336 lines
14 KiB
C++
336 lines
14 KiB
C++
/*
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* Example use of customization API
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*/
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#define FCPP_STRING_IMPLEMENTATION
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#include "4coder_string.h"
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// NOTE(allen): See exec_command and surrounding code in 4coder_helper.h
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// to decide whether you want macro translations, without them you will
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// have to manipulate the command and parameter stack through
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// "app->" which may be more or less clear depending on your use.
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//
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// I suggest you try disabling macro translation and getting your code working
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// that way, because I'll be removing it entirely sometime soon
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#define DisableMacroTranslations 0
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#include "4coder_custom.h"
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#include "4coder_helper.h"
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#ifndef literal
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#define literal(s) s, (sizeof(s)-1)
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#endif
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// NOTE(allen|a3.3): All of your custom ids should be enumerated
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// as shown here, they may start at 0, and you can only have
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// 2^24 of them so don't be wasteful!
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enum My_Maps{
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my_code_map,
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my_html_map
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};
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HOOK_SIG(my_start){
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exec_command(cmd_context, cmdid_open_panel_vsplit);
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exec_command(cmd_context, cmdid_change_active_panel);
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}
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char *get_extension(const char *filename, int len, int *extension_len){
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char *c = (char*)(filename + len - 1);
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char *end = c;
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while (*c != '.' && c > filename) --c;
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*extension_len = (int)(end - c);
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return c+1;
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}
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bool str_match(const char *a, int len_a, const char *b, int len_b){
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bool result = 0;
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if (len_a == len_b){
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char *end = (char*)(a + len_a);
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while (a < end && *a == *b){
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++a; ++b;
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}
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if (a == end) result = 1;
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}
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return result;
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}
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HOOK_SIG(my_file_settings){
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Buffer_Summary buffer = app->get_active_buffer(cmd_context);
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// NOTE(allen|a3.4.2): Whenever you ask for a buffer, you should check that the
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// exists flag is set to true before using it. Reasons why the buffer might not exist:
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// -The active panel does not contain a buffer and get_active_buffer was used
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// -The index provided to get_buffer was out of range [0,max) or that index is associated to a dummy buffer
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// -The name provided to get_buffer_by_name did not match any of the existing buffers
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if (buffer.exists){
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int treat_as_code = 0;
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if (buffer.file_name && buffer.size < (16 << 20)){
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int extension_len;
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char *extension = get_extension(buffer.file_name, buffer.file_name_len, &extension_len);
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if (str_match(extension, extension_len, literal("cpp"))) treat_as_code = 1;
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else if (str_match(extension, extension_len, literal("h"))) treat_as_code = 1;
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else if (str_match(extension, extension_len, literal("c"))) treat_as_code = 1;
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else if (str_match(extension, extension_len, literal("hpp"))) treat_as_code = 1;
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}
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push_parameter(app, cmd_context, par_lex_as_cpp_file, treat_as_code);
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push_parameter(app, cmd_context, par_wrap_lines, !treat_as_code);
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push_parameter(app, cmd_context, par_key_mapid, (treat_as_code)?(my_code_map):(mapid_file));
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exec_command(cmd_context, cmdid_set_settings);
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}
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}
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CUSTOM_COMMAND_SIG(open_in_other){
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exec_command(cmd_context, cmdid_change_active_panel);
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exec_command(cmd_context, cmdid_interactive_open);
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}
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CUSTOM_COMMAND_SIG(open_my_files){
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// NOTE(allen|a3.1): The command cmdid_interactive_open can now open
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// a file specified on the parameter stack. If the file does not exist
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// cmdid_interactive_open behaves as usual.
