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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 * Visual Workshop integration by Gordon Prieur
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5 *
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6 * Do ":help uganda" in Vim to read copying and usage conditions.
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7 * Do ":help credits" in Vim to see a list of people who contributed.
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8 */
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9 /*
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10 THIS IS AN UNSTABLE INTERFACE! It is unsupported and will likely
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11 change in future releases, possibly breaking compatibility!
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12 */
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13
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14 #ifndef _INTEGRATION_H
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15 #define _INTEGRATION_H
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16
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17 #include <X11/Intrinsic.h>
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18 #include <Xm/Xm.h>
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19
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20 #ifdef __cplusplus
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21 extern "C" {
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22 #endif
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23
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24 /* Enable NoHands test support functions. Define this only if you want to
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25 compile in support in the editor such that it can be run under
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26 the WorkShop test suite. */
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27 #ifndef NOHANDS_SUPPORT_FUNCTIONS
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28 #define NOHANDS_SUPPORT_FUNCTIONS
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29 #endif
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30
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31
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32 /* This header file has three parts.
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33 * 1. Functions you need to implement; these are called by the integration
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34 * library
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35 * 2. Functions you need to call when certain events happen in the editor;
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36 * these are implemented by the integration library
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37 * 3. Utility functions provided by the integration library; these make
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38 * task 1 a bit easier.
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39 */
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40
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41 /*
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42 * The following functions need to be implemented by the editor
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43 * integration code (and will be editor-specific). Please see the
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44 * sample workshop.c file for comments explaining what each functions
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45 * needs to do, what the arguments mean, etc.
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46 */
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47
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48 /*
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49 * This string is recognized by eserve and should be all lower case.
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50 * This is how the editor detects that it is talking to NEdit instead
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51 * of Vim, for example, when the connection is initiated from the editor.
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52 * Examples: "nedit", "gvim"
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53 */
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54 char *workshop_get_editor_name();
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55
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56 /*
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57 * Version number of the editor.
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58 * This number is communicated along with the protocol
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59 * version to the application.
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60 * Examples: "5.0.2", "19.3"
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61 */
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62 char *workshop_get_editor_version();
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63
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64
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65 /* Goto a given line in a given file */
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66 void workshop_goto_line(char *filename, int lineno);
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67
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68
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69 /* Set mark in a given file */
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70 void workshop_set_mark(char *filename, int lineno, int markId, int type);
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71
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72
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73 /* Change mark type (for example from current-pc to pc-and-breakpoint) */
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74 void workshop_change_mark_type(char *filename, int markId, int type);
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75
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76 /*
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77 * Goto the given mark in a file (e.g. show it).
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78 * If message is not null, display it in the footer.
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79 */
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80
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81 void workshop_goto_mark(char *filename, int markId, char *message);
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82
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83
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84 /* Delete mark */
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85 void workshop_delete_mark(char *filename, int markId);
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86
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87 /* Begin/end pair of messages indicating that a series of _set_mark and
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88 * _delete_mark messages will be sent. This can/should be used to suppress gui
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89 * redraws between the begin and end messages. For example, if you switch
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90 * to a headerfile that has a class breakpoint set, there may be hundreds
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91 * of marks that need to be added. You don't want to refresh the gui for each
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92 * added sign, you want to wait until the final end message.
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93 */
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94 void workshop_mark_batch_begin();
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95 void workshop_mark_batch_end();
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96
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97
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98 /* Load a given file into the WorkShop buffer. "frameid" is a token string
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99 * that identifies which frame the file would like to be loaded into. This
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100 * will usually be null, in which case you should use the default frame.
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101 * However, if frameid is not null, you need to find a frame that has this
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102 * frameid, and replace the file in that frame. Finally, if the frameid is
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103 * one you haven't seen before, you should create a new frame for this file.
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104 * Note that "frameid" is a string value, not just an opaque pointer, so
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105 * you should use strcmp rather than == when testing for equality.
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106 */
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107 void workshop_load_file(char *filename, int line, char *frameid);
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108
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109
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110 /* Reload the WorkShop buffer */
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111 void workshop_reload_file(char *filename, int line);
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112
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113
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114 /* Show the given file */
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115 void workshop_show_file(char *filename);
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116
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117
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118 /* Front the given file */
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119 void workshop_front_file(char *filename);
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120
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121
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122 /* Save the given file */
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123 void workshop_save_file(char *filename);
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124
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125 /* Save all WorkShop edited files. You can ask user about modified files
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126 * and skip saving any files the user doesn't want to save.
