | # ifdef _DEBUG |
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272 | sprintf(command, "%sd.exe %s", start_command, start_parameters); |
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273 | # else |
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274 | sprintf(command, "%s.exe %s", start_command, start_parameters); |
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275 | # endif // _DEBUG |
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276 | } |
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277 | |
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278 | CreateProcess(NULL, command, NULL, NULL, FALSE, |
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279 | NORMAL_PRIORITY_CLASS, NULL, NULL, &suInfo, &prInfo); |
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280 | |
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281 | delete[] command; |
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282 | delete[] copy_of_icommand; |
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283 | |
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284 | #elif defined USING_XCODE |
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285 | char *cmd = strdup(menus[men].icommand[bn]); |
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286 | char *arg = strchr(cmd, ' '); |
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287 | |
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288 | char command[2048], path[2048], app_path[2048]; |
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289 | |
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290 | // this neat litle block of code ensures that the current directory is set |
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291 | // to the location of the Demo application. |
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292 | CFBundleRef app = CFBundleGetMainBundle(); |
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293 | CFURLRef url = CFBundleCopyBundleURL(app); |
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294 | CFStringRef cc_app_path = CFURLCopyFileSystemPath(url, kCFURLPOSIXPathStyle); |
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295 | CFStringGetCString(cc_app_path, app_path, 2048, kCFStringEncodingUTF8); |
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296 | if (*app_path) { |
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297 | char *n = strrchr(app_path, '/'); |
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298 | if (n) { |
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299 | *n = 0; |
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300 | chdir(app_path); |
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301 | } |
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302 | } |
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303 | |
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304 | if (arg) { |
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305 | *arg = 0; |
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306 | if (strcmp(cmd, "../fluid/fluid")==0) { |
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307 | fl_filename_absolute(path, 2048, "../../../../test/"); |
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308 | sprintf(command, "open Fluid.app --args %s%s", path, arg+1); |
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309 | } else { |
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310 | fl_filename_absolute(path, 2048, "../../../../test/"); |
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311 | sprintf(command, "open %s.app --args %s%s", cmd, path, arg+1); |
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312 | } |
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313 | } else { |
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314 | sprintf(command, "open %s.app", cmd); |
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315 | } |
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316 | // puts(command); |
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317 | system(command); |
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318 | |
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319 | free(cmd); |
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320 | #else // NON WIN32 systems. |
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321 | |
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322 | int icommand_length = strlen(menus[men].icommand[bn]); |
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323 | char* command = new char[icommand_length+5]; // 5 for extra './' and ' &\0' |
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324 | |
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325 | sprintf(command, "./%s &", menus[men].icommand[bn]); |
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326 | if (system(command)==-1) { /* ignore */ } |
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327 | |
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328 | delete[] command; |
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329 | #endif // WIN32 |
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330 | } |
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331 | } |
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332 | |
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333 | void doback(Fl_Widget *, void *) {pop_menu();} |
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334 | |
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335 | void doexit(Fl_Widget *, void *) {exit(0);} |
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336 | |
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337 | int load_the_menu(const char* fname) |
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338 | /* Loads the menu file. Returns whether successful. */ |
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339 | { |
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340 | FILE *fin = 0; |
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341 | char line[256], mname[64],iname[64],cname[64]; |
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342 | int i, j; |
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343 | fin = fl_fopen(fname,"r"); |
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344 | #if defined ( USING_XCODE ) |
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345 | if (fin == NULL) { |
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346 | // mac os bundle menu detection: |
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347 | char* pos = strrchr(fname,'/'); |
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348 | if (!pos) return 0; |
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349 | *pos='\0'; |
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350 | pos = strrchr(fname,'/'); |
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351 | if (!pos) return 0; |
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352 | strcpy(pos,"/Resources/demo.menu"); |
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353 | fin = fl_fopen(fname,"r"); |
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354 | } |
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355 | #endif |
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356 | if (fin == NULL) { |
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357 | return 0; |
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358 | } |
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359 | for (;;) { |
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360 | if (fgets(line,256,fin) == NULL) break; |
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361 | // remove all carriage returns that Cygwin may have inserted |
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362 | char *s = line, *d = line; |
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363 | for (;;++d) { |
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364 | while (*s=='\r') s++; |
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365 | *d = *s++; |
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366 | if (!*d) break; |
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367 | } |
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368 | // interprete the line |
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369 | j = 0; i = 0; |
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370 | while (line[i] == ' ' || line[i] == '\t') i++; |
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371 | if (line[i] == '\n') continue; |
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372 | if (line[i] == '#') continue; |
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373 | while (line[i] != ':' && line[i] != '\n') mname[j++] = line[i++]; |
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374 | mname[j] = '\0'; |
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375 | if (line[i] == ':') i++; |
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376 | j = 0; |
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377 | while (line[i] != ':' && line[i] != '\n') |
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378 | { |
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379 | if (line[i] == '\\') { |
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380 | i++; |
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381 | if (line[i] == 'n') iname[j++] = '\n'; |
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382 | else iname[j++] = line[i]; |
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383 | i++; |
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384 | } else |
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385 | iname[j++] = line[i++]; |
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386 | } |
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387 | iname[j] = '\0'; |
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388 | if (line[i] == ':') i++; |
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389 | j = 0; |
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390 | while (line[i] != ':' && line[i] != '\n') cname[j++] = line[i++]; |
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391 | cname[j] = '\0'; |
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392 | addto_menu(mname,iname,cname); |
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393 | } |
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394 | fclose(fin); |
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395 | return 1; |
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396 | } |
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397 | |
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398 | extern "C" int rtems_main(int argc, char **argv) { |
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399 | putenv((char *)"FLTK_DOCDIR=../documentation/html"); |
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400 | char buf[FL_PATH_MAX]; |
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401 | strcpy(buf, argv[0]); |
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402 | #if ( defined _MSC_VER || defined __MWERKS__ ) && defined _DEBUG |
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403 | // MS_VisualC appends a 'd' to debugging executables. remove it. |
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404 | fl_filename_setext( buf, "" ); |
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405 | buf[ strlen(buf)-1 ] = 0; |
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406 | #endif |
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407 | fl_filename_setext(buf,".menu"); |
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408 | const char *fname = buf; |
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409 | int i = 0; |
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410 | if (!Fl::args(argc,argv,i) || i < argc-1) |
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411 | Fl::fatal("Usage: %s <switches> <menufile>\n%s",argv[0],Fl::help); |
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412 | if (i < argc) fname = argv[i]; |
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413 | |
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414 | create_the_forms(); |
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415 | |
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416 | if (!load_the_menu(fname)) Fl::fatal("Can't open %s",fname); |
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417 | if (buf!=fname) |
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418 | strcpy(buf,fname); |
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419 | const char *c = fl_filename_name(buf); |
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420 | if (c > buf) { |
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421 | buf[c-buf] = 0; |
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422 | if (chdir(buf)==-1) { /* ignore */ } |
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423 | } |
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424 | push_menu("@main"); |
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425 | form->show(argc,argv); |
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426 | Fl::run(); |
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427 | return 0; |
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428 | } |
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429 | |
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430 | // |
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431 | // End of "$Id: demo.cxx 8252 2011-01-11 10:36:44Z manolo $". |
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432 | // |
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433 | |
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