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push_parameter(app, cmd_context, par_name, literal("w:/4ed/data/test/basic.cpp"));
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exec_command(cmd_context, cmdid_interactive_open);
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exec_command(cmd_context, cmdid_change_active_panel);
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char my_file[256];
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int my_file_len;
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my_file_len = sizeof("w:/4ed/data/test/basic.txt") - 1;
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for (int i = 0; i < my_file_len; ++i){
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my_file[i] = ("w:/4ed/data/test/basic.txt")[i];
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}
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// NOTE(allen|a3.1): null terminators are not needed for strings.
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push_parameter(app, cmd_context, par_name, my_file, my_file_len);
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exec_command(cmd_context, cmdid_interactive_open);
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exec_command(cmd_context, cmdid_change_active_panel);
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}
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CUSTOM_COMMAND_SIG(build_at_launch_location){
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// NOTE(allen|a3.3): An example of calling build by setting all
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// parameters directly. This only works if build.bat can be called
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// from the starting directory
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push_parameter(app, cmd_context, par_cli_overlap_with_conflict, 1);
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push_parameter(app, cmd_context, par_target_buffer_name, literal("*compilation*"));
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push_parameter(app, cmd_context, par_cli_path, literal("."));
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push_parameter(app, cmd_context, par_cli_command, literal("build"));
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exec_command(cmd_context, cmdid_build);
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}
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CUSTOM_COMMAND_SIG(build_search){
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// NOTE(allen|a3.3): An example of traversing the filesystem through parent
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// directories looking for a file, in this case a batch file to execute.
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//
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//
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// Step 1: push_directory returns a String containing the current "hot" directory
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// (whatever directory you most recently visited in the 4coder file browsing interface)
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//
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// Step 2: app->directory_has_file queries the file system to see if "build.bat" exists
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// If it does exist several parameters are pushed:
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// - par_cli_overlap_with_conflict: whether to launch this process if an existing process
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// is already being used for output on the same buffer
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//
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// - par_target_buffer_name: the name of the buffer to fill with the output from the process
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//
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// - par_cli_path: sets the path from which the command is executed
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//
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// - par_cli_command: sets the actual command to be executed, this can be almost any command
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// that you could execute through a command line interface
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//
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//
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// To set par_cli_path: push_parameter makes a copy of the dir string on the stack
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// because the string allocated by push_directory is going to change again
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// To set par_cli_command: app->push_parameter does not make a copy of the dir because
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// dir isn't going to change again.
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//
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// Step 3: If the batch file did not exist try to move to the parent directory using
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// app->directory_cd. The cd function can also be used to navigate to subdirectories.
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// It returns true if it can actually move in the specified direction, and false otherwise.
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int keep_going = 1;
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String dir = push_directory(app, cmd_context);
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while (keep_going){
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if (app->directory_has_file(dir, "build.bat")){
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push_parameter(app, cmd_context, par_cli_overlap_with_conflict, 0);
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push_parameter(app, cmd_context, par_target_buffer_name, literal("*compilation*"));
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push_parameter(app, cmd_context, par_cli_path, dir.str, dir.size);
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if (append(&dir, "build")){
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#if 1
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// NOTE(allen): This version avoids an unecessary copy, both equivalents are
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// included to demonstrate how using push_parameter without the helper looks.
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app->push_parameter(cmd_context,
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dynamic_int(par_cli_command),
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dynamic_string(dir.str, dir.size));
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#else
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push_parameter(cmd_context, par_cli_command, dir.str, dir.size);
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#endif
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exec_command(cmd_context, cmdid_build);
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}
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else{
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clear_parameters(cmd_context);
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}
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return;
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}
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if (app->directory_cd(&dir, "..") == 0){
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keep_going = 0;
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}
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}
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// TODO(allen): feedback message - couldn't find build.bat
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}
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CUSTOM_COMMAND_SIG(write_and_auto_tab){
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exec_command(cmd_context, cmdid_write_character);
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exec_command(cmd_context, cmdid_auto_tab_line_at_cursor);
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}
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// NOTE(allen|a3.4.1): How one might go about writing things like cut_line
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// same idea works for cut word and other such composite commands.