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127 * This function is typically called when the user issues a build, a fix,
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128 * etc. (and also if you select "Save All" from the File menu :-)
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129 */
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130 void workshop_save_files();
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131
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132 /* Show a message in all footers.
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133 Severity currently is not defined. */
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134 void workshop_footer_message(char *message, int severity);
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135
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136 /* Minimize all windows */
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137 void workshop_minimize();
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138
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139
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140 /* Maximize all windows */
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141 void workshop_maximize();
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142
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143
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144 /*
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145 * Create a new mark type, assign it a given index, a given textbackground
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146 * color, and a given left-margin sign (where sign is a filename to an
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147 * .xpm file)
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148 */
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149 void workshop_add_mark_type(int idx, char *colorspec, char *sign);
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150
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151
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152 /* Get mark line number */
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153 int workshop_get_mark_lineno(char *filename, int markId);
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154
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155
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156 /* Exit editor; save confirmation dialogs are okay */
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157 void workshop_quit();
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158
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159 /* Set an editor option.
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160 * For example, name="syntax",value="on" would enable syntax highlighting.
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161 * The currently defined options are:
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162 * lineno {on,off} show line numbers
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163 * syntax {on,off} highlight syntax
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164 * parentheses {on,off} show matching parentheses
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165 * The following options are interpreted by the library for you (so you
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166 * will never see the message. However, the implementation requires you
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167 * to provide certain callbacks, like restore hotkeys or save all files.
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168 * These are documented separately).
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169 * workshopkeys {on,off} set workshop hotkeys
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170 * savefiles {on,off} save all files before issuing a build
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171 * balloon {on,off} enable/disable balloon evaluate
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172 *
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173 * IGNORE an option if you do not recognize it.
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174 */
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175 void workshop_set_option(char *name, char *value);
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176
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177 /*
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178 * (See workshop_add_frame first.) This function notifies the editor
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179 * that the frame for the given window (indicated by "frame", which
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180 * was supplied by the editor in workshop_add_frame) has been created.
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181 * This can happen much later than the workshop_add_frame message, since
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182 * often a window is created on editor startup, while the frame description
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183 * is passed over from eserve much later, when the connection is complete.
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184 * This gives the editor a chance to kick its GUI to show the frame
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185 * properly; typically you'll unmanage and remanage the parent widget to
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186 * force a geometry recalculation.
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187 */
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188
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189 void workshop_reconfigure_frame(void *frame);
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190
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191
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192 /* Are there any moved marks? If so, call workshop_move_mark on
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193 * each of them now. This is how eserve can find out if for example
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194 * breakpoints have moved when a program has been recompiled and
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195 * reloaded into dbx.
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196 */
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197 void workshop_moved_marks(char *filename);
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198
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199
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200 /* A button in the toolbar has been pushed. "frame" is provided
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201 * which should let you determine which toolbar had a button pushed
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202 * (you supplied this clientData when you created a toolbar). From
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203 * this you should be able to figure out which file the operation
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204 * applies to, and for that window the cursor line and column,
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205 * selection begin line and column, selection end line and column,
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206 * selection text and selection text length. The column numbers are
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207 * currently unused but implement it anyway in case we decide to use
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208 * them in the future.
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209 * Note that frame can be NULL. In this case, you should pick
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210 * a default window to translate coordinates for (ideally, the
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211 * last window the user has operated on.) This will be the case when
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212 * the user clicks on a Custom Button programmed to take the current
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213 * line number as an argument. Here it's ambiguous which buffer
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214 * to use, so you need to pick one.
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215 * (Interface consideration: Perhaps we instead should add smarts
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216 * into the library such that we remember which frame pointer
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217 * we last noticed (e.g. last call to get_positions, or perhaps
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218 * last add_frame) and then pass that instead? For example, we could
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219 * have all workshop operations return the clientData when passed
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220 * the filename (or add a filename-to-clientData converter?) and then
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221 * remember the last filename/clientData used.
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222 */
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223 int workshop_get_positions(void *frame,
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224 char **filename,
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225 int *curLine,
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226 int *curCol,
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227 int *selStartLine,
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228 int *selStartCol,
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229 int *selEndLine,
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230 int *selEndCol,
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231 int *selLength,
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232 char **selection);
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233
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234 /* The following function should return the height of a character
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235 * in the text display. This is used to pick out a suitable size
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236 * for the signs to match the text (currently available in three
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237 * sizes). If you just return 0, WorkShop will use the default
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238 * sign size. (Use XmStringExtent on character "A" to get the height.)