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CUSTOM_COMMAND_SIG(cut_line){
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exec_command(cmd_context, cmdid_seek_beginning_of_line);
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exec_command(cmd_context, cmdid_set_mark);
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exec_command(cmd_context, cmdid_seek_end_of_line);
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exec_command(cmd_context, cmdid_cut);
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exec_command(cmd_context, cmdid_delete);
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}
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extern "C" GET_BINDING_DATA(get_bindings){
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Bind_Helper context_actual = begin_bind_helper(data, size);
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Bind_Helper *context = &context_actual;
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// NOTE(allen|a3.1): Right now hooks have no loyalties to maps, all hooks are
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// global and once set they always apply, regardless of what map is active.
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set_hook(context, hook_start, my_start);
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set_hook(context, hook_open_file, my_file_settings);
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begin_map(context, mapid_global);
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bind(context, 'p', MDFR_CTRL, cmdid_open_panel_vsplit);
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bind(context, '-', MDFR_CTRL, cmdid_open_panel_hsplit);
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bind(context, 'P', MDFR_CTRL, cmdid_close_panel);
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bind(context, 'n', MDFR_CTRL, cmdid_interactive_new);
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bind(context, 'o', MDFR_CTRL, cmdid_interactive_open);
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bind(context, ',', MDFR_CTRL, cmdid_change_active_panel);
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bind(context, 'k', MDFR_CTRL, cmdid_interactive_kill_buffer);
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bind(context, 'i', MDFR_CTRL, cmdid_interactive_switch_buffer);
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bind(context, 'c', MDFR_ALT, cmdid_open_color_tweaker);
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bind(context, 'x', MDFR_ALT, cmdid_open_menu);
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bind(context, 'o', MDFR_ALT, open_in_other);
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// NOTE(allen): These callbacks may not actually be useful to you, but
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// go look at them and see what they do.
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bind(context, 'M', MDFR_ALT | MDFR_CTRL, open_my_files);
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bind(context, 'M', MDFR_ALT, build_at_launch_location);
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bind(context, 'm', MDFR_ALT, build_search);
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end_map(context);
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begin_map(context, my_code_map);
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// NOTE(allen|a3.1): Set this map (my_code_map == mapid_user_custom) to
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// inherit from mapid_file. When searching if a key is bound
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// in this map, if it is not found here it will then search mapid_file.
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//
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// If this is not set, it defaults to mapid_global.
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inherit_map(context, mapid_file);
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// NOTE(allen|a3.1): Children can override parent's bindings.
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bind(context, codes->right, MDFR_CTRL, cmdid_seek_alphanumeric_or_camel_right);
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bind(context, codes->left, MDFR_CTRL, cmdid_seek_alphanumeric_or_camel_left);
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// NOTE(allen|a3.2): Specific keys can override vanilla keys,
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// and write character writes whichever character corresponds
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// to the key that triggered the command.
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bind(context, '\n', MDFR_NONE, write_and_auto_tab);
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bind(context, '}', MDFR_NONE, write_and_auto_tab);
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bind(context, ')', MDFR_NONE, write_and_auto_tab);
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bind(context, ']', MDFR_NONE, write_and_auto_tab);
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bind(context, ';', MDFR_NONE, write_and_auto_tab);
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bind(context, '#', MDFR_NONE, write_and_auto_tab);
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bind(context, '\t', MDFR_NONE, cmdid_word_complete);
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bind(context, '\t', MDFR_CTRL, cmdid_auto_tab_range);
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bind(context, '\t', MDFR_SHIFT, cmdid_auto_tab_line_at_cursor);
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bind(context, '\n', MDFR_SHIFT, write_and_auto_tab);
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bind(context, ' ', MDFR_SHIFT, cmdid_write_character);
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end_map(context);
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begin_map(context, mapid_file);
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// NOTE(allen|a3.1): Binding this essentially binds all key combos that
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// would normally insert a character into a buffer.
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// Or apply this rule (which always works): if the code for the key
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// is not in the codes struct, it is a vanilla key.
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// It is possible to override this binding for individual keys.
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bind_vanilla_keys(context, cmdid_write_character);
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bind(context, codes->left, MDFR_NONE, cmdid_move_left);
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bind(context, codes->right, MDFR_NONE, cmdid_move_right);
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bind(context, codes->del, MDFR_NONE, cmdid_delete);
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bind(context, codes->back, MDFR_NONE, cmdid_backspace);
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bind(context, codes->up, MDFR_NONE, cmdid_move_up);
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bind(context, codes->down, MDFR_NONE, cmdid_move_down);
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bind(context, codes->end, MDFR_NONE, cmdid_seek_end_of_line);
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bind(context, codes->home, MDFR_NONE, cmdid_seek_beginning_of_line);
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bind(context, codes->page_up, MDFR_NONE, cmdid_page_up);
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bind(context, codes->page_down, MDFR_NONE, cmdid_page_down);
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bind(context, codes->right, MDFR_CTRL, cmdid_seek_whitespace_right);
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bind(context, codes->left, MDFR_CTRL, cmdid_seek_whitespace_left);
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bind(context, codes->up, MDFR_CTRL, cmdid_seek_whitespace_up);
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bind(context, codes->down, MDFR_CTRL, cmdid_seek_whitespace_down);
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bind(context, ' ', MDFR_CTRL, cmdid_set_mark);
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bind(context, 'm', MDFR_CTRL, cmdid_cursor_mark_swap);
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bind(context, 'c', MDFR_CTRL, cmdid_copy);
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bind(context, 'x', MDFR_CTRL, cmdid_cut);
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bind(context, 'v', MDFR_CTRL, cmdid_paste);
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bind(context, 'V', MDFR_CTRL, cmdid_paste_next);
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bind(context, 'Z', MDFR_CTRL, cmdid_timeline_scrub);
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bind(context, 'z', MDFR_CTRL, cmdid_undo);
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bind(context, 'y', MDFR_CTRL, cmdid_redo);
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bind(context, codes->left, MDFR_ALT, cmdid_increase_rewind_speed);
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bind(context, codes->right, MDFR_ALT, cmdid_increase_fastforward_speed);
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bind(context, codes->down, MDFR_ALT, cmdid_stop_rewind_fastforward);
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bind(context, 'h', MDFR_CTRL, cmdid_history_backward);
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bind(context, 'H', MDFR_CTRL, cmdid_history_forward);
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bind(context, 'd', MDFR_CTRL, cmdid_delete_range);
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bind(context, 'l', MDFR_CTRL, cmdid_toggle_line_wrap);
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bind(context, 'L', MDFR_CTRL, cmdid_toggle_endline_mode);
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bind(context, 'u', MDFR_CTRL, cmdid_to_uppercase);
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bind(context, 'j', MDFR_CTRL, cmdid_to_lowercase);
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bind(context, '?', MDFR_CTRL, cmdid_toggle_show_whitespace);
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bind(context, '~', MDFR_CTRL, cmdid_clean_all_lines);
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bind(context, '1', MDFR_CTRL, cmdid_eol_dosify);
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bind(context, '!', MDFR_CTRL, cmdid_eol_nixify);
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bind(context, 'f', MDFR_CTRL, cmdid_search);
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bind(context, 'r', MDFR_CTRL, cmdid_rsearch);
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bind(context, 'g', MDFR_CTRL, cmdid_goto_line);
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bind(context, 'K', MDFR_CTRL, cmdid_kill_buffer);
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bind(context, 'O', MDFR_CTRL, cmdid_reopen);
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bind(context, 'w', MDFR_CTRL, cmdid_interactive_save_as);
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bind(context, 's', MDFR_CTRL, cmdid_save);
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end_map(context);
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end_bind_helper(context);
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return context->write_total;
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}
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