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239 */
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240
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241 int workshop_get_font_height(void);
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242
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243 /* The following function requests that you register the given
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244 * hotkey as a keyboard accelerator for all frames. Whenever the
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245 * hotkey is pressed, you should invoke workshop_hotkey_pressed
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246 * and pass the current frame pointer as an argument as well as
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247 * the clientData pointer passed in to this function.
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248 * The remove function unregisters the hotkey.
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249 */
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250 void workshop_register_hotkey(Modifiers modifiers, KeySym keysym,
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251 void *clientData);
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252 void workshop_unregister_hotkey(Modifiers modifiers, KeySym keysym,
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253 void *clientData);
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254
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255
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256
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257
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258 /*
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259 *
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260 * The following functions notify eserve of important editor events,
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261 * such as files being modified, files being saved, etc. You must
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262 * sprinkle your editor code with calls to these. For example, whenever
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263 * a file is modified (well, when its read-only status changes to modified),
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264 * call workshop_file_modified().
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265 *
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266 */
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267
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268
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269
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270 /* Connect with eserve. Add this call after you editor initialization
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271 * is done, right before entering the event loop or blocking on input.
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272 * This will set up a socket connection with eserve.
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273 */
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274 void workshop_connect(XtAppContext context);
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275
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276 /* A file has been opened. */
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277 void workshop_file_opened(char *filename, int readOnly);
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278
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279
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280 /* A file has been saved. Despite its name, eserve also uses this
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281 * message to mean a file has been reverted or unmodified.
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282 */
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283 void workshop_file_saved(char *filename);
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284
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285
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286 /* A file has been closed */
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287 void workshop_file_closed(char *filename);
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288
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289 /* Like workshop_file_closed, but also inform eserve what line the
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290 cursor was on when you left the file. That way eserve can put you
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291 back where you left off when you return to this file. */
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292 void workshop_file_closed_lineno(char *filename, int line);
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293
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294 /* A file has been modified */
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295 void workshop_file_modified(char *filename);
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296
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297
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298 /*
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299 * A mark has been moved. Only call this as a response to
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300 * a workshop_moved_marks request call.
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301 */
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302 void workshop_move_mark(char *filename, int markId, int newLineno);
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303
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304 /* Tell the integration library about a new frame being added.
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305 * Supply a form for the toolbar, a label for the footer, and an
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306 * XmPulldown menu for the WorkShop menu to attach to. Top and bottom
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307 * are the widgets above and below the toolbar form widget, if
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308 * any. Call this function when you create a new window. It returns a
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309 * void *, a handle which you should keep and return when you delete
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310 * the window with workshop_delete_toolbar. The "footer" argument
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311 * points to a Label widget that is going to be used as a status
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312 * message area, and "menu" (if any) points to an Menu widget that
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313 * should contain a WorkShop menu. Clientdata is a pointer which is
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314 * only used by the editor. It will typically be a pointer to the
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315 * window object that the toolbar is placed in. If you have multiple
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316 * windows, you need to use this pointer to figure out which window
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317 * (and thus corresponding buffer) the user has clicked on to respond
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318 * to the workshop_get_positions message.
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319 * Each frame's clientData ("frame") should be unique.
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320 */
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321 void *workshop_add_frame(void *frame, Widget form,
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322 Widget top, Widget bottom, Widget footer,
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323 Widget menu);
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324
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325 /* Delete a window/frame. Call this when an editor window is being deleted. */
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326 void workshop_delete_frame(void *handle);
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327
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328 /* Add a balloon evaluate text area. "frame" is used the same way
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329 * as in workshop_add_frame. This call is not part of workshop_add_frame because
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330 * a frame can have multiple tooltip areas (typically, an editor frame that
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331 * is split showing multiple buffers will have a separate tooltip area for
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332 * each text widget. Each such area is called a "window" (consistent with
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333 * XEmacs terminology). Separate these by the window argument if necessary.
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334 * You will need to implement workshop_get_balloon_text such that it uses
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335 * these two arguments to derive the file, line etc. for the tip.
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336 * Call the remove function if you delete this area such that the integration
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337 * library can update itself. You must call workshop_add_frame before you
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338 * call add_balloon_eval_area, and you must pass the same frame pointer.
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339 */
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340 void workshop_add_balloon_eval_area(void *frame, void *window, Widget widget);
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341 void workshop_remove_balloon_eval_area(void *frame, void *window, Widget widget);
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342
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343
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344 /* For a given mouse position inside the balloon area (passed as x,y),
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345 * return the balloon text to be evaluated. There are two scenarios:
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346 * If the position is inside the selection, return the selection
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347 * string. Else, return the full line (or possibly the full line up
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348 * to the last semicolon (that's TBD), along with an index pointing to
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349 * where which character the mouse is over.
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350 * If we have the selection-scenario, set mouseIndex to -1 to indicate
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351 * that no autoexpansion should occur but that the selection should
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352 * be evaluated as is.
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353 *
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354 * XXX Does dbx need more information here, like the filename and line
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355 * number in order to determine the correct language and scope to be
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356 * used during evaluation?? Or should it just work like the p= button
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357 * (where the current scope and language is used, even if you are
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358 * pointing at a different file with a different scope) ?
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359 */
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360 int workshop_get_balloon_text(Position x, Position y,
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361 void *frame,
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362 void *window,
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363 char **filename,
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364 int *line,
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365 char **text,
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366 int *mouseIndex);
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367
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368
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369 /* Window size and location
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370 * WorkShop will attempt to restore the size and location of a single
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371 * editor frame. For vi, this window is designated as the "reusable" one.
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372 * You can implement your own scheme for determining which window you
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373 * want to associate with WorkShop. Whenever the size and location of
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374 * this window is changed, call the following function to notify eserve.
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375 * Like workshop_invoked, this can be called before the workshop_connect()
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376 * call.
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377 */
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378 void workshop_frame_moved(int new_x, int new_y, int new_w, int new_h);
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379 Boolean workshop_get_width_height(int *, int *);
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380 Boolean workshop_get_rows_cols(int *, int *);
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381
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382 /* This function should be invoked when you press a hotkey
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383 * set up by workshop_register_hotkey. Pass the clientData
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384 * to it that was given to you with workshop_register_hotkey.
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385 */
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386 void workshop_hotkey_pressed(void *frame, void *clientData);
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387
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388
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389
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390
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391
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392 /*
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393 * Utility functions
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394 * These provide convenience functions to simplify implementing some
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395 * of the above functions.
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396 *
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397 */
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398
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399 /* Were we invoked by WorkShop? This function can be used early during startup
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400 * if you want to do things differently if the editor is started standalone
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401 * or in WorkShop mode. For example, in standalone mode you may not want to
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402 * add a footer/message area or a sign gutter.
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403 */
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404 int workshop_invoked(void);
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405
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406 /*
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407 *Set the desktop icon of the current shell to the given xpm icon.
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408 * Standard WorkShop desktop icons should be 48x48.
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409 */
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410
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411 void workshop_set_icon(Display *display, Widget shell, char **xpmdata,
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412 int width, int height);
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413
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414
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415 /* Minimize (iconify) the given shell */
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416 void workshop_minimize_shell(Widget shell);
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417
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418 /* Maximize (deiconify) the given shell */
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419 void workshop_maximize_shell(Widget shell);
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420
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421 /* Called by frame.cc -- editor shouldn't call this directly.
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422 * Perhaps we need an integrationP.h file ? */
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423 void workshop_perform_verb(char *verb, void *clientData);
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424 void workshop_send_message(char *buf);
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425
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426
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427 #ifdef NOHANDS_SUPPORT_FUNCTIONS
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428 /* The following functions are needed to run the WorkShop testsuite
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429 * with this editor. You don't need to implement these unless you
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430 * intend for your editor to be run by Workshop's testsuite.
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431 * getcursorrow should return the number of lines from the top of
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432 * the window the cursor is; similarly for getcursorcol.
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433 */
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434 char *workshop_test_getcurrentfile();
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435 int workshop_test_getcursorrow();
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436 int workshop_test_getcursorcol();
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437 char *workshop_test_getcursorrowtext();
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438 char *workshop_test_getselectedtext();
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439 #endif
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440
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441 /*
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442 * Struct used to set/unset the sensitivity of verbs.
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443 */
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444 typedef struct {
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445 char *verb;
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446 Boolean sense;
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447 } VerbSense;
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448
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449 #ifdef __cplusplus
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450 }
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451 #endif
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452
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453 #endif /* _INTEGRATION_H */
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